https://github.com/torvalds/linux
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Tip revision: 2c6625cd545bdd66acff14f3394865d43920a5c7 authored by Linus Torvalds on 16 August 2015, 23:34:13 UTC
Linux 4.2-rc7
Tip revision: 2c6625c
dma.h
/*
 *  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 {
	int channel;				/* 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
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