1 files changed, 567 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/skl_rt286.c b/sound/soc/intel/boards/skl_rt286.c
new file mode 100644
index 000000000..4f3d655e2
--- /dev/null
+++ b/sound/soc/intel/boards/skl_rt286.c
@@ -0,0 +1,567 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Intel Skylake I2S Machine Driver
+ *
+ * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
+ *
+ * Modified from:
+ *   Intel Broadwell Wildcatpoint SST Audio
+ *
+ *   Copyright (C) 2013, Intel Corporation. All rights reserved.
+ */
+
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/jack.h>
+#include <sound/pcm_params.h>
+#include "../../codecs/rt286.h"
+#include "../../codecs/hdac_hdmi.h"
+
+static struct snd_soc_jack skylake_headset;
+static struct snd_soc_jack skylake_hdmi[3];
+
+struct skl_hdmi_pcm {
+	struct list_head head;
+	struct snd_soc_dai *codec_dai;
+	int device;
+};
+
+struct skl_rt286_private {
+	struct list_head hdmi_pcm_list;
+};
+
+enum {
+	SKL_DPCM_AUDIO_PB = 0,
+	SKL_DPCM_AUDIO_DB_PB,
+	SKL_DPCM_AUDIO_CP,
+	SKL_DPCM_AUDIO_REF_CP,
+	SKL_DPCM_AUDIO_DMIC_CP,
+	SKL_DPCM_AUDIO_HDMI1_PB,
+	SKL_DPCM_AUDIO_HDMI2_PB,
+	SKL_DPCM_AUDIO_HDMI3_PB,
+};
+
+/* Headset jack detection DAPM pins */
+static struct snd_soc_jack_pin skylake_headset_pins[] = {
+	{
+		.pin = "Mic Jack",
+		.mask = SND_JACK_MICROPHONE,
+	},
+	{
+		.pin = "Headphone Jack",
+		.mask = SND_JACK_HEADPHONE,
+	},
+};
+
+static const struct snd_kcontrol_new skylake_controls[] = {
+	SOC_DAPM_PIN_SWITCH("Speaker"),
+	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
+	SOC_DAPM_PIN_SWITCH("Mic Jack"),
+};
+
+static const struct snd_soc_dapm_widget skylake_widgets[] = {
+	SND_SOC_DAPM_HP("Headphone Jack", NULL),
+	SND_SOC_DAPM_SPK("Speaker", NULL),
+	SND_SOC_DAPM_MIC("Mic Jack", NULL),
+	SND_SOC_DAPM_MIC("DMIC2", NULL),
+	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
+	SND_SOC_DAPM_SPK("HDMI1", NULL),
+	SND_SOC_DAPM_SPK("HDMI2", NULL),
+	SND_SOC_DAPM_SPK("HDMI3", NULL),
+};
+
+static const struct snd_soc_dapm_route skylake_rt286_map[] = {
+	/* speaker */
+	{"Speaker", NULL, "SPOR"},
+	{"Speaker", NULL, "SPOL"},
+
+	/* HP jack connectors - unknown if we have jack deteck */
+	{"Headphone Jack", NULL, "HPO Pin"},
+
+	/* other jacks */
+	{"MIC1", NULL, "Mic Jack"},
+
+	/* digital mics */
+	{"DMIC1 Pin", NULL, "DMIC2"},
+	{"DMic", NULL, "SoC DMIC"},
+
+	/* CODEC BE connections */
+	{ "AIF1 Playback", NULL, "ssp0 Tx"},
+	{ "ssp0 Tx", NULL, "codec0_out"},
+	{ "ssp0 Tx", NULL, "codec1_out"},
+
+	{ "codec0_in", NULL, "ssp0 Rx" },
+	{ "codec1_in", NULL, "ssp0 Rx" },
+	{ "ssp0 Rx", NULL, "AIF1 Capture" },
+
+	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
+	{ "DMIC01 Rx", NULL, "DMIC AIF" },
+
+	{ "hifi3", NULL, "iDisp3 Tx"},
+	{ "iDisp3 Tx", NULL, "iDisp3_out"},
+	{ "hifi2", NULL, "iDisp2 Tx"},
+	{ "iDisp2 Tx", NULL, "iDisp2_out"},
+	{ "hifi1", NULL, "iDisp1 Tx"},
+	{ "iDisp1 Tx", NULL, "iDisp1_out"},
+
+};
+
+static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_dapm_context *dapm;
+	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
+
+	dapm = snd_soc_component_get_dapm(component);
+	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
+
+	return 0;
+}
+
+static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
+	int ret;
+
+	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
+		SND_JACK_HEADSET | SND_JACK_BTN_0,
+		&skylake_headset,
+		skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
+
+	if (ret)
+		return ret;
+
+	snd_soc_component_set_jack(component, &skylake_headset, NULL);
+
+	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
+
+	return 0;
+}
+
+static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
+{
+	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
+	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
+	struct skl_hdmi_pcm *pcm;
+
+	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
+	if (!pcm)
+		return -ENOMEM;
+
+	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
+	pcm->codec_dai = dai;
+
+	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
+
+	return 0;
+}
+
+static const unsigned int rates[] = {
+	48000,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_rates = {
+	.count = ARRAY_SIZE(rates),
+	.list  = rates,
+	.mask = 0,
+};
+
+static const unsigned int channels[] = {
+	2,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_channels = {
+	.count = ARRAY_SIZE(channels),
+	.list = channels,
+	.mask = 0,
+};
+
+static int skl_fe_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	/*
+	 * on this platform for PCM device we support,
+	 *	48Khz
+	 *	stereo
+	 *	16 bit audio
+	 */
+
+	runtime->hw.channels_max = 2;
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+					   &constraints_channels);
+
+	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
+
+	snd_pcm_hw_constraint_list(runtime, 0,
+				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+
+	return 0;
+}
+
+static const struct snd_soc_ops skylake_rt286_fe_ops = {
+	.startup = skl_fe_startup,
+};
+
+static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
+			struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *rate = hw_param_interval(params,
+			SNDRV_PCM_HW_PARAM_RATE);
+	struct snd_interval *chan = hw_param_interval(params,
+						SNDRV_PCM_HW_PARAM_CHANNELS);
+	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+
+	/* The output is 48KHz, stereo, 16bits */
+	rate->min = rate->max = 48000;
+	chan->min = chan->max = 2;
+
+	/* set SSP0 to 24 bit */
+	snd_mask_none(fmt);
+	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
+	return 0;
+}
+
+static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
+	struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
+	int ret;
+
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
+		SND_SOC_CLOCK_IN);
+	if (ret < 0)
+		dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
+
+	return ret;
+}
+
+static const struct snd_soc_ops skylake_rt286_ops = {
+	.hw_params = skylake_rt286_hw_params,
+};
+
+static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
+				struct snd_pcm_hw_params *params)
+{
+	struct snd_interval *chan = hw_param_interval(params,
+						SNDRV_PCM_HW_PARAM_CHANNELS);
+	if (params_channels(params) == 2)
+		chan->min = chan->max = 2;
+	else
+		chan->min = chan->max = 4;
+
+	return 0;
+}
+
+static const unsigned int channels_dmic[] = {
+	2, 4,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
+	.count = ARRAY_SIZE(channels_dmic),
+	.list = channels_dmic,
+	.mask = 0,
+};
+
+static int skylake_dmic_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_pcm_runtime *runtime = substream->runtime;
+
+	runtime->hw.channels_max = 4;
+	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
+					   &constraints_dmic_channels);
+
+	return snd_pcm_hw_constraint_list(substream->runtime, 0,
+			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
+}
+
+static const struct snd_soc_ops skylake_dmic_ops = {
+	.startup = skylake_dmic_startup,
+};
+
+SND_SOC_DAILINK_DEF(dummy,
+	DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
+SND_SOC_DAILINK_DEF(system,
+	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
+
+SND_SOC_DAILINK_DEF(deepbuffer,
+	DAILINK_COMP_ARRAY(COMP_CPU("Deepbuffer Pin")));
+
+SND_SOC_DAILINK_DEF(reference,
+	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
+
+SND_SOC_DAILINK_DEF(dmic,
+	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
+
+SND_SOC_DAILINK_DEF(hdmi1,
+	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
+
+SND_SOC_DAILINK_DEF(hdmi2,
+	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
+
+SND_SOC_DAILINK_DEF(hdmi3,
+	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
+
+SND_SOC_DAILINK_DEF(ssp0_pin,
+	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
+SND_SOC_DAILINK_DEF(ssp0_codec,
+	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
+
+SND_SOC_DAILINK_DEF(dmic01_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(platform,
+	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
+
+/* skylake digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link skylake_rt286_dais[] = {
+	/* Front End DAI links */
+	[SKL_DPCM_AUDIO_PB] = {
+		.name = "Skl Audio Port",
+		.stream_name = "Audio",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.init = skylake_rt286_fe_init,
+		.trigger = {
+			SND_SOC_DPCM_TRIGGER_POST,
+			SND_SOC_DPCM_TRIGGER_POST
+		},
+		.dpcm_playback = 1,
+		.ops = &skylake_rt286_fe_ops,
+		SND_SOC_DAILINK_REG(system, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_DB_PB] = {
+		.name = "Skl Deepbuffer Port",
+		.stream_name = "Deep Buffer Audio",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {
+			SND_SOC_DPCM_TRIGGER_POST,
+			SND_SOC_DPCM_TRIGGER_POST
+		},
+		.dpcm_playback = 1,
+		.ops = &skylake_rt286_fe_ops,
+		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_CP] = {
+		.name = "Skl Audio Capture Port",
+		.stream_name = "Audio Record",
+		.nonatomic = 1,
+		.dynamic = 1,
+		.trigger = {
+			SND_SOC_DPCM_TRIGGER_POST,
+			SND_SOC_DPCM_TRIGGER_POST
+		},
+		.dpcm_capture = 1,
+		.ops = &skylake_rt286_fe_ops,
+		SND_SOC_DAILINK_REG(system, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_REF_CP] = {
+		.name = "Skl Audio Reference cap",
+		.stream_name = "refcap",
+		.init = NULL,
+		.dpcm_capture = 1,
+		.nonatomic = 1,
+		.dynamic = 1,
+		SND_SOC_DAILINK_REG(reference, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_DMIC_CP] = {
+		.name = "Skl Audio DMIC cap",
+		.stream_name = "dmiccap",
+		.init = NULL,
+		.dpcm_capture = 1,
+		.nonatomic = 1,
+		.dynamic = 1,
+		.ops = &skylake_dmic_ops,
+		SND_SOC_DAILINK_REG(dmic, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_HDMI1_PB] = {
+		.name = "Skl HDMI Port1",
+		.stream_name = "Hdmi1",
+		.dpcm_playback = 1,
+		.init = NULL,
+		.nonatomic = 1,
+		.dynamic = 1,
+		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_HDMI2_PB] = {
+		.name = "Skl HDMI Port2",
+		.stream_name = "Hdmi2",
+		.dpcm_playback = 1,
+		.init = NULL,
+		.nonatomic = 1,
+		.dynamic = 1,
+		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
+	},
+	[SKL_DPCM_AUDIO_HDMI3_PB] = {
+		.name = "Skl HDMI Port3",
+		.stream_name = "Hdmi3",
+		.dpcm_playback = 1,
+		.init = NULL,
+		.nonatomic = 1,
+		.dynamic = 1,
+		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
+	},
+
+	/* Back End DAI links */
+	{
+		/* SSP0 - Codec */
+		.name = "SSP0-Codec",
+		.id = 0,
+		.no_pcm = 1,
+		.init = skylake_rt286_codec_init,
+		.dai_fmt = SND_SOC_DAIFMT_I2S |
+			SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_CBC_CFC,
+		.ignore_pmdown_time = 1,
+		.be_hw_params_fixup = skylake_ssp0_fixup,
+		.ops = &skylake_rt286_ops,
+		.dpcm_playback = 1,
+		.dpcm_capture = 1,
+		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
+	},
+	{
+		.name = "dmic01",
+		.id = 1,
+		.be_hw_params_fixup = skylake_dmic_fixup,
+		.ignore_suspend = 1,
+		.dpcm_capture = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
+	},
+	{
+		.name = "iDisp1",
+		.id = 2,
+		.init = skylake_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
+	},
+	{
+		.name = "iDisp2",
+		.id = 3,
+		.init = skylake_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
+	},
+	{
+		.name = "iDisp3",
+		.id = 4,
+		.init = skylake_hdmi_init,
+		.dpcm_playback = 1,
+		.no_pcm = 1,
+		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
+	},
+};
+
+#define NAME_SIZE	32
+static int skylake_card_late_probe(struct snd_soc_card *card)
+{
+	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
+	struct skl_hdmi_pcm *pcm;
+	struct snd_soc_component *component = NULL;
+	int err, i = 0;
+	char jack_name[NAME_SIZE];
+
+	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, &skylake_hdmi[i]);
+
+		if (err)
+			return err;
+
+		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
+						&skylake_hdmi[i]);
+		if (err < 0)
+			return err;
+
+		i++;
+	}
+
+	if (!component)
+		return -EINVAL;
+
+	return hdac_hdmi_jack_port_init(component, &card->dapm);
+}
+
+/* skylake audio machine driver for SPT + RT286S */
+static struct snd_soc_card skylake_rt286 = {
+	.name = "skylake-rt286",
+	.owner = THIS_MODULE,
+	.dai_link = skylake_rt286_dais,
+	.num_links = ARRAY_SIZE(skylake_rt286_dais),
+	.controls = skylake_controls,
+	.num_controls = ARRAY_SIZE(skylake_controls),
+	.dapm_widgets = skylake_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
+	.dapm_routes = skylake_rt286_map,
+	.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
+	.fully_routed = true,
+	.late_probe = skylake_card_late_probe,
+};
+
+static int skylake_audio_probe(struct platform_device *pdev)
+{
+	struct skl_rt286_private *ctx;
+
+	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
+
+	skylake_rt286.dev = &pdev->dev;
+	snd_soc_card_set_drvdata(&skylake_rt286, ctx);
+
+	return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
+}
+
+static const struct platform_device_id skl_board_ids[] = {
+	{ .name = "skl_alc286s_i2s" },
+	{ .name = "kbl_alc286s_i2s" },
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, skl_board_ids);
+
+static struct platform_driver skylake_audio = {
+	.probe = skylake_audio_probe,
+	.driver = {
+		.name = "skl_alc286s_i2s",
+		.pm = &snd_soc_pm_ops,
+	},
+	.id_table = skl_board_ids,
+
+};
+
+module_platform_driver(skylake_audio)
+
+/* Module information */
+MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
+MODULE_DESCRIPTION("Intel SST Audio for Skylake");
+MODULE_LICENSE("GPL v2");