/*
   * Copyright (C) 2010 Intel Corporation. All rights reserved.
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of version 2 of the GNU General
   * Public License as published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be
   * useful, but WITHOUT ANY WARRANTY; without even the implied
   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
   * PURPOSE.  See the GNU General Public License for more details.
   * You should have received a copy of the GNU General Public
   * License along with this program; if not, write to the Free
   * Software Foundation, Inc., 59 Temple Place - Suite 330,
   * Boston, MA  02111-1307, USA.
   * The full GNU General Public License is included in this
   * distribution in the file called COPYING.
   */
  
  
  #ifndef _RAR_REGISTER_H
  #define _RAR_REGISTER_H

  #include <linux/types.h>

  
  /* following are used both in drivers as well as user space apps */

  #define	RAR_TYPE_VIDEO	0
  #define	RAR_TYPE_AUDIO	1
  #define	RAR_TYPE_IMAGE	2
  #define	RAR_TYPE_DATA	3

  #ifdef __KERNEL__

  struct rar_device;

  #if defined(CONFIG_RAR_REGISTER)

  int register_rar(int num,
  		int (*callback)(unsigned long data), unsigned long data);
  void unregister_rar(int num);
  int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end);

  int rar_lock(int rar_index);

  #else
  extern void unregister_rar(int num)  { }
  extern int rar_lock(int rar_index) { return -EIO; }
  
  extern inline int register_rar(int num,
  		int (*callback)(unsigned long data), unsigned long data)
  {
  	return -ENODEV;
  }
  
  extern int rar_get_address(int rar_index, dma_addr_t *start, dma_addr_t *end)
  {
  	return -ENODEV;
  }
  #endif	/* RAR_REGISTER */

  #endif  /* __KERNEL__ */
  #endif  /* _RAR_REGISTER_H */