ASoC: amd: RN machine driver using dmic

// SPDX-License-Identifier: GPL-2.0+

//

// Machine driver for AMD Renoir platform using DMIC

//

//Copyright 2020 Advanced Micro Devices, Inc.

#include <sound/soc.h>

#include <sound/soc-dapm.h>

#include <linux/module.h>

#include <sound/pcm.h>

#include <sound/pcm_params.h>

#include <linux/io.h>

#include "rn_acp3x.h"

#define DRV_NAME "acp_pdm_mach"

SND_SOC_DAILINK_DEF(acp_pdm,

		    DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0")));

SND_SOC_DAILINK_DEF(dmic_codec,

		    DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",

						  "dmic-hifi")));

SND_SOC_DAILINK_DEF(platform,

		    DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0")));

static struct snd_soc_dai_link acp_dai_pdm[] = {

	{

		.name = "acp3x-dmic-capture",

		.stream_name = "DMIC capture",

		.capture_only = 1,

		SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform),

	},

};

static struct snd_soc_card acp_card = {

	.name = "acp",

	.owner = THIS_MODULE,

	.dai_link = acp_dai_pdm,

	.num_links = 1,

};

static int acp_probe(struct platform_device *pdev)

{

	int ret;

	struct acp_pdm *machine = NULL;

	struct snd_soc_card *card;

	card = &acp_card;

	acp_card.dev = &pdev->dev;

	platform_set_drvdata(pdev, card);

	snd_soc_card_set_drvdata(card, machine);

	ret = devm_snd_soc_register_card(&pdev->dev, card);

	if (ret) {

		dev_err(&pdev->dev,

			"snd_soc_register_card(%s) failed: %d\n",

			acp_card.name, ret);

		return ret;

	}

	return 0;

}

static struct platform_driver acp_mach_driver = {

	.driver = {

		.name = "acp_pdm_mach",

		.pm = &snd_soc_pm_ops,

	},

	.probe = acp_probe,

};

module_platform_driver(acp_mach_driver);

MODULE_AUTHOR("Vijendar.Mukunda@amd.com");

MODULE_LICENSE("GPL v2");

MODULE_ALIAS("platform:" DRV_NAME);