LXR linux/drivers/media/usb/gspca/m5602/m5602

   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
 118struct 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
 153int m5602_read_bridge(
 154        struct sd *sd, const u8 address, u8 *i2c_data);
 155
 156int m5602_write_bridge(
 157        struct sd *sd, const u8 address, const u8 i2c_data);
 158
 159int m5602_write_sensor(struct sd *sd, const u8 address,
 160                       u8 *i2c_data, const u8 len);
 161
 162int m5602_read_sensor(struct sd *sd, const u8 address,
 163                      u8 *i2c_data, const u8 len);
 164
 165#endif
 166