1/*
2 * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
3 *
4 * Copyright (C) 2010 Samsung Electronics
5 *
6 * Author: Pawel Osciak <pawel@osciak.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_CONTIG_H
14#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
15
16#include <media/videobuf2-v4l2.h>
17#include <linux/dma-mapping.h>
18
19static inline dma_addr_t
20vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
21{
22	dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
23
24	return *addr;
25}
26
27void *vb2_dma_contig_init_ctx(struct device *dev);
28void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
29
30extern const struct vb2_mem_ops vb2_dma_contig_memops;
31
32#endif
33