xref: /openbmc/linux/include/media/i2c/lm3560.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1*1802d0beSThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */
2b5dcee22SMauro Carvalho Chehab /*
3b5dcee22SMauro Carvalho Chehab  * include/media/i2c/lm3560.h
4b5dcee22SMauro Carvalho Chehab  *
5b5dcee22SMauro Carvalho Chehab  * Copyright (C) 2013 Texas Instruments
6b5dcee22SMauro Carvalho Chehab  *
7b5dcee22SMauro Carvalho Chehab  * Contact: Daniel Jeong <gshark.jeong@gmail.com>
8b5dcee22SMauro Carvalho Chehab  *			Ldd-Mlp <ldd-mlp@list.ti.com>
9b5dcee22SMauro Carvalho Chehab  */
10b5dcee22SMauro Carvalho Chehab 
11b5dcee22SMauro Carvalho Chehab #ifndef __LM3560_H__
12b5dcee22SMauro Carvalho Chehab #define __LM3560_H__
13b5dcee22SMauro Carvalho Chehab 
14b5dcee22SMauro Carvalho Chehab #include <media/v4l2-subdev.h>
15b5dcee22SMauro Carvalho Chehab 
16653d500cSPavel Machek #define LM3559_NAME	"lm3559"
17b5dcee22SMauro Carvalho Chehab #define LM3560_NAME	"lm3560"
18b5dcee22SMauro Carvalho Chehab #define LM3560_I2C_ADDR	(0x53)
19b5dcee22SMauro Carvalho Chehab 
20b5dcee22SMauro Carvalho Chehab /*  FLASH Brightness
21b5dcee22SMauro Carvalho Chehab  *	min 62500uA, step 62500uA, max 1000000uA
22b5dcee22SMauro Carvalho Chehab  */
23b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_MIN 62500
24b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_STEP 62500
25b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_MAX 1000000
26b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_uA_TO_REG(a)	\
27b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_FLASH_BRT_MIN ? 0 :	\
28b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_FLASH_BRT_MIN) / LM3560_FLASH_BRT_STEP))
29b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_BRT_REG_TO_uA(a)		\
30b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_FLASH_BRT_STEP + LM3560_FLASH_BRT_MIN)
31b5dcee22SMauro Carvalho Chehab 
32b5dcee22SMauro Carvalho Chehab /*  FLASH TIMEOUT DURATION
33b5dcee22SMauro Carvalho Chehab  *	min 32ms, step 32ms, max 1024ms
34b5dcee22SMauro Carvalho Chehab  */
35b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_MIN 32
36b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_STEP 32
37b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_MAX 1024
38b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_ms_TO_REG(a)	\
39b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_FLASH_TOUT_MIN ? 0 :	\
40b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_FLASH_TOUT_MIN) / LM3560_FLASH_TOUT_STEP))
41b5dcee22SMauro Carvalho Chehab #define LM3560_FLASH_TOUT_REG_TO_ms(a)		\
42b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_FLASH_TOUT_STEP + LM3560_FLASH_TOUT_MIN)
43b5dcee22SMauro Carvalho Chehab 
44b5dcee22SMauro Carvalho Chehab /*  TORCH BRT
45b5dcee22SMauro Carvalho Chehab  *	min 31250uA, step 31250uA, max 250000uA
46b5dcee22SMauro Carvalho Chehab  */
47b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_MIN 31250
48b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_STEP 31250
49b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_MAX 250000
50b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_uA_TO_REG(a)	\
51b5dcee22SMauro Carvalho Chehab 	((a) < LM3560_TORCH_BRT_MIN ? 0 :	\
52b5dcee22SMauro Carvalho Chehab 	 (((a) - LM3560_TORCH_BRT_MIN) / LM3560_TORCH_BRT_STEP))
53b5dcee22SMauro Carvalho Chehab #define LM3560_TORCH_BRT_REG_TO_uA(a)		\
54b5dcee22SMauro Carvalho Chehab 	((a) * LM3560_TORCH_BRT_STEP + LM3560_TORCH_BRT_MIN)
55b5dcee22SMauro Carvalho Chehab 
56b5dcee22SMauro Carvalho Chehab enum lm3560_led_id {
57b5dcee22SMauro Carvalho Chehab 	LM3560_LED0 = 0,
58b5dcee22SMauro Carvalho Chehab 	LM3560_LED1,
59b5dcee22SMauro Carvalho Chehab 	LM3560_LED_MAX
60b5dcee22SMauro Carvalho Chehab };
61b5dcee22SMauro Carvalho Chehab 
62b5dcee22SMauro Carvalho Chehab enum lm3560_peak_current {
63b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_1600mA = 0x00,
64b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_2300mA = 0x20,
65b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_3000mA = 0x40,
66b5dcee22SMauro Carvalho Chehab 	LM3560_PEAK_3600mA = 0x60
67b5dcee22SMauro Carvalho Chehab };
68b5dcee22SMauro Carvalho Chehab 
69b5dcee22SMauro Carvalho Chehab /* struct lm3560_platform_data
70b5dcee22SMauro Carvalho Chehab  *
71b5dcee22SMauro Carvalho Chehab  * @peak :  peak current
72b5dcee22SMauro Carvalho Chehab  * @max_flash_timeout: flash timeout
73b5dcee22SMauro Carvalho Chehab  * @max_flash_brt: flash mode led brightness
74b5dcee22SMauro Carvalho Chehab  * @max_torch_brt: torch mode led brightness
75b5dcee22SMauro Carvalho Chehab  */
76b5dcee22SMauro Carvalho Chehab struct lm3560_platform_data {
77b5dcee22SMauro Carvalho Chehab 	enum lm3560_peak_current peak;
78b5dcee22SMauro Carvalho Chehab 
79b5dcee22SMauro Carvalho Chehab 	u32 max_flash_timeout;
80b5dcee22SMauro Carvalho Chehab 	u32 max_flash_brt[LM3560_LED_MAX];
81b5dcee22SMauro Carvalho Chehab 	u32 max_torch_brt[LM3560_LED_MAX];
82b5dcee22SMauro Carvalho Chehab };
83b5dcee22SMauro Carvalho Chehab 
84b5dcee22SMauro Carvalho Chehab #endif /* __LM3560_H__ */
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