Edit File: tps6105x.h
/* * Copyright (C) 2011 ST-Ericsson SA * Written on behalf of Linaro for ST-Ericsson * * Author: Linus Walleij <linus.walleij@linaro.org> * * License terms: GNU General Public License (GPL) version 2 */ #ifndef MFD_TPS6105X_H #define MFD_TPS6105X_H #include <linux/i2c.h> #include <linux/regulator/machine.h> /* * Register definitions to all subdrivers */ #define TPS6105X_REG_0 0x00 #define TPS6105X_REG0_MODE_SHIFT 6 #define TPS6105X_REG0_MODE_MASK (0x03<<6) /* These defines for both reg0 and reg1 */ #define TPS6105X_REG0_MODE_SHUTDOWN 0x00 #define TPS6105X_REG0_MODE_TORCH 0x01 #define TPS6105X_REG0_MODE_TORCH_FLASH 0x02 #define TPS6105X_REG0_MODE_VOLTAGE 0x03 #define TPS6105X_REG0_VOLTAGE_SHIFT 4 #define TPS6105X_REG0_VOLTAGE_MASK (3<<4) #define TPS6105X_REG0_VOLTAGE_450 0 #define TPS6105X_REG0_VOLTAGE_500 1 #define TPS6105X_REG0_VOLTAGE_525 2 #define TPS6105X_REG0_VOLTAGE_500_2 3 #define TPS6105X_REG0_DIMMING_SHIFT 3 #define TPS6105X_REG0_TORCHC_SHIFT 0 #define TPS6105X_REG0_TORCHC_MASK (7<<0) #define TPS6105X_REG0_TORCHC_0 0x00 #define TPS6105X_REG0_TORCHC_50 0x01 #define TPS6105X_REG0_TORCHC_75 0x02 #define TPS6105X_REG0_TORCHC_100 0x03 #define TPS6105X_REG0_TORCHC_150 0x04 #define TPS6105X_REG0_TORCHC_200 0x05 #define TPS6105X_REG0_TORCHC_250_400 0x06 #define TPS6105X_REG0_TORCHC_250_500 0x07 #define TPS6105X_REG_1 0x01 #define TPS6105X_REG1_MODE_SHIFT 6 #define TPS6105X_REG1_MODE_MASK (0x03<<6) #define TPS6105X_REG1_MODE_SHUTDOWN 0x00 #define TPS6105X_REG1_MODE_TORCH 0x01 #define TPS6105X_REG1_MODE_TORCH_FLASH 0x02 #define TPS6105X_REG1_MODE_VOLTAGE 0x03 #define TPS6105X_REG_2 0x02 #define TPS6105X_REG_3 0x03 /** * enum tps6105x_mode - desired mode for the TPS6105x * @TPS6105X_MODE_SHUTDOWN: this instance is inactive, not used for anything * @TPS61905X_MODE_TORCH: this instance is used as a LED, usually a while * LED, for example as backlight or flashlight. If this is set, the * TPS6105X will register to the LED framework * @TPS6105X_MODE_TORCH_FLASH: this instance is used as a flashgun, usually * in a camera * @TPS6105X_MODE_VOLTAGE: this instance is used as a voltage regulator and * will register to the regulator framework */ enum tps6105x_mode { TPS6105X_MODE_SHUTDOWN, TPS6105X_MODE_TORCH, TPS6105X_MODE_TORCH_FLASH, TPS6105X_MODE_VOLTAGE, }; /** * struct tps6105x_platform_data - TPS61905x platform data * @mode: what mode this instance shall be operated in, * this is not selectable at runtime * @regulator_data: initialization data for the voltage * regulator if used as a voltage source */ struct tps6105x_platform_data { enum tps6105x_mode mode; struct regulator_init_data *regulator_data; }; /** * struct tps6105x - state holder for the TPS6105x drivers * @mutex: mutex to serialize I2C accesses * @i2c_client: corresponding I2C client * @regulator: regulator device if used in voltage mode */ struct tps6105x { struct tps6105x_platform_data *pdata; struct mutex lock; struct i2c_client *client; struct regulator_dev *regulator; }; extern int tps6105x_set(struct tps6105x *tps6105x, u8 reg, u8 value); extern int tps6105x_get(struct tps6105x *tps6105x, u8 reg, u8 *buf); extern int tps6105x_mask_and_set(struct tps6105x *tps6105x, u8 reg, u8 bitmask, u8 bitvalues); #endif