91 lines
2.5 KiB
C
91 lines
2.5 KiB
C
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/* OmniVision* camera chip driver API
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*
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* Copyright (c) 1999-2004 Mark McClelland
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. NO WARRANTY OF ANY KIND is expressed or implied.
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*
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* * OmniVision is a trademark of OmniVision Technologies, Inc. This driver
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* is not sponsored or developed by them.
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*/
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#ifndef __LINUX_OVCAMCHIP_H
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#define __LINUX_OVCAMCHIP_H
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#include <linux/videodev.h>
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#include <linux/i2c.h>
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/* --------------------------------- */
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/* ENUMERATIONS */
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/* --------------------------------- */
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/* Controls */
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enum {
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OVCAMCHIP_CID_CONT, /* Contrast */
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OVCAMCHIP_CID_BRIGHT, /* Brightness */
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OVCAMCHIP_CID_SAT, /* Saturation */
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OVCAMCHIP_CID_HUE, /* Hue */
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OVCAMCHIP_CID_EXP, /* Exposure */
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OVCAMCHIP_CID_FREQ, /* Light frequency */
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OVCAMCHIP_CID_BANDFILT, /* Banding filter */
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OVCAMCHIP_CID_AUTOBRIGHT, /* Auto brightness */
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OVCAMCHIP_CID_AUTOEXP, /* Auto exposure */
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OVCAMCHIP_CID_BACKLIGHT, /* Back light compensation */
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OVCAMCHIP_CID_MIRROR, /* Mirror horizontally */
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};
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/* Chip types */
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#define NUM_CC_TYPES 9
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enum {
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CC_UNKNOWN,
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CC_OV76BE,
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CC_OV7610,
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CC_OV7620,
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CC_OV7620AE,
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CC_OV6620,
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CC_OV6630,
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CC_OV6630AE,
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CC_OV6630AF,
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};
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/* --------------------------------- */
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/* I2C ADDRESSES */
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/* --------------------------------- */
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#define OV7xx0_SID (0x42 >> 1)
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#define OV6xx0_SID (0xC0 >> 1)
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/* --------------------------------- */
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/* API */
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/* --------------------------------- */
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struct ovcamchip_control {
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__u32 id;
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__s32 value;
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};
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struct ovcamchip_window {
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int x;
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int y;
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int width;
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int height;
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int format;
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int quarter; /* Scale width and height down 2x */
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/* This stuff will be removed eventually */
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int clockdiv; /* Clock divisor setting */
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};
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/* Commands */
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#define OVCAMCHIP_CMD_Q_SUBTYPE _IOR (0x88, 0x00, int)
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#define OVCAMCHIP_CMD_INITIALIZE _IOW (0x88, 0x01, int)
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/* You must call OVCAMCHIP_CMD_INITIALIZE before any of commands below! */
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#define OVCAMCHIP_CMD_S_CTRL _IOW (0x88, 0x02, struct ovcamchip_control)
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#define OVCAMCHIP_CMD_G_CTRL _IOWR (0x88, 0x03, struct ovcamchip_control)
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#define OVCAMCHIP_CMD_S_MODE _IOW (0x88, 0x04, struct ovcamchip_window)
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#define OVCAMCHIP_MAX_CMD _IO (0x88, 0x3f)
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#endif
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