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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * Machine driver for AMD Pink Sardine platform using DMIC4 *5 * Copyright 2022 Advanced Micro Devices, Inc.6 */7 8#include <sound/soc.h>9#include <sound/soc-dapm.h>10#include <linux/module.h>11#include <sound/pcm.h>12#include <sound/pcm_params.h>13#include <linux/io.h>14#include <linux/dmi.h>15 16#include "acp63.h"17 18#define DRV_NAME "acp_ps_mach"19 20SND_SOC_DAILINK_DEF(acp63_pdm,21 DAILINK_COMP_ARRAY(COMP_CPU("acp_ps_pdm_dma.0")));22 23SND_SOC_DAILINK_DEF(dmic_codec,24 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",25 "dmic-hifi")));26 27SND_SOC_DAILINK_DEF(pdm_platform,28 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_ps_pdm_dma.0")));29 30static struct snd_soc_dai_link acp63_dai_pdm[] = {31 {32 .name = "acp63-dmic-capture",33 .stream_name = "DMIC capture",34 .capture_only = 1,35 SND_SOC_DAILINK_REG(acp63_pdm, dmic_codec, pdm_platform),36 },37};38 39static struct snd_soc_card acp63_card = {40 .name = "acp63",41 .owner = THIS_MODULE,42 .dai_link = acp63_dai_pdm,43 .num_links = 1,44};45 46static int acp63_probe(struct platform_device *pdev)47{48 struct acp63_pdm *machine = NULL;49 struct snd_soc_card *card;50 int ret;51 52 platform_set_drvdata(pdev, &acp63_card);53 card = platform_get_drvdata(pdev);54 acp63_card.dev = &pdev->dev;55 56 snd_soc_card_set_drvdata(card, machine);57 ret = devm_snd_soc_register_card(&pdev->dev, card);58 if (ret) {59 return dev_err_probe(&pdev->dev, ret,60 "snd_soc_register_card(%s) failed\n",61 card->name);62 }63 64 return 0;65}66 67static struct platform_driver acp63_mach_driver = {68 .driver = {69 .name = "acp_ps_mach",70 .pm = &snd_soc_pm_ops,71 },72 .probe = acp63_probe,73};74 75module_platform_driver(acp63_mach_driver);76 77MODULE_AUTHOR("Syed.SabaKareem@amd.com");78MODULE_DESCRIPTION("AMD Pink Sardine support for DMIC");79MODULE_LICENSE("GPL v2");80MODULE_ALIAS("platform:" DRV_NAME);81