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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 | // SPDX-License-Identifier: GPL-2.0-only /* * bytcr_wm5102.c - ASoc Machine driver for Intel Baytrail platforms with a * Wolfson Microelectronics WM5102 codec * * Copyright (C) 2020 Hans de Goede <hdegoede@redhat.com> * Loosely based on bytcr_rt5640.c which is: * Copyright (C) 2014-2020 Intel Corp * Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com> */ #include <linux/acpi.h> #include <linux/bitfield.h> #include <linux/clk.h> #include <linux/device.h> #include <linux/init.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/platform_data/x86/soc.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spi/spi.h> #include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/soc-acpi.h> #include "../../codecs/wm5102.h" #include "../atom/sst-atom-controls.h" #define WM5102_MAX_SYSCLK_4K 49152000 /* max sysclk for 4K family */ #define WM5102_MAX_SYSCLK_11025 45158400 /* max sysclk for 11.025K family */ struct byt_wm5102_private { struct snd_soc_jack jack; struct clk *mclk; struct gpio_desc *spkvdd_en_gpio; int mclk_freq; }; #define BYT_WM5102_IN_MAP GENMASK(3, 0) #define BYT_WM5102_OUT_MAP GENMASK(7, 4) #define BYT_WM5102_SSP2 BIT(16) #define BYT_WM5102_MCLK_19_2MHZ BIT(17) enum { BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L, BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L, }; /* Note these values are pre-shifted for easy use of setting quirks */ enum { BYT_WM5102_SPK_SPK_MAP = FIELD_PREP_CONST(BYT_WM5102_OUT_MAP, 0), BYT_WM5102_SPK_HPOUT2_MAP = FIELD_PREP_CONST(BYT_WM5102_OUT_MAP, 1), }; static unsigned long quirk; static int quirk_override = -1; module_param_named(quirk, quirk_override, int, 0444); MODULE_PARM_DESC(quirk, "Board-specific quirk override"); static void log_quirks(struct device *dev) { switch (quirk & BYT_WM5102_IN_MAP) { case BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L: dev_info_once(dev, "quirk INTMIC_IN3L_HSMIC_IN1L enabled\n"); break; case BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L: dev_info_once(dev, "quirk INTMIC_IN1L_HSMIC_IN2L enabled\n"); break; default: dev_warn_once(dev, "quirk sets invalid input map: 0x%lx, defaulting to INTMIC_IN3L_HSMIC_IN1L\n", quirk & BYT_WM5102_IN_MAP); quirk &= ~BYT_WM5102_IN_MAP; quirk |= BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L; break; } switch (quirk & BYT_WM5102_OUT_MAP) { case BYT_WM5102_SPK_SPK_MAP: dev_info_once(dev, "quirk SPK_SPK_MAP enabled\n"); break; case BYT_WM5102_SPK_HPOUT2_MAP: dev_info_once(dev, "quirk SPK_HPOUT2_MAP enabled\n"); break; default: dev_warn_once(dev, "quirk sets invalid output map: 0x%lx, defaulting to SPK_SPK_MAP\n", quirk & BYT_WM5102_OUT_MAP); quirk &= ~BYT_WM5102_OUT_MAP; quirk |= BYT_WM5102_SPK_SPK_MAP; break; } if (quirk & BYT_WM5102_SSP2) dev_info_once(dev, "quirk SSP2 enabled"); if (quirk & BYT_WM5102_MCLK_19_2MHZ) dev_info_once(dev, "quirk MCLK 19.2MHz enabled"); } static int byt_wm5102_spkvdd_power_event(struct snd_soc_dapm_widget *w, struct snd_kcontrol *kcontrol, int event) { struct snd_soc_card *card = w->dapm->card; struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card); gpiod_set_value_cansleep(priv->spkvdd_en_gpio, !!SND_SOC_DAPM_EVENT_ON(event)); return 0; } static int byt_wm5102_prepare_and_enable_pll1(struct snd_soc_dai *codec_dai, int rate) { struct snd_soc_component *codec_component = codec_dai->component; struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(codec_component->card); int sr_mult = ((rate % 4000) == 0) ? (WM5102_MAX_SYSCLK_4K / rate) : (WM5102_MAX_SYSCLK_11025 / rate); int ret; /* Reset FLL1 */ snd_soc_dai_set_pll(codec_dai, WM5102_FLL1_REFCLK, ARIZONA_FLL_SRC_NONE, 0, 0); snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0); /* Configure the FLL1 PLL before selecting it */ ret = snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_CLK_SRC_MCLK1, priv->mclk_freq, rate * sr_mult); if (ret) { dev_err(codec_component->dev, "Error setting PLL: %d\n", ret); return ret; } ret = snd_soc_component_set_sysclk(codec_component, ARIZONA_CLK_SYSCLK, ARIZONA_CLK_SRC_FLL1, rate * sr_mult, SND_SOC_CLOCK_IN); if (ret) { dev_err(codec_component->dev, "Error setting SYSCLK: %d\n", ret); return ret; } ret = snd_soc_dai_set_sysclk(codec_dai, ARIZONA_CLK_SYSCLK, rate * 512, SND_SOC_CLOCK_IN); if (ret) { dev_err(codec_component->dev, "Error setting clock: %d\n", ret); return ret; } return 0; } static int platform_clock_control(struct snd_soc_dapm_widget *w, struct snd_kcontrol *k, int event) { struct snd_soc_dapm_context *dapm = w->dapm; struct snd_soc_card *card = dapm->card; struct snd_soc_dai *codec_dai; struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card); int ret; codec_dai = snd_soc_card_get_codec_dai(card, "wm5102-aif1"); if (!codec_dai) { dev_err(card->dev, "Error codec DAI not found\n"); return -EIO; } if (SND_SOC_DAPM_EVENT_ON(event)) { ret = clk_prepare_enable(priv->mclk); if (ret) { dev_err(card->dev, "Error enabling MCLK: %d\n", ret); return ret; } ret = byt_wm5102_prepare_and_enable_pll1(codec_dai, 48000); if (ret) { dev_err(card->dev, "Error setting codec sysclk: %d\n", ret); return ret; } } else { /* * The WM5102 has a separate 32KHz clock for jack-detect * so we can disable the PLL, followed by disabling the * platform clock which is the source-clock for the PLL. */ snd_soc_dai_set_pll(codec_dai, WM5102_FLL1, ARIZONA_FLL_SRC_NONE, 0, 0); clk_disable_unprepare(priv->mclk); } return 0; } static const struct snd_soc_dapm_widget byt_wm5102_widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Internal Mic", NULL), SND_SOC_DAPM_SPK("Speaker", NULL), SND_SOC_DAPM_LINE("Line Out", NULL), SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0, platform_clock_control, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_SUPPLY("Speaker VDD", SND_SOC_NOPM, 0, 0, byt_wm5102_spkvdd_power_event, SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU), }; static const struct snd_soc_dapm_route byt_wm5102_audio_map[] = { {"Headphone", NULL, "Platform Clock"}, {"Headset Mic", NULL, "Platform Clock"}, {"Internal Mic", NULL, "Platform Clock"}, {"Speaker", NULL, "Platform Clock"}, {"Speaker", NULL, "Speaker VDD"}, {"Headphone", NULL, "HPOUT1L"}, {"Headphone", NULL, "HPOUT1R"}, /* * The Headset Mix uses MICBIAS1 or 2 depending on if a CTIA/OMTP Headset * is connected, as the MICBIAS is applied after the CTIA/OMTP cross-switch. */ {"Headset Mic", NULL, "MICBIAS1"}, {"Headset Mic", NULL, "MICBIAS2"}, {"Internal Mic", NULL, "MICBIAS3"}, }; static const struct snd_soc_dapm_route bytcr_wm5102_ssp0_map[] = { {"AIF1 Playback", NULL, "ssp0 Tx"}, {"ssp0 Tx", NULL, "modem_out"}, {"modem_in", NULL, "ssp0 Rx"}, {"ssp0 Rx", NULL, "AIF1 Capture"}, }; static const struct snd_soc_dapm_route bytcr_wm5102_ssp2_map[] = { {"AIF1 Playback", NULL, "ssp2 Tx"}, {"ssp2 Tx", NULL, "codec_out0"}, {"ssp2 Tx", NULL, "codec_out1"}, {"codec_in0", NULL, "ssp2 Rx"}, {"codec_in1", NULL, "ssp2 Rx"}, {"ssp2 Rx", NULL, "AIF1 Capture"}, }; static const struct snd_soc_dapm_route byt_wm5102_spk_spk_map[] = { {"Speaker", NULL, "SPKOUTLP"}, {"Speaker", NULL, "SPKOUTLN"}, {"Speaker", NULL, "SPKOUTRP"}, {"Speaker", NULL, "SPKOUTRN"}, }; static const struct snd_soc_dapm_route byt_wm5102_spk_hpout2_map[] = { {"Speaker", NULL, "HPOUT2L"}, {"Speaker", NULL, "HPOUT2R"}, }; static const struct snd_soc_dapm_route byt_wm5102_intmic_in3l_hsmic_in1l_map[] = { {"IN3L", NULL, "Internal Mic"}, {"IN1L", NULL, "Headset Mic"}, }; static const struct snd_soc_dapm_route byt_wm5102_intmic_in1l_hsmic_in2l_map[] = { {"IN1L", NULL, "Internal Mic"}, {"IN2L", NULL, "Headset Mic"}, }; static const struct snd_kcontrol_new byt_wm5102_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Internal Mic"), SOC_DAPM_PIN_SWITCH("Speaker"), SOC_DAPM_PIN_SWITCH("Line Out"), }; static struct snd_soc_jack_pin byt_wm5102_pins[] = { { .pin = "Headphone", .mask = SND_JACK_HEADPHONE, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, { .pin = "Line Out", .mask = SND_JACK_LINEOUT, }, }; static int byt_wm5102_init(struct snd_soc_pcm_runtime *runtime) { struct snd_soc_card *card = runtime->card; struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card); struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component; const struct snd_soc_dapm_route *custom_map = NULL; int ret, jack_type, num_routes = 0; card->dapm.idle_bias_off = true; ret = snd_soc_add_card_controls(card, byt_wm5102_controls, ARRAY_SIZE(byt_wm5102_controls)); if (ret) { dev_err(card->dev, "Error adding card controls: %d\n", ret); return ret; } switch (quirk & BYT_WM5102_IN_MAP) { case BYT_WM5102_INTMIC_IN3L_HSMIC_IN1L: custom_map = byt_wm5102_intmic_in3l_hsmic_in1l_map; num_routes = ARRAY_SIZE(byt_wm5102_intmic_in3l_hsmic_in1l_map); break; case BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L: custom_map = byt_wm5102_intmic_in1l_hsmic_in2l_map; num_routes = ARRAY_SIZE(byt_wm5102_intmic_in1l_hsmic_in2l_map); break; } ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); if (ret) return ret; switch (quirk & BYT_WM5102_OUT_MAP) { case BYT_WM5102_SPK_SPK_MAP: custom_map = byt_wm5102_spk_spk_map; num_routes = ARRAY_SIZE(byt_wm5102_spk_spk_map); break; case BYT_WM5102_SPK_HPOUT2_MAP: custom_map = byt_wm5102_spk_hpout2_map; num_routes = ARRAY_SIZE(byt_wm5102_spk_hpout2_map); break; } ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); if (ret) return ret; if (quirk & BYT_WM5102_SSP2) { custom_map = bytcr_wm5102_ssp2_map; num_routes = ARRAY_SIZE(bytcr_wm5102_ssp2_map); } else { custom_map = bytcr_wm5102_ssp0_map; num_routes = ARRAY_SIZE(bytcr_wm5102_ssp0_map); } ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); if (ret) return ret; if (quirk & BYT_WM5102_MCLK_19_2MHZ) priv->mclk_freq = 19200000; else priv->mclk_freq = 25000000; /* * The firmware might enable the clock at boot (this information * may or may not be reflected in the enable clock register). * To change the rate we must disable the clock first to cover these * cases. Due to common clock framework restrictions that do not allow * to disable a clock that has not been enabled, we need to enable * the clock first. */ ret = clk_prepare_enable(priv->mclk); if (!ret) clk_disable_unprepare(priv->mclk); ret = clk_set_rate(priv->mclk, priv->mclk_freq); if (ret) { dev_err(card->dev, "Error setting MCLK rate: %d\n", ret); return ret; } jack_type = ARIZONA_JACK_MASK | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3; ret = snd_soc_card_jack_new_pins(card, "Headset", jack_type, &priv->jack, byt_wm5102_pins, ARRAY_SIZE(byt_wm5102_pins)); if (ret) { dev_err(card->dev, "Error creating jack: %d\n", ret); return ret; } snd_soc_component_set_jack(component, &priv->jack, NULL); return 0; } static int byt_wm5102_codec_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct snd_interval *rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); int ret, bits; /* The DSP will convert the FE rate to 48k, stereo */ rate->min = 48000; rate->max = 48000; channels->min = 2; channels->max = 2; if (quirk & BYT_WM5102_SSP2) { /* set SSP2 to 24-bit */ params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); bits = 24; } else { /* set SSP0 to 16-bit */ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE); bits = 16; } /* * Default mode for SSP configuration is TDM 4 slot, override config * with explicit setting to I2S 2ch 16-bit. The word length is set with * dai_set_tdm_slot() since there is no other API exposed */ ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0), SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_BP_FP); if (ret) { dev_err(rtd->dev, "Error setting format to I2S: %d\n", ret); return ret; } ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits); if (ret) { dev_err(rtd->dev, "Error setting I2S config: %d\n", ret); return ret; } return 0; } static int byt_wm5102_aif1_startup(struct snd_pcm_substream *substream) { return snd_pcm_hw_constraint_single(substream->runtime, SNDRV_PCM_HW_PARAM_RATE, 48000); } static const struct snd_soc_ops byt_wm5102_aif1_ops = { .startup = byt_wm5102_aif1_startup, }; SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY())); SND_SOC_DAILINK_DEF(media, DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai"))); SND_SOC_DAILINK_DEF(deepbuffer, DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai"))); SND_SOC_DAILINK_DEF(ssp0_port, DAILINK_COMP_ARRAY(COMP_CPU("ssp0-port"))); SND_SOC_DAILINK_DEF(ssp0_codec, DAILINK_COMP_ARRAY(COMP_CODEC( /* * Note there is no need to overwrite the codec-name as is done in * other bytcr machine drivers, because the codec is a MFD child-dev. */ "wm5102-codec", "wm5102-aif1"))); SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform"))); static struct snd_soc_dai_link byt_wm5102_dais[] = { [MERR_DPCM_AUDIO] = { .name = "Baytrail Audio Port", .stream_name = "Baytrail Audio", .nonatomic = true, .dynamic = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ops = &byt_wm5102_aif1_ops, SND_SOC_DAILINK_REG(media, dummy, platform), }, [MERR_DPCM_DEEP_BUFFER] = { .name = "Deep-Buffer Audio Port", .stream_name = "Deep-Buffer Audio", .nonatomic = true, .dynamic = 1, .dpcm_playback = 1, .ops = &byt_wm5102_aif1_ops, SND_SOC_DAILINK_REG(deepbuffer, dummy, platform), }, /* back ends */ { /* * This dailink is updated dynamically to point to SSP0 or SSP2. * Yet its name is always kept as "SSP2-Codec" because the SOF * tplg files hardcode "SSP2-Codec" even in byt-foo-ssp0.tplg. */ .name = "SSP2-Codec", .id = 0, .no_pcm = 1, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBC_CFC, .be_hw_params_fixup = byt_wm5102_codec_fixup, .dpcm_playback = 1, .dpcm_capture = 1, .init = byt_wm5102_init, SND_SOC_DAILINK_REG(ssp0_port, ssp0_codec, platform), }, }; /* use space before codec name to simplify card ID, and simplify driver name */ #define SOF_CARD_NAME "bytcht wm5102" /* card name will be 'sof-bytcht wm5102' */ #define SOF_DRIVER_NAME "SOF" #define CARD_NAME "bytcr-wm5102" #define DRIVER_NAME NULL /* card name will be used for driver name */ /* SoC card */ static struct snd_soc_card byt_wm5102_card = { .owner = THIS_MODULE, .dai_link = byt_wm5102_dais, .num_links = ARRAY_SIZE(byt_wm5102_dais), .dapm_widgets = byt_wm5102_widgets, .num_dapm_widgets = ARRAY_SIZE(byt_wm5102_widgets), .dapm_routes = byt_wm5102_audio_map, .num_dapm_routes = ARRAY_SIZE(byt_wm5102_audio_map), .fully_routed = true, }; static char byt_wm5102_components[64]; /* = "cfg-spk:* cfg-int-mic:* cfg-hs-mic:* ..." */ static int snd_byt_wm5102_mc_probe(struct platform_device *pdev) { static const char * const out_map_name[] = { "spk", "hpout2" }; static const char * const intmic_map_name[] = { "in3l", "in1l" }; static const char * const hsmic_map_name[] = { "in1l", "in2l" }; char codec_name[SND_ACPI_I2C_ID_LEN]; struct device *dev = &pdev->dev; struct byt_wm5102_private *priv; struct snd_soc_acpi_mach *mach; const char *platform_name; struct acpi_device *adev; struct device *codec_dev; int dai_index = 0; bool sof_parent; int i, ret; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; /* Get MCLK */ priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3"); if (IS_ERR(priv->mclk)) return dev_err_probe(dev, PTR_ERR(priv->mclk), "getting pmc_plt_clk_3\n"); /* * Get speaker VDD enable GPIO: * 1. Get codec-device-name * 2. Get codec-device * 3. Get GPIO from codec-device */ mach = dev->platform_data; adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1); if (adev) { snprintf(codec_name, sizeof(codec_name), "spi-%s", acpi_dev_name(adev)); acpi_dev_put(adev); } else { /* Special case for when the codec is missing from the DSTD */ strscpy(codec_name, "spi1.0", sizeof(codec_name)); } codec_dev = bus_find_device_by_name(&spi_bus_type, NULL, codec_name); if (!codec_dev) return -EPROBE_DEFER; /* Note no devm_ here since we call gpiod_get on codec_dev rather then dev */ priv->spkvdd_en_gpio = gpiod_get(codec_dev, "wlf,spkvdd-ena", GPIOD_OUT_LOW); put_device(codec_dev); if (IS_ERR(priv->spkvdd_en_gpio)) { ret = PTR_ERR(priv->spkvdd_en_gpio); /* * The spkvdd gpio-lookup is registered by: drivers/mfd/arizona-spi.c, * so -ENOENT means that arizona-spi hasn't probed yet. */ if (ret == -ENOENT) ret = -EPROBE_DEFER; return dev_err_probe(dev, ret, "getting spkvdd-GPIO\n"); } if (soc_intel_is_cht()) { /* * CHT always uses SSP2 and 19.2 MHz; and * the one currently supported CHT design uses HPOUT2 as * speaker output and has the intmic on IN1L + hsmic on IN2L. */ quirk = BYT_WM5102_SSP2 | BYT_WM5102_MCLK_19_2MHZ | BYT_WM5102_INTMIC_IN1L_HSMIC_IN2L | BYT_WM5102_SPK_HPOUT2_MAP; } if (quirk_override != -1) { dev_info_once(dev, "Overriding quirk 0x%lx => 0x%x\n", quirk, quirk_override); quirk = quirk_override; } log_quirks(dev); snprintf(byt_wm5102_components, sizeof(byt_wm5102_components), "cfg-spk:%s cfg-intmic:%s cfg-hsmic:%s", out_map_name[FIELD_GET(BYT_WM5102_OUT_MAP, quirk)], intmic_map_name[FIELD_GET(BYT_WM5102_IN_MAP, quirk)], hsmic_map_name[FIELD_GET(BYT_WM5102_IN_MAP, quirk)]); byt_wm5102_card.components = byt_wm5102_components; /* find index of codec dai */ for (i = 0; i < ARRAY_SIZE(byt_wm5102_dais); i++) { if (byt_wm5102_dais[i].codecs->name && !strcmp(byt_wm5102_dais[i].codecs->name, "wm5102-codec")) { dai_index = i; break; } } /* override platform name, if required */ byt_wm5102_card.dev = dev; platform_name = mach->mach_params.platform; ret = snd_soc_fixup_dai_links_platform_name(&byt_wm5102_card, platform_name); if (ret) goto out_put_gpio; /* override SSP port, if required */ if (quirk & BYT_WM5102_SSP2) byt_wm5102_dais[dai_index].cpus->dai_name = "ssp2-port"; /* set card and driver name and pm-ops */ sof_parent = snd_soc_acpi_sof_parent(dev); if (sof_parent) { byt_wm5102_card.name = SOF_CARD_NAME; byt_wm5102_card.driver_name = SOF_DRIVER_NAME; dev->driver->pm = &snd_soc_pm_ops; } else { byt_wm5102_card.name = CARD_NAME; byt_wm5102_card.driver_name = DRIVER_NAME; } snd_soc_card_set_drvdata(&byt_wm5102_card, priv); ret = devm_snd_soc_register_card(dev, &byt_wm5102_card); if (ret) { dev_err_probe(dev, ret, "registering card\n"); goto out_put_gpio; } platform_set_drvdata(pdev, &byt_wm5102_card); return 0; out_put_gpio: gpiod_put(priv->spkvdd_en_gpio); return ret; } static void snd_byt_wm5102_mc_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct byt_wm5102_private *priv = snd_soc_card_get_drvdata(card); gpiod_put(priv->spkvdd_en_gpio); } static struct platform_driver snd_byt_wm5102_mc_driver = { .driver = { .name = "bytcr_wm5102", }, .probe = snd_byt_wm5102_mc_probe, .remove_new = snd_byt_wm5102_mc_remove, }; module_platform_driver(snd_byt_wm5102_mc_driver); MODULE_DESCRIPTION("ASoC Baytrail with WM5102 codec machine driver"); MODULE_AUTHOR("Hans de Goede <hdegoede@redhat.com>"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:bytcr_wm5102"); |