LXR linux/sound/soc/samsung/dma.h

   1/*
   2 *  dma.h --
   3 *
   4 *  This program is free software; you can redistribute  it and/or modify it
   5 *  under  the terms of  the GNU General  Public License as published by the
   6 *  Free Software Foundation;  either version 2 of the  License, or (at your
   7 *  option) any later version.
   8 *
   9 *  ALSA PCM interface for the Samsung SoC
  10 */
  11
  12#ifndef _S3C_AUDIO_H
  13#define _S3C_AUDIO_H
  14
  15#include <sound/dmaengine_pcm.h>
  16
  17struct s3c_dma_params {
  18        int channel;                            /* Channel ID */
  19        dma_addr_t dma_addr;
  20        int dma_size;                   /* Size of the DMA transfer */
  21        char *ch_name;
  22        struct snd_dmaengine_dai_dma_data dma_data;
  23};
  24
  25void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
  26                                struct s3c_dma_params *playback,
  27                                struct s3c_dma_params *capture);
  28int samsung_asoc_dma_platform_register(struct device *dev);
  29
  30#endif
  31