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/*
* Simple driver for Texas Instruments LM3630 LED Flash driver chip
* Copyright (C) 2012 Texas Instruments
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
*/
#ifndef __LINUX_LM3639_H
#define __LINUX_LM3639_H
#define LM3639_NAME "lm3639_bl"
enum lm3639_pwm {
LM3639_PWM_DISABLE = 0x00,
LM3639_PWM_EN_ACTLOW = 0x48,
LM3639_PWM_EN_ACTHIGH = 0x40,
};
enum lm3639_strobe {
LM3639_STROBE_DISABLE = 0x00,
LM3639_STROBE_EN_ACTLOW = 0x10,
LM3639_STROBE_EN_ACTHIGH = 0x30,
};
enum lm3639_txpin {
LM3639_TXPIN_DISABLE = 0x00,
LM3639_TXPIN_EN_ACTLOW = 0x04,
LM3639_TXPIN_EN_ACTHIGH = 0x0C,
};
enum lm3639_fleds {
LM3639_FLED_DIASBLE_ALL = 0x00,
LM3639_FLED_EN_1 = 0x40,
LM3639_FLED_EN_2 = 0x20,
LM3639_FLED_EN_ALL = 0x60,
};
enum lm3639_bleds {
LM3639_BLED_DIASBLE_ALL = 0x00,
LM3639_BLED_EN_1 = 0x10,
LM3639_BLED_EN_2 = 0x08,
LM3639_BLED_EN_ALL = 0x18,
};
enum lm3639_bled_mode {
LM3639_BLED_MODE_EXPONETIAL = 0x00,
LM3639_BLED_MODE_LINEAR = 0x10,
};
struct lm3639_platform_data {
unsigned int max_brt_led;
unsigned int init_brt_led;
/* input pins */
enum lm3639_pwm pin_pwm;
enum lm3639_strobe pin_strobe;
enum lm3639_txpin pin_tx;
/* output pins */
enum lm3639_fleds fled_pins;
enum lm3639_bleds bled_pins;
enum lm3639_bled_mode bled_mode;
void (*pwm_set_intensity) (int brightness, int max_brightness);
int (*pwm_get_intensity) (void);
};
#endif /* __LINUX_LM3639_H */