include/linux/platform_data/lm3639_bl.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3 * Simple driver for Texas Instruments LM3630 LED Flash driver chip
   4 * Copyright (C) 2012 Texas Instruments
   5 */
   6
   7 #ifndef __LINUX_LM3639_H
   8 #define __LINUX_LM3639_H
   9
  10 #define LM3639_NAME "lm3639_bl"
  11
  12 enum lm3639_pwm {
  13         LM3639_PWM_DISABLE = 0x00,
  14         LM3639_PWM_EN_ACTLOW = 0x48,
  15         LM3639_PWM_EN_ACTHIGH = 0x40,
  16 };
  17
  18 enum lm3639_strobe {
  19         LM3639_STROBE_DISABLE = 0x00,
  20         LM3639_STROBE_EN_ACTLOW = 0x10,
  21         LM3639_STROBE_EN_ACTHIGH = 0x30,
  22 };
  23
  24 enum lm3639_txpin {
  25         LM3639_TXPIN_DISABLE = 0x00,
  26         LM3639_TXPIN_EN_ACTLOW = 0x04,
  27         LM3639_TXPIN_EN_ACTHIGH = 0x0C,
  28 };
  29
  30 enum lm3639_fleds {
  31         LM3639_FLED_DIASBLE_ALL = 0x00,
  32         LM3639_FLED_EN_1 = 0x40,
  33         LM3639_FLED_EN_2 = 0x20,
  34         LM3639_FLED_EN_ALL = 0x60,
  35 };
  36
  37 enum lm3639_bleds {
  38         LM3639_BLED_DIASBLE_ALL = 0x00,
  39         LM3639_BLED_EN_1 = 0x10,
  40         LM3639_BLED_EN_2 = 0x08,
  41         LM3639_BLED_EN_ALL = 0x18,
  42 };
  43 enum lm3639_bled_mode {
  44         LM3639_BLED_MODE_EXPONETIAL = 0x00,
  45         LM3639_BLED_MODE_LINEAR = 0x10,
  46 };
  47
  48 struct lm3639_platform_data {
  49         unsigned int max_brt_led;
  50         unsigned int init_brt_led;
  51
  52         /* input pins */
  53         enum lm3639_pwm pin_pwm;
  54         enum lm3639_strobe pin_strobe;
  55         enum lm3639_txpin pin_tx;
  56
  57         /* output pins */
  58         enum lm3639_fleds fled_pins;
  59         enum lm3639_bleds bled_pins;
  60         enum lm3639_bled_mode bled_mode;
  61
  62         void (*pwm_set_intensity) (int brightness, int max_brightness);
  63         int (*pwm_get_intensity) (void);
  64 };
  65 #endif /* __LINUX_LM3639_H */