1 /* 2 * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567 3 * 4 * Copyright (C) 2015, Intel Corporation. All rights reserved. 5 * 6 * Modified from: 7 * Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567 8 * 9 * Copyright (C) 2015, Intel Corporation. All rights reserved. 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/pcm.h> 25 #include <sound/soc.h> 26 #include <sound/jack.h> 27 #include <sound/pcm_params.h> 28 #include "../../codecs/nau8825.h" 29 30 #define SKL_NUVOTON_CODEC_DAI "nau8825-hifi" 31 #define SKL_SSM_CODEC_DAI "ssm4567-hifi" 32 33 static struct snd_soc_jack skylake_headset; 34 static struct snd_soc_card skylake_audio_card; 35 36 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card) 37 { 38 struct snd_soc_pcm_runtime *rtd; 39 40 list_for_each_entry(rtd, &card->rtd_list, list) { 41 42 if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI, 43 strlen(SKL_NUVOTON_CODEC_DAI))) 44 return rtd->codec_dai; 45 } 46 47 return NULL; 48 } 49 50 static const struct snd_kcontrol_new skylake_controls[] = { 51 SOC_DAPM_PIN_SWITCH("Headphone Jack"), 52 SOC_DAPM_PIN_SWITCH("Headset Mic"), 53 SOC_DAPM_PIN_SWITCH("Left Speaker"), 54 SOC_DAPM_PIN_SWITCH("Right Speaker"), 55 }; 56 57 static int platform_clock_control(struct snd_soc_dapm_widget *w, 58 struct snd_kcontrol *k, int event) 59 { 60 struct snd_soc_dapm_context *dapm = w->dapm; 61 struct snd_soc_card *card = dapm->card; 62 struct snd_soc_dai *codec_dai; 63 int ret; 64 65 codec_dai = skl_get_codec_dai(card); 66 if (!codec_dai) { 67 dev_err(card->dev, "Codec dai not found\n"); 68 return -EIO; 69 } 70 71 if (SND_SOC_DAPM_EVENT_ON(event)) { 72 ret = snd_soc_dai_set_sysclk(codec_dai, 73 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); 74 if (ret < 0) { 75 dev_err(card->dev, "set sysclk err = %d\n", ret); 76 return -EIO; 77 } 78 } else { 79 ret = snd_soc_dai_set_sysclk(codec_dai, 80 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN); 81 if (ret < 0) { 82 dev_err(card->dev, "set sysclk err = %d\n", ret); 83 return -EIO; 84 } 85 } 86 return ret; 87 } 88 89 static const struct snd_soc_dapm_widget skylake_widgets[] = { 90 SND_SOC_DAPM_HP("Headphone Jack", NULL), 91 SND_SOC_DAPM_MIC("Headset Mic", NULL), 92 SND_SOC_DAPM_SPK("Left Speaker", NULL), 93 SND_SOC_DAPM_SPK("Right Speaker", NULL), 94 SND_SOC_DAPM_MIC("SoC DMIC", NULL), 95 SND_SOC_DAPM_SINK("WoV Sink"), 96 SND_SOC_DAPM_SPK("DP", NULL), 97 SND_SOC_DAPM_SPK("HDMI", NULL), 98 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, 99 platform_clock_control, SND_SOC_DAPM_PRE_PMU | 100 SND_SOC_DAPM_POST_PMD), 101 }; 102 103 static const struct snd_soc_dapm_route skylake_map[] = { 104 /* HP jack connectors - unknown if we have jack detection */ 105 {"Headphone Jack", NULL, "HPOL"}, 106 {"Headphone Jack", NULL, "HPOR"}, 107 108 /* speaker */ 109 {"Left Speaker", NULL, "Left OUT"}, 110 {"Right Speaker", NULL, "Right OUT"}, 111 112 /* other jacks */ 113 {"MIC", NULL, "Headset Mic"}, 114 {"DMic", NULL, "SoC DMIC"}, 115 116 {"WoV Sink", NULL, "hwd_in sink"}, 117 118 {"HDMI", NULL, "hif5 Output"}, 119 {"DP", NULL, "hif6 Output"}, 120 /* CODEC BE connections */ 121 { "Left Playback", NULL, "ssp0 Tx"}, 122 { "Right Playback", NULL, "ssp0 Tx"}, 123 { "ssp0 Tx", NULL, "codec0_out"}, 124 125 { "Playback", NULL, "ssp1 Tx"}, 126 { "ssp1 Tx", NULL, "codec1_out"}, 127 128 { "codec0_in", NULL, "ssp1 Rx" }, 129 { "ssp1 Rx", NULL, "Capture" }, 130 131 /* DMIC */ 132 { "dmic01_hifi", NULL, "DMIC01 Rx" }, 133 { "DMIC01 Rx", NULL, "DMIC AIF" }, 134 { "hifi1", NULL, "iDisp Tx"}, 135 { "iDisp Tx", NULL, "iDisp_out"}, 136 { "Headphone Jack", NULL, "Platform Clock" }, 137 { "Headset Mic", NULL, "Platform Clock" }, 138 }; 139 140 static struct snd_soc_codec_conf ssm4567_codec_conf[] = { 141 { 142 .dev_name = "i2c-INT343B:00", 143 .name_prefix = "Left", 144 }, 145 { 146 .dev_name = "i2c-INT343B:01", 147 .name_prefix = "Right", 148 }, 149 }; 150 151 static struct snd_soc_dai_link_component ssm4567_codec_components[] = { 152 { /* Left */ 153 .name = "i2c-INT343B:00", 154 .dai_name = SKL_SSM_CODEC_DAI, 155 }, 156 { /* Right */ 157 .name = "i2c-INT343B:01", 158 .dai_name = SKL_SSM_CODEC_DAI, 159 }, 160 }; 161 162 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd) 163 { 164 int ret; 165 166 /* Slot 1 for left */ 167 ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48); 168 if (ret < 0) 169 return ret; 170 171 /* Slot 2 for right */ 172 ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48); 173 if (ret < 0) 174 return ret; 175 176 return ret; 177 } 178 179 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd) 180 { 181 int ret; 182 struct snd_soc_codec *codec = rtd->codec; 183 184 /* 185 * 4 buttons here map to the google Reference headset 186 * The use of these buttons can be decided by the user space. 187 */ 188 ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack", 189 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | 190 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset, 191 NULL, 0); 192 if (ret) { 193 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret); 194 return ret; 195 } 196 197 nau8825_enable_jack_detect(codec, &skylake_headset); 198 199 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); 200 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink"); 201 202 return ret; 203 } 204 205 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd) 206 { 207 struct snd_soc_dapm_context *dapm; 208 struct snd_soc_component *component = rtd->cpu_dai->component; 209 210 dapm = snd_soc_component_get_dapm(component); 211 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); 212 213 return 0; 214 } 215 216 static unsigned int rates[] = { 217 48000, 218 }; 219 220 static struct snd_pcm_hw_constraint_list constraints_rates = { 221 .count = ARRAY_SIZE(rates), 222 .list = rates, 223 .mask = 0, 224 }; 225 226 static unsigned int channels[] = { 227 2, 228 }; 229 230 static struct snd_pcm_hw_constraint_list constraints_channels = { 231 .count = ARRAY_SIZE(channels), 232 .list = channels, 233 .mask = 0, 234 }; 235 236 static int skl_fe_startup(struct snd_pcm_substream *substream) 237 { 238 struct snd_pcm_runtime *runtime = substream->runtime; 239 240 /* 241 * on this platform for PCM device we support, 242 * 48Khz 243 * stereo 244 * 16 bit audio 245 */ 246 247 runtime->hw.channels_max = 2; 248 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 249 &constraints_channels); 250 251 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 252 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 253 254 snd_pcm_hw_constraint_list(runtime, 0, 255 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 256 257 return 0; 258 } 259 260 static const struct snd_soc_ops skylake_nau8825_fe_ops = { 261 .startup = skl_fe_startup, 262 }; 263 264 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd, 265 struct snd_pcm_hw_params *params) 266 { 267 struct snd_interval *rate = hw_param_interval(params, 268 SNDRV_PCM_HW_PARAM_RATE); 269 struct snd_interval *channels = hw_param_interval(params, 270 SNDRV_PCM_HW_PARAM_CHANNELS); 271 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 272 273 /* The ADSP will covert the FE rate to 48k, stereo */ 274 rate->min = rate->max = 48000; 275 channels->min = channels->max = 2; 276 277 /* set SSP0 to 24 bit */ 278 snd_mask_none(fmt); 279 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); 280 return 0; 281 } 282 283 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd, 284 struct snd_pcm_hw_params *params) 285 { 286 struct snd_interval *channels = hw_param_interval(params, 287 SNDRV_PCM_HW_PARAM_CHANNELS); 288 if (params_channels(params) == 2) 289 channels->min = channels->max = 2; 290 else 291 channels->min = channels->max = 4; 292 293 return 0; 294 } 295 296 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream, 297 struct snd_pcm_hw_params *params) 298 { 299 struct snd_soc_pcm_runtime *rtd = substream->private_data; 300 struct snd_soc_dai *codec_dai = rtd->codec_dai; 301 int ret; 302 303 ret = snd_soc_dai_set_sysclk(codec_dai, 304 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN); 305 306 if (ret < 0) 307 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); 308 309 return ret; 310 } 311 312 static struct snd_soc_ops skylake_nau8825_ops = { 313 .hw_params = skylake_nau8825_hw_params, 314 }; 315 316 static unsigned int channels_dmic[] = { 317 2, 4, 318 }; 319 320 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { 321 .count = ARRAY_SIZE(channels_dmic), 322 .list = channels_dmic, 323 .mask = 0, 324 }; 325 326 static int skylake_dmic_startup(struct snd_pcm_substream *substream) 327 { 328 struct snd_pcm_runtime *runtime = substream->runtime; 329 330 runtime->hw.channels_max = 4; 331 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 332 &constraints_dmic_channels); 333 334 return snd_pcm_hw_constraint_list(substream->runtime, 0, 335 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 336 } 337 338 static struct snd_soc_ops skylake_dmic_ops = { 339 .startup = skylake_dmic_startup, 340 }; 341 342 static unsigned int rates_16000[] = { 343 16000, 344 }; 345 346 static struct snd_pcm_hw_constraint_list constraints_16000 = { 347 .count = ARRAY_SIZE(rates_16000), 348 .list = rates_16000, 349 }; 350 351 static int skylake_refcap_startup(struct snd_pcm_substream *substream) 352 { 353 return snd_pcm_hw_constraint_list(substream->runtime, 0, 354 SNDRV_PCM_HW_PARAM_RATE, 355 &constraints_16000); 356 } 357 358 static struct snd_soc_ops skylaye_refcap_ops = { 359 .startup = skylake_refcap_startup, 360 }; 361 362 /* skylake digital audio interface glue - connects codec <--> CPU */ 363 static struct snd_soc_dai_link skylake_dais[] = { 364 /* Front End DAI links */ 365 { 366 .name = "Skl Audio Port", 367 .stream_name = "Audio", 368 .cpu_dai_name = "System Pin", 369 .platform_name = "0000:00:1f.3", 370 .dynamic = 1, 371 .codec_name = "snd-soc-dummy", 372 .codec_dai_name = "snd-soc-dummy-dai", 373 .nonatomic = 1, 374 .init = skylake_nau8825_fe_init, 375 .trigger = { 376 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 377 .dpcm_playback = 1, 378 .ops = &skylake_nau8825_fe_ops, 379 }, 380 { 381 .name = "Skl Audio Capture Port", 382 .stream_name = "Audio Record", 383 .cpu_dai_name = "System Pin", 384 .platform_name = "0000:00:1f.3", 385 .dynamic = 1, 386 .codec_name = "snd-soc-dummy", 387 .codec_dai_name = "snd-soc-dummy-dai", 388 .nonatomic = 1, 389 .trigger = { 390 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 391 .dpcm_capture = 1, 392 .ops = &skylake_nau8825_fe_ops, 393 }, 394 { 395 .name = "Skl Audio Reference cap", 396 .stream_name = "Wake on Voice", 397 .cpu_dai_name = "Reference Pin", 398 .codec_name = "snd-soc-dummy", 399 .codec_dai_name = "snd-soc-dummy-dai", 400 .platform_name = "0000:00:1f.3", 401 .init = NULL, 402 .dpcm_capture = 1, 403 .ignore_suspend = 1, 404 .nonatomic = 1, 405 .dynamic = 1, 406 .ops = &skylaye_refcap_ops, 407 }, 408 { 409 .name = "Skl Audio DMIC cap", 410 .stream_name = "dmiccap", 411 .cpu_dai_name = "DMIC Pin", 412 .codec_name = "snd-soc-dummy", 413 .codec_dai_name = "snd-soc-dummy-dai", 414 .platform_name = "0000:00:1f.3", 415 .init = NULL, 416 .dpcm_capture = 1, 417 .nonatomic = 1, 418 .dynamic = 1, 419 .ops = &skylake_dmic_ops, 420 }, 421 { 422 .name = "Skl HDMI Port", 423 .stream_name = "Hdmi", 424 .cpu_dai_name = "HDMI Pin", 425 .codec_name = "snd-soc-dummy", 426 .codec_dai_name = "snd-soc-dummy-dai", 427 .platform_name = "0000:00:1f.3", 428 .dpcm_playback = 1, 429 .init = NULL, 430 .nonatomic = 1, 431 .dynamic = 1, 432 }, 433 434 /* Back End DAI links */ 435 { 436 /* SSP0 - Codec */ 437 .name = "SSP0-Codec", 438 .be_id = 0, 439 .cpu_dai_name = "SSP0 Pin", 440 .platform_name = "0000:00:1f.3", 441 .no_pcm = 1, 442 .codecs = ssm4567_codec_components, 443 .num_codecs = ARRAY_SIZE(ssm4567_codec_components), 444 .dai_fmt = SND_SOC_DAIFMT_DSP_A | 445 SND_SOC_DAIFMT_IB_NF | 446 SND_SOC_DAIFMT_CBS_CFS, 447 .init = skylake_ssm4567_codec_init, 448 .ignore_pmdown_time = 1, 449 .be_hw_params_fixup = skylake_ssp_fixup, 450 .dpcm_playback = 1, 451 }, 452 { 453 /* SSP1 - Codec */ 454 .name = "SSP1-Codec", 455 .be_id = 0, 456 .cpu_dai_name = "SSP1 Pin", 457 .platform_name = "0000:00:1f.3", 458 .no_pcm = 1, 459 .codec_name = "i2c-10508825:00", 460 .codec_dai_name = SKL_NUVOTON_CODEC_DAI, 461 .init = skylake_nau8825_codec_init, 462 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | 463 SND_SOC_DAIFMT_CBS_CFS, 464 .ignore_pmdown_time = 1, 465 .be_hw_params_fixup = skylake_ssp_fixup, 466 .ops = &skylake_nau8825_ops, 467 .dpcm_playback = 1, 468 .dpcm_capture = 1, 469 }, 470 { 471 .name = "dmic01", 472 .be_id = 1, 473 .cpu_dai_name = "DMIC01 Pin", 474 .codec_name = "dmic-codec", 475 .codec_dai_name = "dmic-hifi", 476 .platform_name = "0000:00:1f.3", 477 .ignore_suspend = 1, 478 .be_hw_params_fixup = skylake_dmic_fixup, 479 .dpcm_capture = 1, 480 .no_pcm = 1, 481 }, 482 { 483 .name = "iDisp", 484 .be_id = 3, 485 .cpu_dai_name = "iDisp Pin", 486 .codec_name = "ehdaudio0D2", 487 .codec_dai_name = "intel-hdmi-hifi1", 488 .platform_name = "0000:00:1f.3", 489 .dpcm_playback = 1, 490 .no_pcm = 1, 491 }, 492 }; 493 494 /* skylake audio machine driver for SPT + NAU88L25 */ 495 static struct snd_soc_card skylake_audio_card = { 496 .name = "sklnau8825adi", 497 .owner = THIS_MODULE, 498 .dai_link = skylake_dais, 499 .num_links = ARRAY_SIZE(skylake_dais), 500 .controls = skylake_controls, 501 .num_controls = ARRAY_SIZE(skylake_controls), 502 .dapm_widgets = skylake_widgets, 503 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets), 504 .dapm_routes = skylake_map, 505 .num_dapm_routes = ARRAY_SIZE(skylake_map), 506 .codec_conf = ssm4567_codec_conf, 507 .num_configs = ARRAY_SIZE(ssm4567_codec_conf), 508 .fully_routed = true, 509 }; 510 511 static int skylake_audio_probe(struct platform_device *pdev) 512 { 513 skylake_audio_card.dev = &pdev->dev; 514 515 return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card); 516 } 517 518 static struct platform_driver skylake_audio = { 519 .probe = skylake_audio_probe, 520 .driver = { 521 .name = "skl_nau88l25_ssm4567_i2s", 522 .pm = &snd_soc_pm_ops, 523 }, 524 }; 525 526 module_platform_driver(skylake_audio) 527 528 /* Module information */ 529 MODULE_AUTHOR("Conrad Cooke <conrad.cooke@intel.com>"); 530 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>"); 531 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>"); 532 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>"); 533 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>"); 534 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode"); 535 MODULE_LICENSE("GPL v2"); 536 MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s"); 537