drivers/usb/media/w9968cf_vpp.h

   1 /***************************************************************************
   2  * Interface for video post-processing functions for the W996[87]CF driver *
   3  * for Linux.                                                              *
   4  *                                                                         *
   5  * Copyright (C) 2002-2004 by Luca Risolia <luca.risolia@studio.unibo.it>  *
   6  *                                                                         *
   7  * This program is free software; you can redistribute it and/or modify    *
   8  * it under the terms of the GNU General Public License as published by    *
   9  * the Free Software Foundation; either version 2 of the License, or       *
  10  * (at your option) any later version.                                     *
  11  *                                                                         *
  12  * This program is distributed in the hope that it will be useful,         *
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
  15  * GNU General Public License for more details.                            *
  16  *                                                                         *
  17  * You should have received a copy of the GNU General Public License       *
  18  * along with this program; if not, write to the Free Software             *
  19  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.               *
  20  ***************************************************************************/
  21
  22 #ifndef _W9968CF_VPP_H_
  23 #define _W9968CF_VPP_H_
  24
  25 #include <linux/module.h>
  26 #include <asm/types.h>
  27
  28 struct w9968cf_vpp_t {
  29         struct module* owner;
  30         int (*check_headers)(const unsigned char*, const unsigned long);
  31         int (*decode)(const char*, const unsigned long, const unsigned,
  32                       const unsigned, char*);
  33         void (*swap_yuvbytes)(void*, unsigned long);
  34         void (*uyvy_to_rgbx)(u8*, unsigned long, u8*, u16, u8);
  35         void (*scale_up)(u8*, u8*, u16, u16, u16, u16, u16);
  36
  37         u8 busy; /* read-only flag: module is/is not in use */
  38 };
  39
  40 extern int w9968cf_vppmod_register(struct w9968cf_vpp_t*);
  41 extern int w9968cf_vppmod_deregister(struct w9968cf_vpp_t*);
  42
  43 #endif /* _W9968CF_VPP_H_ */