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 int platform_clock_control(struct snd_soc_dapm_widget *w, 59 struct snd_kcontrol *k, int event) 60 { 61 int ret = 0; 62 struct snd_soc_dapm_context *dapm = w->dapm; 63 struct snd_soc_card *card = dapm->card; 64 struct snd_soc_dai *codec_dai; 65 66 codec_dai = snd_soc_card_get_codec_dai(card, BXT_DIALOG_CODEC_DAI); 67 if (!codec_dai) { 68 dev_err(card->dev, "Codec dai not found; Unable to set/unset codec pll\n"); 69 return -EIO; 70 } 71 72 if (SND_SOC_DAPM_EVENT_OFF(event)) { 73 ret = snd_soc_dai_set_pll(codec_dai, 0, 74 DA7219_SYSCLK_MCLK, 0, 0); 75 if (ret) 76 dev_err(card->dev, "failed to stop PLL: %d\n", ret); 77 } else if(SND_SOC_DAPM_EVENT_ON(event)) { 78 ret = snd_soc_dai_set_pll(codec_dai, 0, 79 DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304); 80 if (ret) 81 dev_err(card->dev, "failed to start PLL: %d\n", ret); 82 } 83 84 return ret; 85 } 86 87 static const struct snd_kcontrol_new broxton_controls[] = { 88 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 89 SOC_DAPM_PIN_SWITCH("Headset Mic"), 90 SOC_DAPM_PIN_SWITCH("Spk"), 91 }; 92 93 static const struct snd_soc_dapm_widget broxton_widgets[] = { 94 SND_SOC_DAPM_HP("Headphone Jack", NULL), 95 SND_SOC_DAPM_MIC("Headset Mic", NULL), 96 SND_SOC_DAPM_SPK("Spk", NULL), 97 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 98 SND_SOC_DAPM_SPK("HDMI1", NULL), 99 SND_SOC_DAPM_SPK("HDMI2", NULL), 100 SND_SOC_DAPM_SPK("HDMI3", NULL), 101 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 102 platform_clock_control, SND_SOC_DAPM_POST_PMD|SND_SOC_DAPM_PRE_PMU), 103 }; 104 105 static const struct snd_soc_dapm_route broxton_map[] = { 106 /* HP jack connectors - unknown if we have jack detection */ 107 {"Headphone Jack", NULL, "HPL"}, 108 {"Headphone Jack", NULL, "HPR"}, 109 110 /* speaker */ 111 {"Spk", NULL, "Speaker"}, 112 113 /* other jacks */ 114 {"MIC", NULL, "Headset Mic"}, 115 116 /* digital mics */ 117 {"DMic", NULL, "SoC DMIC"}, 118 119 /* CODEC BE connections */ 120 {"HiFi Playback", NULL, "ssp5 Tx"}, 121 {"ssp5 Tx", NULL, "codec0_out"}, 122 123 {"Playback", NULL, "ssp1 Tx"}, 124 {"ssp1 Tx", NULL, "codec1_out"}, 125 126 {"codec0_in", NULL, "ssp1 Rx"}, 127 {"ssp1 Rx", NULL, "Capture"}, 128 129 {"HDMI1", NULL, "hif5-0 Output"}, 130 {"HDMI2", NULL, "hif6-0 Output"}, 131 {"HDMI2", NULL, "hif7-0 Output"}, 132 133 {"hifi3", NULL, "iDisp3 Tx"}, 134 {"iDisp3 Tx", NULL, "iDisp3_out"}, 135 {"hifi2", NULL, "iDisp2 Tx"}, 136 {"iDisp2 Tx", NULL, "iDisp2_out"}, 137 {"hifi1", NULL, "iDisp1 Tx"}, 138 {"iDisp1 Tx", NULL, "iDisp1_out"}, 139 140 /* DMIC */ 141 {"dmic01_hifi", NULL, "DMIC01 Rx"}, 142 {"DMIC01 Rx", NULL, "DMIC AIF"}, 143 144 { "Headphone Jack", NULL, "Platform Clock" }, 145 { "Headset Mic", NULL, "Platform Clock" }, 146 }; 147 148 static int broxton_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 149 struct snd_pcm_hw_params *params) 150 { 151 struct snd_interval *rate = hw_param_interval(params, 152 SNDRV_PCM_HW_PARAM_RATE); 153 struct snd_interval *channels = hw_param_interval(params, 154 SNDRV_PCM_HW_PARAM_CHANNELS); 155 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 156 157 /* The ADSP will convert the FE rate to 48k, stereo */ 158 rate->min = rate->max = 48000; 159 channels->min = channels->max = DUAL_CHANNEL; 160 161 /* set SSP to 24 bit */ 162 snd_mask_none(fmt); 163 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); 164 165 return 0; 166 } 167 168 static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) 169 { 170 int ret; 171 struct snd_soc_dai *codec_dai = rtd->codec_dai; 172 struct snd_soc_codec *codec = rtd->codec; 173 174 /* Configure sysclk for codec */ 175 ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 19200000, 176 SND_SOC_CLOCK_IN); 177 if (ret) { 178 dev_err(rtd->dev, "can't set codec sysclk configuration\n"); 179 return ret; 180 } 181 182 /* 183 * Headset buttons map to the google Reference headset. 184 * These can be configured by userspace. 185 */ 186 ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", 187 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 188 SND_JACK_BTN_2 | SND_JACK_BTN_3 | SND_JACK_LINEOUT, 189 &broxton_headset, NULL, 0); 190 if (ret) { 191 dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); 192 return ret; 193 } 194 195 da7219_aad_jack_det(codec, &broxton_headset); 196 197 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 198 199 return ret; 200 } 201 202 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd) 203 { 204 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(rtd->card); 205 struct snd_soc_dai *dai = rtd->codec_dai; 206 struct bxt_hdmi_pcm *pcm; 207 208 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 209 if (!pcm) 210 return -ENOMEM; 211 212 pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id; 213 pcm->codec_dai = dai; 214 215 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 216 217 return 0; 218 } 219 220 static int broxton_da7219_fe_init(struct snd_soc_pcm_runtime *rtd) 221 { 222 struct snd_soc_dapm_context *dapm; 223 struct snd_soc_component *component = rtd->cpu_dai->component; 224 225 dapm = snd_soc_component_get_dapm(component); 226 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 227 228 return 0; 229 } 230 231 static const unsigned int rates[] = { 232 48000, 233 }; 234 235 static const struct snd_pcm_hw_constraint_list constraints_rates = { 236 .count = ARRAY_SIZE(rates), 237 .list = rates, 238 .mask = 0, 239 }; 240 241 static const unsigned int channels[] = { 242 DUAL_CHANNEL, 243 }; 244 245 static const struct snd_pcm_hw_constraint_list constraints_channels = { 246 .count = ARRAY_SIZE(channels), 247 .list = channels, 248 .mask = 0, 249 }; 250 251 static const unsigned int channels_quad[] = { 252 QUAD_CHANNEL, 253 }; 254 255 static const struct snd_pcm_hw_constraint_list constraints_channels_quad = { 256 .count = ARRAY_SIZE(channels_quad), 257 .list = channels_quad, 258 .mask = 0, 259 }; 260 261 static int bxt_fe_startup(struct snd_pcm_substream *substream) 262 { 263 struct snd_pcm_runtime *runtime = substream->runtime; 264 265 /* 266 * On this platform for PCM device we support, 267 * 48Khz 268 * stereo 269 * 16 bit audio 270 */ 271 272 runtime->hw.channels_max = DUAL_CHANNEL; 273 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 274 &constraints_channels); 275 276 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 277 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 278 279 snd_pcm_hw_constraint_list(runtime, 0, 280 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 281 282 return 0; 283 } 284 285 static const struct snd_soc_ops broxton_da7219_fe_ops = { 286 .startup = bxt_fe_startup, 287 }; 288 289 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 290 struct snd_pcm_hw_params *params) 291 { 292 struct snd_interval *channels = hw_param_interval(params, 293 SNDRV_PCM_HW_PARAM_CHANNELS); 294 if (params_channels(params) == 2) 295 channels->min = channels->max = 2; 296 else 297 channels->min = channels->max = 4; 298 299 return 0; 300 } 301 302 static int broxton_dmic_startup(struct snd_pcm_substream *substream) 303 { 304 struct snd_pcm_runtime *runtime = substream->runtime; 305 306 runtime->hw.channels_min = runtime->hw.channels_max = QUAD_CHANNEL; 307 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 308 &constraints_channels_quad); 309 310 return snd_pcm_hw_constraint_list(substream->runtime, 0, 311 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 312 } 313 314 static const struct snd_soc_ops broxton_dmic_ops = { 315 .startup = broxton_dmic_startup, 316 }; 317 318 static const unsigned int rates_16000[] = { 319 16000, 320 }; 321 322 static const struct snd_pcm_hw_constraint_list constraints_16000 = { 323 .count = ARRAY_SIZE(rates_16000), 324 .list = rates_16000, 325 }; 326 327 static int broxton_refcap_startup(struct snd_pcm_substream *substream) 328 { 329 return snd_pcm_hw_constraint_list(substream->runtime, 0, 330 SNDRV_PCM_HW_PARAM_RATE, 331 &constraints_16000); 332 }; 333 334 static const struct snd_soc_ops broxton_refcap_ops = { 335 .startup = broxton_refcap_startup, 336 }; 337 338 /* broxton digital audio interface glue - connects codec <--> CPU */ 339 static struct snd_soc_dai_link broxton_dais[] = { 340 /* Front End DAI links */ 341 [BXT_DPCM_AUDIO_PB] = 342 { 343 .name = "Bxt Audio Port", 344 .stream_name = "Audio", 345 .cpu_dai_name = "System Pin", 346 .platform_name = "0000:00:0e.0", 347 .dynamic = 1, 348 .codec_name = "snd-soc-dummy", 349 .codec_dai_name = "snd-soc-dummy-dai", 350 .nonatomic = 1, 351 .init = broxton_da7219_fe_init, 352 .trigger = { 353 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 354 .dpcm_playback = 1, 355 .ops = &broxton_da7219_fe_ops, 356 }, 357 [BXT_DPCM_AUDIO_CP] = 358 { 359 .name = "Bxt Audio Capture Port", 360 .stream_name = "Audio Record", 361 .cpu_dai_name = "System Pin", 362 .platform_name = "0000:00:0e.0", 363 .dynamic = 1, 364 .codec_name = "snd-soc-dummy", 365 .codec_dai_name = "snd-soc-dummy-dai", 366 .nonatomic = 1, 367 .trigger = { 368 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 369 .dpcm_capture = 1, 370 .ops = &broxton_da7219_fe_ops, 371 }, 372 [BXT_DPCM_AUDIO_REF_CP] = 373 { 374 .name = "Bxt Audio Reference cap", 375 .stream_name = "Refcap", 376 .cpu_dai_name = "Reference Pin", 377 .codec_name = "snd-soc-dummy", 378 .codec_dai_name = "snd-soc-dummy-dai", 379 .platform_name = "0000:00:0e.0", 380 .init = NULL, 381 .dpcm_capture = 1, 382 .nonatomic = 1, 383 .dynamic = 1, 384 .ops = &broxton_refcap_ops, 385 }, 386 [BXT_DPCM_AUDIO_DMIC_CP] = 387 { 388 .name = "Bxt Audio DMIC cap", 389 .stream_name = "dmiccap", 390 .cpu_dai_name = "DMIC 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_dmic_ops, 399 }, 400 [BXT_DPCM_AUDIO_HDMI1_PB] = 401 { 402 .name = "Bxt HDMI Port1", 403 .stream_name = "Hdmi1", 404 .cpu_dai_name = "HDMI1 Pin", 405 .codec_name = "snd-soc-dummy", 406 .codec_dai_name = "snd-soc-dummy-dai", 407 .platform_name = "0000:00:0e.0", 408 .dpcm_playback = 1, 409 .init = NULL, 410 .nonatomic = 1, 411 .dynamic = 1, 412 }, 413 [BXT_DPCM_AUDIO_HDMI2_PB] = 414 { 415 .name = "Bxt HDMI Port2", 416 .stream_name = "Hdmi2", 417 .cpu_dai_name = "HDMI2 Pin", 418 .codec_name = "snd-soc-dummy", 419 .codec_dai_name = "snd-soc-dummy-dai", 420 .platform_name = "0000:00:0e.0", 421 .dpcm_playback = 1, 422 .init = NULL, 423 .nonatomic = 1, 424 .dynamic = 1, 425 }, 426 [BXT_DPCM_AUDIO_HDMI3_PB] = 427 { 428 .name = "Bxt HDMI Port3", 429 .stream_name = "Hdmi3", 430 .cpu_dai_name = "HDMI3 Pin", 431 .codec_name = "snd-soc-dummy", 432 .codec_dai_name = "snd-soc-dummy-dai", 433 .platform_name = "0000:00:0e.0", 434 .dpcm_playback = 1, 435 .init = NULL, 436 .nonatomic = 1, 437 .dynamic = 1, 438 }, 439 /* Back End DAI links */ 440 { 441 /* SSP5 - Codec */ 442 .name = "SSP5-Codec", 443 .id = 0, 444 .cpu_dai_name = "SSP5 Pin", 445 .platform_name = "0000:00:0e.0", 446 .no_pcm = 1, 447 .codec_name = "MX98357A:00", 448 .codec_dai_name = BXT_MAXIM_CODEC_DAI, 449 .dai_fmt = SND_SOC_DAIFMT_I2S | 450 SND_SOC_DAIFMT_NB_NF | 451 SND_SOC_DAIFMT_CBS_CFS, 452 .ignore_pmdown_time = 1, 453 .be_hw_params_fixup = broxton_ssp_fixup, 454 .dpcm_playback = 1, 455 }, 456 { 457 /* SSP1 - Codec */ 458 .name = "SSP1-Codec", 459 .id = 1, 460 .cpu_dai_name = "SSP1 Pin", 461 .platform_name = "0000:00:0e.0", 462 .no_pcm = 1, 463 .codec_name = "i2c-DLGS7219:00", 464 .codec_dai_name = BXT_DIALOG_CODEC_DAI, 465 .init = broxton_da7219_codec_init, 466 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 467 SND_SOC_DAIFMT_CBS_CFS, 468 .ignore_pmdown_time = 1, 469 .be_hw_params_fixup = broxton_ssp_fixup, 470 .dpcm_playback = 1, 471 .dpcm_capture = 1, 472 }, 473 { 474 .name = "dmic01", 475 .id = 2, 476 .cpu_dai_name = "DMIC01 Pin", 477 .codec_name = "dmic-codec", 478 .codec_dai_name = "dmic-hifi", 479 .platform_name = "0000:00:0e.0", 480 .ignore_suspend = 1, 481 .be_hw_params_fixup = broxton_dmic_fixup, 482 .dpcm_capture = 1, 483 .no_pcm = 1, 484 }, 485 { 486 .name = "iDisp1", 487 .id = 3, 488 .cpu_dai_name = "iDisp1 Pin", 489 .codec_name = "ehdaudio0D2", 490 .codec_dai_name = "intel-hdmi-hifi1", 491 .platform_name = "0000:00:0e.0", 492 .init = broxton_hdmi_init, 493 .dpcm_playback = 1, 494 .no_pcm = 1, 495 }, 496 { 497 .name = "iDisp2", 498 .id = 4, 499 .cpu_dai_name = "iDisp2 Pin", 500 .codec_name = "ehdaudio0D2", 501 .codec_dai_name = "intel-hdmi-hifi2", 502 .platform_name = "0000:00:0e.0", 503 .init = broxton_hdmi_init, 504 .dpcm_playback = 1, 505 .no_pcm = 1, 506 }, 507 { 508 .name = "iDisp3", 509 .id = 5, 510 .cpu_dai_name = "iDisp3 Pin", 511 .codec_name = "ehdaudio0D2", 512 .codec_dai_name = "intel-hdmi-hifi3", 513 .platform_name = "0000:00:0e.0", 514 .init = broxton_hdmi_init, 515 .dpcm_playback = 1, 516 .no_pcm = 1, 517 }, 518 }; 519 520 #define NAME_SIZE 32 521 static int bxt_card_late_probe(struct snd_soc_card *card) 522 { 523 struct bxt_card_private *ctx = snd_soc_card_get_drvdata(card); 524 struct bxt_hdmi_pcm *pcm; 525 struct snd_soc_codec *codec = NULL; 526 int err, i = 0; 527 char jack_name[NAME_SIZE]; 528 529 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 530 codec = pcm->codec_dai->codec; 531 snprintf(jack_name, sizeof(jack_name), 532 "HDMI/DP, pcm=%d Jack", pcm->device); 533 err = snd_soc_card_jack_new(card, jack_name, 534 SND_JACK_AVOUT, &broxton_hdmi[i], 535 NULL, 0); 536 537 if (err) 538 return err; 539 540 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 541 &broxton_hdmi[i]); 542 if (err < 0) 543 return err; 544 545 i++; 546 } 547 548 if (!codec) 549 return -EINVAL; 550 551 return hdac_hdmi_jack_port_init(codec, &card->dapm); 552 } 553 554 /* broxton audio machine driver for SPT + da7219 */ 555 static struct snd_soc_card broxton_audio_card = { 556 .name = "bxtda7219max", 557 .owner = THIS_MODULE, 558 .dai_link = broxton_dais, 559 .num_links = ARRAY_SIZE(broxton_dais), 560 .controls = broxton_controls, 561 .num_controls = ARRAY_SIZE(broxton_controls), 562 .dapm_widgets = broxton_widgets, 563 .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), 564 .dapm_routes = broxton_map, 565 .num_dapm_routes = ARRAY_SIZE(broxton_map), 566 .fully_routed = true, 567 .late_probe = bxt_card_late_probe, 568 }; 569 570 static int broxton_audio_probe(struct platform_device *pdev) 571 { 572 struct bxt_card_private *ctx; 573 574 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC); 575 if (!ctx) 576 return -ENOMEM; 577 578 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 579 580 broxton_audio_card.dev = &pdev->dev; 581 snd_soc_card_set_drvdata(&broxton_audio_card, ctx); 582 583 return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card); 584 } 585 586 static struct platform_driver broxton_audio = { 587 .probe = broxton_audio_probe, 588 .driver = { 589 .name = "bxt_da7219_max98357a_i2s", 590 .pm = &snd_soc_pm_ops, 591 }, 592 }; 593 module_platform_driver(broxton_audio) 594 595 /* Module information */ 596 MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); 597 MODULE_AUTHOR("Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>"); 598 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com>"); 599 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); 600 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>"); 601 MODULE_LICENSE("GPL v2"); 602 MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s"); 603