1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * Machine driver for AMD Pink Sardine platform using DMIC 4 * 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_LICENSE("GPL v2"); 79MODULE_ALIAS("platform:" DRV_NAME); 80