include/linux/platform_data/lm3639_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_LM3639_H
  12 #define __LINUX_LM3639_H
  13
  14 #define LM3639_NAME "lm3639_bl"
  15
  16 enum lm3639_pwm {
  17         LM3639_PWM_DISABLE = 0x00,
  18         LM3639_PWM_EN_ACTLOW = 0x48,
  19         LM3639_PWM_EN_ACTHIGH = 0x40,
  20 };
  21
  22 enum lm3639_strobe {
  23         LM3639_STROBE_DISABLE = 0x00,
  24         LM3639_STROBE_EN_ACTLOW = 0x10,
  25         LM3639_STROBE_EN_ACTHIGH = 0x30,
  26 };
  27
  28 enum lm3639_txpin {
  29         LM3639_TXPIN_DISABLE = 0x00,
  30         LM3639_TXPIN_EN_ACTLOW = 0x04,
  31         LM3639_TXPIN_EN_ACTHIGH = 0x0C,
  32 };
  33
  34 enum lm3639_fleds {
  35         LM3639_FLED_DIASBLE_ALL = 0x00,
  36         LM3639_FLED_EN_1 = 0x40,
  37         LM3639_FLED_EN_2 = 0x20,
  38         LM3639_FLED_EN_ALL = 0x60,
  39 };
  40
  41 enum lm3639_bleds {
  42         LM3639_BLED_DIASBLE_ALL = 0x00,
  43         LM3639_BLED_EN_1 = 0x10,
  44         LM3639_BLED_EN_2 = 0x08,
  45         LM3639_BLED_EN_ALL = 0x18,
  46 };
  47 enum lm3639_bled_mode {
  48         LM3639_BLED_MODE_EXPONETIAL = 0x00,
  49         LM3639_BLED_MODE_LINEAR = 0x10,
  50 };
  51
  52 struct lm3639_platform_data {
  53         unsigned int max_brt_led;
  54         unsigned int init_brt_led;
  55
  56         /* input pins */
  57         enum lm3639_pwm pin_pwm;
  58         enum lm3639_strobe pin_strobe;
  59         enum lm3639_txpin pin_tx;
  60
  61         /* output pins */
  62         enum lm3639_fleds fled_pins;
  63         enum lm3639_bleds bled_pins;
  64         enum lm3639_bled_mode bled_mode;
  65
  66         void (*pwm_set_intensity) (int brightness, int max_brightness);
  67         int (*pwm_get_intensity) (void);
  68 };
  69 #endif /* __LINUX_LM3639_H */