xref: /openbmc/linux/include/media/videobuf2-dma-sg.h (revision 597473720f4dc69749542bfcfed4a927a43d935e)
1  /*
2   * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
3   *
4   * Copyright (C) 2010 Samsung Electronics
5   *
6   * Author: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com>
7   *
8   * This program is free software; you can redistribute it and/or modify
9   * it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation.
11   */
12  
13  #ifndef _MEDIA_VIDEOBUF2_DMA_SG_H
14  #define _MEDIA_VIDEOBUF2_DMA_SG_H
15  
16  #include <media/videobuf2-v4l2.h>
17  
vb2_dma_sg_plane_desc(struct vb2_buffer * vb,unsigned int plane_no)18  static inline struct sg_table *vb2_dma_sg_plane_desc(
19  		struct vb2_buffer *vb, unsigned int plane_no)
20  {
21  	return (struct sg_table *)vb2_plane_cookie(vb, plane_no);
22  }
23  
24  extern const struct vb2_mem_ops vb2_dma_sg_memops;
25  
26  #endif
27