77 lines
1.6 KiB
C
77 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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//
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// Machine driver for AMD Renoir platform using DMIC
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//
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//Copyright 2020 Advanced Micro Devices, Inc.
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <linux/module.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <linux/io.h>
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#include "rn_acp3x.h"
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#define DRV_NAME "acp_pdm_mach"
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SND_SOC_DAILINK_DEF(acp_pdm,
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DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0")));
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SND_SOC_DAILINK_DEF(dmic_codec,
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DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
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"dmic-hifi")));
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SND_SOC_DAILINK_DEF(platform,
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DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0")));
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static struct snd_soc_dai_link acp_dai_pdm[] = {
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{
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.name = "acp3x-dmic-capture",
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.stream_name = "DMIC capture",
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.capture_only = 1,
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SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform),
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},
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};
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static struct snd_soc_card acp_card = {
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.name = "acp",
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.owner = THIS_MODULE,
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.dai_link = acp_dai_pdm,
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.num_links = 1,
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};
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static int acp_probe(struct platform_device *pdev)
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{
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int ret;
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struct acp_pdm *machine = NULL;
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struct snd_soc_card *card;
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card = &acp_card;
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acp_card.dev = &pdev->dev;
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platform_set_drvdata(pdev, card);
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snd_soc_card_set_drvdata(card, machine);
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ret = devm_snd_soc_register_card(&pdev->dev, card);
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if (ret) {
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return dev_err_probe(&pdev->dev, ret,
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"snd_soc_register_card(%s) failed\n",
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card->name);
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}
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return 0;
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}
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static struct platform_driver acp_mach_driver = {
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.driver = {
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.name = "acp_pdm_mach",
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.pm = &snd_soc_pm_ops,
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},
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.probe = acp_probe,
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};
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module_platform_driver(acp_mach_driver);
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MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:" DRV_NAME);
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