Current File : //usr/src/kernels/3.10.0-1160.88.1.el7.centos.plus.x86_64/include/media/videobuf2-dma-sg.h
/*
* 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
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