1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Intel Skylake I2S Machine Driver with MAXIM98357A 4 * and NAU88L25 5 * 6 * Copyright (C) 2015, Intel Corporation. All rights reserved. 7 */ 8 9 #include <linux/module.h> 10 #include <linux/platform_device.h> 11 #include <sound/core.h> 12 #include <sound/jack.h> 13 #include <sound/pcm.h> 14 #include <sound/pcm_params.h> 15 #include <sound/soc.h> 16 #include <sound/soc-acpi.h> 17 #include "../../codecs/nau8825.h" 18 #include "../../codecs/hdac_hdmi.h" 19 20 #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" 21 #define SKL_MAXIM_CODEC_DAI "HiFi" 22 #define DMIC_CH(p) p->list[p->count-1] 23 24 static struct snd_soc_jack skylake_headset; 25 static struct snd_soc_card skylake_audio_card; 26 static const struct snd_pcm_hw_constraint_list *dmic_constraints; 27 static struct snd_soc_jack skylake_hdmi[3]; 28 29 struct skl_hdmi_pcm { 30 struct list_head head; 31 struct snd_soc_dai *codec_dai; 32 int device; 33 }; 34 35 struct skl_nau8825_private { 36 struct list_head hdmi_pcm_list; 37 }; 38 39 enum { 40 SKL_DPCM_AUDIO_PB = 0, 41 SKL_DPCM_AUDIO_CP, 42 SKL_DPCM_AUDIO_REF_CP, 43 SKL_DPCM_AUDIO_DMIC_CP, 44 SKL_DPCM_AUDIO_HDMI1_PB, 45 SKL_DPCM_AUDIO_HDMI2_PB, 46 SKL_DPCM_AUDIO_HDMI3_PB, 47 }; 48 49 static int platform_clock_control(struct snd_soc_dapm_widget *w, 50 struct snd_kcontrol *k, int event) 51 { 52 struct snd_soc_dapm_context *dapm = w->dapm; 53 struct snd_soc_card *card = dapm->card; 54 struct snd_soc_dai *codec_dai; 55 int ret; 56 57 codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI); 58 if (!codec_dai) { 59 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n"); 60 return -EIO; 61 } 62 63 if (SND_SOC_DAPM_EVENT_ON(event)) { 64 ret = snd_soc_dai_set_sysclk(codec_dai, 65 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); 66 if (ret < 0) { 67 dev_err(card->dev, "set sysclk err = %d\n", ret); 68 return -EIO; 69 } 70 } else { 71 ret = snd_soc_dai_set_sysclk(codec_dai, 72 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN); 73 if (ret < 0) { 74 dev_err(card->dev, "set sysclk err = %d\n", ret); 75 return -EIO; 76 } 77 } 78 79 return ret; 80 } 81 82 static const struct snd_kcontrol_new skylake_controls[] = { 83 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 84 SOC_DAPM_PIN_SWITCH("Headset Mic"), 85 SOC_DAPM_PIN_SWITCH("Spk"), 86 }; 87 88 static const struct snd_soc_dapm_widget skylake_widgets[] = { 89 SND_SOC_DAPM_HP("Headphone Jack", NULL), 90 SND_SOC_DAPM_MIC("Headset Mic", NULL), 91 SND_SOC_DAPM_SPK("Spk", NULL), 92 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 93 SND_SOC_DAPM_SPK("DP1", NULL), 94 SND_SOC_DAPM_SPK("DP2", NULL), 95 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 96 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 97 SND_SOC_DAPM_POST_PMD), 98 }; 99 100 static struct snd_soc_jack_pin jack_pins[] = { 101 { 102 .pin = "Headphone Jack", 103 .mask = SND_JACK_HEADPHONE, 104 }, 105 { 106 .pin = "Headset Mic", 107 .mask = SND_JACK_MICROPHONE, 108 }, 109 }; 110 111 static const struct snd_soc_dapm_route skylake_map[] = { 112 /* HP jack connectors - unknown if we have jack detection */ 113 { "Headphone Jack", NULL, "HPOL" }, 114 { "Headphone Jack", NULL, "HPOR" }, 115 116 /* speaker */ 117 { "Spk", NULL, "Speaker" }, 118 119 /* other jacks */ 120 { "MIC", NULL, "Headset Mic" }, 121 { "DMic", NULL, "SoC DMIC" }, 122 123 /* CODEC BE connections */ 124 { "HiFi Playback", NULL, "ssp0 Tx" }, 125 { "ssp0 Tx", NULL, "codec0_out" }, 126 127 { "Playback", NULL, "ssp1 Tx" }, 128 { "ssp1 Tx", NULL, "codec1_out" }, 129 130 { "codec0_in", NULL, "ssp1 Rx" }, 131 { "ssp1 Rx", NULL, "Capture" }, 132 133 /* DMIC */ 134 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 135 { "DMIC01 Rx", NULL, "DMIC AIF" }, 136 137 { "hifi3", NULL, "iDisp3 Tx"}, 138 { "iDisp3 Tx", NULL, "iDisp3_out"}, 139 { "hifi2", NULL, "iDisp2 Tx"}, 140 { "iDisp2 Tx", NULL, "iDisp2_out"}, 141 { "hifi1", NULL, "iDisp1 Tx"}, 142 { "iDisp1 Tx", NULL, "iDisp1_out"}, 143 144 { "Headphone Jack", NULL, "Platform Clock" }, 145 { "Headset Mic", NULL, "Platform Clock" }, 146 }; 147 148 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 149 struct snd_pcm_hw_params *params) 150 { 151 struct snd_interval *rate = hw_param_interval(params, 152 SNDRV_PCM_HW_PARAM_RATE); 153 struct snd_interval *chan = hw_param_interval(params, 154 SNDRV_PCM_HW_PARAM_CHANNELS); 155 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 156 157 /* The ADSP will convert the FE rate to 48k, stereo */ 158 rate->min = rate->max = 48000; 159 chan->min = chan->max = 2; 160 161 /* set SSP0 to 24 bit */ 162 snd_mask_none(fmt); 163 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 164 165 return 0; 166 } 167 168 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) 169 { 170 int ret; 171 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; 172 173 /* 174 * Headset buttons map to the google Reference headset. 175 * These can be configured by userspace. 176 */ 177 ret = snd_soc_card_jack_new_pins(&skylake_audio_card, "Headset Jack", 178 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 179 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset, 180 jack_pins, 181 ARRAY_SIZE(jack_pins)); 182 if (ret) { 183 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); 184 return ret; 185 } 186 187 nau8825_enable_jack_detect(component, &skylake_headset); 188 189 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 190 191 return ret; 192 } 193 194 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) 195 { 196 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); 197 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 198 struct skl_hdmi_pcm *pcm; 199 200 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 201 if (!pcm) 202 return -ENOMEM; 203 204 pcm->device = SKL_DPCM_AUDIO_HDMI1_PB; 205 pcm->codec_dai = dai; 206 207 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 208 209 return 0; 210 } 211 212 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) 213 { 214 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); 215 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 216 struct skl_hdmi_pcm *pcm; 217 218 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 219 if (!pcm) 220 return -ENOMEM; 221 222 pcm->device = SKL_DPCM_AUDIO_HDMI2_PB; 223 pcm->codec_dai = dai; 224 225 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 226 227 return 0; 228 } 229 230 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) 231 { 232 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card); 233 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 234 struct skl_hdmi_pcm *pcm; 235 236 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 237 if (!pcm) 238 return -ENOMEM; 239 240 pcm->device = SKL_DPCM_AUDIO_HDMI3_PB; 241 pcm->codec_dai = dai; 242 243 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 244 245 return 0; 246 } 247 248 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd) 249 { 250 struct snd_soc_dapm_context *dapm; 251 struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component; 252 253 dapm = snd_soc_component_get_dapm(component); 254 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 255 256 return 0; 257 } 258 259 static const unsigned int rates[] = { 260 48000, 261 }; 262 263 static const struct snd_pcm_hw_constraint_list constraints_rates = { 264 .count = ARRAY_SIZE(rates), 265 .list = rates, 266 .mask = 0, 267 }; 268 269 static const unsigned int channels[] = { 270 2, 271 }; 272 273 static const struct snd_pcm_hw_constraint_list constraints_channels = { 274 .count = ARRAY_SIZE(channels), 275 .list = channels, 276 .mask = 0, 277 }; 278 279 static int skl_fe_startup(struct snd_pcm_substream *substream) 280 { 281 struct snd_pcm_runtime *runtime = substream->runtime; 282 283 /* 284 * On this platform for PCM device we support, 285 * 48Khz 286 * stereo 287 * 16 bit audio 288 */ 289 290 runtime->hw.channels_max = 2; 291 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 292 &constraints_channels); 293 294 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 295 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 296 297 snd_pcm_hw_constraint_list(runtime, 0, 298 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 299 300 return 0; 301 } 302 303 static const struct snd_soc_ops skylake_nau8825_fe_ops = { 304 .startup = skl_fe_startup, 305 }; 306 307 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream, 308 struct snd_pcm_hw_params *params) 309 { 310 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream); 311 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0); 312 int ret; 313 314 ret = snd_soc_dai_set_sysclk(codec_dai, 315 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); 316 317 if (ret < 0) 318 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); 319 320 return ret; 321 } 322 323 static const struct snd_soc_ops skylake_nau8825_ops = { 324 .hw_params = skylake_nau8825_hw_params, 325 }; 326 327 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 328 struct snd_pcm_hw_params *params) 329 { 330 struct snd_interval *chan = hw_param_interval(params, 331 SNDRV_PCM_HW_PARAM_CHANNELS); 332 333 if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2) 334 chan->min = chan->max = 2; 335 else 336 chan->min = chan->max = 4; 337 338 return 0; 339 } 340 341 static const unsigned int channels_dmic[] = { 342 2, 4, 343 }; 344 345 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = { 346 .count = ARRAY_SIZE(channels_dmic), 347 .list = channels_dmic, 348 .mask = 0, 349 }; 350 351 static const unsigned int dmic_2ch[] = { 352 2, 353 }; 354 355 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = { 356 .count = ARRAY_SIZE(dmic_2ch), 357 .list = dmic_2ch, 358 .mask = 0, 359 }; 360 361 static int skylake_dmic_startup(struct snd_pcm_substream *substream) 362 { 363 struct snd_pcm_runtime *runtime = substream->runtime; 364 365 runtime->hw.channels_max = DMIC_CH(dmic_constraints); 366 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 367 dmic_constraints); 368 369 return snd_pcm_hw_constraint_list(substream->runtime, 0, 370 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 371 } 372 373 static const struct snd_soc_ops skylake_dmic_ops = { 374 .startup = skylake_dmic_startup, 375 }; 376 377 static const unsigned int rates_16000[] = { 378 16000, 379 }; 380 381 static const struct snd_pcm_hw_constraint_list constraints_16000 = { 382 .count = ARRAY_SIZE(rates_16000), 383 .list = rates_16000, 384 }; 385 386 static const unsigned int ch_mono[] = { 387 1, 388 }; 389 390 static const struct snd_pcm_hw_constraint_list constraints_refcap = { 391 .count = ARRAY_SIZE(ch_mono), 392 .list = ch_mono, 393 }; 394 395 static int skylake_refcap_startup(struct snd_pcm_substream *substream) 396 { 397 substream->runtime->hw.channels_max = 1; 398 snd_pcm_hw_constraint_list(substream->runtime, 0, 399 SNDRV_PCM_HW_PARAM_CHANNELS, 400 &constraints_refcap); 401 402 return snd_pcm_hw_constraint_list(substream->runtime, 0, 403 SNDRV_PCM_HW_PARAM_RATE, 404 &constraints_16000); 405 } 406 407 static const struct snd_soc_ops skylake_refcap_ops = { 408 .startup = skylake_refcap_startup, 409 }; 410 411 SND_SOC_DAILINK_DEF(dummy, 412 DAILINK_COMP_ARRAY(COMP_DUMMY())); 413 414 SND_SOC_DAILINK_DEF(system, 415 DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); 416 417 SND_SOC_DAILINK_DEF(reference, 418 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin"))); 419 420 SND_SOC_DAILINK_DEF(dmic, 421 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin"))); 422 423 SND_SOC_DAILINK_DEF(hdmi1, 424 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin"))); 425 426 SND_SOC_DAILINK_DEF(hdmi2, 427 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin"))); 428 429 SND_SOC_DAILINK_DEF(hdmi3, 430 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin"))); 431 432 SND_SOC_DAILINK_DEF(ssp0_pin, 433 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); 434 SND_SOC_DAILINK_DEF(ssp0_codec, 435 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI))); 436 437 SND_SOC_DAILINK_DEF(ssp1_pin, 438 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin"))); 439 SND_SOC_DAILINK_DEF(ssp1_codec, 440 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", 441 SKL_NUVOTON_CODEC_DAI))); 442 443 SND_SOC_DAILINK_DEF(dmic_pin, 444 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin"))); 445 SND_SOC_DAILINK_DEF(dmic_codec, 446 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); 447 448 SND_SOC_DAILINK_DEF(idisp1_pin, 449 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); 450 SND_SOC_DAILINK_DEF(idisp1_codec, 451 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); 452 453 SND_SOC_DAILINK_DEF(idisp2_pin, 454 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); 455 SND_SOC_DAILINK_DEF(idisp2_codec, 456 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); 457 458 SND_SOC_DAILINK_DEF(idisp3_pin, 459 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); 460 SND_SOC_DAILINK_DEF(idisp3_codec, 461 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); 462 463 SND_SOC_DAILINK_DEF(platform, 464 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3"))); 465 466 /* skylake digital audio interface glue - connects codec <--> CPU */ 467 static struct snd_soc_dai_link skylake_dais[] = { 468 /* Front End DAI links */ 469 [SKL_DPCM_AUDIO_PB] = { 470 .name = "Skl Audio Port", 471 .stream_name = "Audio", 472 .dynamic = 1, 473 .nonatomic = 1, 474 .init = skylake_nau8825_fe_init, 475 .trigger = { 476 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 477 .dpcm_playback = 1, 478 .ops = &skylake_nau8825_fe_ops, 479 SND_SOC_DAILINK_REG(system, dummy, platform), 480 }, 481 [SKL_DPCM_AUDIO_CP] = { 482 .name = "Skl Audio Capture Port", 483 .stream_name = "Audio Record", 484 .dynamic = 1, 485 .nonatomic = 1, 486 .trigger = { 487 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 488 .dpcm_capture = 1, 489 .ops = &skylake_nau8825_fe_ops, 490 SND_SOC_DAILINK_REG(system, dummy, platform), 491 }, 492 [SKL_DPCM_AUDIO_REF_CP] = { 493 .name = "Skl Audio Reference cap", 494 .stream_name = "Wake on Voice", 495 .init = NULL, 496 .dpcm_capture = 1, 497 .nonatomic = 1, 498 .dynamic = 1, 499 .ops = &skylake_refcap_ops, 500 SND_SOC_DAILINK_REG(reference, dummy, platform), 501 }, 502 [SKL_DPCM_AUDIO_DMIC_CP] = { 503 .name = "Skl Audio DMIC cap", 504 .stream_name = "dmiccap", 505 .init = NULL, 506 .dpcm_capture = 1, 507 .nonatomic = 1, 508 .dynamic = 1, 509 .ops = &skylake_dmic_ops, 510 SND_SOC_DAILINK_REG(dmic, dummy, platform), 511 }, 512 [SKL_DPCM_AUDIO_HDMI1_PB] = { 513 .name = "Skl HDMI Port1", 514 .stream_name = "Hdmi1", 515 .dpcm_playback = 1, 516 .init = NULL, 517 .trigger = { 518 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 519 .nonatomic = 1, 520 .dynamic = 1, 521 SND_SOC_DAILINK_REG(hdmi1, dummy, platform), 522 }, 523 [SKL_DPCM_AUDIO_HDMI2_PB] = { 524 .name = "Skl HDMI Port2", 525 .stream_name = "Hdmi2", 526 .dpcm_playback = 1, 527 .init = NULL, 528 .trigger = { 529 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 530 .nonatomic = 1, 531 .dynamic = 1, 532 SND_SOC_DAILINK_REG(hdmi2, dummy, platform), 533 }, 534 [SKL_DPCM_AUDIO_HDMI3_PB] = { 535 .name = "Skl HDMI Port3", 536 .stream_name = "Hdmi3", 537 .trigger = { 538 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 539 .dpcm_playback = 1, 540 .init = NULL, 541 .nonatomic = 1, 542 .dynamic = 1, 543 SND_SOC_DAILINK_REG(hdmi3, dummy, platform), 544 }, 545 546 /* Back End DAI links */ 547 { 548 /* SSP0 - Codec */ 549 .name = "SSP0-Codec", 550 .id = 0, 551 .no_pcm = 1, 552 .dai_fmt = SND_SOC_DAIFMT_I2S | 553 SND_SOC_DAIFMT_NB_NF | 554 SND_SOC_DAIFMT_CBC_CFC, 555 .ignore_pmdown_time = 1, 556 .be_hw_params_fixup = skylake_ssp_fixup, 557 .dpcm_playback = 1, 558 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), 559 }, 560 { 561 /* SSP1 - Codec */ 562 .name = "SSP1-Codec", 563 .id = 1, 564 .no_pcm = 1, 565 .init = skylake_nau8825_codec_init, 566 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 567 SND_SOC_DAIFMT_CBC_CFC, 568 .ignore_pmdown_time = 1, 569 .be_hw_params_fixup = skylake_ssp_fixup, 570 .ops = &skylake_nau8825_ops, 571 .dpcm_playback = 1, 572 .dpcm_capture = 1, 573 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform), 574 }, 575 { 576 .name = "dmic01", 577 .id = 2, 578 .be_hw_params_fixup = skylake_dmic_fixup, 579 .ignore_suspend = 1, 580 .dpcm_capture = 1, 581 .no_pcm = 1, 582 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), 583 }, 584 { 585 .name = "iDisp1", 586 .id = 3, 587 .dpcm_playback = 1, 588 .init = skylake_hdmi1_init, 589 .no_pcm = 1, 590 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 591 }, 592 { 593 .name = "iDisp2", 594 .id = 4, 595 .init = skylake_hdmi2_init, 596 .dpcm_playback = 1, 597 .no_pcm = 1, 598 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 599 }, 600 { 601 .name = "iDisp3", 602 .id = 5, 603 .init = skylake_hdmi3_init, 604 .dpcm_playback = 1, 605 .no_pcm = 1, 606 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 607 }, 608 }; 609 610 #define NAME_SIZE 32 611 static int skylake_card_late_probe(struct snd_soc_card *card) 612 { 613 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card); 614 struct skl_hdmi_pcm *pcm; 615 struct snd_soc_component *component = NULL; 616 int err, i = 0; 617 char jack_name[NAME_SIZE]; 618 619 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 620 component = pcm->codec_dai->component; 621 snprintf(jack_name, sizeof(jack_name), 622 "HDMI/DP, pcm=%d Jack", pcm->device); 623 err = snd_soc_card_jack_new(card, jack_name, 624 SND_JACK_AVOUT, 625 &skylake_hdmi[i]); 626 627 if (err) 628 return err; 629 630 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 631 &skylake_hdmi[i]); 632 if (err < 0) 633 return err; 634 635 i++; 636 } 637 638 if (!component) 639 return -EINVAL; 640 641 return hdac_hdmi_jack_port_init(component, &card->dapm); 642 } 643 644 /* skylake audio machine driver for SPT + NAU88L25 */ 645 static struct snd_soc_card skylake_audio_card = { 646 .name = "sklnau8825max", 647 .owner = THIS_MODULE, 648 .dai_link = skylake_dais, 649 .num_links = ARRAY_SIZE(skylake_dais), 650 .controls = skylake_controls, 651 .num_controls = ARRAY_SIZE(skylake_controls), 652 .dapm_widgets = skylake_widgets, 653 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets), 654 .dapm_routes = skylake_map, 655 .num_dapm_routes = ARRAY_SIZE(skylake_map), 656 .fully_routed = true, 657 .disable_route_checks = true, 658 .late_probe = skylake_card_late_probe, 659 }; 660 661 static int skylake_audio_probe(struct platform_device *pdev) 662 { 663 struct skl_nau8825_private *ctx; 664 struct snd_soc_acpi_mach *mach; 665 666 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 667 if (!ctx) 668 return -ENOMEM; 669 670 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 671 672 skylake_audio_card.dev = &pdev->dev; 673 snd_soc_card_set_drvdata(&skylake_audio_card, ctx); 674 675 mach = pdev->dev.platform_data; 676 if (mach) 677 dmic_constraints = mach->mach_params.dmic_num == 2 ? 678 &constraints_dmic_2ch : &constraints_dmic_channels; 679 680 return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); 681 } 682 683 static const struct platform_device_id skl_board_ids[] = { 684 { .name = "skl_n88l25_m98357a" }, 685 { .name = "kbl_n88l25_m98357a" }, 686 { } 687 }; 688 MODULE_DEVICE_TABLE(platform, skl_board_ids); 689 690 static struct platform_driver skylake_audio = { 691 .probe = skylake_audio_probe, 692 .driver = { 693 .name = "skl_n88l25_m98357a", 694 .pm = &snd_soc_pm_ops, 695 }, 696 .id_table = skl_board_ids, 697 }; 698 699 module_platform_driver(skylake_audio) 700 701 /* Module information */ 702 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode"); 703 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com"); 704 MODULE_LICENSE("GPL v2"); 705