summaryrefslogtreecommitdiffstats
path: root/drivers/media/usb/gspca/m5602/m5602_bridge.h
blob: 43ebc03d844df9bc71784e911b0f54c4363f95f9 (plain) (blame)
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
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
/*
 * USB Driver for ALi m5602 based webcams
 *
 * Copyright (C) 2008 Erik Andrén
 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
 *
 * Portions of code to USB interface and ALi driver software,
 * Copyright (c) 2006 Willem Duinker
 * v4l2 interface modeled after the V4L2 driver
 * for SN9C10x PC Camera Controllers
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation, version 2.
 *
 */

#ifndef M5602_BRIDGE_H_
#define M5602_BRIDGE_H_

#include <linux/slab.h>
#include "gspca.h"

#define MODULE_NAME "ALi m5602"

/*****************************************************************************/

#define M5602_XB_SENSOR_TYPE		0x00
#define M5602_XB_SENSOR_CTRL		0x01
#define M5602_XB_LINE_OF_FRAME_H	0x02
#define M5602_XB_LINE_OF_FRAME_L	0x03
#define M5602_XB_PIX_OF_LINE_H		0x04
#define M5602_XB_PIX_OF_LINE_L		0x05
#define M5602_XB_VSYNC_PARA		0x06
#define M5602_XB_HSYNC_PARA		0x07
#define M5602_XB_TEST_MODE_1		0x08
#define M5602_XB_TEST_MODE_2		0x09
#define M5602_XB_SIG_INI		0x0a
#define M5602_XB_DS_PARA		0x0e
#define M5602_XB_TRIG_PARA		0x0f
#define M5602_XB_CLK_PD			0x10
#define M5602_XB_MCU_CLK_CTRL		0x12
#define M5602_XB_MCU_CLK_DIV		0x13
#define M5602_XB_SEN_CLK_CTRL		0x14
#define M5602_XB_SEN_CLK_DIV		0x15
#define M5602_XB_AUD_CLK_CTRL		0x16
#define M5602_XB_AUD_CLK_DIV		0x17
#define M5602_OB_AC_LINK_STATE		0x22
#define M5602_OB_PCM_SLOT_INDEX		0x24
#define M5602_OB_GPIO_SLOT_INDEX	0x25
#define M5602_OB_ACRX_STATUS_ADDRESS_H	0x28
#define M5602_OB_ACRX_STATUS_DATA_L	0x29
#define M5602_OB_ACRX_STATUS_DATA_H	0x2a
#define M5602_OB_ACTX_COMMAND_ADDRESS	0x31
#define M5602_OB_ACRX_COMMAND_DATA_L	0x32
#define M5602_OB_ACTX_COMMAND_DATA_H	0X33
#define M5602_XB_DEVCTR1		0x41
#define M5602_XB_EPSETR0		0x42
#define M5602_XB_EPAFCTR		0x47
#define M5602_XB_EPBFCTR		0x49
#define M5602_XB_EPEFCTR		0x4f
#define M5602_XB_TEST_REG		0x53
#define M5602_XB_ALT2SIZE		0x54
#define M5602_XB_ALT3SIZE		0x55
#define M5602_XB_OBSFRAME		0x56
#define M5602_XB_PWR_CTL		0x59
#define M5602_XB_ADC_CTRL		0x60
#define M5602_XB_ADC_DATA		0x61
#define M5602_XB_MISC_CTRL		0x62
#define M5602_XB_SNAPSHOT		0x63
#define M5602_XB_SCRATCH_1		0x64
#define M5602_XB_SCRATCH_2		0x65
#define M5602_XB_SCRATCH_3		0x66
#define M5602_XB_SCRATCH_4		0x67
#define M5602_XB_I2C_CTRL		0x68
#define M5602_XB_I2C_CLK_DIV		0x69
#define M5602_XB_I2C_DEV_ADDR		0x6a
#define M5602_XB_I2C_REG_ADDR		0x6b
#define M5602_XB_I2C_DATA		0x6c
#define M5602_XB_I2C_STATUS		0x6d
#define M5602_XB_GPIO_DAT_H		0x70
#define M5602_XB_GPIO_DAT_L		0x71
#define M5602_XB_GPIO_DIR_H		0x72
#define M5602_XB_GPIO_DIR_L		0x73
#define M5602_XB_GPIO_EN_H		0x74
#define M5602_XB_GPIO_EN_L		0x75
#define M5602_XB_GPIO_DAT		0x76
#define M5602_XB_GPIO_DIR		0x77
#define M5602_XB_SEN_CLK_CONTROL	0x80
#define M5602_XB_SEN_CLK_DIVISION	0x81
#define M5602_XB_CPR_CLK_CONTROL	0x82
#define M5602_XB_CPR_CLK_DIVISION	0x83
#define M5602_XB_MCU_CLK_CONTROL	0x84
#define M5602_XB_MCU_CLK_DIVISION	0x85
#define M5602_XB_DCT_CLK_CONTROL	0x86
#define M5602_XB_DCT_CLK_DIVISION	0x87
#define M5602_XB_EC_CLK_CONTROL		0x88
#define M5602_XB_EC_CLK_DIVISION	0x89
#define M5602_XB_LBUF_CLK_CONTROL	0x8a
#define M5602_XB_LBUF_CLK_DIVISION	0x8b

#define I2C_BUSY 0x80

/*****************************************************************************/

/* Driver info */
#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project"
#define DRIVER_DESC "ALi m5602 webcam driver"

#define M5602_ISOC_ENDPOINT_ADDR 0x81
#define M5602_INTR_ENDPOINT_ADDR 0x82

#define M5602_URB_MSG_TIMEOUT   5000

/*****************************************************************************/

struct sd {
	struct gspca_dev gspca_dev;

	/* A pointer to the currently connected sensor */
	const struct m5602_sensor *sensor;

	/* The current frame's id, used to detect frame boundaries */
	u8 frame_id;

	/* The current frame count */
	u32 frame_count;

	/* Camera rotation polling thread for "flipable" cams */
	struct task_struct *rotation_thread;

	struct { /* auto-white-bal + green/red/blue balance control cluster */
		struct v4l2_ctrl *auto_white_bal;
		struct v4l2_ctrl *red_bal;
		struct v4l2_ctrl *blue_bal;
		struct v4l2_ctrl *green_bal;
	};
	struct { /* autoexpo / expo cluster */
		struct v4l2_ctrl *autoexpo;
		struct v4l2_ctrl *expo;
	};
	struct { /* autogain / gain cluster */
		struct v4l2_ctrl *autogain;
		struct v4l2_ctrl *gain;
	};
	struct { /* hflip/vflip cluster */
		struct v4l2_ctrl *hflip;
		struct v4l2_ctrl *vflip;
	};
};

int m5602_read_bridge(
	struct sd *sd, const u8 address, u8 *i2c_data);

int m5602_write_bridge(
	struct sd *sd, const u8 address, const u8 i2c_data);

int m5602_write_sensor(struct sd *sd, const u8 address,
		       u8 *i2c_data, const u8 len);

int m5602_read_sensor(struct sd *sd, const u8 address,
		      u8 *i2c_data, const u8 len);

#endif