/*

   * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2

   *
   * Copyright (C) 2010 Samsung Electronics
   *

   * Author: Pawel Osciak <pawel@osciak.com>

   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation.
   */

  #ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
  #define _MEDIA_VIDEOBUF2_DMA_CONTIG_H

  #include <media/videobuf2-v4l2.h>

  #include <linux/dma-mapping.h>

  static inline dma_addr_t

  vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)

  {

  	dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);

  	return *addr;

  }

  int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
  void vb2_dma_contig_clear_max_seg_size(struct device *dev);

  
  extern const struct vb2_mem_ops vb2_dma_contig_memops;
  
  #endif