xref: /openbmc/linux/include/media/i2c/lm3560.h (revision 653d500ccaadd76ccade9f07469cdc66759315b6)
1b5dcee22SMauro Carvalho Chehab /*
2b5dcee22SMauro Carvalho Chehab  * include/media/i2c/lm3560.h
3b5dcee22SMauro Carvalho Chehab  *
4b5dcee22SMauro Carvalho Chehab  * Copyright (C) 2013 Texas Instruments
5b5dcee22SMauro Carvalho Chehab  *
6b5dcee22SMauro Carvalho Chehab  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
7b5dcee22SMauro Carvalho Chehab  *			Ldd-Mlp <ldd-mlp@list.ti.com>
8b5dcee22SMauro Carvalho Chehab  *
9b5dcee22SMauro Carvalho Chehab  * This program is free software; you can redistribute it and/or
10b5dcee22SMauro Carvalho Chehab  * modify it under the terms of the GNU General Public License
11b5dcee22SMauro Carvalho Chehab  * version 2 as published by the Free Software Foundation.
12b5dcee22SMauro Carvalho Chehab  *
13b5dcee22SMauro Carvalho Chehab  * This program is distributed in the hope that it will be useful, but
14b5dcee22SMauro Carvalho Chehab  * WITHOUT ANY WARRANTY; without even the implied warranty of
15b5dcee22SMauro Carvalho Chehab  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16b5dcee22SMauro Carvalho Chehab  * General Public License for more details.
17b5dcee22SMauro Carvalho Chehab  *
18b5dcee22SMauro Carvalho Chehab  */
19b5dcee22SMauro Carvalho Chehab 
20b5dcee22SMauro Carvalho Chehab #ifndef __LM3560_H__
21b5dcee22SMauro Carvalho Chehab #define __LM3560_H__
22b5dcee22SMauro Carvalho Chehab 
23b5dcee22SMauro Carvalho Chehab #include <media/v4l2-subdev.h>
24b5dcee22SMauro Carvalho Chehab 
25*653d500cSPavel Machek #define LM3559_NAME	"lm3559"
26b5dcee22SMauro Carvalho Chehab #define LM3560_NAME	"lm3560"
27b5dcee22SMauro Carvalho Chehab #define LM3560_I2C_ADDR	(0x53)
28b5dcee22SMauro Carvalho Chehab 
29b5dcee22SMauro Carvalho Chehab /*  FLASH Brightness
30b5dcee22SMauro Carvalho Chehab  *	min 62500uA, step 62500uA, max 1000000uA
31b5dcee22SMauro Carvalho Chehab  */
32b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_MIN 62500
33b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_STEP 62500
34b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_MAX 1000000
35b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_uA_TO_REG(a)	\
36b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_FLASH_BRT_MIN ? 0 :	\
37b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
38b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_REG_TO_uA(a)		\
39b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
40b5dcee22SMauro Carvalho Chehab 
41b5dcee22SMauro Carvalho Chehab /*  FLASH TIMEOUT DURATION
42b5dcee22SMauro Carvalho Chehab  *	min 32ms, step 32ms, max 1024ms
43b5dcee22SMauro Carvalho Chehab  */
44b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_MIN 32
45b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_STEP 32
46b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_MAX 1024
47b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_ms_TO_REG(a)	\
48b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_FLASH_TOUT_MIN ? 0 :	\
49b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
50b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_REG_TO_ms(a)		\
51b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
52b5dcee22SMauro Carvalho Chehab 
53b5dcee22SMauro Carvalho Chehab /*  TORCH BRT
54b5dcee22SMauro Carvalho Chehab  *	min 31250uA, step 31250uA, max 250000uA
55b5dcee22SMauro Carvalho Chehab  */
56b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_MIN 31250
57b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_STEP 31250
58b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_MAX 250000
59b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_uA_TO_REG(a)	\
60b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_TORCH_BRT_MIN ? 0 :	\
61b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
62b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_REG_TO_uA(a)		\
63b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
64b5dcee22SMauro Carvalho Chehab 
65b5dcee22SMauro Carvalho Chehab enum lm3560_led_id {
66b5dcee22SMauro Carvalho Chehab 	LM3560_LED0 = 0,
67b5dcee22SMauro Carvalho Chehab 	LM3560_LED1,
68b5dcee22SMauro Carvalho Chehab 	LM3560_LED_MAX
69b5dcee22SMauro Carvalho Chehab };
70b5dcee22SMauro Carvalho Chehab 
71b5dcee22SMauro Carvalho Chehab enum lm3560_peak_current {
72b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_1600mA = 0x00,
73b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_2300mA = 0x20,
74b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_3000mA = 0x40,
75b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_3600mA = 0x60
76b5dcee22SMauro Carvalho Chehab };
77b5dcee22SMauro Carvalho Chehab 
78b5dcee22SMauro Carvalho Chehab /* struct lm3560_platform_data
79b5dcee22SMauro Carvalho Chehab  *
80b5dcee22SMauro Carvalho Chehab  * @peak :  peak current
81b5dcee22SMauro Carvalho Chehab  * @max_flash_timeout: flash timeout
82b5dcee22SMauro Carvalho Chehab  * @max_flash_brt: flash mode led brightness
83b5dcee22SMauro Carvalho Chehab  * @max_torch_brt: torch mode led brightness
84b5dcee22SMauro Carvalho Chehab  */
85b5dcee22SMauro Carvalho Chehab struct lm3560_platform_data {
86b5dcee22SMauro Carvalho Chehab 	enum lm3560_peak_current peak;
87b5dcee22SMauro Carvalho Chehab 
88b5dcee22SMauro Carvalho Chehab 	u32 max_flash_timeout;
89b5dcee22SMauro Carvalho Chehab 	u32 max_flash_brt[LM3560_LED_MAX];
90b5dcee22SMauro Carvalho Chehab 	u32 max_torch_brt[LM3560_LED_MAX];
91b5dcee22SMauro Carvalho Chehab };
92b5dcee22SMauro Carvalho Chehab 
93b5dcee22SMauro Carvalho Chehab #endif /* __LM3560_H__ */
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