1/* 2 * USB Driver for ALi m5602 based webcams 3 * 4 * Copyright (C) 2008 Erik Andr��n 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 164