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 struct sd { 119 struct gspca_dev gspca_dev; 120 121 /* A pointer to the currently connected sensor */ 122 const struct m5602_sensor *sensor; 123 124 /* The current frame's id, used to detect frame boundaries */ 125 u8 frame_id; 126 127 /* The current frame count */ 128 u32 frame_count; 129 130 /* Camera rotation polling thread for "flipable" cams */ 131 struct task_struct *rotation_thread; 132 133 struct { /* auto-white-bal + green/red/blue balance control cluster */ 134 struct v4l2_ctrl *auto_white_bal; 135 struct v4l2_ctrl *red_bal; 136 struct v4l2_ctrl *blue_bal; 137 struct v4l2_ctrl *green_bal; 138 }; 139 struct { /* autoexpo / expo cluster */ 140 struct v4l2_ctrl *autoexpo; 141 struct v4l2_ctrl *expo; 142 }; 143 struct { /* autogain / gain cluster */ 144 struct v4l2_ctrl *autogain; 145 struct v4l2_ctrl *gain; 146 }; 147 struct { /* hflip/vflip cluster */ 148 struct v4l2_ctrl *hflip; 149 struct v4l2_ctrl *vflip; 150 }; 151 }; 152 153 int m5602_read_bridge( 154 struct sd *sd, const u8 address, u8 *i2c_data); 155 156 int m5602_write_bridge( 157 struct sd *sd, const u8 address, const u8 i2c_data); 158 159 int m5602_write_sensor(struct sd *sd, const u8 address, 160 u8 *i2c_data, const u8 len); 161 162 int m5602_read_sensor(struct sd *sd, const u8 address, 163 u8 *i2c_data, const u8 len); 164 165 #endif 166