include/linux/platform_data/lm3630_bl.h

   1 /*
   2 * Simple driver for Texas Instruments LM3630 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_LM3630_H
  12 #define __LINUX_LM3630_H
  13
  14 #define LM3630_NAME "lm3630_bl"
  15
  16 enum lm3630_pwm_ctrl {
  17         PWM_CTRL_DISABLE = 0,
  18         PWM_CTRL_BANK_A,
  19         PWM_CTRL_BANK_B,
  20         PWM_CTRL_BANK_ALL,
  21 };
  22
  23 enum lm3630_pwm_active {
  24         PWM_ACTIVE_HIGH = 0,
  25         PWM_ACTIVE_LOW,
  26 };
  27
  28 enum lm3630_bank_a_ctrl {
  29         BANK_A_CTRL_DISABLE = 0x0,
  30         BANK_A_CTRL_LED1 = 0x4,
  31         BANK_A_CTRL_LED2 = 0x1,
  32         BANK_A_CTRL_ALL = 0x5,
  33 };
  34
  35 enum lm3630_bank_b_ctrl {
  36         BANK_B_CTRL_DISABLE = 0,
  37         BANK_B_CTRL_LED2,
  38 };
  39
  40 struct lm3630_platform_data {
  41
  42         /* maximum brightness */
  43         int max_brt_led1;
  44         int max_brt_led2;
  45
  46         /* initial on brightness */
  47         int init_brt_led1;
  48         int init_brt_led2;
  49         enum lm3630_pwm_ctrl pwm_ctrl;
  50         enum lm3630_pwm_active pwm_active;
  51         enum lm3630_bank_a_ctrl bank_a_ctrl;
  52         enum lm3630_bank_b_ctrl bank_b_ctrl;
  53         unsigned int pwm_period;
  54         void (*pwm_set_intensity) (int brightness, int max_brightness);
  55 };
  56
  57 #endif /* __LINUX_LM3630_H */