[deliverable/linux.git] / sound / soc / intel / boards / skl_nau88l25_max98357a.c

/*
 * Intel Skylake I2S Machine Driver with MAXIM98357A
 * and NAU88L25
 *
 * Copyright (C) 2015, Intel Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/jack.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include "../../codecs/nau8825.h"
#include "../../codecs/hdac_hdmi.h"
#include "../skylake/skl.h"

#define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"
#define SKL_MAXIM_CODEC_DAI "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;

struct skl_hdmi_pcm {
	struct list_head head;
	struct snd_soc_dai *codec_dai;
	int device;
};

struct skl_nau8825_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 inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
{
	struct snd_soc_pcm_runtime *rtd;

	list_for_each_entry(rtd, &card->rtd_list, list) {

		if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
			     strlen(SKL_NUVOTON_CODEC_DAI)))
			return rtd->codec_dai;
	}

	return NULL;
}

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 = skl_get_codec_dai(card);
	if (!codec_dai) {
		dev_err(card->dev, "Codec dai not found; Unable to set platform clock\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_kcontrol_new skylake_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Spk"),
};

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("Spk", NULL),
	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
	SND_SOC_DAPM_SPK("DP", NULL),
	SND_SOC_DAPM_SPK("HDMI", 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 */
	{ "Spk", NULL, "Speaker" },

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

	{"HDMI", NULL, "hif5 Output"},
	{"DP", NULL, "hif6 Output"},

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

	{ "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 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(fmt, SNDRV_PCM_FORMAT_S24_LE);

	return 0;
}

static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
{
	int ret;
	struct snd_soc_codec *codec = rtd->codec;

	/*
	 * Headset buttons map to the google Reference headset.
	 * These can be configured by userspace.
	 */
	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(codec, &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_nau8825_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_nau8825_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_nau8825_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 unsigned int rates[] = {
	48000,
};

static struct snd_pcm_hw_constraint_list constraints_rates = {
	.count = ARRAY_SIZE(rates),
	.list  = rates,
	.mask = 0,
};

static unsigned int channels[] = {
	2,
};

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

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 unsigned int channels_dmic[] = {
	2, 4,
};

static 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 struct snd_soc_ops skylake_dmic_ops = {
	.startup = skylake_dmic_startup,
};

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

static 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 struct snd_soc_ops skylaye_refcap_ops = {
	.startup = skylake_refcap_startup,
};

/* 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",
		.cpu_dai_name = "System Pin",
		.platform_name = "0000:00:1f.3",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.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,
	},
	[SKL_DPCM_AUDIO_CP] = {
		.name = "Skl Audio Capture Port",
		.stream_name = "Audio Record",
		.cpu_dai_name = "System Pin",
		.platform_name = "0000:00:1f.3",
		.dynamic = 1,
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.nonatomic = 1,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_capture = 1,
		.ops = &skylake_nau8825_fe_ops,
	},
	[SKL_DPCM_AUDIO_REF_CP] = {
		.name = "Skl Audio Reference cap",
		.stream_name = "Wake on Voice",
		.cpu_dai_name = "Reference Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		.ops = &skylaye_refcap_ops,
	},
	[SKL_DPCM_AUDIO_DMIC_CP] = {
		.name = "Skl Audio DMIC cap",
		.stream_name = "dmiccap",
		.cpu_dai_name = "DMIC Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		.ops = &skylake_dmic_ops,
	},
	[SKL_DPCM_AUDIO_HDMI1_PB] = {
		.name = "Skl HDMI Port1",
		.stream_name = "Hdmi1",
		.cpu_dai_name = "HDMI1 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = NULL,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.nonatomic = 1,
		.dynamic = 1,
	},
	[SKL_DPCM_AUDIO_HDMI2_PB] = {
		.name = "Skl HDMI Port2",
		.stream_name = "Hdmi2",
		.cpu_dai_name = "HDMI2 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = NULL,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.nonatomic = 1,
		.dynamic = 1,
	},
	[SKL_DPCM_AUDIO_HDMI3_PB] = {
		.name = "Skl HDMI Port3",
		.stream_name = "Hdmi3",
		.cpu_dai_name = "HDMI3 Pin",
		.codec_name = "snd-soc-dummy",
		.codec_dai_name = "snd-soc-dummy-dai",
		.platform_name = "0000:00:1f.3",
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
		.dpcm_playback = 1,
		.init = NULL,
		.nonatomic = 1,
		.dynamic = 1,
	},

	/* Back End DAI links */
	{
		/* SSP0 - Codec */
		.name = "SSP0-Codec",
		.id = 0,
		.cpu_dai_name = "SSP0 Pin",
		.platform_name = "0000:00:1f.3",
		.no_pcm = 1,
		.codec_name = "MX98357A:00",
		.codec_dai_name = SKL_MAXIM_CODEC_DAI,
		.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,
		.dpcm_playback = 1,
	},
	{
		/* SSP1 - Codec */
		.name = "SSP1-Codec",
		.id = 1,
		.cpu_dai_name = "SSP1 Pin",
		.platform_name = "0000:00:1f.3",
		.no_pcm = 1,
		.codec_name = "i2c-10508825:00",
		.codec_dai_name = SKL_NUVOTON_CODEC_DAI,
		.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,
	},
	{
		.name = "dmic01",
		.id = 2,
		.cpu_dai_name = "DMIC01 Pin",
		.codec_name = "dmic-codec",
		.codec_dai_name = "dmic-hifi",
		.platform_name = "0000:00:1f.3",
		.be_hw_params_fixup = skylake_dmic_fixup,
		.ignore_suspend = 1,
		.dpcm_capture = 1,
		.no_pcm = 1,
	},
	{
		.name = "iDisp1",
		.id = 3,
		.cpu_dai_name = "iDisp1 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi1",
		.platform_name = "0000:00:1f.3",
		.dpcm_playback = 1,
		.init = skylake_hdmi1_init,
		.no_pcm = 1,
	},
	{
		.name = "iDisp2",
		.id = 4,
		.cpu_dai_name = "iDisp2 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi2",
		.platform_name = "0000:00:1f.3",
		.init = skylake_hdmi2_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
	},
	{
		.name = "iDisp3",
		.id = 5,
		.cpu_dai_name = "iDisp3 Pin",
		.codec_name = "ehdaudio0D2",
		.codec_dai_name = "intel-hdmi-hifi3",
		.platform_name = "0000:00:1f.3",
		.init = skylake_hdmi3_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
	},
};

static int skylake_card_late_probe(struct snd_soc_card *card)
{
	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
	struct skl_hdmi_pcm *pcm;
	int err;

	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
		if (err < 0)
			return err;
	}

	return 0;
}

/* skylake audio machine driver for SPT + NAU88L25 */
static struct snd_soc_card skylake_audio_card = {
	.name = "sklnau8825max",
	.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),
	.fully_routed = true,
	.late_probe = skylake_card_late_probe,
};

static int skylake_audio_probe(struct platform_device *pdev)
{
	struct skl_nau8825_private *ctx;
	struct skl_machine_pdata *pdata;

	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
	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);

	pdata = dev_get_drvdata(&pdev->dev);
	if (pdata)
		dmic_constraints = pdata->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_m98357a" },
	{ .name = "kbl_n88l25_m98357a" },
	{ }
};

static struct platform_driver skylake_audio = {
	.probe = skylake_audio_probe,
	.driver = {
		.name = "skl_n88l25_m98357a",
		.pm = &snd_soc_pm_ops,
	},
	.id_table = skl_board_ids,
};

module_platform_driver(skylake_audio)

/* Module information */
MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:skl_n88l25_m98357a");
MODULE_ALIAS("platform:kbl_n88l25_m98357a");
Commit	Line	Data
8eaf2b31 RA	1	/*
	2	* Intel Skylake I2S Machine Driver with MAXIM98357A
	3	* and NAU88L25
	4	*
	5	* Copyright (C) 2015, Intel Corporation. All rights reserved.
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License version
	9	* 2 as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope that it will be useful,
	12	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	* GNU General Public License for more details.
	15	*/
	16
	17	#include <linux/module.h>
	18	#include <linux/platform_device.h>
	19	#include <sound/core.h>
	20	#include <sound/jack.h>
	21	#include <sound/pcm.h>
	22	#include <sound/pcm_params.h>
	23	#include <sound/soc.h>
	24	#include "../../codecs/nau8825.h"
0ab338ff	25	#include "../../codecs/hdac_hdmi.h"
05282c77	26	#include "../skylake/skl.h"
8eaf2b31 RA	27
	28	#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
	29	#define SKL_MAXIM_CODEC_DAI "HiFi"
05282c77	30	#define DMIC_CH(p) p->list[p->count-1]
8eaf2b31 RA	31
	32	static struct snd_soc_jack skylake_headset;
	33	static struct snd_soc_card skylake_audio_card;
05282c77	34	static const struct snd_pcm_hw_constraint_list *dmic_constraints;
8eaf2b31	35
0d425b4f SP	36	struct skl_hdmi_pcm {
	37	struct list_head head;
	38	struct snd_soc_dai *codec_dai;
	39	int device;
	40	};
	41
	42	struct skl_nau8825_private {
	43	struct list_head hdmi_pcm_list;
	44	};
	45
0ab338ff SN	46	enum {
	47	SKL_DPCM_AUDIO_PB = 0,
	48	SKL_DPCM_AUDIO_CP,
	49	SKL_DPCM_AUDIO_REF_CP,
	50	SKL_DPCM_AUDIO_DMIC_CP,
	51	SKL_DPCM_AUDIO_HDMI1_PB,
	52	SKL_DPCM_AUDIO_HDMI2_PB,
	53	SKL_DPCM_AUDIO_HDMI3_PB,
	54	};
	55
8eaf2b31 RA	56	static inline struct snd_soc_dai skl_get_codec_dai(struct snd_soc_card card)
	57	{
	58	struct snd_soc_pcm_runtime *rtd;
	59
	60	list_for_each_entry(rtd, &card->rtd_list, list) {
	61
	62	if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
	63	strlen(SKL_NUVOTON_CODEC_DAI)))
	64	return rtd->codec_dai;
	65	}
	66
	67	return NULL;
	68	}
	69
	70	static int platform_clock_control(struct snd_soc_dapm_widget *w,
	71	struct snd_kcontrol *k, int event)
	72	{
	73	struct snd_soc_dapm_context *dapm = w->dapm;
	74	struct snd_soc_card *card = dapm->card;
	75	struct snd_soc_dai *codec_dai;
	76	int ret;
	77
	78	codec_dai = skl_get_codec_dai(card);
	79	if (!codec_dai) {
	80	dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
	81	return -EIO;
	82	}
	83
	84	if (SND_SOC_DAPM_EVENT_ON(event)) {
	85	ret = snd_soc_dai_set_sysclk(codec_dai,
	86	NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
	87	if (ret < 0) {
	88	dev_err(card->dev, "set sysclk err = %d\n", ret);
	89	return -EIO;
	90	}
	91	} else {
	92	ret = snd_soc_dai_set_sysclk(codec_dai,
	93	NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
	94	if (ret < 0) {
	95	dev_err(card->dev, "set sysclk err = %d\n", ret);
	96	return -EIO;
	97	}
	98	}
	99
	100	return ret;
	101	}
	102
	103	static const struct snd_kcontrol_new skylake_controls[] = {
	104	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	105	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	106	SOC_DAPM_PIN_SWITCH("Spk"),
	107	};
	108
	109	static const struct snd_soc_dapm_widget skylake_widgets[] = {
	110	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	111	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	112	SND_SOC_DAPM_SPK("Spk", NULL),
	113	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
8eaf2b31 RA	114	SND_SOC_DAPM_SPK("DP", NULL),
	115	SND_SOC_DAPM_SPK("HDMI", NULL),
	116	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
	117	platform_clock_control, SND_SOC_DAPM_PRE_PMU \|
	118	SND_SOC_DAPM_POST_PMD),
	119	};
	120
	121	static const struct snd_soc_dapm_route skylake_map[] = {
	122	/* HP jack connectors - unknown if we have jack detection */
	123	{ "Headphone Jack", NULL, "HPOL" },
	124	{ "Headphone Jack", NULL, "HPOR" },
	125
	126	/* speaker */
	127	{ "Spk", NULL, "Speaker" },
	128
	129	/* other jacks */
	130	{ "MIC", NULL, "Headset Mic" },
	131	{ "DMic", NULL, "SoC DMIC" },
	132
8eaf2b31 RA	133	{"HDMI", NULL, "hif5 Output"},
	134	{"DP", NULL, "hif6 Output"},
	135
	136	/* CODEC BE connections */
	137	{ "HiFi Playback", NULL, "ssp0 Tx" },
	138	{ "ssp0 Tx", NULL, "codec0_out" },
	139
	140	{ "Playback", NULL, "ssp1 Tx" },
	141	{ "ssp1 Tx", NULL, "codec1_out" },
	142
	143	{ "codec0_in", NULL, "ssp1 Rx" },
	144	{ "ssp1 Rx", NULL, "Capture" },
	145
	146	/* DMIC */
	147	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
	148	{ "DMIC01 Rx", NULL, "DMIC AIF" },
0ab338ff SN	149
	150	{ "hifi3", NULL, "iDisp3 Tx"},
	151	{ "iDisp3 Tx", NULL, "iDisp3_out"},
	152	{ "hifi2", NULL, "iDisp2 Tx"},
	153	{ "iDisp2 Tx", NULL, "iDisp2_out"},
	154	{ "hifi1", NULL, "iDisp1 Tx"},
	155	{ "iDisp1 Tx", NULL, "iDisp1_out"},
	156
8eaf2b31 RA	157	{ "Headphone Jack", NULL, "Platform Clock" },
	158	{ "Headset Mic", NULL, "Platform Clock" },
	159	};
	160
	161	static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
	162	struct snd_pcm_hw_params *params)
	163	{
	164	struct snd_interval *rate = hw_param_interval(params,
	165	SNDRV_PCM_HW_PARAM_RATE);
	166	struct snd_interval *channels = hw_param_interval(params,
	167	SNDRV_PCM_HW_PARAM_CHANNELS);
	168	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
	169
	170	/* The ADSP will covert the FE rate to 48k, stereo */
	171	rate->min = rate->max = 48000;
	172	channels->min = channels->max = 2;
	173
	174	/* set SSP0 to 24 bit */
	175	snd_mask_none(fmt);
	176	snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
	177
	178	return 0;
	179	}
	180
	181	static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
	182	{
	183	int ret;
	184	struct snd_soc_codec *codec = rtd->codec;
	185
	186	/*
	187	* Headset buttons map to the google Reference headset.
	188	* These can be configured by userspace.
	189	*/
	190	ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
	191	SND_JACK_HEADSET \| SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	192	SND_JACK_BTN_2 \| SND_JACK_BTN_3, &skylake_headset,
	193	NULL, 0);
	194	if (ret) {
	195	dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
	196	return ret;
	197	}
	198
	199	nau8825_enable_jack_detect(codec, &skylake_headset);
	200
	201	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
8eaf2b31 RA	202
	203	return ret;
	204	}
	205
0ab338ff SN	206	static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
0ab338ff SN	207	{
0d425b4f	208	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0ab338ff	209	struct snd_soc_dai *dai = rtd->codec_dai;
0d425b4f SP	210	struct skl_hdmi_pcm *pcm;
	211
	212	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	213	if (!pcm)
	214	return -ENOMEM;
	215
	216	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
	217	pcm->codec_dai = dai;
0ab338ff	218
0d425b4f SP	219	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
	220
	221	return 0;
0ab338ff SN	222	}
	223
	224	static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
	225	{
0d425b4f	226	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0ab338ff	227	struct snd_soc_dai *dai = rtd->codec_dai;
0d425b4f SP	228	struct skl_hdmi_pcm *pcm;
	229
	230	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	231	if (!pcm)
	232	return -ENOMEM;
0ab338ff	233
0d425b4f SP	234	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
	235	pcm->codec_dai = dai;
	236
	237	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
	238
	239	return 0;
0ab338ff SN	240	}
	241
	242	static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
	243	{
0d425b4f	244	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
0ab338ff	245	struct snd_soc_dai *dai = rtd->codec_dai;
0d425b4f	246	struct skl_hdmi_pcm *pcm;
0ab338ff	247
0d425b4f SP	248	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	249	if (!pcm)
	250	return -ENOMEM;
	251
	252	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
	253	pcm->codec_dai = dai;
	254
	255	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
	256
	257	return 0;
0ab338ff SN	258	}
0ab338ff SN	259
8eaf2b31 RA	260	static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
	261	{
	262	struct snd_soc_dapm_context *dapm;
	263	struct snd_soc_component *component = rtd->cpu_dai->component;
	264
	265	dapm = snd_soc_component_get_dapm(component);
	266	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
	267
	268	return 0;
	269	}
	270
	271	static unsigned int rates[] = {
	272	48000,
	273	};
	274
	275	static struct snd_pcm_hw_constraint_list constraints_rates = {
	276	.count = ARRAY_SIZE(rates),
	277	.list = rates,
	278	.mask = 0,
	279	};
	280
	281	static unsigned int channels[] = {
	282	2,
	283	};
	284
	285	static struct snd_pcm_hw_constraint_list constraints_channels = {
	286	.count = ARRAY_SIZE(channels),
	287	.list = channels,
	288	.mask = 0,
	289	};
	290
	291	static int skl_fe_startup(struct snd_pcm_substream *substream)
	292	{
	293	struct snd_pcm_runtime *runtime = substream->runtime;
	294
	295	/*
	296	* On this platform for PCM device we support,
	297	* 48Khz
	298	* stereo
	299	* 16 bit audio
	300	*/
	301
	302	runtime->hw.channels_max = 2;
	303	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
	304	&constraints_channels);
	305
	306	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
	307	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
	308
	309	snd_pcm_hw_constraint_list(runtime, 0,
	310	SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
	311
	312	return 0;
	313	}
	314
	315	static const struct snd_soc_ops skylake_nau8825_fe_ops = {
	316	.startup = skl_fe_startup,
	317	};
	318
	319	static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
	320	struct snd_pcm_hw_params *params)
	321	{
	322	struct snd_soc_pcm_runtime *rtd = substream->private_data;
	323	struct snd_soc_dai *codec_dai = rtd->codec_dai;
324	int ret;
325
326	ret = snd_soc_dai_set_sysclk(codec_dai,
327	NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
328
329	if (ret < 0)
330	dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
331
332	return ret;
333	}
334
335	static struct snd_soc_ops skylake_nau8825_ops = {
336	.hw_params = skylake_nau8825_hw_params,
337	};
338
339	static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
340	struct snd_pcm_hw_params *params)
341	{
342	struct snd_interval *channels = hw_param_interval(params,
343	SNDRV_PCM_HW_PARAM_CHANNELS);
344
05282c77	345	if (params_channels(params) == 2 \|\| DMIC_CH(dmic_constraints) == 2)
8eaf2b31 RA	346	channels->min = channels->max = 2;
	347	else
	348	channels->min = channels->max = 4;
	349
	350	return 0;
	351	}
	352
	353	static unsigned int channels_dmic[] = {
	354	2, 4,
	355	};
	356
	357	static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
	358	.count = ARRAY_SIZE(channels_dmic),
	359	.list = channels_dmic,
	360	.mask = 0,
	361	};
	362
05282c77 YZ	363	static const unsigned int dmic_2ch[] = {
	364	2,
	365	};
	366
	367	static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
	368	.count = ARRAY_SIZE(dmic_2ch),
	369	.list = dmic_2ch,
	370	.mask = 0,
	371	};
	372
8eaf2b31 RA	373	static int skylake_dmic_startup(struct snd_pcm_substream *substream)
	374	{
	375	struct snd_pcm_runtime *runtime = substream->runtime;
	376
05282c77	377	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
8eaf2b31	378	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
05282c77	379	dmic_constraints);
8eaf2b31 RA	380
	381	return snd_pcm_hw_constraint_list(substream->runtime, 0,
	382	SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
	383	}
	384
	385	static struct snd_soc_ops skylake_dmic_ops = {
	386	.startup = skylake_dmic_startup,
	387	};
	388
	389	static unsigned int rates_16000[] = {
	390	16000,
	391	};
	392
	393	static struct snd_pcm_hw_constraint_list constraints_16000 = {
	394	.count = ARRAY_SIZE(rates_16000),
	395	.list = rates_16000,
	396	};
	397
d6c9f6af YZ	398	static const unsigned int ch_mono[] = {
	399	1,
	400	};
	401
	402	static const struct snd_pcm_hw_constraint_list constraints_refcap = {
	403	.count = ARRAY_SIZE(ch_mono),
	404	.list = ch_mono,
	405	};
	406
8eaf2b31 RA	407	static int skylake_refcap_startup(struct snd_pcm_substream *substream)
8eaf2b31 RA	408	{
d6c9f6af YZ	409	substream->runtime->hw.channels_max = 1;
	410	snd_pcm_hw_constraint_list(substream->runtime, 0,
	411	SNDRV_PCM_HW_PARAM_CHANNELS,
	412	&constraints_refcap);
	413
8eaf2b31 RA	414	return snd_pcm_hw_constraint_list(substream->runtime, 0,
	415	SNDRV_PCM_HW_PARAM_RATE,
	416	&constraints_16000);
	417	}
	418
	419	static struct snd_soc_ops skylaye_refcap_ops = {
	420	.startup = skylake_refcap_startup,
	421	};
	422
	423	/* skylake digital audio interface glue - connects codec <--> CPU */
	424	static struct snd_soc_dai_link skylake_dais[] = {
	425	/* Front End DAI links */
0ab338ff	426	[SKL_DPCM_AUDIO_PB] = {
8eaf2b31 RA	427	.name = "Skl Audio Port",
	428	.stream_name = "Audio",
	429	.cpu_dai_name = "System Pin",
	430	.platform_name = "0000:00:1f.3",
	431	.dynamic = 1,
	432	.codec_name = "snd-soc-dummy",
	433	.codec_dai_name = "snd-soc-dummy-dai",
	434	.nonatomic = 1,
	435	.init = skylake_nau8825_fe_init,
	436	.trigger = {
	437	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	438	.dpcm_playback = 1,
	439	.ops = &skylake_nau8825_fe_ops,
	440	},
0ab338ff	441	[SKL_DPCM_AUDIO_CP] = {
8eaf2b31 RA	442	.name = "Skl Audio Capture Port",
	443	.stream_name = "Audio Record",
	444	.cpu_dai_name = "System Pin",
	445	.platform_name = "0000:00:1f.3",
	446	.dynamic = 1,
	447	.codec_name = "snd-soc-dummy",
	448	.codec_dai_name = "snd-soc-dummy-dai",
	449	.nonatomic = 1,
	450	.trigger = {
	451	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	452	.dpcm_capture = 1,
	453	.ops = &skylake_nau8825_fe_ops,
	454	},
0ab338ff	455	[SKL_DPCM_AUDIO_REF_CP] = {
8eaf2b31 RA	456	.name = "Skl Audio Reference cap",
	457	.stream_name = "Wake on Voice",
	458	.cpu_dai_name = "Reference Pin",
	459	.codec_name = "snd-soc-dummy",
	460	.codec_dai_name = "snd-soc-dummy-dai",
	461	.platform_name = "0000:00:1f.3",
	462	.init = NULL,
	463	.dpcm_capture = 1,
8eaf2b31 RA	464	.nonatomic = 1,
	465	.dynamic = 1,
	466	.ops = &skylaye_refcap_ops,
	467	},
0ab338ff	468	[SKL_DPCM_AUDIO_DMIC_CP] = {
8eaf2b31 RA	469	.name = "Skl Audio DMIC cap",
	470	.stream_name = "dmiccap",
	471	.cpu_dai_name = "DMIC Pin",
	472	.codec_name = "snd-soc-dummy",
	473	.codec_dai_name = "snd-soc-dummy-dai",
	474	.platform_name = "0000:00:1f.3",
	475	.init = NULL,
	476	.dpcm_capture = 1,
	477	.nonatomic = 1,
	478	.dynamic = 1,
	479	.ops = &skylake_dmic_ops,
	480	},
0ab338ff SN	481	[SKL_DPCM_AUDIO_HDMI1_PB] = {
	482	.name = "Skl HDMI Port1",
	483	.stream_name = "Hdmi1",
	484	.cpu_dai_name = "HDMI1 Pin",
	485	.codec_name = "snd-soc-dummy",
	486	.codec_dai_name = "snd-soc-dummy-dai",
	487	.platform_name = "0000:00:1f.3",
	488	.dpcm_playback = 1,
	489	.init = NULL,
	490	.trigger = {
	491	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	492	.nonatomic = 1,
	493	.dynamic = 1,
	494	},
	495	[SKL_DPCM_AUDIO_HDMI2_PB] = {
	496	.name = "Skl HDMI Port2",
	497	.stream_name = "Hdmi2",
	498	.cpu_dai_name = "HDMI2 Pin",
8eaf2b31 RA	499	.codec_name = "snd-soc-dummy",
	500	.codec_dai_name = "snd-soc-dummy-dai",
	501	.platform_name = "0000:00:1f.3",
	502	.dpcm_playback = 1,
	503	.init = NULL,
0ab338ff SN	504	.trigger = {
	505	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	506	.nonatomic = 1,
	507	.dynamic = 1,
	508	},
	509	[SKL_DPCM_AUDIO_HDMI3_PB] = {
	510	.name = "Skl HDMI Port3",
	511	.stream_name = "Hdmi3",
	512	.cpu_dai_name = "HDMI3 Pin",
	513	.codec_name = "snd-soc-dummy",
	514	.codec_dai_name = "snd-soc-dummy-dai",
	515	.platform_name = "0000:00:1f.3",
	516	.trigger = {
	517	SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
	518	.dpcm_playback = 1,
	519	.init = NULL,
8eaf2b31 RA	520	.nonatomic = 1,
	521	.dynamic = 1,
	522	},
	523
	524	/* Back End DAI links */
	525	{
	526	/* SSP0 - Codec */
	527	.name = "SSP0-Codec",
2f0ad491	528	.id = 0,
8eaf2b31 RA	529	.cpu_dai_name = "SSP0 Pin",
	530	.platform_name = "0000:00:1f.3",
	531	.no_pcm = 1,
	532	.codec_name = "MX98357A:00",
	533	.codec_dai_name = SKL_MAXIM_CODEC_DAI,
	534	.dai_fmt = SND_SOC_DAIFMT_I2S \|
	535	SND_SOC_DAIFMT_NB_NF \|
	536	SND_SOC_DAIFMT_CBS_CFS,
	537	.ignore_pmdown_time = 1,
	538	.be_hw_params_fixup = skylake_ssp_fixup,
	539	.dpcm_playback = 1,
	540	},
	541	{
	542	/* SSP1 - Codec */
	543	.name = "SSP1-Codec",
2f0ad491	544	.id = 1,
8eaf2b31 RA	545	.cpu_dai_name = "SSP1 Pin",
	546	.platform_name = "0000:00:1f.3",
	547	.no_pcm = 1,
	548	.codec_name = "i2c-10508825:00",
	549	.codec_dai_name = SKL_NUVOTON_CODEC_DAI,
	550	.init = skylake_nau8825_codec_init,
	551	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF \|
	552	SND_SOC_DAIFMT_CBS_CFS,
	553	.ignore_pmdown_time = 1,
	554	.be_hw_params_fixup = skylake_ssp_fixup,
	555	.ops = &skylake_nau8825_ops,
	556	.dpcm_playback = 1,
	557	.dpcm_capture = 1,
	558	},
	559	{
	560	.name = "dmic01",
2f0ad491	561	.id = 2,
8eaf2b31 RA	562	.cpu_dai_name = "DMIC01 Pin",
	563	.codec_name = "dmic-codec",
	564	.codec_dai_name = "dmic-hifi",
	565	.platform_name = "0000:00:1f.3",
	566	.be_hw_params_fixup = skylake_dmic_fixup,
	567	.ignore_suspend = 1,
	568	.dpcm_capture = 1,
	569	.no_pcm = 1,
	570	},
	571	{
0ab338ff	572	.name = "iDisp1",
2f0ad491	573	.id = 3,
0ab338ff	574	.cpu_dai_name = "iDisp1 Pin",
8eaf2b31 RA	575	.codec_name = "ehdaudio0D2",
	576	.codec_dai_name = "intel-hdmi-hifi1",
	577	.platform_name = "0000:00:1f.3",
	578	.dpcm_playback = 1,
0ab338ff SN	579	.init = skylake_hdmi1_init,
	580	.no_pcm = 1,
	581	},
	582	{
	583	.name = "iDisp2",
2f0ad491	584	.id = 4,
0ab338ff SN	585	.cpu_dai_name = "iDisp2 Pin",
	586	.codec_name = "ehdaudio0D2",
	587	.codec_dai_name = "intel-hdmi-hifi2",
	588	.platform_name = "0000:00:1f.3",
	589	.init = skylake_hdmi2_init,
	590	.dpcm_playback = 1,
	591	.no_pcm = 1,
	592	},
	593	{
	594	.name = "iDisp3",
2f0ad491	595	.id = 5,
0ab338ff SN	596	.cpu_dai_name = "iDisp3 Pin",
	597	.codec_name = "ehdaudio0D2",
	598	.codec_dai_name = "intel-hdmi-hifi3",
	599	.platform_name = "0000:00:1f.3",
	600	.init = skylake_hdmi3_init,
	601	.dpcm_playback = 1,
8eaf2b31 RA	602	.no_pcm = 1,
	603	},
	604	};
	605
0d425b4f SP	606	static int skylake_card_late_probe(struct snd_soc_card *card)
	607	{
	608	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
	609	struct skl_hdmi_pcm *pcm;
	610	int err;
	611
	612	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
	613	err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
	614	if (err < 0)
	615	return err;
	616	}
	617
	618	return 0;
	619	}
	620
8eaf2b31 RA	621	/* skylake audio machine driver for SPT + NAU88L25 */
	622	static struct snd_soc_card skylake_audio_card = {
	623	.name = "sklnau8825max",
	624	.owner = THIS_MODULE,
	625	.dai_link = skylake_dais,
	626	.num_links = ARRAY_SIZE(skylake_dais),
	627	.controls = skylake_controls,
	628	.num_controls = ARRAY_SIZE(skylake_controls),
	629	.dapm_widgets = skylake_widgets,
	630	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
	631	.dapm_routes = skylake_map,
	632	.num_dapm_routes = ARRAY_SIZE(skylake_map),
	633	.fully_routed = true,
0d425b4f	634	.late_probe = skylake_card_late_probe,
8eaf2b31 RA	635	};
	636
	637	static int skylake_audio_probe(struct platform_device *pdev)
	638	{
0d425b4f	639	struct skl_nau8825_private *ctx;
05282c77	640	struct skl_machine_pdata *pdata;
0d425b4f SP	641
	642	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
	643	if (!ctx)
	644	return -ENOMEM;
	645
	646	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
	647
8eaf2b31	648	skylake_audio_card.dev = &pdev->dev;
0d425b4f	649	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
8eaf2b31	650
05282c77 YZ	651	pdata = dev_get_drvdata(&pdev->dev);
	652	if (pdata)
	653	dmic_constraints = pdata->dmic_num == 2 ?
	654	&constraints_dmic_2ch : &constraints_dmic_channels;
	655
8eaf2b31 RA	656	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
	657	}
	658
2ca972da VK	659	static const struct platform_device_id skl_board_ids[] = {
	660	{ .name = "skl_n88l25_m98357a" },
	661	{ .name = "kbl_n88l25_m98357a" },
	662	{ }
	663	};
	664
8eaf2b31 RA	665	static struct platform_driver skylake_audio = {
	666	.probe = skylake_audio_probe,
	667	.driver = {
a2f5b8db	668	.name = "skl_n88l25_m98357a",
8eaf2b31 RA	669	.pm = &snd_soc_pm_ops,
8eaf2b31 RA	670	},
2ca972da	671	.id_table = skl_board_ids,
8eaf2b31 RA	672	};
	673
	674	module_platform_driver(skylake_audio)
	675
	676	/* Module information */
	677	MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
	678	MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
	679	MODULE_LICENSE("GPL v2");
a2f5b8db	680	MODULE_ALIAS("platform:skl_n88l25_m98357a");
2ca972da	681	MODULE_ALIAS("platform:kbl_n88l25_m98357a");