camera.h

Linux Kernel 2.6.9 for OMAP1710

/*
 *  linux/drivers/media/video/omap/camera.h
 *
 * Copyright (C) 2004 Texas Instruments Inc
 *
 * 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.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <linux/videodev.h>

#define CAMERA_OV6630_DEV_ID  0xC0
#define CAMERA_SANYO_DEV_ID   0x78

#define QCIF_WIDTH  176
#define QCIF_HEIGHT 144
#define CIF_WIDTH   352
#define CIF_HEIGHT  288

struct camera_interface;

typedef struct camera {
	// interface in which this camera is attached
	struct camera_interface * camif;

	int imageWidth;
	int imageHeight;
	int bytes_per_pixel;
	
	int (*detect)(void); // detect this camera

	int (*init)(void);   // one-time setup
	void (*cleanup)(void);

	int (*open)(void);
	int (*close)(void);
	
	// called when image format changes
	int (*setup)(struct v4l2_pix_format* fmt);

	// frame period is .1 usec units, exclk returned in MHz
	int (*set_frame_period)(int fp, int* exclk, int test);
	int (*get_frame_period)(int* exclk);
	
	/* convert raw camera image to that specified by V4L2 layer */
	int (*convert_image)(u8* src, void* dest, int to_user,
			     int dest_stride,
			     struct v4l2_pix_format* fmt);

	int (*query_control)(struct v4l2_queryctrl *qc);
	int (*get_control)(struct v4l2_control *vc);
	int (*set_control)(struct v4l2_control *vc);
	int (*query_menu)(struct v4l2_querymenu *qm);
} camera_t;

// Implementations of camera_t
extern struct camera camera_ov6x30;
extern struct camera camera_sanyo;