swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
Raw File
Tip revision: 92e963f50fc74041b5e9e744c330dca48e04f08d authored by Linus Torvalds on 24 January 2016, 21:06:47 UTC
Linux 4.5-rc1
Tip revision: 92e963f
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>
#include <linux/dmaengine.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,
				       dma_filter_fn fn);

#endif
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