1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright(c) 2018-19 Canonical Corporation. 3 4 /* 5 * Intel Kabylake I2S Machine Driver with RT5660 Codec 6 * 7 * Modified from: 8 * Intel Kabylake I2S Machine driver supporting MAXIM98357a and 9 * DA7219 codecs 10 * Also referred to: 11 * Intel Broadwell I2S Machine driver supporting RT5677 codec 12 */ 13 14 #include <linux/module.h> 15 #include <linux/platform_device.h> 16 #include <linux/gpio/consumer.h> 17 #include <linux/acpi.h> 18 #include <sound/core.h> 19 #include <sound/jack.h> 20 #include <sound/pcm.h> 21 #include <sound/pcm_params.h> 22 #include <sound/soc.h> 23 24 #include "../../codecs/hdac_hdmi.h" 25 #include "../../codecs/rt5660.h" 26 27 #define KBL_RT5660_CODEC_DAI "rt5660-aif1" 28 #define DUAL_CHANNEL 2 29 30 static struct snd_soc_card *kabylake_audio_card; 31 static struct snd_soc_jack skylake_hdmi[3]; 32 static struct snd_soc_jack lineout_jack; 33 static struct snd_soc_jack mic_jack; 34 35 struct kbl_hdmi_pcm { 36 struct list_head head; 37 struct snd_soc_dai *codec_dai; 38 int device; 39 }; 40 41 struct kbl_codec_private { 42 struct gpio_desc *gpio_lo_mute; 43 struct list_head hdmi_pcm_list; 44 }; 45 46 enum { 47 KBL_DPCM_AUDIO_PB = 0, 48 KBL_DPCM_AUDIO_CP, 49 KBL_DPCM_AUDIO_HDMI1_PB, 50 KBL_DPCM_AUDIO_HDMI2_PB, 51 KBL_DPCM_AUDIO_HDMI3_PB, 52 }; 53 54 #define GPIO_LINEOUT_MUTE_INDEX 0 55 #define GPIO_LINEOUT_DET_INDEX 3 56 #define GPIO_LINEIN_DET_INDEX 4 57 58 static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true }; 59 static const struct acpi_gpio_params lineout_det_gpio = { GPIO_LINEOUT_DET_INDEX, 0, false }; 60 static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false }; 61 62 63 static const struct acpi_gpio_mapping acpi_rt5660_gpios[] = { 64 { "lineout-mute-gpios", &lineout_mute_gpio, 1 }, 65 { "lineout-det-gpios", &lineout_det_gpio, 1 }, 66 { "mic-det-gpios", &mic_det_gpio, 1 }, 67 { NULL }, 68 }; 69 70 static struct snd_soc_jack_pin lineout_jack_pin = { 71 .pin = "Line Out", 72 .mask = SND_JACK_LINEOUT, 73 }; 74 75 static struct snd_soc_jack_pin mic_jack_pin = { 76 .pin = "Line In", 77 .mask = SND_JACK_MICROPHONE, 78 }; 79 80 static struct snd_soc_jack_gpio lineout_jack_gpio = { 81 .name = "lineout-det", 82 .report = SND_JACK_LINEOUT, 83 .debounce_time = 200, 84 }; 85 86 static struct snd_soc_jack_gpio mic_jack_gpio = { 87 .name = "mic-det", 88 .report = SND_JACK_MICROPHONE, 89 .debounce_time = 200, 90 }; 91 92 static int kabylake_5660_event_lineout(struct snd_soc_dapm_widget *w, 93 struct snd_kcontrol *k, int event) 94 { 95 struct snd_soc_dapm_context *dapm = w->dapm; 96 struct kbl_codec_private *priv = snd_soc_card_get_drvdata(dapm->card); 97 98 gpiod_set_value_cansleep(priv->gpio_lo_mute, 99 !(SND_SOC_DAPM_EVENT_ON(event))); 100 101 return 0; 102 } 103 104 static const struct snd_kcontrol_new kabylake_rt5660_controls[] = { 105 SOC_DAPM_PIN_SWITCH("Line In"), 106 SOC_DAPM_PIN_SWITCH("Line Out"), 107 }; 108 109 static const struct snd_soc_dapm_widget kabylake_rt5660_widgets[] = { 110 SND_SOC_DAPM_MIC("Line In", NULL), 111 SND_SOC_DAPM_LINE("Line Out", kabylake_5660_event_lineout), 112 }; 113 114 static const struct snd_soc_dapm_route kabylake_rt5660_map[] = { 115 /* other jacks */ 116 {"IN1P", NULL, "Line In"}, 117 {"IN2P", NULL, "Line In"}, 118 {"Line Out", NULL, "LOUTR"}, 119 {"Line Out", NULL, "LOUTL"}, 120 121 /* CODEC BE connections */ 122 { "AIF1 Playback", NULL, "ssp0 Tx"}, 123 { "ssp0 Tx", NULL, "codec0_out"}, 124 125 { "codec0_in", NULL, "ssp0 Rx" }, 126 { "ssp0 Rx", NULL, "AIF1 Capture" }, 127 128 { "hifi1", NULL, "iDisp1 Tx"}, 129 { "iDisp1 Tx", NULL, "iDisp1_out"}, 130 { "hifi2", NULL, "iDisp2 Tx"}, 131 { "iDisp2 Tx", NULL, "iDisp2_out"}, 132 { "hifi3", NULL, "iDisp3 Tx"}, 133 { "iDisp3 Tx", NULL, "iDisp3_out"}, 134 }; 135 136 static int kabylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd, 137 struct snd_pcm_hw_params *params) 138 { 139 struct snd_interval *rate = hw_param_interval(params, 140 SNDRV_PCM_HW_PARAM_RATE); 141 struct snd_interval *chan = hw_param_interval(params, 142 SNDRV_PCM_HW_PARAM_CHANNELS); 143 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); 144 145 /* The ADSP will convert the FE rate to 48k, stereo */ 146 rate->min = rate->max = 48000; 147 chan->min = chan->max = DUAL_CHANNEL; 148 149 /* set SSP0 to 24 bit */ 150 snd_mask_none(fmt); 151 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE); 152 153 return 0; 154 } 155 156 static int kabylake_rt5660_codec_init(struct snd_soc_pcm_runtime *rtd) 157 { 158 int ret; 159 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 160 struct snd_soc_component *component = rtd->codec_dai->component; 161 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 162 163 ret = devm_acpi_dev_add_driver_gpios(component->dev, acpi_rt5660_gpios); 164 if (ret) 165 dev_warn(component->dev, "Failed to add driver gpios\n"); 166 167 /* Request rt5660 GPIO for lineout mute control, return if fails */ 168 ctx->gpio_lo_mute = devm_gpiod_get(component->dev, "lineout-mute", 169 GPIOD_OUT_HIGH); 170 if (IS_ERR(ctx->gpio_lo_mute)) { 171 dev_err(component->dev, "Can't find GPIO_MUTE# gpio\n"); 172 return PTR_ERR(ctx->gpio_lo_mute); 173 } 174 175 /* Create and initialize headphone jack, this jack is not mandatory, don't return if fails */ 176 ret = snd_soc_card_jack_new(rtd->card, "Lineout Jack", 177 SND_JACK_LINEOUT, &lineout_jack, 178 &lineout_jack_pin, 1); 179 if (ret) 180 dev_warn(component->dev, "Can't create Lineout jack\n"); 181 else { 182 lineout_jack_gpio.gpiod_dev = component->dev; 183 ret = snd_soc_jack_add_gpios(&lineout_jack, 1, 184 &lineout_jack_gpio); 185 if (ret) 186 dev_warn(component->dev, "Can't add Lineout jack gpio\n"); 187 } 188 189 /* Create and initialize mic jack, this jack is not mandatory, don't return if fails */ 190 ret = snd_soc_card_jack_new(rtd->card, "Mic Jack", 191 SND_JACK_MICROPHONE, &mic_jack, 192 &mic_jack_pin, 1); 193 if (ret) 194 dev_warn(component->dev, "Can't create mic jack\n"); 195 else { 196 mic_jack_gpio.gpiod_dev = component->dev; 197 ret = snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio); 198 if (ret) 199 dev_warn(component->dev, "Can't add mic jack gpio\n"); 200 } 201 202 /* Here we enable some dapms in advance to reduce the pop noise for recording via line-in */ 203 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); 204 snd_soc_dapm_force_enable_pin(dapm, "BST1"); 205 snd_soc_dapm_force_enable_pin(dapm, "BST2"); 206 207 return 0; 208 } 209 210 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device) 211 { 212 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card); 213 struct snd_soc_dai *dai = rtd->codec_dai; 214 struct kbl_hdmi_pcm *pcm; 215 216 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL); 217 if (!pcm) 218 return -ENOMEM; 219 220 pcm->device = device; 221 pcm->codec_dai = dai; 222 223 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list); 224 225 return 0; 226 } 227 228 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd) 229 { 230 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB); 231 } 232 233 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd) 234 { 235 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB); 236 } 237 238 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd) 239 { 240 return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB); 241 } 242 243 static int kabylake_rt5660_hw_params(struct snd_pcm_substream *substream, 244 struct snd_pcm_hw_params *params) 245 { 246 struct snd_soc_pcm_runtime *rtd = substream->private_data; 247 struct snd_soc_dai *codec_dai = rtd->codec_dai; 248 int ret; 249 250 ret = snd_soc_dai_set_sysclk(codec_dai, 251 RT5660_SCLK_S_PLL1, params_rate(params) * 512, 252 SND_SOC_CLOCK_IN); 253 if (ret < 0) { 254 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret); 255 return ret; 256 } 257 258 ret = snd_soc_dai_set_pll(codec_dai, 0, 259 RT5660_PLL1_S_BCLK, 260 params_rate(params) * 50, 261 params_rate(params) * 512); 262 if (ret < 0) 263 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret); 264 265 return ret; 266 } 267 268 static struct snd_soc_ops kabylake_rt5660_ops = { 269 .hw_params = kabylake_rt5660_hw_params, 270 }; 271 272 static const unsigned int rates[] = { 273 48000, 274 }; 275 276 static const struct snd_pcm_hw_constraint_list constraints_rates = { 277 .count = ARRAY_SIZE(rates), 278 .list = rates, 279 .mask = 0, 280 }; 281 282 static const unsigned int channels[] = { 283 DUAL_CHANNEL, 284 }; 285 286 static const struct snd_pcm_hw_constraint_list constraints_channels = { 287 .count = ARRAY_SIZE(channels), 288 .list = channels, 289 .mask = 0, 290 }; 291 292 static int kbl_fe_startup(struct snd_pcm_substream *substream) 293 { 294 struct snd_pcm_runtime *runtime = substream->runtime; 295 296 /* 297 * On this platform for PCM device we support, 298 * 48Khz 299 * stereo 300 * 16 bit audio 301 */ 302 303 runtime->hw.channels_max = DUAL_CHANNEL; 304 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, 305 &constraints_channels); 306 307 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; 308 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); 309 310 snd_pcm_hw_constraint_list(runtime, 0, 311 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); 312 313 return 0; 314 } 315 316 static const struct snd_soc_ops kabylake_rt5660_fe_ops = { 317 .startup = kbl_fe_startup, 318 }; 319 320 SND_SOC_DAILINK_DEF(dummy, 321 DAILINK_COMP_ARRAY(COMP_DUMMY())); 322 323 SND_SOC_DAILINK_DEF(system, 324 DAILINK_COMP_ARRAY(COMP_CPU("System Pin"))); 325 326 SND_SOC_DAILINK_DEF(hdmi1, 327 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin"))); 328 329 SND_SOC_DAILINK_DEF(hdmi2, 330 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin"))); 331 332 SND_SOC_DAILINK_DEF(hdmi3, 333 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin"))); 334 335 SND_SOC_DAILINK_DEF(ssp0_pin, 336 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin"))); 337 SND_SOC_DAILINK_DEF(ssp0_codec, 338 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC3277:00", KBL_RT5660_CODEC_DAI))); 339 340 SND_SOC_DAILINK_DEF(idisp1_pin, 341 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin"))); 342 SND_SOC_DAILINK_DEF(idisp1_codec, 343 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1"))); 344 345 SND_SOC_DAILINK_DEF(idisp2_pin, 346 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin"))); 347 SND_SOC_DAILINK_DEF(idisp2_codec, 348 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2"))); 349 350 SND_SOC_DAILINK_DEF(idisp3_pin, 351 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin"))); 352 SND_SOC_DAILINK_DEF(idisp3_codec, 353 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3"))); 354 355 SND_SOC_DAILINK_DEF(platform, 356 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3"))); 357 358 /* kabylake digital audio interface glue - connects rt5660 codec <--> CPU */ 359 static struct snd_soc_dai_link kabylake_rt5660_dais[] = { 360 /* Front End DAI links */ 361 [KBL_DPCM_AUDIO_PB] = { 362 .name = "Kbl Audio Port", 363 .stream_name = "Audio", 364 .dynamic = 1, 365 .nonatomic = 1, 366 .trigger = { 367 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 368 .dpcm_playback = 1, 369 .ops = &kabylake_rt5660_fe_ops, 370 SND_SOC_DAILINK_REG(system, dummy, platform), 371 }, 372 [KBL_DPCM_AUDIO_CP] = { 373 .name = "Kbl Audio Capture Port", 374 .stream_name = "Audio Record", 375 .dynamic = 1, 376 .nonatomic = 1, 377 .trigger = { 378 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 379 .dpcm_capture = 1, 380 .ops = &kabylake_rt5660_fe_ops, 381 SND_SOC_DAILINK_REG(system, dummy, platform), 382 }, 383 [KBL_DPCM_AUDIO_HDMI1_PB] = { 384 .name = "Kbl HDMI Port1", 385 .stream_name = "Hdmi1", 386 .dpcm_playback = 1, 387 .init = NULL, 388 .trigger = { 389 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 390 .nonatomic = 1, 391 .dynamic = 1, 392 SND_SOC_DAILINK_REG(hdmi1, dummy, platform), 393 }, 394 [KBL_DPCM_AUDIO_HDMI2_PB] = { 395 .name = "Kbl HDMI Port2", 396 .stream_name = "Hdmi2", 397 .dpcm_playback = 1, 398 .init = NULL, 399 .trigger = { 400 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 401 .nonatomic = 1, 402 .dynamic = 1, 403 SND_SOC_DAILINK_REG(hdmi2, dummy, platform), 404 }, 405 [KBL_DPCM_AUDIO_HDMI3_PB] = { 406 .name = "Kbl HDMI Port3", 407 .stream_name = "Hdmi3", 408 .trigger = { 409 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, 410 .dpcm_playback = 1, 411 .init = NULL, 412 .nonatomic = 1, 413 .dynamic = 1, 414 SND_SOC_DAILINK_REG(hdmi3, dummy, platform), 415 }, 416 417 /* Back End DAI links */ 418 { 419 /* SSP0 - Codec */ 420 .name = "SSP0-Codec", 421 .id = 0, 422 .no_pcm = 1, 423 .init = kabylake_rt5660_codec_init, 424 .dai_fmt = SND_SOC_DAIFMT_I2S | 425 SND_SOC_DAIFMT_NB_NF | 426 SND_SOC_DAIFMT_CBS_CFS, 427 .ignore_pmdown_time = 1, 428 .be_hw_params_fixup = kabylake_ssp0_fixup, 429 .ops = &kabylake_rt5660_ops, 430 .dpcm_playback = 1, 431 .dpcm_capture = 1, 432 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform), 433 }, 434 { 435 .name = "iDisp1", 436 .id = 1, 437 .dpcm_playback = 1, 438 .init = kabylake_hdmi1_init, 439 .no_pcm = 1, 440 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform), 441 }, 442 { 443 .name = "iDisp2", 444 .id = 2, 445 .init = kabylake_hdmi2_init, 446 .dpcm_playback = 1, 447 .no_pcm = 1, 448 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform), 449 }, 450 { 451 .name = "iDisp3", 452 .id = 3, 453 .init = kabylake_hdmi3_init, 454 .dpcm_playback = 1, 455 .no_pcm = 1, 456 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform), 457 }, 458 }; 459 460 461 #define NAME_SIZE 32 462 static int kabylake_card_late_probe(struct snd_soc_card *card) 463 { 464 struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card); 465 struct kbl_hdmi_pcm *pcm; 466 struct snd_soc_component *component = NULL; 467 int err, i = 0; 468 char jack_name[NAME_SIZE]; 469 470 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) { 471 component = pcm->codec_dai->component; 472 snprintf(jack_name, sizeof(jack_name), 473 "HDMI/DP, pcm=%d Jack", pcm->device); 474 err = snd_soc_card_jack_new(card, jack_name, 475 SND_JACK_AVOUT, &skylake_hdmi[i], 476 NULL, 0); 477 478 if (err) 479 return err; 480 481 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device, 482 &skylake_hdmi[i]); 483 if (err < 0) 484 return err; 485 486 i++; 487 488 } 489 490 if (!component) 491 return -EINVAL; 492 493 return hdac_hdmi_jack_port_init(component, &card->dapm); 494 } 495 496 /* kabylake audio machine driver for rt5660 */ 497 static struct snd_soc_card kabylake_audio_card_rt5660 = { 498 .name = "kblrt5660", 499 .owner = THIS_MODULE, 500 .dai_link = kabylake_rt5660_dais, 501 .num_links = ARRAY_SIZE(kabylake_rt5660_dais), 502 .controls = kabylake_rt5660_controls, 503 .num_controls = ARRAY_SIZE(kabylake_rt5660_controls), 504 .dapm_widgets = kabylake_rt5660_widgets, 505 .num_dapm_widgets = ARRAY_SIZE(kabylake_rt5660_widgets), 506 .dapm_routes = kabylake_rt5660_map, 507 .num_dapm_routes = ARRAY_SIZE(kabylake_rt5660_map), 508 .fully_routed = true, 509 .late_probe = kabylake_card_late_probe, 510 }; 511 512 static int kabylake_audio_probe(struct platform_device *pdev) 513 { 514 struct kbl_codec_private *ctx; 515 516 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); 517 if (!ctx) 518 return -ENOMEM; 519 520 INIT_LIST_HEAD(&ctx->hdmi_pcm_list); 521 522 kabylake_audio_card = 523 (struct snd_soc_card *)pdev->id_entry->driver_data; 524 525 kabylake_audio_card->dev = &pdev->dev; 526 snd_soc_card_set_drvdata(kabylake_audio_card, ctx); 527 return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card); 528 } 529 530 static const struct platform_device_id kbl_board_ids[] = { 531 { 532 .name = "kbl_rt5660", 533 .driver_data = 534 (kernel_ulong_t)&kabylake_audio_card_rt5660, 535 }, 536 { } 537 }; 538 539 static struct platform_driver kabylake_audio = { 540 .probe = kabylake_audio_probe, 541 .driver = { 542 .name = "kbl_rt5660", 543 .pm = &snd_soc_pm_ops, 544 }, 545 .id_table = kbl_board_ids, 546 }; 547 548 module_platform_driver(kabylake_audio) 549 550 /* Module information */ 551 MODULE_DESCRIPTION("Audio Machine driver-RT5660 in I2S mode"); 552 MODULE_AUTHOR("Hui Wang <hui.wang@canonical.com>"); 553 MODULE_LICENSE("GPL v2"); 554 MODULE_ALIAS("platform:kbl_rt5660"); 555