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/*
* videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
*
* Copyright (C) 2010 Samsung Electronics
*
* Author: Pawel Osciak <pawel@osciak.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_CONTIG_H
#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
#include <media/videobuf2-v4l2.h>
#include <linux/dma-mapping.h>
static inline dma_addr_t
vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
{
dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
return *addr;
}
void *vb2_dma_contig_init_ctx(struct device *dev);
void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
extern const struct vb2_mem_ops vb2_dma_contig_memops;
#endif