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imx-pcm.h
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1 /*
2  * Copyright 2009 Sascha Hauer <[email protected]>
3  *
4  * This code is based on code copyrighted by Freescale,
5  * Liam Girdwood, Javier Martin and probably others.
6  *
7  * This program is free software; you can redistribute it and/or modify it
8  * under the terms of the GNU General Public License as published by the
9  * Free Software Foundation; either version 2 of the License, or (at your
10  * option) any later version.
11  */
12 
13 #ifndef _IMX_PCM_H
14 #define _IMX_PCM_H
15 
16 /*
17  * Do not change this as the FIQ handler depends on this size
18  */
19 #define IMX_SSI_DMABUF_SIZE (64 * 1024)
20 
22  int dma;
23  unsigned long dma_addr;
24  int burstsize;
25  bool shared_peripheral; /* The peripheral is on SPBA bus */
26 };
27 
28 int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
29  struct vm_area_struct *vma);
30 int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
31 void imx_pcm_free(struct snd_pcm *pcm);
32 
33 #endif /* _IMX_PCM_H */