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 <media/v4l2-common.h>
  19 #include <linux/i2c.h>
  20
  21 /* --------------------------------- */
  22 /*           ENUMERATIONS            */
  23 /* --------------------------------- */
  24
  25 /* Controls */
  26 enum {
  27         OVCAMCHIP_CID_CONT,             /* Contrast */
  28         OVCAMCHIP_CID_BRIGHT,           /* Brightness */
  29         OVCAMCHIP_CID_SAT,              /* Saturation */
  30         OVCAMCHIP_CID_HUE,              /* Hue */
  31         OVCAMCHIP_CID_EXP,              /* Exposure */
  32         OVCAMCHIP_CID_FREQ,             /* Light frequency */
  33         OVCAMCHIP_CID_BANDFILT,         /* Banding filter */
  34         OVCAMCHIP_CID_AUTOBRIGHT,       /* Auto brightness */
  35         OVCAMCHIP_CID_AUTOEXP,          /* Auto exposure */
  36         OVCAMCHIP_CID_BACKLIGHT,        /* Back light compensation */
  37         OVCAMCHIP_CID_MIRROR,           /* Mirror horizontally */
  38 };
  39
  40 /* Chip types */
  41 #define NUM_CC_TYPES    9
  42 enum {
  43         CC_UNKNOWN,
  44         CC_OV76BE,
  45         CC_OV7610,
  46         CC_OV7620,
  47         CC_OV7620AE,
  48         CC_OV6620,
  49         CC_OV6630,
  50         CC_OV6630AE,
  51         CC_OV6630AF,
  52 };
  53
  54 /* --------------------------------- */
  55 /*           I2C ADDRESSES           */
  56 /* --------------------------------- */
  57
  58 #define OV7xx0_SID   (0x42 >> 1)
  59 #define OV6xx0_SID   (0xC0 >> 1)
  60
  61 /* --------------------------------- */
  62 /*                API                */
  63 /* --------------------------------- */
  64
  65 struct ovcamchip_control {
  66         __u32 id;
  67         __s32 value;
  68 };
  69
  70 struct ovcamchip_window {
  71         int x;
  72         int y;
  73         int width;
  74         int height;
  75         int format;
  76         int quarter;            /* Scale width and height down 2x */
  77
  78         /* This stuff will be removed eventually */
  79         int clockdiv;           /* Clock divisor setting */
  80 };
  81
  82 /* Commands */
  83 #define OVCAMCHIP_CMD_Q_SUBTYPE     _IOR  (0x88, 0x00, int)
  84 #define OVCAMCHIP_CMD_INITIALIZE    _IOW  (0x88, 0x01, int)
  85 /* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
  86 #define OVCAMCHIP_CMD_S_CTRL        _IOW  (0x88, 0x02, struct ovcamchip_control)
  87 #define OVCAMCHIP_CMD_G_CTRL        _IOWR (0x88, 0x03, struct ovcamchip_control)
  88 #define OVCAMCHIP_CMD_S_MODE        _IOW  (0x88, 0x04, struct ovcamchip_window)
  89 #define OVCAMCHIP_MAX_CMD           _IO   (0x88, 0x3f)
  90
  91 #endif