1 files changed, 73 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_nuvoton_common.c b/sound/soc/intel/boards/sof_nuvoton_common.c
new file mode 100644
index 000000000000..549a412f5d53
--- /dev/null
+++ b/sound/soc/intel/boards/sof_nuvoton_common.c
@@ -0,0 +1,73 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * This file defines data structures and functions used in Machine
+ * Driver for Intel platforms with Nuvoton Codecs.
+ *
+ * Copyright 2023 Intel Corporation.
+ */
+#include <linux/module.h>
+#include <sound/sof.h>
+#include "sof_nuvoton_common.h"
+
+/*
+ * Nuvoton NAU8318
+ */
+static const struct snd_kcontrol_new nau8318_kcontrols[] = {
+	SOC_DAPM_PIN_SWITCH("Spk"),
+};
+
+static const struct snd_soc_dapm_widget nau8318_widgets[] = {
+	SND_SOC_DAPM_SPK("Spk", NULL),
+};
+
+static const struct snd_soc_dapm_route nau8318_routes[] = {
+	{ "Spk", NULL, "Speaker" },
+};
+
+static struct snd_soc_dai_link_component nau8318_components[] = {
+	{
+		.name = NAU8318_DEV0_NAME,
+		.dai_name = NAU8318_CODEC_DAI,
+	}
+};
+
+static int nau8318_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, nau8318_widgets,
+					ARRAY_SIZE(nau8318_widgets));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add nau8318 widgets, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_add_card_controls(card, nau8318_kcontrols,
+					ARRAY_SIZE(nau8318_kcontrols));
+	if (ret) {
+		dev_err(rtd->dev, "fail to add nau8318 kcontrols, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, nau8318_routes,
+				      ARRAY_SIZE(nau8318_routes));
+
+	if (ret) {
+		dev_err(rtd->dev, "fail to add nau8318 routes, ret %d\n", ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+void nau8318_set_dai_link(struct snd_soc_dai_link *link)
+{
+	link->codecs = nau8318_components;
+	link->num_codecs = ARRAY_SIZE(nau8318_components);
+	link->init = nau8318_init;
+}
+EXPORT_SYMBOL_NS(nau8318_set_dai_link, SND_SOC_INTEL_SOF_NUVOTON_COMMON);
+
+MODULE_DESCRIPTION("ASoC Intel SOF Nuvoton helpers");
+MODULE_LICENSE("GPL");