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/* OmniVision* camera chip driver API

 *

 * Copyright (c) 1999-2004 Mark McClelland

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the

 * Free Software Foundation; either version 2 of the License, or (at your

 * option) any later version. NO WARRANTY OF ANY KIND is expressed or implied.

 *

 * * OmniVision is a trademark of OmniVision Technologies, Inc. This driver

 * is not sponsored or developed by them.

 */

#ifndef __LINUX_OVCAMCHIP_H

#define __LINUX_OVCAMCHIP_H

#include <linux/videodev.h>

#include <media/v4l2-common.h>

/* --------------------------------- */

/*           ENUMERATIONS            */

/* --------------------------------- */

/* Controls */

enum {

        OVCAMCHIP_CID_CONT,             /* Contrast */

        OVCAMCHIP_CID_BRIGHT,           /* Brightness */

        OVCAMCHIP_CID_SAT,              /* Saturation */

        OVCAMCHIP_CID_HUE,              /* Hue */

        OVCAMCHIP_CID_EXP,              /* Exposure */

        OVCAMCHIP_CID_FREQ,             /* Light frequency */

        OVCAMCHIP_CID_BANDFILT,         /* Banding filter */

        OVCAMCHIP_CID_AUTOBRIGHT,       /* Auto brightness */

        OVCAMCHIP_CID_AUTOEXP,          /* Auto exposure */

        OVCAMCHIP_CID_BACKLIGHT,        /* Back light compensation */

        OVCAMCHIP_CID_MIRROR,           /* Mirror horizontally */

};

/* Chip types */

#define NUM_CC_TYPES    9

enum {

        CC_UNKNOWN,

        CC_OV76BE,

        CC_OV7610,

        CC_OV7620,

        CC_OV7620AE,

        CC_OV6620,

        CC_OV6630,

        CC_OV6630AE,

        CC_OV6630AF,

};

/* --------------------------------- */

/*           I2C ADDRESSES           */

/* --------------------------------- */

#define OV7xx0_SID   (0x42 >> 1)

#define OV6xx0_SID   (0xC0 >> 1)

/* --------------------------------- */

/*                API                */

/* --------------------------------- */

struct ovcamchip_control {

        __u32 id;

        __s32 value;

};

struct ovcamchip_window {

        int x;

        int y;

        int width;

        int height;

        int format;

        int quarter;            /* Scale width and height down 2x */

        /* This stuff will be removed eventually */

        int clockdiv;           /* Clock divisor setting */

};

/* Commands */

#define OVCAMCHIP_CMD_Q_SUBTYPE     _IOR  (0x88, 0x00, int)

#define OVCAMCHIP_CMD_INITIALIZE    _IOW  (0x88, 0x01, int)

/* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */

#define OVCAMCHIP_CMD_S_CTRL        _IOW  (0x88, 0x02, struct ovcamchip_control)

#define OVCAMCHIP_CMD_G_CTRL        _IOWR (0x88, 0x03, struct ovcamchip_control)

#define OVCAMCHIP_CMD_S_MODE        _IOW  (0x88, 0x04, struct ovcamchip_window)

#define OVCAMCHIP_MAX_CMD           _IO   (0x88, 0x3f)

#endif