ccdc_hw_device.h

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/*
 * 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