tps6105x.h

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/*
 * Copyright (C) 2011 ST-Ericsson SA
 * Written on behalf of Linaro for ST-Ericsson
 *
 * Author: Linus Walleij <[email protected]>
 *
 * 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 {
    TPS6105X_MODE_SHUTDOWN,
    TPS6105X_MODE_TORCH,
    TPS6105X_MODE_TORCH_FLASH,
    TPS6105X_MODE_VOLTAGE,
};

struct tps6105x_platform_data {
    enum tps6105x_mode mode;
    struct regulator_init_data *regulator_data;
};

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