Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/media/i2c/adp1653.h
26283 views
1
/* SPDX-License-Identifier: GPL-2.0-only */

2
/*

3
 * include/media/i2c/adp1653.h

4
 *

5
 * Copyright (C) 2008--2011 Nokia Corporation

6
 *

7
 * Contact: Sakari Ailus <[email protected]>

8
 *

9
 * Contributors:

10
 *	Sakari Ailus <[email protected]>

11
 *	Tuukka Toivonen <[email protected]>

12
 */

13


14
#ifndef ADP1653_H

15
#define ADP1653_H

16


17
#include <linux/i2c.h>

18
#include <linux/mutex.h>

19
#include <linux/videodev2.h>

20
#include <media/v4l2-ctrls.h>

21
#include <media/v4l2-subdev.h>

22


23
#define ADP1653_NAME				"adp1653"

24
#define ADP1653_I2C_ADDR			(0x60 >> 1)

25


26
/* Register definitions */

27
#define ADP1653_REG_OUT_SEL			0x00

28
#define ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN	0x01

29
#define ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX	0x0b

30
#define ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN	0x0c

31
#define ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX	0x1f

32
#define ADP1653_REG_OUT_SEL_HPLED_SHIFT		3

33
#define ADP1653_REG_OUT_SEL_ILED_MAX		0x07

34
#define ADP1653_REG_OUT_SEL_ILED_SHIFT		0

35


36
#define ADP1653_REG_CONFIG			0x01

37
#define ADP1653_REG_CONFIG_TMR_CFG		(1 << 4)

38
#define ADP1653_REG_CONFIG_TMR_SET_MAX		0x0f

39
#define ADP1653_REG_CONFIG_TMR_SET_SHIFT	0

40


41
#define ADP1653_REG_SW_STROBE			0x02

42
#define ADP1653_REG_SW_STROBE_SW_STROBE		(1 << 0)

43


44
#define ADP1653_REG_FAULT			0x03

45
#define ADP1653_REG_FAULT_FLT_SCP		(1 << 3)

46
#define ADP1653_REG_FAULT_FLT_OT		(1 << 2)

47
#define ADP1653_REG_FAULT_FLT_TMR		(1 << 1)

48
#define ADP1653_REG_FAULT_FLT_OV		(1 << 0)

49


50
#define ADP1653_INDICATOR_INTENSITY_MIN		0

51
#define ADP1653_INDICATOR_INTENSITY_STEP	2500

52
#define ADP1653_INDICATOR_INTENSITY_MAX		\

53
	(ADP1653_REG_OUT_SEL_ILED_MAX * ADP1653_INDICATOR_INTENSITY_STEP)

54
#define ADP1653_INDICATOR_INTENSITY_uA_TO_REG(a) \

55
	((a) / ADP1653_INDICATOR_INTENSITY_STEP)

56
#define ADP1653_INDICATOR_INTENSITY_REG_TO_uA(a) \

57
	((a) * ADP1653_INDICATOR_INTENSITY_STEP)

58


59
#define ADP1653_FLASH_INTENSITY_BASE		35

60
#define ADP1653_FLASH_INTENSITY_STEP		15

61
#define ADP1653_FLASH_INTENSITY_MIN					\

62
	(ADP1653_FLASH_INTENSITY_BASE					\

63
	 + ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN * ADP1653_FLASH_INTENSITY_STEP)

64
#define ADP1653_FLASH_INTENSITY_MAX			\

65
	(ADP1653_FLASH_INTENSITY_MIN +			\

66
	 (ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX -		\

67
	  ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN + 1) *	\

68
	 ADP1653_FLASH_INTENSITY_STEP)

69


70
#define ADP1653_FLASH_INTENSITY_mA_TO_REG(a)				\

71
	((a) < ADP1653_FLASH_INTENSITY_BASE ? 0 :			\

72
	 (((a) - ADP1653_FLASH_INTENSITY_BASE) / ADP1653_FLASH_INTENSITY_STEP))

73
#define ADP1653_FLASH_INTENSITY_REG_TO_mA(a)		\

74
	((a) * ADP1653_FLASH_INTENSITY_STEP + ADP1653_FLASH_INTENSITY_BASE)

75


76
#define ADP1653_TORCH_INTENSITY_MIN					\

77
	(ADP1653_FLASH_INTENSITY_BASE					\

78
	 + ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN * ADP1653_FLASH_INTENSITY_STEP)

79
#define ADP1653_TORCH_INTENSITY_MAX			\

80
	(ADP1653_TORCH_INTENSITY_MIN +			\

81
	 (ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX -		\

82
	  ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN + 1) *	\

83
	 ADP1653_FLASH_INTENSITY_STEP)

84


85
struct adp1653_platform_data {

86
	int (*power)(struct v4l2_subdev *sd, int on);

87


88
	u32 max_flash_timeout;		/* flash light timeout in us */

89
	u32 max_flash_intensity;	/* led intensity, flash mode, mA */

90
	u32 max_torch_intensity;	/* led intensity, torch mode, mA */

91
	u32 max_indicator_intensity;	/* indicator led intensity, uA */

92


93
	struct gpio_desc *enable_gpio;	/* for device-tree based boot */

94
};

95


96
#define to_adp1653_flash(sd)	container_of(sd, struct adp1653_flash, subdev)

97


98
struct adp1653_flash {

99
	struct v4l2_subdev subdev;

100
	struct adp1653_platform_data *platform_data;

101


102
	struct v4l2_ctrl_handler ctrls;

103
	struct v4l2_ctrl *led_mode;

104
	struct v4l2_ctrl *flash_timeout;

105
	struct v4l2_ctrl *flash_intensity;

106
	struct v4l2_ctrl *torch_intensity;

107
	struct v4l2_ctrl *indicator_intensity;

108


109
	struct mutex power_lock;

110
	int power_count;

111
	int fault;

112
};

113


114
#endif /* ADP1653_H */

115


116