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

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Copyright (C) 2008-2009 Texas Instruments Inc
   4 *
   5 * ccdc device API
   6 */
   7#ifndef _CCDC_HW_DEVICE_H
   8#define _CCDC_HW_DEVICE_H
   9
  10#ifdef __KERNEL__
  11#include <linux/videodev2.h>
  12#include <linux/device.h>
  13#include <media/davinci/vpfe_types.h>
  14#include <media/davinci/ccdc_types.h>
  15
  16/*
  17 * ccdc hw operations
  18 */
  19struct ccdc_hw_ops {
  20        /* Pointer to initialize function to initialize ccdc device */
  21        int (*open) (struct device *dev);
  22        /* Pointer to deinitialize function */
  23        int (*close) (struct device *dev);
  24        /* set ccdc base address */
  25        void (*set_ccdc_base)(void *base, int size);
  26        /* Pointer to function to enable or disable ccdc */
  27        void (*enable) (int en);
  28        /* reset sbl. only for 6446 */
  29        void (*reset) (void);
  30        /* enable output to sdram */
  31        void (*enable_out_to_sdram) (int en);
  32        /* Pointer to function to set hw parameters */
  33        int (*set_hw_if_params) (struct vpfe_hw_if_param *param);
  34        /* get interface parameters */
  35        int (*get_hw_if_params) (struct vpfe_hw_if_param *param);
  36        /* Pointer to function to configure ccdc */
  37        int (*configure) (void);
  38
  39        /* Pointer to function to set buffer type */
  40        int (*set_buftype) (enum ccdc_buftype buf_type);
  41        /* Pointer to function to get buffer type */
  42        enum ccdc_buftype (*get_buftype) (void);
  43        /* Pointer to function to set frame format */
  44        int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);
  45        /* Pointer to function to get frame format */
  46        enum ccdc_frmfmt (*get_frame_format) (void);
  47        /* enumerate hw pix formats */
  48        int (*enum_pix)(u32 *hw_pix, int i);
  49        /* Pointer to function to set buffer type */
  50        u32 (*get_pixel_format) (void);
  51        /* Pointer to function to get pixel format. */
  52        int (*set_pixel_format) (u32 pixfmt);
  53        /* Pointer to function to set image window */
  54        int (*set_image_window) (struct v4l2_rect *win);
  55        /* Pointer to function to set image window */
  56        void (*get_image_window) (struct v4l2_rect *win);
  57        /* Pointer to function to get line length */
  58        unsigned int (*get_line_length) (void);
  59
  60        /* Pointer to function to set frame buffer address */
  61        void (*setfbaddr) (unsigned long addr);
  62        /* Pointer to function to get field id */
  63        int (*getfid) (void);
  64};
  65
  66struct ccdc_hw_device {
  67        /* ccdc device name */
  68        char name[32];
  69        /* module owner */
  70        struct module *owner;
  71        /* hw ops */
  72        struct ccdc_hw_ops hw_ops;
  73};
  74
  75/* Used by CCDC module to register & unregister with vpfe capture driver */
  76int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev);
  77void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev);
  78
  79#endif
  80#endif
  81