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- // 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,
- .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)
- 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("[email protected]");
- MODULE_DESCRIPTION("st-es8316 audio support");
- MODULE_LICENSE("GPL v2");
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