videobuf2-dma-sg.h

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/*
 * videobuf2-dma-sg.h - DMA scatter/gather memory allocator for videobuf2
 *
 * Copyright (C) 2010 Samsung Electronics
 *
 * Author: Andrzej Pietrasiewicz <[email protected]>
 *
 * 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