1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright(c) 2018 Intel Corporation. 3 4 /* 5 * Intel Kabylake I2S Machine Driver with MAX98927, MAX98373 & DA7219 Codecs 6 * 7 * Modified from: 8 * Intel Kabylake I2S Machine driver supporting MAX98927 and 9 * RT5663 codecs 10 */ 11 12 #include <linux/input.h> 13 #include <linux/module.h> 14 #include <linux/platform_device.h> 15 #include <sound/core.h> 16 #include <sound/jack.h> 17 #include <sound/pcm.h> 18 #include <sound/pcm_params.h> 19 #include <sound/soc.h> 20 #include "../../codecs/da7219.h" 21 #include "../../codecs/hdac_hdmi.h" 22 #include "../../codecs/da7219-aad.h" 23 24 #define KBL_DIALOG_CODEC_DAI "da7219-hifi" 25 #define MAX98927_CODEC_DAI "max98927-aif1" 26 #define MAX98927_DEV0_NAME "i2c-MX98927:00" 27 #define MAX98927_DEV1_NAME "i2c-MX98927:01" 28 29 #define MAX98373_CODEC_DAI "max98373-aif1" 30 #define MAX98373_DEV0_NAME "i2c-MX98373:00" 31 #define MAX98373_DEV1_NAME "i2c-MX98373:01" 32 33 34 #define DUAL_CHANNEL 2 35 #define QUAD_CHANNEL 4 36 #define NAME_SIZE 32 37 38 static struct snd_soc_card *kabylake_audio_card; 39 static struct snd_soc_jack kabylake_hdmi[3]; 40 41 struct kbl_hdmi_pcm { 42 struct list_head head; 43 struct snd_soc_dai *codec_dai; 44 int device; 45 }; 46 47 struct kbl_codec_private { 48 struct snd_soc_jack kabylake_headset; 49 struct list_head hdmi_pcm_list; 50 }; 51 52 enum { 53 KBL_DPCM_AUDIO_PB = 0, 54 KBL_DPCM_AUDIO_ECHO_REF_CP, 55 KBL_DPCM_AUDIO_REF_CP, 56 KBL_DPCM_AUDIO_DMIC_CP, 57 KBL_DPCM_AUDIO_HDMI1_PB, 58 KBL_DPCM_AUDIO_HDMI2_PB, 59 KBL_DPCM_AUDIO_HDMI3_PB, 60 KBL_DPCM_AUDIO_HS_PB, 61 KBL_DPCM_AUDIO_CP, 62 }; 63 64 static int platform_clock_control(struct snd_soc_dapm_widget *w, 65 struct snd_kcontrol *k, int event) 66 { 67 struct snd_soc_dapm_context *dapm = w->dapm; 68 struct snd_soc_card *card = dapm->card; 69 struct snd_soc_dai *codec_dai; 70 int ret = 0; 71 72 codec_dai = snd_soc_card_get_codec_dai(card, KBL_DIALOG_CODEC_DAI); 73 if (!codec_dai) { 74 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n"); 75 return -EIO; 76 } 77 78 /* Configure sysclk for codec */ 79 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 24576000, 80 SND_SOC_CLOCK_IN); 81 if (ret) { 82 dev_err(card->dev, "can't set codec sysclk configuration\n"); 83 return ret; 84 } 85 86 if (SND_SOC_DAPM_EVENT_OFF(event)) { 87 ret = snd_soc_dai_set_pll(codec_dai, 0, 88 DA7219_SYSCLK_MCLK, 0, 0); 89 if (ret) 90 dev_err(card->dev, "failed to stop PLL: %d\n", ret); 91 } else if (SND_SOC_DAPM_EVENT_ON(event)) { 92 ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM, 93 0, DA7219_PLL_FREQ_OUT_98304); 94 if (ret) 95 dev_err(card->dev, "failed to start PLL: %d\n", ret); 96 } 97 98 return ret; 99 } 100 101 static const struct snd_kcontrol_new kabylake_controls[] = { 102 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 103 SOC_DAPM_PIN_SWITCH("Headset Mic"), 104 SOC_DAPM_PIN_SWITCH("Left Spk"), 105 SOC_DAPM_PIN_SWITCH("Right Spk"), 106 }; 107 108 static const struct snd_soc_dapm_widget kabylake_widgets[] = { 109 SND_SOC_DAPM_HP("Headphone Jack", NULL), 110 SND_SOC_DAPM_MIC("Headset Mic", NULL), 111 SND_SOC_DAPM_SPK("Left Spk", NULL), 112 SND_SOC_DAPM_SPK("Right Spk", NULL), 113 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 114 SND_SOC_DAPM_SPK("DP", NULL), 115 SND_SOC_DAPM_SPK("HDMI", NULL), 116 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 117 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 118 SND_SOC_DAPM_POST_PMD), 119 }; 120 121 static const struct snd_soc_dapm_route kabylake_map[] = { 122 /* speaker */ 123 { "Left Spk", NULL, "Left BE_OUT" }, 124 { "Right Spk", NULL, "Right BE_OUT" }, 125 126 /* other jacks */ 127 { "DMic", NULL, "SoC DMIC" }, 128 129 { "HDMI", NULL, "hif5 Output" }, 130 { "DP", NULL, "hif6 Output" }, 131 132 /* CODEC BE connections */ 133 { "Left HiFi Playback", NULL, "ssp0 Tx" }, 134 { "Right HiFi Playback", NULL, "ssp0 Tx" }, 135 { "ssp0 Tx", NULL, "spk_out" }, 136 137 /* IV feedback path */ 138 { "codec0_fb_in", NULL, "ssp0 Rx"}, 139 { "ssp0 Rx", NULL, "Left HiFi Capture" }, 140 { "ssp0 Rx", NULL, "Right HiFi Capture" }, 141 142 /* AEC capture path */ 143 { "echo_ref_out", NULL, "ssp0 Rx" }, 144 145 /* DMIC */ 146 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 147 { "DMIC01 Rx", NULL, "DMIC AIF" }, 148 149 { "hifi1", NULL, "iDisp1 Tx" }, 150 { "iDisp1 Tx", NULL, "iDisp1_out" }, 151 { "hifi2", NULL, "iDisp2 Tx" }, 152 { "iDisp2 Tx", NULL, "iDisp2_out" }, 153 { "hifi3", NULL, "iDisp3 Tx"}, 154 { "iDisp3 Tx", NULL, "iDisp3_out"}, 155 }; 156 157 static const struct snd_soc_dapm_route kabylake_ssp1_map[] = { 158 { "Headphone Jack", NULL, "HPL" }, 159 { "Headphone Jack", NULL, "HPR" }, 160 161 /* other jacks */ 162 { "MIC", NULL, "Headset Mic" }, 163 164 /* CODEC BE connections */ 165 { "Playback", NULL, "ssp1 Tx" }, 166 { "ssp1 Tx", NULL, "codec1_out" }, 167 168 { "hs_in", NULL, "ssp1 Rx" }, 169 { "ssp1 Rx", NULL, "Capture" }, 170 171 { "Headphone Jack", NULL, "Platform Clock" }, 172 { "Headset Mic", NULL, "Platform Clock" }, 173 }; 174 175 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream, 176 struct snd_pcm_hw_params *params) 177 { 178 struct snd_soc_pcm_runtime *runtime = substream->private_data; 179 struct snd_soc_dai *codec_dai; 180 int ret, j; 181 182 for_each_rtd_codec_dais(runtime, j, codec_dai) { 183 184 if (!strcmp(codec_dai->component->name, MAX98927_DEV0_NAME)) { 185 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16); 186 if (ret < 0) { 187 dev_err(runtime->dev, "DEV0 TDM slot err:%d\n", ret); 188 return ret; 189 } 190 } 191 if (!strcmp(codec_dai->component->name, MAX98927_DEV1_NAME)) { 192 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16); 193 if (ret < 0) { 194 dev_err(runtime->dev, "DEV1 TDM slot err:%d\n", ret); 195 return ret; 196 } 197 } 198 if (!strcmp(codec_dai->component->name, MAX98373_DEV0_NAME)) { 199 ret = snd_soc_dai_set_tdm_slot(codec_dai, 200 0x03, 3, 8, 24); 201 if (ret < 0) { 202 dev_err(runtime->dev, 203 "DEV0 TDM slot err:%d\n", ret); 204 return ret; 205 } 206 } 207 if (!strcmp(codec_dai->component->name, MAX98373_DEV1_NAME)) { 208 ret = snd_soc_dai_set_tdm_slot(codec_dai, 209 0x0C, 3, 8, 24); 210 if (ret < 0) { 211 dev_err(runtime->dev, 212 "DEV0 TDM slot err:%d\n", ret); 213 return ret; 214 } 215 } 216 } 217 218 return 0; 219 } 220 221 static int kabylake_ssp0_trigger(struct snd_pcm_substream *substream, int cmd) 222 { 223 struct snd_soc_pcm_runtime *rtd = substream->private_data; 224 struct snd_soc_dai *codec_dai; 225 int j, ret; 226 227 for_each_rtd_codec_dais(rtd, j, codec_dai) { 228 const char *name = codec_dai->component->name; 229 struct snd_soc_component *component = codec_dai->component; 230 struct snd_soc_dapm_context *dapm = 231 snd_soc_component_get_dapm(component); 232 char pin_name[20]; 233 234 if (strcmp(name, MAX98927_DEV0_NAME) && 235 strcmp(name, MAX98927_DEV1_NAME) && 236 strcmp(name, MAX98373_DEV0_NAME) && 237 strcmp(name, MAX98373_DEV1_NAME)) 238 continue; 239 240 snprintf(pin_name, ARRAY_SIZE(pin_name), "%s Spk", 241 codec_dai->component->name_prefix); 242 243 switch (cmd) { 244 case SNDRV_PCM_TRIGGER_START: 245 case SNDRV_PCM_TRIGGER_RESUME: 246 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: 247 ret = snd_soc_dapm_enable_pin(dapm, pin_name); 248 if (ret) { 249 dev_err(rtd->dev, "failed to enable %s: %d\n", 250 pin_name, ret); 251 return ret; 252 } 253 snd_soc_dapm_sync(dapm); 254 break; 255 case SNDRV_PCM_TRIGGER_STOP: 256 case SNDRV_PCM_TRIGGER_SUSPEND: 257 case SNDRV_PCM_TRIGGER_PAUSE_PUSH: 258 ret = snd_soc_dapm_disable_pin(dapm, pin_name); 259 if (ret) { 260 dev_err(rtd->dev, "failed to disable %s: %d\n", 261 pin_name, ret); 262 return ret; 263 } 264 snd_soc_dapm_sync(dapm); 265 break; 266 } 267 } 268 269 return 0; 270 } 271 272 static struct snd_soc_ops kabylake_ssp0_ops = { 273 .hw_params = kabylake_ssp0_hw_params, 274 .trigger = kabylake_ssp0_trigger, 275 }; 276 277 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 278 struct snd_pcm_hw_params *params) 279 { 280 struct snd_interval *rate = hw_param_interval(params, 281 SNDRV_PCM_HW_PARAM_RATE); 282 struct snd_interval *chan = hw_param_interval(params, 283 SNDRV_PCM_HW_PARAM_CHANNELS); 284 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 285 struct snd_soc_dpcm *dpcm = container_of( 286 params, struct snd_soc_dpcm, hw_params); 287 struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link; 288 struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link; 289 290 /* 291 * Topology for kblda7219m98373 & kblmax98373 supports only S24_LE, 292 * where as kblda7219m98927 & kblmax98927 supports S16_LE by default. 293 * Skipping the port wise FE and BE configuration for kblda7219m98373 & 294 * kblmax98373 as the topology (FE & BE) supports S24_LE only. 295 */ 296 297 if (!strcmp(rtd->card->name, "kblda7219m98373") || 298 !strcmp(rtd->card->name, "kblmax98373")) { 299 /* The ADSP will convert the FE rate to 48k, stereo */ 300 rate->min = rate->max = 48000; 301 chan->min = chan->max = DUAL_CHANNEL; 302 303 /* set SSP to 24 bit */ 304 snd_mask_none(fmt); 305 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 306 return 0; 307 } 308 309 /* 310 * The ADSP will convert the FE rate to 48k, stereo, 24 bit 311 */ 312 if (!strcmp(fe_dai_link->name, "Kbl Audio Port") || 313 !strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") || 314 !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) { 315 rate->min = rate->max = 48000; 316 chan->min = chan->max = 2; 317 snd_mask_none(fmt); 318 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 319 } 320 321 /* 322 * The speaker on the SSP0 supports S16_LE and not S24_LE. 323 * thus changing the mask here 324 */ 325 if (!strcmp(be_dai_link->name, "SSP0-Codec")) 326 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE); 327 328 return 0; 329 } 330 331 static int kabylake_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) 332 { 333 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 334 struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component; 335 struct snd_soc_jack *jack; 336 struct snd_soc_card *card = rtd->card; 337 int ret; 338 339 340 ret = snd_soc_dapm_add_routes(&card->dapm, 341 kabylake_ssp1_map, 342 ARRAY_SIZE(kabylake_ssp1_map)); 343 344 if (ret) 345 return ret; 346 347 /* 348 * Headset buttons map to the google Reference headset. 349 * These can be configured by userspace. 350 */ 351 ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack", 352 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 353 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, 354 &ctx->kabylake_headset, NULL, 0); 355 if (ret) { 356 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); 357 return ret; 358 } 359 360 jack = &ctx->kabylake_headset; 361 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE); 362 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP); 363 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN); 364 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND); 365 366 da7219_aad_jack_det(component, &ctx->kabylake_headset); 367 368 return 0; 369 } 370 371 static int kabylake_dmic_init(struct snd_soc_pcm_runtime *rtd) 372 { 373 int ret; 374 ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 375 if (ret) 376 dev_err(rtd->dev, "SoC DMIC - Ignore suspend failed %d\n", ret); 377 378 return ret; 379 } 380 381 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device) 382 { 383 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 384 struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0); 385 struct kbl_hdmi_pcm *pcm; 386 387 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 388 if (!pcm) 389 return -ENOMEM; 390 391 pcm->device = device; 392 pcm->codec_dai = dai; 393 394 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 395 396 return 0; 397 } 398 399 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) 400 { 401 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB); 402 } 403 404 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) 405 { 406 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB); 407 } 408 409 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) 410 { 411 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB); 412 } 413 414 static int kabylake_da7219_fe_init(struct snd_soc_pcm_runtime *rtd) 415 { 416 struct snd_soc_dapm_context *dapm; 417 struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component; 418 419 dapm = snd_soc_component_get_dapm(component); 420 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 421 422 return 0; 423 } 424 425 static const unsigned int rates[] = { 426 48000, 427 }; 428 429 static const struct snd_pcm_hw_constraint_list constraints_rates = { 430 .count = ARRAY_SIZE(rates), 431 .list = rates, 432 .mask = 0, 433 }; 434 435 static const unsigned int channels[] = { 436 DUAL_CHANNEL, 437 }; 438 439 static const struct snd_pcm_hw_constraint_list constraints_channels = { 440 .count = ARRAY_SIZE(channels), 441 .list = channels, 442 .mask = 0, 443 }; 444 445 static unsigned int channels_quad[] = { 446 QUAD_CHANNEL, 447 }; 448 449 static struct snd_pcm_hw_constraint_list constraints_channels_quad = { 450 .count = ARRAY_SIZE(channels_quad), 451 .list = channels_quad, 452 .mask = 0, 453 }; 454 455 static int kbl_fe_startup(struct snd_pcm_substream *substream) 456 { 457 struct snd_pcm_runtime *runtime = substream->runtime; 458 struct snd_soc_pcm_runtime *soc_rt = substream->private_data; 459 460 /* 461 * On this platform for PCM device we support, 462 * 48Khz 463 * stereo 464 */ 465 466 runtime->hw.channels_max = DUAL_CHANNEL; 467 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 468 &constraints_channels); 469 /* 470 * Setup S24_LE (32 bit container and 24 bit valid data) for 471 * kblda7219m98373 & kblmax98373. For kblda7219m98927 & 472 * kblmax98927 keeping it as 16/16 due to topology FW dependency. 473 */ 474 if (!strcmp(soc_rt->card->name, "kblda7219m98373") || 475 !strcmp(soc_rt->card->name, "kblmax98373")) { 476 runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_LE; 477 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); 478 479 } else { 480 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 481 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 482 } 483 484 snd_pcm_hw_constraint_list(runtime, 0, 485 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 486 487 return 0; 488 } 489 490 static const struct snd_soc_ops kabylake_da7219_fe_ops = { 491 .startup = kbl_fe_startup, 492 }; 493 494 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 495 struct snd_pcm_hw_params *params) 496 { 497 struct snd_interval *chan = hw_param_interval(params, 498 SNDRV_PCM_HW_PARAM_CHANNELS); 499 500 /* 501 * set BE channel constraint as user FE channels 502 */ 503 504 if (params_channels(params) == 2) 505 chan->min = chan->max = 2; 506 else 507 chan->min = chan->max = 4; 508 509 return 0; 510 } 511 512 static int kabylake_dmic_startup(struct snd_pcm_substream *substream) 513 { 514 struct snd_pcm_runtime *runtime = substream->runtime; 515 struct snd_soc_pcm_runtime *soc_rt = substream->private_data; 516 517 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL; 518 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 519 &constraints_channels_quad); 520 521 /* 522 * Topology for kblda7219m98373 & kblmax98373 supports only S24_LE. 523 * The DMIC also configured for S24_LE. Forcing the DMIC format to 524 * S24_LE due to the topology FW dependency. 525 */ 526 if (!strcmp(soc_rt->card->name, "kblda7219m98373") || 527 !strcmp(soc_rt->card->name, "kblmax98373")) { 528 runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_LE; 529 snd_pcm_hw_constraint_msbits(runtime, 0, 32, 24); 530 } 531 532 return snd_pcm_hw_constraint_list(substream->runtime, 0, 533 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 534 } 535 536 static struct snd_soc_ops kabylake_dmic_ops = { 537 .startup = kabylake_dmic_startup, 538 }; 539 540 static const unsigned int rates_16000[] = { 541 16000, 542 }; 543 544 static const struct snd_pcm_hw_constraint_list constraints_16000 = { 545 .count = ARRAY_SIZE(rates_16000), 546 .list = rates_16000, 547 }; 548 549 static const unsigned int ch_mono[] = { 550 1, 551 }; 552 static const struct snd_pcm_hw_constraint_list constraints_refcap = { 553 .count = ARRAY_SIZE(ch_mono), 554 .list = ch_mono, 555 }; 556 557 static int kabylake_refcap_startup(struct snd_pcm_substream *substream) 558 { 559 substream->runtime->hw.channels_max = 1; 560 snd_pcm_hw_constraint_list(substream->runtime, 0, 561 SNDRV_PCM_HW_PARAM_CHANNELS, 562 &constraints_refcap); 563 564 return snd_pcm_hw_constraint_list(substream->runtime, 0, 565 SNDRV_PCM_HW_PARAM_RATE, 566 &constraints_16000); 567 } 568 569 570 static struct snd_soc_ops skylake_refcap_ops = { 571 .startup = kabylake_refcap_startup, 572 }; 573 574 static struct snd_soc_codec_conf max98927_codec_conf[] = { 575 576 { 577 .dlc = COMP_CODEC_CONF(MAX98927_DEV0_NAME), 578 .name_prefix = "Right", 579 }, 580 581 { 582 .dlc = COMP_CODEC_CONF(MAX98927_DEV1_NAME), 583 .name_prefix = "Left", 584 }, 585 }; 586 587 static struct snd_soc_codec_conf max98373_codec_conf[] = { 588 589 { 590 .dlc = COMP_CODEC_CONF(MAX98373_DEV0_NAME), 591 .name_prefix = "Right", 592 }, 593 594 { 595 .dlc = COMP_CODEC_CONF(MAX98373_DEV1_NAME), 596 .name_prefix = "Left", 597 }, 598 }; 599 600 static struct snd_soc_dai_link_component max98373_ssp0_codec_components[] = { 601 { /* Left */ 602 .name = MAX98373_DEV0_NAME, 603 .dai_name = MAX98373_CODEC_DAI, 604 }, 605 606 { /* For Right */ 607 .name = MAX98373_DEV1_NAME, 608 .dai_name = MAX98373_CODEC_DAI, 609 }, 610 611 }; 612 613 SND_SOC_DAILINK_DEF(dummy, 614 DAILINK_COMP_ARRAY(COMP_DUMMY())); 615 616 SND_SOC_DAILINK_DEF(system, 617 DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); 618 619 SND_SOC_DAILINK_DEF(echoref, 620 DAILINK_COMP_ARRAY(COMP_CPU("Echoref Pin"))); 621 622 SND_SOC_DAILINK_DEF(reference, 623 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin"))); 624 625 SND_SOC_DAILINK_DEF(dmic, 626 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin"))); 627 628 SND_SOC_DAILINK_DEF(hdmi1, 629 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin"))); 630 631 SND_SOC_DAILINK_DEF(hdmi2, 632 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin"))); 633 634 SND_SOC_DAILINK_DEF(hdmi3, 635 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin"))); 636 637 SND_SOC_DAILINK_DEF(system2, 638 DAILINK_COMP_ARRAY(COMP_CPU("System Pin2"))); 639 640 SND_SOC_DAILINK_DEF(ssp0_pin, 641 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); 642 SND_SOC_DAILINK_DEF(ssp0_codec, 643 DAILINK_COMP_ARRAY( 644 /* Left */ COMP_CODEC(MAX98927_DEV0_NAME, MAX98927_CODEC_DAI), 645 /* For Right */ COMP_CODEC(MAX98927_DEV1_NAME, MAX98927_CODEC_DAI))); 646 647 SND_SOC_DAILINK_DEF(ssp1_pin, 648 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin"))); 649 SND_SOC_DAILINK_DEF(ssp1_codec, 650 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-DLGS7219:00", 651 KBL_DIALOG_CODEC_DAI))); 652 653 SND_SOC_DAILINK_DEF(dmic_pin, 654 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin"))); 655 SND_SOC_DAILINK_DEF(dmic_codec, 656 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi"))); 657 658 SND_SOC_DAILINK_DEF(idisp1_pin, 659 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); 660 SND_SOC_DAILINK_DEF(idisp1_codec, 661 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); 662 663 SND_SOC_DAILINK_DEF(idisp2_pin, 664 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); 665 SND_SOC_DAILINK_DEF(idisp2_codec, 666 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); 667 668 SND_SOC_DAILINK_DEF(idisp3_pin, 669 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); 670 SND_SOC_DAILINK_DEF(idisp3_codec, 671 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); 672 673 SND_SOC_DAILINK_DEF(platform, 674 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3"))); 675 676 /* kabylake digital audio interface glue - connects codec <--> CPU */ 677 static struct snd_soc_dai_link kabylake_dais[] = { 678 /* Front End DAI links */ 679 [KBL_DPCM_AUDIO_PB] = { 680 .name = "Kbl Audio Port", 681 .stream_name = "Audio", 682 .dynamic = 1, 683 .nonatomic = 1, 684 .init = kabylake_da7219_fe_init, 685 .trigger = { 686 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 687 .dpcm_playback = 1, 688 .ops = &kabylake_da7219_fe_ops, 689 SND_SOC_DAILINK_REG(system, dummy, platform), 690 }, 691 [KBL_DPCM_AUDIO_ECHO_REF_CP] = { 692 .name = "Kbl Audio Echo Reference cap", 693 .stream_name = "Echoreference Capture", 694 .init = NULL, 695 .capture_only = 1, 696 .nonatomic = 1, 697 SND_SOC_DAILINK_REG(echoref, dummy, platform), 698 }, 699 [KBL_DPCM_AUDIO_REF_CP] = { 700 .name = "Kbl Audio Reference cap", 701 .stream_name = "Wake on Voice", 702 .init = NULL, 703 .dpcm_capture = 1, 704 .nonatomic = 1, 705 .dynamic = 1, 706 .ops = &skylake_refcap_ops, 707 SND_SOC_DAILINK_REG(reference, dummy, platform), 708 }, 709 [KBL_DPCM_AUDIO_DMIC_CP] = { 710 .name = "Kbl Audio DMIC cap", 711 .stream_name = "dmiccap", 712 .init = NULL, 713 .dpcm_capture = 1, 714 .nonatomic = 1, 715 .dynamic = 1, 716 .ops = &kabylake_dmic_ops, 717 SND_SOC_DAILINK_REG(dmic, dummy, platform), 718 }, 719 [KBL_DPCM_AUDIO_HDMI1_PB] = { 720 .name = "Kbl HDMI Port1", 721 .stream_name = "Hdmi1", 722 .dpcm_playback = 1, 723 .init = NULL, 724 .trigger = { 725 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 726 .nonatomic = 1, 727 .dynamic = 1, 728 SND_SOC_DAILINK_REG(hdmi1, dummy, platform), 729 }, 730 [KBL_DPCM_AUDIO_HDMI2_PB] = { 731 .name = "Kbl HDMI Port2", 732 .stream_name = "Hdmi2", 733 .dpcm_playback = 1, 734 .init = NULL, 735 .trigger = { 736 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 737 .nonatomic = 1, 738 .dynamic = 1, 739 SND_SOC_DAILINK_REG(hdmi2, dummy, platform), 740 }, 741 [KBL_DPCM_AUDIO_HDMI3_PB] = { 742 .name = "Kbl HDMI Port3", 743 .stream_name = "Hdmi3", 744 .trigger = { 745 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 746 .dpcm_playback = 1, 747 .init = NULL, 748 .nonatomic = 1, 749 .dynamic = 1, 750 SND_SOC_DAILINK_REG(hdmi3, dummy, platform), 751 }, 752 [KBL_DPCM_AUDIO_HS_PB] = { 753 .name = "Kbl Audio Headset Playback", 754 .stream_name = "Headset Audio", 755 .dpcm_playback = 1, 756 .nonatomic = 1, 757 .dynamic = 1, 758 .init = kabylake_da7219_fe_init, 759 .trigger = { 760 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 761 .ops = &kabylake_da7219_fe_ops, 762 SND_SOC_DAILINK_REG(system2, dummy, platform), 763 }, 764 [KBL_DPCM_AUDIO_CP] = { 765 .name = "Kbl Audio Capture Port", 766 .stream_name = "Audio Record", 767 .dynamic = 1, 768 .nonatomic = 1, 769 .trigger = { 770 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 771 .dpcm_capture = 1, 772 .ops = &kabylake_da7219_fe_ops, 773 SND_SOC_DAILINK_REG(system, dummy, platform), 774 }, 775 776 /* Back End DAI links */ 777 { 778 /* SSP0 - Codec */ 779 .name = "SSP0-Codec", 780 .id = 0, 781 .no_pcm = 1, 782 .dai_fmt = SND_SOC_DAIFMT_DSP_B | 783 SND_SOC_DAIFMT_NB_NF | 784 SND_SOC_DAIFMT_CBS_CFS, 785 .dpcm_playback = 1, 786 .dpcm_capture = 1, 787 .ignore_pmdown_time = 1, 788 .be_hw_params_fixup = kabylake_ssp_fixup, 789 .ops = &kabylake_ssp0_ops, 790 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), 791 }, 792 { 793 /* SSP1 - Codec */ 794 .name = "SSP1-Codec", 795 .id = 1, 796 .no_pcm = 1, 797 .init = kabylake_da7219_codec_init, 798 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 799 SND_SOC_DAIFMT_CBS_CFS, 800 .ignore_pmdown_time = 1, 801 .be_hw_params_fixup = kabylake_ssp_fixup, 802 .dpcm_playback = 1, 803 .dpcm_capture = 1, 804 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform), 805 }, 806 { 807 .name = "dmic01", 808 .id = 2, 809 .init = kabylake_dmic_init, 810 .be_hw_params_fixup = kabylake_dmic_fixup, 811 .ignore_suspend = 1, 812 .dpcm_capture = 1, 813 .no_pcm = 1, 814 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), 815 }, 816 { 817 .name = "iDisp1", 818 .id = 3, 819 .dpcm_playback = 1, 820 .init = kabylake_hdmi1_init, 821 .no_pcm = 1, 822 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 823 }, 824 { 825 .name = "iDisp2", 826 .id = 4, 827 .init = kabylake_hdmi2_init, 828 .dpcm_playback = 1, 829 .no_pcm = 1, 830 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 831 }, 832 { 833 .name = "iDisp3", 834 .id = 5, 835 .init = kabylake_hdmi3_init, 836 .dpcm_playback = 1, 837 .no_pcm = 1, 838 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 839 }, 840 }; 841 842 /* kabylake digital audio interface glue - connects codec <--> CPU */ 843 static struct snd_soc_dai_link kabylake_max98_927_373_dais[] = { 844 /* Front End DAI links */ 845 [KBL_DPCM_AUDIO_PB] = { 846 .name = "Kbl Audio Port", 847 .stream_name = "Audio", 848 .dynamic = 1, 849 .nonatomic = 1, 850 .init = kabylake_da7219_fe_init, 851 .trigger = { 852 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 853 .dpcm_playback = 1, 854 .ops = &kabylake_da7219_fe_ops, 855 SND_SOC_DAILINK_REG(system, dummy, platform), 856 }, 857 [KBL_DPCM_AUDIO_ECHO_REF_CP] = { 858 .name = "Kbl Audio Echo Reference cap", 859 .stream_name = "Echoreference Capture", 860 .init = NULL, 861 .capture_only = 1, 862 .nonatomic = 1, 863 SND_SOC_DAILINK_REG(echoref, dummy, platform), 864 }, 865 [KBL_DPCM_AUDIO_REF_CP] = { 866 .name = "Kbl Audio Reference cap", 867 .stream_name = "Wake on Voice", 868 .init = NULL, 869 .dpcm_capture = 1, 870 .nonatomic = 1, 871 .dynamic = 1, 872 .ops = &skylake_refcap_ops, 873 SND_SOC_DAILINK_REG(reference, dummy, platform), 874 }, 875 [KBL_DPCM_AUDIO_DMIC_CP] = { 876 .name = "Kbl Audio DMIC cap", 877 .stream_name = "dmiccap", 878 .init = NULL, 879 .dpcm_capture = 1, 880 .nonatomic = 1, 881 .dynamic = 1, 882 .ops = &kabylake_dmic_ops, 883 SND_SOC_DAILINK_REG(dmic, dummy, platform), 884 }, 885 [KBL_DPCM_AUDIO_HDMI1_PB] = { 886 .name = "Kbl HDMI Port1", 887 .stream_name = "Hdmi1", 888 .dpcm_playback = 1, 889 .init = NULL, 890 .trigger = { 891 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 892 .nonatomic = 1, 893 .dynamic = 1, 894 SND_SOC_DAILINK_REG(hdmi1, dummy, platform), 895 }, 896 [KBL_DPCM_AUDIO_HDMI2_PB] = { 897 .name = "Kbl HDMI Port2", 898 .stream_name = "Hdmi2", 899 .dpcm_playback = 1, 900 .init = NULL, 901 .trigger = { 902 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 903 .nonatomic = 1, 904 .dynamic = 1, 905 SND_SOC_DAILINK_REG(hdmi2, dummy, platform), 906 }, 907 [KBL_DPCM_AUDIO_HDMI3_PB] = { 908 .name = "Kbl HDMI Port3", 909 .stream_name = "Hdmi3", 910 .trigger = { 911 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 912 .dpcm_playback = 1, 913 .init = NULL, 914 .nonatomic = 1, 915 .dynamic = 1, 916 SND_SOC_DAILINK_REG(hdmi3, dummy, platform), 917 }, 918 919 /* Back End DAI links */ 920 { 921 /* SSP0 - Codec */ 922 .name = "SSP0-Codec", 923 .id = 0, 924 .no_pcm = 1, 925 .dai_fmt = SND_SOC_DAIFMT_DSP_B | 926 SND_SOC_DAIFMT_NB_NF | 927 SND_SOC_DAIFMT_CBS_CFS, 928 .dpcm_playback = 1, 929 .dpcm_capture = 1, 930 .ignore_pmdown_time = 1, 931 .be_hw_params_fixup = kabylake_ssp_fixup, 932 .ops = &kabylake_ssp0_ops, 933 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec), 934 }, 935 { 936 .name = "dmic01", 937 .id = 1, 938 .init = kabylake_dmic_init, 939 .be_hw_params_fixup = kabylake_dmic_fixup, 940 .ignore_suspend = 1, 941 .dpcm_capture = 1, 942 .no_pcm = 1, 943 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), 944 }, 945 { 946 .name = "iDisp1", 947 .id = 2, 948 .dpcm_playback = 1, 949 .init = kabylake_hdmi1_init, 950 .no_pcm = 1, 951 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 952 }, 953 { 954 .name = "iDisp2", 955 .id = 3, 956 .init = kabylake_hdmi2_init, 957 .dpcm_playback = 1, 958 .no_pcm = 1, 959 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 960 }, 961 { 962 .name = "iDisp3", 963 .id = 4, 964 .init = kabylake_hdmi3_init, 965 .dpcm_playback = 1, 966 .no_pcm = 1, 967 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 968 }, 969 }; 970 971 static int kabylake_card_late_probe(struct snd_soc_card *card) 972 { 973 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card); 974 struct kbl_hdmi_pcm *pcm; 975 struct snd_soc_dapm_context *dapm = &card->dapm; 976 struct snd_soc_component *component = NULL; 977 int err, i = 0; 978 char jack_name[NAME_SIZE]; 979 980 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 981 component = pcm->codec_dai->component; 982 snprintf(jack_name, sizeof(jack_name), 983 "HDMI/DP, pcm=%d Jack", pcm->device); 984 err = snd_soc_card_jack_new(card, jack_name, 985 SND_JACK_AVOUT, &kabylake_hdmi[i], 986 NULL, 0); 987 988 if (err) 989 return err; 990 991 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 992 &kabylake_hdmi[i]); 993 if (err < 0) 994 return err; 995 996 i++; 997 } 998 999 if (!component) 1000 return -EINVAL; 1001 1002 1003 err = hdac_hdmi_jack_port_init(component, &card->dapm); 1004 1005 if (err < 0) 1006 return err; 1007 1008 err = snd_soc_dapm_disable_pin(dapm, "Left Spk"); 1009 if (err) { 1010 dev_err(card->dev, "failed to disable Left Spk: %d\n", err); 1011 return err; 1012 } 1013 1014 err = snd_soc_dapm_disable_pin(dapm, "Right Spk"); 1015 if (err) { 1016 dev_err(card->dev, "failed to disable Right Spk: %d\n", err); 1017 return err; 1018 } 1019 1020 return snd_soc_dapm_sync(dapm); 1021 } 1022 1023 /* kabylake audio machine driver for SPT + DA7219 */ 1024 static struct snd_soc_card kbl_audio_card_da7219_m98927 = { 1025 .name = "kblda7219m98927", 1026 .owner = THIS_MODULE, 1027 .dai_link = kabylake_dais, 1028 .num_links = ARRAY_SIZE(kabylake_dais), 1029 .controls = kabylake_controls, 1030 .num_controls = ARRAY_SIZE(kabylake_controls), 1031 .dapm_widgets = kabylake_widgets, 1032 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), 1033 .dapm_routes = kabylake_map, 1034 .num_dapm_routes = ARRAY_SIZE(kabylake_map), 1035 .codec_conf = max98927_codec_conf, 1036 .num_configs = ARRAY_SIZE(max98927_codec_conf), 1037 .fully_routed = true, 1038 .late_probe = kabylake_card_late_probe, 1039 }; 1040 1041 /* kabylake audio machine driver for Maxim98927 */ 1042 static struct snd_soc_card kbl_audio_card_max98927 = { 1043 .name = "kblmax98927", 1044 .owner = THIS_MODULE, 1045 .dai_link = kabylake_max98_927_373_dais, 1046 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais), 1047 .controls = kabylake_controls, 1048 .num_controls = ARRAY_SIZE(kabylake_controls), 1049 .dapm_widgets = kabylake_widgets, 1050 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), 1051 .dapm_routes = kabylake_map, 1052 .num_dapm_routes = ARRAY_SIZE(kabylake_map), 1053 .codec_conf = max98927_codec_conf, 1054 .num_configs = ARRAY_SIZE(max98927_codec_conf), 1055 .fully_routed = true, 1056 .late_probe = kabylake_card_late_probe, 1057 }; 1058 1059 static struct snd_soc_card kbl_audio_card_da7219_m98373 = { 1060 .name = "kblda7219m98373", 1061 .owner = THIS_MODULE, 1062 .dai_link = kabylake_dais, 1063 .num_links = ARRAY_SIZE(kabylake_dais), 1064 .controls = kabylake_controls, 1065 .num_controls = ARRAY_SIZE(kabylake_controls), 1066 .dapm_widgets = kabylake_widgets, 1067 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), 1068 .dapm_routes = kabylake_map, 1069 .num_dapm_routes = ARRAY_SIZE(kabylake_map), 1070 .codec_conf = max98373_codec_conf, 1071 .num_configs = ARRAY_SIZE(max98373_codec_conf), 1072 .fully_routed = true, 1073 .late_probe = kabylake_card_late_probe, 1074 }; 1075 1076 static struct snd_soc_card kbl_audio_card_max98373 = { 1077 .name = "kblmax98373", 1078 .owner = THIS_MODULE, 1079 .dai_link = kabylake_max98_927_373_dais, 1080 .num_links = ARRAY_SIZE(kabylake_max98_927_373_dais), 1081 .controls = kabylake_controls, 1082 .num_controls = ARRAY_SIZE(kabylake_controls), 1083 .dapm_widgets = kabylake_widgets, 1084 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), 1085 .dapm_routes = kabylake_map, 1086 .num_dapm_routes = ARRAY_SIZE(kabylake_map), 1087 .codec_conf = max98373_codec_conf, 1088 .num_configs = ARRAY_SIZE(max98373_codec_conf), 1089 .fully_routed = true, 1090 .late_probe = kabylake_card_late_probe, 1091 }; 1092 1093 static int kabylake_audio_probe(struct platform_device *pdev) 1094 { 1095 struct kbl_codec_private *ctx; 1096 struct snd_soc_dai_link *kbl_dai_link; 1097 struct snd_soc_dai_link_component **codecs; 1098 int i; 1099 1100 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 1101 if (!ctx) 1102 return -ENOMEM; 1103 1104 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 1105 1106 kabylake_audio_card = 1107 (struct snd_soc_card *)pdev->id_entry->driver_data; 1108 1109 kbl_dai_link = kabylake_audio_card->dai_link; 1110 1111 /* Update codecs for SSP0 with max98373 codec info */ 1112 if (!strcmp(pdev->name, "kbl_da7219_max98373") || 1113 (!strcmp(pdev->name, "kbl_max98373"))) { 1114 for (i = 0; i < kabylake_audio_card->num_links; ++i) { 1115 if (strcmp(kbl_dai_link[i].name, "SSP0-Codec")) 1116 continue; 1117 1118 codecs = &(kbl_dai_link[i].codecs); 1119 *codecs = max98373_ssp0_codec_components; 1120 kbl_dai_link[i].num_codecs = 1121 ARRAY_SIZE(max98373_ssp0_codec_components); 1122 break; 1123 } 1124 } 1125 kabylake_audio_card->dev = &pdev->dev; 1126 snd_soc_card_set_drvdata(kabylake_audio_card, ctx); 1127 1128 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card); 1129 } 1130 1131 static const struct platform_device_id kbl_board_ids[] = { 1132 { 1133 .name = "kbl_da7219_max98927", 1134 .driver_data = 1135 (kernel_ulong_t)&kbl_audio_card_da7219_m98927, 1136 }, 1137 { 1138 .name = "kbl_max98927", 1139 .driver_data = 1140 (kernel_ulong_t)&kbl_audio_card_max98927, 1141 }, 1142 { 1143 .name = "kbl_da7219_max98373", 1144 .driver_data = 1145 (kernel_ulong_t)&kbl_audio_card_da7219_m98373, 1146 }, 1147 { 1148 .name = "kbl_max98373", 1149 .driver_data = 1150 (kernel_ulong_t)&kbl_audio_card_max98373, 1151 }, 1152 { } 1153 }; 1154 1155 static struct platform_driver kabylake_audio = { 1156 .probe = kabylake_audio_probe, 1157 .driver = { 1158 .name = "kbl_da7219_max98_927_373", 1159 .pm = &snd_soc_pm_ops, 1160 }, 1161 .id_table = kbl_board_ids, 1162 }; 1163 1164 module_platform_driver(kabylake_audio) 1165 1166 /* Module information */ 1167 MODULE_DESCRIPTION("Audio KabyLake Machine driver for MAX98927/MAX98373 & DA7219"); 1168 MODULE_AUTHOR("Mac Chiang <mac.chiang@intel.com>"); 1169 MODULE_LICENSE("GPL v2"); 1170 MODULE_ALIAS("platform:kbl_da7219_max98927"); 1171 MODULE_ALIAS("platform:kbl_max98927"); 1172 MODULE_ALIAS("platform:kbl_da7219_max98373"); 1173 MODULE_ALIAS("platform:kbl_max98373"); 1174