1 files changed, 86 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_max98373.c b/sound/soc/intel/boards/sof_sdw_max98373.c
new file mode 100644
index 000000000000..6437872a9b3d
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_max98373.c
@@ -0,0 +1,86 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Copyright (c) 2020 Intel Corporation
+//
+// sof_sdw_max98373 - Helpers to handle 2x MAX98373
+// codec devices from generic machine driver
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "sof_sdw_common.h"
+#include "sof_maxim_common.h"
+
+static const struct snd_soc_dapm_widget mx8373_widgets[] = {
+	SND_SOC_DAPM_SPK("Left Spk", NULL),
+	SND_SOC_DAPM_SPK("Right Spk", NULL),
+};
+
+static const struct snd_kcontrol_new mx8373_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Left Spk"),
+	SOC_DAPM_PIN_SWITCH("Right Spk"),
+};
+
+static int spk_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	int ret;
+
+	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+					  "%s spk:mx8373",
+					  card->components);
+	if (!card->components)
+		return -ENOMEM;
+
+	ret = snd_soc_add_card_controls(card, mx8373_controls,
+					ARRAY_SIZE(mx8373_controls));
+	if (ret) {
+		dev_err(card->dev, "mx8373 ctrls addition failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, mx8373_widgets,
+					ARRAY_SIZE(mx8373_widgets));
+	if (ret) {
+		dev_err(card->dev, "mx8373 widgets addition failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, max_98373_dapm_routes, 2);
+	if (ret)
+		dev_err(rtd->dev, "failed to add first SPK map: %d\n", ret);
+
+	return ret;
+}
+
+static const struct snd_soc_ops max_98373_sdw_ops = {
+	.startup = sdw_startup,
+	.trigger = max98373_trigger,
+	.shutdown = sdw_shutdown,
+};
+
+int sof_sdw_mx8373_init(const struct snd_soc_acpi_link_adr *link,
+			struct snd_soc_dai_link *dai_links,
+			struct sof_sdw_codec_info *info,
+			bool playback)
+{
+	info->amp_num++;
+	if (info->amp_num == 2)
+		dai_links->init = spk_init;
+
+	info->late_probe = true;
+
+	dai_links->ops = &max_98373_sdw_ops;
+
+	return 0;
+}
+
+int sof_sdw_mx8373_late_probe(struct snd_soc_card *card)
+{
+	struct snd_soc_dapm_context *dapm = &card->dapm;
+
+	/* Disable Left and Right Spk pin after boot */
+	snd_soc_dapm_disable_pin(dapm, "Left Spk");
+	snd_soc_dapm_disable_pin(dapm, "Right Spk");
+	return snd_soc_dapm_sync(dapm);
+}