s6000-pcm.h

Go to the documentation of this file.

/*
 * ALSA PCM interface for the Stretch s6000 family
 *
 * Author:      Daniel Gloeckner, <[email protected]>
 * Copyright:   (C) 2009 emlix GmbH <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _S6000_PCM_H
#define _S6000_PCM_H

struct snd_soc_dai;
struct snd_pcm_substream;

struct s6000_pcm_dma_params {
    unsigned int (*check_xrun)(struct snd_soc_dai *cpu_dai);
    int (*trigger)(struct snd_pcm_substream *substream, int cmd, int after);
    dma_addr_t sif_in;
    dma_addr_t sif_out;
    u32 dma_in;
    u32 dma_out;
    int irq;
    int same_rate;

    spinlock_t lock;
    int in_use;
    int rate;
};

#endif