drivers/media/platform/davinci/ccdc_hw_device.h

   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  */
  19 struct 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
  66 struct 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 */
  76 int vpfe_register_ccdc_device(const struct ccdc_hw_device *dev);
  77 void vpfe_unregister_ccdc_device(const struct ccdc_hw_device *dev);
  78
  79 #endif
  80 #endif