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.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
28 #include <media/v4l2-subdev.h>
30 #define LM3560_NAME "lm3560"
31 #define LM3560_I2C_ADDR (0x53)
34 * min 62500uA, step 62500uA, max 1000000uA
36 #define LM3560_FLASH_BRT_MIN 62500
37 #define LM3560_FLASH_BRT_STEP 62500
38 #define LM3560_FLASH_BRT_MAX 1000000
39 #define LM3560_FLASH_BRT_uA_TO_REG(a) \
40 ((a) < LM3560_FLASH_BRT_MIN ? 0 : \
41 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
42 #define LM3560_FLASH_BRT_REG_TO_uA(a) \
43 ((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
45 /* FLASH TIMEOUT DURATION
46 * min 32ms, step 32ms, max 1024ms
48 #define LM3560_FLASH_TOUT_MIN 32
49 #define LM3560_FLASH_TOUT_STEP 32
50 #define LM3560_FLASH_TOUT_MAX 1024
51 #define LM3560_FLASH_TOUT_ms_TO_REG(a) \
52 ((a) < LM3560_FLASH_TOUT_MIN ? 0 : \
53 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
54 #define LM3560_FLASH_TOUT_REG_TO_ms(a) \
55 ((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
58 * min 31250uA, step 31250uA, max 250000uA
60 #define LM3560_TORCH_BRT_MIN 31250
61 #define LM3560_TORCH_BRT_STEP 31250
62 #define LM3560_TORCH_BRT_MAX 250000
63 #define LM3560_TORCH_BRT_uA_TO_REG(a) \
64 ((a) < LM3560_TORCH_BRT_MIN ? 0 : \
65 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
66 #define LM3560_TORCH_BRT_REG_TO_uA(a) \
67 ((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
75 enum lm3560_peak_current {
76 LM3560_PEAK_1600mA = 0x00,
77 LM3560_PEAK_2300mA = 0x20,
78 LM3560_PEAK_3000mA = 0x40,
79 LM3560_PEAK_3600mA = 0x60
82 /* struct lm3560_platform_data
84 * @peak : peak current
85 * @max_flash_timeout: flash timeout
86 * @max_flash_brt: flash mode led brightness
87 * @max_torch_brt: torch mode led brightness
89 struct lm3560_platform_data {
90 enum lm3560_peak_current peak;
92 u32 max_flash_timeout;
93 u32 max_flash_brt[LM3560_LED_MAX];
94 u32 max_torch_brt[LM3560_LED_MAX];
97 #endif /* __LM3560_H__ */