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kernel/linux-rt-4.4.41/sound/soc/samsung/dma.h 801 Bytes
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  /*
   *  dma.h --
   *
   *  This program is free software; you can redistribute  it and/or modify it
   *  under  the terms of  the GNU General  Public License as published by the
   *  Free Software Foundation;  either version 2 of the  License, or (at your
   *  option) any later version.
   *
   *  ALSA PCM interface for the Samsung SoC
   */
  
  #ifndef _S3C_AUDIO_H
  #define _S3C_AUDIO_H
  
  #include <sound/dmaengine_pcm.h>
  
  struct s3c_dma_params {
  	void *slave;				/* Channel ID */
  	dma_addr_t dma_addr;
  	int dma_size;			/* Size of the DMA transfer */
  	char *ch_name;
  	struct snd_dmaengine_dai_dma_data dma_data;
  };
  
  void samsung_asoc_init_dma_data(struct snd_soc_dai *dai,
  				struct s3c_dma_params *playback,
  				struct s3c_dma_params *capture);
  int samsung_asoc_dma_platform_register(struct device *dev);
  
  #endif