1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * Machine driver for AMD Stoney platform using ES8336 Codec 4 * 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/device.h> 15 #include <linux/dmi.h> 16 #include <linux/gpio/consumer.h> 17 #include <linux/gpio/machine.h> 18 #include <linux/i2c.h> 19 #include <linux/input.h> 20 #include <linux/module.h> 21 #include <linux/platform_device.h> 22 #include <linux/acpi.h> 23 24 #include "acp.h" 25 26 #define DUAL_CHANNEL 2 27 #define DRV_NAME "acp2x_mach" 28 #define ST_JADEITE 1 29 #define ES8336_PLL_FREQ (48000 * 256) 30 31 static unsigned long acp2x_machine_id; 32 static struct snd_soc_jack st_jack; 33 static struct device *codec_dev; 34 static struct gpio_desc *gpio_pa; 35 36 static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, 37 struct snd_kcontrol *kcontrol, int event) 38 { 39 if (SND_SOC_DAPM_EVENT_ON(event)) 40 gpiod_set_value_cansleep(gpio_pa, true); 41 else 42 gpiod_set_value_cansleep(gpio_pa, false); 43 44 return 0; 45 } 46 47 static struct snd_soc_jack_pin st_es8316_jack_pins[] = { 48 { 49 .pin = "Headphone", 50 .mask = SND_JACK_HEADPHONE, 51 }, 52 { 53 .pin = "Headset Mic", 54 .mask = SND_JACK_MICROPHONE, 55 }, 56 }; 57 58 static int st_es8336_init(struct snd_soc_pcm_runtime *rtd) 59 { 60 int ret; 61 struct snd_soc_card *card; 62 struct snd_soc_component *codec; 63 64 codec = snd_soc_rtd_to_codec(rtd, 0)->component; 65 card = rtd->card; 66 67 ret = snd_soc_card_jack_new_pins(card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, 68 &st_jack, st_es8316_jack_pins, 69 ARRAY_SIZE(st_es8316_jack_pins)); 70 if (ret) { 71 dev_err(card->dev, "HP jack creation failed %d\n", ret); 72 return ret; 73 } 74 snd_jack_set_key(st_jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 75 ret = snd_soc_component_set_jack(codec, &st_jack, NULL); 76 if (ret) { 77 dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret); 78 return ret; 79 } 80 return 0; 81 } 82 83 static const unsigned int st_channels[] = { 84 DUAL_CHANNEL, 85 }; 86 87 static const unsigned int st_rates[] = { 88 48000, 89 }; 90 91 static const struct snd_pcm_hw_constraint_list st_constraints_rates = { 92 .count = ARRAY_SIZE(st_rates), 93 .list = st_rates, 94 .mask = 0, 95 }; 96 97 static const struct snd_pcm_hw_constraint_list st_constraints_channels = { 98 .count = ARRAY_SIZE(st_channels), 99 .list = st_channels, 100 .mask = 0, 101 }; 102 103 static int st_es8336_codec_startup(struct snd_pcm_substream *substream) 104 { 105 struct snd_pcm_runtime *runtime; 106 struct snd_soc_pcm_runtime *rtd; 107 struct snd_soc_card *card; 108 struct acp_platform_info *machine; 109 struct snd_soc_dai *codec_dai; 110 int ret; 111 112 runtime = substream->runtime; 113 rtd = snd_soc_substream_to_rtd(substream); 114 card = rtd->card; 115 machine = snd_soc_card_get_drvdata(card); 116 codec_dai = snd_soc_rtd_to_codec(rtd, 0); 117 ret = snd_soc_dai_set_sysclk(codec_dai, 0, ES8336_PLL_FREQ, SND_SOC_CLOCK_IN); 118 if (ret < 0) { 119 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); 120 return ret; 121 } 122 runtime->hw.channels_max = DUAL_CHANNEL; 123 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 124 &st_constraints_channels); 125 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 126 &st_constraints_rates); 127 128 machine->play_i2s_instance = I2S_MICSP_INSTANCE; 129 machine->cap_i2s_instance = I2S_MICSP_INSTANCE; 130 machine->capture_channel = CAP_CHANNEL0; 131 return 0; 132 } 133 134 static const struct snd_soc_ops st_es8336_ops = { 135 .startup = st_es8336_codec_startup, 136 }; 137 138 SND_SOC_DAILINK_DEF(designware1, 139 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.1"))); 140 SND_SOC_DAILINK_DEF(codec, 141 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi"))); 142 SND_SOC_DAILINK_DEF(platform, 143 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.0"))); 144 145 static struct snd_soc_dai_link st_dai_es8336[] = { 146 { 147 .name = "amdes8336", 148 .stream_name = "ES8336 HiFi Play", 149 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 150 | SND_SOC_DAIFMT_CBP_CFP, 151 .trigger_stop = SND_SOC_TRIGGER_ORDER_LDC, 152 .init = st_es8336_init, 153 .ops = &st_es8336_ops, 154 SND_SOC_DAILINK_REG(designware1, codec, platform), 155 }, 156 }; 157 158 static const struct snd_soc_dapm_widget st_widgets[] = { 159 SND_SOC_DAPM_SPK("Speaker", NULL), 160 SND_SOC_DAPM_HP("Headphone", NULL), 161 SND_SOC_DAPM_MIC("Headset Mic", NULL), 162 SND_SOC_DAPM_MIC("Internal Mic", NULL), 163 164 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0, 165 sof_es8316_speaker_power_event, 166 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 167 }; 168 169 static const struct snd_soc_dapm_route st_audio_route[] = { 170 {"Speaker", NULL, "HPOL"}, 171 {"Speaker", NULL, "HPOR"}, 172 {"Headphone", NULL, "HPOL"}, 173 {"Headphone", NULL, "HPOR"}, 174 {"MIC1", NULL, "Headset Mic"}, 175 {"MIC2", NULL, "Internal Mic"}, 176 {"Speaker", NULL, "Speaker Power"}, 177 }; 178 179 static const struct snd_kcontrol_new st_mc_controls[] = { 180 SOC_DAPM_PIN_SWITCH("Speaker"), 181 SOC_DAPM_PIN_SWITCH("Headphone"), 182 SOC_DAPM_PIN_SWITCH("Headset Mic"), 183 SOC_DAPM_PIN_SWITCH("Internal Mic"), 184 }; 185 186 static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false }; 187 static const struct acpi_gpio_mapping acpi_es8336_gpios[] = { 188 { "pa-enable-gpios", &pa_enable_gpio, 1 }, 189 { } 190 }; 191 192 static int st_es8336_late_probe(struct snd_soc_card *card) 193 { 194 struct acpi_device *adev; 195 int ret; 196 197 adev = acpi_dev_get_first_match_dev("ESSX8336", NULL, -1); 198 if (!adev) 199 return -ENODEV; 200 201 codec_dev = acpi_get_first_physical_node(adev); 202 acpi_dev_put(adev); 203 if (!codec_dev) { 204 dev_err(card->dev, "can not find codec dev\n"); 205 return -ENODEV; 206 } 207 208 ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios); 209 if (ret) 210 dev_warn(card->dev, "Failed to add driver gpios\n"); 211 212 gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW); 213 if (IS_ERR(gpio_pa)) { 214 ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa), 215 "could not get pa-enable GPIO\n"); 216 put_device(codec_dev); 217 return ret; 218 } 219 return 0; 220 } 221 222 static struct snd_soc_card st_card = { 223 .name = "acpes8336", 224 .owner = THIS_MODULE, 225 .dai_link = st_dai_es8336, 226 .num_links = ARRAY_SIZE(st_dai_es8336), 227 .dapm_widgets = st_widgets, 228 .num_dapm_widgets = ARRAY_SIZE(st_widgets), 229 .dapm_routes = st_audio_route, 230 .num_dapm_routes = ARRAY_SIZE(st_audio_route), 231 .controls = st_mc_controls, 232 .num_controls = ARRAY_SIZE(st_mc_controls), 233 .late_probe = st_es8336_late_probe, 234 }; 235 236 static int st_es8336_quirk_cb(const struct dmi_system_id *id) 237 { 238 acp2x_machine_id = ST_JADEITE; 239 return 1; 240 } 241 242 static const struct dmi_system_id st_es8336_quirk_table[] = { 243 { 244 .callback = st_es8336_quirk_cb, 245 .matches = { 246 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"), 247 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"), 248 }, 249 }, 250 { 251 .callback = st_es8336_quirk_cb, 252 .matches = { 253 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."), 254 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"), 255 }, 256 }, 257 { 258 .callback = st_es8336_quirk_cb, 259 .matches = { 260 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"), 261 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"), 262 }, 263 }, 264 {} 265 }; 266 267 static int st_es8336_probe(struct platform_device *pdev) 268 { 269 int ret; 270 struct snd_soc_card *card; 271 struct acp_platform_info *machine; 272 273 machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL); 274 if (!machine) 275 return -ENOMEM; 276 277 dmi_check_system(st_es8336_quirk_table); 278 switch (acp2x_machine_id) { 279 case ST_JADEITE: 280 card = &st_card; 281 st_card.dev = &pdev->dev; 282 break; 283 default: 284 return -ENODEV; 285 } 286 287 platform_set_drvdata(pdev, card); 288 snd_soc_card_set_drvdata(card, machine); 289 ret = devm_snd_soc_register_card(&pdev->dev, &st_card); 290 if (ret) { 291 return dev_err_probe(&pdev->dev, ret, 292 "devm_snd_soc_register_card(%s) failed\n", 293 card->name); 294 } 295 return 0; 296 } 297 298 #ifdef CONFIG_ACPI 299 static const struct acpi_device_id st_audio_acpi_match[] = { 300 {"AMDI8336", 0}, 301 {}, 302 }; 303 MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match); 304 #endif 305 306 static struct platform_driver st_mach_driver = { 307 .driver = { 308 .name = "st-es8316", 309 .acpi_match_table = ACPI_PTR(st_audio_acpi_match), 310 .pm = &snd_soc_pm_ops, 311 }, 312 .probe = st_es8336_probe, 313 }; 314 315 module_platform_driver(st_mach_driver); 316 317 MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); 318 MODULE_DESCRIPTION("st-es8316 audio support"); 319 MODULE_LICENSE("GPL v2"); 320