sound/soc/intel/boards/skl_nau88l25_ssm4567.c - kernel/common - Git at Google

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
  *
  * Copyright (C) 2015, Intel Corporation. All rights reserved.
  *
  * Modified from:
  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
  *
  *   Copyright (C) 2015, 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/soc-acpi.h>
 #include <sound/jack.h>
 #include <sound/pcm_params.h>
 #include "../../codecs/nau8825.h"
 #include "../../codecs/hdac_hdmi.h"

 #define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"
 #define SKL_SSM_CODEC_DAI	"ssm4567-hifi"
 #define DMIC_CH(p)     p->list[p->count-1]

 static struct snd_soc_jack skylake_headset;
 static struct snd_soc_card skylake_audio_card;
 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
 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_nau88125_private {
 	struct list_head hdmi_pcm_list;
 };
 enum {
 	SKL_DPCM_AUDIO_PB = 0,
 	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,
 };

 static const struct snd_kcontrol_new skylake_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Left Speaker"),
 	SOC_DAPM_PIN_SWITCH("Right Speaker"),
 };

 static int platform_clock_control(struct snd_soc_dapm_widget *w,
 		struct snd_kcontrol *k, int  event)
 {
 	struct snd_soc_dapm_context *dapm = w->dapm;
 	struct snd_soc_card *card = dapm->card;
 	struct snd_soc_dai *codec_dai;
 	int ret;

 	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
 	if (!codec_dai) {
 		dev_err(card->dev, "Codec dai not found\n");
 		return -EIO;
 	}

 	if (SND_SOC_DAPM_EVENT_ON(event)) {
 		ret = snd_soc_dai_set_sysclk(codec_dai,
 				NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
 		if (ret < 0) {
 			dev_err(card->dev, "set sysclk err = %d\n", ret);
 			return -EIO;
 		}
 	} else {
 		ret = snd_soc_dai_set_sysclk(codec_dai,
 				NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
 		if (ret < 0) {
 			dev_err(card->dev, "set sysclk err = %d\n", ret);
 			return -EIO;
 		}
 	}
 	return ret;
 }

 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_SPK("Left Speaker", NULL),
 	SND_SOC_DAPM_SPK("Right Speaker", NULL),
 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 	SND_SOC_DAPM_SPK("DP1", NULL),
 	SND_SOC_DAPM_SPK("DP2", NULL),
 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
 			SND_SOC_DAPM_POST_PMD),
 };

 static const struct snd_soc_dapm_route skylake_map[] = {
 	/* HP jack connectors - unknown if we have jack detection */
 	{"Headphone Jack", NULL, "HPOL"},
 	{"Headphone Jack", NULL, "HPOR"},

 	/* speaker */
 	{"Left Speaker", NULL, "Left OUT"},
 	{"Right Speaker", NULL, "Right OUT"},

 	/* other jacks */
 	{"MIC", NULL, "Headset Mic"},
 	{"DMic", NULL, "SoC DMIC"},

 	/* CODEC BE connections */
 	{ "Left Playback", NULL, "ssp0 Tx"},
 	{ "Right Playback", NULL, "ssp0 Tx"},
 	{ "ssp0 Tx", NULL, "codec0_out"},

 	/* IV feedback path */
 	{ "codec0_lp_in", NULL, "ssp0 Rx"},
 	{ "ssp0 Rx", NULL, "Left Capture Sense" },
 	{ "ssp0 Rx", NULL, "Right Capture Sense" },

 	{ "Playback", NULL, "ssp1 Tx"},
 	{ "ssp1 Tx", NULL, "codec1_out"},

 	{ "codec0_in", NULL, "ssp1 Rx" },
 	{ "ssp1 Rx", NULL, "Capture" },

 	/* DMIC */
 	{ "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"},

 	{ "Headphone Jack", NULL, "Platform Clock" },
 	{ "Headset Mic", NULL, "Platform Clock" },
 };

 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
 	{
 		.dev_name = "i2c-INT343B:00",
 		.name_prefix = "Left",
 	},
 	{
 		.dev_name = "i2c-INT343B:01",
 		.name_prefix = "Right",
 	},
 };

 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;

 	/* Slot 1 for left */
 	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
 	if (ret < 0)
 		return ret;

 	/* Slot 2 for right */
 	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
 	if (ret < 0)
 		return ret;

 	return ret;
 }

 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;
 	struct snd_soc_component *component = rtd->codec_dai->component;

 	/*
 	 * 4 buttons here map to the google Reference headset
 	 * The use of these buttons can be decided by the user space.
 	 */
 	ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
 		SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 		SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
 		NULL, 0);
 	if (ret) {
 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
 		return ret;
 	}

 	nau8825_enable_jack_detect(component, &skylake_headset);

 	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");

 	return ret;
 }

 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *dai = rtd->codec_dai;
 	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;
 	pcm->codec_dai = dai;

 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

 	return 0;
 }

 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *dai = rtd->codec_dai;
 	struct skl_hdmi_pcm *pcm;

 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 	if (!pcm)
 		return -ENOMEM;

 	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
 	pcm->codec_dai = dai;

 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

 	return 0;
 }


 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
 	struct snd_soc_dai *dai = rtd->codec_dai;
 	struct skl_hdmi_pcm *pcm;

 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
 	if (!pcm)
 		return -ENOMEM;

 	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
 	pcm->codec_dai = dai;

 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

 	return 0;
 }

 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
 {
 	struct snd_soc_dapm_context *dapm;
 	struct snd_soc_component *component = rtd->cpu_dai->component;

 	dapm = snd_soc_component_get_dapm(component);
 	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");

 	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_nau8825_fe_ops = {
 	.startup = skl_fe_startup,
 };

 static int skylake_ssp_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 *channels = hw_param_interval(params,
 						SNDRV_PCM_HW_PARAM_CHANNELS);
 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

 	/* The ADSP will covert the FE rate to 48k, stereo */
 	rate->min = rate->max = 48000;
 	channels->min = channels->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_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 			struct snd_pcm_hw_params *params)
 {
 	struct snd_interval *channels = hw_param_interval(params,
 						SNDRV_PCM_HW_PARAM_CHANNELS);
 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
 		channels->min = channels->max = 2;
 	else
 		channels->min = channels->max = 4;

 	return 0;
 }

 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
 	int ret;

 	ret = snd_soc_dai_set_sysclk(codec_dai,
 			NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);

 	if (ret < 0)
 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);

 	return ret;
 }

 static const struct snd_soc_ops skylake_nau8825_ops = {
 	.hw_params = skylake_nau8825_hw_params,
 };

 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 const unsigned int dmic_2ch[] = {
 	2,
 };

 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
 	.count = ARRAY_SIZE(dmic_2ch),
 	.list = dmic_2ch,
 	.mask = 0,
 };

 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;

 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 			dmic_constraints);

 	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,
 };

 static const unsigned int rates_16000[] = {
 	16000,
 };

 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
 	.count = ARRAY_SIZE(rates_16000),
 	.list  = rates_16000,
 };

 static const unsigned int ch_mono[] = {
 	1,
 };

 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
 	.count = ARRAY_SIZE(ch_mono),
 	.list  = ch_mono,
 };

 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
 {
 	substream->runtime->hw.channels_max = 1;
 	snd_pcm_hw_constraint_list(substream->runtime, 0,
 					SNDRV_PCM_HW_PARAM_CHANNELS,
 					&constraints_refcap);

 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
 			SNDRV_PCM_HW_PARAM_RATE,
 			&constraints_16000);
 }

 static const struct snd_soc_ops skylake_refcap_ops = {
 	.startup = skylake_refcap_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(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(
 	/* Left */	COMP_CODEC("i2c-INT343B:00", SKL_SSM_CODEC_DAI),
 	/* Right */	COMP_CODEC("i2c-INT343B:01", SKL_SSM_CODEC_DAI)));

 SND_SOC_DAILINK_DEF(ssp1_pin,
 	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
 SND_SOC_DAILINK_DEF(ssp1_codec,
 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", SKL_NUVOTON_CODEC_DAI)));

 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_dais[] = {
 	/* Front End DAI links */
 	[SKL_DPCM_AUDIO_PB] = {
 		.name = "Skl Audio Port",
 		.stream_name = "Audio",
 		.dynamic = 1,
 		.nonatomic = 1,
 		.init = skylake_nau8825_fe_init,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 		.dpcm_playback = 1,
 		.ops = &skylake_nau8825_fe_ops,
 		SND_SOC_DAILINK_REG(system, dummy, platform),
 	},
 	[SKL_DPCM_AUDIO_CP] = {
 		.name = "Skl Audio Capture Port",
 		.stream_name = "Audio Record",
 		.dynamic = 1,
 		.nonatomic = 1,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 		.dpcm_capture = 1,
 		.ops = &skylake_nau8825_fe_ops,
 		SND_SOC_DAILINK_REG(system, dummy, platform),
 	},
 	[SKL_DPCM_AUDIO_REF_CP] = {
 		.name = "Skl Audio Reference cap",
 		.stream_name = "Wake on Voice",
 		.init = NULL,
 		.dpcm_capture = 1,
 		.nonatomic = 1,
 		.dynamic = 1,
 		.ops = &skylake_refcap_ops,
 		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,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 		.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,
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 		.nonatomic = 1,
 		.dynamic = 1,
 		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
 	},
 	[SKL_DPCM_AUDIO_HDMI3_PB] = {
 		.name = "Skl HDMI Port3",
 		.stream_name = "Hdmi3",
 		.trigger = {
 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
 		.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,
 		.dai_fmt = SND_SOC_DAIFMT_DSP_A |
 			SND_SOC_DAIFMT_IB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
 		.init = skylake_ssm4567_codec_init,
 		.ignore_pmdown_time = 1,
 		.be_hw_params_fixup = skylake_ssp_fixup,
 		.dpcm_playback = 1,
 		.dpcm_capture = 1,
 		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
 	},
 	{
 		/* SSP1 - Codec */
 		.name = "SSP1-Codec",
 		.id = 1,
 		.no_pcm = 1,
 		.init = skylake_nau8825_codec_init,
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
 		.ignore_pmdown_time = 1,
 		.be_hw_params_fixup = skylake_ssp_fixup,
 		.ops = &skylake_nau8825_ops,
 		.dpcm_playback = 1,
 		.dpcm_capture = 1,
 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
 	},
 	{
 		.name = "dmic01",
 		.id = 2,
 		.ignore_suspend = 1,
 		.be_hw_params_fixup = skylake_dmic_fixup,
 		.dpcm_capture = 1,
 		.no_pcm = 1,
 		SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
 	},
 	{
 		.name = "iDisp1",
 		.id = 3,
 		.dpcm_playback = 1,
 		.init = skylake_hdmi1_init,
 		.no_pcm = 1,
 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
 	},
 	{
 		.name = "iDisp2",
 		.id = 4,
 		.init = skylake_hdmi2_init,
 		.dpcm_playback = 1,
 		.no_pcm = 1,
 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
 	},
 	{
 		.name = "iDisp3",
 		.id = 5,
 		.init = skylake_hdmi3_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_nau88125_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],
 					NULL, 0);

 		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 + NAU88L25 */
 static struct snd_soc_card skylake_audio_card = {
 	.name = "sklnau8825adi",
 	.owner = THIS_MODULE,
 	.dai_link = skylake_dais,
 	.num_links = ARRAY_SIZE(skylake_dais),
 	.controls = skylake_controls,
 	.num_controls = ARRAY_SIZE(skylake_controls),
 	.dapm_widgets = skylake_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
 	.dapm_routes = skylake_map,
 	.num_dapm_routes = ARRAY_SIZE(skylake_map),
 	.codec_conf = ssm4567_codec_conf,
 	.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
 	.fully_routed = true,
 	.late_probe = skylake_card_late_probe,
 };

 static int skylake_audio_probe(struct platform_device *pdev)
 {
 	struct skl_nau88125_private *ctx;
 	struct snd_soc_acpi_mach *mach;

 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;

 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

 	skylake_audio_card.dev = &pdev->dev;
 	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);

 	mach = (&pdev->dev)->platform_data;
 	if (mach)
 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
 			&constraints_dmic_2ch : &constraints_dmic_channels;

 	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
 }

 static const struct platform_device_id skl_board_ids[] = {
 	{ .name = "skl_n88l25_s4567" },
 	{ .name = "kbl_n88l25_s4567" },
 	{ }
 };

 static struct platform_driver skylake_audio = {
 	.probe = skylake_audio_probe,
 	.driver = {
 		.name = "skl_n88l25_s4567",
 		.pm = &snd_soc_pm_ops,
 	},
 	.id_table = skl_board_ids,
 };

 module_platform_driver(skylake_audio)

 /* Module information */
 MODULE_AUTHOR("Conrad Cooke  <[email protected]>");
 MODULE_AUTHOR("Harsha Priya <[email protected]>");
 MODULE_AUTHOR("Naveen M <[email protected]>");
 MODULE_AUTHOR("Sathya Prakash M R <[email protected]>");
 MODULE_AUTHOR("Yong Zhi <[email protected]>");
 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:skl_n88l25_s4567");
 MODULE_ALIAS("platform:kbl_n88l25_s4567");
	// SPDX-License-Identifier: GPL-2.0-only
	/*
	* Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
	*
	* Copyright (C) 2015, Intel Corporation. All rights reserved.
	*
	* Modified from:
	* Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
	*
	* Copyright (C) 2015, 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/soc-acpi.h>
	#include <sound/jack.h>
	#include <sound/pcm_params.h>
	#include "../../codecs/nau8825.h"
	#include "../../codecs/hdac_hdmi.h"

	#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
	#define SKL_SSM_CODEC_DAI "ssm4567-hifi"
	#define DMIC_CH(p) p->list[p->count-1]

	static struct snd_soc_jack skylake_headset;
	static struct snd_soc_card skylake_audio_card;
	static const struct snd_pcm_hw_constraint_list *dmic_constraints;
	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_nau88125_private {
	struct list_head hdmi_pcm_list;
	};
	enum {
	SKL_DPCM_AUDIO_PB = 0,
	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,
	};

	static const struct snd_kcontrol_new skylake_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Left Speaker"),
	SOC_DAPM_PIN_SWITCH("Right Speaker"),
	};

	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *k, int event)
	{
	struct snd_soc_dapm_context *dapm = w->dapm;
	struct snd_soc_card *card = dapm->card;
	struct snd_soc_dai *codec_dai;
	int ret;

	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
	if (!codec_dai) {
	dev_err(card->dev, "Codec dai not found\n");
	return -EIO;
	}

	if (SND_SOC_DAPM_EVENT_ON(event)) {
	ret = snd_soc_dai_set_sysclk(codec_dai,
	NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
	if (ret < 0) {
	dev_err(card->dev, "set sysclk err = %d\n", ret);
	return -EIO;
	}
	} else {
	ret = snd_soc_dai_set_sysclk(codec_dai,
	NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
	if (ret < 0) {
	dev_err(card->dev, "set sysclk err = %d\n", ret);
	return -EIO;
	}
	}
	return ret;
	}

	static const struct snd_soc_dapm_widget skylake_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_SPK("Left Speaker", NULL),
	SND_SOC_DAPM_SPK("Right Speaker", NULL),
	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
	SND_SOC_DAPM_SPK("DP1", NULL),
	SND_SOC_DAPM_SPK("DP2", NULL),
	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
	platform_clock_control, SND_SOC_DAPM_PRE_PMU \|
	SND_SOC_DAPM_POST_PMD),
	};

	static const struct snd_soc_dapm_route skylake_map[] = {
	/* HP jack connectors - unknown if we have jack detection */
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},

	/* speaker */
	{"Left Speaker", NULL, "Left OUT"},
	{"Right Speaker", NULL, "Right OUT"},

	/* other jacks */
	{"MIC", NULL, "Headset Mic"},
	{"DMic", NULL, "SoC DMIC"},

	/* CODEC BE connections */
	{ "Left Playback", NULL, "ssp0 Tx"},
	{ "Right Playback", NULL, "ssp0 Tx"},
	{ "ssp0 Tx", NULL, "codec0_out"},

	/* IV feedback path */
	{ "codec0_lp_in", NULL, "ssp0 Rx"},
	{ "ssp0 Rx", NULL, "Left Capture Sense" },
	{ "ssp0 Rx", NULL, "Right Capture Sense" },

	{ "Playback", NULL, "ssp1 Tx"},
	{ "ssp1 Tx", NULL, "codec1_out"},

	{ "codec0_in", NULL, "ssp1 Rx" },
	{ "ssp1 Rx", NULL, "Capture" },

	/* DMIC */
	{ "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"},

	{ "Headphone Jack", NULL, "Platform Clock" },
	{ "Headset Mic", NULL, "Platform Clock" },
	};

	static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
	{
	.dev_name = "i2c-INT343B:00",
	.name_prefix = "Left",
	},
	{
	.dev_name = "i2c-INT343B:01",
	.name_prefix = "Right",
	},
	};

	static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
	{
	int ret;

	/* Slot 1 for left */
	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
	if (ret < 0)
	return ret;

	/* Slot 2 for right */
	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
	if (ret < 0)
	return ret;

	return ret;
	}

	static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
	{
	int ret;
	struct snd_soc_component *component = rtd->codec_dai->component;

	/*
	* 4 buttons here map to the google Reference headset
	* The use of these buttons can be decided by the user space.
	*/
	ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
	SND_JACK_HEADSET \| SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	SND_JACK_BTN_2 \| SND_JACK_BTN_3, &skylake_headset,
	NULL, 0);
	if (ret) {
	dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
	return ret;
	}

	nau8825_enable_jack_detect(component, &skylake_headset);

	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");

	return ret;
	}

	static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	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;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
	}

	static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	struct skl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
	return -ENOMEM;

	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
	}


	static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = rtd->codec_dai;
	struct skl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
	return -ENOMEM;

	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
	}

	static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
	{
	struct snd_soc_dapm_context *dapm;
	struct snd_soc_component *component = rtd->cpu_dai->component;

	dapm = snd_soc_component_get_dapm(component);
	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");

	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_nau8825_fe_ops = {
	.startup = skl_fe_startup,
	};

	static int skylake_ssp_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 *channels = hw_param_interval(params,
	SNDRV_PCM_HW_PARAM_CHANNELS);
	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

	/* The ADSP will covert the FE rate to 48k, stereo */
	rate->min = rate->max = 48000;
	channels->min = channels->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_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
	struct snd_pcm_hw_params *params)
	{
	struct snd_interval *channels = hw_param_interval(params,
	SNDRV_PCM_HW_PARAM_CHANNELS);
	if (params_channels(params) == 2 \|\| DMIC_CH(dmic_constraints) == 2)
	channels->min = channels->max = 2;
	else
	channels->min = channels->max = 4;

	return 0;
	}

	static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
	{
	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	struct snd_soc_dai *codec_dai = rtd->codec_dai;
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai,
	NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);

	if (ret < 0)
	dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);

	return ret;
	}

	static const struct snd_soc_ops skylake_nau8825_ops = {
	.hw_params = skylake_nau8825_hw_params,
	};

	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 const unsigned int dmic_2ch[] = {
	2,
	};

	static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
	.count = ARRAY_SIZE(dmic_2ch),
	.list = dmic_2ch,
	.mask = 0,
	};

	static int skylake_dmic_startup(struct snd_pcm_substream *substream)
	{
	struct snd_pcm_runtime *runtime = substream->runtime;

	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
	dmic_constraints);

	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,
	};

	static const unsigned int rates_16000[] = {
	16000,
	};

	static const struct snd_pcm_hw_constraint_list constraints_16000 = {
	.count = ARRAY_SIZE(rates_16000),
	.list = rates_16000,
	};

	static const unsigned int ch_mono[] = {
	1,
	};

	static const struct snd_pcm_hw_constraint_list constraints_refcap = {
	.count = ARRAY_SIZE(ch_mono),
	.list = ch_mono,
	};

	static int skylake_refcap_startup(struct snd_pcm_substream *substream)
	{
	substream->runtime->hw.channels_max = 1;
	snd_pcm_hw_constraint_list(substream->runtime, 0,
	SNDRV_PCM_HW_PARAM_CHANNELS,
	&constraints_refcap);

	return snd_pcm_hw_constraint_list(substream->runtime, 0,
	SNDRV_PCM_HW_PARAM_RATE,
	&constraints_16000);
	}

	static const struct snd_soc_ops skylake_refcap_ops = {
	.startup = skylake_refcap_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(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(
	/* Left */ COMP_CODEC("i2c-INT343B:00", SKL_SSM_CODEC_DAI),
	/* Right */ COMP_CODEC("i2c-INT343B:01", SKL_SSM_CODEC_DAI)));

	SND_SOC_DAILINK_DEF(ssp1_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
	SND_SOC_DAILINK_DEF(ssp1_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", SKL_NUVOTON_CODEC_DAI)));

	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_dais[] = {
	/* Front End DAI links */
	[SKL_DPCM_AUDIO_PB] = {
	.name = "Skl Audio Port",
	.stream_name = "Audio",
	.dynamic = 1,
	.nonatomic = 1,
	.init = skylake_nau8825_fe_init,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	.dpcm_playback = 1,
	.ops = &skylake_nau8825_fe_ops,
	SND_SOC_DAILINK_REG(system, dummy, platform),
	},
	[SKL_DPCM_AUDIO_CP] = {
	.name = "Skl Audio Capture Port",
	.stream_name = "Audio Record",
	.dynamic = 1,
	.nonatomic = 1,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	.dpcm_capture = 1,
	.ops = &skylake_nau8825_fe_ops,
	SND_SOC_DAILINK_REG(system, dummy, platform),
	},
	[SKL_DPCM_AUDIO_REF_CP] = {
	.name = "Skl Audio Reference cap",
	.stream_name = "Wake on Voice",
	.init = NULL,
	.dpcm_capture = 1,
	.nonatomic = 1,
	.dynamic = 1,
	.ops = &skylake_refcap_ops,
	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,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	.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,
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	.nonatomic = 1,
	.dynamic = 1,
	SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
	},
	[SKL_DPCM_AUDIO_HDMI3_PB] = {
	.name = "Skl HDMI Port3",
	.stream_name = "Hdmi3",
	.trigger = {
	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	.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,
	.dai_fmt = SND_SOC_DAIFMT_DSP_A \|
	SND_SOC_DAIFMT_IB_NF \|
	SND_SOC_DAIFMT_CBS_CFS,
	.init = skylake_ssm4567_codec_init,
	.ignore_pmdown_time = 1,
	.be_hw_params_fixup = skylake_ssp_fixup,
	.dpcm_playback = 1,
	.dpcm_capture = 1,
	SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
	},
	{
	/* SSP1 - Codec */
	.name = "SSP1-Codec",
	.id = 1,
	.no_pcm = 1,
	.init = skylake_nau8825_codec_init,
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	SND_SOC_DAIFMT_CBS_CFS,
	.ignore_pmdown_time = 1,
	.be_hw_params_fixup = skylake_ssp_fixup,
	.ops = &skylake_nau8825_ops,
	.dpcm_playback = 1,
	.dpcm_capture = 1,
	SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
	},
	{
	.name = "dmic01",
	.id = 2,
	.ignore_suspend = 1,
	.be_hw_params_fixup = skylake_dmic_fixup,
	.dpcm_capture = 1,
	.no_pcm = 1,
	SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
	},
	{
	.name = "iDisp1",
	.id = 3,
	.dpcm_playback = 1,
	.init = skylake_hdmi1_init,
	.no_pcm = 1,
	SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
	},
	{
	.name = "iDisp2",
	.id = 4,
	.init = skylake_hdmi2_init,
	.dpcm_playback = 1,
	.no_pcm = 1,
	SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
	},
	{
	.name = "iDisp3",
	.id = 5,
	.init = skylake_hdmi3_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_nau88125_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],
	NULL, 0);

	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 + NAU88L25 */
	static struct snd_soc_card skylake_audio_card = {
	.name = "sklnau8825adi",
	.owner = THIS_MODULE,
	.dai_link = skylake_dais,
	.num_links = ARRAY_SIZE(skylake_dais),
	.controls = skylake_controls,
	.num_controls = ARRAY_SIZE(skylake_controls),
	.dapm_widgets = skylake_widgets,
	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
	.dapm_routes = skylake_map,
	.num_dapm_routes = ARRAY_SIZE(skylake_map),
	.codec_conf = ssm4567_codec_conf,
	.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
	.fully_routed = true,
	.late_probe = skylake_card_late_probe,
	};

	static int skylake_audio_probe(struct platform_device *pdev)
	{
	struct skl_nau88125_private *ctx;
	struct snd_soc_acpi_mach *mach;

	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
	if (!ctx)
	return -ENOMEM;

	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

	skylake_audio_card.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);

	mach = (&pdev->dev)->platform_data;
	if (mach)
	dmic_constraints = mach->mach_params.dmic_num == 2 ?
	&constraints_dmic_2ch : &constraints_dmic_channels;

	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
	}

	static const struct platform_device_id skl_board_ids[] = {
	{ .name = "skl_n88l25_s4567" },
	{ .name = "kbl_n88l25_s4567" },
	{ }
	};

	static struct platform_driver skylake_audio = {
	.probe = skylake_audio_probe,
	.driver = {
	.name = "skl_n88l25_s4567",
	.pm = &snd_soc_pm_ops,
	},
	.id_table = skl_board_ids,
	};

	module_platform_driver(skylake_audio)

	/* Module information */
	MODULE_AUTHOR("Conrad Cooke <[email protected]>");
	MODULE_AUTHOR("Harsha Priya <[email protected]>");
	MODULE_AUTHOR("Naveen M <[email protected]>");
	MODULE_AUTHOR("Sathya Prakash M R <[email protected]>");
	MODULE_AUTHOR("Yong Zhi <[email protected]>");
	MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
	MODULE_LICENSE("GPL v2");
	MODULE_ALIAS("platform:skl_n88l25_s4567");
	MODULE_ALIAS("platform:kbl_n88l25_s4567");