1 files changed, 343 insertions, 0 deletions

diff --git a/include/linux/i2c/twl4030.h b/include/linux/i2c/twl4030.h
new file mode 100644
index 000000000000..fb604dcd38f1
--- /dev/null
+++ b/include/linux/i2c/twl4030.h
@@ -0,0 +1,343 @@
+/*
+ * twl4030.h - header for TWL4030 PM and audio CODEC device
+ *
+ * Copyright (C) 2005-2006 Texas Instruments, Inc.
+ *
+ * Based on tlv320aic23.c:
+ * Copyright (c) by Kai Svahn <kai.svahn@nokia.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., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ *
+ */
+
+#ifndef __TWL4030_H_
+#define __TWL4030_H_
+
+/*
+ * Using the twl4030 core we address registers using a pair
+ *      { module id, relative register offset }
+ * which that core then maps to the relevant
+ *      { i2c slave, absolute register address }
+ *
+ * The module IDs are meaningful only to the twl4030 core code,
+ * which uses them as array indices to look up the first register
+ * address each module uses within a given i2c slave.
+ */
+
+/* Slave 0 (i2c address 0x48) */
+#define TWL4030_MODULE_USB              0x00
+
+/* Slave 1 (i2c address 0x49) */
+#define TWL4030_MODULE_AUDIO_VOICE      0x01
+#define TWL4030_MODULE_GPIO             0x02
+#define TWL4030_MODULE_INTBR            0x03
+#define TWL4030_MODULE_PIH              0x04
+#define TWL4030_MODULE_TEST             0x05
+
+/* Slave 2 (i2c address 0x4a) */
+#define TWL4030_MODULE_KEYPAD           0x06
+#define TWL4030_MODULE_MADC             0x07
+#define TWL4030_MODULE_INTERRUPTS       0x08
+#define TWL4030_MODULE_LED              0x09
+#define TWL4030_MODULE_MAIN_CHARGE      0x0A
+#define TWL4030_MODULE_PRECHARGE        0x0B
+#define TWL4030_MODULE_PWM0             0x0C
+#define TWL4030_MODULE_PWM1             0x0D
+#define TWL4030_MODULE_PWMA             0x0E
+#define TWL4030_MODULE_PWMB             0x0F
+
+/* Slave 3 (i2c address 0x4b) */
+#define TWL4030_MODULE_BACKUP           0x10
+#define TWL4030_MODULE_INT              0x11
+#define TWL4030_MODULE_PM_MASTER        0x12
+#define TWL4030_MODULE_PM_RECEIVER      0x13
+#define TWL4030_MODULE_RTC              0x14
+#define TWL4030_MODULE_SECURED_REG      0x15
+
+/*
+ * Read and write single 8-bit registers
+ */
+int twl4030_i2c_write_u8(u8 mod_no, u8 val, u8 reg);
+int twl4030_i2c_read_u8(u8 mod_no, u8 *val, u8 reg);
+
+/*
+ * Read and write several 8-bit registers at once.
+ *
+ * IMPORTANT:  For twl4030_i2c_write(), allocate num_bytes + 1
+ * for the value, and populate your data starting at offset 1.
+ */
+int twl4030_i2c_write(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
+int twl4030_i2c_read(u8 mod_no, u8 *value, u8 reg, u8 num_bytes);
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * NOTE:  at up to 1024 registers, this is a big chip.
+ *
+ * Avoid putting register declarations in this file, instead of into
+ * a driver-private file, unless some of the registers in a block
+ * need to be shared with other drivers.  One example is blocks that
+ * have Secondary IRQ Handler (SIH) registers.
+ */
+
+#define TWL4030_SIH_CTRL_EXCLEN_MASK    BIT(0)
+#define TWL4030_SIH_CTRL_PENDDIS_MASK   BIT(1)
+#define TWL4030_SIH_CTRL_COR_MASK       BIT(2)
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * GPIO Block Register offsets (use TWL4030_MODULE_GPIO)
+ */
+
+#define REG_GPIODATAIN1                 0x0
+#define REG_GPIODATAIN2                 0x1
+#define REG_GPIODATAIN3                 0x2
+#define REG_GPIODATADIR1                0x3
+#define REG_GPIODATADIR2                0x4
+#define REG_GPIODATADIR3                0x5
+#define REG_GPIODATAOUT1                0x6
+#define REG_GPIODATAOUT2                0x7
+#define REG_GPIODATAOUT3                0x8
+#define REG_CLEARGPIODATAOUT1           0x9
+#define REG_CLEARGPIODATAOUT2           0xA
+#define REG_CLEARGPIODATAOUT3           0xB
+#define REG_SETGPIODATAOUT1             0xC
+#define REG_SETGPIODATAOUT2             0xD
+#define REG_SETGPIODATAOUT3             0xE
+#define REG_GPIO_DEBEN1                 0xF
+#define REG_GPIO_DEBEN2                 0x10
+#define REG_GPIO_DEBEN3                 0x11
+#define REG_GPIO_CTRL                   0x12
+#define REG_GPIOPUPDCTR1                0x13
+#define REG_GPIOPUPDCTR2                0x14
+#define REG_GPIOPUPDCTR3                0x15
+#define REG_GPIOPUPDCTR4                0x16
+#define REG_GPIOPUPDCTR5                0x17
+#define REG_GPIO_ISR1A                  0x19
+#define REG_GPIO_ISR2A                  0x1A
+#define REG_GPIO_ISR3A                  0x1B
+#define REG_GPIO_IMR1A                  0x1C
+#define REG_GPIO_IMR2A                  0x1D
+#define REG_GPIO_IMR3A                  0x1E
+#define REG_GPIO_ISR1B                  0x1F
+#define REG_GPIO_ISR2B                  0x20
+#define REG_GPIO_ISR3B                  0x21
+#define REG_GPIO_IMR1B                  0x22
+#define REG_GPIO_IMR2B                  0x23
+#define REG_GPIO_IMR3B                  0x24
+#define REG_GPIO_EDR1                   0x28
+#define REG_GPIO_EDR2                   0x29
+#define REG_GPIO_EDR3                   0x2A
+#define REG_GPIO_EDR4                   0x2B
+#define REG_GPIO_EDR5                   0x2C
+#define REG_GPIO_SIH_CTRL               0x2D
+
+/* Up to 18 signals are available as GPIOs, when their
+ * pins are not assigned to another use (such as ULPI/USB).
+ */
+#define TWL4030_GPIO_MAX                18
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Keypad register offsets (use TWL4030_MODULE_KEYPAD)
+ * ... SIH/interrupt only
+ */
+
+#define TWL4030_KEYPAD_KEYP_ISR1        0x11
+#define TWL4030_KEYPAD_KEYP_IMR1        0x12
+#define TWL4030_KEYPAD_KEYP_ISR2        0x13
+#define TWL4030_KEYPAD_KEYP_IMR2        0x14
+#define TWL4030_KEYPAD_KEYP_SIR         0x15    /* test register */
+#define TWL4030_KEYPAD_KEYP_EDR         0x16
+#define TWL4030_KEYPAD_KEYP_SIH_CTRL    0x17
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Multichannel ADC register offsets (use TWL4030_MODULE_MADC)
+ * ... SIH/interrupt only
+ */
+
+#define TWL4030_MADC_ISR1               0x61
+#define TWL4030_MADC_IMR1               0x62
+#define TWL4030_MADC_ISR2               0x63
+#define TWL4030_MADC_IMR2               0x64
+#define TWL4030_MADC_SIR                0x65    /* test register */
+#define TWL4030_MADC_EDR                0x66
+#define TWL4030_MADC_SIH_CTRL           0x67
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Battery charger register offsets (use TWL4030_MODULE_INTERRUPTS)
+ */
+
+#define TWL4030_INTERRUPTS_BCIISR1A     0x0
+#define TWL4030_INTERRUPTS_BCIISR2A     0x1
+#define TWL4030_INTERRUPTS_BCIIMR1A     0x2
+#define TWL4030_INTERRUPTS_BCIIMR2A     0x3
+#define TWL4030_INTERRUPTS_BCIISR1B     0x4
+#define TWL4030_INTERRUPTS_BCIISR2B     0x5
+#define TWL4030_INTERRUPTS_BCIIMR1B     0x6
+#define TWL4030_INTERRUPTS_BCIIMR2B     0x7
+#define TWL4030_INTERRUPTS_BCISIR1      0x8     /* test register */
+#define TWL4030_INTERRUPTS_BCISIR2      0x9     /* test register */
+#define TWL4030_INTERRUPTS_BCIEDR1      0xa
+#define TWL4030_INTERRUPTS_BCIEDR2      0xb
+#define TWL4030_INTERRUPTS_BCIEDR3      0xc
+#define TWL4030_INTERRUPTS_BCISIHCTRL   0xd
+
+/*----------------------------------------------------------------------*/
+
+/*
+ * Power Interrupt block register offsets (use TWL4030_MODULE_INT)
+ */
+
+#define TWL4030_INT_PWR_ISR1            0x0
+#define TWL4030_INT_PWR_IMR1            0x1
+#define TWL4030_INT_PWR_ISR2            0x2
+#define TWL4030_INT_PWR_IMR2            0x3
+#define TWL4030_INT_PWR_SIR             0x4     /* test register */
+#define TWL4030_INT_PWR_EDR1            0x5
+#define TWL4030_INT_PWR_EDR2            0x6
+#define TWL4030_INT_PWR_SIH_CTRL        0x7
+
+/*----------------------------------------------------------------------*/
+
+struct twl4030_bci_platform_data {
+        int *battery_tmp_tbl;
+        unsigned int tblsize;
+};
+
+/* TWL4030_GPIO_MAX (18) GPIOs, with interrupts */
+struct twl4030_gpio_platform_data {
+        int             gpio_base;
+        unsigned        irq_base, irq_end;
+
+        /* package the two LED signals as output-only GPIOs? */
+        bool            use_leds;
+
+        /* gpio-n should control VMMC(n+1) if BIT(n) in mmc_cd is set */
+        u8              mmc_cd;
+
+        /* For gpio-N, bit (1 << N) in "pullups" is set if that pullup
+         * should be enabled.  Else, if that bit is set in "pulldowns",
+         * that pulldown is enabled.  Don't waste power by letting any
+         * digital inputs float...
+         */
+        u32             pullups;
+        u32             pulldowns;
+
+        int             (*setup)(struct device *dev,
+                                unsigned gpio, unsigned ngpio);
+        int             (*teardown)(struct device *dev,
+                                unsigned gpio, unsigned ngpio);
+};
+
+struct twl4030_madc_platform_data {
+        int             irq_line;
+};
+
+struct twl4030_keypad_data {
+        int rows;
+        int cols;
+        int *keymap;
+        int irq;
+        unsigned int keymapsize;
+        unsigned int rep:1;
+};
+
+enum twl4030_usb_mode {
+        T2_USB_MODE_ULPI = 1,
+        T2_USB_MODE_CEA2011_3PIN = 2,
+};
+
+struct twl4030_usb_data {
+        enum twl4030_usb_mode   usb_mode;
+};
+
+struct twl4030_platform_data {
+        unsigned                                irq_base, irq_end;
+        struct twl4030_bci_platform_data        *bci;
+        struct twl4030_gpio_platform_data       *gpio;
+        struct twl4030_madc_platform_data       *madc;
+        struct twl4030_keypad_data              *keypad;
+        struct twl4030_usb_data                 *usb;
+
+        /* REVISIT more to come ... _nothing_ should be hard-wired */
+};
+
+/*----------------------------------------------------------------------*/
+
+int twl4030_sih_setup(int module);
+
+/*
+ * FIXME completely stop using TWL4030_IRQ_BASE ... instead, pass the
+ * IRQ data to subsidiary devices using platform device resources.
+ */
+
+/* IRQ information-need base */
+#include <mach/irqs.h>
+/* TWL4030 interrupts */
+
+/* #define TWL4030_MODIRQ_GPIO          (TWL4030_IRQ_BASE + 0) */
+#define TWL4030_MODIRQ_KEYPAD           (TWL4030_IRQ_BASE + 1)
+#define TWL4030_MODIRQ_BCI              (TWL4030_IRQ_BASE + 2)
+#define TWL4030_MODIRQ_MADC             (TWL4030_IRQ_BASE + 3)
+/* #define TWL4030_MODIRQ_USB           (TWL4030_IRQ_BASE + 4) */
+/* #define TWL4030_MODIRQ_PWR           (TWL4030_IRQ_BASE + 5) */
+
+#define TWL4030_PWRIRQ_PWRBTN           (TWL4030_PWR_IRQ_BASE + 0)
+/* #define TWL4030_PWRIRQ_CHG_PRES              (TWL4030_PWR_IRQ_BASE + 1) */
+/* #define TWL4030_PWRIRQ_USB_PRES              (TWL4030_PWR_IRQ_BASE + 2) */
+/* #define TWL4030_PWRIRQ_RTC           (TWL4030_PWR_IRQ_BASE + 3) */
+/* #define TWL4030_PWRIRQ_HOT_DIE               (TWL4030_PWR_IRQ_BASE + 4) */
+/* #define TWL4030_PWRIRQ_PWROK_TIMEOUT (TWL4030_PWR_IRQ_BASE + 5) */
+/* #define TWL4030_PWRIRQ_MBCHG         (TWL4030_PWR_IRQ_BASE + 6) */
+/* #define TWL4030_PWRIRQ_SC_DETECT     (TWL4030_PWR_IRQ_BASE + 7) */
+
+/* Rest are unsued currently*/
+
+/* Offsets to Power Registers */
+#define TWL4030_VDAC_DEV_GRP            0x3B
+#define TWL4030_VDAC_DEDICATED          0x3E
+#define TWL4030_VAUX1_DEV_GRP           0x17
+#define TWL4030_VAUX1_DEDICATED         0x1A
+#define TWL4030_VAUX2_DEV_GRP           0x1B
+#define TWL4030_VAUX2_DEDICATED         0x1E
+#define TWL4030_VAUX3_DEV_GRP           0x1F
+#define TWL4030_VAUX3_DEDICATED         0x22
+
+/* TWL4030 GPIO interrupt definitions */
+
+#define TWL4030_GPIO_IRQ_NO(n)          (TWL4030_GPIO_IRQ_BASE + (n))
+
+/*
+ * Exported TWL4030 GPIO APIs
+ *
+ * WARNING -- use standard GPIO and IRQ calls instead; these will vanish.
+ */
+int twl4030_set_gpio_debounce(int gpio, int enable);
+
+#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
+        defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
+        extern int twl4030charger_usb_en(int enable);
+#else
+        static inline int twl4030charger_usb_en(int enable) { return 0; }
+#endif
+
+#endif /* End of __TWL4030_H */