// 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) { return dev_err_probe(&pdev->dev, ret, "snd_soc_register_card(%s) failed\n", card->name); } 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);