diff options
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/atmel_mxt_ts.h | 5 | ||||
| -rw-r--r-- | include/linux/i2c/i2c-hid.h | 35 | ||||
| -rw-r--r-- | include/linux/i2c/i2c-sh_mobile.h | 1 | ||||
| -rw-r--r-- | include/linux/i2c/pcf857x.h | 3 | ||||
| -rw-r--r-- | include/linux/i2c/twl.h | 115 |
5 files changed, 101 insertions, 58 deletions
diff --git a/include/linux/i2c/atmel_mxt_ts.h b/include/linux/i2c/atmel_mxt_ts.h index f027f7a6351..99e379b7439 100644 --- a/include/linux/i2c/atmel_mxt_ts.h +++ b/include/linux/i2c/atmel_mxt_ts.h @@ -15,6 +15,9 @@ #include <linux/types.h> +/* For key_map array */ +#define MXT_NUM_GPIO 4 + /* Orient */ #define MXT_NORMAL 0x0 #define MXT_DIAGONAL 0x1 @@ -39,6 +42,8 @@ struct mxt_platform_data { unsigned int voltage; unsigned char orient; unsigned long irqflags; + bool is_tp; + const unsigned int key_map[MXT_NUM_GPIO]; }; #endif /* __LINUX_ATMEL_MXT_TS_H */ diff --git a/include/linux/i2c/i2c-hid.h b/include/linux/i2c/i2c-hid.h new file mode 100644 index 00000000000..60e411d764d --- /dev/null +++ b/include/linux/i2c/i2c-hid.h @@ -0,0 +1,35 @@ +/* + * HID over I2C protocol implementation + * + * Copyright (c) 2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> + * Copyright (c) 2012 Ecole Nationale de l'Aviation Civile, France + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#ifndef __LINUX_I2C_HID_H +#define __LINUX_I2C_HID_H + +#include <linux/types.h> + +/** + * struct i2chid_platform_data - used by hid over i2c implementation. + * @hid_descriptor_address: i2c register where the HID descriptor is stored. + * + * Note that it is the responsibility of the platform driver (or the acpi 5.0 + * driver) to setup the irq related to the gpio in the struct i2c_board_info. + * The platform driver should also setup the gpio according to the device: + * + * A typical example is the following: + * irq = gpio_to_irq(intr_gpio); + * hkdk4412_i2c_devs5[0].irq = irq; // store the irq in i2c_board_info + * gpio_request(intr_gpio, "elan-irq"); + * s3c_gpio_setpull(intr_gpio, S3C_GPIO_PULL_UP); + */ +struct i2c_hid_platform_data { + u16 hid_descriptor_address; +}; + +#endif /* __LINUX_I2C_HID_H */ diff --git a/include/linux/i2c/i2c-sh_mobile.h b/include/linux/i2c/i2c-sh_mobile.h index beda7081aea..06e3089795f 100644 --- a/include/linux/i2c/i2c-sh_mobile.h +++ b/include/linux/i2c/i2c-sh_mobile.h @@ -5,6 +5,7 @@ struct i2c_sh_mobile_platform_data { unsigned long bus_speed; + unsigned int clks_per_count; }; #endif /* __I2C_SH_MOBILE_H__ */ diff --git a/include/linux/i2c/pcf857x.h b/include/linux/i2c/pcf857x.h index 781e6bd06c3..0767a2a6b2f 100644 --- a/include/linux/i2c/pcf857x.h +++ b/include/linux/i2c/pcf857x.h @@ -10,7 +10,6 @@ * @setup: optional callback issued once the GPIOs are valid * @teardown: optional callback issued before the GPIOs are invalidated * @context: optional parameter passed to setup() and teardown() - * @irq: optional interrupt number * * In addition to the I2C_BOARD_INFO() state appropriate to each chip, * the i2c_board_info used with the pcf875x driver must provide its @@ -40,8 +39,6 @@ struct pcf857x_platform_data { int gpio, unsigned ngpio, void *context); void *context; - - int irq; }; #endif /* __LINUX_PCF857X_H */ diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h index 9a5e2846232..488debbef89 100644 --- a/include/linux/i2c/twl.h +++ b/include/linux/i2c/twl.h @@ -39,52 +39,55 @@ * 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 - -#define TWL5031_MODULE_ACCESSORY 0x10 -#define TWL5031_MODULE_INTERRUPTS 0x11 - -/* Slave 3 (i2c address 0x4b) */ -#define TWL4030_MODULE_BACKUP 0x12 -#define TWL4030_MODULE_INT 0x13 -#define TWL4030_MODULE_PM_MASTER 0x14 -#define TWL4030_MODULE_PM_RECEIVER 0x15 -#define TWL4030_MODULE_RTC 0x16 -#define TWL4030_MODULE_SECURED_REG 0x17 - -#define TWL_MODULE_USB TWL4030_MODULE_USB -#define TWL_MODULE_AUDIO_VOICE TWL4030_MODULE_AUDIO_VOICE -#define TWL_MODULE_PIH TWL4030_MODULE_PIH -#define TWL_MODULE_MADC TWL4030_MODULE_MADC -#define TWL_MODULE_MAIN_CHARGE TWL4030_MODULE_MAIN_CHARGE -#define TWL_MODULE_PM_MASTER TWL4030_MODULE_PM_MASTER -#define TWL_MODULE_PM_RECEIVER TWL4030_MODULE_PM_RECEIVER -#define TWL_MODULE_RTC TWL4030_MODULE_RTC -#define TWL_MODULE_PWM TWL4030_MODULE_PWM0 - -#define TWL6030_MODULE_ID0 0x0D -#define TWL6030_MODULE_ID1 0x0E -#define TWL6030_MODULE_ID2 0x0F +/* Module IDs for similar functionalities found in twl4030/twl6030 */ +enum twl_module_ids { + TWL_MODULE_USB, + TWL_MODULE_PIH, + TWL_MODULE_MAIN_CHARGE, + TWL_MODULE_PM_MASTER, + TWL_MODULE_PM_RECEIVER, + + TWL_MODULE_RTC, + TWL_MODULE_PWM, + TWL_MODULE_LED, + TWL_MODULE_SECURED_REG, + + TWL_MODULE_LAST, +}; + +/* Modules only available in twl4030 series */ +enum twl4030_module_ids { + TWL4030_MODULE_AUDIO_VOICE = TWL_MODULE_LAST, + TWL4030_MODULE_GPIO, + TWL4030_MODULE_INTBR, + TWL4030_MODULE_TEST, + TWL4030_MODULE_KEYPAD, + + TWL4030_MODULE_MADC, + TWL4030_MODULE_INTERRUPTS, + TWL4030_MODULE_PRECHARGE, + TWL4030_MODULE_BACKUP, + TWL4030_MODULE_INT, + + TWL5031_MODULE_ACCESSORY, + TWL5031_MODULE_INTERRUPTS, + + TWL4030_MODULE_LAST, +}; + +/* Modules only available in twl6030 series */ +enum twl6030_module_ids { + TWL6030_MODULE_ID0 = TWL_MODULE_LAST, + TWL6030_MODULE_ID1, + TWL6030_MODULE_ID2, + TWL6030_MODULE_GPADC, + TWL6030_MODULE_GASGAUGE, + + TWL6030_MODULE_LAST, +}; + +/* Until the clients has been converted to use TWL_MODULE_LED */ +#define TWL4030_MODULE_LED TWL_MODULE_LED #define GPIO_INTR_OFFSET 0 #define KEYPAD_INTR_OFFSET 1 @@ -172,20 +175,22 @@ TWL_CLASS_IS(4030, TWL4030_CLASS_ID) TWL_CLASS_IS(6030, TWL6030_CLASS_ID) /* - * Read and write single 8-bit registers - */ -int twl_i2c_write_u8(u8 mod_no, u8 val, u8 reg); -int twl_i2c_read_u8(u8 mod_no, u8 *val, u8 reg); - -/* * Read and write several 8-bit registers at once. - * - * IMPORTANT: For twl_i2c_write(), allocate num_bytes + 1 - * for the value, and populate your data starting at offset 1. */ int twl_i2c_write(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes); int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes); +/* + * Read and write single 8-bit registers + */ +static inline int twl_i2c_write_u8(u8 mod_no, u8 val, u8 reg) { + return twl_i2c_write(mod_no, &val, reg, 1); +} + +static inline int twl_i2c_read_u8(u8 mod_no, u8 *val, u8 reg) { + return twl_i2c_read(mod_no, val, reg, 1); +} + int twl_get_type(void); int twl_get_version(void); int twl_get_hfclk_rate(void); |