41 files changed, 27600 insertions, 0 deletions

diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
new file mode 100644
index 000000000000..74d23cfce2a3
--- /dev/null
+++ b/drivers/i2c/chips/Kconfig
@@ -0,0 +1,443 @@
+#
+# I2C Sensor device configuration
+#
+
+menu "Hardware Sensors Chip support"
+        depends on I2C
+
+config I2C_SENSOR
+        tristate
+        default n
+
+config SENSORS_ADM1021
+        tristate "Analog Devices ADM1021 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Analog Devices ADM1021 
+          and ADM1023 sensor chips and clones: Maxim MAX1617 and MAX1617A,
+          Genesys Logic GL523SM, National Semiconductor LM84, TI THMC10,
+          and the XEON processor built-in sensor.
+
+          This driver can also be built as a module.  If so, the module
+          will be called adm1021.
+
+config SENSORS_ADM1025
+        tristate "Analog Devices ADM1025 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Analog Devices ADM1025
+          and Philips NE1619 sensor chips.
+          This driver can also be built as a module.  If so, the module
+          will be called adm1025.
+
+config SENSORS_ADM1026
+        tristate "Analog Devices ADM1026 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Analog Devices ADM1026
+          This driver can also be built as a module.  If so, the module
+          will be called adm1026.
+
+config SENSORS_ADM1031
+        tristate "Analog Devices ADM1031 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Analog Devices ADM1031 
+          and ADM1030 sensor chips.
+          This driver can also be built as a module.  If so, the module
+          will be called adm1031.
+
+config SENSORS_ASB100
+        tristate "Asus ASB100 Bach"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for the ASB100 Bach sensor
+          chip found on some Asus mainboards.
+
+          This driver can also be built as a module.  If so, the module
+          will be called asb100.
+
+config SENSORS_DS1621
+        tristate "Dallas Semiconductor DS1621 and DS1625"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Dallas Semiconductor
+          DS1621 and DS1625 sensor chips. 
+
+          This driver can also be built as a module.  If so, the module
+          will be called ds1621.
+
+config SENSORS_FSCHER
+        tristate "FSC Hermes"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Fujitsu Siemens
+          Computers Hermes sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called fscher.
+
+config SENSORS_FSCPOS
+        tristate "FSC Poseidon"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Fujitsu Siemens
+          Computers Poseidon sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called fscpos.
+
+config SENSORS_GL518SM
+        tristate "Genesys Logic GL518SM"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Genesys Logic GL518SM
+          sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called gl518sm.
+
+config SENSORS_GL520SM
+        tristate "Genesys Logic GL520SM"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Genesys Logic GL520SM
+          sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called gl520sm.
+
+config SENSORS_IT87
+        tristate "ITE IT87xx and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for ITE IT87xx sensor chips
+          and clones: SiS960.
+
+          This driver can also be built as a module.  If so, the module
+          will be called it87.
+
+config SENSORS_LM63
+        tristate "National Semiconductor LM63"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for the National Semiconductor
+          LM63 remote diode digital temperature sensor with integrated fan
+          control.  Such chips are found on the Tyan S4882 (Thunder K8QS Pro)
+          motherboard, among others.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm63.
+
+config SENSORS_LM75
+        tristate "National Semiconductor LM75 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM75
+          sensor chips and clones: Dallas Semiconductor DS75 and DS1775 (in
+          9-bit precision mode), and TelCom (now Microchip) TCN75.
+
+          The DS75 and DS1775 in 10- to 12-bit precision modes will require
+          a force module parameter. The driver will not handle the extra
+          precision anyhow.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm75.
+
+config SENSORS_LM77
+        tristate "National Semiconductor LM77"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM77
+          sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm77.
+
+config SENSORS_LM78
+        tristate "National Semiconductor LM78 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM78,
+          LM78-J and LM79.  This can also be built as a module which can be
+          inserted and removed while the kernel is running.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm78.
+
+config SENSORS_LM80
+        tristate "National Semiconductor LM80"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor
+          LM80 sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm80.
+
+config SENSORS_LM83
+        tristate "National Semiconductor LM83"
+        depends on I2C
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor
+          LM83 sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm83.
+
+config SENSORS_LM85
+        tristate "National Semiconductor LM85 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM85
+          sensor chips and clones: ADT7463 and ADM1027.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm85.
+
+config SENSORS_LM87
+        tristate "National Semiconductor LM87"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM87
+          sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm87.
+
+config SENSORS_LM90
+        tristate "National Semiconductor LM90 and compatibles"
+        depends on I2C
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM90,
+          LM86, LM89 and LM99, Analog Devices ADM1032 and Maxim MAX6657 and
+          MAX6658 sensor chips.
+
+          The Analog Devices ADT7461 sensor chip is also supported, but only
+          if found in ADM1032 compatibility mode.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm90.
+
+config SENSORS_LM92
+        tristate "National Semiconductor LM92 and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for National Semiconductor LM92
+          and Maxim MAX6635 sensor chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called lm92.
+
+config SENSORS_MAX1619
+        tristate "Maxim MAX1619 sensor chip"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for MAX1619 sensor chip.
+          
+          This driver can also be built as a module.  If so, the module
+          will be called max1619.
+
+config SENSORS_PC87360
+        tristate "National Semiconductor PC87360 family"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get access to the hardware monitoring
+          functions of the National Semiconductor PC8736x Super-I/O chips.
+          The PC87360, PC87363 and PC87364 only have fan monitoring and
+          control.  The PC87365 and PC87366 additionally have voltage and
+          temperature monitoring.
+
+          This driver can also be built as a module.  If so, the module
+          will be called pc87360.
+
+config SENSORS_SMSC47B397
+        tristate "SMSC LPC47B397-NC"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get support for the SMSC LPC47B397-NC
+          sensor chip.
+
+          This driver can also be built as a module.  If so, the module
+          will be called smsc47b397.
+
+config SENSORS_SIS5595
+        tristate "Silicon Integrated Systems Corp. SiS5595"
+        depends on I2C && PCI && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get support for the integrated sensors in
+          SiS5595 South Bridges.
+
+          This driver can also be built as a module.  If so, the module
+          will be called sis5595.
+
+config SENSORS_SMSC47M1
+        tristate "SMSC LPC47M10x and compatibles"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get support for the integrated fan
+          monitoring and control capabilities of the SMSC LPC47B27x,
+          LPC47M10x, LPC47M13x and LPC47M14x chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called smsc47m1.
+
+config SENSORS_VIA686A
+        tristate "VIA686A"
+        depends on I2C && PCI && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get support for the integrated sensors in
+          Via 686A/B South Bridges.
+
+          This driver can also be built as a module.  If so, the module
+          will be called via686a.
+
+config SENSORS_W83781D
+        tristate "Winbond W83781D, W83782D, W83783S, W83627HF, Asus AS99127F"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for the Winbond W8378x series
+          of sensor chips: the W83781D, W83782D, W83783S and W83627HF,
+          and the similar Asus AS99127F.
+          
+          This driver can also be built as a module.  If so, the module
+          will be called w83781d.
+
+config SENSORS_W83L785TS
+        tristate "Winbond W83L785TS-S"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for the Winbond W83L785TS-S
+          sensor chip, which is used on the Asus A7N8X, among other
+          motherboards.
+          
+          This driver can also be built as a module.  If so, the module
+          will be called w83l785ts.
+
+config SENSORS_W83627HF
+        tristate "Winbond W83627HF, W83627THF, W83637HF, W83697HF"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        select I2C_ISA
+        help
+          If you say yes here you get support for the Winbond W836X7 series
+          of sensor chips: the W83627HF, W83627THF, W83637HF, and the W83697HF
+
+          This driver can also be built as a module.  If so, the module
+          will be called w83627hf.
+
+endmenu
+
+menu "Other I2C Chip support"
+        depends on I2C
+
+config SENSORS_DS1337
+        tristate "Dallas Semiconductor DS1337 Real Time Clock"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Dallas Semiconductor
+          DS1337 real-time clock chips. 
+
+          This driver can also be built as a module.  If so, the module
+          will be called ds1337.
+
+config SENSORS_EEPROM
+        tristate "EEPROM reader"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get read-only access to the EEPROM data
+          available on modern memory DIMMs and Sony Vaio laptops.  Such
+          EEPROMs could theoretically be available on other devices as well.
+
+          This driver can also be built as a module.  If so, the module
+          will be called eeprom.
+
+config SENSORS_PCF8574
+        tristate "Philips PCF8574 and PCF8574A"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Philips PCF8574 and 
+          PCF8574A chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called pcf8574.
+
+config SENSORS_PCF8591
+        tristate "Philips PCF8591"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for Philips PCF8591 chips.
+
+          This driver can also be built as a module.  If so, the module
+          will be called pcf8591.
+
+config SENSORS_RTC8564
+        tristate "Epson 8564 RTC chip"
+        depends on I2C && EXPERIMENTAL
+        select I2C_SENSOR
+        help
+          If you say yes here you get support for the Epson 8564 RTC chip.
+
+          This driver can also be built as a module.  If so, the module
+          will be called i2c-rtc8564.
+
+config ISP1301_OMAP
+        tristate "Philips ISP1301 with OMAP OTG"
+        depends on I2C && ARCH_OMAP_OTG
+        help
+          If you say yes here you get support for the Philips ISP1301
+          USB-On-The-Go transceiver working with the OMAP OTG controller.
+          The ISP1301 is used in products including H2 and H3 development
+          boards for Texas Instruments OMAP processors.
+          
+          This driver can also be built as a module.  If so, the module
+          will be called isp1301_omap.
+
+config SENSORS_M41T00
+        tristate "ST M41T00 RTC chip"
+        depends on I2C && PPC32
+        help
+          If you say yes here you get support for the ST M41T00 RTC chip.
+
+          This driver can also be built as a module.  If so, the module
+          will be called m41t00.
+
+endmenu
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
new file mode 100644
index 000000000000..65599161a172
--- /dev/null
+++ b/drivers/i2c/chips/Makefile
@@ -0,0 +1,48 @@
+#
+# Makefile for the kernel hardware sensors chip drivers.
+#
+
+# asb100, then w83781d go first, as they can override other drivers' addresses.
+obj-$(CONFIG_SENSORS_ASB100)    += asb100.o
+obj-$(CONFIG_SENSORS_W83627HF)  += w83627hf.o
+obj-$(CONFIG_SENSORS_W83781D)   += w83781d.o
+
+obj-$(CONFIG_SENSORS_ADM1021)   += adm1021.o
+obj-$(CONFIG_SENSORS_ADM1025)   += adm1025.o
+obj-$(CONFIG_SENSORS_ADM1026)   += adm1026.o
+obj-$(CONFIG_SENSORS_ADM1031)   += adm1031.o
+obj-$(CONFIG_SENSORS_DS1337)    += ds1337.o
+obj-$(CONFIG_SENSORS_DS1621)    += ds1621.o
+obj-$(CONFIG_SENSORS_EEPROM)    += eeprom.o
+obj-$(CONFIG_SENSORS_FSCHER)    += fscher.o
+obj-$(CONFIG_SENSORS_FSCPOS)    += fscpos.o
+obj-$(CONFIG_SENSORS_GL518SM)   += gl518sm.o
+obj-$(CONFIG_SENSORS_GL520SM)   += gl520sm.o
+obj-$(CONFIG_SENSORS_IT87)      += it87.o
+obj-$(CONFIG_SENSORS_LM63)      += lm63.o
+obj-$(CONFIG_SENSORS_LM75)      += lm75.o
+obj-$(CONFIG_SENSORS_LM77)      += lm77.o
+obj-$(CONFIG_SENSORS_LM78)      += lm78.o
+obj-$(CONFIG_SENSORS_LM80)      += lm80.o
+obj-$(CONFIG_SENSORS_LM83)      += lm83.o
+obj-$(CONFIG_SENSORS_LM85)      += lm85.o
+obj-$(CONFIG_SENSORS_LM87)      += lm87.o
+obj-$(CONFIG_SENSORS_LM90)      += lm90.o
+obj-$(CONFIG_SENSORS_LM92)      += lm92.o
+obj-$(CONFIG_SENSORS_MAX1619)   += max1619.o
+obj-$(CONFIG_SENSORS_M41T00)    += m41t00.o
+obj-$(CONFIG_SENSORS_PC87360)   += pc87360.o
+obj-$(CONFIG_SENSORS_PCF8574)   += pcf8574.o
+obj-$(CONFIG_SENSORS_PCF8591)   += pcf8591.o
+obj-$(CONFIG_SENSORS_RTC8564)   += rtc8564.o
+obj-$(CONFIG_SENSORS_SIS5595)   += sis5595.o
+obj-$(CONFIG_SENSORS_SMSC47B397)+= smsc47b397.o
+obj-$(CONFIG_SENSORS_SMSC47M1)  += smsc47m1.o
+obj-$(CONFIG_SENSORS_VIA686A)   += via686a.o
+obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o
+obj-$(CONFIG_ISP1301_OMAP)      += isp1301_omap.o
+
+ifeq ($(CONFIG_I2C_DEBUG_CHIP),y)
+EXTRA_CFLAGS += -DDEBUG
+endif
+
diff --git a/drivers/i2c/chips/adm1021.c b/drivers/i2c/chips/adm1021.c
new file mode 100644
index 000000000000..9c59a370b6d9
--- /dev/null
+++ b/drivers/i2c/chips/adm1021.c
@@ -0,0 +1,411 @@
+/*
+    adm1021.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> and
+    Philip Edelbrock <phil@netroedge.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+                                        0x29, 0x2a, 0x2b,
+                                        0x4c, 0x4d, 0x4e, 
+                                        I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_8(adm1021, adm1023, max1617, max1617a, thmc10, lm84, gl523sm, mc1066);
+
+/* adm1021 constants specified below */
+
+/* The adm1021 registers */
+/* Read-only */
+#define ADM1021_REG_TEMP                0x00
+#define ADM1021_REG_REMOTE_TEMP         0x01
+#define ADM1021_REG_STATUS              0x02
+#define ADM1021_REG_MAN_ID              0x0FE   /* 0x41 = AMD, 0x49 = TI, 0x4D = Maxim, 0x23 = Genesys , 0x54 = Onsemi*/
+#define ADM1021_REG_DEV_ID              0x0FF   /* ADM1021 = 0x0X, ADM1023 = 0x3X */
+#define ADM1021_REG_DIE_CODE            0x0FF   /* MAX1617A */
+/* These use different addresses for reading/writing */
+#define ADM1021_REG_CONFIG_R            0x03
+#define ADM1021_REG_CONFIG_W            0x09
+#define ADM1021_REG_CONV_RATE_R         0x04
+#define ADM1021_REG_CONV_RATE_W         0x0A
+/* These are for the ADM1023's additional precision on the remote temp sensor */
+#define ADM1021_REG_REM_TEMP_PREC       0x010
+#define ADM1021_REG_REM_OFFSET          0x011
+#define ADM1021_REG_REM_OFFSET_PREC     0x012
+#define ADM1021_REG_REM_TOS_PREC        0x013
+#define ADM1021_REG_REM_THYST_PREC      0x014
+/* limits */
+#define ADM1021_REG_TOS_R               0x05
+#define ADM1021_REG_TOS_W               0x0B
+#define ADM1021_REG_REMOTE_TOS_R        0x07
+#define ADM1021_REG_REMOTE_TOS_W        0x0D
+#define ADM1021_REG_THYST_R             0x06
+#define ADM1021_REG_THYST_W             0x0C
+#define ADM1021_REG_REMOTE_THYST_R      0x08
+#define ADM1021_REG_REMOTE_THYST_W      0x0E
+/* write-only */
+#define ADM1021_REG_ONESHOT             0x0F
+
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+   Fixing this is just not worth it. */
+/* Conversions  note: 1021 uses normal integer signed-byte format*/
+#define TEMP_FROM_REG(val)      (val > 127 ? (val-256)*1000 : val*1000)
+#define TEMP_TO_REG(val)        (SENSORS_LIMIT((val < 0 ? (val/1000)+256 : val/1000),0,255))
+
+/* Initial values */
+
+/* Note: Even though I left the low and high limits named os and hyst, 
+they don't quite work like a thermostat the way the LM75 does.  I.e., 
+a lower temp than THYST actually triggers an alarm instead of 
+clearing it.  Weird, ey?   --Phil  */
+
+/* Each client has this additional data */
+struct adm1021_data {
+        struct i2c_client client;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8      temp_max;       /* Register values */
+        u8      temp_hyst;
+        u8      temp_input;
+        u8      remote_temp_max;
+        u8      remote_temp_hyst;
+        u8      remote_temp_input;
+        u8      alarms;
+        /* special values for ADM1021 only */
+        u8      die_code;
+        /* Special values for ADM1023 only */
+        u8      remote_temp_prec;
+        u8      remote_temp_os_prec;
+        u8      remote_temp_hyst_prec;
+        u8      remote_temp_offset;
+        u8      remote_temp_offset_prec;
+};
+
+static int adm1021_attach_adapter(struct i2c_adapter *adapter);
+static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind);
+static void adm1021_init_client(struct i2c_client *client);
+static int adm1021_detach_client(struct i2c_client *client);
+static int adm1021_read_value(struct i2c_client *client, u8 reg);
+static int adm1021_write_value(struct i2c_client *client, u8 reg,
+                               u16 value);
+static struct adm1021_data *adm1021_update_device(struct device *dev);
+
+/* (amalysh) read only mode, otherwise any limit's writing confuse BIOS */
+static int read_only = 0;
+
+
+/* This is the driver that will be inserted */
+static struct i2c_driver adm1021_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "adm1021",
+        .id             = I2C_DRIVERID_ADM1021,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = adm1021_attach_adapter,
+        .detach_client  = adm1021_detach_client,
+};
+
+#define show(value)     \
+static ssize_t show_##value(struct device *dev, char *buf)              \
+{                                                                       \
+        struct adm1021_data *data = adm1021_update_device(dev);         \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value));        \
+}
+show(temp_max);
+show(temp_hyst);
+show(temp_input);
+show(remote_temp_max);
+show(remote_temp_hyst);
+show(remote_temp_input);
+
+#define show2(value)    \
+static ssize_t show_##value(struct device *dev, char *buf)              \
+{                                                                       \
+        struct adm1021_data *data = adm1021_update_device(dev);         \
+        return sprintf(buf, "%d\n", data->value);                       \
+}
+show2(alarms);
+show2(die_code);
+
+#define set(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, size_t count)   \
+{                                                               \
+        struct i2c_client *client = to_i2c_client(dev);         \
+        struct adm1021_data *data = i2c_get_clientdata(client); \
+        int temp = simple_strtoul(buf, NULL, 10);               \
+                                                                \
+        down(&data->update_lock);                               \
+        data->value = TEMP_TO_REG(temp);                        \
+        adm1021_write_value(client, reg, data->value);          \
+        up(&data->update_lock);                                 \
+        return count;                                           \
+}
+set(temp_max, ADM1021_REG_TOS_W);
+set(temp_hyst, ADM1021_REG_THYST_W);
+set(remote_temp_max, ADM1021_REG_REMOTE_TOS_W);
+set(remote_temp_hyst, ADM1021_REG_REMOTE_THYST_W);
+
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_hyst, set_temp_hyst);
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_remote_temp_max, set_remote_temp_max);
+static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_remote_temp_hyst, set_remote_temp_hyst);
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_remote_temp_input, NULL);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static DEVICE_ATTR(die_code, S_IRUGO, show_die_code, NULL);
+
+
+static int adm1021_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, adm1021_detect);
+}
+
+static int adm1021_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i;
+        struct i2c_client *new_client;
+        struct adm1021_data *data;
+        int err = 0;
+        const char *type_name = "";
+
+        /* Make sure we aren't probing the ISA bus!! This is just a safety check
+           at this moment; i2c_detect really won't call us. */
+#ifdef DEBUG
+        if (i2c_is_isa_adapter(adapter)) {
+                dev_dbg(&adapter->dev, "adm1021_detect called for an ISA bus adapter?!?\n");
+                return 0;
+        }
+#endif
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto error0;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access adm1021_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct adm1021_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto error0;
+        }
+        memset(data, 0, sizeof(struct adm1021_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &adm1021_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+        if (kind < 0) {
+                if ((adm1021_read_value(new_client, ADM1021_REG_STATUS) & 0x03) != 0x00
+                 || (adm1021_read_value(new_client, ADM1021_REG_CONFIG_R) & 0x3F) != 0x00
+                 || (adm1021_read_value(new_client, ADM1021_REG_CONV_RATE_R) & 0xF8) != 0x00) {
+                        err = -ENODEV;
+                        goto error1;
+                }
+        }
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                i = adm1021_read_value(new_client, ADM1021_REG_MAN_ID);
+                if (i == 0x41)
+                        if ((adm1021_read_value(new_client, ADM1021_REG_DEV_ID) & 0x0F0) == 0x030)
+                                kind = adm1023;
+                        else
+                                kind = adm1021;
+                else if (i == 0x49)
+                        kind = thmc10;
+                else if (i == 0x23)
+                        kind = gl523sm;
+                else if ((i == 0x4d) &&
+                         (adm1021_read_value(new_client, ADM1021_REG_DEV_ID) == 0x01))
+                        kind = max1617a;
+                else if (i == 0x54)
+                        kind = mc1066;
+                /* LM84 Mfr ID in a different place, and it has more unused bits */
+                else if (adm1021_read_value(new_client, ADM1021_REG_CONV_RATE_R) == 0x00
+                      && (kind == 0 /* skip extra detection */
+                       || ((adm1021_read_value(new_client, ADM1021_REG_CONFIG_R) & 0x7F) == 0x00
+                        && (adm1021_read_value(new_client, ADM1021_REG_STATUS) & 0xAB) == 0x00)))
+                        kind = lm84;
+                else
+                        kind = max1617;
+        }
+
+        if (kind == max1617) {
+                type_name = "max1617";
+        } else if (kind == max1617a) {
+                type_name = "max1617a";
+        } else if (kind == adm1021) {
+                type_name = "adm1021";
+        } else if (kind == adm1023) {
+                type_name = "adm1023";
+        } else if (kind == thmc10) {
+                type_name = "thmc10";
+        } else if (kind == lm84) {
+                type_name = "lm84";
+        } else if (kind == gl523sm) {
+                type_name = "gl523sm";
+        } else if (kind == mc1066) {
+                type_name = "mc1066";
+        }
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto error1;
+
+        /* Initialize the ADM1021 chip */
+        if (kind != lm84)
+                adm1021_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        if (data->type == adm1021)
+                device_create_file(&new_client->dev, &dev_attr_die_code);
+
+        return 0;
+
+error1:
+        kfree(data);
+error0:
+        return err;
+}
+
+static void adm1021_init_client(struct i2c_client *client)
+{
+        /* Enable ADC and disable suspend mode */
+        adm1021_write_value(client, ADM1021_REG_CONFIG_W,
+                adm1021_read_value(client, ADM1021_REG_CONFIG_R) & 0xBF);
+        /* Set Conversion rate to 1/sec (this can be tinkered with) */
+        adm1021_write_value(client, ADM1021_REG_CONV_RATE_W, 0x04);
+}
+
+static int adm1021_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+/* All registers are byte-sized */
+static int adm1021_read_value(struct i2c_client *client, u8 reg)
+{
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int adm1021_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if (!read_only)
+                return i2c_smbus_write_byte_data(client, reg, value);
+        return 0;
+}
+
+static struct adm1021_data *adm1021_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1021_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                dev_dbg(&client->dev, "Starting adm1021 update\n");
+
+                data->temp_input = adm1021_read_value(client, ADM1021_REG_TEMP);
+                data->temp_max = adm1021_read_value(client, ADM1021_REG_TOS_R);
+                data->temp_hyst = adm1021_read_value(client, ADM1021_REG_THYST_R);
+                data->remote_temp_input = adm1021_read_value(client, ADM1021_REG_REMOTE_TEMP);
+                data->remote_temp_max = adm1021_read_value(client, ADM1021_REG_REMOTE_TOS_R);
+                data->remote_temp_hyst = adm1021_read_value(client, ADM1021_REG_REMOTE_THYST_R);
+                data->alarms = adm1021_read_value(client, ADM1021_REG_STATUS) & 0x7c;
+                if (data->type == adm1021)
+                        data->die_code = adm1021_read_value(client, ADM1021_REG_DIE_CODE);
+                if (data->type == adm1023) {
+                        data->remote_temp_prec = adm1021_read_value(client, ADM1021_REG_REM_TEMP_PREC);
+                        data->remote_temp_os_prec = adm1021_read_value(client, ADM1021_REG_REM_TOS_PREC);
+                        data->remote_temp_hyst_prec = adm1021_read_value(client, ADM1021_REG_REM_THYST_PREC);
+                        data->remote_temp_offset = adm1021_read_value(client, ADM1021_REG_REM_OFFSET);
+                        data->remote_temp_offset_prec = adm1021_read_value(client, ADM1021_REG_REM_OFFSET_PREC);
+                }
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_adm1021_init(void)
+{
+        return i2c_add_driver(&adm1021_driver);
+}
+
+static void __exit sensors_adm1021_exit(void)
+{
+        i2c_del_driver(&adm1021_driver);
+}
+
+MODULE_AUTHOR ("Frodo Looijaard <frodol@dds.nl> and "
+                "Philip Edelbrock <phil@netroedge.com>");
+MODULE_DESCRIPTION("adm1021 driver");
+MODULE_LICENSE("GPL");
+
+module_param(read_only, bool, 0);
+MODULE_PARM_DESC(read_only, "Don't set any values, read only mode");
+
+module_init(sensors_adm1021_init)
+module_exit(sensors_adm1021_exit)
diff --git a/drivers/i2c/chips/adm1025.c b/drivers/i2c/chips/adm1025.c
new file mode 100644
index 000000000000..e0771a3d05c9
--- /dev/null
+++ b/drivers/i2c/chips/adm1025.c
@@ -0,0 +1,574 @@
+/*
+ * adm1025.c
+ *
+ * Copyright (C) 2000       Chen-Yuan Wu <gwu@esoft.com>
+ * Copyright (C) 2003-2004  Jean Delvare <khali@linux-fr.org>
+ *
+ * The ADM1025 is a sensor chip made by Analog Devices. It reports up to 6
+ * voltages (including its own power source) and up to two temperatures
+ * (its own plus up to one external one). Voltages are scaled internally
+ * (which is not the common way) with ratios such that the nominal value
+ * of each voltage correspond to a register value of 192 (which means a
+ * resolution of about 0.5% of the nominal value). Temperature values are
+ * reported with a 1 deg resolution and a 3 deg accuracy. Complete
+ * datasheet can be obtained from Analog's website at:
+ *   http://www.analog.com/Analog_Root/productPage/productHome/0,2121,ADM1025,00.html
+ *
+ * This driver also supports the ADM1025A, which differs from the ADM1025
+ * only in that it has "open-drain VID inputs while the ADM1025 has
+ * on-chip 100k pull-ups on the VID inputs". It doesn't make any
+ * difference for us.
+ *
+ * This driver also supports the NE1619, a sensor chip made by Philips.
+ * That chip is similar to the ADM1025A, with a few differences. The only
+ * difference that matters to us is that the NE1619 has only two possible
+ * addresses while the ADM1025A has a third one. Complete datasheet can be
+ * obtained from Philips's website at:
+ *   http://www.semiconductors.philips.com/pip/NE1619DS.html
+ *
+ * Since the ADM1025 was the first chipset supported by this driver, most
+ * comments will refer to this chipset, but are actually general and
+ * concern all supported chipsets, unless mentioned otherwise.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+
+/*
+ * Addresses to scan
+ * ADM1025 and ADM1025A have three possible addresses: 0x2c, 0x2d and 0x2e.
+ * NE1619 has two possible addresses: 0x2c and 0x2d.
+ */
+
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_2(adm1025, ne1619);
+
+/*
+ * The ADM1025 registers
+ */
+
+#define ADM1025_REG_MAN_ID              0x3E
+#define ADM1025_REG_CHIP_ID             0x3F
+#define ADM1025_REG_CONFIG              0x40
+#define ADM1025_REG_STATUS1             0x41
+#define ADM1025_REG_STATUS2             0x42
+#define ADM1025_REG_IN(nr)              (0x20 + (nr))
+#define ADM1025_REG_IN_MAX(nr)          (0x2B + (nr) * 2)
+#define ADM1025_REG_IN_MIN(nr)          (0x2C + (nr) * 2)
+#define ADM1025_REG_TEMP(nr)            (0x26 + (nr))
+#define ADM1025_REG_TEMP_HIGH(nr)       (0x37 + (nr) * 2)
+#define ADM1025_REG_TEMP_LOW(nr)        (0x38 + (nr) * 2)
+#define ADM1025_REG_VID                 0x47
+#define ADM1025_REG_VID4                0x49
+
+/*
+ * Conversions and various macros
+ * The ADM1025 uses signed 8-bit values for temperatures.
+ */
+
+static int in_scale[6] = { 2500, 2250, 3300, 5000, 12000, 3300 };
+
+#define IN_FROM_REG(reg,scale)  (((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val,scale)    ((val) <= 0 ? 0 : \
+                                 (val) * 192 >= (scale) * 255 ? 255 : \
+                                 ((val) * 192 + (scale)/2) / (scale))
+
+#define TEMP_FROM_REG(reg)      ((reg) * 1000)
+#define TEMP_TO_REG(val)        ((val) <= -127500 ? -128 : \
+                                 (val) >= 126500 ? 127 : \
+                                 (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+
+/*
+ * Functions declaration
+ */
+
+static int adm1025_attach_adapter(struct i2c_adapter *adapter);
+static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind);
+static void adm1025_init_client(struct i2c_client *client);
+static int adm1025_detach_client(struct i2c_client *client);
+static struct adm1025_data *adm1025_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver adm1025_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "adm1025",
+        .id             = I2C_DRIVERID_ADM1025,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = adm1025_attach_adapter,
+        .detach_client  = adm1025_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct adm1025_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        u8 in[6];               /* register value */
+        u8 in_max[6];           /* register value */
+        u8 in_min[6];           /* register value */
+        s8 temp[2];             /* register value */
+        s8 temp_min[2];         /* register value */
+        s8 temp_max[2];         /* register value */
+        u16 alarms;             /* register values, combined */
+        u8 vid;                 /* register values, combined */
+        u8 vrm;
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show_in(offset) \
+static ssize_t show_in##offset(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
+                       in_scale[offset])); \
+} \
+static ssize_t show_in##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
+                       in_scale[offset])); \
+} \
+static ssize_t show_in##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
+                       in_scale[offset])); \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);
+show_in(0);
+show_in(1);
+show_in(2);
+show_in(3);
+show_in(4);
+show_in(5);
+
+#define show_temp(offset) \
+static ssize_t show_temp##offset(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
+} \
+static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
+} \
+static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct adm1025_data *data = adm1025_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
+}\
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp##offset, NULL);
+show_temp(1);
+show_temp(2);
+
+#define set_in(offset) \
+static ssize_t set_in##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct adm1025_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_min[offset] = IN_TO_REG(val, in_scale[offset]); \
+        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MIN(offset), \
+                                  data->in_min[offset]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_in##offset##_max(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct adm1025_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_max[offset] = IN_TO_REG(val, in_scale[offset]); \
+        i2c_smbus_write_byte_data(client, ADM1025_REG_IN_MAX(offset), \
+                                  data->in_max[offset]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
+        show_in##offset##_min, set_in##offset##_min); \
+static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
+        show_in##offset##_max, set_in##offset##_max);
+set_in(0);
+set_in(1);
+set_in(2);
+set_in(3);
+set_in(4);
+set_in(5);
+
+#define set_temp(offset) \
+static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct adm1025_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->temp_min[offset-1] = TEMP_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_LOW(offset-1), \
+                                  data->temp_min[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct adm1025_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->temp_max[offset-1] = TEMP_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, ADM1025_REG_TEMP_HIGH(offset-1), \
+                                  data->temp_max[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_min, set_temp##offset##_min); \
+static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_max, set_temp##offset##_max);
+set_temp(1);
+set_temp(2);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", data->alarms);
+}
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+static ssize_t show_vid(struct device *dev, char *buf)
+{
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(in1_ref, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, char *buf)
+{
+        struct adm1025_data *data = adm1025_update_device(dev);
+        return sprintf(buf, "%u\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        data->vrm = simple_strtoul(buf, NULL, 10);
+        return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+/*
+ * Real code
+ */
+
+static int adm1025_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, adm1025_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int adm1025_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct adm1025_data *data;
+        int err = 0;
+        const char *name = "";
+        u8 config;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct adm1025_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct adm1025_data));
+
+        /* The common I2C client data is placed right before the
+           ADM1025-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &adm1025_driver;
+        new_client->flags = 0;
+
+        /*
+         * Now we do the remaining detection. A negative kind means that
+         * the driver was loaded with no force parameter (default), so we
+         * must both detect and identify the chip. A zero kind means that
+         * the driver was loaded with the force parameter, the detection
+         * step shall be skipped. A positive kind means that the driver
+         * was loaded with the force parameter and a given kind of chip is
+         * requested, so both the detection and the identification steps
+         * are skipped.
+         */
+        config = i2c_smbus_read_byte_data(new_client, ADM1025_REG_CONFIG);
+        if (kind < 0) { /* detection */
+                if ((config & 0x80) != 0x00
+                 || (i2c_smbus_read_byte_data(new_client,
+                     ADM1025_REG_STATUS1) & 0xC0) != 0x00
+                 || (i2c_smbus_read_byte_data(new_client,
+                     ADM1025_REG_STATUS2) & 0xBC) != 0x00) {
+                        dev_dbg(&adapter->dev,
+                                "ADM1025 detection failed at 0x%02x.\n",
+                                address);
+                        goto exit_free;
+                }
+        }
+
+        if (kind <= 0) { /* identification */
+                u8 man_id, chip_id;
+
+                man_id = i2c_smbus_read_byte_data(new_client,
+                         ADM1025_REG_MAN_ID);
+                chip_id = i2c_smbus_read_byte_data(new_client,
+                          ADM1025_REG_CHIP_ID);
+                
+                if (man_id == 0x41) { /* Analog Devices */
+                        if ((chip_id & 0xF0) == 0x20) { /* ADM1025/ADM1025A */
+                                kind = adm1025;
+                        }
+                } else
+                if (man_id == 0xA1) { /* Philips */
+                        if (address != 0x2E
+                         && (chip_id & 0xF0) == 0x20) { /* NE1619 */
+                                kind = ne1619;
+                        }
+                }
+
+                if (kind <= 0) { /* identification failed */
+                        dev_info(&adapter->dev,
+                            "Unsupported chip (man_id=0x%02X, "
+                            "chip_id=0x%02X).\n", man_id, chip_id);
+                        goto exit_free;
+                }
+        }
+
+        if (kind == adm1025) {
+                name = "adm1025";
+        } else if (kind == ne1619) {
+                name = "ne1619";
+        }
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the ADM1025 chip */
+        adm1025_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in5_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in5_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in5_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_in1_ref);
+        device_create_file(&new_client->dev, &dev_attr_vrm);
+
+        /* Pin 11 is either in4 (+12V) or VID4 */
+        if (!(config & 0x20)) {
+                device_create_file(&new_client->dev, &dev_attr_in4_input);
+                device_create_file(&new_client->dev, &dev_attr_in4_min);
+                device_create_file(&new_client->dev, &dev_attr_in4_max);
+        }
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static void adm1025_init_client(struct i2c_client *client)
+{
+        u8 reg;
+        struct adm1025_data *data = i2c_get_clientdata(client);
+        int i;
+
+        data->vrm = i2c_which_vrm();
+
+        /*
+         * Set high limits
+         * Usually we avoid setting limits on driver init, but it happens
+         * that the ADM1025 comes with stupid default limits (all registers
+         * set to 0). In case the chip has not gone through any limit
+         * setting yet, we better set the high limits to the max so that
+         * no alarm triggers.
+         */
+        for (i=0; i<6; i++) {
+                reg = i2c_smbus_read_byte_data(client,
+                                               ADM1025_REG_IN_MAX(i));
+                if (reg == 0)
+                        i2c_smbus_write_byte_data(client,
+                                                  ADM1025_REG_IN_MAX(i),
+                                                  0xFF);
+        }
+        for (i=0; i<2; i++) {
+                reg = i2c_smbus_read_byte_data(client,
+                                               ADM1025_REG_TEMP_HIGH(i));
+                if (reg == 0)
+                        i2c_smbus_write_byte_data(client,
+                                                  ADM1025_REG_TEMP_HIGH(i),
+                                                  0x7F);
+        }
+
+        /*
+         * Start the conversions
+         */
+        reg = i2c_smbus_read_byte_data(client, ADM1025_REG_CONFIG);
+        if (!(reg & 0x01))
+                i2c_smbus_write_byte_data(client, ADM1025_REG_CONFIG,
+                                          (reg&0x7E)|0x01);
+}
+
+static int adm1025_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct adm1025_data *adm1025_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1025_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+                int i;
+
+                dev_dbg(&client->dev, "Updating data.\n");
+                for (i=0; i<6; i++) {
+                        data->in[i] = i2c_smbus_read_byte_data(client,
+                                      ADM1025_REG_IN(i));
+                        data->in_min[i] = i2c_smbus_read_byte_data(client,
+                                          ADM1025_REG_IN_MIN(i));
+                        data->in_max[i] = i2c_smbus_read_byte_data(client,
+                                          ADM1025_REG_IN_MAX(i));
+                }
+                for (i=0; i<2; i++) {
+                        data->temp[i] = i2c_smbus_read_byte_data(client,
+                                        ADM1025_REG_TEMP(i));
+                        data->temp_min[i] = i2c_smbus_read_byte_data(client,
+                                            ADM1025_REG_TEMP_LOW(i));
+                        data->temp_max[i] = i2c_smbus_read_byte_data(client,
+                                            ADM1025_REG_TEMP_HIGH(i));
+                }
+                data->alarms = i2c_smbus_read_byte_data(client,
+                               ADM1025_REG_STATUS1)
+                             | (i2c_smbus_read_byte_data(client,
+                                ADM1025_REG_STATUS2) << 8);
+                data->vid = (i2c_smbus_read_byte_data(client,
+                             ADM1025_REG_VID) & 0x0f)
+                          | ((i2c_smbus_read_byte_data(client,
+                              ADM1025_REG_VID4) & 0x01) << 4);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_adm1025_init(void)
+{
+        return i2c_add_driver(&adm1025_driver);
+}
+
+static void __exit sensors_adm1025_exit(void)
+{
+        i2c_del_driver(&adm1025_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("ADM1025 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_adm1025_init);
+module_exit(sensors_adm1025_exit);
diff --git a/drivers/i2c/chips/adm1026.c b/drivers/i2c/chips/adm1026.c
new file mode 100644
index 000000000000..39e2f4a900bf
--- /dev/null
+++ b/drivers/i2c/chips/adm1026.c
@@ -0,0 +1,1754 @@
+/*
+    adm1026.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (C) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
+    Copyright (C) 2004 Justin Thiessen <jthiessen@penguincomputing.com>
+
+    Chip details at:
+
+    <http://www.analog.com/UploadedFiles/Data_Sheets/779263102ADM1026_a.pdf>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(adm1026);
+
+static int gpio_input[17]  = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
+                                -1, -1, -1, -1, -1, -1, -1, -1 }; 
+static int gpio_output[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
+                                -1, -1, -1, -1, -1, -1, -1, -1 };
+static int gpio_inverted[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
+                                -1, -1, -1, -1, -1, -1, -1, -1 };
+static int gpio_normal[17] = { -1, -1, -1, -1, -1, -1, -1, -1, -1,
+                                -1, -1, -1, -1, -1, -1, -1, -1 };
+static int gpio_fan[8] = { -1, -1, -1, -1, -1, -1, -1, -1 };
+module_param_array(gpio_input,int,NULL,0);
+MODULE_PARM_DESC(gpio_input,"List of GPIO pins (0-16) to program as inputs");
+module_param_array(gpio_output,int,NULL,0);
+MODULE_PARM_DESC(gpio_output,"List of GPIO pins (0-16) to program as "
+        "outputs");
+module_param_array(gpio_inverted,int,NULL,0);
+MODULE_PARM_DESC(gpio_inverted,"List of GPIO pins (0-16) to program as "
+        "inverted");
+module_param_array(gpio_normal,int,NULL,0);
+MODULE_PARM_DESC(gpio_normal,"List of GPIO pins (0-16) to program as "
+        "normal/non-inverted");
+module_param_array(gpio_fan,int,NULL,0);
+MODULE_PARM_DESC(gpio_fan,"List of GPIO pins (0-7) to program as fan tachs");
+
+/* Many ADM1026 constants specified below */
+
+/* The ADM1026 registers */
+#define ADM1026_REG_CONFIG1  0x00
+#define CFG1_MONITOR     0x01
+#define CFG1_INT_ENABLE  0x02
+#define CFG1_INT_CLEAR   0x04
+#define CFG1_AIN8_9      0x08
+#define CFG1_THERM_HOT   0x10
+#define CFG1_DAC_AFC     0x20
+#define CFG1_PWM_AFC     0x40
+#define CFG1_RESET       0x80
+#define ADM1026_REG_CONFIG2  0x01
+/* CONFIG2 controls FAN0/GPIO0 through FAN7/GPIO7 */
+#define ADM1026_REG_CONFIG3  0x07
+#define CFG3_GPIO16_ENABLE  0x01
+#define CFG3_CI_CLEAR  0x02
+#define CFG3_VREF_250  0x04
+#define CFG3_GPIO16_DIR  0x40
+#define CFG3_GPIO16_POL  0x80
+#define ADM1026_REG_E2CONFIG  0x13
+#define E2CFG_READ  0x01
+#define E2CFG_WRITE  0x02
+#define E2CFG_ERASE  0x04
+#define E2CFG_ROM  0x08
+#define E2CFG_CLK_EXT  0x80
+
+/* There are 10 general analog inputs and 7 dedicated inputs
+ * They are:
+ *    0 - 9  =  AIN0 - AIN9
+ *       10  =  Vbat
+ *       11  =  3.3V Standby
+ *       12  =  3.3V Main
+ *       13  =  +5V
+ *       14  =  Vccp (CPU core voltage)
+ *       15  =  +12V
+ *       16  =  -12V
+ */
+static u16 ADM1026_REG_IN[] = {
+                0x30, 0x31, 0x32, 0x33, 0x34, 0x35,
+                0x36, 0x37, 0x27, 0x29, 0x26, 0x2a,
+                0x2b, 0x2c, 0x2d, 0x2e, 0x2f
+        };
+static u16 ADM1026_REG_IN_MIN[] = {
+                0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d,
+                0x5e, 0x5f, 0x6d, 0x49, 0x6b, 0x4a,
+                0x4b, 0x4c, 0x4d, 0x4e, 0x4f
+        };
+static u16 ADM1026_REG_IN_MAX[] = {
+                0x50, 0x51, 0x52, 0x53, 0x54, 0x55,
+                0x56, 0x57, 0x6c, 0x41, 0x6a, 0x42,
+                0x43, 0x44, 0x45, 0x46, 0x47
+        };
+
+/* Temperatures are:
+ *    0 - Internal
+ *    1 - External 1
+ *    2 - External 2
+ */
+static u16 ADM1026_REG_TEMP[] = { 0x1f, 0x28, 0x29 };
+static u16 ADM1026_REG_TEMP_MIN[] = { 0x69, 0x48, 0x49 };
+static u16 ADM1026_REG_TEMP_MAX[] = { 0x68, 0x40, 0x41 };
+static u16 ADM1026_REG_TEMP_TMIN[] = { 0x10, 0x11, 0x12 };
+static u16 ADM1026_REG_TEMP_THERM[] = { 0x0d, 0x0e, 0x0f };
+static u16 ADM1026_REG_TEMP_OFFSET[] = { 0x1e, 0x6e, 0x6f };
+
+#define ADM1026_REG_FAN(nr) (0x38 + (nr))
+#define ADM1026_REG_FAN_MIN(nr) (0x60 + (nr))
+#define ADM1026_REG_FAN_DIV_0_3 0x02
+#define ADM1026_REG_FAN_DIV_4_7 0x03
+
+#define ADM1026_REG_DAC  0x04
+#define ADM1026_REG_PWM  0x05
+
+#define ADM1026_REG_GPIO_CFG_0_3 0x08
+#define ADM1026_REG_GPIO_CFG_4_7 0x09
+#define ADM1026_REG_GPIO_CFG_8_11 0x0a
+#define ADM1026_REG_GPIO_CFG_12_15 0x0b
+/* CFG_16 in REG_CFG3 */
+#define ADM1026_REG_GPIO_STATUS_0_7 0x24
+#define ADM1026_REG_GPIO_STATUS_8_15 0x25
+/* STATUS_16 in REG_STATUS4 */
+#define ADM1026_REG_GPIO_MASK_0_7 0x1c
+#define ADM1026_REG_GPIO_MASK_8_15 0x1d
+/* MASK_16 in REG_MASK4 */
+
+#define ADM1026_REG_COMPANY 0x16
+#define ADM1026_REG_VERSTEP 0x17
+/* These are the recognized values for the above regs */
+#define ADM1026_COMPANY_ANALOG_DEV 0x41
+#define ADM1026_VERSTEP_GENERIC 0x40
+#define ADM1026_VERSTEP_ADM1026 0x44
+
+#define ADM1026_REG_MASK1 0x18
+#define ADM1026_REG_MASK2 0x19
+#define ADM1026_REG_MASK3 0x1a
+#define ADM1026_REG_MASK4 0x1b
+
+#define ADM1026_REG_STATUS1 0x20
+#define ADM1026_REG_STATUS2 0x21
+#define ADM1026_REG_STATUS3 0x22
+#define ADM1026_REG_STATUS4 0x23
+
+#define ADM1026_FAN_ACTIVATION_TEMP_HYST -6
+#define ADM1026_FAN_CONTROL_TEMP_RANGE 20
+#define ADM1026_PWM_MAX 255
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG 
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ */
+
+/* IN are scaled acording to built-in resistors.  These are the
+ *   voltages corresponding to 3/4 of full scale (192 or 0xc0)
+ *   NOTE: The -12V input needs an additional factor to account
+ *      for the Vref pullup resistor.
+ *      NEG12_OFFSET = SCALE * Vref / V-192 - Vref
+ *                   = 13875 * 2.50 / 1.875 - 2500
+ *                   = 16000
+ *
+ * The values in this table are based on Table II, page 15 of the
+ *    datasheet.
+ */
+static int adm1026_scaling[] = {  /* .001 Volts */
+                2250, 2250, 2250, 2250, 2250, 2250, 
+                1875, 1875, 1875, 1875, 3000, 3330, 
+                3330, 4995, 2250, 12000, 13875
+        };
+#define NEG12_OFFSET  16000
+#define SCALE(val,from,to) (((val)*(to) + ((from)/2))/(from))
+#define INS_TO_REG(n,val)  (SENSORS_LIMIT(SCALE(val,adm1026_scaling[n],192),\
+        0,255))
+#define INS_FROM_REG(n,val) (SCALE(val,192,adm1026_scaling[n]))
+
+/* FAN speed is measured using 22.5kHz clock and counts for 2 pulses
+ *   and we assume a 2 pulse-per-rev fan tach signal
+ *      22500 kHz * 60 (sec/min) * 2 (pulse) / 2 (pulse/rev) == 1350000
+ */
+#define FAN_TO_REG(val,div)  ((val)<=0 ? 0xff : SENSORS_LIMIT(1350000/((val)*\
+        (div)),1,254)) 
+#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==0xff ? 0 : 1350000/((val)*\
+        (div)))
+#define DIV_FROM_REG(val) (1<<(val))
+#define DIV_TO_REG(val) ((val)>=8 ? 3 : (val)>=4 ? 2 : (val)>=2 ? 1 : 0)
+
+/* Temperature is reported in 1 degC increments */
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
+        -127,127))
+#define TEMP_FROM_REG(val) ((val) * 1000)
+#define OFFSET_TO_REG(val) (SENSORS_LIMIT(((val)+((val)<0 ? -500 : 500))/1000,\
+        -127,127))
+#define OFFSET_FROM_REG(val) ((val) * 1000)
+
+#define PWM_TO_REG(val) (SENSORS_LIMIT(val,0,255))
+#define PWM_FROM_REG(val) (val)
+
+#define PWM_MIN_TO_REG(val) ((val) & 0xf0)
+#define PWM_MIN_FROM_REG(val) (((val) & 0xf0) + ((val) >> 4))
+
+/* Analog output is a voltage, and scaled to millivolts.  The datasheet 
+ *   indicates that the DAC could be used to drive the fans, but in our 
+ *   example board (Arima HDAMA) it isn't connected to the fans at all.
+ */
+#define DAC_TO_REG(val) (SENSORS_LIMIT(((((val)*255)+500)/2500),0,255)) 
+#define DAC_FROM_REG(val) (((val)*2500)/255)
+
+/* Typically used with systems using a v9.1 VRM spec ? */
+#define ADM1026_INIT_VRM  91
+
+/* Chip sampling rates
+ *
+ * Some sensors are not updated more frequently than once per second
+ *    so it doesn't make sense to read them more often than that.
+ *    We cache the results and return the saved data if the driver
+ *    is called again before a second has elapsed.
+ *
+ * Also, there is significant configuration data for this chip
+ *    So, we keep the config data up to date in the cache
+ *    when it is written and only sample it once every 5 *minutes*
+ */
+#define ADM1026_DATA_INTERVAL  (1 * HZ)
+#define ADM1026_CONFIG_INTERVAL  (5 * 60 * HZ)
+
+/* We allow for multiple chips in a single system.
+ *
+ * For each registered ADM1026, we need to keep state information
+ * at client->data. The adm1026_data structure is dynamically
+ * allocated, when a new client structure is allocated. */
+
+struct pwm_data {
+        u8 pwm;
+        u8 enable;
+        u8 auto_pwm_min;
+};
+
+struct adm1026_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        int valid;              /* !=0 if following fields are valid */
+        unsigned long last_reading;     /* In jiffies */
+        unsigned long last_config;      /* In jiffies */
+
+        u8 in[17];              /* Register value */
+        u8 in_max[17];          /* Register value */
+        u8 in_min[17];          /* Register value */
+        s8 temp[3];             /* Register value */
+        s8 temp_min[3];         /* Register value */
+        s8 temp_max[3];         /* Register value */
+        s8 temp_tmin[3];        /* Register value */
+        s8 temp_crit[3];        /* Register value */
+        s8 temp_offset[3];      /* Register value */
+        u8 fan[8];              /* Register value */
+        u8 fan_min[8];          /* Register value */
+        u8 fan_div[8];          /* Decoded value */
+        struct pwm_data pwm1;   /* Pwm control values */
+        int vid;                /* Decoded value */
+        u8 vrm;                 /* VRM version */
+        u8 analog_out;          /* Register value (DAC) */
+        long alarms;            /* Register encoding, combined */
+        long alarm_mask;        /* Register encoding, combined */
+        long gpio;              /* Register encoding, combined */
+        long gpio_mask;         /* Register encoding, combined */
+        u8 gpio_config[17];     /* Decoded value */
+        u8 config1;             /* Register value */
+        u8 config2;             /* Register value */
+        u8 config3;             /* Register value */
+};
+
+static int adm1026_attach_adapter(struct i2c_adapter *adapter);
+static int adm1026_detect(struct i2c_adapter *adapter, int address,
+        int kind);
+static int adm1026_detach_client(struct i2c_client *client);
+static int adm1026_read_value(struct i2c_client *client, u8 register);
+static int adm1026_write_value(struct i2c_client *client, u8 register,
+        int value); 
+static void adm1026_print_gpio(struct i2c_client *client);
+static void adm1026_fixup_gpio(struct i2c_client *client); 
+static struct adm1026_data *adm1026_update_device(struct device *dev);
+static void adm1026_init_client(struct i2c_client *client);
+
+
+static struct i2c_driver adm1026_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "adm1026",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = adm1026_attach_adapter,
+        .detach_client  = adm1026_detach_client,
+};
+
+int adm1026_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON)) {
+                return 0;
+        }
+        return i2c_detect(adapter, &addr_data, adm1026_detect);
+}
+
+int adm1026_detach_client(struct i2c_client *client)
+{
+        i2c_detach_client(client);
+        kfree(client);
+        return 0;
+}
+
+int adm1026_read_value(struct i2c_client *client, u8 reg)
+{
+        int res;
+
+        if (reg < 0x80) {
+                /* "RAM" locations */
+                res = i2c_smbus_read_byte_data(client, reg) & 0xff;
+        } else {
+                /* EEPROM, do nothing */
+                res = 0;
+        }
+        return res;
+}
+
+int adm1026_write_value(struct i2c_client *client, u8 reg, int value)
+{
+        int res;
+
+        if (reg < 0x80) {
+                /* "RAM" locations */
+                res = i2c_smbus_write_byte_data(client, reg, value);
+        } else {
+                /* EEPROM, do nothing */
+                res = 0;
+        }
+        return res;
+}
+
+void adm1026_init_client(struct i2c_client *client)
+{
+        int value, i;
+        struct adm1026_data *data = i2c_get_clientdata(client);
+
+        dev_dbg(&client->dev, "Initializing device\n");
+        /* Read chip config */
+        data->config1 = adm1026_read_value(client, ADM1026_REG_CONFIG1);
+        data->config2 = adm1026_read_value(client, ADM1026_REG_CONFIG2);
+        data->config3 = adm1026_read_value(client, ADM1026_REG_CONFIG3);
+
+        /* Inform user of chip config */
+        dev_dbg(&client->dev, "ADM1026_REG_CONFIG1 is: 0x%02x\n",
+                data->config1);
+        if ((data->config1 & CFG1_MONITOR) == 0) {
+                dev_dbg(&client->dev, "Monitoring not currently "
+                        "enabled.\n");
+        }
+        if (data->config1 & CFG1_INT_ENABLE) {
+                dev_dbg(&client->dev, "SMBALERT interrupts are "
+                        "enabled.\n");
+        }
+        if (data->config1 & CFG1_AIN8_9) {
+                dev_dbg(&client->dev, "in8 and in9 enabled. "
+                        "temp3 disabled.\n");
+        } else {
+                dev_dbg(&client->dev, "temp3 enabled.  in8 and "
+                        "in9 disabled.\n");
+        }
+        if (data->config1 & CFG1_THERM_HOT) {
+                dev_dbg(&client->dev, "Automatic THERM, PWM, "
+                        "and temp limits enabled.\n");
+        }
+
+        value = data->config3;
+        if (data->config3 & CFG3_GPIO16_ENABLE) {
+                dev_dbg(&client->dev, "GPIO16 enabled.  THERM"
+                        "pin disabled.\n");
+        } else {
+                dev_dbg(&client->dev, "THERM pin enabled.  "
+                        "GPIO16 disabled.\n");
+        }
+        if (data->config3 & CFG3_VREF_250) {
+                dev_dbg(&client->dev, "Vref is 2.50 Volts.\n");
+        } else {
+                dev_dbg(&client->dev, "Vref is 1.82 Volts.\n");
+        }
+        /* Read and pick apart the existing GPIO configuration */
+        value = 0;
+        for (i = 0;i <= 15;++i) {
+                if ((i & 0x03) == 0) {
+                        value = adm1026_read_value(client,
+                                        ADM1026_REG_GPIO_CFG_0_3 + i/4);
+                }
+                data->gpio_config[i] = value & 0x03;
+                value >>= 2;
+        }
+        data->gpio_config[16] = (data->config3 >> 6) & 0x03;
+
+        /* ... and then print it */
+        adm1026_print_gpio(client);
+
+        /* If the user asks us to reprogram the GPIO config, then
+         * do it now.
+         */
+        if (gpio_input[0] != -1 || gpio_output[0] != -1
+                || gpio_inverted[0] != -1 || gpio_normal[0] != -1
+                || gpio_fan[0] != -1) {
+                adm1026_fixup_gpio(client);
+        }
+
+        /* WE INTENTIONALLY make no changes to the limits,
+         *   offsets, pwms, fans and zones.  If they were
+         *   configured, we don't want to mess with them.
+         *   If they weren't, the default is 100% PWM, no
+         *   control and will suffice until 'sensors -s'
+         *   can be run by the user.  We DO set the default 
+         *   value for pwm1.auto_pwm_min to its maximum
+         *   so that enabling automatic pwm fan control
+         *   without first setting a value for pwm1.auto_pwm_min 
+         *   will not result in potentially dangerous fan speed decrease.
+         */
+        data->pwm1.auto_pwm_min=255;
+        /* Start monitoring */
+        value = adm1026_read_value(client, ADM1026_REG_CONFIG1);
+        /* Set MONITOR, clear interrupt acknowledge and s/w reset */
+        value = (value | CFG1_MONITOR) & (~CFG1_INT_CLEAR & ~CFG1_RESET);
+        dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
+        data->config1 = value;
+        adm1026_write_value(client, ADM1026_REG_CONFIG1, value);
+
+        /* initialize fan_div[] to hardware defaults */
+        value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3) |
+                (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7) << 8);
+        for (i = 0;i <= 7;++i) {
+                data->fan_div[i] = DIV_FROM_REG(value & 0x03);
+                value >>= 2;
+        }
+}
+
+void adm1026_print_gpio(struct i2c_client *client)
+{
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int  i;
+
+        dev_dbg(&client->dev, "GPIO config is:");
+        for (i = 0;i <= 7;++i) {
+                if (data->config2 & (1 << i)) {
+                        dev_dbg(&client->dev, "\t%sGP%s%d\n",
+                                data->gpio_config[i] & 0x02 ? "" : "!",
+                                data->gpio_config[i] & 0x01 ? "OUT" : "IN",
+                                i);
+                } else {
+                        dev_dbg(&client->dev, "\tFAN%d\n", i);
+                }
+        }
+        for (i = 8;i <= 15;++i) {
+                dev_dbg(&client->dev, "\t%sGP%s%d\n",
+                        data->gpio_config[i] & 0x02 ? "" : "!",
+                        data->gpio_config[i] & 0x01 ? "OUT" : "IN",
+                        i);
+        }
+        if (data->config3 & CFG3_GPIO16_ENABLE) {
+                dev_dbg(&client->dev, "\t%sGP%s16\n",
+                        data->gpio_config[16] & 0x02 ? "" : "!",
+                        data->gpio_config[16] & 0x01 ? "OUT" : "IN");
+        } else {
+                /* GPIO16 is THERM  */
+                dev_dbg(&client->dev, "\tTHERM\n");
+        }
+}
+
+void adm1026_fixup_gpio(struct i2c_client *client)
+{
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int  i;
+        int  value;
+
+        /* Make the changes requested. */
+        /* We may need to unlock/stop monitoring or soft-reset the
+         *    chip before we can make changes.  This hasn't been
+         *    tested much.  FIXME
+         */
+
+        /* Make outputs */
+        for (i = 0;i <= 16;++i) {
+                if (gpio_output[i] >= 0 && gpio_output[i] <= 16) {
+                        data->gpio_config[gpio_output[i]] |= 0x01;
+                }
+                /* if GPIO0-7 is output, it isn't a FAN tach */
+                if (gpio_output[i] >= 0 && gpio_output[i] <= 7) {
+                        data->config2 |= 1 << gpio_output[i];
+                }
+        }
+
+        /* Input overrides output */
+        for (i = 0;i <= 16;++i) {
+                if (gpio_input[i] >= 0 && gpio_input[i] <= 16) {
+                        data->gpio_config[gpio_input[i]] &= ~ 0x01;
+                }
+                /* if GPIO0-7 is input, it isn't a FAN tach */
+                if (gpio_input[i] >= 0 && gpio_input[i] <= 7) {
+                        data->config2 |= 1 << gpio_input[i];
+                }
+        }
+
+        /* Inverted  */
+        for (i = 0;i <= 16;++i) {
+                if (gpio_inverted[i] >= 0 && gpio_inverted[i] <= 16) {
+                        data->gpio_config[gpio_inverted[i]] &= ~ 0x02;
+                }
+        }
+
+        /* Normal overrides inverted  */
+        for (i = 0;i <= 16;++i) {
+                if (gpio_normal[i] >= 0 && gpio_normal[i] <= 16) {
+                        data->gpio_config[gpio_normal[i]] |= 0x02;
+                }
+        }
+
+        /* Fan overrides input and output */
+        for (i = 0;i <= 7;++i) {
+                if (gpio_fan[i] >= 0 && gpio_fan[i] <= 7) {
+                        data->config2 &= ~(1 << gpio_fan[i]);
+                }
+        }
+
+        /* Write new configs to registers */
+        adm1026_write_value(client, ADM1026_REG_CONFIG2, data->config2);
+        data->config3 = (data->config3 & 0x3f)
+                        | ((data->gpio_config[16] & 0x03) << 6);
+        adm1026_write_value(client, ADM1026_REG_CONFIG3, data->config3);
+        for (i = 15, value = 0;i >= 0;--i) {
+                value <<= 2;
+                value |= data->gpio_config[i] & 0x03;
+                if ((i & 0x03) == 0) {
+                        adm1026_write_value(client,
+                                        ADM1026_REG_GPIO_CFG_0_3 + i/4,
+                                        value);
+                        value = 0;
+                }
+        }
+
+        /* Print the new config */
+        adm1026_print_gpio(client);
+}
+
+
+static struct adm1026_data *adm1026_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int i;
+        long value, alarms, gpio;
+
+        down(&data->update_lock);
+        if (!data->valid
+            || time_after(jiffies, data->last_reading + ADM1026_DATA_INTERVAL)) {
+                /* Things that change quickly */
+                dev_dbg(&client->dev,"Reading sensor values\n");
+                for (i = 0;i <= 16;++i) {
+                        data->in[i] =
+                            adm1026_read_value(client, ADM1026_REG_IN[i]);
+                }
+
+                for (i = 0;i <= 7;++i) {
+                        data->fan[i] =
+                            adm1026_read_value(client, ADM1026_REG_FAN(i));
+                }
+
+                for (i = 0;i <= 2;++i) {
+                        /* NOTE: temp[] is s8 and we assume 2's complement
+                         *   "conversion" in the assignment   */
+                        data->temp[i] =
+                            adm1026_read_value(client, ADM1026_REG_TEMP[i]);
+                }
+
+                data->pwm1.pwm = adm1026_read_value(client, 
+                        ADM1026_REG_PWM);
+                data->analog_out = adm1026_read_value(client, 
+                        ADM1026_REG_DAC);
+                /* GPIO16 is MSbit of alarms, move it to gpio */
+                alarms = adm1026_read_value(client, ADM1026_REG_STATUS4);
+                gpio = alarms & 0x80 ? 0x0100 : 0;  /* GPIO16 */
+                alarms &= 0x7f;
+                alarms <<= 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_STATUS3);
+                alarms <<= 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_STATUS2);
+                alarms <<= 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_STATUS1);
+                data->alarms = alarms;
+
+                /* Read the GPIO values */
+                gpio |= adm1026_read_value(client, 
+                        ADM1026_REG_GPIO_STATUS_8_15);
+                gpio <<= 8;
+                gpio |= adm1026_read_value(client, 
+                        ADM1026_REG_GPIO_STATUS_0_7);
+                data->gpio = gpio;
+
+                data->last_reading = jiffies;
+        };  /* last_reading */
+
+        if (!data->valid ||
+            time_after(jiffies, data->last_config + ADM1026_CONFIG_INTERVAL)) {
+                /* Things that don't change often */
+                dev_dbg(&client->dev, "Reading config values\n");
+                for (i = 0;i <= 16;++i) {
+                        data->in_min[i] = adm1026_read_value(client, 
+                                ADM1026_REG_IN_MIN[i]);
+                        data->in_max[i] = adm1026_read_value(client, 
+                                ADM1026_REG_IN_MAX[i]);
+                }
+
+                value = adm1026_read_value(client, ADM1026_REG_FAN_DIV_0_3)
+                        | (adm1026_read_value(client, ADM1026_REG_FAN_DIV_4_7)
+                        << 8);
+                for (i = 0;i <= 7;++i) {
+                        data->fan_min[i] = adm1026_read_value(client, 
+                                ADM1026_REG_FAN_MIN(i));
+                        data->fan_div[i] = DIV_FROM_REG(value & 0x03);
+                        value >>= 2;
+                }
+
+                for (i = 0; i <= 2; ++i) {
+                        /* NOTE: temp_xxx[] are s8 and we assume 2's 
+                         *    complement "conversion" in the assignment
+                         */
+                        data->temp_min[i] = adm1026_read_value(client, 
+                                ADM1026_REG_TEMP_MIN[i]);
+                        data->temp_max[i] = adm1026_read_value(client, 
+                                ADM1026_REG_TEMP_MAX[i]);
+                        data->temp_tmin[i] = adm1026_read_value(client, 
+                                ADM1026_REG_TEMP_TMIN[i]);
+                        data->temp_crit[i] = adm1026_read_value(client, 
+                                ADM1026_REG_TEMP_THERM[i]);
+                        data->temp_offset[i] = adm1026_read_value(client, 
+                                ADM1026_REG_TEMP_OFFSET[i]);
+                }
+
+                /* Read the STATUS/alarm masks */
+                alarms  = adm1026_read_value(client, ADM1026_REG_MASK4);
+                gpio    = alarms & 0x80 ? 0x0100 : 0;  /* GPIO16 */
+                alarms  = (alarms & 0x7f) << 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_MASK3);
+                alarms <<= 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_MASK2);
+                alarms <<= 8;
+                alarms |= adm1026_read_value(client, ADM1026_REG_MASK1);
+                data->alarm_mask = alarms;
+
+                /* Read the GPIO values */
+                gpio |= adm1026_read_value(client, 
+                        ADM1026_REG_GPIO_MASK_8_15);
+                gpio <<= 8;
+                gpio |= adm1026_read_value(client, ADM1026_REG_GPIO_MASK_0_7);
+                data->gpio_mask = gpio;
+
+                /* Read various values from CONFIG1 */
+                data->config1 = adm1026_read_value(client, 
+                        ADM1026_REG_CONFIG1);
+                if (data->config1 & CFG1_PWM_AFC) {
+                        data->pwm1.enable = 2;
+                        data->pwm1.auto_pwm_min = 
+                                PWM_MIN_FROM_REG(data->pwm1.pwm);
+                }
+                /* Read the GPIO config */
+                data->config2 = adm1026_read_value(client, 
+                        ADM1026_REG_CONFIG2);
+                data->config3 = adm1026_read_value(client, 
+                        ADM1026_REG_CONFIG3);
+                data->gpio_config[16] = (data->config3 >> 6) & 0x03;
+
+                value = 0;
+                for (i = 0;i <= 15;++i) {
+                        if ((i & 0x03) == 0) {
+                                value = adm1026_read_value(client,
+                                            ADM1026_REG_GPIO_CFG_0_3 + i/4);
+                        }
+                        data->gpio_config[i] = value & 0x03;
+                        value >>= 2;
+                }
+
+                data->last_config = jiffies;
+        };  /* last_config */
+
+        dev_dbg(&client->dev, "Setting VID from GPIO11-15.\n");
+        data->vid = (data->gpio >> 11) & 0x1f;
+        data->valid = 1;
+        up(&data->update_lock);
+        return data;
+}
+
+static ssize_t show_in(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in[nr]));
+}
+static ssize_t show_in_min(struct device *dev, char *buf, int nr) 
+{
+        struct adm1026_data *data = adm1026_update_device(dev); 
+        return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]));
+}
+static ssize_t set_in_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = INS_TO_REG(nr, val);
+        adm1026_write_value(client, ADM1026_REG_IN_MIN[nr], data->in_min[nr]);
+        up(&data->update_lock);
+        return count; 
+}
+static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]));
+}
+static ssize_t set_in_max(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = INS_TO_REG(nr, val);
+        adm1026_write_value(client, ADM1026_REG_IN_MAX[nr], data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define in_reg(offset)                                                    \
+static ssize_t show_in##offset (struct device *dev, char *buf)            \
+{                                                                         \
+        return show_in(dev, buf, offset);                                 \
+}                                                                         \
+static ssize_t show_in##offset##_min (struct device *dev, char *buf)      \
+{                                                                         \
+        return show_in_min(dev, buf, offset);                             \
+}                                                                         \
+static ssize_t set_in##offset##_min (struct device *dev,                  \
+        const char *buf, size_t count)                                    \
+{                                                                         \
+        return set_in_min(dev, buf, count, offset);                       \
+}                                                                         \
+static ssize_t show_in##offset##_max (struct device *dev, char *buf)      \
+{                                                                         \
+        return show_in_max(dev, buf, offset);                             \
+}                                                                         \
+static ssize_t set_in##offset##_max (struct device *dev,                  \
+        const char *buf, size_t count)                                    \
+{                                                                         \
+        return set_in_max(dev, buf, count, offset);                       \
+}                                                                         \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);   \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,                   \
+                show_in##offset##_min, set_in##offset##_min);             \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,                   \
+                show_in##offset##_max, set_in##offset##_max);
+
+
+in_reg(0);
+in_reg(1);
+in_reg(2);
+in_reg(3);
+in_reg(4);
+in_reg(5);
+in_reg(6);
+in_reg(7);
+in_reg(8);
+in_reg(9);
+in_reg(10);
+in_reg(11);
+in_reg(12);
+in_reg(13);
+in_reg(14);
+in_reg(15);
+
+static ssize_t show_in16(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in[16]) -
+                NEG12_OFFSET);
+}
+static ssize_t show_in16_min(struct device *dev, char *buf) 
+{
+        struct adm1026_data *data = adm1026_update_device(dev); 
+        return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_min[16])
+                - NEG12_OFFSET);
+}
+static ssize_t set_in16_min(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[16] = INS_TO_REG(16, val + NEG12_OFFSET);
+        adm1026_write_value(client, ADM1026_REG_IN_MIN[16], data->in_min[16]);
+        up(&data->update_lock);
+        return count; 
+}
+static ssize_t show_in16_max(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_max[16])
+                        - NEG12_OFFSET);
+}
+static ssize_t set_in16_max(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[16] = INS_TO_REG(16, val+NEG12_OFFSET);
+        adm1026_write_value(client, ADM1026_REG_IN_MAX[16], data->in_max[16]);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(in16_input, S_IRUGO, show_in16, NULL);
+static DEVICE_ATTR(in16_min, S_IRUGO | S_IWUSR, show_in16_min, set_in16_min);
+static DEVICE_ATTR(in16_max, S_IRUGO | S_IWUSR, show_in16_max, set_in16_max);
+
+
+
+
+/* Now add fan read/write functions */
+
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr],
+                data->fan_div[nr]));
+}
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
+                data->fan_div[nr]));
+}
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, data->fan_div[nr]);
+        adm1026_write_value(client, ADM1026_REG_FAN_MIN(nr),
+                data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define fan_offset(offset)                                                  \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)            \
+{                                                                           \
+        return show_fan(dev, buf, offset - 1);                              \
+}                                                                           \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)      \
+{                                                                           \
+        return show_fan_min(dev, buf, offset - 1);                          \
+}                                                                           \
+static ssize_t set_fan_##offset##_min (struct device *dev,                  \
+        const char *buf, size_t count)                                      \
+{                                                                           \
+        return set_fan_min(dev, buf, count, offset - 1);                    \
+}                                                                           \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);  \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                    \
+                show_fan_##offset##_min, set_fan_##offset##_min);
+
+fan_offset(1);
+fan_offset(2);
+fan_offset(3);
+fan_offset(4);
+fan_offset(5);
+fan_offset(6);
+fan_offset(7);
+fan_offset(8);
+
+/* Adjust fan_min to account for new fan divisor */
+static void fixup_fan_min(struct device *dev, int fan, int old_div)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int    new_min;
+        int    new_div = data->fan_div[fan];
+
+        /* 0 and 0xff are special.  Don't adjust them */
+        if (data->fan_min[fan] == 0 || data->fan_min[fan] == 0xff) {
+                return;
+        }
+
+        new_min = data->fan_min[fan] * old_div / new_div;
+        new_min = SENSORS_LIMIT(new_min, 1, 254);
+        data->fan_min[fan] = new_min;
+        adm1026_write_value(client, ADM1026_REG_FAN_MIN(fan), new_min);
+}
+
+/* Now add fan_div read/write functions */
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", data->fan_div[nr]);
+}
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int    val,orig_div,new_div,shift;
+
+        val = simple_strtol(buf, NULL, 10);
+        new_div = DIV_TO_REG(val); 
+        if (new_div == 0) {
+                return -EINVAL;
+        }
+        down(&data->update_lock);
+        orig_div = data->fan_div[nr];
+        data->fan_div[nr] = DIV_FROM_REG(new_div);
+
+        if (nr < 4) { /* 0 <= nr < 4 */
+                shift = 2 * nr;
+                adm1026_write_value(client, ADM1026_REG_FAN_DIV_0_3,
+                        ((DIV_TO_REG(orig_div) & (~(0x03 << shift))) |
+                        (new_div << shift)));
+        } else { /* 3 < nr < 8 */
+                shift = 2 * (nr - 4);
+                adm1026_write_value(client, ADM1026_REG_FAN_DIV_4_7,
+                        ((DIV_TO_REG(orig_div) & (~(0x03 << (2 * shift)))) |
+                        (new_div << shift)));
+        }
+
+        if (data->fan_div[nr] != orig_div) {
+                fixup_fan_min(dev,nr,orig_div);
+        }
+        up(&data->update_lock);
+        return count;
+}
+
+#define fan_offset_div(offset)                                          \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_div (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_div(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_div, set_fan_##offset##_div);
+
+fan_offset_div(1);
+fan_offset_div(2);
+fan_offset_div(3);
+fan_offset_div(4);
+fan_offset_div(5);
+fan_offset_div(6);
+fan_offset_div(7);
+fan_offset_div(8);
+
+/* Temps */
+static ssize_t show_temp(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp[nr]));
+}
+static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]));
+}
+static ssize_t set_temp_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_min[nr] = TEMP_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_TEMP_MIN[nr],
+                data->temp_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]));
+}
+static ssize_t set_temp_max(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_max[nr] = TEMP_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_TEMP_MAX[nr],
+                data->temp_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define temp_reg(offset)                                                      \
+static ssize_t show_temp_##offset (struct device *dev, char *buf)             \
+{                                                                             \
+        return show_temp(dev, buf, offset - 1);                               \
+}                                                                             \
+static ssize_t show_temp_##offset##_min (struct device *dev, char *buf)       \
+{                                                                             \
+        return show_temp_min(dev, buf, offset - 1);                           \
+}                                                                             \
+static ssize_t show_temp_##offset##_max (struct device *dev, char *buf)       \
+{                                                                             \
+        return show_temp_max(dev, buf, offset - 1);                           \
+}                                                                             \
+static ssize_t set_temp_##offset##_min (struct device *dev,                   \
+        const char *buf, size_t count)                                        \
+{                                                                             \
+        return set_temp_min(dev, buf, count, offset - 1);                     \
+}                                                                             \
+static ssize_t set_temp_##offset##_max (struct device *dev,                   \
+        const char *buf, size_t count)                                        \
+{                                                                             \
+        return set_temp_max(dev, buf, count, offset - 1);                     \
+}                                                                             \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL);  \
+static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,                     \
+                show_temp_##offset##_min, set_temp_##offset##_min);           \
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,                     \
+                show_temp_##offset##_max, set_temp_##offset##_max);
+
+
+temp_reg(1);
+temp_reg(2);
+temp_reg(3);
+
+static ssize_t show_temp_offset(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_offset[nr]));
+}
+static ssize_t set_temp_offset(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_offset[nr] = TEMP_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_TEMP_OFFSET[nr],
+                data->temp_offset[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define temp_offset_reg(offset)                                             \
+static ssize_t show_temp_##offset##_offset (struct device *dev, char *buf)  \
+{                                                                           \
+        return show_temp_offset(dev, buf, offset - 1);                      \
+}                                                                           \
+static ssize_t set_temp_##offset##_offset (struct device *dev,              \
+        const char *buf, size_t count)                                      \
+{                                                                           \
+        return set_temp_offset(dev, buf, count, offset - 1);                \
+}                                                                           \
+static DEVICE_ATTR(temp##offset##_offset, S_IRUGO | S_IWUSR,                \
+                show_temp_##offset##_offset, set_temp_##offset##_offset);
+
+temp_offset_reg(1);
+temp_offset_reg(2);
+temp_offset_reg(3);
+
+static ssize_t show_temp_auto_point1_temp_hyst(struct device *dev, char *buf,
+                int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(
+                ADM1026_FAN_ACTIVATION_TEMP_HYST + data->temp_tmin[nr]));
+}
+static ssize_t show_temp_auto_point2_temp(struct device *dev, char *buf,
+                int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr] +
+                ADM1026_FAN_CONTROL_TEMP_RANGE));
+}
+static ssize_t show_temp_auto_point1_temp(struct device *dev, char *buf,
+                int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_tmin[nr]));
+}
+static ssize_t set_temp_auto_point1_temp(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_tmin[nr] = TEMP_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_TEMP_TMIN[nr],
+                data->temp_tmin[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define temp_auto_point(offset)                                             \
+static ssize_t show_temp##offset##_auto_point1_temp (struct device *dev,    \
+        char *buf)                                                          \
+{                                                                           \
+        return show_temp_auto_point1_temp(dev, buf, offset - 1);            \
+}                                                                           \
+static ssize_t set_temp##offset##_auto_point1_temp (struct device *dev,     \
+        const char *buf, size_t count)                                      \
+{                                                                           \
+        return set_temp_auto_point1_temp(dev, buf, count, offset - 1);      \
+}                                                                           \
+static ssize_t show_temp##offset##_auto_point1_temp_hyst (struct device     \
+        *dev, char *buf)                                                    \
+{                                                                           \
+        return show_temp_auto_point1_temp_hyst(dev, buf, offset - 1);       \
+}                                                                           \
+static ssize_t show_temp##offset##_auto_point2_temp (struct device *dev,    \
+         char *buf)                                                         \
+{                                                                           \
+        return show_temp_auto_point2_temp(dev, buf, offset - 1);            \
+}                                                                           \
+static DEVICE_ATTR(temp##offset##_auto_point1_temp, S_IRUGO | S_IWUSR,      \
+                show_temp##offset##_auto_point1_temp,                       \
+                set_temp##offset##_auto_point1_temp);                       \
+static DEVICE_ATTR(temp##offset##_auto_point1_temp_hyst, S_IRUGO,           \
+                show_temp##offset##_auto_point1_temp_hyst, NULL);           \
+static DEVICE_ATTR(temp##offset##_auto_point2_temp, S_IRUGO,                \
+                show_temp##offset##_auto_point2_temp, NULL);
+
+temp_auto_point(1);
+temp_auto_point(2);
+temp_auto_point(3);
+
+static ssize_t show_temp_crit_enable(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", (data->config1 & CFG1_THERM_HOT) >> 4);
+}
+static ssize_t set_temp_crit_enable(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        if ((val == 1) || (val==0)) {
+                down(&data->update_lock);
+                data->config1 = (data->config1 & ~CFG1_THERM_HOT) | (val << 4);
+                adm1026_write_value(client, ADM1026_REG_CONFIG1, 
+                        data->config1);
+                up(&data->update_lock);
+        }
+        return count;
+}
+
+static DEVICE_ATTR(temp1_crit_enable, S_IRUGO | S_IWUSR, 
+        show_temp_crit_enable, set_temp_crit_enable);
+
+static DEVICE_ATTR(temp2_crit_enable, S_IRUGO | S_IWUSR, 
+        show_temp_crit_enable, set_temp_crit_enable);
+
+static DEVICE_ATTR(temp3_crit_enable, S_IRUGO | S_IWUSR, 
+        show_temp_crit_enable, set_temp_crit_enable);
+
+
+static ssize_t show_temp_crit(struct device *dev, char *buf, int nr)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
+}
+static ssize_t set_temp_crit(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_crit[nr] = TEMP_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_TEMP_THERM[nr],
+                data->temp_crit[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define temp_crit_reg(offset)                                             \
+static ssize_t show_temp_##offset##_crit (struct device *dev, char *buf)  \
+{                                                                         \
+        return show_temp_crit(dev, buf, offset - 1);                      \
+}                                                                         \
+static ssize_t set_temp_##offset##_crit (struct device *dev,              \
+        const char *buf, size_t count)                                    \
+{                                                                         \
+        return set_temp_crit(dev, buf, count, offset - 1);                \
+}                                                                         \
+static DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR,                \
+                show_temp_##offset##_crit, set_temp_##offset##_crit);
+
+temp_crit_reg(1);
+temp_crit_reg(2);
+temp_crit_reg(3);
+
+static ssize_t show_analog_out_reg(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", DAC_FROM_REG(data->analog_out));
+}
+static ssize_t set_analog_out_reg(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->analog_out = DAC_TO_REG(val);
+        adm1026_write_value(client, ADM1026_REG_DAC, data->analog_out);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg, 
+        set_analog_out_reg);
+
+static ssize_t show_vid_reg(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm));
+}
+
+static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL);
+
+static ssize_t show_vrm_reg(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", data->vrm);
+}
+static ssize_t store_vrm_reg(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+
+        data->vrm = simple_strtol(buf, NULL, 10);
+        return count;
+}
+
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+
+static ssize_t show_alarms_reg(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) (data->alarms));
+}
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
+
+static ssize_t show_alarm_mask(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%ld\n", data->alarm_mask);
+}
+static ssize_t set_alarm_mask(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        unsigned long mask;
+
+        down(&data->update_lock);
+        data->alarm_mask = val & 0x7fffffff;
+        mask = data->alarm_mask
+                | (data->gpio_mask & 0x10000 ? 0x80000000 : 0);
+        adm1026_write_value(client, ADM1026_REG_MASK1,
+                mask & 0xff);
+        mask >>= 8;
+        adm1026_write_value(client, ADM1026_REG_MASK2,
+                mask & 0xff);
+        mask >>= 8;
+        adm1026_write_value(client, ADM1026_REG_MASK3,
+                mask & 0xff);
+        mask >>= 8;
+        adm1026_write_value(client, ADM1026_REG_MASK4,
+                mask & 0xff);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask,
+        set_alarm_mask);
+
+
+static ssize_t show_gpio(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%ld\n", data->gpio);
+}
+static ssize_t set_gpio(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        long   gpio;
+
+        down(&data->update_lock);
+        data->gpio = val & 0x1ffff;
+        gpio = data->gpio;
+        adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_0_7,gpio & 0xff);
+        gpio >>= 8;
+        adm1026_write_value(client, ADM1026_REG_GPIO_STATUS_8_15,gpio & 0xff);
+        gpio = ((gpio >> 1) & 0x80) | (data->alarms >> 24 & 0x7f);
+        adm1026_write_value(client, ADM1026_REG_STATUS4,gpio & 0xff);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio);
+
+
+static ssize_t show_gpio_mask(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%ld\n", data->gpio_mask);
+}
+static ssize_t set_gpio_mask(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        long   mask;
+
+        down(&data->update_lock);
+        data->gpio_mask = val & 0x1ffff;
+        mask = data->gpio_mask;
+        adm1026_write_value(client, ADM1026_REG_GPIO_MASK_0_7,mask & 0xff);
+        mask >>= 8;
+        adm1026_write_value(client, ADM1026_REG_GPIO_MASK_8_15,mask & 0xff);
+        mask = ((mask >> 1) & 0x80) | (data->alarm_mask >> 24 & 0x7f);
+        adm1026_write_value(client, ADM1026_REG_MASK1,mask & 0xff);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask);
+
+static ssize_t show_pwm_reg(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm1.pwm));
+}
+static ssize_t set_pwm_reg(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+
+        if (data->pwm1.enable == 1) {
+                int val = simple_strtol(buf, NULL, 10);
+
+                down(&data->update_lock);
+                data->pwm1.pwm = PWM_TO_REG(val);
+                adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
+                up(&data->update_lock);
+        }
+        return count;
+}
+static ssize_t show_auto_pwm_min(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", data->pwm1.auto_pwm_min);
+}
+static ssize_t set_auto_pwm_min(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->pwm1.auto_pwm_min = SENSORS_LIMIT(val,0,255);
+        if (data->pwm1.enable == 2) { /* apply immediately */
+                data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
+                        PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); 
+                adm1026_write_value(client, ADM1026_REG_PWM, data->pwm1.pwm);
+        }
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_auto_pwm_max(struct device *dev, char *buf)
+{
+        return sprintf(buf,"%d\n", ADM1026_PWM_MAX);
+}
+static ssize_t show_pwm_enable(struct device *dev, char *buf)
+{
+        struct adm1026_data *data = adm1026_update_device(dev);
+        return sprintf(buf,"%d\n", data->pwm1.enable);
+}
+static ssize_t set_pwm_enable(struct device *dev, const char *buf,
+                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1026_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        int     old_enable;
+
+        if ((val >= 0) && (val < 3)) {
+                down(&data->update_lock);
+                old_enable = data->pwm1.enable;
+                data->pwm1.enable = val;
+                data->config1 = (data->config1 & ~CFG1_PWM_AFC)
+                                | ((val == 2) ? CFG1_PWM_AFC : 0);
+                adm1026_write_value(client, ADM1026_REG_CONFIG1,
+                        data->config1);
+                if (val == 2) {  /* apply pwm1_auto_pwm_min to pwm1 */
+                        data->pwm1.pwm = PWM_TO_REG((data->pwm1.pwm & 0x0f) |
+                                PWM_MIN_TO_REG(data->pwm1.auto_pwm_min)); 
+                        adm1026_write_value(client, ADM1026_REG_PWM, 
+                                data->pwm1.pwm);
+                } else if (!((old_enable == 1) && (val == 1))) {
+                        /* set pwm to safe value */
+                        data->pwm1.pwm = 255;
+                        adm1026_write_value(client, ADM1026_REG_PWM, 
+                                data->pwm1.pwm);
+                }
+                up(&data->update_lock);
+        }
+        return count;
+}
+
+/* enable PWM fan control */
+static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); 
+static DEVICE_ATTR(pwm2, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); 
+static DEVICE_ATTR(pwm3, S_IRUGO | S_IWUSR, show_pwm_reg, set_pwm_reg); 
+static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR, show_pwm_enable, 
+        set_pwm_enable);
+static DEVICE_ATTR(pwm2_enable, S_IRUGO | S_IWUSR, show_pwm_enable, 
+        set_pwm_enable);
+static DEVICE_ATTR(pwm3_enable, S_IRUGO | S_IWUSR, show_pwm_enable, 
+        set_pwm_enable);
+static DEVICE_ATTR(temp1_auto_point1_pwm, S_IRUGO | S_IWUSR, 
+        show_auto_pwm_min, set_auto_pwm_min);
+static DEVICE_ATTR(temp2_auto_point1_pwm, S_IRUGO | S_IWUSR, 
+        show_auto_pwm_min, set_auto_pwm_min);
+static DEVICE_ATTR(temp3_auto_point1_pwm, S_IRUGO | S_IWUSR, 
+        show_auto_pwm_min, set_auto_pwm_min);
+
+static DEVICE_ATTR(temp1_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
+static DEVICE_ATTR(temp2_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
+static DEVICE_ATTR(temp3_auto_point2_pwm, S_IRUGO, show_auto_pwm_max, NULL);
+
+int adm1026_detect(struct i2c_adapter *adapter, int address,
+                int kind)
+{
+        int company, verstep;
+        struct i2c_client *new_client;
+        struct adm1026_data *data;
+        int err = 0;
+        const char *type_name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+                /* We need to be able to do byte I/O */
+                goto exit;
+        };
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access adm1026_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct adm1026_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+
+        memset(data, 0, sizeof(struct adm1026_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &adm1026_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        company = adm1026_read_value(new_client, ADM1026_REG_COMPANY);
+        verstep = adm1026_read_value(new_client, ADM1026_REG_VERSTEP);
+
+        dev_dbg(&new_client->dev, "Detecting device at %d,0x%02x with"
+                " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
+                i2c_adapter_id(new_client->adapter), new_client->addr,
+                company, verstep);
+
+        /* If auto-detecting, Determine the chip type. */
+        if (kind <= 0) {
+                dev_dbg(&new_client->dev, "Autodetecting device at %d,0x%02x "
+                        "...\n", i2c_adapter_id(adapter), address);
+                if (company == ADM1026_COMPANY_ANALOG_DEV
+                    && verstep == ADM1026_VERSTEP_ADM1026) {
+                        kind = adm1026;
+                } else if (company == ADM1026_COMPANY_ANALOG_DEV
+                        && (verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
+                        dev_err(&adapter->dev, ": Unrecognized stepping "
+                                "0x%02x. Defaulting to ADM1026.\n", verstep);
+                        kind = adm1026;
+                } else if ((verstep & 0xf0) == ADM1026_VERSTEP_GENERIC) {
+                        dev_err(&adapter->dev, ": Found version/stepping "
+                                "0x%02x. Assuming generic ADM1026.\n",
+                                verstep);
+                        kind = any_chip;
+                } else {
+                        dev_dbg(&new_client->dev, ": Autodetection "
+                                "failed\n");
+                        /* Not an ADM1026 ... */
+                        if (kind == 0)  { /* User used force=x,y */
+                                dev_err(&adapter->dev, "Generic ADM1026 not "
+                                        "found at %d,0x%02x.  Try "
+                                        "force_adm1026.\n",
+                                        i2c_adapter_id(adapter), address);
+                        }
+                        err = 0;
+                        goto exitfree;
+                }
+        }
+
+        /* Fill in the chip specific driver values */
+        switch (kind) {
+        case any_chip :
+                type_name = "adm1026";
+                break;
+        case adm1026 :
+                type_name = "adm1026";
+                break;
+        default :
+                dev_err(&adapter->dev, ": Internal error, invalid "
+                        "kind (%d)!", kind);
+                err = -EFAULT;
+                goto exitfree;
+        }
+        strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
+
+        /* Fill in the remaining client fields */
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exitfree;
+
+        /* Set the VRM version */
+        data->vrm = i2c_which_vrm();
+
+        /* Initialize the ADM1026 chip */
+        adm1026_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in5_input);
+        device_create_file(&new_client->dev, &dev_attr_in5_max);
+        device_create_file(&new_client->dev, &dev_attr_in5_min);
+        device_create_file(&new_client->dev, &dev_attr_in6_input);
+        device_create_file(&new_client->dev, &dev_attr_in6_max);
+        device_create_file(&new_client->dev, &dev_attr_in6_min);
+        device_create_file(&new_client->dev, &dev_attr_in7_input);
+        device_create_file(&new_client->dev, &dev_attr_in7_max);
+        device_create_file(&new_client->dev, &dev_attr_in7_min);
+        device_create_file(&new_client->dev, &dev_attr_in8_input);
+        device_create_file(&new_client->dev, &dev_attr_in8_max);
+        device_create_file(&new_client->dev, &dev_attr_in8_min);
+        device_create_file(&new_client->dev, &dev_attr_in9_input);
+        device_create_file(&new_client->dev, &dev_attr_in9_max);
+        device_create_file(&new_client->dev, &dev_attr_in9_min);
+        device_create_file(&new_client->dev, &dev_attr_in10_input);
+        device_create_file(&new_client->dev, &dev_attr_in10_max);
+        device_create_file(&new_client->dev, &dev_attr_in10_min);
+        device_create_file(&new_client->dev, &dev_attr_in11_input);
+        device_create_file(&new_client->dev, &dev_attr_in11_max);
+        device_create_file(&new_client->dev, &dev_attr_in11_min);
+        device_create_file(&new_client->dev, &dev_attr_in12_input);
+        device_create_file(&new_client->dev, &dev_attr_in12_max);
+        device_create_file(&new_client->dev, &dev_attr_in12_min);
+        device_create_file(&new_client->dev, &dev_attr_in13_input);
+        device_create_file(&new_client->dev, &dev_attr_in13_max);
+        device_create_file(&new_client->dev, &dev_attr_in13_min);
+        device_create_file(&new_client->dev, &dev_attr_in14_input);
+        device_create_file(&new_client->dev, &dev_attr_in14_max);
+        device_create_file(&new_client->dev, &dev_attr_in14_min);
+        device_create_file(&new_client->dev, &dev_attr_in15_input);
+        device_create_file(&new_client->dev, &dev_attr_in15_max);
+        device_create_file(&new_client->dev, &dev_attr_in15_min);
+        device_create_file(&new_client->dev, &dev_attr_in16_input);
+        device_create_file(&new_client->dev, &dev_attr_in16_max);
+        device_create_file(&new_client->dev, &dev_attr_in16_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan3_input);
+        device_create_file(&new_client->dev, &dev_attr_fan3_div);
+        device_create_file(&new_client->dev, &dev_attr_fan3_min);
+        device_create_file(&new_client->dev, &dev_attr_fan4_input);
+        device_create_file(&new_client->dev, &dev_attr_fan4_div);
+        device_create_file(&new_client->dev, &dev_attr_fan4_min);
+        device_create_file(&new_client->dev, &dev_attr_fan5_input);
+        device_create_file(&new_client->dev, &dev_attr_fan5_div);
+        device_create_file(&new_client->dev, &dev_attr_fan5_min);
+        device_create_file(&new_client->dev, &dev_attr_fan6_input);
+        device_create_file(&new_client->dev, &dev_attr_fan6_div);
+        device_create_file(&new_client->dev, &dev_attr_fan6_min);
+        device_create_file(&new_client->dev, &dev_attr_fan7_input);
+        device_create_file(&new_client->dev, &dev_attr_fan7_div);
+        device_create_file(&new_client->dev, &dev_attr_fan7_min);
+        device_create_file(&new_client->dev, &dev_attr_fan8_input);
+        device_create_file(&new_client->dev, &dev_attr_fan8_div);
+        device_create_file(&new_client->dev, &dev_attr_fan8_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_offset);
+        device_create_file(&new_client->dev, &dev_attr_temp2_offset);
+        device_create_file(&new_client->dev, &dev_attr_temp3_offset);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp1_auto_point1_temp);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp2_auto_point1_temp);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp3_auto_point1_temp);
+        device_create_file(&new_client->dev,
+                &dev_attr_temp1_auto_point1_temp_hyst);
+        device_create_file(&new_client->dev,
+                &dev_attr_temp2_auto_point1_temp_hyst);
+        device_create_file(&new_client->dev,
+                &dev_attr_temp3_auto_point1_temp_hyst);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp1_auto_point2_temp);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp2_auto_point2_temp);
+        device_create_file(&new_client->dev, 
+                &dev_attr_temp3_auto_point2_temp);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit_enable);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit_enable);
+        device_create_file(&new_client->dev, &dev_attr_temp3_crit_enable);
+        device_create_file(&new_client->dev, &dev_attr_vid);
+        device_create_file(&new_client->dev, &dev_attr_vrm);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_alarm_mask);
+        device_create_file(&new_client->dev, &dev_attr_gpio);
+        device_create_file(&new_client->dev, &dev_attr_gpio_mask);
+        device_create_file(&new_client->dev, &dev_attr_pwm1);
+        device_create_file(&new_client->dev, &dev_attr_pwm2);
+        device_create_file(&new_client->dev, &dev_attr_pwm3);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_point1_pwm);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_point1_pwm);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_point1_pwm);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_point2_pwm);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_point2_pwm);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_point2_pwm);
+        device_create_file(&new_client->dev, &dev_attr_analog_out);
+        return 0;
+
+        /* Error out and cleanup code */
+exitfree:
+        kfree(new_client);
+exit:
+        return err;
+}
+static int __init sm_adm1026_init(void)
+{
+        return i2c_add_driver(&adm1026_driver);
+}
+
+static void  __exit sm_adm1026_exit(void)
+{
+        i2c_del_driver(&adm1026_driver);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, "
+              "Justin Thiessen <jthiessen@penguincomputing.com>");
+MODULE_DESCRIPTION("ADM1026 driver");
+
+module_init(sm_adm1026_init);
+module_exit(sm_adm1026_exit);
diff --git a/drivers/i2c/chips/adm1031.c b/drivers/i2c/chips/adm1031.c
new file mode 100644
index 000000000000..d4385a23f79a
--- /dev/null
+++ b/drivers/i2c/chips/adm1031.c
@@ -0,0 +1,977 @@
+/*
+  adm1031.c - Part of lm_sensors, Linux kernel modules for hardware
+  monitoring
+  Based on lm75.c and lm85.c
+  Supports adm1030 / adm1031
+  Copyright (C) 2004 Alexandre d'Alton <alex@alexdalton.org>
+  Reworked by Jean Delvare <khali@linux-fr.org>
+  
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Following macros takes channel parameter starting from 0 to 2 */
+#define ADM1031_REG_FAN_SPEED(nr)       (0x08 + (nr))
+#define ADM1031_REG_FAN_DIV(nr)         (0x20  + (nr))
+#define ADM1031_REG_PWM                 (0x22)
+#define ADM1031_REG_FAN_MIN(nr)         (0x10 + (nr))
+
+#define ADM1031_REG_TEMP_MAX(nr)        (0x14  + 4*(nr))
+#define ADM1031_REG_TEMP_MIN(nr)        (0x15  + 4*(nr))
+#define ADM1031_REG_TEMP_CRIT(nr)       (0x16  + 4*(nr))
+
+#define ADM1031_REG_TEMP(nr)            (0xa + (nr))
+#define ADM1031_REG_AUTO_TEMP(nr)       (0x24 + (nr))
+
+#define ADM1031_REG_STATUS(nr)          (0x2 + (nr))
+
+#define ADM1031_REG_CONF1               0x0
+#define ADM1031_REG_CONF2               0x1
+#define ADM1031_REG_EXT_TEMP            0x6
+
+#define ADM1031_CONF1_MONITOR_ENABLE    0x01    /* Monitoring enable */
+#define ADM1031_CONF1_PWM_INVERT        0x08    /* PWM Invert */
+#define ADM1031_CONF1_AUTO_MODE         0x80    /* Auto FAN */
+
+#define ADM1031_CONF2_PWM1_ENABLE       0x01
+#define ADM1031_CONF2_PWM2_ENABLE       0x02
+#define ADM1031_CONF2_TACH1_ENABLE      0x04
+#define ADM1031_CONF2_TACH2_ENABLE      0x08
+#define ADM1031_CONF2_TEMP_ENABLE(chan) (0x10 << (chan))
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_2(adm1030, adm1031);
+
+typedef u8 auto_chan_table_t[8][2];
+
+/* Each client has this additional data */
+struct adm1031_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        int chip_type;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+        /* The chan_select_table contains the possible configurations for
+         * auto fan control.
+         */
+        auto_chan_table_t *chan_select_table;
+        u16 alarm;
+        u8 conf1;
+        u8 conf2;
+        u8 fan[2];
+        u8 fan_div[2];
+        u8 fan_min[2];
+        u8 pwm[2];
+        u8 old_pwm[2];
+        s8 temp[3];
+        u8 ext_temp[3];
+        u8 auto_temp[3];
+        u8 auto_temp_min[3];
+        u8 auto_temp_off[3];
+        u8 auto_temp_max[3];
+        s8 temp_min[3];
+        s8 temp_max[3];
+        s8 temp_crit[3];
+};
+
+static int adm1031_attach_adapter(struct i2c_adapter *adapter);
+static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind);
+static void adm1031_init_client(struct i2c_client *client);
+static int adm1031_detach_client(struct i2c_client *client);
+static struct adm1031_data *adm1031_update_device(struct device *dev);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver adm1031_driver = {
+        .owner = THIS_MODULE,
+        .name = "adm1031",
+        .flags = I2C_DF_NOTIFY,
+        .attach_adapter = adm1031_attach_adapter,
+        .detach_client = adm1031_detach_client,
+};
+
+static inline u8 adm1031_read_value(struct i2c_client *client, u8 reg)
+{
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static inline int
+adm1031_write_value(struct i2c_client *client, u8 reg, unsigned int value)
+{
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+
+#define TEMP_TO_REG(val)                (((val) < 0 ? ((val - 500) / 1000) : \
+                                        ((val + 500) / 1000)))
+
+#define TEMP_FROM_REG(val)              ((val) * 1000)
+
+#define TEMP_FROM_REG_EXT(val, ext)     (TEMP_FROM_REG(val) + (ext) * 125)
+
+#define FAN_FROM_REG(reg, div)          ((reg) ? (11250 * 60) / ((reg) * (div)) : 0)
+
+static int FAN_TO_REG(int reg, int div)
+{
+        int tmp;
+        tmp = FAN_FROM_REG(SENSORS_LIMIT(reg, 0, 65535), div);
+        return tmp > 255 ? 255 : tmp;
+}
+
+#define FAN_DIV_FROM_REG(reg)           (1<<(((reg)&0xc0)>>6))
+
+#define PWM_TO_REG(val)                 (SENSORS_LIMIT((val), 0, 255) >> 4)
+#define PWM_FROM_REG(val)               ((val) << 4)
+
+#define FAN_CHAN_FROM_REG(reg)          (((reg) >> 5) & 7)
+#define FAN_CHAN_TO_REG(val, reg)       \
+        (((reg) & 0x1F) | (((val) << 5) & 0xe0))
+
+#define AUTO_TEMP_MIN_TO_REG(val, reg)  \
+        ((((val)/500) & 0xf8)|((reg) & 0x7))
+#define AUTO_TEMP_RANGE_FROM_REG(reg)   (5000 * (1<< ((reg)&0x7)))
+#define AUTO_TEMP_MIN_FROM_REG(reg)     (1000 * ((((reg) >> 3) & 0x1f) << 2))
+
+#define AUTO_TEMP_MIN_FROM_REG_DEG(reg) ((((reg) >> 3) & 0x1f) << 2)
+
+#define AUTO_TEMP_OFF_FROM_REG(reg)             \
+        (AUTO_TEMP_MIN_FROM_REG(reg) - 5000)
+
+#define AUTO_TEMP_MAX_FROM_REG(reg)             \
+        (AUTO_TEMP_RANGE_FROM_REG(reg) +        \
+        AUTO_TEMP_MIN_FROM_REG(reg))
+
+static int AUTO_TEMP_MAX_TO_REG(int val, int reg, int pwm)
+{
+        int ret;
+        int range = val - AUTO_TEMP_MIN_FROM_REG(reg);
+
+        range = ((val - AUTO_TEMP_MIN_FROM_REG(reg))*10)/(16 - pwm);
+        ret = ((reg & 0xf8) |
+               (range < 10000 ? 0 :
+                range < 20000 ? 1 :
+                range < 40000 ? 2 : range < 80000 ? 3 : 4));
+        return ret;
+}
+
+/* FAN auto control */
+#define GET_FAN_AUTO_BITFIELD(data, idx)        \
+        (*(data)->chan_select_table)[FAN_CHAN_FROM_REG((data)->conf1)][idx%2]
+
+/* The tables below contains the possible values for the auto fan 
+ * control bitfields. the index in the table is the register value.
+ * MSb is the auto fan control enable bit, so the four first entries
+ * in the table disables auto fan control when both bitfields are zero.
+ */
+static auto_chan_table_t auto_channel_select_table_adm1031 = {
+        {0, 0}, {0, 0}, {0, 0}, {0, 0},
+        {2 /*0b010 */ , 4 /*0b100 */ },
+        {2 /*0b010 */ , 2 /*0b010 */ },
+        {4 /*0b100 */ , 4 /*0b100 */ },
+        {7 /*0b111 */ , 7 /*0b111 */ },
+};
+
+static auto_chan_table_t auto_channel_select_table_adm1030 = {
+        {0, 0}, {0, 0}, {0, 0}, {0, 0},
+        {2 /*0b10 */            , 0},
+        {0xff /*invalid */      , 0},
+        {0xff /*invalid */      , 0},
+        {3 /*0b11 */            , 0},
+};
+
+/* That function checks if a bitfield is valid and returns the other bitfield
+ * nearest match if no exact match where found.
+ */
+static int
+get_fan_auto_nearest(struct adm1031_data *data,
+                     int chan, u8 val, u8 reg, u8 * new_reg)
+{
+        int i;
+        int first_match = -1, exact_match = -1;
+        u8 other_reg_val =
+            (*data->chan_select_table)[FAN_CHAN_FROM_REG(reg)][chan ? 0 : 1];
+
+        if (val == 0) {
+                *new_reg = 0;
+                return 0;
+        }
+
+        for (i = 0; i < 8; i++) {
+                if ((val == (*data->chan_select_table)[i][chan]) &&
+                    ((*data->chan_select_table)[i][chan ? 0 : 1] ==
+                     other_reg_val)) {
+                        /* We found an exact match */
+                        exact_match = i;
+                        break;
+                } else if (val == (*data->chan_select_table)[i][chan] &&
+                           first_match == -1) {
+                        /* Save the first match in case of an exact match has not been
+                         * found 
+                         */
+                        first_match = i;
+                }
+        }
+
+        if (exact_match >= 0) {
+                *new_reg = exact_match;
+        } else if (first_match >= 0) {
+                *new_reg = first_match;
+        } else {
+                return -EINVAL;
+        }
+        return 0;
+}
+
+static ssize_t show_fan_auto_channel(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", GET_FAN_AUTO_BITFIELD(data, nr));
+}
+
+static ssize_t
+set_fan_auto_channel(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        u8 reg;
+        int ret;
+        u8 old_fan_mode;
+
+        old_fan_mode = data->conf1;
+
+        down(&data->update_lock);
+        
+        if ((ret = get_fan_auto_nearest(data, nr, val, data->conf1, &reg))) {
+                up(&data->update_lock);
+                return ret;
+        }
+        if (((data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1)) & ADM1031_CONF1_AUTO_MODE) ^ 
+            (old_fan_mode & ADM1031_CONF1_AUTO_MODE)) {
+                if (data->conf1 & ADM1031_CONF1_AUTO_MODE){
+                        /* Switch to Auto Fan Mode 
+                         * Save PWM registers 
+                         * Set PWM registers to 33% Both */
+                        data->old_pwm[0] = data->pwm[0];
+                        data->old_pwm[1] = data->pwm[1];
+                        adm1031_write_value(client, ADM1031_REG_PWM, 0x55);
+                } else {
+                        /* Switch to Manual Mode */
+                        data->pwm[0] = data->old_pwm[0];
+                        data->pwm[1] = data->old_pwm[1];
+                        /* Restore PWM registers */
+                        adm1031_write_value(client, ADM1031_REG_PWM, 
+                                            data->pwm[0] | (data->pwm[1] << 4));
+                }
+        }
+        data->conf1 = FAN_CHAN_TO_REG(reg, data->conf1);
+        adm1031_write_value(client, ADM1031_REG_CONF1, data->conf1);
+        up(&data->update_lock);
+        return count;
+}
+
+#define fan_auto_channel_offset(offset)                                         \
+static ssize_t show_fan_auto_channel_##offset (struct device *dev, char *buf)   \
+{                                                                               \
+        return show_fan_auto_channel(dev, buf, offset - 1);                     \
+}                                                                               \
+static ssize_t set_fan_auto_channel_##offset (struct device *dev,               \
+        const char *buf, size_t count)                                          \
+{                                                                               \
+        return set_fan_auto_channel(dev, buf, count, offset - 1);               \
+}                                                                               \
+static DEVICE_ATTR(auto_fan##offset##_channel, S_IRUGO | S_IWUSR,               \
+                   show_fan_auto_channel_##offset,                              \
+                   set_fan_auto_channel_##offset)
+
+fan_auto_channel_offset(1);
+fan_auto_channel_offset(2);
+
+/* Auto Temps */
+static ssize_t show_auto_temp_off(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", 
+                       AUTO_TEMP_OFF_FROM_REG(data->auto_temp[nr]));
+}
+static ssize_t show_auto_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n",
+                       AUTO_TEMP_MIN_FROM_REG(data->auto_temp[nr]));
+}
+static ssize_t
+set_auto_temp_min(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->auto_temp[nr] = AUTO_TEMP_MIN_TO_REG(val, data->auto_temp[nr]);
+        adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
+                            data->auto_temp[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_auto_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n",
+                       AUTO_TEMP_MAX_FROM_REG(data->auto_temp[nr]));
+}
+static ssize_t
+set_auto_temp_max(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_max[nr] = AUTO_TEMP_MAX_TO_REG(val, data->auto_temp[nr], data->pwm[nr]);
+        adm1031_write_value(client, ADM1031_REG_AUTO_TEMP(nr),
+                            data->temp_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define auto_temp_reg(offset)                                                   \
+static ssize_t show_auto_temp_##offset##_off (struct device *dev, char *buf)    \
+{                                                                               \
+        return show_auto_temp_off(dev, buf, offset - 1);                        \
+}                                                                               \
+static ssize_t show_auto_temp_##offset##_min (struct device *dev, char *buf)    \
+{                                                                               \
+        return show_auto_temp_min(dev, buf, offset - 1);                        \
+}                                                                               \
+static ssize_t show_auto_temp_##offset##_max (struct device *dev, char *buf)    \
+{                                                                               \
+        return show_auto_temp_max(dev, buf, offset - 1);                        \
+}                                                                               \
+static ssize_t set_auto_temp_##offset##_min (struct device *dev,                \
+                                             const char *buf, size_t count)     \
+{                                                                               \
+        return set_auto_temp_min(dev, buf, count, offset - 1);          \
+}                                                                               \
+static ssize_t set_auto_temp_##offset##_max (struct device *dev,                \
+                                             const char *buf, size_t count)     \
+{                                                                               \
+        return set_auto_temp_max(dev, buf, count, offset - 1);          \
+}                                                                               \
+static DEVICE_ATTR(auto_temp##offset##_off, S_IRUGO,                            \
+                   show_auto_temp_##offset##_off, NULL);                        \
+static DEVICE_ATTR(auto_temp##offset##_min, S_IRUGO | S_IWUSR,                  \
+                   show_auto_temp_##offset##_min, set_auto_temp_##offset##_min);\
+static DEVICE_ATTR(auto_temp##offset##_max, S_IRUGO | S_IWUSR,                  \
+                   show_auto_temp_##offset##_max, set_auto_temp_##offset##_max)
+
+auto_temp_reg(1);
+auto_temp_reg(2);
+auto_temp_reg(3);
+
+/* pwm */
+static ssize_t show_pwm(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr]));
+}
+static ssize_t
+set_pwm(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        int reg;
+
+        down(&data->update_lock);
+        if ((data->conf1 & ADM1031_CONF1_AUTO_MODE) && 
+            (((val>>4) & 0xf) != 5)) {
+                /* In automatic mode, the only PWM accepted is 33% */
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+        data->pwm[nr] = PWM_TO_REG(val);
+        reg = adm1031_read_value(client, ADM1031_REG_PWM);
+        adm1031_write_value(client, ADM1031_REG_PWM,
+                            nr ? ((data->pwm[nr] << 4) & 0xf0) | (reg & 0xf)
+                            : (data->pwm[nr] & 0xf) | (reg & 0xf0));
+        up(&data->update_lock);
+        return count;
+}
+
+#define pwm_reg(offset)                                                 \
+static ssize_t show_pwm_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_pwm(dev, buf, offset - 1);                  \
+}                                                                       \
+static ssize_t set_pwm_##offset (struct device *dev,                    \
+                                 const char *buf, size_t count)         \
+{                                                                       \
+        return set_pwm(dev, buf, count, offset - 1);            \
+}                                                                       \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,                      \
+                   show_pwm_##offset, set_pwm_##offset)
+
+pwm_reg(1);
+pwm_reg(2);
+
+/* Fans */
+
+/*
+ * That function checks the cases where the fan reading is not
+ * relevent.  It is used to provide 0 as fan reading when the fan is
+ * not supposed to run
+ */
+static int trust_fan_readings(struct adm1031_data *data, int chan)
+{
+        int res = 0;
+
+        if (data->conf1 & ADM1031_CONF1_AUTO_MODE) {
+                switch (data->conf1 & 0x60) {
+                case 0x00:      /* remote temp1 controls fan1 remote temp2 controls fan2 */
+                        res = data->temp[chan+1] >=
+                              AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[chan+1]);
+                        break;
+                case 0x20:      /* remote temp1 controls both fans */
+                        res =
+                            data->temp[1] >=
+                            AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[1]);
+                        break;
+                case 0x40:      /* remote temp2 controls both fans */
+                        res =
+                            data->temp[2] >=
+                            AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[2]);
+                        break;
+                case 0x60:      /* max controls both fans */
+                        res =
+                            data->temp[0] >=
+                            AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[0])
+                            || data->temp[1] >=
+                            AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[1])
+                            || (data->chip_type == adm1031 
+                                && data->temp[2] >=
+                                AUTO_TEMP_MIN_FROM_REG_DEG(data->auto_temp[2]));
+                        break;
+                }
+        } else {
+                res = data->pwm[chan] > 0;
+        }
+        return res;
+}
+
+
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        int value;
+
+        value = trust_fan_readings(data, nr) ? FAN_FROM_REG(data->fan[nr],
+                                 FAN_DIV_FROM_REG(data->fan_div[nr])) : 0;
+        return sprintf(buf, "%d\n", value);
+}
+
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[nr]));
+}
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n",
+                       FAN_FROM_REG(data->fan_min[nr],
+                                    FAN_DIV_FROM_REG(data->fan_div[nr])));
+}
+static ssize_t
+set_fan_min(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        if (val) {
+                data->fan_min[nr] = 
+                        FAN_TO_REG(val, FAN_DIV_FROM_REG(data->fan_div[nr]));
+        } else {
+                data->fan_min[nr] = 0xff;
+        }
+        adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t
+set_fan_div(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        u8 tmp;
+        int old_div;
+        int new_min;
+
+        tmp = val == 8 ? 0xc0 :
+              val == 4 ? 0x80 :
+              val == 2 ? 0x40 : 
+              val == 1 ? 0x00 :  
+              0xff;
+        if (tmp == 0xff)
+                return -EINVAL;
+        
+        down(&data->update_lock);
+        old_div = FAN_DIV_FROM_REG(data->fan_div[nr]);
+        data->fan_div[nr] = (tmp & 0xC0) | (0x3f & data->fan_div[nr]);
+        new_min = data->fan_min[nr] * old_div / 
+                FAN_DIV_FROM_REG(data->fan_div[nr]);
+        data->fan_min[nr] = new_min > 0xff ? 0xff : new_min;
+        data->fan[nr] = data->fan[nr] * old_div / 
+                FAN_DIV_FROM_REG(data->fan_div[nr]);
+
+        adm1031_write_value(client, ADM1031_REG_FAN_DIV(nr), 
+                            data->fan_div[nr]);
+        adm1031_write_value(client, ADM1031_REG_FAN_MIN(nr), 
+                            data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define fan_offset(offset)                                              \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                  \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static ssize_t set_fan_##offset##_div (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_div(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset,     \
+                   NULL);                                               \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                   show_fan_##offset##_min, set_fan_##offset##_min);    \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,                \
+                   show_fan_##offset##_div, set_fan_##offset##_div);    \
+static DEVICE_ATTR(auto_fan##offset##_min_pwm, S_IRUGO | S_IWUSR,       \
+                   show_pwm_##offset, set_pwm_##offset)
+
+fan_offset(1);
+fan_offset(2);
+
+
+/* Temps */
+static ssize_t show_temp(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        int ext;
+        ext = nr == 0 ?
+            ((data->ext_temp[nr] >> 6) & 0x3) * 2 :
+            (((data->ext_temp[nr] >> ((nr - 1) * 3)) & 7));
+        return sprintf(buf, "%d\n", TEMP_FROM_REG_EXT(data->temp[nr], ext));
+}
+static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[nr]));
+}
+static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[nr]));
+}
+static ssize_t show_temp_crit(struct device *dev, char *buf, int nr)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[nr]));
+}
+static ssize_t
+set_temp_min(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val;
+
+        val = simple_strtol(buf, NULL, 10);
+        val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
+        down(&data->update_lock);
+        data->temp_min[nr] = TEMP_TO_REG(val);
+        adm1031_write_value(client, ADM1031_REG_TEMP_MIN(nr),
+                            data->temp_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t
+set_temp_max(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val;
+
+        val = simple_strtol(buf, NULL, 10);
+        val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
+        down(&data->update_lock);
+        data->temp_max[nr] = TEMP_TO_REG(val);
+        adm1031_write_value(client, ADM1031_REG_TEMP_MAX(nr),
+                            data->temp_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t
+set_temp_crit(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int val;
+
+        val = simple_strtol(buf, NULL, 10);
+        val = SENSORS_LIMIT(val, -55000, nr == 0 ? 127750 : 127875);
+        down(&data->update_lock);
+        data->temp_crit[nr] = TEMP_TO_REG(val);
+        adm1031_write_value(client, ADM1031_REG_TEMP_CRIT(nr),
+                            data->temp_crit[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define temp_reg(offset)                                                        \
+static ssize_t show_temp_##offset (struct device *dev, char *buf)               \
+{                                                                               \
+        return show_temp(dev, buf, offset - 1);                         \
+}                                                                               \
+static ssize_t show_temp_##offset##_min (struct device *dev, char *buf)         \
+{                                                                               \
+        return show_temp_min(dev, buf, offset - 1);                             \
+}                                                                               \
+static ssize_t show_temp_##offset##_max (struct device *dev, char *buf)         \
+{                                                                               \
+        return show_temp_max(dev, buf, offset - 1);                             \
+}                                                                               \
+static ssize_t show_temp_##offset##_crit (struct device *dev, char *buf)        \
+{                                                                               \
+        return show_temp_crit(dev, buf, offset - 1);                    \
+}                                                                               \
+static ssize_t set_temp_##offset##_min (struct device *dev,                     \
+                                        const char *buf, size_t count)          \
+{                                                                               \
+        return set_temp_min(dev, buf, count, offset - 1);                       \
+}                                                                               \
+static ssize_t set_temp_##offset##_max (struct device *dev,                     \
+                                        const char *buf, size_t count)          \
+{                                                                               \
+        return set_temp_max(dev, buf, count, offset - 1);                       \
+}                                                                               \
+static ssize_t set_temp_##offset##_crit (struct device *dev,                    \
+                                         const char *buf, size_t count)         \
+{                                                                               \
+        return set_temp_crit(dev, buf, count, offset - 1);                      \
+}                                                                               \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset,           \
+                   NULL);                                                       \
+static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,                       \
+                   show_temp_##offset##_min, set_temp_##offset##_min);          \
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,                       \
+                   show_temp_##offset##_max, set_temp_##offset##_max);          \
+static DEVICE_ATTR(temp##offset##_crit, S_IRUGO | S_IWUSR,                      \
+                   show_temp_##offset##_crit, set_temp_##offset##_crit)
+
+temp_reg(1);
+temp_reg(2);
+temp_reg(3);
+
+/* Alarms */
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct adm1031_data *data = adm1031_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarm);
+}
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+
+static int adm1031_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, adm1031_detect);
+}
+
+/* This function is called by i2c_detect */
+static int adm1031_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct adm1031_data *data;
+        int err = 0;
+        const char *name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct adm1031_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct adm1031_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &adm1031_driver;
+        new_client->flags = 0;
+
+        if (kind < 0) {
+                int id, co;
+                id = i2c_smbus_read_byte_data(new_client, 0x3d);
+                co = i2c_smbus_read_byte_data(new_client, 0x3e);
+
+                if (!((id == 0x31 || id == 0x30) && co == 0x41))
+                        goto exit_free;
+                kind = (id == 0x30) ? adm1030 : adm1031;
+        }
+
+        if (kind <= 0)
+                kind = adm1031;
+
+        /* Given the detected chip type, set the chip name and the
+         * auto fan control helper table. */
+        if (kind == adm1030) {
+                name = "adm1030";
+                data->chan_select_table = &auto_channel_select_table_adm1030;
+        } else if (kind == adm1031) {
+                name = "adm1031";
+                data->chan_select_table = &auto_channel_select_table_adm1031;
+        }
+        data->chip_type = kind;
+
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the ADM1031 chip */
+        adm1031_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_pwm1);
+        device_create_file(&new_client->dev, &dev_attr_auto_fan1_channel);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+
+        device_create_file(&new_client->dev, &dev_attr_auto_temp1_off);
+        device_create_file(&new_client->dev, &dev_attr_auto_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_auto_temp1_max);
+
+        device_create_file(&new_client->dev, &dev_attr_auto_temp2_off);
+        device_create_file(&new_client->dev, &dev_attr_auto_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_auto_temp2_max);
+
+        device_create_file(&new_client->dev, &dev_attr_auto_fan1_min_pwm);
+
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        if (kind == adm1031) {
+                device_create_file(&new_client->dev, &dev_attr_fan2_input);
+                device_create_file(&new_client->dev, &dev_attr_fan2_div);
+                device_create_file(&new_client->dev, &dev_attr_fan2_min);
+                device_create_file(&new_client->dev, &dev_attr_pwm2);
+                device_create_file(&new_client->dev,
+                                   &dev_attr_auto_fan2_channel);
+                device_create_file(&new_client->dev, &dev_attr_temp3_input);
+                device_create_file(&new_client->dev, &dev_attr_temp3_min);
+                device_create_file(&new_client->dev, &dev_attr_temp3_max);
+                device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+                device_create_file(&new_client->dev, &dev_attr_auto_temp3_off);
+                device_create_file(&new_client->dev, &dev_attr_auto_temp3_min);
+                device_create_file(&new_client->dev, &dev_attr_auto_temp3_max);
+                device_create_file(&new_client->dev, &dev_attr_auto_fan2_min_pwm);
+        }
+
+        return 0;
+
+exit_free:
+        kfree(new_client);
+exit:
+        return err;
+}
+
+static int adm1031_detach_client(struct i2c_client *client)
+{
+        int ret;
+        if ((ret = i2c_detach_client(client)) != 0) {
+                return ret;
+        }
+        kfree(client);
+        return 0;
+}
+
+static void adm1031_init_client(struct i2c_client *client)
+{
+        unsigned int read_val;
+        unsigned int mask;
+        struct adm1031_data *data = i2c_get_clientdata(client);
+
+        mask = (ADM1031_CONF2_PWM1_ENABLE | ADM1031_CONF2_TACH1_ENABLE);
+        if (data->chip_type == adm1031) {
+                mask |= (ADM1031_CONF2_PWM2_ENABLE |
+                        ADM1031_CONF2_TACH2_ENABLE);
+        } 
+        /* Initialize the ADM1031 chip (enables fan speed reading ) */
+        read_val = adm1031_read_value(client, ADM1031_REG_CONF2);
+        if ((read_val | mask) != read_val) {
+            adm1031_write_value(client, ADM1031_REG_CONF2, read_val | mask);
+        }
+
+        read_val = adm1031_read_value(client, ADM1031_REG_CONF1);
+        if ((read_val | ADM1031_CONF1_MONITOR_ENABLE) != read_val) {
+            adm1031_write_value(client, ADM1031_REG_CONF1, read_val |
+                                ADM1031_CONF1_MONITOR_ENABLE);
+        }
+
+}
+
+static struct adm1031_data *adm1031_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct adm1031_data *data = i2c_get_clientdata(client);
+        int chan;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+
+                dev_dbg(&client->dev, "Starting adm1031 update\n");
+                for (chan = 0;
+                     chan < ((data->chip_type == adm1031) ? 3 : 2); chan++) {
+                        u8 oldh, newh;
+
+                        oldh =
+                            adm1031_read_value(client, ADM1031_REG_TEMP(chan));
+                        data->ext_temp[chan] =
+                            adm1031_read_value(client, ADM1031_REG_EXT_TEMP);
+                        newh =
+                            adm1031_read_value(client, ADM1031_REG_TEMP(chan));
+                        if (newh != oldh) {
+                                data->ext_temp[chan] =
+                                    adm1031_read_value(client,
+                                                       ADM1031_REG_EXT_TEMP);
+#ifdef DEBUG
+                                oldh =
+                                    adm1031_read_value(client,
+                                                       ADM1031_REG_TEMP(chan));
+
+                                /* oldh is actually newer */
+                                if (newh != oldh)
+                                        dev_warn(&client->dev,
+                                                 "Remote temperature may be "
+                                                 "wrong.\n");
+#endif
+                        }
+                        data->temp[chan] = newh;
+
+                        data->temp_min[chan] =
+                            adm1031_read_value(client,
+                                               ADM1031_REG_TEMP_MIN(chan));
+                        data->temp_max[chan] =
+                            adm1031_read_value(client,
+                                               ADM1031_REG_TEMP_MAX(chan));
+                        data->temp_crit[chan] =
+                            adm1031_read_value(client,
+                                               ADM1031_REG_TEMP_CRIT(chan));
+                        data->auto_temp[chan] =
+                            adm1031_read_value(client,
+                                               ADM1031_REG_AUTO_TEMP(chan));
+
+                }
+
+                data->conf1 = adm1031_read_value(client, ADM1031_REG_CONF1);
+                data->conf2 = adm1031_read_value(client, ADM1031_REG_CONF2);
+
+                data->alarm = adm1031_read_value(client, ADM1031_REG_STATUS(0))
+                             | (adm1031_read_value(client, ADM1031_REG_STATUS(1))
+                                << 8);
+                if (data->chip_type == adm1030) {
+                        data->alarm &= 0xc0ff;
+                }
+                
+                for (chan=0; chan<(data->chip_type == adm1030 ? 1 : 2); chan++) {
+                        data->fan_div[chan] =
+                            adm1031_read_value(client, ADM1031_REG_FAN_DIV(chan));
+                        data->fan_min[chan] =
+                            adm1031_read_value(client, ADM1031_REG_FAN_MIN(chan));
+                        data->fan[chan] =
+                            adm1031_read_value(client, ADM1031_REG_FAN_SPEED(chan));
+                        data->pwm[chan] =
+                            0xf & (adm1031_read_value(client, ADM1031_REG_PWM) >> 
+                                   (4*chan));
+                }
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_adm1031_init(void)
+{
+        return i2c_add_driver(&adm1031_driver);
+}
+
+static void __exit sensors_adm1031_exit(void)
+{
+        i2c_del_driver(&adm1031_driver);
+}
+
+MODULE_AUTHOR("Alexandre d'Alton <alex@alexdalton.org>");
+MODULE_DESCRIPTION("ADM1031/ADM1030 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_adm1031_init);
+module_exit(sensors_adm1031_exit);
diff --git a/drivers/i2c/chips/asb100.c b/drivers/i2c/chips/asb100.c
new file mode 100644
index 000000000000..7f899002bc54
--- /dev/null
+++ b/drivers/i2c/chips/asb100.c
@@ -0,0 +1,1066 @@
+/*
+    asb100.c - Part of lm_sensors, Linux kernel modules for hardware
+                monitoring
+
+    Copyright (C) 2004 Mark M. Hoffman <mhoffman@lightlink.com>
+
+        (derived from w83781d.c)
+
+    Copyright (C) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
+    Philip Edelbrock <phil@netroedge.com>, and
+    Mark Studebaker <mdsxyz123@yahoo.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    This driver supports the hardware sensor chips: Asus ASB100 and
+    ASB100-A "BACH".
+
+    ASB100-A supports pwm1, while plain ASB100 does not.  There is no known
+    way for the driver to tell which one is there.
+
+    Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+    asb100      7       3       1       4       0x31    0x0694  yes     no
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+#include <linux/init.h>
+#include "lm75.h"
+
+/*
+        HISTORY:
+        2003-12-29      1.0.0   Ported from lm_sensors project for kernel 2.6
+*/
+#define ASB100_VERSION "1.0.0"
+
+/* I2C addresses to scan */
+static unsigned short normal_i2c[] = { 0x2d, I2C_CLIENT_END };
+
+/* ISA addresses to scan (none) */
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(asb100);
+I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
+        "{bus, clientaddr, subclientaddr1, subclientaddr2}");
+
+/* Voltage IN registers 0-6 */
+#define ASB100_REG_IN(nr)       (0x20 + (nr))
+#define ASB100_REG_IN_MAX(nr)   (0x2b + (nr * 2))
+#define ASB100_REG_IN_MIN(nr)   (0x2c + (nr * 2))
+
+/* FAN IN registers 1-3 */
+#define ASB100_REG_FAN(nr)      (0x28 + (nr))
+#define ASB100_REG_FAN_MIN(nr)  (0x3b + (nr))
+
+/* TEMPERATURE registers 1-4 */
+static const u16 asb100_reg_temp[]      = {0, 0x27, 0x150, 0x250, 0x17};
+static const u16 asb100_reg_temp_max[]  = {0, 0x39, 0x155, 0x255, 0x18};
+static const u16 asb100_reg_temp_hyst[] = {0, 0x3a, 0x153, 0x253, 0x19};
+
+#define ASB100_REG_TEMP(nr) (asb100_reg_temp[nr])
+#define ASB100_REG_TEMP_MAX(nr) (asb100_reg_temp_max[nr])
+#define ASB100_REG_TEMP_HYST(nr) (asb100_reg_temp_hyst[nr])
+
+#define ASB100_REG_TEMP2_CONFIG 0x0152
+#define ASB100_REG_TEMP3_CONFIG 0x0252
+
+
+#define ASB100_REG_CONFIG       0x40
+#define ASB100_REG_ALARM1       0x41
+#define ASB100_REG_ALARM2       0x42
+#define ASB100_REG_SMIM1        0x43
+#define ASB100_REG_SMIM2        0x44
+#define ASB100_REG_VID_FANDIV   0x47
+#define ASB100_REG_I2C_ADDR     0x48
+#define ASB100_REG_CHIPID       0x49
+#define ASB100_REG_I2C_SUBADDR  0x4a
+#define ASB100_REG_PIN          0x4b
+#define ASB100_REG_IRQ          0x4c
+#define ASB100_REG_BANK         0x4e
+#define ASB100_REG_CHIPMAN      0x4f
+
+#define ASB100_REG_WCHIPID      0x58
+
+/* bit 7 -> enable, bits 0-3 -> duty cycle */
+#define ASB100_REG_PWM1         0x59
+
+/* CONVERSIONS
+   Rounding and limit checking is only done on the TO_REG variants. */
+
+/* These constants are a guess, consistent w/ w83781d */
+#define ASB100_IN_MIN (   0)
+#define ASB100_IN_MAX (4080)
+
+/* IN: 1/1000 V (0V to 4.08V)
+   REG: 16mV/bit */
+static u8 IN_TO_REG(unsigned val)
+{
+        unsigned nval = SENSORS_LIMIT(val, ASB100_IN_MIN, ASB100_IN_MAX);
+        return (nval + 8) / 16;
+}
+
+static unsigned IN_FROM_REG(u8 reg)
+{
+        return reg * 16;
+}
+
+static u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm == -1)
+                return 0;
+        if (rpm == 0)
+                return 255;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
+}
+
+static int FAN_FROM_REG(u8 val, int div)
+{
+        return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+}
+
+/* These constants are a guess, consistent w/ w83781d */
+#define ASB100_TEMP_MIN (-128000)
+#define ASB100_TEMP_MAX ( 127000)
+
+/* TEMP: 0.001C/bit (-128C to +127C)
+   REG: 1C/bit, two's complement */
+static u8 TEMP_TO_REG(int temp)
+{
+        int ntemp = SENSORS_LIMIT(temp, ASB100_TEMP_MIN, ASB100_TEMP_MAX);
+        ntemp += (ntemp<0 ? -500 : 500);
+        return (u8)(ntemp / 1000);
+}
+
+static int TEMP_FROM_REG(u8 reg)
+{
+        return (s8)reg * 1000;
+}
+
+/* PWM: 0 - 255 per sensors documentation
+   REG: (6.25% duty cycle per bit) */
+static u8 ASB100_PWM_TO_REG(int pwm)
+{
+        pwm = SENSORS_LIMIT(pwm, 0, 255);
+        return (u8)(pwm / 16);
+}
+
+static int ASB100_PWM_FROM_REG(u8 reg)
+{
+        return reg * 16;
+}
+
+#define ALARMS_FROM_REG(val) (val)
+
+#define DIV_FROM_REG(val) (1 << (val))
+
+/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+   REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+static u8 DIV_TO_REG(long val)
+{
+        return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+}
+
+/* For each registered client, we need to keep some data in memory. That
+   data is pointed to by client->data. The structure itself is
+   dynamically allocated, at the same time the client itself is allocated. */
+struct asb100_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        unsigned long last_updated;     /* In jiffies */
+
+        /* array of 2 pointers to subclients */
+        struct i2c_client *lm75[2];
+
+        char valid;             /* !=0 if following fields are valid */
+        u8 in[7];               /* Register value */
+        u8 in_max[7];           /* Register value */
+        u8 in_min[7];           /* Register value */
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        u16 temp[4];            /* Register value (0 and 3 are u8 only) */
+        u16 temp_max[4];        /* Register value (0 and 3 are u8 only) */
+        u16 temp_hyst[4];       /* Register value (0 and 3 are u8 only) */
+        u8 fan_div[3];          /* Register encoding, right justified */
+        u8 pwm;                 /* Register encoding */
+        u8 vid;                 /* Register encoding, combined */
+        u32 alarms;             /* Register encoding, combined */
+        u8 vrm;
+};
+
+static int asb100_read_value(struct i2c_client *client, u16 reg);
+static void asb100_write_value(struct i2c_client *client, u16 reg, u16 val);
+
+static int asb100_attach_adapter(struct i2c_adapter *adapter);
+static int asb100_detect(struct i2c_adapter *adapter, int address, int kind);
+static int asb100_detach_client(struct i2c_client *client);
+static struct asb100_data *asb100_update_device(struct device *dev);
+static void asb100_init_client(struct i2c_client *client);
+
+static struct i2c_driver asb100_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "asb100",
+        .id             = I2C_DRIVERID_ASB100,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = asb100_attach_adapter,
+        .detach_client  = asb100_detach_client,
+};
+
+/* 7 Voltages */
+#define show_in_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct asb100_data *data = asb100_update_device(dev); \
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->reg[nr])); \
+}
+
+show_in_reg(in)
+show_in_reg(in_min)
+show_in_reg(in_max)
+
+#define set_in_reg(REG, reg) \
+static ssize_t set_in_##reg(struct device *dev, const char *buf, \
+                size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct asb100_data *data = i2c_get_clientdata(client); \
+        unsigned long val = simple_strtoul(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_##reg[nr] = IN_TO_REG(val); \
+        asb100_write_value(client, ASB100_REG_IN_##REG(nr), \
+                data->in_##reg[nr]); \
+        up(&data->update_lock); \
+        return count; \
+}
+
+set_in_reg(MIN, min)
+set_in_reg(MAX, max)
+
+#define sysfs_in(offset) \
+static ssize_t \
+        show_in##offset (struct device *dev, char *buf) \
+{ \
+        return show_in(dev, buf, offset); \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+                show_in##offset, NULL); \
+static ssize_t \
+        show_in##offset##_min (struct device *dev, char *buf) \
+{ \
+        return show_in_min(dev, buf, offset); \
+} \
+static ssize_t \
+        show_in##offset##_max (struct device *dev, char *buf) \
+{ \
+        return show_in_max(dev, buf, offset); \
+} \
+static ssize_t set_in##offset##_min (struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        return set_in_min(dev, buf, count, offset); \
+} \
+static ssize_t set_in##offset##_max (struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        return set_in_max(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+                show_in##offset##_min, set_in##offset##_min); \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+                show_in##offset##_max, set_in##offset##_max);
+
+sysfs_in(0);
+sysfs_in(1);
+sysfs_in(2);
+sysfs_in(3);
+sysfs_in(4);
+sysfs_in(5);
+sysfs_in(6);
+
+#define device_create_file_in(client, offset) do { \
+        device_create_file(&client->dev, &dev_attr_in##offset##_input); \
+        device_create_file(&client->dev, &dev_attr_in##offset##_min); \
+        device_create_file(&client->dev, &dev_attr_in##offset##_max); \
+} while (0)
+
+/* 3 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
+                DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+                DIV_FROM_REG(data->fan_div[nr])));
+}
+
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+}
+
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+                                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        u32 val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+        asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+                                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        unsigned long min;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+        int reg;
+        
+        down(&data->update_lock);
+
+        min = FAN_FROM_REG(data->fan_min[nr],
+                        DIV_FROM_REG(data->fan_div[nr]));
+        data->fan_div[nr] = DIV_TO_REG(val);
+
+        switch(nr) {
+        case 0: /* fan 1 */
+                reg = asb100_read_value(client, ASB100_REG_VID_FANDIV);
+                reg = (reg & 0xcf) | (data->fan_div[0] << 4);
+                asb100_write_value(client, ASB100_REG_VID_FANDIV, reg);
+                break;
+
+        case 1: /* fan 2 */
+                reg = asb100_read_value(client, ASB100_REG_VID_FANDIV);
+                reg = (reg & 0x3f) | (data->fan_div[1] << 6);
+                asb100_write_value(client, ASB100_REG_VID_FANDIV, reg);
+                break;
+
+        case 2: /* fan 3 */
+                reg = asb100_read_value(client, ASB100_REG_PIN);
+                reg = (reg & 0x3f) | (data->fan_div[2] << 6);
+                asb100_write_value(client, ASB100_REG_PIN, reg);
+                break;
+        }
+
+        data->fan_min[nr] =
+                FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        asb100_write_value(client, ASB100_REG_FAN_MIN(nr), data->fan_min[nr]);
+
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define sysfs_fan(offset) \
+static ssize_t show_fan##offset(struct device *dev, char *buf) \
+{ \
+        return show_fan(dev, buf, offset - 1); \
+} \
+static ssize_t show_fan##offset##_min(struct device *dev, char *buf) \
+{ \
+        return show_fan_min(dev, buf, offset - 1); \
+} \
+static ssize_t show_fan##offset##_div(struct device *dev, char *buf) \
+{ \
+        return show_fan_div(dev, buf, offset - 1); \
+} \
+static ssize_t set_fan##offset##_min(struct device *dev, const char *buf, \
+                                        size_t count) \
+{ \
+        return set_fan_min(dev, buf, count, offset - 1); \
+} \
+static ssize_t set_fan##offset##_div(struct device *dev, const char *buf, \
+                                        size_t count) \
+{ \
+        return set_fan_div(dev, buf, count, offset - 1); \
+} \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+                show_fan##offset, NULL); \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+                show_fan##offset##_min, set_fan##offset##_min); \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+                show_fan##offset##_div, set_fan##offset##_div);
+
+sysfs_fan(1);
+sysfs_fan(2);
+sysfs_fan(3);
+
+#define device_create_file_fan(client, offset) do { \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
+} while (0)
+
+/* 4 Temp. Sensors */
+static int sprintf_temp_from_reg(u16 reg, char *buf, int nr)
+{
+        int ret = 0;
+
+        switch (nr) {
+        case 1: case 2:
+                ret = sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(reg));
+                break;
+        case 0: case 3: default:
+                ret = sprintf(buf, "%d\n", TEMP_FROM_REG(reg));
+                break;
+        }
+        return ret;
+}
+                        
+#define show_temp_reg(reg) \
+static ssize_t show_##reg(struct device *dev, char *buf, int nr) \
+{ \
+        struct asb100_data *data = asb100_update_device(dev); \
+        return sprintf_temp_from_reg(data->reg[nr], buf, nr); \
+}
+
+show_temp_reg(temp);
+show_temp_reg(temp_max);
+show_temp_reg(temp_hyst);
+
+#define set_temp_reg(REG, reg) \
+static ssize_t set_##reg(struct device *dev, const char *buf, \
+                        size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct asb100_data *data = i2c_get_clientdata(client); \
+        unsigned long val = simple_strtoul(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        switch (nr) { \
+        case 1: case 2: \
+                data->reg[nr] = LM75_TEMP_TO_REG(val); \
+                break; \
+        case 0: case 3: default: \
+                data->reg[nr] = TEMP_TO_REG(val); \
+                break; \
+        } \
+        asb100_write_value(client, ASB100_REG_TEMP_##REG(nr+1), \
+                        data->reg[nr]); \
+        up(&data->update_lock); \
+        return count; \
+}
+
+set_temp_reg(MAX, temp_max);
+set_temp_reg(HYST, temp_hyst);
+
+#define sysfs_temp(num) \
+static ssize_t show_temp##num(struct device *dev, char *buf) \
+{ \
+        return show_temp(dev, buf, num-1); \
+} \
+static DEVICE_ATTR(temp##num##_input, S_IRUGO, show_temp##num, NULL); \
+static ssize_t show_temp_max##num(struct device *dev, char *buf) \
+{ \
+        return show_temp_max(dev, buf, num-1); \
+} \
+static ssize_t set_temp_max##num(struct device *dev, const char *buf, \
+                                        size_t count) \
+{ \
+        return set_temp_max(dev, buf, count, num-1); \
+} \
+static DEVICE_ATTR(temp##num##_max, S_IRUGO | S_IWUSR, \
+                show_temp_max##num, set_temp_max##num); \
+static ssize_t show_temp_hyst##num(struct device *dev, char *buf) \
+{ \
+        return show_temp_hyst(dev, buf, num-1); \
+} \
+static ssize_t set_temp_hyst##num(struct device *dev, const char *buf, \
+                                        size_t count) \
+{ \
+        return set_temp_hyst(dev, buf, count, num-1); \
+} \
+static DEVICE_ATTR(temp##num##_max_hyst, S_IRUGO | S_IWUSR, \
+                show_temp_hyst##num, set_temp_hyst##num);
+
+sysfs_temp(1);
+sysfs_temp(2);
+sysfs_temp(3);
+sysfs_temp(4);
+
+/* VID */
+#define device_create_file_temp(client, num) do { \
+        device_create_file(&client->dev, &dev_attr_temp##num##_input); \
+        device_create_file(&client->dev, &dev_attr_temp##num##_max); \
+        device_create_file(&client->dev, &dev_attr_temp##num##_max_hyst); \
+} while (0)
+
+static ssize_t show_vid(struct device *dev, char *buf)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
+}
+
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+#define device_create_file_vid(client) \
+device_create_file(&client->dev, &dev_attr_cpu0_vid)
+
+/* VRM */
+static ssize_t show_vrm(struct device *dev, char *buf)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", data->vrm);
+}
+
+static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+        data->vrm = val;
+        return count;
+}
+
+/* Alarms */
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+#define device_create_file_vrm(client) \
+device_create_file(&client->dev, &dev_attr_vrm);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->alarms));
+}
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+#define device_create_file_alarms(client) \
+device_create_file(&client->dev, &dev_attr_alarms)
+
+/* 1 PWM */
+static ssize_t show_pwm1(struct device *dev, char *buf)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", ASB100_PWM_FROM_REG(data->pwm & 0x0f));
+}
+
+static ssize_t set_pwm1(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->pwm &= 0x80; /* keep the enable bit */
+        data->pwm |= (0x0f & ASB100_PWM_TO_REG(val));
+        asb100_write_value(client, ASB100_REG_PWM1, data->pwm);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_pwm_enable1(struct device *dev, char *buf)
+{
+        struct asb100_data *data = asb100_update_device(dev);
+        return sprintf(buf, "%d\n", (data->pwm & 0x80) ? 1 : 0);
+}
+
+static ssize_t set_pwm_enable1(struct device *dev, const char *buf,
+                                size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->pwm &= 0x0f; /* keep the duty cycle bits */
+        data->pwm |= (val ? 0x80 : 0x00);
+        asb100_write_value(client, ASB100_REG_PWM1, data->pwm);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(pwm1, S_IRUGO | S_IWUSR, show_pwm1, set_pwm1);
+static DEVICE_ATTR(pwm1_enable, S_IRUGO | S_IWUSR,
+                show_pwm_enable1, set_pwm_enable1);
+#define device_create_file_pwm1(client) do { \
+        device_create_file(&new_client->dev, &dev_attr_pwm1); \
+        device_create_file(&new_client->dev, &dev_attr_pwm1_enable); \
+} while (0)
+
+/* This function is called when:
+        asb100_driver is inserted (when this module is loaded), for each
+                available adapter
+        when a new adapter is inserted (and asb100_driver is still present)
+ */
+static int asb100_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, asb100_detect);
+}
+
+static int asb100_detect_subclients(struct i2c_adapter *adapter, int address,
+                int kind, struct i2c_client *new_client)
+{
+        int i, id, err;
+        struct asb100_data *data = i2c_get_clientdata(new_client);
+
+        data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        if (!(data->lm75[0])) {
+                err = -ENOMEM;
+                goto ERROR_SC_0;
+        }
+        memset(data->lm75[0], 0x00, sizeof(struct i2c_client));
+
+        data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        if (!(data->lm75[1])) {
+                err = -ENOMEM;
+                goto ERROR_SC_1;
+        }
+        memset(data->lm75[1], 0x00, sizeof(struct i2c_client));
+
+        id = i2c_adapter_id(adapter);
+
+        if (force_subclients[0] == id && force_subclients[1] == address) {
+                for (i = 2; i <= 3; i++) {
+                        if (force_subclients[i] < 0x48 ||
+                            force_subclients[i] > 0x4f) {
+                                dev_err(&new_client->dev, "invalid subclient "
+                                        "address %d; must be 0x48-0x4f\n",
+                                        force_subclients[i]);
+                                err = -ENODEV;
+                                goto ERROR_SC_2;
+                        }
+                }
+                asb100_write_value(new_client, ASB100_REG_I2C_SUBADDR,
+                                        (force_subclients[2] & 0x07) |
+                                        ((force_subclients[3] & 0x07) <<4));
+                data->lm75[0]->addr = force_subclients[2];
+                data->lm75[1]->addr = force_subclients[3];
+        } else {
+                int val = asb100_read_value(new_client, ASB100_REG_I2C_SUBADDR);
+                data->lm75[0]->addr = 0x48 + (val & 0x07);
+                data->lm75[1]->addr = 0x48 + ((val >> 4) & 0x07);
+        }
+
+        if(data->lm75[0]->addr == data->lm75[1]->addr) {
+                dev_err(&new_client->dev, "duplicate addresses 0x%x "
+                                "for subclients\n", data->lm75[0]->addr);
+                err = -ENODEV;
+                goto ERROR_SC_2;
+        }
+
+        for (i = 0; i <= 1; i++) {
+                i2c_set_clientdata(data->lm75[i], NULL);
+                data->lm75[i]->adapter = adapter;
+                data->lm75[i]->driver = &asb100_driver;
+                data->lm75[i]->flags = 0;
+                strlcpy(data->lm75[i]->name, "asb100 subclient", I2C_NAME_SIZE);
+        }
+
+        if ((err = i2c_attach_client(data->lm75[0]))) {
+                dev_err(&new_client->dev, "subclient %d registration "
+                        "at address 0x%x failed.\n", i, data->lm75[0]->addr);
+                goto ERROR_SC_2;
+        }
+
+        if ((err = i2c_attach_client(data->lm75[1]))) {
+                dev_err(&new_client->dev, "subclient %d registration "
+                        "at address 0x%x failed.\n", i, data->lm75[1]->addr);
+                goto ERROR_SC_3;
+        }
+
+        return 0;
+
+/* Undo inits in case of errors */
+ERROR_SC_3:
+        i2c_detach_client(data->lm75[0]);
+ERROR_SC_2:
+        kfree(data->lm75[1]);
+ERROR_SC_1:
+        kfree(data->lm75[0]);
+ERROR_SC_0:
+        return err;
+}
+
+static int asb100_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int err;
+        struct i2c_client *new_client;
+        struct asb100_data *data;
+
+        /* asb100 is SMBus only */
+        if (i2c_is_isa_adapter(adapter)) {
+                pr_debug("asb100.o: detect failed, "
+                                "cannot attach to legacy adapter!\n");
+                err = -ENODEV;
+                goto ERROR0;
+        }
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+                pr_debug("asb100.o: detect failed, "
+                                "smbus byte data not supported!\n");
+                err = -ENODEV;
+                goto ERROR0;
+        }
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access asb100_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct asb100_data), GFP_KERNEL))) {
+                pr_debug("asb100.o: detect failed, kmalloc failed!\n");
+                err = -ENOMEM;
+                goto ERROR0;
+        }
+        memset(data, 0, sizeof(struct asb100_data));
+
+        new_client = &data->client;
+        init_MUTEX(&data->lock);
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &asb100_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        /* The chip may be stuck in some other bank than bank 0. This may
+           make reading other information impossible. Specify a force=... or
+           force_*=... parameter, and the chip will be reset to the right
+           bank. */
+        if (kind < 0) {
+
+                int val1 = asb100_read_value(new_client, ASB100_REG_BANK);
+                int val2 = asb100_read_value(new_client, ASB100_REG_CHIPMAN);
+
+                /* If we're in bank 0 */
+                if ( (!(val1 & 0x07)) &&
+                                /* Check for ASB100 ID (low byte) */
+                                ( ((!(val1 & 0x80)) && (val2 != 0x94)) ||
+                                /* Check for ASB100 ID (high byte ) */
+                                ((val1 & 0x80) && (val2 != 0x06)) ) ) {
+                        pr_debug("asb100.o: detect failed, "
+                                        "bad chip id 0x%02x!\n", val2);
+                        err = -ENODEV;
+                        goto ERROR1;
+                }
+
+        } /* kind < 0 */
+
+        /* We have either had a force parameter, or we have already detected
+           Winbond. Put it now into bank 0 and Vendor ID High Byte */
+        asb100_write_value(new_client, ASB100_REG_BANK,
+                (asb100_read_value(new_client, ASB100_REG_BANK) & 0x78) | 0x80);
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                int val1 = asb100_read_value(new_client, ASB100_REG_WCHIPID);
+                int val2 = asb100_read_value(new_client, ASB100_REG_CHIPMAN);
+
+                if ((val1 == 0x31) && (val2 == 0x06))
+                        kind = asb100;
+                else {
+                        if (kind == 0)
+                                dev_warn(&new_client->dev, "ignoring "
+                                        "'force' parameter for unknown chip "
+                                        "at adapter %d, address 0x%02x.\n",
+                                        i2c_adapter_id(adapter), address);
+                        err = -ENODEV;
+                        goto ERROR1;
+                }
+        }
+
+        /* Fill in remaining client fields and put it into the global list */
+        strlcpy(new_client->name, "asb100", I2C_NAME_SIZE);
+        data->type = kind;
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR1;
+
+        /* Attach secondary lm75 clients */
+        if ((err = asb100_detect_subclients(adapter, address, kind,
+                        new_client)))
+                goto ERROR2;
+
+        /* Initialize the chip */
+        asb100_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        data->fan_min[0] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(0));
+        data->fan_min[1] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(1));
+        data->fan_min[2] = asb100_read_value(new_client, ASB100_REG_FAN_MIN(2));
+
+        /* Register sysfs hooks */
+        device_create_file_in(new_client, 0);
+        device_create_file_in(new_client, 1);
+        device_create_file_in(new_client, 2);
+        device_create_file_in(new_client, 3);
+        device_create_file_in(new_client, 4);
+        device_create_file_in(new_client, 5);
+        device_create_file_in(new_client, 6);
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        device_create_file_fan(new_client, 3);
+
+        device_create_file_temp(new_client, 1);
+        device_create_file_temp(new_client, 2);
+        device_create_file_temp(new_client, 3);
+        device_create_file_temp(new_client, 4);
+
+        device_create_file_vid(new_client);
+        device_create_file_vrm(new_client);
+
+        device_create_file_alarms(new_client);
+
+        device_create_file_pwm1(new_client);
+
+        return 0;
+
+ERROR2:
+        i2c_detach_client(new_client);
+ERROR1:
+        kfree(data);
+ERROR0:
+        return err;
+}
+
+static int asb100_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "client deregistration failed; "
+                        "client not detached.\n");
+                return err;
+        }
+
+        if (i2c_get_clientdata(client)==NULL) {
+                /* subclients */
+                kfree(client);
+        } else {
+                /* main client */
+                kfree(i2c_get_clientdata(client));
+        }
+
+        return 0;
+}
+
+/* The SMBus locks itself, usually, but nothing may access the chip between
+   bank switches. */
+static int asb100_read_value(struct i2c_client *client, u16 reg)
+{
+        struct asb100_data *data = i2c_get_clientdata(client);
+        struct i2c_client *cl;
+        int res, bank;
+
+        down(&data->lock);
+
+        bank = (reg >> 8) & 0x0f;
+        if (bank > 2)
+                /* switch banks */
+                i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank);
+
+        if (bank == 0 || bank > 2) {
+                res = i2c_smbus_read_byte_data(client, reg & 0xff);
+        } else {
+                /* switch to subclient */
+                cl = data->lm75[bank - 1];
+
+                /* convert from ISA to LM75 I2C addresses */
+                switch (reg & 0xff) {
+                case 0x50: /* TEMP */
+                        res = swab16(i2c_smbus_read_word_data (cl, 0));
+                        break;
+                case 0x52: /* CONFIG */
+                        res = i2c_smbus_read_byte_data(cl, 1);
+                        break;
+                case 0x53: /* HYST */
+                        res = swab16(i2c_smbus_read_word_data (cl, 2));
+                        break;
+                case 0x55: /* MAX */
+                default:
+                        res = swab16(i2c_smbus_read_word_data (cl, 3));
+                        break;
+                }
+        }
+
+        if (bank > 2)
+                i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);
+
+        up(&data->lock);
+
+        return res;
+}
+
+static void asb100_write_value(struct i2c_client *client, u16 reg, u16 value)
+{
+        struct asb100_data *data = i2c_get_clientdata(client);
+        struct i2c_client *cl;
+        int bank;
+
+        down(&data->lock);
+
+        bank = (reg >> 8) & 0x0f;
+        if (bank > 2)
+                /* switch banks */
+                i2c_smbus_write_byte_data(client, ASB100_REG_BANK, bank);
+
+        if (bank == 0 || bank > 2) {
+                i2c_smbus_write_byte_data(client, reg & 0xff, value & 0xff);
+        } else {
+                /* switch to subclient */
+                cl = data->lm75[bank - 1];
+
+                /* convert from ISA to LM75 I2C addresses */
+                switch (reg & 0xff) {
+                case 0x52: /* CONFIG */
+                        i2c_smbus_write_byte_data(cl, 1, value & 0xff);
+                        break;
+                case 0x53: /* HYST */
+                        i2c_smbus_write_word_data(cl, 2, swab16(value));
+                        break;
+                case 0x55: /* MAX */
+                        i2c_smbus_write_word_data(cl, 3, swab16(value));
+                        break;
+                }
+        }
+
+        if (bank > 2)
+                i2c_smbus_write_byte_data(client, ASB100_REG_BANK, 0);
+
+        up(&data->lock);
+}
+
+static void asb100_init_client(struct i2c_client *client)
+{
+        struct asb100_data *data = i2c_get_clientdata(client);
+        int vid = 0;
+
+        vid = asb100_read_value(client, ASB100_REG_VID_FANDIV) & 0x0f;
+        vid |= (asb100_read_value(client, ASB100_REG_CHIPID) & 0x01) << 4;
+        data->vrm = i2c_which_vrm();
+        vid = vid_from_reg(vid, data->vrm);
+
+        /* Start monitoring */
+        asb100_write_value(client, ASB100_REG_CONFIG, 
+                (asb100_read_value(client, ASB100_REG_CONFIG) & 0xf7) | 0x01);
+}
+
+static struct asb100_data *asb100_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct asb100_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+                || !data->valid) {
+
+                dev_dbg(&client->dev, "starting device update...\n");
+
+                /* 7 voltage inputs */
+                for (i = 0; i < 7; i++) {
+                        data->in[i] = asb100_read_value(client,
+                                ASB100_REG_IN(i));
+                        data->in_min[i] = asb100_read_value(client,
+                                ASB100_REG_IN_MIN(i));
+                        data->in_max[i] = asb100_read_value(client,
+                                ASB100_REG_IN_MAX(i));
+                }
+
+                /* 3 fan inputs */
+                for (i = 0; i < 3; i++) {
+                        data->fan[i] = asb100_read_value(client,
+                                        ASB100_REG_FAN(i));
+                        data->fan_min[i] = asb100_read_value(client,
+                                        ASB100_REG_FAN_MIN(i));
+                }
+
+                /* 4 temperature inputs */
+                for (i = 1; i <= 4; i++) {
+                        data->temp[i-1] = asb100_read_value(client,
+                                        ASB100_REG_TEMP(i));
+                        data->temp_max[i-1] = asb100_read_value(client,
+                                        ASB100_REG_TEMP_MAX(i));
+                        data->temp_hyst[i-1] = asb100_read_value(client,
+                                        ASB100_REG_TEMP_HYST(i));
+                }
+
+                /* VID and fan divisors */
+                i = asb100_read_value(client, ASB100_REG_VID_FANDIV);
+                data->vid = i & 0x0f;
+                data->vid |= (asb100_read_value(client,
+                                ASB100_REG_CHIPID) & 0x01) << 4;
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = (i >> 6) & 0x03;
+                data->fan_div[2] = (asb100_read_value(client,
+                                ASB100_REG_PIN) >> 6) & 0x03;
+
+                /* PWM */
+                data->pwm = asb100_read_value(client, ASB100_REG_PWM1);
+
+                /* alarms */
+                data->alarms = asb100_read_value(client, ASB100_REG_ALARM1) +
+                        (asb100_read_value(client, ASB100_REG_ALARM2) << 8);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+
+                dev_dbg(&client->dev, "... device update complete\n");
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init asb100_init(void)
+{
+        return i2c_add_driver(&asb100_driver);
+}
+
+static void __exit asb100_exit(void)
+{
+        i2c_del_driver(&asb100_driver);
+}
+
+MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
+MODULE_DESCRIPTION("ASB100 Bach driver");
+MODULE_LICENSE("GPL");
+
+module_init(asb100_init);
+module_exit(asb100_exit);
+
diff --git a/drivers/i2c/chips/ds1337.c b/drivers/i2c/chips/ds1337.c
new file mode 100644
index 000000000000..07f16c3fb084
--- /dev/null
+++ b/drivers/i2c/chips/ds1337.c
@@ -0,0 +1,402 @@
+/*
+ *  linux/drivers/i2c/chips/ds1337.c
+ *
+ *  Copyright (C) 2005 James Chapman <jchapman@katalix.com>
+ *
+ *      based on linux/drivers/acron/char/pcf8583.c
+ *  Copyright (C) 2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Driver for Dallas Semiconductor DS1337 real time clock chip
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/string.h>
+#include <linux/rtc.h>          /* get the user-level API */
+#include <linux/bcd.h>
+#include <linux/list.h>
+
+/* Device registers */
+#define DS1337_REG_HOUR         2
+#define DS1337_REG_DAY          3
+#define DS1337_REG_DATE         4
+#define DS1337_REG_MONTH        5
+#define DS1337_REG_CONTROL      14
+#define DS1337_REG_STATUS       15
+
+/* FIXME - how do we export these interface constants? */
+#define DS1337_GET_DATE         0
+#define DS1337_SET_DATE         1
+
+/*
+ * Functions declaration
+ */
+static unsigned short normal_i2c[] = { 0x68, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+SENSORS_INSMOD_1(ds1337);
+
+static int ds1337_attach_adapter(struct i2c_adapter *adapter);
+static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind);
+static void ds1337_init_client(struct i2c_client *client);
+static int ds1337_detach_client(struct i2c_client *client);
+static int ds1337_command(struct i2c_client *client, unsigned int cmd,
+                          void *arg);
+
+/*
+ * Driver data (common to all clients)
+ */
+static struct i2c_driver ds1337_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "ds1337",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = ds1337_attach_adapter,
+        .detach_client  = ds1337_detach_client,
+        .command        = ds1337_command,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+struct ds1337_data {
+        struct i2c_client client;
+        struct list_head list;
+        int id;
+};
+
+/*
+ * Internal variables
+ */
+static int ds1337_id;
+static LIST_HEAD(ds1337_clients);
+
+static inline int ds1337_read(struct i2c_client *client, u8 reg, u8 *value)
+{
+        s32 tmp = i2c_smbus_read_byte_data(client, reg);
+
+        if (tmp < 0)
+                return -EIO;
+
+        *value = tmp;
+
+        return 0;
+}
+
+/*
+ * Chip access functions
+ */
+static int ds1337_get_datetime(struct i2c_client *client, struct rtc_time *dt)
+{
+        struct ds1337_data *data = i2c_get_clientdata(client);
+        int result;
+        u8 buf[7];
+        u8 val;
+        struct i2c_msg msg[2];
+        u8 offs = 0;
+
+        if (!dt) {
+                dev_dbg(&client->adapter->dev, "%s: EINVAL: dt=NULL\n",
+                        __FUNCTION__);
+
+                return -EINVAL;
+        }
+
+        msg[0].addr = client->addr;
+        msg[0].flags = 0;
+        msg[0].len = 1;
+        msg[0].buf = &offs;
+
+        msg[1].addr = client->addr;
+        msg[1].flags = I2C_M_RD;
+        msg[1].len = sizeof(buf);
+        msg[1].buf = &buf[0];
+
+        result = client->adapter->algo->master_xfer(client->adapter,
+                                                    &msg[0], 2);
+
+        dev_dbg(&client->adapter->dev,
+                "%s: [%d] %02x %02x %02x %02x %02x %02x %02x\n",
+                __FUNCTION__, result, buf[0], buf[1], buf[2], buf[3],
+                buf[4], buf[5], buf[6]);
+
+        if (result >= 0) {
+                dt->tm_sec = BCD_TO_BIN(buf[0]);
+                dt->tm_min = BCD_TO_BIN(buf[1]);
+                val = buf[2] & 0x3f;
+                dt->tm_hour = BCD_TO_BIN(val);
+                dt->tm_wday = BCD_TO_BIN(buf[3]) - 1;
+                dt->tm_mday = BCD_TO_BIN(buf[4]);
+                val = buf[5] & 0x7f;
+                dt->tm_mon = BCD_TO_BIN(val);
+                dt->tm_year = 1900 + BCD_TO_BIN(buf[6]);
+                if (buf[5] & 0x80)
+                        dt->tm_year += 100;
+
+                dev_dbg(&client->adapter->dev, "%s: secs=%d, mins=%d, "
+                        "hours=%d, mday=%d, mon=%d, year=%d, wday=%d\n",
+                        __FUNCTION__, dt->tm_sec, dt->tm_min,
+                        dt->tm_hour, dt->tm_mday,
+                        dt->tm_mon, dt->tm_year, dt->tm_wday);
+        } else {
+                dev_err(&client->adapter->dev, "ds1337[%d]: error reading "
+                        "data! %d\n", data->id, result);
+                result = -EIO;
+        }
+
+        return result;
+}
+
+static int ds1337_set_datetime(struct i2c_client *client, struct rtc_time *dt)
+{
+        struct ds1337_data *data = i2c_get_clientdata(client);
+        int result;
+        u8 buf[8];
+        u8 val;
+        struct i2c_msg msg[1];
+
+        if (!dt) {
+                dev_dbg(&client->adapter->dev, "%s: EINVAL: dt=NULL\n",
+                        __FUNCTION__);
+
+                return -EINVAL;
+        }
+
+        dev_dbg(&client->adapter->dev, "%s: secs=%d, mins=%d, hours=%d, "
+                "mday=%d, mon=%d, year=%d, wday=%d\n", __FUNCTION__,
+                dt->tm_sec, dt->tm_min, dt->tm_hour,
+                dt->tm_mday, dt->tm_mon, dt->tm_year, dt->tm_wday);
+
+        buf[0] = 0;             /* reg offset */
+        buf[1] = BIN_TO_BCD(dt->tm_sec);
+        buf[2] = BIN_TO_BCD(dt->tm_min);
+        buf[3] = BIN_TO_BCD(dt->tm_hour) | (1 << 6);
+        buf[4] = BIN_TO_BCD(dt->tm_wday) + 1;
+        buf[5] = BIN_TO_BCD(dt->tm_mday);
+        buf[6] = BIN_TO_BCD(dt->tm_mon);
+        if (dt->tm_year >= 2000) {
+                val = dt->tm_year - 2000;
+                buf[6] |= (1 << 7);
+        } else {
+                val = dt->tm_year - 1900;
+        }
+        buf[7] = BIN_TO_BCD(val);
+
+        msg[0].addr = client->addr;
+        msg[0].flags = 0;
+        msg[0].len = sizeof(buf);
+        msg[0].buf = &buf[0];
+
+        result = client->adapter->algo->master_xfer(client->adapter,
+                                                    &msg[0], 1);
+        if (result < 0) {
+                dev_err(&client->adapter->dev, "ds1337[%d]: error "
+                        "writing data! %d\n", data->id, result);
+                result = -EIO;
+        } else {
+                result = 0;
+        }
+
+        return result;
+}
+
+static int ds1337_command(struct i2c_client *client, unsigned int cmd,
+                          void *arg)
+{
+        dev_dbg(&client->adapter->dev, "%s: cmd=%d\n", __FUNCTION__, cmd);
+
+        switch (cmd) {
+        case DS1337_GET_DATE:
+                return ds1337_get_datetime(client, arg);
+
+        case DS1337_SET_DATE:
+                return ds1337_set_datetime(client, arg);
+
+        default:
+                return -EINVAL;
+        }
+}
+
+/*
+ * Public API for access to specific device. Useful for low-level
+ * RTC access from kernel code.
+ */
+int ds1337_do_command(int id, int cmd, void *arg)
+{
+        struct list_head *walk;
+        struct list_head *tmp;
+        struct ds1337_data *data;
+
+        list_for_each_safe(walk, tmp, &ds1337_clients) {
+                data = list_entry(walk, struct ds1337_data, list);
+                if (data->id == id)
+                        return ds1337_command(&data->client, cmd, arg);
+        }
+
+        return -ENODEV;
+}
+
+static int ds1337_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, ds1337_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int ds1337_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct ds1337_data *data;
+        int err = 0;
+        const char *name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+                                     I2C_FUNC_I2C))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct ds1337_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct ds1337_data));
+        INIT_LIST_HEAD(&data->list);
+
+        /* The common I2C client data is placed right before the
+         * DS1337-specific data. 
+         */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &ds1337_driver;
+        new_client->flags = 0;
+
+        /*
+         * Now we do the remaining detection. A negative kind means that
+         * the driver was loaded with no force parameter (default), so we
+         * must both detect and identify the chip. A zero kind means that
+         * the driver was loaded with the force parameter, the detection
+         * step shall be skipped. A positive kind means that the driver
+         * was loaded with the force parameter and a given kind of chip is
+         * requested, so both the detection and the identification steps
+         * are skipped.
+         *
+         * For detection, we read registers that are most likely to cause
+         * detection failure, i.e. those that have more bits with fixed
+         * or reserved values.
+         */
+
+        /* Default to an DS1337 if forced */
+        if (kind == 0)
+                kind = ds1337;
+
+        if (kind < 0) {         /* detection and identification */
+                u8 data;
+
+                /* Check that status register bits 6-2 are zero */
+                if ((ds1337_read(new_client, DS1337_REG_STATUS, &data) < 0) ||
+                    (data & 0x7c))
+                        goto exit_free;
+
+                /* Check for a valid day register value */
+                if ((ds1337_read(new_client, DS1337_REG_DAY, &data) < 0) ||
+                    (data == 0) || (data & 0xf8))
+                        goto exit_free;
+
+                /* Check for a valid date register value */
+                if ((ds1337_read(new_client, DS1337_REG_DATE, &data) < 0) ||
+                    (data == 0) || (data & 0xc0) || ((data & 0x0f) > 9) ||
+                    (data >= 0x32))
+                        goto exit_free;
+
+                /* Check for a valid month register value */
+                if ((ds1337_read(new_client, DS1337_REG_MONTH, &data) < 0) ||
+                    (data == 0) || (data & 0x60) || ((data & 0x0f) > 9) ||
+                    ((data >= 0x13) && (data <= 0x19)))
+                        goto exit_free;
+
+                /* Check that control register bits 6-5 are zero */
+                if ((ds1337_read(new_client, DS1337_REG_CONTROL, &data) < 0) ||
+                    (data & 0x60))
+                        goto exit_free;
+
+                kind = ds1337;
+        }
+
+        if (kind == ds1337)
+                name = "ds1337";
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the DS1337 chip */
+        ds1337_init_client(new_client);
+
+        /* Add client to local list */
+        data->id = ds1337_id++;
+        list_add(&data->list, &ds1337_clients);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static void ds1337_init_client(struct i2c_client *client)
+{
+        s32 val;
+
+        /* Ensure that device is set in 24-hour mode */
+        val = i2c_smbus_read_byte_data(client, DS1337_REG_HOUR);
+        if ((val >= 0) && (val & (1 << 6)) == 0)
+                i2c_smbus_write_byte_data(client, DS1337_REG_HOUR,
+                                          val | (1 << 6));
+}
+
+static int ds1337_detach_client(struct i2c_client *client)
+{
+        int err;
+        struct ds1337_data *data = i2c_get_clientdata(client);
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        list_del(&data->list);
+        kfree(data);
+        return 0;
+}
+
+static int __init ds1337_init(void)
+{
+        return i2c_add_driver(&ds1337_driver);
+}
+
+static void __exit ds1337_exit(void)
+{
+        i2c_del_driver(&ds1337_driver);
+}
+
+MODULE_AUTHOR("James Chapman <jchapman@katalix.com>");
+MODULE_DESCRIPTION("DS1337 RTC driver");
+MODULE_LICENSE("GPL");
+
+module_init(ds1337_init);
+module_exit(ds1337_exit);
diff --git a/drivers/i2c/chips/ds1621.c b/drivers/i2c/chips/ds1621.c
new file mode 100644
index 000000000000..bb1fefb2162e
--- /dev/null
+++ b/drivers/i2c/chips/ds1621.c
@@ -0,0 +1,341 @@
+/*
+    ds1621.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Christian W. Zuckschwerdt  <zany@triq.net>  2000-11-23
+    based on lm75.c by Frodo Looijaard <frodol@dds.nl>
+    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with 
+    the help of Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include "lm75.h"
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+                                        0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(ds1621);
+static int polarity = -1;
+module_param(polarity, int, 0);
+MODULE_PARM_DESC(polarity, "Output's polarity: 0 = active high, 1 = active low");
+
+/* Many DS1621 constants specified below */
+/* Config register used for detection         */
+/*  7    6    5    4    3    2    1    0      */
+/* |Done|THF |TLF |NVB | X  | X  |POL |1SHOT| */
+#define DS1621_REG_CONFIG_NVB           0x10
+#define DS1621_REG_CONFIG_POLARITY      0x02
+#define DS1621_REG_CONFIG_1SHOT         0x01
+#define DS1621_REG_CONFIG_DONE          0x80
+
+/* The DS1621 registers */
+#define DS1621_REG_TEMP                 0xAA /* word, RO */
+#define DS1621_REG_TEMP_MIN             0xA1 /* word, RW */
+#define DS1621_REG_TEMP_MAX             0xA2 /* word, RW */
+#define DS1621_REG_CONF                 0xAC /* byte, RW */
+#define DS1621_COM_START                0xEE /* no data */
+#define DS1621_COM_STOP                 0x22 /* no data */
+
+/* The DS1621 configuration register */
+#define DS1621_ALARM_TEMP_HIGH          0x40
+#define DS1621_ALARM_TEMP_LOW           0x20
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+   Fixing this is just not worth it. */
+#define ALARMS_FROM_REG(val) ((val) & \
+                              (DS1621_ALARM_TEMP_HIGH | DS1621_ALARM_TEMP_LOW))
+
+/* Each client has this additional data */
+struct ds1621_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid;                     /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u16 temp, temp_min, temp_max;   /* Register values, word */
+        u8 conf;                        /* Register encoding, combined */
+};
+
+static int ds1621_attach_adapter(struct i2c_adapter *adapter);
+static int ds1621_detect(struct i2c_adapter *adapter, int address,
+                         int kind);
+static void ds1621_init_client(struct i2c_client *client);
+static int ds1621_detach_client(struct i2c_client *client);
+static struct ds1621_data *ds1621_update_client(struct device *dev);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver ds1621_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "ds1621",
+        .id             = I2C_DRIVERID_DS1621,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = ds1621_attach_adapter,
+        .detach_client  = ds1621_detach_client,
+};
+
+/* All registers are word-sized, except for the configuration register.
+   DS1621 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int ds1621_read_value(struct i2c_client *client, u8 reg)
+{
+        if (reg == DS1621_REG_CONF)
+                return i2c_smbus_read_byte_data(client, reg);
+        else
+                return swab16(i2c_smbus_read_word_data(client, reg));
+}
+
+/* All registers are word-sized, except for the configuration register.
+   DS1621 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int ds1621_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if (reg == DS1621_REG_CONF)
+                return i2c_smbus_write_byte_data(client, reg, value);
+        else
+                return i2c_smbus_write_word_data(client, reg, swab16(value));
+}
+
+static void ds1621_init_client(struct i2c_client *client)
+{
+        int reg = ds1621_read_value(client, DS1621_REG_CONF);
+        /* switch to continous conversion mode */
+        reg &= ~ DS1621_REG_CONFIG_1SHOT;
+
+        /* setup output polarity */
+        if (polarity == 0)
+                reg &= ~DS1621_REG_CONFIG_POLARITY;
+        else if (polarity == 1)
+                reg |= DS1621_REG_CONFIG_POLARITY;
+        
+        ds1621_write_value(client, DS1621_REG_CONF, reg);
+        
+        /* start conversion */
+        i2c_smbus_write_byte(client, DS1621_COM_START);
+}
+
+#define show(value)                                                     \
+static ssize_t show_##value(struct device *dev, char *buf)              \
+{                                                                       \
+        struct ds1621_data *data = ds1621_update_client(dev);           \
+        return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->value));   \
+}
+
+show(temp);
+show(temp_min);
+show(temp_max);
+
+#define set_temp(suffix, value, reg)                                    \
+static ssize_t set_temp_##suffix(struct device *dev, const char *buf,   \
+                                 size_t count)                          \
+{                                                                       \
+        struct i2c_client *client = to_i2c_client(dev);                 \
+        struct ds1621_data *data = ds1621_update_client(dev);           \
+        u16 val = LM75_TEMP_TO_REG(simple_strtoul(buf, NULL, 10));      \
+                                                                        \
+        down(&data->update_lock);                                       \
+        data->value = val;                                              \
+        ds1621_write_value(client, reg, data->value);                   \
+        up(&data->update_lock);                                         \
+        return count;                                                   \
+}
+
+set_temp(min, temp_min, DS1621_REG_TEMP_MIN);
+set_temp(max, temp_max, DS1621_REG_TEMP_MAX);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct ds1621_data *data = ds1621_update_client(dev);
+        return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->conf));
+}
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static DEVICE_ATTR(temp1_input, S_IRUGO , show_temp, NULL);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO , show_temp_min, set_temp_min);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
+
+
+static int ds1621_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, ds1621_detect);
+}
+
+/* This function is called by i2c_detect */
+int ds1621_detect(struct i2c_adapter *adapter, int address,
+                  int kind)
+{
+        int conf, temp;
+        struct i2c_client *new_client;
+        struct ds1621_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA 
+                                     | I2C_FUNC_SMBUS_WORD_DATA 
+                                     | I2C_FUNC_SMBUS_WRITE_BYTE))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access ds1621_{read,write}_value. */
+        if (!(data = kmalloc(sizeof(struct ds1621_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct ds1621_data));
+        
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &ds1621_driver;
+        new_client->flags = 0;
+
+
+        /* Now, we do the remaining detection. It is lousy. */
+        if (kind < 0) {
+                /* The NVB bit should be low if no EEPROM write has been 
+                   requested during the latest 10ms, which is highly 
+                   improbable in our case. */
+                conf = ds1621_read_value(new_client, DS1621_REG_CONF);
+                if (conf & DS1621_REG_CONFIG_NVB)
+                        goto exit_free;
+                /* The 7 lowest bits of a temperature should always be 0. */
+                temp = ds1621_read_value(new_client, DS1621_REG_TEMP);
+                if (temp & 0x007f)
+                        goto exit_free;
+                temp = ds1621_read_value(new_client, DS1621_REG_TEMP_MIN);
+                if (temp & 0x007f)
+                        goto exit_free;
+                temp = ds1621_read_value(new_client, DS1621_REG_TEMP_MAX);
+                if (temp & 0x007f)
+                        goto exit_free;
+        }
+
+        /* Determine the chip type - only one kind supported! */
+        if (kind <= 0)
+                kind = ds1621;
+
+        /* Fill in remaining client fields and put it into the global list */
+        strlcpy(new_client->name, "ds1621", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the DS1621 chip */
+        ds1621_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        
+        return 0;
+
+/* OK, this is not exactly good programming practice, usually. But it is
+   very code-efficient in this case. */
+      exit_free:
+        kfree(data);
+      exit:
+        return err;
+}
+
+static int ds1621_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+
+static struct ds1621_data *ds1621_update_client(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct ds1621_data *data = i2c_get_clientdata(client);
+        u8 new_conf;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+
+                dev_dbg(&client->dev, "Starting ds1621 update\n");
+
+                data->conf = ds1621_read_value(client, DS1621_REG_CONF);
+
+                data->temp = ds1621_read_value(client, DS1621_REG_TEMP);
+                
+                data->temp_min = ds1621_read_value(client,
+                                                    DS1621_REG_TEMP_MIN);
+                data->temp_max = ds1621_read_value(client,
+                                                    DS1621_REG_TEMP_MAX);
+
+                /* reset alarms if neccessary */
+                new_conf = data->conf;
+                if (data->temp < data->temp_min)
+                        new_conf &= ~DS1621_ALARM_TEMP_LOW;
+                if (data->temp > data->temp_max)
+                        new_conf &= ~DS1621_ALARM_TEMP_HIGH;
+                if (data->conf != new_conf)
+                        ds1621_write_value(client, DS1621_REG_CONF,
+                                           new_conf);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init ds1621_init(void)
+{
+        return i2c_add_driver(&ds1621_driver);
+}
+
+static void __exit ds1621_exit(void)
+{
+        i2c_del_driver(&ds1621_driver);
+}
+
+
+MODULE_AUTHOR("Christian W. Zuckschwerdt <zany@triq.net>");
+MODULE_DESCRIPTION("DS1621 driver");
+MODULE_LICENSE("GPL");
+
+module_init(ds1621_init);
+module_exit(ds1621_exit);
diff --git a/drivers/i2c/chips/eeprom.c b/drivers/i2c/chips/eeprom.c
new file mode 100644
index 000000000000..cbdfa2db6f7c
--- /dev/null
+++ b/drivers/i2c/chips/eeprom.c
@@ -0,0 +1,264 @@
+/*
+    eeprom.c - Part of lm_sensors, Linux kernel modules for hardware
+               monitoring
+    Copyright (C) 1998, 1999  Frodo Looijaard <frodol@dds.nl> and
+                               Philip Edelbrock <phil@netroedge.com>
+    Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
+    Copyright (C) 2003 IBM Corp.
+
+    2004-01-16  Jean Delvare <khali@linux-fr.org>
+    Divide the eeprom in 32-byte (arbitrary) slices. This significantly
+    speeds sensors up, as well as various scripts using the eeprom
+    module.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x50, 0x51, 0x52, 0x53, 0x54,
+                                        0x55, 0x56, 0x57, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(eeprom);
+
+
+/* Size of EEPROM in bytes */
+#define EEPROM_SIZE             256
+
+/* possible types of eeprom devices */
+enum eeprom_nature {
+        UNKNOWN,
+        VAIO,
+};
+
+/* Each client has this additional data */
+struct eeprom_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        u8 valid;                       /* bitfield, bit!=0 if slice is valid */
+        unsigned long last_updated[8];  /* In jiffies, 8 slices */
+        u8 data[EEPROM_SIZE];           /* Register values */
+        enum eeprom_nature nature;
+};
+
+
+static int eeprom_attach_adapter(struct i2c_adapter *adapter);
+static int eeprom_detect(struct i2c_adapter *adapter, int address, int kind);
+static int eeprom_detach_client(struct i2c_client *client);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver eeprom_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "eeprom",
+        .id             = I2C_DRIVERID_EEPROM,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = eeprom_attach_adapter,
+        .detach_client  = eeprom_detach_client,
+};
+
+static void eeprom_update_client(struct i2c_client *client, u8 slice)
+{
+        struct eeprom_data *data = i2c_get_clientdata(client);
+        int i, j;
+
+        down(&data->update_lock);
+
+        if (!(data->valid & (1 << slice)) ||
+            time_after(jiffies, data->last_updated[slice] + 300 * HZ)) {
+                dev_dbg(&client->dev, "Starting eeprom update, slice %u\n", slice);
+
+                if (i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_READ_I2C_BLOCK)) {
+                        for (i = slice << 5; i < (slice + 1) << 5; i += I2C_SMBUS_I2C_BLOCK_MAX)
+                                if (i2c_smbus_read_i2c_block_data(client, i, data->data + i) != I2C_SMBUS_I2C_BLOCK_MAX)
+                                        goto exit;
+                } else {
+                        if (i2c_smbus_write_byte(client, slice << 5)) {
+                                dev_dbg(&client->dev, "eeprom read start has failed!\n");
+                                goto exit;
+                        }
+                        for (i = slice << 5; i < (slice + 1) << 5; i++) {
+                                j = i2c_smbus_read_byte(client);
+                                if (j < 0)
+                                        goto exit;
+                                data->data[i] = (u8) j;
+                        }
+                }
+                data->last_updated[slice] = jiffies;
+                data->valid |= (1 << slice);
+        }
+exit:
+        up(&data->update_lock);
+}
+
+static ssize_t eeprom_read(struct kobject *kobj, char *buf, loff_t off, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(container_of(kobj, struct device, kobj));
+        struct eeprom_data *data = i2c_get_clientdata(client);
+        u8 slice;
+
+        if (off > EEPROM_SIZE)
+                return 0;
+        if (off + count > EEPROM_SIZE)
+                count = EEPROM_SIZE - off;
+
+        /* Only refresh slices which contain requested bytes */
+        for (slice = off >> 5; slice <= (off + count - 1) >> 5; slice++)
+                eeprom_update_client(client, slice);
+
+        /* Hide Vaio security settings to regular users (16 first bytes) */
+        if (data->nature == VAIO && off < 16 && !capable(CAP_SYS_ADMIN)) {
+                size_t in_row1 = 16 - off;
+                in_row1 = min(in_row1, count);
+                memset(buf, 0, in_row1);
+                if (count - in_row1 > 0)
+                        memcpy(buf + in_row1, &data->data[16], count - in_row1);
+        } else {
+                memcpy(buf, &data->data[off], count);
+        }
+
+        return count;
+}
+
+static struct bin_attribute eeprom_attr = {
+        .attr = {
+                .name = "eeprom",
+                .mode = S_IRUGO,
+                .owner = THIS_MODULE,
+        },
+        .size = EEPROM_SIZE,
+        .read = eeprom_read,
+};
+
+static int eeprom_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, eeprom_detect);
+}
+
+/* This function is called by i2c_detect */
+int eeprom_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct eeprom_data *data;
+        int err = 0;
+
+        /* There are three ways we can read the EEPROM data:
+           (1) I2C block reads (faster, but unsupported by most adapters)
+           (2) Consecutive byte reads (100% overhead)
+           (3) Regular byte data reads (200% overhead)
+           The third method is not implemented by this driver because all
+           known adapters support at least the second. */
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA
+                                            | I2C_FUNC_SMBUS_BYTE))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access eeprom_{read,write}_value. */
+        if (!(data = kmalloc(sizeof(struct eeprom_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct eeprom_data));
+
+        new_client = &data->client;
+        memset(data->data, 0xff, EEPROM_SIZE);
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &eeprom_driver;
+        new_client->flags = 0;
+
+        /* prevent 24RF08 corruption */
+        i2c_smbus_write_quick(new_client, 0);
+
+        /* Fill in the remaining client fields */
+        strlcpy(new_client->name, "eeprom", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+        data->nature = UNKNOWN;
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_kfree;
+
+        /* Detect the Vaio nature of EEPROMs.
+           We use the "PCG-" prefix as the signature. */
+        if (address == 0x57) {
+                if (i2c_smbus_read_byte_data(new_client, 0x80) == 'P'
+                 && i2c_smbus_read_byte(new_client) == 'C'
+                 && i2c_smbus_read_byte(new_client) == 'G'
+                 && i2c_smbus_read_byte(new_client) == '-') {
+                        dev_info(&new_client->dev, "Vaio EEPROM detected, "
+                                "enabling password protection\n");
+                        data->nature = VAIO;
+                }
+        }
+
+        /* create the sysfs eeprom file */
+        sysfs_create_bin_file(&new_client->dev.kobj, &eeprom_attr);
+
+        return 0;
+
+exit_kfree:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int eeprom_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        err = i2c_detach_client(client);
+        if (err) {
+                dev_err(&client->dev, "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+static int __init eeprom_init(void)
+{
+        return i2c_add_driver(&eeprom_driver);
+}
+
+static void __exit eeprom_exit(void)
+{
+        i2c_del_driver(&eeprom_driver);
+}
+
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
+                "Philip Edelbrock <phil@netroedge.com> and "
+                "Greg Kroah-Hartman <greg@kroah.com>");
+MODULE_DESCRIPTION("I2C EEPROM driver");
+MODULE_LICENSE("GPL");
+
+module_init(eeprom_init);
+module_exit(eeprom_exit);
diff --git a/drivers/i2c/chips/fscher.c b/drivers/i2c/chips/fscher.c
new file mode 100644
index 000000000000..18e33ac59d0c
--- /dev/null
+++ b/drivers/i2c/chips/fscher.c
@@ -0,0 +1,692 @@
+/*
+ * fscher.c - Part of lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 2003, 2004 Reinhard Nissl <rnissl@gmx.de>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* 
+ *  fujitsu siemens hermes chip, 
+ *  module based on fscpos.c 
+ *  Copyright (C) 2000 Hermann Jung <hej@odn.de>
+ *  Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+ *  and Philip Edelbrock <phil@netroedge.com>
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/*
+ * Addresses to scan
+ */
+
+static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(fscher);
+
+/*
+ * The FSCHER registers
+ */
+
+/* chip identification */
+#define FSCHER_REG_IDENT_0              0x00
+#define FSCHER_REG_IDENT_1              0x01
+#define FSCHER_REG_IDENT_2              0x02
+#define FSCHER_REG_REVISION             0x03
+
+/* global control and status */
+#define FSCHER_REG_EVENT_STATE          0x04
+#define FSCHER_REG_CONTROL              0x05
+
+/* watchdog */
+#define FSCHER_REG_WDOG_PRESET          0x28
+#define FSCHER_REG_WDOG_STATE           0x23
+#define FSCHER_REG_WDOG_CONTROL         0x21
+
+/* fan 0 */
+#define FSCHER_REG_FAN0_MIN             0x55
+#define FSCHER_REG_FAN0_ACT             0x0e
+#define FSCHER_REG_FAN0_STATE           0x0d
+#define FSCHER_REG_FAN0_RIPPLE          0x0f
+
+/* fan 1 */
+#define FSCHER_REG_FAN1_MIN             0x65
+#define FSCHER_REG_FAN1_ACT             0x6b
+#define FSCHER_REG_FAN1_STATE           0x62
+#define FSCHER_REG_FAN1_RIPPLE          0x6f
+
+/* fan 2 */
+#define FSCHER_REG_FAN2_MIN             0xb5
+#define FSCHER_REG_FAN2_ACT             0xbb
+#define FSCHER_REG_FAN2_STATE           0xb2
+#define FSCHER_REG_FAN2_RIPPLE          0xbf
+
+/* voltage supervision */
+#define FSCHER_REG_VOLT_12              0x45
+#define FSCHER_REG_VOLT_5               0x42
+#define FSCHER_REG_VOLT_BATT            0x48
+
+/* temperature 0 */
+#define FSCHER_REG_TEMP0_ACT            0x64
+#define FSCHER_REG_TEMP0_STATE          0x71
+
+/* temperature 1 */
+#define FSCHER_REG_TEMP1_ACT            0x32
+#define FSCHER_REG_TEMP1_STATE          0x81
+
+/* temperature 2 */
+#define FSCHER_REG_TEMP2_ACT            0x35
+#define FSCHER_REG_TEMP2_STATE          0x91
+
+/*
+ * Functions declaration
+ */
+
+static int fscher_attach_adapter(struct i2c_adapter *adapter);
+static int fscher_detect(struct i2c_adapter *adapter, int address, int kind);
+static int fscher_detach_client(struct i2c_client *client);
+static struct fscher_data *fscher_update_device(struct device *dev);
+static void fscher_init_client(struct i2c_client *client);
+
+static int fscher_read_value(struct i2c_client *client, u8 reg);
+static int fscher_write_value(struct i2c_client *client, u8 reg, u8 value);
+
+/*
+ * Driver data (common to all clients)
+ */
+ 
+static struct i2c_driver fscher_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "fscher",
+        .id             = I2C_DRIVERID_FSCHER,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = fscher_attach_adapter,
+        .detach_client  = fscher_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct fscher_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* register values */
+        u8 revision;            /* revision of chip */
+        u8 global_event;        /* global event status */
+        u8 global_control;      /* global control register */
+        u8 watchdog[3];         /* watchdog */
+        u8 volt[3];             /* 12, 5, battery voltage */ 
+        u8 temp_act[3];         /* temperature */
+        u8 temp_status[3];      /* status of sensor */
+        u8 fan_act[3];          /* fans revolutions per second */
+        u8 fan_status[3];       /* fan status */
+        u8 fan_min[3];          /* fan min value for rps */
+        u8 fan_ripple[3];       /* divider for rps */
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define sysfs_r(kind, sub, offset, reg) \
+static ssize_t show_##kind##sub (struct fscher_data *, char *, int); \
+static ssize_t show_##kind##offset##sub (struct device *, char *); \
+static ssize_t show_##kind##offset##sub (struct device *dev, char *buf) \
+{ \
+        struct fscher_data *data = fscher_update_device(dev); \
+        return show_##kind##sub(data, buf, (offset)); \
+}
+
+#define sysfs_w(kind, sub, offset, reg) \
+static ssize_t set_##kind##sub (struct i2c_client *, struct fscher_data *, const char *, size_t, int, int); \
+static ssize_t set_##kind##offset##sub (struct device *, const char *, size_t); \
+static ssize_t set_##kind##offset##sub (struct device *dev, const char *buf, size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct fscher_data *data = i2c_get_clientdata(client); \
+        return set_##kind##sub(client, data, buf, count, (offset), reg); \
+}
+
+#define sysfs_rw_n(kind, sub, offset, reg) \
+sysfs_r(kind, sub, offset, reg) \
+sysfs_w(kind, sub, offset, reg) \
+static DEVICE_ATTR(kind##offset##sub, S_IRUGO | S_IWUSR, show_##kind##offset##sub, set_##kind##offset##sub);
+
+#define sysfs_rw(kind, sub, reg) \
+sysfs_r(kind, sub, 0, reg) \
+sysfs_w(kind, sub, 0, reg) \
+static DEVICE_ATTR(kind##sub, S_IRUGO | S_IWUSR, show_##kind##0##sub, set_##kind##0##sub);
+
+#define sysfs_ro_n(kind, sub, offset, reg) \
+sysfs_r(kind, sub, offset, reg) \
+static DEVICE_ATTR(kind##offset##sub, S_IRUGO, show_##kind##offset##sub, NULL);
+
+#define sysfs_ro(kind, sub, reg) \
+sysfs_r(kind, sub, 0, reg) \
+static DEVICE_ATTR(kind, S_IRUGO, show_##kind##0##sub, NULL);
+
+#define sysfs_fan(offset, reg_status, reg_min, reg_ripple, reg_act) \
+sysfs_rw_n(pwm,        , offset, reg_min) \
+sysfs_rw_n(fan, _status, offset, reg_status) \
+sysfs_rw_n(fan, _div   , offset, reg_ripple) \
+sysfs_ro_n(fan, _input , offset, reg_act)
+
+#define sysfs_temp(offset, reg_status, reg_act) \
+sysfs_rw_n(temp, _status, offset, reg_status) \
+sysfs_ro_n(temp, _input , offset, reg_act)
+    
+#define sysfs_in(offset, reg_act) \
+sysfs_ro_n(in, _input, offset, reg_act)
+
+#define sysfs_revision(reg_revision) \
+sysfs_ro(revision, , reg_revision)
+
+#define sysfs_alarms(reg_events) \
+sysfs_ro(alarms, , reg_events)
+
+#define sysfs_control(reg_control) \
+sysfs_rw(control, , reg_control)
+
+#define sysfs_watchdog(reg_control, reg_status, reg_preset) \
+sysfs_rw(watchdog, _control, reg_control) \
+sysfs_rw(watchdog, _status , reg_status) \
+sysfs_rw(watchdog, _preset , reg_preset)
+
+sysfs_fan(1, FSCHER_REG_FAN0_STATE, FSCHER_REG_FAN0_MIN,
+             FSCHER_REG_FAN0_RIPPLE, FSCHER_REG_FAN0_ACT)
+sysfs_fan(2, FSCHER_REG_FAN1_STATE, FSCHER_REG_FAN1_MIN,
+             FSCHER_REG_FAN1_RIPPLE, FSCHER_REG_FAN1_ACT)
+sysfs_fan(3, FSCHER_REG_FAN2_STATE, FSCHER_REG_FAN2_MIN,
+             FSCHER_REG_FAN2_RIPPLE, FSCHER_REG_FAN2_ACT)
+
+sysfs_temp(1, FSCHER_REG_TEMP0_STATE, FSCHER_REG_TEMP0_ACT)
+sysfs_temp(2, FSCHER_REG_TEMP1_STATE, FSCHER_REG_TEMP1_ACT)
+sysfs_temp(3, FSCHER_REG_TEMP2_STATE, FSCHER_REG_TEMP2_ACT)
+
+sysfs_in(0, FSCHER_REG_VOLT_12)
+sysfs_in(1, FSCHER_REG_VOLT_5)
+sysfs_in(2, FSCHER_REG_VOLT_BATT)
+
+sysfs_revision(FSCHER_REG_REVISION)
+sysfs_alarms(FSCHER_REG_EVENTS)
+sysfs_control(FSCHER_REG_CONTROL)
+sysfs_watchdog(FSCHER_REG_WDOG_CONTROL, FSCHER_REG_WDOG_STATE, FSCHER_REG_WDOG_PRESET)
+  
+#define device_create_file_fan(client, offset) \
+do { \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_status); \
+        device_create_file(&client->dev, &dev_attr_pwm##offset); \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
+        device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
+} while (0)
+
+#define device_create_file_temp(client, offset) \
+do { \
+        device_create_file(&client->dev, &dev_attr_temp##offset##_status); \
+        device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
+} while (0)
+
+#define device_create_file_in(client, offset) \
+do { \
+        device_create_file(&client->dev, &dev_attr_in##offset##_input); \
+} while (0)
+
+#define device_create_file_revision(client) \
+do { \
+        device_create_file(&client->dev, &dev_attr_revision); \
+} while (0)
+
+#define device_create_file_alarms(client) \
+do { \
+        device_create_file(&client->dev, &dev_attr_alarms); \
+} while (0)
+
+#define device_create_file_control(client) \
+do { \
+        device_create_file(&client->dev, &dev_attr_control); \
+} while (0)
+
+#define device_create_file_watchdog(client) \
+do { \
+        device_create_file(&client->dev, &dev_attr_watchdog_status); \
+        device_create_file(&client->dev, &dev_attr_watchdog_control); \
+        device_create_file(&client->dev, &dev_attr_watchdog_preset); \
+} while (0)
+  
+/*
+ * Real code
+ */
+
+static int fscher_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, fscher_detect);
+}
+
+static int fscher_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct fscher_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+         * client structure, even though we cannot fill it completely yet.
+         * But it allows us to access i2c_smbus_read_byte_data. */
+        if (!(data = kmalloc(sizeof(struct fscher_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct fscher_data));
+
+        /* The common I2C client data is placed right before the
+         * Hermes-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &fscher_driver;
+        new_client->flags = 0;
+
+        /* Do the remaining detection unless force or force_fscher parameter */
+        if (kind < 0) {
+                if ((i2c_smbus_read_byte_data(new_client,
+                     FSCHER_REG_IDENT_0) != 0x48)       /* 'H' */
+                 || (i2c_smbus_read_byte_data(new_client,
+                     FSCHER_REG_IDENT_1) != 0x45)       /* 'E' */
+                 || (i2c_smbus_read_byte_data(new_client,
+                     FSCHER_REG_IDENT_2) != 0x52))      /* 'R' */
+                        goto exit_free;
+        }
+
+        /* Fill in the remaining client fields and put it into the
+         * global list */
+        strlcpy(new_client->name, "fscher", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        fscher_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file_revision(new_client);
+        device_create_file_alarms(new_client);
+        device_create_file_control(new_client);
+        device_create_file_watchdog(new_client);
+
+        device_create_file_in(new_client, 0);
+        device_create_file_in(new_client, 1);
+        device_create_file_in(new_client, 2);
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        device_create_file_fan(new_client, 3);
+
+        device_create_file_temp(new_client, 1);
+        device_create_file_temp(new_client, 2);
+        device_create_file_temp(new_client, 3);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int fscher_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static int fscher_read_value(struct i2c_client *client, u8 reg)
+{
+        dev_dbg(&client->dev, "read reg 0x%02x\n", reg);
+
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int fscher_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        dev_dbg(&client->dev, "write reg 0x%02x, val 0x%02x\n",
+                reg, value);
+
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Called when we have found a new FSC Hermes. */
+static void fscher_init_client(struct i2c_client *client)
+{
+        struct fscher_data *data = i2c_get_clientdata(client);
+
+        /* Read revision from chip */
+        data->revision =  fscher_read_value(client, FSCHER_REG_REVISION);
+}
+
+static struct fscher_data *fscher_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct fscher_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
+
+                dev_dbg(&client->dev, "Starting fscher update\n");
+
+                data->temp_act[0] = fscher_read_value(client, FSCHER_REG_TEMP0_ACT);
+                data->temp_act[1] = fscher_read_value(client, FSCHER_REG_TEMP1_ACT);
+                data->temp_act[2] = fscher_read_value(client, FSCHER_REG_TEMP2_ACT);
+                data->temp_status[0] = fscher_read_value(client, FSCHER_REG_TEMP0_STATE);
+                data->temp_status[1] = fscher_read_value(client, FSCHER_REG_TEMP1_STATE);
+                data->temp_status[2] = fscher_read_value(client, FSCHER_REG_TEMP2_STATE);
+
+                data->volt[0] = fscher_read_value(client, FSCHER_REG_VOLT_12);
+                data->volt[1] = fscher_read_value(client, FSCHER_REG_VOLT_5);
+                data->volt[2] = fscher_read_value(client, FSCHER_REG_VOLT_BATT);
+
+                data->fan_act[0] = fscher_read_value(client, FSCHER_REG_FAN0_ACT);
+                data->fan_act[1] = fscher_read_value(client, FSCHER_REG_FAN1_ACT);
+                data->fan_act[2] = fscher_read_value(client, FSCHER_REG_FAN2_ACT);
+                data->fan_status[0] = fscher_read_value(client, FSCHER_REG_FAN0_STATE);
+                data->fan_status[1] = fscher_read_value(client, FSCHER_REG_FAN1_STATE);
+                data->fan_status[2] = fscher_read_value(client, FSCHER_REG_FAN2_STATE);
+                data->fan_min[0] = fscher_read_value(client, FSCHER_REG_FAN0_MIN);
+                data->fan_min[1] = fscher_read_value(client, FSCHER_REG_FAN1_MIN);
+                data->fan_min[2] = fscher_read_value(client, FSCHER_REG_FAN2_MIN);
+                data->fan_ripple[0] = fscher_read_value(client, FSCHER_REG_FAN0_RIPPLE);
+                data->fan_ripple[1] = fscher_read_value(client, FSCHER_REG_FAN1_RIPPLE);
+                data->fan_ripple[2] = fscher_read_value(client, FSCHER_REG_FAN2_RIPPLE);
+
+                data->watchdog[0] = fscher_read_value(client, FSCHER_REG_WDOG_PRESET);
+                data->watchdog[1] = fscher_read_value(client, FSCHER_REG_WDOG_STATE);
+                data->watchdog[2] = fscher_read_value(client, FSCHER_REG_WDOG_CONTROL);
+
+                data->global_event = fscher_read_value(client, FSCHER_REG_EVENT_STATE);
+
+                data->last_updated = jiffies;
+                data->valid = 1;                 
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+
+
+#define FAN_INDEX_FROM_NUM(nr)  ((nr) - 1)
+
+static ssize_t set_fan_status(struct i2c_client *client, struct fscher_data *data,
+                              const char *buf, size_t count, int nr, int reg)
+{
+        /* bits 0..1, 3..7 reserved => mask with 0x04 */  
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0x04;
+        
+        down(&data->update_lock);
+        data->fan_status[FAN_INDEX_FROM_NUM(nr)] &= ~v;
+        fscher_write_value(client, reg, v);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_fan_status(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 0..1, 3..7 reserved => mask with 0x04 */  
+        return sprintf(buf, "%u\n", data->fan_status[FAN_INDEX_FROM_NUM(nr)] & 0x04);
+}
+
+static ssize_t set_pwm(struct i2c_client *client, struct fscher_data *data,
+                       const char *buf, size_t count, int nr, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[FAN_INDEX_FROM_NUM(nr)] = v > 0xff ? 0xff : v;
+        fscher_write_value(client, reg, data->fan_min[FAN_INDEX_FROM_NUM(nr)]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_pwm(struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", data->fan_min[FAN_INDEX_FROM_NUM(nr)]);
+}
+
+static ssize_t set_fan_div(struct i2c_client *client, struct fscher_data *data,
+                           const char *buf, size_t count, int nr, int reg)
+{
+        /* supported values: 2, 4, 8 */
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+
+        switch (v) {
+        case 2: v = 1; break;
+        case 4: v = 2; break;
+        case 8: v = 3; break;
+        default:
+                dev_err(&client->dev, "fan_div value %ld not "
+                         "supported. Choose one of 2, 4 or 8!\n", v);
+                return -EINVAL;
+        }
+
+        down(&data->update_lock);
+
+        /* bits 2..7 reserved => mask with 0x03 */
+        data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] &= ~0x03;
+        data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] |= v;
+
+        fscher_write_value(client, reg, data->fan_ripple[FAN_INDEX_FROM_NUM(nr)]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_fan_div(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 2..7 reserved => mask with 0x03 */  
+        return sprintf(buf, "%u\n", 1 << (data->fan_ripple[FAN_INDEX_FROM_NUM(nr)] & 0x03));
+}
+
+#define RPM_FROM_REG(val)       (val*60)
+
+static ssize_t show_fan_input (struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", RPM_FROM_REG(data->fan_act[FAN_INDEX_FROM_NUM(nr)]));
+}
+
+
+
+#define TEMP_INDEX_FROM_NUM(nr)         ((nr) - 1)
+
+static ssize_t set_temp_status(struct i2c_client *client, struct fscher_data *data,
+                               const char *buf, size_t count, int nr, int reg)
+{
+        /* bits 2..7 reserved, 0 read only => mask with 0x02 */  
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
+
+        down(&data->update_lock);
+        data->temp_status[TEMP_INDEX_FROM_NUM(nr)] &= ~v;
+        fscher_write_value(client, reg, v);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_temp_status(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 2..7 reserved => mask with 0x03 */
+        return sprintf(buf, "%u\n", data->temp_status[TEMP_INDEX_FROM_NUM(nr)] & 0x03);
+}
+
+#define TEMP_FROM_REG(val)      (((val) - 128) * 1000)
+
+static ssize_t show_temp_input(struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_act[TEMP_INDEX_FROM_NUM(nr)]));
+}
+
+/*
+ * The final conversion is specified in sensors.conf, as it depends on
+ * mainboard specific values. We export the registers contents as
+ * pseudo-hundredths-of-Volts (range 0V - 2.55V). Not that it makes much
+ * sense per se, but it minimizes the conversions count and keeps the
+ * values within a usual range.
+ */
+#define VOLT_FROM_REG(val)      ((val) * 10)
+
+static ssize_t show_in_input(struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", VOLT_FROM_REG(data->volt[nr]));
+}
+
+
+
+static ssize_t show_revision(struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", data->revision);
+}
+
+
+
+static ssize_t show_alarms(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 2, 5..6 reserved => mask with 0x9b */
+        return sprintf(buf, "%u\n", data->global_event & 0x9b);
+}
+
+
+
+static ssize_t set_control(struct i2c_client *client, struct fscher_data *data,
+                           const char *buf, size_t count, int nr, int reg)
+{
+        /* bits 1..7 reserved => mask with 0x01 */  
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0x01;
+
+        down(&data->update_lock);
+        data->global_control &= ~v;
+        fscher_write_value(client, reg, v);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_control(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 1..7 reserved => mask with 0x01 */
+        return sprintf(buf, "%u\n", data->global_control & 0x01);
+}
+
+
+
+static ssize_t set_watchdog_control(struct i2c_client *client, struct
+                                    fscher_data *data, const char *buf, size_t count,
+                                    int nr, int reg)
+{
+        /* bits 0..3 reserved => mask with 0xf0 */  
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
+
+        down(&data->update_lock);
+        data->watchdog[2] &= ~0xf0;
+        data->watchdog[2] |= v;
+        fscher_write_value(client, reg, data->watchdog[2]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_watchdog_control(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 0..3 reserved, bit 5 write only => mask with 0xd0 */
+        return sprintf(buf, "%u\n", data->watchdog[2] & 0xd0);
+}
+
+static ssize_t set_watchdog_status(struct i2c_client *client, struct fscher_data *data,
+                                   const char *buf, size_t count, int nr, int reg)
+{
+        /* bits 0, 2..7 reserved => mask with 0x02 */  
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
+
+        down(&data->update_lock);
+        data->watchdog[1] &= ~v;
+        fscher_write_value(client, reg, v);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_watchdog_status(struct fscher_data *data, char *buf, int nr)
+{
+        /* bits 0, 2..7 reserved => mask with 0x02 */
+        return sprintf(buf, "%u\n", data->watchdog[1] & 0x02);
+}
+
+static ssize_t set_watchdog_preset(struct i2c_client *client, struct fscher_data *data,
+                                   const char *buf, size_t count, int nr, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
+        
+        down(&data->update_lock);
+        data->watchdog[0] = v;
+        fscher_write_value(client, reg, data->watchdog[0]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_watchdog_preset(struct fscher_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", data->watchdog[0]);
+}
+
+static int __init sensors_fscher_init(void)
+{
+        return i2c_add_driver(&fscher_driver);
+}
+
+static void __exit sensors_fscher_exit(void)
+{
+        i2c_del_driver(&fscher_driver);
+}
+
+MODULE_AUTHOR("Reinhard Nissl <rnissl@gmx.de>");
+MODULE_DESCRIPTION("FSC Hermes driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_fscher_init);
+module_exit(sensors_fscher_exit);
diff --git a/drivers/i2c/chips/fscpos.c b/drivers/i2c/chips/fscpos.c
new file mode 100644
index 000000000000..2cac79145c75
--- /dev/null
+++ b/drivers/i2c/chips/fscpos.c
@@ -0,0 +1,641 @@
+/*
+        fscpos.c - Kernel module for hardware monitoring with FSC Poseidon chips
+        Copyright (C) 2004, 2005 Stefan Ott <stefan@desire.ch>
+
+        This program is free software; you can redistribute it and/or modify
+        it under the terms of the GNU General Public License as published by
+        the Free Software Foundation; either version 2 of the License, or
+        (at your option) any later version.
+
+        This program is distributed in the hope that it will be useful,
+        but WITHOUT ANY WARRANTY; without even the implied warranty of
+        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+        GNU General Public License for more details.
+
+        You should have received a copy of the GNU General Public License
+        along with this program; if not, write to the Free Software
+        Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+        fujitsu siemens poseidon chip,
+        module based on the old fscpos module by Hermann Jung <hej@odn.de> and
+        the fscher module by Reinhard Nissl <rnissl@gmx.de>
+
+        original module based on lm80.c
+        Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl>
+        and Philip Edelbrock <phil@netroedge.com>
+
+        Thanks to Jean Delvare for reviewing my code and suggesting a lot of
+        improvements.
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/init.h>
+
+/*
+ * Addresses to scan
+ */
+static unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+SENSORS_INSMOD_1(fscpos);
+
+/*
+ * The FSCPOS registers
+ */
+
+/* chip identification */
+#define FSCPOS_REG_IDENT_0              0x00
+#define FSCPOS_REG_IDENT_1              0x01
+#define FSCPOS_REG_IDENT_2              0x02
+#define FSCPOS_REG_REVISION             0x03
+
+/* global control and status */
+#define FSCPOS_REG_EVENT_STATE          0x04
+#define FSCPOS_REG_CONTROL              0x05
+
+/* watchdog */
+#define FSCPOS_REG_WDOG_PRESET          0x28
+#define FSCPOS_REG_WDOG_STATE           0x23
+#define FSCPOS_REG_WDOG_CONTROL         0x21
+
+/* voltages */
+#define FSCPOS_REG_VOLT_12              0x45
+#define FSCPOS_REG_VOLT_5               0x42
+#define FSCPOS_REG_VOLT_BATT            0x48
+
+/* fans - the chip does not support minimum speed for fan2 */
+static u8 FSCPOS_REG_PWM[] = { 0x55, 0x65 };
+static u8 FSCPOS_REG_FAN_ACT[] = { 0x0e, 0x6b, 0xab };
+static u8 FSCPOS_REG_FAN_STATE[] = { 0x0d, 0x62, 0xa2 };
+static u8 FSCPOS_REG_FAN_RIPPLE[] = { 0x0f, 0x6f, 0xaf };
+
+/* temperatures */
+static u8 FSCPOS_REG_TEMP_ACT[] = { 0x64, 0x32, 0x35 };
+static u8 FSCPOS_REG_TEMP_STATE[] = { 0x71, 0x81, 0x91 };
+
+/*
+ * Functions declaration
+ */
+static int fscpos_attach_adapter(struct i2c_adapter *adapter);
+static int fscpos_detect(struct i2c_adapter *adapter, int address, int kind);
+static int fscpos_detach_client(struct i2c_client *client);
+
+static int fscpos_read_value(struct i2c_client *client, u8 register);
+static int fscpos_write_value(struct i2c_client *client, u8 register, u8 value);
+static struct fscpos_data *fscpos_update_device(struct device *dev);
+static void fscpos_init_client(struct i2c_client *client);
+
+static void reset_fan_alarm(struct i2c_client *client, int nr);
+
+/*
+ * Driver data (common to all clients)
+ */
+static struct i2c_driver fscpos_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "fscpos",
+        .id             = I2C_DRIVERID_FSCPOS,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = fscpos_attach_adapter,
+        .detach_client  = fscpos_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+struct fscpos_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid;             /* 0 until following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        /* register values */
+        u8 revision;            /* revision of chip */
+        u8 global_event;        /* global event status */
+        u8 global_control;      /* global control register */
+        u8 wdog_control;        /* watchdog control */
+        u8 wdog_state;          /* watchdog status */
+        u8 wdog_preset;         /* watchdog preset */
+        u8 volt[3];             /* 12, 5, battery current */
+        u8 temp_act[3];         /* temperature */
+        u8 temp_status[3];      /* status of sensor */
+        u8 fan_act[3];          /* fans revolutions per second */
+        u8 fan_status[3];       /* fan status */
+        u8 pwm[2];              /* fan min value for rps */
+        u8 fan_ripple[3];       /* divider for rps */
+};
+
+/* Temperature */
+#define TEMP_FROM_REG(val)      (((val) - 128) * 1000)
+
+static ssize_t show_temp_input(struct fscpos_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_act[nr - 1]));
+}
+
+static ssize_t show_temp_status(struct fscpos_data *data, char *buf, int nr)
+{
+        /* bits 2..7 reserved => mask with 0x03 */
+        return sprintf(buf, "%u\n", data->temp_status[nr - 1] & 0x03);
+}
+
+static ssize_t show_temp_reset(struct fscpos_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "1\n");
+}
+
+static ssize_t set_temp_reset(struct i2c_client *client, struct fscpos_data
+                        *data, const char *buf, size_t count, int nr, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+        if (v != 1) {
+                dev_err(&client->dev, "temp_reset value %ld not supported. "
+                                        "Use 1 to reset the alarm!\n", v);
+                return -EINVAL;
+        }
+
+        dev_info(&client->dev, "You used the temp_reset feature which has not "
+                                "been proplerly tested. Please report your "
+                                "experience to the module author.\n");
+
+        /* Supported value: 2 (clears the status) */
+        fscpos_write_value(client, FSCPOS_REG_TEMP_STATE[nr], 2);
+        return count;
+}
+
+/* Fans */
+#define RPM_FROM_REG(val)       ((val) * 60)
+
+static ssize_t show_fan_status(struct fscpos_data *data, char *buf, int nr)
+{
+        /* bits 0..1, 3..7 reserved => mask with 0x04 */
+        return sprintf(buf, "%u\n", data->fan_status[nr - 1] & 0x04);
+}
+
+static ssize_t show_fan_input(struct fscpos_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", RPM_FROM_REG(data->fan_act[nr - 1]));
+}
+
+static ssize_t show_fan_ripple(struct fscpos_data *data, char *buf, int nr)
+{
+        /* bits 2..7 reserved => mask with 0x03 */
+        return sprintf(buf, "%u\n", data->fan_ripple[nr - 1] & 0x03);
+}
+
+static ssize_t set_fan_ripple(struct i2c_client *client, struct fscpos_data
+                        *data, const char *buf, size_t count, int nr, int reg)
+{
+        /* supported values: 2, 4, 8 */
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+
+        switch (v) {
+                case 2: v = 1; break;
+                case 4: v = 2; break;
+                case 8: v = 3; break;
+        default:
+                dev_err(&client->dev, "fan_ripple value %ld not supported. "
+                                        "Must be one of 2, 4 or 8!\n", v);
+                return -EINVAL;
+        }
+        
+        down(&data->update_lock);
+        /* bits 2..7 reserved => mask with 0x03 */
+        data->fan_ripple[nr - 1] &= ~0x03;
+        data->fan_ripple[nr - 1] |= v;
+        
+        fscpos_write_value(client, reg, data->fan_ripple[nr - 1]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_pwm(struct fscpos_data *data, char *buf, int nr)
+{
+        return sprintf(buf, "%u\n", data->pwm[nr - 1]);
+}
+
+static ssize_t set_pwm(struct i2c_client *client, struct fscpos_data *data,
+                                const char *buf, size_t count, int nr, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+
+        /* Range: 0..255 */
+        if (v < 0) v = 0;
+        if (v > 255) v = 255;
+
+        down(&data->update_lock);
+        data->pwm[nr - 1] = v;
+        fscpos_write_value(client, reg, data->pwm[nr - 1]);
+        up(&data->update_lock);
+        return count;
+}
+
+static void reset_fan_alarm(struct i2c_client *client, int nr)
+{
+        fscpos_write_value(client, FSCPOS_REG_FAN_STATE[nr], 4);
+}
+
+/* Volts */
+#define VOLT_FROM_REG(val, mult)        ((val) * (mult) / 255)
+
+static ssize_t show_volt_12(struct device *dev, char *buf)
+{
+        struct fscpos_data *data = fscpos_update_device(dev);
+        return sprintf(buf, "%u\n", VOLT_FROM_REG(data->volt[0], 14200));
+}
+
+static ssize_t show_volt_5(struct device *dev, char *buf)
+{
+        struct fscpos_data *data = fscpos_update_device(dev);
+        return sprintf(buf, "%u\n", VOLT_FROM_REG(data->volt[1], 6600));
+}
+
+static ssize_t show_volt_batt(struct device *dev, char *buf)
+{
+        struct fscpos_data *data = fscpos_update_device(dev);
+        return sprintf(buf, "%u\n", VOLT_FROM_REG(data->volt[2], 3300));
+}
+
+/* Watchdog */
+static ssize_t show_wdog_control(struct fscpos_data *data, char *buf)
+{
+        /* bits 0..3 reserved, bit 6 write only => mask with 0xb0 */
+        return sprintf(buf, "%u\n", data->wdog_control & 0xb0);
+}
+
+static ssize_t set_wdog_control(struct i2c_client *client, struct fscpos_data
+                                *data, const char *buf, size_t count, int reg)
+{
+        /* bits 0..3 reserved => mask with 0xf0 */
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0xf0;
+
+        down(&data->update_lock);
+        data->wdog_control &= ~0xf0;
+        data->wdog_control |= v;
+        fscpos_write_value(client, reg, data->wdog_control);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_wdog_state(struct fscpos_data *data, char *buf)
+{
+        /* bits 0, 2..7 reserved => mask with 0x02 */
+        return sprintf(buf, "%u\n", data->wdog_state & 0x02);
+}
+
+static ssize_t set_wdog_state(struct i2c_client *client, struct fscpos_data
+                                *data, const char *buf, size_t count, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0x02;
+
+        /* Valid values: 2 (clear) */
+        if (v != 2) {
+                dev_err(&client->dev, "wdog_state value %ld not supported. "
+                                        "Must be 2 to clear the state!\n", v);
+                return -EINVAL;
+        }
+
+        down(&data->update_lock);
+        data->wdog_state &= ~v;
+        fscpos_write_value(client, reg, v);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_wdog_preset(struct fscpos_data *data, char *buf)
+{
+        return sprintf(buf, "%u\n", data->wdog_preset);
+}
+
+static ssize_t set_wdog_preset(struct i2c_client *client, struct fscpos_data
+                                *data, const char *buf, size_t count, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10) & 0xff;
+
+        down(&data->update_lock);
+        data->wdog_preset = v;
+        fscpos_write_value(client, reg, data->wdog_preset);
+        up(&data->update_lock);
+        return count;
+}
+
+/* Event */
+static ssize_t show_event(struct device *dev, char *buf)
+{
+        /* bits 5..7 reserved => mask with 0x1f */
+        struct fscpos_data *data = fscpos_update_device(dev);
+        return sprintf(buf, "%u\n", data->global_event & 0x9b);
+}
+
+/*
+ * Sysfs stuff
+ */
+#define create_getter(kind, sub) \
+        static ssize_t sysfs_show_##kind##sub(struct device *dev, char *buf) \
+        { \
+                struct fscpos_data *data = fscpos_update_device(dev); \
+                return show_##kind##sub(data, buf); \
+        }
+
+#define create_getter_n(kind, offset, sub) \
+        static ssize_t sysfs_show_##kind##offset##sub(struct device *dev, char\
+                                                                        *buf) \
+        { \
+                struct fscpos_data *data = fscpos_update_device(dev); \
+                return show_##kind##sub(data, buf, offset); \
+        }
+
+#define create_setter(kind, sub, reg) \
+        static ssize_t sysfs_set_##kind##sub (struct device *dev, const char \
+                                                        *buf, size_t count) \
+        { \
+                struct i2c_client *client = to_i2c_client(dev); \
+                struct fscpos_data *data = i2c_get_clientdata(client); \
+                return set_##kind##sub(client, data, buf, count, reg); \
+        }
+
+#define create_setter_n(kind, offset, sub, reg) \
+        static ssize_t sysfs_set_##kind##offset##sub (struct device *dev, \
+                                        const char *buf, size_t count) \
+        { \
+                struct i2c_client *client = to_i2c_client(dev); \
+                struct fscpos_data *data = i2c_get_clientdata(client); \
+                return set_##kind##sub(client, data, buf, count, offset, reg);\
+        }
+
+#define create_sysfs_device_ro(kind, sub, offset) \
+        static DEVICE_ATTR(kind##offset##sub, S_IRUGO, \
+                                        sysfs_show_##kind##offset##sub, NULL);
+
+#define create_sysfs_device_rw(kind, sub, offset) \
+        static DEVICE_ATTR(kind##offset##sub, S_IRUGO | S_IWUSR, \
+                sysfs_show_##kind##offset##sub, sysfs_set_##kind##offset##sub);
+
+#define sysfs_ro_n(kind, sub, offset) \
+        create_getter_n(kind, offset, sub); \
+        create_sysfs_device_ro(kind, sub, offset);
+
+#define sysfs_rw_n(kind, sub, offset, reg) \
+        create_getter_n(kind, offset, sub); \
+        create_setter_n(kind, offset, sub, reg); \
+        create_sysfs_device_rw(kind, sub, offset);
+
+#define sysfs_rw(kind, sub, reg) \
+        create_getter(kind, sub); \
+        create_setter(kind, sub, reg); \
+        create_sysfs_device_rw(kind, sub,);
+
+#define sysfs_fan_with_min(offset, reg_status, reg_ripple, reg_min) \
+        sysfs_fan(offset, reg_status, reg_ripple); \
+        sysfs_rw_n(pwm,, offset, reg_min);
+
+#define sysfs_fan(offset, reg_status, reg_ripple) \
+        sysfs_ro_n(fan, _input, offset); \
+        sysfs_ro_n(fan, _status, offset); \
+        sysfs_rw_n(fan, _ripple, offset, reg_ripple);
+
+#define sysfs_temp(offset, reg_status) \
+        sysfs_ro_n(temp, _input, offset); \
+        sysfs_ro_n(temp, _status, offset); \
+        sysfs_rw_n(temp, _reset, offset, reg_status);
+
+#define sysfs_watchdog(reg_wdog_preset, reg_wdog_state, reg_wdog_control) \
+        sysfs_rw(wdog, _control, reg_wdog_control); \
+        sysfs_rw(wdog, _preset, reg_wdog_preset); \
+        sysfs_rw(wdog, _state, reg_wdog_state);
+
+sysfs_fan_with_min(1, FSCPOS_REG_FAN_STATE[0], FSCPOS_REG_FAN_RIPPLE[0],
+                                                        FSCPOS_REG_PWM[0]);
+sysfs_fan_with_min(2, FSCPOS_REG_FAN_STATE[1], FSCPOS_REG_FAN_RIPPLE[1],
+                                                        FSCPOS_REG_PWM[1]);
+sysfs_fan(3, FSCPOS_REG_FAN_STATE[2], FSCPOS_REG_FAN_RIPPLE[2]);
+
+sysfs_temp(1, FSCPOS_REG_TEMP_STATE[0]);
+sysfs_temp(2, FSCPOS_REG_TEMP_STATE[1]);
+sysfs_temp(3, FSCPOS_REG_TEMP_STATE[2]);
+
+sysfs_watchdog(FSCPOS_REG_WDOG_PRESET, FSCPOS_REG_WDOG_STATE,
+                                                FSCPOS_REG_WDOG_CONTROL);
+
+static DEVICE_ATTR(event, S_IRUGO, show_event, NULL);
+static DEVICE_ATTR(in0_input, S_IRUGO, show_volt_12, NULL);
+static DEVICE_ATTR(in1_input, S_IRUGO, show_volt_5, NULL);
+static DEVICE_ATTR(in2_input, S_IRUGO, show_volt_batt, NULL);
+
+static int fscpos_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, fscpos_detect);
+}
+
+int fscpos_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct fscpos_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        /*
+         * OK. For now, we presume we have a valid client. We now create the
+         * client structure, even though we cannot fill it completely yet.
+         * But it allows us to access fscpos_{read,write}_value.
+         */
+
+        if (!(data = kmalloc(sizeof(struct fscpos_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct fscpos_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &fscpos_driver;
+        new_client->flags = 0;
+
+        /* Do the remaining detection unless force or force_fscpos parameter */
+        if (kind < 0) {
+                if ((fscpos_read_value(new_client, FSCPOS_REG_IDENT_0)
+                        != 0x50) /* 'P' */
+                || (fscpos_read_value(new_client, FSCPOS_REG_IDENT_1)
+                        != 0x45) /* 'E' */
+                || (fscpos_read_value(new_client, FSCPOS_REG_IDENT_2)
+                        != 0x47))/* 'G' */
+                {
+                        dev_dbg(&new_client->dev, "fscpos detection failed\n");
+                        goto exit_free;
+                }
+        }
+
+        /* Fill in the remaining client fields and put it in the global list */
+        strlcpy(new_client->name, "fscpos", I2C_NAME_SIZE);
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Inizialize the fscpos chip */
+        fscpos_init_client(new_client);
+
+        /* Announce that the chip was found */
+        dev_info(&new_client->dev, "Found fscpos chip, rev %u\n", data->revision);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_event);
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_wdog_control);
+        device_create_file(&new_client->dev, &dev_attr_wdog_preset);
+        device_create_file(&new_client->dev, &dev_attr_wdog_state);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_status);
+        device_create_file(&new_client->dev, &dev_attr_temp1_reset);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_status);
+        device_create_file(&new_client->dev, &dev_attr_temp2_reset);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_status);
+        device_create_file(&new_client->dev, &dev_attr_temp3_reset);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_status);
+        device_create_file(&new_client->dev, &dev_attr_fan1_ripple);
+        device_create_file(&new_client->dev, &dev_attr_pwm1);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_status);
+        device_create_file(&new_client->dev, &dev_attr_fan2_ripple);
+        device_create_file(&new_client->dev, &dev_attr_pwm2);
+        device_create_file(&new_client->dev, &dev_attr_fan3_input);
+        device_create_file(&new_client->dev, &dev_attr_fan3_status);
+        device_create_file(&new_client->dev, &dev_attr_fan3_ripple);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int fscpos_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, client"
+                                                        " not detached.\n");
+                return err;
+        }
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static int fscpos_read_value(struct i2c_client *client, u8 reg)
+{
+        dev_dbg(&client->dev, "Read reg 0x%02x\n", reg);
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int fscpos_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        dev_dbg(&client->dev, "Write reg 0x%02x, val 0x%02x\n", reg, value);
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Called when we have found a new FSCPOS chip */
+static void fscpos_init_client(struct i2c_client *client)
+{
+        struct fscpos_data *data = i2c_get_clientdata(client);
+
+        /* read revision from chip */
+        data->revision = fscpos_read_value(client, FSCPOS_REG_REVISION);
+}
+
+static struct fscpos_data *fscpos_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct fscpos_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if ((jiffies - data->last_updated > 2 * HZ) ||
+                        (jiffies < data->last_updated) || !data->valid) {
+                int i;
+
+                dev_dbg(&client->dev, "Starting fscpos update\n");
+
+                for (i = 0; i < 3; i++) {
+                        data->temp_act[i] = fscpos_read_value(client,
+                                                FSCPOS_REG_TEMP_ACT[i]);
+                        data->temp_status[i] = fscpos_read_value(client,
+                                                FSCPOS_REG_TEMP_STATE[i]);
+                        data->fan_act[i] = fscpos_read_value(client,
+                                                FSCPOS_REG_FAN_ACT[i]);
+                        data->fan_status[i] = fscpos_read_value(client,
+                                                FSCPOS_REG_FAN_STATE[i]);
+                        data->fan_ripple[i] = fscpos_read_value(client,
+                                                FSCPOS_REG_FAN_RIPPLE[i]);
+                        if (i < 2) {
+                                /* fan2_min is not supported by the chip */
+                                data->pwm[i] = fscpos_read_value(client,
+                                                        FSCPOS_REG_PWM[i]);
+                        }
+                        /* reset fan status if speed is back to > 0 */
+                        if (data->fan_status[i] != 0 && data->fan_act[i] > 0) {
+                                reset_fan_alarm(client, i);
+                        }
+                }
+
+                data->volt[0] = fscpos_read_value(client, FSCPOS_REG_VOLT_12);
+                data->volt[1] = fscpos_read_value(client, FSCPOS_REG_VOLT_5);
+                data->volt[2] = fscpos_read_value(client, FSCPOS_REG_VOLT_BATT);
+
+                data->wdog_preset = fscpos_read_value(client,
+                                                        FSCPOS_REG_WDOG_PRESET);
+                data->wdog_state = fscpos_read_value(client,
+                                                        FSCPOS_REG_WDOG_STATE);
+                data->wdog_control = fscpos_read_value(client,
+                                                FSCPOS_REG_WDOG_CONTROL);
+
+                data->global_event = fscpos_read_value(client,
+                                                FSCPOS_REG_EVENT_STATE);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+        up(&data->update_lock);
+        return data;
+}
+
+static int __init sm_fscpos_init(void)
+{
+        return i2c_add_driver(&fscpos_driver);
+}
+
+static void __exit sm_fscpos_exit(void)
+{
+        i2c_del_driver(&fscpos_driver);
+}
+
+MODULE_AUTHOR("Stefan Ott <stefan@desire.ch> based on work from Hermann Jung "
+                                "<hej@odn.de>, Frodo Looijaard <frodol@dds.nl>"
+                                " and Philip Edelbrock <phil@netroedge.com>");
+MODULE_DESCRIPTION("fujitsu siemens poseidon chip driver");
+MODULE_LICENSE("GPL");
+
+module_init(sm_fscpos_init);
+module_exit(sm_fscpos_exit);
diff --git a/drivers/i2c/chips/gl518sm.c b/drivers/i2c/chips/gl518sm.c
new file mode 100644
index 000000000000..c82d6ce21205
--- /dev/null
+++ b/drivers/i2c/chips/gl518sm.c
@@ -0,0 +1,605 @@
+/*
+ * gl518sm.c - Part of lm_sensors, Linux kernel modules for hardware
+ *             monitoring
+ * Copyright (C) 1998, 1999 Frodo Looijaard <frodol@dds.nl> and
+ * Kyosti Malkki <kmalkki@cc.hut.fi>
+ * Copyright (C) 2004 Hong-Gunn Chew <hglinux@gunnet.org> and
+ * Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Ported to Linux 2.6 by Hong-Gunn Chew with the help of Jean Delvare
+ * and advice of Greg Kroah-Hartman.
+ *
+ * Notes about the port:
+ * Release 0x00 of the GL518SM chipset doesn't support reading of in0,
+ * in1 nor in2. The original driver had an ugly workaround to get them
+ * anyway (changing limits and watching alarms trigger and wear off).
+ * We did not keep that part of the original driver in the Linux 2.6
+ * version, since it was making the driver significantly more complex
+ * with no real benefit.
+ *
+ * History:
+ * 2004-01-28  Original port. (Hong-Gunn Chew)
+ * 2004-01-31  Code review and approval. (Jean Delvare)
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_2(gl518sm_r00, gl518sm_r80);
+
+/* Many GL518 constants specified below */
+
+/* The GL518 registers */
+#define GL518_REG_CHIP_ID       0x00
+#define GL518_REG_REVISION      0x01
+#define GL518_REG_VENDOR_ID     0x02
+#define GL518_REG_CONF          0x03
+#define GL518_REG_TEMP_IN       0x04
+#define GL518_REG_TEMP_MAX      0x05
+#define GL518_REG_TEMP_HYST     0x06
+#define GL518_REG_FAN_COUNT     0x07
+#define GL518_REG_FAN_LIMIT     0x08
+#define GL518_REG_VIN1_LIMIT    0x09
+#define GL518_REG_VIN2_LIMIT    0x0a
+#define GL518_REG_VIN3_LIMIT    0x0b
+#define GL518_REG_VDD_LIMIT     0x0c
+#define GL518_REG_VIN3          0x0d
+#define GL518_REG_MISC          0x0f
+#define GL518_REG_ALARM         0x10
+#define GL518_REG_MASK          0x11
+#define GL518_REG_INT           0x12
+#define GL518_REG_VIN2          0x13
+#define GL518_REG_VIN1          0x14
+#define GL518_REG_VDD           0x15
+
+
+/*
+ * Conversions. Rounding and limit checking is only done on the TO_REG
+ * variants. Note that you should be a bit careful with which arguments
+ * these macros are called: arguments may be evaluated more than once.
+ * Fixing this is just not worth it.
+ */
+
+#define RAW_FROM_REG(val)       val
+
+#define BOOL_FROM_REG(val)      ((val)?0:1)
+#define BOOL_TO_REG(val)        ((val)?0:1)
+
+#define TEMP_TO_REG(val)        (SENSORS_LIMIT(((((val)<0? \
+                                (val)-500:(val)+500)/1000)+119),0,255))
+#define TEMP_FROM_REG(val)      (((val) - 119) * 1000)
+
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        long rpmdiv;
+        if (rpm == 0)
+                return 0;
+        rpmdiv = SENSORS_LIMIT(rpm, 1, 1920000) * div;
+        return SENSORS_LIMIT((960000 + rpmdiv / 2) / rpmdiv, 1, 255);
+}
+#define FAN_FROM_REG(val,div)   ((val)==0 ? 0 : (960000/((val)*(div))))
+
+#define IN_TO_REG(val)          (SENSORS_LIMIT((((val)+9)/19),0,255))
+#define IN_FROM_REG(val)        ((val)*19)
+
+#define VDD_TO_REG(val)         (SENSORS_LIMIT((((val)*4+47)/95),0,255))
+#define VDD_FROM_REG(val)       (((val)*95+2)/4)
+
+#define DIV_TO_REG(val)         ((val)==4?2:(val)==2?1:(val)==1?0:3)
+#define DIV_FROM_REG(val)       (1 << (val))
+
+#define BEEP_MASK_TO_REG(val)   ((val) & 0x7f & data->alarm_mask)
+#define BEEP_MASK_FROM_REG(val) ((val) & 0x7f)
+
+/* Each client has this additional data */
+struct gl518_data {
+        struct i2c_client client;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 voltage_in[4];       /* Register values; [0] = VDD */
+        u8 voltage_min[4];      /* Register values; [0] = VDD */
+        u8 voltage_max[4];      /* Register values; [0] = VDD */
+        u8 iter_voltage_in[4];  /* Register values; [0] = VDD */
+        u8 fan_in[2];
+        u8 fan_min[2];
+        u8 fan_div[2];          /* Register encoding, shifted right */
+        u8 fan_auto1;           /* Boolean */
+        u8 temp_in;             /* Register values */
+        u8 temp_max;            /* Register values */
+        u8 temp_hyst;           /* Register values */
+        u8 alarms;              /* Register value */
+        u8 alarm_mask;          /* Register value */
+        u8 beep_mask;           /* Register value */
+        u8 beep_enable;         /* Boolean */
+};
+
+static int gl518_attach_adapter(struct i2c_adapter *adapter);
+static int gl518_detect(struct i2c_adapter *adapter, int address, int kind);
+static void gl518_init_client(struct i2c_client *client);
+static int gl518_detach_client(struct i2c_client *client);
+static int gl518_read_value(struct i2c_client *client, u8 reg);
+static int gl518_write_value(struct i2c_client *client, u8 reg, u16 value);
+static struct gl518_data *gl518_update_device(struct device *dev);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver gl518_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "gl518sm",
+        .id             = I2C_DRIVERID_GL518,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = gl518_attach_adapter,
+        .detach_client  = gl518_detach_client,
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show(type, suffix, value)                                       \
+static ssize_t show_##suffix(struct device *dev, char *buf)             \
+{                                                                       \
+        struct gl518_data *data = gl518_update_device(dev);             \
+        return sprintf(buf, "%d\n", type##_FROM_REG(data->value));      \
+}
+
+#define show_fan(suffix, value, index)                                  \
+static ssize_t show_##suffix(struct device *dev, char *buf)             \
+{                                                                       \
+        struct gl518_data *data = gl518_update_device(dev);             \
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->value[index],    \
+                DIV_FROM_REG(data->fan_div[index])));                   \
+}
+
+show(TEMP, temp_input1, temp_in);
+show(TEMP, temp_max1, temp_max);
+show(TEMP, temp_hyst1, temp_hyst);
+show(BOOL, fan_auto1, fan_auto1);
+show_fan(fan_input1, fan_in, 0);
+show_fan(fan_input2, fan_in, 1);
+show_fan(fan_min1, fan_min, 0);
+show_fan(fan_min2, fan_min, 1);
+show(DIV, fan_div1, fan_div[0]);
+show(DIV, fan_div2, fan_div[1]);
+show(VDD, in_input0, voltage_in[0]);
+show(IN, in_input1, voltage_in[1]);
+show(IN, in_input2, voltage_in[2]);
+show(IN, in_input3, voltage_in[3]);
+show(VDD, in_min0, voltage_min[0]);
+show(IN, in_min1, voltage_min[1]);
+show(IN, in_min2, voltage_min[2]);
+show(IN, in_min3, voltage_min[3]);
+show(VDD, in_max0, voltage_max[0]);
+show(IN, in_max1, voltage_max[1]);
+show(IN, in_max2, voltage_max[2]);
+show(IN, in_max3, voltage_max[3]);
+show(RAW, alarms, alarms);
+show(BOOL, beep_enable, beep_enable);
+show(BEEP_MASK, beep_mask, beep_mask);
+
+#define set(type, suffix, value, reg)                                   \
+static ssize_t set_##suffix(struct device *dev, const char *buf,        \
+        size_t count)                                                   \
+{                                                                       \
+        struct i2c_client *client = to_i2c_client(dev);                 \
+        struct gl518_data *data = i2c_get_clientdata(client);           \
+        long val = simple_strtol(buf, NULL, 10);                        \
+                                                                        \
+        down(&data->update_lock);                                       \
+        data->value = type##_TO_REG(val);                               \
+        gl518_write_value(client, reg, data->value);                    \
+        up(&data->update_lock);                                         \
+        return count;                                                   \
+}
+
+#define set_bits(type, suffix, value, reg, mask, shift)                 \
+static ssize_t set_##suffix(struct device *dev, const char *buf,        \
+        size_t count)                                                   \
+{                                                                       \
+        struct i2c_client *client = to_i2c_client(dev);                 \
+        struct gl518_data *data = i2c_get_clientdata(client);           \
+        int regvalue;                                                   \
+        unsigned long val = simple_strtoul(buf, NULL, 10);              \
+                                                                        \
+        down(&data->update_lock);                                       \
+        regvalue = gl518_read_value(client, reg);                       \
+        data->value = type##_TO_REG(val);                               \
+        regvalue = (regvalue & ~mask) | (data->value << shift);         \
+        gl518_write_value(client, reg, regvalue);                       \
+        up(&data->update_lock);                                         \
+        return count;                                                   \
+}
+
+#define set_low(type, suffix, value, reg)                               \
+        set_bits(type, suffix, value, reg, 0x00ff, 0)
+#define set_high(type, suffix, value, reg)                              \
+        set_bits(type, suffix, value, reg, 0xff00, 8)
+
+set(TEMP, temp_max1, temp_max, GL518_REG_TEMP_MAX);
+set(TEMP, temp_hyst1, temp_hyst, GL518_REG_TEMP_HYST);
+set_bits(BOOL, fan_auto1, fan_auto1, GL518_REG_MISC, 0x08, 3);
+set_bits(DIV, fan_div1, fan_div[0], GL518_REG_MISC, 0xc0, 6);
+set_bits(DIV, fan_div2, fan_div[1], GL518_REG_MISC, 0x30, 4);
+set_low(VDD, in_min0, voltage_min[0], GL518_REG_VDD_LIMIT);
+set_low(IN, in_min1, voltage_min[1], GL518_REG_VIN1_LIMIT);
+set_low(IN, in_min2, voltage_min[2], GL518_REG_VIN2_LIMIT);
+set_low(IN, in_min3, voltage_min[3], GL518_REG_VIN3_LIMIT);
+set_high(VDD, in_max0, voltage_max[0], GL518_REG_VDD_LIMIT);
+set_high(IN, in_max1, voltage_max[1], GL518_REG_VIN1_LIMIT);
+set_high(IN, in_max2, voltage_max[2], GL518_REG_VIN2_LIMIT);
+set_high(IN, in_max3, voltage_max[3], GL518_REG_VIN3_LIMIT);
+set_bits(BOOL, beep_enable, beep_enable, GL518_REG_CONF, 0x04, 2);
+set(BEEP_MASK, beep_mask, beep_mask, GL518_REG_ALARM);
+
+static ssize_t set_fan_min1(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct gl518_data *data = i2c_get_clientdata(client);
+        int regvalue;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+        data->fan_min[0] = FAN_TO_REG(val,
+                DIV_FROM_REG(data->fan_div[0]));
+        regvalue = (regvalue & 0x00ff) | (data->fan_min[0] << 8);
+        gl518_write_value(client, GL518_REG_FAN_LIMIT, regvalue);
+
+        data->beep_mask = gl518_read_value(client, GL518_REG_ALARM);
+        if (data->fan_min[0] == 0)
+                data->alarm_mask &= ~0x20;
+        else
+                data->alarm_mask |= 0x20;
+        data->beep_mask &= data->alarm_mask;
+        gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
+
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_fan_min2(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct gl518_data *data = i2c_get_clientdata(client);
+        int regvalue;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        regvalue = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+        data->fan_min[1] = FAN_TO_REG(val,
+                DIV_FROM_REG(data->fan_div[1]));
+        regvalue = (regvalue & 0xff00) | data->fan_min[1];
+        gl518_write_value(client, GL518_REG_FAN_LIMIT, regvalue);
+
+        data->beep_mask = gl518_read_value(client, GL518_REG_ALARM);
+        if (data->fan_min[1] == 0)
+                data->alarm_mask &= ~0x40;
+        else
+                data->alarm_mask |= 0x40;
+        data->beep_mask &= data->alarm_mask;
+        gl518_write_value(client, GL518_REG_ALARM, data->beep_mask);
+
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
+static DEVICE_ATTR(temp1_max, S_IWUSR|S_IRUGO, show_temp_max1, set_temp_max1);
+static DEVICE_ATTR(temp1_max_hyst, S_IWUSR|S_IRUGO,
+        show_temp_hyst1, set_temp_hyst1);
+static DEVICE_ATTR(fan1_auto, S_IWUSR|S_IRUGO, show_fan_auto1, set_fan_auto1);
+static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input1, NULL);
+static DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input2, NULL);
+static DEVICE_ATTR(fan1_min, S_IWUSR|S_IRUGO, show_fan_min1, set_fan_min1);
+static DEVICE_ATTR(fan2_min, S_IWUSR|S_IRUGO, show_fan_min2, set_fan_min2);
+static DEVICE_ATTR(fan1_div, S_IWUSR|S_IRUGO, show_fan_div1, set_fan_div1);
+static DEVICE_ATTR(fan2_div, S_IWUSR|S_IRUGO, show_fan_div2, set_fan_div2);
+static DEVICE_ATTR(in0_input, S_IRUGO, show_in_input0, NULL);
+static DEVICE_ATTR(in1_input, S_IRUGO, show_in_input1, NULL);
+static DEVICE_ATTR(in2_input, S_IRUGO, show_in_input2, NULL);
+static DEVICE_ATTR(in3_input, S_IRUGO, show_in_input3, NULL);
+static DEVICE_ATTR(in0_min, S_IWUSR|S_IRUGO, show_in_min0, set_in_min0);
+static DEVICE_ATTR(in1_min, S_IWUSR|S_IRUGO, show_in_min1, set_in_min1);
+static DEVICE_ATTR(in2_min, S_IWUSR|S_IRUGO, show_in_min2, set_in_min2);
+static DEVICE_ATTR(in3_min, S_IWUSR|S_IRUGO, show_in_min3, set_in_min3);
+static DEVICE_ATTR(in0_max, S_IWUSR|S_IRUGO, show_in_max0, set_in_max0);
+static DEVICE_ATTR(in1_max, S_IWUSR|S_IRUGO, show_in_max1, set_in_max1);
+static DEVICE_ATTR(in2_max, S_IWUSR|S_IRUGO, show_in_max2, set_in_max2);
+static DEVICE_ATTR(in3_max, S_IWUSR|S_IRUGO, show_in_max3, set_in_max3);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+static DEVICE_ATTR(beep_enable, S_IWUSR|S_IRUGO,
+        show_beep_enable, set_beep_enable);
+static DEVICE_ATTR(beep_mask, S_IWUSR|S_IRUGO,
+        show_beep_mask, set_beep_mask);
+
+/*
+ * Real code
+ */
+
+static int gl518_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, gl518_detect);
+}
+
+static int gl518_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i;
+        struct i2c_client *new_client;
+        struct gl518_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+                                     I2C_FUNC_SMBUS_WORD_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access gl518_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct gl518_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct gl518_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &gl518_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        if (kind < 0) {
+                if ((gl518_read_value(new_client, GL518_REG_CHIP_ID) != 0x80)
+                 || (gl518_read_value(new_client, GL518_REG_CONF) & 0x80))
+                        goto exit_free;
+        }
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                i = gl518_read_value(new_client, GL518_REG_REVISION);
+                if (i == 0x00) {
+                        kind = gl518sm_r00;
+                } else if (i == 0x80) {
+                        kind = gl518sm_r80;
+                } else {
+                        if (kind <= 0)
+                                dev_info(&adapter->dev,
+                                    "Ignoring 'force' parameter for unknown "
+                                    "chip at adapter %d, address 0x%02x\n",
+                                    i2c_adapter_id(adapter), address);
+                        goto exit_free;
+                }
+        }
+
+        /* Fill in the remaining client fields */
+        strlcpy(new_client->name, "gl518sm", I2C_NAME_SIZE);
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the GL518SM chip */
+        data->alarm_mask = 0xff;
+        data->voltage_in[0]=data->voltage_in[1]=data->voltage_in[2]=0;
+        gl518_init_client((struct i2c_client *) new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_fan1_auto);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_beep_enable);
+        device_create_file(&new_client->dev, &dev_attr_beep_mask);
+
+        return 0;
+
+/* OK, this is not exactly good programming practice, usually. But it is
+   very code-efficient in this case. */
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+
+/* Called when we have found a new GL518SM.
+   Note that we preserve D4:NoFan2 and D2:beep_enable. */
+static void gl518_init_client(struct i2c_client *client)
+{
+        /* Make sure we leave D7:Reset untouched */
+        u8 regvalue = gl518_read_value(client, GL518_REG_CONF) & 0x7f;
+
+        /* Comparator mode (D3=0), standby mode (D6=0) */
+        gl518_write_value(client, GL518_REG_CONF, (regvalue &= 0x37));
+
+        /* Never interrupts */
+        gl518_write_value(client, GL518_REG_MASK, 0x00);
+
+        /* Clear status register (D5=1), start (D6=1) */
+        gl518_write_value(client, GL518_REG_CONF, 0x20 | regvalue);
+        gl518_write_value(client, GL518_REG_CONF, 0x40 | regvalue);
+}
+
+static int gl518_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+/* Registers 0x07 to 0x0c are word-sized, others are byte-sized 
+   GL518 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int gl518_read_value(struct i2c_client *client, u8 reg)
+{
+        if ((reg >= 0x07) && (reg <= 0x0c))
+                return swab16(i2c_smbus_read_word_data(client, reg));
+        else
+                return i2c_smbus_read_byte_data(client, reg);
+}
+
+/* Registers 0x07 to 0x0c are word-sized, others are byte-sized 
+   GL518 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int gl518_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if ((reg >= 0x07) && (reg <= 0x0c))
+                return i2c_smbus_write_word_data(client, reg, swab16(value));
+        else
+                return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+static struct gl518_data *gl518_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct gl518_data *data = i2c_get_clientdata(client);
+        int val;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                dev_dbg(&client->dev, "Starting gl518 update\n");
+
+                data->alarms = gl518_read_value(client, GL518_REG_INT);
+                data->beep_mask = gl518_read_value(client, GL518_REG_ALARM);
+
+                val = gl518_read_value(client, GL518_REG_VDD_LIMIT);
+                data->voltage_min[0] = val & 0xff;
+                data->voltage_max[0] = (val >> 8) & 0xff;
+                val = gl518_read_value(client, GL518_REG_VIN1_LIMIT);
+                data->voltage_min[1] = val & 0xff;
+                data->voltage_max[1] = (val >> 8) & 0xff;
+                val = gl518_read_value(client, GL518_REG_VIN2_LIMIT);
+                data->voltage_min[2] = val & 0xff;
+                data->voltage_max[2] = (val >> 8) & 0xff;
+                val = gl518_read_value(client, GL518_REG_VIN3_LIMIT);
+                data->voltage_min[3] = val & 0xff;
+                data->voltage_max[3] = (val >> 8) & 0xff;
+
+                val = gl518_read_value(client, GL518_REG_FAN_COUNT);
+                data->fan_in[0] = (val >> 8) & 0xff;
+                data->fan_in[1] = val & 0xff;
+
+                val = gl518_read_value(client, GL518_REG_FAN_LIMIT);
+                data->fan_min[0] = (val >> 8) & 0xff;
+                data->fan_min[1] = val & 0xff;
+
+                data->temp_in = gl518_read_value(client, GL518_REG_TEMP_IN);
+                data->temp_max =
+                    gl518_read_value(client, GL518_REG_TEMP_MAX);
+                data->temp_hyst =
+                    gl518_read_value(client, GL518_REG_TEMP_HYST);
+
+                val = gl518_read_value(client, GL518_REG_MISC);
+                data->fan_div[0] = (val >> 6) & 0x03;
+                data->fan_div[1] = (val >> 4) & 0x03;
+                data->fan_auto1  = (val >> 3) & 0x01;
+
+                data->alarms &= data->alarm_mask;
+
+                val = gl518_read_value(client, GL518_REG_CONF);
+                data->beep_enable = (val >> 2) & 1;
+
+                if (data->type != gl518sm_r00) {
+                        data->voltage_in[0] =
+                            gl518_read_value(client, GL518_REG_VDD);
+                        data->voltage_in[1] =
+                            gl518_read_value(client, GL518_REG_VIN1);
+                        data->voltage_in[2] =
+                            gl518_read_value(client, GL518_REG_VIN2);
+                }
+                data->voltage_in[3] =
+                    gl518_read_value(client, GL518_REG_VIN3);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_gl518sm_init(void)
+{
+        return i2c_add_driver(&gl518_driver);
+}
+
+static void __exit sensors_gl518sm_exit(void)
+{
+        i2c_del_driver(&gl518_driver);
+}
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
+        "Kyosti Malkki <kmalkki@cc.hut.fi> and "
+        "Hong-Gunn Chew <hglinux@gunnet.org>");
+MODULE_DESCRIPTION("GL518SM driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_gl518sm_init);
+module_exit(sensors_gl518sm_exit);
diff --git a/drivers/i2c/chips/gl520sm.c b/drivers/i2c/chips/gl520sm.c
new file mode 100644
index 000000000000..3fd17e46ffc6
--- /dev/null
+++ b/drivers/i2c/chips/gl520sm.c
@@ -0,0 +1,769 @@
+/*
+    gl520sm.c - Part of lm_sensors, Linux kernel modules for hardware
+                monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>,
+                              Kyösti Mälkki <kmalkki@cc.hut.fi>
+    Copyright (c) 2005        Maarten Deprez <maartendeprez@users.sourceforge.net>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+
+/* Type of the extra sensor */
+static unsigned short extra_sensor_type;
+module_param(extra_sensor_type, ushort, 0);
+MODULE_PARM_DESC(extra_sensor_type, "Type of extra sensor (0=autodetect, 1=temperature, 2=voltage)");
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(gl520sm);
+
+/* Many GL520 constants specified below 
+One of the inputs can be configured as either temp or voltage.
+That's why _TEMP2 and _IN4 access the same register 
+*/
+
+/* The GL520 registers */
+#define GL520_REG_CHIP_ID               0x00
+#define GL520_REG_REVISION              0x01
+#define GL520_REG_CONF                  0x03
+#define GL520_REG_MASK                  0x11
+
+#define GL520_REG_VID_INPUT             0x02
+
+#define GL520_REG_IN0_INPUT             0x15
+#define GL520_REG_IN0_LIMIT             0x0c
+#define GL520_REG_IN0_MIN               GL520_REG_IN0_LIMIT
+#define GL520_REG_IN0_MAX               GL520_REG_IN0_LIMIT
+
+#define GL520_REG_IN1_INPUT             0x14
+#define GL520_REG_IN1_LIMIT             0x09
+#define GL520_REG_IN1_MIN               GL520_REG_IN1_LIMIT
+#define GL520_REG_IN1_MAX               GL520_REG_IN1_LIMIT
+
+#define GL520_REG_IN2_INPUT             0x13
+#define GL520_REG_IN2_LIMIT             0x0a
+#define GL520_REG_IN2_MIN               GL520_REG_IN2_LIMIT
+#define GL520_REG_IN2_MAX               GL520_REG_IN2_LIMIT
+
+#define GL520_REG_IN3_INPUT             0x0d
+#define GL520_REG_IN3_LIMIT             0x0b
+#define GL520_REG_IN3_MIN               GL520_REG_IN3_LIMIT
+#define GL520_REG_IN3_MAX               GL520_REG_IN3_LIMIT
+
+#define GL520_REG_IN4_INPUT             0x0e
+#define GL520_REG_IN4_MAX               0x17
+#define GL520_REG_IN4_MIN               0x18
+
+#define GL520_REG_TEMP1_INPUT           0x04
+#define GL520_REG_TEMP1_MAX             0x05
+#define GL520_REG_TEMP1_MAX_HYST        0x06
+
+#define GL520_REG_TEMP2_INPUT           0x0e
+#define GL520_REG_TEMP2_MAX             0x17
+#define GL520_REG_TEMP2_MAX_HYST        0x18
+
+#define GL520_REG_FAN_INPUT             0x07
+#define GL520_REG_FAN_MIN               0x08
+#define GL520_REG_FAN_DIV               0x0f
+#define GL520_REG_FAN_OFF               GL520_REG_FAN_DIV
+
+#define GL520_REG_ALARMS                0x12
+#define GL520_REG_BEEP_MASK             0x10
+#define GL520_REG_BEEP_ENABLE           GL520_REG_CONF
+
+/*
+ * Function declarations
+ */
+
+static int gl520_attach_adapter(struct i2c_adapter *adapter);
+static int gl520_detect(struct i2c_adapter *adapter, int address, int kind);
+static void gl520_init_client(struct i2c_client *client);
+static int gl520_detach_client(struct i2c_client *client);
+static int gl520_read_value(struct i2c_client *client, u8 reg);
+static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value);
+static struct gl520_data *gl520_update_device(struct device *dev);
+
+/* Driver data */
+static struct i2c_driver gl520_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "gl520sm",
+        .id             = I2C_DRIVERID_GL520,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = gl520_attach_adapter,
+        .detach_client  = gl520_detach_client,
+};
+
+/* Client data */
+struct gl520_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid;             /* zero until the following fields are valid */
+        unsigned long last_updated;     /* in jiffies */
+
+        u8 vid;
+        u8 vrm;
+        u8 in_input[5];         /* [0] = VVD */
+        u8 in_min[5];           /* [0] = VDD */
+        u8 in_max[5];           /* [0] = VDD */
+        u8 fan_input[2];
+        u8 fan_min[2];
+        u8 fan_div[2];
+        u8 fan_off;
+        u8 temp_input[2];
+        u8 temp_max[2];
+        u8 temp_max_hyst[2];
+        u8 alarms;
+        u8 beep_enable;
+        u8 beep_mask;
+        u8 alarm_mask;
+        u8 two_temps;
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define sysfs_r(type, n, item, reg) \
+static ssize_t get_##type##item (struct gl520_data *, char *, int); \
+static ssize_t get_##type##n##item (struct device *, char *); \
+static ssize_t get_##type##n##item (struct device *dev, char *buf) \
+{ \
+        struct gl520_data *data = gl520_update_device(dev); \
+        return get_##type##item(data, buf, (n)); \
+}
+
+#define sysfs_w(type, n, item, reg) \
+static ssize_t set_##type##item (struct i2c_client *, struct gl520_data *, const char *, size_t, int, int); \
+static ssize_t set_##type##n##item (struct device *, const char *, size_t); \
+static ssize_t set_##type##n##item (struct device *dev, const char *buf, size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct gl520_data *data = i2c_get_clientdata(client); \
+        return set_##type##item(client, data, buf, count, (n), reg); \
+}
+
+#define sysfs_rw_n(type, n, item, reg) \
+sysfs_r(type, n, item, reg) \
+sysfs_w(type, n, item, reg) \
+static DEVICE_ATTR(type##n##item, S_IRUGO | S_IWUSR, get_##type##n##item, set_##type##n##item);
+
+#define sysfs_ro_n(type, n, item, reg) \
+sysfs_r(type, n, item, reg) \
+static DEVICE_ATTR(type##n##item, S_IRUGO, get_##type##n##item, NULL);
+
+#define sysfs_rw(type, item, reg) \
+sysfs_r(type, 0, item, reg) \
+sysfs_w(type, 0, item, reg) \
+static DEVICE_ATTR(type##item, S_IRUGO | S_IWUSR, get_##type##0##item, set_##type##0##item);
+
+#define sysfs_ro(type, item, reg) \
+sysfs_r(type, 0, item, reg) \
+static DEVICE_ATTR(type##item, S_IRUGO, get_##type##0##item, NULL);
+
+
+#define sysfs_vid(n) \
+sysfs_ro_n(cpu, n, _vid, GL520_REG_VID_INPUT)
+
+#define device_create_file_vid(client, n) \
+device_create_file(&client->dev, &dev_attr_cpu##n##_vid)
+
+#define sysfs_in(n) \
+sysfs_ro_n(in, n, _input, GL520_REG_IN##n##INPUT) \
+sysfs_rw_n(in, n, _min, GL520_REG_IN##n##_MIN) \
+sysfs_rw_n(in, n, _max, GL520_REG_IN##n##_MAX) \
+
+#define device_create_file_in(client, n) \
+({device_create_file(&client->dev, &dev_attr_in##n##_input); \
+device_create_file(&client->dev, &dev_attr_in##n##_min); \
+device_create_file(&client->dev, &dev_attr_in##n##_max);})
+
+#define sysfs_fan(n) \
+sysfs_ro_n(fan, n, _input, GL520_REG_FAN_INPUT) \
+sysfs_rw_n(fan, n, _min, GL520_REG_FAN_MIN) \
+sysfs_rw_n(fan, n, _div, GL520_REG_FAN_DIV)
+
+#define device_create_file_fan(client, n) \
+({device_create_file(&client->dev, &dev_attr_fan##n##_input); \
+device_create_file(&client->dev, &dev_attr_fan##n##_min); \
+device_create_file(&client->dev, &dev_attr_fan##n##_div);})
+
+#define sysfs_fan_off(n) \
+sysfs_rw_n(fan, n, _off, GL520_REG_FAN_OFF) \
+
+#define device_create_file_fan_off(client, n) \
+device_create_file(&client->dev, &dev_attr_fan##n##_off)
+
+#define sysfs_temp(n) \
+sysfs_ro_n(temp, n, _input, GL520_REG_TEMP##n##_INPUT) \
+sysfs_rw_n(temp, n, _max, GL520_REG_TEMP##n##_MAX) \
+sysfs_rw_n(temp, n, _max_hyst, GL520_REG_TEMP##n##_MAX_HYST)
+
+#define device_create_file_temp(client, n) \
+({device_create_file(&client->dev, &dev_attr_temp##n##_input); \
+device_create_file(&client->dev, &dev_attr_temp##n##_max); \
+device_create_file(&client->dev, &dev_attr_temp##n##_max_hyst);})
+
+#define sysfs_alarms() \
+sysfs_ro(alarms, , GL520_REG_ALARMS) \
+sysfs_rw(beep_enable, , GL520_REG_BEEP_ENABLE) \
+sysfs_rw(beep_mask, , GL520_REG_BEEP_MASK)
+
+#define device_create_file_alarms(client) \
+({device_create_file(&client->dev, &dev_attr_alarms); \
+device_create_file(&client->dev, &dev_attr_beep_enable); \
+device_create_file(&client->dev, &dev_attr_beep_mask);})
+
+
+sysfs_vid(0)
+
+sysfs_in(0)
+sysfs_in(1)
+sysfs_in(2)
+sysfs_in(3)
+sysfs_in(4)
+
+sysfs_fan(1)
+sysfs_fan(2)
+sysfs_fan_off(1)
+
+sysfs_temp(1)
+sysfs_temp(2)
+
+sysfs_alarms()
+
+
+static ssize_t get_cpu_vid(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+
+#define VDD_FROM_REG(val) (((val)*95+2)/4)
+#define VDD_TO_REG(val) (SENSORS_LIMIT((((val)*4+47)/95),0,255))
+
+#define IN_FROM_REG(val) ((val)*19)
+#define IN_TO_REG(val) (SENSORS_LIMIT((((val)+9)/19),0,255))
+
+static ssize_t get_in_input(struct gl520_data *data, char *buf, int n)
+{
+        u8 r = data->in_input[n];
+
+        if (n == 0)
+                return sprintf(buf, "%d\n", VDD_FROM_REG(r));
+        else
+                return sprintf(buf, "%d\n", IN_FROM_REG(r));
+}
+
+static ssize_t get_in_min(struct gl520_data *data, char *buf, int n)
+{
+        u8 r = data->in_min[n];
+
+        if (n == 0)
+                return sprintf(buf, "%d\n", VDD_FROM_REG(r));
+        else
+                return sprintf(buf, "%d\n", IN_FROM_REG(r));
+}
+
+static ssize_t get_in_max(struct gl520_data *data, char *buf, int n)
+{
+        u8 r = data->in_max[n];
+
+        if (n == 0)
+                return sprintf(buf, "%d\n", VDD_FROM_REG(r));
+        else
+                return sprintf(buf, "%d\n", IN_FROM_REG(r));
+}
+
+static ssize_t set_in_min(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        long v = simple_strtol(buf, NULL, 10);
+        u8 r;
+
+        down(&data->update_lock);
+
+        if (n == 0)
+                r = VDD_TO_REG(v);
+        else
+                r = IN_TO_REG(v);
+
+        data->in_min[n] = r;
+
+        if (n < 4)
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0xff) | r);
+        else
+                gl520_write_value(client, reg, r);
+
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_in_max(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        long v = simple_strtol(buf, NULL, 10);
+        u8 r;
+
+        if (n == 0)
+                r = VDD_TO_REG(v);
+        else
+                r = IN_TO_REG(v);
+
+        down(&data->update_lock);
+
+        data->in_max[n] = r;
+
+        if (n < 4)
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0xff00) | (r << 8));
+        else
+                gl520_write_value(client, reg, r);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define DIV_FROM_REG(val) (1 << (val))
+#define FAN_FROM_REG(val,div) ((val)==0 ? 0 : (480000/((val) << (div))))
+#define FAN_TO_REG(val,div) ((val)<=0?0:SENSORS_LIMIT((480000 + ((val) << ((div)-1))) / ((val) << (div)), 1, 255));
+
+static ssize_t get_fan_input(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_input[n - 1], data->fan_div[n - 1]));
+}
+
+static ssize_t get_fan_min(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[n - 1], data->fan_div[n - 1]));
+}
+
+static ssize_t get_fan_div(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[n - 1]));
+}
+
+static ssize_t get_fan_off(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", data->fan_off);
+}
+
+static ssize_t set_fan_min(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+        u8 r;
+
+        down(&data->update_lock);
+        r = FAN_TO_REG(v, data->fan_div[n - 1]);
+        data->fan_min[n - 1] = r;
+
+        if (n == 1)
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0xff00) | (r << 8));
+        else
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0xff) | r);
+
+        data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
+        if (data->fan_min[n - 1] == 0)
+                data->alarm_mask &= (n == 1) ? ~0x20 : ~0x40;
+        else
+                data->alarm_mask |= (n == 1) ? 0x20 : 0x40;
+        data->beep_mask &= data->alarm_mask;
+        gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask);
+
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_fan_div(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        unsigned long v = simple_strtoul(buf, NULL, 10);
+        u8 r;
+
+        switch (v) {
+        case 1: r = 0; break;
+        case 2: r = 1; break;
+        case 4: r = 2; break;
+        case 8: r = 3; break;
+        default:
+                dev_err(&client->dev, "fan_div value %ld not supported. Choose one of 1, 2, 4 or 8!\n", v);
+                return -EINVAL;
+        }
+
+        down(&data->update_lock);
+        data->fan_div[n - 1] = r;
+
+        if (n == 1)
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0xc0) | (r << 6));
+        else
+                gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x30) | (r << 4));
+
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_fan_off(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        u8 r = simple_strtoul(buf, NULL, 10)?1:0;
+
+        down(&data->update_lock);
+        data->fan_off = r;
+        gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x0c) | (r << 2));
+        up(&data->update_lock);
+        return count;
+}
+
+#define TEMP_FROM_REG(val) (((val) - 130) * 1000)
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((((val)<0?(val)-500:(val)+500) / 1000)+130),0,255))
+
+static ssize_t get_temp_input(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_input[n - 1]));
+}
+
+static ssize_t get_temp_max(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[n - 1]));
+}
+
+static ssize_t get_temp_max_hyst(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max_hyst[n - 1]));
+}
+
+static ssize_t set_temp_max(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        long v = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_max[n - 1] = TEMP_TO_REG(v);;
+        gl520_write_value(client, reg, data->temp_max[n - 1]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_temp_max_hyst(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        long v = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_max_hyst[n - 1] = TEMP_TO_REG(v);
+        gl520_write_value(client, reg, data->temp_max_hyst[n - 1]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t get_alarms(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", data->alarms);
+}
+
+static ssize_t get_beep_enable(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", data->beep_enable);
+}
+
+static ssize_t get_beep_mask(struct gl520_data *data, char *buf, int n)
+{
+        return sprintf(buf, "%d\n", data->beep_mask);
+}
+
+static ssize_t set_beep_enable(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        u8 r = simple_strtoul(buf, NULL, 10)?0:1;
+
+        down(&data->update_lock);
+        data->beep_enable = !r;
+        gl520_write_value(client, reg, (gl520_read_value(client, reg) & ~0x04) | (r << 2));
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_beep_mask(struct i2c_client *client, struct gl520_data *data, const char *buf, size_t count, int n, int reg)
+{
+        u8 r = simple_strtoul(buf, NULL, 10);
+        
+        down(&data->update_lock);
+        r &= data->alarm_mask;
+        data->beep_mask = r;
+        gl520_write_value(client, reg, r);
+        up(&data->update_lock);
+        return count;
+}
+
+
+/*
+ * Real code
+ */
+
+static int gl520_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, gl520_detect);
+}
+
+static int gl520_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct gl520_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+                                     I2C_FUNC_SMBUS_WORD_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access gl520_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct gl520_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct gl520_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &gl520_driver;
+        new_client->flags = 0;
+
+        /* Determine the chip type. */
+        if (kind < 0) {
+                if ((gl520_read_value(new_client, GL520_REG_CHIP_ID) != 0x20) ||
+                    ((gl520_read_value(new_client, GL520_REG_REVISION) & 0x7f) != 0x00) ||
+                    ((gl520_read_value(new_client, GL520_REG_CONF) & 0x80) != 0x00)) {
+                        dev_dbg(&new_client->dev, "Unknown chip type, skipping\n");
+                        goto exit_free;
+                }
+        }
+
+        /* Fill in the remaining client fields */
+        strlcpy(new_client->name, "gl520sm", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the GL520SM chip */
+        gl520_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file_vid(new_client, 0);
+
+        device_create_file_in(new_client, 0);
+        device_create_file_in(new_client, 1);
+        device_create_file_in(new_client, 2);
+        device_create_file_in(new_client, 3);
+        if (!data->two_temps)
+                device_create_file_in(new_client, 4);
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        device_create_file_fan_off(new_client, 1);
+
+        device_create_file_temp(new_client, 1);
+        if (data->two_temps)
+                device_create_file_temp(new_client, 2);
+
+        device_create_file_alarms(new_client);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+
+/* Called when we have found a new GL520SM. */
+static void gl520_init_client(struct i2c_client *client)
+{
+        struct gl520_data *data = i2c_get_clientdata(client);
+        u8 oldconf, conf;
+
+        conf = oldconf = gl520_read_value(client, GL520_REG_CONF);
+
+        data->alarm_mask = 0xff;
+        data->vrm = i2c_which_vrm();
+
+        if (extra_sensor_type == 1)
+                conf &= ~0x10;
+        else if (extra_sensor_type == 2)
+                conf |= 0x10;
+        data->two_temps = !(conf & 0x10);
+
+        /* If IRQ# is disabled, we can safely force comparator mode */
+        if (!(conf & 0x20))
+                conf &= 0xf7;
+
+        /* Enable monitoring if needed */
+        conf |= 0x40;
+
+        if (conf != oldconf)
+                gl520_write_value(client, GL520_REG_CONF, conf);
+
+        gl520_update_device(&(client->dev));
+
+        if (data->fan_min[0] == 0)
+                data->alarm_mask &= ~0x20;
+        if (data->fan_min[1] == 0)
+                data->alarm_mask &= ~0x40;
+
+        data->beep_mask &= data->alarm_mask;
+        gl520_write_value(client, GL520_REG_BEEP_MASK, data->beep_mask);
+}
+
+static int gl520_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+
+/* Registers 0x07 to 0x0c are word-sized, others are byte-sized 
+   GL520 uses a high-byte first convention */
+static int gl520_read_value(struct i2c_client *client, u8 reg)
+{
+        if ((reg >= 0x07) && (reg <= 0x0c))
+                return swab16(i2c_smbus_read_word_data(client, reg));
+        else
+                return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int gl520_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if ((reg >= 0x07) && (reg <= 0x0c))
+                return i2c_smbus_write_word_data(client, reg, swab16(value));
+        else
+                return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+
+static struct gl520_data *gl520_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct gl520_data *data = i2c_get_clientdata(client);
+        int val;
+
+        down(&data->update_lock);
+
+        if ((jiffies - data->last_updated > 2 * HZ) ||
+            (jiffies < data->last_updated) || !data->valid) {
+
+                dev_dbg(&client->dev, "Starting gl520sm update\n");
+
+                data->alarms = gl520_read_value(client, GL520_REG_ALARMS);
+                data->beep_mask = gl520_read_value(client, GL520_REG_BEEP_MASK);
+                data->vid = gl520_read_value(client, GL520_REG_VID_INPUT) & 0x1f;
+
+                val = gl520_read_value(client, GL520_REG_IN0_LIMIT);
+                data->in_min[0] = val & 0xff;
+                data->in_max[0] = (val >> 8) & 0xff;
+                val = gl520_read_value(client, GL520_REG_IN1_LIMIT);
+                data->in_min[1] = val & 0xff;
+                data->in_max[1] = (val >> 8) & 0xff;
+                val = gl520_read_value(client, GL520_REG_IN2_LIMIT);
+                data->in_min[2] = val & 0xff;
+                data->in_max[2] = (val >> 8) & 0xff;
+                val = gl520_read_value(client, GL520_REG_IN3_LIMIT);
+                data->in_min[3] = val & 0xff;
+                data->in_max[3] = (val >> 8) & 0xff;
+
+                val = gl520_read_value(client, GL520_REG_FAN_INPUT);
+                data->fan_input[0] = (val >> 8) & 0xff;
+                data->fan_input[1] = val & 0xff;
+
+                val = gl520_read_value(client, GL520_REG_FAN_MIN);
+                data->fan_min[0] = (val >> 8) & 0xff;
+                data->fan_min[1] = val & 0xff;
+
+                data->temp_input[0] = gl520_read_value(client, GL520_REG_TEMP1_INPUT);
+                data->temp_max[0] = gl520_read_value(client, GL520_REG_TEMP1_MAX);
+                data->temp_max_hyst[0] = gl520_read_value(client, GL520_REG_TEMP1_MAX_HYST);
+
+                val = gl520_read_value(client, GL520_REG_FAN_DIV);
+                data->fan_div[0] = (val >> 6) & 0x03;
+                data->fan_div[1] = (val >> 4) & 0x03;
+                data->fan_off = (val >> 2) & 0x01;
+
+                data->alarms &= data->alarm_mask;
+
+                val = gl520_read_value(client, GL520_REG_CONF);
+                data->beep_enable = !((val >> 2) & 1);
+
+                data->in_input[0] = gl520_read_value(client, GL520_REG_IN0_INPUT);
+                data->in_input[1] = gl520_read_value(client, GL520_REG_IN1_INPUT);
+                data->in_input[2] = gl520_read_value(client, GL520_REG_IN2_INPUT);
+                data->in_input[3] = gl520_read_value(client, GL520_REG_IN3_INPUT);
+
+                /* Temp1 and Vin4 are the same input */
+                if (data->two_temps) {
+                        data->temp_input[1] = gl520_read_value(client, GL520_REG_TEMP2_INPUT);
+                        data->temp_max[1] = gl520_read_value(client, GL520_REG_TEMP2_MAX);
+                        data->temp_max_hyst[1] = gl520_read_value(client, GL520_REG_TEMP2_MAX_HYST);
+                } else {
+                        data->in_input[4] = gl520_read_value(client, GL520_REG_IN4_INPUT);
+                        data->in_min[4] = gl520_read_value(client, GL520_REG_IN4_MIN);
+                        data->in_max[4] = gl520_read_value(client, GL520_REG_IN4_MAX);
+                }
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+
+static int __init sensors_gl520sm_init(void)
+{
+        return i2c_add_driver(&gl520_driver);
+}
+
+static void __exit sensors_gl520sm_exit(void)
+{
+        i2c_del_driver(&gl520_driver);
+}
+
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
+        "Kyösti Mälkki <kmalkki@cc.hut.fi>, "
+        "Maarten Deprez <maartendeprez@users.sourceforge.net>");
+MODULE_DESCRIPTION("GL520SM driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_gl520sm_init);
+module_exit(sensors_gl520sm_exit);
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
new file mode 100644
index 000000000000..7f29a8aff165
--- /dev/null
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -0,0 +1,1658 @@
+/*
+ * isp1301_omap - ISP 1301 USB transceiver, talking to OMAP OTG controller
+ *
+ * Copyright (C) 2004 Texas Instruments
+ * Copyright (C) 2004 David Brownell
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#undef  DEBUG
+#undef  VERBOSE
+
+#include <linux/config.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/usb_ch9.h>
+#include <linux/usb_gadget.h>
+#include <linux/usb.h>
+#include <linux/usb_otg.h>
+#include <linux/i2c.h>
+#include <linux/workqueue.h>
+
+#include <asm/irq.h>
+#include <asm/arch/usb.h>
+
+
+#ifndef DEBUG
+#undef  VERBOSE
+#endif
+
+
+#define DRIVER_VERSION  "24 August 2004"
+#define DRIVER_NAME     (isp1301_driver.name)
+
+MODULE_DESCRIPTION("ISP1301 USB OTG Transceiver Driver");
+MODULE_LICENSE("GPL");
+
+struct isp1301 {
+        struct otg_transceiver  otg;
+        struct i2c_client       client;
+        void                    (*i2c_release)(struct device *dev);
+
+        int                     irq;
+
+        u32                     last_otg_ctrl;
+        unsigned                working:1;
+
+        struct timer_list       timer;
+
+        /* use keventd context to change the state for us */
+        struct work_struct      work;
+        
+        unsigned long           todo;
+#               define WORK_UPDATE_ISP  0       /* update ISP from OTG */
+#               define WORK_UPDATE_OTG  1       /* update OTG from ISP */
+#               define WORK_HOST_RESUME 4       /* resume host */
+#               define WORK_TIMER       6       /* timer fired */
+#               define WORK_STOP        7       /* don't resubmit */
+};
+
+
+/* bits in OTG_CTRL_REG */
+
+#define OTG_XCEIV_OUTPUTS \
+        (OTG_ASESSVLD|OTG_BSESSEND|OTG_BSESSVLD|OTG_VBUSVLD|OTG_ID)
+#define OTG_XCEIV_INPUTS \
+        (OTG_PULLDOWN|OTG_PULLUP|OTG_DRV_VBUS|OTG_PD_VBUS|OTG_PU_VBUS|OTG_PU_ID)
+#define OTG_CTRL_BITS \
+        (OTG_A_BUSREQ|OTG_A_SETB_HNPEN|OTG_B_BUSREQ|OTG_B_HNPEN|OTG_BUSDROP)
+        /* and OTG_PULLUP is sometimes written */
+
+#define OTG_CTRL_MASK   (OTG_DRIVER_SEL| \
+        OTG_XCEIV_OUTPUTS|OTG_XCEIV_INPUTS| \
+        OTG_CTRL_BITS)
+
+
+/*-------------------------------------------------------------------------*/
+
+#ifdef  CONFIG_MACH_OMAP_H2
+
+/* board-specific PM hooks */
+
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/mach-types.h>
+
+
+#if     defined(CONFIG_TPS65010) || defined(CONFIG_TPS65010_MODULE)
+
+#include <asm/arch/tps65010.h>
+
+#else
+
+static inline int tps65010_set_vbus_draw(unsigned mA)
+{
+        pr_debug("tps65010: draw %d mA (STUB)\n", mA);
+        return 0;
+}
+
+#endif
+
+static void enable_vbus_draw(struct isp1301 *isp, unsigned mA)
+{
+        int status = tps65010_set_vbus_draw(mA);
+        if (status < 0)
+                pr_debug("  VBUS %d mA error %d\n", mA, status);
+}
+
+static void enable_vbus_source(struct isp1301 *isp)
+{
+        /* this board won't supply more than 8mA vbus power.
+         * some boards can switch a 100ma "unit load" (or more).
+         */
+}
+
+
+/* products will deliver OTG messages with LEDs, GUI, etc */
+static inline void notresponding(struct isp1301 *isp)
+{
+        printk(KERN_NOTICE "OTG device not responding.\n");
+}
+
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+/* only two addresses possible */
+#define ISP_BASE                0x2c
+static unsigned short normal_i2c[] = {
+        ISP_BASE, ISP_BASE + 1,
+        I2C_CLIENT_END };
+static unsigned short normal_i2c_range[] = { I2C_CLIENT_END };
+
+I2C_CLIENT_INSMOD;
+
+static struct i2c_driver isp1301_driver;
+
+/* smbus apis are used for portability */
+
+static inline u8
+isp1301_get_u8(struct isp1301 *isp, u8 reg)
+{
+        return i2c_smbus_read_byte_data(&isp->client, reg + 0);
+}
+
+static inline int
+isp1301_get_u16(struct isp1301 *isp, u8 reg)
+{
+        return i2c_smbus_read_word_data(&isp->client, reg);
+}
+
+static inline int
+isp1301_set_bits(struct isp1301 *isp, u8 reg, u8 bits)
+{
+        return i2c_smbus_write_byte_data(&isp->client, reg + 0, bits);
+}
+
+static inline int
+isp1301_clear_bits(struct isp1301 *isp, u8 reg, u8 bits)
+{
+        return i2c_smbus_write_byte_data(&isp->client, reg + 1, bits);
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* identification */
+#define ISP1301_VENDOR_ID               0x00    /* u16 read */
+#define ISP1301_PRODUCT_ID              0x02    /* u16 read */
+#define ISP1301_BCD_DEVICE              0x14    /* u16 read */
+
+#define I2C_VENDOR_ID_PHILIPS           0x04cc
+#define I2C_PRODUCT_ID_PHILIPS_1301     0x1301
+
+/* operational registers */
+#define ISP1301_MODE_CONTROL_1          0x04    /* u8 read, set, +1 clear */
+#       define  MC1_SPEED_REG           (1 << 0)
+#       define  MC1_SUSPEND_REG         (1 << 1)
+#       define  MC1_DAT_SE0             (1 << 2)
+#       define  MC1_TRANSPARENT         (1 << 3)
+#       define  MC1_BDIS_ACON_EN        (1 << 4)
+#       define  MC1_OE_INT_EN           (1 << 5)
+#       define  MC1_UART_EN             (1 << 6)
+#       define  MC1_MASK                0x7f
+#define ISP1301_MODE_CONTROL_2          0x12    /* u8 read, set, +1 clear */
+#       define  MC2_GLOBAL_PWR_DN       (1 << 0)
+#       define  MC2_SPD_SUSP_CTRL       (1 << 1)
+#       define  MC2_BI_DI               (1 << 2)
+#       define  MC2_TRANSP_BDIR0        (1 << 3)
+#       define  MC2_TRANSP_BDIR1        (1 << 4)
+#       define  MC2_AUDIO_EN            (1 << 5)
+#       define  MC2_PSW_EN              (1 << 6)
+#       define  MC2_EN2V7               (1 << 7)
+#define ISP1301_OTG_CONTROL_1           0x06    /* u8 read, set, +1 clear */
+#       define  OTG1_DP_PULLUP          (1 << 0)
+#       define  OTG1_DM_PULLUP          (1 << 1)
+#       define  OTG1_DP_PULLDOWN        (1 << 2)
+#       define  OTG1_DM_PULLDOWN        (1 << 3)
+#       define  OTG1_ID_PULLDOWN        (1 << 4)
+#       define  OTG1_VBUS_DRV           (1 << 5)
+#       define  OTG1_VBUS_DISCHRG       (1 << 6)
+#       define  OTG1_VBUS_CHRG          (1 << 7)
+#define ISP1301_OTG_STATUS              0x10    /* u8 readonly */
+#       define  OTG_B_SESS_END          (1 << 6)
+#       define  OTG_B_SESS_VLD          (1 << 7)
+
+#define ISP1301_INTERRUPT_SOURCE        0x08    /* u8 read */
+#define ISP1301_INTERRUPT_LATCH         0x0A    /* u8 read, set, +1 clear */
+
+#define ISP1301_INTERRUPT_FALLING       0x0C    /* u8 read, set, +1 clear */
+#define ISP1301_INTERRUPT_RISING        0x0E    /* u8 read, set, +1 clear */
+
+/* same bitfields in all interrupt registers */
+#       define  INTR_VBUS_VLD           (1 << 0)
+#       define  INTR_SESS_VLD           (1 << 1)
+#       define  INTR_DP_HI              (1 << 2)
+#       define  INTR_ID_GND             (1 << 3)
+#       define  INTR_DM_HI              (1 << 4)
+#       define  INTR_ID_FLOAT           (1 << 5)
+#       define  INTR_BDIS_ACON          (1 << 6)
+#       define  INTR_CR_INT             (1 << 7)
+
+/*-------------------------------------------------------------------------*/
+
+static const char *state_string(enum usb_otg_state state)
+{
+        switch (state) {
+        case OTG_STATE_A_IDLE:          return "a_idle";
+        case OTG_STATE_A_WAIT_VRISE:    return "a_wait_vrise";
+        case OTG_STATE_A_WAIT_BCON:     return "a_wait_bcon";
+        case OTG_STATE_A_HOST:          return "a_host";
+        case OTG_STATE_A_SUSPEND:       return "a_suspend";
+        case OTG_STATE_A_PERIPHERAL:    return "a_peripheral";
+        case OTG_STATE_A_WAIT_VFALL:    return "a_wait_vfall";
+        case OTG_STATE_A_VBUS_ERR:      return "a_vbus_err";
+        case OTG_STATE_B_IDLE:          return "b_idle";
+        case OTG_STATE_B_SRP_INIT:      return "b_srp_init";
+        case OTG_STATE_B_PERIPHERAL:    return "b_peripheral";
+        case OTG_STATE_B_WAIT_ACON:     return "b_wait_acon";
+        case OTG_STATE_B_HOST:          return "b_host";
+        default:                        return "UNDEFINED";
+        }
+}
+
+static inline const char *state_name(struct isp1301 *isp)
+{
+        return state_string(isp->otg.state);
+}
+
+#ifdef  VERBOSE
+#define dev_vdbg                        dev_dbg
+#else
+#define dev_vdbg(dev, fmt, arg...)      do{}while(0)
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+/* NOTE:  some of this ISP1301 setup is specific to H2 boards;
+ * not everything is guarded by board-specific checks, or even using
+ * omap_usb_config data to deduce MC1_DAT_SE0 and MC2_BI_DI.
+ *
+ * ALSO:  this currently doesn't use ISP1301 low-power modes
+ * while OTG is running.
+ */
+
+static void power_down(struct isp1301 *isp)
+{
+        isp->otg.state = OTG_STATE_UNDEFINED;
+
+        // isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
+        isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND_REG);
+
+        isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_ID_PULLDOWN);
+        isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
+}
+
+static void power_up(struct isp1301 *isp)
+{
+        // isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, MC2_GLOBAL_PWR_DN);
+        isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_SUSPEND_REG);
+        
+        /* do this only when cpu is driving transceiver,
+         * so host won't see a low speed device...
+         */
+        isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
+}
+
+#define NO_HOST_SUSPEND
+
+static int host_suspend(struct isp1301 *isp)
+{
+#ifdef  NO_HOST_SUSPEND
+        return 0;
+#else
+        struct device   *dev;
+
+        if (!isp->otg.host)
+                return -ENODEV;
+
+        /* Currently ASSUMES only the OTG port matters;
+         * other ports could be active...
+         */
+        dev = isp->otg.host->controller;
+        return dev->driver->suspend(dev, 3, 0);
+#endif
+}
+
+static int host_resume(struct isp1301 *isp)
+{
+#ifdef  NO_HOST_SUSPEND
+        return 0;
+#else
+        struct device   *dev;
+
+        if (!isp->otg.host)
+                return -ENODEV;
+
+        dev = isp->otg.host->controller;
+        return dev->driver->resume(dev, 0);
+#endif
+}
+
+static int gadget_suspend(struct isp1301 *isp)
+{
+        isp->otg.gadget->b_hnp_enable = 0;
+        isp->otg.gadget->a_hnp_support = 0;
+        isp->otg.gadget->a_alt_hnp_support = 0;
+        return usb_gadget_vbus_disconnect(isp->otg.gadget);
+}
+
+/*-------------------------------------------------------------------------*/
+
+#define TIMER_MINUTES   10
+#define TIMER_JIFFIES   (TIMER_MINUTES * 60 * HZ)
+
+/* Almost all our I2C messaging comes from a work queue's task context.
+ * NOTE: guaranteeing certain response times might mean we shouldn't
+ * share keventd's work queue; a realtime task might be safest.
+ */
+void
+isp1301_defer_work(struct isp1301 *isp, int work)
+{
+        int status;
+
+        if (isp && !test_and_set_bit(work, &isp->todo)) {
+                (void) get_device(&isp->client.dev);
+                status = schedule_work(&isp->work);
+                if (!status && !isp->working)
+                        dev_vdbg(&isp->client.dev,
+                                "work item %d may be lost\n", work);
+        }
+}
+
+/* called from irq handlers */
+static void a_idle(struct isp1301 *isp, const char *tag)
+{
+        if (isp->otg.state == OTG_STATE_A_IDLE)
+                return;
+
+        isp->otg.default_a = 1;
+        if (isp->otg.host) {
+                isp->otg.host->is_b_host = 0;
+                host_suspend(isp);
+        }
+        if (isp->otg.gadget) {
+                isp->otg.gadget->is_a_peripheral = 1;
+                gadget_suspend(isp);
+        }
+        isp->otg.state = OTG_STATE_A_IDLE;
+        isp->last_otg_ctrl = OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+        pr_debug("  --> %s/%s\n", state_name(isp), tag);
+}
+
+/* called from irq handlers */
+static void b_idle(struct isp1301 *isp, const char *tag)
+{
+        if (isp->otg.state == OTG_STATE_B_IDLE)
+                return;
+
+        isp->otg.default_a = 0;
+        if (isp->otg.host) {
+                isp->otg.host->is_b_host = 1;
+                host_suspend(isp);
+        }
+        if (isp->otg.gadget) {
+                isp->otg.gadget->is_a_peripheral = 0;
+                gadget_suspend(isp);
+        }
+        isp->otg.state = OTG_STATE_B_IDLE;
+        isp->last_otg_ctrl = OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+        pr_debug("  --> %s/%s\n", state_name(isp), tag);
+}
+
+static void
+dump_regs(struct isp1301 *isp, const char *label)
+{
+#ifdef  DEBUG
+        u8      ctrl = isp1301_get_u8(isp, ISP1301_OTG_CONTROL_1);
+        u8      status = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
+        u8      src = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
+
+        pr_debug("otg: %06x, %s %s, otg/%02x stat/%02x.%02x\n",
+                OTG_CTRL_REG, label, state_name(isp),
+                ctrl, status, src);
+        /* mode control and irq enables don't change much */
+#endif
+}
+
+/*-------------------------------------------------------------------------*/
+
+#ifdef  CONFIG_USB_OTG
+
+/*
+ * The OMAP OTG controller handles most of the OTG state transitions.
+ *
+ * We translate isp1301 outputs (mostly voltage comparator status) into
+ * OTG inputs; OTG outputs (mostly pullup/pulldown controls) and HNP state
+ * flags into isp1301 inputs ... and infer state transitions.
+ */
+
+#ifdef  VERBOSE
+
+static void check_state(struct isp1301 *isp, const char *tag)
+{
+        enum usb_otg_state      state = OTG_STATE_UNDEFINED;
+        u8                      fsm = OTG_TEST_REG & 0x0ff;
+        unsigned                extra = 0;
+
+        switch (fsm) {
+
+        /* default-b */
+        case 0x0:
+                state = OTG_STATE_B_IDLE;
+                break;
+        case 0x3:
+        case 0x7:
+                extra = 1;
+        case 0x1:
+                state = OTG_STATE_B_PERIPHERAL;
+                break;
+        case 0x11:
+                state = OTG_STATE_B_SRP_INIT;
+                break;
+
+        /* extra dual-role default-b states */
+        case 0x12:
+        case 0x13:
+        case 0x16:
+                extra = 1;
+        case 0x17:
+                state = OTG_STATE_B_WAIT_ACON;
+                break;
+        case 0x34:
+                state = OTG_STATE_B_HOST;
+                break;
+
+        /* default-a */
+        case 0x36:
+                state = OTG_STATE_A_IDLE;
+                break;
+        case 0x3c:
+                state = OTG_STATE_A_WAIT_VFALL;
+                break;
+        case 0x7d:
+                state = OTG_STATE_A_VBUS_ERR;
+                break;
+        case 0x9e:
+        case 0x9f:
+                extra = 1;
+        case 0x89:
+                state = OTG_STATE_A_PERIPHERAL;
+                break;
+        case 0xb7:
+                state = OTG_STATE_A_WAIT_VRISE;
+                break;
+        case 0xb8:
+                state = OTG_STATE_A_WAIT_BCON;
+                break;
+        case 0xb9:
+                state = OTG_STATE_A_HOST;
+                break;
+        case 0xba:
+                state = OTG_STATE_A_SUSPEND;
+                break;
+        default:
+                break;
+        }
+        if (isp->otg.state == state && !extra)
+                return;
+        pr_debug("otg: %s FSM %s/%02x, %s, %06x\n", tag,
+                state_string(state), fsm, state_name(isp), OTG_CTRL_REG);
+}
+
+#else
+
+static inline void check_state(struct isp1301 *isp, const char *tag) { }
+
+#endif
+
+/* outputs from ISP1301_INTERRUPT_SOURCE */
+static void update_otg1(struct isp1301 *isp, u8 int_src)
+{
+        u32     otg_ctrl;
+
+        otg_ctrl = OTG_CTRL_REG
+                        & OTG_CTRL_MASK
+                        & ~OTG_XCEIV_INPUTS
+                        & ~(OTG_ID|OTG_ASESSVLD|OTG_VBUSVLD);
+        if (int_src & INTR_SESS_VLD)
+                otg_ctrl |= OTG_ASESSVLD;
+        else if (isp->otg.state == OTG_STATE_A_WAIT_VFALL) {
+                a_idle(isp, "vfall");
+                otg_ctrl &= ~OTG_CTRL_BITS;
+        }
+        if (int_src & INTR_VBUS_VLD)
+                otg_ctrl |= OTG_VBUSVLD;
+        if (int_src & INTR_ID_GND) {            /* default-A */
+                if (isp->otg.state == OTG_STATE_B_IDLE
+                                || isp->otg.state == OTG_STATE_UNDEFINED) {
+                        a_idle(isp, "init");
+                        return;
+                }
+        } else {                                /* default-B */
+                otg_ctrl |= OTG_ID;
+                if (isp->otg.state == OTG_STATE_A_IDLE
+                                || isp->otg.state == OTG_STATE_UNDEFINED) {
+                        b_idle(isp, "init");
+                        return;
+                }
+        }
+        OTG_CTRL_REG = otg_ctrl;
+}
+
+/* outputs from ISP1301_OTG_STATUS */
+static void update_otg2(struct isp1301 *isp, u8 otg_status)
+{
+        u32     otg_ctrl;
+
+        otg_ctrl = OTG_CTRL_REG
+                        & OTG_CTRL_MASK
+                        & ~OTG_XCEIV_INPUTS
+                        & ~(OTG_BSESSVLD|OTG_BSESSEND);
+        if (otg_status & OTG_B_SESS_VLD)
+                otg_ctrl |= OTG_BSESSVLD;
+        else if (otg_status & OTG_B_SESS_END)
+                otg_ctrl |= OTG_BSESSEND;
+        OTG_CTRL_REG = otg_ctrl;
+}
+
+/* inputs going to ISP1301 */
+static void otg_update_isp(struct isp1301 *isp)
+{
+        u32     otg_ctrl, otg_change;
+        u8      set = OTG1_DM_PULLDOWN, clr = OTG1_DM_PULLUP;
+
+        otg_ctrl = OTG_CTRL_REG;
+        otg_change = otg_ctrl ^ isp->last_otg_ctrl;
+        isp->last_otg_ctrl = otg_ctrl;
+        otg_ctrl = otg_ctrl & OTG_XCEIV_INPUTS;
+
+        switch (isp->otg.state) {
+        case OTG_STATE_B_IDLE:
+        case OTG_STATE_B_PERIPHERAL:
+        case OTG_STATE_B_SRP_INIT:
+                if (!(otg_ctrl & OTG_PULLUP)) {
+                        // if (otg_ctrl & OTG_B_HNPEN) {
+                        if (isp->otg.gadget->b_hnp_enable) {
+                                isp->otg.state = OTG_STATE_B_WAIT_ACON;
+                                pr_debug("  --> b_wait_acon\n");
+                        }
+                        goto pulldown;
+                }
+pullup:
+                set |= OTG1_DP_PULLUP;
+                clr |= OTG1_DP_PULLDOWN;
+                break;
+        case OTG_STATE_A_SUSPEND:
+        case OTG_STATE_A_PERIPHERAL:
+                if (otg_ctrl & OTG_PULLUP)
+                        goto pullup;
+                /* FALLTHROUGH */
+        // case OTG_STATE_B_WAIT_ACON:
+        default:
+pulldown:
+                set |= OTG1_DP_PULLDOWN;
+                clr |= OTG1_DP_PULLUP;
+                break;
+        }
+
+#       define toggle(OTG,ISP) do { \
+                if (otg_ctrl & OTG) set |= ISP; \
+                else clr |= ISP; \
+                } while (0)
+
+        if (!(isp->otg.host))
+                otg_ctrl &= ~OTG_DRV_VBUS;
+
+        switch (isp->otg.state) {
+        case OTG_STATE_A_SUSPEND:
+                if (otg_ctrl & OTG_DRV_VBUS) {
+                        set |= OTG1_VBUS_DRV;
+                        break;
+                }
+                /* HNP failed for some reason (A_AIDL_BDIS timeout) */
+                notresponding(isp);
+
+                /* FALLTHROUGH */
+        case OTG_STATE_A_VBUS_ERR:
+                isp->otg.state = OTG_STATE_A_WAIT_VFALL;
+                pr_debug("  --> a_wait_vfall\n");
+                /* FALLTHROUGH */
+        case OTG_STATE_A_WAIT_VFALL:
+                /* FIXME usbcore thinks port power is still on ... */
+                clr |= OTG1_VBUS_DRV;
+                break;
+        case OTG_STATE_A_IDLE:
+                if (otg_ctrl & OTG_DRV_VBUS) {
+                        isp->otg.state = OTG_STATE_A_WAIT_VRISE;
+                        pr_debug("  --> a_wait_vrise\n");
+                }
+                /* FALLTHROUGH */
+        default:
+                toggle(OTG_DRV_VBUS, OTG1_VBUS_DRV);
+        }
+
+        toggle(OTG_PU_VBUS, OTG1_VBUS_CHRG);
+        toggle(OTG_PD_VBUS, OTG1_VBUS_DISCHRG);
+
+#       undef toggle
+
+        isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, set);
+        isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, clr);
+
+        /* HNP switch to host or peripheral; and SRP */
+        if (otg_change & OTG_PULLUP) {
+                switch (isp->otg.state) {
+                case OTG_STATE_B_IDLE:
+                        if (clr & OTG1_DP_PULLUP)
+                                break;
+                        isp->otg.state = OTG_STATE_B_PERIPHERAL;
+                        pr_debug("  --> b_peripheral\n");
+                        break;
+                case OTG_STATE_A_SUSPEND:
+                        if (clr & OTG1_DP_PULLUP)
+                                break;
+                        isp->otg.state = OTG_STATE_A_PERIPHERAL;
+                        pr_debug("  --> a_peripheral\n");
+                        break;
+                default:
+                        break;
+                }
+                OTG_CTRL_REG |= OTG_PULLUP;
+        }
+
+        check_state(isp, __FUNCTION__);
+        dump_regs(isp, "otg->isp1301");
+}
+
+static irqreturn_t omap_otg_irq(int irq, void *_isp, struct pt_regs *regs)
+{
+        u16             otg_irq = OTG_IRQ_SRC_REG;
+        u32             otg_ctrl;
+        int             ret = IRQ_NONE;
+        struct isp1301  *isp = _isp;
+
+        /* update ISP1301 transciever from OTG controller */
+        if (otg_irq & OPRT_CHG) {
+                OTG_IRQ_SRC_REG = OPRT_CHG;
+                isp1301_defer_work(isp, WORK_UPDATE_ISP);
+                ret = IRQ_HANDLED;
+
+        /* SRP to become b_peripheral failed */
+        } else if (otg_irq & B_SRP_TMROUT) {
+                pr_debug("otg: B_SRP_TIMEOUT, %06x\n", OTG_CTRL_REG);
+                notresponding(isp);
+
+                /* gadget drivers that care should monitor all kinds of
+                 * remote wakeup (SRP, normal) using their own timer
+                 * to give "check cable and A-device" messages.
+                 */
+                if (isp->otg.state == OTG_STATE_B_SRP_INIT)
+                        b_idle(isp, "srp_timeout");
+
+                OTG_IRQ_SRC_REG = B_SRP_TMROUT;
+                ret = IRQ_HANDLED;
+
+        /* HNP to become b_host failed */
+        } else if (otg_irq & B_HNP_FAIL) {
+                pr_debug("otg: %s B_HNP_FAIL, %06x\n",
+                                state_name(isp), OTG_CTRL_REG);
+                notresponding(isp);
+
+                otg_ctrl = OTG_CTRL_REG;
+                otg_ctrl |= OTG_BUSDROP;
+                otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
+                OTG_CTRL_REG = otg_ctrl;
+
+                /* subset of b_peripheral()... */
+                isp->otg.state = OTG_STATE_B_PERIPHERAL;
+                pr_debug("  --> b_peripheral\n");
+
+                OTG_IRQ_SRC_REG = B_HNP_FAIL;
+                ret = IRQ_HANDLED;
+
+        /* detect SRP from B-device ... */
+        } else if (otg_irq & A_SRP_DETECT) {
+                pr_debug("otg: %s SRP_DETECT, %06x\n",
+                                state_name(isp), OTG_CTRL_REG);
+
+                isp1301_defer_work(isp, WORK_UPDATE_OTG);
+                switch (isp->otg.state) {
+                case OTG_STATE_A_IDLE:
+                        if (!isp->otg.host)
+                                break;
+                        isp1301_defer_work(isp, WORK_HOST_RESUME);
+                        otg_ctrl = OTG_CTRL_REG;
+                        otg_ctrl |= OTG_A_BUSREQ;
+                        otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
+                                        & ~OTG_XCEIV_INPUTS
+                                        & OTG_CTRL_MASK;
+                        OTG_CTRL_REG = otg_ctrl;
+                        break;
+                default:
+                        break;
+                }
+
+                OTG_IRQ_SRC_REG = A_SRP_DETECT;
+                ret = IRQ_HANDLED;
+
+        /* timer expired:  T(a_wait_bcon) and maybe T(a_wait_vrise)
+         * we don't track them separately
+         */
+        } else if (otg_irq & A_REQ_TMROUT) {
+                otg_ctrl = OTG_CTRL_REG;
+                pr_info("otg: BCON_TMOUT from %s, %06x\n",
+                                state_name(isp), otg_ctrl);
+                notresponding(isp);
+
+                otg_ctrl |= OTG_BUSDROP;
+                otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
+                OTG_CTRL_REG = otg_ctrl;
+                isp->otg.state = OTG_STATE_A_WAIT_VFALL;
+
+                OTG_IRQ_SRC_REG = A_REQ_TMROUT;
+                ret = IRQ_HANDLED;
+
+        /* A-supplied voltage fell too low; overcurrent */
+        } else if (otg_irq & A_VBUS_ERR) {
+                otg_ctrl = OTG_CTRL_REG;
+                printk(KERN_ERR "otg: %s, VBUS_ERR %04x ctrl %06x\n",
+                        state_name(isp), otg_irq, otg_ctrl);
+
+                otg_ctrl |= OTG_BUSDROP;
+                otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
+                OTG_CTRL_REG = otg_ctrl;
+                isp->otg.state = OTG_STATE_A_VBUS_ERR;
+
+                OTG_IRQ_SRC_REG = A_VBUS_ERR;
+                ret = IRQ_HANDLED;
+
+        /* switch driver; the transciever code activates it,
+         * ungating the udc clock or resuming OHCI.
+         */
+        } else if (otg_irq & DRIVER_SWITCH) {
+                int     kick = 0;
+
+                otg_ctrl = OTG_CTRL_REG;
+                printk(KERN_NOTICE "otg: %s, SWITCH to %s, ctrl %06x\n",
+                                state_name(isp),
+                                (otg_ctrl & OTG_DRIVER_SEL)
+                                        ? "gadget" : "host",
+                                otg_ctrl);
+                isp1301_defer_work(isp, WORK_UPDATE_ISP);
+
+                /* role is peripheral */
+                if (otg_ctrl & OTG_DRIVER_SEL) {
+                        switch (isp->otg.state) {
+                        case OTG_STATE_A_IDLE:
+                                b_idle(isp, __FUNCTION__);
+                                break;
+                        default:
+                                break;
+                        }
+                        isp1301_defer_work(isp, WORK_UPDATE_ISP);
+
+                /* role is host */
+                } else {
+                        if (!(otg_ctrl & OTG_ID)) {
+                                otg_ctrl &= OTG_CTRL_MASK & ~OTG_XCEIV_INPUTS;
+                                OTG_CTRL_REG = otg_ctrl | OTG_A_BUSREQ;
+                        }
+
+                        if (isp->otg.host) {
+                                switch (isp->otg.state) {
+                                case OTG_STATE_B_WAIT_ACON:
+                                        isp->otg.state = OTG_STATE_B_HOST;
+                                        pr_debug("  --> b_host\n");
+                                        kick = 1;
+                                        break;
+                                case OTG_STATE_A_WAIT_BCON:
+                                        isp->otg.state = OTG_STATE_A_HOST;
+                                        pr_debug("  --> a_host\n");
+                                        break;
+                                case OTG_STATE_A_PERIPHERAL:
+                                        isp->otg.state = OTG_STATE_A_WAIT_BCON;
+                                        pr_debug("  --> a_wait_bcon\n");
+                                        break;
+                                default:
+                                        break;
+                                }
+                                isp1301_defer_work(isp, WORK_HOST_RESUME);
+                        }
+                }
+
+                OTG_IRQ_SRC_REG = DRIVER_SWITCH;
+                ret = IRQ_HANDLED;
+
+                if (kick)
+                        usb_bus_start_enum(isp->otg.host,
+                                                isp->otg.host->otg_port);
+        }
+
+        check_state(isp, __FUNCTION__);
+        return ret;
+}
+
+static struct platform_device *otg_dev;
+
+static int otg_init(struct isp1301 *isp)
+{
+        if (!otg_dev)
+                return -ENODEV;
+
+        dump_regs(isp, __FUNCTION__);
+        /* some of these values are board-specific... */
+        OTG_SYSCON_2_REG |= OTG_EN
+                /* for B-device: */
+                | SRP_GPDATA            /* 9msec Bdev D+ pulse */
+                | SRP_GPDVBUS           /* discharge after VBUS pulse */
+                // | (3 << 24)          /* 2msec VBUS pulse */
+                /* for A-device: */
+                | (0 << 20)             /* 200ms nominal A_WAIT_VRISE timer */
+                | SRP_DPW               /* detect 167+ns SRP pulses */
+                | SRP_DATA | SRP_VBUS   /* accept both kinds of SRP pulse */
+                ;
+
+        update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
+        update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
+
+        check_state(isp, __FUNCTION__);
+        pr_debug("otg: %s, %s %06x\n",
+                        state_name(isp), __FUNCTION__, OTG_CTRL_REG);
+
+        OTG_IRQ_EN_REG = DRIVER_SWITCH | OPRT_CHG
+                        | B_SRP_TMROUT | B_HNP_FAIL
+                        | A_VBUS_ERR | A_SRP_DETECT | A_REQ_TMROUT;
+        OTG_SYSCON_2_REG |= OTG_EN;
+
+        return 0;
+}
+
+static int otg_probe(struct device *dev)
+{
+        // struct omap_usb_config *config = dev->platform_data;
+
+        otg_dev = to_platform_device(dev);
+        return 0;
+}
+
+static int otg_remove(struct device *dev)
+{
+        otg_dev = 0;
+        return 0;
+}
+
+struct device_driver omap_otg_driver = {
+        .name           = "omap_otg",
+        .bus            = &platform_bus_type,
+        .probe          = otg_probe,
+        .remove         = otg_remove,   
+};
+
+static int otg_bind(struct isp1301 *isp)
+{
+        int     status;
+
+        if (otg_dev)
+                return -EBUSY;
+
+        status = driver_register(&omap_otg_driver);
+        if (status < 0)
+                return status;
+
+        if (otg_dev)
+                status = request_irq(otg_dev->resource[1].start, omap_otg_irq,
+                                SA_INTERRUPT, DRIVER_NAME, isp);
+        else
+                status = -ENODEV;
+
+        if (status < 0)
+                driver_unregister(&omap_otg_driver);
+        return status;
+}
+
+static void otg_unbind(struct isp1301 *isp)
+{
+        if (!otg_dev)
+                return;
+        free_irq(otg_dev->resource[1].start, isp);
+}
+
+#else
+
+/* OTG controller isn't clocked */
+
+#endif  /* CONFIG_USB_OTG */
+
+/*-------------------------------------------------------------------------*/
+
+static void b_peripheral(struct isp1301 *isp)
+{
+        OTG_CTRL_REG = OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+        usb_gadget_vbus_connect(isp->otg.gadget);
+
+#ifdef  CONFIG_USB_OTG
+        enable_vbus_draw(isp, 8);
+        otg_update_isp(isp);
+#else
+        enable_vbus_draw(isp, 100);
+        /* UDC driver just set OTG_BSESSVLD */
+        isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLUP);
+        isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_DP_PULLDOWN);
+        isp->otg.state = OTG_STATE_B_PERIPHERAL;
+        pr_debug("  --> b_peripheral\n");
+        dump_regs(isp, "2periph");
+#endif
+}
+
+static void isp_update_otg(struct isp1301 *isp, u8 stat)
+{
+        u8                      isp_stat, isp_bstat;
+        enum usb_otg_state      state = isp->otg.state;
+
+        if (stat & INTR_BDIS_ACON)
+                pr_debug("OTG:  BDIS_ACON, %s\n", state_name(isp));
+
+        /* start certain state transitions right away */
+        isp_stat = isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE);
+        if (isp_stat & INTR_ID_GND) {
+                if (isp->otg.default_a) {
+                        switch (state) {
+                        case OTG_STATE_B_IDLE:
+                                a_idle(isp, "idle");
+                                /* FALLTHROUGH */
+                        case OTG_STATE_A_IDLE:
+                                enable_vbus_source(isp);
+                                /* FALLTHROUGH */
+                        case OTG_STATE_A_WAIT_VRISE:
+                                /* we skip over OTG_STATE_A_WAIT_BCON, since
+                                 * the HC will transition to A_HOST (or
+                                 * A_SUSPEND!) without our noticing except
+                                 * when HNP is used.
+                                 */
+                                if (isp_stat & INTR_VBUS_VLD)
+                                        isp->otg.state = OTG_STATE_A_HOST;
+                                break;
+                        case OTG_STATE_A_WAIT_VFALL:
+                                if (!(isp_stat & INTR_SESS_VLD))
+                                        a_idle(isp, "vfell");
+                                break;
+                        default:
+                                if (!(isp_stat & INTR_VBUS_VLD))
+                                        isp->otg.state = OTG_STATE_A_VBUS_ERR;
+                                break;
+                        }
+                        isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
+                } else {
+                        switch (state) {
+                        case OTG_STATE_B_PERIPHERAL:
+                        case OTG_STATE_B_HOST:
+                        case OTG_STATE_B_WAIT_ACON:
+                                usb_gadget_vbus_disconnect(isp->otg.gadget);
+                                break;
+                        default:
+                                break;
+                        }
+                        if (state != OTG_STATE_A_IDLE)
+                                a_idle(isp, "id");
+                        if (isp->otg.host && state == OTG_STATE_A_IDLE)
+                                isp1301_defer_work(isp, WORK_HOST_RESUME);
+                        isp_bstat = 0;
+                }
+        } else {
+                /* if user unplugged mini-A end of cable,
+                 * don't bypass A_WAIT_VFALL.
+                 */
+                if (isp->otg.default_a) {
+                        switch (state) {
+                        default:
+                                isp->otg.state = OTG_STATE_A_WAIT_VFALL;
+                                break;
+                        case OTG_STATE_A_WAIT_VFALL:
+                                state = OTG_STATE_A_IDLE;
+                                /* khubd may take a while to notice and
+                                 * handle this disconnect, so don't go
+                                 * to B_IDLE quite yet.
+                                 */
+                                break;
+                        case OTG_STATE_A_IDLE:
+                                host_suspend(isp);
+                                isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1,
+                                                MC1_BDIS_ACON_EN);
+                                isp->otg.state = OTG_STATE_B_IDLE;
+                                OTG_CTRL_REG &= OTG_CTRL_REG & OTG_CTRL_MASK
+                                                & ~OTG_CTRL_BITS;
+                                break;
+                        case OTG_STATE_B_IDLE:
+                                break;
+                        }
+                }
+                isp_bstat = isp1301_get_u8(isp, ISP1301_OTG_STATUS);
+
+                switch (isp->otg.state) {
+                case OTG_STATE_B_PERIPHERAL:
+                case OTG_STATE_B_WAIT_ACON:
+                case OTG_STATE_B_HOST:
+                        if (likely(isp_bstat & OTG_B_SESS_VLD))
+                                break;
+                        enable_vbus_draw(isp, 0);
+#ifndef CONFIG_USB_OTG
+                        /* UDC driver will clear OTG_BSESSVLD */
+                        isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1,
+                                                OTG1_DP_PULLDOWN);
+                        isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
+                                                OTG1_DP_PULLUP);
+                        dump_regs(isp, __FUNCTION__);
+#endif
+                        /* FALLTHROUGH */
+                case OTG_STATE_B_SRP_INIT:
+                        b_idle(isp, __FUNCTION__);
+                        OTG_CTRL_REG &= OTG_CTRL_REG & OTG_XCEIV_OUTPUTS;
+                        /* FALLTHROUGH */
+                case OTG_STATE_B_IDLE:
+                        if (isp->otg.gadget && (isp_bstat & OTG_B_SESS_VLD)) {
+#ifdef  CONFIG_USB_OTG
+                                update_otg1(isp, isp_stat);
+                                update_otg2(isp, isp_bstat);
+#endif
+                                b_peripheral(isp);
+                        } else if (!(isp_stat & (INTR_VBUS_VLD|INTR_SESS_VLD)))
+                                isp_bstat |= OTG_B_SESS_END;
+                        break;
+                case OTG_STATE_A_WAIT_VFALL:
+                        break;
+                default:
+                        pr_debug("otg: unsupported b-device %s\n",
+                                state_name(isp));
+                        break;
+                }
+        }
+
+        if (state != isp->otg.state)
+                pr_debug("  isp, %s -> %s\n",
+                                state_string(state), state_name(isp));
+
+#ifdef  CONFIG_USB_OTG
+        /* update the OTG controller state to match the isp1301; may
+         * trigger OPRT_CHG irqs for changes going to the isp1301.
+         */
+        update_otg1(isp, isp_stat);
+        update_otg2(isp, isp_bstat);
+        check_state(isp, __FUNCTION__);
+#endif
+
+        dump_regs(isp, "isp1301->otg");
+}
+
+/*-------------------------------------------------------------------------*/
+
+static u8 isp1301_clear_latch(struct isp1301 *isp)
+{
+        u8 latch = isp1301_get_u8(isp, ISP1301_INTERRUPT_LATCH);
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_LATCH, latch);
+        return latch;
+}
+
+static void
+isp1301_work(void *data)
+{
+        struct isp1301  *isp = data;
+        int             stop;
+
+        /* implicit lock:  we're the only task using this device */
+        isp->working = 1;
+        do {
+                stop = test_bit(WORK_STOP, &isp->todo);
+
+#ifdef  CONFIG_USB_OTG
+                /* transfer state from otg engine to isp1301 */
+                if (test_and_clear_bit(WORK_UPDATE_ISP, &isp->todo)) {
+                        otg_update_isp(isp);
+                        put_device(&isp->client.dev);
+                }
+#endif
+                /* transfer state from isp1301 to otg engine */
+                if (test_and_clear_bit(WORK_UPDATE_OTG, &isp->todo)) {
+                        u8              stat = isp1301_clear_latch(isp);
+
+                        isp_update_otg(isp, stat);
+                        put_device(&isp->client.dev);
+                }
+
+                if (test_and_clear_bit(WORK_HOST_RESUME, &isp->todo)) {
+                        u32     otg_ctrl;
+
+                        /*
+                         * skip A_WAIT_VRISE; hc transitions invisibly
+                         * skip A_WAIT_BCON; same.
+                         */
+                        switch (isp->otg.state) {
+                        case OTG_STATE_A_WAIT_BCON:
+                        case OTG_STATE_A_WAIT_VRISE:
+                                isp->otg.state = OTG_STATE_A_HOST;
+                                pr_debug("  --> a_host\n");
+                                otg_ctrl = OTG_CTRL_REG;
+                                otg_ctrl |= OTG_A_BUSREQ;
+                                otg_ctrl &= ~(OTG_BUSDROP|OTG_B_BUSREQ)
+                                                & OTG_CTRL_MASK;
+                                OTG_CTRL_REG = otg_ctrl;
+                                break;
+                        case OTG_STATE_B_WAIT_ACON:
+                                isp->otg.state = OTG_STATE_B_HOST;
+                                pr_debug("  --> b_host (acon)\n");
+                                break;
+                        case OTG_STATE_B_HOST:
+                        case OTG_STATE_B_IDLE:
+                        case OTG_STATE_A_IDLE:
+                                break;
+                        default:
+                                pr_debug("  host resume in %s\n",
+                                                state_name(isp));
+                        }
+                        host_resume(isp);
+                        // mdelay(10);
+                        put_device(&isp->client.dev);
+                }
+
+                if (test_and_clear_bit(WORK_TIMER, &isp->todo)) {
+#ifdef  VERBOSE
+                        dump_regs(isp, "timer");
+                        if (!stop)
+                                mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
+#endif
+                        put_device(&isp->client.dev);
+                }
+
+                if (isp->todo)
+                        dev_vdbg(&isp->client.dev,
+                                "work done, todo = 0x%lx\n",
+                                isp->todo);
+                if (stop) {
+                        dev_dbg(&isp->client.dev, "stop\n");
+                        break;
+                }
+        } while (isp->todo);
+        isp->working = 0;
+}
+
+static irqreturn_t isp1301_irq(int irq, void *isp, struct pt_regs *regs)
+{
+        isp1301_defer_work(isp, WORK_UPDATE_OTG);
+        return IRQ_HANDLED;
+}
+
+static void isp1301_timer(unsigned long _isp)
+{
+        isp1301_defer_work((void *)_isp, WORK_TIMER);
+}
+
+/*-------------------------------------------------------------------------*/
+
+static void isp1301_release(struct device *dev)
+{
+        struct isp1301  *isp;
+
+        isp = container_of(dev, struct isp1301, client.dev);
+
+        /* ugly -- i2c hijacks our memory hook to wait_for_completion() */
+        if (isp->i2c_release)
+                isp->i2c_release(dev);
+        kfree (isp);
+}
+
+static struct isp1301 *the_transceiver;
+
+static int isp1301_detach_client(struct i2c_client *i2c)
+{
+        struct isp1301  *isp;
+
+        isp = container_of(i2c, struct isp1301, client);
+
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0);
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0);
+        free_irq(isp->irq, isp);
+#ifdef  CONFIG_USB_OTG
+        otg_unbind(isp);
+#endif
+        if (machine_is_omap_h2())
+                omap_free_gpio(2);
+
+        isp->timer.data = 0;
+        set_bit(WORK_STOP, &isp->todo);
+        del_timer_sync(&isp->timer);
+        flush_scheduled_work();
+
+        put_device(&i2c->dev);
+        the_transceiver = 0;
+
+        return i2c_detach_client(i2c);
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* NOTE:  three modes are possible here, only one of which
+ * will be standards-conformant on any given system:
+ *
+ *  - OTG mode (dual-role), required if there's a Mini-AB connector
+ *  - HOST mode, for when there's one or more A (host) connectors
+ *  - DEVICE mode, for when there's a B/Mini-B (device) connector
+ *
+ * As a rule, you won't have an isp1301 chip unless it's there to
+ * support the OTG mode.  Other modes help testing USB controllers 
+ * in isolation from (full) OTG support, or maybe so later board
+ * revisions can help to support those feature.
+ */
+
+#ifdef  CONFIG_USB_OTG
+
+static int isp1301_otg_enable(struct isp1301 *isp)
+{
+        power_up(isp);
+        otg_init(isp);
+
+        /* NOTE:  since we don't change this, this provides
+         * a few more interrupts than are strictly needed.
+         */
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
+                INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
+                INTR_VBUS_VLD | INTR_SESS_VLD | INTR_ID_GND);
+
+        dev_info(&isp->client.dev, "ready for dual-role USB ...\n");
+
+        return 0;
+}
+
+#endif
+
+/* add or disable the host device+driver */
+static int
+isp1301_set_host(struct otg_transceiver *otg, struct usb_bus *host)
+{
+        struct isp1301  *isp = container_of(otg, struct isp1301, otg);
+
+        if (!otg || isp != the_transceiver)
+                return -ENODEV;
+
+        if (!host) {
+                OTG_IRQ_EN_REG = 0;
+                power_down(isp);
+                isp->otg.host = 0;
+                return 0;
+        }
+
+#ifdef  CONFIG_USB_OTG
+        isp->otg.host = host;
+        dev_dbg(&isp->client.dev, "registered host\n");
+        host_suspend(isp);
+        if (isp->otg.gadget)
+                return isp1301_otg_enable(isp);
+        return 0;
+
+#elif   !defined(CONFIG_USB_GADGET_OMAP)
+        // FIXME update its refcount
+        isp->otg.host = host;
+
+        power_up(isp);
+
+        if (machine_is_omap_h2())
+                isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
+
+        dev_info(&isp->client.dev, "A-Host sessions ok\n");
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
+                INTR_ID_GND);
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
+                INTR_ID_GND);
+
+        /* If this has a Mini-AB connector, this mode is highly
+         * nonstandard ... but can be handy for testing, especially with
+         * the Mini-A end of an OTG cable.  (Or something nonstandard
+         * like MiniB-to-StandardB, maybe built with a gender mender.)
+         */
+        isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1, OTG1_VBUS_DRV);
+
+        dump_regs(isp, __FUNCTION__);
+
+        return 0;
+
+#else
+        dev_dbg(&isp->client.dev, "host sessions not allowed\n");
+        return -EINVAL;
+#endif
+
+}
+
+static int
+isp1301_set_peripheral(struct otg_transceiver *otg, struct usb_gadget *gadget)
+{
+        struct isp1301  *isp = container_of(otg, struct isp1301, otg);
+
+        if (!otg || isp != the_transceiver)
+                return -ENODEV;
+
+        if (!gadget) {
+                OTG_IRQ_EN_REG = 0;
+                if (!isp->otg.default_a)
+                        enable_vbus_draw(isp, 0);
+                usb_gadget_vbus_disconnect(isp->otg.gadget);
+                isp->otg.gadget = 0;
+                power_down(isp);
+                return 0;
+        }
+
+#ifdef  CONFIG_USB_OTG
+        isp->otg.gadget = gadget;
+        dev_dbg(&isp->client.dev, "registered gadget\n");
+        /* gadget driver may be suspended until vbus_connect () */
+        if (isp->otg.host)
+                return isp1301_otg_enable(isp);
+        return 0;
+
+#elif   !defined(CONFIG_USB_OHCI_HCD) && !defined(CONFIG_USB_OHCI_HCD_MODULE)
+        isp->otg.gadget = gadget;
+        // FIXME update its refcount
+
+        OTG_CTRL_REG = (OTG_CTRL_REG & OTG_CTRL_MASK
+                                & ~(OTG_XCEIV_OUTPUTS|OTG_CTRL_BITS))
+                        | OTG_ID;
+        power_up(isp);
+        isp->otg.state = OTG_STATE_B_IDLE;
+
+        if (machine_is_omap_h2())
+                isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1, MC1_DAT_SE0);
+
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_RISING,
+                INTR_SESS_VLD);
+        isp1301_set_bits(isp, ISP1301_INTERRUPT_FALLING,
+                INTR_VBUS_VLD);
+        dev_info(&isp->client.dev, "B-Peripheral sessions ok\n");
+        dump_regs(isp, __FUNCTION__);
+
+        /* If this has a Mini-AB connector, this mode is highly
+         * nonstandard ... but can be handy for testing, so long
+         * as you don't plug a Mini-A cable into the jack.
+         */
+        if (isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE) & INTR_VBUS_VLD)
+                b_peripheral(isp);
+
+        return 0;
+
+#else
+        dev_dbg(&isp->client.dev, "peripheral sessions not allowed\n");
+        return -EINVAL;
+#endif
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static int
+isp1301_set_power(struct otg_transceiver *dev, unsigned mA)
+{
+        if (!the_transceiver)
+                return -ENODEV;
+        if (dev->state == OTG_STATE_B_PERIPHERAL)
+                enable_vbus_draw(the_transceiver, mA);
+        return 0;
+}
+
+static int
+isp1301_start_srp(struct otg_transceiver *dev)
+{
+        struct isp1301  *isp = container_of(dev, struct isp1301, otg);
+        u32             otg_ctrl;
+
+        if (!dev || isp != the_transceiver
+                        || isp->otg.state != OTG_STATE_B_IDLE)
+                return -ENODEV;
+
+        otg_ctrl = OTG_CTRL_REG;
+        if (!(otg_ctrl & OTG_BSESSEND))
+                return -EINVAL;
+
+        otg_ctrl |= OTG_B_BUSREQ;
+        otg_ctrl &= ~OTG_A_BUSREQ & OTG_CTRL_MASK;
+        OTG_CTRL_REG = otg_ctrl;
+        isp->otg.state = OTG_STATE_B_SRP_INIT;
+
+        pr_debug("otg: SRP, %s ... %06x\n", state_name(isp), OTG_CTRL_REG);
+#ifdef  CONFIG_USB_OTG
+        check_state(isp, __FUNCTION__);
+#endif
+        return 0;
+}
+
+static int
+isp1301_start_hnp(struct otg_transceiver *dev)
+{
+#ifdef  CONFIG_USB_OTG
+        struct isp1301  *isp = container_of(dev, struct isp1301, otg);
+
+        if (!dev || isp != the_transceiver)
+                return -ENODEV;
+        if (isp->otg.default_a && (isp->otg.host == NULL
+                        || !isp->otg.host->b_hnp_enable))
+                return -ENOTCONN;
+        if (!isp->otg.default_a && (isp->otg.gadget == NULL
+                        || !isp->otg.gadget->b_hnp_enable))
+                return -ENOTCONN;
+
+        /* We want hardware to manage most HNP protocol timings.
+         * So do this part as early as possible...
+         */
+        switch (isp->otg.state) {
+        case OTG_STATE_B_HOST:
+                isp->otg.state = OTG_STATE_B_PERIPHERAL;
+                /* caller will suspend next */
+                break;
+        case OTG_STATE_A_HOST:
+#if 0
+                /* autoconnect mode avoids irq latency bugs */
+                isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1,
+                                MC1_BDIS_ACON_EN);
+#endif
+                /* caller must suspend then clear A_BUSREQ */
+                usb_gadget_vbus_connect(isp->otg.gadget);
+                OTG_CTRL_REG |= OTG_A_SETB_HNPEN;
+
+                break;
+        case OTG_STATE_A_PERIPHERAL:
+                /* initiated by B-Host suspend */
+                break;
+        default:
+                return -EILSEQ;
+        }
+        pr_debug("otg: HNP %s, %06x ...\n",
+                state_name(isp), OTG_CTRL_REG);
+        check_state(isp, __FUNCTION__);
+        return 0;
+#else
+        /* srp-only */
+        return -EINVAL;
+#endif
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* no error returns, they'd just make bus scanning stop */
+static int isp1301_probe(struct i2c_adapter *bus, int address, int kind)
+{
+        int                     status;
+        struct isp1301          *isp;
+        struct i2c_client       *i2c;
+
+        if (the_transceiver)
+                return 0;
+
+        isp = kcalloc(1, sizeof *isp, GFP_KERNEL);
+        if (!isp)
+                return 0;
+
+        INIT_WORK(&isp->work, isp1301_work, isp);
+        init_timer(&isp->timer);
+        isp->timer.function = isp1301_timer;
+        isp->timer.data = (unsigned long) isp;
+
+        isp->irq = -1;
+        isp->client.addr = address;
+        i2c_set_clientdata(&isp->client, isp);
+        isp->client.adapter = bus;
+        isp->client.driver = &isp1301_driver;
+        strlcpy(isp->client.name, DRIVER_NAME, I2C_NAME_SIZE);
+        i2c = &isp->client;
+
+        /* if this is a true probe, verify the chip ... */
+        if (kind < 0) {
+                status = isp1301_get_u16(isp, ISP1301_VENDOR_ID);
+                if (status != I2C_VENDOR_ID_PHILIPS) {
+                        dev_dbg(&bus->dev, "addr %d not philips id: %d\n",
+                                address, status);
+                        goto fail1;
+                }
+                status = isp1301_get_u16(isp, ISP1301_PRODUCT_ID);
+                if (status != I2C_PRODUCT_ID_PHILIPS_1301) {
+                        dev_dbg(&bus->dev, "%d not isp1301, %d\n",
+                                address, status);
+                        goto fail1;
+                }
+        }
+
+        status = i2c_attach_client(i2c);
+        if (status < 0) {
+                dev_dbg(&bus->dev, "can't attach %s to device %d, err %d\n",
+                                DRIVER_NAME, address, status);
+fail1:
+                kfree(isp);
+                return 0;
+        }
+        isp->i2c_release = i2c->dev.release;
+        i2c->dev.release = isp1301_release;
+
+        /* initial development used chiprev 2.00 */
+        status = i2c_smbus_read_word_data(i2c, ISP1301_BCD_DEVICE);
+        dev_info(&i2c->dev, "chiprev %x.%02x, driver " DRIVER_VERSION "\n",
+                status >> 8, status & 0xff);
+
+        /* make like power-on reset */
+        isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_1, MC1_MASK);
+
+        isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2, MC2_BI_DI);
+        isp1301_clear_bits(isp, ISP1301_MODE_CONTROL_2, ~MC2_BI_DI);
+
+        isp1301_set_bits(isp, ISP1301_OTG_CONTROL_1,
+                                OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN);
+        isp1301_clear_bits(isp, ISP1301_OTG_CONTROL_1,
+                                ~(OTG1_DM_PULLDOWN | OTG1_DP_PULLDOWN));
+
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_LATCH, ~0);
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_FALLING, ~0);
+        isp1301_clear_bits(isp, ISP1301_INTERRUPT_RISING, ~0);
+
+#ifdef  CONFIG_USB_OTG
+        status = otg_bind(isp);
+        if (status < 0) {
+                dev_dbg(&i2c->dev, "can't bind OTG\n");
+                goto fail2;
+        }
+#endif
+
+        if (machine_is_omap_h2()) {
+                /* full speed signaling by default */
+                isp1301_set_bits(isp, ISP1301_MODE_CONTROL_1,
+                        MC1_SPEED_REG);
+                isp1301_set_bits(isp, ISP1301_MODE_CONTROL_2,
+                        MC2_SPD_SUSP_CTRL);
+
+                /* IRQ wired at M14 */
+                omap_cfg_reg(M14_1510_GPIO2);
+                isp->irq = OMAP_GPIO_IRQ(2);
+                omap_request_gpio(2);
+                omap_set_gpio_direction(2, 1);
+                omap_set_gpio_edge_ctrl(2, OMAP_GPIO_FALLING_EDGE);
+        }
+
+        status = request_irq(isp->irq, isp1301_irq,
+                        SA_SAMPLE_RANDOM, DRIVER_NAME, isp);
+        if (status < 0) {
+                dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n",
+                                isp->irq, status);
+#ifdef  CONFIG_USB_OTG
+fail2:
+#endif
+                i2c_detach_client(i2c);
+                goto fail1;
+        }
+
+        isp->otg.dev = &isp->client.dev;
+        isp->otg.label = DRIVER_NAME;
+
+        isp->otg.set_host = isp1301_set_host,
+        isp->otg.set_peripheral = isp1301_set_peripheral,
+        isp->otg.set_power = isp1301_set_power,
+        isp->otg.start_srp = isp1301_start_srp,
+        isp->otg.start_hnp = isp1301_start_hnp,
+
+        enable_vbus_draw(isp, 0);
+        power_down(isp);
+        the_transceiver = isp;
+
+#ifdef  CONFIG_USB_OTG
+        update_otg1(isp, isp1301_get_u8(isp, ISP1301_INTERRUPT_SOURCE));
+        update_otg2(isp, isp1301_get_u8(isp, ISP1301_OTG_STATUS));
+#endif
+
+        dump_regs(isp, __FUNCTION__);
+
+#ifdef  VERBOSE
+        mod_timer(&isp->timer, jiffies + TIMER_JIFFIES);
+        dev_dbg(&i2c->dev, "scheduled timer, %d min\n", TIMER_MINUTES);
+#endif
+
+        status = otg_set_transceiver(&isp->otg);
+        if (status < 0)
+                dev_err(&i2c->dev, "can't register transceiver, %d\n",
+                        status);
+
+        return 0;
+}
+
+static int isp1301_scan_bus(struct i2c_adapter *bus)
+{
+        if (!i2c_check_functionality(bus, I2C_FUNC_SMBUS_BYTE_DATA
+                        | I2C_FUNC_SMBUS_READ_WORD_DATA))
+                return -EINVAL;
+        return i2c_probe(bus, &addr_data, isp1301_probe);
+}
+
+static struct i2c_driver isp1301_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "isp1301_omap",
+        .id             = 1301,         /* FIXME "official", i2c-ids.h */
+        .class          = I2C_CLASS_HWMON,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = isp1301_scan_bus,
+        .detach_client  = isp1301_detach_client,
+};
+
+/*-------------------------------------------------------------------------*/
+
+static int __init isp_init(void)
+{
+        return i2c_add_driver(&isp1301_driver);
+}
+module_init(isp_init);
+
+static void __exit isp_exit(void)
+{
+        if (the_transceiver)
+                otg_set_transceiver(0);
+        i2c_del_driver(&isp1301_driver);
+}
+module_exit(isp_exit);
+
diff --git a/drivers/i2c/chips/it87.c b/drivers/i2c/chips/it87.c
new file mode 100644
index 000000000000..3d484a7aff12
--- /dev/null
+++ b/drivers/i2c/chips/it87.c
@@ -0,0 +1,1208 @@
+/*
+    it87.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring.
+
+    Supports: IT8705F  Super I/O chip w/LPC interface & SMBus
+              IT8712F  Super I/O chip w/LPC interface & SMBus
+              Sis950   A clone of the IT8705F
+
+    Copyright (C) 2001 Chris Gauthron <chrisg@0-in.com> 
+    Largely inspired by lm78.c of the same package
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    djg@pdp8.net David Gesswein 7/18/01
+    Modified to fix bug with not all alarms enabled.
+    Added ability to read battery voltage and select temperature sensor
+    type at module load time.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+#include <asm/io.h>
+
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d,
+                                        0x2e, 0x2f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_2(it87, it8712);
+
+#define REG     0x2e    /* The register to read/write */
+#define DEV     0x07    /* Register: Logical device select */
+#define VAL     0x2f    /* The value to read/write */
+#define PME     0x04    /* The device with the fan registers in it */
+#define DEVID   0x20    /* Register: Device ID */
+#define DEVREV  0x22    /* Register: Device Revision */
+
+static inline int
+superio_inb(int reg)
+{
+        outb(reg, REG);
+        return inb(VAL);
+}
+
+static int superio_inw(int reg)
+{
+        int val;
+        outb(reg++, REG);
+        val = inb(VAL) << 8;
+        outb(reg, REG);
+        val |= inb(VAL);
+        return val;
+}
+
+static inline void
+superio_select(void)
+{
+        outb(DEV, REG);
+        outb(PME, VAL);
+}
+
+static inline void
+superio_enter(void)
+{
+        outb(0x87, REG);
+        outb(0x01, REG);
+        outb(0x55, REG);
+        outb(0x55, REG);
+}
+
+static inline void
+superio_exit(void)
+{
+        outb(0x02, REG);
+        outb(0x02, VAL);
+}
+
+#define IT8712F_DEVID 0x8712
+#define IT8705F_DEVID 0x8705
+#define IT87_ACT_REG  0x30
+#define IT87_BASE_REG 0x60
+
+/* Update battery voltage after every reading if true */
+static int update_vbat;
+
+/* Not all BIOSes properly configure the PWM registers */
+static int fix_pwm_polarity;
+
+/* Chip Type */
+
+static u16 chip_type;
+
+/* Many IT87 constants specified below */
+
+/* Length of ISA address segment */
+#define IT87_EXTENT 8
+
+/* Where are the ISA address/data registers relative to the base address */
+#define IT87_ADDR_REG_OFFSET 5
+#define IT87_DATA_REG_OFFSET 6
+
+/*----- The IT87 registers -----*/
+
+#define IT87_REG_CONFIG        0x00
+
+#define IT87_REG_ALARM1        0x01
+#define IT87_REG_ALARM2        0x02
+#define IT87_REG_ALARM3        0x03
+
+#define IT87_REG_VID           0x0a
+#define IT87_REG_FAN_DIV       0x0b
+
+/* Monitors: 9 voltage (0 to 7, battery), 3 temp (1 to 3), 3 fan (1 to 3) */
+
+#define IT87_REG_FAN(nr)       (0x0d + (nr))
+#define IT87_REG_FAN_MIN(nr)   (0x10 + (nr))
+#define IT87_REG_FAN_MAIN_CTRL 0x13
+#define IT87_REG_FAN_CTL       0x14
+#define IT87_REG_PWM(nr)       (0x15 + (nr))
+
+#define IT87_REG_VIN(nr)       (0x20 + (nr))
+#define IT87_REG_TEMP(nr)      (0x29 + (nr))
+
+#define IT87_REG_VIN_MAX(nr)   (0x30 + (nr) * 2)
+#define IT87_REG_VIN_MIN(nr)   (0x31 + (nr) * 2)
+#define IT87_REG_TEMP_HIGH(nr) (0x40 + (nr) * 2)
+#define IT87_REG_TEMP_LOW(nr)  (0x41 + (nr) * 2)
+
+#define IT87_REG_I2C_ADDR      0x48
+
+#define IT87_REG_VIN_ENABLE    0x50
+#define IT87_REG_TEMP_ENABLE   0x51
+
+#define IT87_REG_CHIPID        0x58
+
+#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
+#define IN_FROM_REG(val) ((val) * 16)
+
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm == 0)
+                return 255;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
+                             254);
+}
+
+#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
+
+#define TEMP_TO_REG(val) (SENSORS_LIMIT(((val)<0?(((val)-500)/1000):\
+                                        ((val)+500)/1000),-128,127))
+#define TEMP_FROM_REG(val) (((val)>0x80?(val)-0x100:(val))*1000)
+
+#define ALARMS_FROM_REG(val) (val)
+
+#define PWM_TO_REG(val)   ((val) >> 1)
+#define PWM_FROM_REG(val) (((val)&0x7f) << 1)
+
+static int DIV_TO_REG(int val)
+{
+        int answer = 0;
+        while ((val >>= 1) != 0)
+                answer++;
+        return answer;
+}
+#define DIV_FROM_REG(val) (1 << (val))
+
+
+/* For each registered IT87, we need to keep some data in memory. That
+   data is pointed to by it87_list[NR]->data. The structure itself is
+   dynamically allocated, at the same time when a new it87 client is
+   allocated. */
+struct it87_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 in[9];               /* Register value */
+        u8 in_max[9];           /* Register value */
+        u8 in_min[9];           /* Register value */
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        u8 temp[3];             /* Register value */
+        u8 temp_high[3];        /* Register value */
+        u8 temp_low[3];         /* Register value */
+        u8 sensor;              /* Register value */
+        u8 fan_div[3];          /* Register encoding, shifted right */
+        u8 vid;                 /* Register encoding, combined */
+        int vrm;
+        u32 alarms;             /* Register encoding, combined */
+        u8 fan_main_ctrl;       /* Register value */
+        u8 manual_pwm_ctl[3];   /* manual PWM value set by user */
+};
+
+
+static int it87_attach_adapter(struct i2c_adapter *adapter);
+static int it87_find(int *address);
+static int it87_detect(struct i2c_adapter *adapter, int address, int kind);
+static int it87_detach_client(struct i2c_client *client);
+
+static int it87_read_value(struct i2c_client *client, u8 register);
+static int it87_write_value(struct i2c_client *client, u8 register,
+                        u8 value);
+static struct it87_data *it87_update_device(struct device *dev);
+static int it87_check_pwm(struct i2c_client *client);
+static void it87_init_client(struct i2c_client *client, struct it87_data *data);
+
+
+static struct i2c_driver it87_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "it87",
+        .id             = I2C_DRIVERID_IT87,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = it87_attach_adapter,
+        .detach_client  = it87_detach_client,
+};
+
+static ssize_t show_in(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
+}
+
+static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
+}
+
+static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
+}
+
+static ssize_t set_in_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = IN_TO_REG(val);
+        it87_write_value(client, IT87_REG_VIN_MIN(nr), 
+                        data->in_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_in_max(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = IN_TO_REG(val);
+        it87_write_value(client, IT87_REG_VIN_MAX(nr), 
+                        data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_in_offset(offset)                                  \
+static ssize_t                                                  \
+        show_in##offset (struct device *dev, char *buf)         \
+{                                                               \
+        return show_in(dev, buf, offset);                       \
+}                                                               \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);
+
+#define limit_in_offset(offset)                                 \
+static ssize_t                                                  \
+        show_in##offset##_min (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_min(dev, buf, offset);                   \
+}                                                               \
+static ssize_t                                                  \
+        show_in##offset##_max (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_max(dev, buf, offset);                   \
+}                                                               \
+static ssize_t set_in##offset##_min (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_min(dev, buf, count, offset);             \
+}                                                               \
+static ssize_t set_in##offset##_max (struct device *dev,        \
+                        const char *buf, size_t count)          \
+{                                                               \
+        return set_in_max(dev, buf, count, offset);             \
+}                                                               \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_min, set_in##offset##_min);   \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_max, set_in##offset##_max);
+
+show_in_offset(0);
+limit_in_offset(0);
+show_in_offset(1);
+limit_in_offset(1);
+show_in_offset(2);
+limit_in_offset(2);
+show_in_offset(3);
+limit_in_offset(3);
+show_in_offset(4);
+limit_in_offset(4);
+show_in_offset(5);
+limit_in_offset(5);
+show_in_offset(6);
+limit_in_offset(6);
+show_in_offset(7);
+limit_in_offset(7);
+show_in_offset(8);
+
+/* 3 temperatures */
+static ssize_t show_temp(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[nr]));
+}
+static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[nr]));
+}
+static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[nr]));
+}
+static ssize_t set_temp_max(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_high[nr] = TEMP_TO_REG(val);
+        it87_write_value(client, IT87_REG_TEMP_HIGH(nr), data->temp_high[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_temp_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_low[nr] = TEMP_TO_REG(val);
+        it87_write_value(client, IT87_REG_TEMP_LOW(nr), data->temp_low[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define show_temp_offset(offset)                                        \
+static ssize_t show_temp_##offset (struct device *dev, char *buf)       \
+{                                                                       \
+        return show_temp(dev, buf, offset - 1);                         \
+}                                                                       \
+static ssize_t                                                          \
+show_temp_##offset##_max (struct device *dev, char *buf)                \
+{                                                                       \
+        return show_temp_max(dev, buf, offset - 1);                     \
+}                                                                       \
+static ssize_t                                                          \
+show_temp_##offset##_min (struct device *dev, char *buf)                \
+{                                                                       \
+        return show_temp_min(dev, buf, offset - 1);                     \
+}                                                                       \
+static ssize_t set_temp_##offset##_max (struct device *dev,             \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_temp_max(dev, buf, count, offset - 1);               \
+}                                                                       \
+static ssize_t set_temp_##offset##_min (struct device *dev,             \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_temp_min(dev, buf, count, offset - 1);               \
+}                                                                       \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL); \
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,               \
+                show_temp_##offset##_max, set_temp_##offset##_max);     \
+static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,               \
+                show_temp_##offset##_min, set_temp_##offset##_min);     
+
+show_temp_offset(1);
+show_temp_offset(2);
+show_temp_offset(3);
+
+static ssize_t show_sensor(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        u8 reg = data->sensor; /* In case the value is updated while we use it */
+        
+        if (reg & (1 << nr))
+                return sprintf(buf, "3\n");  /* thermal diode */
+        if (reg & (8 << nr))
+                return sprintf(buf, "2\n");  /* thermistor */
+        return sprintf(buf, "0\n");      /* disabled */
+}
+static ssize_t set_sensor(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        data->sensor &= ~(1 << nr);
+        data->sensor &= ~(8 << nr);
+        /* 3 = thermal diode; 2 = thermistor; 0 = disabled */
+        if (val == 3)
+            data->sensor |= 1 << nr;
+        else if (val == 2)
+            data->sensor |= 8 << nr;
+        else if (val != 0) {
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+        it87_write_value(client, IT87_REG_TEMP_ENABLE, data->sensor);
+        up(&data->update_lock);
+        return count;
+}
+#define show_sensor_offset(offset)                                      \
+static ssize_t show_sensor_##offset (struct device *dev, char *buf)     \
+{                                                                       \
+        return show_sensor(dev, buf, offset - 1);                       \
+}                                                                       \
+static ssize_t set_sensor_##offset (struct device *dev,                 \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_sensor(dev, buf, count, offset - 1);                 \
+}                                                                       \
+static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR,              \
+                show_sensor_##offset, set_sensor_##offset);
+
+show_sensor_offset(1);
+show_sensor_offset(2);
+show_sensor_offset(3);
+
+/* 3 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], 
+                                DIV_FROM_REG(data->fan_div[nr])));
+}
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf,"%d\n",
+                FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])));
+}
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+}
+static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf,"%d\n", (data->fan_main_ctrl & (1 << nr)) ? 1 : 0);
+}
+static ssize_t show_pwm(struct device *dev, char *buf, int nr)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf,"%d\n", data->manual_pwm_ctl[nr]);
+}
+static ssize_t set_fan_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+        it87_write_value(client, IT87_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_fan_div(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        int i, min[3];
+        u8 old;
+
+        down(&data->update_lock);
+        old = it87_read_value(client, IT87_REG_FAN_DIV);
+
+        for (i = 0; i < 3; i++)
+                min[i] = FAN_FROM_REG(data->fan_min[i], DIV_FROM_REG(data->fan_div[i]));
+
+        switch (nr) {
+        case 0:
+        case 1:
+                data->fan_div[nr] = DIV_TO_REG(val);
+                break;
+        case 2:
+                if (val < 8)
+                        data->fan_div[nr] = 1;
+                else
+                        data->fan_div[nr] = 3;
+        }
+        val = old & 0x80;
+        val |= (data->fan_div[0] & 0x07);
+        val |= (data->fan_div[1] & 0x07) << 3;
+        if (data->fan_div[2] == 3)
+                val |= 0x1 << 6;
+        it87_write_value(client, IT87_REG_FAN_DIV, val);
+
+        for (i = 0; i < 3; i++) {
+                data->fan_min[i]=FAN_TO_REG(min[i], DIV_FROM_REG(data->fan_div[i]));
+                it87_write_value(client, IT87_REG_FAN_MIN(i), data->fan_min[i]);
+        }
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_pwm_enable(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        if (val == 0) {
+                int tmp;
+                /* make sure the fan is on when in on/off mode */
+                tmp = it87_read_value(client, IT87_REG_FAN_CTL);
+                it87_write_value(client, IT87_REG_FAN_CTL, tmp | (1 << nr));
+                /* set on/off mode */
+                data->fan_main_ctrl &= ~(1 << nr);
+                it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
+        } else if (val == 1) {
+                /* set SmartGuardian mode */
+                data->fan_main_ctrl |= (1 << nr);
+                it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
+                /* set saved pwm value, clear FAN_CTLX PWM mode bit */
+                it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
+        } else {
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_pwm(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        if (val < 0 || val > 255)
+                return -EINVAL;
+
+        down(&data->update_lock);
+        data->manual_pwm_ctl[nr] = val;
+        if (data->fan_main_ctrl & (1 << nr))
+                it87_write_value(client, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_fan_offset(offset)                                         \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static ssize_t set_fan_##offset##_div (struct device *dev,              \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_div(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL); \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_min, set_fan_##offset##_min);       \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_div, set_fan_##offset##_div);
+
+show_fan_offset(1);
+show_fan_offset(2);
+show_fan_offset(3);
+
+#define show_pwm_offset(offset)                                         \
+static ssize_t show_pwm##offset##_enable (struct device *dev,           \
+        char *buf)                                                      \
+{                                                                       \
+        return show_pwm_enable(dev, buf, offset - 1);                   \
+}                                                                       \
+static ssize_t show_pwm##offset (struct device *dev, char *buf)         \
+{                                                                       \
+        return show_pwm(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t set_pwm##offset##_enable (struct device *dev,            \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_pwm_enable(dev, buf, count, offset - 1);             \
+}                                                                       \
+static ssize_t set_pwm##offset (struct device *dev,                     \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_pwm(dev, buf, count, offset - 1);                    \
+}                                                                       \
+static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,             \
+                show_pwm##offset##_enable,                              \
+                set_pwm##offset##_enable);                              \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,                      \
+                show_pwm##offset , set_pwm##offset );
+
+show_pwm_offset(1);
+show_pwm_offset(2);
+show_pwm_offset(3);
+
+/* Alarms */
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
+}
+static DEVICE_ATTR(alarms, S_IRUGO | S_IWUSR, show_alarms, NULL);
+
+static ssize_t
+show_vrm_reg(struct device *dev, char *buf)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->vrm);
+}
+static ssize_t
+store_vrm_reg(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+        data->vrm = val;
+
+        return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+#define device_create_file_vrm(client) \
+device_create_file(&client->dev, &dev_attr_vrm)
+
+static ssize_t
+show_vid_reg(struct device *dev, char *buf)
+{
+        struct it87_data *data = it87_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+#define device_create_file_vid(client) \
+device_create_file(&client->dev, &dev_attr_cpu0_vid)
+
+/* This function is called when:
+     * it87_driver is inserted (when this module is loaded), for each
+       available adapter
+     * when a new adapter is inserted (and it87_driver is still present) */
+static int it87_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, it87_detect);
+}
+
+/* SuperIO detection - will change normal_isa[0] if a chip is found */
+static int it87_find(int *address)
+{
+        int err = -ENODEV;
+
+        superio_enter();
+        chip_type = superio_inw(DEVID);
+        if (chip_type != IT8712F_DEVID
+         && chip_type != IT8705F_DEVID)
+                goto exit;
+
+        superio_select();
+        if (!(superio_inb(IT87_ACT_REG) & 0x01)) {
+                pr_info("it87: Device not activated, skipping\n");
+                goto exit;
+        }
+
+        *address = superio_inw(IT87_BASE_REG) & ~(IT87_EXTENT - 1);
+        if (*address == 0) {
+                pr_info("it87: Base address not set, skipping\n");
+                goto exit;
+        }
+
+        err = 0;
+        pr_info("it87: Found IT%04xF chip at 0x%x, revision %d\n",
+                chip_type, *address, superio_inb(DEVREV) & 0x0f);
+
+exit:
+        superio_exit();
+        return err;
+}
+
+/* This function is called by i2c_detect */
+int it87_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i;
+        struct i2c_client *new_client;
+        struct it87_data *data;
+        int err = 0;
+        const char *name = "";
+        int is_isa = i2c_is_isa_adapter(adapter);
+        int enable_pwm_interface;
+
+        if (!is_isa && 
+            !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto ERROR0;
+
+        /* Reserve the ISA region */
+        if (is_isa)
+                if (!request_region(address, IT87_EXTENT, it87_driver.name))
+                        goto ERROR0;
+
+        /* Probe whether there is anything available on this address. Already
+           done for SMBus and Super-I/O clients */
+        if (kind < 0) {
+                if (is_isa && !chip_type) {
+#define REALLY_SLOW_IO
+                        /* We need the timeouts for at least some IT87-like chips. But only
+                           if we read 'undefined' registers. */
+                        i = inb_p(address + 1);
+                        if (inb_p(address + 2) != i
+                         || inb_p(address + 3) != i
+                         || inb_p(address + 7) != i) {
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+#undef REALLY_SLOW_IO
+
+                        /* Let's just hope nothing breaks here */
+                        i = inb_p(address + 5) & 0x7f;
+                        outb_p(~i & 0x7f, address + 5);
+                        if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
+                                outb_p(i, address + 5);
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+                }
+        }
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access it87_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct it87_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR1;
+        }
+        memset(data, 0, sizeof(struct it87_data));
+
+        new_client = &data->client;
+        if (is_isa)
+                init_MUTEX(&data->lock);
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &it87_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        if (kind < 0) {
+                if ((it87_read_value(new_client, IT87_REG_CONFIG) & 0x80)
+                  || (!is_isa
+                   && it87_read_value(new_client, IT87_REG_I2C_ADDR) != address)) {
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+        }
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                i = it87_read_value(new_client, IT87_REG_CHIPID);
+                if (i == 0x90) {
+                        kind = it87;
+                        if ((is_isa) && (chip_type == IT8712F_DEVID))
+                                kind = it8712;
+                }
+                else {
+                        if (kind == 0)
+                                dev_info(&adapter->dev, 
+                                        "Ignoring 'force' parameter for unknown chip at "
+                                        "adapter %d, address 0x%02x\n",
+                                        i2c_adapter_id(adapter), address);
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+        }
+
+        if (kind == it87) {
+                name = "it87";
+        } else if (kind == it8712) {
+                name = "it8712";
+        }
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR2;
+
+        /* Check PWM configuration */
+        enable_pwm_interface = it87_check_pwm(new_client);
+
+        /* Initialize the IT87 chip */
+        it87_init_client(new_client, data);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in5_input);
+        device_create_file(&new_client->dev, &dev_attr_in6_input);
+        device_create_file(&new_client->dev, &dev_attr_in7_input);
+        device_create_file(&new_client->dev, &dev_attr_in8_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in5_min);
+        device_create_file(&new_client->dev, &dev_attr_in6_min);
+        device_create_file(&new_client->dev, &dev_attr_in7_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_in5_max);
+        device_create_file(&new_client->dev, &dev_attr_in6_max);
+        device_create_file(&new_client->dev, &dev_attr_in7_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp3_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_type);
+        device_create_file(&new_client->dev, &dev_attr_temp2_type);
+        device_create_file(&new_client->dev, &dev_attr_temp3_type);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan3_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan3_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_fan3_div);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        if (enable_pwm_interface) {
+                device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
+                device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
+                device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
+                device_create_file(&new_client->dev, &dev_attr_pwm1);
+                device_create_file(&new_client->dev, &dev_attr_pwm2);
+                device_create_file(&new_client->dev, &dev_attr_pwm3);
+        }
+
+        if (data->type == it8712) {
+                data->vrm = i2c_which_vrm();
+                device_create_file_vrm(new_client);
+                device_create_file_vid(new_client);
+        }
+
+        return 0;
+
+ERROR2:
+        kfree(data);
+ERROR1:
+        if (is_isa)
+                release_region(address, IT87_EXTENT);
+ERROR0:
+        return err;
+}
+
+static int it87_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                        "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        if(i2c_is_isa_client(client))
+                release_region(client->addr, IT87_EXTENT);
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+/* The SMBus locks itself, but ISA access must be locked explicitely! 
+   We don't want to lock the whole ISA bus, so we lock each client
+   separately.
+   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the IT87 access and should not be necessary. */
+static int it87_read_value(struct i2c_client *client, u8 reg)
+{
+        struct it87_data *data = i2c_get_clientdata(client);
+
+        int res;
+        if (i2c_is_isa_client(client)) {
+                down(&data->lock);
+                outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
+                res = inb_p(client->addr + IT87_DATA_REG_OFFSET);
+                up(&data->lock);
+                return res;
+        } else
+                return i2c_smbus_read_byte_data(client, reg);
+}
+
+/* The SMBus locks itself, but ISA access muse be locked explicitely! 
+   We don't want to lock the whole ISA bus, so we lock each client
+   separately.
+   We ignore the IT87 BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the IT87 access and should not be necessary. */
+static int it87_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        struct it87_data *data = i2c_get_clientdata(client);
+
+        if (i2c_is_isa_client(client)) {
+                down(&data->lock);
+                outb_p(reg, client->addr + IT87_ADDR_REG_OFFSET);
+                outb_p(value, client->addr + IT87_DATA_REG_OFFSET);
+                up(&data->lock);
+                return 0;
+        } else
+                return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Return 1 if and only if the PWM interface is safe to use */
+static int it87_check_pwm(struct i2c_client *client)
+{
+        /* Some BIOSes fail to correctly configure the IT87 fans. All fans off
+         * and polarity set to active low is sign that this is the case so we
+         * disable pwm control to protect the user. */
+        int tmp = it87_read_value(client, IT87_REG_FAN_CTL);
+        if ((tmp & 0x87) == 0) {
+                if (fix_pwm_polarity) {
+                        /* The user asks us to attempt a chip reconfiguration.
+                         * This means switching to active high polarity and
+                         * inverting all fan speed values. */
+                        int i;
+                        u8 pwm[3];
+
+                        for (i = 0; i < 3; i++)
+                                pwm[i] = it87_read_value(client,
+                                                         IT87_REG_PWM(i));
+
+                        /* If any fan is in automatic pwm mode, the polarity
+                         * might be correct, as suspicious as it seems, so we
+                         * better don't change anything (but still disable the
+                         * PWM interface). */
+                        if (!((pwm[0] | pwm[1] | pwm[2]) & 0x80)) {
+                                dev_info(&client->dev, "Reconfiguring PWM to "
+                                         "active high polarity\n");
+                                it87_write_value(client, IT87_REG_FAN_CTL,
+                                                 tmp | 0x87);
+                                for (i = 0; i < 3; i++)
+                                        it87_write_value(client,
+                                                         IT87_REG_PWM(i),
+                                                         0x7f & ~pwm[i]);
+                                return 1;
+                        }
+
+                        dev_info(&client->dev, "PWM configuration is "
+                                 "too broken to be fixed\n");
+                }
+
+                dev_info(&client->dev, "Detected broken BIOS "
+                         "defaults, disabling PWM interface\n");
+                return 0;
+        } else if (fix_pwm_polarity) {
+                dev_info(&client->dev, "PWM configuration looks "
+                         "sane, won't touch\n");
+        }
+
+        return 1;
+}
+
+/* Called when we have found a new IT87. */
+static void it87_init_client(struct i2c_client *client, struct it87_data *data)
+{
+        int tmp, i;
+
+        /* initialize to sane defaults:
+         * - if the chip is in manual pwm mode, this will be overwritten with
+         *   the actual settings on the chip (so in this case, initialization
+         *   is not needed)
+         * - if in automatic or on/off mode, we could switch to manual mode,
+         *   read the registers and set manual_pwm_ctl accordingly, but currently
+         *   this is not implemented, so we initialize to something sane */
+        for (i = 0; i < 3; i++) {
+                data->manual_pwm_ctl[i] = 0xff;
+        }
+
+        /* Check if temperature channnels are reset manually or by some reason */
+        tmp = it87_read_value(client, IT87_REG_TEMP_ENABLE);
+        if ((tmp & 0x3f) == 0) {
+                /* Temp1,Temp3=thermistor; Temp2=thermal diode */
+                tmp = (tmp & 0xc0) | 0x2a;
+                it87_write_value(client, IT87_REG_TEMP_ENABLE, tmp);
+        }
+        data->sensor = tmp;
+
+        /* Check if voltage monitors are reset manually or by some reason */
+        tmp = it87_read_value(client, IT87_REG_VIN_ENABLE);
+        if ((tmp & 0xff) == 0) {
+                /* Enable all voltage monitors */
+                it87_write_value(client, IT87_REG_VIN_ENABLE, 0xff);
+        }
+
+        /* Check if tachometers are reset manually or by some reason */
+        data->fan_main_ctrl = it87_read_value(client, IT87_REG_FAN_MAIN_CTRL);
+        if ((data->fan_main_ctrl & 0x70) == 0) {
+                /* Enable all fan tachometers */
+                data->fan_main_ctrl |= 0x70;
+                it87_write_value(client, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
+        }
+
+        /* Set current fan mode registers and the default settings for the
+         * other mode registers */
+        for (i = 0; i < 3; i++) {
+                if (data->fan_main_ctrl & (1 << i)) {
+                        /* pwm mode */
+                        tmp = it87_read_value(client, IT87_REG_PWM(i));
+                        if (tmp & 0x80) {
+                                /* automatic pwm - not yet implemented, but
+                                 * leave the settings made by the BIOS alone
+                                 * until a change is requested via the sysfs
+                                 * interface */
+                        } else {
+                                /* manual pwm */
+                                data->manual_pwm_ctl[i] = PWM_FROM_REG(tmp);
+                        }
+                }
+        }
+
+        /* Start monitoring */
+        it87_write_value(client, IT87_REG_CONFIG,
+                         (it87_read_value(client, IT87_REG_CONFIG) & 0x36)
+                         | (update_vbat ? 0x41 : 0x01));
+}
+
+static struct it87_data *it87_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct it87_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+
+                if (update_vbat) {
+                        /* Cleared after each update, so reenable.  Value
+                          returned by this read will be previous value */       
+                        it87_write_value(client, IT87_REG_CONFIG,
+                           it87_read_value(client, IT87_REG_CONFIG) | 0x40);
+                }
+                for (i = 0; i <= 7; i++) {
+                        data->in[i] =
+                            it87_read_value(client, IT87_REG_VIN(i));
+                        data->in_min[i] =
+                            it87_read_value(client, IT87_REG_VIN_MIN(i));
+                        data->in_max[i] =
+                            it87_read_value(client, IT87_REG_VIN_MAX(i));
+                }
+                data->in[8] =
+                    it87_read_value(client, IT87_REG_VIN(8));
+                /* Temperature sensor doesn't have limit registers, set
+                   to min and max value */
+                data->in_min[8] = 0;
+                data->in_max[8] = 255;
+
+                for (i = 0; i < 3; i++) {
+                        data->fan[i] =
+                            it87_read_value(client, IT87_REG_FAN(i));
+                        data->fan_min[i] =
+                            it87_read_value(client, IT87_REG_FAN_MIN(i));
+                }
+                for (i = 0; i < 3; i++) {
+                        data->temp[i] =
+                            it87_read_value(client, IT87_REG_TEMP(i));
+                        data->temp_high[i] =
+                            it87_read_value(client, IT87_REG_TEMP_HIGH(i));
+                        data->temp_low[i] =
+                            it87_read_value(client, IT87_REG_TEMP_LOW(i));
+                }
+
+                i = it87_read_value(client, IT87_REG_FAN_DIV);
+                data->fan_div[0] = i & 0x07;
+                data->fan_div[1] = (i >> 3) & 0x07;
+                data->fan_div[2] = (i & 0x40) ? 3 : 1;
+
+                data->alarms =
+                        it87_read_value(client, IT87_REG_ALARM1) |
+                        (it87_read_value(client, IT87_REG_ALARM2) << 8) |
+                        (it87_read_value(client, IT87_REG_ALARM3) << 16);
+                data->fan_main_ctrl = it87_read_value(client, IT87_REG_FAN_MAIN_CTRL);
+
+                data->sensor = it87_read_value(client, IT87_REG_TEMP_ENABLE);
+                /* The 8705 does not have VID capability */
+                if (data->type == it8712) {
+                        data->vid = it87_read_value(client, IT87_REG_VID);
+                        data->vid &= 0x1f;
+                }
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sm_it87_init(void)
+{
+        int addr;
+
+        if (!it87_find(&addr)) {
+                normal_isa[0] = addr;
+        }
+        return i2c_add_driver(&it87_driver);
+}
+
+static void __exit sm_it87_exit(void)
+{
+        i2c_del_driver(&it87_driver);
+}
+
+
+MODULE_AUTHOR("Chris Gauthron <chrisg@0-in.com>");
+MODULE_DESCRIPTION("IT8705F, IT8712F, Sis950 driver");
+module_param(update_vbat, bool, 0);
+MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
+module_param(fix_pwm_polarity, bool, 0);
+MODULE_PARM_DESC(fix_pwm_polarity, "Force PWM polarity to active high (DANGEROUS)");
+MODULE_LICENSE("GPL");
+
+module_init(sm_it87_init);
+module_exit(sm_it87_exit);
diff --git a/drivers/i2c/chips/lm63.c b/drivers/i2c/chips/lm63.c
new file mode 100644
index 000000000000..14cc5af03739
--- /dev/null
+++ b/drivers/i2c/chips/lm63.c
@@ -0,0 +1,581 @@
+/*
+ * lm63.c - driver for the National Semiconductor LM63 temperature sensor
+ *          with integrated fan control
+ * Copyright (C) 2004  Jean Delvare <khali@linux-fr.org>
+ * Based on the lm90 driver.
+ *
+ * The LM63 is a sensor chip made by National Semiconductor. It measures
+ * two temperatures (its own and one external one) and the speed of one
+ * fan, those speed it can additionally control. Complete datasheet can be
+ * obtained from National's website at:
+ *   http://www.national.com/pf/LM/LM63.html
+ *
+ * The LM63 is basically an LM86 with fan speed monitoring and control
+ * capabilities added. It misses some of the LM86 features though:
+ *  - No low limit for local temperature.
+ *  - No critical limit for local temperature.
+ *  - Critical limit for remote temperature can be changed only once. We
+ *    will consider that the critical limit is read-only.
+ *
+ * The datasheet isn't very clear about what the tachometer reading is.
+ * I had a explanation from National Semiconductor though. The two lower
+ * bits of the read value have to be masked out. The value is still 16 bit
+ * in width.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/*
+ * Addresses to scan
+ * Address is fully defined internally and cannot be changed.
+ */
+
+static unsigned short normal_i2c[] = { 0x4c, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(lm63);
+
+/*
+ * The LM63 registers
+ */
+
+#define LM63_REG_CONFIG1                0x03
+#define LM63_REG_CONFIG2                0xBF
+#define LM63_REG_CONFIG_FAN             0x4A
+
+#define LM63_REG_TACH_COUNT_MSB         0x47
+#define LM63_REG_TACH_COUNT_LSB         0x46
+#define LM63_REG_TACH_LIMIT_MSB         0x49
+#define LM63_REG_TACH_LIMIT_LSB         0x48
+
+#define LM63_REG_PWM_VALUE              0x4C
+#define LM63_REG_PWM_FREQ               0x4D
+
+#define LM63_REG_LOCAL_TEMP             0x00
+#define LM63_REG_LOCAL_HIGH             0x05
+
+#define LM63_REG_REMOTE_TEMP_MSB        0x01
+#define LM63_REG_REMOTE_TEMP_LSB        0x10
+#define LM63_REG_REMOTE_OFFSET_MSB      0x11
+#define LM63_REG_REMOTE_OFFSET_LSB      0x12
+#define LM63_REG_REMOTE_HIGH_MSB        0x07
+#define LM63_REG_REMOTE_HIGH_LSB        0x13
+#define LM63_REG_REMOTE_LOW_MSB         0x08
+#define LM63_REG_REMOTE_LOW_LSB         0x14
+#define LM63_REG_REMOTE_TCRIT           0x19
+#define LM63_REG_REMOTE_TCRIT_HYST      0x21
+
+#define LM63_REG_ALERT_STATUS           0x02
+#define LM63_REG_ALERT_MASK             0x16
+
+#define LM63_REG_MAN_ID                 0xFE
+#define LM63_REG_CHIP_ID                0xFF
+
+/*
+ * Conversions and various macros
+ * For tachometer counts, the LM63 uses 16-bit values.
+ * For local temperature and high limit, remote critical limit and hysteresis
+ * value, it uses signed 8-bit values with LSB = 1 degree Celcius.
+ * For remote temperature, low and high limits, it uses signed 11-bit values
+ * with LSB = 0.125 degree Celcius, left-justified in 16-bit registers.
+ */
+
+#define FAN_FROM_REG(reg)       ((reg) == 0xFFFC || (reg) == 0 ? 0 : \
+                                 5400000 / (reg))
+#define FAN_TO_REG(val)         ((val) <= 82 ? 0xFFFC : \
+                                 (5400000 / (val)) & 0xFFFC)
+#define TEMP8_FROM_REG(reg)     ((reg) * 1000)
+#define TEMP8_TO_REG(val)       ((val) <= -128000 ? -128 : \
+                                 (val) >= 127000 ? 127 : \
+                                 (val) < 0 ? ((val) - 500) / 1000 : \
+                                 ((val) + 500) / 1000)
+#define TEMP11_FROM_REG(reg)    ((reg) / 32 * 125)
+#define TEMP11_TO_REG(val)      ((val) <= -128000 ? 0x8000 : \
+                                 (val) >= 127875 ? 0x7FE0 : \
+                                 (val) < 0 ? ((val) - 62) / 125 * 32 : \
+                                 ((val) + 62) / 125 * 32)
+#define HYST_TO_REG(val)        ((val) <= 0 ? 0 : \
+                                 (val) >= 127000 ? 127 : \
+                                 ((val) + 500) / 1000)
+
+/*
+ * Functions declaration
+ */
+
+static int lm63_attach_adapter(struct i2c_adapter *adapter);
+static int lm63_detach_client(struct i2c_client *client);
+
+static struct lm63_data *lm63_update_device(struct device *dev);
+
+static int lm63_detect(struct i2c_adapter *adapter, int address, int kind);
+static void lm63_init_client(struct i2c_client *client);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver lm63_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm63",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm63_attach_adapter,
+        .detach_client  = lm63_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct lm63_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* registers values */
+        u8 config, config_fan;
+        u16 fan1_input;
+        u16 fan1_low;
+        u8 pwm1_freq;
+        u8 pwm1_value;
+        s8 temp1_input;
+        s8 temp1_high;
+        s16 temp2_input;
+        s16 temp2_high;
+        s16 temp2_low;
+        s8 temp2_crit;
+        u8 temp2_crit_hyst;
+        u8 alarms;
+};
+
+/*
+ * Sysfs callback functions and files
+ */
+
+#define show_fan(value) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm63_data *data = lm63_update_device(dev); \
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->value)); \
+}
+show_fan(fan1_input);
+show_fan(fan1_low);
+
+static ssize_t set_fan1_low(struct device *dev, const char *buf,
+        size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm63_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan1_low = FAN_TO_REG(val);
+        i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_LSB,
+                                  data->fan1_low & 0xFF);
+        i2c_smbus_write_byte_data(client, LM63_REG_TACH_LIMIT_MSB,
+                                  data->fan1_low >> 8);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_pwm1(struct device *dev, char *buf)
+{
+        struct lm63_data *data = lm63_update_device(dev);
+        return sprintf(buf, "%d\n", data->pwm1_value >= 2 * data->pwm1_freq ?
+                       255 : (data->pwm1_value * 255 + data->pwm1_freq) /
+                       (2 * data->pwm1_freq));
+}
+
+static ssize_t set_pwm1(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm63_data *data = i2c_get_clientdata(client);
+        unsigned long val;
+        
+        if (!(data->config_fan & 0x20)) /* register is read-only */
+                return -EPERM;
+
+        val = simple_strtoul(buf, NULL, 10);
+        down(&data->update_lock);
+        data->pwm1_value = val <= 0 ? 0 :
+                           val >= 255 ? 2 * data->pwm1_freq :
+                           (val * data->pwm1_freq * 2 + 127) / 255;
+        i2c_smbus_write_byte_data(client, LM63_REG_PWM_VALUE, data->pwm1_value);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_pwm1_enable(struct device *dev, char *buf)
+{
+        struct lm63_data *data = lm63_update_device(dev);
+        return sprintf(buf, "%d\n", data->config_fan & 0x20 ? 1 : 2);
+}
+
+#define show_temp8(value) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm63_data *data = lm63_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->value)); \
+}
+#define show_temp11(value) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm63_data *data = lm63_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP11_FROM_REG(data->value)); \
+}
+show_temp8(temp1_input);
+show_temp8(temp1_high);
+show_temp11(temp2_input);
+show_temp11(temp2_high);
+show_temp11(temp2_low);
+show_temp8(temp2_crit);
+
+#define set_temp8(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm63_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP8_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, reg, data->value); \
+        up(&data->update_lock); \
+        return count; \
+}
+#define set_temp11(value, reg_msb, reg_lsb) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm63_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP11_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, reg_msb, data->value >> 8); \
+        i2c_smbus_write_byte_data(client, reg_lsb, data->value & 0xff); \
+        up(&data->update_lock); \
+        return count; \
+}
+set_temp8(temp1_high, LM63_REG_LOCAL_HIGH);
+set_temp11(temp2_high, LM63_REG_REMOTE_HIGH_MSB, LM63_REG_REMOTE_HIGH_LSB);
+set_temp11(temp2_low, LM63_REG_REMOTE_LOW_MSB, LM63_REG_REMOTE_LOW_LSB);
+
+/* Hysteresis register holds a relative value, while we want to present
+   an absolute to user-space */
+static ssize_t show_temp2_crit_hyst(struct device *dev, char *buf)
+{
+        struct lm63_data *data = lm63_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP8_FROM_REG(data->temp2_crit)
+                       - TEMP8_FROM_REG(data->temp2_crit_hyst));
+}
+
+/* And now the other way around, user-space provides an absolute
+   hysteresis value and we have to store a relative one */
+static ssize_t set_temp2_crit_hyst(struct device *dev, const char *buf,
+        size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm63_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+        long hyst;
+
+        down(&data->update_lock);
+        hyst = TEMP8_FROM_REG(data->temp2_crit) - val;
+        i2c_smbus_write_byte_data(client, LM63_REG_REMOTE_TCRIT_HYST,
+                                  HYST_TO_REG(hyst));
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm63_data *data = lm63_update_device(dev);
+        return sprintf(buf, "%u\n", data->alarms);
+}
+
+static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan1_input, NULL);
+static DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan1_low,
+        set_fan1_low);
+
+static DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm1, set_pwm1);
+static DEVICE_ATTR(pwm1_enable, S_IRUGO, show_pwm1_enable, NULL);
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_high,
+        set_temp1_high);
+
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp2_input, NULL);
+static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp2_low,
+        set_temp2_low);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp2_high,
+        set_temp2_high);
+static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp2_crit, NULL);
+static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp2_crit_hyst,
+        set_temp2_crit_hyst);
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/*
+ * Real code
+ */
+
+static int lm63_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm63_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int lm63_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm63_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct lm63_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm63_data));
+
+        /* The common I2C client data is placed right before the
+           LM63-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm63_driver;
+        new_client->flags = 0;
+
+        /* Default to an LM63 if forced */
+        if (kind == 0)
+                kind = lm63;
+
+        if (kind < 0) { /* must identify */
+                u8 man_id, chip_id, reg_config1, reg_config2;
+                u8 reg_alert_status, reg_alert_mask;
+
+                man_id = i2c_smbus_read_byte_data(new_client,
+                         LM63_REG_MAN_ID);
+                chip_id = i2c_smbus_read_byte_data(new_client,
+                          LM63_REG_CHIP_ID);
+                reg_config1 = i2c_smbus_read_byte_data(new_client,
+                              LM63_REG_CONFIG1);
+                reg_config2 = i2c_smbus_read_byte_data(new_client,
+                              LM63_REG_CONFIG2);
+                reg_alert_status = i2c_smbus_read_byte_data(new_client,
+                                   LM63_REG_ALERT_STATUS);
+                reg_alert_mask = i2c_smbus_read_byte_data(new_client,
+                                 LM63_REG_ALERT_MASK);
+
+                if (man_id == 0x01 /* National Semiconductor */
+                 && chip_id == 0x41 /* LM63 */
+                 && (reg_config1 & 0x18) == 0x00
+                 && (reg_config2 & 0xF8) == 0x00
+                 && (reg_alert_status & 0x20) == 0x00
+                 && (reg_alert_mask & 0xA4) == 0xA4) {
+                        kind = lm63;
+                } else { /* failed */
+                        dev_dbg(&adapter->dev, "Unsupported chip "
+                                "(man_id=0x%02X, chip_id=0x%02X).\n",
+                                man_id, chip_id);
+                        goto exit_free;
+                }
+        }
+
+        strlcpy(new_client->name, "lm63", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the LM63 chip */
+        lm63_init_client(new_client);
+
+        /* Register sysfs hooks */
+        if (data->config & 0x04) { /* tachometer enabled */
+                device_create_file(&new_client->dev, &dev_attr_fan1_input);
+                device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        }
+        device_create_file(&new_client->dev, &dev_attr_pwm1);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+/* Idealy we shouldn't have to initialize anything, since the BIOS
+   should have taken care of everything */
+static void lm63_init_client(struct i2c_client *client)
+{
+        struct lm63_data *data = i2c_get_clientdata(client);
+
+        data->config = i2c_smbus_read_byte_data(client, LM63_REG_CONFIG1);
+        data->config_fan = i2c_smbus_read_byte_data(client,
+                                                    LM63_REG_CONFIG_FAN);
+
+        /* Start converting if needed */
+        if (data->config & 0x40) { /* standby */
+                dev_dbg(&client->dev, "Switching to operational mode");
+                data->config &= 0xA7;
+                i2c_smbus_write_byte_data(client, LM63_REG_CONFIG1,
+                                          data->config);
+        }
+
+        /* We may need pwm1_freq before ever updating the client data */
+        data->pwm1_freq = i2c_smbus_read_byte_data(client, LM63_REG_PWM_FREQ);
+        if (data->pwm1_freq == 0)
+                data->pwm1_freq = 1;
+
+        /* Show some debug info about the LM63 configuration */
+        dev_dbg(&client->dev, "Alert/tach pin configured for %s\n",
+                (data->config & 0x04) ? "tachometer input" :
+                "alert output");
+        dev_dbg(&client->dev, "PWM clock %s kHz, output frequency %u Hz\n",
+                (data->config_fan & 0x08) ? "1.4" : "360",
+                ((data->config_fan & 0x08) ? 700 : 180000) / data->pwm1_freq);
+        dev_dbg(&client->dev, "PWM output active %s, %s mode\n",
+                (data->config_fan & 0x10) ? "low" : "high",
+                (data->config_fan & 0x20) ? "manual" : "auto");
+}
+
+static int lm63_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct lm63_data *lm63_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm63_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+                if (data->config & 0x04) { /* tachometer enabled  */
+                        /* order matters for fan1_input */
+                        data->fan1_input = i2c_smbus_read_byte_data(client,
+                                           LM63_REG_TACH_COUNT_LSB) & 0xFC;
+                        data->fan1_input |= i2c_smbus_read_byte_data(client,
+                                            LM63_REG_TACH_COUNT_MSB) << 8;
+                        data->fan1_low = (i2c_smbus_read_byte_data(client,
+                                          LM63_REG_TACH_LIMIT_LSB) & 0xFC)
+                                       | (i2c_smbus_read_byte_data(client,
+                                          LM63_REG_TACH_LIMIT_MSB) << 8);
+                }
+
+                data->pwm1_freq = i2c_smbus_read_byte_data(client,
+                                  LM63_REG_PWM_FREQ);
+                if (data->pwm1_freq == 0)
+                        data->pwm1_freq = 1;
+                data->pwm1_value = i2c_smbus_read_byte_data(client,
+                                   LM63_REG_PWM_VALUE);
+
+                data->temp1_input = i2c_smbus_read_byte_data(client,
+                                    LM63_REG_LOCAL_TEMP);
+                data->temp1_high = i2c_smbus_read_byte_data(client,
+                                   LM63_REG_LOCAL_HIGH);
+
+                /* order matters for temp2_input */
+                data->temp2_input = i2c_smbus_read_byte_data(client,
+                                    LM63_REG_REMOTE_TEMP_MSB) << 8;
+                data->temp2_input |= i2c_smbus_read_byte_data(client,
+                                     LM63_REG_REMOTE_TEMP_LSB);
+                data->temp2_high = (i2c_smbus_read_byte_data(client,
+                                   LM63_REG_REMOTE_HIGH_MSB) << 8)
+                                 | i2c_smbus_read_byte_data(client,
+                                   LM63_REG_REMOTE_HIGH_LSB);
+                data->temp2_low = (i2c_smbus_read_byte_data(client,
+                                  LM63_REG_REMOTE_LOW_MSB) << 8)
+                                | i2c_smbus_read_byte_data(client,
+                                  LM63_REG_REMOTE_LOW_LSB);
+                data->temp2_crit = i2c_smbus_read_byte_data(client,
+                                   LM63_REG_REMOTE_TCRIT);
+                data->temp2_crit_hyst = i2c_smbus_read_byte_data(client,
+                                        LM63_REG_REMOTE_TCRIT_HYST);
+
+                data->alarms = i2c_smbus_read_byte_data(client,
+                               LM63_REG_ALERT_STATUS) & 0x7F;
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm63_init(void)
+{
+        return i2c_add_driver(&lm63_driver);
+}
+
+static void __exit sensors_lm63_exit(void)
+{
+        i2c_del_driver(&lm63_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("LM63 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm63_init);
+module_exit(sensors_lm63_exit);
diff --git a/drivers/i2c/chips/lm75.c b/drivers/i2c/chips/lm75.c
new file mode 100644
index 000000000000..0e86cc893981
--- /dev/null
+++ b/drivers/i2c/chips/lm75.c
@@ -0,0 +1,297 @@
+/*
+    lm75.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include "lm75.h"
+
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+                                        0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(lm75);
+
+/* Many LM75 constants specified below */
+
+/* The LM75 registers */
+#define LM75_REG_TEMP           0x00
+#define LM75_REG_CONF           0x01
+#define LM75_REG_TEMP_HYST      0x02
+#define LM75_REG_TEMP_OS        0x03
+
+/* Each client has this additional data */
+struct lm75_data {
+        struct i2c_client       client;
+        struct semaphore        update_lock;
+        char                    valid;          /* !=0 if following fields are valid */
+        unsigned long           last_updated;   /* In jiffies */
+        u16                     temp_input;     /* Register values */
+        u16                     temp_max;
+        u16                     temp_hyst;
+};
+
+static int lm75_attach_adapter(struct i2c_adapter *adapter);
+static int lm75_detect(struct i2c_adapter *adapter, int address, int kind);
+static void lm75_init_client(struct i2c_client *client);
+static int lm75_detach_client(struct i2c_client *client);
+static int lm75_read_value(struct i2c_client *client, u8 reg);
+static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value);
+static struct lm75_data *lm75_update_device(struct device *dev);
+
+
+/* This is the driver that will be inserted */
+static struct i2c_driver lm75_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm75",
+        .id             = I2C_DRIVERID_LM75,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm75_attach_adapter,
+        .detach_client  = lm75_detach_client,
+};
+
+#define show(value)     \
+static ssize_t show_##value(struct device *dev, char *buf)              \
+{                                                                       \
+        struct lm75_data *data = lm75_update_device(dev);               \
+        return sprintf(buf, "%d\n", LM75_TEMP_FROM_REG(data->value));   \
+}
+show(temp_max);
+show(temp_hyst);
+show(temp_input);
+
+#define set(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, size_t count)   \
+{                                                               \
+        struct i2c_client *client = to_i2c_client(dev);         \
+        struct lm75_data *data = i2c_get_clientdata(client);    \
+        int temp = simple_strtoul(buf, NULL, 10);               \
+                                                                \
+        down(&data->update_lock);                               \
+        data->value = LM75_TEMP_TO_REG(temp);                   \
+        lm75_write_value(client, reg, data->value);             \
+        up(&data->update_lock);                                 \
+        return count;                                           \
+}
+set(temp_max, LM75_REG_TEMP_OS);
+set(temp_hyst, LM75_REG_TEMP_HYST);
+
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max, set_temp_max);
+static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp_hyst, set_temp_hyst);
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input, NULL);
+
+static int lm75_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm75_detect);
+}
+
+/* This function is called by i2c_detect */
+static int lm75_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i;
+        struct i2c_client *new_client;
+        struct lm75_data *data;
+        int err = 0;
+        const char *name = "";
+
+        /* Make sure we aren't probing the ISA bus!! This is just a safety check
+           at this moment; i2c_detect really won't call us. */
+#ifdef DEBUG
+        if (i2c_is_isa_adapter(adapter)) {
+                dev_dbg(&adapter->dev,
+                        "lm75_detect called for an ISA bus adapter?!?\n");
+                goto exit;
+        }
+#endif
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+                                     I2C_FUNC_SMBUS_WORD_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access lm75_{read,write}_value. */
+        if (!(data = kmalloc(sizeof(struct lm75_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm75_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm75_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. There is no identification-
+           dedicated register so we have to rely on several tricks:
+           unused bits, registers cycling over 8-address boundaries,
+           addresses 0x04-0x07 returning the last read value.
+           The cycling+unused addresses combination is not tested,
+           since it would significantly slow the detection down and would
+           hardly add any value. */
+        if (kind < 0) {
+                int cur, conf, hyst, os;
+
+                /* Unused addresses */
+                cur = i2c_smbus_read_word_data(new_client, 0);
+                conf = i2c_smbus_read_byte_data(new_client, 1);
+                hyst = i2c_smbus_read_word_data(new_client, 2);
+                if (i2c_smbus_read_word_data(new_client, 4) != hyst
+                 || i2c_smbus_read_word_data(new_client, 5) != hyst
+                 || i2c_smbus_read_word_data(new_client, 6) != hyst
+                 || i2c_smbus_read_word_data(new_client, 7) != hyst)
+                        goto exit_free;
+                os = i2c_smbus_read_word_data(new_client, 3);
+                if (i2c_smbus_read_word_data(new_client, 4) != os
+                 || i2c_smbus_read_word_data(new_client, 5) != os
+                 || i2c_smbus_read_word_data(new_client, 6) != os
+                 || i2c_smbus_read_word_data(new_client, 7) != os)
+                        goto exit_free;
+
+                /* Unused bits */
+                if (conf & 0xe0)
+                        goto exit_free;
+
+                /* Addresses cycling */
+                for (i = 8; i < 0xff; i += 8)
+                        if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
+                         || i2c_smbus_read_word_data(new_client, i + 2) != hyst
+                         || i2c_smbus_read_word_data(new_client, i + 3) != os)
+                                goto exit_free;
+        }
+
+        /* Determine the chip type - only one kind supported! */
+        if (kind <= 0)
+                kind = lm75;
+
+        if (kind == lm75) {
+                name = "lm75";
+        }
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the LM75 chip */
+        lm75_init_client(new_client);
+        
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int lm75_detach_client(struct i2c_client *client)
+{
+        i2c_detach_client(client);
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+/* All registers are word-sized, except for the configuration register.
+   LM75 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int lm75_read_value(struct i2c_client *client, u8 reg)
+{
+        if (reg == LM75_REG_CONF)
+                return i2c_smbus_read_byte_data(client, reg);
+        else
+                return swab16(i2c_smbus_read_word_data(client, reg));
+}
+
+/* All registers are word-sized, except for the configuration register.
+   LM75 uses a high-byte first convention, which is exactly opposite to
+   the usual practice. */
+static int lm75_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if (reg == LM75_REG_CONF)
+                return i2c_smbus_write_byte_data(client, reg, value);
+        else
+                return i2c_smbus_write_word_data(client, reg, swab16(value));
+}
+
+static void lm75_init_client(struct i2c_client *client)
+{
+        /* Initialize the LM75 chip */
+        lm75_write_value(client, LM75_REG_CONF, 0);
+}
+
+static struct lm75_data *lm75_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm75_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                dev_dbg(&client->dev, "Starting lm75 update\n");
+
+                data->temp_input = lm75_read_value(client, LM75_REG_TEMP);
+                data->temp_max = lm75_read_value(client, LM75_REG_TEMP_OS);
+                data->temp_hyst = lm75_read_value(client, LM75_REG_TEMP_HYST);
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm75_init(void)
+{
+        return i2c_add_driver(&lm75_driver);
+}
+
+static void __exit sensors_lm75_exit(void)
+{
+        i2c_del_driver(&lm75_driver);
+}
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
+MODULE_DESCRIPTION("LM75 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm75_init);
+module_exit(sensors_lm75_exit);
diff --git a/drivers/i2c/chips/lm75.h b/drivers/i2c/chips/lm75.h
new file mode 100644
index 000000000000..63e3f2fb4c21
--- /dev/null
+++ b/drivers/i2c/chips/lm75.h
@@ -0,0 +1,49 @@
+/*
+    lm75.h - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 2003 Mark M. Hoffman <mhoffman@lightlink.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    This file contains common code for encoding/decoding LM75 type
+    temperature readings, which are emulated by many of the chips
+    we support.  As the user is unlikely to load more than one driver
+    which contains this code, we don't worry about the wasted space.
+*/
+
+#include <linux/i2c-sensor.h>
+
+/* straight from the datasheet */
+#define LM75_TEMP_MIN (-55000)
+#define LM75_TEMP_MAX 125000
+
+/* TEMP: 0.001C/bit (-55C to +125C)
+   REG: (0.5C/bit, two's complement) << 7 */
+static inline u16 LM75_TEMP_TO_REG(int temp)
+{
+        int ntemp = SENSORS_LIMIT(temp, LM75_TEMP_MIN, LM75_TEMP_MAX);
+        ntemp += (ntemp<0 ? -250 : 250);
+        return (u16)((ntemp / 500) << 7);
+}
+
+static inline int LM75_TEMP_FROM_REG(u16 reg)
+{
+        /* use integer division instead of equivalent right shift to
+           guarantee arithmetic shift and preserve the sign */
+        return ((s16)reg / 128) * 500;
+}
+
diff --git a/drivers/i2c/chips/lm77.c b/drivers/i2c/chips/lm77.c
new file mode 100644
index 000000000000..f56b7a37de75
--- /dev/null
+++ b/drivers/i2c/chips/lm77.c
@@ -0,0 +1,421 @@
+/*
+    lm77.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+
+    Copyright (c) 2004  Andras BALI <drewie@freemail.hu>
+
+    Heavily based on lm75.c by Frodo Looijaard <frodol@dds.nl>.  The LM77
+    is a temperature sensor and thermal window comparator with 0.5 deg
+    resolution made by National Semiconductor.  Complete datasheet can be
+    obtained at their site:
+       http://www.national.com/pf/LM/LM77.html
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(lm77);
+
+/* The LM77 registers */
+#define LM77_REG_TEMP           0x00
+#define LM77_REG_CONF           0x01
+#define LM77_REG_TEMP_HYST      0x02
+#define LM77_REG_TEMP_CRIT      0x03
+#define LM77_REG_TEMP_MIN       0x04
+#define LM77_REG_TEMP_MAX       0x05
+
+/* Each client has this additional data */
+struct lm77_data {
+        struct i2c_client       client;
+        struct semaphore        update_lock;
+        char                    valid;
+        unsigned long           last_updated;   /* In jiffies */
+        int                     temp_input;     /* Temperatures */
+        int                     temp_crit;
+        int                     temp_min;
+        int                     temp_max;
+        int                     temp_hyst;
+        u8                      alarms;
+};
+
+static int lm77_attach_adapter(struct i2c_adapter *adapter);
+static int lm77_detect(struct i2c_adapter *adapter, int address, int kind);
+static void lm77_init_client(struct i2c_client *client);
+static int lm77_detach_client(struct i2c_client *client);
+static u16 lm77_read_value(struct i2c_client *client, u8 reg);
+static int lm77_write_value(struct i2c_client *client, u8 reg, u16 value);
+
+static struct lm77_data *lm77_update_device(struct device *dev);
+
+
+/* This is the driver that will be inserted */
+static struct i2c_driver lm77_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm77",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm77_attach_adapter,
+        .detach_client  = lm77_detach_client,
+};
+
+/* straight from the datasheet */
+#define LM77_TEMP_MIN (-55000)
+#define LM77_TEMP_MAX 125000
+
+/* In the temperature registers, the low 3 bits are not part of the
+   temperature values; they are the status bits. */
+static inline u16 LM77_TEMP_TO_REG(int temp)
+{
+        int ntemp = SENSORS_LIMIT(temp, LM77_TEMP_MIN, LM77_TEMP_MAX);
+        return (u16)((ntemp / 500) * 8);
+}
+
+static inline int LM77_TEMP_FROM_REG(u16 reg)
+{
+        return ((int)reg / 8) * 500;
+}
+
+/* sysfs stuff */
+
+/* read routines for temperature limits */
+#define show(value)     \
+static ssize_t show_##value(struct device *dev, char *buf)      \
+{                                                               \
+        struct lm77_data *data = lm77_update_device(dev);       \
+        return sprintf(buf, "%d\n", data->value);               \
+}
+
+show(temp_input);
+show(temp_crit);
+show(temp_min);
+show(temp_max);
+show(alarms);
+
+/* read routines for hysteresis values */
+static ssize_t show_temp_crit_hyst(struct device *dev, char *buf)
+{
+        struct lm77_data *data = lm77_update_device(dev);
+        return sprintf(buf, "%d\n", data->temp_crit - data->temp_hyst);
+}
+static ssize_t show_temp_min_hyst(struct device *dev, char *buf)
+{
+        struct lm77_data *data = lm77_update_device(dev);
+        return sprintf(buf, "%d\n", data->temp_min + data->temp_hyst);
+}
+static ssize_t show_temp_max_hyst(struct device *dev, char *buf)
+{
+        struct lm77_data *data = lm77_update_device(dev);
+        return sprintf(buf, "%d\n", data->temp_max - data->temp_hyst);
+}
+
+/* write routines */
+#define set(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, size_t count)   \
+{                                                                               \
+        struct i2c_client *client = to_i2c_client(dev);                         \
+        struct lm77_data *data = i2c_get_clientdata(client);                    \
+        long val = simple_strtoul(buf, NULL, 10);                               \
+                                                                                \
+        down(&data->update_lock);                                               \
+        data->value = val;                              \
+        lm77_write_value(client, reg, LM77_TEMP_TO_REG(data->value));           \
+        up(&data->update_lock);                                                 \
+        return count;                                                           \
+}
+
+set(temp_min, LM77_REG_TEMP_MIN);
+set(temp_max, LM77_REG_TEMP_MAX);
+
+/* hysteresis is stored as a relative value on the chip, so it has to be
+   converted first */
+static ssize_t set_temp_crit_hyst(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm77_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_hyst = data->temp_crit - val;
+        lm77_write_value(client, LM77_REG_TEMP_HYST,
+                         LM77_TEMP_TO_REG(data->temp_hyst));
+        up(&data->update_lock);
+        return count;
+}
+
+/* preserve hysteresis when setting T_crit */
+static ssize_t set_temp_crit(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm77_data *data = i2c_get_clientdata(client);
+        long val = simple_strtoul(buf, NULL, 10);
+        int oldcrithyst;
+        
+        down(&data->update_lock);
+        oldcrithyst = data->temp_crit - data->temp_hyst;
+        data->temp_crit = val;
+        data->temp_hyst = data->temp_crit - oldcrithyst;
+        lm77_write_value(client, LM77_REG_TEMP_CRIT,
+                         LM77_TEMP_TO_REG(data->temp_crit));
+        lm77_write_value(client, LM77_REG_TEMP_HYST,
+                         LM77_TEMP_TO_REG(data->temp_hyst));
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO,
+                   show_temp_input, NULL);
+static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO,
+                   show_temp_crit, set_temp_crit);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO,
+                   show_temp_min, set_temp_min);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO,
+                   show_temp_max, set_temp_max);
+
+static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO,
+                   show_temp_crit_hyst, set_temp_crit_hyst);
+static DEVICE_ATTR(temp1_min_hyst, S_IRUGO,
+                   show_temp_min_hyst, NULL);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO,
+                   show_temp_max_hyst, NULL);
+
+static DEVICE_ATTR(alarms, S_IRUGO,
+                   show_alarms, NULL);
+
+static int lm77_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm77_detect);
+}
+
+/* This function is called by i2c_detect */
+static int lm77_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm77_data *data;
+        int err = 0;
+        const char *name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
+                                     I2C_FUNC_SMBUS_WORD_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access lm77_{read,write}_value. */
+        if (!(data = kmalloc(sizeof(struct lm77_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm77_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm77_driver;
+        new_client->flags = 0;
+
+        /* Here comes the remaining detection.  Since the LM77 has no
+           register dedicated to identification, we have to rely on the
+           following tricks:
+
+           1. the high 4 bits represent the sign and thus they should
+              always be the same
+           2. the high 3 bits are unused in the configuration register
+           3. addresses 0x06 and 0x07 return the last read value
+           4. registers cycling over 8-address boundaries
+
+           Word-sized registers are high-byte first. */
+        if (kind < 0) {
+                int i, cur, conf, hyst, crit, min, max;
+
+                /* addresses cycling */
+                cur = i2c_smbus_read_word_data(new_client, 0);
+                conf = i2c_smbus_read_byte_data(new_client, 1);
+                hyst = i2c_smbus_read_word_data(new_client, 2);
+                crit = i2c_smbus_read_word_data(new_client, 3);
+                min = i2c_smbus_read_word_data(new_client, 4);
+                max = i2c_smbus_read_word_data(new_client, 5);
+                for (i = 8; i <= 0xff; i += 8)
+                        if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
+                            || i2c_smbus_read_word_data(new_client, i + 2) != hyst
+                            || i2c_smbus_read_word_data(new_client, i + 3) != crit
+                            || i2c_smbus_read_word_data(new_client, i + 4) != min
+                            || i2c_smbus_read_word_data(new_client, i + 5) != max)
+                                goto exit_free;
+
+                /* sign bits */
+                if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0)
+                    || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0)
+                    || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0)
+                    || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0)
+                    || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0))
+                        goto exit_free;
+
+                /* unused bits */
+                if (conf & 0xe0)
+                        goto exit_free;
+
+                /* 0x06 and 0x07 return the last read value */
+                cur = i2c_smbus_read_word_data(new_client, 0);
+                if (i2c_smbus_read_word_data(new_client, 6) != cur
+                    || i2c_smbus_read_word_data(new_client, 7) != cur)
+                        goto exit_free;
+                hyst = i2c_smbus_read_word_data(new_client, 2);
+                if (i2c_smbus_read_word_data(new_client, 6) != hyst
+                    || i2c_smbus_read_word_data(new_client, 7) != hyst)
+                        goto exit_free;
+                min = i2c_smbus_read_word_data(new_client, 4);
+                if (i2c_smbus_read_word_data(new_client, 6) != min
+                    || i2c_smbus_read_word_data(new_client, 7) != min)
+                        goto exit_free;
+
+        }
+
+        /* Determine the chip type - only one kind supported! */
+        if (kind <= 0)
+                kind = lm77;
+
+        if (kind == lm77) {
+                name = "lm77";
+        }
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the LM77 chip */
+        lm77_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int lm77_detach_client(struct i2c_client *client)
+{
+        i2c_detach_client(client);
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+/* All registers are word-sized, except for the configuration register.
+   The LM77 uses the high-byte first convention. */
+static u16 lm77_read_value(struct i2c_client *client, u8 reg)
+{
+        if (reg == LM77_REG_CONF)
+                return i2c_smbus_read_byte_data(client, reg);
+        else
+                return swab16(i2c_smbus_read_word_data(client, reg));
+}
+
+static int lm77_write_value(struct i2c_client *client, u8 reg, u16 value)
+{
+        if (reg == LM77_REG_CONF)
+                return i2c_smbus_write_byte_data(client, reg, value);
+        else
+                return i2c_smbus_write_word_data(client, reg, swab16(value));
+}
+
+static void lm77_init_client(struct i2c_client *client)
+{
+        /* Initialize the LM77 chip - turn off shutdown mode */
+        int conf = lm77_read_value(client, LM77_REG_CONF);
+        if (conf & 1)
+                lm77_write_value(client, LM77_REG_CONF, conf & 0xfe);
+}
+
+static struct lm77_data *lm77_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm77_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                dev_dbg(&client->dev, "Starting lm77 update\n");
+                data->temp_input =
+                        LM77_TEMP_FROM_REG(lm77_read_value(client,
+                                                           LM77_REG_TEMP));
+                data->temp_hyst =
+                        LM77_TEMP_FROM_REG(lm77_read_value(client,
+                                                           LM77_REG_TEMP_HYST));
+                data->temp_crit =
+                        LM77_TEMP_FROM_REG(lm77_read_value(client,
+                                                           LM77_REG_TEMP_CRIT));
+                data->temp_min =
+                        LM77_TEMP_FROM_REG(lm77_read_value(client,
+                                                           LM77_REG_TEMP_MIN));
+                data->temp_max =
+                        LM77_TEMP_FROM_REG(lm77_read_value(client,
+                                                           LM77_REG_TEMP_MAX));
+                data->alarms =
+                        lm77_read_value(client, LM77_REG_TEMP) & 0x0007;
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm77_init(void)
+{
+        return i2c_add_driver(&lm77_driver);
+}
+
+static void __exit sensors_lm77_exit(void)
+{
+        i2c_del_driver(&lm77_driver);
+}
+
+MODULE_AUTHOR("Andras BALI <drewie@freemail.hu>");
+MODULE_DESCRIPTION("LM77 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm77_init);
+module_exit(sensors_lm77_exit);
diff --git a/drivers/i2c/chips/lm78.c b/drivers/i2c/chips/lm78.c
new file mode 100644
index 000000000000..6d52d14eb31c
--- /dev/null
+++ b/drivers/i2c/chips/lm78.c
@@ -0,0 +1,796 @@
+/*
+    lm78.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> 
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <asm/io.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24,
+                                        0x25, 0x26, 0x27, 0x28, 0x29,
+                                        0x2a, 0x2b, 0x2c, 0x2d, 0x2e,
+                                        0x2f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_3(lm78, lm78j, lm79);
+
+/* Many LM78 constants specified below */
+
+/* Length of ISA address segment */
+#define LM78_EXTENT 8
+
+/* Where are the ISA address/data registers relative to the base address */
+#define LM78_ADDR_REG_OFFSET 5
+#define LM78_DATA_REG_OFFSET 6
+
+/* The LM78 registers */
+#define LM78_REG_IN_MAX(nr) (0x2b + (nr) * 2)
+#define LM78_REG_IN_MIN(nr) (0x2c + (nr) * 2)
+#define LM78_REG_IN(nr) (0x20 + (nr))
+
+#define LM78_REG_FAN_MIN(nr) (0x3b + (nr))
+#define LM78_REG_FAN(nr) (0x28 + (nr))
+
+#define LM78_REG_TEMP 0x27
+#define LM78_REG_TEMP_OVER 0x39
+#define LM78_REG_TEMP_HYST 0x3a
+
+#define LM78_REG_ALARM1 0x41
+#define LM78_REG_ALARM2 0x42
+
+#define LM78_REG_VID_FANDIV 0x47
+
+#define LM78_REG_CONFIG 0x40
+#define LM78_REG_CHIPID 0x49
+#define LM78_REG_I2C_ADDR 0x48
+
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG 
+   variants. */
+
+/* IN: mV, (0V to 4.08V)
+   REG: 16mV/bit */
+static inline u8 IN_TO_REG(unsigned long val)
+{
+        unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
+        return (nval + 8) / 16;
+}
+#define IN_FROM_REG(val) ((val) *  16)
+
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm <= 0)
+                return 255;
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
+}
+
+static inline int FAN_FROM_REG(u8 val, int div)
+{
+        return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+}
+
+/* TEMP: mC (-128C to +127C)
+   REG: 1C/bit, two's complement */
+static inline s8 TEMP_TO_REG(int val)
+{
+        int nval = SENSORS_LIMIT(val, -128000, 127000) ;
+        return nval<0 ? (nval-500)/1000 : (nval+500)/1000;
+}
+
+static inline int TEMP_FROM_REG(s8 val)
+{
+        return val * 1000;
+}
+
+/* VID: mV
+   REG: (see doc/vid) */
+static inline int VID_FROM_REG(u8 val)
+{
+        return val==0x1f ? 0 : val>=0x10 ? 5100-val*100 : 2050-val*50;
+}
+
+#define DIV_FROM_REG(val) (1 << (val))
+
+/* There are some complications in a module like this. First off, LM78 chips
+   may be both present on the SMBus and the ISA bus, and we have to handle
+   those cases separately at some places. Second, there might be several
+   LM78 chips available (well, actually, that is probably never done; but
+   it is a clean illustration of how to handle a case like that). Finally,
+   a specific chip may be attached to *both* ISA and SMBus, and we would
+   not like to detect it double. Fortunately, in the case of the LM78 at
+   least, a register tells us what SMBus address we are on, so that helps
+   a bit - except if there could be more than one SMBus. Groan. No solution
+   for this yet. */
+
+/* This module may seem overly long and complicated. In fact, it is not so
+   bad. Quite a lot of bookkeeping is done. A real driver can often cut
+   some corners. */
+
+/* For each registered LM78, we need to keep some data in memory. That
+   data is pointed to by lm78_list[NR]->data. The structure itself is
+   dynamically allocated, at the same time when a new lm78 client is
+   allocated. */
+struct lm78_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 in[7];               /* Register value */
+        u8 in_max[7];           /* Register value */
+        u8 in_min[7];           /* Register value */
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        s8 temp;                /* Register value */
+        s8 temp_over;           /* Register value */
+        s8 temp_hyst;           /* Register value */
+        u8 fan_div[3];          /* Register encoding, shifted right */
+        u8 vid;                 /* Register encoding, combined */
+        u16 alarms;             /* Register encoding, combined */
+};
+
+
+static int lm78_attach_adapter(struct i2c_adapter *adapter);
+static int lm78_detect(struct i2c_adapter *adapter, int address, int kind);
+static int lm78_detach_client(struct i2c_client *client);
+
+static int lm78_read_value(struct i2c_client *client, u8 register);
+static int lm78_write_value(struct i2c_client *client, u8 register, u8 value);
+static struct lm78_data *lm78_update_device(struct device *dev);
+static void lm78_init_client(struct i2c_client *client);
+
+
+static struct i2c_driver lm78_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm78",
+        .id             = I2C_DRIVERID_LM78,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm78_attach_adapter,
+        .detach_client  = lm78_detach_client,
+};
+
+/* 7 Voltages */
+static ssize_t show_in(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
+}
+
+static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
+}
+
+static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
+}
+
+static ssize_t set_in_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = IN_TO_REG(val);
+        lm78_write_value(client, LM78_REG_IN_MIN(nr), data->in_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_in_max(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = IN_TO_REG(val);
+        lm78_write_value(client, LM78_REG_IN_MAX(nr), data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+        
+#define show_in_offset(offset)                                  \
+static ssize_t                                                  \
+        show_in##offset (struct device *dev, char *buf)         \
+{                                                               \
+        return show_in(dev, buf, offset);                       \
+}                                                               \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO,                 \
+                show_in##offset, NULL);                         \
+static ssize_t                                                  \
+        show_in##offset##_min (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_min(dev, buf, offset);                   \
+}                                                               \
+static ssize_t                                                  \
+        show_in##offset##_max (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_max(dev, buf, offset);                   \
+}                                                               \
+static ssize_t set_in##offset##_min (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_min(dev, buf, count, offset);             \
+}                                                               \
+static ssize_t set_in##offset##_max (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_max(dev, buf, count, offset);             \
+}                                                               \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_min, set_in##offset##_min);   \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_max, set_in##offset##_max);
+
+show_in_offset(0);
+show_in_offset(1);
+show_in_offset(2);
+show_in_offset(3);
+show_in_offset(4);
+show_in_offset(5);
+show_in_offset(6);
+
+/* Temperature */
+static ssize_t show_temp(struct device *dev, char *buf)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
+}
+
+static ssize_t show_temp_over(struct device *dev, char *buf)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
+}
+
+static ssize_t set_temp_over(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_over = TEMP_TO_REG(val);
+        lm78_write_value(client, LM78_REG_TEMP_OVER, data->temp_over);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_temp_hyst(struct device *dev, char *buf)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
+}
+
+static ssize_t set_temp_hyst(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_hyst = TEMP_TO_REG(val);
+        lm78_write_value(client, LM78_REG_TEMP_HYST, data->temp_hyst);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+                show_temp_over, set_temp_over);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
+                show_temp_hyst, set_temp_hyst);
+
+/* 3 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
+                DIV_FROM_REG(data->fan_div[nr])) );
+}
+
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
+                DIV_FROM_REG(data->fan_div[nr])) );
+}
+
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+        lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+        unsigned long min;
+        u8 reg;
+
+        down(&data->update_lock);
+        min = FAN_FROM_REG(data->fan_min[nr],
+                           DIV_FROM_REG(data->fan_div[nr]));
+
+        switch (val) {
+        case 1: data->fan_div[nr] = 0; break;
+        case 2: data->fan_div[nr] = 1; break;
+        case 4: data->fan_div[nr] = 2; break;
+        case 8: data->fan_div[nr] = 3; break;
+        default:
+                dev_err(&client->dev, "fan_div value %ld not "
+                        "supported. Choose one of 1, 2, 4 or 8!\n", val);
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        reg = lm78_read_value(client, LM78_REG_VID_FANDIV);
+        switch (nr) {
+        case 0:
+                reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
+                break;
+        case 1:
+                reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
+                break;
+        }
+        lm78_write_value(client, LM78_REG_VID_FANDIV, reg);
+
+        data->fan_min[nr] =
+                FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        lm78_write_value(client, LM78_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define show_fan_offset(offset)                                         \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_min, set_fan_##offset##_min);
+
+static ssize_t set_fan_1_div(struct device *dev, const char *buf,
+                size_t count)
+{
+        return set_fan_div(dev, buf, count, 0) ;
+}
+
+static ssize_t set_fan_2_div(struct device *dev, const char *buf,
+                size_t count)
+{
+        return set_fan_div(dev, buf, count, 1) ;
+}
+
+show_fan_offset(1);
+show_fan_offset(2);
+show_fan_offset(3);
+
+/* Fan 3 divisor is locked in H/W */
+static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
+                show_fan_1_div, set_fan_1_div);
+static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
+                show_fan_2_div, set_fan_2_div);
+static DEVICE_ATTR(fan3_div, S_IRUGO, show_fan_3_div, NULL);
+
+/* VID */
+static ssize_t show_vid(struct device *dev, char *buf)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%d\n", VID_FROM_REG(data->vid));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+/* Alarms */
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm78_data *data = lm78_update_device(dev);
+        return sprintf(buf, "%u\n", data->alarms);
+}
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/* This function is called when:
+     * lm78_driver is inserted (when this module is loaded), for each
+       available adapter
+     * when a new adapter is inserted (and lm78_driver is still present) */
+static int lm78_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm78_detect);
+}
+
+/* This function is called by i2c_detect */
+int lm78_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i, err;
+        struct i2c_client *new_client;
+        struct lm78_data *data;
+        const char *client_name = "";
+        int is_isa = i2c_is_isa_adapter(adapter);
+
+        if (!is_isa &&
+            !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+                err = -ENODEV;
+                goto ERROR0;
+        }
+
+        /* Reserve the ISA region */
+        if (is_isa)
+                if (!request_region(address, LM78_EXTENT, lm78_driver.name)) {
+                        err = -EBUSY;
+                        goto ERROR0;
+                }
+
+        /* Probe whether there is anything available on this address. Already
+           done for SMBus clients */
+        if (kind < 0) {
+                if (is_isa) {
+
+#define REALLY_SLOW_IO
+                        /* We need the timeouts for at least some LM78-like
+                           chips. But only if we read 'undefined' registers. */
+                        i = inb_p(address + 1);
+                        if (inb_p(address + 2) != i) {
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+                        if (inb_p(address + 3) != i) {
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+                        if (inb_p(address + 7) != i) {
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+#undef REALLY_SLOW_IO
+
+                        /* Let's just hope nothing breaks here */
+                        i = inb_p(address + 5) & 0x7f;
+                        outb_p(~i & 0x7f, address + 5);
+                        if ((inb_p(address + 5) & 0x7f) != (~i & 0x7f)) {
+                                outb_p(i, address + 5);
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+                }
+        }
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access lm78_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct lm78_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR1;
+        }
+        memset(data, 0, sizeof(struct lm78_data));
+
+        new_client = &data->client;
+        if (is_isa)
+                init_MUTEX(&data->lock);
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm78_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+        if (kind < 0) {
+                if (lm78_read_value(new_client, LM78_REG_CONFIG) & 0x80) {
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+                if (!is_isa && (lm78_read_value(
+                                new_client, LM78_REG_I2C_ADDR) != address)) {
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+        }
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                i = lm78_read_value(new_client, LM78_REG_CHIPID);
+                if (i == 0x00 || i == 0x20)
+                        kind = lm78;
+                else if (i == 0x40)
+                        kind = lm78j;
+                else if ((i & 0xfe) == 0xc0)
+                        kind = lm79;
+                else {
+                        if (kind == 0)
+                                dev_warn(&adapter->dev, "Ignoring 'force' "
+                                        "parameter for unknown chip at "
+                                        "adapter %d, address 0x%02x\n",
+                                        i2c_adapter_id(adapter), address);
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+        }
+
+        if (kind == lm78) {
+                client_name = "lm78";
+        } else if (kind == lm78j) {
+                client_name = "lm78-j";
+        } else if (kind == lm79) {
+                client_name = "lm79";
+        }
+
+        /* Fill in the remaining client fields and put into the global list */
+        strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+        data->type = kind;
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR2;
+
+        /* Initialize the LM78 chip */
+        lm78_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        for (i = 0; i < 3; i++) {
+                data->fan_min[i] = lm78_read_value(new_client,
+                                        LM78_REG_FAN_MIN(i));
+        }
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_in5_input);
+        device_create_file(&new_client->dev, &dev_attr_in5_min);
+        device_create_file(&new_client->dev, &dev_attr_in5_max);
+        device_create_file(&new_client->dev, &dev_attr_in6_input);
+        device_create_file(&new_client->dev, &dev_attr_in6_min);
+        device_create_file(&new_client->dev, &dev_attr_in6_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_fan3_input);
+        device_create_file(&new_client->dev, &dev_attr_fan3_min);
+        device_create_file(&new_client->dev, &dev_attr_fan3_div);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
+
+        return 0;
+
+ERROR2:
+        kfree(data);
+ERROR1:
+        if (is_isa)
+                release_region(address, LM78_EXTENT);
+ERROR0:
+        return err;
+}
+
+static int lm78_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                    "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        if(i2c_is_isa_client(client))
+                release_region(client->addr, LM78_EXTENT);
+
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+/* The SMBus locks itself, but ISA access must be locked explicitely! 
+   We don't want to lock the whole ISA bus, so we lock each client
+   separately.
+   We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the LM78 access and should not be necessary.  */
+static int lm78_read_value(struct i2c_client *client, u8 reg)
+{
+        int res;
+        if (i2c_is_isa_client(client)) {
+                struct lm78_data *data = i2c_get_clientdata(client);
+                down(&data->lock);
+                outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
+                res = inb_p(client->addr + LM78_DATA_REG_OFFSET);
+                up(&data->lock);
+                return res;
+        } else
+                return i2c_smbus_read_byte_data(client, reg);
+}
+
+/* The SMBus locks itself, but ISA access muse be locked explicitely! 
+   We don't want to lock the whole ISA bus, so we lock each client
+   separately.
+   We ignore the LM78 BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the LM78 access and should not be necessary. 
+   There are some ugly typecasts here, but the good new is - they should
+   nowhere else be necessary! */
+static int lm78_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        if (i2c_is_isa_client(client)) {
+                struct lm78_data *data = i2c_get_clientdata(client);
+                down(&data->lock);
+                outb_p(reg, client->addr + LM78_ADDR_REG_OFFSET);
+                outb_p(value, client->addr + LM78_DATA_REG_OFFSET);
+                up(&data->lock);
+                return 0;
+        } else
+                return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Called when we have found a new LM78. It should set limits, etc. */
+static void lm78_init_client(struct i2c_client *client)
+{
+        u8 config = lm78_read_value(client, LM78_REG_CONFIG);
+
+        /* Start monitoring */
+        if (!(config & 0x01))
+                lm78_write_value(client, LM78_REG_CONFIG,
+                                 (config & 0xf7) | 0x01);
+}
+
+static struct lm78_data *lm78_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm78_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+
+                dev_dbg(&client->dev, "Starting lm78 update\n");
+
+                for (i = 0; i <= 6; i++) {
+                        data->in[i] =
+                            lm78_read_value(client, LM78_REG_IN(i));
+                        data->in_min[i] =
+                            lm78_read_value(client, LM78_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            lm78_read_value(client, LM78_REG_IN_MAX(i));
+                }
+                for (i = 0; i < 3; i++) {
+                        data->fan[i] =
+                            lm78_read_value(client, LM78_REG_FAN(i));
+                        data->fan_min[i] =
+                            lm78_read_value(client, LM78_REG_FAN_MIN(i));
+                }
+                data->temp = lm78_read_value(client, LM78_REG_TEMP);
+                data->temp_over =
+                    lm78_read_value(client, LM78_REG_TEMP_OVER);
+                data->temp_hyst =
+                    lm78_read_value(client, LM78_REG_TEMP_HYST);
+                i = lm78_read_value(client, LM78_REG_VID_FANDIV);
+                data->vid = i & 0x0f;
+                if (data->type == lm79)
+                        data->vid |=
+                            (lm78_read_value(client, LM78_REG_CHIPID) &
+                             0x01) << 4;
+                else
+                        data->vid |= 0x10;
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = i >> 6;
+                data->alarms = lm78_read_value(client, LM78_REG_ALARM1) +
+                    (lm78_read_value(client, LM78_REG_ALARM2) << 8);
+                data->last_updated = jiffies;
+                data->valid = 1;
+
+                data->fan_div[2] = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sm_lm78_init(void)
+{
+        return i2c_add_driver(&lm78_driver);
+}
+
+static void __exit sm_lm78_exit(void)
+{
+        i2c_del_driver(&lm78_driver);
+}
+
+
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
+MODULE_DESCRIPTION("LM78, LM78-J and LM79 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sm_lm78_init);
+module_exit(sm_lm78_exit);
diff --git a/drivers/i2c/chips/lm80.c b/drivers/i2c/chips/lm80.c
new file mode 100644
index 000000000000..a72f431971bb
--- /dev/null
+++ b/drivers/i2c/chips/lm80.c
@@ -0,0 +1,602 @@
+/*
+ * lm80.c - From lm_sensors, Linux kernel modules for hardware
+ * monitoring
+ * Copyright (C) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+ * and Philip Edelbrock <phil@netroedge.com>
+ *
+ * Ported to Linux 2.6 by Tiago Sousa <mirage@kaotik.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x28, 0x29, 0x2a, 0x2b, 0x2c,
+                                        0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(lm80);
+
+/* Many LM80 constants specified below */
+
+/* The LM80 registers */
+#define LM80_REG_IN_MAX(nr)             (0x2a + (nr) * 2)
+#define LM80_REG_IN_MIN(nr)             (0x2b + (nr) * 2)
+#define LM80_REG_IN(nr)                 (0x20 + (nr))
+
+#define LM80_REG_FAN1                   0x28
+#define LM80_REG_FAN2                   0x29
+#define LM80_REG_FAN_MIN(nr)            (0x3b + (nr))
+
+#define LM80_REG_TEMP                   0x27
+#define LM80_REG_TEMP_HOT_MAX           0x38
+#define LM80_REG_TEMP_HOT_HYST          0x39
+#define LM80_REG_TEMP_OS_MAX            0x3a
+#define LM80_REG_TEMP_OS_HYST           0x3b
+
+#define LM80_REG_CONFIG                 0x00
+#define LM80_REG_ALARM1                 0x01
+#define LM80_REG_ALARM2                 0x02
+#define LM80_REG_MASK1                  0x03
+#define LM80_REG_MASK2                  0x04
+#define LM80_REG_FANDIV                 0x05
+#define LM80_REG_RES                    0x06
+
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+   Fixing this is just not worth it. */
+
+#define IN_TO_REG(val)          (SENSORS_LIMIT(((val)+5)/10,0,255))
+#define IN_FROM_REG(val)        ((val)*10)
+
+static inline unsigned char FAN_TO_REG(unsigned rpm, unsigned div)
+{
+        if (rpm == 0)
+                return 255;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm*div / 2) / (rpm*div), 1, 254);
+}
+
+#define FAN_FROM_REG(val,div)   ((val)==0?-1:\
+                                (val)==255?0:1350000/((div)*(val)))
+
+static inline long TEMP_FROM_REG(u16 temp)
+{
+        long res;
+
+        temp >>= 4;
+        if (temp < 0x0800)
+                res = 625 * (long) temp;
+        else
+                res = ((long) temp - 0x01000) * 625;
+
+        return res / 10;
+}
+
+#define TEMP_LIMIT_FROM_REG(val)        (((val)>0x80?(val)-0x100:(val))*1000)
+
+#define TEMP_LIMIT_TO_REG(val)          SENSORS_LIMIT((val)<0?\
+                                        ((val)-500)/1000:((val)+500)/1000,0,255)
+
+#define DIV_FROM_REG(val)               (1 << (val))
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct lm80_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 in[7];               /* Register value */
+        u8 in_max[7];           /* Register value */
+        u8 in_min[7];           /* Register value */
+        u8 fan[2];              /* Register value */
+        u8 fan_min[2];          /* Register value */
+        u8 fan_div[2];          /* Register encoding, shifted right */
+        u16 temp;               /* Register values, shifted right */
+        u8 temp_hot_max;        /* Register value */
+        u8 temp_hot_hyst;       /* Register value */
+        u8 temp_os_max;         /* Register value */
+        u8 temp_os_hyst;        /* Register value */
+        u16 alarms;             /* Register encoding, combined */
+};
+
+/* 
+ * Functions declaration
+ */
+
+static int lm80_attach_adapter(struct i2c_adapter *adapter);
+static int lm80_detect(struct i2c_adapter *adapter, int address, int kind);
+static void lm80_init_client(struct i2c_client *client);
+static int lm80_detach_client(struct i2c_client *client);
+static struct lm80_data *lm80_update_device(struct device *dev);
+static int lm80_read_value(struct i2c_client *client, u8 reg);
+static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver lm80_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm80",
+        .id             = I2C_DRIVERID_LM80,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm80_attach_adapter,
+        .detach_client  = lm80_detach_client,
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show_in(suffix, value) \
+static ssize_t show_in_##suffix(struct device *dev, char *buf) \
+{ \
+        struct lm80_data *data = lm80_update_device(dev); \
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->value)); \
+}
+show_in(min0, in_min[0]);
+show_in(min1, in_min[1]);
+show_in(min2, in_min[2]);
+show_in(min3, in_min[3]);
+show_in(min4, in_min[4]);
+show_in(min5, in_min[5]);
+show_in(min6, in_min[6]);
+show_in(max0, in_max[0]);
+show_in(max1, in_max[1]);
+show_in(max2, in_max[2]);
+show_in(max3, in_max[3]);
+show_in(max4, in_max[4]);
+show_in(max5, in_max[5]);
+show_in(max6, in_max[6]);
+show_in(input0, in[0]);
+show_in(input1, in[1]);
+show_in(input2, in[2]);
+show_in(input3, in[3]);
+show_in(input4, in[4]);
+show_in(input5, in[5]);
+show_in(input6, in[6]);
+
+#define set_in(suffix, value, reg) \
+static ssize_t set_in_##suffix(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm80_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock);\
+        data->value = IN_TO_REG(val); \
+        lm80_write_value(client, reg, data->value); \
+        up(&data->update_lock);\
+        return count; \
+}
+set_in(min0, in_min[0], LM80_REG_IN_MIN(0));
+set_in(min1, in_min[1], LM80_REG_IN_MIN(1));
+set_in(min2, in_min[2], LM80_REG_IN_MIN(2));
+set_in(min3, in_min[3], LM80_REG_IN_MIN(3));
+set_in(min4, in_min[4], LM80_REG_IN_MIN(4));
+set_in(min5, in_min[5], LM80_REG_IN_MIN(5));
+set_in(min6, in_min[6], LM80_REG_IN_MIN(6));
+set_in(max0, in_max[0], LM80_REG_IN_MAX(0));
+set_in(max1, in_max[1], LM80_REG_IN_MAX(1));
+set_in(max2, in_max[2], LM80_REG_IN_MAX(2));
+set_in(max3, in_max[3], LM80_REG_IN_MAX(3));
+set_in(max4, in_max[4], LM80_REG_IN_MAX(4));
+set_in(max5, in_max[5], LM80_REG_IN_MAX(5));
+set_in(max6, in_max[6], LM80_REG_IN_MAX(6));
+
+#define show_fan(suffix, value, div) \
+static ssize_t show_fan_##suffix(struct device *dev, char *buf) \
+{ \
+        struct lm80_data *data = lm80_update_device(dev); \
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->value, \
+                       DIV_FROM_REG(data->div))); \
+}
+show_fan(min1, fan_min[0], fan_div[0]);
+show_fan(min2, fan_min[1], fan_div[1]);
+show_fan(input1, fan[0], fan_div[0]);
+show_fan(input2, fan[1], fan_div[1]);
+
+#define show_fan_div(suffix, value) \
+static ssize_t show_fan_div##suffix(struct device *dev, char *buf) \
+{ \
+        struct lm80_data *data = lm80_update_device(dev); \
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->value)); \
+}
+show_fan_div(1, fan_div[0]);
+show_fan_div(2, fan_div[1]);
+
+#define set_fan(suffix, value, reg, div) \
+static ssize_t set_fan_##suffix(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm80_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtoul(buf, NULL, 10); \
+ \
+        down(&data->update_lock);\
+        data->value = FAN_TO_REG(val, DIV_FROM_REG(data->div)); \
+        lm80_write_value(client, reg, data->value); \
+        up(&data->update_lock);\
+        return count; \
+}
+set_fan(min1, fan_min[0], LM80_REG_FAN_MIN(1), fan_div[0]);
+set_fan(min2, fan_min[1], LM80_REG_FAN_MIN(2), fan_div[1]);
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm80_data *data = i2c_get_clientdata(client);
+        unsigned long min, val = simple_strtoul(buf, NULL, 10);
+        u8 reg;
+
+        /* Save fan_min */
+        down(&data->update_lock);
+        min = FAN_FROM_REG(data->fan_min[nr],
+                           DIV_FROM_REG(data->fan_div[nr]));
+
+        switch (val) {
+        case 1: data->fan_div[nr] = 0; break;
+        case 2: data->fan_div[nr] = 1; break;
+        case 4: data->fan_div[nr] = 2; break;
+        case 8: data->fan_div[nr] = 3; break;
+        default:
+                dev_err(&client->dev, "fan_div value %ld not "
+                        "supported. Choose one of 1, 2, 4 or 8!\n", val);
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        reg = (lm80_read_value(client, LM80_REG_FANDIV) & ~(3 << (2 * (nr + 1))))
+            | (data->fan_div[nr] << (2 * (nr + 1)));
+        lm80_write_value(client, LM80_REG_FANDIV, reg);
+
+        /* Restore fan_min */
+        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        lm80_write_value(client, LM80_REG_FAN_MIN(nr + 1), data->fan_min[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define set_fan_div(number) \
+static ssize_t set_fan_div##number(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        return set_fan_div(dev, buf, count, number - 1); \
+}
+set_fan_div(1);
+set_fan_div(2);
+
+static ssize_t show_temp_input1(struct device *dev, char *buf)
+{
+        struct lm80_data *data = lm80_update_device(dev);
+        return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp));
+}
+
+#define show_temp(suffix, value) \
+static ssize_t show_temp_##suffix(struct device *dev, char *buf) \
+{ \
+        struct lm80_data *data = lm80_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_LIMIT_FROM_REG(data->value)); \
+}
+show_temp(hot_max, temp_hot_max);
+show_temp(hot_hyst, temp_hot_hyst);
+show_temp(os_max, temp_os_max);
+show_temp(os_hyst, temp_os_hyst);
+
+#define set_temp(suffix, value, reg) \
+static ssize_t set_temp_##suffix(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm80_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtoul(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP_LIMIT_TO_REG(val); \
+        lm80_write_value(client, reg, data->value); \
+        up(&data->update_lock); \
+        return count; \
+}
+set_temp(hot_max, temp_hot_max, LM80_REG_TEMP_HOT_MAX);
+set_temp(hot_hyst, temp_hot_hyst, LM80_REG_TEMP_HOT_HYST);
+set_temp(os_max, temp_os_max, LM80_REG_TEMP_OS_MAX);
+set_temp(os_hyst, temp_os_hyst, LM80_REG_TEMP_OS_HYST);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm80_data *data = lm80_update_device(dev);
+        return sprintf(buf, "%u\n", data->alarms);
+}
+
+static DEVICE_ATTR(in0_min, S_IWUSR | S_IRUGO, show_in_min0, set_in_min0);
+static DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_in_min1, set_in_min1);
+static DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_in_min2, set_in_min2);
+static DEVICE_ATTR(in3_min, S_IWUSR | S_IRUGO, show_in_min3, set_in_min3);
+static DEVICE_ATTR(in4_min, S_IWUSR | S_IRUGO, show_in_min4, set_in_min4);
+static DEVICE_ATTR(in5_min, S_IWUSR | S_IRUGO, show_in_min5, set_in_min5);
+static DEVICE_ATTR(in6_min, S_IWUSR | S_IRUGO, show_in_min6, set_in_min6);
+static DEVICE_ATTR(in0_max, S_IWUSR | S_IRUGO, show_in_max0, set_in_max0);
+static DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_in_max1, set_in_max1);
+static DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_in_max2, set_in_max2);
+static DEVICE_ATTR(in3_max, S_IWUSR | S_IRUGO, show_in_max3, set_in_max3);
+static DEVICE_ATTR(in4_max, S_IWUSR | S_IRUGO, show_in_max4, set_in_max4);
+static DEVICE_ATTR(in5_max, S_IWUSR | S_IRUGO, show_in_max5, set_in_max5);
+static DEVICE_ATTR(in6_max, S_IWUSR | S_IRUGO, show_in_max6, set_in_max6);
+static DEVICE_ATTR(in0_input, S_IRUGO, show_in_input0, NULL);
+static DEVICE_ATTR(in1_input, S_IRUGO, show_in_input1, NULL);
+static DEVICE_ATTR(in2_input, S_IRUGO, show_in_input2, NULL);
+static DEVICE_ATTR(in3_input, S_IRUGO, show_in_input3, NULL);
+static DEVICE_ATTR(in4_input, S_IRUGO, show_in_input4, NULL);
+static DEVICE_ATTR(in5_input, S_IRUGO, show_in_input5, NULL);
+static DEVICE_ATTR(in6_input, S_IRUGO, show_in_input6, NULL);
+static DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min1,
+    set_fan_min1);
+static DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min2,
+    set_fan_min2);
+static DEVICE_ATTR(fan1_input, S_IRUGO, show_fan_input1, NULL);
+static DEVICE_ATTR(fan2_input, S_IRUGO, show_fan_input2, NULL);
+static DEVICE_ATTR(fan1_div, S_IWUSR | S_IRUGO, show_fan_div1, set_fan_div1);
+static DEVICE_ATTR(fan2_div, S_IWUSR | S_IRUGO, show_fan_div2, set_fan_div2);
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_hot_max,
+    set_temp_hot_max);
+static DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp_hot_hyst,
+    set_temp_hot_hyst);
+static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_os_max,
+    set_temp_os_max);
+static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_os_hyst,
+    set_temp_os_hyst);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/*
+ * Real code
+ */
+
+static int lm80_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm80_detect);
+}
+
+int lm80_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i, cur;
+        struct i2c_client *new_client;
+        struct lm80_data *data;
+        int err = 0;
+        const char *name;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access lm80_{read,write}_value. */
+        if (!(data = kmalloc(sizeof(struct lm80_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm80_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm80_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. It is lousy. */
+        if (lm80_read_value(new_client, LM80_REG_ALARM2) & 0xc0)
+                goto error_free;
+        for (i = 0x2a; i <= 0x3d; i++) {
+                cur = i2c_smbus_read_byte_data(new_client, i);
+                if ((i2c_smbus_read_byte_data(new_client, i + 0x40) != cur)
+                 || (i2c_smbus_read_byte_data(new_client, i + 0x80) != cur)
+                 || (i2c_smbus_read_byte_data(new_client, i + 0xc0) != cur))
+                    goto error_free;
+        }
+
+        /* Determine the chip type - only one kind supported! */
+        kind = lm80;
+        name = "lm80";
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto error_free;
+
+        /* Initialize the LM80 chip */
+        lm80_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        data->fan_min[0] = lm80_read_value(new_client, LM80_REG_FAN_MIN(1));
+        data->fan_min[1] = lm80_read_value(new_client, LM80_REG_FAN_MIN(2));
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in5_min);
+        device_create_file(&new_client->dev, &dev_attr_in6_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_in5_max);
+        device_create_file(&new_client->dev, &dev_attr_in6_max);
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in5_input);
+        device_create_file(&new_client->dev, &dev_attr_in6_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+error_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int lm80_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static int lm80_read_value(struct i2c_client *client, u8 reg)
+{
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int lm80_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+/* Called when we have found a new LM80. */
+static void lm80_init_client(struct i2c_client *client)
+{
+        /* Reset all except Watchdog values and last conversion values
+           This sets fan-divs to 2, among others. This makes most other
+           initializations unnecessary */
+        lm80_write_value(client, LM80_REG_CONFIG, 0x80);
+        /* Set 11-bit temperature resolution */
+        lm80_write_value(client, LM80_REG_RES, 0x08);
+
+        /* Start monitoring */
+        lm80_write_value(client, LM80_REG_CONFIG, 0x01);
+}
+
+static struct lm80_data *lm80_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm80_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + 2 * HZ) || !data->valid) {
+                dev_dbg(&client->dev, "Starting lm80 update\n");
+                for (i = 0; i <= 6; i++) {
+                        data->in[i] =
+                            lm80_read_value(client, LM80_REG_IN(i));
+                        data->in_min[i] =
+                            lm80_read_value(client, LM80_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            lm80_read_value(client, LM80_REG_IN_MAX(i));
+                }
+                data->fan[0] = lm80_read_value(client, LM80_REG_FAN1);
+                data->fan_min[0] =
+                    lm80_read_value(client, LM80_REG_FAN_MIN(1));
+                data->fan[1] = lm80_read_value(client, LM80_REG_FAN2);
+                data->fan_min[1] =
+                    lm80_read_value(client, LM80_REG_FAN_MIN(2));
+
+                data->temp =
+                    (lm80_read_value(client, LM80_REG_TEMP) << 8) |
+                    (lm80_read_value(client, LM80_REG_RES) & 0xf0);
+                data->temp_os_max =
+                    lm80_read_value(client, LM80_REG_TEMP_OS_MAX);
+                data->temp_os_hyst =
+                    lm80_read_value(client, LM80_REG_TEMP_OS_HYST);
+                data->temp_hot_max =
+                    lm80_read_value(client, LM80_REG_TEMP_HOT_MAX);
+                data->temp_hot_hyst =
+                    lm80_read_value(client, LM80_REG_TEMP_HOT_HYST);
+
+                i = lm80_read_value(client, LM80_REG_FANDIV);
+                data->fan_div[0] = (i >> 2) & 0x03;
+                data->fan_div[1] = (i >> 4) & 0x03;
+                data->alarms = lm80_read_value(client, LM80_REG_ALARM1) +
+                    (lm80_read_value(client, LM80_REG_ALARM2) << 8);
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm80_init(void)
+{
+        return i2c_add_driver(&lm80_driver);
+}
+
+static void __exit sensors_lm80_exit(void)
+{
+        i2c_del_driver(&lm80_driver);
+}
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
+        "Philip Edelbrock <phil@netroedge.com>");
+MODULE_DESCRIPTION("LM80 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm80_init);
+module_exit(sensors_lm80_exit);
diff --git a/drivers/i2c/chips/lm83.c b/drivers/i2c/chips/lm83.c
new file mode 100644
index 000000000000..3dafe60766ad
--- /dev/null
+++ b/drivers/i2c/chips/lm83.c
@@ -0,0 +1,412 @@
+/*
+ * lm83.c - Part of lm_sensors, Linux kernel modules for hardware
+ *          monitoring
+ * Copyright (C) 2003  Jean Delvare <khali@linux-fr.org>
+ *
+ * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is
+ * a sensor chip made by National Semiconductor. It reports up to four
+ * temperatures (its own plus up to three external ones) with a 1 deg
+ * resolution and a 3-4 deg accuracy. Complete datasheet can be obtained
+ * from National's website at:
+ *   http://www.national.com/pf/LM/LM83.html
+ * Since the datasheet omits to give the chip stepping code, I give it
+ * here: 0x03 (at register 0xff).
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/*
+ * Addresses to scan
+ * Address is selected using 2 three-level pins, resulting in 9 possible
+ * addresses.
+ */
+
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+                                        0x29, 0x2a, 0x2b,
+                                        0x4c, 0x4d, 0x4e,
+                                        I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(lm83);
+
+/*
+ * The LM83 registers
+ * Manufacturer ID is 0x01 for National Semiconductor.
+ */
+
+#define LM83_REG_R_MAN_ID               0xFE
+#define LM83_REG_R_CHIP_ID              0xFF
+#define LM83_REG_R_CONFIG               0x03
+#define LM83_REG_W_CONFIG               0x09
+#define LM83_REG_R_STATUS1              0x02
+#define LM83_REG_R_STATUS2              0x35
+#define LM83_REG_R_LOCAL_TEMP           0x00
+#define LM83_REG_R_LOCAL_HIGH           0x05
+#define LM83_REG_W_LOCAL_HIGH           0x0B
+#define LM83_REG_R_REMOTE1_TEMP         0x30
+#define LM83_REG_R_REMOTE1_HIGH         0x38
+#define LM83_REG_W_REMOTE1_HIGH         0x50
+#define LM83_REG_R_REMOTE2_TEMP         0x01
+#define LM83_REG_R_REMOTE2_HIGH         0x07
+#define LM83_REG_W_REMOTE2_HIGH         0x0D
+#define LM83_REG_R_REMOTE3_TEMP         0x31
+#define LM83_REG_R_REMOTE3_HIGH         0x3A
+#define LM83_REG_W_REMOTE3_HIGH         0x52
+#define LM83_REG_R_TCRIT                0x42
+#define LM83_REG_W_TCRIT                0x5A
+
+/*
+ * Conversions and various macros
+ * The LM83 uses signed 8-bit values with LSB = 1 degree Celcius.
+ */
+
+#define TEMP_FROM_REG(val)      ((val) * 1000)
+#define TEMP_TO_REG(val)        ((val) <= -128000 ? -128 : \
+                                 (val) >= 127000 ? 127 : \
+                                 (val) < 0 ? ((val) - 500) / 1000 : \
+                                 ((val) + 500) / 1000)
+
+static const u8 LM83_REG_R_TEMP[] = {
+        LM83_REG_R_LOCAL_TEMP,
+        LM83_REG_R_REMOTE1_TEMP,
+        LM83_REG_R_REMOTE2_TEMP,
+        LM83_REG_R_REMOTE3_TEMP
+};
+
+static const u8 LM83_REG_R_HIGH[] = {
+        LM83_REG_R_LOCAL_HIGH,
+        LM83_REG_R_REMOTE1_HIGH,
+        LM83_REG_R_REMOTE2_HIGH,
+        LM83_REG_R_REMOTE3_HIGH
+};
+
+static const u8 LM83_REG_W_HIGH[] = {
+        LM83_REG_W_LOCAL_HIGH,
+        LM83_REG_W_REMOTE1_HIGH,
+        LM83_REG_W_REMOTE2_HIGH,
+        LM83_REG_W_REMOTE3_HIGH
+};
+
+/*
+ * Functions declaration
+ */
+
+static int lm83_attach_adapter(struct i2c_adapter *adapter);
+static int lm83_detect(struct i2c_adapter *adapter, int address, int kind);
+static int lm83_detach_client(struct i2c_client *client);
+static struct lm83_data *lm83_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+ 
+static struct i2c_driver lm83_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm83",
+        .id             = I2C_DRIVERID_LM83,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm83_attach_adapter,
+        .detach_client  = lm83_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct lm83_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* registers values */
+        s8 temp_input[4];
+        s8 temp_high[4];
+        s8 temp_crit;
+        u16 alarms; /* bitvector, combined */
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show_temp(suffix, value) \
+static ssize_t show_temp_##suffix(struct device *dev, char *buf) \
+{ \
+        struct lm83_data *data = lm83_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+}
+show_temp(input1, temp_input[0]);
+show_temp(input2, temp_input[1]);
+show_temp(input3, temp_input[2]);
+show_temp(input4, temp_input[3]);
+show_temp(high1, temp_high[0]);
+show_temp(high2, temp_high[1]);
+show_temp(high3, temp_high[2]);
+show_temp(high4, temp_high[3]);
+show_temp(crit, temp_crit);
+
+#define set_temp(suffix, value, reg) \
+static ssize_t set_temp_##suffix(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm83_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, reg, data->value); \
+        up(&data->update_lock); \
+        return count; \
+}
+set_temp(high1, temp_high[0], LM83_REG_W_LOCAL_HIGH);
+set_temp(high2, temp_high[1], LM83_REG_W_REMOTE1_HIGH);
+set_temp(high3, temp_high[2], LM83_REG_W_REMOTE2_HIGH);
+set_temp(high4, temp_high[3], LM83_REG_W_REMOTE3_HIGH);
+set_temp(crit, temp_crit, LM83_REG_W_TCRIT);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm83_data *data = lm83_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL);
+static DEVICE_ATTR(temp3_input, S_IRUGO, show_temp_input3, NULL);
+static DEVICE_ATTR(temp4_input, S_IRUGO, show_temp_input4, NULL);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_high1,
+    set_temp_high1);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2,
+    set_temp_high2);
+static DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_high3,
+    set_temp_high3);
+static DEVICE_ATTR(temp4_max, S_IWUSR | S_IRUGO, show_temp_high4,
+    set_temp_high4);
+static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit, NULL);
+static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit, NULL);
+static DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp_crit,
+    set_temp_crit);
+static DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp_crit, NULL);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/*
+ * Real code
+ */
+
+static int lm83_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm83_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int lm83_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm83_data *data;
+        int err = 0;
+        const char *name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct lm83_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm83_data));
+
+        /* The common I2C client data is placed right after the
+         * LM83-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm83_driver;
+        new_client->flags = 0;
+
+        /* Now we do the detection and identification. A negative kind
+         * means that the driver was loaded with no force parameter
+         * (default), so we must both detect and identify the chip
+         * (actually there is only one possible kind of chip for now, LM83).
+         * A zero kind means that the driver was loaded with the force
+         * parameter, the detection step shall be skipped. A positive kind
+         * means that the driver was loaded with the force parameter and a
+         * given kind of chip is requested, so both the detection and the
+         * identification steps are skipped. */
+
+        /* Default to an LM83 if forced */
+        if (kind == 0)
+                kind = lm83;
+
+        if (kind < 0) { /* detection */
+                if (((i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS1)
+                    & 0xA8) != 0x00) ||
+                    ((i2c_smbus_read_byte_data(new_client, LM83_REG_R_STATUS2)
+                    & 0x48) != 0x00) ||
+                    ((i2c_smbus_read_byte_data(new_client, LM83_REG_R_CONFIG)
+                    & 0x41) != 0x00)) {
+                        dev_dbg(&adapter->dev,
+                            "LM83 detection failed at 0x%02x.\n", address);
+                        goto exit_free;
+                }
+        }
+
+        if (kind <= 0) { /* identification */
+                u8 man_id, chip_id;
+
+                man_id = i2c_smbus_read_byte_data(new_client,
+                    LM83_REG_R_MAN_ID);
+                chip_id = i2c_smbus_read_byte_data(new_client,
+                    LM83_REG_R_CHIP_ID);
+
+                if (man_id == 0x01) { /* National Semiconductor */
+                        if (chip_id == 0x03) {
+                                kind = lm83;
+                        }
+                }
+
+                if (kind <= 0) { /* identification failed */
+                        dev_info(&adapter->dev,
+                            "Unsupported chip (man_id=0x%02X, "
+                            "chip_id=0x%02X).\n", man_id, chip_id);
+                        goto exit_free;
+                }
+        }
+
+        if (kind == lm83) {
+                name = "lm83";
+        }
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /*
+         * Initialize the LM83 chip
+         * (Nothing to do for this one.)
+         */
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp4_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max);
+        device_create_file(&new_client->dev, &dev_attr_temp4_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp4_crit);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int lm83_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                    "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct lm83_data *lm83_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm83_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+                int nr;
+
+                dev_dbg(&client->dev, "Updating lm83 data.\n");
+                for (nr = 0; nr < 4 ; nr++) {
+                        data->temp_input[nr] =
+                            i2c_smbus_read_byte_data(client,
+                            LM83_REG_R_TEMP[nr]);
+                        data->temp_high[nr] =
+                            i2c_smbus_read_byte_data(client,
+                            LM83_REG_R_HIGH[nr]);
+                }
+                data->temp_crit =
+                    i2c_smbus_read_byte_data(client, LM83_REG_R_TCRIT);
+                data->alarms =
+                    i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS1)
+                    + (i2c_smbus_read_byte_data(client, LM83_REG_R_STATUS2)
+                    << 8);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm83_init(void)
+{
+        return i2c_add_driver(&lm83_driver);
+}
+
+static void __exit sensors_lm83_exit(void)
+{
+        i2c_del_driver(&lm83_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("LM83 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm83_init);
+module_exit(sensors_lm83_exit);
diff --git a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c
new file mode 100644
index 000000000000..b1a0dc5f6b34
--- /dev/null
+++ b/drivers/i2c/chips/lm85.c
@@ -0,0 +1,1578 @@
+/*
+    lm85.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> 
+    Copyright (c) 2002, 2003  Philip Pokorny <ppokorny@penguincomputing.com>
+    Copyright (c) 2003        Margit Schubert-While <margitsw@t-online.de>
+    Copyright (c) 2004        Justin Thiessen <jthiessen@penguincomputing.com>
+
+    Chip details at           <http://www.national.com/ds/LM/LM85.pdf>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_6(lm85b, lm85c, adm1027, adt7463, emc6d100, emc6d102);
+
+/* The LM85 registers */
+
+#define LM85_REG_IN(nr)                 (0x20 + (nr))
+#define LM85_REG_IN_MIN(nr)             (0x44 + (nr) * 2)
+#define LM85_REG_IN_MAX(nr)             (0x45 + (nr) * 2)
+
+#define LM85_REG_TEMP(nr)               (0x25 + (nr))
+#define LM85_REG_TEMP_MIN(nr)           (0x4e + (nr) * 2)
+#define LM85_REG_TEMP_MAX(nr)           (0x4f + (nr) * 2)
+
+/* Fan speeds are LSB, MSB (2 bytes) */
+#define LM85_REG_FAN(nr)                (0x28 + (nr) *2)
+#define LM85_REG_FAN_MIN(nr)            (0x54 + (nr) *2)
+
+#define LM85_REG_PWM(nr)                (0x30 + (nr))
+
+#define ADT7463_REG_OPPOINT(nr)         (0x33 + (nr))
+
+#define ADT7463_REG_TMIN_CTL1           0x36
+#define ADT7463_REG_TMIN_CTL2           0x37
+
+#define LM85_REG_DEVICE                 0x3d
+#define LM85_REG_COMPANY                0x3e
+#define LM85_REG_VERSTEP                0x3f
+/* These are the recognized values for the above regs */
+#define LM85_DEVICE_ADX                 0x27
+#define LM85_COMPANY_NATIONAL           0x01
+#define LM85_COMPANY_ANALOG_DEV         0x41
+#define LM85_COMPANY_SMSC               0x5c
+#define LM85_VERSTEP_VMASK              0xf0
+#define LM85_VERSTEP_GENERIC            0x60
+#define LM85_VERSTEP_LM85C              0x60
+#define LM85_VERSTEP_LM85B              0x62
+#define LM85_VERSTEP_ADM1027            0x60
+#define LM85_VERSTEP_ADT7463            0x62
+#define LM85_VERSTEP_ADT7463C           0x6A
+#define LM85_VERSTEP_EMC6D100_A0        0x60
+#define LM85_VERSTEP_EMC6D100_A1        0x61
+#define LM85_VERSTEP_EMC6D102           0x65
+
+#define LM85_REG_CONFIG                 0x40
+
+#define LM85_REG_ALARM1                 0x41
+#define LM85_REG_ALARM2                 0x42
+
+#define LM85_REG_VID                    0x43
+
+/* Automated FAN control */
+#define LM85_REG_AFAN_CONFIG(nr)        (0x5c + (nr))
+#define LM85_REG_AFAN_RANGE(nr)         (0x5f + (nr))
+#define LM85_REG_AFAN_SPIKE1            0x62
+#define LM85_REG_AFAN_SPIKE2            0x63
+#define LM85_REG_AFAN_MINPWM(nr)        (0x64 + (nr))
+#define LM85_REG_AFAN_LIMIT(nr)         (0x67 + (nr))
+#define LM85_REG_AFAN_CRITICAL(nr)      (0x6a + (nr))
+#define LM85_REG_AFAN_HYST1             0x6d
+#define LM85_REG_AFAN_HYST2             0x6e
+
+#define LM85_REG_TACH_MODE              0x74
+#define LM85_REG_SPINUP_CTL             0x75
+
+#define ADM1027_REG_TEMP_OFFSET(nr)     (0x70 + (nr))
+#define ADM1027_REG_CONFIG2             0x73
+#define ADM1027_REG_INTMASK1            0x74
+#define ADM1027_REG_INTMASK2            0x75
+#define ADM1027_REG_EXTEND_ADC1         0x76
+#define ADM1027_REG_EXTEND_ADC2         0x77
+#define ADM1027_REG_CONFIG3             0x78
+#define ADM1027_REG_FAN_PPR             0x7b
+
+#define ADT7463_REG_THERM               0x79
+#define ADT7463_REG_THERM_LIMIT         0x7A
+
+#define EMC6D100_REG_ALARM3             0x7d
+/* IN5, IN6 and IN7 */
+#define EMC6D100_REG_IN(nr)             (0x70 + ((nr)-5))
+#define EMC6D100_REG_IN_MIN(nr)         (0x73 + ((nr)-5) * 2)
+#define EMC6D100_REG_IN_MAX(nr)         (0x74 + ((nr)-5) * 2)
+#define EMC6D102_REG_EXTEND_ADC1        0x85
+#define EMC6D102_REG_EXTEND_ADC2        0x86
+#define EMC6D102_REG_EXTEND_ADC3        0x87
+#define EMC6D102_REG_EXTEND_ADC4        0x88
+
+#define LM85_ALARM_IN0                  0x0001
+#define LM85_ALARM_IN1                  0x0002
+#define LM85_ALARM_IN2                  0x0004
+#define LM85_ALARM_IN3                  0x0008
+#define LM85_ALARM_TEMP1                0x0010
+#define LM85_ALARM_TEMP2                0x0020
+#define LM85_ALARM_TEMP3                0x0040
+#define LM85_ALARM_ALARM2               0x0080
+#define LM85_ALARM_IN4                  0x0100
+#define LM85_ALARM_RESERVED             0x0200
+#define LM85_ALARM_FAN1                 0x0400
+#define LM85_ALARM_FAN2                 0x0800
+#define LM85_ALARM_FAN3                 0x1000
+#define LM85_ALARM_FAN4                 0x2000
+#define LM85_ALARM_TEMP1_FAULT          0x4000
+#define LM85_ALARM_TEMP3_FAULT          0x8000
+
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG 
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+ */
+
+/* IN are scaled acording to built-in resistors */
+static int lm85_scaling[] = {  /* .001 Volts */
+                2500, 2250, 3300, 5000, 12000,
+                3300, 1500, 1800 /*EMC6D100*/
+        };
+#define SCALE(val,from,to)              (((val)*(to) + ((from)/2))/(from))
+
+#define INS_TO_REG(n,val)       \
+                SENSORS_LIMIT(SCALE(val,lm85_scaling[n],192),0,255)
+
+#define INSEXT_FROM_REG(n,val,ext,scale)        \
+                SCALE((val)*(scale) + (ext),192*(scale),lm85_scaling[n])
+
+#define INS_FROM_REG(n,val)   INSEXT_FROM_REG(n,val,0,1)
+
+/* FAN speed is measured using 90kHz clock */
+#define FAN_TO_REG(val)         (SENSORS_LIMIT( (val)<=0?0: 5400000/(val),0,65534))
+#define FAN_FROM_REG(val)       ((val)==0?-1:(val)==0xffff?0:5400000/(val))
+
+/* Temperature is reported in .001 degC increments */
+#define TEMP_TO_REG(val)        \
+                SENSORS_LIMIT(SCALE(val,1000,1),-127,127)
+#define TEMPEXT_FROM_REG(val,ext,scale) \
+                SCALE((val)*scale + (ext),scale,1000)
+#define TEMP_FROM_REG(val)      \
+                TEMPEXT_FROM_REG(val,0,1)
+
+#define PWM_TO_REG(val)                 (SENSORS_LIMIT(val,0,255))
+#define PWM_FROM_REG(val)               (val)
+
+
+/* ZONEs have the following parameters:
+ *    Limit (low) temp,           1. degC
+ *    Hysteresis (below limit),   1. degC (0-15)
+ *    Range of speed control,     .1 degC (2-80)
+ *    Critical (high) temp,       1. degC
+ *
+ * FAN PWMs have the following parameters:
+ *    Reference Zone,                 1, 2, 3, etc.
+ *    Spinup time,                    .05 sec
+ *    PWM value at limit/low temp,    1 count
+ *    PWM Frequency,                  1. Hz
+ *    PWM is Min or OFF below limit,  flag
+ *    Invert PWM output,              flag
+ *
+ * Some chips filter the temp, others the fan.
+ *    Filter constant (or disabled)   .1 seconds
+ */
+
+/* These are the zone temperature range encodings in .001 degree C */
+static int lm85_range_map[] = {   
+                2000,  2500,  3300,  4000,  5000,  6600,
+                8000, 10000, 13300, 16000, 20000, 26600,
+                32000, 40000, 53300, 80000
+        };
+static int RANGE_TO_REG( int range )
+{
+        int i;
+
+        if ( range < lm85_range_map[0] ) { 
+                return 0 ;
+        } else if ( range > lm85_range_map[15] ) {
+                return 15 ;
+        } else {  /* find closest match */
+                for ( i = 14 ; i >= 0 ; --i ) {
+                        if ( range > lm85_range_map[i] ) { /* range bracketed */
+                                if ((lm85_range_map[i+1] - range) < 
+                                        (range - lm85_range_map[i])) {
+                                        i++;
+                                        break;
+                                }
+                                break;
+                        }
+                }
+        }
+        return( i & 0x0f );
+}
+#define RANGE_FROM_REG(val) (lm85_range_map[(val)&0x0f])
+
+/* These are the Acoustic Enhancement, or Temperature smoothing encodings
+ * NOTE: The enable/disable bit is INCLUDED in these encodings as the
+ *       MSB (bit 3, value 8).  If the enable bit is 0, the encoded value
+ *       is ignored, or set to 0.
+ */
+/* These are the PWM frequency encodings */
+static int lm85_freq_map[] = { /* .1 Hz */
+                100, 150, 230, 300, 380, 470, 620, 940
+        };
+static int FREQ_TO_REG( int freq )
+{
+        int i;
+
+        if( freq >= lm85_freq_map[7] ) { return 7 ; }
+        for( i = 0 ; i < 7 ; ++i )
+                if( freq <= lm85_freq_map[i] )
+                        break ;
+        return( i & 0x07 );
+}
+#define FREQ_FROM_REG(val) (lm85_freq_map[(val)&0x07])
+
+/* Since we can't use strings, I'm abusing these numbers
+ *   to stand in for the following meanings:
+ *      1 -- PWM responds to Zone 1
+ *      2 -- PWM responds to Zone 2
+ *      3 -- PWM responds to Zone 3
+ *     23 -- PWM responds to the higher temp of Zone 2 or 3
+ *    123 -- PWM responds to highest of Zone 1, 2, or 3
+ *      0 -- PWM is always at 0% (ie, off)
+ *     -1 -- PWM is always at 100%
+ *     -2 -- PWM responds to manual control
+ */
+
+static int lm85_zone_map[] = { 1, 2, 3, -1, 0, 23, 123, -2 };
+#define ZONE_FROM_REG(val) (lm85_zone_map[((val)>>5)&0x07])
+
+static int ZONE_TO_REG( int zone )
+{
+        int i;
+
+        for( i = 0 ; i <= 7 ; ++i )
+                if( zone == lm85_zone_map[i] )
+                        break ;
+        if( i > 7 )   /* Not found. */
+                i = 3;  /* Always 100% */
+        return( (i & 0x07)<<5 );
+}
+
+#define HYST_TO_REG(val) (SENSORS_LIMIT(((val)+500)/1000,0,15))
+#define HYST_FROM_REG(val) ((val)*1000)
+
+#define OFFSET_TO_REG(val) (SENSORS_LIMIT((val)/25,-127,127))
+#define OFFSET_FROM_REG(val) ((val)*25)
+
+#define PPR_MASK(fan) (0x03<<(fan *2))
+#define PPR_TO_REG(val,fan) (SENSORS_LIMIT((val)-1,0,3)<<(fan *2))
+#define PPR_FROM_REG(val,fan) ((((val)>>(fan * 2))&0x03)+1)
+
+/* i2c-vid.h defines vid_from_reg() */
+#define VID_FROM_REG(val,vrm) (vid_from_reg((val),(vrm)))
+
+#define ALARMS_FROM_REG(val) (val)
+
+/* Unlike some other drivers we DO NOT set initial limits.  Use
+ * the config file to set limits.  Some users have reported
+ * motherboards shutting down when we set limits in a previous
+ * version of the driver.
+ */
+
+/* Chip sampling rates
+ *
+ * Some sensors are not updated more frequently than once per second
+ *    so it doesn't make sense to read them more often than that.
+ *    We cache the results and return the saved data if the driver
+ *    is called again before a second has elapsed.
+ *
+ * Also, there is significant configuration data for this chip
+ *    given the automatic PWM fan control that is possible.  There
+ *    are about 47 bytes of config data to only 22 bytes of actual
+ *    readings.  So, we keep the config data up to date in the cache
+ *    when it is written and only sample it once every 1 *minute*
+ */
+#define LM85_DATA_INTERVAL  (HZ + HZ / 2)
+#define LM85_CONFIG_INTERVAL  (1 * 60 * HZ)
+
+/* For each registered LM85, we need to keep some data in memory. That
+   data is pointed to by lm85_list[NR]->data. The structure itself is
+   dynamically allocated, at the same time when a new lm85 client is
+   allocated. */
+
+/* LM85 can automatically adjust fan speeds based on temperature
+ * This structure encapsulates an entire Zone config.  There are
+ * three zones (one for each temperature input) on the lm85
+ */
+struct lm85_zone {
+        s8 limit;       /* Low temp limit */
+        u8 hyst;        /* Low limit hysteresis. (0-15) */
+        u8 range;       /* Temp range, encoded */
+        s8 critical;    /* "All fans ON" temp limit */
+        u8 off_desired; /* Actual "off" temperature specified.  Preserved 
+                         * to prevent "drift" as other autofan control
+                         * values change.
+                         */
+        u8 max_desired; /* Actual "max" temperature specified.  Preserved 
+                         * to prevent "drift" as other autofan control
+                         * values change.
+                         */
+};
+
+struct lm85_autofan {
+        u8 config;      /* Register value */
+        u8 freq;        /* PWM frequency, encoded */
+        u8 min_pwm;     /* Minimum PWM value, encoded */
+        u8 min_off;     /* Min PWM or OFF below "limit", flag */
+};
+
+struct lm85_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        int valid;              /* !=0 if following fields are valid */
+        unsigned long last_reading;     /* In jiffies */
+        unsigned long last_config;      /* In jiffies */
+
+        u8 in[8];               /* Register value */
+        u8 in_max[8];           /* Register value */
+        u8 in_min[8];           /* Register value */
+        s8 temp[3];             /* Register value */
+        s8 temp_min[3];         /* Register value */
+        s8 temp_max[3];         /* Register value */
+        s8 temp_offset[3];      /* Register value */
+        u16 fan[4];             /* Register value */
+        u16 fan_min[4];         /* Register value */
+        u8 pwm[3];              /* Register value */
+        u8 spinup_ctl;          /* Register encoding, combined */
+        u8 tach_mode;           /* Register encoding, combined */
+        u8 temp_ext[3];         /* Decoded values */
+        u8 in_ext[8];           /* Decoded values */
+        u8 adc_scale;           /* ADC Extended bits scaling factor */
+        u8 fan_ppr;             /* Register value */
+        u8 smooth[3];           /* Register encoding */
+        u8 vid;                 /* Register value */
+        u8 vrm;                 /* VRM version */
+        u8 syncpwm3;            /* Saved PWM3 for TACH 2,3,4 config */
+        u8 oppoint[3];          /* Register value */
+        u16 tmin_ctl;           /* Register value */
+        unsigned long therm_total; /* Cummulative therm count */
+        u8 therm_limit;         /* Register value */
+        u32 alarms;             /* Register encoding, combined */
+        struct lm85_autofan autofan[3];
+        struct lm85_zone zone[3];
+};
+
+static int lm85_attach_adapter(struct i2c_adapter *adapter);
+static int lm85_detect(struct i2c_adapter *adapter, int address,
+                        int kind);
+static int lm85_detach_client(struct i2c_client *client);
+
+static int lm85_read_value(struct i2c_client *client, u8 register);
+static int lm85_write_value(struct i2c_client *client, u8 register, int value);
+static struct lm85_data *lm85_update_device(struct device *dev);
+static void lm85_init_client(struct i2c_client *client);
+
+
+static struct i2c_driver lm85_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm85",
+        .id             = I2C_DRIVERID_LM85,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm85_attach_adapter,
+        .detach_client  = lm85_detach_client,
+};
+
+
+/* 4 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr]) );
+}
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr]) );
+}
+static ssize_t set_fan_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val);
+        lm85_write_value(client, LM85_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_fan_offset(offset)                                         \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset,     \
+                NULL);                                                  \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_min, set_fan_##offset##_min);
+
+show_fan_offset(1);
+show_fan_offset(2);
+show_fan_offset(3);
+show_fan_offset(4);
+
+/* vid, vrm, alarms */
+
+static ssize_t show_vid_reg(struct device *dev, char *buf)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+}
+
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+
+static ssize_t show_vrm_reg(struct device *dev, char *buf)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->vrm);
+}
+
+static ssize_t store_vrm_reg(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+        data->vrm = val;
+        return count;
+}
+
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+
+static ssize_t show_alarms_reg(struct device *dev, char *buf)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms));
+}
+
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
+
+/* pwm */
+
+static ssize_t show_pwm(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm[nr]) );
+}
+static ssize_t set_pwm(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->pwm[nr] = PWM_TO_REG(val);
+        lm85_write_value(client, LM85_REG_PWM(nr), data->pwm[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_pwm_enable(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        int     pwm_zone;
+
+        pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
+        return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) );
+}
+
+#define show_pwm_reg(offset)                                            \
+static ssize_t show_pwm_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_pwm(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t set_pwm_##offset (struct device *dev,                    \
+                                 const char *buf, size_t count)         \
+{                                                                       \
+        return set_pwm(dev, buf, count, offset - 1);                    \
+}                                                                       \
+static ssize_t show_pwm_enable##offset (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_pwm_enable(dev, buf, offset - 1);                   \
+}                                                                       \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,                      \
+                show_pwm_##offset, set_pwm_##offset);                   \
+static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO,                       \
+                show_pwm_enable##offset, NULL);
+
+show_pwm_reg(1);
+show_pwm_reg(2);
+show_pwm_reg(3);
+
+/* Voltages */
+
+static ssize_t show_in(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf( buf, "%d\n", INSEXT_FROM_REG(nr,
+                                                     data->in[nr],
+                                                     data->in_ext[nr],
+                                                     data->adc_scale) );
+}
+static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_min[nr]) );
+}
+static ssize_t set_in_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = INS_TO_REG(nr, val);
+        lm85_write_value(client, LM85_REG_IN_MIN(nr), data->in_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", INS_FROM_REG(nr, data->in_max[nr]) );
+}
+static ssize_t set_in_max(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = INS_TO_REG(nr, val);
+        lm85_write_value(client, LM85_REG_IN_MAX(nr), data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define show_in_reg(offset)                                             \
+static ssize_t show_in_##offset (struct device *dev, char *buf)         \
+{                                                                       \
+        return show_in(dev, buf, offset);                               \
+}                                                                       \
+static ssize_t show_in_##offset##_min (struct device *dev, char *buf)   \
+{                                                                       \
+        return show_in_min(dev, buf, offset);                           \
+}                                                                       \
+static ssize_t show_in_##offset##_max (struct device *dev, char *buf)   \
+{                                                                       \
+        return show_in_max(dev, buf, offset);                           \
+}                                                                       \
+static ssize_t set_in_##offset##_min (struct device *dev,               \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_in_min(dev, buf, count, offset);                     \
+}                                                                       \
+static ssize_t set_in_##offset##_max (struct device *dev,               \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_in_max(dev, buf, count, offset);                     \
+}                                                                       \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in_##offset,       \
+                NULL);                                                  \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,                 \
+                show_in_##offset##_min, set_in_##offset##_min);         \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,                 \
+                show_in_##offset##_max, set_in_##offset##_max);
+
+show_in_reg(0);
+show_in_reg(1);
+show_in_reg(2);
+show_in_reg(3);
+show_in_reg(4);
+
+/* Temps */
+
+static ssize_t show_temp(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMPEXT_FROM_REG(data->temp[nr],
+                                                    data->temp_ext[nr],
+                                                    data->adc_scale) );
+}
+static ssize_t show_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_min[nr]) );
+}
+static ssize_t set_temp_min(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_min[nr] = TEMP_TO_REG(val);
+        lm85_write_value(client, LM85_REG_TEMP_MIN(nr), data->temp_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->temp_max[nr]) );
+}
+static ssize_t set_temp_max(struct device *dev, const char *buf, 
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);        
+
+        down(&data->update_lock);
+        data->temp_max[nr] = TEMP_TO_REG(val);
+        lm85_write_value(client, LM85_REG_TEMP_MAX(nr), data->temp_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define show_temp_reg(offset)                                           \
+static ssize_t show_temp_##offset (struct device *dev, char *buf)       \
+{                                                                       \
+        return show_temp(dev, buf, offset - 1);                         \
+}                                                                       \
+static ssize_t show_temp_##offset##_min (struct device *dev, char *buf) \
+{                                                                       \
+        return show_temp_min(dev, buf, offset - 1);                     \
+}                                                                       \
+static ssize_t show_temp_##offset##_max (struct device *dev, char *buf) \
+{                                                                       \
+        return show_temp_max(dev, buf, offset - 1);                     \
+}                                                                       \
+static ssize_t set_temp_##offset##_min (struct device *dev,             \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_min(dev, buf, count, offset - 1);               \
+}                                                                       \
+static ssize_t set_temp_##offset##_max (struct device *dev,             \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_max(dev, buf, count, offset - 1);               \
+}                                                                       \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset,   \
+                NULL);                                                  \
+static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR,               \
+                show_temp_##offset##_min, set_temp_##offset##_min);     \
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,               \
+                show_temp_##offset##_max, set_temp_##offset##_max);
+
+show_temp_reg(1);
+show_temp_reg(2);
+show_temp_reg(3);
+
+
+/* Automatic PWM control */
+
+static ssize_t show_pwm_auto_channels(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", ZONE_FROM_REG(data->autofan[nr].config));
+}
+static ssize_t set_pwm_auto_channels(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);   
+
+        down(&data->update_lock);
+        data->autofan[nr].config = (data->autofan[nr].config & (~0xe0))
+                | ZONE_TO_REG(val) ;
+        lm85_write_value(client, LM85_REG_AFAN_CONFIG(nr),
+                data->autofan[nr].config);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_pwm_auto_pwm_min(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", PWM_FROM_REG(data->autofan[nr].min_pwm));
+}
+static ssize_t set_pwm_auto_pwm_min(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->autofan[nr].min_pwm = PWM_TO_REG(val);
+        lm85_write_value(client, LM85_REG_AFAN_MINPWM(nr),
+                data->autofan[nr].min_pwm);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_pwm_auto_pwm_minctl(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", data->autofan[nr].min_off);
+}
+static ssize_t set_pwm_auto_pwm_minctl(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->autofan[nr].min_off = val;
+        lm85_write_value(client, LM85_REG_AFAN_SPIKE1, data->smooth[0]
+                | data->syncpwm3
+                | (data->autofan[0].min_off ? 0x20 : 0)
+                | (data->autofan[1].min_off ? 0x40 : 0)
+                | (data->autofan[2].min_off ? 0x80 : 0)
+        );
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_pwm_auto_pwm_freq(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", FREQ_FROM_REG(data->autofan[nr].freq));
+}
+static ssize_t set_pwm_auto_pwm_freq(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->autofan[nr].freq = FREQ_TO_REG(val);
+        lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
+                (data->zone[nr].range << 4)
+                | data->autofan[nr].freq
+        ); 
+        up(&data->update_lock);
+        return count;
+}
+#define pwm_auto(offset)                                                \
+static ssize_t show_pwm##offset##_auto_channels (struct device *dev,    \
+        char *buf)                                                      \
+{                                                                       \
+        return show_pwm_auto_channels(dev, buf, offset - 1);            \
+}                                                                       \
+static ssize_t set_pwm##offset##_auto_channels (struct device *dev,     \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_pwm_auto_channels(dev, buf, count, offset - 1);      \
+}                                                                       \
+static ssize_t show_pwm##offset##_auto_pwm_min (struct device *dev,     \
+        char *buf)                                                      \
+{                                                                       \
+        return show_pwm_auto_pwm_min(dev, buf, offset - 1);             \
+}                                                                       \
+static ssize_t set_pwm##offset##_auto_pwm_min (struct device *dev,      \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_pwm_auto_pwm_min(dev, buf, count, offset - 1);       \
+}                                                                       \
+static ssize_t show_pwm##offset##_auto_pwm_minctl (struct device *dev,  \
+        char *buf)                                                      \
+{                                                                       \
+        return show_pwm_auto_pwm_minctl(dev, buf, offset - 1);          \
+}                                                                       \
+static ssize_t set_pwm##offset##_auto_pwm_minctl (struct device *dev,   \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_pwm_auto_pwm_minctl(dev, buf, count, offset - 1);    \
+}                                                                       \
+static ssize_t show_pwm##offset##_auto_pwm_freq (struct device *dev,    \
+        char *buf)                                                      \
+{                                                                       \
+        return show_pwm_auto_pwm_freq(dev, buf, offset - 1);            \
+}                                                                       \
+static ssize_t set_pwm##offset##_auto_pwm_freq(struct device *dev,      \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_pwm_auto_pwm_freq(dev, buf, count, offset - 1);      \
+}                                                                       \
+static DEVICE_ATTR(pwm##offset##_auto_channels, S_IRUGO | S_IWUSR,      \
+                show_pwm##offset##_auto_channels,                       \
+                set_pwm##offset##_auto_channels);                       \
+static DEVICE_ATTR(pwm##offset##_auto_pwm_min, S_IRUGO | S_IWUSR,       \
+                show_pwm##offset##_auto_pwm_min,                        \
+                set_pwm##offset##_auto_pwm_min);                        \
+static DEVICE_ATTR(pwm##offset##_auto_pwm_minctl, S_IRUGO | S_IWUSR,    \
+                show_pwm##offset##_auto_pwm_minctl,                     \
+                set_pwm##offset##_auto_pwm_minctl);                     \
+static DEVICE_ATTR(pwm##offset##_auto_pwm_freq, S_IRUGO | S_IWUSR,      \
+                show_pwm##offset##_auto_pwm_freq,                       \
+                set_pwm##offset##_auto_pwm_freq);              
+pwm_auto(1);
+pwm_auto(2);
+pwm_auto(3);
+
+/* Temperature settings for automatic PWM control */
+
+static ssize_t show_temp_auto_temp_off(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) -
+                HYST_FROM_REG(data->zone[nr].hyst));
+}
+static ssize_t set_temp_auto_temp_off(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        int min;
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        min = TEMP_FROM_REG(data->zone[nr].limit);
+        data->zone[nr].off_desired = TEMP_TO_REG(val);
+        data->zone[nr].hyst = HYST_TO_REG(min - val);
+        if ( nr == 0 || nr == 1 ) {
+                lm85_write_value(client, LM85_REG_AFAN_HYST1,
+                        (data->zone[0].hyst << 4)
+                        | data->zone[1].hyst
+                        );
+        } else {
+                lm85_write_value(client, LM85_REG_AFAN_HYST2,
+                        (data->zone[2].hyst << 4)
+                );
+        }
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_temp_auto_temp_min(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) );
+}
+static ssize_t set_temp_auto_temp_min(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->zone[nr].limit = TEMP_TO_REG(val);
+        lm85_write_value(client, LM85_REG_AFAN_LIMIT(nr),
+                data->zone[nr].limit);
+
+/* Update temp_auto_max and temp_auto_range */
+        data->zone[nr].range = RANGE_TO_REG(
+                TEMP_FROM_REG(data->zone[nr].max_desired) -
+                TEMP_FROM_REG(data->zone[nr].limit));
+        lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
+                ((data->zone[nr].range & 0x0f) << 4)
+                | (data->autofan[nr].freq & 0x07));
+
+/* Update temp_auto_hyst and temp_auto_off */
+        data->zone[nr].hyst = HYST_TO_REG(TEMP_FROM_REG(
+                data->zone[nr].limit) - TEMP_FROM_REG(
+                data->zone[nr].off_desired));
+        if ( nr == 0 || nr == 1 ) {
+                lm85_write_value(client, LM85_REG_AFAN_HYST1,
+                        (data->zone[0].hyst << 4)
+                        | data->zone[1].hyst
+                        );
+        } else {
+                lm85_write_value(client, LM85_REG_AFAN_HYST2,
+                        (data->zone[2].hyst << 4)
+                );
+        }
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_temp_auto_temp_max(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].limit) +
+                RANGE_FROM_REG(data->zone[nr].range));
+}
+static ssize_t set_temp_auto_temp_max(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        int min;
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        min = TEMP_FROM_REG(data->zone[nr].limit);
+        data->zone[nr].max_desired = TEMP_TO_REG(val);
+        data->zone[nr].range = RANGE_TO_REG(
+                val - min);
+        lm85_write_value(client, LM85_REG_AFAN_RANGE(nr),
+                ((data->zone[nr].range & 0x0f) << 4)
+                | (data->autofan[nr].freq & 0x07));
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t show_temp_auto_temp_crit(struct device *dev, char *buf, int nr)
+{
+        struct lm85_data *data = lm85_update_device(dev);
+        return sprintf(buf,"%d\n", TEMP_FROM_REG(data->zone[nr].critical));
+}
+static ssize_t set_temp_auto_temp_crit(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->zone[nr].critical = TEMP_TO_REG(val);
+        lm85_write_value(client, LM85_REG_AFAN_CRITICAL(nr),
+                data->zone[nr].critical);
+        up(&data->update_lock);
+        return count;
+}
+#define temp_auto(offset)                                               \
+static ssize_t show_temp##offset##_auto_temp_off (struct device *dev,   \
+        char *buf)                                                      \
+{                                                                       \
+        return show_temp_auto_temp_off(dev, buf, offset - 1);           \
+}                                                                       \
+static ssize_t set_temp##offset##_auto_temp_off (struct device *dev,    \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_auto_temp_off(dev, buf, count, offset - 1);     \
+}                                                                       \
+static ssize_t show_temp##offset##_auto_temp_min (struct device *dev,   \
+        char *buf)                                                      \
+{                                                                       \
+        return show_temp_auto_temp_min(dev, buf, offset - 1);           \
+}                                                                       \
+static ssize_t set_temp##offset##_auto_temp_min (struct device *dev,    \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_auto_temp_min(dev, buf, count, offset - 1);     \
+}                                                                       \
+static ssize_t show_temp##offset##_auto_temp_max (struct device *dev,   \
+        char *buf)                                                      \
+{                                                                       \
+        return show_temp_auto_temp_max(dev, buf, offset - 1);           \
+}                                                                       \
+static ssize_t set_temp##offset##_auto_temp_max (struct device *dev,    \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_auto_temp_max(dev, buf, count, offset - 1);     \
+}                                                                       \
+static ssize_t show_temp##offset##_auto_temp_crit (struct device *dev,  \
+        char *buf)                                                      \
+{                                                                       \
+        return show_temp_auto_temp_crit(dev, buf, offset - 1);          \
+}                                                                       \
+static ssize_t set_temp##offset##_auto_temp_crit (struct device *dev,   \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_temp_auto_temp_crit(dev, buf, count, offset - 1);    \
+}                                                                       \
+static DEVICE_ATTR(temp##offset##_auto_temp_off, S_IRUGO | S_IWUSR,     \
+                show_temp##offset##_auto_temp_off,                      \
+                set_temp##offset##_auto_temp_off);                      \
+static DEVICE_ATTR(temp##offset##_auto_temp_min, S_IRUGO | S_IWUSR,     \
+                show_temp##offset##_auto_temp_min,                      \
+                set_temp##offset##_auto_temp_min);                      \
+static DEVICE_ATTR(temp##offset##_auto_temp_max, S_IRUGO | S_IWUSR,     \
+                show_temp##offset##_auto_temp_max,                      \
+                set_temp##offset##_auto_temp_max);                      \
+static DEVICE_ATTR(temp##offset##_auto_temp_crit, S_IRUGO | S_IWUSR,    \
+                show_temp##offset##_auto_temp_crit,                     \
+                set_temp##offset##_auto_temp_crit);
+temp_auto(1);
+temp_auto(2);
+temp_auto(3);
+
+int lm85_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm85_detect);
+}
+
+int lm85_detect(struct i2c_adapter *adapter, int address,
+                int kind)
+{
+        int company, verstep ;
+        struct i2c_client *new_client = NULL;
+        struct lm85_data *data;
+        int err = 0;
+        const char *type_name = "";
+
+        if (i2c_is_isa_adapter(adapter)) {
+                /* This chip has no ISA interface */
+                goto ERROR0 ;
+        };
+
+        if (!i2c_check_functionality(adapter,
+                                        I2C_FUNC_SMBUS_BYTE_DATA)) {
+                /* We need to be able to do byte I/O */
+                goto ERROR0 ;
+        };
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access lm85_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct lm85_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR0;
+        }
+        memset(data, 0, sizeof(struct lm85_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm85_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        company = lm85_read_value(new_client, LM85_REG_COMPANY);
+        verstep = lm85_read_value(new_client, LM85_REG_VERSTEP);
+
+        dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
+                " COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
+                i2c_adapter_id(new_client->adapter), new_client->addr,
+                company, verstep);
+
+        /* If auto-detecting, Determine the chip type. */
+        if (kind <= 0) {
+                dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
+                        i2c_adapter_id(adapter), address );
+                if( company == LM85_COMPANY_NATIONAL
+                    && verstep == LM85_VERSTEP_LM85C ) {
+                        kind = lm85c ;
+                } else if( company == LM85_COMPANY_NATIONAL
+                    && verstep == LM85_VERSTEP_LM85B ) {
+                        kind = lm85b ;
+                } else if( company == LM85_COMPANY_NATIONAL
+                    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
+                        dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
+                                " Defaulting to LM85.\n", verstep);
+                        kind = any_chip ;
+                } else if( company == LM85_COMPANY_ANALOG_DEV
+                    && verstep == LM85_VERSTEP_ADM1027 ) {
+                        kind = adm1027 ;
+                } else if( company == LM85_COMPANY_ANALOG_DEV
+                    && (verstep == LM85_VERSTEP_ADT7463
+                         || verstep == LM85_VERSTEP_ADT7463C) ) {
+                        kind = adt7463 ;
+                } else if( company == LM85_COMPANY_ANALOG_DEV
+                    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC ) {
+                        dev_err(&adapter->dev, "Unrecognized version/stepping 0x%02x"
+                                " Defaulting to Generic LM85.\n", verstep );
+                        kind = any_chip ;
+                } else if( company == LM85_COMPANY_SMSC
+                    && (verstep == LM85_VERSTEP_EMC6D100_A0
+                         || verstep == LM85_VERSTEP_EMC6D100_A1) ) {
+                        /* Unfortunately, we can't tell a '100 from a '101
+                         * from the registers.  Since a '101 is a '100
+                         * in a package with fewer pins and therefore no
+                         * 3.3V, 1.5V or 1.8V inputs, perhaps if those
+                         * inputs read 0, then it's a '101.
+                         */
+                        kind = emc6d100 ;
+                } else if( company == LM85_COMPANY_SMSC
+                    && verstep == LM85_VERSTEP_EMC6D102) {
+                        kind = emc6d102 ;
+                } else if( company == LM85_COMPANY_SMSC
+                    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
+                        dev_err(&adapter->dev, "lm85: Detected SMSC chip\n");
+                        dev_err(&adapter->dev, "lm85: Unrecognized version/stepping 0x%02x"
+                            " Defaulting to Generic LM85.\n", verstep );
+                        kind = any_chip ;
+                } else if( kind == any_chip
+                    && (verstep & LM85_VERSTEP_VMASK) == LM85_VERSTEP_GENERIC) {
+                        dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
+                        /* Leave kind as "any_chip" */
+                } else {
+                        dev_dbg(&adapter->dev, "Autodetection failed\n");
+                        /* Not an LM85 ... */
+                        if( kind == any_chip ) {  /* User used force=x,y */
+                                dev_err(&adapter->dev, "Generic LM85 Version 6 not"
+                                        " found at %d,0x%02x. Try force_lm85c.\n",
+                                        i2c_adapter_id(adapter), address );
+                        }
+                        err = 0 ;
+                        goto ERROR1;
+                }
+        }
+
+        /* Fill in the chip specific driver values */
+        if ( kind == any_chip ) {
+                type_name = "lm85";
+        } else if ( kind == lm85b ) {
+                type_name = "lm85b";
+        } else if ( kind == lm85c ) {
+                type_name = "lm85c";
+        } else if ( kind == adm1027 ) {
+                type_name = "adm1027";
+        } else if ( kind == adt7463 ) {
+                type_name = "adt7463";
+        } else if ( kind == emc6d100){
+                type_name = "emc6d100";
+        } else if ( kind == emc6d102 ) {
+                type_name = "emc6d102";
+        }
+        strlcpy(new_client->name, type_name, I2C_NAME_SIZE);
+
+        /* Fill in the remaining client fields */
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR1;
+
+        /* Set the VRM version */
+        data->vrm = i2c_which_vrm();
+
+        /* Initialize the LM85 chip */
+        lm85_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan3_input);
+        device_create_file(&new_client->dev, &dev_attr_fan4_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan3_min);
+        device_create_file(&new_client->dev, &dev_attr_fan4_min);
+        device_create_file(&new_client->dev, &dev_attr_pwm1);
+        device_create_file(&new_client->dev, &dev_attr_pwm2);
+        device_create_file(&new_client->dev, &dev_attr_pwm3);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_enable);
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp3_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max);
+        device_create_file(&new_client->dev, &dev_attr_vrm);
+        device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_auto_channels);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_auto_channels);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_auto_channels);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_min);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_min);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_min);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_minctl);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_minctl);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_minctl);
+        device_create_file(&new_client->dev, &dev_attr_pwm1_auto_pwm_freq);
+        device_create_file(&new_client->dev, &dev_attr_pwm2_auto_pwm_freq);
+        device_create_file(&new_client->dev, &dev_attr_pwm3_auto_pwm_freq);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_off);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_off);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_off);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_min);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_auto_temp_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_auto_temp_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp3_auto_temp_crit);
+
+        return 0;
+
+        /* Error out and cleanup code */
+    ERROR1:
+        kfree(data);
+    ERROR0:
+        return err;
+}
+
+int lm85_detach_client(struct i2c_client *client)
+{
+        i2c_detach_client(client);
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+
+int lm85_read_value(struct i2c_client *client, u8 reg)
+{
+        int res;
+
+        /* What size location is it? */
+        switch( reg ) {
+        case LM85_REG_FAN(0) :  /* Read WORD data */
+        case LM85_REG_FAN(1) :
+        case LM85_REG_FAN(2) :
+        case LM85_REG_FAN(3) :
+        case LM85_REG_FAN_MIN(0) :
+        case LM85_REG_FAN_MIN(1) :
+        case LM85_REG_FAN_MIN(2) :
+        case LM85_REG_FAN_MIN(3) :
+        case LM85_REG_ALARM1 :  /* Read both bytes at once */
+                res = i2c_smbus_read_byte_data(client, reg) & 0xff ;
+                res |= i2c_smbus_read_byte_data(client, reg+1) << 8 ;
+                break ;
+        case ADT7463_REG_TMIN_CTL1 :  /* Read WORD MSB, LSB */
+                res = i2c_smbus_read_byte_data(client, reg) << 8 ;
+                res |= i2c_smbus_read_byte_data(client, reg+1) & 0xff ;
+                break ;
+        default:        /* Read BYTE data */
+                res = i2c_smbus_read_byte_data(client, reg);
+                break ;
+        }
+
+        return res ;
+}
+
+int lm85_write_value(struct i2c_client *client, u8 reg, int value)
+{
+        int res ;
+
+        switch( reg ) {
+        case LM85_REG_FAN(0) :  /* Write WORD data */
+        case LM85_REG_FAN(1) :
+        case LM85_REG_FAN(2) :
+        case LM85_REG_FAN(3) :
+        case LM85_REG_FAN_MIN(0) :
+        case LM85_REG_FAN_MIN(1) :
+        case LM85_REG_FAN_MIN(2) :
+        case LM85_REG_FAN_MIN(3) :
+        /* NOTE: ALARM is read only, so not included here */
+                res = i2c_smbus_write_byte_data(client, reg, value & 0xff) ;
+                res |= i2c_smbus_write_byte_data(client, reg+1, (value>>8) & 0xff) ;
+                break ;
+        case ADT7463_REG_TMIN_CTL1 :  /* Write WORD MSB, LSB */
+                res = i2c_smbus_write_byte_data(client, reg, (value>>8) & 0xff);
+                res |= i2c_smbus_write_byte_data(client, reg+1, value & 0xff) ;
+                break ;
+        default:        /* Write BYTE data */
+                res = i2c_smbus_write_byte_data(client, reg, value);
+                break ;
+        }
+
+        return res ;
+}
+
+void lm85_init_client(struct i2c_client *client)
+{
+        int value;
+        struct lm85_data *data = i2c_get_clientdata(client);
+
+        dev_dbg(&client->dev, "Initializing device\n");
+
+        /* Warn if part was not "READY" */
+        value = lm85_read_value(client, LM85_REG_CONFIG);
+        dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value);
+        if( value & 0x02 ) {
+                dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n",
+                            i2c_adapter_id(client->adapter), client->addr );
+        };
+        if( ! (value & 0x04) ) {
+                dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
+                            i2c_adapter_id(client->adapter), client->addr );
+        };
+        if( value & 0x10
+            && ( data->type == adm1027
+                || data->type == adt7463 ) ) {
+                dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set.  "
+                        "Please report this to the lm85 maintainer.\n",
+                            i2c_adapter_id(client->adapter), client->addr );
+        };
+
+        /* WE INTENTIONALLY make no changes to the limits,
+         *   offsets, pwms, fans and zones.  If they were
+         *   configured, we don't want to mess with them.
+         *   If they weren't, the default is 100% PWM, no
+         *   control and will suffice until 'sensors -s'
+         *   can be run by the user.
+         */
+
+        /* Start monitoring */
+        value = lm85_read_value(client, LM85_REG_CONFIG);
+        /* Try to clear LOCK, Set START, save everything else */
+        value = (value & ~ 0x02) | 0x01 ;
+        dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
+        lm85_write_value(client, LM85_REG_CONFIG, value);
+}
+
+static struct lm85_data *lm85_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm85_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if ( !data->valid ||
+             time_after(jiffies, data->last_reading + LM85_DATA_INTERVAL) ) {
+                /* Things that change quickly */
+                dev_dbg(&client->dev, "Reading sensor values\n");
+                
+                /* Have to read extended bits first to "freeze" the
+                 * more significant bits that are read later.
+                 */
+                if ( (data->type == adm1027) || (data->type == adt7463) ) {
+                        int ext1 = lm85_read_value(client,
+                                                   ADM1027_REG_EXTEND_ADC1);
+                        int ext2 =  lm85_read_value(client,
+                                                    ADM1027_REG_EXTEND_ADC2);
+                        int val = (ext1 << 8) + ext2;
+
+                        for(i = 0; i <= 4; i++)
+                                data->in_ext[i] = (val>>(i * 2))&0x03;
+
+                        for(i = 0; i <= 2; i++)
+                                data->temp_ext[i] = (val>>((i + 5) * 2))&0x03;
+                }
+
+                /* adc_scale is 2^(number of LSBs). There are 4 extra bits in
+                   the emc6d102 and 2 in the adt7463 and adm1027. In all
+                   other chips ext is always 0 and the value of scale is
+                   irrelevant. So it is left in 4*/
+                data->adc_scale = (data->type == emc6d102 ) ? 16 : 4;
+
+                for (i = 0; i <= 4; ++i) {
+                        data->in[i] =
+                            lm85_read_value(client, LM85_REG_IN(i));
+                }
+
+                for (i = 0; i <= 3; ++i) {
+                        data->fan[i] =
+                            lm85_read_value(client, LM85_REG_FAN(i));
+                }
+
+                for (i = 0; i <= 2; ++i) {
+                        data->temp[i] =
+                            lm85_read_value(client, LM85_REG_TEMP(i));
+                }
+
+                for (i = 0; i <= 2; ++i) {
+                        data->pwm[i] =
+                            lm85_read_value(client, LM85_REG_PWM(i));
+                }
+
+                data->alarms = lm85_read_value(client, LM85_REG_ALARM1);
+
+                if ( data->type == adt7463 ) {
+                        if( data->therm_total < ULONG_MAX - 256 ) {
+                            data->therm_total +=
+                                lm85_read_value(client, ADT7463_REG_THERM );
+                        }
+                } else if ( data->type == emc6d100 ) {
+                        /* Three more voltage sensors */
+                        for (i = 5; i <= 7; ++i) {
+                                data->in[i] =
+                                        lm85_read_value(client, EMC6D100_REG_IN(i));
+                        }
+                        /* More alarm bits */
+                        data->alarms |=
+                                lm85_read_value(client, EMC6D100_REG_ALARM3) << 16;
+                } else if (data->type == emc6d102 ) {
+                        /* Have to read LSB bits after the MSB ones because
+                           the reading of the MSB bits has frozen the
+                           LSBs (backward from the ADM1027).
+                         */
+                        int ext1 = lm85_read_value(client,
+                                                   EMC6D102_REG_EXTEND_ADC1);
+                        int ext2 = lm85_read_value(client,
+                                                   EMC6D102_REG_EXTEND_ADC2);
+                        int ext3 = lm85_read_value(client,
+                                                   EMC6D102_REG_EXTEND_ADC3);
+                        int ext4 = lm85_read_value(client,
+                                                   EMC6D102_REG_EXTEND_ADC4);
+                        data->in_ext[0] = ext3 & 0x0f;
+                        data->in_ext[1] = ext4 & 0x0f;
+                        data->in_ext[2] = (ext4 >> 4) & 0x0f;
+                        data->in_ext[3] = (ext3 >> 4) & 0x0f;
+                        data->in_ext[4] = (ext2 >> 4) & 0x0f;
+
+                        data->temp_ext[0] = ext1 & 0x0f;
+                        data->temp_ext[1] = ext2 & 0x0f;
+                        data->temp_ext[2] = (ext1 >> 4) & 0x0f;
+                }
+
+                data->last_reading = jiffies ;
+        };  /* last_reading */
+
+        if ( !data->valid ||
+             time_after(jiffies, data->last_config + LM85_CONFIG_INTERVAL) ) {
+                /* Things that don't change often */
+                dev_dbg(&client->dev, "Reading config values\n");
+
+                for (i = 0; i <= 4; ++i) {
+                        data->in_min[i] =
+                            lm85_read_value(client, LM85_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            lm85_read_value(client, LM85_REG_IN_MAX(i));
+                }
+
+                if ( data->type == emc6d100 ) {
+                        for (i = 5; i <= 7; ++i) {
+                                data->in_min[i] =
+                                        lm85_read_value(client, EMC6D100_REG_IN_MIN(i));
+                                data->in_max[i] =
+                                        lm85_read_value(client, EMC6D100_REG_IN_MAX(i));
+                        }
+                }
+
+                for (i = 0; i <= 3; ++i) {
+                        data->fan_min[i] =
+                            lm85_read_value(client, LM85_REG_FAN_MIN(i));
+                }
+
+                for (i = 0; i <= 2; ++i) {
+                        data->temp_min[i] =
+                            lm85_read_value(client, LM85_REG_TEMP_MIN(i));
+                        data->temp_max[i] =
+                            lm85_read_value(client, LM85_REG_TEMP_MAX(i));
+                }
+
+                data->vid = lm85_read_value(client, LM85_REG_VID);
+
+                for (i = 0; i <= 2; ++i) {
+                        int val ;
+                        data->autofan[i].config =
+                            lm85_read_value(client, LM85_REG_AFAN_CONFIG(i));
+                        val = lm85_read_value(client, LM85_REG_AFAN_RANGE(i));
+                        data->autofan[i].freq = val & 0x07 ;
+                        data->zone[i].range = (val >> 4) & 0x0f ;
+                        data->autofan[i].min_pwm =
+                            lm85_read_value(client, LM85_REG_AFAN_MINPWM(i));
+                        data->zone[i].limit =
+                            lm85_read_value(client, LM85_REG_AFAN_LIMIT(i));
+                        data->zone[i].critical =
+                            lm85_read_value(client, LM85_REG_AFAN_CRITICAL(i));
+                }
+
+                i = lm85_read_value(client, LM85_REG_AFAN_SPIKE1);
+                data->smooth[0] = i & 0x0f ;
+                data->syncpwm3 = i & 0x10 ;  /* Save PWM3 config */
+                data->autofan[0].min_off = (i & 0x20) != 0 ;
+                data->autofan[1].min_off = (i & 0x40) != 0 ;
+                data->autofan[2].min_off = (i & 0x80) != 0 ;
+                i = lm85_read_value(client, LM85_REG_AFAN_SPIKE2);
+                data->smooth[1] = (i>>4) & 0x0f ;
+                data->smooth[2] = i & 0x0f ;
+
+                i = lm85_read_value(client, LM85_REG_AFAN_HYST1);
+                data->zone[0].hyst = (i>>4) & 0x0f ;
+                data->zone[1].hyst = i & 0x0f ;
+
+                i = lm85_read_value(client, LM85_REG_AFAN_HYST2);
+                data->zone[2].hyst = (i>>4) & 0x0f ;
+
+                if ( (data->type == lm85b) || (data->type == lm85c) ) {
+                        data->tach_mode = lm85_read_value(client,
+                                LM85_REG_TACH_MODE );
+                        data->spinup_ctl = lm85_read_value(client,
+                                LM85_REG_SPINUP_CTL );
+                } else if ( (data->type == adt7463) || (data->type == adm1027) ) {
+                        if ( data->type == adt7463 ) {
+                                for (i = 0; i <= 2; ++i) {
+                                    data->oppoint[i] = lm85_read_value(client,
+                                        ADT7463_REG_OPPOINT(i) );
+                                }
+                                data->tmin_ctl = lm85_read_value(client,
+                                        ADT7463_REG_TMIN_CTL1 );
+                                data->therm_limit = lm85_read_value(client,
+                                        ADT7463_REG_THERM_LIMIT );
+                        }
+                        for (i = 0; i <= 2; ++i) {
+                            data->temp_offset[i] = lm85_read_value(client,
+                                ADM1027_REG_TEMP_OFFSET(i) );
+                        }
+                        data->tach_mode = lm85_read_value(client,
+                                ADM1027_REG_CONFIG3 );
+                        data->fan_ppr = lm85_read_value(client,
+                                ADM1027_REG_FAN_PPR );
+                }
+        
+                data->last_config = jiffies;
+        };  /* last_config */
+
+        data->valid = 1;
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+
+static int __init sm_lm85_init(void)
+{
+        return i2c_add_driver(&lm85_driver);
+}
+
+static void  __exit sm_lm85_exit(void)
+{
+        i2c_del_driver(&lm85_driver);
+}
+
+/* Thanks to Richard Barrington for adding the LM85 to sensors-detect.
+ * Thanks to Margit Schubert-While <margitsw@t-online.de> for help with
+ *     post 2.7.0 CVS changes.
+ */
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>, Justin Thiessen <jthiessen@penguincomputing.com");
+MODULE_DESCRIPTION("LM85-B, LM85-C driver");
+
+module_init(sm_lm85_init);
+module_exit(sm_lm85_exit);
diff --git a/drivers/i2c/chips/lm87.c b/drivers/i2c/chips/lm87.c
new file mode 100644
index 000000000000..98cabd665063
--- /dev/null
+++ b/drivers/i2c/chips/lm87.c
@@ -0,0 +1,829 @@
+/*
+ * lm87.c
+ *
+ * Copyright (C) 2000       Frodo Looijaard <frodol@dds.nl>
+ *                          Philip Edelbrock <phil@netroedge.com>
+ *                          Stephen Rousset <stephen.rousset@rocketlogix.com>
+ *                          Dan Eaton <dan.eaton@rocketlogix.com>
+ * Copyright (C) 2004       Jean Delvare <khali@linux-fr.org>
+ *
+ * Original port to Linux 2.6 by Jeff Oliver.
+ *
+ * The LM87 is a sensor chip made by National Semiconductor. It monitors up
+ * to 8 voltages (including its own power source), up to three temperatures
+ * (its own plus up to two external ones) and up to two fans. The default
+ * configuration is 6 voltages, two temperatures and two fans (see below).
+ * Voltages are scaled internally with ratios such that the nominal value of
+ * each voltage correspond to a register value of 192 (which means a
+ * resolution of about 0.5% of the nominal value). Temperature values are
+ * reported with a 1 deg resolution and a 3-4 deg accuracy. Complete
+ * datasheet can be obtained from National's website at:
+ *   http://www.national.com/pf/LM/LM87.html
+ *
+ * Some functions share pins, so not all functions are available at the same
+ * time. Which are depends on the hardware setup. This driver assumes that
+ * the BIOS configured the chip correctly. In that respect, it  differs from
+ * the original driver (from lm_sensors for Linux 2.4), which would force the
+ * LM87 to an arbitrary, compile-time chosen mode, regardless of the actual
+ * chipset wiring.
+ * For reference, here is the list of exclusive functions:
+ *  - in0+in5 (default) or temp3
+ *  - fan1 (default) or in6
+ *  - fan2 (default) or in7
+ *  - VID lines (default) or IRQ lines (not handled by this driver)
+ *
+ * The LM87 additionally features an analog output, supposedly usable to
+ * control the speed of a fan. All new chips use pulse width modulation
+ * instead. The LM87 is the only hardware monitoring chipset I know of
+ * which uses amplitude modulation. Be careful when using this feature.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+
+/*
+ * Addresses to scan
+ * LM87 has three possible addresses: 0x2c, 0x2d and 0x2e.
+ */
+
+static unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(lm87);
+
+/*
+ * The LM87 registers
+ */
+
+/* nr in 0..5 */
+#define LM87_REG_IN(nr)                 (0x20 + (nr))
+#define LM87_REG_IN_MAX(nr)             (0x2B + (nr) * 2)
+#define LM87_REG_IN_MIN(nr)             (0x2C + (nr) * 2)
+/* nr in 0..1 */
+#define LM87_REG_AIN(nr)                (0x28 + (nr))
+#define LM87_REG_AIN_MIN(nr)            (0x1A + (nr))
+#define LM87_REG_AIN_MAX(nr)            (0x3B + (nr))
+
+static u8 LM87_REG_TEMP[3] = { 0x27, 0x26, 0x20 };
+static u8 LM87_REG_TEMP_HIGH[3] = { 0x39, 0x37, 0x2B };
+static u8 LM87_REG_TEMP_LOW[3] = { 0x3A, 0x38, 0x2C };
+
+#define LM87_REG_TEMP_HW_INT_LOCK       0x13
+#define LM87_REG_TEMP_HW_EXT_LOCK       0x14
+#define LM87_REG_TEMP_HW_INT            0x17
+#define LM87_REG_TEMP_HW_EXT            0x18
+
+/* nr in 0..1 */
+#define LM87_REG_FAN(nr)                (0x28 + (nr))
+#define LM87_REG_FAN_MIN(nr)            (0x3B + (nr))
+#define LM87_REG_AOUT                   0x19
+
+#define LM87_REG_CONFIG                 0x40
+#define LM87_REG_CHANNEL_MODE           0x16
+#define LM87_REG_VID_FAN_DIV            0x47
+#define LM87_REG_VID4                   0x49
+
+#define LM87_REG_ALARMS1                0x41
+#define LM87_REG_ALARMS2                0x42
+
+#define LM87_REG_COMPANY_ID             0x3E
+#define LM87_REG_REVISION               0x3F
+
+/*
+ * Conversions and various macros
+ * The LM87 uses signed 8-bit values for temperatures.
+ */
+
+#define IN_FROM_REG(reg,scale)  (((reg) * (scale) + 96) / 192)
+#define IN_TO_REG(val,scale)    ((val) <= 0 ? 0 : \
+                                 (val) * 192 >= (scale) * 255 ? 255 : \
+                                 ((val) * 192 + (scale)/2) / (scale))
+
+#define TEMP_FROM_REG(reg)      ((reg) * 1000)
+#define TEMP_TO_REG(val)        ((val) <= -127500 ? -128 : \
+                                 (val) >= 126500 ? 127 : \
+                                 (((val) < 0 ? (val)-500 : (val)+500) / 1000))
+
+#define FAN_FROM_REG(reg,div)   ((reg) == 255 || (reg) == 0 ? 0 : \
+                                 1350000 + (reg)*(div) / 2) / ((reg)*(div))
+#define FAN_TO_REG(val,div)     ((val)*(div) * 255 <= 1350000 ? 255 : \
+                                 (1350000 + (val)*(div) / 2) / ((val)*(div)))
+
+#define FAN_DIV_FROM_REG(reg)   (1 << (reg))
+
+/* analog out is 9.80mV/LSB */
+#define AOUT_FROM_REG(reg)      (((reg) * 98 + 5) / 10)
+#define AOUT_TO_REG(val)        ((val) <= 0 ? 0 : \
+                                 (val) >= 2500 ? 255 : \
+                                 ((val) * 10 + 49) / 98)
+
+/* nr in 0..1 */
+#define CHAN_NO_FAN(nr)         (1 << (nr))
+#define CHAN_TEMP3              (1 << 2)
+#define CHAN_VCC_5V             (1 << 3)
+#define CHAN_NO_VID             (1 << 8)
+
+/*
+ * Functions declaration
+ */
+
+static int lm87_attach_adapter(struct i2c_adapter *adapter);
+static int lm87_detect(struct i2c_adapter *adapter, int address, int kind);
+static void lm87_init_client(struct i2c_client *client);
+static int lm87_detach_client(struct i2c_client *client);
+static struct lm87_data *lm87_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver lm87_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm87",
+        .id             = I2C_DRIVERID_LM87,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm87_attach_adapter,
+        .detach_client  = lm87_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct lm87_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* In jiffies */
+
+        u8 channel;             /* register value */
+
+        u8 in[8];               /* register value */
+        u8 in_max[8];           /* register value */
+        u8 in_min[8];           /* register value */
+        u16 in_scale[8];
+
+        s8 temp[3];             /* register value */
+        s8 temp_high[3];        /* register value */
+        s8 temp_low[3];         /* register value */
+        s8 temp_crit_int;       /* min of two register values */
+        s8 temp_crit_ext;       /* min of two register values */
+
+        u8 fan[2];              /* register value */
+        u8 fan_min[2];          /* register value */
+        u8 fan_div[2];          /* register value, shifted right */
+        u8 aout;                /* register value */
+
+        u16 alarms;             /* register values, combined */
+        u8 vid;                 /* register values, combined */
+        u8 vrm;
+};
+
+/*
+ * Sysfs stuff
+ */
+
+static inline int lm87_read_value(struct i2c_client *client, u8 reg)
+{
+        return i2c_smbus_read_byte_data(client, reg);
+}
+
+static inline int lm87_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        return i2c_smbus_write_byte_data(client, reg, value);
+}
+
+#define show_in(offset) \
+static ssize_t show_in##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
+                       data->in_scale[offset])); \
+} \
+static ssize_t show_in##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
+                       data->in_scale[offset])); \
+} \
+static ssize_t show_in##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
+                       data->in_scale[offset])); \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+                show_in##offset##_input, NULL);
+show_in(0);
+show_in(1);
+show_in(2);
+show_in(3);
+show_in(4);
+show_in(5);
+show_in(6);
+show_in(7);
+
+static void set_in_min(struct device *dev, const char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = IN_TO_REG(val, data->in_scale[nr]);
+        lm87_write_value(client, nr<6 ? LM87_REG_IN_MIN(nr) :
+                         LM87_REG_AIN_MIN(nr-6), data->in_min[nr]);
+        up(&data->update_lock);
+}
+
+static void set_in_max(struct device *dev, const char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = IN_TO_REG(val, data->in_scale[nr]);
+        lm87_write_value(client, nr<6 ? LM87_REG_IN_MAX(nr) :
+                         LM87_REG_AIN_MAX(nr-6), data->in_max[nr]);
+        up(&data->update_lock);
+}
+
+#define set_in(offset) \
+static ssize_t set_in##offset##_min(struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        set_in_min(dev, buf, offset); \
+        return count; \
+} \
+static ssize_t set_in##offset##_max(struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        set_in_max(dev, buf, offset); \
+        return count; \
+} \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR, \
+                show_in##offset##_min, set_in##offset##_min); \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR, \
+                show_in##offset##_max, set_in##offset##_max);
+set_in(0);
+set_in(1);
+set_in(2);
+set_in(3);
+set_in(4);
+set_in(5);
+set_in(6);
+set_in(7);
+
+#define show_temp(offset) \
+static ssize_t show_temp##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
+} \
+static ssize_t show_temp##offset##_low(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_low[offset-1])); \
+} \
+static ssize_t show_temp##offset##_high(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_high[offset-1])); \
+}\
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+                show_temp##offset##_input, NULL);
+show_temp(1);
+show_temp(2);
+show_temp(3);
+
+static void set_temp_low(struct device *dev, const char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_low[nr] = TEMP_TO_REG(val);
+        lm87_write_value(client, LM87_REG_TEMP_LOW[nr], data->temp_low[nr]);
+        up(&data->update_lock);
+}
+
+static void set_temp_high(struct device *dev, const char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_high[nr] = TEMP_TO_REG(val);
+        lm87_write_value(client, LM87_REG_TEMP_HIGH[nr], data->temp_high[nr]);
+        up(&data->update_lock);
+}
+
+#define set_temp(offset) \
+static ssize_t set_temp##offset##_low(struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        set_temp_low(dev, buf, offset-1); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_high(struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        set_temp_high(dev, buf, offset-1); \
+        return count; \
+} \
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR, \
+                show_temp##offset##_high, set_temp##offset##_high); \
+static DEVICE_ATTR(temp##offset##_min, S_IRUGO | S_IWUSR, \
+                show_temp##offset##_low, set_temp##offset##_low);
+set_temp(1);
+set_temp(2);
+set_temp(3);
+
+static ssize_t show_temp_crit_int(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_int));
+}
+
+static ssize_t show_temp_crit_ext(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit_ext));
+}
+
+static DEVICE_ATTR(temp1_crit, S_IRUGO, show_temp_crit_int, NULL);
+static DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp_crit_ext, NULL);
+static DEVICE_ATTR(temp3_crit, S_IRUGO, show_temp_crit_ext, NULL);
+
+#define show_fan(offset) \
+static ssize_t show_fan##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[offset-1], \
+                       FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
+} \
+static ssize_t show_fan##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[offset-1], \
+                       FAN_DIV_FROM_REG(data->fan_div[offset-1]))); \
+} \
+static ssize_t show_fan##offset##_div(struct device *dev, char *buf) \
+{ \
+        struct lm87_data *data = lm87_update_device(dev); \
+        return sprintf(buf, "%d\n", FAN_DIV_FROM_REG(data->fan_div[offset-1])); \
+} \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+                show_fan##offset##_input, NULL);
+show_fan(1);
+show_fan(2);
+
+static void set_fan_min(struct device *dev, const char *buf, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val,
+                            FAN_DIV_FROM_REG(data->fan_div[nr]));
+        lm87_write_value(client, LM87_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan clock divider.  This follows the principle
+   of least suprise; the user doesn't expect the fan minimum to change just
+   because the divider changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+        unsigned long min;
+        u8 reg;
+
+        down(&data->update_lock);
+        min = FAN_FROM_REG(data->fan_min[nr],
+                           FAN_DIV_FROM_REG(data->fan_div[nr]));
+
+        switch (val) {
+        case 1: data->fan_div[nr] = 0; break;
+        case 2: data->fan_div[nr] = 1; break;
+        case 4: data->fan_div[nr] = 2; break;
+        case 8: data->fan_div[nr] = 3; break;
+        default:
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        reg = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
+        switch (nr) {
+        case 0:
+            reg = (reg & 0xCF) | (data->fan_div[0] << 4);
+            break;
+        case 1:
+            reg = (reg & 0x3F) | (data->fan_div[1] << 6);
+            break;
+        }
+        lm87_write_value(client, LM87_REG_VID_FAN_DIV, reg);
+
+        data->fan_min[nr] = FAN_TO_REG(min, val);
+        lm87_write_value(client, LM87_REG_FAN_MIN(nr),
+                         data->fan_min[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define set_fan(offset) \
+static ssize_t set_fan##offset##_min(struct device *dev, const char *buf, \
+                size_t count) \
+{ \
+        set_fan_min(dev, buf, offset-1); \
+        return count; \
+} \
+static ssize_t set_fan##offset##_div(struct device *dev, const char *buf, \
+                size_t count) \
+{ \
+        return set_fan_div(dev, buf, count, offset-1); \
+} \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+                show_fan##offset##_min, set_fan##offset##_min); \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+                show_fan##offset##_div, set_fan##offset##_div);
+set_fan(1);
+set_fan(2);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+static ssize_t show_vid(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        data->vrm = simple_strtoul(buf, NULL, 10);
+        return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+static ssize_t show_aout(struct device *dev, char *buf)
+{
+        struct lm87_data *data = lm87_update_device(dev);
+        return sprintf(buf, "%d\n", AOUT_FROM_REG(data->aout));
+}
+static ssize_t set_aout(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->aout = AOUT_TO_REG(val);
+        lm87_write_value(client, LM87_REG_AOUT, data->aout);
+        up(&data->update_lock);
+        return count;
+}
+static DEVICE_ATTR(aout_output, S_IRUGO | S_IWUSR, show_aout, set_aout);
+
+/*
+ * Real code
+ */
+
+static int lm87_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm87_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int lm87_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm87_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct lm87_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm87_data));
+
+        /* The common I2C client data is placed right before the
+           LM87-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm87_driver;
+        new_client->flags = 0;
+
+        /* Default to an LM87 if forced */
+        if (kind == 0)
+                kind = lm87;
+
+        /* Now, we do the remaining detection. */
+        if (kind < 0) {
+                u8 rev = lm87_read_value(new_client, LM87_REG_REVISION);
+
+                if (rev < 0x01 || rev > 0x08
+                 || (lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)
+                 || lm87_read_value(new_client, LM87_REG_COMPANY_ID) != 0x02) {
+                        dev_dbg(&adapter->dev,
+                                "LM87 detection failed at 0x%02x.\n",
+                                address);
+                        goto exit_free;
+                }
+        }
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, "lm87", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the LM87 chip */
+        lm87_init_client(new_client);
+
+        data->in_scale[0] = 2500;
+        data->in_scale[1] = 2700;
+        data->in_scale[2] = (data->channel & CHAN_VCC_5V) ? 5000 : 3300;
+        data->in_scale[3] = 5000;
+        data->in_scale[4] = 12000;
+        data->in_scale[5] = 2700;
+        data->in_scale[6] = 1875;
+        data->in_scale[7] = 1875;
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+
+        if (data->channel & CHAN_NO_FAN(0)) {
+                device_create_file(&new_client->dev, &dev_attr_in6_input);
+                device_create_file(&new_client->dev, &dev_attr_in6_min);
+                device_create_file(&new_client->dev, &dev_attr_in6_max);
+        } else {
+                device_create_file(&new_client->dev, &dev_attr_fan1_input);
+                device_create_file(&new_client->dev, &dev_attr_fan1_min);
+                device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        }
+        if (data->channel & CHAN_NO_FAN(1)) {
+                device_create_file(&new_client->dev, &dev_attr_in7_input);
+                device_create_file(&new_client->dev, &dev_attr_in7_min);
+                device_create_file(&new_client->dev, &dev_attr_in7_max);
+        } else {
+                device_create_file(&new_client->dev, &dev_attr_fan2_input);
+                device_create_file(&new_client->dev, &dev_attr_fan2_min);
+                device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        }
+
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+
+        if (data->channel & CHAN_TEMP3) {
+                device_create_file(&new_client->dev, &dev_attr_temp3_input);
+                device_create_file(&new_client->dev, &dev_attr_temp3_max);
+                device_create_file(&new_client->dev, &dev_attr_temp3_min);
+                device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+        } else {
+                device_create_file(&new_client->dev, &dev_attr_in0_input);
+                device_create_file(&new_client->dev, &dev_attr_in0_min);
+                device_create_file(&new_client->dev, &dev_attr_in0_max);
+                device_create_file(&new_client->dev, &dev_attr_in5_input);
+                device_create_file(&new_client->dev, &dev_attr_in5_min);
+                device_create_file(&new_client->dev, &dev_attr_in5_max);
+        }
+
+        if (!(data->channel & CHAN_NO_VID)) {
+                device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
+                device_create_file(&new_client->dev, &dev_attr_vrm);
+        }
+
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        device_create_file(&new_client->dev, &dev_attr_aout_output);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static void lm87_init_client(struct i2c_client *client)
+{
+        struct lm87_data *data = i2c_get_clientdata(client);
+        u8 config;
+
+        data->channel = lm87_read_value(client, LM87_REG_CHANNEL_MODE);
+        data->vrm = i2c_which_vrm();
+
+        config = lm87_read_value(client, LM87_REG_CONFIG);
+        if (!(config & 0x01)) {
+                int i;
+
+                /* Limits are left uninitialized after power-up */
+                for (i = 1; i < 6; i++) {
+                        lm87_write_value(client, LM87_REG_IN_MIN(i), 0x00);
+                        lm87_write_value(client, LM87_REG_IN_MAX(i), 0xFF);
+                }
+                for (i = 0; i < 2; i++) {
+                        lm87_write_value(client, LM87_REG_TEMP_HIGH[i], 0x7F);
+                        lm87_write_value(client, LM87_REG_TEMP_LOW[i], 0x00);
+                        lm87_write_value(client, LM87_REG_AIN_MIN(i), 0x00);
+                        lm87_write_value(client, LM87_REG_AIN_MAX(i), 0xFF);
+                }
+                if (data->channel & CHAN_TEMP3) {
+                        lm87_write_value(client, LM87_REG_TEMP_HIGH[2], 0x7F);
+                        lm87_write_value(client, LM87_REG_TEMP_LOW[2], 0x00);
+                } else {
+                        lm87_write_value(client, LM87_REG_IN_MIN(0), 0x00);
+                        lm87_write_value(client, LM87_REG_IN_MAX(0), 0xFF);
+                }
+        }
+        if ((config & 0x81) != 0x01) {
+                /* Start monitoring */
+                lm87_write_value(client, LM87_REG_CONFIG,
+                                 (config & 0xF7) | 0x01);
+        }
+}
+
+static int lm87_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct lm87_data *lm87_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm87_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+                int i, j;
+
+                dev_dbg(&client->dev, "Updating data.\n");
+
+                i = (data->channel & CHAN_TEMP3) ? 1 : 0;
+                j = (data->channel & CHAN_TEMP3) ? 5 : 6;
+                for (; i < j; i++) {
+                        data->in[i] = lm87_read_value(client,
+                                      LM87_REG_IN(i));
+                        data->in_min[i] = lm87_read_value(client,
+                                          LM87_REG_IN_MIN(i));
+                        data->in_max[i] = lm87_read_value(client,
+                                          LM87_REG_IN_MAX(i));
+                }
+
+                for (i = 0; i < 2; i++) {
+                        if (data->channel & CHAN_NO_FAN(i)) {
+                                data->in[6+i] = lm87_read_value(client,
+                                                LM87_REG_AIN(i));
+                                data->in_max[6+i] = lm87_read_value(client,
+                                                    LM87_REG_AIN_MAX(i));
+                                data->in_min[6+i] = lm87_read_value(client,
+                                                    LM87_REG_AIN_MIN(i));
+
+                        } else {
+                                data->fan[i] = lm87_read_value(client,
+                                               LM87_REG_FAN(i));
+                                data->fan_min[i] = lm87_read_value(client,
+                                                   LM87_REG_FAN_MIN(i));
+                        }
+                }
+
+                j = (data->channel & CHAN_TEMP3) ? 3 : 2;
+                for (i = 0 ; i < j; i++) {
+                        data->temp[i] = lm87_read_value(client,
+                                        LM87_REG_TEMP[i]);
+                        data->temp_high[i] = lm87_read_value(client,
+                                             LM87_REG_TEMP_HIGH[i]);
+                        data->temp_low[i] = lm87_read_value(client,
+                                            LM87_REG_TEMP_LOW[i]);
+                }
+
+                i = lm87_read_value(client, LM87_REG_TEMP_HW_INT_LOCK);
+                j = lm87_read_value(client, LM87_REG_TEMP_HW_INT);
+                data->temp_crit_int = min(i, j);
+
+                i = lm87_read_value(client, LM87_REG_TEMP_HW_EXT_LOCK);
+                j = lm87_read_value(client, LM87_REG_TEMP_HW_EXT);
+                data->temp_crit_ext = min(i, j);
+
+                i = lm87_read_value(client, LM87_REG_VID_FAN_DIV);
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = (i >> 6) & 0x03;
+                data->vid = (i & 0x0F)
+                          | (lm87_read_value(client, LM87_REG_VID4) & 0x01)
+                             << 4;
+
+                data->alarms = lm87_read_value(client, LM87_REG_ALARMS1)
+                             | (lm87_read_value(client, LM87_REG_ALARMS2)
+                                << 8);
+                data->aout = lm87_read_value(client, LM87_REG_AOUT);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm87_init(void)
+{
+        return i2c_add_driver(&lm87_driver);
+}
+
+static void __exit sensors_lm87_exit(void)
+{
+        i2c_del_driver(&lm87_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org> and others");
+MODULE_DESCRIPTION("LM87 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm87_init);
+module_exit(sensors_lm87_exit);
diff --git a/drivers/i2c/chips/lm90.c b/drivers/i2c/chips/lm90.c
new file mode 100644
index 000000000000..2c00ff83babc
--- /dev/null
+++ b/drivers/i2c/chips/lm90.c
@@ -0,0 +1,626 @@
+/*
+ * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
+ *          monitoring
+ * Copyright (C) 2003-2004  Jean Delvare <khali@linux-fr.org>
+ *
+ * Based on the lm83 driver. The LM90 is a sensor chip made by National
+ * Semiconductor. It reports up to two temperatures (its own plus up to
+ * one external one) with a 0.125 deg resolution (1 deg for local
+ * temperature) and a 3-4 deg accuracy. Complete datasheet can be
+ * obtained from National's website at:
+ *   http://www.national.com/pf/LM/LM90.html
+ *
+ * This driver also supports the LM89 and LM99, two other sensor chips
+ * made by National Semiconductor. Both have an increased remote
+ * temperature measurement accuracy (1 degree), and the LM99
+ * additionally shifts remote temperatures (measured and limits) by 16
+ * degrees, which allows for higher temperatures measurement. The
+ * driver doesn't handle it since it can be done easily in user-space.
+ * Complete datasheets can be obtained from National's website at:
+ *   http://www.national.com/pf/LM/LM89.html
+ *   http://www.national.com/pf/LM/LM99.html
+ * Note that there is no way to differenciate between both chips.
+ *
+ * This driver also supports the LM86, another sensor chip made by
+ * National Semiconductor. It is exactly similar to the LM90 except it
+ * has a higher accuracy.
+ * Complete datasheet can be obtained from National's website at:
+ *   http://www.national.com/pf/LM/LM86.html
+ *
+ * This driver also supports the ADM1032, a sensor chip made by Analog
+ * Devices. That chip is similar to the LM90, with a few differences
+ * that are not handled by this driver. Complete datasheet can be
+ * obtained from Analog's website at:
+ *   http://products.analog.com/products/info.asp?product=ADM1032
+ * Among others, it has a higher accuracy than the LM90, much like the
+ * LM86 does.
+ *
+ * This driver also supports the MAX6657, MAX6658 and MAX6659 sensor
+ * chips made by Maxim. These chips are similar to the LM86. Complete
+ * datasheet can be obtained at Maxim's website at:
+ *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2578
+ * Note that there is no easy way to differenciate between the three
+ * variants. The extra address and features of the MAX6659 are not
+ * supported by this driver.
+ *
+ * This driver also supports the ADT7461 chip from Analog Devices but
+ * only in its "compatability mode". If an ADT7461 chip is found but
+ * is configured in non-compatible mode (where its temperature
+ * register values are decoded differently) it is ignored by this
+ * driver. Complete datasheet can be obtained from Analog's website
+ * at:
+ *   http://products.analog.com/products/info.asp?product=ADT7461
+ *
+ * Since the LM90 was the first chipset supported by this driver, most
+ * comments will refer to this chipset, but are actually general and
+ * concern all supported chipsets, unless mentioned otherwise.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/*
+ * Addresses to scan
+ * Address is fully defined internally and cannot be changed except for
+ * MAX6659.
+ * LM86, LM89, LM90, LM99, ADM1032, MAX6657 and MAX6658 have address 0x4c.
+ * LM89-1, and LM99-1 have address 0x4d.
+ * MAX6659 can have address 0x4c, 0x4d or 0x4e (unsupported).
+ * ADT7461 always has address 0x4c.
+ */
+
+static unsigned short normal_i2c[] = { 0x4c, 0x4d, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_6(lm90, adm1032, lm99, lm86, max6657, adt7461);
+
+/*
+ * The LM90 registers
+ */
+
+#define LM90_REG_R_MAN_ID               0xFE
+#define LM90_REG_R_CHIP_ID              0xFF
+#define LM90_REG_R_CONFIG1              0x03
+#define LM90_REG_W_CONFIG1              0x09
+#define LM90_REG_R_CONFIG2              0xBF
+#define LM90_REG_W_CONFIG2              0xBF
+#define LM90_REG_R_CONVRATE             0x04
+#define LM90_REG_W_CONVRATE             0x0A
+#define LM90_REG_R_STATUS               0x02
+#define LM90_REG_R_LOCAL_TEMP           0x00
+#define LM90_REG_R_LOCAL_HIGH           0x05
+#define LM90_REG_W_LOCAL_HIGH           0x0B
+#define LM90_REG_R_LOCAL_LOW            0x06
+#define LM90_REG_W_LOCAL_LOW            0x0C
+#define LM90_REG_R_LOCAL_CRIT           0x20
+#define LM90_REG_W_LOCAL_CRIT           0x20
+#define LM90_REG_R_REMOTE_TEMPH         0x01
+#define LM90_REG_R_REMOTE_TEMPL         0x10
+#define LM90_REG_R_REMOTE_OFFSH         0x11
+#define LM90_REG_W_REMOTE_OFFSH         0x11
+#define LM90_REG_R_REMOTE_OFFSL         0x12
+#define LM90_REG_W_REMOTE_OFFSL         0x12
+#define LM90_REG_R_REMOTE_HIGHH         0x07
+#define LM90_REG_W_REMOTE_HIGHH         0x0D
+#define LM90_REG_R_REMOTE_HIGHL         0x13
+#define LM90_REG_W_REMOTE_HIGHL         0x13
+#define LM90_REG_R_REMOTE_LOWH          0x08
+#define LM90_REG_W_REMOTE_LOWH          0x0E
+#define LM90_REG_R_REMOTE_LOWL          0x14
+#define LM90_REG_W_REMOTE_LOWL          0x14
+#define LM90_REG_R_REMOTE_CRIT          0x19
+#define LM90_REG_W_REMOTE_CRIT          0x19
+#define LM90_REG_R_TCRIT_HYST           0x21
+#define LM90_REG_W_TCRIT_HYST           0x21
+
+/*
+ * Conversions and various macros
+ * For local temperatures and limits, critical limits and the hysteresis
+ * value, the LM90 uses signed 8-bit values with LSB = 1 degree Celcius.
+ * For remote temperatures and limits, it uses signed 11-bit values with
+ * LSB = 0.125 degree Celcius, left-justified in 16-bit registers.
+ */
+
+#define TEMP1_FROM_REG(val)     ((val) * 1000)
+#define TEMP1_TO_REG(val)       ((val) <= -128000 ? -128 : \
+                                 (val) >= 127000 ? 127 : \
+                                 (val) < 0 ? ((val) - 500) / 1000 : \
+                                 ((val) + 500) / 1000)
+#define TEMP2_FROM_REG(val)     ((val) / 32 * 125)
+#define TEMP2_TO_REG(val)       ((val) <= -128000 ? 0x8000 : \
+                                 (val) >= 127875 ? 0x7FE0 : \
+                                 (val) < 0 ? ((val) - 62) / 125 * 32 : \
+                                 ((val) + 62) / 125 * 32)
+#define HYST_TO_REG(val)        ((val) <= 0 ? 0 : (val) >= 30500 ? 31 : \
+                                 ((val) + 500) / 1000)
+
+/* 
+ * ADT7461 is almost identical to LM90 except that attempts to write
+ * values that are outside the range 0 < temp < 127 are treated as
+ * the boundary value. 
+ */
+
+#define TEMP1_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
+                                 (val) >= 127000 ? 127 : \
+                                 ((val) + 500) / 1000)
+#define TEMP2_TO_REG_ADT7461(val) ((val) <= 0 ? 0 : \
+                                 (val) >= 127750 ? 0x7FC0 : \
+                                 ((val) + 125) / 250 * 64)
+
+/*
+ * Functions declaration
+ */
+
+static int lm90_attach_adapter(struct i2c_adapter *adapter);
+static int lm90_detect(struct i2c_adapter *adapter, int address,
+        int kind);
+static void lm90_init_client(struct i2c_client *client);
+static int lm90_detach_client(struct i2c_client *client);
+static struct lm90_data *lm90_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver lm90_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm90",
+        .id             = I2C_DRIVERID_LM90,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm90_attach_adapter,
+        .detach_client  = lm90_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct lm90_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+        int kind;
+
+        /* registers values */
+        s8 temp_input1, temp_low1, temp_high1; /* local */
+        s16 temp_input2, temp_low2, temp_high2; /* remote, combined */
+        s8 temp_crit1, temp_crit2;
+        u8 temp_hyst;
+        u8 alarms; /* bitvector */
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show_temp(value, converter) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm90_data *data = lm90_update_device(dev); \
+        return sprintf(buf, "%d\n", converter(data->value)); \
+}
+show_temp(temp_input1, TEMP1_FROM_REG);
+show_temp(temp_input2, TEMP2_FROM_REG);
+show_temp(temp_low1, TEMP1_FROM_REG);
+show_temp(temp_low2, TEMP2_FROM_REG);
+show_temp(temp_high1, TEMP1_FROM_REG);
+show_temp(temp_high2, TEMP2_FROM_REG);
+show_temp(temp_crit1, TEMP1_FROM_REG);
+show_temp(temp_crit2, TEMP1_FROM_REG);
+
+#define set_temp1(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm90_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        if (data->kind == adt7461) \
+                data->value = TEMP1_TO_REG_ADT7461(val); \
+        else \
+                data->value = TEMP1_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, reg, data->value); \
+        up(&data->update_lock); \
+        return count; \
+}
+#define set_temp2(value, regh, regl) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm90_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        if (data->kind == adt7461) \
+                data->value = TEMP2_TO_REG_ADT7461(val); \
+        else \
+                data->value = TEMP2_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, regh, data->value >> 8); \
+        i2c_smbus_write_byte_data(client, regl, data->value & 0xff); \
+        up(&data->update_lock); \
+        return count; \
+}
+set_temp1(temp_low1, LM90_REG_W_LOCAL_LOW);
+set_temp2(temp_low2, LM90_REG_W_REMOTE_LOWH, LM90_REG_W_REMOTE_LOWL);
+set_temp1(temp_high1, LM90_REG_W_LOCAL_HIGH);
+set_temp2(temp_high2, LM90_REG_W_REMOTE_HIGHH, LM90_REG_W_REMOTE_HIGHL);
+set_temp1(temp_crit1, LM90_REG_W_LOCAL_CRIT);
+set_temp1(temp_crit2, LM90_REG_W_REMOTE_CRIT);
+
+#define show_temp_hyst(value, basereg) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm90_data *data = lm90_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP1_FROM_REG(data->basereg) \
+                       - TEMP1_FROM_REG(data->temp_hyst)); \
+}
+show_temp_hyst(temp_hyst1, temp_crit1);
+show_temp_hyst(temp_hyst2, temp_crit2);
+
+static ssize_t set_temp_hyst1(struct device *dev, const char *buf,
+        size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm90_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+        long hyst;
+
+        down(&data->update_lock);
+        hyst = TEMP1_FROM_REG(data->temp_crit1) - val;
+        i2c_smbus_write_byte_data(client, LM90_REG_W_TCRIT_HYST,
+                                  HYST_TO_REG(hyst));
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm90_data *data = lm90_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_low1,
+        set_temp_low1);
+static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2,
+        set_temp_low2);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_high1,
+        set_temp_high1);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2,
+        set_temp_high2);
+static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp_crit1,
+        set_temp_crit1);
+static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2,
+        set_temp_crit2);
+static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst1,
+        set_temp_hyst1);
+static DEVICE_ATTR(temp2_crit_hyst, S_IRUGO, show_temp_hyst2, NULL);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/*
+ * Real code
+ */
+
+static int lm90_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm90_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int lm90_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm90_data *data;
+        int err = 0;
+        const char *name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct lm90_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm90_data));
+
+        /* The common I2C client data is placed right before the
+           LM90-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm90_driver;
+        new_client->flags = 0;
+
+        /*
+         * Now we do the remaining detection. A negative kind means that
+         * the driver was loaded with no force parameter (default), so we
+         * must both detect and identify the chip. A zero kind means that
+         * the driver was loaded with the force parameter, the detection
+         * step shall be skipped. A positive kind means that the driver
+         * was loaded with the force parameter and a given kind of chip is
+         * requested, so both the detection and the identification steps
+         * are skipped.
+         */
+
+        /* Default to an LM90 if forced */
+        if (kind == 0)
+                kind = lm90;
+
+        if (kind < 0) { /* detection and identification */
+                u8 man_id, chip_id, reg_config1, reg_convrate;
+
+                man_id = i2c_smbus_read_byte_data(new_client,
+                         LM90_REG_R_MAN_ID);
+                chip_id = i2c_smbus_read_byte_data(new_client,
+                          LM90_REG_R_CHIP_ID);
+                reg_config1 = i2c_smbus_read_byte_data(new_client,
+                              LM90_REG_R_CONFIG1);
+                reg_convrate = i2c_smbus_read_byte_data(new_client,
+                               LM90_REG_R_CONVRATE);
+                
+                if (man_id == 0x01) { /* National Semiconductor */
+                        u8 reg_config2;
+
+                        reg_config2 = i2c_smbus_read_byte_data(new_client,
+                                      LM90_REG_R_CONFIG2);
+
+                        if ((reg_config1 & 0x2A) == 0x00
+                         && (reg_config2 & 0xF8) == 0x00
+                         && reg_convrate <= 0x09) {
+                                if (address == 0x4C
+                                 && (chip_id & 0xF0) == 0x20) { /* LM90 */
+                                        kind = lm90;
+                                } else
+                                if ((chip_id & 0xF0) == 0x30) { /* LM89/LM99 */
+                                        kind = lm99;
+                                } else
+                                if (address == 0x4C
+                                 && (chip_id & 0xF0) == 0x10) { /* LM86 */
+                                        kind = lm86;
+                                }
+                        }
+                } else
+                if (man_id == 0x41) { /* Analog Devices */
+                        if (address == 0x4C
+                         && (chip_id & 0xF0) == 0x40 /* ADM1032 */
+                         && (reg_config1 & 0x3F) == 0x00
+                         && reg_convrate <= 0x0A) {
+                                kind = adm1032;
+                        } else
+                        if (address == 0x4c
+                         && chip_id == 0x51 /* ADT7461 */
+                         && (reg_config1 & 0x1F) == 0x00 /* check compat mode */
+                         && reg_convrate <= 0x0A) {
+                                kind = adt7461;
+                        }
+                } else
+                if (man_id == 0x4D) { /* Maxim */
+                        /*
+                         * The Maxim variants do NOT have a chip_id register.
+                         * Reading from that address will return the last read
+                         * value, which in our case is those of the man_id
+                         * register. Likewise, the config1 register seems to
+                         * lack a low nibble, so the value will be those of the
+                         * previous read, so in our case those of the man_id
+                         * register.
+                         */
+                        if (chip_id == man_id
+                         && (reg_config1 & 0x1F) == (man_id & 0x0F)
+                         && reg_convrate <= 0x09) {
+                                kind = max6657;
+                        }
+                }
+
+                if (kind <= 0) { /* identification failed */
+                        dev_info(&adapter->dev,
+                            "Unsupported chip (man_id=0x%02X, "
+                            "chip_id=0x%02X).\n", man_id, chip_id);
+                        goto exit_free;
+                }
+        }
+
+        if (kind == lm90) {
+                name = "lm90";
+        } else if (kind == adm1032) {
+                name = "adm1032";
+        } else if (kind == lm99) {
+                name = "lm99";
+        } else if (kind == lm86) {
+                name = "lm86";
+        } else if (kind == max6657) {
+                name = "max6657";
+        } else if (kind == adt7461) {
+                name = "adt7461";
+        }
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        data->kind = kind;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the LM90 chip */
+        lm90_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static void lm90_init_client(struct i2c_client *client)
+{
+        u8 config;
+
+        /*
+         * Start the conversions.
+         */
+        i2c_smbus_write_byte_data(client, LM90_REG_W_CONVRATE,
+                                  5); /* 2 Hz */
+        config = i2c_smbus_read_byte_data(client, LM90_REG_R_CONFIG1);
+        if (config & 0x40)
+                i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
+                                          config & 0xBF); /* run */
+}
+
+static int lm90_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct lm90_data *lm90_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm90_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+                u8 oldh, newh;
+
+                dev_dbg(&client->dev, "Updating lm90 data.\n");
+                data->temp_input1 = i2c_smbus_read_byte_data(client,
+                                    LM90_REG_R_LOCAL_TEMP);
+                data->temp_high1 = i2c_smbus_read_byte_data(client,
+                                   LM90_REG_R_LOCAL_HIGH);
+                data->temp_low1 = i2c_smbus_read_byte_data(client,
+                                  LM90_REG_R_LOCAL_LOW);
+                data->temp_crit1 = i2c_smbus_read_byte_data(client,
+                                   LM90_REG_R_LOCAL_CRIT);
+                data->temp_crit2 = i2c_smbus_read_byte_data(client,
+                                   LM90_REG_R_REMOTE_CRIT);
+                data->temp_hyst = i2c_smbus_read_byte_data(client,
+                                  LM90_REG_R_TCRIT_HYST);
+
+                /*
+                 * There is a trick here. We have to read two registers to
+                 * have the remote sensor temperature, but we have to beware
+                 * a conversion could occur inbetween the readings. The
+                 * datasheet says we should either use the one-shot
+                 * conversion register, which we don't want to do (disables
+                 * hardware monitoring) or monitor the busy bit, which is
+                 * impossible (we can't read the values and monitor that bit
+                 * at the exact same time). So the solution used here is to
+                 * read the high byte once, then the low byte, then the high
+                 * byte again. If the new high byte matches the old one,
+                 * then we have a valid reading. Else we have to read the low
+                 * byte again, and now we believe we have a correct reading.
+                 */
+                oldh = i2c_smbus_read_byte_data(client,
+                       LM90_REG_R_REMOTE_TEMPH);
+                data->temp_input2 = i2c_smbus_read_byte_data(client,
+                                    LM90_REG_R_REMOTE_TEMPL);
+                newh = i2c_smbus_read_byte_data(client,
+                       LM90_REG_R_REMOTE_TEMPH);
+                if (newh != oldh) {
+                        data->temp_input2 = i2c_smbus_read_byte_data(client,
+                                            LM90_REG_R_REMOTE_TEMPL);
+#ifdef DEBUG
+                        oldh = i2c_smbus_read_byte_data(client,
+                               LM90_REG_R_REMOTE_TEMPH);
+                        /* oldh is actually newer */
+                        if (newh != oldh)
+                                dev_warn(&client->dev, "Remote temperature may be "
+                                         "wrong.\n");
+#endif
+                }
+                data->temp_input2 |= (newh << 8);
+
+                data->temp_high2 = (i2c_smbus_read_byte_data(client,
+                                   LM90_REG_R_REMOTE_HIGHH) << 8) +
+                                   i2c_smbus_read_byte_data(client,
+                                   LM90_REG_R_REMOTE_HIGHL);
+                data->temp_low2 = (i2c_smbus_read_byte_data(client,
+                                  LM90_REG_R_REMOTE_LOWH) << 8) +
+                                  i2c_smbus_read_byte_data(client,
+                                  LM90_REG_R_REMOTE_LOWL);
+                data->alarms = i2c_smbus_read_byte_data(client,
+                               LM90_REG_R_STATUS);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_lm90_init(void)
+{
+        return i2c_add_driver(&lm90_driver);
+}
+
+static void __exit sensors_lm90_exit(void)
+{
+        i2c_del_driver(&lm90_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("LM90/ADM1032 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm90_init);
+module_exit(sensors_lm90_exit);
diff --git a/drivers/i2c/chips/lm92.c b/drivers/i2c/chips/lm92.c
new file mode 100644
index 000000000000..fe6e83d70a72
--- /dev/null
+++ b/drivers/i2c/chips/lm92.c
@@ -0,0 +1,429 @@
+/*
+ * lm92 - Hardware monitoring driver
+ * Copyright (C) 2005  Jean Delvare <khali@linux-fr.org>
+ *
+ * Based on the lm90 driver, with some ideas taken from the lm_sensors
+ * lm92 driver as well.
+ *
+ * The LM92 is a sensor chip made by National Semiconductor. It reports
+ * its own temperature with a 0.0625 deg resolution and a 0.33 deg
+ * accuracy. Complete datasheet can be obtained from National's website
+ * at:
+ *   http://www.national.com/pf/LM/LM92.html
+ *
+ * This driver also supports the MAX6635 sensor chip made by Maxim.
+ * This chip is compatible with the LM92, but has a lesser accuracy
+ * (1.0 deg). Complete datasheet can be obtained from Maxim's website
+ * at:
+ *   http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3074
+ *
+ * Since the LM92 was the first chipset supported by this driver, most
+ * comments will refer to this chipset, but are actually general and
+ * concern all supported chipsets, unless mentioned otherwise.
+ *
+ * Support could easily be added for the National Semiconductor LM76
+ * and Maxim MAX6633 and MAX6634 chips, which are mostly compatible
+ * with the LM92.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+
+/* The LM92 and MAX6635 have 2 two-state pins for address selection,
+   resulting in 4 possible addresses. */
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b,
+                                       I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(lm92);
+
+/* The LM92 registers */
+#define LM92_REG_CONFIG                 0x01 /* 8-bit, RW */
+#define LM92_REG_TEMP                   0x00 /* 16-bit, RO */
+#define LM92_REG_TEMP_HYST              0x02 /* 16-bit, RW */
+#define LM92_REG_TEMP_CRIT              0x03 /* 16-bit, RW */
+#define LM92_REG_TEMP_LOW               0x04 /* 16-bit, RW */
+#define LM92_REG_TEMP_HIGH              0x05 /* 16-bit, RW */
+#define LM92_REG_MAN_ID                 0x07 /* 16-bit, RO, LM92 only */
+
+/* The LM92 uses signed 13-bit values with LSB = 0.0625 degree Celsius,
+   left-justified in 16-bit registers. No rounding is done, with such
+   a resolution it's just not worth it. Note that the MAX6635 doesn't
+   make use of the 4 lower bits for limits (i.e. effective resolution
+   for limits is 1 degree Celsius). */
+static inline int TEMP_FROM_REG(s16 reg)
+{
+        return reg / 8 * 625 / 10;
+}
+
+static inline s16 TEMP_TO_REG(int val)
+{
+        if (val <= -60000)
+                return -60000 * 10 / 625 * 8;
+        if (val >= 160000)
+                return 160000 * 10 / 625 * 8;
+        return val * 10 / 625 * 8;
+}
+
+/* Alarm flags are stored in the 3 LSB of the temperature register */
+static inline u8 ALARMS_FROM_REG(s16 reg)
+{
+        return reg & 0x0007;
+}
+
+/* Driver data (common to all clients) */
+static struct i2c_driver lm92_driver;
+
+/* Client data (each client gets its own) */
+struct lm92_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* registers values */
+        s16 temp1_input, temp1_crit, temp1_min, temp1_max, temp1_hyst;
+};
+
+
+/*
+ * Sysfs attributes and callback functions
+ */
+
+static struct lm92_data *lm92_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm92_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ)
+         || !data->valid) {
+                dev_dbg(&client->dev, "Updating lm92 data\n");
+                data->temp1_input = swab16(i2c_smbus_read_word_data(client,
+                                    LM92_REG_TEMP));
+                data->temp1_hyst = swab16(i2c_smbus_read_word_data(client,
+                                    LM92_REG_TEMP_HYST));
+                data->temp1_crit = swab16(i2c_smbus_read_word_data(client,
+                                    LM92_REG_TEMP_CRIT));
+                data->temp1_min = swab16(i2c_smbus_read_word_data(client,
+                                    LM92_REG_TEMP_LOW));
+                data->temp1_max = swab16(i2c_smbus_read_word_data(client,
+                                    LM92_REG_TEMP_HIGH));
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+#define show_temp(value) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct lm92_data *data = lm92_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+}
+show_temp(temp1_input);
+show_temp(temp1_crit);
+show_temp(temp1_min);
+show_temp(temp1_max);
+
+#define set_temp(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct lm92_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP_TO_REG(val); \
+        i2c_smbus_write_word_data(client, reg, swab16(data->value)); \
+        up(&data->update_lock); \
+        return count; \
+}
+set_temp(temp1_crit, LM92_REG_TEMP_CRIT);
+set_temp(temp1_min, LM92_REG_TEMP_LOW);
+set_temp(temp1_max, LM92_REG_TEMP_HIGH);
+
+static ssize_t show_temp1_crit_hyst(struct device *dev, char *buf)
+{
+        struct lm92_data *data = lm92_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_crit)
+                       - TEMP_FROM_REG(data->temp1_hyst));
+}
+static ssize_t show_temp1_max_hyst(struct device *dev, char *buf)
+{
+        struct lm92_data *data = lm92_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_max)
+                       - TEMP_FROM_REG(data->temp1_hyst));
+}
+static ssize_t show_temp1_min_hyst(struct device *dev, char *buf)
+{
+        struct lm92_data *data = lm92_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp1_min)
+                       + TEMP_FROM_REG(data->temp1_hyst));
+}
+
+static ssize_t set_temp1_crit_hyst(struct device *dev, const char *buf,
+        size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct lm92_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp1_hyst = TEMP_FROM_REG(data->temp1_crit) - val;
+        i2c_smbus_write_word_data(client, LM92_REG_TEMP_HYST,
+                                  swab16(TEMP_TO_REG(data->temp1_hyst)));
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct lm92_data *data = lm92_update_device(dev);
+        return sprintf(buf, "%d\n", ALARMS_FROM_REG(data->temp1_input));
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp1_input, NULL);
+static DEVICE_ATTR(temp1_crit, S_IWUSR | S_IRUGO, show_temp1_crit,
+        set_temp1_crit);
+static DEVICE_ATTR(temp1_crit_hyst, S_IWUSR | S_IRUGO, show_temp1_crit_hyst,
+        set_temp1_crit_hyst);
+static DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp1_min,
+        set_temp1_min);
+static DEVICE_ATTR(temp1_min_hyst, S_IRUGO, show_temp1_min_hyst, NULL);
+static DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp1_max,
+        set_temp1_max);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO, show_temp1_max_hyst, NULL);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+
+/*
+ * Detection and registration
+ */
+
+static void lm92_init_client(struct i2c_client *client)
+{
+        u8 config;
+
+        /* Start the conversions if needed */
+        config = i2c_smbus_read_byte_data(client, LM92_REG_CONFIG);
+        if (config & 0x01)
+                i2c_smbus_write_byte_data(client, LM92_REG_CONFIG,
+                                          config & 0xFE);
+}
+
+/* The MAX6635 has no identification register, so we have to use tricks
+   to identify it reliably. This is somewhat slow.
+   Note that we do NOT rely on the 2 MSB of the configuration register
+   always reading 0, as suggested by the datasheet, because it was once
+   reported not to be true. */
+static int max6635_check(struct i2c_client *client)
+{
+        u16 temp_low, temp_high, temp_hyst, temp_crit;
+        u8 conf;
+        int i;
+
+        /* No manufacturer ID register, so a read from this address will
+           always return the last read value. */
+        temp_low = i2c_smbus_read_word_data(client, LM92_REG_TEMP_LOW);
+        if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_low)
+                return 0;
+        temp_high = i2c_smbus_read_word_data(client, LM92_REG_TEMP_HIGH);
+        if (i2c_smbus_read_word_data(client, LM92_REG_MAN_ID) != temp_high)
+                return 0;
+        
+        /* Limits are stored as integer values (signed, 9-bit). */
+        if ((temp_low & 0x7f00) || (temp_high & 0x7f00))
+                return 0;
+        temp_hyst = i2c_smbus_read_word_data(client, LM92_REG_TEMP_HYST);
+        temp_crit = i2c_smbus_read_word_data(client, LM92_REG_TEMP_CRIT);
+        if ((temp_hyst & 0x7f00) || (temp_crit & 0x7f00))
+                return 0;
+
+        /* Registers addresses were found to cycle over 16-byte boundaries.
+           We don't test all registers with all offsets so as to save some
+           reads and time, but this should still be sufficient to dismiss
+           non-MAX6635 chips. */
+        conf = i2c_smbus_read_byte_data(client, LM92_REG_CONFIG);
+        for (i=16; i<96; i*=2) {
+                if (temp_hyst != i2c_smbus_read_word_data(client,
+                                 LM92_REG_TEMP_HYST + i - 16)
+                 || temp_crit != i2c_smbus_read_word_data(client,
+                                 LM92_REG_TEMP_CRIT + i)
+                 || temp_low != i2c_smbus_read_word_data(client,
+                                LM92_REG_TEMP_LOW + i + 16)
+                 || temp_high != i2c_smbus_read_word_data(client,
+                                 LM92_REG_TEMP_HIGH + i + 32)
+                 || conf != i2c_smbus_read_byte_data(client,
+                            LM92_REG_CONFIG + i))
+                        return 0;
+        }
+
+        return 1;
+}
+
+/* The following function does more than just detection. If detection
+   succeeds, it also registers the new chip. */
+static int lm92_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct lm92_data *data;
+        int err = 0;
+        char *name;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA
+                                            | I2C_FUNC_SMBUS_WORD_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct lm92_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct lm92_data));
+
+        /* Fill in enough client fields so that we can read from the chip,
+           which is required for identication */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &lm92_driver;
+        new_client->flags = 0;
+
+        /* A negative kind means that the driver was loaded with no force
+           parameter (default), so we must identify the chip. */
+        if (kind < 0) {
+                u8 config = i2c_smbus_read_byte_data(new_client,
+                             LM92_REG_CONFIG);
+                u16 man_id = i2c_smbus_read_word_data(new_client,
+                             LM92_REG_MAN_ID);
+
+                if ((config & 0xe0) == 0x00
+                 && man_id == 0x0180) {
+                        pr_info("lm92: Found National Semiconductor LM92 chip\n");
+                        kind = lm92;
+                } else
+                if (max6635_check(new_client)) {
+                        pr_info("lm92: Found Maxim MAX6635 chip\n");
+                        kind = lm92; /* No separate prefix */
+                }
+                else
+                        goto exit_free;
+        } else
+        if (kind == 0) /* Default to an LM92 if forced */
+                kind = lm92;
+
+        /* Give it the proper name */
+        if (kind == lm92) {
+                name = "lm92";
+        } else { /* Supposedly cannot happen */
+                dev_dbg(&new_client->dev, "Kind out of range?\n");
+                goto exit_free;
+        }
+
+        /* Fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the i2c subsystem a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the chipset */
+        lm92_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp1_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min);
+        device_create_file(&new_client->dev, &dev_attr_temp1_min_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int lm92_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, lm92_detect);
+}
+
+static int lm92_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+
+/*
+ * Module and driver stuff
+ */
+
+static struct i2c_driver lm92_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "lm92",
+        .id             = I2C_DRIVERID_LM92,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = lm92_attach_adapter,
+        .detach_client  = lm92_detach_client,
+};
+
+static int __init sensors_lm92_init(void)
+{
+        return i2c_add_driver(&lm92_driver);
+}
+
+static void __exit sensors_lm92_exit(void)
+{
+        i2c_del_driver(&lm92_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("LM92/MAX6635 driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_lm92_init);
+module_exit(sensors_lm92_exit);
diff --git a/drivers/i2c/chips/m41t00.c b/drivers/i2c/chips/m41t00.c
new file mode 100644
index 000000000000..e771566dffa8
--- /dev/null
+++ b/drivers/i2c/chips/m41t00.c
@@ -0,0 +1,246 @@
+/*
+ * drivers/i2c/chips/m41t00.c
+ *
+ * I2C client/driver for the ST M41T00 Real-Time Clock chip.
+ *
+ * Author: Mark A. Greer <mgreer@mvista.com>
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+/*
+ * This i2c client/driver wedges between the drivers/char/genrtc.c RTC
+ * interface and the SMBus interface of the i2c subsystem.
+ * It would be more efficient to use i2c msgs/i2c_transfer directly but, as
+ * recommened in .../Documentation/i2c/writing-clients section
+ * "Sending and receiving", using SMBus level communication is preferred.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+
+#include <asm/time.h>
+#include <asm/rtc.h>
+
+#define M41T00_DRV_NAME         "m41t00"
+
+static DECLARE_MUTEX(m41t00_mutex);
+
+static struct i2c_driver m41t00_driver;
+static struct i2c_client *save_client;
+
+static unsigned short ignore[] = { I2C_CLIENT_END };
+static unsigned short normal_addr[] = { 0x68, I2C_CLIENT_END };
+
+static struct i2c_client_address_data addr_data = {
+        .normal_i2c             = normal_addr,
+        .normal_i2c_range       = ignore,
+        .probe                  = ignore,
+        .probe_range            = ignore,
+        .ignore                 = ignore,
+        .ignore_range           = ignore,
+        .force                  = ignore,
+};
+
+ulong
+m41t00_get_rtc_time(void)
+{
+        s32     sec, min, hour, day, mon, year;
+        s32     sec1, min1, hour1, day1, mon1, year1;
+        ulong   limit = 10;
+
+        sec = min = hour = day = mon = year = 0;
+        sec1 = min1 = hour1 = day1 = mon1 = year1 = 0;
+
+        down(&m41t00_mutex);
+        do {
+                if (((sec = i2c_smbus_read_byte_data(save_client, 0)) >= 0)
+                        && ((min = i2c_smbus_read_byte_data(save_client, 1))
+                                >= 0)
+                        && ((hour = i2c_smbus_read_byte_data(save_client, 2))
+                                >= 0)
+                        && ((day = i2c_smbus_read_byte_data(save_client, 4))
+                                >= 0)
+                        && ((mon = i2c_smbus_read_byte_data(save_client, 5))
+                                >= 0)
+                        && ((year = i2c_smbus_read_byte_data(save_client, 6))
+                                >= 0)
+                        && ((sec == sec1) && (min == min1) && (hour == hour1)
+                                && (day == day1) && (mon == mon1)
+                                && (year == year1)))
+
+                                break;
+
+                sec1 = sec;
+                min1 = min;
+                hour1 = hour;
+                day1 = day;
+                mon1 = mon;
+                year1 = year;
+        } while (--limit > 0);
+        up(&m41t00_mutex);
+
+        if (limit == 0) {
+                dev_warn(&save_client->dev,
+                        "m41t00: can't read rtc chip\n");
+                sec = min = hour = day = mon = year = 0;
+        }
+
+        sec &= 0x7f;
+        min &= 0x7f;
+        hour &= 0x3f;
+        day &= 0x3f;
+        mon &= 0x1f;
+        year &= 0xff;
+
+        BCD_TO_BIN(sec);
+        BCD_TO_BIN(min);
+        BCD_TO_BIN(hour);
+        BCD_TO_BIN(day);
+        BCD_TO_BIN(mon);
+        BCD_TO_BIN(year);
+
+        year += 1900;
+        if (year < 1970)
+                year += 100;
+
+        return mktime(year, mon, day, hour, min, sec);
+}
+
+static void
+m41t00_set_tlet(ulong arg)
+{
+        struct rtc_time tm;
+        ulong   nowtime = *(ulong *)arg;
+
+        to_tm(nowtime, &tm);
+        tm.tm_year = (tm.tm_year - 1900) % 100;
+
+        BIN_TO_BCD(tm.tm_sec);
+        BIN_TO_BCD(tm.tm_min);
+        BIN_TO_BCD(tm.tm_hour);
+        BIN_TO_BCD(tm.tm_mon);
+        BIN_TO_BCD(tm.tm_mday);
+        BIN_TO_BCD(tm.tm_year);
+
+        down(&m41t00_mutex);
+        if ((i2c_smbus_write_byte_data(save_client, 0, tm.tm_sec & 0x7f) < 0)
+                || (i2c_smbus_write_byte_data(save_client, 1, tm.tm_min & 0x7f)
+                        < 0)
+                || (i2c_smbus_write_byte_data(save_client, 2, tm.tm_hour & 0x7f)
+                        < 0)
+                || (i2c_smbus_write_byte_data(save_client, 4, tm.tm_mday & 0x7f)
+                        < 0)
+                || (i2c_smbus_write_byte_data(save_client, 5, tm.tm_mon & 0x7f)
+                        < 0)
+                || (i2c_smbus_write_byte_data(save_client, 6, tm.tm_year & 0x7f)
+                        < 0))
+
+                dev_warn(&save_client->dev,"m41t00: can't write to rtc chip\n");
+
+        up(&m41t00_mutex);
+        return;
+}
+
+ulong   new_time;
+
+DECLARE_TASKLET_DISABLED(m41t00_tasklet, m41t00_set_tlet, (ulong)&new_time);
+
+int
+m41t00_set_rtc_time(ulong nowtime)
+{
+        new_time = nowtime;
+
+        if (in_interrupt())
+                tasklet_schedule(&m41t00_tasklet);
+        else
+                m41t00_set_tlet((ulong)&new_time);
+
+        return 0;
+}
+
+/*
+ *****************************************************************************
+ *
+ *      Driver Interface
+ *
+ *****************************************************************************
+ */
+static int
+m41t00_probe(struct i2c_adapter *adap, int addr, int kind)
+{
+        struct i2c_client *client;
+        int rc;
+
+        client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        if (!client)
+                return -ENOMEM;
+
+        memset(client, 0, sizeof(struct i2c_client));
+        strncpy(client->name, M41T00_DRV_NAME, I2C_NAME_SIZE);
+        client->flags = I2C_DF_NOTIFY;
+        client->addr = addr;
+        client->adapter = adap;
+        client->driver = &m41t00_driver;
+
+        if ((rc = i2c_attach_client(client)) != 0) {
+                kfree(client);
+                return rc;
+        }
+
+        save_client = client;
+        return 0;
+}
+
+static int
+m41t00_attach(struct i2c_adapter *adap)
+{
+        return i2c_probe(adap, &addr_data, m41t00_probe);
+}
+
+static int
+m41t00_detach(struct i2c_client *client)
+{
+        int     rc;
+
+        if ((rc = i2c_detach_client(client)) == 0) {
+                kfree(i2c_get_clientdata(client));
+                tasklet_kill(&m41t00_tasklet);
+        }
+        return rc;
+}
+
+static struct i2c_driver m41t00_driver = {
+        .owner          = THIS_MODULE,
+        .name           = M41T00_DRV_NAME,
+        .id             = I2C_DRIVERID_STM41T00,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = m41t00_attach,
+        .detach_client  = m41t00_detach,
+};
+
+static int __init
+m41t00_init(void)
+{
+        return i2c_add_driver(&m41t00_driver);
+}
+
+static void __exit
+m41t00_exit(void)
+{
+        i2c_del_driver(&m41t00_driver);
+        return;
+}
+
+module_init(m41t00_init);
+module_exit(m41t00_exit);
+
+MODULE_AUTHOR("Mark A. Greer <mgreer@mvista.com>");
+MODULE_DESCRIPTION("ST Microelectronics M41T00 RTC I2C Client Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/chips/max1619.c b/drivers/i2c/chips/max1619.c
new file mode 100644
index 000000000000..5afa961a5e10
--- /dev/null
+++ b/drivers/i2c/chips/max1619.c
@@ -0,0 +1,373 @@
+/*
+ * max1619.c - Part of lm_sensors, Linux kernel modules for hardware
+ *             monitoring
+ * Copyright (C) 2003-2004 Alexey Fisher <fishor@mail.ru>
+ *                         Jean Delvare <khali@linux-fr.org>
+ *
+ * Based on the lm90 driver. The MAX1619 is a sensor chip made by Maxim.
+ * It reports up to two temperatures (its own plus up to
+ * one external one). Complete datasheet can be
+ * obtained from Maxim's website at:
+ *   http://pdfserv.maxim-ic.com/en/ds/MAX1619.pdf
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+
+static unsigned short normal_i2c[] = { 0x18, 0x19, 0x1a,
+                                        0x29, 0x2a, 0x2b,
+                                        0x4c, 0x4d, 0x4e,
+                                        I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(max1619);
+
+/*
+ * The MAX1619 registers
+ */
+
+#define MAX1619_REG_R_MAN_ID            0xFE
+#define MAX1619_REG_R_CHIP_ID           0xFF
+#define MAX1619_REG_R_CONFIG            0x03
+#define MAX1619_REG_W_CONFIG            0x09
+#define MAX1619_REG_R_CONVRATE          0x04
+#define MAX1619_REG_W_CONVRATE          0x0A
+#define MAX1619_REG_R_STATUS            0x02
+#define MAX1619_REG_R_LOCAL_TEMP        0x00
+#define MAX1619_REG_R_REMOTE_TEMP       0x01
+#define MAX1619_REG_R_REMOTE_HIGH       0x07
+#define MAX1619_REG_W_REMOTE_HIGH       0x0D
+#define MAX1619_REG_R_REMOTE_LOW        0x08
+#define MAX1619_REG_W_REMOTE_LOW        0x0E
+#define MAX1619_REG_R_REMOTE_CRIT       0x10
+#define MAX1619_REG_W_REMOTE_CRIT       0x12
+#define MAX1619_REG_R_TCRIT_HYST        0x11
+#define MAX1619_REG_W_TCRIT_HYST        0x13
+
+/*
+ * Conversions and various macros
+ */
+
+#define TEMP_FROM_REG(val)      ((val & 0x80 ? val-0x100 : val) * 1000)
+#define TEMP_TO_REG(val)        ((val < 0 ? val+0x100*1000 : val) / 1000)
+
+/*
+ * Functions declaration
+ */
+
+static int max1619_attach_adapter(struct i2c_adapter *adapter);
+static int max1619_detect(struct i2c_adapter *adapter, int address,
+        int kind);
+static void max1619_init_client(struct i2c_client *client);
+static int max1619_detach_client(struct i2c_client *client);
+static struct max1619_data *max1619_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver max1619_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "max1619",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = max1619_attach_adapter,
+        .detach_client  = max1619_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct max1619_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* registers values */
+        u8 temp_input1; /* local */
+        u8 temp_input2, temp_low2, temp_high2; /* remote */
+        u8 temp_crit2;
+        u8 temp_hyst2;
+        u8 alarms; 
+};
+
+/*
+ * Sysfs stuff
+ */
+
+#define show_temp(value) \
+static ssize_t show_##value(struct device *dev, char *buf) \
+{ \
+        struct max1619_data *data = max1619_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \
+}
+show_temp(temp_input1);
+show_temp(temp_input2);
+show_temp(temp_low2);
+show_temp(temp_high2);
+show_temp(temp_crit2);
+show_temp(temp_hyst2);
+
+#define set_temp2(value, reg) \
+static ssize_t set_##value(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct max1619_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->value = TEMP_TO_REG(val); \
+        i2c_smbus_write_byte_data(client, reg, data->value); \
+        up(&data->update_lock); \
+        return count; \
+}
+
+set_temp2(temp_low2, MAX1619_REG_W_REMOTE_LOW);
+set_temp2(temp_high2, MAX1619_REG_W_REMOTE_HIGH);
+set_temp2(temp_crit2, MAX1619_REG_W_REMOTE_CRIT);
+set_temp2(temp_hyst2, MAX1619_REG_W_TCRIT_HYST);
+
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct max1619_data *data = max1619_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp_input1, NULL);
+static DEVICE_ATTR(temp2_input, S_IRUGO, show_temp_input2, NULL);
+static DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_low2,
+        set_temp_low2);
+static DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_high2,
+        set_temp_high2);
+static DEVICE_ATTR(temp2_crit, S_IWUSR | S_IRUGO, show_temp_crit2,
+        set_temp_crit2);
+static DEVICE_ATTR(temp2_crit_hyst, S_IWUSR | S_IRUGO, show_temp_hyst2,
+        set_temp_hyst2);
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+
+/*
+ * Real code
+ */
+
+static int max1619_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, max1619_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int max1619_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct max1619_data *data;
+        int err = 0;
+        const char *name = "";  
+        u8 reg_config=0, reg_convrate=0, reg_status=0;
+        u8 man_id, chip_id;
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct max1619_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct max1619_data));
+
+        /* The common I2C client data is placed right before the
+           MAX1619-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &max1619_driver;
+        new_client->flags = 0;
+
+        /*
+         * Now we do the remaining detection. A negative kind means that
+         * the driver was loaded with no force parameter (default), so we
+         * must both detect and identify the chip. A zero kind means that
+         * the driver was loaded with the force parameter, the detection
+         * step shall be skipped. A positive kind means that the driver
+         * was loaded with the force parameter and a given kind of chip is
+         * requested, so both the detection and the identification steps
+         * are skipped.
+         */
+        if (kind < 0) { /* detection */
+                reg_config = i2c_smbus_read_byte_data(new_client,
+                              MAX1619_REG_R_CONFIG);
+                reg_convrate = i2c_smbus_read_byte_data(new_client,
+                               MAX1619_REG_R_CONVRATE);
+                reg_status = i2c_smbus_read_byte_data(new_client,
+                                MAX1619_REG_R_STATUS);
+                if ((reg_config & 0x03) != 0x00
+                 || reg_convrate > 0x07 || (reg_status & 0x61 ) !=0x00) {
+                        dev_dbg(&adapter->dev,
+                                "MAX1619 detection failed at 0x%02x.\n",
+                                address);
+                        goto exit_free;
+                }
+        }
+
+        if (kind <= 0) { /* identification */
+        
+                man_id = i2c_smbus_read_byte_data(new_client,
+                         MAX1619_REG_R_MAN_ID);
+                chip_id = i2c_smbus_read_byte_data(new_client,
+                          MAX1619_REG_R_CHIP_ID);
+                
+                if ((man_id == 0x4D) && (chip_id == 0x04)){  
+                                kind = max1619;
+                        }
+                }
+
+                if (kind <= 0) { /* identification failed */
+                        dev_info(&adapter->dev,
+                            "Unsupported chip (man_id=0x%02X, "
+                            "chip_id=0x%02X).\n", man_id, chip_id);
+                        goto exit_free;
+                }
+        
+
+        if (kind == max1619){
+                name = "max1619";
+        }
+
+        /* We can fill in the remaining client fields */
+        strlcpy(new_client->name, name, I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+
+        /* Initialize the MAX1619 chip */
+        max1619_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_min);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+        device_create_file(&new_client->dev, &dev_attr_temp2_crit_hyst);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static void max1619_init_client(struct i2c_client *client)
+{
+        u8 config;
+
+        /*
+         * Start the conversions.
+         */
+        i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONVRATE,
+                                  5); /* 2 Hz */
+        config = i2c_smbus_read_byte_data(client, MAX1619_REG_R_CONFIG);
+        if (config & 0x40)
+                i2c_smbus_write_byte_data(client, MAX1619_REG_W_CONFIG,
+                                          config & 0xBF); /* run */
+}
+
+static int max1619_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static struct max1619_data *max1619_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct max1619_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+                dev_dbg(&client->dev, "Updating max1619 data.\n");
+                data->temp_input1 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_LOCAL_TEMP);
+                data->temp_input2 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_REMOTE_TEMP);
+                data->temp_high2 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_REMOTE_HIGH);
+                data->temp_low2 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_REMOTE_LOW);
+                data->temp_crit2 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_REMOTE_CRIT);
+                data->temp_hyst2 = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_TCRIT_HYST);
+                data->alarms = i2c_smbus_read_byte_data(client,
+                                        MAX1619_REG_R_STATUS);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_max1619_init(void)
+{
+        return i2c_add_driver(&max1619_driver);
+}
+
+static void __exit sensors_max1619_exit(void)
+{
+        i2c_del_driver(&max1619_driver);
+}
+
+MODULE_AUTHOR("Alexey Fisher <fishor@mail.ru> and"
+        "Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("MAX1619 sensor driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_max1619_init);
+module_exit(sensors_max1619_exit);
diff --git a/drivers/i2c/chips/pc87360.c b/drivers/i2c/chips/pc87360.c
new file mode 100644
index 000000000000..6d94c36c9218
--- /dev/null
+++ b/drivers/i2c/chips/pc87360.c
@@ -0,0 +1,1349 @@
+/*
+ *  pc87360.c - Part of lm_sensors, Linux kernel modules
+ *              for hardware monitoring
+ *  Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+ *
+ *  Copied from smsc47m1.c:
+ *  Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *  Supports the following chips:
+ *
+ *  Chip        #vin    #fan    #pwm    #temp   devid
+ *  PC87360     -       2       2       -       0xE1
+ *  PC87363     -       2       2       -       0xE8
+ *  PC87364     -       3       3       -       0xE4
+ *  PC87365     11      3       3       2       0xE5
+ *  PC87366     11      3       3       3-4     0xE9
+ *
+ *  This driver assumes that no more than one chip is present, and one of
+ *  the standard Super-I/O addresses is used (0x2E/0x2F or 0x4E/0x4F).
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+#include <asm/io.h>
+
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
+static struct i2c_force_data forces[] = {{ NULL }};
+static u8 devid;
+static unsigned int extra_isa[3];
+static u8 confreg[4];
+
+enum chips { any_chip, pc87360, pc87363, pc87364, pc87365, pc87366 };
+static struct i2c_address_data addr_data = {
+        .normal_i2c             = normal_i2c,
+        .normal_isa             = normal_isa,
+        .forces                 = forces,
+};
+
+static int init = 1;
+module_param(init, int, 0);
+MODULE_PARM_DESC(init,
+ "Chip initialization level:\n"
+ " 0: None\n"
+ "*1: Forcibly enable internal voltage and temperature channels, except in9\n"
+ " 2: Forcibly enable all voltage and temperature channels, except in9\n"
+ " 3: Forcibly enable all voltage and temperature channels, including in9");
+
+/*
+ * Super-I/O registers and operations
+ */
+
+#define DEV     0x07    /* Register: Logical device select */
+#define DEVID   0x20    /* Register: Device ID */
+#define ACT     0x30    /* Register: Device activation */
+#define BASE    0x60    /* Register: Base address */
+
+#define FSCM    0x09    /* Logical device: fans */
+#define VLM     0x0d    /* Logical device: voltages */
+#define TMS     0x0e    /* Logical device: temperatures */
+static const u8 logdev[3] = { FSCM, VLM, TMS };
+
+#define LD_FAN          0
+#define LD_IN           1
+#define LD_TEMP         2
+
+static inline void superio_outb(int sioaddr, int reg, int val)
+{
+        outb(reg, sioaddr);
+        outb(val, sioaddr+1);
+}
+
+static inline int superio_inb(int sioaddr, int reg)
+{
+        outb(reg, sioaddr);
+        return inb(sioaddr+1);
+}
+
+static inline void superio_exit(int sioaddr)
+{
+        outb(0x02, sioaddr);
+        outb(0x02, sioaddr+1);
+}
+
+/*
+ * Logical devices
+ */
+
+#define PC87360_EXTENT          0x10
+#define PC87365_REG_BANK        0x09
+#define NO_BANK                 0xff
+
+/*
+ * Fan registers and conversions
+ */
+
+/* nr has to be 0 or 1 (PC87360/87363) or 2 (PC87364/87365/87366) */
+#define PC87360_REG_PRESCALE(nr)        (0x00 + 2 * (nr))
+#define PC87360_REG_PWM(nr)             (0x01 + 2 * (nr))
+#define PC87360_REG_FAN_MIN(nr)         (0x06 + 3 * (nr))
+#define PC87360_REG_FAN(nr)             (0x07 + 3 * (nr))
+#define PC87360_REG_FAN_STATUS(nr)      (0x08 + 3 * (nr))
+
+#define FAN_FROM_REG(val,div)           ((val) == 0 ? 0: \
+                                         480000 / ((val)*(div)))
+#define FAN_TO_REG(val,div)             ((val) <= 100 ? 0 : \
+                                         480000 / ((val)*(div)))
+#define FAN_DIV_FROM_REG(val)           (1 << ((val >> 5) & 0x03))
+#define FAN_STATUS_FROM_REG(val)        ((val) & 0x07)
+
+#define FAN_CONFIG_MONITOR(val,nr)      (((val) >> (2 + nr * 3)) & 1)
+#define FAN_CONFIG_CONTROL(val,nr)      (((val) >> (3 + nr * 3)) & 1)
+#define FAN_CONFIG_INVERT(val,nr)       (((val) >> (4 + nr * 3)) & 1)
+
+#define PWM_FROM_REG(val,inv)           ((inv) ? 255 - (val) : (val))
+static inline u8 PWM_TO_REG(int val, int inv)
+{
+        if (inv)
+                val = 255 - val;
+        if (val < 0)
+                return 0;
+        if (val > 255)
+                return 255;
+        return val;
+}
+
+/*
+ * Voltage registers and conversions
+ */
+
+#define PC87365_REG_IN_CONVRATE         0x07
+#define PC87365_REG_IN_CONFIG           0x08
+#define PC87365_REG_IN                  0x0B
+#define PC87365_REG_IN_MIN              0x0D
+#define PC87365_REG_IN_MAX              0x0C
+#define PC87365_REG_IN_STATUS           0x0A
+#define PC87365_REG_IN_ALARMS1          0x00
+#define PC87365_REG_IN_ALARMS2          0x01
+#define PC87365_REG_VID                 0x06
+
+#define IN_FROM_REG(val,ref)            (((val) * (ref) + 128) / 256)
+#define IN_TO_REG(val,ref)              ((val) < 0 ? 0 : \
+                                         (val)*256 >= (ref)*255 ? 255: \
+                                         ((val) * 256 + (ref)/2) / (ref))
+
+/*
+ * Temperature registers and conversions
+ */
+
+#define PC87365_REG_TEMP_CONFIG         0x08
+#define PC87365_REG_TEMP                0x0B
+#define PC87365_REG_TEMP_MIN            0x0D
+#define PC87365_REG_TEMP_MAX            0x0C
+#define PC87365_REG_TEMP_CRIT           0x0E
+#define PC87365_REG_TEMP_STATUS         0x0A
+#define PC87365_REG_TEMP_ALARMS         0x00
+
+#define TEMP_FROM_REG(val)              ((val) * 1000)
+#define TEMP_TO_REG(val)                ((val) < -55000 ? -55 : \
+                                         (val) > 127000 ? 127 : \
+                                         (val) < 0 ? ((val) - 500) / 1000 : \
+                                         ((val) + 500) / 1000)
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct pc87360_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        int address[3];
+
+        u8 fannr, innr, tempnr;
+
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        u8 fan_status[3];       /* Register value */
+        u8 pwm[3];              /* Register value */
+        u16 fan_conf;           /* Configuration register values, combined */
+
+        u16 in_vref;            /* 1 mV/bit */
+        u8 in[14];              /* Register value */
+        u8 in_min[14];          /* Register value */
+        u8 in_max[14];          /* Register value */
+        u8 in_crit[3];          /* Register value */
+        u8 in_status[14];       /* Register value */
+        u16 in_alarms;          /* Register values, combined, masked */
+        u8 vid_conf;            /* Configuration register value */
+        u8 vrm;
+        u8 vid;                 /* Register value */
+
+        s8 temp[3];             /* Register value */
+        s8 temp_min[3];         /* Register value */
+        s8 temp_max[3];         /* Register value */
+        s8 temp_crit[3];        /* Register value */
+        u8 temp_status[3];      /* Register value */
+        u8 temp_alarms;         /* Register value, masked */
+};
+
+/*
+ * Functions declaration
+ */
+
+static int pc87360_attach_adapter(struct i2c_adapter *adapter);
+static int pc87360_detect(struct i2c_adapter *adapter, int address, int kind);
+static int pc87360_detach_client(struct i2c_client *client);
+
+static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
+                              u8 reg);
+static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
+                                u8 reg, u8 value);
+static void pc87360_init_client(struct i2c_client *client, int use_thermistors);
+static struct pc87360_data *pc87360_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+
+static struct i2c_driver pc87360_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "pc87360",
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = pc87360_attach_adapter,
+        .detach_client  = pc87360_detach_client,
+};
+
+/*
+ * Sysfs stuff
+ */
+
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        long fan_min = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        fan_min = FAN_TO_REG(fan_min, FAN_DIV_FROM_REG(data->fan_status[nr]));
+
+        /* If it wouldn't fit, change clock divisor */
+        while (fan_min > 255
+            && (data->fan_status[nr] & 0x60) != 0x60) {
+                fan_min >>= 1;
+                data->fan[nr] >>= 1;
+                data->fan_status[nr] += 0x20;
+        }
+        data->fan_min[nr] = fan_min > 255 ? 255 : fan_min;
+        pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_MIN(nr),
+                            data->fan_min[nr]);
+
+        /* Write new divider, preserve alarm bits */
+        pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_FAN_STATUS(nr),
+                            data->fan_status[nr] & 0xF9);
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define show_and_set_fan(offset) \
+static ssize_t show_fan##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan[offset-1], \
+                       FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
+} \
+static ssize_t show_fan##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", FAN_FROM_REG(data->fan_min[offset-1], \
+                       FAN_DIV_FROM_REG(data->fan_status[offset-1]))); \
+} \
+static ssize_t show_fan##offset##_div(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", \
+                       FAN_DIV_FROM_REG(data->fan_status[offset-1])); \
+} \
+static ssize_t show_fan##offset##_status(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", \
+                       FAN_STATUS_FROM_REG(data->fan_status[offset-1])); \
+} \
+static ssize_t set_fan##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        return set_fan_min(dev, buf, count, offset-1); \
+} \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, \
+        show_fan##offset##_input, NULL); \
+static DEVICE_ATTR(fan##offset##_min, S_IWUSR | S_IRUGO, \
+        show_fan##offset##_min, set_fan##offset##_min); \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO, \
+        show_fan##offset##_div, NULL); \
+static DEVICE_ATTR(fan##offset##_status, S_IRUGO, \
+        show_fan##offset##_status, NULL);
+show_and_set_fan(1)
+show_and_set_fan(2)
+show_and_set_fan(3)
+
+#define show_and_set_pwm(offset) \
+static ssize_t show_pwm##offset(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", \
+                       PWM_FROM_REG(data->pwm[offset-1], \
+                                    FAN_CONFIG_INVERT(data->fan_conf, \
+                                                      offset-1))); \
+} \
+static ssize_t set_pwm##offset(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->pwm[offset-1] = PWM_TO_REG(val, \
+                              FAN_CONFIG_INVERT(data->fan_conf, offset-1)); \
+        pc87360_write_value(data, LD_FAN, NO_BANK, PC87360_REG_PWM(offset-1), \
+                            data->pwm[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(pwm##offset, S_IWUSR | S_IRUGO, \
+        show_pwm##offset, set_pwm##offset);
+show_and_set_pwm(1)
+show_and_set_pwm(2)
+show_and_set_pwm(3)
+
+#define show_and_set_in(offset) \
+static ssize_t show_in##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \
+                       data->in_vref)); \
+} \
+static ssize_t show_in##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \
+                       data->in_vref)); \
+} \
+static ssize_t show_in##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \
+                       data->in_vref)); \
+} \
+static ssize_t show_in##offset##_status(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", data->in_status[offset]); \
+} \
+static ssize_t set_in##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_min[offset] = IN_TO_REG(val, data->in_vref); \
+        pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MIN, \
+                            data->in_min[offset]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_in##offset##_max(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_max[offset] = IN_TO_REG(val, \
+                               data->in_vref); \
+        pc87360_write_value(data, LD_IN, offset, PC87365_REG_IN_MAX, \
+                            data->in_max[offset]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, \
+        show_in##offset##_input, NULL); \
+static DEVICE_ATTR(in##offset##_min, S_IWUSR | S_IRUGO, \
+        show_in##offset##_min, set_in##offset##_min); \
+static DEVICE_ATTR(in##offset##_max, S_IWUSR | S_IRUGO, \
+        show_in##offset##_max, set_in##offset##_max); \
+static DEVICE_ATTR(in##offset##_status, S_IRUGO, \
+        show_in##offset##_status, NULL);
+show_and_set_in(0)
+show_and_set_in(1)
+show_and_set_in(2)
+show_and_set_in(3)
+show_and_set_in(4)
+show_and_set_in(5)
+show_and_set_in(6)
+show_and_set_in(7)
+show_and_set_in(8)
+show_and_set_in(9)
+show_and_set_in(10)
+
+#define show_and_set_therm(offset) \
+static ssize_t show_temp##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset+7], \
+                       data->in_vref)); \
+} \
+static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset+7], \
+                       data->in_vref)); \
+} \
+static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset+7], \
+                       data->in_vref)); \
+} \
+static ssize_t show_temp##offset##_crit(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", IN_FROM_REG(data->in_crit[offset-4], \
+                       data->in_vref)); \
+} \
+static ssize_t show_temp##offset##_status(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%u\n", data->in_status[offset+7]); \
+} \
+static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_min[offset+7] = IN_TO_REG(val, data->in_vref); \
+        pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MIN, \
+                            data->in_min[offset+7]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_max[offset+7] = IN_TO_REG(val, data->in_vref); \
+        pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_MAX, \
+                            data->in_max[offset+7]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_crit(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->in_crit[offset-4] = IN_TO_REG(val, data->in_vref); \
+        pc87360_write_value(data, LD_IN, offset+7, PC87365_REG_TEMP_CRIT, \
+                            data->in_crit[offset-4]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+        show_temp##offset##_input, NULL); \
+static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_min, set_temp##offset##_min); \
+static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_max, set_temp##offset##_max); \
+static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_crit, set_temp##offset##_crit); \
+static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
+        show_temp##offset##_status, NULL);
+show_and_set_therm(4)
+show_and_set_therm(5)
+show_and_set_therm(6)
+
+static ssize_t show_vid(struct device *dev, char *buf)
+{
+        struct pc87360_data *data = pc87360_update_device(dev);
+        return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid, NULL);
+
+static ssize_t show_vrm(struct device *dev, char *buf)
+{
+        struct pc87360_data *data = pc87360_update_device(dev);
+        return sprintf(buf, "%u\n", data->vrm);
+}
+static ssize_t set_vrm(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        data->vrm = simple_strtoul(buf, NULL, 10);
+        return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm, set_vrm);
+
+static ssize_t show_in_alarms(struct device *dev, char *buf)
+{
+        struct pc87360_data *data = pc87360_update_device(dev);
+        return sprintf(buf, "%u\n", data->in_alarms);
+}
+static DEVICE_ATTR(alarms_in, S_IRUGO, show_in_alarms, NULL);
+
+#define show_and_set_temp(offset) \
+static ssize_t show_temp##offset##_input(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \
+} \
+static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \
+} \
+static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \
+}\
+static ssize_t show_temp##offset##_crit(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_crit[offset-1])); \
+}\
+static ssize_t show_temp##offset##_status(struct device *dev, char *buf) \
+{ \
+        struct pc87360_data *data = pc87360_update_device(dev); \
+        return sprintf(buf, "%d\n", data->temp_status[offset-1]); \
+}\
+static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->temp_min[offset-1] = TEMP_TO_REG(val); \
+        pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MIN, \
+                            data->temp_min[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->temp_max[offset-1] = TEMP_TO_REG(val); \
+        pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_MAX, \
+                            data->temp_max[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static ssize_t set_temp##offset##_crit(struct device *dev, const char *buf, \
+        size_t count) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct pc87360_data *data = i2c_get_clientdata(client); \
+        long val = simple_strtol(buf, NULL, 10); \
+ \
+        down(&data->update_lock); \
+        data->temp_crit[offset-1] = TEMP_TO_REG(val); \
+        pc87360_write_value(data, LD_TEMP, offset-1, PC87365_REG_TEMP_CRIT, \
+                            data->temp_crit[offset-1]); \
+        up(&data->update_lock); \
+        return count; \
+} \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, \
+        show_temp##offset##_input, NULL); \
+static DEVICE_ATTR(temp##offset##_min, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_min, set_temp##offset##_min); \
+static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_max, set_temp##offset##_max); \
+static DEVICE_ATTR(temp##offset##_crit, S_IWUSR | S_IRUGO, \
+        show_temp##offset##_crit, set_temp##offset##_crit); \
+static DEVICE_ATTR(temp##offset##_status, S_IRUGO, \
+        show_temp##offset##_status, NULL);
+show_and_set_temp(1)
+show_and_set_temp(2)
+show_and_set_temp(3)
+
+static ssize_t show_temp_alarms(struct device *dev, char *buf)
+{
+        struct pc87360_data *data = pc87360_update_device(dev);
+        return sprintf(buf, "%u\n", data->temp_alarms);
+}
+static DEVICE_ATTR(alarms_temp, S_IRUGO, show_temp_alarms, NULL);
+
+/*
+ * Device detection, registration and update
+ */
+
+static int pc87360_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, pc87360_detect);
+}
+
+static int pc87360_find(int sioaddr, u8 *devid, int *address)
+{
+        u16 val;
+        int i;
+        int nrdev; /* logical device count */
+
+        /* No superio_enter */
+
+        /* Identify device */
+        val = superio_inb(sioaddr, DEVID);
+        switch (val) {
+        case 0xE1: /* PC87360 */
+        case 0xE8: /* PC87363 */
+        case 0xE4: /* PC87364 */
+                nrdev = 1;
+                break;
+        case 0xE5: /* PC87365 */
+        case 0xE9: /* PC87366 */
+                nrdev = 3;
+                break;
+        default:
+                superio_exit(sioaddr);
+                return -ENODEV;
+        }
+        /* Remember the device id */
+        *devid = val;
+
+        for (i = 0; i < nrdev; i++) {
+                /* select logical device */
+                superio_outb(sioaddr, DEV, logdev[i]);
+
+                val = superio_inb(sioaddr, ACT);
+                if (!(val & 0x01)) {
+                        printk(KERN_INFO "pc87360: Device 0x%02x not "
+                               "activated\n", logdev[i]);
+                        continue;
+                }
+
+                val = (superio_inb(sioaddr, BASE) << 8)
+                    | superio_inb(sioaddr, BASE + 1);
+                if (!val) {
+                        printk(KERN_INFO "pc87360: Base address not set for "
+                               "device 0x%02x\n", logdev[i]);
+                        continue;
+                }
+
+                address[i] = val;
+
+                if (i==0) { /* Fans */
+                        confreg[0] = superio_inb(sioaddr, 0xF0);
+                        confreg[1] = superio_inb(sioaddr, 0xF1);
+
+#ifdef DEBUG
+                        printk(KERN_DEBUG "pc87360: Fan 1: mon=%d "
+                               "ctrl=%d inv=%d\n", (confreg[0]>>2)&1,
+                               (confreg[0]>>3)&1, (confreg[0]>>4)&1);
+                        printk(KERN_DEBUG "pc87360: Fan 2: mon=%d "
+                               "ctrl=%d inv=%d\n", (confreg[0]>>5)&1,
+                               (confreg[0]>>6)&1, (confreg[0]>>7)&1);
+                        printk(KERN_DEBUG "pc87360: Fan 3: mon=%d "
+                               "ctrl=%d inv=%d\n", confreg[1]&1,
+                               (confreg[1]>>1)&1, (confreg[1]>>2)&1);
+#endif
+                } else if (i==1) { /* Voltages */
+                        /* Are we using thermistors? */
+                        if (*devid == 0xE9) { /* PC87366 */
+                                /* These registers are not logical-device
+                                   specific, just that we won't need them if
+                                   we don't use the VLM device */
+                                confreg[2] = superio_inb(sioaddr, 0x2B);
+                                confreg[3] = superio_inb(sioaddr, 0x25);
+
+                                if (confreg[2] & 0x40) {
+                                        printk(KERN_INFO "pc87360: Using "
+                                               "thermistors for temperature "
+                                               "monitoring\n");
+                                }
+                                if (confreg[3] & 0xE0) {
+                                        printk(KERN_INFO "pc87360: VID "
+                                               "inputs routed (mode %u)\n",
+                                               confreg[3] >> 5);
+                                }
+                        }
+                }
+        }
+
+        superio_exit(sioaddr);
+        return 0;
+}
+
+/* We don't really care about the address.
+   Read from extra_isa instead. */
+int pc87360_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i;
+        struct i2c_client *new_client;
+        struct pc87360_data *data;
+        int err = 0;
+        const char *name = "pc87360";
+        int use_thermistors = 0;
+
+        if (!i2c_is_isa_adapter(adapter))
+                return -ENODEV;
+
+        if (!(data = kmalloc(sizeof(struct pc87360_data), GFP_KERNEL)))
+                return -ENOMEM;
+        memset(data, 0x00, sizeof(struct pc87360_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        init_MUTEX(&data->lock);
+        new_client->adapter = adapter;
+        new_client->driver = &pc87360_driver;
+        new_client->flags = 0;
+
+        data->fannr = 2;
+        data->innr = 0;
+        data->tempnr = 0;
+
+        switch (devid) {
+        case 0xe8:
+                name = "pc87363";
+                break;
+        case 0xe4:
+                name = "pc87364";
+                data->fannr = 3;
+                break;
+        case 0xe5:
+                name = "pc87365";
+                data->fannr = extra_isa[0] ? 3 : 0;
+                data->innr = extra_isa[1] ? 11 : 0;
+                data->tempnr = extra_isa[2] ? 2 : 0;
+                break;
+        case 0xe9:
+                name = "pc87366";
+                data->fannr = extra_isa[0] ? 3 : 0;
+                data->innr = extra_isa[1] ? 14 : 0;
+                data->tempnr = extra_isa[2] ? 3 : 0;
+                break;
+        }
+
+        strcpy(new_client->name, name);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        for (i = 0; i < 3; i++) {
+                if (((data->address[i] = extra_isa[i]))
+                 && !request_region(extra_isa[i], PC87360_EXTENT,
+                                    pc87360_driver.name)) {
+                        dev_err(&new_client->dev, "Region 0x%x-0x%x already "
+                                "in use!\n", extra_isa[i],
+                                extra_isa[i]+PC87360_EXTENT-1);
+                        for (i--; i >= 0; i--)
+                                release_region(extra_isa[i], PC87360_EXTENT);
+                        err = -EBUSY;
+                        goto ERROR1;
+                }
+        }
+
+        /* Retrieve the fans configuration from Super-I/O space */
+        if (data->fannr)
+                data->fan_conf = confreg[0] | (confreg[1] << 8);
+
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR2;
+
+        /* Use the correct reference voltage
+           Unless both the VLM and the TMS logical devices agree to
+           use an external Vref, the internal one is used. */
+        if (data->innr) {
+                i = pc87360_read_value(data, LD_IN, NO_BANK,
+                                       PC87365_REG_IN_CONFIG);
+                if (data->tempnr) {
+                        i &= pc87360_read_value(data, LD_TEMP, NO_BANK,
+                                                PC87365_REG_TEMP_CONFIG);
+                }
+                data->in_vref = (i&0x02) ? 3025 : 2966;
+                dev_dbg(&new_client->dev, "Using %s reference voltage\n",
+                        (i&0x02) ? "external" : "internal");
+
+                data->vid_conf = confreg[3];
+                data->vrm = 90;
+        }
+
+        /* Fan clock dividers may be needed before any data is read */
+        for (i = 0; i < data->fannr; i++) {
+                if (FAN_CONFIG_MONITOR(data->fan_conf, i))
+                        data->fan_status[i] = pc87360_read_value(data,
+                                              LD_FAN, NO_BANK,
+                                              PC87360_REG_FAN_STATUS(i));
+        }
+
+        if (init > 0) {
+                if (devid == 0xe9 && data->address[1]) /* PC87366 */
+                        use_thermistors = confreg[2] & 0x40;
+
+                pc87360_init_client(new_client, use_thermistors);
+        }
+
+        /* Register sysfs hooks */
+        if (data->innr) {
+                device_create_file(&new_client->dev, &dev_attr_in0_input);
+                device_create_file(&new_client->dev, &dev_attr_in1_input);
+                device_create_file(&new_client->dev, &dev_attr_in2_input);
+                device_create_file(&new_client->dev, &dev_attr_in3_input);
+                device_create_file(&new_client->dev, &dev_attr_in4_input);
+                device_create_file(&new_client->dev, &dev_attr_in5_input);
+                device_create_file(&new_client->dev, &dev_attr_in6_input);
+                device_create_file(&new_client->dev, &dev_attr_in7_input);
+                device_create_file(&new_client->dev, &dev_attr_in8_input);
+                device_create_file(&new_client->dev, &dev_attr_in9_input);
+                device_create_file(&new_client->dev, &dev_attr_in10_input);
+                device_create_file(&new_client->dev, &dev_attr_in0_min);
+                device_create_file(&new_client->dev, &dev_attr_in1_min);
+                device_create_file(&new_client->dev, &dev_attr_in2_min);
+                device_create_file(&new_client->dev, &dev_attr_in3_min);
+                device_create_file(&new_client->dev, &dev_attr_in4_min);
+                device_create_file(&new_client->dev, &dev_attr_in5_min);
+                device_create_file(&new_client->dev, &dev_attr_in6_min);
+                device_create_file(&new_client->dev, &dev_attr_in7_min);
+                device_create_file(&new_client->dev, &dev_attr_in8_min);
+                device_create_file(&new_client->dev, &dev_attr_in9_min);
+                device_create_file(&new_client->dev, &dev_attr_in10_min);
+                device_create_file(&new_client->dev, &dev_attr_in0_max);
+                device_create_file(&new_client->dev, &dev_attr_in1_max);
+                device_create_file(&new_client->dev, &dev_attr_in2_max);
+                device_create_file(&new_client->dev, &dev_attr_in3_max);
+                device_create_file(&new_client->dev, &dev_attr_in4_max);
+                device_create_file(&new_client->dev, &dev_attr_in5_max);
+                device_create_file(&new_client->dev, &dev_attr_in6_max);
+                device_create_file(&new_client->dev, &dev_attr_in7_max);
+                device_create_file(&new_client->dev, &dev_attr_in8_max);
+                device_create_file(&new_client->dev, &dev_attr_in9_max);
+                device_create_file(&new_client->dev, &dev_attr_in10_max);
+                device_create_file(&new_client->dev, &dev_attr_in0_status);
+                device_create_file(&new_client->dev, &dev_attr_in1_status);
+                device_create_file(&new_client->dev, &dev_attr_in2_status);
+                device_create_file(&new_client->dev, &dev_attr_in3_status);
+                device_create_file(&new_client->dev, &dev_attr_in4_status);
+                device_create_file(&new_client->dev, &dev_attr_in5_status);
+                device_create_file(&new_client->dev, &dev_attr_in6_status);
+                device_create_file(&new_client->dev, &dev_attr_in7_status);
+                device_create_file(&new_client->dev, &dev_attr_in8_status);
+                device_create_file(&new_client->dev, &dev_attr_in9_status);
+                device_create_file(&new_client->dev, &dev_attr_in10_status);
+
+                device_create_file(&new_client->dev, &dev_attr_cpu0_vid);
+                device_create_file(&new_client->dev, &dev_attr_vrm);
+                device_create_file(&new_client->dev, &dev_attr_alarms_in);
+        }
+
+        if (data->tempnr) {
+                device_create_file(&new_client->dev, &dev_attr_temp1_input);
+                device_create_file(&new_client->dev, &dev_attr_temp2_input);
+                device_create_file(&new_client->dev, &dev_attr_temp1_min);
+                device_create_file(&new_client->dev, &dev_attr_temp2_min);
+                device_create_file(&new_client->dev, &dev_attr_temp1_max);
+                device_create_file(&new_client->dev, &dev_attr_temp2_max);
+                device_create_file(&new_client->dev, &dev_attr_temp1_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp2_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp1_status);
+                device_create_file(&new_client->dev, &dev_attr_temp2_status);
+
+                device_create_file(&new_client->dev, &dev_attr_alarms_temp);
+        }
+        if (data->tempnr == 3) {
+                device_create_file(&new_client->dev, &dev_attr_temp3_input);
+                device_create_file(&new_client->dev, &dev_attr_temp3_min);
+                device_create_file(&new_client->dev, &dev_attr_temp3_max);
+                device_create_file(&new_client->dev, &dev_attr_temp3_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp3_status);
+        }
+        if (data->innr == 14) {
+                device_create_file(&new_client->dev, &dev_attr_temp4_input);
+                device_create_file(&new_client->dev, &dev_attr_temp5_input);
+                device_create_file(&new_client->dev, &dev_attr_temp6_input);
+                device_create_file(&new_client->dev, &dev_attr_temp4_min);
+                device_create_file(&new_client->dev, &dev_attr_temp5_min);
+                device_create_file(&new_client->dev, &dev_attr_temp6_min);
+                device_create_file(&new_client->dev, &dev_attr_temp4_max);
+                device_create_file(&new_client->dev, &dev_attr_temp5_max);
+                device_create_file(&new_client->dev, &dev_attr_temp6_max);
+                device_create_file(&new_client->dev, &dev_attr_temp4_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp5_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp6_crit);
+                device_create_file(&new_client->dev, &dev_attr_temp4_status);
+                device_create_file(&new_client->dev, &dev_attr_temp5_status);
+                device_create_file(&new_client->dev, &dev_attr_temp6_status);
+        }
+
+        if (data->fannr) {
+                if (FAN_CONFIG_MONITOR(data->fan_conf, 0)) {
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan1_input);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan1_min);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan1_div);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan1_status);
+                }
+
+                if (FAN_CONFIG_MONITOR(data->fan_conf, 1)) {
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan2_input);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan2_min);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan2_div);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan2_status);
+                }
+
+                if (FAN_CONFIG_CONTROL(data->fan_conf, 0))
+                        device_create_file(&new_client->dev, &dev_attr_pwm1);
+                if (FAN_CONFIG_CONTROL(data->fan_conf, 1))
+                        device_create_file(&new_client->dev, &dev_attr_pwm2);
+        }
+        if (data->fannr == 3) {
+                if (FAN_CONFIG_MONITOR(data->fan_conf, 2)) {
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan3_input);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan3_min);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan3_div);
+                        device_create_file(&new_client->dev,
+                                           &dev_attr_fan3_status);
+                }
+
+                if (FAN_CONFIG_CONTROL(data->fan_conf, 2))
+                        device_create_file(&new_client->dev, &dev_attr_pwm3);
+        }
+
+        return 0;
+
+ERROR2:
+        for (i = 0; i < 3; i++) {
+                if (data->address[i]) {
+                        release_region(data->address[i], PC87360_EXTENT);
+                }
+        }
+ERROR1:
+        kfree(data);
+        return err;
+}
+
+static int pc87360_detach_client(struct i2c_client *client)
+{
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        int i;
+
+        if ((i = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return i;
+        }
+
+        for (i = 0; i < 3; i++) {
+                if (data->address[i]) {
+                        release_region(data->address[i], PC87360_EXTENT);
+                }
+        }
+        kfree(data);
+
+        return 0;
+}
+
+/* ldi is the logical device index
+   bank is for voltages and temperatures only */
+static int pc87360_read_value(struct pc87360_data *data, u8 ldi, u8 bank,
+                              u8 reg)
+{
+        int res;
+
+        down(&(data->lock));
+        if (bank != NO_BANK)
+                outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
+        res = inb_p(data->address[ldi] + reg);
+        up(&(data->lock));
+
+        return res;
+}
+
+static void pc87360_write_value(struct pc87360_data *data, u8 ldi, u8 bank,
+                                u8 reg, u8 value)
+{
+        down(&(data->lock));
+        if (bank != NO_BANK)
+                outb_p(bank, data->address[ldi] + PC87365_REG_BANK);
+        outb_p(value, data->address[ldi] + reg);
+        up(&(data->lock));
+}
+
+static void pc87360_init_client(struct i2c_client *client, int use_thermistors)
+{
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        int i, nr;
+        const u8 init_in[14] = { 2, 2, 2, 2, 2, 2, 2, 1, 1, 3, 1, 2, 2, 2 };
+        const u8 init_temp[3] = { 2, 2, 1 };
+        u8 reg;
+
+        if (init >= 2 && data->innr) {
+                reg = pc87360_read_value(data, LD_IN, NO_BANK,
+                                         PC87365_REG_IN_CONVRATE);
+                dev_info(&client->dev, "VLM conversion set to"
+                         "1s period, 160us delay\n");
+                pc87360_write_value(data, LD_IN, NO_BANK,
+                                    PC87365_REG_IN_CONVRATE,
+                                    (reg & 0xC0) | 0x11);
+        }
+
+        nr = data->innr < 11 ? data->innr : 11;
+        for (i=0; i<nr; i++) {
+                if (init >= init_in[i]) {
+                        /* Forcibly enable voltage channel */
+                        reg = pc87360_read_value(data, LD_IN, i,
+                                                 PC87365_REG_IN_STATUS);
+                        if (!(reg & 0x01)) {
+                                dev_dbg(&client->dev, "Forcibly "
+                                        "enabling in%d\n", i);
+                                pc87360_write_value(data, LD_IN, i,
+                                                    PC87365_REG_IN_STATUS,
+                                                    (reg & 0x68) | 0x87);
+                        }
+                }
+        }
+
+        /* We can't blindly trust the Super-I/O space configuration bit,
+           most BIOS won't set it properly */
+        for (i=11; i<data->innr; i++) {
+                reg = pc87360_read_value(data, LD_IN, i,
+                                         PC87365_REG_TEMP_STATUS);
+                use_thermistors = use_thermistors || (reg & 0x01);
+        }
+
+        i = use_thermistors ? 2 : 0;
+        for (; i<data->tempnr; i++) {
+                if (init >= init_temp[i]) {
+                        /* Forcibly enable temperature channel */
+                        reg = pc87360_read_value(data, LD_TEMP, i,
+                                                 PC87365_REG_TEMP_STATUS);
+                        if (!(reg & 0x01)) {
+                                dev_dbg(&client->dev, "Forcibly "
+                                        "enabling temp%d\n", i+1);
+                                pc87360_write_value(data, LD_TEMP, i,
+                                                    PC87365_REG_TEMP_STATUS,
+                                                    0xCF);
+                        }
+                }
+        }
+
+        if (use_thermistors) {
+                for (i=11; i<data->innr; i++) {
+                        if (init >= init_in[i]) {
+                                /* The pin may already be used by thermal
+                                   diodes */
+                                reg = pc87360_read_value(data, LD_TEMP,
+                                      (i-11)/2, PC87365_REG_TEMP_STATUS);
+                                if (reg & 0x01) {
+                                        dev_dbg(&client->dev, "Skipping "
+                                                "temp%d, pin already in use "
+                                                "by temp%d\n", i-7, (i-11)/2);
+                                        continue;
+                                }
+
+                                /* Forcibly enable thermistor channel */
+                                reg = pc87360_read_value(data, LD_IN, i,
+                                                         PC87365_REG_IN_STATUS);
+                                if (!(reg & 0x01)) {
+                                        dev_dbg(&client->dev, "Forcibly "
+                                                "enabling temp%d\n", i-7);
+                                        pc87360_write_value(data, LD_IN, i,
+                                                PC87365_REG_TEMP_STATUS,
+                                                (reg & 0x60) | 0x8F);
+                                }
+                        }
+                }
+        }
+
+        if (data->innr) {
+                reg = pc87360_read_value(data, LD_IN, NO_BANK,
+                                         PC87365_REG_IN_CONFIG);
+                if (reg & 0x01) {
+                        dev_dbg(&client->dev, "Forcibly "
+                                "enabling monitoring (VLM)\n");
+                        pc87360_write_value(data, LD_IN, NO_BANK,
+                                            PC87365_REG_IN_CONFIG,
+                                            reg & 0xFE);
+                }
+        }
+
+        if (data->tempnr) {
+                reg = pc87360_read_value(data, LD_TEMP, NO_BANK,
+                                         PC87365_REG_TEMP_CONFIG);
+                if (reg & 0x01) {
+                        dev_dbg(&client->dev, "Forcibly enabling "
+                                "monitoring (TMS)\n");
+                        pc87360_write_value(data, LD_TEMP, NO_BANK,
+                                            PC87365_REG_TEMP_CONFIG,
+                                            reg & 0xFE);
+                }
+
+                if (init >= 2) {
+                        /* Chip config as documented by National Semi. */
+                        pc87360_write_value(data, LD_TEMP, 0xF, 0xA, 0x08);
+                        /* We voluntarily omit the bank here, in case the
+                           sequence itself matters. It shouldn't be a problem,
+                           since nobody else is supposed to access the
+                           device at that point. */
+                        pc87360_write_value(data, LD_TEMP, NO_BANK, 0xB, 0x04);
+                        pc87360_write_value(data, LD_TEMP, NO_BANK, 0xC, 0x35);
+                        pc87360_write_value(data, LD_TEMP, NO_BANK, 0xD, 0x05);
+                        pc87360_write_value(data, LD_TEMP, NO_BANK, 0xE, 0x05);
+                }
+        }
+}
+
+static void pc87360_autodiv(struct i2c_client *client, int nr)
+{
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        u8 old_min = data->fan_min[nr];
+
+        /* Increase clock divider if needed and possible */
+        if ((data->fan_status[nr] & 0x04) /* overflow flag */
+         || (data->fan[nr] >= 224)) { /* next to overflow */
+                if ((data->fan_status[nr] & 0x60) != 0x60) {
+                        data->fan_status[nr] += 0x20;
+                        data->fan_min[nr] >>= 1;
+                        data->fan[nr] >>= 1;
+                        dev_dbg(&client->dev, "Increasing "
+                                "clock divider to %d for fan %d\n",
+                                FAN_DIV_FROM_REG(data->fan_status[nr]), nr+1);
+                }
+        } else {
+                /* Decrease clock divider if possible */
+                while (!(data->fan_min[nr] & 0x80) /* min "nails" divider */
+                 && data->fan[nr] < 85 /* bad accuracy */
+                 && (data->fan_status[nr] & 0x60) != 0x00) {
+                        data->fan_status[nr] -= 0x20;
+                        data->fan_min[nr] <<= 1;
+                        data->fan[nr] <<= 1;
+                        dev_dbg(&client->dev, "Decreasing "
+                                "clock divider to %d for fan %d\n",
+                                FAN_DIV_FROM_REG(data->fan_status[nr]),
+                                nr+1);
+                }
+        }
+
+        /* Write new fan min if it changed */
+        if (old_min != data->fan_min[nr]) {
+                pc87360_write_value(data, LD_FAN, NO_BANK,
+                                    PC87360_REG_FAN_MIN(nr),
+                                    data->fan_min[nr]);
+        }
+}
+
+static struct pc87360_data *pc87360_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pc87360_data *data = i2c_get_clientdata(client);
+        u8 i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ * 2) || !data->valid) {
+                dev_dbg(&client->dev, "Data update\n");
+
+                /* Fans */
+                for (i = 0; i < data->fannr; i++) {
+                        if (FAN_CONFIG_MONITOR(data->fan_conf, i)) {
+                                data->fan_status[i] =
+                                        pc87360_read_value(data, LD_FAN,
+                                        NO_BANK, PC87360_REG_FAN_STATUS(i));
+                                data->fan[i] = pc87360_read_value(data, LD_FAN,
+                                               NO_BANK, PC87360_REG_FAN(i));
+                                data->fan_min[i] = pc87360_read_value(data,
+                                                   LD_FAN, NO_BANK,
+                                                   PC87360_REG_FAN_MIN(i));
+                                /* Change clock divider if needed */
+                                pc87360_autodiv(client, i);
+                                /* Clear bits and write new divider */
+                                pc87360_write_value(data, LD_FAN, NO_BANK,
+                                                    PC87360_REG_FAN_STATUS(i),
+                                                    data->fan_status[i]);
+                        }
+                        if (FAN_CONFIG_CONTROL(data->fan_conf, i))
+                                data->pwm[i] = pc87360_read_value(data, LD_FAN,
+                                               NO_BANK, PC87360_REG_PWM(i));
+                }
+
+                /* Voltages */
+                for (i = 0; i < data->innr; i++) {
+                        data->in_status[i] = pc87360_read_value(data, LD_IN, i,
+                                             PC87365_REG_IN_STATUS);
+                        /* Clear bits */
+                        pc87360_write_value(data, LD_IN, i,
+                                            PC87365_REG_IN_STATUS,
+                                            data->in_status[i]);
+                        if ((data->in_status[i] & 0x81) == 0x81) {
+                                data->in[i] = pc87360_read_value(data, LD_IN,
+                                              i, PC87365_REG_IN);
+                        }
+                        if (data->in_status[i] & 0x01) {
+                                data->in_min[i] = pc87360_read_value(data,
+                                                  LD_IN, i,
+                                                  PC87365_REG_IN_MIN);
+                                data->in_max[i] = pc87360_read_value(data,
+                                                  LD_IN, i,
+                                                  PC87365_REG_IN_MAX);
+                                if (i >= 11)
+                                        data->in_crit[i-11] =
+                                                pc87360_read_value(data, LD_IN,
+                                                i, PC87365_REG_TEMP_CRIT);
+                        }
+                }
+                if (data->innr) {
+                        data->in_alarms = pc87360_read_value(data, LD_IN,
+                                          NO_BANK, PC87365_REG_IN_ALARMS1)
+                                        | ((pc87360_read_value(data, LD_IN,
+                                            NO_BANK, PC87365_REG_IN_ALARMS2)
+                                            & 0x07) << 8);
+                        data->vid = (data->vid_conf & 0xE0) ?
+                                    pc87360_read_value(data, LD_IN,
+                                    NO_BANK, PC87365_REG_VID) : 0x1F;
+                }
+
+                /* Temperatures */
+                for (i = 0; i < data->tempnr; i++) {
+                        data->temp_status[i] = pc87360_read_value(data,
+                                               LD_TEMP, i,
+                                               PC87365_REG_TEMP_STATUS);
+                        /* Clear bits */
+                        pc87360_write_value(data, LD_TEMP, i,
+                                            PC87365_REG_TEMP_STATUS,
+                                            data->temp_status[i]);
+                        if ((data->temp_status[i] & 0x81) == 0x81) {
+                                data->temp[i] = pc87360_read_value(data,
+                                                LD_TEMP, i,
+                                                PC87365_REG_TEMP);
+                        }
+                        if (data->temp_status[i] & 0x01) {
+                                data->temp_min[i] = pc87360_read_value(data,
+                                                    LD_TEMP, i,
+                                                    PC87365_REG_TEMP_MIN);
+                                data->temp_max[i] = pc87360_read_value(data,
+                                                    LD_TEMP, i,
+                                                    PC87365_REG_TEMP_MAX);
+                                data->temp_crit[i] = pc87360_read_value(data,
+                                                     LD_TEMP, i,
+                                                     PC87365_REG_TEMP_CRIT);
+                        }
+                }
+                if (data->tempnr) {
+                        data->temp_alarms = pc87360_read_value(data, LD_TEMP,
+                                            NO_BANK, PC87365_REG_TEMP_ALARMS)
+                                            & 0x3F;
+                }
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init pc87360_init(void)
+{
+        int i;
+
+        if (pc87360_find(0x2e, &devid, extra_isa)
+         && pc87360_find(0x4e, &devid, extra_isa)) {
+                printk(KERN_WARNING "pc87360: PC8736x not detected, "
+                       "module not inserted.\n");
+                return -ENODEV;
+        }
+
+        /* Arbitrarily pick one of the addresses */
+        for (i = 0; i < 3; i++) {
+                if (extra_isa[i] != 0x0000) {
+                        normal_isa[0] = extra_isa[i];
+                        break;
+                }
+        }
+
+        if (normal_isa[0] == 0x0000) {
+                printk(KERN_WARNING "pc87360: No active logical device, "
+                       "module not inserted.\n");
+                return -ENODEV;
+        }
+
+        return i2c_add_driver(&pc87360_driver);
+}
+
+static void __exit pc87360_exit(void)
+{
+        i2c_del_driver(&pc87360_driver);
+}
+
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("PC8736x hardware monitor");
+MODULE_LICENSE("GPL");
+
+module_init(pc87360_init);
+module_exit(pc87360_exit);
diff --git a/drivers/i2c/chips/pcf8574.c b/drivers/i2c/chips/pcf8574.c
new file mode 100644
index 000000000000..48b4e22eaffe
--- /dev/null
+++ b/drivers/i2c/chips/pcf8574.c
@@ -0,0 +1,229 @@
+/*
+    pcf8574.c - Part of lm_sensors, Linux kernel modules for hardware
+             monitoring
+    Copyright (c) 2000  Frodo Looijaard <frodol@dds.nl>, 
+                        Philip Edelbrock <phil@netroedge.com>,
+                        Dan Eaton <dan.eaton@rocketlogix.com>
+    Ported to Linux 2.6 by Aurelien Jarno <aurel32@debian.org> with 
+    the help of Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+    
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/* A few notes about the PCF8574:
+
+* The PCF8574 is an 8-bit I/O expander for the I2C bus produced by
+  Philips Semiconductors.  It is designed to provide a byte I2C
+  interface to up to 8 separate devices.
+  
+* The PCF8574 appears as a very simple SMBus device which can be
+  read from or written to with SMBUS byte read/write accesses.
+
+  --Dan
+
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
+                                        0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
+                                        I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_2(pcf8574, pcf8574a);
+
+/* Initial values */
+#define PCF8574_INIT 255        /* All outputs on (input mode) */
+
+/* Each client has this additional data */
+struct pcf8574_data {
+        struct i2c_client client;
+
+        u8 read, write;                 /* Register values */
+};
+
+static int pcf8574_attach_adapter(struct i2c_adapter *adapter);
+static int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind);
+static int pcf8574_detach_client(struct i2c_client *client);
+static void pcf8574_init_client(struct i2c_client *client);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver pcf8574_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "pcf8574",
+        .id             = I2C_DRIVERID_PCF8574,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = pcf8574_attach_adapter,
+        .detach_client  = pcf8574_detach_client,
+};
+
+/* following are the sysfs callback functions */
+static ssize_t show_read(struct device *dev, char *buf)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pcf8574_data *data = i2c_get_clientdata(client);
+        data->read = i2c_smbus_read_byte(client); 
+        return sprintf(buf, "%u\n", data->read);
+}
+
+static DEVICE_ATTR(read, S_IRUGO, show_read, NULL);
+
+static ssize_t show_write(struct device *dev, char *buf)
+{
+        struct pcf8574_data *data = i2c_get_clientdata(to_i2c_client(dev));
+        return sprintf(buf, "%u\n", data->write);
+}
+
+static ssize_t set_write(struct device *dev, const char *buf,
+                         size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pcf8574_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        if (val > 0xff)
+                return -EINVAL;
+
+        data->write = val;
+        i2c_smbus_write_byte(client, data->write);
+        return count;
+}
+
+static DEVICE_ATTR(write, S_IWUSR | S_IRUGO, show_write, set_write);
+
+/*
+ * Real code
+ */
+
+static int pcf8574_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, pcf8574_detect);
+}
+
+/* This function is called by i2c_detect */
+int pcf8574_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct pcf8574_data *data;
+        int err = 0;
+        const char *client_name = "";
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet. */
+        if (!(data = kmalloc(sizeof(struct pcf8574_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct pcf8574_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &pcf8574_driver;
+        new_client->flags = 0;
+
+        /* Now, we would do the remaining detection. But the PCF8574 is plainly
+           impossible to detect! Stupid chip. */
+
+        /* Determine the chip type */
+        if (kind <= 0) {
+                if (address >= 0x38 && address <= 0x3f)
+                        kind = pcf8574a;
+                else
+                        kind = pcf8574;
+        }
+
+        if (kind == pcf8574a)
+                client_name = "pcf8574a";
+        else
+                client_name = "pcf8574";
+
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+        
+        /* Initialize the PCF8574 chip */
+        pcf8574_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_read);
+        device_create_file(&new_client->dev, &dev_attr_write);
+        return 0;
+
+/* OK, this is not exactly good programming practice, usually. But it is
+   very code-efficient in this case. */
+
+      exit_free:
+        kfree(data);
+      exit:
+        return err;
+}
+
+static int pcf8574_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                        "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+/* Called when we have found a new PCF8574. */
+static void pcf8574_init_client(struct i2c_client *client)
+{
+        struct pcf8574_data *data = i2c_get_clientdata(client);
+        data->write = PCF8574_INIT;
+        i2c_smbus_write_byte(client, data->write);
+}
+
+static int __init pcf8574_init(void)
+{
+        return i2c_add_driver(&pcf8574_driver);
+}
+
+static void __exit pcf8574_exit(void)
+{
+        i2c_del_driver(&pcf8574_driver);
+}
+
+
+MODULE_AUTHOR
+    ("Frodo Looijaard <frodol@dds.nl>, "
+     "Philip Edelbrock <phil@netroedge.com>, "
+     "Dan Eaton <dan.eaton@rocketlogix.com> "
+     "and Aurelien Jarno <aurelien@aurel32.net>");
+MODULE_DESCRIPTION("PCF8574 driver");
+MODULE_LICENSE("GPL");
+
+module_init(pcf8574_init);
+module_exit(pcf8574_exit);
diff --git a/drivers/i2c/chips/pcf8591.c b/drivers/i2c/chips/pcf8591.c
new file mode 100644
index 000000000000..b6b927d8b372
--- /dev/null
+++ b/drivers/i2c/chips/pcf8591.c
@@ -0,0 +1,316 @@
+/*
+    pcf8591.c - Part of lm_sensors, Linux kernel modules for hardware
+                monitoring
+    Copyright (C) 2001-2004 Aurelien Jarno <aurelien@aurel32.net>
+    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with 
+    the help of Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x48, 0x49, 0x4a, 0x4b, 0x4c,
+                                        0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(pcf8591);
+
+static int input_mode;
+module_param(input_mode, int, 0);
+MODULE_PARM_DESC(input_mode,
+        "Analog input mode:\n"
+        " 0 = four single ended inputs\n"
+        " 1 = three differential inputs\n"
+        " 2 = single ended and differential mixed\n"
+        " 3 = two differential inputs\n");
+
+/* The PCF8591 control byte
+      7    6    5    4    3    2    1    0  
+   |  0 |AOEF|   AIP   |  0 |AINC|  AICH   | */
+
+/* Analog Output Enable Flag (analog output active if 1) */
+#define PCF8591_CONTROL_AOEF            0x40
+                                        
+/* Analog Input Programming 
+   0x00 = four single ended inputs
+   0x10 = three differential inputs
+   0x20 = single ended and differential mixed
+   0x30 = two differential inputs */
+#define PCF8591_CONTROL_AIP_MASK        0x30
+
+/* Autoincrement Flag (switch on if 1) */
+#define PCF8591_CONTROL_AINC            0x04
+
+/* Channel selection
+   0x00 = channel 0 
+   0x01 = channel 1
+   0x02 = channel 2
+   0x03 = channel 3 */
+#define PCF8591_CONTROL_AICH_MASK       0x03
+
+/* Initial values */
+#define PCF8591_INIT_CONTROL    ((input_mode << 4) | PCF8591_CONTROL_AOEF)
+#define PCF8591_INIT_AOUT       0       /* DAC out = 0 */
+
+/* Conversions */
+#define REG_TO_SIGNED(reg)      (((reg) & 0x80)?((reg) - 256):(reg))
+
+struct pcf8591_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+
+        u8 control;
+        u8 aout;
+};
+
+static int pcf8591_attach_adapter(struct i2c_adapter *adapter);
+static int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind);
+static int pcf8591_detach_client(struct i2c_client *client);
+static void pcf8591_init_client(struct i2c_client *client);
+static int pcf8591_read_channel(struct device *dev, int channel);
+
+/* This is the driver that will be inserted */
+static struct i2c_driver pcf8591_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "pcf8591",
+        .id             = I2C_DRIVERID_PCF8591,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = pcf8591_attach_adapter,
+        .detach_client  = pcf8591_detach_client,
+};
+
+/* following are the sysfs callback functions */
+#define show_in_channel(channel)                                        \
+static ssize_t show_in##channel##_input(struct device *dev, char *buf)  \
+{                                                                       \
+        return sprintf(buf, "%d\n", pcf8591_read_channel(dev, channel));\
+}                                                                       \
+static DEVICE_ATTR(in##channel##_input, S_IRUGO,                        \
+                   show_in##channel##_input, NULL);
+
+show_in_channel(0);
+show_in_channel(1);
+show_in_channel(2);
+show_in_channel(3);
+
+static ssize_t show_out0_ouput(struct device *dev, char *buf)
+{
+        struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
+        return sprintf(buf, "%d\n", data->aout * 10);
+}
+
+static ssize_t set_out0_output(struct device *dev, const char *buf, size_t count)
+{
+        unsigned int value;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pcf8591_data *data = i2c_get_clientdata(client);
+        if ((value = (simple_strtoul(buf, NULL, 10) + 5) / 10) <= 255) {
+                data->aout = value;
+                i2c_smbus_write_byte_data(client, data->control, data->aout);
+                return count;
+        }
+        return -EINVAL;
+}
+
+static DEVICE_ATTR(out0_output, S_IWUSR | S_IRUGO, 
+                   show_out0_ouput, set_out0_output);
+
+static ssize_t show_out0_enable(struct device *dev, char *buf)
+{
+        struct pcf8591_data *data = i2c_get_clientdata(to_i2c_client(dev));
+        return sprintf(buf, "%u\n", !(!(data->control & PCF8591_CONTROL_AOEF)));
+}
+
+static ssize_t set_out0_enable(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pcf8591_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        if (val)
+                data->control |= PCF8591_CONTROL_AOEF;
+        else
+                data->control &= ~PCF8591_CONTROL_AOEF;
+        i2c_smbus_write_byte(client, data->control);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(out0_enable, S_IWUSR | S_IRUGO, 
+                   show_out0_enable, set_out0_enable);
+
+/*
+ * Real code
+ */
+static int pcf8591_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, pcf8591_detect);
+}
+
+/* This function is called by i2c_detect */
+int pcf8591_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct pcf8591_data *data;
+        int err = 0;
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE
+                                     | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
+                goto exit;
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet. */
+        if (!(data = kmalloc(sizeof(struct pcf8591_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct pcf8591_data));
+        
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &pcf8591_driver;
+        new_client->flags = 0;
+
+        /* Now, we would do the remaining detection. But the PCF8591 is plainly
+           impossible to detect! Stupid chip. */
+
+        /* Determine the chip type - only one kind supported! */
+        if (kind <= 0)
+                kind = pcf8591;
+
+        /* Fill in the remaining client fields and put it into the global 
+           list */
+        strlcpy(new_client->name, "pcf8591", I2C_NAME_SIZE);
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_kfree;
+
+        /* Initialize the PCF8591 chip */
+        pcf8591_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_out0_enable);
+        device_create_file(&new_client->dev, &dev_attr_out0_output);
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+
+        /* Register input2 if not in "two differential inputs" mode */
+        if (input_mode != 3 )
+                device_create_file(&new_client->dev, &dev_attr_in2_input);
+                
+        /* Register input3 only in "four single ended inputs" mode */
+        if (input_mode == 0)
+                device_create_file(&new_client->dev, &dev_attr_in3_input);
+        
+        return 0;
+        
+        /* OK, this is not exactly good programming practice, usually. But it is
+           very code-efficient in this case. */
+
+exit_kfree:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int pcf8591_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                        "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+/* Called when we have found a new PCF8591. */
+static void pcf8591_init_client(struct i2c_client *client)
+{
+        struct pcf8591_data *data = i2c_get_clientdata(client);
+        data->control = PCF8591_INIT_CONTROL;
+        data->aout = PCF8591_INIT_AOUT;
+
+        i2c_smbus_write_byte_data(client, data->control, data->aout);
+        
+        /* The first byte transmitted contains the conversion code of the 
+           previous read cycle. FLUSH IT! */
+        i2c_smbus_read_byte(client);
+}
+
+static int pcf8591_read_channel(struct device *dev, int channel)
+{
+        u8 value;
+        struct i2c_client *client = to_i2c_client(dev);
+        struct pcf8591_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if ((data->control & PCF8591_CONTROL_AICH_MASK) != channel) {
+                data->control = (data->control & ~PCF8591_CONTROL_AICH_MASK)
+                              | channel;
+                i2c_smbus_write_byte(client, data->control);
+        
+                /* The first byte transmitted contains the conversion code of 
+                   the previous read cycle. FLUSH IT! */
+                i2c_smbus_read_byte(client);
+        }
+        value = i2c_smbus_read_byte(client);
+
+        up(&data->update_lock);
+
+        if ((channel == 2 && input_mode == 2) ||
+            (channel != 3 && (input_mode == 1 || input_mode == 3)))
+                return (10 * REG_TO_SIGNED(value));
+        else
+                return (10 * value);
+}
+
+static int __init pcf8591_init(void)
+{
+        if (input_mode < 0 || input_mode > 3) {
+                printk(KERN_WARNING "pcf8591: invalid input_mode (%d)\n",
+                       input_mode);
+                input_mode = 0;
+        }
+        return i2c_add_driver(&pcf8591_driver);
+}
+
+static void __exit pcf8591_exit(void)
+{
+        i2c_del_driver(&pcf8591_driver);
+}
+
+MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
+MODULE_DESCRIPTION("PCF8591 driver");
+MODULE_LICENSE("GPL");
+
+module_init(pcf8591_init);
+module_exit(pcf8591_exit);
diff --git a/drivers/i2c/chips/rtc8564.c b/drivers/i2c/chips/rtc8564.c
new file mode 100644
index 000000000000..5a9deddb626b
--- /dev/null
+++ b/drivers/i2c/chips/rtc8564.c
@@ -0,0 +1,394 @@
+/*
+ *  linux/drivers/i2c/chips/rtc8564.c
+ *
+ *  Copyright (C) 2002-2004 Stefan Eletzhofer
+ *
+ *      based on linux/drivers/acron/char/pcf8583.c
+ *  Copyright (C) 2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Driver for system3's EPSON RTC 8564 chip
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/rtc.h>          /* get the user-level API */
+#include <linux/init.h>
+#include <linux/init.h>
+
+#include "rtc8564.h"
+
+#ifdef DEBUG
+# define _DBG(x, fmt, args...) do{ if (debug>=x) printk(KERN_DEBUG"%s: " fmt "\n", __FUNCTION__, ##args); } while(0);
+#else
+# define _DBG(x, fmt, args...) do { } while(0);
+#endif
+
+#define _DBGRTCTM(x, rtctm) if (debug>=x) printk("%s: secs=%d, mins=%d, hours=%d, mday=%d, " \
+                        "mon=%d, year=%d, wday=%d VL=%d\n", __FUNCTION__, \
+                        (rtctm).secs, (rtctm).mins, (rtctm).hours, (rtctm).mday, \
+                        (rtctm).mon, (rtctm).year, (rtctm).wday, (rtctm).vl);
+
+struct rtc8564_data {
+        struct i2c_client client;
+        u16 ctrl;
+};
+
+static inline u8 _rtc8564_ctrl1(struct i2c_client *client)
+{
+        struct rtc8564_data *data = i2c_get_clientdata(client);
+        return data->ctrl & 0xff;
+}
+static inline u8 _rtc8564_ctrl2(struct i2c_client *client)
+{
+        struct rtc8564_data *data = i2c_get_clientdata(client);
+        return (data->ctrl & 0xff00) >> 8;
+}
+
+#define CTRL1(c) _rtc8564_ctrl1(c)
+#define CTRL2(c) _rtc8564_ctrl2(c)
+
+#define BCD_TO_BIN(val) (((val)&15) + ((val)>>4)*10)
+#define BIN_TO_BCD(val) ((((val)/10)<<4) + (val)%10)
+
+static int debug;;
+module_param(debug, int, S_IRUGO | S_IWUSR);
+
+static struct i2c_driver rtc8564_driver;
+
+static unsigned short ignore[] = { I2C_CLIENT_END };
+static unsigned short normal_addr[] = { 0x51, I2C_CLIENT_END };
+
+static struct i2c_client_address_data addr_data = {
+        .normal_i2c             = normal_addr,
+        .normal_i2c_range       = ignore,
+        .probe                  = ignore,
+        .probe_range            = ignore,
+        .ignore                 = ignore,
+        .ignore_range           = ignore,
+        .force                  = ignore,
+};
+
+static int rtc8564_read_mem(struct i2c_client *client, struct mem *mem);
+static int rtc8564_write_mem(struct i2c_client *client, struct mem *mem);
+
+static int rtc8564_read(struct i2c_client *client, unsigned char adr,
+                        unsigned char *buf, unsigned char len)
+{
+        int ret = -EIO;
+        unsigned char addr[1] = { adr };
+        struct i2c_msg msgs[2] = {
+                {client->addr, 0, 1, addr},
+                {client->addr, I2C_M_RD, len, buf}
+        };
+
+        _DBG(1, "client=%p, adr=%d, buf=%p, len=%d", client, adr, buf, len);
+
+        if (!buf) {
+                ret = -EINVAL;
+                goto done;
+        }
+
+        ret = i2c_transfer(client->adapter, msgs, 2);
+        if (ret == 2) {
+                ret = 0;
+        }
+
+done:
+        return ret;
+}
+
+static int rtc8564_write(struct i2c_client *client, unsigned char adr,
+                         unsigned char *data, unsigned char len)
+{
+        int ret = 0;
+        unsigned char _data[16];
+        struct i2c_msg wr;
+        int i;
+
+        if (!data || len > 15) {
+                ret = -EINVAL;
+                goto done;
+        }
+
+        _DBG(1, "client=%p, adr=%d, buf=%p, len=%d", client, adr, data, len);
+
+        _data[0] = adr;
+        for (i = 0; i < len; i++) {
+                _data[i + 1] = data[i];
+                _DBG(5, "data[%d] = 0x%02x (%d)", i, data[i], data[i]);
+        }
+
+        wr.addr = client->addr;
+        wr.flags = 0;
+        wr.len = len + 1;
+        wr.buf = _data;
+
+        ret = i2c_transfer(client->adapter, &wr, 1);
+        if (ret == 1) {
+                ret = 0;
+        }
+
+done:
+        return ret;
+}
+
+static int rtc8564_attach(struct i2c_adapter *adap, int addr, int kind)
+{
+        int ret;
+        struct i2c_client *new_client;
+        struct rtc8564_data *d;
+        unsigned char data[10];
+        unsigned char ad[1] = { 0 };
+        struct i2c_msg ctrl_wr[1] = {
+                {addr, 0, 2, data}
+        };
+        struct i2c_msg ctrl_rd[2] = {
+                {addr, 0, 1, ad},
+                {addr, I2C_M_RD, 2, data}
+        };
+
+        d = kmalloc(sizeof(struct rtc8564_data), GFP_KERNEL);
+        if (!d) {
+                ret = -ENOMEM;
+                goto done;
+        }
+        memset(d, 0, sizeof(struct rtc8564_data));
+        new_client = &d->client;
+
+        strlcpy(new_client->name, "RTC8564", I2C_NAME_SIZE);
+        i2c_set_clientdata(new_client, d);
+        new_client->flags = I2C_CLIENT_ALLOW_USE | I2C_DF_NOTIFY;
+        new_client->addr = addr;
+        new_client->adapter = adap;
+        new_client->driver = &rtc8564_driver;
+
+        _DBG(1, "client=%p", new_client);
+
+        /* init ctrl1 reg */
+        data[0] = 0;
+        data[1] = 0;
+        ret = i2c_transfer(new_client->adapter, ctrl_wr, 1);
+        if (ret != 1) {
+                printk(KERN_INFO "rtc8564: cant init ctrl1\n");
+                ret = -ENODEV;
+                goto done;
+        }
+
+        /* read back ctrl1 and ctrl2 */
+        ret = i2c_transfer(new_client->adapter, ctrl_rd, 2);
+        if (ret != 2) {
+                printk(KERN_INFO "rtc8564: cant read ctrl\n");
+                ret = -ENODEV;
+                goto done;
+        }
+
+        d->ctrl = data[0] | (data[1] << 8);
+
+        _DBG(1, "RTC8564_REG_CTRL1=%02x, RTC8564_REG_CTRL2=%02x",
+             data[0], data[1]);
+
+        ret = i2c_attach_client(new_client);
+done:
+        if (ret) {
+                kfree(d);
+        }
+        return ret;
+}
+
+static int rtc8564_probe(struct i2c_adapter *adap)
+{
+        return i2c_probe(adap, &addr_data, rtc8564_attach);
+}
+
+static int rtc8564_detach(struct i2c_client *client)
+{
+        i2c_detach_client(client);
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static int rtc8564_get_datetime(struct i2c_client *client, struct rtc_tm *dt)
+{
+        int ret = -EIO;
+        unsigned char buf[15];
+
+        _DBG(1, "client=%p, dt=%p", client, dt);
+
+        if (!dt)
+                return -EINVAL;
+
+        memset(buf, 0, sizeof(buf));
+
+        ret = rtc8564_read(client, 0, buf, 15);
+        if (ret)
+                return ret;
+
+        /* century stored in minute alarm reg */
+        dt->year = BCD_TO_BIN(buf[RTC8564_REG_YEAR]);
+        dt->year += 100 * BCD_TO_BIN(buf[RTC8564_REG_AL_MIN] & 0x3f);
+        dt->mday = BCD_TO_BIN(buf[RTC8564_REG_DAY] & 0x3f);
+        dt->wday = BCD_TO_BIN(buf[RTC8564_REG_WDAY] & 7);
+        dt->mon = BCD_TO_BIN(buf[RTC8564_REG_MON_CENT] & 0x1f);
+
+        dt->secs = BCD_TO_BIN(buf[RTC8564_REG_SEC] & 0x7f);
+        dt->vl = (buf[RTC8564_REG_SEC] & 0x80) == 0x80;
+        dt->mins = BCD_TO_BIN(buf[RTC8564_REG_MIN] & 0x7f);
+        dt->hours = BCD_TO_BIN(buf[RTC8564_REG_HR] & 0x3f);
+
+        _DBGRTCTM(2, *dt);
+
+        return 0;
+}
+
+static int
+rtc8564_set_datetime(struct i2c_client *client, struct rtc_tm *dt, int datetoo)
+{
+        int ret, len = 5;
+        unsigned char buf[15];
+
+        _DBG(1, "client=%p, dt=%p", client, dt);
+
+        if (!dt)
+                return -EINVAL;
+
+        _DBGRTCTM(2, *dt);
+
+        buf[RTC8564_REG_CTRL1] = CTRL1(client) | RTC8564_CTRL1_STOP;
+        buf[RTC8564_REG_CTRL2] = CTRL2(client);
+        buf[RTC8564_REG_SEC] = BIN_TO_BCD(dt->secs);
+        buf[RTC8564_REG_MIN] = BIN_TO_BCD(dt->mins);
+        buf[RTC8564_REG_HR] = BIN_TO_BCD(dt->hours);
+
+        if (datetoo) {
+                len += 5;
+                buf[RTC8564_REG_DAY] = BIN_TO_BCD(dt->mday);
+                buf[RTC8564_REG_WDAY] = BIN_TO_BCD(dt->wday);
+                buf[RTC8564_REG_MON_CENT] = BIN_TO_BCD(dt->mon) & 0x1f;
+                /* century stored in minute alarm reg */
+                buf[RTC8564_REG_YEAR] = BIN_TO_BCD(dt->year % 100);
+                buf[RTC8564_REG_AL_MIN] = BIN_TO_BCD(dt->year / 100);
+        }
+
+        ret = rtc8564_write(client, 0, buf, len);
+        if (ret) {
+                _DBG(1, "error writing data! %d", ret);
+        }
+
+        buf[RTC8564_REG_CTRL1] = CTRL1(client);
+        ret = rtc8564_write(client, 0, buf, 1);
+        if (ret) {
+                _DBG(1, "error writing data! %d", ret);
+        }
+
+        return ret;
+}
+
+static int rtc8564_get_ctrl(struct i2c_client *client, unsigned int *ctrl)
+{
+        struct rtc8564_data *data = i2c_get_clientdata(client);
+
+        if (!ctrl)
+                return -1;
+
+        *ctrl = data->ctrl;
+        return 0;
+}
+
+static int rtc8564_set_ctrl(struct i2c_client *client, unsigned int *ctrl)
+{
+        struct rtc8564_data *data = i2c_get_clientdata(client);
+        unsigned char buf[2];
+
+        if (!ctrl)
+                return -1;
+
+        buf[0] = *ctrl & 0xff;
+        buf[1] = (*ctrl & 0xff00) >> 8;
+        data->ctrl = *ctrl;
+
+        return rtc8564_write(client, 0, buf, 2);
+}
+
+static int rtc8564_read_mem(struct i2c_client *client, struct mem *mem)
+{
+
+        if (!mem)
+                return -EINVAL;
+
+        return rtc8564_read(client, mem->loc, mem->data, mem->nr);
+}
+
+static int rtc8564_write_mem(struct i2c_client *client, struct mem *mem)
+{
+
+        if (!mem)
+                return -EINVAL;
+
+        return rtc8564_write(client, mem->loc, mem->data, mem->nr);
+}
+
+static int
+rtc8564_command(struct i2c_client *client, unsigned int cmd, void *arg)
+{
+
+        _DBG(1, "cmd=%d", cmd);
+
+        switch (cmd) {
+        case RTC_GETDATETIME:
+                return rtc8564_get_datetime(client, arg);
+
+        case RTC_SETTIME:
+                return rtc8564_set_datetime(client, arg, 0);
+
+        case RTC_SETDATETIME:
+                return rtc8564_set_datetime(client, arg, 1);
+
+        case RTC_GETCTRL:
+                return rtc8564_get_ctrl(client, arg);
+
+        case RTC_SETCTRL:
+                return rtc8564_set_ctrl(client, arg);
+
+        case MEM_READ:
+                return rtc8564_read_mem(client, arg);
+
+        case MEM_WRITE:
+                return rtc8564_write_mem(client, arg);
+
+        default:
+                return -EINVAL;
+        }
+}
+
+static struct i2c_driver rtc8564_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "RTC8564",
+        .id             = I2C_DRIVERID_RTC8564,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = rtc8564_probe,
+        .detach_client  = rtc8564_detach,
+        .command        = rtc8564_command
+};
+
+static __init int rtc8564_init(void)
+{
+        return i2c_add_driver(&rtc8564_driver);
+}
+
+static __exit void rtc8564_exit(void)
+{
+        i2c_del_driver(&rtc8564_driver);
+}
+
+MODULE_AUTHOR("Stefan Eletzhofer <Stefan.Eletzhofer@eletztrick.de>");
+MODULE_DESCRIPTION("EPSON RTC8564 Driver");
+MODULE_LICENSE("GPL");
+
+module_init(rtc8564_init);
+module_exit(rtc8564_exit);
diff --git a/drivers/i2c/chips/rtc8564.h b/drivers/i2c/chips/rtc8564.h
new file mode 100644
index 000000000000..e5342d10b8fa
--- /dev/null
+++ b/drivers/i2c/chips/rtc8564.h
@@ -0,0 +1,78 @@
+/*
+ *  linux/drivers/i2c/chips/rtc8564.h
+ *
+ *  Copyright (C) 2002-2004 Stefan Eletzhofer
+ *
+ *      based on linux/drivers/acron/char/pcf8583.h
+ *  Copyright (C) 2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+struct rtc_tm {
+        unsigned char   secs;
+        unsigned char   mins;
+        unsigned char   hours;
+        unsigned char   mday;
+        unsigned char   mon;
+        unsigned short  year; /* xxxx 4 digits :) */
+        unsigned char   wday;
+        unsigned char   vl;
+};
+
+struct mem {
+        unsigned int    loc;
+        unsigned int    nr;
+        unsigned char   *data;
+};
+
+#define RTC_GETDATETIME 0
+#define RTC_SETTIME     1
+#define RTC_SETDATETIME 2
+#define RTC_GETCTRL     3
+#define RTC_SETCTRL     4
+#define MEM_READ        5
+#define MEM_WRITE       6
+
+#define RTC8564_REG_CTRL1               0x0 /* T  0 S 0 | T 0 0 0 */
+#define RTC8564_REG_CTRL2               0x1 /* 0  0 0 TI/TP | AF TF AIE TIE */
+#define RTC8564_REG_SEC                 0x2 /* VL 4 2 1 | 8 4 2 1 */
+#define RTC8564_REG_MIN                 0x3 /* x  4 2 1 | 8 4 2 1 */
+#define RTC8564_REG_HR                  0x4 /* x  x 2 1 | 8 4 2 1 */
+#define RTC8564_REG_DAY                 0x5 /* x  x 2 1 | 8 4 2 1 */
+#define RTC8564_REG_WDAY                0x6 /* x  x x x | x 4 2 1 */
+#define RTC8564_REG_MON_CENT    0x7 /* C  x x 1 | 8 4 2 1 */
+#define RTC8564_REG_YEAR                0x8 /* 8  4 2 1 | 8 4 2 1 */
+#define RTC8564_REG_AL_MIN              0x9 /* AE 4 2 1 | 8 4 2 1 */
+#define RTC8564_REG_AL_HR               0xa /* AE 4 2 1 | 8 4 2 1 */
+#define RTC8564_REG_AL_DAY              0xb /* AE x 2 1 | 8 4 2 1 */
+#define RTC8564_REG_AL_WDAY             0xc /* AE x x x | x 4 2 1 */
+#define RTC8564_REG_CLKOUT              0xd /* FE x x x | x x FD1 FD0 */
+#define RTC8564_REG_TCTL                0xe /* TE x x x | x x FD1 FD0 */
+#define RTC8564_REG_TIMER               0xf /* 8 bit binary */
+
+/* Control reg */
+#define RTC8564_CTRL1_TEST1             (1<<3)
+#define RTC8564_CTRL1_STOP              (1<<5)
+#define RTC8564_CTRL1_TEST2             (1<<7)
+
+#define RTC8564_CTRL2_TIE               (1<<0)
+#define RTC8564_CTRL2_AIE               (1<<1)
+#define RTC8564_CTRL2_TF                (1<<2)
+#define RTC8564_CTRL2_AF                (1<<3)
+#define RTC8564_CTRL2_TI_TP             (1<<4)
+
+/* CLKOUT frequencies */
+#define RTC8564_FD_32768HZ              (0x0)
+#define RTC8564_FD_1024HZ               (0x1)
+#define RTC8564_FD_32                   (0x2)
+#define RTC8564_FD_1HZ                  (0x3)
+
+/* Timer CTRL */
+#define RTC8564_TD_4096HZ               (0x0)
+#define RTC8564_TD_64HZ                 (0x1)
+#define RTC8564_TD_1HZ                  (0x2)
+#define RTC8564_TD_1_60HZ               (0x3)
+
+#define I2C_DRIVERID_RTC8564 0xf000
diff --git a/drivers/i2c/chips/sis5595.c b/drivers/i2c/chips/sis5595.c
new file mode 100644
index 000000000000..7ea84532df32
--- /dev/null
+++ b/drivers/i2c/chips/sis5595.c
@@ -0,0 +1,816 @@
+/*
+    sis5595.c - Part of lm_sensors, Linux kernel modules
+                for hardware monitoring
+
+    Copyright (C) 1998 - 2001 Frodo Looijaard <frodol@dds.nl>,
+                        Kyösti Mälkki <kmalkki@cc.hut.fi>, and
+                        Mark D. Studebaker <mdsxyz123@yahoo.com>
+    Ported to Linux 2.6 by Aurelien Jarno <aurelien@aurel32.net> with
+    the help of Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+   SiS southbridge has a LM78-like chip integrated on the same IC.
+   This driver is a customized copy of lm78.c
+   
+   Supports following revisions:
+        Version         PCI ID          PCI Revision
+        1               1039/0008       AF or less
+        2               1039/0008       B0 or greater
+
+   Note: these chips contain a 0008 device which is incompatible with the
+         5595. We recognize these by the presence of the listed
+         "blacklist" PCI ID and refuse to load.
+
+   NOT SUPPORTED        PCI ID          BLACKLIST PCI ID        
+         540            0008            0540
+         550            0008            0550
+        5513            0008            5511
+        5581            0008            5597
+        5582            0008            5597
+        5597            0008            5597
+        5598            0008            5597/5598
+         630            0008            0630
+         645            0008            0645
+         730            0008            0730
+         735            0008            0735
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/pci.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+
+/* If force_addr is set to anything different from 0, we forcibly enable
+   the device at the given address. */
+static u16 force_addr;
+module_param(force_addr, ushort, 0);
+MODULE_PARM_DESC(force_addr,
+                 "Initialize the base address of the sensors");
+
+/* Addresses to scan.
+   Note that we can't determine the ISA address until we have initialized
+   our module */
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(sis5595);
+
+/* Many SIS5595 constants specified below */
+
+/* Length of ISA address segment */
+#define SIS5595_EXTENT 8
+/* PCI Config Registers */
+#define SIS5595_REVISION_REG 0x08
+#define SIS5595_BASE_REG 0x68
+#define SIS5595_PIN_REG 0x7A
+#define SIS5595_ENABLE_REG 0x7B
+
+/* Where are the ISA address/data registers relative to the base address */
+#define SIS5595_ADDR_REG_OFFSET 5
+#define SIS5595_DATA_REG_OFFSET 6
+
+/* The SIS5595 registers */
+#define SIS5595_REG_IN_MAX(nr) (0x2b + (nr) * 2)
+#define SIS5595_REG_IN_MIN(nr) (0x2c + (nr) * 2)
+#define SIS5595_REG_IN(nr) (0x20 + (nr))
+
+#define SIS5595_REG_FAN_MIN(nr) (0x3b + (nr))
+#define SIS5595_REG_FAN(nr) (0x28 + (nr))
+
+/* On the first version of the chip, the temp registers are separate.
+   On the second version,
+   TEMP pin is shared with IN4, configured in PCI register 0x7A.
+   The registers are the same as well.
+   OVER and HYST are really MAX and MIN. */
+
+#define REV2MIN 0xb0
+#define SIS5595_REG_TEMP        (( data->revision) >= REV2MIN) ? \
+                                        SIS5595_REG_IN(4) : 0x27
+#define SIS5595_REG_TEMP_OVER   (( data->revision) >= REV2MIN) ? \
+                                        SIS5595_REG_IN_MAX(4) : 0x39
+#define SIS5595_REG_TEMP_HYST   (( data->revision) >= REV2MIN) ? \
+                                        SIS5595_REG_IN_MIN(4) : 0x3a
+
+#define SIS5595_REG_CONFIG 0x40
+#define SIS5595_REG_ALARM1 0x41
+#define SIS5595_REG_ALARM2 0x42
+#define SIS5595_REG_FANDIV 0x47
+
+/* Conversions. Limit checking is only done on the TO_REG
+   variants. */
+
+/* IN: mV, (0V to 4.08V)
+   REG: 16mV/bit */
+static inline u8 IN_TO_REG(unsigned long val)
+{
+        unsigned long nval = SENSORS_LIMIT(val, 0, 4080);
+        return (nval + 8) / 16;
+}
+#define IN_FROM_REG(val) ((val) *  16)
+
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm <= 0)
+                return 255;
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
+}
+
+static inline int FAN_FROM_REG(u8 val, int div)
+{
+        return val==0 ? -1 : val==255 ? 0 : 1350000/(val*div);
+}
+
+/* TEMP: mC (-54.12C to +157.53C)
+   REG: 0.83C/bit + 52.12, two's complement  */
+static inline int TEMP_FROM_REG(s8 val)
+{
+        return val * 830 + 52120;
+}
+static inline s8 TEMP_TO_REG(int val)
+{
+        int nval = SENSORS_LIMIT(val, -54120, 157530) ;
+        return nval<0 ? (nval-5212-415)/830 : (nval-5212+415)/830;
+}
+
+/* FAN DIV: 1, 2, 4, or 8 (defaults to 2)
+   REG: 0, 1, 2, or 3 (respectively) (defaults to 1) */
+static inline u8 DIV_TO_REG(int val)
+{
+        return val==8 ? 3 : val==4 ? 2 : val==1 ? 0 : 1;
+}
+#define DIV_FROM_REG(val) (1 << (val))
+
+/* For the SIS5595, we need to keep some data in memory. That
+   data is pointed to by sis5595_list[NR]->data. The structure itself is
+   dynamically allocated, at the time when the new sis5595 client is
+   allocated. */
+struct sis5595_data {
+        struct i2c_client client;
+        struct semaphore lock;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+        char maxins;            /* == 3 if temp enabled, otherwise == 4 */
+        u8 revision;            /* Reg. value */
+
+        u8 in[5];               /* Register value */
+        u8 in_max[5];           /* Register value */
+        u8 in_min[5];           /* Register value */
+        u8 fan[2];              /* Register value */
+        u8 fan_min[2];          /* Register value */
+        s8 temp;                /* Register value */
+        s8 temp_over;           /* Register value */
+        s8 temp_hyst;           /* Register value */
+        u8 fan_div[2];          /* Register encoding, shifted right */
+        u16 alarms;             /* Register encoding, combined */
+};
+
+static struct pci_dev *s_bridge;        /* pointer to the (only) sis5595 */
+
+static int sis5595_attach_adapter(struct i2c_adapter *adapter);
+static int sis5595_detect(struct i2c_adapter *adapter, int address, int kind);
+static int sis5595_detach_client(struct i2c_client *client);
+
+static int sis5595_read_value(struct i2c_client *client, u8 register);
+static int sis5595_write_value(struct i2c_client *client, u8 register, u8 value);
+static struct sis5595_data *sis5595_update_device(struct device *dev);
+static void sis5595_init_client(struct i2c_client *client);
+
+static struct i2c_driver sis5595_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "sis5595",
+        .id             = I2C_DRIVERID_SIS5595,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = sis5595_attach_adapter,
+        .detach_client  = sis5595_detach_client,
+};
+
+/* 4 Voltages */
+static ssize_t show_in(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in[nr]));
+}
+
+static ssize_t show_in_min(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_min[nr]));
+}
+
+static ssize_t show_in_max(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", IN_FROM_REG(data->in_max[nr]));
+}
+
+static ssize_t set_in_min(struct device *dev, const char *buf,
+               size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = IN_TO_REG(val);
+        sis5595_write_value(client, SIS5595_REG_IN_MIN(nr), data->in_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t set_in_max(struct device *dev, const char *buf,
+               size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = IN_TO_REG(val);
+        sis5595_write_value(client, SIS5595_REG_IN_MAX(nr), data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_in_offset(offset)                                  \
+static ssize_t                                                  \
+        show_in##offset (struct device *dev, char *buf)         \
+{                                                               \
+        return show_in(dev, buf, offset);                       \
+}                                                               \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO,                 \
+                show_in##offset, NULL);                         \
+static ssize_t                                                  \
+        show_in##offset##_min (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_min(dev, buf, offset);                   \
+}                                                               \
+static ssize_t                                                  \
+        show_in##offset##_max (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_max(dev, buf, offset);                   \
+}                                                               \
+static ssize_t set_in##offset##_min (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_min(dev, buf, count, offset);             \
+}                                                               \
+static ssize_t set_in##offset##_max (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_max(dev, buf, count, offset);             \
+}                                                               \
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_min, set_in##offset##_min);   \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_max, set_in##offset##_max);
+
+show_in_offset(0);
+show_in_offset(1);
+show_in_offset(2);
+show_in_offset(3);
+show_in_offset(4);
+
+/* Temperature */
+static ssize_t show_temp(struct device *dev, char *buf)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
+}
+
+static ssize_t show_temp_over(struct device *dev, char *buf)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
+}
+
+static ssize_t set_temp_over(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_over = TEMP_TO_REG(val);
+        sis5595_write_value(client, SIS5595_REG_TEMP_OVER, data->temp_over);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_temp_hyst(struct device *dev, char *buf)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_hyst));
+}
+
+static ssize_t set_temp_hyst(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        long val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_hyst = TEMP_TO_REG(val);
+        sis5595_write_value(client, SIS5595_REG_TEMP_HYST, data->temp_hyst);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static DEVICE_ATTR(temp1_max, S_IRUGO | S_IWUSR,
+                show_temp_over, set_temp_over);
+static DEVICE_ATTR(temp1_max_hyst, S_IRUGO | S_IWUSR,
+                show_temp_hyst, set_temp_hyst);
+
+/* 2 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
+                DIV_FROM_REG(data->fan_div[nr])) );
+}
+
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan_min[nr],
+                DIV_FROM_REG(data->fan_div[nr])) );
+}
+
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+        sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+        size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        unsigned long min;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+        int reg;
+
+        down(&data->update_lock);
+        min = FAN_FROM_REG(data->fan_min[nr],
+                        DIV_FROM_REG(data->fan_div[nr]));
+        reg = sis5595_read_value(client, SIS5595_REG_FANDIV);
+
+        switch (val) {
+        case 1: data->fan_div[nr] = 0; break;
+        case 2: data->fan_div[nr] = 1; break;
+        case 4: data->fan_div[nr] = 2; break;
+        case 8: data->fan_div[nr] = 3; break;
+        default:
+                dev_err(&client->dev, "fan_div value %ld not "
+                        "supported. Choose one of 1, 2, 4 or 8!\n", val);
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+        
+        switch (nr) {
+        case 0:
+                reg = (reg & 0xcf) | (data->fan_div[nr] << 4);
+                break;
+        case 1:
+                reg = (reg & 0x3f) | (data->fan_div[nr] << 6);
+                break;
+        }
+        sis5595_write_value(client, SIS5595_REG_FANDIV, reg);
+        data->fan_min[nr] =
+                FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        sis5595_write_value(client, SIS5595_REG_FAN_MIN(nr), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_fan_offset(offset)                                         \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                  \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_min, set_fan_##offset##_min);
+
+show_fan_offset(1);
+show_fan_offset(2);
+
+static ssize_t set_fan_1_div(struct device *dev, const char *buf,
+                size_t count)
+{
+        return set_fan_div(dev, buf, count, 0) ;
+}
+
+static ssize_t set_fan_2_div(struct device *dev, const char *buf,
+                size_t count)
+{
+        return set_fan_div(dev, buf, count, 1) ;
+}
+static DEVICE_ATTR(fan1_div, S_IRUGO | S_IWUSR,
+                show_fan_1_div, set_fan_1_div);
+static DEVICE_ATTR(fan2_div, S_IRUGO | S_IWUSR,
+                show_fan_2_div, set_fan_2_div);
+
+/* Alarms */
+static ssize_t show_alarms(struct device *dev, char *buf)
+{
+        struct sis5595_data *data = sis5595_update_device(dev);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL);
+ 
+/* This is called when the module is loaded */
+static int sis5595_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, sis5595_detect);
+}
+
+int sis5595_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int err = 0;
+        int i;
+        struct i2c_client *new_client;
+        struct sis5595_data *data;
+        char val;
+        u16 a;
+
+        /* Make sure we are probing the ISA bus!!  */
+        if (!i2c_is_isa_adapter(adapter))
+                goto exit;
+
+        if (force_addr)
+                address = force_addr & ~(SIS5595_EXTENT - 1);
+        /* Reserve the ISA region */
+        if (!request_region(address, SIS5595_EXTENT, sis5595_driver.name)) {
+                err = -EBUSY;
+                goto exit;
+        }
+        if (force_addr) {
+                dev_warn(&adapter->dev, "forcing ISA address 0x%04X\n", address);
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_write_config_word(s_bridge, SIS5595_BASE_REG, address))
+                        goto exit_release;
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_read_config_word(s_bridge, SIS5595_BASE_REG, &a))
+                        goto exit_release;
+                if ((a & ~(SIS5595_EXTENT - 1)) != address)
+                        /* doesn't work for some chips? */
+                        goto exit_release;
+        }
+
+        if (PCIBIOS_SUCCESSFUL !=
+            pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val)) {
+                goto exit_release;
+        }
+        if ((val & 0x80) == 0) {
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_write_config_byte(s_bridge, SIS5595_ENABLE_REG,
+                                          val | 0x80))
+                        goto exit_release;
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_read_config_byte(s_bridge, SIS5595_ENABLE_REG, &val))
+                        goto exit_release;
+                if ((val & 0x80) == 0) 
+                        /* doesn't work for some chips! */
+                        goto exit_release;
+        }
+
+        if (!(data = kmalloc(sizeof(struct sis5595_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit_release;
+        }
+        memset(data, 0, sizeof(struct sis5595_data));
+
+        new_client = &data->client;
+        new_client->addr = address;
+        init_MUTEX(&data->lock);
+        i2c_set_clientdata(new_client, data);
+        new_client->adapter = adapter;
+        new_client->driver = &sis5595_driver;
+        new_client->flags = 0;
+
+        /* Check revision and pin registers to determine whether 4 or 5 voltages */
+        pci_read_config_byte(s_bridge, SIS5595_REVISION_REG, &(data->revision));
+        /* 4 voltages, 1 temp */
+        data->maxins = 3;
+        if (data->revision >= REV2MIN) {
+                pci_read_config_byte(s_bridge, SIS5595_PIN_REG, &val);
+                if (!(val & 0x80))
+                        /* 5 voltages, no temps */
+                        data->maxins = 4;
+        }
+        
+        /* Fill in the remaining client fields and put it into the global list */
+        strlcpy(new_client->name, "sis5595", I2C_NAME_SIZE);
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto exit_free;
+        
+        /* Initialize the SIS5595 chip */
+        sis5595_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        for (i = 0; i < 2; i++) {
+                data->fan_min[i] = sis5595_read_value(new_client,
+                                        SIS5595_REG_FAN_MIN(i));
+        }
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        if (data->maxins == 4) {
+                device_create_file(&new_client->dev, &dev_attr_in4_input);
+                device_create_file(&new_client->dev, &dev_attr_in4_min);
+                device_create_file(&new_client->dev, &dev_attr_in4_max);
+        }
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+        if (data->maxins == 3) {
+                device_create_file(&new_client->dev, &dev_attr_temp1_input);
+                device_create_file(&new_client->dev, &dev_attr_temp1_max);
+                device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        }
+        return 0;
+        
+exit_free:
+        kfree(data);
+exit_release:
+        release_region(address, SIS5595_EXTENT);
+exit:
+        return err;
+}
+
+static int sis5595_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                    "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        if (i2c_is_isa_client(client))
+                release_region(client->addr, SIS5595_EXTENT);
+
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+
+/* ISA access must be locked explicitly. */
+static int sis5595_read_value(struct i2c_client *client, u8 reg)
+{
+        int res;
+
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        down(&data->lock);
+        outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
+        res = inb_p(client->addr + SIS5595_DATA_REG_OFFSET);
+        up(&data->lock);
+        return res;
+}
+
+static int sis5595_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        down(&data->lock);
+        outb_p(reg, client->addr + SIS5595_ADDR_REG_OFFSET);
+        outb_p(value, client->addr + SIS5595_DATA_REG_OFFSET);
+        up(&data->lock);
+        return 0;
+}
+
+/* Called when we have found a new SIS5595. */
+static void sis5595_init_client(struct i2c_client *client)
+{
+        u8 config = sis5595_read_value(client, SIS5595_REG_CONFIG);
+        if (!(config & 0x01))
+                sis5595_write_value(client, SIS5595_REG_CONFIG,
+                                (config & 0xf7) | 0x01);
+}
+
+static struct sis5595_data *sis5595_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct sis5595_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+
+                for (i = 0; i <= data->maxins; i++) {
+                        data->in[i] =
+                            sis5595_read_value(client, SIS5595_REG_IN(i));
+                        data->in_min[i] =
+                            sis5595_read_value(client,
+                                               SIS5595_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            sis5595_read_value(client,
+                                               SIS5595_REG_IN_MAX(i));
+                }
+                for (i = 0; i < 2; i++) {
+                        data->fan[i] =
+                            sis5595_read_value(client, SIS5595_REG_FAN(i));
+                        data->fan_min[i] =
+                            sis5595_read_value(client,
+                                               SIS5595_REG_FAN_MIN(i));
+                }
+                if (data->maxins == 3) {
+                        data->temp =
+                            sis5595_read_value(client, SIS5595_REG_TEMP);
+                        data->temp_over =
+                            sis5595_read_value(client, SIS5595_REG_TEMP_OVER);
+                        data->temp_hyst =
+                            sis5595_read_value(client, SIS5595_REG_TEMP_HYST);
+                }
+                i = sis5595_read_value(client, SIS5595_REG_FANDIV);
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = i >> 6;
+                data->alarms =
+                    sis5595_read_value(client, SIS5595_REG_ALARM1) |
+                    (sis5595_read_value(client, SIS5595_REG_ALARM2) << 8);
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static struct pci_device_id sis5595_pci_ids[] = {
+        { PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
+        { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, sis5595_pci_ids);
+
+static int blacklist[] __devinitdata = {
+        PCI_DEVICE_ID_SI_540,
+        PCI_DEVICE_ID_SI_550,
+        PCI_DEVICE_ID_SI_630,
+        PCI_DEVICE_ID_SI_645,
+        PCI_DEVICE_ID_SI_730,
+        PCI_DEVICE_ID_SI_735,
+        PCI_DEVICE_ID_SI_5511, /* 5513 chip has the 0008 device but
+                                  that ID shows up in other chips so we
+                                  use the 5511 ID for recognition */
+        PCI_DEVICE_ID_SI_5597,
+        PCI_DEVICE_ID_SI_5598,
+        0 };
+
+static int __devinit sis5595_pci_probe(struct pci_dev *dev,
+                                       const struct pci_device_id *id)
+{
+        u16 val;
+        int *i;
+        int addr = 0;
+
+        for (i = blacklist; *i != 0; i++) {
+                struct pci_dev *dev;
+                dev = pci_get_device(PCI_VENDOR_ID_SI, *i, NULL);
+                if (dev) {
+                        dev_err(&dev->dev, "Looked for SIS5595 but found unsupported device %.4x\n", *i);
+                        pci_dev_put(dev);
+                        return -ENODEV;
+                }
+        }
+        
+        if (PCIBIOS_SUCCESSFUL !=
+            pci_read_config_word(dev, SIS5595_BASE_REG, &val))
+                return -ENODEV;
+        
+        addr = val & ~(SIS5595_EXTENT - 1);
+        if (addr == 0 && force_addr == 0) {
+                dev_err(&dev->dev, "Base address not set - upgrade BIOS or use force_addr=0xaddr\n");
+                return -ENODEV;
+        }
+        if (force_addr)
+                addr = force_addr;      /* so detect will get called */
+
+        if (!addr) {
+                dev_err(&dev->dev,"No SiS 5595 sensors found.\n");
+                return -ENODEV;
+        }
+        normal_isa[0] = addr;
+
+        s_bridge = pci_dev_get(dev);
+        if (i2c_add_driver(&sis5595_driver)) {
+                pci_dev_put(s_bridge);
+                s_bridge = NULL;
+        }
+
+        /* Always return failure here.  This is to allow other drivers to bind
+         * to this pci device.  We don't really want to have control over the
+         * pci device, we only wanted to read as few register values from it.
+         */
+        return -ENODEV;
+}
+
+static struct pci_driver sis5595_pci_driver = {
+        .name            = "sis5595",
+        .id_table        = sis5595_pci_ids,
+        .probe           = sis5595_pci_probe,
+};
+
+static int __init sm_sis5595_init(void)
+{
+        return pci_register_driver(&sis5595_pci_driver);
+}
+
+static void __exit sm_sis5595_exit(void)
+{
+        pci_unregister_driver(&sis5595_pci_driver);
+        if (s_bridge != NULL) {
+                i2c_del_driver(&sis5595_driver);
+                pci_dev_put(s_bridge);
+                s_bridge = NULL;
+        }
+}
+
+MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
+MODULE_DESCRIPTION("SiS 5595 Sensor device");
+MODULE_LICENSE("GPL");
+
+module_init(sm_sis5595_init);
+module_exit(sm_sis5595_exit);
diff --git a/drivers/i2c/chips/smsc47b397.c b/drivers/i2c/chips/smsc47b397.c
new file mode 100644
index 000000000000..1119c76791d9
--- /dev/null
+++ b/drivers/i2c/chips/smsc47b397.c
@@ -0,0 +1,352 @@
+/*
+    smsc47b397.c - Part of lm_sensors, Linux kernel modules
+                        for hardware monitoring
+
+    Supports the SMSC LPC47B397-NC Super-I/O chip.
+
+    Author/Maintainer: Mark M. Hoffman <mhoffman@lightlink.com>
+        Copyright (C) 2004 Utilitek Systems, Inc.
+
+    derived in part from smsc47m1.c:
+        Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+        Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+/* Address is autodetected, there is no default value */
+static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
+static struct i2c_force_data forces[] = {{NULL}};
+
+enum chips { any_chip, smsc47b397 };
+static struct i2c_address_data addr_data = {
+        .normal_i2c             = normal_i2c,
+        .normal_isa             = normal_isa,
+        .probe                  = normal_i2c,           /* cheat */
+        .ignore                 = normal_i2c,           /* cheat */
+        .forces                 = forces,
+};
+
+/* Super-I/0 registers and commands */
+
+#define REG     0x2e    /* The register to read/write */
+#define VAL     0x2f    /* The value to read/write */
+
+static inline void superio_outb(int reg, int val)
+{
+        outb(reg, REG);
+        outb(val, VAL);
+}
+
+static inline int superio_inb(int reg)
+{
+        outb(reg, REG);
+        return inb(VAL);
+}
+
+/* select superio logical device */
+static inline void superio_select(int ld)
+{
+        superio_outb(0x07, ld);
+}
+
+static inline void superio_enter(void)
+{
+        outb(0x55, REG);
+}
+
+static inline void superio_exit(void)
+{
+        outb(0xAA, REG);
+}
+
+#define SUPERIO_REG_DEVID       0x20
+#define SUPERIO_REG_DEVREV      0x21
+#define SUPERIO_REG_BASE_MSB    0x60
+#define SUPERIO_REG_BASE_LSB    0x61
+#define SUPERIO_REG_LD8         0x08
+
+#define SMSC_EXTENT             0x02
+
+/* 0 <= nr <= 3 */
+static u8 smsc47b397_reg_temp[] = {0x25, 0x26, 0x27, 0x80};
+#define SMSC47B397_REG_TEMP(nr) (smsc47b397_reg_temp[(nr)])
+
+/* 0 <= nr <= 3 */
+#define SMSC47B397_REG_FAN_LSB(nr) (0x28 + 2 * (nr))
+#define SMSC47B397_REG_FAN_MSB(nr) (0x29 + 2 * (nr))
+
+struct smsc47b397_data {
+        struct i2c_client client;
+        struct semaphore lock;
+
+        struct semaphore update_lock;
+        unsigned long last_updated; /* in jiffies */
+        int valid;
+
+        /* register values */
+        u16 fan[4];
+        u8 temp[4];
+};
+
+static int smsc47b397_read_value(struct i2c_client *client, u8 reg)
+{
+        struct smsc47b397_data *data = i2c_get_clientdata(client);
+        int res;
+
+        down(&data->lock);
+        outb(reg, client->addr);
+        res = inb_p(client->addr + 1);
+        up(&data->lock);
+        return res;
+}
+
+static struct smsc47b397_data *smsc47b397_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47b397_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ) || !data->valid) {
+                dev_dbg(&client->dev, "starting device update...\n");
+
+                /* 4 temperature inputs, 4 fan inputs */
+                for (i = 0; i < 4; i++) {
+                        data->temp[i] = smsc47b397_read_value(client,
+                                        SMSC47B397_REG_TEMP(i));
+
+                        /* must read LSB first */
+                        data->fan[i]  = smsc47b397_read_value(client,
+                                        SMSC47B397_REG_FAN_LSB(i));
+                        data->fan[i] |= smsc47b397_read_value(client,
+                                        SMSC47B397_REG_FAN_MSB(i)) << 8;
+                }
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+
+                dev_dbg(&client->dev, "... device update complete\n");
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+/* TEMP: 0.001C/bit (-128C to +127C)
+   REG: 1C/bit, two's complement */
+static int temp_from_reg(u8 reg)
+{
+        return (s8)reg * 1000;
+}
+
+/* 0 <= nr <= 3 */
+static ssize_t show_temp(struct device *dev, char *buf, int nr)
+{
+        struct smsc47b397_data *data = smsc47b397_update_device(dev);
+        return sprintf(buf, "%d\n", temp_from_reg(data->temp[nr]));
+}
+
+#define sysfs_temp(num) \
+static ssize_t show_temp##num(struct device *dev, char *buf) \
+{ \
+        return show_temp(dev, buf, num-1); \
+} \
+static DEVICE_ATTR(temp##num##_input, S_IRUGO, show_temp##num, NULL)
+
+sysfs_temp(1);
+sysfs_temp(2);
+sysfs_temp(3);
+sysfs_temp(4);
+
+#define device_create_file_temp(client, num) \
+        device_create_file(&client->dev, &dev_attr_temp##num##_input)
+
+/* FAN: 1 RPM/bit
+   REG: count of 90kHz pulses / revolution */
+static int fan_from_reg(u16 reg)
+{
+        return 90000 * 60 / reg;
+}
+
+/* 0 <= nr <= 3 */
+static ssize_t show_fan(struct device *dev, char *buf, int nr)
+{
+        struct smsc47b397_data *data = smsc47b397_update_device(dev);
+        return sprintf(buf, "%d\n", fan_from_reg(data->fan[nr]));
+}
+
+#define sysfs_fan(num) \
+static ssize_t show_fan##num(struct device *dev, char *buf) \
+{ \
+        return show_fan(dev, buf, num-1); \
+} \
+static DEVICE_ATTR(fan##num##_input, S_IRUGO, show_fan##num, NULL)
+
+sysfs_fan(1);
+sysfs_fan(2);
+sysfs_fan(3);
+sysfs_fan(4);
+
+#define device_create_file_fan(client, num) \
+        device_create_file(&client->dev, &dev_attr_fan##num##_input)
+
+static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind);
+
+static int smsc47b397_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, smsc47b397_detect);
+}
+
+static int smsc47b397_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        release_region(client->addr, SMSC_EXTENT);
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+static struct i2c_driver smsc47b397_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "smsc47b397",
+        .id             = I2C_DRIVERID_SMSC47B397,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = smsc47b397_attach_adapter,
+        .detach_client  = smsc47b397_detach_client,
+};
+
+static int smsc47b397_detect(struct i2c_adapter *adapter, int addr, int kind)
+{
+        struct i2c_client *new_client;
+        struct smsc47b397_data *data;
+        int err = 0;
+
+        if (!i2c_is_isa_adapter(adapter)) {
+                return 0;
+        }
+
+        if (!request_region(addr, SMSC_EXTENT, smsc47b397_driver.name)) {
+                dev_err(&adapter->dev, "Region 0x%x already in use!\n", addr);
+                return -EBUSY;
+        }
+
+        if (!(data = kmalloc(sizeof(struct smsc47b397_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto error_release;
+        }
+        memset(data, 0x00, sizeof(struct smsc47b397_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = addr;
+        init_MUTEX(&data->lock);
+        new_client->adapter = adapter;
+        new_client->driver = &smsc47b397_driver;
+        new_client->flags = 0;
+
+        strlcpy(new_client->name, "smsc47b397", I2C_NAME_SIZE);
+
+        init_MUTEX(&data->update_lock);
+
+        if ((err = i2c_attach_client(new_client)))
+                goto error_free;
+
+        device_create_file_temp(new_client, 1);
+        device_create_file_temp(new_client, 2);
+        device_create_file_temp(new_client, 3);
+        device_create_file_temp(new_client, 4);
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        device_create_file_fan(new_client, 3);
+        device_create_file_fan(new_client, 4);
+
+        return 0;
+
+error_free:
+        kfree(new_client);
+error_release:
+        release_region(addr, SMSC_EXTENT);
+        return err;
+}
+
+static int __init smsc47b397_find(unsigned int *addr)
+{
+        u8 id, rev;
+
+        superio_enter();
+        id = superio_inb(SUPERIO_REG_DEVID);
+
+        if (id != 0x6f) {
+                superio_exit();
+                return -ENODEV;
+        }
+
+        rev = superio_inb(SUPERIO_REG_DEVREV);
+
+        superio_select(SUPERIO_REG_LD8);
+        *addr = (superio_inb(SUPERIO_REG_BASE_MSB) << 8)
+                 |  superio_inb(SUPERIO_REG_BASE_LSB);
+
+        printk(KERN_INFO "smsc47b397: found SMSC LPC47B397-NC "
+                "(base address 0x%04x, revision %u)\n", *addr, rev);
+
+        superio_exit();
+        return 0;
+}
+
+static int __init smsc47b397_init(void)
+{
+        int ret;
+
+        if ((ret = smsc47b397_find(normal_isa)))
+                return ret;
+
+        return i2c_add_driver(&smsc47b397_driver);
+}
+
+static void __exit smsc47b397_exit(void)
+{
+        i2c_del_driver(&smsc47b397_driver);
+}
+
+MODULE_AUTHOR("Mark M. Hoffman <mhoffman@lightlink.com>");
+MODULE_DESCRIPTION("SMSC LPC47B397 driver");
+MODULE_LICENSE("GPL");
+
+module_init(smsc47b397_init);
+module_exit(smsc47b397_exit);
diff --git a/drivers/i2c/chips/smsc47m1.c b/drivers/i2c/chips/smsc47m1.c
new file mode 100644
index 000000000000..0e12ca369413
--- /dev/null
+++ b/drivers/i2c/chips/smsc47m1.c
@@ -0,0 +1,591 @@
+/*
+    smsc47m1.c - Part of lm_sensors, Linux kernel modules
+                 for hardware monitoring
+
+    Supports the SMSC LPC47B27x, LPC47M10x, LPC47M13x and LPC47M14x
+    Super-I/O chips.
+
+    Copyright (C) 2002 Mark D. Studebaker <mdsxyz123@yahoo.com>
+    Copyright (C) 2004 Jean Delvare <khali@linux-fr.org>
+    Ported to Linux 2.6 by Gabriele Gorla <gorlik@yahoo.com>
+                        and Jean Delvare
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+/* Address is autodetected, there is no default value */
+static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
+static struct i2c_force_data forces[] = {{NULL}};
+
+enum chips { any_chip, smsc47m1 };
+static struct i2c_address_data addr_data = {
+        .normal_i2c             = normal_i2c,
+        .normal_isa             = normal_isa,
+        .forces                 = forces,
+};
+
+/* Super-I/0 registers and commands */
+
+#define REG     0x2e    /* The register to read/write */
+#define VAL     0x2f    /* The value to read/write */
+
+static inline void
+superio_outb(int reg, int val)
+{
+        outb(reg, REG);
+        outb(val, VAL);
+}
+
+static inline int
+superio_inb(int reg)
+{
+        outb(reg, REG);
+        return inb(VAL);
+}
+
+/* logical device for fans is 0x0A */
+#define superio_select() superio_outb(0x07, 0x0A)
+
+static inline void
+superio_enter(void)
+{
+        outb(0x55, REG);
+}
+
+static inline void
+superio_exit(void)
+{
+        outb(0xAA, REG);
+}
+
+#define SUPERIO_REG_ACT         0x30
+#define SUPERIO_REG_BASE        0x60
+#define SUPERIO_REG_DEVID       0x20
+
+/* Logical device registers */
+
+#define SMSC_EXTENT             0x80
+
+/* nr is 0 or 1 in the macros below */
+#define SMSC47M1_REG_ALARM              0x04
+#define SMSC47M1_REG_TPIN(nr)           (0x34 - (nr))
+#define SMSC47M1_REG_PPIN(nr)           (0x36 - (nr))
+#define SMSC47M1_REG_PWM(nr)            (0x56 + (nr))
+#define SMSC47M1_REG_FANDIV             0x58
+#define SMSC47M1_REG_FAN(nr)            (0x59 + (nr))
+#define SMSC47M1_REG_FAN_PRELOAD(nr)    (0x5B + (nr))
+
+#define MIN_FROM_REG(reg,div)           ((reg)>=192 ? 0 : \
+                                         983040/((192-(reg))*(div)))
+#define FAN_FROM_REG(reg,div,preload)   ((reg)<=(preload) || (reg)==255 ? 0 : \
+                                         983040/(((reg)-(preload))*(div)))
+#define DIV_FROM_REG(reg)               (1 << (reg))
+#define PWM_FROM_REG(reg)               (((reg) & 0x7E) << 1)
+#define PWM_EN_FROM_REG(reg)            ((~(reg)) & 0x01)
+#define PWM_TO_REG(reg)                 (((reg) >> 1) & 0x7E)
+
+struct smsc47m1_data {
+        struct i2c_client client;
+        struct semaphore lock;
+
+        struct semaphore update_lock;
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 fan[2];              /* Register value */
+        u8 fan_preload[2];      /* Register value */
+        u8 fan_div[2];          /* Register encoding, shifted right */
+        u8 alarms;              /* Register encoding */
+        u8 pwm[2];              /* Register value (bit 7 is enable) */
+};
+
+
+static int smsc47m1_attach_adapter(struct i2c_adapter *adapter);
+static int smsc47m1_find(int *address);
+static int smsc47m1_detect(struct i2c_adapter *adapter, int address, int kind);
+static int smsc47m1_detach_client(struct i2c_client *client);
+
+static int smsc47m1_read_value(struct i2c_client *client, u8 reg);
+static void smsc47m1_write_value(struct i2c_client *client, u8 reg, u8 value);
+
+static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
+                int init);
+
+
+static struct i2c_driver smsc47m1_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "smsc47m1",
+        .id             = I2C_DRIVERID_SMSC47M1,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = smsc47m1_attach_adapter,
+        .detach_client  = smsc47m1_detach_client,
+};
+
+/* nr is 0 or 1 in the callback functions below */
+
+static ssize_t get_fan(struct device *dev, char *buf, int nr)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        /* This chip (stupidly) stops monitoring fan speed if PWM is
+           enabled and duty cycle is 0%. This is fine if the monitoring
+           and control concern the same fan, but troublesome if they are
+           not (which could as well happen). */
+        int rpm = (data->pwm[nr] & 0x7F) == 0x00 ? 0 :
+                  FAN_FROM_REG(data->fan[nr],
+                               DIV_FROM_REG(data->fan_div[nr]),
+                               data->fan_preload[nr]);
+        return sprintf(buf, "%d\n", rpm);
+}
+
+static ssize_t get_fan_min(struct device *dev, char *buf, int nr)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        int rpm = MIN_FROM_REG(data->fan_preload[nr],
+                               DIV_FROM_REG(data->fan_div[nr]));
+        return sprintf(buf, "%d\n", rpm);
+}
+
+static ssize_t get_fan_div(struct device *dev, char *buf, int nr)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
+}
+
+static ssize_t get_pwm(struct device *dev, char *buf, int nr)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm[nr]));
+}
+
+static ssize_t get_pwm_en(struct device *dev, char *buf, int nr)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        return sprintf(buf, "%d\n", PWM_EN_FROM_REG(data->pwm[nr]));
+}
+
+static ssize_t get_alarms(struct device *dev, char *buf)
+{
+        struct smsc47m1_data *data = smsc47m1_update_device(dev, 0);
+        return sprintf(buf, "%d\n", data->alarms);
+}
+
+static ssize_t set_fan_min(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47m1_data *data = i2c_get_clientdata(client);
+        long rpmdiv, val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        rpmdiv = val * DIV_FROM_REG(data->fan_div[nr]);
+
+        if (983040 > 192 * rpmdiv || 2 * rpmdiv > 983040) {
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        data->fan_preload[nr] = 192 - ((983040 + rpmdiv / 2) / rpmdiv);
+        smsc47m1_write_value(client, SMSC47M1_REG_FAN_PRELOAD(nr),
+                             data->fan_preload[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan clock divider.  This follows the principle
+   of least suprise; the user doesn't expect the fan minimum to change just
+   because the divider changed. */
+static ssize_t set_fan_div(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47m1_data *data = i2c_get_clientdata(client);
+
+        long new_div = simple_strtol(buf, NULL, 10), tmp;
+        u8 old_div = DIV_FROM_REG(data->fan_div[nr]);
+
+        if (new_div == old_div) /* No change */
+                return count;
+
+        down(&data->update_lock);
+        switch (new_div) {
+        case 1: data->fan_div[nr] = 0; break;
+        case 2: data->fan_div[nr] = 1; break;
+        case 4: data->fan_div[nr] = 2; break;
+        case 8: data->fan_div[nr] = 3; break;
+        default:
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        tmp = smsc47m1_read_value(client, SMSC47M1_REG_FANDIV) & 0x0F;
+        tmp |= (data->fan_div[0] << 4) | (data->fan_div[1] << 6);
+        smsc47m1_write_value(client, SMSC47M1_REG_FANDIV, tmp);
+
+        /* Preserve fan min */
+        tmp = 192 - (old_div * (192 - data->fan_preload[nr])
+                     + new_div / 2) / new_div;
+        data->fan_preload[nr] = SENSORS_LIMIT(tmp, 0, 191);
+        smsc47m1_write_value(client, SMSC47M1_REG_FAN_PRELOAD(nr),
+                             data->fan_preload[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+static ssize_t set_pwm(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47m1_data *data = i2c_get_clientdata(client);
+
+        long val = simple_strtol(buf, NULL, 10);
+
+        if (val < 0 || val > 255)
+                return -EINVAL;
+
+        down(&data->update_lock);
+        data->pwm[nr] &= 0x81; /* Preserve additional bits */
+        data->pwm[nr] |= PWM_TO_REG(val);
+        smsc47m1_write_value(client, SMSC47M1_REG_PWM(nr),
+                             data->pwm[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+static ssize_t set_pwm_en(struct device *dev, const char *buf,
+                size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47m1_data *data = i2c_get_clientdata(client);
+
+        long val = simple_strtol(buf, NULL, 10);
+        
+        if (val != 0 && val != 1)
+                return -EINVAL;
+
+        down(&data->update_lock);
+        data->pwm[nr] &= 0xFE; /* preserve the other bits */
+        data->pwm[nr] |= !val;
+        smsc47m1_write_value(client, SMSC47M1_REG_PWM(nr),
+                             data->pwm[nr]);
+        up(&data->update_lock);
+
+        return count;
+}
+
+#define fan_present(offset)                                             \
+static ssize_t get_fan##offset (struct device *dev, char *buf)          \
+{                                                                       \
+        return get_fan(dev, buf, offset - 1);                           \
+}                                                                       \
+static ssize_t get_fan##offset##_min (struct device *dev, char *buf)    \
+{                                                                       \
+        return get_fan_min(dev, buf, offset - 1);                       \
+}                                                                       \
+static ssize_t set_fan##offset##_min (struct device *dev,               \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static ssize_t get_fan##offset##_div (struct device *dev, char *buf)    \
+{                                                                       \
+        return get_fan_div(dev, buf, offset - 1);                       \
+}                                                                       \
+static ssize_t set_fan##offset##_div (struct device *dev,               \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_div(dev, buf, count, offset - 1);                \
+}                                                                       \
+static ssize_t get_pwm##offset (struct device *dev, char *buf)          \
+{                                                                       \
+        return get_pwm(dev, buf, offset - 1);                           \
+}                                                                       \
+static ssize_t set_pwm##offset (struct device *dev,                     \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_pwm(dev, buf, count, offset - 1);                    \
+}                                                                       \
+static ssize_t get_pwm##offset##_en (struct device *dev, char *buf)     \
+{                                                                       \
+        return get_pwm_en(dev, buf, offset - 1);                        \
+}                                                                       \
+static ssize_t set_pwm##offset##_en (struct device *dev,                \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_pwm_en(dev, buf, count, offset - 1);                 \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, get_fan##offset,       \
+                NULL);                                                  \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                get_fan##offset##_min, set_fan##offset##_min);          \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,                \
+                get_fan##offset##_div, set_fan##offset##_div);          \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,                      \
+                get_pwm##offset, set_pwm##offset);                      \
+static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR,             \
+                get_pwm##offset##_en, set_pwm##offset##_en);
+
+fan_present(1);
+fan_present(2);
+
+static DEVICE_ATTR(alarms, S_IRUGO, get_alarms, NULL);
+
+static int smsc47m1_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, smsc47m1_detect);
+}
+
+static int smsc47m1_find(int *address)
+{
+        u8 val;
+
+        superio_enter();
+        val = superio_inb(SUPERIO_REG_DEVID);
+
+        /*
+         * SMSC LPC47M10x/LPC47M13x (device id 0x59), LPC47M14x (device id
+         * 0x5F) and LPC47B27x (device id 0x51) have fan control.
+         * The LPC47M15x and LPC47M192 chips "with hardware monitoring block"
+         * can do much more besides (device id 0x60, unsupported).
+         */
+        if (val == 0x51)
+                printk(KERN_INFO "smsc47m1: Found SMSC47B27x\n");
+        else if (val == 0x59)
+                printk(KERN_INFO "smsc47m1: Found SMSC47M10x/SMSC47M13x\n");
+        else if (val == 0x5F)
+                printk(KERN_INFO "smsc47m1: Found SMSC47M14x\n");
+        else {
+                superio_exit();
+                return -ENODEV;
+        }
+
+        superio_select();
+        *address = (superio_inb(SUPERIO_REG_BASE) << 8)
+                 |  superio_inb(SUPERIO_REG_BASE + 1);
+        val = superio_inb(SUPERIO_REG_ACT);
+        if (*address == 0 || (val & 0x01) == 0) {
+                printk(KERN_INFO "smsc47m1: Device is disabled, will not use\n");
+                superio_exit();
+                return -ENODEV;
+        }
+
+        superio_exit();
+        return 0;
+}
+
+static int smsc47m1_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct smsc47m1_data *data;
+        int err = 0;
+        int fan1, fan2, pwm1, pwm2;
+
+        if (!i2c_is_isa_adapter(adapter)) {
+                return 0;
+        }
+
+        if (!request_region(address, SMSC_EXTENT, smsc47m1_driver.name)) {
+                dev_err(&adapter->dev, "Region 0x%x already in use!\n", address);
+                return -EBUSY;
+        }
+
+        if (!(data = kmalloc(sizeof(struct smsc47m1_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto error_release;
+        }
+        memset(data, 0x00, sizeof(struct smsc47m1_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        init_MUTEX(&data->lock);
+        new_client->adapter = adapter;
+        new_client->driver = &smsc47m1_driver;
+        new_client->flags = 0;
+
+        strlcpy(new_client->name, "smsc47m1", I2C_NAME_SIZE);
+        init_MUTEX(&data->update_lock);
+
+        /* If no function is properly configured, there's no point in
+           actually registering the chip. */
+        fan1 = (smsc47m1_read_value(new_client, SMSC47M1_REG_TPIN(0)) & 0x05)
+               == 0x05;
+        fan2 = (smsc47m1_read_value(new_client, SMSC47M1_REG_TPIN(1)) & 0x05)
+               == 0x05;
+        pwm1 = (smsc47m1_read_value(new_client, SMSC47M1_REG_PPIN(0)) & 0x05)
+               == 0x04;
+        pwm2 = (smsc47m1_read_value(new_client, SMSC47M1_REG_PPIN(1)) & 0x05)
+               == 0x04;
+        if (!(fan1 || fan2 || pwm1 || pwm2)) {
+                dev_warn(&new_client->dev, "Device is not configured, will not use\n");
+                err = -ENODEV;
+                goto error_free;
+        }
+
+        if ((err = i2c_attach_client(new_client)))
+                goto error_free;
+
+        /* Some values (fan min, clock dividers, pwm registers) may be
+           needed before any update is triggered, so we better read them
+           at least once here. We don't usually do it that way, but in
+           this particular case, manually reading 5 registers out of 8
+           doesn't make much sense and we're better using the existing
+           function. */
+        smsc47m1_update_device(&new_client->dev, 1);
+
+        if (fan1) {
+                device_create_file(&new_client->dev, &dev_attr_fan1_input);
+                device_create_file(&new_client->dev, &dev_attr_fan1_min);
+                device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        } else
+                dev_dbg(&new_client->dev, "Fan 1 not enabled by hardware, "
+                        "skipping\n");
+
+        if (fan2) {
+                device_create_file(&new_client->dev, &dev_attr_fan2_input);
+                device_create_file(&new_client->dev, &dev_attr_fan2_min);
+                device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        } else
+                dev_dbg(&new_client->dev, "Fan 2 not enabled by hardware, "
+                        "skipping\n");
+
+        if (pwm1) {
+                device_create_file(&new_client->dev, &dev_attr_pwm1);
+                device_create_file(&new_client->dev, &dev_attr_pwm1_enable);
+        } else
+                dev_dbg(&new_client->dev, "PWM 1 not enabled by hardware, "
+                        "skipping\n");
+        if (pwm2) {
+                device_create_file(&new_client->dev, &dev_attr_pwm2);
+                device_create_file(&new_client->dev, &dev_attr_pwm2_enable);
+        } else
+                dev_dbg(&new_client->dev, "PWM 2 not enabled by hardware, "
+                        "skipping\n");
+
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+error_free:
+        kfree(new_client);
+error_release:
+        release_region(address, SMSC_EXTENT);
+        return err;
+}
+
+static int smsc47m1_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        release_region(client->addr, SMSC_EXTENT);
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+static int smsc47m1_read_value(struct i2c_client *client, u8 reg)
+{
+        int res;
+
+        down(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
+        res = inb_p(client->addr + reg);
+        up(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
+        return res;
+}
+
+static void smsc47m1_write_value(struct i2c_client *client, u8 reg, u8 value)
+{
+        down(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
+        outb_p(value, client->addr + reg);
+        up(&((struct smsc47m1_data *) i2c_get_clientdata(client))->lock);
+}
+
+static struct smsc47m1_data *smsc47m1_update_device(struct device *dev,
+                int init)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct smsc47m1_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2) || init) {
+                int i;
+
+                for (i = 0; i < 2; i++) {
+                        data->fan[i] = smsc47m1_read_value(client,
+                                       SMSC47M1_REG_FAN(i));
+                        data->fan_preload[i] = smsc47m1_read_value(client,
+                                               SMSC47M1_REG_FAN_PRELOAD(i));
+                        data->pwm[i] = smsc47m1_read_value(client,
+                                       SMSC47M1_REG_PWM(i));
+                }
+
+                i = smsc47m1_read_value(client, SMSC47M1_REG_FANDIV);
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = i >> 6;
+
+                data->alarms = smsc47m1_read_value(client,
+                               SMSC47M1_REG_ALARM) >> 6;
+                /* Clear alarms if needed */
+                if (data->alarms)
+                        smsc47m1_write_value(client, SMSC47M1_REG_ALARM, 0xC0);
+
+                data->last_updated = jiffies;
+        }
+
+        up(&data->update_lock);
+        return data;
+}
+
+static int __init sm_smsc47m1_init(void)
+{
+        if (smsc47m1_find(normal_isa)) {
+                return -ENODEV;
+        }
+
+        return i2c_add_driver(&smsc47m1_driver);
+}
+
+static void __exit sm_smsc47m1_exit(void)
+{
+        i2c_del_driver(&smsc47m1_driver);
+}
+
+MODULE_AUTHOR("Mark D. Studebaker <mdsxyz123@yahoo.com>");
+MODULE_DESCRIPTION("SMSC LPC47M1xx fan sensors driver");
+MODULE_LICENSE("GPL");
+
+module_init(sm_smsc47m1_init);
+module_exit(sm_smsc47m1_exit);
diff --git a/drivers/i2c/chips/via686a.c b/drivers/i2c/chips/via686a.c
new file mode 100644
index 000000000000..9b948f4531f5
--- /dev/null
+++ b/drivers/i2c/chips/via686a.c
@@ -0,0 +1,879 @@
+/*
+    via686a.c - Part of lm_sensors, Linux kernel modules
+                for hardware monitoring
+                
+    Copyright (c) 1998 - 2002  Frodo Looijaard <frodol@dds.nl>,
+                        Kyösti Mälkki <kmalkki@cc.hut.fi>,
+                        Mark Studebaker <mdsxyz123@yahoo.com>,
+                        and Bob Dougherty <bobd@stanford.edu>
+    (Some conversion-factor data were contributed by Jonathan Teh Soon Yew 
+    <j.teh@iname.com> and Alex van Kaam <darkside@chello.nl>.)
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    Supports the Via VT82C686A, VT82C686B south bridges.
+    Reports all as a 686A.
+    Warning - only supports a single device.
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/init.h>
+#include <asm/io.h>
+
+
+/* If force_addr is set to anything different from 0, we forcibly enable
+   the device at the given address. */
+static unsigned short force_addr = 0;
+module_param(force_addr, ushort, 0);
+MODULE_PARM_DESC(force_addr,
+                 "Initialize the base address of the sensors");
+
+/* Addresses to scan.
+   Note that we can't determine the ISA address until we have initialized
+   our module */
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0x0000, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_1(via686a);
+
+/*
+   The Via 686a southbridge has a LM78-like chip integrated on the same IC.
+   This driver is a customized copy of lm78.c
+*/
+
+/* Many VIA686A constants specified below */
+
+/* Length of ISA address segment */
+#define VIA686A_EXTENT 0x80
+#define VIA686A_BASE_REG 0x70
+#define VIA686A_ENABLE_REG 0x74
+
+/* The VIA686A registers */
+/* ins numbered 0-4 */
+#define VIA686A_REG_IN_MAX(nr) (0x2b + ((nr) * 2))
+#define VIA686A_REG_IN_MIN(nr) (0x2c + ((nr) * 2))
+#define VIA686A_REG_IN(nr)     (0x22 + (nr))
+
+/* fans numbered 1-2 */
+#define VIA686A_REG_FAN_MIN(nr) (0x3a + (nr))
+#define VIA686A_REG_FAN(nr)     (0x28 + (nr))
+
+/* the following values are as speced by VIA: */
+static const u8 regtemp[] = { 0x20, 0x21, 0x1f };
+static const u8 regover[] = { 0x39, 0x3d, 0x1d };
+static const u8 reghyst[] = { 0x3a, 0x3e, 0x1e };
+
+/* temps numbered 1-3 */
+#define VIA686A_REG_TEMP(nr)            (regtemp[nr])
+#define VIA686A_REG_TEMP_OVER(nr)       (regover[nr])
+#define VIA686A_REG_TEMP_HYST(nr)       (reghyst[nr])
+#define VIA686A_REG_TEMP_LOW1   0x4b    // bits 7-6
+#define VIA686A_REG_TEMP_LOW23  0x49    // 2 = bits 5-4, 3 = bits 7-6
+
+#define VIA686A_REG_ALARM1 0x41
+#define VIA686A_REG_ALARM2 0x42
+#define VIA686A_REG_FANDIV 0x47
+#define VIA686A_REG_CONFIG 0x40
+/* The following register sets temp interrupt mode (bits 1-0 for temp1, 
+ 3-2 for temp2, 5-4 for temp3).  Modes are:
+    00 interrupt stays as long as value is out-of-range
+    01 interrupt is cleared once register is read (default)
+    10 comparator mode- like 00, but ignores hysteresis
+    11 same as 00 */
+#define VIA686A_REG_TEMP_MODE 0x4b
+/* We'll just assume that you want to set all 3 simultaneously: */
+#define VIA686A_TEMP_MODE_MASK 0x3F
+#define VIA686A_TEMP_MODE_CONTINUOUS (0x00)
+
+/* Conversions. Limit checking is only done on the TO_REG
+   variants. 
+
+********* VOLTAGE CONVERSIONS (Bob Dougherty) ********
+ From HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew):
+ voltagefactor[0]=1.25/2628; (2628/1.25=2102.4)   // Vccp
+ voltagefactor[1]=1.25/2628; (2628/1.25=2102.4)   // +2.5V
+ voltagefactor[2]=1.67/2628; (2628/1.67=1573.7)   // +3.3V
+ voltagefactor[3]=2.6/2628;  (2628/2.60=1010.8)   // +5V
+ voltagefactor[4]=6.3/2628;  (2628/6.30=417.14)   // +12V
+ in[i]=(data[i+2]*25.0+133)*voltagefactor[i];
+ That is:
+ volts = (25*regVal+133)*factor
+ regVal = (volts/factor-133)/25
+ (These conversions were contributed by Jonathan Teh Soon Yew 
+ <j.teh@iname.com>) */
+static inline u8 IN_TO_REG(long val, int inNum)
+{
+        /* To avoid floating point, we multiply constants by 10 (100 for +12V).
+           Rounding is done (120500 is actually 133000 - 12500).
+           Remember that val is expressed in 0.001V/bit, which is why we divide
+           by an additional 10000 (100000 for +12V): 1000 for val and 10 (100)
+           for the constants. */
+        if (inNum <= 1)
+                return (u8)
+                    SENSORS_LIMIT((val * 21024 - 1205000) / 250000, 0, 255);
+        else if (inNum == 2)
+                return (u8)
+                    SENSORS_LIMIT((val * 15737 - 1205000) / 250000, 0, 255);
+        else if (inNum == 3)
+                return (u8)
+                    SENSORS_LIMIT((val * 10108 - 1205000) / 250000, 0, 255);
+        else
+                return (u8)
+                    SENSORS_LIMIT((val * 41714 - 12050000) / 2500000, 0, 255);
+}
+
+static inline long IN_FROM_REG(u8 val, int inNum)
+{
+        /* To avoid floating point, we multiply constants by 10 (100 for +12V).
+           We also multiply them by 1000 because we want 0.001V/bit for the
+           output value. Rounding is done. */
+        if (inNum <= 1)
+                return (long) ((250000 * val + 1330000 + 21024 / 2) / 21024);
+        else if (inNum == 2)
+                return (long) ((250000 * val + 1330000 + 15737 / 2) / 15737);
+        else if (inNum == 3)
+                return (long) ((250000 * val + 1330000 + 10108 / 2) / 10108);
+        else
+                return (long) ((2500000 * val + 13300000 + 41714 / 2) / 41714);
+}
+
+/********* FAN RPM CONVERSIONS ********/
+/* Higher register values = slower fans (the fan's strobe gates a counter).
+ But this chip saturates back at 0, not at 255 like all the other chips.
+ So, 0 means 0 RPM */
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm == 0)
+                return 0;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 255);
+}
+
+#define FAN_FROM_REG(val,div) ((val)==0?0:(val)==255?0:1350000/((val)*(div)))
+
+/******** TEMP CONVERSIONS (Bob Dougherty) *********/
+/* linear fits from HWMon.cpp (Copyright 1998-2000 Jonathan Teh Soon Yew)
+      if(temp<169)
+              return double(temp)*0.427-32.08;
+      else if(temp>=169 && temp<=202)
+              return double(temp)*0.582-58.16;
+      else
+              return double(temp)*0.924-127.33;
+
+ A fifth-order polynomial fits the unofficial data (provided by Alex van 
+ Kaam <darkside@chello.nl>) a bit better.  It also give more reasonable 
+ numbers on my machine (ie. they agree with what my BIOS tells me).  
+ Here's the fifth-order fit to the 8-bit data:
+ temp = 1.625093e-10*val^5 - 1.001632e-07*val^4 + 2.457653e-05*val^3 - 
+        2.967619e-03*val^2 + 2.175144e-01*val - 7.090067e+0.
+
+ (2000-10-25- RFD: thanks to Uwe Andersen <uandersen@mayah.com> for 
+ finding my typos in this formula!)
+
+ Alas, none of the elegant function-fit solutions will work because we 
+ aren't allowed to use floating point in the kernel and doing it with 
+ integers doesn't rpovide enough precision.  So we'll do boring old 
+ look-up table stuff.  The unofficial data (see below) have effectively 
+ 7-bit resolution (they are rounded to the nearest degree).  I'm assuming 
+ that the transfer function of the device is monotonic and smooth, so a 
+ smooth function fit to the data will allow us to get better precision.  
+ I used the 5th-order poly fit described above and solved for
+ VIA register values 0-255.  I *10 before rounding, so we get tenth-degree 
+ precision.  (I could have done all 1024 values for our 10-bit readings, 
+ but the function is very linear in the useful range (0-80 deg C), so 
+ we'll just use linear interpolation for 10-bit readings.)  So, tempLUT 
+ is the temp at via register values 0-255: */
+static const long tempLUT[] =
+    { -709, -688, -667, -646, -627, -607, -589, -570, -553, -536, -519,
+            -503, -487, -471, -456, -442, -428, -414, -400, -387, -375,
+            -362, -350, -339, -327, -316, -305, -295, -285, -275, -265,
+            -255, -246, -237, -229, -220, -212, -204, -196, -188, -180,
+            -173, -166, -159, -152, -145, -139, -132, -126, -120, -114,
+            -108, -102, -96, -91, -85, -80, -74, -69, -64, -59, -54, -49,
+            -44, -39, -34, -29, -25, -20, -15, -11, -6, -2, 3, 7, 12, 16,
+            20, 25, 29, 33, 37, 42, 46, 50, 54, 59, 63, 67, 71, 75, 79, 84,
+            88, 92, 96, 100, 104, 109, 113, 117, 121, 125, 130, 134, 138,
+            142, 146, 151, 155, 159, 163, 168, 172, 176, 181, 185, 189,
+            193, 198, 202, 206, 211, 215, 219, 224, 228, 232, 237, 241,
+            245, 250, 254, 259, 263, 267, 272, 276, 281, 285, 290, 294,
+            299, 303, 307, 312, 316, 321, 325, 330, 334, 339, 344, 348,
+            353, 357, 362, 366, 371, 376, 380, 385, 390, 395, 399, 404,
+            409, 414, 419, 423, 428, 433, 438, 443, 449, 454, 459, 464,
+            469, 475, 480, 486, 491, 497, 502, 508, 514, 520, 526, 532,
+            538, 544, 551, 557, 564, 571, 578, 584, 592, 599, 606, 614,
+            621, 629, 637, 645, 654, 662, 671, 680, 689, 698, 708, 718,
+            728, 738, 749, 759, 770, 782, 793, 805, 818, 830, 843, 856,
+            870, 883, 898, 912, 927, 943, 958, 975, 991, 1008, 1026, 1044,
+            1062, 1081, 1101, 1121, 1141, 1162, 1184, 1206, 1229, 1252,
+            1276, 1301, 1326, 1352, 1378, 1406, 1434, 1462
+};
+
+/* the original LUT values from Alex van Kaam <darkside@chello.nl> 
+   (for via register values 12-240):
+{-50,-49,-47,-45,-43,-41,-39,-38,-37,-35,-34,-33,-32,-31,
+-30,-29,-28,-27,-26,-25,-24,-24,-23,-22,-21,-20,-20,-19,-18,-17,-17,-16,-15,
+-15,-14,-14,-13,-12,-12,-11,-11,-10,-9,-9,-8,-8,-7,-7,-6,-6,-5,-5,-4,-4,-3,
+-3,-2,-2,-1,-1,0,0,1,1,1,3,3,3,4,4,4,5,5,5,6,6,7,7,8,8,9,9,9,10,10,11,11,12,
+12,12,13,13,13,14,14,15,15,16,16,16,17,17,18,18,19,19,20,20,21,21,21,22,22,
+22,23,23,24,24,25,25,26,26,26,27,27,27,28,28,29,29,30,30,30,31,31,32,32,33,
+33,34,34,35,35,35,36,36,37,37,38,38,39,39,40,40,41,41,42,42,43,43,44,44,45,
+45,46,46,47,48,48,49,49,50,51,51,52,52,53,53,54,55,55,56,57,57,58,59,59,60,
+61,62,62,63,64,65,66,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,83,84,
+85,86,88,89,91,92,94,96,97,99,101,103,105,107,109,110};
+
+
+ Here's the reverse LUT.  I got it by doing a 6-th order poly fit (needed
+ an extra term for a good fit to these inverse data!) and then 
+ solving for each temp value from -50 to 110 (the useable range for 
+ this chip).  Here's the fit: 
+ viaRegVal = -1.160370e-10*val^6 +3.193693e-08*val^5 - 1.464447e-06*val^4 
+ - 2.525453e-04*val^3 + 1.424593e-02*val^2 + 2.148941e+00*val +7.275808e+01)
+ Note that n=161: */
+static const u8 viaLUT[] =
+    { 12, 12, 13, 14, 14, 15, 16, 16, 17, 18, 18, 19, 20, 20, 21, 22, 23,
+            23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 35, 36, 37, 39, 40,
+            41, 43, 45, 46, 48, 49, 51, 53, 55, 57, 59, 60, 62, 64, 66,
+            69, 71, 73, 75, 77, 79, 82, 84, 86, 88, 91, 93, 95, 98, 100,
+            103, 105, 107, 110, 112, 115, 117, 119, 122, 124, 126, 129,
+            131, 134, 136, 138, 140, 143, 145, 147, 150, 152, 154, 156,
+            158, 160, 162, 164, 166, 168, 170, 172, 174, 176, 178, 180,
+            182, 183, 185, 187, 188, 190, 192, 193, 195, 196, 198, 199,
+            200, 202, 203, 205, 206, 207, 208, 209, 210, 211, 212, 213,
+            214, 215, 216, 217, 218, 219, 220, 221, 222, 222, 223, 224,
+            225, 226, 226, 227, 228, 228, 229, 230, 230, 231, 232, 232,
+            233, 233, 234, 235, 235, 236, 236, 237, 237, 238, 238, 239,
+            239, 240
+};
+
+/* Converting temps to (8-bit) hyst and over registers
+   No interpolation here.
+   The +50 is because the temps start at -50 */
+static inline u8 TEMP_TO_REG(long val)
+{
+        return viaLUT[val <= -50000 ? 0 : val >= 110000 ? 160 : 
+                      (val < 0 ? val - 500 : val + 500) / 1000 + 50];
+}
+
+/* for 8-bit temperature hyst and over registers */
+#define TEMP_FROM_REG(val) (tempLUT[(val)] * 100)
+
+/* for 10-bit temperature readings */
+static inline long TEMP_FROM_REG10(u16 val)
+{
+        u16 eightBits = val >> 2;
+        u16 twoBits = val & 3;
+
+        /* no interpolation for these */
+        if (twoBits == 0 || eightBits == 255)
+                return TEMP_FROM_REG(eightBits);
+
+        /* do some linear interpolation */
+        return (tempLUT[eightBits] * (4 - twoBits) +
+                tempLUT[eightBits + 1] * twoBits) * 25;
+}
+
+#define ALARMS_FROM_REG(val) (val)
+
+#define DIV_FROM_REG(val) (1 << (val))
+#define DIV_TO_REG(val) ((val)==8?3:(val)==4?2:(val)==1?0:1)
+
+/* For the VIA686A, we need to keep some data in memory.
+   The structure is dynamically allocated, at the same time when a new
+   via686a client is allocated. */
+struct via686a_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        u8 in[5];               /* Register value */
+        u8 in_max[5];           /* Register value */
+        u8 in_min[5];           /* Register value */
+        u8 fan[2];              /* Register value */
+        u8 fan_min[2];          /* Register value */
+        u16 temp[3];            /* Register value 10 bit */
+        u8 temp_over[3];        /* Register value */
+        u8 temp_hyst[3];        /* Register value */
+        u8 fan_div[2];          /* Register encoding, shifted right */
+        u16 alarms;             /* Register encoding, combined */
+};
+
+static struct pci_dev *s_bridge;        /* pointer to the (only) via686a */
+
+static int via686a_attach_adapter(struct i2c_adapter *adapter);
+static int via686a_detect(struct i2c_adapter *adapter, int address, int kind);
+static int via686a_detach_client(struct i2c_client *client);
+
+static inline int via686a_read_value(struct i2c_client *client, u8 reg)
+{
+        return (inb_p(client->addr + reg));
+}
+
+static inline void via686a_write_value(struct i2c_client *client, u8 reg,
+                                       u8 value)
+{
+        outb_p(value, client->addr + reg);
+}
+
+static struct via686a_data *via686a_update_device(struct device *dev);
+static void via686a_init_client(struct i2c_client *client);
+
+/* following are the sysfs callback functions */
+
+/* 7 voltage sensors */
+static ssize_t show_in(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", IN_FROM_REG(data->in[nr], nr));
+}
+
+static ssize_t show_in_min(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_min[nr], nr));
+}
+
+static ssize_t show_in_max(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", IN_FROM_REG(data->in_max[nr], nr));
+}
+
+static ssize_t set_in_min(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_min[nr] = IN_TO_REG(val,nr);
+        via686a_write_value(client, VIA686A_REG_IN_MIN(nr), 
+                        data->in_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_in_max(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->in_max[nr] = IN_TO_REG(val,nr);
+        via686a_write_value(client, VIA686A_REG_IN_MAX(nr), 
+                        data->in_max[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define show_in_offset(offset)                                  \
+static ssize_t                                                  \
+        show_in##offset (struct device *dev, char *buf)         \
+{                                                               \
+        return show_in(dev, buf, offset);                       \
+}                                                               \
+static ssize_t                                                  \
+        show_in##offset##_min (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_min(dev, buf, offset);           \
+}                                                               \
+static ssize_t                                                  \
+        show_in##offset##_max (struct device *dev, char *buf)   \
+{                                                               \
+        return show_in_max(dev, buf, offset);           \
+}                                                               \
+static ssize_t set_in##offset##_min (struct device *dev,        \
+                const char *buf, size_t count)                  \
+{                                                               \
+        return set_in_min(dev, buf, count, offset);             \
+}                                                               \
+static ssize_t set_in##offset##_max (struct device *dev,        \
+                        const char *buf, size_t count)          \
+{                                                               \
+        return set_in_max(dev, buf, count, offset);             \
+}                                                               \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_in##offset, NULL);\
+static DEVICE_ATTR(in##offset##_min, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_min, set_in##offset##_min);   \
+static DEVICE_ATTR(in##offset##_max, S_IRUGO | S_IWUSR,         \
+                show_in##offset##_max, set_in##offset##_max);
+
+show_in_offset(0);
+show_in_offset(1);
+show_in_offset(2);
+show_in_offset(3);
+show_in_offset(4);
+
+/* 3 temperatures */
+static ssize_t show_temp(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", TEMP_FROM_REG10(data->temp[nr]));
+}
+static ssize_t show_temp_over(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_over[nr]));
+}
+static ssize_t show_temp_hyst(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf, "%ld\n", TEMP_FROM_REG(data->temp_hyst[nr]));
+}
+static ssize_t set_temp_over(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_over[nr] = TEMP_TO_REG(val);
+        via686a_write_value(client, VIA686A_REG_TEMP_OVER(nr), data->temp_over[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_temp_hyst(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->temp_hyst[nr] = TEMP_TO_REG(val);
+        via686a_write_value(client, VIA686A_REG_TEMP_HYST(nr), data->temp_hyst[nr]);
+        up(&data->update_lock);
+        return count;
+}
+#define show_temp_offset(offset)                                        \
+static ssize_t show_temp_##offset (struct device *dev, char *buf)       \
+{                                                                       \
+        return show_temp(dev, buf, offset - 1);                         \
+}                                                                       \
+static ssize_t                                                          \
+show_temp_##offset##_over (struct device *dev, char *buf)               \
+{                                                                       \
+        return show_temp_over(dev, buf, offset - 1);                    \
+}                                                                       \
+static ssize_t                                                          \
+show_temp_##offset##_hyst (struct device *dev, char *buf)               \
+{                                                                       \
+        return show_temp_hyst(dev, buf, offset - 1);                    \
+}                                                                       \
+static ssize_t set_temp_##offset##_over (struct device *dev,            \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_temp_over(dev, buf, count, offset - 1);              \
+}                                                                       \
+static ssize_t set_temp_##offset##_hyst (struct device *dev,            \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_temp_hyst(dev, buf, count, offset - 1);              \
+}                                                                       \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_temp_##offset, NULL);\
+static DEVICE_ATTR(temp##offset##_max, S_IRUGO | S_IWUSR,               \
+                show_temp_##offset##_over, set_temp_##offset##_over);   \
+static DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO | S_IWUSR,          \
+                show_temp_##offset##_hyst, set_temp_##offset##_hyst);   
+
+show_temp_offset(1);
+show_temp_offset(2);
+show_temp_offset(3);
+
+/* 2 Fans */
+static ssize_t show_fan(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], 
+                                DIV_FROM_REG(data->fan_div[nr])) );
+}
+static ssize_t show_fan_min(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf,"%d\n",
+                FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])) );
+}
+static ssize_t show_fan_div(struct device *dev, char *buf, int nr) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf,"%d\n", DIV_FROM_REG(data->fan_div[nr]) );
+}
+static ssize_t set_fan_min(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
+        via686a_write_value(client, VIA686A_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+        up(&data->update_lock);
+        return count;
+}
+static ssize_t set_fan_div(struct device *dev, const char *buf, 
+                size_t count, int nr) {
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        int val = simple_strtol(buf, NULL, 10);
+        int old;
+
+        down(&data->update_lock);
+        old = via686a_read_value(client, VIA686A_REG_FANDIV);
+        data->fan_div[nr] = DIV_TO_REG(val);
+        old = (old & 0x0f) | (data->fan_div[1] << 6) | (data->fan_div[0] << 4);
+        via686a_write_value(client, VIA686A_REG_FANDIV, old);
+        up(&data->update_lock);
+        return count;
+}
+
+#define show_fan_offset(offset)                                         \
+static ssize_t show_fan_##offset (struct device *dev, char *buf)        \
+{                                                                       \
+        return show_fan(dev, buf, offset - 1);                          \
+}                                                                       \
+static ssize_t show_fan_##offset##_min (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_min(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t show_fan_##offset##_div (struct device *dev, char *buf)  \
+{                                                                       \
+        return show_fan_div(dev, buf, offset - 1);                      \
+}                                                                       \
+static ssize_t set_fan_##offset##_min (struct device *dev,              \
+        const char *buf, size_t count)                                  \
+{                                                                       \
+        return set_fan_min(dev, buf, count, offset - 1);                \
+}                                                                       \
+static ssize_t set_fan_##offset##_div (struct device *dev,              \
+                const char *buf, size_t count)                          \
+{                                                                       \
+        return set_fan_div(dev, buf, count, offset - 1);                \
+}                                                                       \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_fan_##offset, NULL);\
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_min, set_fan_##offset##_min);       \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR,                \
+                show_fan_##offset##_div, set_fan_##offset##_div);
+
+show_fan_offset(1);
+show_fan_offset(2);
+
+/* Alarms */
+static ssize_t show_alarms(struct device *dev, char *buf) {
+        struct via686a_data *data = via686a_update_device(dev);
+        return sprintf(buf,"%d\n", ALARMS_FROM_REG(data->alarms));
+}
+static DEVICE_ATTR(alarms, S_IRUGO | S_IWUSR, show_alarms, NULL);
+
+/* The driver. I choose to use type i2c_driver, as at is identical to both
+   smbus_driver and isa_driver, and clients could be of either kind */
+static struct i2c_driver via686a_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "via686a",
+        .id             = I2C_DRIVERID_VIA686A,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = via686a_attach_adapter,
+        .detach_client  = via686a_detach_client,
+};
+
+
+/* This is called when the module is loaded */
+static int via686a_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, via686a_detect);
+}
+
+static int via686a_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct via686a_data *data;
+        int err = 0;
+        const char client_name[] = "via686a";
+        u16 val;
+
+        /* Make sure we are probing the ISA bus!!  */
+        if (!i2c_is_isa_adapter(adapter)) {
+                dev_err(&adapter->dev,
+                "via686a_detect called for an I2C bus adapter?!?\n");
+                return 0;
+        }
+
+        /* 8231 requires multiple of 256, we enforce that on 686 as well */
+        if(force_addr)
+                address = force_addr & 0xFF00;
+
+        if(force_addr) {
+                dev_warn(&adapter->dev,"forcing ISA address 0x%04X\n", address);
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_write_config_word(s_bridge, VIA686A_BASE_REG, address))
+                        return -ENODEV;
+        }
+        if (PCIBIOS_SUCCESSFUL !=
+            pci_read_config_word(s_bridge, VIA686A_ENABLE_REG, &val))
+                return -ENODEV;
+        if (!(val & 0x0001)) {
+                dev_warn(&adapter->dev,"enabling sensors\n");
+                if (PCIBIOS_SUCCESSFUL !=
+                    pci_write_config_word(s_bridge, VIA686A_ENABLE_REG,
+                                      val | 0x0001))
+                        return -ENODEV;
+        }
+
+        /* Reserve the ISA region */
+        if (!request_region(address, VIA686A_EXTENT, via686a_driver.name)) {
+                dev_err(&adapter->dev,"region 0x%x already in use!\n",
+                       address);
+                return -ENODEV;
+        }
+
+        if (!(data = kmalloc(sizeof(struct via686a_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR0;
+        }
+        memset(data, 0, sizeof(struct via686a_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &via686a_driver;
+        new_client->flags = 0;
+        new_client->dev.parent = &adapter->dev;
+
+        /* Fill in the remaining client fields and put into the global list */
+        snprintf(new_client->name, I2C_NAME_SIZE, client_name);
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR3;
+        
+        /* Initialize the VIA686A chip */
+        via686a_init_client(new_client);
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_in0_input);
+        device_create_file(&new_client->dev, &dev_attr_in1_input);
+        device_create_file(&new_client->dev, &dev_attr_in2_input);
+        device_create_file(&new_client->dev, &dev_attr_in3_input);
+        device_create_file(&new_client->dev, &dev_attr_in4_input);
+        device_create_file(&new_client->dev, &dev_attr_in0_min);
+        device_create_file(&new_client->dev, &dev_attr_in1_min);
+        device_create_file(&new_client->dev, &dev_attr_in2_min);
+        device_create_file(&new_client->dev, &dev_attr_in3_min);
+        device_create_file(&new_client->dev, &dev_attr_in4_min);
+        device_create_file(&new_client->dev, &dev_attr_in0_max);
+        device_create_file(&new_client->dev, &dev_attr_in1_max);
+        device_create_file(&new_client->dev, &dev_attr_in2_max);
+        device_create_file(&new_client->dev, &dev_attr_in3_max);
+        device_create_file(&new_client->dev, &dev_attr_in4_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp2_input);
+        device_create_file(&new_client->dev, &dev_attr_temp3_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp2_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_temp3_max_hyst);
+        device_create_file(&new_client->dev, &dev_attr_fan1_input);
+        device_create_file(&new_client->dev, &dev_attr_fan2_input);
+        device_create_file(&new_client->dev, &dev_attr_fan1_min);
+        device_create_file(&new_client->dev, &dev_attr_fan2_min);
+        device_create_file(&new_client->dev, &dev_attr_fan1_div);
+        device_create_file(&new_client->dev, &dev_attr_fan2_div);
+        device_create_file(&new_client->dev, &dev_attr_alarms);
+
+        return 0;
+
+      ERROR3:
+        kfree(data);
+      ERROR0:
+        release_region(address, VIA686A_EXTENT);
+        return err;
+}
+
+static int via686a_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        release_region(client->addr, VIA686A_EXTENT);
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+/* Called when we have found a new VIA686A. Set limits, etc. */
+static void via686a_init_client(struct i2c_client *client)
+{
+        u8 reg;
+
+        /* Start monitoring */
+        reg = via686a_read_value(client, VIA686A_REG_CONFIG);
+        via686a_write_value(client, VIA686A_REG_CONFIG, (reg|0x01)&0x7F);
+
+        /* Configure temp interrupt mode for continuous-interrupt operation */
+        via686a_write_value(client, VIA686A_REG_TEMP_MODE, 
+                            via686a_read_value(client, VIA686A_REG_TEMP_MODE) &
+                            !(VIA686A_TEMP_MODE_MASK | VIA686A_TEMP_MODE_CONTINUOUS));
+}
+
+static struct via686a_data *via686a_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct via686a_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                for (i = 0; i <= 4; i++) {
+                        data->in[i] =
+                            via686a_read_value(client, VIA686A_REG_IN(i));
+                        data->in_min[i] = via686a_read_value(client,
+                                                             VIA686A_REG_IN_MIN
+                                                             (i));
+                        data->in_max[i] =
+                            via686a_read_value(client, VIA686A_REG_IN_MAX(i));
+                }
+                for (i = 1; i <= 2; i++) {
+                        data->fan[i - 1] =
+                            via686a_read_value(client, VIA686A_REG_FAN(i));
+                        data->fan_min[i - 1] = via686a_read_value(client,
+                                                     VIA686A_REG_FAN_MIN(i));
+                }
+                for (i = 0; i <= 2; i++) {
+                        data->temp[i] = via686a_read_value(client,
+                                                 VIA686A_REG_TEMP(i)) << 2;
+                        data->temp_over[i] =
+                            via686a_read_value(client,
+                                               VIA686A_REG_TEMP_OVER(i));
+                        data->temp_hyst[i] =
+                            via686a_read_value(client,
+                                               VIA686A_REG_TEMP_HYST(i));
+                }
+                /* add in lower 2 bits 
+                   temp1 uses bits 7-6 of VIA686A_REG_TEMP_LOW1
+                   temp2 uses bits 5-4 of VIA686A_REG_TEMP_LOW23
+                   temp3 uses bits 7-6 of VIA686A_REG_TEMP_LOW23
+                 */
+                data->temp[0] |= (via686a_read_value(client,
+                                                     VIA686A_REG_TEMP_LOW1)
+                                  & 0xc0) >> 6;
+                data->temp[1] |=
+                    (via686a_read_value(client, VIA686A_REG_TEMP_LOW23) &
+                     0x30) >> 4;
+                data->temp[2] |=
+                    (via686a_read_value(client, VIA686A_REG_TEMP_LOW23) &
+                     0xc0) >> 6;
+
+                i = via686a_read_value(client, VIA686A_REG_FANDIV);
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = i >> 6;
+                data->alarms =
+                    via686a_read_value(client,
+                                       VIA686A_REG_ALARM1) |
+                    (via686a_read_value(client, VIA686A_REG_ALARM2) << 8);
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static struct pci_device_id via686a_pci_ids[] = {
+       { PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4) },
+       { 0, }
+};
+
+MODULE_DEVICE_TABLE(pci, via686a_pci_ids);
+
+static int __devinit via686a_pci_probe(struct pci_dev *dev,
+                                      const struct pci_device_id *id)
+{
+       u16 val;
+       int addr = 0;
+
+       if (PCIBIOS_SUCCESSFUL !=
+           pci_read_config_word(dev, VIA686A_BASE_REG, &val))
+               return -ENODEV;
+
+       addr = val & ~(VIA686A_EXTENT - 1);
+       if (addr == 0 && force_addr == 0) {
+               dev_err(&dev->dev,"base address not set - upgrade BIOS or use force_addr=0xaddr\n");
+               return -ENODEV;
+       }
+       if (force_addr)
+               addr = force_addr;      /* so detect will get called */
+
+       if (!addr) {
+               dev_err(&dev->dev,"No Via 686A sensors found.\n");
+               return -ENODEV;
+       }
+       normal_isa[0] = addr;
+
+        s_bridge = pci_dev_get(dev);
+        if (i2c_add_driver(&via686a_driver)) {
+                pci_dev_put(s_bridge);
+                s_bridge = NULL;
+        }
+
+        /* Always return failure here.  This is to allow other drivers to bind
+         * to this pci device.  We don't really want to have control over the
+         * pci device, we only wanted to read as few register values from it.
+         */
+        return -ENODEV;
+}
+
+static struct pci_driver via686a_pci_driver = {
+       .name            = "via686a",
+       .id_table        = via686a_pci_ids,
+       .probe           = via686a_pci_probe,
+};
+
+static int __init sm_via686a_init(void)
+{
+       return pci_register_driver(&via686a_pci_driver);
+}
+
+static void __exit sm_via686a_exit(void)
+{
+        pci_unregister_driver(&via686a_pci_driver);
+        if (s_bridge != NULL) {
+                i2c_del_driver(&via686a_driver);
+                pci_dev_put(s_bridge);
+                s_bridge = NULL;
+        }
+}
+
+MODULE_AUTHOR("Kyösti Mälkki <kmalkki@cc.hut.fi>, "
+              "Mark Studebaker <mdsxyz123@yahoo.com> "
+             "and Bob Dougherty <bobd@stanford.edu>");
+MODULE_DESCRIPTION("VIA 686A Sensor device");
+MODULE_LICENSE("GPL");
+
+module_init(sm_via686a_init);
+module_exit(sm_via686a_exit);
diff --git a/drivers/i2c/chips/w83627hf.c b/drivers/i2c/chips/w83627hf.c
new file mode 100644
index 000000000000..b1da5ed696d3
--- /dev/null
+++ b/drivers/i2c/chips/w83627hf.c
@@ -0,0 +1,1511 @@
+/*
+    w83627hf.c - Part of lm_sensors, Linux kernel modules for hardware
+                monitoring
+    Copyright (c) 1998 - 2003  Frodo Looijaard <frodol@dds.nl>,
+    Philip Edelbrock <phil@netroedge.com>,
+    and Mark Studebaker <mdsxyz123@yahoo.com>
+    Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    Supports following chips:
+
+    Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+    w83627hf    9       3       2       3       0x20    0x5ca3  no      yes(LPC)
+    w83627thf   7       3       3       3       0x90    0x5ca3  no      yes(LPC)
+    w83637hf    7       3       3       3       0x80    0x5ca3  no      yes(LPC)
+    w83697hf    8       2       2       2       0x60    0x5ca3  no      yes(LPC)
+
+    For other winbond chips, and for i2c support in the above chips,
+    use w83781d.c.
+
+    Note: automatic ("cruise") fan control for 697, 637 & 627thf not
+    supported yet.
+*/
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+#include <asm/io.h>
+#include "lm75.h"
+
+static u16 force_addr;
+module_param(force_addr, ushort, 0);
+MODULE_PARM_DESC(force_addr,
+                 "Initialize the base address of the sensors");
+static u8 force_i2c = 0x1f;
+module_param(force_i2c, byte, 0);
+MODULE_PARM_DESC(force_i2c,
+                 "Initialize the i2c address of the sensors");
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_4(w83627hf, w83627thf, w83697hf, w83637hf);
+
+static int init = 1;
+module_param(init, bool, 0);
+MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
+
+/* modified from kernel/include/traps.c */
+static int REG;         /* The register to read/write */
+#define DEV     0x07    /* Register: Logical device select */
+static int VAL;         /* The value to read/write */
+
+/* logical device numbers for superio_select (below) */
+#define W83627HF_LD_FDC         0x00
+#define W83627HF_LD_PRT         0x01
+#define W83627HF_LD_UART1       0x02
+#define W83627HF_LD_UART2       0x03
+#define W83627HF_LD_KBC         0x05
+#define W83627HF_LD_CIR         0x06 /* w83627hf only */
+#define W83627HF_LD_GAME        0x07
+#define W83627HF_LD_MIDI        0x07
+#define W83627HF_LD_GPIO1       0x07
+#define W83627HF_LD_GPIO5       0x07 /* w83627thf only */
+#define W83627HF_LD_GPIO2       0x08
+#define W83627HF_LD_GPIO3       0x09
+#define W83627HF_LD_GPIO4       0x09 /* w83627thf only */
+#define W83627HF_LD_ACPI        0x0a
+#define W83627HF_LD_HWM         0x0b
+
+#define DEVID   0x20    /* Register: Device ID */
+
+#define W83627THF_GPIO5_EN      0x30 /* w83627thf only */
+#define W83627THF_GPIO5_IOSR    0xf3 /* w83627thf only */
+#define W83627THF_GPIO5_DR      0xf4 /* w83627thf only */
+
+static inline void
+superio_outb(int reg, int val)
+{
+        outb(reg, REG);
+        outb(val, VAL);
+}
+
+static inline int
+superio_inb(int reg)
+{
+        outb(reg, REG);
+        return inb(VAL);
+}
+
+static inline void
+superio_select(int ld)
+{
+        outb(DEV, REG);
+        outb(ld, VAL);
+}
+
+static inline void
+superio_enter(void)
+{
+        outb(0x87, REG);
+        outb(0x87, REG);
+}
+
+static inline void
+superio_exit(void)
+{
+        outb(0xAA, REG);
+}
+
+#define W627_DEVID 0x52
+#define W627THF_DEVID 0x82
+#define W697_DEVID 0x60
+#define W637_DEVID 0x70
+#define WINB_ACT_REG 0x30
+#define WINB_BASE_REG 0x60
+/* Constants specified below */
+
+/* Length of ISA address segment */
+#define WINB_EXTENT 8
+
+/* Where are the ISA address/data registers relative to the base address */
+#define W83781D_ADDR_REG_OFFSET 5
+#define W83781D_DATA_REG_OFFSET 6
+
+/* The W83781D registers */
+/* The W83782D registers for nr=7,8 are in bank 5 */
+#define W83781D_REG_IN_MAX(nr) ((nr < 7) ? (0x2b + (nr) * 2) : \
+                                           (0x554 + (((nr) - 7) * 2)))
+#define W83781D_REG_IN_MIN(nr) ((nr < 7) ? (0x2c + (nr) * 2) : \
+                                           (0x555 + (((nr) - 7) * 2)))
+#define W83781D_REG_IN(nr)     ((nr < 7) ? (0x20 + (nr)) : \
+                                           (0x550 + (nr) - 7))
+
+#define W83781D_REG_FAN_MIN(nr) (0x3a + (nr))
+#define W83781D_REG_FAN(nr) (0x27 + (nr))
+
+#define W83781D_REG_TEMP2_CONFIG 0x152
+#define W83781D_REG_TEMP3_CONFIG 0x252
+#define W83781D_REG_TEMP(nr)            ((nr == 3) ? (0x0250) : \
+                                        ((nr == 2) ? (0x0150) : \
+                                                     (0x27)))
+#define W83781D_REG_TEMP_HYST(nr)       ((nr == 3) ? (0x253) : \
+                                        ((nr == 2) ? (0x153) : \
+                                                     (0x3A)))
+#define W83781D_REG_TEMP_OVER(nr)       ((nr == 3) ? (0x255) : \
+                                        ((nr == 2) ? (0x155) : \
+                                                     (0x39)))
+
+#define W83781D_REG_BANK 0x4E
+
+#define W83781D_REG_CONFIG 0x40
+#define W83781D_REG_ALARM1 0x41
+#define W83781D_REG_ALARM2 0x42
+#define W83781D_REG_ALARM3 0x450
+
+#define W83781D_REG_IRQ 0x4C
+#define W83781D_REG_BEEP_CONFIG 0x4D
+#define W83781D_REG_BEEP_INTS1 0x56
+#define W83781D_REG_BEEP_INTS2 0x57
+#define W83781D_REG_BEEP_INTS3 0x453
+
+#define W83781D_REG_VID_FANDIV 0x47
+
+#define W83781D_REG_CHIPID 0x49
+#define W83781D_REG_WCHIPID 0x58
+#define W83781D_REG_CHIPMAN 0x4F
+#define W83781D_REG_PIN 0x4B
+
+#define W83781D_REG_VBAT 0x5D
+
+#define W83627HF_REG_PWM1 0x5A
+#define W83627HF_REG_PWM2 0x5B
+#define W83627HF_REG_PWMCLK12 0x5C
+
+#define W83627THF_REG_PWM1              0x01    /* 697HF and 637HF too */
+#define W83627THF_REG_PWM2              0x03    /* 697HF and 637HF too */
+#define W83627THF_REG_PWM3              0x11    /* 637HF too */
+
+#define W83627THF_REG_VRM_OVT_CFG       0x18    /* 637HF too */
+
+static const u8 regpwm_627hf[] = { W83627HF_REG_PWM1, W83627HF_REG_PWM2 };
+static const u8 regpwm[] = { W83627THF_REG_PWM1, W83627THF_REG_PWM2,
+                             W83627THF_REG_PWM3 };
+#define W836X7HF_REG_PWM(type, nr) (((type) == w83627hf) ? \
+                                     regpwm_627hf[(nr) - 1] : regpwm[(nr) - 1])
+
+#define W83781D_REG_I2C_ADDR 0x48
+#define W83781D_REG_I2C_SUBADDR 0x4A
+
+/* Sensor selection */
+#define W83781D_REG_SCFG1 0x5D
+static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
+#define W83781D_REG_SCFG2 0x59
+static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
+#define W83781D_DEFAULT_BETA 3435
+
+/* Conversions. Limit checking is only done on the TO_REG
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+   Fixing this is just not worth it. */
+#define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
+#define IN_FROM_REG(val) ((val) * 16)
+
+static inline u8 FAN_TO_REG(long rpm, int div)
+{
+        if (rpm == 0)
+                return 255;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1,
+                             254);
+}
+
+#define TEMP_MIN (-128000)
+#define TEMP_MAX ( 127000)
+
+/* TEMP: 0.001C/bit (-128C to +127C)
+   REG: 1C/bit, two's complement */
+static u8 TEMP_TO_REG(int temp)
+{
+        int ntemp = SENSORS_LIMIT(temp, TEMP_MIN, TEMP_MAX);
+        ntemp += (ntemp<0 ? -500 : 500);
+        return (u8)(ntemp / 1000);
+}
+
+static int TEMP_FROM_REG(u8 reg)
+{
+        return (s8)reg * 1000;
+}
+
+#define FAN_FROM_REG(val,div) ((val)==0?-1:(val)==255?0:1350000/((val)*(div)))
+
+#define PWM_TO_REG(val) (SENSORS_LIMIT((val),0,255))
+
+#define BEEP_MASK_FROM_REG(val)          (val)
+#define BEEP_MASK_TO_REG(val)           ((val) & 0xffffff)
+#define BEEP_ENABLE_TO_REG(val)         ((val)?1:0)
+#define BEEP_ENABLE_FROM_REG(val)       ((val)?1:0)
+
+#define DIV_FROM_REG(val) (1 << (val))
+
+static inline u8 DIV_TO_REG(long val)
+{
+        int i;
+        val = SENSORS_LIMIT(val, 1, 128) >> 1;
+        for (i = 0; i < 6; i++) {
+                if (val == 0)
+                        break;
+                val >>= 1;
+        }
+        return ((u8) i);
+}
+
+/* For each registered chip, we need to keep some data in memory. That
+   data is pointed to by w83627hf_list[NR]->data. The structure itself is
+   dynamically allocated, at the same time when a new client is allocated. */
+struct w83627hf_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        struct i2c_client *lm75;        /* for secondary I2C addresses */
+        /* pointer to array of 2 subclients */
+
+        u8 in[9];               /* Register value */
+        u8 in_max[9];           /* Register value */
+        u8 in_min[9];           /* Register value */
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        u8 temp;
+        u8 temp_max;            /* Register value */
+        u8 temp_max_hyst;       /* Register value */
+        u16 temp_add[2];        /* Register value */
+        u16 temp_max_add[2];    /* Register value */
+        u16 temp_max_hyst_add[2]; /* Register value */
+        u8 fan_div[3];          /* Register encoding, shifted right */
+        u8 vid;                 /* Register encoding, combined */
+        u32 alarms;             /* Register encoding, combined */
+        u32 beep_mask;          /* Register encoding, combined */
+        u8 beep_enable;         /* Boolean */
+        u8 pwm[3];              /* Register value */
+        u16 sens[3];            /* 782D/783S only.
+                                   1 = pentium diode; 2 = 3904 diode;
+                                   3000-5000 = thermistor beta.
+                                   Default = 3435.
+                                   Other Betas unimplemented */
+        u8 vrm;
+        u8 vrm_ovt;             /* Register value, 627thf & 637hf only */
+};
+
+
+static int w83627hf_attach_adapter(struct i2c_adapter *adapter);
+static int w83627hf_detect(struct i2c_adapter *adapter, int address,
+                          int kind);
+static int w83627hf_detach_client(struct i2c_client *client);
+
+static int w83627hf_read_value(struct i2c_client *client, u16 register);
+static int w83627hf_write_value(struct i2c_client *client, u16 register,
+                               u16 value);
+static struct w83627hf_data *w83627hf_update_device(struct device *dev);
+static void w83627hf_init_client(struct i2c_client *client);
+
+static struct i2c_driver w83627hf_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "w83627hf",
+        .id             = I2C_DRIVERID_W83627HF,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = w83627hf_attach_adapter,
+        .detach_client  = w83627hf_detach_client,
+};
+
+/* following are the sysfs callback functions */
+#define show_in_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83627hf_data *data = w83627hf_update_device(dev); \
+        return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr])); \
+}
+show_in_reg(in)
+show_in_reg(in_min)
+show_in_reg(in_max)
+
+#define store_in_reg(REG, reg) \
+static ssize_t \
+store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct w83627hf_data *data = i2c_get_clientdata(client); \
+        u32 val; \
+         \
+        val = simple_strtoul(buf, NULL, 10); \
+         \
+        down(&data->update_lock); \
+        data->in_##reg[nr] = IN_TO_REG(val); \
+        w83627hf_write_value(client, W83781D_REG_IN_##REG(nr), \
+                            data->in_##reg[nr]); \
+         \
+        up(&data->update_lock); \
+        return count; \
+}
+store_in_reg(MIN, min)
+store_in_reg(MAX, max)
+
+#define sysfs_in_offset(offset) \
+static ssize_t \
+show_regs_in_##offset (struct device *dev, char *buf) \
+{ \
+        return show_in(dev, buf, offset); \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL);
+
+#define sysfs_in_reg_offset(reg, offset) \
+static ssize_t show_regs_in_##reg##offset (struct device *dev, char *buf) \
+{ \
+        return show_in_##reg (dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_in_##reg##offset (struct device *dev, \
+                            const char *buf, size_t count) \
+{ \
+        return store_in_##reg (dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, \
+                  show_regs_in_##reg##offset, store_regs_in_##reg##offset);
+
+#define sysfs_in_offsets(offset) \
+sysfs_in_offset(offset) \
+sysfs_in_reg_offset(min, offset) \
+sysfs_in_reg_offset(max, offset)
+
+sysfs_in_offsets(1);
+sysfs_in_offsets(2);
+sysfs_in_offsets(3);
+sysfs_in_offsets(4);
+sysfs_in_offsets(5);
+sysfs_in_offsets(6);
+sysfs_in_offsets(7);
+sysfs_in_offsets(8);
+
+/* use a different set of functions for in0 */
+static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg)
+{
+        long in0;
+
+        if ((data->vrm_ovt & 0x01) &&
+                (w83627thf == data->type || w83637hf == data->type))
+
+                /* use VRM9 calculation */
+                in0 = (long)((reg * 488 + 70000 + 50) / 100);
+        else
+                /* use VRM8 (standard) calculation */
+                in0 = (long)IN_FROM_REG(reg);
+
+        return sprintf(buf,"%ld\n", in0);
+}
+
+static ssize_t show_regs_in_0(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return show_in_0(data, buf, data->in[0]);
+}
+
+static ssize_t show_regs_in_min0(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return show_in_0(data, buf, data->in_min[0]);
+}
+
+static ssize_t show_regs_in_max0(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return show_in_0(data, buf, data->in_max[0]);
+}
+
+static ssize_t store_regs_in_min0(struct device *dev,
+        const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        
+        if ((data->vrm_ovt & 0x01) &&
+                (w83627thf == data->type || w83637hf == data->type))
+
+                /* use VRM9 calculation */
+                data->in_min[0] = (u8)(((val * 100) - 70000 + 244) / 488);
+        else
+                /* use VRM8 (standard) calculation */
+                data->in_min[0] = IN_TO_REG(val);
+
+        w83627hf_write_value(client, W83781D_REG_IN_MIN(0), data->in_min[0]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t store_regs_in_max0(struct device *dev,
+        const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        if ((data->vrm_ovt & 0x01) &&
+                (w83627thf == data->type || w83637hf == data->type))
+                
+                /* use VRM9 calculation */
+                data->in_max[0] = (u8)(((val * 100) - 70000 + 244) / 488);
+        else
+                /* use VRM8 (standard) calculation */
+                data->in_max[0] = IN_TO_REG(val);
+
+        w83627hf_write_value(client, W83781D_REG_IN_MAX(0), data->in_max[0]);
+        up(&data->update_lock);
+        return count;
+}
+
+static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL);
+static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR,
+        show_regs_in_min0, store_regs_in_min0);
+static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR,
+        show_regs_in_max0, store_regs_in_max0);
+
+#define device_create_file_in(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_in##offset##_input); \
+device_create_file(&client->dev, &dev_attr_in##offset##_min); \
+device_create_file(&client->dev, &dev_attr_in##offset##_max); \
+} while (0)
+
+#define show_fan_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83627hf_data *data = w83627hf_update_device(dev); \
+        return sprintf(buf,"%ld\n", \
+                FAN_FROM_REG(data->reg[nr-1], \
+                            (long)DIV_FROM_REG(data->fan_div[nr-1]))); \
+}
+show_fan_reg(fan);
+show_fan_reg(fan_min);
+
+static ssize_t
+store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr - 1] =
+            FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
+        w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr),
+                            data->fan_min[nr - 1]);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_fan_offset(offset) \
+static ssize_t show_regs_fan_##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan(dev, buf, offset); \
+} \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL);
+
+#define sysfs_fan_min_offset(offset) \
+static ssize_t show_regs_fan_min##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan_min(dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_fan_min##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_fan_min(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, \
+                  show_regs_fan_min##offset, store_regs_fan_min##offset);
+
+sysfs_fan_offset(1);
+sysfs_fan_min_offset(1);
+sysfs_fan_offset(2);
+sysfs_fan_min_offset(2);
+sysfs_fan_offset(3);
+sysfs_fan_min_offset(3);
+
+#define device_create_file_fan(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
+device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
+} while (0)
+
+#define show_temp_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83627hf_data *data = w83627hf_update_device(dev); \
+        if (nr >= 2) {  /* TEMP2 and TEMP3 */ \
+                return sprintf(buf,"%ld\n", \
+                        (long)LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
+        } else {        /* TEMP1 */ \
+                return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
+        } \
+}
+show_temp_reg(temp);
+show_temp_reg(temp_max);
+show_temp_reg(temp_max_hyst);
+
+#define store_temp_reg(REG, reg) \
+static ssize_t \
+store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct w83627hf_data *data = i2c_get_clientdata(client); \
+        u32 val; \
+         \
+        val = simple_strtoul(buf, NULL, 10); \
+         \
+        down(&data->update_lock); \
+         \
+        if (nr >= 2) {  /* TEMP2 and TEMP3 */ \
+                data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
+                w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                                data->temp_##reg##_add[nr-2]); \
+        } else {        /* TEMP1 */ \
+                data->temp_##reg = TEMP_TO_REG(val); \
+                w83627hf_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                        data->temp_##reg); \
+        } \
+         \
+        up(&data->update_lock); \
+        return count; \
+}
+store_temp_reg(OVER, max);
+store_temp_reg(HYST, max_hyst);
+
+#define sysfs_temp_offset(offset) \
+static ssize_t \
+show_regs_temp_##offset (struct device *dev, char *buf) \
+{ \
+        return show_temp(dev, buf, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL);
+
+#define sysfs_temp_reg_offset(reg, offset) \
+static ssize_t show_regs_temp_##reg##offset (struct device *dev, char *buf) \
+{ \
+        return show_temp_##reg (dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_temp_##reg##offset (struct device *dev, \
+                              const char *buf, size_t count) \
+{ \
+        return store_temp_##reg (dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, \
+                  show_regs_temp_##reg##offset, store_regs_temp_##reg##offset);
+
+#define sysfs_temp_offsets(offset) \
+sysfs_temp_offset(offset) \
+sysfs_temp_reg_offset(max, offset) \
+sysfs_temp_reg_offset(max_hyst, offset)
+
+sysfs_temp_offsets(1);
+sysfs_temp_offsets(2);
+sysfs_temp_offsets(3);
+
+#define device_create_file_temp(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
+device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
+device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
+} while (0)
+
+static ssize_t
+show_vid_reg(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+}
+static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+#define device_create_file_vid(client) \
+device_create_file(&client->dev, &dev_attr_cpu0_vid)
+
+static ssize_t
+show_vrm_reg(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->vrm);
+}
+static ssize_t
+store_vrm_reg(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+        data->vrm = val;
+
+        return count;
+}
+static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+#define device_create_file_vrm(client) \
+device_create_file(&client->dev, &dev_attr_vrm)
+
+static ssize_t
+show_alarms_reg(struct device *dev, char *buf)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->alarms);
+}
+static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
+#define device_create_file_alarms(client) \
+device_create_file(&client->dev, &dev_attr_alarms)
+
+#define show_beep_reg(REG, reg) \
+static ssize_t show_beep_##reg (struct device *dev, char *buf) \
+{ \
+        struct w83627hf_data *data = w83627hf_update_device(dev); \
+        return sprintf(buf,"%ld\n", \
+                      (long)BEEP_##REG##_FROM_REG(data->beep_##reg)); \
+}
+show_beep_reg(ENABLE, enable)
+show_beep_reg(MASK, mask)
+
+#define BEEP_ENABLE                     0       /* Store beep_enable */
+#define BEEP_MASK                       1       /* Store beep_mask */
+
+static ssize_t
+store_beep_reg(struct device *dev, const char *buf, size_t count,
+               int update_mask)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val, val2;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
+                data->beep_mask = BEEP_MASK_TO_REG(val);
+                w83627hf_write_value(client, W83781D_REG_BEEP_INTS1,
+                                    data->beep_mask & 0xff);
+                w83627hf_write_value(client, W83781D_REG_BEEP_INTS3,
+                                    ((data->beep_mask) >> 16) & 0xff);
+                val2 = (data->beep_mask >> 8) & 0x7f;
+        } else {                /* We are storing beep_enable */
+                val2 =
+                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f;
+                data->beep_enable = BEEP_ENABLE_TO_REG(val);
+        }
+
+        w83627hf_write_value(client, W83781D_REG_BEEP_INTS2,
+                            val2 | data->beep_enable << 7);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_beep(REG, reg) \
+static ssize_t show_regs_beep_##reg (struct device *dev, char *buf) \
+{ \
+        return show_beep_##reg(dev, buf); \
+} \
+static ssize_t \
+store_regs_beep_##reg (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_beep_reg(dev, buf, count, BEEP_##REG); \
+} \
+static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, \
+                  show_regs_beep_##reg, store_regs_beep_##reg);
+
+sysfs_beep(ENABLE, enable);
+sysfs_beep(MASK, mask);
+
+#define device_create_file_beep(client) \
+do { \
+device_create_file(&client->dev, &dev_attr_beep_enable); \
+device_create_file(&client->dev, &dev_attr_beep_mask); \
+} while (0)
+
+static ssize_t
+show_fan_div_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n",
+                       (long) DIV_FROM_REG(data->fan_div[nr - 1]));
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t
+store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        unsigned long min;
+        u8 reg;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        /* Save fan_min */
+        min = FAN_FROM_REG(data->fan_min[nr],
+                           DIV_FROM_REG(data->fan_div[nr]));
+
+        data->fan_div[nr] = DIV_TO_REG(val);
+
+        reg = (w83627hf_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
+               & (nr==0 ? 0xcf : 0x3f))
+            | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
+        w83627hf_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
+
+        reg = (w83627hf_read_value(client, W83781D_REG_VBAT)
+               & ~(1 << (5 + nr)))
+            | ((data->fan_div[nr] & 0x04) << (3 + nr));
+        w83627hf_write_value(client, W83781D_REG_VBAT, reg);
+
+        /* Restore fan_min */
+        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        w83627hf_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_fan_div(offset) \
+static ssize_t show_regs_fan_div_##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan_div_reg(dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_fan_div_##offset (struct device *dev, \
+                            const char *buf, size_t count) \
+{ \
+        return store_fan_div_reg(dev, buf, count, offset - 1); \
+} \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, \
+                  show_regs_fan_div_##offset, store_regs_fan_div_##offset);
+
+sysfs_fan_div(1);
+sysfs_fan_div(2);
+sysfs_fan_div(3);
+
+#define device_create_file_fan_div(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
+} while (0)
+
+static ssize_t
+show_pwm_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->pwm[nr - 1]);
+}
+
+static ssize_t
+store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        if (data->type == w83627thf) {
+                /* bits 0-3 are reserved  in 627THF */
+                data->pwm[nr - 1] = PWM_TO_REG(val) & 0xf0;
+                w83627hf_write_value(client,
+                                     W836X7HF_REG_PWM(data->type, nr),
+                                     data->pwm[nr - 1] |
+                                     (w83627hf_read_value(client,
+                                     W836X7HF_REG_PWM(data->type, nr)) & 0x0f));
+        } else {
+                data->pwm[nr - 1] = PWM_TO_REG(val);
+                w83627hf_write_value(client,
+                                     W836X7HF_REG_PWM(data->type, nr),
+                                     data->pwm[nr - 1]);
+        }
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_pwm(offset) \
+static ssize_t show_regs_pwm_##offset (struct device *dev, char *buf) \
+{ \
+        return show_pwm_reg(dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_pwm_##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_pwm_reg(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
+                  show_regs_pwm_##offset, store_regs_pwm_##offset);
+
+sysfs_pwm(1);
+sysfs_pwm(2);
+sysfs_pwm(3);
+
+#define device_create_file_pwm(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_pwm##offset); \
+} while (0)
+
+static ssize_t
+show_sensor_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83627hf_data *data = w83627hf_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]);
+}
+
+static ssize_t
+store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        u32 val, tmp;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        switch (val) {
+        case 1:         /* PII/Celeron diode */
+                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
+                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                                    tmp | BIT_SCFG1[nr - 1]);
+                tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
+                w83627hf_write_value(client, W83781D_REG_SCFG2,
+                                    tmp | BIT_SCFG2[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        case 2:         /* 3904 */
+                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
+                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                                    tmp | BIT_SCFG1[nr - 1]);
+                tmp = w83627hf_read_value(client, W83781D_REG_SCFG2);
+                w83627hf_write_value(client, W83781D_REG_SCFG2,
+                                    tmp & ~BIT_SCFG2[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        case W83781D_DEFAULT_BETA:      /* thermistor */
+                tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
+                w83627hf_write_value(client, W83781D_REG_SCFG1,
+                                    tmp & ~BIT_SCFG1[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        default:
+                dev_err(&client->dev,
+                       "Invalid sensor type %ld; must be 1, 2, or %d\n",
+                       (long) val, W83781D_DEFAULT_BETA);
+                break;
+        }
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_sensor(offset) \
+static ssize_t show_regs_sensor_##offset (struct device *dev, char *buf) \
+{ \
+    return show_sensor_reg(dev, buf, offset); \
+} \
+static ssize_t \
+store_regs_sensor_##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+    return store_sensor_reg(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \
+                  show_regs_sensor_##offset, store_regs_sensor_##offset);
+
+sysfs_sensor(1);
+sysfs_sensor(2);
+sysfs_sensor(3);
+
+#define device_create_file_sensor(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
+} while (0)
+
+
+/* This function is called when:
+     * w83627hf_driver is inserted (when this module is loaded), for each
+       available adapter
+     * when a new adapter is inserted (and w83627hf_driver is still present) */
+static int w83627hf_attach_adapter(struct i2c_adapter *adapter)
+{
+        return i2c_detect(adapter, &addr_data, w83627hf_detect);
+}
+
+static int w83627hf_find(int sioaddr, int *address)
+{
+        u16 val;
+
+        REG = sioaddr;
+        VAL = sioaddr + 1;
+
+        superio_enter();
+        val= superio_inb(DEVID);
+        if(val != W627_DEVID &&
+           val != W627THF_DEVID &&
+           val != W697_DEVID &&
+           val != W637_DEVID) {
+                superio_exit();
+                return -ENODEV;
+        }
+
+        superio_select(W83627HF_LD_HWM);
+        val = (superio_inb(WINB_BASE_REG) << 8) |
+               superio_inb(WINB_BASE_REG + 1);
+        *address = val & ~(WINB_EXTENT - 1);
+        if (*address == 0 && force_addr == 0) {
+                superio_exit();
+                return -ENODEV;
+        }
+        if (force_addr)
+                *address = force_addr;  /* so detect will get called */
+
+        superio_exit();
+        return 0;
+}
+
+int w83627hf_detect(struct i2c_adapter *adapter, int address,
+                   int kind)
+{
+        int val;
+        struct i2c_client *new_client;
+        struct w83627hf_data *data;
+        int err = 0;
+        const char *client_name = "";
+
+        if (!i2c_is_isa_adapter(adapter)) {
+                err = -ENODEV;
+                goto ERROR0;
+        }
+
+        if(force_addr)
+                address = force_addr & ~(WINB_EXTENT - 1);
+
+        if (!request_region(address, WINB_EXTENT, w83627hf_driver.name)) {
+                err = -EBUSY;
+                goto ERROR0;
+        }
+
+        if(force_addr) {
+                printk("w83627hf.o: forcing ISA address 0x%04X\n", address);
+                superio_enter();
+                superio_select(W83627HF_LD_HWM);
+                superio_outb(WINB_BASE_REG, address >> 8);
+                superio_outb(WINB_BASE_REG+1, address & 0xff);
+                superio_exit();
+        }
+
+        superio_enter();
+        val= superio_inb(DEVID);
+        if(val == W627_DEVID)
+                kind = w83627hf;
+        else if(val == W697_DEVID)
+                kind = w83697hf;
+        else if(val == W627THF_DEVID)
+                kind = w83627thf;
+        else if(val == W637_DEVID)
+                kind = w83637hf;
+        else {
+                dev_info(&adapter->dev,
+                         "Unsupported chip (dev_id=0x%02X).\n", val);
+                goto ERROR1;
+        }
+
+        superio_select(W83627HF_LD_HWM);
+        if((val = 0x01 & superio_inb(WINB_ACT_REG)) == 0)
+                superio_outb(WINB_ACT_REG, 1);
+        superio_exit();
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access w83627hf_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct w83627hf_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR1;
+        }
+        memset(data, 0, sizeof(struct w83627hf_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        init_MUTEX(&data->lock);
+        new_client->adapter = adapter;
+        new_client->driver = &w83627hf_driver;
+        new_client->flags = 0;
+
+
+        if (kind == w83627hf) {
+                client_name = "w83627hf";
+        } else if (kind == w83627thf) {
+                client_name = "w83627thf";
+        } else if (kind == w83697hf) {
+                client_name = "w83697hf";
+        } else if (kind == w83637hf) {
+                client_name = "w83637hf";
+        }
+
+        /* Fill in the remaining client fields and put into the global list */
+        strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+        data->type = kind;
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR2;
+
+        data->lm75 = NULL;
+
+        /* Initialize the chip */
+        w83627hf_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        data->fan_min[0] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(1));
+        data->fan_min[1] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(2));
+        data->fan_min[2] = w83627hf_read_value(new_client, W83781D_REG_FAN_MIN(3));
+
+        /* Register sysfs hooks */
+        device_create_file_in(new_client, 0);
+        if (kind != w83697hf)
+                device_create_file_in(new_client, 1);
+        device_create_file_in(new_client, 2);
+        device_create_file_in(new_client, 3);
+        device_create_file_in(new_client, 4);
+        if (kind != w83627thf && kind != w83637hf) {
+                device_create_file_in(new_client, 5);
+                device_create_file_in(new_client, 6);
+        }
+        device_create_file_in(new_client, 7);
+        device_create_file_in(new_client, 8);
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_fan(new_client, 3);
+
+        device_create_file_temp(new_client, 1);
+        device_create_file_temp(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_temp(new_client, 3);
+
+        if (kind != w83697hf)
+                device_create_file_vid(new_client);
+
+        if (kind != w83697hf)
+                device_create_file_vrm(new_client);
+
+        device_create_file_fan_div(new_client, 1);
+        device_create_file_fan_div(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_fan_div(new_client, 3);
+
+        device_create_file_alarms(new_client);
+
+        device_create_file_beep(new_client);
+
+        device_create_file_pwm(new_client, 1);
+        device_create_file_pwm(new_client, 2);
+        if (kind == w83627thf || kind == w83637hf)
+                device_create_file_pwm(new_client, 3);
+
+        device_create_file_sensor(new_client, 1);
+        device_create_file_sensor(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_sensor(new_client, 3);
+
+        return 0;
+
+      ERROR2:
+        kfree(data);
+      ERROR1:
+        release_region(address, WINB_EXTENT);
+      ERROR0:
+        return err;
+}
+
+static int w83627hf_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                       "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        release_region(client->addr, WINB_EXTENT);
+        kfree(i2c_get_clientdata(client));
+
+        return 0;
+}
+
+
+/*
+   ISA access must always be locked explicitly!
+   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the W83781D access and should not be necessary.
+   There are some ugly typecasts here, but the good news is - they should
+   nowhere else be necessary! */
+static int w83627hf_read_value(struct i2c_client *client, u16 reg)
+{
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        int res, word_sized;
+
+        down(&data->lock);
+        word_sized = (((reg & 0xff00) == 0x100)
+                   || ((reg & 0xff00) == 0x200))
+                  && (((reg & 0x00ff) == 0x50)
+                   || ((reg & 0x00ff) == 0x53)
+                   || ((reg & 0x00ff) == 0x55));
+        if (reg & 0xff00) {
+                outb_p(W83781D_REG_BANK,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(reg >> 8,
+                       client->addr + W83781D_DATA_REG_OFFSET);
+        }
+        outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+        res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+        if (word_sized) {
+                outb_p((reg & 0xff) + 1,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+                res =
+                    (res << 8) + inb_p(client->addr +
+                                       W83781D_DATA_REG_OFFSET);
+        }
+        if (reg & 0xff00) {
+                outb_p(W83781D_REG_BANK,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+        }
+        up(&data->lock);
+        return res;
+}
+
+static int w83627thf_read_gpio5(struct i2c_client *client)
+{
+        int res = 0xff, sel;
+
+        superio_enter();
+        superio_select(W83627HF_LD_GPIO5);
+
+        /* Make sure these GPIO pins are enabled */
+        if (!(superio_inb(W83627THF_GPIO5_EN) & (1<<3))) {
+                dev_dbg(&client->dev, "GPIO5 disabled, no VID function\n");
+                goto exit;
+        }
+
+        /* Make sure the pins are configured for input
+           There must be at least five (VRM 9), and possibly 6 (VRM 10) */
+        sel = superio_inb(W83627THF_GPIO5_IOSR);
+        if ((sel & 0x1f) != 0x1f) {
+                dev_dbg(&client->dev, "GPIO5 not configured for VID "
+                        "function\n");
+                goto exit;
+        }
+
+        dev_info(&client->dev, "Reading VID from GPIO5\n");
+        res = superio_inb(W83627THF_GPIO5_DR) & sel;
+
+exit:
+        superio_exit();
+        return res;
+}
+
+static int w83627hf_write_value(struct i2c_client *client, u16 reg, u16 value)
+{
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        int word_sized;
+
+        down(&data->lock);
+        word_sized = (((reg & 0xff00) == 0x100)
+                   || ((reg & 0xff00) == 0x200))
+                  && (((reg & 0x00ff) == 0x53)
+                   || ((reg & 0x00ff) == 0x55));
+        if (reg & 0xff00) {
+                outb_p(W83781D_REG_BANK,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(reg >> 8,
+                       client->addr + W83781D_DATA_REG_OFFSET);
+        }
+        outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+        if (word_sized) {
+                outb_p(value >> 8,
+                       client->addr + W83781D_DATA_REG_OFFSET);
+                outb_p((reg & 0xff) + 1,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+        }
+        outb_p(value & 0xff,
+               client->addr + W83781D_DATA_REG_OFFSET);
+        if (reg & 0xff00) {
+                outb_p(W83781D_REG_BANK,
+                       client->addr + W83781D_ADDR_REG_OFFSET);
+                outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+        }
+        up(&data->lock);
+        return 0;
+}
+
+/* Called when we have found a new W83781D. It should set limits, etc. */
+static void w83627hf_init_client(struct i2c_client *client)
+{
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        int i;
+        int type = data->type;
+        u8 tmp;
+
+        if(init) {
+                /* save this register */
+                i = w83627hf_read_value(client, W83781D_REG_BEEP_CONFIG);
+                /* Reset all except Watchdog values and last conversion values
+                   This sets fan-divs to 2, among others */
+                w83627hf_write_value(client, W83781D_REG_CONFIG, 0x80);
+                /* Restore the register and disable power-on abnormal beep.
+                   This saves FAN 1/2/3 input/output values set by BIOS. */
+                w83627hf_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80);
+                /* Disable master beep-enable (reset turns it on).
+                   Individual beeps should be reset to off but for some reason
+                   disabling this bit helps some people not get beeped */
+                w83627hf_write_value(client, W83781D_REG_BEEP_INTS2, 0);
+        }
+
+        /* Minimize conflicts with other winbond i2c-only clients...  */
+        /* disable i2c subclients... how to disable main i2c client?? */
+        /* force i2c address to relatively uncommon address */
+        w83627hf_write_value(client, W83781D_REG_I2C_SUBADDR, 0x89);
+        w83627hf_write_value(client, W83781D_REG_I2C_ADDR, force_i2c);
+
+        /* Read VID only once */
+        if (w83627hf == data->type || w83637hf == data->type) {
+                int lo = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
+                int hi = w83627hf_read_value(client, W83781D_REG_CHIPID);
+                data->vid = (lo & 0x0f) | ((hi & 0x01) << 4);
+        } else if (w83627thf == data->type) {
+                data->vid = w83627thf_read_gpio5(client) & 0x3f;
+        }
+
+        /* Read VRM & OVT Config only once */
+        if (w83627thf == data->type || w83637hf == data->type) {
+                data->vrm_ovt = 
+                        w83627hf_read_value(client, W83627THF_REG_VRM_OVT_CFG);
+                data->vrm = (data->vrm_ovt & 0x01) ? 90 : 82;
+        } else {
+                /* Convert VID to voltage based on default VRM */
+                data->vrm = i2c_which_vrm();
+        }
+
+        tmp = w83627hf_read_value(client, W83781D_REG_SCFG1);
+        for (i = 1; i <= 3; i++) {
+                if (!(tmp & BIT_SCFG1[i - 1])) {
+                        data->sens[i - 1] = W83781D_DEFAULT_BETA;
+                } else {
+                        if (w83627hf_read_value
+                            (client,
+                             W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
+                                data->sens[i - 1] = 1;
+                        else
+                                data->sens[i - 1] = 2;
+                }
+                if ((type == w83697hf) && (i == 2))
+                        break;
+        }
+
+        if(init) {
+                /* Enable temp2 */
+                tmp = w83627hf_read_value(client, W83781D_REG_TEMP2_CONFIG);
+                if (tmp & 0x01) {
+                        dev_warn(&client->dev, "Enabling temp2, readings "
+                                 "might not make sense\n");
+                        w83627hf_write_value(client, W83781D_REG_TEMP2_CONFIG,
+                                tmp & 0xfe);
+                }
+
+                /* Enable temp3 */
+                if (type != w83697hf) {
+                        tmp = w83627hf_read_value(client,
+                                W83781D_REG_TEMP3_CONFIG);
+                        if (tmp & 0x01) {
+                                dev_warn(&client->dev, "Enabling temp3, "
+                                         "readings might not make sense\n");
+                                w83627hf_write_value(client,
+                                        W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
+                        }
+                }
+
+                if (type == w83627hf) {
+                        /* enable PWM2 control (can't hurt since PWM reg
+                           should have been reset to 0xff) */
+                        w83627hf_write_value(client, W83627HF_REG_PWMCLK12,
+                                            0x19);
+                }
+                /* enable comparator mode for temp2 and temp3 so
+                   alarm indication will work correctly */
+                i = w83627hf_read_value(client, W83781D_REG_IRQ);
+                if (!(i & 0x40))
+                        w83627hf_write_value(client, W83781D_REG_IRQ,
+                                            i | 0x40);
+        }
+
+        /* Start monitoring */
+        w83627hf_write_value(client, W83781D_REG_CONFIG,
+                            (w83627hf_read_value(client,
+                                                W83781D_REG_CONFIG) & 0xf7)
+                            | 0x01);
+}
+
+static struct w83627hf_data *w83627hf_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83627hf_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                for (i = 0; i <= 8; i++) {
+                        /* skip missing sensors */
+                        if (((data->type == w83697hf) && (i == 1)) ||
+                            ((data->type == w83627thf || data->type == w83637hf)
+                            && (i == 4 || i == 5)))
+                                continue;
+                        data->in[i] =
+                            w83627hf_read_value(client, W83781D_REG_IN(i));
+                        data->in_min[i] =
+                            w83627hf_read_value(client,
+                                               W83781D_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            w83627hf_read_value(client,
+                                               W83781D_REG_IN_MAX(i));
+                }
+                for (i = 1; i <= 3; i++) {
+                        data->fan[i - 1] =
+                            w83627hf_read_value(client, W83781D_REG_FAN(i));
+                        data->fan_min[i - 1] =
+                            w83627hf_read_value(client,
+                                               W83781D_REG_FAN_MIN(i));
+                }
+                for (i = 1; i <= 3; i++) {
+                        u8 tmp = w83627hf_read_value(client,
+                                W836X7HF_REG_PWM(data->type, i));
+                        /* bits 0-3 are reserved  in 627THF */
+                        if (data->type == w83627thf)
+                                tmp &= 0xf0;
+                        data->pwm[i - 1] = tmp;
+                        if(i == 2 &&
+                           (data->type == w83627hf || data->type == w83697hf))
+                                break;
+                }
+
+                data->temp = w83627hf_read_value(client, W83781D_REG_TEMP(1));
+                data->temp_max =
+                    w83627hf_read_value(client, W83781D_REG_TEMP_OVER(1));
+                data->temp_max_hyst =
+                    w83627hf_read_value(client, W83781D_REG_TEMP_HYST(1));
+                data->temp_add[0] =
+                    w83627hf_read_value(client, W83781D_REG_TEMP(2));
+                data->temp_max_add[0] =
+                    w83627hf_read_value(client, W83781D_REG_TEMP_OVER(2));
+                data->temp_max_hyst_add[0] =
+                    w83627hf_read_value(client, W83781D_REG_TEMP_HYST(2));
+                if (data->type != w83697hf) {
+                        data->temp_add[1] =
+                          w83627hf_read_value(client, W83781D_REG_TEMP(3));
+                        data->temp_max_add[1] =
+                          w83627hf_read_value(client, W83781D_REG_TEMP_OVER(3));
+                        data->temp_max_hyst_add[1] =
+                          w83627hf_read_value(client, W83781D_REG_TEMP_HYST(3));
+                }
+
+                i = w83627hf_read_value(client, W83781D_REG_VID_FANDIV);
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = (i >> 6) & 0x03;
+                if (data->type != w83697hf) {
+                        data->fan_div[2] = (w83627hf_read_value(client,
+                                               W83781D_REG_PIN) >> 6) & 0x03;
+                }
+                i = w83627hf_read_value(client, W83781D_REG_VBAT);
+                data->fan_div[0] |= (i >> 3) & 0x04;
+                data->fan_div[1] |= (i >> 4) & 0x04;
+                if (data->type != w83697hf)
+                        data->fan_div[2] |= (i >> 5) & 0x04;
+                data->alarms =
+                    w83627hf_read_value(client, W83781D_REG_ALARM1) |
+                    (w83627hf_read_value(client, W83781D_REG_ALARM2) << 8) |
+                    (w83627hf_read_value(client, W83781D_REG_ALARM3) << 16);
+                i = w83627hf_read_value(client, W83781D_REG_BEEP_INTS2);
+                data->beep_enable = i >> 7;
+                data->beep_mask = ((i & 0x7f) << 8) |
+                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS1) |
+                    w83627hf_read_value(client, W83781D_REG_BEEP_INTS3) << 16;
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_w83627hf_init(void)
+{
+        int addr;
+
+        if (w83627hf_find(0x2e, &addr)
+         && w83627hf_find(0x4e, &addr)) {
+                return -ENODEV;
+        }
+        normal_isa[0] = addr;
+
+        return i2c_add_driver(&w83627hf_driver);
+}
+
+static void __exit sensors_w83627hf_exit(void)
+{
+        i2c_del_driver(&w83627hf_driver);
+}
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
+              "Philip Edelbrock <phil@netroedge.com>, "
+              "and Mark Studebaker <mdsxyz123@yahoo.com>");
+MODULE_DESCRIPTION("W83627HF driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_w83627hf_init);
+module_exit(sensors_w83627hf_exit);
diff --git a/drivers/i2c/chips/w83781d.c b/drivers/i2c/chips/w83781d.c
new file mode 100644
index 000000000000..4954e465c419
--- /dev/null
+++ b/drivers/i2c/chips/w83781d.c
@@ -0,0 +1,1664 @@
+/*
+    w83781d.c - Part of lm_sensors, Linux kernel modules for hardware
+                monitoring
+    Copyright (c) 1998 - 2001  Frodo Looijaard <frodol@dds.nl>,
+    Philip Edelbrock <phil@netroedge.com>,
+    and Mark Studebaker <mdsxyz123@yahoo.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+/*
+    Supports following chips:
+
+    Chip        #vin    #fanin  #pwm    #temp   wchipid vendid  i2c     ISA
+    as99127f    7       3       0       3       0x31    0x12c3  yes     no
+    as99127f rev.2 (type_name = as99127f)       0x31    0x5ca3  yes     no
+    w83781d     7       3       0       3       0x10-1  0x5ca3  yes     yes
+    w83627hf    9       3       2       3       0x21    0x5ca3  yes     yes(LPC)
+    w83627thf   9       3       2       3       0x90    0x5ca3  no      yes(LPC)
+    w83782d     9       3       2-4     3       0x30    0x5ca3  yes     yes
+    w83783s     5-6     3       2       1-2     0x40    0x5ca3  yes     no
+    w83697hf    8       2       2       2       0x60    0x5ca3  no      yes(LPC)
+
+*/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+#include <linux/i2c-vid.h>
+#include <asm/io.h>
+#include "lm75.h"
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = { 0x20, 0x21, 0x22, 0x23, 0x24, 0x25,
+                                        0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b,
+                                        0x2c, 0x2d, 0x2e, 0x2f, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { 0x0290, I2C_CLIENT_ISA_END };
+
+/* Insmod parameters */
+SENSORS_INSMOD_6(w83781d, w83782d, w83783s, w83627hf, as99127f, w83697hf);
+I2C_CLIENT_MODULE_PARM(force_subclients, "List of subclient addresses: "
+                    "{bus, clientaddr, subclientaddr1, subclientaddr2}");
+
+static int init = 1;
+module_param(init, bool, 0);
+MODULE_PARM_DESC(init, "Set to zero to bypass chip initialization");
+
+/* Constants specified below */
+
+/* Length of ISA address segment */
+#define W83781D_EXTENT                  8
+
+/* Where are the ISA address/data registers relative to the base address */
+#define W83781D_ADDR_REG_OFFSET         5
+#define W83781D_DATA_REG_OFFSET         6
+
+/* The W83781D registers */
+/* The W83782D registers for nr=7,8 are in bank 5 */
+#define W83781D_REG_IN_MAX(nr)          ((nr < 7) ? (0x2b + (nr) * 2) : \
+                                                    (0x554 + (((nr) - 7) * 2)))
+#define W83781D_REG_IN_MIN(nr)          ((nr < 7) ? (0x2c + (nr) * 2) : \
+                                                    (0x555 + (((nr) - 7) * 2)))
+#define W83781D_REG_IN(nr)              ((nr < 7) ? (0x20 + (nr)) : \
+                                                    (0x550 + (nr) - 7))
+
+#define W83781D_REG_FAN_MIN(nr)         (0x3a + (nr))
+#define W83781D_REG_FAN(nr)             (0x27 + (nr))
+
+#define W83781D_REG_BANK                0x4E
+#define W83781D_REG_TEMP2_CONFIG        0x152
+#define W83781D_REG_TEMP3_CONFIG        0x252
+#define W83781D_REG_TEMP(nr)            ((nr == 3) ? (0x0250) : \
+                                        ((nr == 2) ? (0x0150) : \
+                                                     (0x27)))
+#define W83781D_REG_TEMP_HYST(nr)       ((nr == 3) ? (0x253) : \
+                                        ((nr == 2) ? (0x153) : \
+                                                     (0x3A)))
+#define W83781D_REG_TEMP_OVER(nr)       ((nr == 3) ? (0x255) : \
+                                        ((nr == 2) ? (0x155) : \
+                                                     (0x39)))
+
+#define W83781D_REG_CONFIG              0x40
+#define W83781D_REG_ALARM1              0x41
+#define W83781D_REG_ALARM2              0x42
+#define W83781D_REG_ALARM3              0x450   /* not on W83781D */
+
+#define W83781D_REG_IRQ                 0x4C
+#define W83781D_REG_BEEP_CONFIG         0x4D
+#define W83781D_REG_BEEP_INTS1          0x56
+#define W83781D_REG_BEEP_INTS2          0x57
+#define W83781D_REG_BEEP_INTS3          0x453   /* not on W83781D */
+
+#define W83781D_REG_VID_FANDIV          0x47
+
+#define W83781D_REG_CHIPID              0x49
+#define W83781D_REG_WCHIPID             0x58
+#define W83781D_REG_CHIPMAN             0x4F
+#define W83781D_REG_PIN                 0x4B
+
+/* 782D/783S only */
+#define W83781D_REG_VBAT                0x5D
+
+/* PWM 782D (1-4) and 783S (1-2) only */
+#define W83781D_REG_PWM1                0x5B    /* 782d and 783s/627hf datasheets disagree */
+                                                /* on which is which; */
+#define W83781D_REG_PWM2                0x5A    /* We follow the 782d convention here, */
+                                                /* However 782d is probably wrong. */
+#define W83781D_REG_PWM3                0x5E
+#define W83781D_REG_PWM4                0x5F
+#define W83781D_REG_PWMCLK12            0x5C
+#define W83781D_REG_PWMCLK34            0x45C
+static const u8 regpwm[] = { W83781D_REG_PWM1, W83781D_REG_PWM2,
+        W83781D_REG_PWM3, W83781D_REG_PWM4
+};
+
+#define W83781D_REG_PWM(nr)             (regpwm[(nr) - 1])
+
+#define W83781D_REG_I2C_ADDR            0x48
+#define W83781D_REG_I2C_SUBADDR         0x4A
+
+/* The following are undocumented in the data sheets however we
+   received the information in an email from Winbond tech support */
+/* Sensor selection - not on 781d */
+#define W83781D_REG_SCFG1               0x5D
+static const u8 BIT_SCFG1[] = { 0x02, 0x04, 0x08 };
+
+#define W83781D_REG_SCFG2               0x59
+static const u8 BIT_SCFG2[] = { 0x10, 0x20, 0x40 };
+
+#define W83781D_DEFAULT_BETA            3435
+
+/* RT Table registers */
+#define W83781D_REG_RT_IDX              0x50
+#define W83781D_REG_RT_VAL              0x51
+
+/* Conversions. Rounding and limit checking is only done on the TO_REG
+   variants. Note that you should be a bit careful with which arguments
+   these macros are called: arguments may be evaluated more than once.
+   Fixing this is just not worth it. */
+#define IN_TO_REG(val)                  (SENSORS_LIMIT((((val) * 10 + 8)/16),0,255))
+#define IN_FROM_REG(val)                (((val) * 16) / 10)
+
+static inline u8
+FAN_TO_REG(long rpm, int div)
+{
+        if (rpm == 0)
+                return 255;
+        rpm = SENSORS_LIMIT(rpm, 1, 1000000);
+        return SENSORS_LIMIT((1350000 + rpm * div / 2) / (rpm * div), 1, 254);
+}
+
+#define FAN_FROM_REG(val,div)           ((val) == 0   ? -1 : \
+                                        ((val) == 255 ? 0 : \
+                                                        1350000 / ((val) * (div))))
+
+#define TEMP_TO_REG(val)                (SENSORS_LIMIT(((val) < 0 ? (val)+0x100*1000 \
+                                                : (val)) / 1000, 0, 0xff))
+#define TEMP_FROM_REG(val)              (((val) & 0x80 ? (val)-0x100 : (val)) * 1000)
+
+#define ALARMS_FROM_REG(val)            (val)
+#define PWM_FROM_REG(val)               (val)
+#define PWM_TO_REG(val)                 (SENSORS_LIMIT((val),0,255))
+#define BEEP_MASK_FROM_REG(val,type)    ((type) == as99127f ? \
+                                         (val) ^ 0x7fff : (val))
+#define BEEP_MASK_TO_REG(val,type)      ((type) == as99127f ? \
+                                         (~(val)) & 0x7fff : (val) & 0xffffff)
+
+#define BEEP_ENABLE_TO_REG(val)         ((val) ? 1 : 0)
+#define BEEP_ENABLE_FROM_REG(val)       ((val) ? 1 : 0)
+
+#define DIV_FROM_REG(val)               (1 << (val))
+
+static inline u8
+DIV_TO_REG(long val, enum chips type)
+{
+        int i;
+        val = SENSORS_LIMIT(val, 1,
+                            ((type == w83781d
+                              || type == as99127f) ? 8 : 128)) >> 1;
+        for (i = 0; i < 6; i++) {
+                if (val == 0)
+                        break;
+                val >>= 1;
+        }
+        return ((u8) i);
+}
+
+/* There are some complications in a module like this. First off, W83781D chips
+   may be both present on the SMBus and the ISA bus, and we have to handle
+   those cases separately at some places. Second, there might be several
+   W83781D chips available (well, actually, that is probably never done; but
+   it is a clean illustration of how to handle a case like that). Finally,
+   a specific chip may be attached to *both* ISA and SMBus, and we would
+   not like to detect it double. Fortunately, in the case of the W83781D at
+   least, a register tells us what SMBus address we are on, so that helps
+   a bit - except if there could be more than one SMBus. Groan. No solution
+   for this yet. */
+
+/* This module may seem overly long and complicated. In fact, it is not so
+   bad. Quite a lot of bookkeeping is done. A real driver can often cut
+   some corners. */
+
+/* For each registered W83781D, we need to keep some data in memory. That
+   data is pointed to by w83781d_list[NR]->data. The structure itself is
+   dynamically allocated, at the same time when a new w83781d client is
+   allocated. */
+struct w83781d_data {
+        struct i2c_client client;
+        struct semaphore lock;
+        enum chips type;
+
+        struct semaphore update_lock;
+        char valid;             /* !=0 if following fields are valid */
+        unsigned long last_updated;     /* In jiffies */
+
+        struct i2c_client *lm75[2];     /* for secondary I2C addresses */
+        /* array of 2 pointers to subclients */
+
+        u8 in[9];               /* Register value - 8 & 9 for 782D only */
+        u8 in_max[9];           /* Register value - 8 & 9 for 782D only */
+        u8 in_min[9];           /* Register value - 8 & 9 for 782D only */
+        u8 fan[3];              /* Register value */
+        u8 fan_min[3];          /* Register value */
+        u8 temp;
+        u8 temp_max;            /* Register value */
+        u8 temp_max_hyst;       /* Register value */
+        u16 temp_add[2];        /* Register value */
+        u16 temp_max_add[2];    /* Register value */
+        u16 temp_max_hyst_add[2];       /* Register value */
+        u8 fan_div[3];          /* Register encoding, shifted right */
+        u8 vid;                 /* Register encoding, combined */
+        u32 alarms;             /* Register encoding, combined */
+        u32 beep_mask;          /* Register encoding, combined */
+        u8 beep_enable;         /* Boolean */
+        u8 pwm[4];              /* Register value */
+        u8 pwmenable[4];        /* Boolean */
+        u16 sens[3];            /* 782D/783S only.
+                                   1 = pentium diode; 2 = 3904 diode;
+                                   3000-5000 = thermistor beta.
+                                   Default = 3435. 
+                                   Other Betas unimplemented */
+        u8 vrm;
+};
+
+static int w83781d_attach_adapter(struct i2c_adapter *adapter);
+static int w83781d_detect(struct i2c_adapter *adapter, int address, int kind);
+static int w83781d_detach_client(struct i2c_client *client);
+
+static int w83781d_read_value(struct i2c_client *client, u16 register);
+static int w83781d_write_value(struct i2c_client *client, u16 register,
+                               u16 value);
+static struct w83781d_data *w83781d_update_device(struct device *dev);
+static void w83781d_init_client(struct i2c_client *client);
+
+static struct i2c_driver w83781d_driver = {
+        .owner = THIS_MODULE,
+        .name = "w83781d",
+        .id = I2C_DRIVERID_W83781D,
+        .flags = I2C_DF_NOTIFY,
+        .attach_adapter = w83781d_attach_adapter,
+        .detach_client = w83781d_detach_client,
+};
+
+/* following are the sysfs callback functions */
+#define show_in_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83781d_data *data = w83781d_update_device(dev); \
+        return sprintf(buf,"%ld\n", (long)IN_FROM_REG(data->reg[nr] * 10)); \
+}
+show_in_reg(in);
+show_in_reg(in_min);
+show_in_reg(in_max);
+
+#define store_in_reg(REG, reg) \
+static ssize_t store_in_##reg (struct device *dev, const char *buf, size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct w83781d_data *data = i2c_get_clientdata(client); \
+        u32 val; \
+         \
+        val = simple_strtoul(buf, NULL, 10) / 10; \
+         \
+        down(&data->update_lock); \
+        data->in_##reg[nr] = IN_TO_REG(val); \
+        w83781d_write_value(client, W83781D_REG_IN_##REG(nr), data->in_##reg[nr]); \
+         \
+        up(&data->update_lock); \
+        return count; \
+}
+store_in_reg(MIN, min);
+store_in_reg(MAX, max);
+
+#define sysfs_in_offset(offset) \
+static ssize_t \
+show_regs_in_##offset (struct device *dev, char *buf) \
+{ \
+        return show_in(dev, buf, offset); \
+} \
+static DEVICE_ATTR(in##offset##_input, S_IRUGO, show_regs_in_##offset, NULL);
+
+#define sysfs_in_reg_offset(reg, offset) \
+static ssize_t show_regs_in_##reg##offset (struct device *dev, char *buf) \
+{ \
+        return show_in_##reg (dev, buf, offset); \
+} \
+static ssize_t store_regs_in_##reg##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_in_##reg (dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(in##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_in_##reg##offset, store_regs_in_##reg##offset);
+
+#define sysfs_in_offsets(offset) \
+sysfs_in_offset(offset); \
+sysfs_in_reg_offset(min, offset); \
+sysfs_in_reg_offset(max, offset);
+
+sysfs_in_offsets(0);
+sysfs_in_offsets(1);
+sysfs_in_offsets(2);
+sysfs_in_offsets(3);
+sysfs_in_offsets(4);
+sysfs_in_offsets(5);
+sysfs_in_offsets(6);
+sysfs_in_offsets(7);
+sysfs_in_offsets(8);
+
+#define device_create_file_in(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_in##offset##_input); \
+device_create_file(&client->dev, &dev_attr_in##offset##_min); \
+device_create_file(&client->dev, &dev_attr_in##offset##_max); \
+} while (0)
+
+#define show_fan_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83781d_data *data = w83781d_update_device(dev); \
+        return sprintf(buf,"%ld\n", \
+                FAN_FROM_REG(data->reg[nr-1], (long)DIV_FROM_REG(data->fan_div[nr-1]))); \
+}
+show_fan_reg(fan);
+show_fan_reg(fan_min);
+
+static ssize_t
+store_fan_min(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->fan_min[nr - 1] =
+            FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr - 1]));
+        w83781d_write_value(client, W83781D_REG_FAN_MIN(nr),
+                            data->fan_min[nr - 1]);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_fan_offset(offset) \
+static ssize_t show_regs_fan_##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan(dev, buf, offset); \
+} \
+static DEVICE_ATTR(fan##offset##_input, S_IRUGO, show_regs_fan_##offset, NULL);
+
+#define sysfs_fan_min_offset(offset) \
+static ssize_t show_regs_fan_min##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan_min(dev, buf, offset); \
+} \
+static ssize_t store_regs_fan_min##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_fan_min(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(fan##offset##_min, S_IRUGO | S_IWUSR, show_regs_fan_min##offset, store_regs_fan_min##offset);
+
+sysfs_fan_offset(1);
+sysfs_fan_min_offset(1);
+sysfs_fan_offset(2);
+sysfs_fan_min_offset(2);
+sysfs_fan_offset(3);
+sysfs_fan_min_offset(3);
+
+#define device_create_file_fan(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_fan##offset##_input); \
+device_create_file(&client->dev, &dev_attr_fan##offset##_min); \
+} while (0)
+
+#define show_temp_reg(reg) \
+static ssize_t show_##reg (struct device *dev, char *buf, int nr) \
+{ \
+        struct w83781d_data *data = w83781d_update_device(dev); \
+        if (nr >= 2) {  /* TEMP2 and TEMP3 */ \
+                return sprintf(buf,"%d\n", \
+                        LM75_TEMP_FROM_REG(data->reg##_add[nr-2])); \
+        } else {        /* TEMP1 */ \
+                return sprintf(buf,"%ld\n", (long)TEMP_FROM_REG(data->reg)); \
+        } \
+}
+show_temp_reg(temp);
+show_temp_reg(temp_max);
+show_temp_reg(temp_max_hyst);
+
+#define store_temp_reg(REG, reg) \
+static ssize_t store_temp_##reg (struct device *dev, const char *buf, size_t count, int nr) \
+{ \
+        struct i2c_client *client = to_i2c_client(dev); \
+        struct w83781d_data *data = i2c_get_clientdata(client); \
+        s32 val; \
+         \
+        val = simple_strtol(buf, NULL, 10); \
+         \
+        down(&data->update_lock); \
+         \
+        if (nr >= 2) {  /* TEMP2 and TEMP3 */ \
+                data->temp_##reg##_add[nr-2] = LM75_TEMP_TO_REG(val); \
+                w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                                data->temp_##reg##_add[nr-2]); \
+        } else {        /* TEMP1 */ \
+                data->temp_##reg = TEMP_TO_REG(val); \
+                w83781d_write_value(client, W83781D_REG_TEMP_##REG(nr), \
+                        data->temp_##reg); \
+        } \
+         \
+        up(&data->update_lock); \
+        return count; \
+}
+store_temp_reg(OVER, max);
+store_temp_reg(HYST, max_hyst);
+
+#define sysfs_temp_offset(offset) \
+static ssize_t \
+show_regs_temp_##offset (struct device *dev, char *buf) \
+{ \
+        return show_temp(dev, buf, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_input, S_IRUGO, show_regs_temp_##offset, NULL);
+
+#define sysfs_temp_reg_offset(reg, offset) \
+static ssize_t show_regs_temp_##reg##offset (struct device *dev, char *buf) \
+{ \
+        return show_temp_##reg (dev, buf, offset); \
+} \
+static ssize_t store_regs_temp_##reg##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_temp_##reg (dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_##reg, S_IRUGO| S_IWUSR, show_regs_temp_##reg##offset, store_regs_temp_##reg##offset);
+
+#define sysfs_temp_offsets(offset) \
+sysfs_temp_offset(offset); \
+sysfs_temp_reg_offset(max, offset); \
+sysfs_temp_reg_offset(max_hyst, offset);
+
+sysfs_temp_offsets(1);
+sysfs_temp_offsets(2);
+sysfs_temp_offsets(3);
+
+#define device_create_file_temp(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_temp##offset##_input); \
+device_create_file(&client->dev, &dev_attr_temp##offset##_max); \
+device_create_file(&client->dev, &dev_attr_temp##offset##_max_hyst); \
+} while (0)
+
+static ssize_t
+show_vid_reg(struct device *dev, char *buf)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
+}
+
+static
+DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL);
+#define device_create_file_vid(client) \
+device_create_file(&client->dev, &dev_attr_cpu0_vid);
+static ssize_t
+show_vrm_reg(struct device *dev, char *buf)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->vrm);
+}
+
+static ssize_t
+store_vrm_reg(struct device *dev, const char *buf, size_t count)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+        data->vrm = val;
+
+        return count;
+}
+
+static
+DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
+#define device_create_file_vrm(client) \
+device_create_file(&client->dev, &dev_attr_vrm);
+static ssize_t
+show_alarms_reg(struct device *dev, char *buf)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) ALARMS_FROM_REG(data->alarms));
+}
+
+static
+DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL);
+#define device_create_file_alarms(client) \
+device_create_file(&client->dev, &dev_attr_alarms);
+static ssize_t show_beep_mask (struct device *dev, char *buf)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n",
+                       (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type));
+}
+static ssize_t show_beep_enable (struct device *dev, char *buf)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n",
+                       (long)BEEP_ENABLE_FROM_REG(data->beep_enable));
+}
+
+#define BEEP_ENABLE                     0       /* Store beep_enable */
+#define BEEP_MASK                       1       /* Store beep_mask */
+
+static ssize_t
+store_beep_reg(struct device *dev, const char *buf, size_t count,
+               int update_mask)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val, val2;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        if (update_mask == BEEP_MASK) { /* We are storing beep_mask */
+                data->beep_mask = BEEP_MASK_TO_REG(val, data->type);
+                w83781d_write_value(client, W83781D_REG_BEEP_INTS1,
+                                    data->beep_mask & 0xff);
+
+                if ((data->type != w83781d) && (data->type != as99127f)) {
+                        w83781d_write_value(client, W83781D_REG_BEEP_INTS3,
+                                            ((data->beep_mask) >> 16) & 0xff);
+                }
+
+                val2 = (data->beep_mask >> 8) & 0x7f;
+        } else {                /* We are storing beep_enable */
+                val2 = w83781d_read_value(client, W83781D_REG_BEEP_INTS2) & 0x7f;
+                data->beep_enable = BEEP_ENABLE_TO_REG(val);
+        }
+
+        w83781d_write_value(client, W83781D_REG_BEEP_INTS2,
+                            val2 | data->beep_enable << 7);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_beep(REG, reg) \
+static ssize_t show_regs_beep_##reg (struct device *dev, char *buf) \
+{ \
+        return show_beep_##reg(dev, buf); \
+} \
+static ssize_t store_regs_beep_##reg (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_beep_reg(dev, buf, count, BEEP_##REG); \
+} \
+static DEVICE_ATTR(beep_##reg, S_IRUGO | S_IWUSR, show_regs_beep_##reg, store_regs_beep_##reg);
+
+sysfs_beep(ENABLE, enable);
+sysfs_beep(MASK, mask);
+
+#define device_create_file_beep(client) \
+do { \
+device_create_file(&client->dev, &dev_attr_beep_enable); \
+device_create_file(&client->dev, &dev_attr_beep_mask); \
+} while (0)
+
+static ssize_t
+show_fan_div_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n",
+                       (long) DIV_FROM_REG(data->fan_div[nr - 1]));
+}
+
+/* Note: we save and restore the fan minimum here, because its value is
+   determined in part by the fan divisor.  This follows the principle of
+   least suprise; the user doesn't expect the fan minimum to change just
+   because the divisor changed. */
+static ssize_t
+store_fan_div_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        unsigned long min;
+        u8 reg;
+        unsigned long val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        
+        /* Save fan_min */
+        min = FAN_FROM_REG(data->fan_min[nr],
+                           DIV_FROM_REG(data->fan_div[nr]));
+
+        data->fan_div[nr] = DIV_TO_REG(val, data->type);
+
+        reg = (w83781d_read_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV)
+               & (nr==0 ? 0xcf : 0x3f))
+            | ((data->fan_div[nr] & 0x03) << (nr==0 ? 4 : 6));
+        w83781d_write_value(client, nr==2 ? W83781D_REG_PIN : W83781D_REG_VID_FANDIV, reg);
+
+        /* w83781d and as99127f don't have extended divisor bits */
+        if (data->type != w83781d && data->type != as99127f) {
+                reg = (w83781d_read_value(client, W83781D_REG_VBAT)
+                       & ~(1 << (5 + nr)))
+                    | ((data->fan_div[nr] & 0x04) << (3 + nr));
+                w83781d_write_value(client, W83781D_REG_VBAT, reg);
+        }
+
+        /* Restore fan_min */
+        data->fan_min[nr] = FAN_TO_REG(min, DIV_FROM_REG(data->fan_div[nr]));
+        w83781d_write_value(client, W83781D_REG_FAN_MIN(nr+1), data->fan_min[nr]);
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_fan_div(offset) \
+static ssize_t show_regs_fan_div_##offset (struct device *dev, char *buf) \
+{ \
+        return show_fan_div_reg(dev, buf, offset); \
+} \
+static ssize_t store_regs_fan_div_##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+        return store_fan_div_reg(dev, buf, count, offset - 1); \
+} \
+static DEVICE_ATTR(fan##offset##_div, S_IRUGO | S_IWUSR, show_regs_fan_div_##offset, store_regs_fan_div_##offset);
+
+sysfs_fan_div(1);
+sysfs_fan_div(2);
+sysfs_fan_div(3);
+
+#define device_create_file_fan_div(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_fan##offset##_div); \
+} while (0)
+
+static ssize_t
+show_pwm_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) PWM_FROM_REG(data->pwm[nr - 1]));
+}
+
+static ssize_t
+show_pwmenable_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->pwmenable[nr - 1]);
+}
+
+static ssize_t
+store_pwm_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+        data->pwm[nr - 1] = PWM_TO_REG(val);
+        w83781d_write_value(client, W83781D_REG_PWM(nr), data->pwm[nr - 1]);
+        up(&data->update_lock);
+        return count;
+}
+
+static ssize_t
+store_pwmenable_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val, reg;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        switch (val) {
+        case 0:
+        case 1:
+                reg = w83781d_read_value(client, W83781D_REG_PWMCLK12);
+                w83781d_write_value(client, W83781D_REG_PWMCLK12,
+                                    (reg & 0xf7) | (val << 3));
+
+                reg = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG);
+                w83781d_write_value(client, W83781D_REG_BEEP_CONFIG,
+                                    (reg & 0xef) | (!val << 4));
+
+                data->pwmenable[nr - 1] = val;
+                break;
+
+        default:
+                up(&data->update_lock);
+                return -EINVAL;
+        }
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_pwm(offset) \
+static ssize_t show_regs_pwm_##offset (struct device *dev, char *buf) \
+{ \
+        return show_pwm_reg(dev, buf, offset); \
+} \
+static ssize_t store_regs_pwm_##offset (struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        return store_pwm_reg(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR, \
+                show_regs_pwm_##offset, store_regs_pwm_##offset);
+
+#define sysfs_pwmenable(offset) \
+static ssize_t show_regs_pwmenable_##offset (struct device *dev, char *buf) \
+{ \
+        return show_pwmenable_reg(dev, buf, offset); \
+} \
+static ssize_t store_regs_pwmenable_##offset (struct device *dev, \
+                const char *buf, size_t count) \
+{ \
+        return store_pwmenable_reg(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(pwm##offset##_enable, S_IRUGO | S_IWUSR, \
+                show_regs_pwmenable_##offset, store_regs_pwmenable_##offset);
+
+sysfs_pwm(1);
+sysfs_pwm(2);
+sysfs_pwmenable(2);             /* only PWM2 can be enabled/disabled */
+sysfs_pwm(3);
+sysfs_pwm(4);
+
+#define device_create_file_pwm(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_pwm##offset); \
+} while (0)
+
+#define device_create_file_pwmenable(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_pwm##offset##_enable); \
+} while (0)
+
+static ssize_t
+show_sensor_reg(struct device *dev, char *buf, int nr)
+{
+        struct w83781d_data *data = w83781d_update_device(dev);
+        return sprintf(buf, "%ld\n", (long) data->sens[nr - 1]);
+}
+
+static ssize_t
+store_sensor_reg(struct device *dev, const char *buf, size_t count, int nr)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        u32 val, tmp;
+
+        val = simple_strtoul(buf, NULL, 10);
+
+        down(&data->update_lock);
+
+        switch (val) {
+        case 1:         /* PII/Celeron diode */
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG1);
+                w83781d_write_value(client, W83781D_REG_SCFG1,
+                                    tmp | BIT_SCFG1[nr - 1]);
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG2);
+                w83781d_write_value(client, W83781D_REG_SCFG2,
+                                    tmp | BIT_SCFG2[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        case 2:         /* 3904 */
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG1);
+                w83781d_write_value(client, W83781D_REG_SCFG1,
+                                    tmp | BIT_SCFG1[nr - 1]);
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG2);
+                w83781d_write_value(client, W83781D_REG_SCFG2,
+                                    tmp & ~BIT_SCFG2[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        case W83781D_DEFAULT_BETA:      /* thermistor */
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG1);
+                w83781d_write_value(client, W83781D_REG_SCFG1,
+                                    tmp & ~BIT_SCFG1[nr - 1]);
+                data->sens[nr - 1] = val;
+                break;
+        default:
+                dev_err(dev, "Invalid sensor type %ld; must be 1, 2, or %d\n",
+                       (long) val, W83781D_DEFAULT_BETA);
+                break;
+        }
+
+        up(&data->update_lock);
+        return count;
+}
+
+#define sysfs_sensor(offset) \
+static ssize_t show_regs_sensor_##offset (struct device *dev, char *buf) \
+{ \
+    return show_sensor_reg(dev, buf, offset); \
+} \
+static ssize_t store_regs_sensor_##offset (struct device *dev, const char *buf, size_t count) \
+{ \
+    return store_sensor_reg(dev, buf, count, offset); \
+} \
+static DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, show_regs_sensor_##offset, store_regs_sensor_##offset);
+
+sysfs_sensor(1);
+sysfs_sensor(2);
+sysfs_sensor(3);
+
+#define device_create_file_sensor(client, offset) \
+do { \
+device_create_file(&client->dev, &dev_attr_temp##offset##_type); \
+} while (0)
+
+/* This function is called when:
+     * w83781d_driver is inserted (when this module is loaded), for each
+       available adapter
+     * when a new adapter is inserted (and w83781d_driver is still present) */
+static int
+w83781d_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, w83781d_detect);
+}
+
+/* Assumes that adapter is of I2C, not ISA variety.
+ * OTHERWISE DON'T CALL THIS
+ */
+static int
+w83781d_detect_subclients(struct i2c_adapter *adapter, int address, int kind,
+                struct i2c_client *new_client)
+{
+        int i, val1 = 0, id;
+        int err;
+        const char *client_name = "";
+        struct w83781d_data *data = i2c_get_clientdata(new_client);
+
+        data->lm75[0] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+        if (!(data->lm75[0])) {
+                err = -ENOMEM;
+                goto ERROR_SC_0;
+        }
+        memset(data->lm75[0], 0x00, sizeof (struct i2c_client));
+
+        id = i2c_adapter_id(adapter);
+
+        if (force_subclients[0] == id && force_subclients[1] == address) {
+                for (i = 2; i <= 3; i++) {
+                        if (force_subclients[i] < 0x48 ||
+                            force_subclients[i] > 0x4f) {
+                                dev_err(&new_client->dev, "Invalid subclient "
+                                        "address %d; must be 0x48-0x4f\n",
+                                        force_subclients[i]);
+                                err = -EINVAL;
+                                goto ERROR_SC_1;
+                        }
+                }
+                w83781d_write_value(new_client, W83781D_REG_I2C_SUBADDR,
+                                (force_subclients[2] & 0x07) |
+                                ((force_subclients[3] & 0x07) << 4));
+                data->lm75[0]->addr = force_subclients[2];
+        } else {
+                val1 = w83781d_read_value(new_client, W83781D_REG_I2C_SUBADDR);
+                data->lm75[0]->addr = 0x48 + (val1 & 0x07);
+        }
+
+        if (kind != w83783s) {
+
+                data->lm75[1] = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
+                if (!(data->lm75[1])) {
+                        err = -ENOMEM;
+                        goto ERROR_SC_1;
+                }
+                memset(data->lm75[1], 0x0, sizeof(struct i2c_client));
+
+                if (force_subclients[0] == id &&
+                    force_subclients[1] == address) {
+                        data->lm75[1]->addr = force_subclients[3];
+                } else {
+                        data->lm75[1]->addr = 0x48 + ((val1 >> 4) & 0x07);
+                }
+                if (data->lm75[0]->addr == data->lm75[1]->addr) {
+                        dev_err(&new_client->dev,
+                               "Duplicate addresses 0x%x for subclients.\n",
+                               data->lm75[0]->addr);
+                        err = -EBUSY;
+                        goto ERROR_SC_2;
+                }
+        }
+
+        if (kind == w83781d)
+                client_name = "w83781d subclient";
+        else if (kind == w83782d)
+                client_name = "w83782d subclient";
+        else if (kind == w83783s)
+                client_name = "w83783s subclient";
+        else if (kind == w83627hf)
+                client_name = "w83627hf subclient";
+        else if (kind == as99127f)
+                client_name = "as99127f subclient";
+
+        for (i = 0; i <= 1; i++) {
+                /* store all data in w83781d */
+                i2c_set_clientdata(data->lm75[i], NULL);
+                data->lm75[i]->adapter = adapter;
+                data->lm75[i]->driver = &w83781d_driver;
+                data->lm75[i]->flags = 0;
+                strlcpy(data->lm75[i]->name, client_name,
+                        I2C_NAME_SIZE);
+                if ((err = i2c_attach_client(data->lm75[i]))) {
+                        dev_err(&new_client->dev, "Subclient %d "
+                                "registration at address 0x%x "
+                                "failed.\n", i, data->lm75[i]->addr);
+                        if (i == 1)
+                                goto ERROR_SC_3;
+                        goto ERROR_SC_2;
+                }
+                if (kind == w83783s)
+                        break;
+        }
+
+        return 0;
+
+/* Undo inits in case of errors */
+ERROR_SC_3:
+        i2c_detach_client(data->lm75[0]);
+ERROR_SC_2:
+        if (NULL != data->lm75[1])
+                kfree(data->lm75[1]);
+ERROR_SC_1:
+        if (NULL != data->lm75[0])
+                kfree(data->lm75[0]);
+ERROR_SC_0:
+        return err;
+}
+
+static int
+w83781d_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        int i = 0, val1 = 0, val2;
+        struct i2c_client *new_client;
+        struct w83781d_data *data;
+        int err;
+        const char *client_name = "";
+        int is_isa = i2c_is_isa_adapter(adapter);
+        enum vendor { winbond, asus } vendid;
+
+        if (!is_isa
+            && !i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
+                err = -EINVAL;
+                goto ERROR0;
+        }
+
+        /* Prevent users from forcing a kind for a bus it isn't supposed
+           to possibly be on */
+        if (is_isa && (kind == as99127f || kind == w83783s)) {
+                dev_err(&adapter->dev,
+                        "Cannot force I2C-only chip for ISA address 0x%02x.\n",
+                        address);
+                err = -EINVAL;
+                goto ERROR0;
+        }
+        if (!is_isa && kind == w83697hf) {
+                dev_err(&adapter->dev,
+                        "Cannot force ISA-only chip for I2C address 0x%02x.\n",
+                        address);
+                err = -EINVAL;
+                goto ERROR0;
+        }
+        
+        if (is_isa)
+                if (!request_region(address, W83781D_EXTENT,
+                                    w83781d_driver.name)) {
+                        dev_dbg(&adapter->dev, "Request of region "
+                                "0x%x-0x%x for w83781d failed\n", address,
+                                address + W83781D_EXTENT - 1);
+                        err = -EBUSY;
+                        goto ERROR0;
+                }
+
+        /* Probe whether there is anything available on this address. Already
+           done for SMBus clients */
+        if (kind < 0) {
+                if (is_isa) {
+
+#define REALLY_SLOW_IO
+                        /* We need the timeouts for at least some LM78-like
+                           chips. But only if we read 'undefined' registers. */
+                        i = inb_p(address + 1);
+                        if (inb_p(address + 2) != i
+                         || inb_p(address + 3) != i
+                         || inb_p(address + 7) != i) {
+                                dev_dbg(&adapter->dev, "Detection of w83781d "
+                                        "chip failed at step 1\n");
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+#undef REALLY_SLOW_IO
+
+                        /* Let's just hope nothing breaks here */
+                        i = inb_p(address + 5) & 0x7f;
+                        outb_p(~i & 0x7f, address + 5);
+                        val2 = inb_p(address + 5) & 0x7f;
+                        if (val2 != (~i & 0x7f)) {
+                                outb_p(i, address + 5);
+                                dev_dbg(&adapter->dev, "Detection of w83781d "
+                                        "chip failed at step 2 (0x%x != "
+                                        "0x%x at 0x%x)\n", val2, ~i & 0x7f,
+                                        address + 5);
+                                err = -ENODEV;
+                                goto ERROR1;
+                        }
+                }
+        }
+
+        /* OK. For now, we presume we have a valid client. We now create the
+           client structure, even though we cannot fill it completely yet.
+           But it allows us to access w83781d_{read,write}_value. */
+
+        if (!(data = kmalloc(sizeof(struct w83781d_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto ERROR1;
+        }
+        memset(data, 0, sizeof(struct w83781d_data));
+
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        init_MUTEX(&data->lock);
+        new_client->adapter = adapter;
+        new_client->driver = &w83781d_driver;
+        new_client->flags = 0;
+
+        /* Now, we do the remaining detection. */
+
+        /* The w8378?d may be stuck in some other bank than bank 0. This may
+           make reading other information impossible. Specify a force=... or
+           force_*=... parameter, and the Winbond will be reset to the right
+           bank. */
+        if (kind < 0) {
+                if (w83781d_read_value(new_client, W83781D_REG_CONFIG) & 0x80) {
+                        dev_dbg(&new_client->dev, "Detection failed at step "
+                                "3\n");
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+                val1 = w83781d_read_value(new_client, W83781D_REG_BANK);
+                val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN);
+                /* Check for Winbond or Asus ID if in bank 0 */
+                if ((!(val1 & 0x07)) &&
+                    (((!(val1 & 0x80)) && (val2 != 0xa3) && (val2 != 0xc3))
+                     || ((val1 & 0x80) && (val2 != 0x5c) && (val2 != 0x12)))) {
+                        dev_dbg(&new_client->dev, "Detection failed at step "
+                                "4\n");
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+                /* If Winbond SMBus, check address at 0x48.
+                   Asus doesn't support, except for as99127f rev.2 */
+                if ((!is_isa) && (((!(val1 & 0x80)) && (val2 == 0xa3)) ||
+                                  ((val1 & 0x80) && (val2 == 0x5c)))) {
+                        if (w83781d_read_value
+                            (new_client, W83781D_REG_I2C_ADDR) != address) {
+                                dev_dbg(&new_client->dev, "Detection failed "
+                                        "at step 5\n");
+                                err = -ENODEV;
+                                goto ERROR2;
+                        }
+                }
+        }
+
+        /* We have either had a force parameter, or we have already detected the
+           Winbond. Put it now into bank 0 and Vendor ID High Byte */
+        w83781d_write_value(new_client, W83781D_REG_BANK,
+                            (w83781d_read_value(new_client,
+                                                W83781D_REG_BANK) & 0x78) |
+                            0x80);
+
+        /* Determine the chip type. */
+        if (kind <= 0) {
+                /* get vendor ID */
+                val2 = w83781d_read_value(new_client, W83781D_REG_CHIPMAN);
+                if (val2 == 0x5c)
+                        vendid = winbond;
+                else if (val2 == 0x12)
+                        vendid = asus;
+                else {
+                        dev_dbg(&new_client->dev, "Chip was made by neither "
+                                "Winbond nor Asus?\n");
+                        err = -ENODEV;
+                        goto ERROR2;
+                }
+
+                val1 = w83781d_read_value(new_client, W83781D_REG_WCHIPID);
+                if ((val1 == 0x10 || val1 == 0x11) && vendid == winbond)
+                        kind = w83781d;
+                else if (val1 == 0x30 && vendid == winbond)
+                        kind = w83782d;
+                else if (val1 == 0x40 && vendid == winbond && !is_isa
+                                && address == 0x2d)
+                        kind = w83783s;
+                else if ((val1 == 0x21 || val1 == 0x90) && vendid == winbond)
+                        kind = w83627hf;
+                else if (val1 == 0x31 && !is_isa && address >= 0x28)
+                        kind = as99127f;
+                else if (val1 == 0x60 && vendid == winbond && is_isa)
+                        kind = w83697hf;
+                else {
+                        if (kind == 0)
+                                dev_warn(&new_client->dev, "Ignoring 'force' "
+                                         "parameter for unknown chip at "
+                                         "adapter %d, address 0x%02x\n",
+                                         i2c_adapter_id(adapter), address);
+                        err = -EINVAL;
+                        goto ERROR2;
+                }
+        }
+
+        if (kind == w83781d) {
+                client_name = "w83781d";
+        } else if (kind == w83782d) {
+                client_name = "w83782d";
+        } else if (kind == w83783s) {
+                client_name = "w83783s";
+        } else if (kind == w83627hf) {
+                if (val1 == 0x90)
+                        client_name = "w83627thf";
+                else
+                        client_name = "w83627hf";
+        } else if (kind == as99127f) {
+                client_name = "as99127f";
+        } else if (kind == w83697hf) {
+                client_name = "w83697hf";
+        }
+
+        /* Fill in the remaining client fields and put into the global list */
+        strlcpy(new_client->name, client_name, I2C_NAME_SIZE);
+        data->type = kind;
+
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Tell the I2C layer a new client has arrived */
+        if ((err = i2c_attach_client(new_client)))
+                goto ERROR2;
+
+        /* attach secondary i2c lm75-like clients */
+        if (!is_isa) {
+                if ((err = w83781d_detect_subclients(adapter, address,
+                                kind, new_client)))
+                        goto ERROR3;
+        } else {
+                data->lm75[0] = NULL;
+                data->lm75[1] = NULL;
+        }
+
+        /* Initialize the chip */
+        w83781d_init_client(new_client);
+
+        /* A few vars need to be filled upon startup */
+        for (i = 1; i <= 3; i++) {
+                data->fan_min[i - 1] = w83781d_read_value(new_client,
+                                        W83781D_REG_FAN_MIN(i));
+        }
+        if (kind != w83781d && kind != as99127f)
+                for (i = 0; i < 4; i++)
+                        data->pwmenable[i] = 1;
+
+        /* Register sysfs hooks */
+        device_create_file_in(new_client, 0);
+        if (kind != w83783s && kind != w83697hf)
+                device_create_file_in(new_client, 1);
+        device_create_file_in(new_client, 2);
+        device_create_file_in(new_client, 3);
+        device_create_file_in(new_client, 4);
+        device_create_file_in(new_client, 5);
+        device_create_file_in(new_client, 6);
+        if (kind != as99127f && kind != w83781d && kind != w83783s) {
+                device_create_file_in(new_client, 7);
+                device_create_file_in(new_client, 8);
+        }
+
+        device_create_file_fan(new_client, 1);
+        device_create_file_fan(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_fan(new_client, 3);
+
+        device_create_file_temp(new_client, 1);
+        device_create_file_temp(new_client, 2);
+        if (kind != w83783s && kind != w83697hf)
+                device_create_file_temp(new_client, 3);
+
+        if (kind != w83697hf)
+                device_create_file_vid(new_client);
+
+        if (kind != w83697hf)
+                device_create_file_vrm(new_client);
+
+        device_create_file_fan_div(new_client, 1);
+        device_create_file_fan_div(new_client, 2);
+        if (kind != w83697hf)
+                device_create_file_fan_div(new_client, 3);
+
+        device_create_file_alarms(new_client);
+
+        device_create_file_beep(new_client);
+
+        if (kind != w83781d && kind != as99127f) {
+                device_create_file_pwm(new_client, 1);
+                device_create_file_pwm(new_client, 2);
+                device_create_file_pwmenable(new_client, 2);
+        }
+        if (kind == w83782d && !is_isa) {
+                device_create_file_pwm(new_client, 3);
+                device_create_file_pwm(new_client, 4);
+        }
+
+        if (kind != as99127f && kind != w83781d) {
+                device_create_file_sensor(new_client, 1);
+                device_create_file_sensor(new_client, 2);
+                if (kind != w83783s && kind != w83697hf)
+                        device_create_file_sensor(new_client, 3);
+        }
+
+        return 0;
+
+ERROR3:
+        i2c_detach_client(new_client);
+ERROR2:
+        kfree(data);
+ERROR1:
+        if (is_isa)
+                release_region(address, W83781D_EXTENT);
+ERROR0:
+        return err;
+}
+
+static int
+w83781d_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if (i2c_is_isa_client(client))
+                release_region(client->addr, W83781D_EXTENT);
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev,
+                       "Client deregistration failed, client not detached.\n");
+                return err;
+        }
+
+        if (i2c_get_clientdata(client)==NULL) {
+                /* subclients */
+                kfree(client);
+        } else {
+                /* main client */
+                kfree(i2c_get_clientdata(client));
+        }
+
+        return 0;
+}
+
+/* The SMBus locks itself, usually, but nothing may access the Winbond between
+   bank switches. ISA access must always be locked explicitly! 
+   We ignore the W83781D BUSY flag at this moment - it could lead to deadlocks,
+   would slow down the W83781D access and should not be necessary. 
+   There are some ugly typecasts here, but the good news is - they should
+   nowhere else be necessary! */
+static int
+w83781d_read_value(struct i2c_client *client, u16 reg)
+{
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        int res, word_sized, bank;
+        struct i2c_client *cl;
+
+        down(&data->lock);
+        if (i2c_is_isa_client(client)) {
+                word_sized = (((reg & 0xff00) == 0x100)
+                              || ((reg & 0xff00) == 0x200))
+                    && (((reg & 0x00ff) == 0x50)
+                        || ((reg & 0x00ff) == 0x53)
+                        || ((reg & 0x00ff) == 0x55));
+                if (reg & 0xff00) {
+                        outb_p(W83781D_REG_BANK,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                        outb_p(reg >> 8,
+                               client->addr + W83781D_DATA_REG_OFFSET);
+                }
+                outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+                res = inb_p(client->addr + W83781D_DATA_REG_OFFSET);
+                if (word_sized) {
+                        outb_p((reg & 0xff) + 1,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                        res =
+                            (res << 8) + inb_p(client->addr +
+                                               W83781D_DATA_REG_OFFSET);
+                }
+                if (reg & 0xff00) {
+                        outb_p(W83781D_REG_BANK,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                        outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+                }
+        } else {
+                bank = (reg >> 8) & 0x0f;
+                if (bank > 2)
+                        /* switch banks */
+                        i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+                                                  bank);
+                if (bank == 0 || bank > 2) {
+                        res = i2c_smbus_read_byte_data(client, reg & 0xff);
+                } else {
+                        /* switch to subclient */
+                        cl = data->lm75[bank - 1];
+                        /* convert from ISA to LM75 I2C addresses */
+                        switch (reg & 0xff) {
+                        case 0x50:      /* TEMP */
+                                res = swab16(i2c_smbus_read_word_data(cl, 0));
+                                break;
+                        case 0x52:      /* CONFIG */
+                                res = i2c_smbus_read_byte_data(cl, 1);
+                                break;
+                        case 0x53:      /* HYST */
+                                res = swab16(i2c_smbus_read_word_data(cl, 2));
+                                break;
+                        case 0x55:      /* OVER */
+                        default:
+                                res = swab16(i2c_smbus_read_word_data(cl, 3));
+                                break;
+                        }
+                }
+                if (bank > 2)
+                        i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
+        }
+        up(&data->lock);
+        return res;
+}
+
+static int
+w83781d_write_value(struct i2c_client *client, u16 reg, u16 value)
+{
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        int word_sized, bank;
+        struct i2c_client *cl;
+
+        down(&data->lock);
+        if (i2c_is_isa_client(client)) {
+                word_sized = (((reg & 0xff00) == 0x100)
+                              || ((reg & 0xff00) == 0x200))
+                    && (((reg & 0x00ff) == 0x53)
+                        || ((reg & 0x00ff) == 0x55));
+                if (reg & 0xff00) {
+                        outb_p(W83781D_REG_BANK,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                        outb_p(reg >> 8,
+                               client->addr + W83781D_DATA_REG_OFFSET);
+                }
+                outb_p(reg & 0xff, client->addr + W83781D_ADDR_REG_OFFSET);
+                if (word_sized) {
+                        outb_p(value >> 8,
+                               client->addr + W83781D_DATA_REG_OFFSET);
+                        outb_p((reg & 0xff) + 1,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                }
+                outb_p(value & 0xff, client->addr + W83781D_DATA_REG_OFFSET);
+                if (reg & 0xff00) {
+                        outb_p(W83781D_REG_BANK,
+                               client->addr + W83781D_ADDR_REG_OFFSET);
+                        outb_p(0, client->addr + W83781D_DATA_REG_OFFSET);
+                }
+        } else {
+                bank = (reg >> 8) & 0x0f;
+                if (bank > 2)
+                        /* switch banks */
+                        i2c_smbus_write_byte_data(client, W83781D_REG_BANK,
+                                                  bank);
+                if (bank == 0 || bank > 2) {
+                        i2c_smbus_write_byte_data(client, reg & 0xff,
+                                                  value & 0xff);
+                } else {
+                        /* switch to subclient */
+                        cl = data->lm75[bank - 1];
+                        /* convert from ISA to LM75 I2C addresses */
+                        switch (reg & 0xff) {
+                        case 0x52:      /* CONFIG */
+                                i2c_smbus_write_byte_data(cl, 1, value & 0xff);
+                                break;
+                        case 0x53:      /* HYST */
+                                i2c_smbus_write_word_data(cl, 2, swab16(value));
+                                break;
+                        case 0x55:      /* OVER */
+                                i2c_smbus_write_word_data(cl, 3, swab16(value));
+                                break;
+                        }
+                }
+                if (bank > 2)
+                        i2c_smbus_write_byte_data(client, W83781D_REG_BANK, 0);
+        }
+        up(&data->lock);
+        return 0;
+}
+
+/* Called when we have found a new W83781D. It should set limits, etc. */
+static void
+w83781d_init_client(struct i2c_client *client)
+{
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        int i, p;
+        int type = data->type;
+        u8 tmp;
+
+        if (init && type != as99127f) { /* this resets registers we don't have
+                                           documentation for on the as99127f */
+                /* save these registers */
+                i = w83781d_read_value(client, W83781D_REG_BEEP_CONFIG);
+                p = w83781d_read_value(client, W83781D_REG_PWMCLK12);
+                /* Reset all except Watchdog values and last conversion values
+                   This sets fan-divs to 2, among others */
+                w83781d_write_value(client, W83781D_REG_CONFIG, 0x80);
+                /* Restore the registers and disable power-on abnormal beep.
+                   This saves FAN 1/2/3 input/output values set by BIOS. */
+                w83781d_write_value(client, W83781D_REG_BEEP_CONFIG, i | 0x80);
+                w83781d_write_value(client, W83781D_REG_PWMCLK12, p);
+                /* Disable master beep-enable (reset turns it on).
+                   Individual beep_mask should be reset to off but for some reason
+                   disabling this bit helps some people not get beeped */
+                w83781d_write_value(client, W83781D_REG_BEEP_INTS2, 0);
+        }
+
+        data->vrm = i2c_which_vrm();
+
+        if ((type != w83781d) && (type != as99127f)) {
+                tmp = w83781d_read_value(client, W83781D_REG_SCFG1);
+                for (i = 1; i <= 3; i++) {
+                        if (!(tmp & BIT_SCFG1[i - 1])) {
+                                data->sens[i - 1] = W83781D_DEFAULT_BETA;
+                        } else {
+                                if (w83781d_read_value
+                                    (client,
+                                     W83781D_REG_SCFG2) & BIT_SCFG2[i - 1])
+                                        data->sens[i - 1] = 1;
+                                else
+                                        data->sens[i - 1] = 2;
+                        }
+                        if ((type == w83783s || type == w83697hf) && (i == 2))
+                                break;
+                }
+        }
+
+        if (init && type != as99127f) {
+                /* Enable temp2 */
+                tmp = w83781d_read_value(client, W83781D_REG_TEMP2_CONFIG);
+                if (tmp & 0x01) {
+                        dev_warn(&client->dev, "Enabling temp2, readings "
+                                 "might not make sense\n");
+                        w83781d_write_value(client, W83781D_REG_TEMP2_CONFIG,
+                                tmp & 0xfe);
+                }
+
+                /* Enable temp3 */
+                if (type != w83783s && type != w83697hf) {
+                        tmp = w83781d_read_value(client,
+                                W83781D_REG_TEMP3_CONFIG);
+                        if (tmp & 0x01) {
+                                dev_warn(&client->dev, "Enabling temp3, "
+                                         "readings might not make sense\n");
+                                w83781d_write_value(client,
+                                        W83781D_REG_TEMP3_CONFIG, tmp & 0xfe);
+                        }
+                }
+
+                if (type != w83781d) {
+                        /* enable comparator mode for temp2 and temp3 so
+                           alarm indication will work correctly */
+                        i = w83781d_read_value(client, W83781D_REG_IRQ);
+                        if (!(i & 0x40))
+                                w83781d_write_value(client, W83781D_REG_IRQ,
+                                                    i | 0x40);
+                }
+        }
+
+        /* Start monitoring */
+        w83781d_write_value(client, W83781D_REG_CONFIG,
+                            (w83781d_read_value(client,
+                                                W83781D_REG_CONFIG) & 0xf7)
+                            | 0x01);
+}
+
+static struct w83781d_data *w83781d_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83781d_data *data = i2c_get_clientdata(client);
+        int i;
+
+        down(&data->update_lock);
+
+        if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
+            || !data->valid) {
+                dev_dbg(dev, "Starting device update\n");
+
+                for (i = 0; i <= 8; i++) {
+                        if ((data->type == w83783s || data->type == w83697hf)
+                            && (i == 1))
+                                continue;       /* 783S has no in1 */
+                        data->in[i] =
+                            w83781d_read_value(client, W83781D_REG_IN(i));
+                        data->in_min[i] =
+                            w83781d_read_value(client, W83781D_REG_IN_MIN(i));
+                        data->in_max[i] =
+                            w83781d_read_value(client, W83781D_REG_IN_MAX(i));
+                        if ((data->type != w83782d) && (data->type != w83697hf)
+                            && (data->type != w83627hf) && (i == 6))
+                                break;
+                }
+                for (i = 1; i <= 3; i++) {
+                        data->fan[i - 1] =
+                            w83781d_read_value(client, W83781D_REG_FAN(i));
+                        data->fan_min[i - 1] =
+                            w83781d_read_value(client, W83781D_REG_FAN_MIN(i));
+                }
+                if (data->type != w83781d && data->type != as99127f) {
+                        for (i = 1; i <= 4; i++) {
+                                data->pwm[i - 1] =
+                                    w83781d_read_value(client,
+                                                       W83781D_REG_PWM(i));
+                                if ((data->type != w83782d
+                                     || i2c_is_isa_client(client))
+                                    && i == 2)
+                                        break;
+                        }
+                        /* Only PWM2 can be disabled */
+                        data->pwmenable[1] = (w83781d_read_value(client,
+                                              W83781D_REG_PWMCLK12) & 0x08) >> 3;
+                }
+
+                data->temp = w83781d_read_value(client, W83781D_REG_TEMP(1));
+                data->temp_max =
+                    w83781d_read_value(client, W83781D_REG_TEMP_OVER(1));
+                data->temp_max_hyst =
+                    w83781d_read_value(client, W83781D_REG_TEMP_HYST(1));
+                data->temp_add[0] =
+                    w83781d_read_value(client, W83781D_REG_TEMP(2));
+                data->temp_max_add[0] =
+                    w83781d_read_value(client, W83781D_REG_TEMP_OVER(2));
+                data->temp_max_hyst_add[0] =
+                    w83781d_read_value(client, W83781D_REG_TEMP_HYST(2));
+                if (data->type != w83783s && data->type != w83697hf) {
+                        data->temp_add[1] =
+                            w83781d_read_value(client, W83781D_REG_TEMP(3));
+                        data->temp_max_add[1] =
+                            w83781d_read_value(client,
+                                               W83781D_REG_TEMP_OVER(3));
+                        data->temp_max_hyst_add[1] =
+                            w83781d_read_value(client,
+                                               W83781D_REG_TEMP_HYST(3));
+                }
+                i = w83781d_read_value(client, W83781D_REG_VID_FANDIV);
+                if (data->type != w83697hf) {
+                        data->vid = i & 0x0f;
+                        data->vid |=
+                            (w83781d_read_value(client, W83781D_REG_CHIPID) &
+                             0x01)
+                            << 4;
+                }
+                data->fan_div[0] = (i >> 4) & 0x03;
+                data->fan_div[1] = (i >> 6) & 0x03;
+                if (data->type != w83697hf) {
+                        data->fan_div[2] = (w83781d_read_value(client,
+                                                               W83781D_REG_PIN)
+                                            >> 6) & 0x03;
+                }
+                if ((data->type != w83781d) && (data->type != as99127f)) {
+                        i = w83781d_read_value(client, W83781D_REG_VBAT);
+                        data->fan_div[0] |= (i >> 3) & 0x04;
+                        data->fan_div[1] |= (i >> 4) & 0x04;
+                        if (data->type != w83697hf)
+                                data->fan_div[2] |= (i >> 5) & 0x04;
+                }
+                data->alarms =
+                    w83781d_read_value(client,
+                                       W83781D_REG_ALARM1) +
+                    (w83781d_read_value(client, W83781D_REG_ALARM2) << 8);
+                if ((data->type == w83782d) || (data->type == w83627hf)) {
+                        data->alarms |=
+                            w83781d_read_value(client,
+                                               W83781D_REG_ALARM3) << 16;
+                }
+                i = w83781d_read_value(client, W83781D_REG_BEEP_INTS2);
+                data->beep_enable = i >> 7;
+                data->beep_mask = ((i & 0x7f) << 8) +
+                    w83781d_read_value(client, W83781D_REG_BEEP_INTS1);
+                if ((data->type != w83781d) && (data->type != as99127f)) {
+                        data->beep_mask |=
+                            w83781d_read_value(client,
+                                               W83781D_REG_BEEP_INTS3) << 16;
+                }
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init
+sensors_w83781d_init(void)
+{
+        return i2c_add_driver(&w83781d_driver);
+}
+
+static void __exit
+sensors_w83781d_exit(void)
+{
+        i2c_del_driver(&w83781d_driver);
+}
+
+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>, "
+              "Philip Edelbrock <phil@netroedge.com>, "
+              "and Mark Studebaker <mdsxyz123@yahoo.com>");
+MODULE_DESCRIPTION("W83781D driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_w83781d_init);
+module_exit(sensors_w83781d_exit);
diff --git a/drivers/i2c/chips/w83l785ts.c b/drivers/i2c/chips/w83l785ts.c
new file mode 100644
index 000000000000..59bbc5881fa6
--- /dev/null
+++ b/drivers/i2c/chips/w83l785ts.c
@@ -0,0 +1,329 @@
+/*
+ * w83l785ts.c - Part of lm_sensors, Linux kernel modules for hardware
+ *               monitoring
+ * Copyright (C) 2003-2004  Jean Delvare <khali@linux-fr.org>
+ *
+ * Inspired from the lm83 driver. The W83L785TS-S is a sensor chip made
+ * by Winbond. It reports a single external temperature with a 1 deg
+ * resolution and a 3 deg accuracy. Datasheet can be obtained from
+ * Winbond's website at:
+ *   http://www.winbond-usa.com/products/winbond_products/pdfs/PCIC/W83L785TS-S.pdf
+ *
+ * Ported to Linux 2.6 by Wolfgang Ziegler <nuppla@gmx.at> and Jean Delvare
+ * <khali@linux-fr.org>.
+ *
+ * Thanks to James Bolt <james@evilpenguin.com> for benchmarking the read
+ * error handling mechanism.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/i2c-sensor.h>
+
+/* How many retries on register read error */
+#define MAX_RETRIES     5
+
+/*
+ * Address to scan
+ * Address is fully defined internally and cannot be changed.
+ */
+
+static unsigned short normal_i2c[] = { 0x2e, I2C_CLIENT_END };
+static unsigned int normal_isa[] = { I2C_CLIENT_ISA_END };
+
+/*
+ * Insmod parameters
+ */
+
+SENSORS_INSMOD_1(w83l785ts);
+
+/*
+ * The W83L785TS-S registers
+ * Manufacturer ID is 0x5CA3 for Winbond.
+ */
+
+#define W83L785TS_REG_MAN_ID1           0x4D
+#define W83L785TS_REG_MAN_ID2           0x4C
+#define W83L785TS_REG_CHIP_ID           0x4E
+#define W83L785TS_REG_CONFIG            0x40
+#define W83L785TS_REG_TYPE              0x52
+#define W83L785TS_REG_TEMP              0x27
+#define W83L785TS_REG_TEMP_OVER         0x53 /* not sure about this one */
+
+/*
+ * Conversions
+ * The W83L785TS-S uses signed 8-bit values.
+ */
+
+#define TEMP_FROM_REG(val)      ((val & 0x80 ? val-0x100 : val) * 1000)
+
+/*
+ * Functions declaration
+ */
+
+static int w83l785ts_attach_adapter(struct i2c_adapter *adapter);
+static int w83l785ts_detect(struct i2c_adapter *adapter, int address,
+        int kind);
+static int w83l785ts_detach_client(struct i2c_client *client);
+static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval);
+static struct w83l785ts_data *w83l785ts_update_device(struct device *dev);
+
+/*
+ * Driver data (common to all clients)
+ */
+ 
+static struct i2c_driver w83l785ts_driver = {
+        .owner          = THIS_MODULE,
+        .name           = "w83l785ts",
+        .id             = I2C_DRIVERID_W83L785TS,
+        .flags          = I2C_DF_NOTIFY,
+        .attach_adapter = w83l785ts_attach_adapter,
+        .detach_client  = w83l785ts_detach_client,
+};
+
+/*
+ * Client data (each client gets its own)
+ */
+
+struct w83l785ts_data {
+        struct i2c_client client;
+        struct semaphore update_lock;
+        char valid; /* zero until following fields are valid */
+        unsigned long last_updated; /* in jiffies */
+
+        /* registers values */
+        u8 temp, temp_over;
+};
+
+/*
+ * Sysfs stuff
+ */
+
+static ssize_t show_temp(struct device *dev, char *buf)
+{
+        struct w83l785ts_data *data = w83l785ts_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp));
+}
+
+static ssize_t show_temp_over(struct device *dev, char *buf)
+{
+        struct w83l785ts_data *data = w83l785ts_update_device(dev);
+        return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_over));
+}
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL);
+static DEVICE_ATTR(temp1_max, S_IRUGO, show_temp_over, NULL);
+
+/*
+ * Real code
+ */
+
+static int w83l785ts_attach_adapter(struct i2c_adapter *adapter)
+{
+        if (!(adapter->class & I2C_CLASS_HWMON))
+                return 0;
+        return i2c_detect(adapter, &addr_data, w83l785ts_detect);
+}
+
+/*
+ * The following function does more than just detection. If detection
+ * succeeds, it also registers the new chip.
+ */
+static int w83l785ts_detect(struct i2c_adapter *adapter, int address, int kind)
+{
+        struct i2c_client *new_client;
+        struct w83l785ts_data *data;
+        int err = 0;
+
+
+        if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+                goto exit;
+
+        if (!(data = kmalloc(sizeof(struct w83l785ts_data), GFP_KERNEL))) {
+                err = -ENOMEM;
+                goto exit;
+        }
+        memset(data, 0, sizeof(struct w83l785ts_data));
+
+
+        /* The common I2C client data is placed right before the
+         * W83L785TS-specific data. */
+        new_client = &data->client;
+        i2c_set_clientdata(new_client, data);
+        new_client->addr = address;
+        new_client->adapter = adapter;
+        new_client->driver = &w83l785ts_driver;
+        new_client->flags = 0;
+
+        /*
+         * Now we do the remaining detection. A negative kind means that
+         * the driver was loaded with no force parameter (default), so we
+         * must both detect and identify the chip (actually there is only
+         * one possible kind of chip for now, W83L785TS-S). A zero kind means
+         * that the driver was loaded with the force parameter, the detection
+         * step shall be skipped. A positive kind means that the driver
+         * was loaded with the force parameter and a given kind of chip is
+         * requested, so both the detection and the identification steps
+         * are skipped.
+         */
+        if (kind < 0) { /* detection */
+                if (((w83l785ts_read_value(new_client,
+                      W83L785TS_REG_CONFIG, 0) & 0x80) != 0x00)
+                 || ((w83l785ts_read_value(new_client,
+                      W83L785TS_REG_TYPE, 0) & 0xFC) != 0x00)) {
+                        dev_dbg(&adapter->dev,
+                                "W83L785TS-S detection failed at 0x%02x.\n",
+                                address);
+                        goto exit_free;
+                }
+        }
+
+        if (kind <= 0) { /* identification */
+                u16 man_id;
+                u8 chip_id;
+
+                man_id = (w83l785ts_read_value(new_client,
+                         W83L785TS_REG_MAN_ID1, 0) << 8) +
+                         w83l785ts_read_value(new_client,
+                         W83L785TS_REG_MAN_ID2, 0);
+                chip_id = w83l785ts_read_value(new_client,
+                          W83L785TS_REG_CHIP_ID, 0);
+
+                if (man_id == 0x5CA3) { /* Winbond */
+                        if (chip_id == 0x70) { /* W83L785TS-S */
+                                kind = w83l785ts;                       
+                        }
+                }
+        
+                if (kind <= 0) { /* identification failed */
+                        dev_info(&adapter->dev,
+                                 "Unsupported chip (man_id=0x%04X, "
+                                 "chip_id=0x%02X).\n", man_id, chip_id);
+                        goto exit_free;
+                }
+        }
+
+        /* We can fill in the remaining client fields. */
+        strlcpy(new_client->name, "w83l785ts", I2C_NAME_SIZE);
+        data->valid = 0;
+        init_MUTEX(&data->update_lock);
+
+        /* Default values in case the first read fails (unlikely). */
+        data->temp_over = data->temp = 0;
+
+        /* Tell the I2C layer a new client has arrived. */
+        if ((err = i2c_attach_client(new_client))) 
+                goto exit_free;
+
+        /*
+         * Initialize the W83L785TS chip
+         * Nothing yet, assume it is already started.
+         */
+
+        /* Register sysfs hooks */
+        device_create_file(&new_client->dev, &dev_attr_temp1_input);
+        device_create_file(&new_client->dev, &dev_attr_temp1_max);
+
+        return 0;
+
+exit_free:
+        kfree(data);
+exit:
+        return err;
+}
+
+static int w83l785ts_detach_client(struct i2c_client *client)
+{
+        int err;
+
+        if ((err = i2c_detach_client(client))) {
+                dev_err(&client->dev, "Client deregistration failed, "
+                        "client not detached.\n");
+                return err;
+        }
+
+        kfree(i2c_get_clientdata(client));
+        return 0;
+}
+
+static u8 w83l785ts_read_value(struct i2c_client *client, u8 reg, u8 defval)
+{
+        int value, i;
+
+        /* Frequent read errors have been reported on Asus boards, so we
+         * retry on read errors. If it still fails (unlikely), return the
+         * default value requested by the caller. */
+        for (i = 1; i <= MAX_RETRIES; i++) {
+                value = i2c_smbus_read_byte_data(client, reg);
+                if (value >= 0) {
+                        dev_dbg(&client->dev, "Read 0x%02x from register "
+                                "0x%02x.\n", value, reg);
+                        return value;
+                }
+                dev_dbg(&client->dev, "Read failed, will retry in %d.\n", i);
+                msleep(i);
+        }
+
+        dev_err(&client->dev, "Couldn't read value from register 0x%02x. "
+                "Please report.\n", reg);
+        return defval;
+}
+
+static struct w83l785ts_data *w83l785ts_update_device(struct device *dev)
+{
+        struct i2c_client *client = to_i2c_client(dev);
+        struct w83l785ts_data *data = i2c_get_clientdata(client);
+
+        down(&data->update_lock);
+
+        if (!data->valid || time_after(jiffies, data->last_updated + HZ * 2)) {
+                dev_dbg(&client->dev, "Updating w83l785ts data.\n");
+                data->temp = w83l785ts_read_value(client,
+                             W83L785TS_REG_TEMP, data->temp);
+                data->temp_over = w83l785ts_read_value(client,
+                                  W83L785TS_REG_TEMP_OVER, data->temp_over);
+
+                data->last_updated = jiffies;
+                data->valid = 1;
+        }
+
+        up(&data->update_lock);
+
+        return data;
+}
+
+static int __init sensors_w83l785ts_init(void)
+{
+        return i2c_add_driver(&w83l785ts_driver);
+}
+
+static void __exit sensors_w83l785ts_exit(void)
+{
+        i2c_del_driver(&w83l785ts_driver);
+}
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("W83L785TS-S driver");
+MODULE_LICENSE("GPL");
+
+module_init(sensors_w83l785ts_init);
+module_exit(sensors_w83l785ts_exit);