V4L/DVB (12249): v4l: ccdc hw device header file for vpfe capture

/*

 * Copyright (C) 2008-2009 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

 *

 * ccdc device API

 */

#ifndef _CCDC_HW_DEVICE_H

#define _CCDC_HW_DEVICE_H

#ifdef __KERNEL__

#include <linux/videodev2.h>

#include <linux/device.h>

#include <media/davinci/vpfe_types.h>

#include <media/davinci/ccdc_types.h>

/*

 * ccdc hw operations

 */

struct ccdc_hw_ops {

	/* Pointer to initialize function to initialize ccdc device */

	int (*open) (struct device *dev);

	/* Pointer to deinitialize function */

	int (*close) (struct device *dev);

	/* set ccdc base address */

	void (*set_ccdc_base)(void *base, int size);

	/* Pointer to function to enable or disable ccdc */

	void (*enable) (int en);

	/* reset sbl. only for 6446 */

	void (*reset) (void);

	/* enable output to sdram */

	void (*enable_out_to_sdram) (int en);

	/* Pointer to function to set hw parameters */

	int (*set_hw_if_params) (struct vpfe_hw_if_param *param);

	/* get interface parameters */

	int (*get_hw_if_params) (struct vpfe_hw_if_param *param);

	/*

	 * Pointer to function to set parameters. Used

	 * for implementing VPFE_S_CCDC_PARAMS

	 */

	int (*set_params) (void *params);

	/*

	 * Pointer to function to get parameter. Used

	 * for implementing VPFE_G_CCDC_PARAMS

	 */

	int (*get_params) (void *params);

	/* Pointer to function to configure ccdc */

	int (*configure) (void);

	/* Pointer to function to set buffer type */

	int (*set_buftype) (enum ccdc_buftype buf_type);

	/* Pointer to function to get buffer type */

	enum ccdc_buftype (*get_buftype) (void);

	/* Pointer to function to set frame format */

	int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);

	/* Pointer to function to get frame format */

	enum ccdc_frmfmt (*get_frame_format) (void);

	/* enumerate hw pix formats */

	int (*enum_pix)(u32 *hw_pix, int i);

	/* Pointer to function to set buffer type */

	u32 (*get_pixel_format) (void);

	/* Pointer to function to get pixel format. */

	int (*set_pixel_format) (u32 pixfmt);

	/* Pointer to function to set image window */

	int (*set_image_window) (struct v4l2_rect *win);

	/* Pointer to function to set image window */

	void (*get_image_window) (struct v4l2_rect *win);

	/* Pointer to function to get line length */

	unsigned int (*get_line_length) (void);

	/* Query CCDC control IDs */

	int (*queryctrl)(struct v4l2_queryctrl *qctrl);

	/* Set CCDC control */

	int (*set_control)(struct v4l2_control *ctrl);

	/* Get CCDC control */

	int (*get_control)(struct v4l2_control *ctrl);

	/* Pointer to function to set frame buffer address */

	void (*setfbaddr) (unsigned long addr);

	/* Pointer to function to get field id */

	int (*getfid) (void);

};

struct ccdc_hw_device {

	/* ccdc device name */

	char name[32];

	/* module owner */

	struct module *owner;

	/* hw ops */

	struct ccdc_hw_ops hw_ops;

};

/* Used by CCDC module to register & unregister with vpfe capture driver */

int vpfe_register_ccdc_device(struct ccdc_hw_device *dev);

void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev);

#endif

#endif