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 /* --------------------------------- */
  21 /*           ENUMERATIONS            */
  22 /* --------------------------------- */
  23
  24 /* Controls */
  25 enum {
  26         OVCAMCHIP_CID_CONT,             /* Contrast */
  27         OVCAMCHIP_CID_BRIGHT,           /* Brightness */
  28         OVCAMCHIP_CID_SAT,              /* Saturation */
  29         OVCAMCHIP_CID_HUE,              /* Hue */
  30         OVCAMCHIP_CID_EXP,              /* Exposure */
  31         OVCAMCHIP_CID_FREQ,             /* Light frequency */
  32         OVCAMCHIP_CID_BANDFILT,         /* Banding filter */
  33         OVCAMCHIP_CID_AUTOBRIGHT,       /* Auto brightness */
  34         OVCAMCHIP_CID_AUTOEXP,          /* Auto exposure */
  35         OVCAMCHIP_CID_BACKLIGHT,        /* Back light compensation */
  36         OVCAMCHIP_CID_MIRROR,           /* Mirror horizontally */
  37 };
  38
  39 /* Chip types */
  40 #define NUM_CC_TYPES    9
  41 enum {
  42         CC_UNKNOWN,
  43         CC_OV76BE,
  44         CC_OV7610,
  45         CC_OV7620,
  46         CC_OV7620AE,
  47         CC_OV6620,
  48         CC_OV6630,
  49         CC_OV6630AE,
  50         CC_OV6630AF,
  51 };
  52
  53 /* --------------------------------- */
  54 /*           I2C ADDRESSES           */
  55 /* --------------------------------- */
  56
  57 #define OV7xx0_SID   (0x42 >> 1)
  58 #define OV6xx0_SID   (0xC0 >> 1)
  59
  60 /* --------------------------------- */
  61 /*                API                */
  62 /* --------------------------------- */
  63
  64 struct ovcamchip_control {
  65         __u32 id;
  66         __s32 value;
  67 };
  68
  69 struct ovcamchip_window {
  70         int x;
  71         int y;
  72         int width;
  73         int height;
  74         int format;
  75         int quarter;            /* Scale width and height down 2x */
  76
  77         /* This stuff will be removed eventually */
  78         int clockdiv;           /* Clock divisor setting */
  79 };
  80
  81 /* Commands */
  82 #define OVCAMCHIP_CMD_Q_SUBTYPE     _IOR  (0x88, 0x00, int)
  83 #define OVCAMCHIP_CMD_INITIALIZE    _IOW  (0x88, 0x01, int)
  84 /* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
  85 #define OVCAMCHIP_CMD_S_CTRL        _IOW  (0x88, 0x02, struct ovcamchip_control)
  86 #define OVCAMCHIP_CMD_G_CTRL        _IOWR (0x88, 0x03, struct ovcamchip_control)
  87 #define OVCAMCHIP_CMD_S_MODE        _IOW  (0x88, 0x04, struct ovcamchip_window)
  88 #define OVCAMCHIP_MAX_CMD           _IO   (0x88, 0x3f)
  89
  90 #endif