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/*
* Simple driver for Texas Instruments LM3630A 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_LM3630A_H
#define __LINUX_LM3630A_H
#define LM3630A_NAME "lm3630a_bl"
enum lm3630a_pwm_ctrl {
LM3630A_PWM_DISABLE = 0x00,
LM3630A_PWM_BANK_A,
LM3630A_PWM_BANK_B,
LM3630A_PWM_BANK_ALL,
LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
LM3630A_PWM_BANK_B_ACT_LOW,
LM3630A_PWM_BANK_ALL_ACT_LOW,
};
enum lm3630a_leda_ctrl {
LM3630A_LEDA_DISABLE = 0x00,
LM3630A_LEDA_ENABLE = 0x04,
LM3630A_LEDA_ENABLE_LINEAR = 0x14,
};
enum lm3630a_ledb_ctrl {
LM3630A_LEDB_DISABLE = 0x00,
LM3630A_LEDB_ON_A = 0x01,
LM3630A_LEDB_ENABLE = 0x02,
LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
};
#define LM3630A_MAX_BRIGHTNESS 255
/*
*@leda_init_brt : led a init brightness. 4~255
*@leda_max_brt : led a max brightness. 4~255
*@leda_ctrl : led a disable, enable linear, enable exponential
*@ledb_init_brt : led b init brightness. 4~255
*@ledb_max_brt : led b max brightness. 4~255
*@ledb_ctrl : led b disable, enable linear, enable exponential
*@pwm_period : pwm period
*@pwm_ctrl : pwm disable, bank a or b, active high or low
*/
struct lm3630a_platform_data {
/* led a config. */
int leda_init_brt;
int leda_max_brt;
enum lm3630a_leda_ctrl leda_ctrl;
/* led b config. */
int ledb_init_brt;
int ledb_max_brt;
enum lm3630a_ledb_ctrl ledb_ctrl;
/* pwm config. */
unsigned int pwm_period;
enum lm3630a_pwm_ctrl pwm_ctrl;
};
#endif /* __LINUX_LM3630A_H */