1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Intel Broxton-P I2S Machine Driver 4 * 5 * Copyright (C) 2014-2016, Intel Corporation. All rights reserved. 6 * 7 * Modified from: 8 * Intel Skylake I2S Machine driver 9 */ 10 11 #include <linux/module.h> 12 #include <linux/platform_device.h> 13 #include <sound/core.h> 14 #include <sound/pcm.h> 15 #include <sound/soc.h> 16 #include <sound/soc-acpi.h> 17 #include <sound/jack.h> 18 #include <sound/pcm_params.h> 19 #include "../../codecs/hdac_hdmi.h" 20 #include "../../codecs/rt298.h" 21 22 /* Headset jack detection DAPM pins */ 23 static struct snd_soc_jack broxton_headset; 24 static struct snd_soc_jack broxton_hdmi[3]; 25 26 struct bxt_hdmi_pcm { 27 struct list_head head; 28 struct snd_soc_dai *codec_dai; 29 int device; 30 }; 31 32 struct bxt_rt286_private { 33 struct list_head hdmi_pcm_list; 34 }; 35 36 enum { 37 BXT_DPCM_AUDIO_PB = 0, 38 BXT_DPCM_AUDIO_CP, 39 BXT_DPCM_AUDIO_REF_CP, 40 BXT_DPCM_AUDIO_DMIC_CP, 41 BXT_DPCM_AUDIO_HDMI1_PB, 42 BXT_DPCM_AUDIO_HDMI2_PB, 43 BXT_DPCM_AUDIO_HDMI3_PB, 44 }; 45 46 static struct snd_soc_jack_pin broxton_headset_pins[] = { 47 { 48 .pin = "Mic Jack", 49 .mask = SND_JACK_MICROPHONE, 50 }, 51 { 52 .pin = "Headphone Jack", 53 .mask = SND_JACK_HEADPHONE, 54 }, 55 }; 56 57 static const struct snd_kcontrol_new broxton_controls[] = { 58 SOC_DAPM_PIN_SWITCH("Speaker"), 59 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 60 SOC_DAPM_PIN_SWITCH("Mic Jack"), 61 }; 62 63 static const struct snd_soc_dapm_widget broxton_widgets[] = { 64 SND_SOC_DAPM_HP("Headphone Jack", NULL), 65 SND_SOC_DAPM_SPK("Speaker", NULL), 66 SND_SOC_DAPM_MIC("Mic Jack", NULL), 67 SND_SOC_DAPM_MIC("DMIC2", NULL), 68 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 69 SND_SOC_DAPM_SPK("HDMI1", NULL), 70 SND_SOC_DAPM_SPK("HDMI2", NULL), 71 SND_SOC_DAPM_SPK("HDMI3", NULL), 72 }; 73 74 static const struct snd_soc_dapm_route broxton_rt298_map[] = { 75 /* speaker */ 76 {"Speaker", NULL, "SPOR"}, 77 {"Speaker", NULL, "SPOL"}, 78 79 /* HP jack connectors - unknown if we have jack detect */ 80 {"Headphone Jack", NULL, "HPO Pin"}, 81 82 /* other jacks */ 83 {"MIC1", NULL, "Mic Jack"}, 84 85 /* digital mics */ 86 {"DMIC1 Pin", NULL, "DMIC2"}, 87 {"DMic", NULL, "SoC DMIC"}, 88 89 {"HDMI1", NULL, "hif5-0 Output"}, 90 {"HDMI2", NULL, "hif6-0 Output"}, 91 {"HDMI2", NULL, "hif7-0 Output"}, 92 93 /* CODEC BE connections */ 94 { "AIF1 Playback", NULL, "ssp5 Tx"}, 95 { "ssp5 Tx", NULL, "codec0_out"}, 96 { "ssp5 Tx", NULL, "codec1_out"}, 97 98 { "codec0_in", NULL, "ssp5 Rx" }, 99 { "ssp5 Rx", NULL, "AIF1 Capture" }, 100 101 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 102 { "DMIC01 Rx", NULL, "Capture" }, 103 104 { "hifi3", NULL, "iDisp3 Tx"}, 105 { "iDisp3 Tx", NULL, "iDisp3_out"}, 106 { "hifi2", NULL, "iDisp2 Tx"}, 107 { "iDisp2 Tx", NULL, "iDisp2_out"}, 108 { "hifi1", NULL, "iDisp1 Tx"}, 109 { "iDisp1 Tx", NULL, "iDisp1_out"}, 110 }; 111 112 static const struct snd_soc_dapm_route geminilake_rt298_map[] = { 113 /* speaker */ 114 {"Speaker", NULL, "SPOR"}, 115 {"Speaker", NULL, "SPOL"}, 116 117 /* HP jack connectors - unknown if we have jack detect */ 118 {"Headphone Jack", NULL, "HPO Pin"}, 119 120 /* other jacks */ 121 {"MIC1", NULL, "Mic Jack"}, 122 123 /* digital mics */ 124 {"DMIC1 Pin", NULL, "DMIC2"}, 125 {"DMic", NULL, "SoC DMIC"}, 126 127 {"HDMI1", NULL, "hif5-0 Output"}, 128 {"HDMI2", NULL, "hif6-0 Output"}, 129 {"HDMI2", NULL, "hif7-0 Output"}, 130 131 /* CODEC BE connections */ 132 { "AIF1 Playback", NULL, "ssp2 Tx"}, 133 { "ssp2 Tx", NULL, "codec0_out"}, 134 { "ssp2 Tx", NULL, "codec1_out"}, 135 136 { "codec0_in", NULL, "ssp2 Rx" }, 137 { "ssp2 Rx", NULL, "AIF1 Capture" }, 138 139 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 140 { "DMIC01 Rx", NULL, "Capture" }, 141 142 { "dmic_voice", NULL, "DMIC16k Rx" }, 143 { "DMIC16k Rx", NULL, "Capture" }, 144 145 { "hifi3", NULL, "iDisp3 Tx"}, 146 { "iDisp3 Tx", NULL, "iDisp3_out"}, 147 { "hifi2", NULL, "iDisp2 Tx"}, 148 { "iDisp2 Tx", NULL, "iDisp2_out"}, 149 { "hifi1", NULL, "iDisp1 Tx"}, 150 { "iDisp1 Tx", NULL, "iDisp1_out"}, 151 }; 152 153 static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd) 154 { 155 struct snd_soc_dapm_context *dapm; 156 struct snd_soc_component *component = rtd->cpu_dai->component; 157 158 dapm = snd_soc_component_get_dapm(component); 159 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 160 161 return 0; 162 } 163 164 static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd) 165 { 166 struct snd_soc_component *component = rtd->codec_dai->component; 167 int ret = 0; 168 169 ret = snd_soc_card_jack_new(rtd->card, "Headset", 170 SND_JACK_HEADSET | SND_JACK_BTN_0, 171 &broxton_headset, 172 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins)); 173 174 if (ret) 175 return ret; 176 177 rt298_mic_detect(component, &broxton_headset); 178 179 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 180 181 return 0; 182 } 183 184 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd) 185 { 186 struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card); 187 struct snd_soc_dai *dai = rtd->codec_dai; 188 struct bxt_hdmi_pcm *pcm; 189 190 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 191 if (!pcm) 192 return -ENOMEM; 193 194 pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id; 195 pcm->codec_dai = dai; 196 197 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 198 199 return 0; 200 } 201 202 static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd, 203 struct snd_pcm_hw_params *params) 204 { 205 struct snd_interval *rate = hw_param_interval(params, 206 SNDRV_PCM_HW_PARAM_RATE); 207 struct snd_interval *channels = hw_param_interval(params, 208 SNDRV_PCM_HW_PARAM_CHANNELS); 209 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 210 211 /* The ADSP will covert the FE rate to 48k, stereo */ 212 rate->min = rate->max = 48000; 213 channels->min = channels->max = 2; 214 215 /* set SSP5 to 24 bit */ 216 snd_mask_none(fmt); 217 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 218 219 return 0; 220 } 221 222 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream, 223 struct snd_pcm_hw_params *params) 224 { 225 struct snd_soc_pcm_runtime *rtd = substream->private_data; 226 struct snd_soc_dai *codec_dai = rtd->codec_dai; 227 int ret; 228 229 ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL, 230 19200000, SND_SOC_CLOCK_IN); 231 if (ret < 0) { 232 dev_err(rtd->dev, "can't set codec sysclk configuration\n"); 233 return ret; 234 } 235 236 return ret; 237 } 238 239 static const struct snd_soc_ops broxton_rt298_ops = { 240 .hw_params = broxton_rt298_hw_params, 241 }; 242 243 static const unsigned int rates[] = { 244 48000, 245 }; 246 247 static const struct snd_pcm_hw_constraint_list constraints_rates = { 248 .count = ARRAY_SIZE(rates), 249 .list = rates, 250 .mask = 0, 251 }; 252 253 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 254 struct snd_pcm_hw_params *params) 255 { 256 struct snd_interval *channels = hw_param_interval(params, 257 SNDRV_PCM_HW_PARAM_CHANNELS); 258 channels->min = channels->max = 4; 259 260 return 0; 261 } 262 263 static const unsigned int channels_dmic[] = { 264 1, 2, 3, 4, 265 }; 266 267 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = { 268 .count = ARRAY_SIZE(channels_dmic), 269 .list = channels_dmic, 270 .mask = 0, 271 }; 272 273 static int broxton_dmic_startup(struct snd_pcm_substream *substream) 274 { 275 struct snd_pcm_runtime *runtime = substream->runtime; 276 277 runtime->hw.channels_max = 4; 278 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 279 &constraints_dmic_channels); 280 281 return snd_pcm_hw_constraint_list(substream->runtime, 0, 282 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 283 } 284 285 static const struct snd_soc_ops broxton_dmic_ops = { 286 .startup = broxton_dmic_startup, 287 }; 288 289 static const unsigned int channels[] = { 290 2, 291 }; 292 293 static const struct snd_pcm_hw_constraint_list constraints_channels = { 294 .count = ARRAY_SIZE(channels), 295 .list = channels, 296 .mask = 0, 297 }; 298 299 static int bxt_fe_startup(struct snd_pcm_substream *substream) 300 { 301 struct snd_pcm_runtime *runtime = substream->runtime; 302 303 /* 304 * on this platform for PCM device we support: 305 * 48Khz 306 * stereo 307 * 16-bit audio 308 */ 309 310 runtime->hw.channels_max = 2; 311 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 312 &constraints_channels); 313 314 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 315 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 316 snd_pcm_hw_constraint_list(runtime, 0, 317 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 318 319 return 0; 320 } 321 322 static const struct snd_soc_ops broxton_rt286_fe_ops = { 323 .startup = bxt_fe_startup, 324 }; 325 326 SND_SOC_DAILINK_DEF(dummy, 327 DAILINK_COMP_ARRAY(COMP_DUMMY())); 328 329 SND_SOC_DAILINK_DEF(system, 330 DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); 331 332 SND_SOC_DAILINK_DEF(reference, 333 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin"))); 334 335 SND_SOC_DAILINK_DEF(dmic, 336 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin"))); 337 338 SND_SOC_DAILINK_DEF(hdmi1, 339 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin"))); 340 341 SND_SOC_DAILINK_DEF(hdmi2, 342 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin"))); 343 344 SND_SOC_DAILINK_DEF(hdmi3, 345 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin"))); 346 347 SND_SOC_DAILINK_DEF(ssp5_pin, 348 DAILINK_COMP_ARRAY(COMP_CPU("SSP5 Pin"))); 349 SND_SOC_DAILINK_DEF(ssp5_codec, 350 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", 351 "rt298-aif1"))); 352 353 SND_SOC_DAILINK_DEF(dmic_pin, 354 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin"))); 355 356 SND_SOC_DAILINK_DEF(dmic_codec, 357 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", 358 "dmic-hifi"))); 359 360 SND_SOC_DAILINK_DEF(dmic16k, 361 DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin"))); 362 363 SND_SOC_DAILINK_DEF(idisp1_pin, 364 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); 365 SND_SOC_DAILINK_DEF(idisp1_codec, 366 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", 367 "intel-hdmi-hifi1"))); 368 369 SND_SOC_DAILINK_DEF(idisp2_pin, 370 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); 371 SND_SOC_DAILINK_DEF(idisp2_codec, 372 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", 373 "intel-hdmi-hifi2"))); 374 375 SND_SOC_DAILINK_DEF(idisp3_pin, 376 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); 377 SND_SOC_DAILINK_DEF(idisp3_codec, 378 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", 379 "intel-hdmi-hifi3"))); 380 381 SND_SOC_DAILINK_DEF(platform, 382 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:0e.0"))); 383 384 /* broxton digital audio interface glue - connects codec <--> CPU */ 385 static struct snd_soc_dai_link broxton_rt298_dais[] = { 386 /* Front End DAI links */ 387 [BXT_DPCM_AUDIO_PB] = 388 { 389 .name = "Bxt Audio Port", 390 .stream_name = "Audio", 391 .nonatomic = 1, 392 .dynamic = 1, 393 .init = broxton_rt298_fe_init, 394 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 395 .dpcm_playback = 1, 396 .ops = &broxton_rt286_fe_ops, 397 SND_SOC_DAILINK_REG(system, dummy, platform), 398 }, 399 [BXT_DPCM_AUDIO_CP] = 400 { 401 .name = "Bxt Audio Capture Port", 402 .stream_name = "Audio Record", 403 .nonatomic = 1, 404 .dynamic = 1, 405 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 406 .dpcm_capture = 1, 407 .ops = &broxton_rt286_fe_ops, 408 SND_SOC_DAILINK_REG(system, dummy, platform), 409 }, 410 [BXT_DPCM_AUDIO_REF_CP] = 411 { 412 .name = "Bxt Audio Reference cap", 413 .stream_name = "refcap", 414 .init = NULL, 415 .dpcm_capture = 1, 416 .nonatomic = 1, 417 .dynamic = 1, 418 SND_SOC_DAILINK_REG(reference, dummy, platform), 419 }, 420 [BXT_DPCM_AUDIO_DMIC_CP] = 421 { 422 .name = "Bxt Audio DMIC cap", 423 .stream_name = "dmiccap", 424 .init = NULL, 425 .dpcm_capture = 1, 426 .nonatomic = 1, 427 .dynamic = 1, 428 .ops = &broxton_dmic_ops, 429 SND_SOC_DAILINK_REG(dmic, dummy, platform), 430 }, 431 [BXT_DPCM_AUDIO_HDMI1_PB] = 432 { 433 .name = "Bxt HDMI Port1", 434 .stream_name = "Hdmi1", 435 .dpcm_playback = 1, 436 .init = NULL, 437 .nonatomic = 1, 438 .dynamic = 1, 439 SND_SOC_DAILINK_REG(hdmi1, dummy, platform), 440 }, 441 [BXT_DPCM_AUDIO_HDMI2_PB] = 442 { 443 .name = "Bxt HDMI Port2", 444 .stream_name = "Hdmi2", 445 .dpcm_playback = 1, 446 .init = NULL, 447 .nonatomic = 1, 448 .dynamic = 1, 449 SND_SOC_DAILINK_REG(hdmi2, dummy, platform), 450 }, 451 [BXT_DPCM_AUDIO_HDMI3_PB] = 452 { 453 .name = "Bxt HDMI Port3", 454 .stream_name = "Hdmi3", 455 .dpcm_playback = 1, 456 .init = NULL, 457 .nonatomic = 1, 458 .dynamic = 1, 459 SND_SOC_DAILINK_REG(hdmi3, dummy, platform), 460 }, 461 /* Back End DAI links */ 462 { 463 /* SSP5 - Codec */ 464 .name = "SSP5-Codec", 465 .id = 0, 466 .no_pcm = 1, 467 .init = broxton_rt298_codec_init, 468 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | 469 SND_SOC_DAIFMT_CBS_CFS, 470 .ignore_pmdown_time = 1, 471 .be_hw_params_fixup = broxton_ssp5_fixup, 472 .ops = &broxton_rt298_ops, 473 .dpcm_playback = 1, 474 .dpcm_capture = 1, 475 SND_SOC_DAILINK_REG(ssp5_pin, ssp5_codec, platform), 476 }, 477 { 478 .name = "dmic01", 479 .id = 1, 480 .be_hw_params_fixup = broxton_dmic_fixup, 481 .ignore_suspend = 1, 482 .dpcm_capture = 1, 483 .no_pcm = 1, 484 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform), 485 }, 486 { 487 .name = "dmic16k", 488 .id = 2, 489 .be_hw_params_fixup = broxton_dmic_fixup, 490 .ignore_suspend = 1, 491 .dpcm_capture = 1, 492 .no_pcm = 1, 493 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform), 494 }, 495 { 496 .name = "iDisp1", 497 .id = 3, 498 .init = broxton_hdmi_init, 499 .dpcm_playback = 1, 500 .no_pcm = 1, 501 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 502 }, 503 { 504 .name = "iDisp2", 505 .id = 4, 506 .init = broxton_hdmi_init, 507 .dpcm_playback = 1, 508 .no_pcm = 1, 509 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 510 }, 511 { 512 .name = "iDisp3", 513 .id = 5, 514 .init = broxton_hdmi_init, 515 .dpcm_playback = 1, 516 .no_pcm = 1, 517 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 518 }, 519 }; 520 521 #define NAME_SIZE 32 522 static int bxt_card_late_probe(struct snd_soc_card *card) 523 { 524 struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card); 525 struct bxt_hdmi_pcm *pcm; 526 struct snd_soc_component *component = NULL; 527 int err, i = 0; 528 char jack_name[NAME_SIZE]; 529 530 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 531 component = pcm->codec_dai->component; 532 snprintf(jack_name, sizeof(jack_name), 533 "HDMI/DP, pcm=%d Jack", pcm->device); 534 err = snd_soc_card_jack_new(card, jack_name, 535 SND_JACK_AVOUT, &broxton_hdmi[i], 536 NULL, 0); 537 538 if (err) 539 return err; 540 541 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 542 &broxton_hdmi[i]); 543 if (err < 0) 544 return err; 545 546 i++; 547 } 548 549 if (!component) 550 return -EINVAL; 551 552 return hdac_hdmi_jack_port_init(component, &card->dapm); 553 } 554 555 556 /* broxton audio machine driver for SPT + RT298S */ 557 static struct snd_soc_card broxton_rt298 = { 558 .name = "broxton-rt298", 559 .dai_link = broxton_rt298_dais, 560 .num_links = ARRAY_SIZE(broxton_rt298_dais), 561 .controls = broxton_controls, 562 .num_controls = ARRAY_SIZE(broxton_controls), 563 .dapm_widgets = broxton_widgets, 564 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), 565 .dapm_routes = broxton_rt298_map, 566 .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map), 567 .fully_routed = true, 568 .late_probe = bxt_card_late_probe, 569 570 }; 571 572 static struct snd_soc_card geminilake_rt298 = { 573 .name = "geminilake-rt298", 574 .dai_link = broxton_rt298_dais, 575 .num_links = ARRAY_SIZE(broxton_rt298_dais), 576 .controls = broxton_controls, 577 .num_controls = ARRAY_SIZE(broxton_controls), 578 .dapm_widgets = broxton_widgets, 579 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), 580 .dapm_routes = geminilake_rt298_map, 581 .num_dapm_routes = ARRAY_SIZE(geminilake_rt298_map), 582 .fully_routed = true, 583 .late_probe = bxt_card_late_probe, 584 }; 585 586 static int broxton_audio_probe(struct platform_device *pdev) 587 { 588 struct bxt_rt286_private *ctx; 589 struct snd_soc_card *card = 590 (struct snd_soc_card *)pdev->id_entry->driver_data; 591 struct snd_soc_acpi_mach *mach; 592 const char *platform_name; 593 int ret; 594 int i; 595 596 for (i = 0; i < ARRAY_SIZE(broxton_rt298_dais); i++) { 597 if (!strncmp(card->dai_link[i].codecs->name, "i2c-INT343A:00", 598 I2C_NAME_SIZE)) { 599 if (!strncmp(card->name, "broxton-rt298", 600 PLATFORM_NAME_SIZE)) { 601 card->dai_link[i].name = "SSP5-Codec"; 602 card->dai_link[i].cpus->dai_name = "SSP5 Pin"; 603 } else if (!strncmp(card->name, "geminilake-rt298", 604 PLATFORM_NAME_SIZE)) { 605 card->dai_link[i].name = "SSP2-Codec"; 606 card->dai_link[i].cpus->dai_name = "SSP2 Pin"; 607 } 608 } 609 } 610 611 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 612 if (!ctx) 613 return -ENOMEM; 614 615 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 616 617 card->dev = &pdev->dev; 618 snd_soc_card_set_drvdata(card, ctx); 619 620 /* override plaform name, if required */ 621 mach = (&pdev->dev)->platform_data; 622 platform_name = mach->mach_params.platform; 623 624 ret = snd_soc_fixup_dai_links_platform_name(card, 625 platform_name); 626 if (ret) 627 return ret; 628 629 return devm_snd_soc_register_card(&pdev->dev, card); 630 } 631 632 static const struct platform_device_id bxt_board_ids[] = { 633 { .name = "bxt_alc298s_i2s", .driver_data = 634 (unsigned long)&broxton_rt298 }, 635 { .name = "glk_alc298s_i2s", .driver_data = 636 (unsigned long)&geminilake_rt298 }, 637 {} 638 }; 639 640 static struct platform_driver broxton_audio = { 641 .probe = broxton_audio_probe, 642 .driver = { 643 .name = "bxt_alc298s_i2s", 644 .pm = &snd_soc_pm_ops, 645 }, 646 .id_table = bxt_board_ids, 647 }; 648 module_platform_driver(broxton_audio) 649 650 /* Module information */ 651 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>"); 652 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>"); 653 MODULE_DESCRIPTION("Intel SST Audio for Broxton"); 654 MODULE_LICENSE("GPL v2"); 655 MODULE_ALIAS("platform:bxt_alc298s_i2s"); 656 MODULE_ALIAS("platform:glk_alc298s_i2s"); 657