sound/soc/amd/acp-es8336.c - linux - Git at Google

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Machine driver for AMD Stoney platform using ES8336 Codec
  *
  * Copyright 2022 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/gpio.h>
 #include <linux/device.h>
 #include <linux/dmi.h>
 #include <linux/gpio/consumer.h>
 #include <linux/gpio/machine.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/acpi.h>

 #include "acp.h"

 #define DUAL_CHANNEL	2
 #define DRV_NAME "acp2x_mach"
 #define ST_JADEITE	1
 #define ES8336_PLL_FREQ (48000 * 256)

 static unsigned long acp2x_machine_id;
 static struct snd_soc_jack st_jack;
 static struct device *codec_dev;
 static struct gpio_desc *gpio_pa;

 static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
 					  struct snd_kcontrol *kcontrol, int event)
 {
 	if (SND_SOC_DAPM_EVENT_ON(event))
 		gpiod_set_value_cansleep(gpio_pa, true);
 	else
 		gpiod_set_value_cansleep(gpio_pa, false);

 	return 0;
 }

 static struct snd_soc_jack_pin st_es8316_jack_pins[] = {
 	{
 		.pin	= "Headphone",
 		.mask	= SND_JACK_HEADPHONE,
 	},
 	{
 		.pin	= "Headset Mic",
 		.mask	= SND_JACK_MICROPHONE,
 	},
 };

 static int st_es8336_init(struct snd_soc_pcm_runtime *rtd)
 {
 	int ret;
 	struct snd_soc_card *card;
 	struct snd_soc_component *codec;

 	codec = snd_soc_rtd_to_codec(rtd, 0)->component;
 	card = rtd->card;

 	ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,
 					 &st_jack, st_es8316_jack_pins,
 					 ARRAY_SIZE(st_es8316_jack_pins));
 	if (ret) {
 		dev_err(card->dev, "HP jack creation failed %d\n", ret);
 		return ret;
 	}
 	snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
 	ret = snd_soc_component_set_jack(codec, &st_jack, NULL);
 	if (ret) {
 		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
 		return ret;
 	}
 	return 0;
 }

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

 static const unsigned int st_rates[] = {
 	48000,
 };

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

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

 static int st_es8336_codec_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_pcm_runtime *runtime;
 	struct snd_soc_pcm_runtime *rtd;
 	struct snd_soc_card *card;
 	struct acp_platform_info *machine;
 	struct snd_soc_dai *codec_dai;
 	int ret;

 	runtime = substream->runtime;
 	rtd = snd_soc_substream_to_rtd(substream);
 	card = rtd->card;
 	machine = snd_soc_card_get_drvdata(card);
 	codec_dai = snd_soc_rtd_to_codec(rtd, 0);
 	ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
 		return ret;
 	}
 	runtime->hw.channels_max = DUAL_CHANNEL;
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
 				   &st_constraints_channels);
 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
 				   &st_constraints_rates);

 	machine->play_i2s_instance = I2S_MICSP_INSTANCE;
 	machine->cap_i2s_instance = I2S_MICSP_INSTANCE;
 	machine->capture_channel = CAP_CHANNEL0;
 	return 0;
 }

 static const struct snd_soc_ops st_es8336_ops = {
 	.startup = st_es8336_codec_startup,
 };

 SND_SOC_DAILINK_DEF(designware1,
 		    DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
 SND_SOC_DAILINK_DEF(codec,
 		    DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));
 SND_SOC_DAILINK_DEF(platform,
 		    DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto")));

 static struct snd_soc_dai_link st_dai_es8336[] = {
 	{
 		.name = "amdes8336",
 		.stream_name = "ES8336 HiFi Play",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 				| SND_SOC_DAIFMT_CBP_CFP,
 		.trigger_stop = SND_SOC_TRIGGER_ORDER_LDC,
 		.dpcm_capture = 1,
 		.dpcm_playback = 1,
 		.init = st_es8336_init,
 		.ops = &st_es8336_ops,
 		SND_SOC_DAILINK_REG(designware1, codec, platform),
 	},
 };

 static const struct snd_soc_dapm_widget st_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,
 			    sof_es8316_speaker_power_event,
 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
 };

 static const struct snd_soc_dapm_route st_audio_route[] = {
 	{"Speaker", NULL, "HPOL"},
 	{"Speaker", NULL, "HPOR"},
 	{"Headphone", NULL, "HPOL"},
 	{"Headphone", NULL, "HPOR"},
 	{"MIC1", NULL, "Headset Mic"},
 	{"MIC2", NULL, "Internal Mic"},
 	{"Speaker", NULL, "Speaker Power"},
 };

 static const struct snd_kcontrol_new st_mc_controls[] = {
 	SOC_DAPM_PIN_SWITCH("Speaker"),
 	SOC_DAPM_PIN_SWITCH("Headphone"),
 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
 };

 static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false };
 static const struct acpi_gpio_mapping acpi_es8336_gpios[] = {
 	{ "pa-enable-gpios", &pa_enable_gpio, 1 },
 	{ }
 };

 static int st_es8336_late_probe(struct snd_soc_card *card)
 {
 	struct acpi_device *adev;
 	int ret;

 	adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);
 	if (!adev)
 		return -ENODEV;

 	codec_dev = acpi_get_first_physical_node(adev);
 	acpi_dev_put(adev);
 	if (!codec_dev)
 		dev_err(card->dev, "can not find codec dev\n");

 	ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios);
 	if (ret)
 		dev_warn(card->dev, "Failed to add driver gpios\n");

 	gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW);
 	if (IS_ERR(gpio_pa)) {
 		ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa),
 				    "could not get pa-enable GPIO\n");
 		put_device(codec_dev);
 		return ret;
 	}
 	return 0;
 }

 static struct snd_soc_card st_card = {
 	.name = "acpes8336",
 	.owner = THIS_MODULE,
 	.dai_link = st_dai_es8336,
 	.num_links = ARRAY_SIZE(st_dai_es8336),
 	.dapm_widgets = st_widgets,
 	.num_dapm_widgets = ARRAY_SIZE(st_widgets),
 	.dapm_routes = st_audio_route,
 	.num_dapm_routes = ARRAY_SIZE(st_audio_route),
 	.controls = st_mc_controls,
 	.num_controls = ARRAY_SIZE(st_mc_controls),
 	.late_probe = st_es8336_late_probe,
 };

 static int st_es8336_quirk_cb(const struct dmi_system_id *id)
 {
 	acp2x_machine_id = ST_JADEITE;
 	return 1;
 }

 static const struct dmi_system_id st_es8336_quirk_table[] = {
 	{
 		.callback = st_es8336_quirk_cb,
 		.matches = {
 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"),
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"),
 		},
 	},
 	{
 		.callback = st_es8336_quirk_cb,
 		.matches = {
 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."),
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"),
 		},
 	},
 	{
 		.callback = st_es8336_quirk_cb,
 		.matches = {
 			DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"),
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"),
 		},
 	},
 	{}
 };

 static int st_es8336_probe(struct platform_device *pdev)
 {
 	int ret;
 	struct snd_soc_card *card;
 	struct acp_platform_info *machine;

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

 	dmi_check_system(st_es8336_quirk_table);
 	switch (acp2x_machine_id) {
 	case ST_JADEITE:
 		card = &st_card;
 		st_card.dev = &pdev->dev;
 		break;
 	default:
 		return -ENODEV;
 	}

 	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, machine);
 	ret = devm_snd_soc_register_card(&pdev->dev, &st_card);
 	if (ret) {
 		return dev_err_probe(&pdev->dev, ret,
 				     "devm_snd_soc_register_card(%s) failed\n",
 				     card->name);
 	}
 	return 0;
 }

 #ifdef CONFIG_ACPI
 static const struct acpi_device_id st_audio_acpi_match[] = {
 	{"AMDI8336", 0},
 	{},
 };
 MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match);
 #endif

 static struct platform_driver st_mach_driver = {
 	.driver = {
 		.name = "st-es8316",
 		.acpi_match_table = ACPI_PTR(st_audio_acpi_match),
 		.pm = &snd_soc_pm_ops,
 	},
 	.probe = st_es8336_probe,
 };

 module_platform_driver(st_mach_driver);

 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
 MODULE_DESCRIPTION("st-es8316 audio support");
 MODULE_LICENSE("GPL v2");
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Machine driver for AMD Stoney platform using ES8336 Codec
	*
	* Copyright 2022 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/gpio.h>
	#include <linux/device.h>
	#include <linux/dmi.h>
	#include <linux/gpio/consumer.h>
	#include <linux/gpio/machine.h>
	#include <linux/i2c.h>
	#include <linux/input.h>
	#include <linux/module.h>
	#include <linux/platform_device.h>
	#include <linux/acpi.h>

	#include "acp.h"

	#define DUAL_CHANNEL 2
	#define DRV_NAME "acp2x_mach"
	#define ST_JADEITE 1
	#define ES8336_PLL_FREQ (48000 * 256)

	static unsigned long acp2x_machine_id;
	static struct snd_soc_jack st_jack;
	static struct device *codec_dev;
	static struct gpio_desc *gpio_pa;

	static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
	struct snd_kcontrol *kcontrol, int event)
	{
	if (SND_SOC_DAPM_EVENT_ON(event))
	gpiod_set_value_cansleep(gpio_pa, true);
	else
	gpiod_set_value_cansleep(gpio_pa, false);

	return 0;
	}

	static struct snd_soc_jack_pin st_es8316_jack_pins[] = {
	{
	.pin = "Headphone",
	.mask = SND_JACK_HEADPHONE,
	},
	{
	.pin = "Headset Mic",
	.mask = SND_JACK_MICROPHONE,
	},
	};

	static int st_es8336_init(struct snd_soc_pcm_runtime *rtd)
	{
	int ret;
	struct snd_soc_card *card;
	struct snd_soc_component *codec;

	codec = snd_soc_rtd_to_codec(rtd, 0)->component;
	card = rtd->card;

	ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET \| SND_JACK_BTN_0,
	&st_jack, st_es8316_jack_pins,
	ARRAY_SIZE(st_es8316_jack_pins));
	if (ret) {
	dev_err(card->dev, "HP jack creation failed %d\n", ret);
	return ret;
	}
	snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
	ret = snd_soc_component_set_jack(codec, &st_jack, NULL);
	if (ret) {
	dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
	return ret;
	}
	return 0;
	}

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

	static const unsigned int st_rates[] = {
	48000,
	};

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

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

	static int st_es8336_codec_startup(struct snd_pcm_substream *substream)
	{
	struct snd_pcm_runtime *runtime;
	struct snd_soc_pcm_runtime *rtd;
	struct snd_soc_card *card;
	struct acp_platform_info *machine;
	struct snd_soc_dai *codec_dai;
	int ret;

	runtime = substream->runtime;
	rtd = snd_soc_substream_to_rtd(substream);
	card = rtd->card;
	machine = snd_soc_card_get_drvdata(card);
	codec_dai = snd_soc_rtd_to_codec(rtd, 0);
	ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN);
	if (ret < 0) {
	dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
	return ret;
	}
	runtime->hw.channels_max = DUAL_CHANNEL;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
	&st_constraints_channels);
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
	&st_constraints_rates);

	machine->play_i2s_instance = I2S_MICSP_INSTANCE;
	machine->cap_i2s_instance = I2S_MICSP_INSTANCE;
	machine->capture_channel = CAP_CHANNEL0;
	return 0;
	}

	static const struct snd_soc_ops st_es8336_ops = {
	.startup = st_es8336_codec_startup,
	};

	SND_SOC_DAILINK_DEF(designware1,
	DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));
	SND_SOC_DAILINK_DEF(codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));
	SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto")));

	static struct snd_soc_dai_link st_dai_es8336[] = {
	{
	.name = "amdes8336",
	.stream_name = "ES8336 HiFi Play",
	.dai_fmt = SND_SOC_DAIFMT_I2S \| SND_SOC_DAIFMT_NB_NF
	\| SND_SOC_DAIFMT_CBP_CFP,
	.trigger_stop = SND_SOC_TRIGGER_ORDER_LDC,
	.dpcm_capture = 1,
	.dpcm_playback = 1,
	.init = st_es8336_init,
	.ops = &st_es8336_ops,
	SND_SOC_DAILINK_REG(designware1, codec, platform),
	},
	};

	static const struct snd_soc_dapm_widget st_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,
	sof_es8316_speaker_power_event,
	SND_SOC_DAPM_PRE_PMD \| SND_SOC_DAPM_POST_PMU),
	};

	static const struct snd_soc_dapm_route st_audio_route[] = {
	{"Speaker", NULL, "HPOL"},
	{"Speaker", NULL, "HPOR"},
	{"Headphone", NULL, "HPOL"},
	{"Headphone", NULL, "HPOR"},
	{"MIC1", NULL, "Headset Mic"},
	{"MIC2", NULL, "Internal Mic"},
	{"Speaker", NULL, "Speaker Power"},
	};

	static const struct snd_kcontrol_new st_mc_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speaker"),
	SOC_DAPM_PIN_SWITCH("Headphone"),
	SOC_DAPM_PIN_SWITCH("Headset Mic"),
	SOC_DAPM_PIN_SWITCH("Internal Mic"),
	};

	static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false };
	static const struct acpi_gpio_mapping acpi_es8336_gpios[] = {
	{ "pa-enable-gpios", &pa_enable_gpio, 1 },
	{ }
	};

	static int st_es8336_late_probe(struct snd_soc_card *card)
	{
	struct acpi_device *adev;
	int ret;

	adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);
	if (!adev)
	return -ENODEV;

	codec_dev = acpi_get_first_physical_node(adev);
	acpi_dev_put(adev);
	if (!codec_dev)
	dev_err(card->dev, "can not find codec dev\n");

	ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios);
	if (ret)
	dev_warn(card->dev, "Failed to add driver gpios\n");

	gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW);
	if (IS_ERR(gpio_pa)) {
	ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa),
	"could not get pa-enable GPIO\n");
	put_device(codec_dev);
	return ret;
	}
	return 0;
	}

	static struct snd_soc_card st_card = {
	.name = "acpes8336",
	.owner = THIS_MODULE,
	.dai_link = st_dai_es8336,
	.num_links = ARRAY_SIZE(st_dai_es8336),
	.dapm_widgets = st_widgets,
	.num_dapm_widgets = ARRAY_SIZE(st_widgets),
	.dapm_routes = st_audio_route,
	.num_dapm_routes = ARRAY_SIZE(st_audio_route),
	.controls = st_mc_controls,
	.num_controls = ARRAY_SIZE(st_mc_controls),
	.late_probe = st_es8336_late_probe,
	};

	static int st_es8336_quirk_cb(const struct dmi_system_id *id)
	{
	acp2x_machine_id = ST_JADEITE;
	return 1;
	}

	static const struct dmi_system_id st_es8336_quirk_table[] = {
	{
	.callback = st_es8336_quirk_cb,
	.matches = {
	DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"),
	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"),
	},
	},
	{
	.callback = st_es8336_quirk_cb,
	.matches = {
	DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."),
	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"),
	},
	},
	{
	.callback = st_es8336_quirk_cb,
	.matches = {
	DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"),
	DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"),
	},
	},
	{}
	};

	static int st_es8336_probe(struct platform_device *pdev)
	{
	int ret;
	struct snd_soc_card *card;
	struct acp_platform_info *machine;

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

	dmi_check_system(st_es8336_quirk_table);
	switch (acp2x_machine_id) {
	case ST_JADEITE:
	card = &st_card;
	st_card.dev = &pdev->dev;
	break;
	default:
	return -ENODEV;
	}

	platform_set_drvdata(pdev, card);
	snd_soc_card_set_drvdata(card, machine);
	ret = devm_snd_soc_register_card(&pdev->dev, &st_card);
	if (ret) {
	return dev_err_probe(&pdev->dev, ret,
	"devm_snd_soc_register_card(%s) failed\n",
	card->name);
	}
	return 0;
	}

	#ifdef CONFIG_ACPI
	static const struct acpi_device_id st_audio_acpi_match[] = {
	{"AMDI8336", 0},
	{},
	};
	MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match);
	#endif

	static struct platform_driver st_mach_driver = {
	.driver = {
	.name = "st-es8316",
	.acpi_match_table = ACPI_PTR(st_audio_acpi_match),
	.pm = &snd_soc_pm_ops,
	},
	.probe = st_es8336_probe,
	};

	module_platform_driver(st_mach_driver);

	MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
	MODULE_DESCRIPTION("st-es8316 audio support");
	MODULE_LICENSE("GPL v2");