Unverified Commit 02527c3f authored by Vijendar Mukunda's avatar Vijendar Mukunda Committed by Mark Brown
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ASoC: amd: add Machine driver for Jadeite platform 



Add Machine driver for Jadeite platform which uses ES8336 codec.

Signed-off-by: default avatarVijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/20220701114107.1105948-5-Vijendar.Mukunda@amd.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 3eb8440d

sound/soc/amd/acp-es8336.c

0 → 100644
+324 −0
Original line number Diff line number Diff line 
// 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/module.h>

#include <linux/acpi.h>



#include "../codecs/es8316.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;

struct device *codec_dev;

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 = asoc_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 = asoc_substream_to_rtd(substream);

	card = rtd->card;

	machine = snd_soc_card_get_drvdata(card);

	codec_dai = asoc_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,

		.stop_dma_first = 1,

		.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)

		put_device(&adev->dev);

	codec_dev = acpi_get_first_physical_node(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);



	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");

		gpiod_put(gpio_pa);

		put_device(codec_dev);

	}

	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;

}



static int st_es8336_remove(struct platform_device *pdev)

{

	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,

	.remove = st_es8336_remove,

};



module_platform_driver(st_mach_driver);



MODULE_AUTHOR("Vijendar.Mukunda@amd.com");

MODULE_DESCRIPTION("st-es8316 audio support");

MODULE_LICENSE("GPL v2");