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// 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);
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