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 */ 66