/*
   * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
   *
   * Copyright (C) 2010 Samsung Electronics
   *
   * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.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_SG_H
  #define _MEDIA_VIDEOBUF2_DMA_SG_H
  
  #include <media/videobuf2-core.h>
  
  struct vb2_dma_sg_desc {
  	unsigned long		size;
  	unsigned int		num_pages;
  	struct scatterlist	*sglist;
  };
  
  static inline struct vb2_dma_sg_desc *vb2_dma_sg_plane_desc(
  		struct vb2_buffer *vb, unsigned int plane_no)
  {
  	return (struct vb2_dma_sg_desc *)vb2_plane_cookie(vb, plane_no);
  }
  
  extern const struct vb2_mem_ops vb2_dma_sg_memops;
  
  #endif