| Daniel Jeong | 28e64a6 | 2013-11-12 15:08:58 -0800 | [diff] [blame] | 1 | /* |
| 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 | |
| 16 | enum 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 | |
| 26 | enum lm3630a_leda_ctrl { |
| 27 | LM3630A_LEDA_DISABLE = 0x00, |
| 28 | LM3630A_LEDA_ENABLE = 0x04, |
| 29 | LM3630A_LEDA_ENABLE_LINEAR = 0x14, |
| 30 | }; |
| 31 | |
| 32 | enum 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 | */ |
| 50 | struct 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 */ |