/drivers/media/video/gspca/m5602/m5602_bridge.h
C Header | 163 lines | 112 code | 24 blank | 27 comment | 0 complexity | fc1c90a795a3714e4b20647c41954b2c MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 * USB Driver for ALi m5602 based webcams
3 *
4 * Copyright (C) 2008 Erik Andrén
5 * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
6 * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
7 *
8 * Portions of code to USB interface and ALi driver software,
9 * Copyright (c) 2006 Willem Duinker
10 * v4l2 interface modeled after the V4L2 driver
11 * for SN9C10x PC Camera Controllers
12 *
13 * This program is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU General Public License as
15 * published by the Free Software Foundation, version 2.
16 *
17 */
18
19#ifndef M5602_BRIDGE_H_
20#define M5602_BRIDGE_H_
21
22#include <linux/slab.h>
23#include "gspca.h"
24
25#define MODULE_NAME "ALi m5602"
26
27/*****************************************************************************/
28
29#define M5602_XB_SENSOR_TYPE 0x00
30#define M5602_XB_SENSOR_CTRL 0x01
31#define M5602_XB_LINE_OF_FRAME_H 0x02
32#define M5602_XB_LINE_OF_FRAME_L 0x03
33#define M5602_XB_PIX_OF_LINE_H 0x04
34#define M5602_XB_PIX_OF_LINE_L 0x05
35#define M5602_XB_VSYNC_PARA 0x06
36#define M5602_XB_HSYNC_PARA 0x07
37#define M5602_XB_TEST_MODE_1 0x08
38#define M5602_XB_TEST_MODE_2 0x09
39#define M5602_XB_SIG_INI 0x0a
40#define M5602_XB_DS_PARA 0x0e
41#define M5602_XB_TRIG_PARA 0x0f
42#define M5602_XB_CLK_PD 0x10
43#define M5602_XB_MCU_CLK_CTRL 0x12
44#define M5602_XB_MCU_CLK_DIV 0x13
45#define M5602_XB_SEN_CLK_CTRL 0x14
46#define M5602_XB_SEN_CLK_DIV 0x15
47#define M5602_XB_AUD_CLK_CTRL 0x16
48#define M5602_XB_AUD_CLK_DIV 0x17
49#define M5602_OB_AC_LINK_STATE 0x22
50#define M5602_OB_PCM_SLOT_INDEX 0x24
51#define M5602_OB_GPIO_SLOT_INDEX 0x25
52#define M5602_OB_ACRX_STATUS_ADDRESS_H 0x28
53#define M5602_OB_ACRX_STATUS_DATA_L 0x29
54#define M5602_OB_ACRX_STATUS_DATA_H 0x2a
55#define M5602_OB_ACTX_COMMAND_ADDRESS 0x31
56#define M5602_OB_ACRX_COMMAND_DATA_L 0x32
57#define M5602_OB_ACTX_COMMAND_DATA_H 0X33
58#define M5602_XB_DEVCTR1 0x41
59#define M5602_XB_EPSETR0 0x42
60#define M5602_XB_EPAFCTR 0x47
61#define M5602_XB_EPBFCTR 0x49
62#define M5602_XB_EPEFCTR 0x4f
63#define M5602_XB_TEST_REG 0x53
64#define M5602_XB_ALT2SIZE 0x54
65#define M5602_XB_ALT3SIZE 0x55
66#define M5602_XB_OBSFRAME 0x56
67#define M5602_XB_PWR_CTL 0x59
68#define M5602_XB_ADC_CTRL 0x60
69#define M5602_XB_ADC_DATA 0x61
70#define M5602_XB_MISC_CTRL 0x62
71#define M5602_XB_SNAPSHOT 0x63
72#define M5602_XB_SCRATCH_1 0x64
73#define M5602_XB_SCRATCH_2 0x65
74#define M5602_XB_SCRATCH_3 0x66
75#define M5602_XB_SCRATCH_4 0x67
76#define M5602_XB_I2C_CTRL 0x68
77#define M5602_XB_I2C_CLK_DIV 0x69
78#define M5602_XB_I2C_DEV_ADDR 0x6a
79#define M5602_XB_I2C_REG_ADDR 0x6b
80#define M5602_XB_I2C_DATA 0x6c
81#define M5602_XB_I2C_STATUS 0x6d
82#define M5602_XB_GPIO_DAT_H 0x70
83#define M5602_XB_GPIO_DAT_L 0x71
84#define M5602_XB_GPIO_DIR_H 0x72
85#define M5602_XB_GPIO_DIR_L 0x73
86#define M5602_XB_GPIO_EN_H 0x74
87#define M5602_XB_GPIO_EN_L 0x75
88#define M5602_XB_GPIO_DAT 0x76
89#define M5602_XB_GPIO_DIR 0x77
90#define M5602_XB_SEN_CLK_CONTROL 0x80
91#define M5602_XB_SEN_CLK_DIVISION 0x81
92#define M5602_XB_CPR_CLK_CONTROL 0x82
93#define M5602_XB_CPR_CLK_DIVISION 0x83
94#define M5602_XB_MCU_CLK_CONTROL 0x84
95#define M5602_XB_MCU_CLK_DIVISION 0x85
96#define M5602_XB_DCT_CLK_CONTROL 0x86
97#define M5602_XB_DCT_CLK_DIVISION 0x87
98#define M5602_XB_EC_CLK_CONTROL 0x88
99#define M5602_XB_EC_CLK_DIVISION 0x89
100#define M5602_XB_LBUF_CLK_CONTROL 0x8a
101#define M5602_XB_LBUF_CLK_DIVISION 0x8b
102
103#define I2C_BUSY 0x80
104
105/*****************************************************************************/
106
107/* Driver info */
108#define DRIVER_AUTHOR "ALi m5602 Linux Driver Project"
109#define DRIVER_DESC "ALi m5602 webcam driver"
110
111#define M5602_ISOC_ENDPOINT_ADDR 0x81
112#define M5602_INTR_ENDPOINT_ADDR 0x82
113
114#define M5602_URB_MSG_TIMEOUT 5000
115
116/*****************************************************************************/
117
118/* A skeleton used for sending messages to the m5602 bridge */
119static const unsigned char bridge_urb_skeleton[] = {
120 0x13, 0x00, 0x81, 0x00
121};
122
123/* A skeleton used for sending messages to the sensor */
124static const unsigned char sensor_urb_skeleton[] = {
125 0x23, M5602_XB_GPIO_EN_H, 0x81, 0x06,
126 0x23, M5602_XB_MISC_CTRL, 0x81, 0x80,
127 0x13, M5602_XB_I2C_DEV_ADDR, 0x81, 0x00,
128 0x13, M5602_XB_I2C_REG_ADDR, 0x81, 0x00,
129 0x13, M5602_XB_I2C_DATA, 0x81, 0x00,
130 0x13, M5602_XB_I2C_CTRL, 0x81, 0x11
131};
132
133struct sd {
134 struct gspca_dev gspca_dev;
135
136 /* A pointer to the currently connected sensor */
137 const struct m5602_sensor *sensor;
138
139 struct sd_desc *desc;
140
141 /* Sensor private data */
142 void *sensor_priv;
143
144 /* The current frame's id, used to detect frame boundaries */
145 u8 frame_id;
146
147 /* The current frame count */
148 u32 frame_count;
149};
150
151int m5602_read_bridge(
152 struct sd *sd, const u8 address, u8 *i2c_data);
153
154int m5602_write_bridge(
155 struct sd *sd, const u8 address, const u8 i2c_data);
156
157int m5602_write_sensor(struct sd *sd, const u8 address,
158 u8 *i2c_data, const u8 len);
159
160int m5602_read_sensor(struct sd *sd, const u8 address,
161 u8 *i2c_data, const u8 len);
162
163#endif