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_sysclk(codec_dai, 93 DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN); 94 if (ret) 95 dev_err(card->dev, "can't set codec sysclk configuration\n"); 96 97 ret = snd_soc_dai_set_pll(codec_dai, 0, 98 DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304); 99 if (ret) 100 dev_err(card->dev, "failed to start PLL: %d\n", ret); 101 } 102 103 return ret; 104 } 105 106 static const struct snd_kcontrol_new broxton_controls[] = { 107 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 108 SOC_DAPM_PIN_SWITCH("Headset Mic"), 109 SOC_DAPM_PIN_SWITCH("Spk"), 110 }; 111 112 static const struct snd_soc_dapm_widget broxton_widgets[] = { 113 SND_SOC_DAPM_HP("Headphone Jack", NULL), 114 SND_SOC_DAPM_MIC("Headset Mic", NULL), 115 SND_SOC_DAPM_SPK("Spk", NULL), 116 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 117 SND_SOC_DAPM_SPK("HDMI1", NULL), 118 SND_SOC_DAPM_SPK("HDMI2", NULL), 119 SND_SOC_DAPM_SPK("HDMI3", NULL), 120 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 121 platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU), 122 }; 123 124 static const struct snd_soc_dapm_route broxton_map[] = { 125 /* HP jack connectors - unknown if we have jack detection */ 126 {"Headphone Jack", NULL, "HPL"}, 127 {"Headphone Jack", NULL, "HPR"}, 128 129 /* speaker */ 130 {"Spk", NULL, "Speaker"}, 131 132 /* other jacks */ 133 {"MIC", NULL, "Headset Mic"}, 134 135 /* digital mics */ 136 {"DMic", NULL, "SoC DMIC"}, 137 138 /* CODEC BE connections */ 139 {"HiFi Playback", NULL, "ssp5 Tx"}, 140 {"ssp5 Tx", NULL, "codec0_out"}, 141 142 {"Playback", NULL, "ssp1 Tx"}, 143 {"ssp1 Tx", NULL, "codec1_out"}, 144 145 {"codec0_in", NULL, "ssp1 Rx"}, 146 {"ssp1 Rx", NULL, "Capture"}, 147 148 {"HDMI1", NULL, "hif5-0 Output"}, 149 {"HDMI2", NULL, "hif6-0 Output"}, 150 {"HDMI2", NULL, "hif7-0 Output"}, 151 152 {"hifi3", NULL, "iDisp3 Tx"}, 153 {"iDisp3 Tx", NULL, "iDisp3_out"}, 154 {"hifi2", NULL, "iDisp2 Tx"}, 155 {"iDisp2 Tx", NULL, "iDisp2_out"}, 156 {"hifi1", NULL, "iDisp1 Tx"}, 157 {"iDisp1 Tx", NULL, "iDisp1_out"}, 158 159 /* DMIC */ 160 {"dmic01_hifi", NULL, "DMIC01 Rx"}, 161 {"DMIC01 Rx", NULL, "DMIC AIF"}, 162 163 { "Headphone Jack", NULL, "Platform Clock" }, 164 { "Headset Mic", NULL, "Platform Clock" }, 165 }; 166 167 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 168 struct snd_pcm_hw_params *params) 169 { 170 struct snd_interval *rate = hw_param_interval(params, 171 SNDRV_PCM_HW_PARAM_RATE); 172 struct snd_interval *channels = hw_param_interval(params, 173 SNDRV_PCM_HW_PARAM_CHANNELS); 174 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 175 176 /* The ADSP will convert the FE rate to 48k, stereo */ 177 rate->min = rate->max = 48000; 178 channels->min = channels->max = DUAL_CHANNEL; 179 180 /* set SSP to 24 bit */ 181 snd_mask_none(fmt); 182 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); 183 184 return 0; 185 } 186 187 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) 188 { 189 int ret; 190 struct snd_soc_codec *codec = rtd->codec; 191 192 /* 193 * Headset buttons map to the google Reference headset. 194 * These can be configured by userspace. 195 */ 196 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", 197 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 198 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, 199 &broxton_headset, NULL, 0); 200 if (ret) { 201 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); 202 return ret; 203 } 204 205 da7219_aad_jack_det(codec, &broxton_headset); 206 207 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 208 209 return ret; 210 } 211 212 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd) 213 { 214 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 215 struct snd_soc_dai *dai = rtd->codec_dai; 216 struct bxt_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 = BXT_DPCM_AUDIO_HDMI1_PB + dai->id; 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 broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd) 231 { 232 struct snd_soc_dapm_context *dapm; 233 struct snd_soc_component *component = rtd->cpu_dai->component; 234 235 dapm = snd_soc_component_get_dapm(component); 236 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 237 238 return 0; 239 } 240 241 static unsigned int rates[] = { 242 48000, 243 }; 244 245 static struct snd_pcm_hw_constraint_list constraints_rates = { 246 .count = ARRAY_SIZE(rates), 247 .list = rates, 248 .mask = 0, 249 }; 250 251 static unsigned int channels[] = { 252 DUAL_CHANNEL, 253 }; 254 255 static struct snd_pcm_hw_constraint_list constraints_channels = { 256 .count = ARRAY_SIZE(channels), 257 .list = channels, 258 .mask = 0, 259 }; 260 261 static unsigned int channels_quad[] = { 262 QUAD_CHANNEL, 263 }; 264 265 static struct snd_pcm_hw_constraint_list constraints_channels_quad = { 266 .count = ARRAY_SIZE(channels_quad), 267 .list = channels_quad, 268 .mask = 0, 269 }; 270 271 static int bxt_fe_startup(struct snd_pcm_substream *substream) 272 { 273 struct snd_pcm_runtime *runtime = substream->runtime; 274 275 /* 276 * On this platform for PCM device we support, 277 * 48Khz 278 * stereo 279 * 16 bit audio 280 */ 281 282 runtime->hw.channels_max = DUAL_CHANNEL; 283 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 284 &constraints_channels); 285 286 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 287 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 288 289 snd_pcm_hw_constraint_list(runtime, 0, 290 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 291 292 return 0; 293 } 294 295 static const struct snd_soc_ops broxton_da7219_fe_ops = { 296 .startup = bxt_fe_startup, 297 }; 298 299 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 300 struct snd_pcm_hw_params *params) 301 { 302 struct snd_interval *channels = hw_param_interval(params, 303 SNDRV_PCM_HW_PARAM_CHANNELS); 304 if (params_channels(params) == 2) 305 channels->min = channels->max = 2; 306 else 307 channels->min = channels->max = 4; 308 309 return 0; 310 } 311 312 static int broxton_dmic_startup(struct snd_pcm_substream *substream) 313 { 314 struct snd_pcm_runtime *runtime = substream->runtime; 315 316 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL; 317 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 318 &constraints_channels_quad); 319 320 return snd_pcm_hw_constraint_list(substream->runtime, 0, 321 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 322 } 323 324 static const struct snd_soc_ops broxton_dmic_ops = { 325 .startup = broxton_dmic_startup, 326 }; 327 328 static const unsigned int rates_16000[] = { 329 16000, 330 }; 331 332 static const struct snd_pcm_hw_constraint_list constraints_16000 = { 333 .count = ARRAY_SIZE(rates_16000), 334 .list = rates_16000, 335 }; 336 337 static int broxton_refcap_startup(struct snd_pcm_substream *substream) 338 { 339 return snd_pcm_hw_constraint_list(substream->runtime, 0, 340 SNDRV_PCM_HW_PARAM_RATE, 341 &constraints_16000); 342 }; 343 344 static const struct snd_soc_ops broxton_refcap_ops = { 345 .startup = broxton_refcap_startup, 346 }; 347 348 /* broxton digital audio interface glue - connects codec <--> CPU */ 349 static struct snd_soc_dai_link broxton_dais[] = { 350 /* Front End DAI links */ 351 [BXT_DPCM_AUDIO_PB] = 352 { 353 .name = "Bxt Audio Port", 354 .stream_name = "Audio", 355 .cpu_dai_name = "System Pin", 356 .platform_name = "0000:00:0e.0", 357 .dynamic = 1, 358 .codec_name = "snd-soc-dummy", 359 .codec_dai_name = "snd-soc-dummy-dai", 360 .nonatomic = 1, 361 .init = broxton_da7219_fe_init, 362 .trigger = { 363 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 364 .dpcm_playback = 1, 365 .ops = &broxton_da7219_fe_ops, 366 }, 367 [BXT_DPCM_AUDIO_CP] = 368 { 369 .name = "Bxt Audio Capture Port", 370 .stream_name = "Audio Record", 371 .cpu_dai_name = "System Pin", 372 .platform_name = "0000:00:0e.0", 373 .dynamic = 1, 374 .codec_name = "snd-soc-dummy", 375 .codec_dai_name = "snd-soc-dummy-dai", 376 .nonatomic = 1, 377 .trigger = { 378 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 379 .dpcm_capture = 1, 380 .ops = &broxton_da7219_fe_ops, 381 }, 382 [BXT_DPCM_AUDIO_REF_CP] = 383 { 384 .name = "Bxt Audio Reference cap", 385 .stream_name = "Refcap", 386 .cpu_dai_name = "Reference Pin", 387 .codec_name = "snd-soc-dummy", 388 .codec_dai_name = "snd-soc-dummy-dai", 389 .platform_name = "0000:00:0e.0", 390 .init = NULL, 391 .dpcm_capture = 1, 392 .nonatomic = 1, 393 .dynamic = 1, 394 .ops = &broxton_refcap_ops, 395 }, 396 [BXT_DPCM_AUDIO_DMIC_CP] = 397 { 398 .name = "Bxt Audio DMIC cap", 399 .stream_name = "dmiccap", 400 .cpu_dai_name = "DMIC Pin", 401 .codec_name = "snd-soc-dummy", 402 .codec_dai_name = "snd-soc-dummy-dai", 403 .platform_name = "0000:00:0e.0", 404 .init = NULL, 405 .dpcm_capture = 1, 406 .nonatomic = 1, 407 .dynamic = 1, 408 .ops = &broxton_dmic_ops, 409 }, 410 [BXT_DPCM_AUDIO_HDMI1_PB] = 411 { 412 .name = "Bxt HDMI Port1", 413 .stream_name = "Hdmi1", 414 .cpu_dai_name = "HDMI1 Pin", 415 .codec_name = "snd-soc-dummy", 416 .codec_dai_name = "snd-soc-dummy-dai", 417 .platform_name = "0000:00:0e.0", 418 .dpcm_playback = 1, 419 .init = NULL, 420 .nonatomic = 1, 421 .dynamic = 1, 422 }, 423 [BXT_DPCM_AUDIO_HDMI2_PB] = 424 { 425 .name = "Bxt HDMI Port2", 426 .stream_name = "Hdmi2", 427 .cpu_dai_name = "HDMI2 Pin", 428 .codec_name = "snd-soc-dummy", 429 .codec_dai_name = "snd-soc-dummy-dai", 430 .platform_name = "0000:00:0e.0", 431 .dpcm_playback = 1, 432 .init = NULL, 433 .nonatomic = 1, 434 .dynamic = 1, 435 }, 436 [BXT_DPCM_AUDIO_HDMI3_PB] = 437 { 438 .name = "Bxt HDMI Port3", 439 .stream_name = "Hdmi3", 440 .cpu_dai_name = "HDMI3 Pin", 441 .codec_name = "snd-soc-dummy", 442 .codec_dai_name = "snd-soc-dummy-dai", 443 .platform_name = "0000:00:0e.0", 444 .dpcm_playback = 1, 445 .init = NULL, 446 .nonatomic = 1, 447 .dynamic = 1, 448 }, 449 /* Back End DAI links */ 450 { 451 /* SSP5 - Codec */ 452 .name = "SSP5-Codec", 453 .id = 0, 454 .cpu_dai_name = "SSP5 Pin", 455 .platform_name = "0000:00:0e.0", 456 .no_pcm = 1, 457 .codec_name = "MX98357A:00", 458 .codec_dai_name = BXT_MAXIM_CODEC_DAI, 459 .dai_fmt = SND_SOC_DAIFMT_I2S | 460 SND_SOC_DAIFMT_NB_NF | 461 SND_SOC_DAIFMT_CBS_CFS, 462 .ignore_pmdown_time = 1, 463 .be_hw_params_fixup = broxton_ssp_fixup, 464 .dpcm_playback = 1, 465 }, 466 { 467 /* SSP1 - Codec */ 468 .name = "SSP1-Codec", 469 .id = 1, 470 .cpu_dai_name = "SSP1 Pin", 471 .platform_name = "0000:00:0e.0", 472 .no_pcm = 1, 473 .codec_name = "i2c-DLGS7219:00", 474 .codec_dai_name = BXT_DIALOG_CODEC_DAI, 475 .init = broxton_da7219_codec_init, 476 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 477 SND_SOC_DAIFMT_CBS_CFS, 478 .ignore_pmdown_time = 1, 479 .be_hw_params_fixup = broxton_ssp_fixup, 480 .dpcm_playback = 1, 481 .dpcm_capture = 1, 482 }, 483 { 484 .name = "dmic01", 485 .id = 2, 486 .cpu_dai_name = "DMIC01 Pin", 487 .codec_name = "dmic-codec", 488 .codec_dai_name = "dmic-hifi", 489 .platform_name = "0000:00:0e.0", 490 .ignore_suspend = 1, 491 .be_hw_params_fixup = broxton_dmic_fixup, 492 .dpcm_capture = 1, 493 .no_pcm = 1, 494 }, 495 { 496 .name = "iDisp1", 497 .id = 3, 498 .cpu_dai_name = "iDisp1 Pin", 499 .codec_name = "ehdaudio0D2", 500 .codec_dai_name = "intel-hdmi-hifi1", 501 .platform_name = "0000:00:0e.0", 502 .init = broxton_hdmi_init, 503 .dpcm_playback = 1, 504 .no_pcm = 1, 505 }, 506 { 507 .name = "iDisp2", 508 .id = 4, 509 .cpu_dai_name = "iDisp2 Pin", 510 .codec_name = "ehdaudio0D2", 511 .codec_dai_name = "intel-hdmi-hifi2", 512 .platform_name = "0000:00:0e.0", 513 .init = broxton_hdmi_init, 514 .dpcm_playback = 1, 515 .no_pcm = 1, 516 }, 517 { 518 .name = "iDisp3", 519 .id = 5, 520 .cpu_dai_name = "iDisp3 Pin", 521 .codec_name = "ehdaudio0D2", 522 .codec_dai_name = "intel-hdmi-hifi3", 523 .platform_name = "0000:00:0e.0", 524 .init = broxton_hdmi_init, 525 .dpcm_playback = 1, 526 .no_pcm = 1, 527 }, 528 }; 529 530 #define NAME_SIZE 32 531 static int bxt_card_late_probe(struct snd_soc_card *card) 532 { 533 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card); 534 struct bxt_hdmi_pcm *pcm; 535 struct snd_soc_codec *codec = NULL; 536 int err, i = 0; 537 char jack_name[NAME_SIZE]; 538 539 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 540 codec = pcm->codec_dai->codec; 541 snprintf(jack_name, sizeof(jack_name), 542 "HDMI/DP, pcm=%d Jack", pcm->device); 543 err = snd_soc_card_jack_new(card, jack_name, 544 SND_JACK_AVOUT, &broxton_hdmi[i], 545 NULL, 0); 546 547 if (err) 548 return err; 549 550 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 551 &broxton_hdmi[i]); 552 if (err < 0) 553 return err; 554 555 i++; 556 } 557 558 if (!codec) 559 return -EINVAL; 560 561 return hdac_hdmi_jack_port_init(codec, &card->dapm); 562 } 563 564 /* broxton audio machine driver for SPT + da7219 */ 565 static struct snd_soc_card broxton_audio_card = { 566 .name = "bxtda7219max", 567 .owner = THIS_MODULE, 568 .dai_link = broxton_dais, 569 .num_links = ARRAY_SIZE(broxton_dais), 570 .controls = broxton_controls, 571 .num_controls = ARRAY_SIZE(broxton_controls), 572 .dapm_widgets = broxton_widgets, 573 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), 574 .dapm_routes = broxton_map, 575 .num_dapm_routes = ARRAY_SIZE(broxton_map), 576 .fully_routed = true, 577 .late_probe = bxt_card_late_probe, 578 }; 579 580 static int broxton_audio_probe(struct platform_device *pdev) 581 { 582 struct bxt_card_private *ctx; 583 584 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); 585 if (!ctx) 586 return -ENOMEM; 587 588 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 589 590 broxton_audio_card.dev = &pdev->dev; 591 snd_soc_card_set_drvdata(&broxton_audio_card, ctx); 592 593 return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card); 594 } 595 596 static struct platform_driver broxton_audio = { 597 .probe = broxton_audio_probe, 598 .driver = { 599 .name = "bxt_da7219_max98357a_i2s", 600 .pm = &snd_soc_pm_ops, 601 }, 602 }; 603 module_platform_driver(broxton_audio) 604 605 /* Module information */ 606 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); 607 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>"); 608 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>"); 609 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); 610 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>"); 611 MODULE_LICENSE("GPL v2"); 612 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s"); 613