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1a758d4e 1/*
86b09055 2 * videobuf2-dma-contig.h - DMA contig memory allocator for videobuf2
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3 *
4 * Copyright (C) 2010 Samsung Electronics
5 *
95072084 6 * Author: Pawel Osciak <pawel@osciak.com>
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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
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13#ifndef _MEDIA_VIDEOBUF2_DMA_CONTIG_H
14#define _MEDIA_VIDEOBUF2_DMA_CONTIG_H
1a758d4e 15
c139990e 16#include <media/videobuf2-v4l2.h>
472af2b0 17#include <linux/dma-mapping.h>
1a758d4e 18
472af2b0 19static inline dma_addr_t
ba7fcb0c 20vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
1a758d4e 21{
ba7fcb0c 22 dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
472af2b0 23
ba7fcb0c 24 return *addr;
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25}
26
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27int vb2_dma_contig_set_max_seg_size(struct device *dev, unsigned int size);
28void vb2_dma_contig_clear_max_seg_size(struct device *dev);
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29
30extern const struct vb2_mem_ops vb2_dma_contig_memops;
31
32#endif