--- /dev/null
+// 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");
projects / kernel.git / commitdiff