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videobuf-dma-contig.h
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1 /*
2  * helper functions for physically contiguous capture buffers
3  *
4  * The functions support hardware lacking scatter gather support
5  * (i.e. the buffers must be linear in physical memory)
6  *
7  * Copyright (c) 2008 Magnus Damm
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2
12  */
13 #ifndef _VIDEOBUF_DMA_CONTIG_H
14 #define _VIDEOBUF_DMA_CONTIG_H
15 
16 #include <linux/dma-mapping.h>
17 #include <media/videobuf-core.h>
18 
20  const struct videobuf_queue_ops *ops,
21  struct device *dev,
22  spinlock_t *irqlock,
23  enum v4l2_buf_type type,
24  enum v4l2_field field,
25  unsigned int msize,
26  void *priv,
27  struct mutex *ext_lock);
28 
30  const struct videobuf_queue_ops *ops,
31  struct device *dev,
32  spinlock_t *irqlock,
33  enum v4l2_buf_type type,
34  enum v4l2_field field,
35  unsigned int msize,
36  void *priv,
37  struct mutex *ext_lock);
38 
41  struct videobuf_buffer *buf);
42 
43 #endif /* _VIDEOBUF_DMA_CONTIG_H */