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1// SPDX-License-Identifier: GPL-2.0+2/*3 * Machine driver for AMD Stoney platform using ES8336 Codec4 *5 * Copyright 2022 Advanced Micro Devices, Inc.6 */7 8#include <sound/core.h>9#include <sound/soc.h>10#include <sound/pcm.h>11#include <sound/pcm_params.h>12#include <sound/soc-dapm.h>13#include <sound/jack.h>14#include <linux/gpio.h>15#include <linux/device.h>16#include <linux/dmi.h>17#include <linux/gpio/consumer.h>18#include <linux/gpio/machine.h>19#include <linux/i2c.h>20#include <linux/input.h>21#include <linux/module.h>22#include <linux/platform_device.h>23#include <linux/acpi.h>24 25#include "acp.h"26 27#define DUAL_CHANNEL 228#define DRV_NAME "acp2x_mach"29#define ST_JADEITE 130#define ES8336_PLL_FREQ (48000 * 256)31 32static unsigned long acp2x_machine_id;33static struct snd_soc_jack st_jack;34static struct device *codec_dev;35static struct gpio_desc *gpio_pa;36 37static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,38 struct snd_kcontrol *kcontrol, int event)39{40 if (SND_SOC_DAPM_EVENT_ON(event))41 gpiod_set_value_cansleep(gpio_pa, true);42 else43 gpiod_set_value_cansleep(gpio_pa, false);44 45 return 0;46}47 48static struct snd_soc_jack_pin st_es8316_jack_pins[] = {49 {50 .pin = "Headphone",51 .mask = SND_JACK_HEADPHONE,52 },53 {54 .pin = "Headset Mic",55 .mask = SND_JACK_MICROPHONE,56 },57};58 59static int st_es8336_init(struct snd_soc_pcm_runtime *rtd)60{61 int ret;62 struct snd_soc_card *card;63 struct snd_soc_component *codec;64 65 codec = snd_soc_rtd_to_codec(rtd, 0)->component;66 card = rtd->card;67 68 ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0,69 &st_jack, st_es8316_jack_pins,70 ARRAY_SIZE(st_es8316_jack_pins));71 if (ret) {72 dev_err(card->dev, "HP jack creation failed %d\n", ret);73 return ret;74 }75 snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);76 ret = snd_soc_component_set_jack(codec, &st_jack, NULL);77 if (ret) {78 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);79 return ret;80 }81 return 0;82}83 84static const unsigned int st_channels[] = {85 DUAL_CHANNEL,86};87 88static const unsigned int st_rates[] = {89 48000,90};91 92static const struct snd_pcm_hw_constraint_list st_constraints_rates = {93 .count = ARRAY_SIZE(st_rates),94 .list = st_rates,95 .mask = 0,96};97 98static const struct snd_pcm_hw_constraint_list st_constraints_channels = {99 .count = ARRAY_SIZE(st_channels),100 .list = st_channels,101 .mask = 0,102};103 104static int st_es8336_codec_startup(struct snd_pcm_substream *substream)105{106 struct snd_pcm_runtime *runtime;107 struct snd_soc_pcm_runtime *rtd;108 struct snd_soc_card *card;109 struct acp_platform_info *machine;110 struct snd_soc_dai *codec_dai;111 int ret;112 113 runtime = substream->runtime;114 rtd = snd_soc_substream_to_rtd(substream);115 card = rtd->card;116 machine = snd_soc_card_get_drvdata(card);117 codec_dai = snd_soc_rtd_to_codec(rtd, 0);118 ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN);119 if (ret < 0) {120 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);121 return ret;122 }123 runtime->hw.channels_max = DUAL_CHANNEL;124 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,125 &st_constraints_channels);126 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,127 &st_constraints_rates);128 129 machine->play_i2s_instance = I2S_MICSP_INSTANCE;130 machine->cap_i2s_instance = I2S_MICSP_INSTANCE;131 machine->capture_channel = CAP_CHANNEL0;132 return 0;133}134 135static const struct snd_soc_ops st_es8336_ops = {136 .startup = st_es8336_codec_startup,137};138 139SND_SOC_DAILINK_DEF(designware1,140 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto")));141SND_SOC_DAILINK_DEF(codec,142 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));143SND_SOC_DAILINK_DEF(platform,144 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto")));145 146static struct snd_soc_dai_link st_dai_es8336[] = {147 {148 .name = "amdes8336",149 .stream_name = "ES8336 HiFi Play",150 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF151 | SND_SOC_DAIFMT_CBP_CFP,152 .trigger_stop = SND_SOC_TRIGGER_ORDER_LDC,153 .dpcm_capture = 1,154 .dpcm_playback = 1,155 .init = st_es8336_init,156 .ops = &st_es8336_ops,157 SND_SOC_DAILINK_REG(designware1, codec, platform),158 },159};160 161static const struct snd_soc_dapm_widget st_widgets[] = {162 SND_SOC_DAPM_SPK("Speaker", NULL),163 SND_SOC_DAPM_HP("Headphone", NULL),164 SND_SOC_DAPM_MIC("Headset Mic", NULL),165 SND_SOC_DAPM_MIC("Internal Mic", NULL),166 167 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,168 sof_es8316_speaker_power_event,169 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),170};171 172static const struct snd_soc_dapm_route st_audio_route[] = {173 {"Speaker", NULL, "HPOL"},174 {"Speaker", NULL, "HPOR"},175 {"Headphone", NULL, "HPOL"},176 {"Headphone", NULL, "HPOR"},177 {"MIC1", NULL, "Headset Mic"},178 {"MIC2", NULL, "Internal Mic"},179 {"Speaker", NULL, "Speaker Power"},180};181 182static const struct snd_kcontrol_new st_mc_controls[] = {183 SOC_DAPM_PIN_SWITCH("Speaker"),184 SOC_DAPM_PIN_SWITCH("Headphone"),185 SOC_DAPM_PIN_SWITCH("Headset Mic"),186 SOC_DAPM_PIN_SWITCH("Internal Mic"),187};188 189static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false };190static const struct acpi_gpio_mapping acpi_es8336_gpios[] = {191 { "pa-enable-gpios", &pa_enable_gpio, 1 },192 { }193};194 195static int st_es8336_late_probe(struct snd_soc_card *card)196{197 struct acpi_device *adev;198 int ret;199 200 adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1);201 if (!adev)202 return -ENODEV;203 204 codec_dev = acpi_get_first_physical_node(adev);205 acpi_dev_put(adev);206 if (!codec_dev) {207 dev_err(card->dev, "can not find codec dev\n");208 return -ENODEV;209 }210 211 ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios);212 if (ret)213 dev_warn(card->dev, "Failed to add driver gpios\n");214 215 gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW);216 if (IS_ERR(gpio_pa)) {217 ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa),218 "could not get pa-enable GPIO\n");219 put_device(codec_dev);220 return ret;221 }222 return 0;223}224 225static struct snd_soc_card st_card = {226 .name = "acpes8336",227 .owner = THIS_MODULE,228 .dai_link = st_dai_es8336,229 .num_links = ARRAY_SIZE(st_dai_es8336),230 .dapm_widgets = st_widgets,231 .num_dapm_widgets = ARRAY_SIZE(st_widgets),232 .dapm_routes = st_audio_route,233 .num_dapm_routes = ARRAY_SIZE(st_audio_route),234 .controls = st_mc_controls,235 .num_controls = ARRAY_SIZE(st_mc_controls),236 .late_probe = st_es8336_late_probe,237};238 239static int st_es8336_quirk_cb(const struct dmi_system_id *id)240{241 acp2x_machine_id = ST_JADEITE;242 return 1;243}244 245static const struct dmi_system_id st_es8336_quirk_table[] = {246 {247 .callback = st_es8336_quirk_cb,248 .matches = {249 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"),250 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"),251 },252 },253 {254 .callback = st_es8336_quirk_cb,255 .matches = {256 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."),257 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"),258 },259 },260 {261 .callback = st_es8336_quirk_cb,262 .matches = {263 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"),264 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"),265 },266 },267 {}268};269 270static int st_es8336_probe(struct platform_device *pdev)271{272 int ret;273 struct snd_soc_card *card;274 struct acp_platform_info *machine;275 276 machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL);277 if (!machine)278 return -ENOMEM;279 280 dmi_check_system(st_es8336_quirk_table);281 switch (acp2x_machine_id) {282 case ST_JADEITE:283 card = &st_card;284 st_card.dev = &pdev->dev;285 break;286 default:287 return -ENODEV;288 }289 290 platform_set_drvdata(pdev, card);291 snd_soc_card_set_drvdata(card, machine);292 ret = devm_snd_soc_register_card(&pdev->dev, &st_card);293 if (ret) {294 return dev_err_probe(&pdev->dev, ret,295 "devm_snd_soc_register_card(%s) failed\n",296 card->name);297 }298 return 0;299}300 301#ifdef CONFIG_ACPI302static const struct acpi_device_id st_audio_acpi_match[] = {303 {"AMDI8336", 0},304 {},305};306MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match);307#endif308 309static struct platform_driver st_mach_driver = {310 .driver = {311 .name = "st-es8316",312 .acpi_match_table = ACPI_PTR(st_audio_acpi_match),313 .pm = &snd_soc_pm_ops,314 },315 .probe = st_es8336_probe,316};317 318module_platform_driver(st_mach_driver);319 320MODULE_AUTHOR("Vijendar.Mukunda@amd.com");321MODULE_DESCRIPTION("st-es8316 audio support");322MODULE_LICENSE("GPL v2");323