root/drivers/media/usb/gspca/m5602/m5602_bridge.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * USB Driver for ALi m5602 based webcams
   4  *
   5  * Copyright (C) 2008 Erik Andrén
   6  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
   7  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
   8  *
   9  * Portions of code to USB interface and ALi driver software,
  10  * Copyright (c) 2006 Willem Duinker
  11  * v4l2 interface modeled after the V4L2 driver
  12  * for SN9C10x PC Camera Controllers
  13  */
  14 
  15 #ifndef M5602_BRIDGE_H_
  16 #define M5602_BRIDGE_H_
  17 
  18 #include <linux/slab.h>
  19 #include "gspca.h"
  20 
  21 #define MODULE_NAME "ALi m5602"
  22 
  23 /*****************************************************************************/
  24 
  25 #define M5602_XB_SENSOR_TYPE            0x00
  26 #define M5602_XB_SENSOR_CTRL            0x01
  27 #define M5602_XB_LINE_OF_FRAME_H        0x02
  28 #define M5602_XB_LINE_OF_FRAME_L        0x03
  29 #define M5602_XB_PIX_OF_LINE_H          0x04
  30 #define M5602_XB_PIX_OF_LINE_L          0x05
  31 #define M5602_XB_VSYNC_PARA             0x06
  32 #define M5602_XB_HSYNC_PARA             0x07
  33 #define M5602_XB_TEST_MODE_1            0x08
  34 #define M5602_XB_TEST_MODE_2            0x09
  35 #define M5602_XB_SIG_INI                0x0a
  36 #define M5602_XB_DS_PARA                0x0e
  37 #define M5602_XB_TRIG_PARA              0x0f
  38 #define M5602_XB_CLK_PD                 0x10
  39 #define M5602_XB_MCU_CLK_CTRL           0x12
  40 #define M5602_XB_MCU_CLK_DIV            0x13
  41 #define M5602_XB_SEN_CLK_CTRL           0x14
  42 #define M5602_XB_SEN_CLK_DIV            0x15
  43 #define M5602_XB_AUD_CLK_CTRL           0x16
  44 #define M5602_XB_AUD_CLK_DIV            0x17
  45 #define M5602_OB_AC_LINK_STATE          0x22
  46 #define M5602_OB_PCM_SLOT_INDEX         0x24
  47 #define M5602_OB_GPIO_SLOT_INDEX        0x25
  48 #define M5602_OB_ACRX_STATUS_ADDRESS_H  0x28
  49 #define M5602_OB_ACRX_STATUS_DATA_L     0x29
  50 #define M5602_OB_ACRX_STATUS_DATA_H     0x2a
  51 #define M5602_OB_ACTX_COMMAND_ADDRESS   0x31
  52 #define M5602_OB_ACRX_COMMAND_DATA_L    0x32
  53 #define M5602_OB_ACTX_COMMAND_DATA_H    0X33
  54 #define M5602_XB_DEVCTR1                0x41
  55 #define M5602_XB_EPSETR0                0x42
  56 #define M5602_XB_EPAFCTR                0x47
  57 #define M5602_XB_EPBFCTR                0x49
  58 #define M5602_XB_EPEFCTR                0x4f
  59 #define M5602_XB_TEST_REG               0x53
  60 #define M5602_XB_ALT2SIZE               0x54
  61 #define M5602_XB_ALT3SIZE               0x55
  62 #define M5602_XB_OBSFRAME               0x56
  63 #define M5602_XB_PWR_CTL                0x59
  64 #define M5602_XB_ADC_CTRL               0x60
  65 #define M5602_XB_ADC_DATA               0x61
  66 #define M5602_XB_MISC_CTRL              0x62
  67 #define M5602_XB_SNAPSHOT               0x63
  68 #define M5602_XB_SCRATCH_1              0x64
  69 #define M5602_XB_SCRATCH_2              0x65
  70 #define M5602_XB_SCRATCH_3              0x66
  71 #define M5602_XB_SCRATCH_4              0x67
  72 #define M5602_XB_I2C_CTRL               0x68
  73 #define M5602_XB_I2C_CLK_DIV            0x69
  74 #define M5602_XB_I2C_DEV_ADDR           0x6a
  75 #define M5602_XB_I2C_REG_ADDR           0x6b
  76 #define M5602_XB_I2C_DATA               0x6c
  77 #define M5602_XB_I2C_STATUS             0x6d
  78 #define M5602_XB_GPIO_DAT_H             0x70
  79 #define M5602_XB_GPIO_DAT_L             0x71
  80 #define M5602_XB_GPIO_DIR_H             0x72
  81 #define M5602_XB_GPIO_DIR_L             0x73
  82 #define M5602_XB_GPIO_EN_H              0x74
  83 #define M5602_XB_GPIO_EN_L              0x75
  84 #define M5602_XB_GPIO_DAT               0x76
  85 #define M5602_XB_GPIO_DIR               0x77
  86 #define M5602_XB_SEN_CLK_CONTROL        0x80
  87 #define M5602_XB_SEN_CLK_DIVISION       0x81
  88 #define M5602_XB_CPR_CLK_CONTROL        0x82
  89 #define M5602_XB_CPR_CLK_DIVISION       0x83
  90 #define M5602_XB_MCU_CLK_CONTROL        0x84
  91 #define M5602_XB_MCU_CLK_DIVISION       0x85
  92 #define M5602_XB_DCT_CLK_CONTROL        0x86
  93 #define M5602_XB_DCT_CLK_DIVISION       0x87
  94 #define M5602_XB_EC_CLK_CONTROL         0x88
  95 #define M5602_XB_EC_CLK_DIVISION        0x89
  96 #define M5602_XB_LBUF_CLK_CONTROL       0x8a
  97 #define M5602_XB_LBUF_CLK_DIVISION      0x8b
  98 
  99 #define I2C_BUSY 0x80
 100 
 101 /*****************************************************************************/
 102 
 103 /* Driver info */
 104 #define DRIVER_AUTHOR "ALi m5602 Linux Driver Project"
 105 #define DRIVER_DESC "ALi m5602 webcam driver"
 106 
 107 #define M5602_ISOC_ENDPOINT_ADDR 0x81
 108 #define M5602_INTR_ENDPOINT_ADDR 0x82
 109 
 110 #define M5602_URB_MSG_TIMEOUT   5000
 111 
 112 /*****************************************************************************/
 113 
 114 struct sd {
 115         struct gspca_dev gspca_dev;
 116 
 117         /* A pointer to the currently connected sensor */
 118         const struct m5602_sensor *sensor;
 119 
 120         /* The current frame's id, used to detect frame boundaries */
 121         u8 frame_id;
 122 
 123         /* The current frame count */
 124         u32 frame_count;
 125 
 126         /* Camera rotation polling thread for "flipable" cams */
 127         struct task_struct *rotation_thread;
 128 
 129         struct { /* auto-white-bal + green/red/blue balance control cluster */
 130                 struct v4l2_ctrl *auto_white_bal;
 131                 struct v4l2_ctrl *red_bal;
 132                 struct v4l2_ctrl *blue_bal;
 133                 struct v4l2_ctrl *green_bal;
 134         };
 135         struct { /* autoexpo / expo cluster */
 136                 struct v4l2_ctrl *autoexpo;
 137                 struct v4l2_ctrl *expo;
 138         };
 139         struct { /* autogain / gain cluster */
 140                 struct v4l2_ctrl *autogain;
 141                 struct v4l2_ctrl *gain;
 142         };
 143         struct { /* hflip/vflip cluster */
 144                 struct v4l2_ctrl *hflip;
 145                 struct v4l2_ctrl *vflip;
 146         };
 147 };
 148 
 149 int m5602_read_bridge(
 150         struct sd *sd, const u8 address, u8 *i2c_data);
 151 
 152 int m5602_write_bridge(
 153         struct sd *sd, const u8 address, const u8 i2c_data);
 154 
 155 int m5602_write_sensor(struct sd *sd, const u8 address,
 156                        u8 *i2c_data, const u8 len);
 157 
 158 int m5602_read_sensor(struct sd *sd, const u8 address,
 159                       u8 *i2c_data, const u8 len);
 160 
 161 #endif