include/media/ovcamchip.h

   1 /* OmniVision* camera chip driver API
   2  *
   3  * Copyright (c) 1999-2004 Mark McClelland
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version. NO WARRANTY OF ANY KIND is expressed or implied.
   9  *
  10  * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver
  11  * is not sponsored or developed by them.
  12  */
  13
  14 #ifndef __LINUX_OVCAMCHIP_H
  15 #define __LINUX_OVCAMCHIP_H
  16
  17 #include <linux/videodev.h>
  18 #include <linux/i2c.h>
  19
  20 /* Remove these once they are officially defined */
  21 #ifndef I2C_DRIVERID_OVCAMCHIP
  22         #define I2C_DRIVERID_OVCAMCHIP  0xf00f
  23 #endif
  24 #ifndef I2C_HW_SMBUS_OV511
  25         #define I2C_HW_SMBUS_OV511      0xfe
  26 #endif
  27 #ifndef I2C_HW_SMBUS_OV518
  28         #define I2C_HW_SMBUS_OV518      0xff
  29 #endif
  30 #ifndef I2C_HW_SMBUS_OVFX2
  31         #define I2C_HW_SMBUS_OVFX2      0xfd
  32 #endif
  33
  34 /* --------------------------------- */
  35 /*           ENUMERATIONS            */
  36 /* --------------------------------- */
  37
  38 /* Controls */
  39 enum {
  40         OVCAMCHIP_CID_CONT,             /* Contrast */
  41         OVCAMCHIP_CID_BRIGHT,           /* Brightness */
  42         OVCAMCHIP_CID_SAT,              /* Saturation */
  43         OVCAMCHIP_CID_HUE,              /* Hue */
  44         OVCAMCHIP_CID_EXP,              /* Exposure */
  45         OVCAMCHIP_CID_FREQ,             /* Light frequency */
  46         OVCAMCHIP_CID_BANDFILT,         /* Banding filter */
  47         OVCAMCHIP_CID_AUTOBRIGHT,       /* Auto brightness */
  48         OVCAMCHIP_CID_AUTOEXP,          /* Auto exposure */
  49         OVCAMCHIP_CID_BACKLIGHT,        /* Back light compensation */
  50         OVCAMCHIP_CID_MIRROR,           /* Mirror horizontally */
  51 };
  52
  53 /* Chip types */
  54 #define NUM_CC_TYPES    9
  55 enum {
  56         CC_UNKNOWN,
  57         CC_OV76BE,
  58         CC_OV7610,
  59         CC_OV7620,
  60         CC_OV7620AE,
  61         CC_OV6620,
  62         CC_OV6630,
  63         CC_OV6630AE,
  64         CC_OV6630AF,
  65 };
  66
  67 /* --------------------------------- */
  68 /*           I2C ADDRESSES           */
  69 /* --------------------------------- */
  70
  71 #define OV7xx0_SID   (0x42 >> 1)
  72 #define OV6xx0_SID   (0xC0 >> 1)
  73
  74 /* --------------------------------- */
  75 /*                API                */
  76 /* --------------------------------- */
  77
  78 struct ovcamchip_control {
  79         __u32 id;
  80         __s32 value;
  81 };
  82
  83 struct ovcamchip_window {
  84         int x;
  85         int y;
  86         int width;
  87         int height;
  88         int format;
  89         int quarter;            /* Scale width and height down 2x */
  90
  91         /* This stuff will be removed eventually */
  92         int clockdiv;           /* Clock divisor setting */
  93 };
  94
  95 /* Commands */
  96 #define OVCAMCHIP_CMD_Q_SUBTYPE     _IOR  (0x88, 0x00, int)
  97 #define OVCAMCHIP_CMD_INITIALIZE    _IOW  (0x88, 0x01, int)
  98 /* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
  99 #define OVCAMCHIP_CMD_S_CTRL        _IOW  (0x88, 0x02, struct ovcamchip_control)
 100 #define OVCAMCHIP_CMD_G_CTRL        _IOWR (0x88, 0x03, struct ovcamchip_control)
 101 #define OVCAMCHIP_CMD_S_MODE        _IOW  (0x88, 0x04, struct ovcamchip_window)
 102 #define OVCAMCHIP_MAX_CMD           _IO   (0x88, 0x3f)
 103
 104 #endif