1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * bytcht_es8316.c - ASoc Machine driver for Intel Baytrail/Cherrytrail 4 * platforms with Everest ES8316 SoC 5 * 6 * Copyright (C) 2017 Endless Mobile, Inc. 7 * Authors: David Yang <yangxiaohua@everest-semi.com>, 8 * Daniel Drake <drake@endlessm.com> 9 * 10 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 11 * 12 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 13 */ 14 #include <linux/acpi.h> 15 #include <linux/clk.h> 16 #include <linux/device.h> 17 #include <linux/dmi.h> 18 #include <linux/gpio/consumer.h> 19 #include <linux/i2c.h> 20 #include <linux/init.h> 21 #include <linux/input.h> 22 #include <linux/module.h> 23 #include <linux/platform_device.h> 24 #include <linux/slab.h> 25 #include <sound/jack.h> 26 #include <sound/pcm.h> 27 #include <sound/pcm_params.h> 28 #include <sound/soc.h> 29 #include <sound/soc-acpi.h> 30 #include "../atom/sst-atom-controls.h" 31 #include "../common/soc-intel-quirks.h" 32 33 /* jd-inv + terminating entry */ 34 #define MAX_NO_PROPS 2 35 36 struct byt_cht_es8316_private { 37 struct clk *mclk; 38 struct snd_soc_jack jack; 39 struct gpio_desc *speaker_en_gpio; 40 bool speaker_en; 41 }; 42 43 enum { 44 BYT_CHT_ES8316_INTMIC_IN1_MAP, 45 BYT_CHT_ES8316_INTMIC_IN2_MAP, 46 }; 47 48 #define BYT_CHT_ES8316_MAP(quirk) ((quirk) & GENMASK(3, 0)) 49 #define BYT_CHT_ES8316_SSP0 BIT(16) 50 #define BYT_CHT_ES8316_MONO_SPEAKER BIT(17) 51 #define BYT_CHT_ES8316_JD_INVERTED BIT(18) 52 53 static unsigned long quirk; 54 55 static int quirk_override = -1; 56 module_param_named(quirk, quirk_override, int, 0444); 57 MODULE_PARM_DESC(quirk, "Board-specific quirk override"); 58 59 static void log_quirks(struct device *dev) 60 { 61 if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP) 62 dev_info(dev, "quirk IN1_MAP enabled"); 63 if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP) 64 dev_info(dev, "quirk IN2_MAP enabled"); 65 if (quirk & BYT_CHT_ES8316_SSP0) 66 dev_info(dev, "quirk SSP0 enabled"); 67 if (quirk & BYT_CHT_ES8316_MONO_SPEAKER) 68 dev_info(dev, "quirk MONO_SPEAKER enabled\n"); 69 if (quirk & BYT_CHT_ES8316_JD_INVERTED) 70 dev_info(dev, "quirk JD_INVERTED enabled\n"); 71 } 72 73 static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w, 74 struct snd_kcontrol *kcontrol, int event) 75 { 76 struct snd_soc_card *card = w->dapm->card; 77 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); 78 79 if (SND_SOC_DAPM_EVENT_ON(event)) 80 priv->speaker_en = true; 81 else 82 priv->speaker_en = false; 83 84 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en); 85 86 return 0; 87 } 88 89 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = { 90 SND_SOC_DAPM_SPK("Speaker", NULL), 91 SND_SOC_DAPM_HP("Headphone", NULL), 92 SND_SOC_DAPM_MIC("Headset Mic", NULL), 93 SND_SOC_DAPM_MIC("Internal Mic", NULL), 94 95 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0, 96 byt_cht_es8316_speaker_power_event, 97 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), 98 }; 99 100 static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = { 101 {"Headphone", NULL, "HPOL"}, 102 {"Headphone", NULL, "HPOR"}, 103 104 /* 105 * There is no separate speaker output instead the speakers are muxed to 106 * the HP outputs. The mux is controlled by the "Speaker Power" supply. 107 */ 108 {"Speaker", NULL, "HPOL"}, 109 {"Speaker", NULL, "HPOR"}, 110 {"Speaker", NULL, "Speaker Power"}, 111 }; 112 113 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = { 114 {"MIC1", NULL, "Internal Mic"}, 115 {"MIC2", NULL, "Headset Mic"}, 116 }; 117 118 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = { 119 {"MIC2", NULL, "Internal Mic"}, 120 {"MIC1", NULL, "Headset Mic"}, 121 }; 122 123 static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = { 124 {"Playback", NULL, "ssp0 Tx"}, 125 {"ssp0 Tx", NULL, "modem_out"}, 126 {"modem_in", NULL, "ssp0 Rx"}, 127 {"ssp0 Rx", NULL, "Capture"}, 128 }; 129 130 static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = { 131 {"Playback", NULL, "ssp2 Tx"}, 132 {"ssp2 Tx", NULL, "codec_out0"}, 133 {"ssp2 Tx", NULL, "codec_out1"}, 134 {"codec_in0", NULL, "ssp2 Rx" }, 135 {"codec_in1", NULL, "ssp2 Rx" }, 136 {"ssp2 Rx", NULL, "Capture"}, 137 }; 138 139 static const struct snd_kcontrol_new byt_cht_es8316_controls[] = { 140 SOC_DAPM_PIN_SWITCH("Speaker"), 141 SOC_DAPM_PIN_SWITCH("Headphone"), 142 SOC_DAPM_PIN_SWITCH("Headset Mic"), 143 SOC_DAPM_PIN_SWITCH("Internal Mic"), 144 }; 145 146 static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = { 147 { 148 .pin = "Headphone", 149 .mask = SND_JACK_HEADPHONE, 150 }, 151 { 152 .pin = "Headset Mic", 153 .mask = SND_JACK_MICROPHONE, 154 }, 155 }; 156 157 static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime) 158 { 159 struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component; 160 struct snd_soc_card *card = runtime->card; 161 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); 162 const struct snd_soc_dapm_route *custom_map; 163 int num_routes; 164 int ret; 165 166 card->dapm.idle_bias_off = true; 167 168 switch (BYT_CHT_ES8316_MAP(quirk)) { 169 case BYT_CHT_ES8316_INTMIC_IN1_MAP: 170 default: 171 custom_map = byt_cht_es8316_intmic_in1_map; 172 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map); 173 break; 174 case BYT_CHT_ES8316_INTMIC_IN2_MAP: 175 custom_map = byt_cht_es8316_intmic_in2_map; 176 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map); 177 break; 178 } 179 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); 180 if (ret) 181 return ret; 182 183 if (quirk & BYT_CHT_ES8316_SSP0) { 184 custom_map = byt_cht_es8316_ssp0_map; 185 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map); 186 } else { 187 custom_map = byt_cht_es8316_ssp2_map; 188 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map); 189 } 190 ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); 191 if (ret) 192 return ret; 193 194 /* 195 * The firmware might enable the clock at boot (this information 196 * may or may not be reflected in the enable clock register). 197 * To change the rate we must disable the clock first to cover these 198 * cases. Due to common clock framework restrictions that do not allow 199 * to disable a clock that has not been enabled, we need to enable 200 * the clock first. 201 */ 202 ret = clk_prepare_enable(priv->mclk); 203 if (!ret) 204 clk_disable_unprepare(priv->mclk); 205 206 ret = clk_set_rate(priv->mclk, 19200000); 207 if (ret) 208 dev_err(card->dev, "unable to set MCLK rate\n"); 209 210 ret = clk_prepare_enable(priv->mclk); 211 if (ret) 212 dev_err(card->dev, "unable to enable MCLK\n"); 213 214 ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(runtime, 0), 0, 19200000, 215 SND_SOC_CLOCK_IN); 216 if (ret < 0) { 217 dev_err(card->dev, "can't set codec clock %d\n", ret); 218 return ret; 219 } 220 221 ret = snd_soc_card_jack_new(card, "Headset", 222 SND_JACK_HEADSET | SND_JACK_BTN_0, 223 &priv->jack, byt_cht_es8316_jack_pins, 224 ARRAY_SIZE(byt_cht_es8316_jack_pins)); 225 if (ret) { 226 dev_err(card->dev, "jack creation failed %d\n", ret); 227 return ret; 228 } 229 230 snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 231 snd_soc_component_set_jack(codec, &priv->jack, NULL); 232 233 return 0; 234 } 235 236 static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd, 237 struct snd_pcm_hw_params *params) 238 { 239 struct snd_interval *rate = hw_param_interval(params, 240 SNDRV_PCM_HW_PARAM_RATE); 241 struct snd_interval *channels = hw_param_interval(params, 242 SNDRV_PCM_HW_PARAM_CHANNELS); 243 int ret, bits; 244 245 /* The DSP will covert the FE rate to 48k, stereo */ 246 rate->min = rate->max = 48000; 247 channels->min = channels->max = 2; 248 249 if (quirk & BYT_CHT_ES8316_SSP0) { 250 /* set SSP0 to 16-bit */ 251 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); 252 bits = 16; 253 } else { 254 /* set SSP2 to 24-bit */ 255 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); 256 bits = 24; 257 } 258 259 /* 260 * Default mode for SSP configuration is TDM 4 slot, override config 261 * with explicit setting to I2S 2ch 24-bit. The word length is set with 262 * dai_set_tdm_slot() since there is no other API exposed 263 */ 264 ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), 265 SND_SOC_DAIFMT_I2S | 266 SND_SOC_DAIFMT_NB_NF | 267 SND_SOC_DAIFMT_CBS_CFS 268 ); 269 if (ret < 0) { 270 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret); 271 return ret; 272 } 273 274 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); 275 if (ret < 0) { 276 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret); 277 return ret; 278 } 279 280 return 0; 281 } 282 283 static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream) 284 { 285 return snd_pcm_hw_constraint_single(substream->runtime, 286 SNDRV_PCM_HW_PARAM_RATE, 48000); 287 } 288 289 static const struct snd_soc_ops byt_cht_es8316_aif1_ops = { 290 .startup = byt_cht_es8316_aif1_startup, 291 }; 292 293 SND_SOC_DAILINK_DEF(dummy, 294 DAILINK_COMP_ARRAY(COMP_DUMMY())); 295 296 SND_SOC_DAILINK_DEF(media, 297 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); 298 299 SND_SOC_DAILINK_DEF(deepbuffer, 300 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); 301 302 SND_SOC_DAILINK_DEF(ssp2_port, 303 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port"))); 304 SND_SOC_DAILINK_DEF(ssp2_codec, 305 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi"))); 306 307 SND_SOC_DAILINK_DEF(platform, 308 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); 309 310 static struct snd_soc_dai_link byt_cht_es8316_dais[] = { 311 [MERR_DPCM_AUDIO] = { 312 .name = "Audio Port", 313 .stream_name = "Audio", 314 .nonatomic = true, 315 .dynamic = 1, 316 .dpcm_playback = 1, 317 .dpcm_capture = 1, 318 .ops = &byt_cht_es8316_aif1_ops, 319 SND_SOC_DAILINK_REG(media, dummy, platform), 320 }, 321 322 [MERR_DPCM_DEEP_BUFFER] = { 323 .name = "Deep-Buffer Audio Port", 324 .stream_name = "Deep-Buffer Audio", 325 .nonatomic = true, 326 .dynamic = 1, 327 .dpcm_playback = 1, 328 .ops = &byt_cht_es8316_aif1_ops, 329 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), 330 }, 331 332 /* back ends */ 333 { 334 .name = "SSP2-Codec", 335 .id = 0, 336 .no_pcm = 1, 337 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF 338 | SND_SOC_DAIFMT_CBS_CFS, 339 .be_hw_params_fixup = byt_cht_es8316_codec_fixup, 340 .dpcm_playback = 1, 341 .dpcm_capture = 1, 342 .init = byt_cht_es8316_init, 343 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform), 344 }, 345 }; 346 347 348 /* SoC card */ 349 static char codec_name[SND_ACPI_I2C_ID_LEN]; 350 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 351 static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */ 352 #endif 353 static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */ 354 355 static int byt_cht_es8316_suspend(struct snd_soc_card *card) 356 { 357 struct snd_soc_component *component; 358 359 for_each_card_components(card, component) { 360 if (!strcmp(component->name, codec_name)) { 361 dev_dbg(component->dev, "disabling jack detect before suspend\n"); 362 snd_soc_component_set_jack(component, NULL, NULL); 363 break; 364 } 365 } 366 367 return 0; 368 } 369 370 static int byt_cht_es8316_resume(struct snd_soc_card *card) 371 { 372 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); 373 struct snd_soc_component *component; 374 375 for_each_card_components(card, component) { 376 if (!strcmp(component->name, codec_name)) { 377 dev_dbg(component->dev, "re-enabling jack detect after resume\n"); 378 snd_soc_component_set_jack(component, &priv->jack, NULL); 379 break; 380 } 381 } 382 383 /* 384 * Some Cherry Trail boards with an ES8316 codec have a bug in their 385 * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods 386 * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown 387 * that this really is a bug and the GPIO has no influence on the 388 * touchscreen at all. 389 * 390 * The silead.c touchscreen driver does not support runtime suspend, so 391 * the GPIO can only be changed underneath us during a system suspend. 392 * This resume() function runs from a pm complete() callback, and thus 393 * is guaranteed to run after the touchscreen driver/ACPI-subsys has 394 * brought the touchscreen back up again (and thus changed the GPIO). 395 * 396 * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when 397 * requesting the GPIO and we set its value here to undo any changes 398 * done by the touchscreen's broken _PS0 ACPI method. 399 */ 400 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en); 401 402 return 0; 403 } 404 405 /* use space before codec name to simplify card ID, and simplify driver name */ 406 #define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */ 407 #define SOF_DRIVER_NAME "SOF" 408 409 #define CARD_NAME "bytcht-es8316" 410 #define DRIVER_NAME NULL /* card name will be used for driver name */ 411 412 static struct snd_soc_card byt_cht_es8316_card = { 413 .owner = THIS_MODULE, 414 .dai_link = byt_cht_es8316_dais, 415 .num_links = ARRAY_SIZE(byt_cht_es8316_dais), 416 .dapm_widgets = byt_cht_es8316_widgets, 417 .num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets), 418 .dapm_routes = byt_cht_es8316_audio_map, 419 .num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map), 420 .controls = byt_cht_es8316_controls, 421 .num_controls = ARRAY_SIZE(byt_cht_es8316_controls), 422 .fully_routed = true, 423 .suspend_pre = byt_cht_es8316_suspend, 424 .resume_post = byt_cht_es8316_resume, 425 }; 426 427 static const struct acpi_gpio_params first_gpio = { 0, 0, false }; 428 429 static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = { 430 { "speaker-enable-gpios", &first_gpio, 1 }, 431 { }, 432 }; 433 434 /* Please keep this list alphabetically sorted */ 435 static const struct dmi_system_id byt_cht_es8316_quirk_table[] = { 436 { /* Irbis NB41 */ 437 .matches = { 438 DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"), 439 DMI_MATCH(DMI_PRODUCT_NAME, "NB41"), 440 }, 441 .driver_data = (void *)(BYT_CHT_ES8316_SSP0 442 | BYT_CHT_ES8316_INTMIC_IN2_MAP 443 | BYT_CHT_ES8316_JD_INVERTED), 444 }, 445 { /* Teclast X98 Plus II */ 446 .matches = { 447 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"), 448 DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"), 449 }, 450 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP 451 | BYT_CHT_ES8316_JD_INVERTED), 452 }, 453 {} 454 }; 455 456 static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev) 457 { 458 static const char * const mic_name[] = { "in1", "in2" }; 459 struct property_entry props[MAX_NO_PROPS] = {}; 460 struct byt_cht_es8316_private *priv; 461 const struct dmi_system_id *dmi_id; 462 struct device *dev = &pdev->dev; 463 struct snd_soc_acpi_mach *mach; 464 const char *platform_name; 465 struct acpi_device *adev; 466 struct device *codec_dev; 467 bool sof_parent; 468 unsigned int cnt = 0; 469 int dai_index = 0; 470 int i; 471 int ret = 0; 472 473 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 474 if (!priv) 475 return -ENOMEM; 476 477 mach = dev->platform_data; 478 /* fix index of codec dai */ 479 for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) { 480 if (!strcmp(byt_cht_es8316_dais[i].codecs->name, 481 "i2c-ESSX8316:00")) { 482 dai_index = i; 483 break; 484 } 485 } 486 487 /* fixup codec name based on HID */ 488 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); 489 if (adev) { 490 snprintf(codec_name, sizeof(codec_name), 491 "i2c-%s", acpi_dev_name(adev)); 492 put_device(&adev->dev); 493 byt_cht_es8316_dais[dai_index].codecs->name = codec_name; 494 } 495 496 /* override plaform name, if required */ 497 byt_cht_es8316_card.dev = dev; 498 platform_name = mach->mach_params.platform; 499 500 ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card, 501 platform_name); 502 if (ret) 503 return ret; 504 505 /* Check for BYTCR or other platform and setup quirks */ 506 dmi_id = dmi_first_match(byt_cht_es8316_quirk_table); 507 if (dmi_id) { 508 quirk = (unsigned long)dmi_id->driver_data; 509 } else if (soc_intel_is_byt() && 510 mach->mach_params.acpi_ipc_irq_index == 0) { 511 /* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */ 512 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP | 513 BYT_CHT_ES8316_MONO_SPEAKER; 514 } else { 515 /* Others default to internal-mic-in1-map, mono-speaker */ 516 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP | 517 BYT_CHT_ES8316_MONO_SPEAKER; 518 } 519 if (quirk_override != -1) { 520 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n", 521 quirk, quirk_override); 522 quirk = quirk_override; 523 } 524 log_quirks(dev); 525 526 if (quirk & BYT_CHT_ES8316_SSP0) 527 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port"; 528 529 /* get the clock */ 530 priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3"); 531 if (IS_ERR(priv->mclk)) { 532 ret = PTR_ERR(priv->mclk); 533 dev_err(dev, "clk_get pmc_plt_clk_3 failed: %d\n", ret); 534 return ret; 535 } 536 537 /* get speaker enable GPIO */ 538 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, codec_name); 539 if (!codec_dev) 540 return -EPROBE_DEFER; 541 542 if (quirk & BYT_CHT_ES8316_JD_INVERTED) 543 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted"); 544 545 if (cnt) { 546 ret = device_add_properties(codec_dev, props); 547 if (ret) { 548 put_device(codec_dev); 549 return ret; 550 } 551 } 552 553 devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios); 554 priv->speaker_en_gpio = 555 gpiod_get_index(codec_dev, "speaker-enable", 0, 556 /* see comment in byt_cht_es8316_resume */ 557 GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE); 558 put_device(codec_dev); 559 560 if (IS_ERR(priv->speaker_en_gpio)) { 561 ret = PTR_ERR(priv->speaker_en_gpio); 562 switch (ret) { 563 case -ENOENT: 564 priv->speaker_en_gpio = NULL; 565 break; 566 default: 567 dev_err(dev, "get speaker GPIO failed: %d\n", ret); 568 fallthrough; 569 case -EPROBE_DEFER: 570 return ret; 571 } 572 } 573 574 snprintf(components_string, sizeof(components_string), 575 "cfg-spk:%s cfg-mic:%s", 576 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2", 577 mic_name[BYT_CHT_ES8316_MAP(quirk)]); 578 byt_cht_es8316_card.components = components_string; 579 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES) 580 snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic", 581 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo", 582 mic_name[BYT_CHT_ES8316_MAP(quirk)]); 583 byt_cht_es8316_card.long_name = long_name; 584 #endif 585 586 sof_parent = snd_soc_acpi_sof_parent(&pdev->dev); 587 588 /* set card and driver name */ 589 if (sof_parent) { 590 byt_cht_es8316_card.name = SOF_CARD_NAME; 591 byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME; 592 } else { 593 byt_cht_es8316_card.name = CARD_NAME; 594 byt_cht_es8316_card.driver_name = DRIVER_NAME; 595 } 596 597 /* set pm ops */ 598 if (sof_parent) 599 dev->driver->pm = &snd_soc_pm_ops; 600 601 /* register the soc card */ 602 snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv); 603 604 ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card); 605 if (ret) { 606 gpiod_put(priv->speaker_en_gpio); 607 dev_err(dev, "snd_soc_register_card failed: %d\n", ret); 608 return ret; 609 } 610 platform_set_drvdata(pdev, &byt_cht_es8316_card); 611 return 0; 612 } 613 614 static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev) 615 { 616 struct snd_soc_card *card = platform_get_drvdata(pdev); 617 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card); 618 619 gpiod_put(priv->speaker_en_gpio); 620 return 0; 621 } 622 623 static struct platform_driver snd_byt_cht_es8316_mc_driver = { 624 .driver = { 625 .name = "bytcht_es8316", 626 }, 627 .probe = snd_byt_cht_es8316_mc_probe, 628 .remove = snd_byt_cht_es8316_mc_remove, 629 }; 630 631 module_platform_driver(snd_byt_cht_es8316_mc_driver); 632 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver"); 633 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>"); 634 MODULE_LICENSE("GPL v2"); 635 MODULE_ALIAS("platform:bytcht_es8316"); 636