2 * include/media/i2c/lm3560.h
4 * Copyright (C) 2013 Texas Instruments
6 * Contact: Daniel Jeong <gshark.jeong@gmail.com>
7 * Ldd-Mlp <ldd-mlp@list.ti.com>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * version 2 as published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
23 #include <media/v4l2-subdev.h>
25 #define LM3560_NAME "lm3560"
26 #define LM3560_I2C_ADDR (0x53)
29 * min 62500uA, step 62500uA, max 1000000uA
31 #define LM3560_FLASH_BRT_MIN 62500
32 #define LM3560_FLASH_BRT_STEP 62500
33 #define LM3560_FLASH_BRT_MAX 1000000
34 #define LM3560_FLASH_BRT_uA_TO_REG(a) \
35 ((a) < LM3560_FLASH_BRT_MIN ? 0 : \
36 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
37 #define LM3560_FLASH_BRT_REG_TO_uA(a) \
38 ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
40 /* FLASH TIMEOUT DURATION
41 * min 32ms, step 32ms, max 1024ms
43 #define LM3560_FLASH_TOUT_MIN 32
44 #define LM3560_FLASH_TOUT_STEP 32
45 #define LM3560_FLASH_TOUT_MAX 1024
46 #define LM3560_FLASH_TOUT_ms_TO_REG(a) \
47 ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \
48 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
49 #define LM3560_FLASH_TOUT_REG_TO_ms(a) \
50 ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
53 * min 31250uA, step 31250uA, max 250000uA
55 #define LM3560_TORCH_BRT_MIN 31250
56 #define LM3560_TORCH_BRT_STEP 31250
57 #define LM3560_TORCH_BRT_MAX 250000
58 #define LM3560_TORCH_BRT_uA_TO_REG(a) \
59 ((a) < LM3560_TORCH_BRT_MIN ? 0 : \
60 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
61 #define LM3560_TORCH_BRT_REG_TO_uA(a) \
62 ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
70 enum lm3560_peak_current
{
71 LM3560_PEAK_1600mA
= 0x00,
72 LM3560_PEAK_2300mA
= 0x20,
73 LM3560_PEAK_3000mA
= 0x40,
74 LM3560_PEAK_3600mA
= 0x60
77 /* struct lm3560_platform_data
79 * @peak : peak current
80 * @max_flash_timeout: flash timeout
81 * @max_flash_brt: flash mode led brightness
82 * @max_torch_brt: torch mode led brightness
84 struct lm3560_platform_data
{
85 enum lm3560_peak_current peak
;
87 u32 max_flash_timeout
;
88 u32 max_flash_brt
[LM3560_LED_MAX
];
89 u32 max_torch_brt
[LM3560_LED_MAX
];
92 #endif /* __LM3560_H__ */