Release 4.7 include/media/videobuf2-dma-contig.h

/*
 * 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>

struct dma_attrs;


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;
}

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void *vb2_dma_contig_init_ctx_attrs(struct device *dev,
				    struct dma_attrs *attrs);



static inline void *vb2_dma_contig_init_ctx(struct device *dev)
{
	return vb2_dma_contig_init_ctx_attrs(dev, NULL);
}

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void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);

extern const struct vb2_mem_ops vb2_dma_contig_memops;

#endif
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marek szyprowski
marek szyprowski
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albert wang
albert wang
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junghak sung
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Directory: include/media

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