/* * camera.h * * Definition of Camera object. * * Copyright (C) 2003 MontaVista Software, Inc. * * Author: MontaVista Software, Inc. *              stevel@mvista.com or source@mvista.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */#include <linux/videodev.h>#define CAMERA_OV9640_DEV_ID  0x60#define CAMERA_OV6630_DEV_ID  0xC0#define CAMERA_SANYO_DEV_ID   0x78/* image and pixel formats supported by the various OMAP cameras */enum image_format { QQCIF, QQVGA, QCIF, QVGA, CIF, VGA, SXGA };enum pixel_format { YUV, RGB565, RGB555 };#define NUM_IMAGE_SIZES 7#define NUM_PIXEL_FORMATS 3struct image_size {	unsigned long width;	unsigned long height;};extern const struct image_size omap_image_size[];extern const int omap_pixfmt_depth[];struct camera_interface;typedef struct camera {	// interface in which this camera is attached	struct camera_interface * camif;	enum image_format imgfmt; // current image/pixel format	enum pixel_format pixfmt;		int (*detect)(void); // detect this camera	int (*init)(void);   // one-time setup	void (*cleanup)(void);	int (*open)(void);	int (*close)(void);		// called when image/pixel format changes	int (*set_format)(struct v4l2_pix_format* fmt);	// frame period is in .1 usec units, xclk in Hz	int (*set_frame_period)(int fp, int xclk, int test);	int (*get_frame_period)(void);		/*	 * convert and decode raw camera image if needed, or simply	 * copy src to dest if no decoding necessary.	 */	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_textern struct camera camera_ov9640;extern struct camera camera_ov6x30;extern struct camera camera_sanyo;