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-rw-r--r--include/media/videobuf2-dma-contig.h32
1 files changed, 32 insertions, 0 deletions
diff --git a/include/media/videobuf2-dma-contig.h b/include/media/videobuf2-dma-contig.h
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1/*
2 * videobuf2-dma-coherent.h - DMA coherent 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_COHERENT_H
14#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
15
16#include <media/videobuf2-core.h>
17#include <linux/dma-mapping.h>
18
19static inline dma_addr_t
20vb2_dma_contig_plane_paddr(struct vb2_buffer *vb, unsigned int plane_no)
21{
22 dma_addr_t *paddr = vb2_plane_cookie(vb, plane_no);
23
24 return *paddr;
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