LXR linux/sound/arm/pxa2xx-pcm.h

   1/*
   2 * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
   3 *
   4 * Author:      Nicolas Pitre
   5 * Created:     Nov 30, 2004
   6 * Copyright:   MontaVista Software, Inc.
   7 *
   8 * This program is free software; you can redistribute it and/or modify
   9 * it under the terms of the GNU General Public License version 2 as
  10 * published by the Free Software Foundation.
  11 */
  12
  13struct pxa2xx_runtime_data {
  14        int dma_ch;
  15        struct snd_dmaengine_dai_dma_data *params;
  16};
  17
  18struct pxa2xx_pcm_client {
  19        struct snd_dmaengine_dai_dma_data *playback_params;
  20        struct snd_dmaengine_dai_dma_data *capture_params;
  21        int (*startup)(struct snd_pcm_substream *);
  22        void (*shutdown)(struct snd_pcm_substream *);
  23        int (*prepare)(struct snd_pcm_substream *);
  24};
  25
  26extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
  27
  28