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
16enum lm3639_pwm {
17	LM3639_PWM_DISABLE = 0x00,
18	LM3639_PWM_EN_ACTLOW = 0x48,
19	LM3639_PWM_EN_ACTHIGH = 0x40,
20};
21
22enum lm3639_strobe {
23	LM3639_STROBE_DISABLE = 0x00,
24	LM3639_STROBE_EN_ACTLOW = 0x10,
25	LM3639_STROBE_EN_ACTHIGH = 0x30,
26};
27
28enum lm3639_txpin {
29	LM3639_TXPIN_DISABLE = 0x00,
30	LM3639_TXPIN_EN_ACTLOW = 0x04,
31	LM3639_TXPIN_EN_ACTHIGH = 0x0C,
32};
33
34enum 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
41enum 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};
47enum lm3639_bled_mode {
48	LM3639_BLED_MODE_EXPONETIAL = 0x00,
49	LM3639_BLED_MODE_LINEAR = 0x10,
50};
51
52struct 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 */
70