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Daniel Jeong28e64a62013-11-12 15:08:58 -08001/*
2* Simple driver for Texas Instruments LM3630A 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_LM3630A_H
12#define __LINUX_LM3630A_H
13
14#define LM3630A_NAME "lm3630a_bl"
15
16enum lm3630a_pwm_ctrl {
17 LM3630A_PWM_DISABLE = 0x00,
18 LM3630A_PWM_BANK_A,
19 LM3630A_PWM_BANK_B,
20 LM3630A_PWM_BANK_ALL,
21 LM3630A_PWM_BANK_A_ACT_LOW = 0x05,
22 LM3630A_PWM_BANK_B_ACT_LOW,
23 LM3630A_PWM_BANK_ALL_ACT_LOW,
24};
25
26enum lm3630a_leda_ctrl {
27 LM3630A_LEDA_DISABLE = 0x00,
28 LM3630A_LEDA_ENABLE = 0x04,
29 LM3630A_LEDA_ENABLE_LINEAR = 0x14,
30};
31
32enum lm3630a_ledb_ctrl {
33 LM3630A_LEDB_DISABLE = 0x00,
34 LM3630A_LEDB_ON_A = 0x01,
35 LM3630A_LEDB_ENABLE = 0x02,
36 LM3630A_LEDB_ENABLE_LINEAR = 0x0A,
37};
38
39#define LM3630A_MAX_BRIGHTNESS 255
40/*
41 *@leda_init_brt : led a init brightness. 4~255
42 *@leda_max_brt : led a max brightness. 4~255
43 *@leda_ctrl : led a disable, enable linear, enable exponential
44 *@ledb_init_brt : led b init brightness. 4~255
45 *@ledb_max_brt : led b max brightness. 4~255
46 *@ledb_ctrl : led b disable, enable linear, enable exponential
47 *@pwm_period : pwm period
48 *@pwm_ctrl : pwm disable, bank a or b, active high or low
49 */
50struct lm3630a_platform_data {
51
52 /* led a config. */
53 int leda_init_brt;
54 int leda_max_brt;
55 enum lm3630a_leda_ctrl leda_ctrl;
56 /* led b config. */
57 int ledb_init_brt;
58 int ledb_max_brt;
59 enum lm3630a_ledb_ctrl ledb_ctrl;
60 /* pwm config. */
61 unsigned int pwm_period;
62 enum lm3630a_pwm_ctrl pwm_ctrl;
63};
64
65#endif /* __LINUX_LM3630A_H */