// 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");
return -ENODEV;
}
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("[email protected]");
MODULE_DESCRIPTION("st-es8316 audio support");
MODULE_LICENSE("GPL v2");
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