Linux Kernel  3.7.1
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videobuf-vmalloc.h
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1 /*
2  * helper functions for vmalloc capture buffers
3  *
4  * The functions expect the hardware being able to scatter gather
5  * (i.e. the buffers are not linear in physical memory, but fragmented
6  * into PAGE_SIZE chunks). They also assume the driver does not need
7  * to touch the video data.
8  *
9  * (c) 2007 Mauro Carvalho Chehab, <[email protected]>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License as published by
13  * the Free Software Foundation; either version 2
14  */
15 #ifndef _VIDEOBUF_VMALLOC_H
16 #define _VIDEOBUF_VMALLOC_H
17 
18 #include <media/videobuf-core.h>
19 
20 /* --------------------------------------------------------------------- */
21 
24 
25  void *vaddr;
26 
27  /* remap_vmalloc_range seems to need to run
28  * after mmap() on some cases */
30 };
31 
33  const struct videobuf_queue_ops *ops,
34  struct device *dev,
35  spinlock_t *irqlock,
36  enum v4l2_buf_type type,
37  enum v4l2_field field,
38  unsigned int msize,
39  void *priv,
40  struct mutex *ext_lock);
41 
43 
45 
46 #endif