Eric Lee / smarc-fsl-linux-kernel

Blame view

include/media/adp1653.h 4.17 KB
edit raw normal view history
13abadad1   Sakari Ailus   [media] adp1653: ... 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
 
  /*
   * include/media/adp1653.h
   *
   * Copyright (C) 2008--2011 Nokia Corporation
   *
   * Contact: Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
   *
   * Contributors:
   *	Sakari Ailus <sakari.ailus@maxwell.research.nokia.com>
   *	Tuukka Toivonen <tuukkat76@gmail.com>
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * version 2 as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
   * 02110-1301 USA
   *
   */
  
  #ifndef ADP1653_H
  #define ADP1653_H
  
  #include <linux/i2c.h>
  #include <linux/mutex.h>
  #include <linux/videodev2.h>
  #include <media/v4l2-ctrls.h>
  #include <media/v4l2-subdev.h>
  
  #define ADP1653_NAME				"adp1653"
  #define ADP1653_I2C_ADDR			(0x60 >> 1)
  
  /* Register definitions */
  #define ADP1653_REG_OUT_SEL			0x00
  #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN	0x01
  #define ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX	0x0b
  #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN	0x0c
  #define ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX	0x1f
  #define ADP1653_REG_OUT_SEL_HPLED_SHIFT		3
  #define ADP1653_REG_OUT_SEL_ILED_MAX		0x07
  #define ADP1653_REG_OUT_SEL_ILED_SHIFT		0
  
  #define ADP1653_REG_CONFIG			0x01
  #define ADP1653_REG_CONFIG_TMR_CFG		(1 << 4)
  #define ADP1653_REG_CONFIG_TMR_SET_MAX		0x0f
  #define ADP1653_REG_CONFIG_TMR_SET_SHIFT	0
  
  #define ADP1653_REG_SW_STROBE			0x02
  #define ADP1653_REG_SW_STROBE_SW_STROBE		(1 << 0)
  
  #define ADP1653_REG_FAULT			0x03
  #define ADP1653_REG_FAULT_FLT_SCP		(1 << 3)
  #define ADP1653_REG_FAULT_FLT_OT		(1 << 2)
  #define ADP1653_REG_FAULT_FLT_TMR		(1 << 1)
  #define ADP1653_REG_FAULT_FLT_OV		(1 << 0)
  
  #define ADP1653_INDICATOR_INTENSITY_MIN		0
  #define ADP1653_INDICATOR_INTENSITY_STEP	2500
  #define ADP1653_INDICATOR_INTENSITY_MAX		\
  	(ADP1653_REG_OUT_SEL_ILED_MAX * ADP1653_INDICATOR_INTENSITY_STEP)
  #define ADP1653_INDICATOR_INTENSITY_uA_TO_REG(a) \
  	((a) / ADP1653_INDICATOR_INTENSITY_STEP)
  #define ADP1653_INDICATOR_INTENSITY_REG_TO_uA(a) \
  	((a) * ADP1653_INDICATOR_INTENSITY_STEP)
  
  #define ADP1653_FLASH_INTENSITY_BASE		35
  #define ADP1653_FLASH_INTENSITY_STEP		15
  #define ADP1653_FLASH_INTENSITY_MIN					\
  	(ADP1653_FLASH_INTENSITY_BASE					\
  	 + ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN * ADP1653_FLASH_INTENSITY_STEP)
  #define ADP1653_FLASH_INTENSITY_MAX			\
  	(ADP1653_FLASH_INTENSITY_MIN +			\
  	 (ADP1653_REG_OUT_SEL_HPLED_FLASH_MAX -		\
  	  ADP1653_REG_OUT_SEL_HPLED_FLASH_MIN + 1) *	\
  	 ADP1653_FLASH_INTENSITY_STEP)
  
  #define ADP1653_FLASH_INTENSITY_mA_TO_REG(a)				\
  	((a) < ADP1653_FLASH_INTENSITY_BASE ? 0 :			\
  	 (((a) - ADP1653_FLASH_INTENSITY_BASE) / ADP1653_FLASH_INTENSITY_STEP))
  #define ADP1653_FLASH_INTENSITY_REG_TO_mA(a)		\
  	((a) * ADP1653_FLASH_INTENSITY_STEP + ADP1653_FLASH_INTENSITY_BASE)
  
  #define ADP1653_TORCH_INTENSITY_MIN					\
  	(ADP1653_FLASH_INTENSITY_BASE					\
  	 + ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN * ADP1653_FLASH_INTENSITY_STEP)
  #define ADP1653_TORCH_INTENSITY_MAX			\
  	(ADP1653_TORCH_INTENSITY_MIN +			\
  	 (ADP1653_REG_OUT_SEL_HPLED_TORCH_MAX -		\
  	  ADP1653_REG_OUT_SEL_HPLED_TORCH_MIN + 1) *	\
  	 ADP1653_FLASH_INTENSITY_STEP)
  
  struct adp1653_platform_data {
  	int (*power)(struct v4l2_subdev *sd, int on);
  
  	u32 max_flash_timeout;		/* flash light timeout in us */
  	u32 max_flash_intensity;	/* led intensity, flash mode */
  	u32 max_torch_intensity;	/* led intensity, torch mode */
  	u32 max_indicator_intensity;	/* indicator led intensity */
  };
  
  #define to_adp1653_flash(sd)	container_of(sd, struct adp1653_flash, subdev)
  
  struct adp1653_flash {
  	struct v4l2_subdev subdev;
  	struct adp1653_platform_data *platform_data;
  
  	struct v4l2_ctrl_handler ctrls;
  	struct v4l2_ctrl *led_mode;
  	struct v4l2_ctrl *flash_timeout;
  	struct v4l2_ctrl *flash_intensity;
  	struct v4l2_ctrl *torch_intensity;
  	struct v4l2_ctrl *indicator_intensity;
  
  	struct mutex power_lock;
  	int power_count;
  	int fault;
  };
  
  #endif /* ADP1653_H */