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  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  *
  18  * ccdc device API
  19  */
  20 #ifndef _CCDC_HW_DEVICE_H
  21 #define _CCDC_HW_DEVICE_H
  22
  23 #ifdef __KERNEL__
  24 #include <linux/videodev2.h>
  25 #include <linux/device.h>
  26 #include <media/davinci/vpfe_types.h>
  27 #include <media/davinci/ccdc_types.h>
  28
  29 /*
  30  * ccdc hw operations
  31  */
  32 struct ccdc_hw_ops {
  33         /* Pointer to initialize function to initialize ccdc device */
  34         int (*open) (struct device *dev);
  35         /* Pointer to deinitialize function */
  36         int (*close) (struct device *dev);
  37         /* set ccdc base address */
  38         void (*set_ccdc_base)(void *base, int size);
  39         /* Pointer to function to enable or disable ccdc */
  40         void (*enable) (int en);
  41         /* reset sbl. only for 6446 */
  42         void (*reset) (void);
  43         /* enable output to sdram */
  44         void (*enable_out_to_sdram) (int en);
  45         /* Pointer to function to set hw parameters */
  46         int (*set_hw_if_params) (struct vpfe_hw_if_param *param);
  47         /* get interface parameters */
  48         int (*get_hw_if_params) (struct vpfe_hw_if_param *param);
  49         /*
  50          * Pointer to function to set parameters. Used
  51          * for implementing VPFE_S_CCDC_PARAMS
  52          */
  53         int (*set_params) (void *params);
  54         /*
  55          * Pointer to function to get parameter. Used
  56          * for implementing VPFE_G_CCDC_PARAMS
  57          */
  58         int (*get_params) (void *params);
  59         /* Pointer to function to configure ccdc */
  60         int (*configure) (void);
  61
  62         /* Pointer to function to set buffer type */
  63         int (*set_buftype) (enum ccdc_buftype buf_type);
  64         /* Pointer to function to get buffer type */
  65         enum ccdc_buftype (*get_buftype) (void);
  66         /* Pointer to function to set frame format */
  67         int (*set_frame_format) (enum ccdc_frmfmt frm_fmt);
  68         /* Pointer to function to get frame format */
  69         enum ccdc_frmfmt (*get_frame_format) (void);
  70         /* enumerate hw pix formats */
  71         int (*enum_pix)(u32 *hw_pix, int i);
  72         /* Pointer to function to set buffer type */
  73         u32 (*get_pixel_format) (void);
  74         /* Pointer to function to get pixel format. */
  75         int (*set_pixel_format) (u32 pixfmt);
  76         /* Pointer to function to set image window */
  77         int (*set_image_window) (struct v4l2_rect *win);
  78         /* Pointer to function to set image window */
  79         void (*get_image_window) (struct v4l2_rect *win);
  80         /* Pointer to function to get line length */
  81         unsigned int (*get_line_length) (void);
  82
  83         /* Pointer to function to set frame buffer address */
  84         void (*setfbaddr) (unsigned long addr);
  85         /* Pointer to function to get field id */
  86         int (*getfid) (void);
  87 };
  88
  89 struct ccdc_hw_device {
  90         /* ccdc device name */
  91         char name[32];
  92         /* module owner */
  93         struct module *owner;
  94         /* hw ops */
  95         struct ccdc_hw_ops hw_ops;
  96 };
  97
  98 /* Used by CCDC module to register & unregister with vpfe capture driver */
  99 int vpfe_register_ccdc_device(struct ccdc_hw_device *dev);
 100 void vpfe_unregister_ccdc_device(struct ccdc_hw_device *dev);
 101
 102 #endif
 103 #endif