text: // SPDX-License-Identifier: GPL-2.0-only
  /*
   * Intel Broxton-P I2S Machine Driver
   *
   * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
   *
   * Modified from:
   *   Intel Skylake I2S Machine driver
   */
  
  #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/hdac_hdmi.h"
  #include "../../codecs/rt298.h"
  #include "hda_dsp_common.h"
  
  /* Headset jack detection DAPM pins */
  static struct snd_soc_jack broxton_headset;
  static struct snd_soc_jack broxton_hdmi[3];
  
  struct bxt_hdmi_pcm {
  	struct list_head head;
  	struct snd_soc_dai *codec_dai;
  	int device;
  };
  
  struct bxt_rt286_private {
  	struct list_head hdmi_pcm_list;
  	bool common_hdmi_codec_drv;
  };
  
  enum {
  	BXT_DPCM_AUDIO_PB = 0,
  	BXT_DPCM_AUDIO_CP,
  	BXT_DPCM_AUDIO_REF_CP,
  	BXT_DPCM_AUDIO_DMIC_CP,
  	BXT_DPCM_AUDIO_HDMI1_PB,
  	BXT_DPCM_AUDIO_HDMI2_PB,
  	BXT_DPCM_AUDIO_HDMI3_PB,
  };
  
  static struct snd_soc_jack_pin broxton_headset_pins[] = {
  	{
  		.pin = "Mic Jack",
  		.mask = SND_JACK_MICROPHONE,
  	},
  	{
  		.pin = "Headphone Jack",
  		.mask = SND_JACK_HEADPHONE,
  	},
  };
  
  static const struct snd_kcontrol_new broxton_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 broxton_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 broxton_rt298_map[] = {
  	/* speaker */
  	{"Speaker", NULL, "SPOR"},
  	{"Speaker", NULL, "SPOL"},
  
  	/* HP jack connectors - unknown if we have jack detect */
  	{"Headphone Jack", NULL, "HPO Pin"},
  
  	/* other jacks */
  	{"MIC1", NULL, "Mic Jack"},
  
  	/* digital mics */
  	{"DMIC1 Pin", NULL, "DMIC2"},
  	{"DMic", NULL, "SoC DMIC"},
  
  	{"HDMI1", NULL, "hif5-0 Output"},
  	{"HDMI2", NULL, "hif6-0 Output"},
  	{"HDMI2", NULL, "hif7-0 Output"},
  
  	/* CODEC BE connections */
  	{ "AIF1 Playback", NULL, "ssp5 Tx"},
  	{ "ssp5 Tx", NULL, "codec0_out"},
  	{ "ssp5 Tx", NULL, "codec1_out"},
  
  	{ "codec0_in", NULL, "ssp5 Rx" },
  	{ "ssp5 Rx", NULL, "AIF1 Capture" },
  
  	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
  	{ "DMIC01 Rx", NULL, "Capture" },
  
  	{ "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 const struct snd_soc_dapm_route geminilake_rt298_map[] = {
  	/* speaker */
  	{"Speaker", NULL, "SPOR"},
  	{"Speaker", NULL, "SPOL"},
  
  	/* HP jack connectors - unknown if we have jack detect */
  	{"Headphone Jack", NULL, "HPO Pin"},
  
  	/* other jacks */
  	{"MIC1", NULL, "Mic Jack"},
  
  	/* digital mics */
  	{"DMIC1 Pin", NULL, "DMIC2"},
  	{"DMic", NULL, "SoC DMIC"},
  
  	{"HDMI1", NULL, "hif5-0 Output"},
  	{"HDMI2", NULL, "hif6-0 Output"},
  	{"HDMI2", NULL, "hif7-0 Output"},
  
  	/* CODEC BE connections */
  	{ "AIF1 Playback", NULL, "ssp2 Tx"},
  	{ "ssp2 Tx", NULL, "codec0_out"},
  	{ "ssp2 Tx", NULL, "codec1_out"},
  
  	{ "codec0_in", NULL, "ssp2 Rx" },
  	{ "ssp2 Rx", NULL, "AIF1 Capture" },
  
  	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
  	{ "DMIC01 Rx", NULL, "Capture" },
  
  	{ "dmic_voice", NULL, "DMIC16k Rx" },
  	{ "DMIC16k Rx", NULL, "Capture" },
  
  	{ "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 broxton_rt298_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 broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
  {
  	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
  	int ret = 0;
  
  	ret = snd_soc_card_jack_new(rtd->card, "Headset",
  		SND_JACK_HEADSET | SND_JACK_BTN_0,
  		&broxton_headset,
  		broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
  
  	if (ret)
  		return ret;
  
  	rt298_mic_detect(component, &broxton_headset);
  
  	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
  
  	return 0;
  }
  
  static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
  {
  	struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
  	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
  	struct bxt_hdmi_pcm *pcm;
  
  	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
  	if (!pcm)
  		return -ENOMEM;
  
  	pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
  	pcm->codec_dai = dai;
  
  	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
  
  	return 0;
  }
  
  static int broxton_ssp5_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 ADSP will covert the FE rate to 48k, stereo */
  	rate->min = rate->max = 48000;
  	chan->min = chan->max = 2;
  
  	/* set SSP5 to 24 bit */
  	snd_mask_none(fmt);
  	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
  
  	return 0;
  }
  
  static int broxton_rt298_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, RT298_SCLK_S_PLL,
  					19200000, SND_SOC_CLOCK_IN);
  	if (ret < 0) {
  		dev_err(rtd->dev, "can't set codec sysclk configuration\n");
  		return ret;
  	}
  
  	return ret;
  }
  
  static const struct snd_soc_ops broxton_rt298_ops = {
  	.hw_params = broxton_rt298_hw_params,
  };
  
  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 int broxton_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);
  	chan->min = chan->max = 4;
  
  	return 0;
  }
  
  static const unsigned int channels_dmic[] = {
  	1, 2, 3, 4,
  };
  
  static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
  	.count = ARRAY_SIZE(channels_dmic),
  	.list = channels_dmic,
  	.mask = 0,
  };
  
  static int broxton_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 broxton_dmic_ops = {
  	.startup = broxton_dmic_startup,
  };
  
  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 bxt_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 broxton_rt286_fe_ops = {
  	.startup = bxt_fe_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(ssp5_pin,
  	DAILINK_COMP_ARRAY(COMP_CPU("SSP5 Pin")));
  SND_SOC_DAILINK_DEF(ssp5_codec,
  	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00",
  				      "rt298-aif1")));
  
  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(dmic16k,
  	DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
  
  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("0000:00:0e.0")));
  
  /* broxton digital audio interface glue - connects codec <--> CPU */
  static struct snd_soc_dai_link broxton_rt298_dais[] = {
  	/* Front End DAI links */
  	[BXT_DPCM_AUDIO_PB] =
  	{
  		.name = "Bxt Audio Port",
  		.stream_name = "Audio",
  		.nonatomic = 1,
  		.dynamic = 1,
  		.init = broxton_rt298_fe_init,
  		.trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
  		.dpcm_playback = 1,
  		.ops = &broxton_rt286_fe_ops,
  		SND_SOC_DAILINK_REG(system, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_CP] =
  	{
  		.name = "Bxt 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 = &broxton_rt286_fe_ops,
  		SND_SOC_DAILINK_REG(system, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_REF_CP] =
  	{
  		.name = "Bxt Audio Reference cap",
  		.stream_name = "refcap",
  		.init = NULL,
  		.dpcm_capture = 1,
  		.nonatomic = 1,
  		.dynamic = 1,
  		SND_SOC_DAILINK_REG(reference, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_DMIC_CP] =
  	{
  		.name = "Bxt Audio DMIC cap",
  		.stream_name = "dmiccap",
  		.init = NULL,
  		.dpcm_capture = 1,
  		.nonatomic = 1,
  		.dynamic = 1,
  		.ops = &broxton_dmic_ops,
  		SND_SOC_DAILINK_REG(dmic, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_HDMI1_PB] =
  	{
  		.name = "Bxt HDMI Port1",
  		.stream_name = "Hdmi1",
  		.dpcm_playback = 1,
  		.init = NULL,
  		.nonatomic = 1,
  		.dynamic = 1,
  		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_HDMI2_PB] =
  	{
  		.name = "Bxt HDMI Port2",
  		.stream_name = "Hdmi2",
  		.dpcm_playback = 1,
  		.init = NULL,
  		.nonatomic = 1,
  		.dynamic = 1,
  		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
  	},
  	[BXT_DPCM_AUDIO_HDMI3_PB] =
  	{
  		.name = "Bxt 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 */
  	{
  		/* SSP5 - Codec */
  		.name = "SSP5-Codec",
  		.id = 0,
  		.no_pcm = 1,
  		.init = broxton_rt298_codec_init,
  		.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
  						SND_SOC_DAIFMT_CBS_CFS,
  		.ignore_pmdown_time = 1,
  		.be_hw_params_fixup = broxton_ssp5_fixup,
  		.ops = &broxton_rt298_ops,
  		.dpcm_playback = 1,
  		.dpcm_capture = 1,
  		SND_SOC_DAILINK_REG(ssp5_pin, ssp5_codec, platform),
  	},
  	{
  		.name = "dmic01",
  		.id = 1,
  		.be_hw_params_fixup = broxton_dmic_fixup,
  		.ignore_suspend = 1,
  		.dpcm_capture = 1,
  		.no_pcm = 1,
  		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
  	},
  	{
  		.name = "dmic16k",
  		.id = 2,
  		.be_hw_params_fixup = broxton_dmic_fixup,
  		.ignore_suspend = 1,
  		.dpcm_capture = 1,
  		.no_pcm = 1,
  		SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
  	},
  	{
  		.name = "iDisp1",
  		.id = 3,
  		.init = broxton_hdmi_init,
  		.dpcm_playback = 1,
  		.no_pcm = 1,
  		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
  	},
  	{
  		.name = "iDisp2",
  		.id = 4,
  		.init = broxton_hdmi_init,
  		.dpcm_playback = 1,
  		.no_pcm = 1,
  		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
  	},
  	{
  		.name = "iDisp3",
  		.id = 5,
  		.init = broxton_hdmi_init,
  		.dpcm_playback = 1,
  		.no_pcm = 1,
  		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
  	},
  };
  
  #define NAME_SIZE	32
  static int bxt_card_late_probe(struct snd_soc_card *card)
  {
  	struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
  	struct bxt_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 bxt_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, &broxton_hdmi[i],
  					NULL, 0);
  
  		if (err)
  			return err;
  
  		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
  						&broxton_hdmi[i]);
  		if (err < 0)
  			return err;
  
  		i++;
  	}
  
  	return hdac_hdmi_jack_port_init(component, &card->dapm);
  }
  
  
  /* broxton audio machine driver for SPT + RT298S */
  static struct snd_soc_card broxton_rt298 = {
  	.name = "broxton-rt298",
  	.owner = THIS_MODULE,
  	.dai_link = broxton_rt298_dais,
  	.num_links = ARRAY_SIZE(broxton_rt298_dais),
  	.controls = broxton_controls,
  	.num_controls = ARRAY_SIZE(broxton_controls),
  	.dapm_widgets = broxton_widgets,
  	.num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
  	.dapm_routes = broxton_rt298_map,
  	.num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
  	.fully_routed = true,
  	.late_probe = bxt_card_late_probe,
  
  };
  
  static struct snd_soc_card geminilake_rt298 = {
  	.name = "geminilake-rt298",
  	.owner = THIS_MODULE,
  	.dai_link = broxton_rt298_dais,
  	.num_links = ARRAY_SIZE(broxton_rt298_dais),
  	.controls = broxton_controls,
  	.num_controls = ARRAY_SIZE(broxton_controls),
  	.dapm_widgets = broxton_widgets,
  	.num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
  	.dapm_routes = geminilake_rt298_map,
  	.num_dapm_routes = ARRAY_SIZE(geminilake_rt298_map),
  	.fully_routed = true,
  	.late_probe = bxt_card_late_probe,
  };
  
  static int broxton_audio_probe(struct platform_device *pdev)
  {
  	struct bxt_rt286_private *ctx;
  	struct snd_soc_card *card =
  			(struct snd_soc_card *)pdev->id_entry->driver_data;
  	struct snd_soc_acpi_mach *mach;
  	const char *platform_name;
  	int ret;
  	int i;
  
  	for (i = 0; i < ARRAY_SIZE(broxton_rt298_dais); i++) {
  		if (!strncmp(card->dai_link[i].codecs->name, "i2c-INT343A:00",
  			     I2C_NAME_SIZE)) {
  			if (!strncmp(card->name, "broxton-rt298",
  				     PLATFORM_NAME_SIZE)) {
  				card->dai_link[i].name = "SSP5-Codec";
  				card->dai_link[i].cpus->dai_name = "SSP5 Pin";
  			} else if (!strncmp(card->name, "geminilake-rt298",
  					    PLATFORM_NAME_SIZE)) {
  				card->dai_link[i].name = "SSP2-Codec";
  				card->dai_link[i].cpus->dai_name = "SSP2 Pin";
  			}
  		}
  	}
  
  	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
  	if (!ctx)
  		return -ENOMEM;
  
  	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
  
  	card->dev = &pdev->dev;
  	snd_soc_card_set_drvdata(card, ctx);
  
  	/* override plaform 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;
  
  	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
  
  	return devm_snd_soc_register_card(&pdev->dev, card);
  }
  
  static const struct platform_device_id bxt_board_ids[] = {
  	{ .name = "bxt_alc298s_i2s", .driver_data =
  				(unsigned long)&broxton_rt298 },
  	{ .name = "glk_alc298s_i2s", .driver_data =
  				(unsigned long)&geminilake_rt298 },
  	{}
  };
  
  static struct platform_driver broxton_audio = {
  	.probe = broxton_audio_probe,
  	.driver = {
  		.name = "bxt_alc298s_i2s",
  		.pm = &snd_soc_pm_ops,
  	},
  	.id_table = bxt_board_ids,
  };
  module_platform_driver(broxton_audio)
  
  /* Module information */
  MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
  MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
  MODULE_DESCRIPTION("Intel SST Audio for Broxton");
  MODULE_LICENSE("GPL v2");
  MODULE_ALIAS("platform:bxt_alc298s_i2s");
  MODULE_ALIAS("platform:glk_alc298s_i2s");
  