kernel_samsung_msm8974/include/linux/leds-max77803.h

/*
 * leds-max77803.h - Flash-led driver for Maxim MAX77803
 *
 * Copyright (C) 2011 Samsung Electronics
 * ByungChang Cha <bc.cha@samsung.com>
 *
 * 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 __LEDS_MAX77803_H__
#define __LEDS_MAX77803_H__

#define MAX77803_FLASH_IOUT		0x3F
#define MAX77803_TORCH_IOUT		0x0F

/* MAX77803_TORCH_TIMER */
#define MAX77803_TORCH_TMR_DUR		0x0F
#define MAX77803_DIS_TORCH_TMR		0x40
#define MAX77803_TORCH_TMR_MODE		0x80
#define MAX77803_TORCH_TMR_MODE_ONESHOT	0x00
#define MAX77803_TORCH_TMR_MDOE_MAXTIMER	0x01

/* MAX77803_FLASH_TIMER */
#define MAX77803_FLASH_TMR_DUR		0x0F
#define MAX77803_FLASH_TMR_MODE		0x80
/* MAX77803_FLASH_TMR_MODE value */
#define MAX77803_FLASH_TMR_MODE_ONESHOT	0x00
#define MAX77803_FLASH_TMR_MDOE_MAXTIMER	0x01

/* MAX77803_FLASH_EN */
#define MAX77803_TORCH_FLED1_EN		0x0C
#define MAX77803_FLASH_FLED1_EN		0xC0
/* MAX77803_TORCH_FLEDx_EN value */
#define MAX77803_TORCH_OFF		0x00
#define MAX77803_TORCH_BY_FLASHEN	0x01
#define MAX77803_TORCH_BY_TORCHEN	0x02
#define MAX77803_TORCH_BY_I2C		0X03
/* MAX77803_FLASH_FLEDx_EN value */
#define MAX77803_FLASH_OFF		0x00
#define MAX77803_FLASH_BY_FLASHEN	0x01
#define MAX77803_FLASH_BY_TORCHEN	0x02
#define MAX77803_FLASH_BY_I2C		0x03

/* MAX77803_VOUT_CNTL */
#define MAX77803_BOOST_FLASH_MODE	0x07
#define MAX77803_BOOST_FLASH_FLEDNUM	0x80
/* MAX77803_BOOST_FLASH_MODE vaule*/
#define MAX77803_BOOST_FLASH_MODE_OFF	0x00
#define MAX77803_BOOST_FLASH_MODE_FLED1	0x01
#define MAX77803_BOOST_FLASH_MODE_FLED2	0x02
#define MAX77803_BOOST_FLASH_MODE_BOTH	0x03
#define MAX77803_BOOST_FLASH_MODE_FIXED	0x04
/* MAX77803_BOOST_FLASH_FLEDNUM vaule*/
#define MAX77803_BOOST_FLASH_FLEDNUM_1	0x00
#define MAX77803_BOOST_FLASH_FLEDNUM_2	0x80

/* MAX77803_VOUT_FLASH1 */
#define MAX77803_BOOST_VOUT_FLASH	0x7F
#define MAX77803_BOOST_VOUT_FLASH_FROM_VOLT(mV)				\
		((mV) <= 3300 ? 0x00 :					\
		((mV) <= 5500 ? (((mV) - 3300) / 25 + 0x0C) : 0x7F))

#define MAX_FLASH_CURRENT	1000	/* 1000mA(0x1f) */
#define MAX_TORCH_CURRENT	250	/* 250mA(0x0f) */
#define MAX_FLASH_DRV_LEVEL	63	/* 15.625 + 15.625*63 mA */
#define MAX_TORCH_DRV_LEVEL	15	/* 15.625 + 15.625*15 mA */

enum max77803_led_id {
	MAX77803_FLASH_LED_1,
	MAX77803_TORCH_LED_1,
	MAX77803_LED_MAX,
};

enum max77803_led_time {
	MAX77803_FLASH_TIME_62P5MS,
	MAX77803_FLASH_TIME_125MS,
	MAX77803_FLASH_TIME_187P5MS,
	MAX77803_FLASH_TIME_250MS,
	MAX77803_FLASH_TIME_312P5MS,
	MAX77803_FLASH_TIME_375MS,
	MAX77803_FLASH_TIME_437P5MS,
	MAX77803_FLASH_TIME_500MS,
	MAX77803_FLASH_TIME_562P5MS,
	MAX77803_FLASH_TIME_625MS,
	MAX77803_FLASH_TIME_687P5MS,
	MAX77803_FLASH_TIME_750MS,
	MAX77803_FLASH_TIME_812P5MS,
	MAX77803_FLASH_TIME_875MS,
	MAX77803_FLASH_TIME_937P5MS,
	MAX77803_FLASH_TIME_1000MS,
	MAX77803_FLASH_TIME_MAX,
};

enum max77803_torch_time {
	MAX77803_TORCH_TIME_262MS,
	MAX77803_TORCH_TIME_524MS,
	MAX77803_TORCH_TIME_786MS,
	MAX77803_TORCH_TIME_1048MS,
	MAX77803_TORCH_TIME_1572MS,
	MAX77803_TORCH_TIME_2096MS,
	MAX77803_TORCH_TIME_2620MS,
	MAX77803_TORCH_TIME_3114MS,
	MAX77803_TORCH_TIME_4193MS,
	MAX77803_TORCH_TIME_5242MS,
	MAX77803_TORCH_TIME_6291MS,
	MAX77803_TORCH_TIME_7340MS,
	MAX77803_TORCH_TIME_9437MS,
	MAX77803_TORCH_TIME_11534MS,
	MAX77803_TORCH_TIME_13631MS,
	MAX77803_TORCH_TIME_15728MS,
	MAX77803_TORCH_TIME_MAX,
};

enum max77803_timer_mode {
	MAX77803_TIMER_MODE_ONE_SHOT,
	MAX77803_TIMER_MODE_MAX_TIMER,
};

enum max77803_led_cntrl_mode {
	MAX77803_LED_CTRL_BY_FLASHSTB,
	MAX77803_LED_CTRL_BY_I2C,
};

struct max77803_led {
	const char			*name;
	const char			*default_trigger;
	int				id;
	int				timer;
	int				brightness;
	enum max77803_timer_mode	timer_mode;
	enum max77803_led_cntrl_mode	cntrl_mode;
};

struct max77803_led_platform_data {
	int num_leds;
	struct max77803_led leds[MAX77803_LED_MAX];
};

extern int max77803_led_en(int onoff, int mode);

#endif