include/linux/platform_data/lm3630a_bl.h

   1 /*
   2 * Simple driver for Texas Instruments LM3630A LED Flash driver chip
   3 * Copyright (C) 2012 Texas Instruments
   4 *
   5 * This program is free software; you can redistribute it and/or modify
   6 * it under the terms of the GNU General Public License version 2 as
   7 * published by the Free Software Foundation.
   8 *
   9 */
  10
  11 #ifndef __LINUX_LM3630A_H
  12 #define __LINUX_LM3630A_H
  13
  14 #define LM3630A_NAME "lm3630a_bl"
  15
  16 enum lm3630a_pwm_ctrl {
  17         LM3630A_PWM_DISABLE = 0x00,
  18         LM3630A_PWM_BANK_A,
  19         LM3630A_PWM_BANK_B,
  20         LM3630A_PWM_BANK_ALL,
  21         LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
  22         LM3630A_PWM_BANK_B_ACT_LOW,
  23         LM3630A_PWM_BANK_ALL_ACT_LOW,
  24 };
  25
  26 enum lm3630a_leda_ctrl {
  27         LM3630A_LEDA_DISABLE = 0x00,
  28         LM3630A_LEDA_ENABLE = 0x04,
  29         LM3630A_LEDA_ENABLE_LINEAR = 0x14,
  30 };
  31
  32 enum lm3630a_ledb_ctrl {
  33         LM3630A_LEDB_DISABLE = 0x00,
  34         LM3630A_LEDB_ON_A = 0x01,
  35         LM3630A_LEDB_ENABLE = 0x02,
  36         LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
  37 };
  38
  39 #define LM3630A_MAX_BRIGHTNESS 255
  40 /*
  41  *@leda_init_brt : led a init brightness. 4~255
  42  *@leda_max_brt  : led a max brightness.  4~255
  43  *@leda_ctrl     : led a disable, enable linear, enable exponential
  44  *@ledb_init_brt : led b init brightness. 4~255
  45  *@ledb_max_brt  : led b max brightness.  4~255
  46  *@ledb_ctrl     : led b disable, enable linear, enable exponential
  47  *@pwm_period    : pwm period
  48  *@pwm_ctrl      : pwm disable, bank a or b, active high or low
  49  */
  50 struct lm3630a_platform_data {
  51
  52         /* led a config.  */
  53         int leda_init_brt;
  54         int leda_max_brt;
  55         enum lm3630a_leda_ctrl leda_ctrl;
  56         /* led b config. */
  57         int ledb_init_brt;
  58         int ledb_max_brt;
  59         enum lm3630a_ledb_ctrl ledb_ctrl;
  60         /* pwm config. */
  61         unsigned int pwm_period;
  62         enum lm3630a_pwm_ctrl pwm_ctrl;
  63 };
  64
  65 #endif /* __LINUX_LM3630A_H */