LXR linux/drivers/media/platform/davinci/ccdc_hw

   1/*
   2 * Copyright (C) 2008-2009 Texas Instruments Inc
   3 *
   4 * This program is free software; you can redistribute it and/or modify
   5 * it under the terms of the GNU General Public License as published by
   6 * the Free Software Foundation; either version 2 of the License, or
   7 * (at your option) any later version.
   8 *
   9 * This program is distributed in the hope that it will be useful,
  10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 * GNU General Public License for more details.
  13 *
  14 * ccdc device API
  15 */
  16#ifndef _CCDC_HW_DEVICE_H
  17#define _CCDC_HW_DEVICE_H
  18
  19#ifdef __KERNEL__
  20#include <linux/videodev2.h>
  21#include <linux/device.h>
  22#include <media/davinci/vpfe_types.h>
  23#include <media/davinci/ccdc_types.h>
  24
  25/*
  26 * ccdc hw operations
  27 */
  28struct ccdc_hw_ops {
  29        /* Pointer to initialize function to initialize ccdc device */
  30        int (*open) (struct device *dev);
  31        /* Pointer to deinitialize function */
  32        int (*close) (struct device *dev);
  33        /* set ccdc base address */
  34        void (*set_ccdc_base)(void *base, int size);
  35        /* Pointer to function to enable or disable ccdc */
  36        void (*enable) (int en);
  37        /* reset sbl. only for 6446 */
  38        void (*reset) (void);
  39        /* enable output to sdram */
  40        void (*enable_out_to_sdram) (int en);
  41        /* Pointer to function to set hw parameters */
  42        int (*set_hw_if_params) (struct vpfe_hw_if_param *param);
  43        /* get interface parameters */
  44        int (*get_hw_if_params) (struct vpfe_hw_if_param *param);
  45        /* Pointer to function to configure ccdc */
  46        int (*configure) (void);
  47
  48        /* Pointer to function to set buffer type */
  49        int (*set_buftype) (enum ccdc_buftype buf_type);
  50        /* Pointer to function to get buffer type */
  51        enum ccdc_buftype (*get_buftype) (void);
  52        /* Pointer to function to set frame format */
  53        int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);
  54        /* Pointer to function to get frame format */
  55        enum ccdc_frmfmt (*get_frame_format) (void);
  56        /* enumerate hw pix formats */
  57        int (*enum_pix)(u32 *hw_pix, int i);
  58        /* Pointer to function to set buffer type */
  59        u32 (*get_pixel_format) (void);
  60        /* Pointer to function to get pixel format. */
  61        int (*set_pixel_format) (u32 pixfmt);
  62        /* Pointer to function to set image window */
  63        int (*set_image_window) (struct v4l2_rect *win);
  64        /* Pointer to function to set image window */
  65        void (*get_image_window) (struct v4l2_rect *win);
  66        /* Pointer to function to get line length */
  67        unsigned int (*get_line_length) (void);
  68
  69        /* Pointer to function to set frame buffer address */
  70        void (*setfbaddr) (unsigned long addr);
  71        /* Pointer to function to get field id */
  72        int (*getfid) (void);
  73};
  74
  75struct ccdc_hw_device {
  76        /* ccdc device name */
  77        char name[32];
  78        /* module owner */
  79        struct module *owner;
  80        /* hw ops */
  81        struct ccdc_hw_ops hw_ops;
  82};
  83
  84/* Used by CCDC module to register & unregister with vpfe capture driver */
  85int vpfe_register_ccdc_device(struct ccdc_hw_device *dev);
  86void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev);
  87
  88#endif
  89#endif
  90