1 files changed, 125 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_sdw_rt700.c b/sound/soc/intel/boards/sof_sdw_rt700.c
new file mode 100644
index 000000000000..2ee4e6910d7f
--- /dev/null
+++ b/sound/soc/intel/boards/sof_sdw_rt700.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Intel Corporation
+
+/*
+ *  sof_sdw_rt700 - Helpers to handle RT700 from generic machine driver
+ */
+
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/input.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include <sound/jack.h>
+#include "sof_sdw_common.h"
+
+static const struct snd_soc_dapm_widget rt700_widgets[] = {
+	SND_SOC_DAPM_HP("Headphones", NULL),
+	SND_SOC_DAPM_MIC("AMIC", NULL),
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+static const struct snd_soc_dapm_route rt700_map[] = {
+	/* Headphones */
+	{ "Headphones", NULL, "HP" },
+	{ "Speaker", NULL, "SPK" },
+	{ "MIC2", NULL, "AMIC" },
+};
+
+static const struct snd_kcontrol_new rt700_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Headphones"),
+	SOC_DAPM_PIN_SWITCH("AMIC"),
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+};
+
+static struct snd_soc_jack_pin rt700_jack_pins[] = {
+	{
+		.pin    = "Headphones",
+		.mask   = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin    = "AMIC",
+		.mask   = SND_JACK_MICROPHONE,
+	},
+};
+
+static int rt700_rtd_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
+	struct snd_soc_component *component = rtd->codec_dai->component;
+	struct snd_soc_jack *jack;
+	int ret;
+
+	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
+					  "%s hs:rt700",
+					  card->components);
+	if (!card->components)
+		return -ENOMEM;
+
+	ret = snd_soc_add_card_controls(card, rt700_controls,
+					ARRAY_SIZE(rt700_controls));
+	if (ret) {
+		dev_err(card->dev, "rt700 controls addition failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_new_controls(&card->dapm, rt700_widgets,
+					ARRAY_SIZE(rt700_widgets));
+	if (ret) {
+		dev_err(card->dev, "rt700 widgets addition failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_dapm_add_routes(&card->dapm, rt700_map,
+				      ARRAY_SIZE(rt700_map));
+
+	if (ret) {
+		dev_err(card->dev, "rt700 map addition failed: %d\n", ret);
+		return ret;
+	}
+
+	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
+				    SND_JACK_HEADSET | SND_JACK_BTN_0 |
+				    SND_JACK_BTN_1 | SND_JACK_BTN_2 |
+				    SND_JACK_BTN_3,
+				    &ctx->sdw_headset,
+				    rt700_jack_pins,
+				    ARRAY_SIZE(rt700_jack_pins));
+	if (ret) {
+		dev_err(rtd->card->dev, "Headset Jack creation failed: %d\n",
+			ret);
+		return ret;
+	}
+
+	jack = &ctx->sdw_headset;
+
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_VOLUMEUP);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_PLAYPAUSE);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
+	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
+
+	ret = snd_soc_component_set_jack(component, jack, NULL);
+	if (ret)
+		dev_err(rtd->card->dev, "Headset Jack call-back failed: %d\n",
+			ret);
+
+	return ret;
+}
+
+int sof_sdw_rt700_init(const struct snd_soc_acpi_link_adr *link,
+		       struct snd_soc_dai_link *dai_links,
+		       struct sof_sdw_codec_info *info,
+		       bool playback)
+{
+	/*
+	 * headset should be initialized once.
+	 * Do it with dai link for playback.
+	 */
+	if (!playback)
+		return 0;
+
+	dai_links->init = rt700_rtd_init;
+
+	return 0;
+}