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 | |