root/include/linux/mfd/lm3533.h

/*
 * lm3533.h -- LM3533 interface
 *
 * Copyright (C) 2011-2012 Texas Instruments
 *
 * Author: Johan Hovold <jhovold@gmail.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.
 */

#ifndef __LINUX_MFD_LM3533_H
#define __LINUX_MFD_LM3533_H

#define LM3533_ATTR_RO(_name) \
        DEVICE_ATTR(_name, S_IRUGO, show_##_name, NULL)
#define LM3533_ATTR_RW(_name) \
        DEVICE_ATTR(_name, S_IRUGO | S_IWUSR , show_##_name, store_##_name)

struct device;
struct regmap;

struct lm3533 {
        struct device *dev;

        struct regmap *regmap;

        int gpio_hwen;
        int irq;

        unsigned have_als:1;
        unsigned have_backlights:1;
        unsigned have_leds:1;
};

struct lm3533_ctrlbank {
        struct lm3533 *lm3533;
        struct device *dev;
        int id;
};

struct lm3533_als_platform_data {
        unsigned pwm_mode:1;            /* PWM input mode (default analog) */
        u8 r_select;                    /* 1 - 127 (ignored in PWM-mode) */
};

struct lm3533_bl_platform_data {
        char *name;
        u16 max_current;                /* 5000 - 29800 uA (800 uA step) */
        u8 default_brightness;          /* 0 - 255 */
        u8 pwm;                         /* 0 - 0x3f */
};

struct lm3533_led_platform_data {
        char *name;
        const char *default_trigger;
        u16 max_current;                /* 5000 - 29800 uA (800 uA step) */
        u8 pwm;                         /* 0 - 0x3f */
};

enum lm3533_boost_freq {
        LM3533_BOOST_FREQ_500KHZ,
        LM3533_BOOST_FREQ_1000KHZ,
};

enum lm3533_boost_ovp {
        LM3533_BOOST_OVP_16V,
        LM3533_BOOST_OVP_24V,
        LM3533_BOOST_OVP_32V,
        LM3533_BOOST_OVP_40V,
};

struct lm3533_platform_data {
        int gpio_hwen;

        enum lm3533_boost_ovp boost_ovp;
        enum lm3533_boost_freq boost_freq;

        struct lm3533_als_platform_data *als;

        struct lm3533_bl_platform_data *backlights;
        int num_backlights;

        struct lm3533_led_platform_data *leds;
        int num_leds;
};

extern int lm3533_ctrlbank_enable(struct lm3533_ctrlbank *cb);
extern int lm3533_ctrlbank_disable(struct lm3533_ctrlbank *cb);

extern int lm3533_ctrlbank_set_brightness(struct lm3533_ctrlbank *cb, u8 val);
extern int lm3533_ctrlbank_get_brightness(struct lm3533_ctrlbank *cb, u8 *val);
extern int lm3533_ctrlbank_set_max_current(struct lm3533_ctrlbank *cb,
                                                                u16 imax);
extern int lm3533_ctrlbank_set_pwm(struct lm3533_ctrlbank *cb, u8 val);
extern int lm3533_ctrlbank_get_pwm(struct lm3533_ctrlbank *cb, u8 *val);

extern int lm3533_read(struct lm3533 *lm3533, u8 reg, u8 *val);
extern int lm3533_write(struct lm3533 *lm3533, u8 reg, u8 val);
extern int lm3533_update(struct lm3533 *lm3533, u8 reg, u8 val, u8 mask);

#endif  /* __LINUX_MFD_LM3533_H */