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/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 2 28 #define DRV_NAME "acp2x_mach" 29 #define ST_JADEITE 1 30 #define ES8336_PLL_FREQ (48000 * 256) 31 32 static unsigned long acp2x_machine_id; 33 static struct snd_soc_jack st_jack; 34 static struct device *codec_dev; 35 static struct gpio_desc *gpio_pa; 36 37 static 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 else 43 gpiod_set_value_cansleep(gpio_pa, false); 44 45 return 0; 46 } 47 48 static 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 59 static 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 = asoc_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 84 static const unsigned int st_channels[] = { 85 DUAL_CHANNEL, 86 }; 87 88 static const unsigned int st_rates[] = { 89 48000, 90 }; 91 92 static 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 98 static const struct snd_pcm_hw_constraint_list st_constraints_channels = { 99 .count = ARRAY_SIZE(st_channels), 100 .list = st_channels, 101 .mask = 0, 102 }; 103 104 static 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 = asoc_substream_to_rtd(substream); 115 card = rtd->card; 116 machine = snd_soc_card_get_drvdata(card); 117 codec_dai = asoc_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 } 134 135 static const struct snd_soc_ops st_es8336_ops = { 136 .startup = st_es8336_codec_startup, 137 }; 138 139 SND_SOC_DAILINK_DEF(designware1, 140 DAILINK_COMP_ARRAY(COMP_CPU("designware-i2s.2.auto"))); 141 SND_SOC_DAILINK_DEF(codec, 142 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi"))); 143 SND_SOC_DAILINK_DEF(platform, 144 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_audio_dma.1.auto"))); 145 146 static 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_NF 151 | SND_SOC_DAIFMT_CBP_CFP, 152 .stop_dma_first = 1, 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 }; 160 161 static 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 }; 171 172 static 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 }; 181 182 static 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 }; 188 189 static const struct acpi_gpio_params pa_enable_gpio = { 0, 0, false }; 190 static const struct acpi_gpio_mapping acpi_es8336_gpios[] = { 191 { "pa-enable-gpios", &pa_enable_gpio, 1 }, 192 { } 193 }; 194 195 static 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"); 208 209 ret = devm_acpi_dev_add_driver_gpios(codec_dev, acpi_es8336_gpios); 210 if (ret) 211 dev_warn(card->dev, "Failed to add driver gpios\n"); 212 213 gpio_pa = gpiod_get_optional(codec_dev, "pa-enable", GPIOD_OUT_LOW); 214 if (IS_ERR(gpio_pa)) { 215 ret = dev_err_probe(card->dev, PTR_ERR(gpio_pa), 216 "could not get pa-enable GPIO\n"); 217 put_device(codec_dev); 218 return ret; 219 } 220 return 0; 221 } 222 223 static struct snd_soc_card st_card = { 224 .name = "acpes8336", 225 .owner = THIS_MODULE, 226 .dai_link = st_dai_es8336, 227 .num_links = ARRAY_SIZE(st_dai_es8336), 228 .dapm_widgets = st_widgets, 229 .num_dapm_widgets = ARRAY_SIZE(st_widgets), 230 .dapm_routes = st_audio_route, 231 .num_dapm_routes = ARRAY_SIZE(st_audio_route), 232 .controls = st_mc_controls, 233 .num_controls = ARRAY_SIZE(st_mc_controls), 234 .late_probe = st_es8336_late_probe, 235 }; 236 237 static int st_es8336_quirk_cb(const struct dmi_system_id *id) 238 { 239 acp2x_machine_id = ST_JADEITE; 240 return 1; 241 } 242 243 static const struct dmi_system_id st_es8336_quirk_table[] = { 244 { 245 .callback = st_es8336_quirk_cb, 246 .matches = { 247 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "AMD"), 248 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Jadeite"), 249 }, 250 }, 251 { 252 .callback = st_es8336_quirk_cb, 253 .matches = { 254 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "IP3 Technology CO.,Ltd."), 255 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN1D"), 256 }, 257 }, 258 { 259 .callback = st_es8336_quirk_cb, 260 .matches = { 261 DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Standard"), 262 DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "ASN10"), 263 }, 264 }, 265 {} 266 }; 267 268 static int st_es8336_probe(struct platform_device *pdev) 269 { 270 int ret; 271 struct snd_soc_card *card; 272 struct acp_platform_info *machine; 273 274 machine = devm_kzalloc(&pdev->dev, sizeof(struct acp_platform_info), GFP_KERNEL); 275 if (!machine) 276 return -ENOMEM; 277 278 dmi_check_system(st_es8336_quirk_table); 279 switch (acp2x_machine_id) { 280 case ST_JADEITE: 281 card = &st_card; 282 st_card.dev = &pdev->dev; 283 break; 284 default: 285 return -ENODEV; 286 } 287 288 platform_set_drvdata(pdev, card); 289 snd_soc_card_set_drvdata(card, machine); 290 ret = devm_snd_soc_register_card(&pdev->dev, &st_card); 291 if (ret) { 292 return dev_err_probe(&pdev->dev, ret, 293 "devm_snd_soc_register_card(%s) failed\n", 294 card->name); 295 } 296 return 0; 297 } 298 299 #ifdef CONFIG_ACPI 300 static const struct acpi_device_id st_audio_acpi_match[] = { 301 {"AMDI8336", 0}, 302 {}, 303 }; 304 MODULE_DEVICE_TABLE(acpi, st_audio_acpi_match); 305 #endif 306 307 static struct platform_driver st_mach_driver = { 308 .driver = { 309 .name = "st-es8316", 310 .acpi_match_table = ACPI_PTR(st_audio_acpi_match), 311 .pm = &snd_soc_pm_ops, 312 }, 313 .probe = st_es8336_probe, 314 }; 315 316 module_platform_driver(st_mach_driver); 317 318 MODULE_AUTHOR("Vijendar.Mukunda@amd.com"); 319 MODULE_DESCRIPTION("st-es8316 audio support"); 320 MODULE_LICENSE("GPL v2"); 321