[12/13] ASoC: amd: add YC machine driver using dmic

Commit Message

Vijendar Mukunda Oct. 11, 2021, 5:56 a.m. UTC

Add Yellow Carp platform machine driver using dmic.

Signed-off-by: Vijendar Mukunda <[e-mail]>
---
 sound/soc/amd/yc/acp6x-mach.c | 76 +++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 sound/soc/amd/yc/acp6x-mach.c

Patch

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("[e-mail]");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);