sound/soc/s6000/s6000-pcm.h

   1 /*
   2  * ALSA PCM interface for the Stretch s6000 family
   3  *
   4  * Author:      Daniel Gloeckner, <dg@emlix.com>
   5  * Copyright:   (C) 2009 emlix GmbH <info@emlix.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  */
  11
  12 #ifndef _S6000_PCM_H
  13 #define _S6000_PCM_H
  14
  15 struct snd_soc_dai;
  16 struct snd_pcm_substream;
  17
  18 struct s6000_pcm_dma_params {
  19         unsigned int (*check_xrun)(struct snd_soc_dai *cpu_dai);
  20         int (*trigger)(struct snd_pcm_substream *substream, int cmd, int after);
  21         dma_addr_t sif_in;
  22         dma_addr_t sif_out;
  23         u32 dma_in;
  24         u32 dma_out;
  25         int irq;
  26         int same_rate;
  27
  28         spinlock_t lock;
  29         int in_use;
  30         int rate;
  31 };
  32
  33 extern struct snd_soc_platform s6000_soc_platform;
  34
  35 #endif