linux-kernel - [PATCH 12/13] ASoC: amd: add Pink Sardine machine driver using dmic

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Date:   Fri, 12 Aug 2022 17:37:30 +0530
From:   Syed Saba kareem <Syed.SabaKareem@....com>
To:     <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC:     <Vijendar.Mukunda@....com>, <Basavaraj.Hiregoudar@....com>,
        <Sunil-kumar.Dommati@....com>, <mario.limonciello@....com>,
        Syed Saba kareem <Syed.SabaKareem@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        "Jaroslav Kysela" <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH 12/13] ASoC: amd: add Pink Sardine machine driver using dmic

Add Pink Sardine platform machine driver using dmic.

Signed-off-by: Syed Saba Kareem <Syed.SabaKareem@....com>
---
 sound/soc/amd/ps/ps-mach.c | 79 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 sound/soc/amd/ps/ps-mach.c

diff --git a/sound/soc/amd/ps/ps-mach.c b/sound/soc/amd/ps/ps-mach.c
new file mode 100644
index 000000000000..b3e97093481d
--- /dev/null
+++ b/sound/soc/amd/ps/ps-mach.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * 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 "acp62.h"
+
+#define DRV_NAME "acp_ps_mach"
+
+SND_SOC_DAILINK_DEF(acp62_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 acp62_dai_pdm[] = {
+	{
+		.name = "acp62-dmic-capture",
+		.stream_name = "DMIC capture",
+		.capture_only = 1,
+		SND_SOC_DAILINK_REG(acp62_pdm, dmic_codec, pdm_platform),
+	},
+};
+
+static struct snd_soc_card acp62_card = {
+	.name = "acp62",
+	.owner = THIS_MODULE,
+	.dai_link = acp62_dai_pdm,
+	.num_links = 1,
+};
+
+static int acp62_probe(struct platform_device *pdev)
+{
+	struct acp62_pdm *machine = NULL;
+	struct snd_soc_card *card;
+	int ret;
+
+	platform_set_drvdata(pdev, &acp62_card);
+	card = platform_get_drvdata(pdev);
+	acp62_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 acp62_mach_driver = {
+	.driver = {
+		.name = "acp_ps_mach",
+		.pm = &snd_soc_pm_ops,
+	},
+	.probe = acp62_probe,
+};
+
+module_platform_driver(acp62_mach_driver);
+
+MODULE_AUTHOR("Syed.SabaKareem@....com");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRV_NAME);
-- 
2.25.1