| // 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 = 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, |
| .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"); |