// SPDX-License-Identifier: GPL-2.0-only /* * Machine driver for AMD Pink Sardine platform using DMIC * * Copyright 2022 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 <linux/dmi.h> #include "acp63.h" #define DRV_NAME "acp_ps_mach" SND_SOC_DAILINK_DEF(acp63_pdm, DAILINK_COMP_ARRAY(COMP_CPU("acp_ps_pdm_dma.0"))); SND_SOC_DAILINK_DEF(dmic_codec, DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0", "dmic-hifi"))); SND_SOC_DAILINK_DEF(pdm_platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_ps_pdm_dma.0"))); static struct snd_soc_dai_link acp63_dai_pdm[] = { { .name = "acp63-dmic-capture", .stream_name = "DMIC capture", .capture_only = 1, SND_SOC_DAILINK_REG(acp63_pdm, dmic_codec, pdm_platform), }, }; static struct snd_soc_card acp63_card = { .name = "acp63", .owner = THIS_MODULE, .dai_link = acp63_dai_pdm, .num_links = 1, }; static int acp63_probe(struct platform_device *pdev) { struct acp63_pdm *machine = NULL; struct snd_soc_card *card; int ret; platform_set_drvdata(pdev, &acp63_card); card = platform_get_drvdata(pdev); acp63_card.dev = &pdev->dev; snd_soc_card_set_drvdata(card, machine); ret = devm_snd_soc_register_card(&pdev->dev, card); if (ret) { return dev_err_probe(&pdev->dev, ret, "snd_soc_register_card(%s) failed\n", card->name); } return 0; } static struct platform_driver acp63_mach_driver = { .driver = { .name = "acp_ps_mach", .pm = &snd_soc_pm_ops, }, .probe = acp63_probe, }; module_platform_driver(acp63_mach_driver); MODULE_AUTHOR("Syed.SabaKareem@amd.com"); MODULE_DESCRIPTION("AMD Pink Sardine support for DMIC"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:" DRV_NAME);