linux/platform_data/lm3639_bl.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003 * Simple driver for Texas Instruments LM3630 LED Flash driver chip
0004 * Copyright (C) 2012 Texas Instruments
0005 */
0006
0007 #ifndef __LINUX_LM3639_H
0008 #define __LINUX_LM3639_H
0009
0010 #define LM3639_NAME "lm3639_bl"
0011
0012 enum lm3639_pwm {
0013     LM3639_PWM_DISABLE = 0x00,
0014     LM3639_PWM_EN_ACTLOW = 0x48,
0015     LM3639_PWM_EN_ACTHIGH = 0x40,
0016 };
0017
0018 enum lm3639_strobe {
0019     LM3639_STROBE_DISABLE = 0x00,
0020     LM3639_STROBE_EN_ACTLOW = 0x10,
0021     LM3639_STROBE_EN_ACTHIGH = 0x30,
0022 };
0023
0024 enum lm3639_txpin {
0025     LM3639_TXPIN_DISABLE = 0x00,
0026     LM3639_TXPIN_EN_ACTLOW = 0x04,
0027     LM3639_TXPIN_EN_ACTHIGH = 0x0C,
0028 };
0029
0030 enum lm3639_fleds {
0031     LM3639_FLED_DIASBLE_ALL = 0x00,
0032     LM3639_FLED_EN_1 = 0x40,
0033     LM3639_FLED_EN_2 = 0x20,
0034     LM3639_FLED_EN_ALL = 0x60,
0035 };
0036
0037 enum lm3639_bleds {
0038     LM3639_BLED_DIASBLE_ALL = 0x00,
0039     LM3639_BLED_EN_1 = 0x10,
0040     LM3639_BLED_EN_2 = 0x08,
0041     LM3639_BLED_EN_ALL = 0x18,
0042 };
0043 enum lm3639_bled_mode {
0044     LM3639_BLED_MODE_EXPONETIAL = 0x00,
0045     LM3639_BLED_MODE_LINEAR = 0x10,
0046 };
0047
0048 struct lm3639_platform_data {
0049     unsigned int max_brt_led;
0050     unsigned int init_brt_led;
0051
0052     /* input pins */
0053     enum lm3639_pwm pin_pwm;
0054     enum lm3639_strobe pin_strobe;
0055     enum lm3639_txpin pin_tx;
0056
0057     /* output pins */
0058     enum lm3639_fleds fled_pins;
0059     enum lm3639_bleds bled_pins;
0060     enum lm3639_bled_mode bled_mode;
0061
0062     void (*pwm_set_intensity) (int brightness, int max_brightness);
0063     int (*pwm_get_intensity) (void);
0064 };
0065 #endif /* __LINUX_LM3639_H */