1 /* 2 * Intel Broxton-P I2S Machine Driver 3 * 4 * Copyright (C) 2016, Intel Corporation. All rights reserved. 5 * 6 * Modified from: 7 * Intel Skylake I2S Machine driver 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License version 11 * 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 */ 18 19 #include <linux/module.h> 20 #include <linux/platform_device.h> 21 #include <sound/core.h> 22 #include <sound/jack.h> 23 #include <sound/pcm.h> 24 #include <sound/pcm_params.h> 25 #include <sound/soc.h> 26 #include "../../codecs/hdac_hdmi.h" 27 #include "../../codecs/da7219.h" 28 #include "../../codecs/da7219-aad.h" 29 30 #define BXT_DIALOG_CODEC_DAI "da7219-hifi" 31 #define BXT_MAXIM_CODEC_DAI "HiFi" 32 #define DUAL_CHANNEL 2 33 #define QUAD_CHANNEL 4 34 35 static struct snd_soc_jack broxton_headset; 36 static struct snd_soc_jack broxton_hdmi[3]; 37 38 struct bxt_hdmi_pcm { 39 struct list_head head; 40 struct snd_soc_dai *codec_dai; 41 int device; 42 }; 43 44 struct bxt_card_private { 45 struct list_head hdmi_pcm_list; 46 }; 47 48 enum { 49 BXT_DPCM_AUDIO_PB = 0, 50 BXT_DPCM_AUDIO_CP, 51 BXT_DPCM_AUDIO_REF_CP, 52 BXT_DPCM_AUDIO_DMIC_CP, 53 BXT_DPCM_AUDIO_HDMI1_PB, 54 BXT_DPCM_AUDIO_HDMI2_PB, 55 BXT_DPCM_AUDIO_HDMI3_PB, 56 }; 57 58 static inline struct snd_soc_dai *bxt_get_codec_dai(struct snd_soc_card *card) 59 { 60 struct snd_soc_pcm_runtime *rtd; 61 62 list_for_each_entry(rtd, &card->rtd_list, list) { 63 64 if (!strncmp(rtd->codec_dai->name, BXT_DIALOG_CODEC_DAI, 65 strlen(BXT_DIALOG_CODEC_DAI))) 66 return rtd->codec_dai; 67 } 68 69 return NULL; 70 } 71 72 static int platform_clock_control(struct snd_soc_dapm_widget *w, 73 struct snd_kcontrol *k, int event) 74 { 75 int ret = 0; 76 struct snd_soc_dapm_context *dapm = w->dapm; 77 struct snd_soc_card *card = dapm->card; 78 struct snd_soc_dai *codec_dai; 79 80 codec_dai = bxt_get_codec_dai(card); 81 if (!codec_dai) { 82 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n"); 83 return -EIO; 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, 93 DA7219_SYSCLK_PLL_SRM, 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 broxton_controls[] = { 102 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 103 SOC_DAPM_PIN_SWITCH("Headset Mic"), 104 SOC_DAPM_PIN_SWITCH("Spk"), 105 }; 106 107 static const struct snd_soc_dapm_widget broxton_widgets[] = { 108 SND_SOC_DAPM_HP("Headphone Jack", NULL), 109 SND_SOC_DAPM_MIC("Headset Mic", NULL), 110 SND_SOC_DAPM_SPK("Spk", NULL), 111 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 112 SND_SOC_DAPM_SPK("HDMI1", NULL), 113 SND_SOC_DAPM_SPK("HDMI2", NULL), 114 SND_SOC_DAPM_SPK("HDMI3", NULL), 115 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 116 platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU), 117 }; 118 119 static const struct snd_soc_dapm_route broxton_map[] = { 120 /* HP jack connectors - unknown if we have jack detection */ 121 {"Headphone Jack", NULL, "HPL"}, 122 {"Headphone Jack", NULL, "HPR"}, 123 124 /* speaker */ 125 {"Spk", NULL, "Speaker"}, 126 127 /* other jacks */ 128 {"MIC", NULL, "Headset Mic"}, 129 130 /* digital mics */ 131 {"DMic", NULL, "SoC DMIC"}, 132 133 /* CODEC BE connections */ 134 {"HiFi Playback", NULL, "ssp5 Tx"}, 135 {"ssp5 Tx", NULL, "codec0_out"}, 136 137 {"Playback", NULL, "ssp1 Tx"}, 138 {"ssp1 Tx", NULL, "codec1_out"}, 139 140 {"codec0_in", NULL, "ssp1 Rx"}, 141 {"ssp1 Rx", NULL, "Capture"}, 142 143 {"HDMI1", NULL, "hif5-0 Output"}, 144 {"HDMI2", NULL, "hif6-0 Output"}, 145 {"HDMI2", NULL, "hif7-0 Output"}, 146 147 {"hifi3", NULL, "iDisp3 Tx"}, 148 {"iDisp3 Tx", NULL, "iDisp3_out"}, 149 {"hifi2", NULL, "iDisp2 Tx"}, 150 {"iDisp2 Tx", NULL, "iDisp2_out"}, 151 {"hifi1", NULL, "iDisp1 Tx"}, 152 {"iDisp1 Tx", NULL, "iDisp1_out"}, 153 154 /* DMIC */ 155 {"dmic01_hifi", NULL, "DMIC01 Rx"}, 156 {"DMIC01 Rx", NULL, "DMIC AIF"}, 157 158 { "Headphone Jack", NULL, "Platform Clock" }, 159 { "Headset Mic", NULL, "Platform Clock" }, 160 }; 161 162 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 163 struct snd_pcm_hw_params *params) 164 { 165 struct snd_interval *rate = hw_param_interval(params, 166 SNDRV_PCM_HW_PARAM_RATE); 167 struct snd_interval *channels = hw_param_interval(params, 168 SNDRV_PCM_HW_PARAM_CHANNELS); 169 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 170 171 /* The ADSP will convert the FE rate to 48k, stereo */ 172 rate->min = rate->max = 48000; 173 channels->min = channels->max = DUAL_CHANNEL; 174 175 /* set SSP to 24 bit */ 176 snd_mask_none(fmt); 177 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); 178 179 return 0; 180 } 181 182 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) 183 { 184 int ret; 185 struct snd_soc_dai *codec_dai = rtd->codec_dai; 186 struct snd_soc_codec *codec = rtd->codec; 187 188 /* Configure sysclk for codec */ 189 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 19200000, 190 SND_SOC_CLOCK_IN); 191 if (ret) { 192 dev_err(rtd->dev, "can't set codec sysclk configuration\n"); 193 return ret; 194 } 195 196 /* 197 * Headset buttons map to the google Reference headset. 198 * These can be configured by userspace. 199 */ 200 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", 201 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 202 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, 203 &broxton_headset, NULL, 0); 204 if (ret) { 205 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); 206 return ret; 207 } 208 209 da7219_aad_jack_det(codec, &broxton_headset); 210 211 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 212 213 return ret; 214 } 215 216 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd) 217 { 218 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 219 struct snd_soc_dai *dai = rtd->codec_dai; 220 struct bxt_hdmi_pcm *pcm; 221 222 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 223 if (!pcm) 224 return -ENOMEM; 225 226 pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id; 227 pcm->codec_dai = dai; 228 229 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 230 231 return 0; 232 } 233 234 static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd) 235 { 236 struct snd_soc_dapm_context *dapm; 237 struct snd_soc_component *component = rtd->cpu_dai->component; 238 239 dapm = snd_soc_component_get_dapm(component); 240 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 241 242 return 0; 243 } 244 245 static const unsigned int rates[] = { 246 48000, 247 }; 248 249 static const struct snd_pcm_hw_constraint_list constraints_rates = { 250 .count = ARRAY_SIZE(rates), 251 .list = rates, 252 .mask = 0, 253 }; 254 255 static const unsigned int channels[] = { 256 DUAL_CHANNEL, 257 }; 258 259 static const struct snd_pcm_hw_constraint_list constraints_channels = { 260 .count = ARRAY_SIZE(channels), 261 .list = channels, 262 .mask = 0, 263 }; 264 265 static const unsigned int channels_quad[] = { 266 QUAD_CHANNEL, 267 }; 268 269 static const struct snd_pcm_hw_constraint_list constraints_channels_quad = { 270 .count = ARRAY_SIZE(channels_quad), 271 .list = channels_quad, 272 .mask = 0, 273 }; 274 275 static int bxt_fe_startup(struct snd_pcm_substream *substream) 276 { 277 struct snd_pcm_runtime *runtime = substream->runtime; 278 279 /* 280 * On this platform for PCM device we support, 281 * 48Khz 282 * stereo 283 * 16 bit audio 284 */ 285 286 runtime->hw.channels_max = DUAL_CHANNEL; 287 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 288 &constraints_channels); 289 290 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 291 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 292 293 snd_pcm_hw_constraint_list(runtime, 0, 294 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 295 296 return 0; 297 } 298 299 static const struct snd_soc_ops broxton_da7219_fe_ops = { 300 .startup = bxt_fe_startup, 301 }; 302 303 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 304 struct snd_pcm_hw_params *params) 305 { 306 struct snd_interval *channels = hw_param_interval(params, 307 SNDRV_PCM_HW_PARAM_CHANNELS); 308 if (params_channels(params) == 2) 309 channels->min = channels->max = 2; 310 else 311 channels->min = channels->max = 4; 312 313 return 0; 314 } 315 316 static int broxton_dmic_startup(struct snd_pcm_substream *substream) 317 { 318 struct snd_pcm_runtime *runtime = substream->runtime; 319 320 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL; 321 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 322 &constraints_channels_quad); 323 324 return snd_pcm_hw_constraint_list(substream->runtime, 0, 325 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 326 } 327 328 static const struct snd_soc_ops broxton_dmic_ops = { 329 .startup = broxton_dmic_startup, 330 }; 331 332 static const unsigned int rates_16000[] = { 333 16000, 334 }; 335 336 static const struct snd_pcm_hw_constraint_list constraints_16000 = { 337 .count = ARRAY_SIZE(rates_16000), 338 .list = rates_16000, 339 }; 340 341 static int broxton_refcap_startup(struct snd_pcm_substream *substream) 342 { 343 return snd_pcm_hw_constraint_list(substream->runtime, 0, 344 SNDRV_PCM_HW_PARAM_RATE, 345 &constraints_16000); 346 }; 347 348 static const struct snd_soc_ops broxton_refcap_ops = { 349 .startup = broxton_refcap_startup, 350 }; 351 352 /* broxton digital audio interface glue - connects codec <--> CPU */ 353 static struct snd_soc_dai_link broxton_dais[] = { 354 /* Front End DAI links */ 355 [BXT_DPCM_AUDIO_PB] = 356 { 357 .name = "Bxt Audio Port", 358 .stream_name = "Audio", 359 .cpu_dai_name = "System Pin", 360 .platform_name = "0000:00:0e.0", 361 .dynamic = 1, 362 .codec_name = "snd-soc-dummy", 363 .codec_dai_name = "snd-soc-dummy-dai", 364 .nonatomic = 1, 365 .init = broxton_da7219_fe_init, 366 .trigger = { 367 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 368 .dpcm_playback = 1, 369 .ops = &broxton_da7219_fe_ops, 370 }, 371 [BXT_DPCM_AUDIO_CP] = 372 { 373 .name = "Bxt Audio Capture Port", 374 .stream_name = "Audio Record", 375 .cpu_dai_name = "System Pin", 376 .platform_name = "0000:00:0e.0", 377 .dynamic = 1, 378 .codec_name = "snd-soc-dummy", 379 .codec_dai_name = "snd-soc-dummy-dai", 380 .nonatomic = 1, 381 .trigger = { 382 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 383 .dpcm_capture = 1, 384 .ops = &broxton_da7219_fe_ops, 385 }, 386 [BXT_DPCM_AUDIO_REF_CP] = 387 { 388 .name = "Bxt Audio Reference cap", 389 .stream_name = "Refcap", 390 .cpu_dai_name = "Reference Pin", 391 .codec_name = "snd-soc-dummy", 392 .codec_dai_name = "snd-soc-dummy-dai", 393 .platform_name = "0000:00:0e.0", 394 .init = NULL, 395 .dpcm_capture = 1, 396 .nonatomic = 1, 397 .dynamic = 1, 398 .ops = &broxton_refcap_ops, 399 }, 400 [BXT_DPCM_AUDIO_DMIC_CP] = 401 { 402 .name = "Bxt Audio DMIC cap", 403 .stream_name = "dmiccap", 404 .cpu_dai_name = "DMIC Pin", 405 .codec_name = "snd-soc-dummy", 406 .codec_dai_name = "snd-soc-dummy-dai", 407 .platform_name = "0000:00:0e.0", 408 .init = NULL, 409 .dpcm_capture = 1, 410 .nonatomic = 1, 411 .dynamic = 1, 412 .ops = &broxton_dmic_ops, 413 }, 414 [BXT_DPCM_AUDIO_HDMI1_PB] = 415 { 416 .name = "Bxt HDMI Port1", 417 .stream_name = "Hdmi1", 418 .cpu_dai_name = "HDMI1 Pin", 419 .codec_name = "snd-soc-dummy", 420 .codec_dai_name = "snd-soc-dummy-dai", 421 .platform_name = "0000:00:0e.0", 422 .dpcm_playback = 1, 423 .init = NULL, 424 .nonatomic = 1, 425 .dynamic = 1, 426 }, 427 [BXT_DPCM_AUDIO_HDMI2_PB] = 428 { 429 .name = "Bxt HDMI Port2", 430 .stream_name = "Hdmi2", 431 .cpu_dai_name = "HDMI2 Pin", 432 .codec_name = "snd-soc-dummy", 433 .codec_dai_name = "snd-soc-dummy-dai", 434 .platform_name = "0000:00:0e.0", 435 .dpcm_playback = 1, 436 .init = NULL, 437 .nonatomic = 1, 438 .dynamic = 1, 439 }, 440 [BXT_DPCM_AUDIO_HDMI3_PB] = 441 { 442 .name = "Bxt HDMI Port3", 443 .stream_name = "Hdmi3", 444 .cpu_dai_name = "HDMI3 Pin", 445 .codec_name = "snd-soc-dummy", 446 .codec_dai_name = "snd-soc-dummy-dai", 447 .platform_name = "0000:00:0e.0", 448 .dpcm_playback = 1, 449 .init = NULL, 450 .nonatomic = 1, 451 .dynamic = 1, 452 }, 453 /* Back End DAI links */ 454 { 455 /* SSP5 - Codec */ 456 .name = "SSP5-Codec", 457 .id = 0, 458 .cpu_dai_name = "SSP5 Pin", 459 .platform_name = "0000:00:0e.0", 460 .no_pcm = 1, 461 .codec_name = "MX98357A:00", 462 .codec_dai_name = BXT_MAXIM_CODEC_DAI, 463 .dai_fmt = SND_SOC_DAIFMT_I2S | 464 SND_SOC_DAIFMT_NB_NF | 465 SND_SOC_DAIFMT_CBS_CFS, 466 .ignore_pmdown_time = 1, 467 .be_hw_params_fixup = broxton_ssp_fixup, 468 .dpcm_playback = 1, 469 }, 470 { 471 /* SSP1 - Codec */ 472 .name = "SSP1-Codec", 473 .id = 1, 474 .cpu_dai_name = "SSP1 Pin", 475 .platform_name = "0000:00:0e.0", 476 .no_pcm = 1, 477 .codec_name = "i2c-DLGS7219:00", 478 .codec_dai_name = BXT_DIALOG_CODEC_DAI, 479 .init = broxton_da7219_codec_init, 480 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 481 SND_SOC_DAIFMT_CBS_CFS, 482 .ignore_pmdown_time = 1, 483 .be_hw_params_fixup = broxton_ssp_fixup, 484 .dpcm_playback = 1, 485 .dpcm_capture = 1, 486 }, 487 { 488 .name = "dmic01", 489 .id = 2, 490 .cpu_dai_name = "DMIC01 Pin", 491 .codec_name = "dmic-codec", 492 .codec_dai_name = "dmic-hifi", 493 .platform_name = "0000:00:0e.0", 494 .ignore_suspend = 1, 495 .be_hw_params_fixup = broxton_dmic_fixup, 496 .dpcm_capture = 1, 497 .no_pcm = 1, 498 }, 499 { 500 .name = "iDisp1", 501 .id = 3, 502 .cpu_dai_name = "iDisp1 Pin", 503 .codec_name = "ehdaudio0D2", 504 .codec_dai_name = "intel-hdmi-hifi1", 505 .platform_name = "0000:00:0e.0", 506 .init = broxton_hdmi_init, 507 .dpcm_playback = 1, 508 .no_pcm = 1, 509 }, 510 { 511 .name = "iDisp2", 512 .id = 4, 513 .cpu_dai_name = "iDisp2 Pin", 514 .codec_name = "ehdaudio0D2", 515 .codec_dai_name = "intel-hdmi-hifi2", 516 .platform_name = "0000:00:0e.0", 517 .init = broxton_hdmi_init, 518 .dpcm_playback = 1, 519 .no_pcm = 1, 520 }, 521 { 522 .name = "iDisp3", 523 .id = 5, 524 .cpu_dai_name = "iDisp3 Pin", 525 .codec_name = "ehdaudio0D2", 526 .codec_dai_name = "intel-hdmi-hifi3", 527 .platform_name = "0000:00:0e.0", 528 .init = broxton_hdmi_init, 529 .dpcm_playback = 1, 530 .no_pcm = 1, 531 }, 532 }; 533 534 #define NAME_SIZE 32 535 static int bxt_card_late_probe(struct snd_soc_card *card) 536 { 537 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card); 538 struct bxt_hdmi_pcm *pcm; 539 struct snd_soc_codec *codec = NULL; 540 int err, i = 0; 541 char jack_name[NAME_SIZE]; 542 543 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 544 codec = pcm->codec_dai->codec; 545 snprintf(jack_name, sizeof(jack_name), 546 "HDMI/DP, pcm=%d Jack", pcm->device); 547 err = snd_soc_card_jack_new(card, jack_name, 548 SND_JACK_AVOUT, &broxton_hdmi[i], 549 NULL, 0); 550 551 if (err) 552 return err; 553 554 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 555 &broxton_hdmi[i]); 556 if (err < 0) 557 return err; 558 559 i++; 560 } 561 562 if (!codec) 563 return -EINVAL; 564 565 return hdac_hdmi_jack_port_init(codec, &card->dapm); 566 } 567 568 /* broxton audio machine driver for SPT + da7219 */ 569 static struct snd_soc_card broxton_audio_card = { 570 .name = "bxtda7219max", 571 .owner = THIS_MODULE, 572 .dai_link = broxton_dais, 573 .num_links = ARRAY_SIZE(broxton_dais), 574 .controls = broxton_controls, 575 .num_controls = ARRAY_SIZE(broxton_controls), 576 .dapm_widgets = broxton_widgets, 577 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), 578 .dapm_routes = broxton_map, 579 .num_dapm_routes = ARRAY_SIZE(broxton_map), 580 .fully_routed = true, 581 .late_probe = bxt_card_late_probe, 582 }; 583 584 static int broxton_audio_probe(struct platform_device *pdev) 585 { 586 struct bxt_card_private *ctx; 587 588 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); 589 if (!ctx) 590 return -ENOMEM; 591 592 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 593 594 broxton_audio_card.dev = &pdev->dev; 595 snd_soc_card_set_drvdata(&broxton_audio_card, ctx); 596 597 return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card); 598 } 599 600 static struct platform_driver broxton_audio = { 601 .probe = broxton_audio_probe, 602 .driver = { 603 .name = "bxt_da7219_max98357a_i2s", 604 .pm = &snd_soc_pm_ops, 605 }, 606 }; 607 module_platform_driver(broxton_audio) 608 609 /* Module information */ 610 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); 611 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>"); 612 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>"); 613 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); 614 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>"); 615 MODULE_LICENSE("GPL v2"); 616 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s"); 617