| // SPDX-License-Identifier: GPL-2.0-only | 
 | /* | 
 |  *  bytcht_es8316.c - ASoc Machine driver for Intel Baytrail/Cherrytrail | 
 |  *                    platforms with Everest ES8316 SoC | 
 |  * | 
 |  *  Copyright (C) 2017 Endless Mobile, Inc. | 
 |  *  Authors: David Yang <yangxiaohua@everest-semi.com>, | 
 |  *           Daniel Drake <drake@endlessm.com> | 
 |  * | 
 |  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 
 |  * | 
 |  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | 
 |  */ | 
 | #include <linux/acpi.h> | 
 | #include <linux/clk.h> | 
 | #include <linux/device.h> | 
 | #include <linux/dmi.h> | 
 | #include <linux/gpio/consumer.h> | 
 | #include <linux/i2c.h> | 
 | #include <linux/init.h> | 
 | #include <linux/input.h> | 
 | #include <linux/module.h> | 
 | #include <linux/platform_device.h> | 
 | #include <linux/slab.h> | 
 | #include <sound/jack.h> | 
 | #include <sound/pcm.h> | 
 | #include <sound/pcm_params.h> | 
 | #include <sound/soc.h> | 
 | #include <sound/soc-acpi.h> | 
 | #include "../../codecs/es83xx-dsm-common.h" | 
 | #include "../atom/sst-atom-controls.h" | 
 | #include "../common/soc-intel-quirks.h" | 
 |  | 
 | /* jd-inv + terminating entry */ | 
 | #define MAX_NO_PROPS 2 | 
 |  | 
 | struct byt_cht_es8316_private { | 
 | 	struct clk *mclk; | 
 | 	struct snd_soc_jack jack; | 
 | 	struct gpio_desc *speaker_en_gpio; | 
 | 	struct device *codec_dev; | 
 | 	bool speaker_en; | 
 | }; | 
 |  | 
 | enum { | 
 | 	BYT_CHT_ES8316_INTMIC_IN1_MAP, | 
 | 	BYT_CHT_ES8316_INTMIC_IN2_MAP, | 
 | }; | 
 |  | 
 | #define BYT_CHT_ES8316_MAP(quirk)		((quirk) & GENMASK(3, 0)) | 
 | #define BYT_CHT_ES8316_SSP0			BIT(16) | 
 | #define BYT_CHT_ES8316_MONO_SPEAKER		BIT(17) | 
 | #define BYT_CHT_ES8316_JD_INVERTED		BIT(18) | 
 |  | 
 | static unsigned long quirk; | 
 |  | 
 | static int quirk_override = -1; | 
 | module_param_named(quirk, quirk_override, int, 0444); | 
 | MODULE_PARM_DESC(quirk, "Board-specific quirk override"); | 
 |  | 
 | static void log_quirks(struct device *dev) | 
 | { | 
 | 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP) | 
 | 		dev_info(dev, "quirk IN1_MAP enabled"); | 
 | 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP) | 
 | 		dev_info(dev, "quirk IN2_MAP enabled"); | 
 | 	if (quirk & BYT_CHT_ES8316_SSP0) | 
 | 		dev_info(dev, "quirk SSP0 enabled"); | 
 | 	if (quirk & BYT_CHT_ES8316_MONO_SPEAKER) | 
 | 		dev_info(dev, "quirk MONO_SPEAKER enabled\n"); | 
 | 	if (quirk & BYT_CHT_ES8316_JD_INVERTED) | 
 | 		dev_info(dev, "quirk JD_INVERTED enabled\n"); | 
 | } | 
 |  | 
 | static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, | 
 | 	struct snd_kcontrol *kcontrol, int event) | 
 | { | 
 | 	struct snd_soc_card *card = w->dapm->card; | 
 | 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); | 
 |  | 
 | 	if (SND_SOC_DAPM_EVENT_ON(event)) | 
 | 		priv->speaker_en = true; | 
 | 	else | 
 | 		priv->speaker_en = false; | 
 |  | 
 | 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = { | 
 | 	SND_SOC_DAPM_SPK("Speaker", NULL), | 
 | 	SND_SOC_DAPM_HP("Headphone", NULL), | 
 | 	SND_SOC_DAPM_MIC("Headset Mic", NULL), | 
 | 	SND_SOC_DAPM_MIC("Internal Mic", NULL), | 
 |  | 
 | 	SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0, | 
 | 			    byt_cht_es8316_speaker_power_event, | 
 | 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = { | 
 | 	{"Headphone", NULL, "HPOL"}, | 
 | 	{"Headphone", NULL, "HPOR"}, | 
 |  | 
 | 	/* | 
 | 	 * There is no separate speaker output instead the speakers are muxed to | 
 | 	 * the HP outputs. The mux is controlled by the "Speaker Power" supply. | 
 | 	 */ | 
 | 	{"Speaker", NULL, "HPOL"}, | 
 | 	{"Speaker", NULL, "HPOR"}, | 
 | 	{"Speaker", NULL, "Speaker Power"}, | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = { | 
 | 	{"MIC1", NULL, "Internal Mic"}, | 
 | 	{"MIC2", NULL, "Headset Mic"}, | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = { | 
 | 	{"MIC2", NULL, "Internal Mic"}, | 
 | 	{"MIC1", NULL, "Headset Mic"}, | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = { | 
 | 	{"Playback", NULL, "ssp0 Tx"}, | 
 | 	{"ssp0 Tx", NULL, "modem_out"}, | 
 | 	{"modem_in", NULL, "ssp0 Rx"}, | 
 | 	{"ssp0 Rx", NULL, "Capture"}, | 
 | }; | 
 |  | 
 | static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = { | 
 | 	{"Playback", NULL, "ssp2 Tx"}, | 
 | 	{"ssp2 Tx", NULL, "codec_out0"}, | 
 | 	{"ssp2 Tx", NULL, "codec_out1"}, | 
 | 	{"codec_in0", NULL, "ssp2 Rx" }, | 
 | 	{"codec_in1", NULL, "ssp2 Rx" }, | 
 | 	{"ssp2 Rx", NULL, "Capture"}, | 
 | }; | 
 |  | 
 | static const struct snd_kcontrol_new byt_cht_es8316_controls[] = { | 
 | 	SOC_DAPM_PIN_SWITCH("Speaker"), | 
 | 	SOC_DAPM_PIN_SWITCH("Headphone"), | 
 | 	SOC_DAPM_PIN_SWITCH("Headset Mic"), | 
 | 	SOC_DAPM_PIN_SWITCH("Internal Mic"), | 
 | }; | 
 |  | 
 | static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = { | 
 | 	{ | 
 | 		.pin	= "Headphone", | 
 | 		.mask	= SND_JACK_HEADPHONE, | 
 | 	}, | 
 | 	{ | 
 | 		.pin	= "Headset Mic", | 
 | 		.mask	= SND_JACK_MICROPHONE, | 
 | 	}, | 
 | }; | 
 |  | 
 | static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime) | 
 | { | 
 | 	struct snd_soc_component *codec = snd_soc_rtd_to_codec(runtime, 0)->component; | 
 | 	struct snd_soc_card *card = runtime->card; | 
 | 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); | 
 | 	const struct snd_soc_dapm_route *custom_map; | 
 | 	int num_routes; | 
 | 	int ret; | 
 |  | 
 | 	card->dapm.idle_bias_off = true; | 
 |  | 
 | 	switch (BYT_CHT_ES8316_MAP(quirk)) { | 
 | 	case BYT_CHT_ES8316_INTMIC_IN1_MAP: | 
 | 	default: | 
 | 		custom_map = byt_cht_es8316_intmic_in1_map; | 
 | 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map); | 
 | 		break; | 
 | 	case BYT_CHT_ES8316_INTMIC_IN2_MAP: | 
 | 		custom_map = byt_cht_es8316_intmic_in2_map; | 
 | 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map); | 
 | 		break; | 
 | 	} | 
 | 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); | 
 | 	if (ret) | 
 | 		return ret; | 
 |  | 
 | 	if (quirk & BYT_CHT_ES8316_SSP0) { | 
 | 		custom_map = byt_cht_es8316_ssp0_map; | 
 | 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map); | 
 | 	} else { | 
 | 		custom_map = byt_cht_es8316_ssp2_map; | 
 | 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map); | 
 | 	} | 
 | 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); | 
 | 	if (ret) | 
 | 		return ret; | 
 |  | 
 | 	/* | 
 | 	 * The firmware might enable the clock at boot (this information | 
 | 	 * may or may not be reflected in the enable clock register). | 
 | 	 * To change the rate we must disable the clock first to cover these | 
 | 	 * cases. Due to common clock framework restrictions that do not allow | 
 | 	 * to disable a clock that has not been enabled, we need to enable | 
 | 	 * the clock first. | 
 | 	 */ | 
 | 	ret = clk_prepare_enable(priv->mclk); | 
 | 	if (!ret) | 
 | 		clk_disable_unprepare(priv->mclk); | 
 |  | 
 | 	ret = clk_set_rate(priv->mclk, 19200000); | 
 | 	if (ret) | 
 | 		dev_err(card->dev, "unable to set MCLK rate\n"); | 
 |  | 
 | 	ret = clk_prepare_enable(priv->mclk); | 
 | 	if (ret) | 
 | 		dev_err(card->dev, "unable to enable MCLK\n"); | 
 |  | 
 | 	ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_codec(runtime, 0), 0, 19200000, | 
 | 				     SND_SOC_CLOCK_IN); | 
 | 	if (ret < 0) { | 
 | 		dev_err(card->dev, "can't set codec clock %d\n", ret); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	ret = snd_soc_card_jack_new_pins(card, "Headset", | 
 | 					 SND_JACK_HEADSET | SND_JACK_BTN_0, | 
 | 					 &priv->jack, byt_cht_es8316_jack_pins, | 
 | 					 ARRAY_SIZE(byt_cht_es8316_jack_pins)); | 
 | 	if (ret) { | 
 | 		dev_err(card->dev, "jack creation failed %d\n", ret); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); | 
 | 	snd_soc_component_set_jack(codec, &priv->jack, NULL); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int byt_cht_es8316_codec_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); | 
 | 	int ret, bits; | 
 |  | 
 | 	/* The DSP will convert the FE rate to 48k, stereo */ | 
 | 	rate->min = rate->max = 48000; | 
 | 	channels->min = channels->max = 2; | 
 |  | 
 | 	if (quirk & BYT_CHT_ES8316_SSP0) { | 
 | 		/* set SSP0 to 16-bit */ | 
 | 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); | 
 | 		bits = 16; | 
 | 	} else { | 
 | 		/* set SSP2 to 24-bit */ | 
 | 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); | 
 | 		bits = 24; | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * Default mode for SSP configuration is TDM 4 slot, override config | 
 | 	 * with explicit setting to I2S 2ch 24-bit. The word length is set with | 
 | 	 * dai_set_tdm_slot() since there is no other API exposed | 
 | 	 */ | 
 | 	ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), | 
 | 				SND_SOC_DAIFMT_I2S     | | 
 | 				SND_SOC_DAIFMT_NB_NF   | | 
 | 				SND_SOC_DAIFMT_BP_FP | 
 | 		); | 
 | 	if (ret < 0) { | 
 | 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); | 
 | 	if (ret < 0) { | 
 | 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream) | 
 | { | 
 | 	return snd_pcm_hw_constraint_single(substream->runtime, | 
 | 			SNDRV_PCM_HW_PARAM_RATE, 48000); | 
 | } | 
 |  | 
 | static const struct snd_soc_ops byt_cht_es8316_aif1_ops = { | 
 | 	.startup = byt_cht_es8316_aif1_startup, | 
 | }; | 
 |  | 
 | SND_SOC_DAILINK_DEF(dummy, | 
 | 	DAILINK_COMP_ARRAY(COMP_DUMMY())); | 
 |  | 
 | SND_SOC_DAILINK_DEF(media, | 
 | 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); | 
 |  | 
 | SND_SOC_DAILINK_DEF(deepbuffer, | 
 | 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); | 
 |  | 
 | SND_SOC_DAILINK_DEF(ssp2_port, | 
 | 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port"))); | 
 | SND_SOC_DAILINK_DEF(ssp2_codec, | 
 | 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi"))); | 
 |  | 
 | SND_SOC_DAILINK_DEF(platform, | 
 | 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); | 
 |  | 
 | static struct snd_soc_dai_link byt_cht_es8316_dais[] = { | 
 | 	[MERR_DPCM_AUDIO] = { | 
 | 		.name = "Audio Port", | 
 | 		.stream_name = "Audio", | 
 | 		.nonatomic = true, | 
 | 		.dynamic = 1, | 
 | 		.dpcm_playback = 1, | 
 | 		.dpcm_capture = 1, | 
 | 		.ops = &byt_cht_es8316_aif1_ops, | 
 | 		SND_SOC_DAILINK_REG(media, dummy, platform), | 
 | 	}, | 
 |  | 
 | 	[MERR_DPCM_DEEP_BUFFER] = { | 
 | 		.name = "Deep-Buffer Audio Port", | 
 | 		.stream_name = "Deep-Buffer Audio", | 
 | 		.nonatomic = true, | 
 | 		.dynamic = 1, | 
 | 		.dpcm_playback = 1, | 
 | 		.ops = &byt_cht_es8316_aif1_ops, | 
 | 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), | 
 | 	}, | 
 |  | 
 | 		/* back ends */ | 
 | 	{ | 
 | 		.name = "SSP2-Codec", | 
 | 		.id = 0, | 
 | 		.no_pcm = 1, | 
 | 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 
 | 						| SND_SOC_DAIFMT_CBC_CFC, | 
 | 		.be_hw_params_fixup = byt_cht_es8316_codec_fixup, | 
 | 		.dpcm_playback = 1, | 
 | 		.dpcm_capture = 1, | 
 | 		.init = byt_cht_es8316_init, | 
 | 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), | 
 | 	}, | 
 | }; | 
 |  | 
 |  | 
 | /* SoC card */ | 
 | static char codec_name[SND_ACPI_I2C_ID_LEN]; | 
 | #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) | 
 | static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */ | 
 | #endif | 
 | static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */ | 
 |  | 
 | static int byt_cht_es8316_suspend(struct snd_soc_card *card) | 
 | { | 
 | 	struct snd_soc_component *component; | 
 |  | 
 | 	for_each_card_components(card, component) { | 
 | 		if (!strcmp(component->name, codec_name)) { | 
 | 			dev_dbg(component->dev, "disabling jack detect before suspend\n"); | 
 | 			snd_soc_component_set_jack(component, NULL, NULL); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int byt_cht_es8316_resume(struct snd_soc_card *card) | 
 | { | 
 | 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); | 
 | 	struct snd_soc_component *component; | 
 |  | 
 | 	for_each_card_components(card, component) { | 
 | 		if (!strcmp(component->name, codec_name)) { | 
 | 			dev_dbg(component->dev, "re-enabling jack detect after resume\n"); | 
 | 			snd_soc_component_set_jack(component, &priv->jack, NULL); | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* | 
 | 	 * Some Cherry Trail boards with an ES8316 codec have a bug in their | 
 | 	 * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods | 
 | 	 * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown | 
 | 	 * that this really is a bug and the GPIO has no influence on the | 
 | 	 * touchscreen at all. | 
 | 	 * | 
 | 	 * The silead.c touchscreen driver does not support runtime suspend, so | 
 | 	 * the GPIO can only be changed underneath us during a system suspend. | 
 | 	 * This resume() function runs from a pm complete() callback, and thus | 
 | 	 * is guaranteed to run after the touchscreen driver/ACPI-subsys has | 
 | 	 * brought the touchscreen back up again (and thus changed the GPIO). | 
 | 	 * | 
 | 	 * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when | 
 | 	 * requesting the GPIO and we set its value here to undo any changes | 
 | 	 * done by the touchscreen's broken _PS0 ACPI method. | 
 | 	 */ | 
 | 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en); | 
 |  | 
 | 	return 0; | 
 | } | 
 |  | 
 | /* use space before codec name to simplify card ID, and simplify driver name */ | 
 | #define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */ | 
 | #define SOF_DRIVER_NAME "SOF" | 
 |  | 
 | #define CARD_NAME "bytcht-es8316" | 
 | #define DRIVER_NAME NULL /* card name will be used for driver name */ | 
 |  | 
 | static struct snd_soc_card byt_cht_es8316_card = { | 
 | 	.owner = THIS_MODULE, | 
 | 	.dai_link = byt_cht_es8316_dais, | 
 | 	.num_links = ARRAY_SIZE(byt_cht_es8316_dais), | 
 | 	.dapm_widgets = byt_cht_es8316_widgets, | 
 | 	.num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets), | 
 | 	.dapm_routes = byt_cht_es8316_audio_map, | 
 | 	.num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map), | 
 | 	.controls = byt_cht_es8316_controls, | 
 | 	.num_controls = ARRAY_SIZE(byt_cht_es8316_controls), | 
 | 	.fully_routed = true, | 
 | 	.suspend_pre = byt_cht_es8316_suspend, | 
 | 	.resume_post = byt_cht_es8316_resume, | 
 | }; | 
 |  | 
 | static const struct acpi_gpio_params first_gpio = { 0, 0, false }; | 
 |  | 
 | static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = { | 
 | 	{ "speaker-enable-gpios", &first_gpio, 1 }, | 
 | 	{ }, | 
 | }; | 
 |  | 
 | /* Please keep this list alphabetically sorted */ | 
 | static const struct dmi_system_id byt_cht_es8316_quirk_table[] = { | 
 | 	{	/* Irbis NB41 */ | 
 | 		.matches = { | 
 | 			DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"), | 
 | 			DMI_MATCH(DMI_PRODUCT_NAME, "NB41"), | 
 | 		}, | 
 | 		.driver_data = (void *)(BYT_CHT_ES8316_SSP0 | 
 | 					| BYT_CHT_ES8316_INTMIC_IN2_MAP | 
 | 					| BYT_CHT_ES8316_JD_INVERTED), | 
 | 	}, | 
 | 	{	/* Nanote UMPC-01 */ | 
 | 		.matches = { | 
 | 			DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"), | 
 | 			DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"), | 
 | 		}, | 
 | 		.driver_data = (void *)BYT_CHT_ES8316_INTMIC_IN1_MAP, | 
 | 	}, | 
 | 	{	/* Teclast X98 Plus II */ | 
 | 		.matches = { | 
 | 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), | 
 | 			DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"), | 
 | 		}, | 
 | 		.driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP | 
 | 					| BYT_CHT_ES8316_JD_INVERTED), | 
 | 	}, | 
 | 	{} | 
 | }; | 
 |  | 
 | static int byt_cht_es8316_get_quirks_from_dsm(struct byt_cht_es8316_private *priv, | 
 | 					      bool is_bytcr) | 
 | { | 
 | 	int ret, val1, val2, dsm_quirk = 0; | 
 |  | 
 | 	if (is_bytcr) | 
 | 		dsm_quirk |= BYT_CHT_ES8316_SSP0; | 
 |  | 
 | 	ret = es83xx_dsm(priv->codec_dev, PLATFORM_MAINMIC_TYPE_ARG, &val1); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	ret = es83xx_dsm(priv->codec_dev, PLATFORM_HPMIC_TYPE_ARG, &val2); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	if (val1 == PLATFORM_MIC_AMIC_LIN1RIN1 && val2 == PLATFORM_MIC_AMIC_LIN2RIN2) { | 
 | 		dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN1_MAP; | 
 | 	} else if (val1 == PLATFORM_MIC_AMIC_LIN2RIN2 && val2 == PLATFORM_MIC_AMIC_LIN1RIN1) { | 
 | 		dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN2_MAP; | 
 | 	} else { | 
 | 		dev_warn(priv->codec_dev, "Unknown mic settings mainmic 0x%02x hpmic 0x%02x\n", | 
 | 			 val1, val2); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	ret = es83xx_dsm(priv->codec_dev, PLATFORM_SPK_TYPE_ARG, &val1); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	switch (val1) { | 
 | 	case PLATFORM_SPK_MONO: | 
 | 		dsm_quirk |= BYT_CHT_ES8316_MONO_SPEAKER; | 
 | 		break; | 
 | 	case PLATFORM_SPK_STEREO: | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(priv->codec_dev, "Unknown speaker setting 0x%02x\n", val1); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	ret = es83xx_dsm(priv->codec_dev, PLATFORM_HPDET_INV_ARG, &val1); | 
 | 	if (ret < 0) | 
 | 		return ret; | 
 |  | 
 | 	switch (val1) { | 
 | 	case PLATFORM_HPDET_NORMAL: | 
 | 		break; | 
 | 	case PLATFORM_HPDET_INVERTED: | 
 | 		dsm_quirk |= BYT_CHT_ES8316_JD_INVERTED; | 
 | 		break; | 
 | 	default: | 
 | 		dev_warn(priv->codec_dev, "Unknown hpdet-inv setting 0x%02x\n", val1); | 
 | 		return -EINVAL; | 
 | 	} | 
 |  | 
 | 	quirk = dsm_quirk; | 
 | 	return 0; | 
 | } | 
 |  | 
 | static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev) | 
 | { | 
 | 	struct device *dev = &pdev->dev; | 
 | 	static const char * const mic_name[] = { "in1", "in2" }; | 
 | 	struct snd_soc_acpi_mach *mach = dev_get_platdata(dev); | 
 | 	struct property_entry props[MAX_NO_PROPS] = {}; | 
 | 	struct byt_cht_es8316_private *priv; | 
 | 	const struct dmi_system_id *dmi_id; | 
 | 	struct fwnode_handle *fwnode; | 
 | 	bool sof_parent, is_bytcr; | 
 | 	const char *platform_name; | 
 | 	struct acpi_device *adev; | 
 | 	struct device *codec_dev; | 
 | 	unsigned int cnt = 0; | 
 | 	int dai_index = 0; | 
 | 	int i; | 
 | 	int ret = 0; | 
 |  | 
 | 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); | 
 | 	if (!priv) | 
 | 		return -ENOMEM; | 
 |  | 
 | 	/* fix index of codec dai */ | 
 | 	for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) { | 
 | 		if (byt_cht_es8316_dais[i].num_codecs && | 
 | 		    !strcmp(byt_cht_es8316_dais[i].codecs->name, | 
 | 			    "i2c-ESSX8316:00")) { | 
 | 			dai_index = i; | 
 | 			break; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* fixup codec name based on HID */ | 
 | 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); | 
 | 	if (adev) { | 
 | 		snprintf(codec_name, sizeof(codec_name), | 
 | 			 "i2c-%s", acpi_dev_name(adev)); | 
 | 		byt_cht_es8316_dais[dai_index].codecs->name = codec_name; | 
 | 	} else { | 
 | 		dev_err(dev, "Error cannot find '%s' dev\n", mach->id); | 
 | 		return -ENOENT; | 
 | 	} | 
 |  | 
 | 	codec_dev = acpi_get_first_physical_node(adev); | 
 | 	acpi_dev_put(adev); | 
 | 	if (!codec_dev) | 
 | 		return -EPROBE_DEFER; | 
 | 	priv->codec_dev = get_device(codec_dev); | 
 |  | 
 | 	/* override platform name, if required */ | 
 | 	byt_cht_es8316_card.dev = dev; | 
 | 	platform_name = mach->mach_params.platform; | 
 |  | 
 | 	ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card, | 
 | 						    platform_name); | 
 | 	if (ret) { | 
 | 		put_device(codec_dev); | 
 | 		return ret; | 
 | 	} | 
 |  | 
 | 	es83xx_dsm_dump(priv->codec_dev); | 
 |  | 
 | 	/* Check for BYTCR or other platform and setup quirks */ | 
 | 	is_bytcr = soc_intel_is_byt() && mach->mach_params.acpi_ipc_irq_index == 0; | 
 | 	dmi_id = dmi_first_match(byt_cht_es8316_quirk_table); | 
 | 	if (dmi_id) { | 
 | 		quirk = (unsigned long)dmi_id->driver_data; | 
 | 	} else if (!byt_cht_es8316_get_quirks_from_dsm(priv, is_bytcr)) { | 
 | 		dev_info(dev, "Using ACPI DSM info for quirks\n"); | 
 | 	} else if (is_bytcr) { | 
 | 		/* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */ | 
 | 		quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP | | 
 | 			BYT_CHT_ES8316_MONO_SPEAKER; | 
 | 	} else { | 
 | 		/* Others default to internal-mic-in1-map, mono-speaker */ | 
 | 		quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP | | 
 | 			BYT_CHT_ES8316_MONO_SPEAKER; | 
 | 	} | 
 | 	if (quirk_override != -1) { | 
 | 		dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n", | 
 | 			 quirk, quirk_override); | 
 | 		quirk = quirk_override; | 
 | 	} | 
 | 	log_quirks(dev); | 
 |  | 
 | 	if (quirk & BYT_CHT_ES8316_SSP0) | 
 | 		byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port"; | 
 |  | 
 | 	/* get the clock */ | 
 | 	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3"); | 
 | 	if (IS_ERR(priv->mclk)) { | 
 | 		put_device(codec_dev); | 
 | 		return dev_err_probe(dev, PTR_ERR(priv->mclk), "clk_get pmc_plt_clk_3 failed\n"); | 
 | 	} | 
 |  | 
 | 	if (quirk & BYT_CHT_ES8316_JD_INVERTED) | 
 | 		props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted"); | 
 |  | 
 | 	if (cnt) { | 
 | 		fwnode = fwnode_create_software_node(props, NULL); | 
 | 		if (IS_ERR(fwnode)) { | 
 | 			put_device(codec_dev); | 
 | 			return PTR_ERR(fwnode); | 
 | 		} | 
 |  | 
 | 		ret = device_add_software_node(codec_dev, to_software_node(fwnode)); | 
 |  | 
 | 		fwnode_handle_put(fwnode); | 
 |  | 
 | 		if (ret) { | 
 | 			put_device(codec_dev); | 
 | 			return ret; | 
 | 		} | 
 | 	} | 
 |  | 
 | 	/* get speaker enable GPIO */ | 
 | 	devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios); | 
 | 	priv->speaker_en_gpio = | 
 | 		gpiod_get_optional(codec_dev, "speaker-enable", | 
 | 				   /* see comment in byt_cht_es8316_resume() */ | 
 | 				   GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE); | 
 | 	if (IS_ERR(priv->speaker_en_gpio)) { | 
 | 		ret = dev_err_probe(dev, PTR_ERR(priv->speaker_en_gpio), | 
 | 				    "get speaker GPIO failed\n"); | 
 | 		goto err_put_codec; | 
 | 	} | 
 |  | 
 | 	snprintf(components_string, sizeof(components_string), | 
 | 		 "cfg-spk:%s cfg-mic:%s", | 
 | 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2", | 
 | 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]); | 
 | 	byt_cht_es8316_card.components = components_string; | 
 | #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) | 
 | 	snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic", | 
 | 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo", | 
 | 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]); | 
 | 	byt_cht_es8316_card.long_name = long_name; | 
 | #endif | 
 |  | 
 | 	sof_parent = snd_soc_acpi_sof_parent(dev); | 
 |  | 
 | 	/* set card and driver name */ | 
 | 	if (sof_parent) { | 
 | 		byt_cht_es8316_card.name = SOF_CARD_NAME; | 
 | 		byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME; | 
 | 	} else { | 
 | 		byt_cht_es8316_card.name = CARD_NAME; | 
 | 		byt_cht_es8316_card.driver_name = DRIVER_NAME; | 
 | 	} | 
 |  | 
 | 	/* set pm ops */ | 
 | 	if (sof_parent) | 
 | 		dev->driver->pm = &snd_soc_pm_ops; | 
 |  | 
 | 	/* register the soc card */ | 
 | 	snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv); | 
 |  | 
 | 	ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card); | 
 | 	if (ret) { | 
 | 		gpiod_put(priv->speaker_en_gpio); | 
 | 		dev_err(dev, "snd_soc_register_card failed: %d\n", ret); | 
 | 		goto err_put_codec; | 
 | 	} | 
 | 	platform_set_drvdata(pdev, &byt_cht_es8316_card); | 
 | 	return 0; | 
 |  | 
 | err_put_codec: | 
 | 	device_remove_software_node(priv->codec_dev); | 
 | 	put_device(priv->codec_dev); | 
 | 	return ret; | 
 | } | 
 |  | 
 | static void snd_byt_cht_es8316_mc_remove(struct platform_device *pdev) | 
 | { | 
 | 	struct snd_soc_card *card = platform_get_drvdata(pdev); | 
 | 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); | 
 |  | 
 | 	gpiod_put(priv->speaker_en_gpio); | 
 | 	device_remove_software_node(priv->codec_dev); | 
 | 	put_device(priv->codec_dev); | 
 | } | 
 |  | 
 | static struct platform_driver snd_byt_cht_es8316_mc_driver = { | 
 | 	.driver = { | 
 | 		.name = "bytcht_es8316", | 
 | 	}, | 
 | 	.probe = snd_byt_cht_es8316_mc_probe, | 
 | 	.remove = snd_byt_cht_es8316_mc_remove, | 
 | }; | 
 |  | 
 | module_platform_driver(snd_byt_cht_es8316_mc_driver); | 
 | MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver"); | 
 | MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>"); | 
 | MODULE_LICENSE("GPL v2"); | 
 | MODULE_ALIAS("platform:bytcht_es8316"); |