davinci-mcasp.h

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/*
 * ALSA SoC McASP Audio Layer for TI DAVINCI processor
 *
 * MCASP related definitions
 *
 * Author: Nirmal Pandey <[email protected]>,
 *         Suresh Rajashekara <[email protected]>
 *         Steve Chen <[email protected]>
 *
 * Copyright:   (C) 2009 MontaVista Software, Inc., <[email protected]>
 * Copyright:   (C) 2009  Texas Instruments, India
 *
 * 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 DAVINCI_MCASP_H
#define DAVINCI_MCASP_H

#include <linux/io.h>
#include <linux/platform_data/davinci_asp.h>

#include "davinci-pcm.h"

#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000
#define DAVINCI_MCASP_I2S_DAI   0
#define DAVINCI_MCASP_DIT_DAI   1

enum {
    DAVINCI_AUDIO_WORD_8 = 0,
    DAVINCI_AUDIO_WORD_12,
    DAVINCI_AUDIO_WORD_16,
    DAVINCI_AUDIO_WORD_20,
    DAVINCI_AUDIO_WORD_24,
    DAVINCI_AUDIO_WORD_32,
    DAVINCI_AUDIO_WORD_28,  /* This is only valid for McASP */
};

struct davinci_audio_dev {
    struct davinci_pcm_dma_params dma_params[2];
    void __iomem *base;
    int sample_rate;
    struct device *dev;
    unsigned int codec_fmt;

    /* McASP specific data */
    int tdm_slots;
    u8  op_mode;
    u8  num_serializer;
    u8  *serial_dir;
    u8  version;

    /* McASP FIFO related */
    u8  txnumevt;
    u8  rxnumevt;
};

#endif  /* DAVINCI_MCASP_H */