ASoC: Intel: boards: tgl_sdw_rt5682: Add machine driver

sound/soc/intel/boards/Kconfig

@@ -580,4 +580,22 @@ config SND_SOC_INTEL_SOUNDWIRE_RT711_RT1308_RT715_MACH
 endif
 
 
+if SND_SOC_SOF_TIGERLAKE && SND_SOC_SOF_INTEL_SOUNDWIRE
+
+config SND_SOC_INTEL_TGL_SOUNDWIRE_RT5682_MACH
+       tristate "TGL with RT5682 in SDW mode"
+	depends on I2C && ACPI
+	depends on MFD_INTEL_LPSS || COMPILE_TEST
+	select SND_SOC_RT5682_SDW
+	select SND_HDA_CODEC_HDMI if SND_SOC_SOF_HDA_CODEC
+	select SND_SOC_HDAC_HDMI if SND_SOC_SOF_HDA_LINK
+	help
+	   This adds support for ASoC machine driver for Tigerlake platforms
+	   with SoundWire MAX98373 audio codec.
+	   Say Y if you have such a device.
+	   If unsure select "N".
+
+
+endif ## SND_SOC_SOF_TIGERLAKE && SND_SOC_SOF_INTEL_SOUNDWIRE
+
 endif ## SND_SOC_INTEL_MACH

sound/soc/intel/boards/Makefile

@@ -35,6 +35,7 @@ snd-soc-sof_da7219_max98373-objs := sof_da7219_max98373.o hda_dsp_common.o
 snd-soc-tgl-rt711-rt1308-objs := sdw_rt711_i2s_rt1308.o hda_dsp_common.o
 snd-soc-sdw-rt700-objs := sdw_rt700.o hda_dsp_common.o
 snd-soc-sdw-rt711-rt1308-rt715-objs := sdw_rt711_rt1308_rt715.o hda_dsp_common.o
+snd-soc-tgl-sdw-rt5682-objs := tgl_sdw_rt5682.o hda_dsp_common.o
 
 obj-$(CONFIG_SND_SOC_INTEL_SOF_RT5682_MACH) += snd-soc-sof_rt5682.o
 obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
@@ -72,3 +73,4 @@ obj-$(CONFIG_SND_SOC_INTEL_SOF_DA7219_MAX98373_MACH) += snd-soc-sof_da7219_max98
 obj-$(CONFIG_SND_SOC_INTEL_TGL_RT711_RT1308_MACH) += snd-soc-tgl-rt711-rt1308.o
 obj-$(CONFIG_SND_SOC_INTEL_SOUNDWIRE_RT700_MACH) += snd-soc-sdw-rt700.o
 obj-$(CONFIG_SND_SOC_INTEL_SOUNDWIRE_RT711_RT1308_RT715_MACH) += snd-soc-sdw-rt711-rt1308-rt715.o
+obj-$(CONFIG_SND_SOC_INTEL_TGL_SOUNDWIRE_RT5682_MACH) += snd-soc-tgl-sdw-rt5682.o

sound/soc/intel/boards/tgl_sdw_rt5682.c

@@ -0,0 +1,354 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2020 Intel Corporation
+
+/*
+ *  sdw_tgl_rt5682 - ASOC Machine driver for Intel SoundWire platforms
+ * connected to rt5682 Realtek device
+ */
+
+#include <linux/acpi.h>
+#include <linux/async.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/dmi.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/soundwire/sdw.h>
+#include <linux/soundwire/sdw_type.h>
+#include <sound/jack.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+#include <sound/soc-acpi.h>
+#include "../../codecs/hdac_hdmi.h"
+#include "hda_dsp_common.h"
+
+struct snd_soc_jack rt5682_headset;
+
+struct tgl_card_private {
+	struct list_head hdmi_pcm_list;
+	bool common_hdmi_codec_drv;
+};
+
+#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
+static struct snd_soc_jack tgl_hdmi[4];
+
+struct tgl_hdmi_pcm {
+	struct list_head head;
+	struct snd_soc_dai *codec_dai;
+	int device;
+};
+
+#define NAME_SIZE	32
+static int card_late_probe(struct snd_soc_card *card)
+{
+	struct tgl_card_private *ctx = snd_soc_card_get_drvdata(card);
+	struct tgl_hdmi_pcm *pcm;
+	struct snd_soc_component *component = NULL;
+	int err, i = 0;
+	char jack_name[NAME_SIZE];
+
+	if (list_empty(&ctx->hdmi_pcm_list))
+		return -EINVAL;
+
+	if (ctx->common_hdmi_codec_drv) {
+		pcm = list_first_entry(&ctx->hdmi_pcm_list, struct tgl_hdmi_pcm,
+				       head);
+		component = pcm->codec_dai->component;
+		return hda_dsp_hdmi_build_controls(card, component);
+	}
+
+	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
+		component = pcm->codec_dai->component;
+		snprintf(jack_name, sizeof(jack_name),
+			 "HDMI/DP, pcm=%d Jack", pcm->device);
+		err = snd_soc_card_jack_new(card, jack_name,
+					    SND_JACK_AVOUT, &tgl_hdmi[i],
+					    NULL, 0);
+
+		if (err)
+			return err;
+
+		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+					  &tgl_hdmi[i]);
+		if (err < 0)
+			return err;
+
+		i++;
+	}
+
+	if (!component)
+		return -EINVAL;
+
+	return hdac_hdmi_jack_port_init(component, &card->dapm);
+}
+#else
+static int card_late_probe(struct snd_soc_card *card)
+{
+	return 0;
+}
+#endif
+
+static int tgl_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct tgl_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *dai = rtd->codec_dai;
+	struct tgl_hdmi_pcm *pcm;
+
+	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+	if (!pcm)
+		return -ENOMEM;
+
+	/* dai_link id is 1:1 mapped to the PCM device */
+	pcm->device = rtd->dai_link->id;
+	pcm->codec_dai = dai;
+
+	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+	return 0;
+}
+
+static struct snd_soc_jack_pin sdw_jack_pins[] = {
+	{
+		.pin    = "Headphone",
+		.mask   = SND_JACK_HEADPHONE,
+	},
+	{
+		.pin    = "Headset Mic",
+		.mask   = SND_JACK_MICROPHONE,
+	},
+};
+
+static int rt5682_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *component = rtd->codec_dai->component;
+	struct snd_soc_jack *jack;
+	int ret;
+
+	/*
+	 * Headset buttons map to the google Reference headset.
+	 * These can be configured by userspace.
+	 */
+	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,
+				    &rt5682_headset,
+				    sdw_jack_pins,
+				    ARRAY_SIZE(sdw_jack_pins));
+	if (ret) {
+		dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
+		return ret;
+	}
+
+	jack = &rt5682_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_PLAYPAUSE);
+	ret = snd_soc_component_set_jack(component, jack, NULL);
+
+	if (ret == -EAGAIN) {
+		msleep(500);
+		ret = snd_soc_component_set_jack(component, jack, NULL);
+	}
+
+	if (ret) {
+		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
+		return ret;
+	}
+
+	return ret;
+}
+
+static const struct snd_soc_dapm_widget widgets[] = {
+	SND_SOC_DAPM_HP("Headphone", NULL),
+	SND_SOC_DAPM_MIC("Headset Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route map[] = {
+	/*Headphones*/
+	{ "Headphone", NULL, "HPOL" },
+	{ "Headphone", NULL, "HPOR" },
+	{ "IN1P", NULL, "Headset Mic" },
+};
+
+static const struct snd_kcontrol_new controls[] = {
+	SOC_DAPM_PIN_SWITCH("Headphone"),
+	SOC_DAPM_PIN_SWITCH("Headset Mic"),
+};
+
+SND_SOC_DAILINK_DEF(sdw0_pin2,
+	DAILINK_COMP_ARRAY(COMP_CPU("SDW0 Pin2")));
+SND_SOC_DAILINK_DEF(sdw0_pin3,
+	DAILINK_COMP_ARRAY(COMP_CPU("SDW0 Pin3")));
+SND_SOC_DAILINK_DEF(sdw0_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("sdw:0:25d:5682:0", "rt5682-sdw")));
+
+SND_SOC_DAILINK_DEF(platform,
+		DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
+
+SND_SOC_DAILINK_DEF(dmic_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
+SND_SOC_DAILINK_DEF(dmic_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
+
+SND_SOC_DAILINK_DEF(idisp1_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
+SND_SOC_DAILINK_DEF(idisp1_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
+
+SND_SOC_DAILINK_DEF(idisp2_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
+SND_SOC_DAILINK_DEF(idisp2_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
+
+SND_SOC_DAILINK_DEF(idisp3_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
+SND_SOC_DAILINK_DEF(idisp3_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
+
+SND_SOC_DAILINK_DEF(idisp4_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("iDisp4 Pin")));
+SND_SOC_DAILINK_DEF(idisp4_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi4")));
+
+struct snd_soc_dai_link dailink[] = {
+	{
+		.name = "SDW0-Playback",
+		.id = 0,
+		.init = rt5682_codec_init,
+		.no_pcm = 1,
+		.dpcm_playback = 1,
+		.nonatomic = true,
+		SND_SOC_DAILINK_REG(sdw0_pin2, sdw0_codec, platform),
+	},
+	{
+		.name = "SDW0-Capture",
+		.id = 1,
+		.no_pcm = 1,
+		.dpcm_capture = 1,
+		.nonatomic = true,
+		SND_SOC_DAILINK_REG(sdw0_pin3, sdw0_codec, platform),
+	},
+	{
+		.name = "dmic01",
+		.id = 4,
+		.ignore_suspend = 1,
+		.dpcm_capture = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
+	},
+#if IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)
+	{
+		.name = "iDisp1",
+		.id = 5,
+		.init = tgl_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
+	},
+	{
+		.name = "iDisp2",
+		.id = 6,
+		.init = tgl_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
+	},
+	{
+		.name = "iDisp3",
+		.id = 7,
+		.init = tgl_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
+	},
+	{
+		.name = "iDisp4",
+		.id = 8,
+		.init = tgl_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp4_pin, idisp4_codec, platform),
+	},
+#endif
+};
+
+/* SoC card */
+static struct snd_soc_card card_rt5682 = {
+	.name = "tgl-sdw-rt5682",
+	.dai_link = dailink,
+	.num_links = ARRAY_SIZE(dailink),
+	.controls = controls,
+	.num_controls = ARRAY_SIZE(controls),
+	.dapm_widgets = widgets,
+	.num_dapm_widgets = ARRAY_SIZE(widgets),
+	.dapm_routes = map,
+	.num_dapm_routes = ARRAY_SIZE(map),
+	.late_probe = card_late_probe,
+};
+
+static int mc_probe(struct platform_device *pdev)
+{
+	struct tgl_card_private *ctx;
+	struct snd_soc_acpi_mach *mach;
+	const char *platform_name;
+	struct snd_soc_card *card = &card_rt5682;
+	int ret = 0;
+
+	dev_dbg(&pdev->dev, "Entry %s\n", __func__);
+
+	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+#if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
+	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+#endif
+
+	card->dev = &pdev->dev;
+
+	/* override platform name, if required */
+	mach = (&pdev->dev)->platform_data;
+	platform_name = mach->mach_params.platform;
+
+	ret = snd_soc_fixup_dai_links_platform_name(card, platform_name);
+	if (ret)
+		return ret;
+
+	snd_soc_card_set_drvdata(card, ctx);
+	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
+
+	/* Register the card */
+	ret = devm_snd_soc_register_card(&pdev->dev, card);
+	if (ret) {
+		dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
+		return ret;
+	}
+
+	platform_set_drvdata(pdev, card);
+
+	return ret;
+}
+
+static struct platform_driver sdw_rt5682_driver = {
+	.driver = {
+		.name = "tgl_sdw_rt5682",
+		.pm = &snd_soc_pm_ops,
+	},
+	.probe = mc_probe,
+};
+
+module_platform_driver(sdw_rt5682_driver);
+
+MODULE_DESCRIPTION("TGL ASoC SoundWire RT5682 Machine driver");
+MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
+MODULE_AUTHOR("Naveen Manohar <naveen.m@intel.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:tgl_sdw_rt5682");