1 /* 2 * Intel Kabylake I2S Machine Driver with MAXIM98927 3 * RT5514 and RT5663 Codecs 4 * 5 * Copyright (C) 2017, Intel Corporation. All rights reserved. 6 * 7 * Modified from: 8 * Intel Kabylake I2S Machine driver supporting MAXIM98927 and 9 * RT5663 codecs 10 * 11 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU General Public License version 13 * 2 as published by the Free Software Foundation. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 */ 20 21 #include <linux/module.h> 22 #include <linux/platform_device.h> 23 #include <sound/core.h> 24 #include <sound/jack.h> 25 #include <sound/pcm.h> 26 #include <sound/pcm_params.h> 27 #include <sound/soc.h> 28 #include "../../codecs/rt5514.h" 29 #include "../../codecs/rt5663.h" 30 #include "../../codecs/hdac_hdmi.h" 31 #include "../skylake/skl.h" 32 33 #define KBL_REALTEK_CODEC_DAI "rt5663-aif" 34 #define KBL_REALTEK_DMIC_CODEC_DAI "rt5514-aif1" 35 #define KBL_MAXIM_CODEC_DAI "max98927-aif1" 36 #define MAXIM_DEV0_NAME "i2c-MX98927:00" 37 #define MAXIM_DEV1_NAME "i2c-MX98927:01" 38 #define RT5514_DEV_NAME "i2c-10EC5514:00" 39 #define RT5663_DEV_NAME "i2c-10EC5663:00" 40 #define RT5514_AIF1_BCLK_FREQ (48000 * 8 * 16) 41 #define RT5514_AIF1_SYSCLK_FREQ 12288000 42 #define NAME_SIZE 32 43 44 #define DMIC_CH(p) p->list[p->count-1] 45 46 47 static struct snd_soc_card kabylake_audio_card; 48 static const struct snd_pcm_hw_constraint_list *dmic_constraints; 49 50 struct kbl_hdmi_pcm { 51 struct list_head head; 52 struct snd_soc_dai *codec_dai; 53 int device; 54 }; 55 56 struct kbl_codec_private { 57 struct snd_soc_jack kabylake_headset; 58 struct list_head hdmi_pcm_list; 59 struct snd_soc_jack kabylake_hdmi[2]; 60 }; 61 62 enum { 63 KBL_DPCM_AUDIO_PB = 0, 64 KBL_DPCM_AUDIO_CP, 65 KBL_DPCM_AUDIO_DMIC_CP, 66 KBL_DPCM_AUDIO_HDMI1_PB, 67 KBL_DPCM_AUDIO_HDMI2_PB, 68 }; 69 70 static const struct snd_kcontrol_new kabylake_controls[] = { 71 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 72 SOC_DAPM_PIN_SWITCH("Headset Mic"), 73 SOC_DAPM_PIN_SWITCH("Left Spk"), 74 SOC_DAPM_PIN_SWITCH("Right Spk"), 75 SOC_DAPM_PIN_SWITCH("DMIC"), 76 }; 77 78 static const struct snd_soc_dapm_widget kabylake_widgets[] = { 79 SND_SOC_DAPM_HP("Headphone Jack", NULL), 80 SND_SOC_DAPM_MIC("Headset Mic", NULL), 81 SND_SOC_DAPM_SPK("Left Spk", NULL), 82 SND_SOC_DAPM_SPK("Right Spk", NULL), 83 SND_SOC_DAPM_MIC("DMIC", NULL), 84 SND_SOC_DAPM_SPK("DP", NULL), 85 SND_SOC_DAPM_SPK("HDMI", NULL), 86 87 }; 88 89 static const struct snd_soc_dapm_route kabylake_map[] = { 90 /* Headphones */ 91 { "Headphone Jack", NULL, "HPOL" }, 92 { "Headphone Jack", NULL, "HPOR" }, 93 94 /* speaker */ 95 { "Left Spk", NULL, "Left BE_OUT" }, 96 { "Right Spk", NULL, "Right BE_OUT" }, 97 98 /* other jacks */ 99 { "IN1P", NULL, "Headset Mic" }, 100 { "IN1N", NULL, "Headset Mic" }, 101 102 { "HDMI", NULL, "hif5 Output" }, 103 { "DP", NULL, "hif6 Output" }, 104 105 /* CODEC BE connections */ 106 { "Left HiFi Playback", NULL, "ssp0 Tx" }, 107 { "Right HiFi Playback", NULL, "ssp0 Tx" }, 108 { "ssp0 Tx", NULL, "codec0_out" }, 109 110 { "AIF Playback", NULL, "ssp1 Tx" }, 111 { "ssp1 Tx", NULL, "codec1_out" }, 112 113 { "codec0_in", NULL, "ssp1 Rx" }, 114 { "ssp1 Rx", NULL, "AIF Capture" }, 115 116 { "codec1_in", NULL, "ssp0 Rx" }, 117 { "ssp0 Rx", NULL, "AIF1 Capture" }, 118 119 /* DMIC */ 120 { "DMIC1L", NULL, "DMIC" }, 121 { "DMIC1R", NULL, "DMIC" }, 122 { "DMIC2L", NULL, "DMIC" }, 123 { "DMIC2R", NULL, "DMIC" }, 124 125 { "hifi2", NULL, "iDisp2 Tx" }, 126 { "iDisp2 Tx", NULL, "iDisp2_out" }, 127 { "hifi1", NULL, "iDisp1 Tx" }, 128 { "iDisp1 Tx", NULL, "iDisp1_out" }, 129 }; 130 131 static struct snd_soc_codec_conf max98927_codec_conf[] = { 132 { 133 .dev_name = MAXIM_DEV0_NAME, 134 .name_prefix = "Right", 135 }, 136 { 137 .dev_name = MAXIM_DEV1_NAME, 138 .name_prefix = "Left", 139 }, 140 }; 141 142 static struct snd_soc_dai_link_component ssp0_codec_components[] = { 143 { /* Left */ 144 .name = MAXIM_DEV0_NAME, 145 .dai_name = KBL_MAXIM_CODEC_DAI, 146 }, 147 { /* Right */ 148 .name = MAXIM_DEV1_NAME, 149 .dai_name = KBL_MAXIM_CODEC_DAI, 150 }, 151 { /*dmic */ 152 .name = RT5514_DEV_NAME, 153 .dai_name = KBL_REALTEK_DMIC_CODEC_DAI, 154 }, 155 }; 156 157 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd) 158 { 159 struct snd_soc_dapm_context *dapm; 160 struct snd_soc_component *component = rtd->cpu_dai->component; 161 int ret; 162 163 dapm = snd_soc_component_get_dapm(component); 164 ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 165 if (ret) 166 dev_err(rtd->dev, "Ref Cap -Ignore suspend failed = %d\n", ret); 167 168 return ret; 169 } 170 171 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd) 172 { 173 int ret; 174 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 175 struct snd_soc_codec *codec = rtd->codec; 176 177 /* 178 * Headset buttons map to the google Reference headset. 179 * These can be configured by userspace. 180 */ 181 ret = snd_soc_card_jack_new(&kabylake_audio_card, "Headset Jack", 182 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 183 SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset, 184 NULL, 0); 185 if (ret) { 186 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); 187 return ret; 188 } 189 190 rt5663_set_jack_detect(codec, &ctx->kabylake_headset); 191 192 ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "DMIC"); 193 if (ret) 194 dev_err(rtd->dev, "DMIC - Ignore suspend failed = %d\n", ret); 195 196 return ret; 197 } 198 199 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device) 200 { 201 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 202 struct snd_soc_dai *dai = rtd->codec_dai; 203 struct kbl_hdmi_pcm *pcm; 204 205 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 206 if (!pcm) 207 return -ENOMEM; 208 209 pcm->device = device; 210 pcm->codec_dai = dai; 211 212 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 213 214 return 0; 215 } 216 217 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) 218 { 219 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB); 220 } 221 222 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) 223 { 224 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB); 225 } 226 227 static const unsigned int rates[] = { 228 48000, 229 }; 230 231 static const struct snd_pcm_hw_constraint_list constraints_rates = { 232 .count = ARRAY_SIZE(rates), 233 .list = rates, 234 .mask = 0, 235 }; 236 237 static const unsigned int channels[] = { 238 2, 239 }; 240 241 static const struct snd_pcm_hw_constraint_list constraints_channels = { 242 .count = ARRAY_SIZE(channels), 243 .list = channels, 244 .mask = 0, 245 }; 246 247 static int kbl_fe_startup(struct snd_pcm_substream *substream) 248 { 249 struct snd_pcm_runtime *runtime = substream->runtime; 250 251 /* 252 * On this platform for PCM device we support, 253 * 48Khz 254 * stereo 255 * 16 bit audio 256 */ 257 258 runtime->hw.channels_max = 2; 259 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 260 &constraints_channels); 261 262 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 263 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 264 265 snd_pcm_hw_constraint_list(runtime, 0, 266 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 267 268 return 0; 269 } 270 271 static const struct snd_soc_ops kabylake_rt5663_fe_ops = { 272 .startup = kbl_fe_startup, 273 }; 274 275 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 276 struct snd_pcm_hw_params *params) 277 { 278 struct snd_interval *rate = hw_param_interval(params, 279 SNDRV_PCM_HW_PARAM_RATE); 280 struct snd_interval *channels = hw_param_interval(params, 281 SNDRV_PCM_HW_PARAM_CHANNELS); 282 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 283 struct snd_soc_dpcm *dpcm = container_of( 284 params, struct snd_soc_dpcm, hw_params); 285 struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link; 286 struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link; 287 288 /* 289 * The ADSP will convert the FE rate to 48k, stereo, 24 bit 290 */ 291 if (!strcmp(fe_dai_link->name, "Kbl Audio Port") || 292 !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) { 293 rate->min = rate->max = 48000; 294 channels->min = channels->max = 2; 295 snd_mask_none(fmt); 296 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); 297 } else if (!strcmp(fe_dai_link->name, "Kbl Audio DMIC cap")) { 298 if (params_channels(params) == 2 || 299 DMIC_CH(dmic_constraints) == 2) 300 channels->min = channels->max = 2; 301 else 302 channels->min = channels->max = 4; 303 } 304 /* 305 * The speaker on the SSP0 supports S16_LE and not S24_LE. 306 * thus changing the mask here 307 */ 308 if (!strcmp(be_dai_link->name, "SSP0-Codec")) 309 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S16_LE); 310 311 return 0; 312 } 313 314 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream, 315 struct snd_pcm_hw_params *params) 316 { 317 struct snd_soc_pcm_runtime *rtd = substream->private_data; 318 struct snd_soc_dai *codec_dai = rtd->codec_dai; 319 int ret; 320 321 /* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */ 322 rt5663_sel_asrc_clk_src(codec_dai->codec, RT5663_DA_STEREO_FILTER, 1); 323 324 ret = snd_soc_dai_set_sysclk(codec_dai, 325 RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN); 326 if (ret < 0) 327 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); 328 329 return ret; 330 } 331 332 static struct snd_soc_ops kabylake_rt5663_ops = { 333 .hw_params = kabylake_rt5663_hw_params, 334 }; 335 336 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream, 337 struct snd_pcm_hw_params *params) 338 { 339 struct snd_soc_pcm_runtime *rtd = substream->private_data; 340 int ret = 0, j; 341 342 for (j = 0; j < rtd->num_codecs; j++) { 343 struct snd_soc_dai *codec_dai = rtd->codec_dais[j]; 344 345 if (!strcmp(codec_dai->component->name, RT5514_DEV_NAME)) { 346 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16); 347 if (ret < 0) { 348 dev_err(rtd->dev, "set TDM slot err:%d\n", ret); 349 return ret; 350 } 351 352 ret = snd_soc_dai_set_pll(codec_dai, 0, 353 RT5514_PLL1_S_BCLK, RT5514_AIF1_BCLK_FREQ, 354 RT5514_AIF1_SYSCLK_FREQ); 355 if (ret < 0) { 356 dev_err(rtd->dev, "set bclk err: %d\n", ret); 357 return ret; 358 } 359 360 ret = snd_soc_dai_set_sysclk(codec_dai, 361 RT5514_SCLK_S_PLL1, RT5514_AIF1_SYSCLK_FREQ, 362 SND_SOC_CLOCK_IN); 363 if (ret < 0) { 364 dev_err(rtd->dev, "set sclk err: %d\n", ret); 365 return ret; 366 } 367 } 368 if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME) || 369 !strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) { 370 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF0, 3, 8, 16); 371 if (ret < 0) { 372 dev_err(rtd->dev, "set TDM slot err:%d\n", ret); 373 return ret; 374 } 375 } 376 } 377 return ret; 378 } 379 380 static struct snd_soc_ops kabylake_ssp0_ops = { 381 .hw_params = kabylake_ssp0_hw_params, 382 }; 383 384 static const unsigned int channels_dmic[] = { 385 4, 386 }; 387 388 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = { 389 .count = ARRAY_SIZE(channels_dmic), 390 .list = channels_dmic, 391 .mask = 0, 392 }; 393 394 static const unsigned int dmic_2ch[] = { 395 4, 396 }; 397 398 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = { 399 .count = ARRAY_SIZE(dmic_2ch), 400 .list = dmic_2ch, 401 .mask = 0, 402 }; 403 404 static int kabylake_dmic_startup(struct snd_pcm_substream *substream) 405 { 406 struct snd_pcm_runtime *runtime = substream->runtime; 407 408 runtime->hw.channels_max = DMIC_CH(dmic_constraints); 409 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 410 dmic_constraints); 411 412 return snd_pcm_hw_constraint_list(substream->runtime, 0, 413 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 414 } 415 416 static struct snd_soc_ops kabylake_dmic_ops = { 417 .startup = kabylake_dmic_startup, 418 }; 419 420 /* kabylake digital audio interface glue - connects codec <--> CPU */ 421 static struct snd_soc_dai_link kabylake_dais[] = { 422 /* Front End DAI links */ 423 [KBL_DPCM_AUDIO_PB] = { 424 .name = "Kbl Audio Port", 425 .stream_name = "Audio", 426 .cpu_dai_name = "System Pin", 427 .platform_name = "0000:00:1f.3", 428 .dynamic = 1, 429 .codec_name = "snd-soc-dummy", 430 .codec_dai_name = "snd-soc-dummy-dai", 431 .nonatomic = 1, 432 .init = kabylake_rt5663_fe_init, 433 .trigger = { 434 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 435 .dpcm_playback = 1, 436 .ops = &kabylake_rt5663_fe_ops, 437 }, 438 [KBL_DPCM_AUDIO_CP] = { 439 .name = "Kbl Audio Capture Port", 440 .stream_name = "Audio Record", 441 .cpu_dai_name = "System Pin", 442 .platform_name = "0000:00:1f.3", 443 .dynamic = 1, 444 .codec_name = "snd-soc-dummy", 445 .codec_dai_name = "snd-soc-dummy-dai", 446 .nonatomic = 1, 447 .trigger = { 448 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 449 .dpcm_capture = 1, 450 .ops = &kabylake_rt5663_fe_ops, 451 }, 452 [KBL_DPCM_AUDIO_DMIC_CP] = { 453 .name = "Kbl Audio DMIC cap", 454 .stream_name = "dmiccap", 455 .cpu_dai_name = "DMIC Pin", 456 .codec_name = "snd-soc-dummy", 457 .codec_dai_name = "snd-soc-dummy-dai", 458 .platform_name = "0000:00:1f.3", 459 .init = NULL, 460 .dpcm_capture = 1, 461 .nonatomic = 1, 462 .dynamic = 1, 463 .ops = &kabylake_dmic_ops, 464 }, 465 [KBL_DPCM_AUDIO_HDMI1_PB] = { 466 .name = "Kbl HDMI Port1", 467 .stream_name = "Hdmi1", 468 .cpu_dai_name = "HDMI1 Pin", 469 .codec_name = "snd-soc-dummy", 470 .codec_dai_name = "snd-soc-dummy-dai", 471 .platform_name = "0000:00:1f.3", 472 .dpcm_playback = 1, 473 .init = NULL, 474 .trigger = { 475 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 476 .nonatomic = 1, 477 .dynamic = 1, 478 }, 479 [KBL_DPCM_AUDIO_HDMI2_PB] = { 480 .name = "Kbl HDMI Port2", 481 .stream_name = "Hdmi2", 482 .cpu_dai_name = "HDMI2 Pin", 483 .codec_name = "snd-soc-dummy", 484 .codec_dai_name = "snd-soc-dummy-dai", 485 .platform_name = "0000:00:1f.3", 486 .dpcm_playback = 1, 487 .init = NULL, 488 .trigger = { 489 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 490 .nonatomic = 1, 491 .dynamic = 1, 492 }, 493 /* Back End DAI links */ 494 /* single Back end dai for both max speakers and dmic */ 495 { 496 /* SSP0 - Codec */ 497 .name = "SSP0-Codec", 498 .id = 0, 499 .cpu_dai_name = "SSP0 Pin", 500 .platform_name = "0000:00:1f.3", 501 .no_pcm = 1, 502 .codecs = ssp0_codec_components, 503 .num_codecs = ARRAY_SIZE(ssp0_codec_components), 504 .dai_fmt = SND_SOC_DAIFMT_DSP_B | 505 SND_SOC_DAIFMT_NB_NF | 506 SND_SOC_DAIFMT_CBS_CFS, 507 .ignore_pmdown_time = 1, 508 .be_hw_params_fixup = kabylake_ssp_fixup, 509 .dpcm_playback = 1, 510 .dpcm_capture = 1, 511 .ops = &kabylake_ssp0_ops, 512 }, 513 { 514 .name = "SSP1-Codec", 515 .id = 1, 516 .cpu_dai_name = "SSP1 Pin", 517 .platform_name = "0000:00:1f.3", 518 .no_pcm = 1, 519 .codec_name = RT5663_DEV_NAME, 520 .codec_dai_name = KBL_REALTEK_CODEC_DAI, 521 .init = kabylake_rt5663_codec_init, 522 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 523 SND_SOC_DAIFMT_CBS_CFS, 524 .ignore_pmdown_time = 1, 525 .be_hw_params_fixup = kabylake_ssp_fixup, 526 .ops = &kabylake_rt5663_ops, 527 .dpcm_playback = 1, 528 .dpcm_capture = 1, 529 }, 530 { 531 .name = "iDisp1", 532 .id = 3, 533 .cpu_dai_name = "iDisp1 Pin", 534 .codec_name = "ehdaudio0D2", 535 .codec_dai_name = "intel-hdmi-hifi1", 536 .platform_name = "0000:00:1f.3", 537 .dpcm_playback = 1, 538 .init = kabylake_hdmi1_init, 539 .no_pcm = 1, 540 }, 541 { 542 .name = "iDisp2", 543 .id = 4, 544 .cpu_dai_name = "iDisp2 Pin", 545 .codec_name = "ehdaudio0D2", 546 .codec_dai_name = "intel-hdmi-hifi2", 547 .platform_name = "0000:00:1f.3", 548 .init = kabylake_hdmi2_init, 549 .dpcm_playback = 1, 550 .no_pcm = 1, 551 }, 552 }; 553 554 static int kabylake_card_late_probe(struct snd_soc_card *card) 555 { 556 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card); 557 struct kbl_hdmi_pcm *pcm; 558 int err, i = 0; 559 char jack_name[NAME_SIZE]; 560 561 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 562 err = snd_soc_card_jack_new(card, jack_name, 563 SND_JACK_AVOUT, &ctx->kabylake_hdmi[i], 564 NULL, 0); 565 566 if (err) 567 return err; 568 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 569 &ctx->kabylake_hdmi[i]); 570 if (err < 0) 571 return err; 572 i++; 573 } 574 575 return 0; 576 } 577 578 /* 579 * kabylake audio machine driver for MAX98927 + RT5514 + RT5663 580 */ 581 static struct snd_soc_card kabylake_audio_card = { 582 .name = "kbl_r5514_5663_max", 583 .owner = THIS_MODULE, 584 .dai_link = kabylake_dais, 585 .num_links = ARRAY_SIZE(kabylake_dais), 586 .controls = kabylake_controls, 587 .num_controls = ARRAY_SIZE(kabylake_controls), 588 .dapm_widgets = kabylake_widgets, 589 .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets), 590 .dapm_routes = kabylake_map, 591 .num_dapm_routes = ARRAY_SIZE(kabylake_map), 592 .codec_conf = max98927_codec_conf, 593 .num_configs = ARRAY_SIZE(max98927_codec_conf), 594 .fully_routed = true, 595 .late_probe = kabylake_card_late_probe, 596 }; 597 598 static int kabylake_audio_probe(struct platform_device *pdev) 599 { 600 struct kbl_codec_private *ctx; 601 struct skl_machine_pdata *pdata; 602 603 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); 604 if (!ctx) 605 return -ENOMEM; 606 607 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 608 609 kabylake_audio_card.dev = &pdev->dev; 610 snd_soc_card_set_drvdata(&kabylake_audio_card, ctx); 611 612 pdata = dev_get_drvdata(&pdev->dev); 613 if (pdata) 614 dmic_constraints = pdata->dmic_num == 2 ? 615 &constraints_dmic_2ch : &constraints_dmic_channels; 616 617 return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card); 618 } 619 620 static const struct platform_device_id kbl_board_ids[] = { 621 { .name = "kbl_r5514_5663_max" }, 622 { } 623 }; 624 625 static struct platform_driver kabylake_audio = { 626 .probe = kabylake_audio_probe, 627 .driver = { 628 .name = "kbl_r5514_5663_max", 629 .pm = &snd_soc_pm_ops, 630 }, 631 .id_table = kbl_board_ids, 632 }; 633 634 module_platform_driver(kabylake_audio) 635 636 /* Module information */ 637 MODULE_DESCRIPTION("Audio Machine driver-RT5663 RT5514 & MAX98927"); 638 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); 639 MODULE_LICENSE("GPL v2"); 640 MODULE_ALIAS("platform:kbl_r5514_5663_max"); 641