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Viewing changes to include/media/videobuf2-dma-contig.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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include/media/videobuf2-dma-contig.h
 
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/*
 
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 * videobuf2-dma-coherent.h - DMA coherent memory allocator for videobuf2
 
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 *
 
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 * Copyright (C) 2010 Samsung Electronics
 
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 *
 
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 * Author: Pawel Osciak <pawel@osciak.com>
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify
 
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 * it under the terms of the GNU General Public License as published by
 
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 * the Free Software Foundation.
 
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 */
 
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#ifndef _MEDIA_VIDEOBUF2_DMA_COHERENT_H
 
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#define _MEDIA_VIDEOBUF2_DMA_COHERENT_H
 
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#include <media/videobuf2-core.h>
 
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#include <linux/dma-mapping.h>
 
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static inline dma_addr_t
 
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vb2_dma_contig_plane_dma_addr(struct vb2_buffer *vb, unsigned int plane_no)
 
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{
 
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        dma_addr_t *addr = vb2_plane_cookie(vb, plane_no);
 
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        return *addr;
 
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}
 
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void *vb2_dma_contig_init_ctx(struct device *dev);
 
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void vb2_dma_contig_cleanup_ctx(void *alloc_ctx);
 
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extern const struct vb2_mem_ops vb2_dma_contig_memops;
 
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#endif