drivers/media/platform/davinci/ccdc_hw_device.h

   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  */
  28 struct 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         /*
  46          * Pointer to function to set parameters. Used
  47          * for implementing VPFE_S_CCDC_PARAMS
  48          */
  49         int (*set_params) (void *params);
  50         /*
  51          * Pointer to function to get parameter. Used
  52          * for implementing VPFE_G_CCDC_PARAMS
  53          */
  54         int (*get_params) (void *params);
  55         /* Pointer to function to configure ccdc */
  56         int (*configure) (void);
  57
  58         /* Pointer to function to set buffer type */
  59         int (*set_buftype) (enum ccdc_buftype buf_type);
  60         /* Pointer to function to get buffer type */
  61         enum ccdc_buftype (*get_buftype) (void);
  62         /* Pointer to function to set frame format */
  63         int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);
  64         /* Pointer to function to get frame format */
  65         enum ccdc_frmfmt (*get_frame_format) (void);
  66         /* enumerate hw pix formats */
  67         int (*enum_pix)(u32 *hw_pix, int i);
  68         /* Pointer to function to set buffer type */
  69         u32 (*get_pixel_format) (void);
  70         /* Pointer to function to get pixel format. */
  71         int (*set_pixel_format) (u32 pixfmt);
  72         /* Pointer to function to set image window */
  73         int (*set_image_window) (struct v4l2_rect *win);
  74         /* Pointer to function to set image window */
  75         void (*get_image_window) (struct v4l2_rect *win);
  76         /* Pointer to function to get line length */
  77         unsigned int (*get_line_length) (void);
  78
  79         /* Pointer to function to set frame buffer address */
  80         void (*setfbaddr) (unsigned long addr);
  81         /* Pointer to function to get field id */
  82         int (*getfid) (void);
  83 };
  84
  85 struct ccdc_hw_device {
  86         /* ccdc device name */
  87         char name[32];
  88         /* module owner */
  89         struct module *owner;
  90         /* hw ops */
  91         struct ccdc_hw_ops hw_ops;
  92 };
  93
  94 /* Used by CCDC module to register & unregister with vpfe capture driver */
  95 int vpfe_register_ccdc_device(struct ccdc_hw_device *dev);
  96 void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev);
  97
  98 #endif
  99 #endif