omap-hdmi.c

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/*
 * ALSA SoC codec driver for HDMI audio on OMAP processors.
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 * Author: Ricardo Neri <[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.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA
 *
 */
#include <linux/module.h>
#include <sound/soc.h>

#define DRV_NAME "hdmi-audio-codec"

static struct snd_soc_codec_driver omap_hdmi_codec;

static struct snd_soc_dai_driver omap_hdmi_codec_dai = {
    .name = "omap-hdmi-hifi",
    .playback = {
        .channels_min = 2,
        .channels_max = 8,
        .rates = SNDRV_PCM_RATE_32000 |
            SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
            SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
            SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
        .formats = SNDRV_PCM_FMTBIT_S16_LE |
            SNDRV_PCM_FMTBIT_S24_LE,
    },
};

static __devinit int omap_hdmi_codec_probe(struct platform_device *pdev)
{
    return snd_soc_register_codec(&pdev->dev, &omap_hdmi_codec,
            &omap_hdmi_codec_dai, 1);
}

static __devexit int omap_hdmi_codec_remove(struct platform_device *pdev)
{
    snd_soc_unregister_codec(&pdev->dev);
    return 0;
}

static struct platform_driver omap_hdmi_codec_driver = {
    .driver     = {
        .name   = DRV_NAME,
        .owner  = THIS_MODULE,
    },

    .probe      = omap_hdmi_codec_probe,
    .remove     = __devexit_p(omap_hdmi_codec_remove),
};

module_platform_driver(omap_hdmi_codec_driver);

MODULE_AUTHOR("Ricardo Neri <[email protected]>");
MODULE_DESCRIPTION("ASoC OMAP HDMI codec driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);