tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * include/media/i2c/lm3560.h
3 *
4 * Copyright (C) 2013 Texas Instruments
5 *
6 * Contact: Daniel Jeong <gshark.jeong@gmail.com>
7 * Ldd-Mlp <ldd-mlp@list.ti.com>
8 *
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.
12 *
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.
17 *
18 */
19
20#ifndef __LM3560_H__
21#define __LM3560_H__
22
23#include <media/v4l2-subdev.h>
24
25#define LM3560_NAME "lm3560"
26#define LM3560_I2C_ADDR (0x53)
27
28/* FLASH Brightness
29 * min 62500uA, step 62500uA, max 1000000uA
30 */
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)
39
40/* FLASH TIMEOUT DURATION
41 * min 32ms, step 32ms, max 1024ms
42 */
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)
51
52/* TORCH BRT
53 * min 31250uA, step 31250uA, max 250000uA
54 */
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)
63
64enum lm3560_led_id {
65 LM3560_LED0 = 0,
66 LM3560_LED1,
67 LM3560_LED_MAX
68};
69
70enum lm3560_peak_current {
71 LM3560_PEAK_1600mA = 0x00,
72 LM3560_PEAK_2300mA = 0x20,
73 LM3560_PEAK_3000mA = 0x40,
74 LM3560_PEAK_3600mA = 0x60
75};
76
77/* struct lm3560_platform_data
78 *
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
83 */
84struct lm3560_platform_data {
85 enum lm3560_peak_current peak;
86
87 u32 max_flash_timeout;
88 u32 max_flash_brt[LM3560_LED_MAX];
89 u32 max_torch_brt[LM3560_LED_MAX];
90};
91
92#endif /* __LM3560_H__ */