drivers/media/video/gspca/m5602/m5602_sensor.h

   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_SENSOR_H_
  20 #define M5602_SENSOR_H_
  21
  22 #include "m5602_bridge.h"
  23
  24 #define M5602_V4L2_CID_GREEN_BALANCE    (V4L2_CID_PRIVATE_BASE + 0)
  25 #define M5602_V4L2_CID_NOISE_SUPPRESION (V4L2_CID_PRIVATE_BASE + 1)
  26
  27 /* Enumerates all supported sensors */
  28 enum sensors {
  29         OV9650_SENSOR   = 1,
  30         S5K83A_SENSOR   = 2,
  31         S5K4AA_SENSOR   = 3,
  32         MT9M111_SENSOR  = 4,
  33         PO1030_SENSOR   = 5,
  34         OV7660_SENSOR   = 6,
  35 };
  36
  37 /* Enumerates all possible instruction types */
  38 enum instruction {
  39         BRIDGE,
  40         SENSOR,
  41         SENSOR_LONG
  42 };
  43
  44 struct m5602_sensor {
  45         /* Defines the name of a sensor */
  46         char name[32];
  47
  48         /* What i2c address the sensor is connected to */
  49         u8 i2c_slave_id;
  50
  51         /* Width of each i2c register (in bytes) */
  52         u8 i2c_regW;
  53
  54         /* Probes if the sensor is connected */
  55         int (*probe)(struct sd *sd);
  56
  57         /* Performs a initialization sequence */
  58         int (*init)(struct sd *sd);
  59
  60         /* Executed when the camera starts to send data */
  61         int (*start)(struct sd *sd);
  62
  63         /* Executed when the camera ends to send data */
  64         int (*stop)(struct sd *sd);
  65
  66         /* Executed when the device is disconnected */
  67         void (*disconnect)(struct sd *sd);
  68 };
  69
  70 #endif