Add Yellow Carp platform machine driver using dmic.
Signed-off-by: Vijendar Mukunda Vijendar.Mukunda@amd.com --- sound/soc/amd/yc/acp6x-mach.c | 76 +++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 sound/soc/amd/yc/acp6x-mach.c
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c new file mode 100644 index 000000000000..5804d17457d0 --- /dev/null +++ b/sound/soc/amd/yc/acp6x-mach.c @@ -0,0 +1,76 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Machine driver for AMD Yellow Carp platform using DMIC +// +//Copyright 2021 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 "acp6x.h" + +#define DRV_NAME "acp_yc_mach" + +SND_SOC_DAILINK_DEF(acp6x_pdm, + DAILINK_COMP_ARRAY(COMP_CPU("acp_yc_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_yc_pdm_dma.0"))); + +static struct snd_soc_dai_link acp6x_dai_pdm[] = { + { + .name = "acp6x-dmic-capture", + .stream_name = "DMIC capture", + .capture_only = 1, + SND_SOC_DAILINK_REG(acp6x_pdm, dmic_codec, pdm_platform), + }, +}; + +static struct snd_soc_card acp6x_card = { + .name = "acp6x", + .owner = THIS_MODULE, + .dai_link = acp6x_dai_pdm, + .num_links = 1, +}; + +static int acp6x_probe(struct platform_device *pdev) +{ + struct acp6x_pdm *machine = NULL; + struct snd_soc_card *card; + int ret; + + card = &acp6x_card; + acp6x_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 acp6x_mach_driver = { + .driver = { + .name = "acp_yc_mach", + .pm = &snd_soc_pm_ops, + }, + .probe = acp6x_probe, +}; + +module_platform_driver(acp6x_mach_driver); + +MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRV_NAME);