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 <andrzej.p@samsung.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-core.h>
17
18struct vb2_dma_sg_desc {
19	unsigned long		size;
20	unsigned int		num_pages;
21	struct scatterlist	*sglist;
22};
23
24static inline struct vb2_dma_sg_desc *vb2_dma_sg_plane_desc(
25		struct vb2_buffer *vb, unsigned int plane_no)
26{
27	return (struct vb2_dma_sg_desc *)vb2_plane_cookie(vb, plane_no);
28}
29
30extern const struct vb2_mem_ops vb2_dma_sg_memops;
31
32#endif

 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
18static 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
24extern const struct vb2_mem_ops vb2_dma_sg_memops;
25
26#endif