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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>
#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);
/*
* @tx, @rx arguments can be NULL if the DMA channel names are "tx", "rx",
* otherwise actual DMA channel names must be passed to this function.
*/
int samsung_asoc_dma_platform_register(struct device *dev, dma_filter_fn filter,
const char *tx, const char *rx);
#endif
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