root/sound/soc/pxa/pxa2xx-pcm.c
// SPDX-License-Identifier: GPL-2.0-only
/*
 * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
 *
 * Author:      Nicolas Pitre
 * Created:     Nov 30, 2004
 * Copyright:   (C) 2004 MontaVista Software, Inc.
 */

#include <linux/dma-mapping.h>
#include <linux/module.h>
#include <linux/dmaengine.h>
#include <linux/of.h>

#include <sound/core.h>
#include <sound/soc.h>
#include <sound/pxa2xx-lib.h>
#include <sound/dmaengine_pcm.h>

static const struct snd_soc_component_driver pxa2xx_soc_platform = {
        .pcm_construct  = pxa2xx_soc_pcm_new,
        .open           = pxa2xx_soc_pcm_open,
        .close          = pxa2xx_soc_pcm_close,
        .hw_params      = pxa2xx_soc_pcm_hw_params,
        .prepare        = pxa2xx_soc_pcm_prepare,
        .trigger        = pxa2xx_soc_pcm_trigger,
        .pointer        = pxa2xx_soc_pcm_pointer,
};

static int pxa2xx_soc_platform_probe(struct platform_device *pdev)
{
        return devm_snd_soc_register_component(&pdev->dev, &pxa2xx_soc_platform,
                                               NULL, 0);
}

static struct platform_driver pxa_pcm_driver = {
        .driver = {
                .name = "pxa-pcm-audio",
        },

        .probe = pxa2xx_soc_platform_probe,
};

module_platform_driver(pxa_pcm_driver);

MODULE_AUTHOR("Nicolas Pitre");
MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:pxa-pcm-audio");