sound/soc/amd/acp3x-rt5682-max9836.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 //
 // Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
 //
 //Copyright 2016 Advanced Micro Devices, Inc.

 #include <sound/core.h>
 #include <sound/soc.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc-dapm.h>
 #include <sound/jack.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
 #include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/io.h>
 #include <linux/acpi.h>

 #include "raven/acp3x.h"
 #include "../codecs/rt5682.h"
 #include "../codecs/rt1015.h"

 #define PCO_PLAT_CLK 48000000
 #define RT5682_PLL_FREQ (48000 * 512)
 #define DUAL_CHANNEL		2

 static struct snd_soc_jack pco_jack;
 static struct clk *rt5682_dai_wclk;
 static struct clk *rt5682_dai_bclk;
 static struct gpio_desc *dmic_sel;
 void *soc_is_rltk_max(struct device *dev);

 enum {
 	RT5682 = 0,
 	MAX,
 	EC,
 };

 static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;
 	struct snd_soc_card *card = rtd->card;
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 	struct snd_soc_component *component = codec_dai->component;

 	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);

 	/* set rt5682 dai fmt */
 	ret =  snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
 			| SND_SOC_DAIFMT_NB_NF
 			| SND_SOC_DAIFMT_CBM_CFM);
 	if (ret < 0) {
 		dev_err(rtd->card->dev,
 				"Failed to set rt5682 dai fmt: %d\n", ret);
 		return ret;
 	}

 	/* set codec PLL */
 	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
 				  PCO_PLAT_CLK, RT5682_PLL_FREQ);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
 		return ret;
 	}

 	/* Set codec sysclk */
 	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
 			RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(rtd->dev,
 			"Failed to set rt5682 SYSCLK: %d\n", ret);
 		return ret;
 	}

 	/* Set tdm/i2s1 master bclk ratio */
 	ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
 	if (ret < 0) {
 		dev_err(rtd->dev,
 			"Failed to set rt5682 tdm bclk ratio: %d\n", ret);
 		return ret;
 	}

 	rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
 	rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");

 	ret = snd_soc_card_jack_new(card, "Headset Jack",
 				SND_JACK_HEADSET | SND_JACK_LINEOUT |
 				SND_JACK_BTN_0 | SND_JACK_BTN_1 |
 				SND_JACK_BTN_2 | SND_JACK_BTN_3,
 				&pco_jack, NULL, 0);
 	if (ret) {
 		dev_err(card->dev, "HP jack creation failed %d\n", ret);
 		return ret;
 	}

 	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
 	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
 	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);

 	ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
 	if (ret) {
 		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 		return ret;
 	}

 	return ret;
 }

 static int rt5682_clk_enable(struct snd_pcm_substream *substream)
 {
 	int ret = 0;
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

 	/* RT5682 will support only 48K output with 48M mclk */
 	clk_set_rate(rt5682_dai_wclk, 48000);
 	clk_set_rate(rt5682_dai_bclk, 48000 * 64);
 	ret = clk_prepare_enable(rt5682_dai_wclk);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't enable wclk %d\n", ret);
 		return ret;
 	}

 	return ret;
 }

 static int acp3x_1015_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;
 	int srate, i, ret;

 	ret = 0;
 	srate = params_rate(params);

 	for_each_rtd_codec_dais(rtd, i, codec_dai) {
 		if (strcmp(codec_dai->name, "rt1015-aif"))
 			continue;

 		ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
 						64 * srate, 256 * srate);
 		if (ret < 0)
 			return ret;
 		ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
 					256 * srate, SND_SOC_CLOCK_IN);
 		if (ret < 0)
 			return ret;
 	}
 	return ret;
 }

 static void rt5682_clk_disable(void)
 {
 	clk_disable_unprepare(rt5682_dai_wclk);
 }

 static const unsigned int channels[] = {
 	DUAL_CHANNEL,
 };

 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 struct snd_pcm_hw_constraint_list constraints_channels = {
 	.count = ARRAY_SIZE(channels),
 	.list = channels,
 	.mask = 0,
 };

 static int acp3x_5682_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_soc_card *card = rtd->card;
 	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

 	machine->play_i2s_instance = I2S_SP_INSTANCE;
 	machine->cap_i2s_instance = I2S_SP_INSTANCE;

 	runtime->hw.channels_max = DUAL_CHANNEL;
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 				   &constraints_channels);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				   &constraints_rates);
 	return rt5682_clk_enable(substream);
 }

 static int acp3x_max_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime = substream->runtime;
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_soc_card *card = rtd->card;
 	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

 	machine->play_i2s_instance = I2S_BT_INSTANCE;

 	runtime->hw.channels_max = DUAL_CHANNEL;
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 				   &constraints_channels);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				   &constraints_rates);
 	return rt5682_clk_enable(substream);
 }

 static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
 	struct snd_soc_card *card = rtd->card;
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

 	machine->cap_i2s_instance = I2S_BT_INSTANCE;
 	snd_soc_dai_set_bclk_ratio(codec_dai, 64);

 	return rt5682_clk_enable(substream);
 }

 static int dmic_switch;

 static int dmic_get(struct snd_kcontrol *kcontrol,
 			 struct snd_ctl_elem_value *ucontrol)
 {
 	ucontrol->value.integer.value[0] = dmic_switch;
 	return 0;
 }

 static int dmic_set(struct snd_kcontrol *kcontrol,
 			 struct snd_ctl_elem_value *ucontrol)
 {
 	if (dmic_sel) {
 		dmic_switch = ucontrol->value.integer.value[0];
 		gpiod_set_value(dmic_sel, dmic_switch);
 	}
 	return 0;
 }

 static void rt5682_shutdown(struct snd_pcm_substream *substream)
 {
 	rt5682_clk_disable();
 }

 static const struct snd_soc_ops acp3x_5682_ops = {
 	.startup = acp3x_5682_startup,
 	.shutdown = rt5682_shutdown,
 };

 static const struct snd_soc_ops acp3x_max_play_ops = {
 	.startup = acp3x_max_startup,
 	.shutdown = rt5682_shutdown,
 	.hw_params = acp3x_1015_hw_params,
 };

 static const struct snd_soc_ops acp3x_ec_cap0_ops = {
 	.startup = acp3x_ec_dmic0_startup,
 	.shutdown = rt5682_shutdown,
 };

 SND_SOC_DAILINK_DEF(acp3x_i2s,
 	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
 SND_SOC_DAILINK_DEF(acp3x_bt,
 	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));

 SND_SOC_DAILINK_DEF(rt5682,
 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
 SND_SOC_DAILINK_DEF(max,
 	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
 SND_SOC_DAILINK_DEF(rt1015p,
 	DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
 SND_SOC_DAILINK_DEF(rt1015,
 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
 			COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
 SND_SOC_DAILINK_DEF(cros_ec,
 	DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));

 SND_SOC_DAILINK_DEF(platform,
 	DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));

 static struct snd_soc_codec_conf rt1015_conf[] = {
 	{
 		.dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
 		.name_prefix = "Left",
 	},
 	{
 		.dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
 		.name_prefix = "Right",
 	},
 };

 static struct snd_soc_dai_link acp3x_dai[] = {
 	[RT5682] = {
 		.name = "acp3x-5682-play",
 		.stream_name = "Playback",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 				| SND_SOC_DAIFMT_CBM_CFM,
 		.init = acp3x_5682_init,
 		.dpcm_playback = 1,
 		.dpcm_capture = 1,
 		.ops = &acp3x_5682_ops,
 		SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
 	},
 	[MAX] = {
 		.name = "acp3x-max98357-play",
 		.stream_name = "HiFi Playback",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 				| SND_SOC_DAIFMT_CBS_CFS,
 		.dpcm_playback = 1,
 		.ops = &acp3x_max_play_ops,
 		.cpus = acp3x_bt,
 		.num_cpus = ARRAY_SIZE(acp3x_bt),
 		.platforms = platform,
 		.num_platforms = ARRAY_SIZE(platform),
 	},
 	[EC] = {
 		.name = "acp3x-ec-dmic0-capture",
 		.stream_name = "Capture DMIC0",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 				| SND_SOC_DAIFMT_CBS_CFS,
 		.dpcm_capture = 1,
 		.ops = &acp3x_ec_cap0_ops,
 		SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
 	},
 };

 static const char * const dmic_mux_text[] = {
 	"Front Mic",
 	"Rear Mic",
 };

 static SOC_ENUM_SINGLE_DECL(
 		acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);

 static const struct snd_kcontrol_new acp3x_dmic_mux_control =
 	SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
 			  dmic_get, dmic_set);

 static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_SPK("Spk", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 			 &acp3x_dmic_mux_control),
 };

 static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
 	{"Headphone Jack", NULL, "HPOL"},
 	{"Headphone Jack", NULL, "HPOR"},
 	{"IN1P", NULL, "Headset Mic"},
 	{"Spk", NULL, "Speaker"},
 	{"Dmic Mux", "Front Mic", "DMIC"},
 	{"Dmic Mux", "Rear Mic", "DMIC"},
 };

 static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Spk"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 };

 static struct snd_soc_card acp3x_5682 = {
 	.name = "acp3xalc5682m98357",
 	.owner = THIS_MODULE,
 	.dai_link = acp3x_dai,
 	.num_links = ARRAY_SIZE(acp3x_dai),
 	.dapm_widgets = acp3x_5682_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
 	.dapm_routes = acp3x_5682_audio_route,
 	.num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
 	.controls = acp3x_5682_mc_controls,
 	.num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
 };

 static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 			 &acp3x_dmic_mux_control),
 	SND_SOC_DAPM_SPK("Left Spk", NULL),
 	SND_SOC_DAPM_SPK("Right Spk", NULL),
 };

 static const struct snd_soc_dapm_route acp3x_1015_route[] = {
 	{"Headphone Jack", NULL, "HPOL"},
 	{"Headphone Jack", NULL, "HPOR"},
 	{"IN1P", NULL, "Headset Mic"},
 	{"Dmic Mux", "Front Mic", "DMIC"},
 	{"Dmic Mux", "Rear Mic", "DMIC"},
 	{"Left Spk", NULL, "Left SPO"},
 	{"Right Spk", NULL, "Right SPO"},
 };

 static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Left Spk"),
 	SOC_DAPM_PIN_SWITCH("Right Spk"),
 };

 static struct snd_soc_card acp3x_1015 = {
 	.name = "acp3xalc56821015",
 	.owner = THIS_MODULE,
 	.dai_link = acp3x_dai,
 	.num_links = ARRAY_SIZE(acp3x_dai),
 	.dapm_widgets = acp3x_1015_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
 	.dapm_routes = acp3x_1015_route,
 	.num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
 	.codec_conf = rt1015_conf,
 	.num_configs = ARRAY_SIZE(rt1015_conf),
 	.controls = acp3x_mc_1015_controls,
 	.num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
 };

 static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
 	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
 			 &acp3x_dmic_mux_control),
 	SND_SOC_DAPM_SPK("Speakers", NULL),
 };

 static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
 	{"Headphone Jack", NULL, "HPOL"},
 	{"Headphone Jack", NULL, "HPOR"},
 	{"IN1P", NULL, "Headset Mic"},
 	{"Dmic Mux", "Front Mic", "DMIC"},
 	{"Dmic Mux", "Rear Mic", "DMIC"},
 	/* speaker */
 	{ "Speakers", NULL, "Speaker" },
 };

 static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Speakers"),
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 };

 static struct snd_soc_card acp3x_1015p = {
 	.name = "acp3xalc56821015p",
 	.owner = THIS_MODULE,
 	.dai_link = acp3x_dai,
 	.num_links = ARRAY_SIZE(acp3x_dai),
 	.dapm_widgets = acp3x_1015p_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
 	.dapm_routes = acp3x_1015p_route,
 	.num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
 	.controls = acp3x_mc_1015p_controls,
 	.num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
 };

 void *soc_is_rltk_max(struct device *dev)
 {
 	const struct acpi_device_id *match;

 	match = acpi_match_device(dev->driver->acpi_match_table, dev);
 	if (!match)
 		return NULL;
 	return (void *)match->driver_data;
 }

 static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
 						const char *card_name)
 {
 	if (!strcmp(card_name, "acp3xalc56821015")) {
 		links[1].codecs = rt1015;
 		links[1].num_codecs = ARRAY_SIZE(rt1015);
 	} else if (!strcmp(card_name, "acp3xalc56821015p")) {
 		links[1].codecs = rt1015p;
 		links[1].num_codecs = ARRAY_SIZE(rt1015p);
 	} else {
 		links[1].codecs = max;
 		links[1].num_codecs = ARRAY_SIZE(max);
 	}
 }

 static int acp3x_probe(struct platform_device *pdev)
 {
 	int ret;
 	struct snd_soc_card *card;
 	struct acp3x_platform_info *machine;
 	struct device *dev = &pdev->dev;

 	card = (struct snd_soc_card *)soc_is_rltk_max(dev);
 	if (!card)
 		return -ENODEV;

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

 	card_spk_dai_link_present(card->dai_link, card->name);
 	card->dev = &pdev->dev;
 	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, machine);

 	dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
 	if (IS_ERR(dmic_sel)) {
 		dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
 			PTR_ERR(dmic_sel));
 		return PTR_ERR(dmic_sel);
 	}

 	ret = devm_snd_soc_register_card(&pdev->dev, card);
 	if (ret) {
 		if (ret != -EPROBE_DEFER)
 			dev_err(&pdev->dev,
 				"devm_snd_soc_register_card(%s) failed: %d\n",
 				card->name, ret);
 		else
 			dev_dbg(&pdev->dev,
 				"devm_snd_soc_register_card(%s) probe deferred: %d\n",
 				card->name, ret);
 	}

 	return ret;
 }

 static const struct acpi_device_id acp3x_audio_acpi_match[] = {
 	{ "AMDI5682", (unsigned long)&acp3x_5682},
 	{ "AMDI1015", (unsigned long)&acp3x_1015},
 	{ "10021015", (unsigned long)&acp3x_1015p},
 	{},
 };
 MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);

 static struct platform_driver acp3x_audio = {
 	.driver = {
 		.name = "acp3x-alc5682-max98357",
 		.acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
 		.pm = &snd_soc_pm_ops,
 	},
 	.probe = acp3x_probe,
 };

 module_platform_driver(acp3x_audio);

 MODULE_AUTHOR("akshu.agrawal@amd.com");
 MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
 MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
 MODULE_LICENSE("GPL v2");
	// SPDX-License-Identifier: GPL-2.0+
	//
	// Machine driver for AMD ACP Audio engine using DA7219 & MAX98357 codec.
	//
	//Copyright 2016 Advanced Micro Devices, Inc.

	#include <sound/core.h>
	#include <sound/soc.h>
	#include <sound/pcm.h>
	#include <sound/pcm_params.h>
	#include <sound/soc-dapm.h>
	#include <sound/jack.h>
	#include <linux/clk.h>
	#include <linux/gpio.h>
	#include <linux/gpio/consumer.h>
	#include <linux/module.h>
	#include <linux/i2c.h>
	#include <linux/input.h>
	#include <linux/io.h>
	#include <linux/acpi.h>

	#include "raven/acp3x.h"
	#include "../codecs/rt5682.h"
	#include "../codecs/rt1015.h"

	#define PCO_PLAT_CLK 48000000
	#define RT5682_PLL_FREQ (48000 * 512)
	#define DUAL_CHANNEL 2

	static struct snd_soc_jack pco_jack;
	static struct clk *rt5682_dai_wclk;
	static struct clk *rt5682_dai_bclk;
	static struct gpio_desc *dmic_sel;
	void soc_is_rltk_max(struct device dev);

	enum {
	RT5682 = 0,
	MAX,
	EC,
	};

	static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
	{
	int ret;
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct snd_soc_component *component = codec_dai->component;

	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);

	/* set rt5682 dai fmt */
	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S
	\| SND_SOC_DAIFMT_NB_NF
	\| SND_SOC_DAIFMT_CBM_CFM);
	if (ret < 0) {
	dev_err(rtd->card->dev,
	"Failed to set rt5682 dai fmt: %d\n", ret);
	return ret;
	}

	/* set codec PLL */
	ret = snd_soc_dai_set_pll(codec_dai, RT5682_PLL2, RT5682_PLL2_S_MCLK,
	PCO_PLAT_CLK, RT5682_PLL_FREQ);
	if (ret < 0) {
	dev_err(rtd->dev, "can't set rt5682 PLL: %d\n", ret);
	return ret;
	}

	/* Set codec sysclk */
	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
	RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
	if (ret < 0) {
	dev_err(rtd->dev,
	"Failed to set rt5682 SYSCLK: %d\n", ret);
	return ret;
	}

	/* Set tdm/i2s1 master bclk ratio */
	ret = snd_soc_dai_set_bclk_ratio(codec_dai, 64);
	if (ret < 0) {
	dev_err(rtd->dev,
	"Failed to set rt5682 tdm bclk ratio: %d\n", ret);
	return ret;
	}

	rt5682_dai_wclk = clk_get(component->dev, "rt5682-dai-wclk");
	rt5682_dai_bclk = clk_get(component->dev, "rt5682-dai-bclk");

	ret = snd_soc_card_jack_new(card, "Headset Jack",
	SND_JACK_HEADSET \| SND_JACK_LINEOUT \|
	SND_JACK_BTN_0 \| SND_JACK_BTN_1 \|
	SND_JACK_BTN_2 \| SND_JACK_BTN_3,
	&pco_jack, NULL, 0);
	if (ret) {
	dev_err(card->dev, "HP jack creation failed %d\n", ret);
	return ret;
	}

	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
	snd_jack_set_key(pco_jack.jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);

	ret = snd_soc_component_set_jack(component, &pco_jack, NULL);
	if (ret) {
	dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
	return ret;
	}

	return ret;
	}

	static int rt5682_clk_enable(struct snd_pcm_substream *substream)
	{
	int ret = 0;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);

	/* RT5682 will support only 48K output with 48M mclk */
	clk_set_rate(rt5682_dai_wclk, 48000);
	clk_set_rate(rt5682_dai_bclk, 48000 * 64);
	ret = clk_prepare_enable(rt5682_dai_wclk);
	if (ret < 0) {
	dev_err(rtd->dev, "can't enable wclk %d\n", ret);
	return ret;
	}

	return ret;
	}

	static int acp3x_1015_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;
	int srate, i, ret;

	ret = 0;
	srate = params_rate(params);

	for_each_rtd_codec_dais(rtd, i, codec_dai) {
	if (strcmp(codec_dai->name, "rt1015-aif"))
	continue;

	ret = snd_soc_dai_set_pll(codec_dai, 0, RT1015_PLL_S_BCLK,
	64 * srate, 256 * srate);
	if (ret < 0)
	return ret;
	ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
	256 * srate, SND_SOC_CLOCK_IN);
	if (ret < 0)
	return ret;
	}
	return ret;
	}

	static void rt5682_clk_disable(void)
	{
	clk_disable_unprepare(rt5682_dai_wclk);
	}

	static const unsigned int channels[] = {
	DUAL_CHANNEL,
	};

	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 struct snd_pcm_hw_constraint_list constraints_channels = {
	.count = ARRAY_SIZE(channels),
	.list = channels,
	.mask = 0,
	};

	static int acp3x_5682_startup(struct snd_pcm_substream *substream)
	{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->play_i2s_instance = I2S_SP_INSTANCE;
	machine->cap_i2s_instance = I2S_SP_INSTANCE;

	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
	&constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
	&constraints_rates);
	return rt5682_clk_enable(substream);
	}

	static int acp3x_max_startup(struct snd_pcm_substream *substream)
	{
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->play_i2s_instance = I2S_BT_INSTANCE;

	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
	&constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
	&constraints_rates);
	return rt5682_clk_enable(substream);
	}

	static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
	{
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_card *card = rtd->card;
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);

	machine->cap_i2s_instance = I2S_BT_INSTANCE;
	snd_soc_dai_set_bclk_ratio(codec_dai, 64);

	return rt5682_clk_enable(substream);
	}

	static int dmic_switch;

	static int dmic_get(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
	{
	ucontrol->value.integer.value[0] = dmic_switch;
	return 0;
	}

	static int dmic_set(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
	{
	if (dmic_sel) {
	dmic_switch = ucontrol->value.integer.value[0];
	gpiod_set_value(dmic_sel, dmic_switch);
	}
	return 0;
	}

	static void rt5682_shutdown(struct snd_pcm_substream *substream)
	{
	rt5682_clk_disable();
	}

	static const struct snd_soc_ops acp3x_5682_ops = {
	.startup = acp3x_5682_startup,
	.shutdown = rt5682_shutdown,
	};

	static const struct snd_soc_ops acp3x_max_play_ops = {
	.startup = acp3x_max_startup,
	.shutdown = rt5682_shutdown,
	.hw_params = acp3x_1015_hw_params,
	};

	static const struct snd_soc_ops acp3x_ec_cap0_ops = {
	.startup = acp3x_ec_dmic0_startup,
	.shutdown = rt5682_shutdown,
	};

	SND_SOC_DAILINK_DEF(acp3x_i2s,
	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.0")));
	SND_SOC_DAILINK_DEF(acp3x_bt,
	DAILINK_COMP_ARRAY(COMP_CPU("acp3x_i2s_playcap.2")));

	SND_SOC_DAILINK_DEF(rt5682,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC5682:00", "rt5682-aif1")));
	SND_SOC_DAILINK_DEF(max,
	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", "HiFi")));
	SND_SOC_DAILINK_DEF(rt1015p,
	DAILINK_COMP_ARRAY(COMP_CODEC("RTL1015:00", "HiFi")));
	SND_SOC_DAILINK_DEF(rt1015,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC1015:00", "rt1015-aif"),
	COMP_CODEC("i2c-10EC1015:01", "rt1015-aif")));
	SND_SOC_DAILINK_DEF(cros_ec,
	DAILINK_COMP_ARRAY(COMP_CODEC("GOOG0013:00", "EC Codec I2S RX")));

	SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("acp3x_rv_i2s_dma.0")));

	static struct snd_soc_codec_conf rt1015_conf[] = {
	{
	.dlc = COMP_CODEC_CONF("i2c-10EC1015:00"),
	.name_prefix = "Left",
	},
	{
	.dlc = COMP_CODEC_CONF("i2c-10EC1015:01"),
	.name_prefix = "Right",
	},
	};

	static struct snd_soc_dai_link acp3x_dai[] = {
	[RT5682] = {
	.name = "acp3x-5682-play",
	.stream_name = "Playback",
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	\| SND_SOC_DAIFMT_CBM_CFM,
	.init = acp3x_5682_init,
	.dpcm_playback = 1,
	.dpcm_capture = 1,
	.ops = &acp3x_5682_ops,
	SND_SOC_DAILINK_REG(acp3x_i2s, rt5682, platform),
	},
	[MAX] = {
	.name = "acp3x-max98357-play",
	.stream_name = "HiFi Playback",
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	\| SND_SOC_DAIFMT_CBS_CFS,
	.dpcm_playback = 1,
	.ops = &acp3x_max_play_ops,
	.cpus = acp3x_bt,
	.num_cpus = ARRAY_SIZE(acp3x_bt),
	.platforms = platform,
	.num_platforms = ARRAY_SIZE(platform),
	},
	[EC] = {
	.name = "acp3x-ec-dmic0-capture",
	.stream_name = "Capture DMIC0",
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	\| SND_SOC_DAIFMT_CBS_CFS,
	.dpcm_capture = 1,
	.ops = &acp3x_ec_cap0_ops,
	SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
	},
	};

	static const char * const dmic_mux_text[] = {
	"Front Mic",
	"Rear Mic",
	};

	static SOC_ENUM_SINGLE_DECL(
	acp3x_dmic_enum, SND_SOC_NOPM, 0, dmic_mux_text);

	static const struct snd_kcontrol_new acp3x_dmic_mux_control =
	SOC_DAPM_ENUM_EXT("DMIC Select Mux", acp3x_dmic_enum,
	dmic_get, dmic_set);

	static const struct snd_soc_dapm_widget acp3x_5682_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Spk", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
	&acp3x_dmic_mux_control),
	};

	static const struct snd_soc_dapm_route acp3x_5682_audio_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Spk", NULL, "Speaker"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
	};

	static const struct snd_kcontrol_new acp3x_5682_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Spk"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	};

	static struct snd_soc_card acp3x_5682 = {
	.name = "acp3xalc5682m98357",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_5682_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_5682_widgets),
	.dapm_routes = acp3x_5682_audio_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_5682_audio_route),
	.controls = acp3x_5682_mc_controls,
	.num_controls = ARRAY_SIZE(acp3x_5682_mc_controls),
	};

	static const struct snd_soc_dapm_widget acp3x_1015_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
	&acp3x_dmic_mux_control),
	SND_SOC_DAPM_SPK("Left Spk", NULL),
	SND_SOC_DAPM_SPK("Right Spk", NULL),
	};

	static const struct snd_soc_dapm_route acp3x_1015_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
	{"Left Spk", NULL, "Left SPO"},
	{"Right Spk", NULL, "Right SPO"},
	};

	static const struct snd_kcontrol_new acp3x_mc_1015_controls[] = {
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Left Spk"),
	SOC_DAPM_PIN_SWITCH("Right Spk"),
	};

	static struct snd_soc_card acp3x_1015 = {
	.name = "acp3xalc56821015",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_1015_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015_widgets),
	.dapm_routes = acp3x_1015_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_1015_route),
	.codec_conf = rt1015_conf,
	.num_configs = ARRAY_SIZE(rt1015_conf),
	.controls = acp3x_mc_1015_controls,
	.num_controls = ARRAY_SIZE(acp3x_mc_1015_controls),
	};

	static const struct snd_soc_dapm_widget acp3x_1015p_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_MIC("Headset Mic", NULL),
	SND_SOC_DAPM_MUX("Dmic Mux", SND_SOC_NOPM, 0, 0,
	&acp3x_dmic_mux_control),
	SND_SOC_DAPM_SPK("Speakers", NULL),
	};

	static const struct snd_soc_dapm_route acp3x_1015p_route[] = {
	{"Headphone Jack", NULL, "HPOL"},
	{"Headphone Jack", NULL, "HPOR"},
	{"IN1P", NULL, "Headset Mic"},
	{"Dmic Mux", "Front Mic", "DMIC"},
	{"Dmic Mux", "Rear Mic", "DMIC"},
	/* speaker */
	{ "Speakers", NULL, "Speaker" },
	};

	static const struct snd_kcontrol_new acp3x_mc_1015p_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speakers"),
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	};

	static struct snd_soc_card acp3x_1015p = {
	.name = "acp3xalc56821015p",
	.owner = THIS_MODULE,
	.dai_link = acp3x_dai,
	.num_links = ARRAY_SIZE(acp3x_dai),
	.dapm_widgets = acp3x_1015p_widgets,
	.num_dapm_widgets = ARRAY_SIZE(acp3x_1015p_widgets),
	.dapm_routes = acp3x_1015p_route,
	.num_dapm_routes = ARRAY_SIZE(acp3x_1015p_route),
	.controls = acp3x_mc_1015p_controls,
	.num_controls = ARRAY_SIZE(acp3x_mc_1015p_controls),
	};

	void soc_is_rltk_max(struct device dev)
	{
	const struct acpi_device_id *match;

	match = acpi_match_device(dev->driver->acpi_match_table, dev);
	if (!match)
	return NULL;
	return (void *)match->driver_data;
	}

	static void card_spk_dai_link_present(struct snd_soc_dai_link *links,
	const char *card_name)
	{
	if (!strcmp(card_name, "acp3xalc56821015")) {
	links[1].codecs = rt1015;
	links[1].num_codecs = ARRAY_SIZE(rt1015);
	} else if (!strcmp(card_name, "acp3xalc56821015p")) {
	links[1].codecs = rt1015p;
	links[1].num_codecs = ARRAY_SIZE(rt1015p);
	} else {
	links[1].codecs = max;
	links[1].num_codecs = ARRAY_SIZE(max);
	}
	}

	static int acp3x_probe(struct platform_device *pdev)
	{
	int ret;
	struct snd_soc_card *card;
	struct acp3x_platform_info *machine;
	struct device *dev = &pdev->dev;

	card = (struct snd_soc_card *)soc_is_rltk_max(dev);
	if (!card)
	return -ENODEV;

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

	card_spk_dai_link_present(card->dai_link, card->name);
	card->dev = &pdev->dev;
	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);

	dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
	if (IS_ERR(dmic_sel)) {
	dev_err(&pdev->dev, "DMIC gpio failed err=%ld\n",
	PTR_ERR(dmic_sel));
	return PTR_ERR(dmic_sel);
	}

	ret = devm_snd_soc_register_card(&pdev->dev, card);
	if (ret) {
	if (ret != -EPROBE_DEFER)
	dev_err(&pdev->dev,
	"devm_snd_soc_register_card(%s) failed: %d\n",
	card->name, ret);
	else
	dev_dbg(&pdev->dev,
	"devm_snd_soc_register_card(%s) probe deferred: %d\n",
	card->name, ret);
	}

	return ret;
	}

	static const struct acpi_device_id acp3x_audio_acpi_match[] = {
	{ "AMDI5682", (unsigned long)&acp3x_5682},
	{ "AMDI1015", (unsigned long)&acp3x_1015},
	{ "10021015", (unsigned long)&acp3x_1015p},
	{},
	};
	MODULE_DEVICE_TABLE(acpi, acp3x_audio_acpi_match);

	static struct platform_driver acp3x_audio = {
	.driver = {
	.name = "acp3x-alc5682-max98357",
	.acpi_match_table = ACPI_PTR(acp3x_audio_acpi_match),
	.pm = &snd_soc_pm_ops,
	},
	.probe = acp3x_probe,
	};

	module_platform_driver(acp3x_audio);

	MODULE_AUTHOR("akshu.agrawal@amd.com");
	MODULE_AUTHOR("Vishnuvardhanrao.Ravulapati@amd.com");
	MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
	MODULE_DESCRIPTION("ALC5682 ALC1015, ALC1015P & MAX98357 audio support");
	MODULE_LICENSE("GPL v2");