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-rw-r--r--include/asm-arm/arch-pnx4008/i2c.h67
-rw-r--r--include/linux/i2c-algo-bit.h5
-rw-r--r--include/linux/i2c-algo-ite.h72
-rw-r--r--include/linux/i2c-algo-pca.h1
-rw-r--r--include/linux/i2c-algo-pcf.h3
-rw-r--r--include/linux/i2c-algo-sgi.h1
-rw-r--r--include/linux/i2c-id.h17
-rw-r--r--include/linux/i2c-pnx.h43
-rw-r--r--include/linux/i2c.h75
9 files changed, 157 insertions, 127 deletions
diff --git a/include/asm-arm/arch-pnx4008/i2c.h b/include/asm-arm/arch-pnx4008/i2c.h
new file mode 100644
index 000000000000..92e8d65006f7
--- /dev/null
+++ b/include/asm-arm/arch-pnx4008/i2c.h
@@ -0,0 +1,67 @@
1/*
2 * PNX4008-specific tweaks for I2C IP3204 block
3 *
4 * Author: Vitaly Wool <vwool@ru.mvista.com>
5 *
6 * 2005 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#ifndef __ASM_ARCH_I2C_H__
13#define __ASM_ARCH_I2C_H__
14
15#include <linux/pm.h>
16#include <linux/platform_device.h>
17
18enum {
19 mstatus_tdi = 0x00000001,
20 mstatus_afi = 0x00000002,
21 mstatus_nai = 0x00000004,
22 mstatus_drmi = 0x00000008,
23 mstatus_active = 0x00000020,
24 mstatus_scl = 0x00000040,
25 mstatus_sda = 0x00000080,
26 mstatus_rff = 0x00000100,
27 mstatus_rfe = 0x00000200,
28 mstatus_tff = 0x00000400,
29 mstatus_tfe = 0x00000800,
30};
31
32enum {
33 mcntrl_tdie = 0x00000001,
34 mcntrl_afie = 0x00000002,
35 mcntrl_naie = 0x00000004,
36 mcntrl_drmie = 0x00000008,
37 mcntrl_daie = 0x00000020,
38 mcntrl_rffie = 0x00000040,
39 mcntrl_tffie = 0x00000080,
40 mcntrl_reset = 0x00000100,
41 mcntrl_cdbmode = 0x00000400,
42};
43
44enum {
45 rw_bit = 1 << 0,
46 start_bit = 1 << 8,
47 stop_bit = 1 << 9,
48};
49
50#define I2C_REG_RX(a) ((a)->ioaddr) /* Rx FIFO reg (RO) */
51#define I2C_REG_TX(a) ((a)->ioaddr) /* Tx FIFO reg (WO) */
52#define I2C_REG_STS(a) ((a)->ioaddr + 0x04) /* Status reg (RO) */
53#define I2C_REG_CTL(a) ((a)->ioaddr + 0x08) /* Ctl reg */
54#define I2C_REG_CKL(a) ((a)->ioaddr + 0x0c) /* Clock divider low */
55#define I2C_REG_CKH(a) ((a)->ioaddr + 0x10) /* Clock divider high */
56#define I2C_REG_ADR(a) ((a)->ioaddr + 0x14) /* I2C address */
57#define I2C_REG_RFL(a) ((a)->ioaddr + 0x18) /* Rx FIFO level (RO) */
58#define I2C_REG_TFL(a) ((a)->ioaddr + 0x1c) /* Tx FIFO level (RO) */
59#define I2C_REG_RXB(a) ((a)->ioaddr + 0x20) /* Num of bytes Rx-ed (RO) */
60#define I2C_REG_TXB(a) ((a)->ioaddr + 0x24) /* Num of bytes Tx-ed (RO) */
61#define I2C_REG_TXS(a) ((a)->ioaddr + 0x28) /* Tx slave FIFO (RO) */
62#define I2C_REG_STFL(a) ((a)->ioaddr + 0x2c) /* Tx slave FIFO level (RO) */
63
64#define HCLK_MHZ 13
65#define I2C_CHIP_NAME "PNX4008-I2C"
66
67#endif /* __ASM_ARCH_I2C_H___ */
diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h
index c8f8df25c7e0..937da70cb4c4 100644
--- a/include/linux/i2c-algo-bit.h
+++ b/include/linux/i2c-algo-bit.h
@@ -26,9 +26,9 @@
26 26
27/* --- Defines for bit-adapters --------------------------------------- */ 27/* --- Defines for bit-adapters --------------------------------------- */
28/* 28/*
29 * This struct contains the hw-dependent functions of bit-style adapters to 29 * This struct contains the hw-dependent functions of bit-style adapters to
30 * manipulate the line states, and to init any hw-specific features. This is 30 * manipulate the line states, and to init any hw-specific features. This is
31 * only used if you have more than one hw-type of adapter running. 31 * only used if you have more than one hw-type of adapter running.
32 */ 32 */
33struct i2c_algo_bit_data { 33struct i2c_algo_bit_data {
34 void *data; /* private data for lowlevel routines */ 34 void *data; /* private data for lowlevel routines */
@@ -44,6 +44,5 @@ struct i2c_algo_bit_data {
44}; 44};
45 45
46int i2c_bit_add_bus(struct i2c_adapter *); 46int i2c_bit_add_bus(struct i2c_adapter *);
47int i2c_bit_del_bus(struct i2c_adapter *);
48 47
49#endif /* _LINUX_I2C_ALGO_BIT_H */ 48#endif /* _LINUX_I2C_ALGO_BIT_H */
diff --git a/include/linux/i2c-algo-ite.h b/include/linux/i2c-algo-ite.h
deleted file mode 100644
index 0073fe96c76e..000000000000
--- a/include/linux/i2c-algo-ite.h
+++ /dev/null
@@ -1,72 +0,0 @@
1/* ------------------------------------------------------------------------- */
2/* i2c-algo-ite.h i2c driver algorithms for ITE IIC adapters */
3/* ------------------------------------------------------------------------- */
4/* Copyright (C) 1995-97 Simon G. Vogl
5 1998-99 Hans Berglund
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
20/* ------------------------------------------------------------------------- */
21
22/* With some changes from Kyösti Mälkki <kmalkki@cc.hut.fi> and even
23 Frodo Looijaard <frodol@dds.nl> */
24
25/* Modifications by MontaVista Software, 2001
26 Changes made to support the ITE IIC peripheral */
27
28
29#ifndef I2C_ALGO_ITE_H
30#define I2C_ALGO_ITE_H 1
31
32#include <linux/types.h>
33
34/* Example of a sequential read request:
35 struct i2c_iic_msg s_msg;
36
37 s_msg.addr=device_address;
38 s_msg.len=length;
39 s_msg.buf=buffer;
40 s_msg.waddr=word_address;
41 ioctl(file,I2C_SREAD, &s_msg);
42 */
43#define I2C_SREAD 0x780 /* SREAD ioctl command */
44
45struct i2c_iic_msg {
46 __u16 addr; /* device address */
47 __u16 waddr; /* word address */
48 short len; /* msg length */
49 char *buf; /* pointer to msg data */
50};
51
52#ifdef __KERNEL__
53struct i2c_adapter;
54
55struct i2c_algo_iic_data {
56 void *data; /* private data for lolevel routines */
57 void (*setiic) (void *data, int ctl, int val);
58 int (*getiic) (void *data, int ctl);
59 int (*getown) (void *data);
60 int (*getclock) (void *data);
61 void (*waitforpin) (void);
62
63 /* local settings */
64 int udelay;
65 int mdelay;
66 int timeout;
67};
68
69int i2c_iic_add_bus(struct i2c_adapter *);
70int i2c_iic_del_bus(struct i2c_adapter *);
71#endif /* __KERNEL__ */
72#endif /* I2C_ALGO_ITE_H */
diff --git a/include/linux/i2c-algo-pca.h b/include/linux/i2c-algo-pca.h
index 226693e0d88b..fce47c051bb1 100644
--- a/include/linux/i2c-algo-pca.h
+++ b/include/linux/i2c-algo-pca.h
@@ -10,6 +10,5 @@ struct i2c_algo_pca_data {
10}; 10};
11 11
12int i2c_pca_add_bus(struct i2c_adapter *); 12int i2c_pca_add_bus(struct i2c_adapter *);
13int i2c_pca_del_bus(struct i2c_adapter *);
14 13
15#endif /* _LINUX_I2C_ALGO_PCA_H */ 14#endif /* _LINUX_I2C_ALGO_PCA_H */
diff --git a/include/linux/i2c-algo-pcf.h b/include/linux/i2c-algo-pcf.h
index 9908f3fc4839..994eb86f882c 100644
--- a/include/linux/i2c-algo-pcf.h
+++ b/include/linux/i2c-algo-pcf.h
@@ -31,7 +31,7 @@ struct i2c_algo_pcf_data {
31 int (*getpcf) (void *data, int ctl); 31 int (*getpcf) (void *data, int ctl);
32 int (*getown) (void *data); 32 int (*getown) (void *data);
33 int (*getclock) (void *data); 33 int (*getclock) (void *data);
34 void (*waitforpin) (void); 34 void (*waitforpin) (void);
35 35
36 /* local settings */ 36 /* local settings */
37 int udelay; 37 int udelay;
@@ -39,6 +39,5 @@ struct i2c_algo_pcf_data {
39}; 39};
40 40
41int i2c_pcf_add_bus(struct i2c_adapter *); 41int i2c_pcf_add_bus(struct i2c_adapter *);
42int i2c_pcf_del_bus(struct i2c_adapter *);
43 42
44#endif /* _LINUX_I2C_ALGO_PCF_H */ 43#endif /* _LINUX_I2C_ALGO_PCF_H */
diff --git a/include/linux/i2c-algo-sgi.h b/include/linux/i2c-algo-sgi.h
index 4a0113d64064..3b7715024e69 100644
--- a/include/linux/i2c-algo-sgi.h
+++ b/include/linux/i2c-algo-sgi.h
@@ -22,6 +22,5 @@ struct i2c_algo_sgi_data {
22}; 22};
23 23
24int i2c_sgi_add_bus(struct i2c_adapter *); 24int i2c_sgi_add_bus(struct i2c_adapter *);
25int i2c_sgi_del_bus(struct i2c_adapter *);
26 25
27#endif /* I2C_ALGO_SGI_H */ 26#endif /* I2C_ALGO_SGI_H */
diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h
index 0f4cf34b6fa2..7ae3c3326643 100644
--- a/include/linux/i2c-id.h
+++ b/include/linux/i2c-id.h
@@ -1,7 +1,7 @@
1/* ------------------------------------------------------------------------- */ 1/* ------------------------------------------------------------------------- */
2/* */ 2/* */
3/* i2c-id.h - identifier values for i2c drivers and adapters */ 3/* i2c-id.h - identifier values for i2c drivers and adapters */
4/* */ 4/* */
5/* ------------------------------------------------------------------------- */ 5/* ------------------------------------------------------------------------- */
6/* Copyright (C) 1995-1999 Simon G. Vogl 6/* Copyright (C) 1995-1999 Simon G. Vogl
7 7
@@ -40,10 +40,10 @@
40#define I2C_DRIVERID_SAA7120 11 /* video encoder */ 40#define I2C_DRIVERID_SAA7120 11 /* video encoder */
41#define I2C_DRIVERID_SAA7121 12 /* video encoder */ 41#define I2C_DRIVERID_SAA7121 12 /* video encoder */
42#define I2C_DRIVERID_SAA7185B 13 /* video encoder */ 42#define I2C_DRIVERID_SAA7185B 13 /* video encoder */
43#define I2C_DRIVERID_CH7003 14 /* digital pc to tv encoder */ 43#define I2C_DRIVERID_CH7003 14 /* digital pc to tv encoder */
44#define I2C_DRIVERID_PCF8574A 15 /* i2c expander - 8 bit in/out */ 44#define I2C_DRIVERID_PCF8574A 15 /* i2c expander - 8 bit in/out */
45#define I2C_DRIVERID_PCF8582C 16 /* eeprom */ 45#define I2C_DRIVERID_PCF8582C 16 /* eeprom */
46#define I2C_DRIVERID_AT24Cxx 17 /* eeprom 1/2/4/8/16 K */ 46#define I2C_DRIVERID_AT24Cxx 17 /* eeprom 1/2/4/8/16 K */
47#define I2C_DRIVERID_TEA6300 18 /* audio mixer */ 47#define I2C_DRIVERID_TEA6300 18 /* audio mixer */
48#define I2C_DRIVERID_BT829 19 /* pc to tv encoder */ 48#define I2C_DRIVERID_BT829 19 /* pc to tv encoder */
49#define I2C_DRIVERID_TDA9850 20 /* audio mixer */ 49#define I2C_DRIVERID_TDA9850 20 /* audio mixer */
@@ -82,9 +82,8 @@
82#define I2C_DRIVERID_STM41T00 52 /* real time clock */ 82#define I2C_DRIVERID_STM41T00 52 /* real time clock */
83#define I2C_DRIVERID_UDA1342 53 /* UDA1342 audio codec */ 83#define I2C_DRIVERID_UDA1342 53 /* UDA1342 audio codec */
84#define I2C_DRIVERID_ADV7170 54 /* video encoder */ 84#define I2C_DRIVERID_ADV7170 54 /* video encoder */
85#define I2C_DRIVERID_RADEON 55 /* I2C bus on Radeon boards */
86#define I2C_DRIVERID_MAX1617 56 /* temp sensor */ 85#define I2C_DRIVERID_MAX1617 56 /* temp sensor */
87#define I2C_DRIVERID_SAA7191 57 /* video encoder */ 86#define I2C_DRIVERID_SAA7191 57 /* video decoder */
88#define I2C_DRIVERID_INDYCAM 58 /* SGI IndyCam */ 87#define I2C_DRIVERID_INDYCAM 58 /* SGI IndyCam */
89#define I2C_DRIVERID_BT832 59 /* CMOS camera video processor */ 88#define I2C_DRIVERID_BT832 59 /* CMOS camera video processor */
90#define I2C_DRIVERID_TDA9887 60 /* TDA988x IF-PLL demodulator */ 89#define I2C_DRIVERID_TDA9887 60 /* TDA988x IF-PLL demodulator */
@@ -132,7 +131,6 @@
132#define I2C_DRIVERID_ADM1021 1008 131#define I2C_DRIVERID_ADM1021 1008
133#define I2C_DRIVERID_ADM9240 1009 132#define I2C_DRIVERID_ADM9240 1009
134#define I2C_DRIVERID_LTC1710 1010 133#define I2C_DRIVERID_LTC1710 1010
135#define I2C_DRIVERID_ICSPLL 1012
136#define I2C_DRIVERID_BT869 1013 134#define I2C_DRIVERID_BT869 1013
137#define I2C_DRIVERID_MAXILIFE 1014 135#define I2C_DRIVERID_MAXILIFE 1014
138#define I2C_DRIVERID_MATORB 1015 136#define I2C_DRIVERID_MATORB 1015
@@ -165,7 +163,7 @@
165 * ---- Adapter types ---------------------------------------------------- 163 * ---- Adapter types ----------------------------------------------------
166 */ 164 */
167 165
168/* --- Bit algorithm adapters */ 166/* --- Bit algorithm adapters */
169#define I2C_HW_B_LP 0x010000 /* Parallel port Philips style */ 167#define I2C_HW_B_LP 0x010000 /* Parallel port Philips style */
170#define I2C_HW_B_SER 0x010002 /* Serial line interface */ 168#define I2C_HW_B_SER 0x010002 /* Serial line interface */
171#define I2C_HW_B_BT848 0x010005 /* BT848 video boards */ 169#define I2C_HW_B_BT848 0x010005 /* BT848 video boards */
@@ -213,9 +211,6 @@
213/* --- MPC8xx PowerPC adapters */ 211/* --- MPC8xx PowerPC adapters */
214#define I2C_HW_MPC8XX_EPON 0x110000 /* Eponymous MPC8xx I2C adapter */ 212#define I2C_HW_MPC8XX_EPON 0x110000 /* Eponymous MPC8xx I2C adapter */
215 213
216/* --- ITE based algorithms */
217#define I2C_HW_I_IIC 0x080000 /* controller on the ITE */
218
219/* --- PowerPC on-chip adapters */ 214/* --- PowerPC on-chip adapters */
220#define I2C_HW_OCP 0x120000 /* IBM on-chip I2C adapter */ 215#define I2C_HW_OCP 0x120000 /* IBM on-chip I2C adapter */
221 216
diff --git a/include/linux/i2c-pnx.h b/include/linux/i2c-pnx.h
new file mode 100644
index 000000000000..e6e9c814da61
--- /dev/null
+++ b/include/linux/i2c-pnx.h
@@ -0,0 +1,43 @@
1/*
2 * Header file for I2C support on PNX010x/4008.
3 *
4 * Author: Dennis Kovalev <dkovalev@ru.mvista.com>
5 *
6 * 2004-2006 (c) MontaVista Software, Inc. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11
12#ifndef __I2C_PNX_H__
13#define __I2C_PNX_H__
14
15#include <asm/arch/i2c.h>
16
17struct i2c_pnx_mif {
18 int ret; /* Return value */
19 int mode; /* Interface mode */
20 struct completion complete; /* I/O completion */
21 struct timer_list timer; /* Timeout */
22 char * buf; /* Data buffer */
23 int len; /* Length of data buffer */
24};
25
26struct i2c_pnx_algo_data {
27 u32 base;
28 u32 ioaddr;
29 int irq;
30 struct i2c_pnx_mif mif;
31 int last;
32};
33
34struct i2c_pnx_data {
35 int (*suspend) (struct platform_device *pdev, pm_message_t state);
36 int (*resume) (struct platform_device *pdev);
37 u32 (*calculate_input_freq) (struct platform_device *pdev);
38 int (*set_clock_run) (struct platform_device *pdev);
39 int (*set_clock_stop) (struct platform_device *pdev);
40 struct i2c_adapter *adapter;
41};
42
43#endif /* __I2C_PNX_H__ */
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 9b5d04768c2c..71e50d3e492f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -1,7 +1,7 @@
1/* ------------------------------------------------------------------------- */ 1/* ------------------------------------------------------------------------- */
2/* */ 2/* */
3/* i2c.h - definitions for the i2c-bus interface */ 3/* i2c.h - definitions for the i2c-bus interface */
4/* */ 4/* */
5/* ------------------------------------------------------------------------- */ 5/* ------------------------------------------------------------------------- */
6/* Copyright (C) 1995-2000 Simon G. Vogl 6/* Copyright (C) 1995-2000 Simon G. Vogl
7 7
@@ -27,7 +27,7 @@
27#define _LINUX_I2C_H 27#define _LINUX_I2C_H
28 28
29#include <linux/types.h> 29#include <linux/types.h>
30#ifdef __KERNEL__ 30#ifdef __KERNEL__
31#include <linux/module.h> 31#include <linux/module.h>
32#include <linux/i2c-id.h> 32#include <linux/i2c-id.h>
33#include <linux/mod_devicetable.h> 33#include <linux/mod_devicetable.h>
@@ -53,8 +53,8 @@ union i2c_smbus_data;
53 53
54/* 54/*
55 * The master routines are the ones normally used to transmit data to devices 55 * The master routines are the ones normally used to transmit data to devices
56 * on a bus (or read from them). Apart from two basic transfer functions to 56 * on a bus (or read from them). Apart from two basic transfer functions to
57 * transmit one message at a time, a more complex version can be used to 57 * transmit one message at a time, a more complex version can be used to
58 * transmit an arbitrary number of messages without interruption. 58 * transmit an arbitrary number of messages without interruption.
59 */ 59 */
60extern int i2c_master_send(struct i2c_client *,const char* ,int); 60extern int i2c_master_send(struct i2c_client *,const char* ,int);
@@ -67,10 +67,10 @@ extern int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
67 67
68/* This is the very generalized SMBus access routine. You probably do not 68/* This is the very generalized SMBus access routine. You probably do not
69 want to use this, though; one of the functions below may be much easier, 69 want to use this, though; one of the functions below may be much easier,
70 and probably just as fast. 70 and probably just as fast.
71 Note that we use i2c_adapter here, because you do not need a specific 71 Note that we use i2c_adapter here, because you do not need a specific
72 smbus adapter to call this function. */ 72 smbus adapter to call this function. */
73extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr, 73extern s32 i2c_smbus_xfer (struct i2c_adapter * adapter, u16 addr,
74 unsigned short flags, 74 unsigned short flags,
75 char read_write, u8 command, int size, 75 char read_write, u8 command, int size,
76 union i2c_smbus_data * data); 76 union i2c_smbus_data * data);
@@ -112,14 +112,14 @@ struct i2c_driver {
112 112
113 /* Notifies the driver that a new bus has appeared. This routine 113 /* Notifies the driver that a new bus has appeared. This routine
114 * can be used by the driver to test if the bus meets its conditions 114 * can be used by the driver to test if the bus meets its conditions
115 * & seek for the presence of the chip(s) it supports. If found, it 115 * & seek for the presence of the chip(s) it supports. If found, it
116 * registers the client(s) that are on the bus to the i2c admin. via 116 * registers the client(s) that are on the bus to the i2c admin. via
117 * i2c_attach_client. 117 * i2c_attach_client.
118 */ 118 */
119 int (*attach_adapter)(struct i2c_adapter *); 119 int (*attach_adapter)(struct i2c_adapter *);
120 int (*detach_adapter)(struct i2c_adapter *); 120 int (*detach_adapter)(struct i2c_adapter *);
121 121
122 /* tells the driver that a client is about to be deleted & gives it 122 /* tells the driver that a client is about to be deleted & gives it
123 * the chance to remove its private data. Also, if the client struct 123 * the chance to remove its private data. Also, if the client struct
124 * has been dynamically allocated by the driver in the function above, 124 * has been dynamically allocated by the driver in the function above,
125 * it must be freed here. 125 * it must be freed here.
@@ -139,13 +139,13 @@ struct i2c_driver {
139#define I2C_NAME_SIZE 50 139#define I2C_NAME_SIZE 50
140 140
141/* 141/*
142 * i2c_client identifies a single device (i.e. chip) that is connected to an 142 * i2c_client identifies a single device (i.e. chip) that is connected to an
143 * i2c bus. The behaviour is defined by the routines of the driver. This 143 * i2c bus. The behaviour is defined by the routines of the driver. This
144 * function is mainly used for lookup & other admin. functions. 144 * function is mainly used for lookup & other admin. functions.
145 */ 145 */
146struct i2c_client { 146struct i2c_client {
147 unsigned int flags; /* div., see below */ 147 unsigned int flags; /* div., see below */
148 unsigned short addr; /* chip address - NOTE: 7bit */ 148 unsigned short addr; /* chip address - NOTE: 7bit */
149 /* addresses are stored in the */ 149 /* addresses are stored in the */
150 /* _LOWER_ 7 bits */ 150 /* _LOWER_ 7 bits */
151 struct i2c_adapter *adapter; /* the adapter we sit on */ 151 struct i2c_adapter *adapter; /* the adapter we sit on */
@@ -182,14 +182,14 @@ static inline void i2c_set_clientdata (struct i2c_client *dev, void *data)
182 */ 182 */
183struct i2c_algorithm { 183struct i2c_algorithm {
184 /* If an adapter algorithm can't do I2C-level access, set master_xfer 184 /* If an adapter algorithm can't do I2C-level access, set master_xfer
185 to NULL. If an adapter algorithm can do SMBus access, set 185 to NULL. If an adapter algorithm can do SMBus access, set
186 smbus_xfer. If set to NULL, the SMBus protocol is simulated 186 smbus_xfer. If set to NULL, the SMBus protocol is simulated
187 using common I2C messages */ 187 using common I2C messages */
188 /* master_xfer should return the number of messages successfully 188 /* master_xfer should return the number of messages successfully
189 processed, or a negative value on error */ 189 processed, or a negative value on error */
190 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs, 190 int (*master_xfer)(struct i2c_adapter *adap,struct i2c_msg *msgs,
191 int num); 191 int num);
192 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr, 192 int (*smbus_xfer) (struct i2c_adapter *adap, u16 addr,
193 unsigned short flags, char read_write, 193 unsigned short flags, char read_write,
194 u8 command, int size, union i2c_smbus_data * data); 194 u8 command, int size, union i2c_smbus_data * data);
195 195
@@ -216,6 +216,7 @@ struct i2c_adapter {
216 int (*client_unregister)(struct i2c_client *); 216 int (*client_unregister)(struct i2c_client *);
217 217
218 /* data fields that are valid for all devices */ 218 /* data fields that are valid for all devices */
219 u8 level; /* nesting level for lockdep */
219 struct mutex bus_lock; 220 struct mutex bus_lock;
220 struct mutex clist_lock; 221 struct mutex clist_lock;
221 222
@@ -316,7 +317,7 @@ extern int i2c_check_addr (struct i2c_adapter *adapter, int addr);
316 * It will only call found_proc if some client is connected at the 317 * It will only call found_proc if some client is connected at the
317 * specific address (unless a 'force' matched); 318 * specific address (unless a 'force' matched);
318 */ 319 */
319extern int i2c_probe(struct i2c_adapter *adapter, 320extern int i2c_probe(struct i2c_adapter *adapter,
320 struct i2c_client_address_data *address_data, 321 struct i2c_client_address_data *address_data,
321 int (*found_proc) (struct i2c_adapter *, int, int)); 322 int (*found_proc) (struct i2c_adapter *, int, int));
322 323
@@ -352,15 +353,15 @@ static inline int i2c_adapter_id(struct i2c_adapter *adap)
352 */ 353 */
353struct i2c_msg { 354struct i2c_msg {
354 __u16 addr; /* slave address */ 355 __u16 addr; /* slave address */
355 __u16 flags; 356 __u16 flags;
356#define I2C_M_TEN 0x10 /* we have a ten bit chip address */ 357#define I2C_M_TEN 0x10 /* we have a ten bit chip address */
357#define I2C_M_RD 0x01 358#define I2C_M_RD 0x01
358#define I2C_M_NOSTART 0x4000 359#define I2C_M_NOSTART 0x4000
359#define I2C_M_REV_DIR_ADDR 0x2000 360#define I2C_M_REV_DIR_ADDR 0x2000
360#define I2C_M_IGNORE_NAK 0x1000 361#define I2C_M_IGNORE_NAK 0x1000
361#define I2C_M_NO_RD_ACK 0x0800 362#define I2C_M_NO_RD_ACK 0x0800
362 __u16 len; /* msg length */ 363 __u16 len; /* msg length */
363 __u8 *buf; /* pointer to msg data */ 364 __u8 *buf; /* pointer to msg data */
364}; 365};
365 366
366/* To determine what functionality is present */ 367/* To determine what functionality is present */
@@ -370,16 +371,16 @@ struct i2c_msg {
370#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */ 371#define I2C_FUNC_PROTOCOL_MANGLING 0x00000004 /* I2C_M_{REV_DIR_ADDR,NOSTART,..} */
371#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */ 372#define I2C_FUNC_SMBUS_HWPEC_CALC 0x00000008 /* SMBus 2.0 */
372#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */ 373#define I2C_FUNC_SMBUS_BLOCK_PROC_CALL 0x00008000 /* SMBus 2.0 */
373#define I2C_FUNC_SMBUS_QUICK 0x00010000 374#define I2C_FUNC_SMBUS_QUICK 0x00010000
374#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000 375#define I2C_FUNC_SMBUS_READ_BYTE 0x00020000
375#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000 376#define I2C_FUNC_SMBUS_WRITE_BYTE 0x00040000
376#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000 377#define I2C_FUNC_SMBUS_READ_BYTE_DATA 0x00080000
377#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000 378#define I2C_FUNC_SMBUS_WRITE_BYTE_DATA 0x00100000
378#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000 379#define I2C_FUNC_SMBUS_READ_WORD_DATA 0x00200000
379#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000 380#define I2C_FUNC_SMBUS_WRITE_WORD_DATA 0x00400000
380#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000 381#define I2C_FUNC_SMBUS_PROC_CALL 0x00800000
381#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000 382#define I2C_FUNC_SMBUS_READ_BLOCK_DATA 0x01000000
382#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000 383#define I2C_FUNC_SMBUS_WRITE_BLOCK_DATA 0x02000000
383#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */ 384#define I2C_FUNC_SMBUS_READ_I2C_BLOCK 0x04000000 /* I2C-like block xfer */
384#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */ 385#define I2C_FUNC_SMBUS_WRITE_I2C_BLOCK 0x08000000 /* w/ 1-byte reg. addr. */
385#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */ 386#define I2C_FUNC_SMBUS_READ_I2C_BLOCK_2 0x10000000 /* I2C-like block xfer */
@@ -406,10 +407,10 @@ struct i2c_msg {
406 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \ 407 I2C_FUNC_SMBUS_WRITE_BLOCK_DATA | \
407 I2C_FUNC_SMBUS_I2C_BLOCK) 408 I2C_FUNC_SMBUS_I2C_BLOCK)
408 409
409/* 410/*
410 * Data for SMBus Messages 411 * Data for SMBus Messages
411 */ 412 */
412#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */ 413#define I2C_SMBUS_BLOCK_MAX 32 /* As specified in SMBus standard */
413union i2c_smbus_data { 414union i2c_smbus_data {
414 __u8 byte; 415 __u8 byte;
415 __u16 word; 416 __u16 word;
@@ -421,11 +422,11 @@ union i2c_smbus_data {
421#define I2C_SMBUS_READ 1 422#define I2C_SMBUS_READ 1
422#define I2C_SMBUS_WRITE 0 423#define I2C_SMBUS_WRITE 0
423 424
424/* SMBus transaction types (size parameter in the above functions) 425/* SMBus transaction types (size parameter in the above functions)
425 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */ 426 Note: these no longer correspond to the (arbitrary) PIIX4 internal codes! */
426#define I2C_SMBUS_QUICK 0 427#define I2C_SMBUS_QUICK 0
427#define I2C_SMBUS_BYTE 1 428#define I2C_SMBUS_BYTE 1
428#define I2C_SMBUS_BYTE_DATA 2 429#define I2C_SMBUS_BYTE_DATA 2
429#define I2C_SMBUS_WORD_DATA 3 430#define I2C_SMBUS_WORD_DATA 3
430#define I2C_SMBUS_PROC_CALL 4 431#define I2C_SMBUS_PROC_CALL 4
431#define I2C_SMBUS_BLOCK_DATA 5 432#define I2C_SMBUS_BLOCK_DATA 5
@@ -434,15 +435,15 @@ union i2c_smbus_data {
434 435
435 436
436/* ----- commands for the ioctl like i2c_command call: 437/* ----- commands for the ioctl like i2c_command call:
437 * note that additional calls are defined in the algorithm and hw 438 * note that additional calls are defined in the algorithm and hw
438 * dependent layers - these can be listed here, or see the 439 * dependent layers - these can be listed here, or see the
439 * corresponding header files. 440 * corresponding header files.
440 */ 441 */
441 /* -> bit-adapter specific ioctls */ 442 /* -> bit-adapter specific ioctls */
442#define I2C_RETRIES 0x0701 /* number of times a device address */ 443#define I2C_RETRIES 0x0701 /* number of times a device address */
443 /* should be polled when not */ 444 /* should be polled when not */
444 /* acknowledging */ 445 /* acknowledging */
445#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */ 446#define I2C_TIMEOUT 0x0702 /* set timeout - call with int */
446 447
447 448
448/* this is for i2c-dev.c */ 449/* this is for i2c-dev.c */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 14:13:50 -0500