1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2018 Intel Corporation. All rights reserved. 7 // 8 // Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9 // Ranjani Sridharan <ranjani.sridharan@linux.intel.com> 10 // Rander Wang <rander.wang@intel.com> 11 // Keyon Jie <yang.jie@linux.intel.com> 12 // 13 14 /* 15 * Hardware interface for generic Intel audio DSP HDA IP 16 */ 17 18 #include <sound/hdaudio_ext.h> 19 #include <sound/hda_register.h> 20 21 #include <linux/acpi.h> 22 #include <linux/module.h> 23 #include <linux/soundwire/sdw.h> 24 #include <linux/soundwire/sdw_intel.h> 25 #include <sound/intel-dsp-config.h> 26 #include <sound/intel-nhlt.h> 27 #include <sound/sof.h> 28 #include <sound/sof/xtensa.h> 29 #include "../sof-audio.h" 30 #include "../sof-pci-dev.h" 31 #include "../ops.h" 32 #include "hda.h" 33 34 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 35 #include <sound/soc-acpi-intel-match.h> 36 #endif 37 38 /* platform specific devices */ 39 #include "shim.h" 40 41 #define EXCEPT_MAX_HDR_SIZE 0x400 42 #define HDA_EXT_ROM_STATUS_SIZE 8 43 44 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 45 46 /* 47 * The default for SoundWire clock stop quirks is to power gate the IP 48 * and do a Bus Reset, this will need to be modified when the DSP 49 * needs to remain in D0i3 so that the Master does not lose context 50 * and enumeration is not required on clock restart 51 */ 52 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; 53 module_param(sdw_clock_stop_quirks, int, 0444); 54 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); 55 56 static int sdw_params_stream(struct device *dev, 57 struct sdw_intel_stream_params_data *params_data) 58 { 59 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 60 struct snd_soc_dai *d = params_data->dai; 61 struct sof_ipc_dai_config config; 62 struct sof_ipc_reply reply; 63 int link_id = params_data->link_id; 64 int alh_stream_id = params_data->alh_stream_id; 65 int ret; 66 u32 size = sizeof(config); 67 68 memset(&config, 0, size); 69 config.hdr.size = size; 70 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; 71 config.type = SOF_DAI_INTEL_ALH; 72 config.dai_index = (link_id << 8) | (d->id); 73 config.alh.stream_id = alh_stream_id; 74 75 /* send message to DSP */ 76 ret = sof_ipc_tx_message(sdev->ipc, 77 config.hdr.cmd, &config, size, &reply, 78 sizeof(reply)); 79 if (ret < 0) { 80 dev_err(sdev->dev, 81 "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n", 82 link_id, d->id, alh_stream_id); 83 } 84 85 return ret; 86 } 87 88 static int sdw_free_stream(struct device *dev, 89 struct sdw_intel_stream_free_data *free_data) 90 { 91 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 92 struct snd_soc_dai *d = free_data->dai; 93 struct sof_ipc_dai_config config; 94 struct sof_ipc_reply reply; 95 int link_id = free_data->link_id; 96 int ret; 97 u32 size = sizeof(config); 98 99 memset(&config, 0, size); 100 config.hdr.size = size; 101 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; 102 config.type = SOF_DAI_INTEL_ALH; 103 config.dai_index = (link_id << 8) | d->id; 104 config.alh.stream_id = 0xFFFF; /* invalid value on purpose */ 105 106 /* send message to DSP */ 107 ret = sof_ipc_tx_message(sdev->ipc, 108 config.hdr.cmd, &config, size, &reply, 109 sizeof(reply)); 110 if (ret < 0) { 111 dev_err(sdev->dev, 112 "error: failed to free stream for link %d dai->id %d\n", 113 link_id, d->id); 114 } 115 116 return ret; 117 } 118 119 static const struct sdw_intel_ops sdw_callback = { 120 .params_stream = sdw_params_stream, 121 .free_stream = sdw_free_stream, 122 }; 123 124 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 125 { 126 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 127 } 128 129 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 130 { 131 struct sof_intel_hda_dev *hdev; 132 acpi_handle handle; 133 int ret; 134 135 handle = ACPI_HANDLE(sdev->dev); 136 137 /* save ACPI info for the probe step */ 138 hdev = sdev->pdata->hw_pdata; 139 140 ret = sdw_intel_acpi_scan(handle, &hdev->info); 141 if (ret < 0) 142 return -EINVAL; 143 144 return 0; 145 } 146 147 static int hda_sdw_probe(struct snd_sof_dev *sdev) 148 { 149 struct sof_intel_hda_dev *hdev; 150 struct sdw_intel_res res; 151 void *sdw; 152 153 hdev = sdev->pdata->hw_pdata; 154 155 memset(&res, 0, sizeof(res)); 156 157 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 158 res.irq = sdev->ipc_irq; 159 res.handle = hdev->info.handle; 160 res.parent = sdev->dev; 161 res.ops = &sdw_callback; 162 res.dev = sdev->dev; 163 res.clock_stop_quirks = sdw_clock_stop_quirks; 164 165 /* 166 * ops and arg fields are not populated for now, 167 * they will be needed when the DAI callbacks are 168 * provided 169 */ 170 171 /* we could filter links here if needed, e.g for quirks */ 172 res.count = hdev->info.count; 173 res.link_mask = hdev->info.link_mask; 174 175 sdw = sdw_intel_probe(&res); 176 if (!sdw) { 177 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 178 return -EINVAL; 179 } 180 181 /* save context */ 182 hdev->sdw = sdw; 183 184 return 0; 185 } 186 187 int hda_sdw_startup(struct snd_sof_dev *sdev) 188 { 189 struct sof_intel_hda_dev *hdev; 190 191 hdev = sdev->pdata->hw_pdata; 192 193 if (!hdev->sdw) 194 return 0; 195 196 return sdw_intel_startup(hdev->sdw); 197 } 198 199 static int hda_sdw_exit(struct snd_sof_dev *sdev) 200 { 201 struct sof_intel_hda_dev *hdev; 202 203 hdev = sdev->pdata->hw_pdata; 204 205 hda_sdw_int_enable(sdev, false); 206 207 if (hdev->sdw) 208 sdw_intel_exit(hdev->sdw); 209 hdev->sdw = NULL; 210 211 return 0; 212 } 213 214 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 215 { 216 struct sof_intel_hda_dev *hdev; 217 bool ret = false; 218 u32 irq_status; 219 220 hdev = sdev->pdata->hw_pdata; 221 222 if (!hdev->sdw) 223 return ret; 224 225 /* store status */ 226 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 227 228 /* invalid message ? */ 229 if (irq_status == 0xffffffff) 230 goto out; 231 232 /* SDW message ? */ 233 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 234 ret = true; 235 236 out: 237 return ret; 238 } 239 240 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 241 { 242 return sdw_intel_thread(irq, context); 243 } 244 245 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 246 { 247 struct sof_intel_hda_dev *hdev; 248 249 hdev = sdev->pdata->hw_pdata; 250 if (hdev->sdw && 251 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 252 HDA_DSP_REG_SNDW_WAKE_STS)) 253 return true; 254 255 return false; 256 } 257 258 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 259 { 260 struct sof_intel_hda_dev *hdev; 261 262 hdev = sdev->pdata->hw_pdata; 263 if (!hdev->sdw) 264 return; 265 266 sdw_intel_process_wakeen_event(hdev->sdw); 267 } 268 269 #endif 270 271 /* 272 * Debug 273 */ 274 275 struct hda_dsp_msg_code { 276 u32 code; 277 const char *msg; 278 }; 279 280 static bool hda_use_msi = IS_ENABLED(CONFIG_PCI); 281 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 282 module_param_named(use_msi, hda_use_msi, bool, 0444); 283 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 284 #endif 285 286 static char *hda_model; 287 module_param(hda_model, charp, 0444); 288 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 289 290 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 291 static int hda_dmic_num = -1; 292 module_param_named(dmic_num, hda_dmic_num, int, 0444); 293 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 294 #endif 295 296 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 297 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 298 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 299 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 300 #endif 301 302 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 303 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 304 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 305 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 306 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 307 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 308 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 309 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 310 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 311 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 312 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 313 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 314 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 315 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 316 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 317 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 318 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 319 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 320 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 321 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 322 }; 323 324 static void hda_dsp_get_status(struct snd_sof_dev *sdev) 325 { 326 u32 status; 327 int i; 328 329 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 330 HDA_DSP_SRAM_REG_ROM_STATUS); 331 332 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 333 if (status == hda_dsp_rom_msg[i].code) { 334 dev_err(sdev->dev, "%s - code %8.8x\n", 335 hda_dsp_rom_msg[i].msg, status); 336 return; 337 } 338 } 339 340 /* not for us, must be generic sof message */ 341 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 342 } 343 344 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 345 struct sof_ipc_dsp_oops_xtensa *xoops, 346 struct sof_ipc_panic_info *panic_info, 347 u32 *stack, size_t stack_words) 348 { 349 u32 offset = sdev->dsp_oops_offset; 350 351 /* first read registers */ 352 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 353 354 /* note: variable AR register array is not read */ 355 356 /* then get panic info */ 357 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 358 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 359 xoops->arch_hdr.totalsize); 360 return; 361 } 362 offset += xoops->arch_hdr.totalsize; 363 sof_block_read(sdev, sdev->mmio_bar, offset, 364 panic_info, sizeof(*panic_info)); 365 366 /* then get the stack */ 367 offset += sizeof(*panic_info); 368 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 369 stack_words * sizeof(u32)); 370 } 371 372 /* dump the first 8 dwords representing the extended ROM status */ 373 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags) 374 { 375 char msg[128]; 376 int len = 0; 377 u32 value; 378 int i; 379 380 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 381 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); 382 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 383 } 384 385 sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL, 386 "extended rom status: %s", msg); 387 388 } 389 390 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 391 { 392 struct sof_ipc_dsp_oops_xtensa xoops; 393 struct sof_ipc_panic_info panic_info; 394 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 395 u32 status, panic; 396 397 /* try APL specific status message types first */ 398 hda_dsp_get_status(sdev); 399 400 /* now try generic SOF status messages */ 401 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 402 HDA_DSP_SRAM_REG_FW_STATUS); 403 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 404 405 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { 406 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 407 HDA_DSP_STACK_DUMP_SIZE); 408 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 409 stack, HDA_DSP_STACK_DUMP_SIZE); 410 } else { 411 sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL, 412 "status = 0x%8.8x panic = 0x%8.8x\n", 413 status, panic); 414 415 hda_dsp_dump_ext_rom_status(sdev, flags); 416 hda_dsp_get_status(sdev); 417 } 418 } 419 420 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 421 { 422 struct hdac_bus *bus = sof_to_bus(sdev); 423 u32 adspis; 424 u32 intsts; 425 u32 intctl; 426 u32 ppsts; 427 u8 rirbsts; 428 429 /* read key IRQ stats and config registers */ 430 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 431 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 432 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 433 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 434 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 435 436 dev_err(sdev->dev, 437 "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 438 intsts, intctl, rirbsts); 439 dev_err(sdev->dev, 440 "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", 441 ppsts, adspis); 442 } 443 444 void hda_ipc_dump(struct snd_sof_dev *sdev) 445 { 446 u32 hipcie; 447 u32 hipct; 448 u32 hipcctl; 449 450 hda_ipc_irq_dump(sdev); 451 452 /* read IPC status */ 453 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 454 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 455 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 456 457 /* dump the IPC regs */ 458 /* TODO: parse the raw msg */ 459 dev_err(sdev->dev, 460 "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 461 hipcie, hipct, hipcctl); 462 } 463 464 static int hda_init(struct snd_sof_dev *sdev) 465 { 466 struct hda_bus *hbus; 467 struct hdac_bus *bus; 468 struct pci_dev *pci = to_pci_dev(sdev->dev); 469 int ret; 470 471 hbus = sof_to_hbus(sdev); 472 bus = sof_to_bus(sdev); 473 474 /* HDA bus init */ 475 sof_hda_bus_init(bus, &pci->dev); 476 477 bus->use_posbuf = 1; 478 bus->bdl_pos_adj = 0; 479 bus->sync_write = 1; 480 481 mutex_init(&hbus->prepare_mutex); 482 hbus->pci = pci; 483 hbus->mixer_assigned = -1; 484 hbus->modelname = hda_model; 485 486 /* initialise hdac bus */ 487 bus->addr = pci_resource_start(pci, 0); 488 #if IS_ENABLED(CONFIG_PCI) 489 bus->remap_addr = pci_ioremap_bar(pci, 0); 490 #endif 491 if (!bus->remap_addr) { 492 dev_err(bus->dev, "error: ioremap error\n"); 493 return -ENXIO; 494 } 495 496 /* HDA base */ 497 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 498 499 /* init i915 and HDMI codecs */ 500 ret = hda_codec_i915_init(sdev); 501 if (ret < 0) 502 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 503 504 /* get controller capabilities */ 505 ret = hda_dsp_ctrl_get_caps(sdev); 506 if (ret < 0) 507 dev_err(sdev->dev, "error: get caps error\n"); 508 509 return ret; 510 } 511 512 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 513 514 static int check_nhlt_dmic(struct snd_sof_dev *sdev) 515 { 516 struct nhlt_acpi_table *nhlt; 517 int dmic_num; 518 519 nhlt = intel_nhlt_init(sdev->dev); 520 if (nhlt) { 521 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 522 intel_nhlt_free(nhlt); 523 if (dmic_num >= 1 && dmic_num <= 4) 524 return dmic_num; 525 } 526 527 return 0; 528 } 529 530 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 531 const char *sof_tplg_filename, 532 const char *idisp_str, 533 const char *dmic_str) 534 { 535 const char *tplg_filename = NULL; 536 char *filename, *tmp; 537 const char *split_ext; 538 539 filename = kstrdup(sof_tplg_filename, GFP_KERNEL); 540 if (!filename) 541 return NULL; 542 543 /* this assumes a .tplg extension */ 544 tmp = filename; 545 split_ext = strsep(&tmp, "."); 546 if (split_ext) 547 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 548 "%s%s%s.tplg", 549 split_ext, idisp_str, dmic_str); 550 kfree(filename); 551 552 return tplg_filename; 553 } 554 555 static int dmic_topology_fixup(struct snd_sof_dev *sdev, 556 const char **tplg_filename, 557 const char *idisp_str, 558 int *dmic_found) 559 { 560 const char *default_tplg_filename = *tplg_filename; 561 const char *fixed_tplg_filename; 562 const char *dmic_str; 563 int dmic_num; 564 565 /* first check NHLT for DMICs */ 566 dmic_num = check_nhlt_dmic(sdev); 567 568 /* allow for module parameter override */ 569 if (hda_dmic_num != -1) { 570 dev_dbg(sdev->dev, 571 "overriding DMICs detected in NHLT tables %d by kernel param %d\n", 572 dmic_num, hda_dmic_num); 573 dmic_num = hda_dmic_num; 574 } 575 576 switch (dmic_num) { 577 case 1: 578 dmic_str = "-1ch"; 579 break; 580 case 2: 581 dmic_str = "-2ch"; 582 break; 583 case 3: 584 dmic_str = "-3ch"; 585 break; 586 case 4: 587 dmic_str = "-4ch"; 588 break; 589 default: 590 dmic_num = 0; 591 dmic_str = ""; 592 break; 593 } 594 595 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, 596 idisp_str, dmic_str); 597 if (!fixed_tplg_filename) 598 return -ENOMEM; 599 600 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); 601 *dmic_found = dmic_num; 602 *tplg_filename = fixed_tplg_filename; 603 604 return 0; 605 } 606 #endif 607 608 static int hda_init_caps(struct snd_sof_dev *sdev) 609 { 610 struct hdac_bus *bus = sof_to_bus(sdev); 611 struct snd_sof_pdata *pdata = sdev->pdata; 612 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 613 struct hdac_ext_link *hlink; 614 #endif 615 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 616 u32 link_mask; 617 int ret = 0; 618 619 device_disable_async_suspend(bus->dev); 620 621 /* check if dsp is there */ 622 if (bus->ppcap) 623 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 624 625 /* Init HDA controller after i915 init */ 626 ret = hda_dsp_ctrl_init_chip(sdev, true); 627 if (ret < 0) { 628 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 629 ret); 630 return ret; 631 } 632 633 /* scan SoundWire capabilities exposed by DSDT */ 634 ret = hda_sdw_acpi_scan(sdev); 635 if (ret < 0) { 636 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 637 goto skip_soundwire; 638 } 639 640 link_mask = hdev->info.link_mask; 641 if (!link_mask) { 642 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 643 goto skip_soundwire; 644 } 645 646 /* 647 * probe/allocate SoundWire resources. 648 * The hardware configuration takes place in hda_sdw_startup 649 * after power rails are enabled. 650 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 651 * devices, so we allocate the resources in all cases. 652 */ 653 ret = hda_sdw_probe(sdev); 654 if (ret < 0) { 655 dev_err(sdev->dev, "error: SoundWire probe error\n"); 656 return ret; 657 } 658 659 skip_soundwire: 660 661 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 662 if (bus->mlcap) 663 snd_hdac_ext_bus_get_ml_capabilities(bus); 664 665 /* create codec instances */ 666 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 667 668 if (!HDA_IDISP_CODEC(bus->codec_mask)) 669 hda_codec_i915_display_power(sdev, false); 670 671 /* 672 * we are done probing so decrement link counts 673 */ 674 list_for_each_entry(hlink, &bus->hlink_list, list) 675 snd_hdac_ext_bus_link_put(bus, hlink); 676 #endif 677 return 0; 678 } 679 680 static const struct sof_intel_dsp_desc 681 *get_chip_info(struct snd_sof_pdata *pdata) 682 { 683 const struct sof_dev_desc *desc = pdata->desc; 684 const struct sof_intel_dsp_desc *chip_info; 685 686 chip_info = desc->chip_info; 687 688 return chip_info; 689 } 690 691 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 692 { 693 struct snd_sof_dev *sdev = context; 694 695 /* 696 * Get global interrupt status. It includes all hardware interrupt 697 * sources in the Intel HD Audio controller. 698 */ 699 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 700 SOF_HDA_INTSTS_GIS) { 701 702 /* disable GIE interrupt */ 703 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 704 SOF_HDA_INTCTL, 705 SOF_HDA_INT_GLOBAL_EN, 706 0); 707 708 return IRQ_WAKE_THREAD; 709 } 710 711 return IRQ_NONE; 712 } 713 714 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 715 { 716 struct snd_sof_dev *sdev = context; 717 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 718 719 /* deal with streams and controller first */ 720 if (hda_dsp_check_stream_irq(sdev)) 721 hda_dsp_stream_threaded_handler(irq, sdev); 722 723 if (hda_dsp_check_ipc_irq(sdev)) 724 sof_ops(sdev)->irq_thread(irq, sdev); 725 726 if (hda_dsp_check_sdw_irq(sdev)) 727 hda_dsp_sdw_thread(irq, hdev->sdw); 728 729 if (hda_sdw_check_wakeen_irq(sdev)) 730 hda_sdw_process_wakeen(sdev); 731 732 /* enable GIE interrupt */ 733 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 734 SOF_HDA_INTCTL, 735 SOF_HDA_INT_GLOBAL_EN, 736 SOF_HDA_INT_GLOBAL_EN); 737 738 return IRQ_HANDLED; 739 } 740 741 int hda_dsp_probe(struct snd_sof_dev *sdev) 742 { 743 struct pci_dev *pci = to_pci_dev(sdev->dev); 744 struct sof_intel_hda_dev *hdev; 745 struct hdac_bus *bus; 746 const struct sof_intel_dsp_desc *chip; 747 int ret = 0; 748 749 /* 750 * detect DSP by checking class/subclass/prog-id information 751 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 752 * class=04 subclass 01 prog-if 00: DSP is present 753 * (and may be required e.g. for DMIC or SSP support) 754 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 755 */ 756 if (pci->class == 0x040300) { 757 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 758 return -ENODEV; 759 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 760 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 761 return -ENODEV; 762 } 763 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 764 765 chip = get_chip_info(sdev->pdata); 766 if (!chip) { 767 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 768 pci->device); 769 ret = -EIO; 770 goto err; 771 } 772 773 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 774 if (!hdev) 775 return -ENOMEM; 776 sdev->pdata->hw_pdata = hdev; 777 hdev->desc = chip; 778 779 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 780 PLATFORM_DEVID_NONE, 781 NULL, 0); 782 if (IS_ERR(hdev->dmic_dev)) { 783 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 784 return PTR_ERR(hdev->dmic_dev); 785 } 786 787 /* 788 * use position update IPC if either it is forced 789 * or we don't have other choice 790 */ 791 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 792 hdev->no_ipc_position = 0; 793 #else 794 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 795 #endif 796 797 /* set up HDA base */ 798 bus = sof_to_bus(sdev); 799 ret = hda_init(sdev); 800 if (ret < 0) 801 goto hdac_bus_unmap; 802 803 /* DSP base */ 804 #if IS_ENABLED(CONFIG_PCI) 805 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 806 #endif 807 if (!sdev->bar[HDA_DSP_BAR]) { 808 dev_err(sdev->dev, "error: ioremap error\n"); 809 ret = -ENXIO; 810 goto hdac_bus_unmap; 811 } 812 813 sdev->mmio_bar = HDA_DSP_BAR; 814 sdev->mailbox_bar = HDA_DSP_BAR; 815 816 /* allow 64bit DMA address if supported by H/W */ 817 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 818 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 819 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 820 } 821 822 /* init streams */ 823 ret = hda_dsp_stream_init(sdev); 824 if (ret < 0) { 825 dev_err(sdev->dev, "error: failed to init streams\n"); 826 /* 827 * not all errors are due to memory issues, but trying 828 * to free everything does not harm 829 */ 830 goto free_streams; 831 } 832 833 /* 834 * register our IRQ 835 * let's try to enable msi firstly 836 * if it fails, use legacy interrupt mode 837 * TODO: support msi multiple vectors 838 */ 839 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 840 dev_info(sdev->dev, "use msi interrupt mode\n"); 841 sdev->ipc_irq = pci_irq_vector(pci, 0); 842 /* initialised to "false" by kzalloc() */ 843 sdev->msi_enabled = true; 844 } 845 846 if (!sdev->msi_enabled) { 847 dev_info(sdev->dev, "use legacy interrupt mode\n"); 848 /* 849 * in IO-APIC mode, hda->irq and ipc_irq are using the same 850 * irq number of pci->irq 851 */ 852 sdev->ipc_irq = pci->irq; 853 } 854 855 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 856 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 857 hda_dsp_interrupt_thread, 858 IRQF_SHARED, "AudioDSP", sdev); 859 if (ret < 0) { 860 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 861 sdev->ipc_irq); 862 goto free_irq_vector; 863 } 864 865 pci_set_master(pci); 866 synchronize_irq(pci->irq); 867 868 /* 869 * clear TCSEL to clear playback on some HD Audio 870 * codecs. PCI TCSEL is defined in the Intel manuals. 871 */ 872 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 873 874 /* init HDA capabilities */ 875 ret = hda_init_caps(sdev); 876 if (ret < 0) 877 goto free_ipc_irq; 878 879 /* enable ppcap interrupt */ 880 hda_dsp_ctrl_ppcap_enable(sdev, true); 881 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 882 883 /* set default mailbox offset for FW ready message */ 884 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 885 886 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 887 888 return 0; 889 890 free_ipc_irq: 891 free_irq(sdev->ipc_irq, sdev); 892 free_irq_vector: 893 if (sdev->msi_enabled) 894 pci_free_irq_vectors(pci); 895 free_streams: 896 hda_dsp_stream_free(sdev); 897 /* dsp_unmap: not currently used */ 898 iounmap(sdev->bar[HDA_DSP_BAR]); 899 hdac_bus_unmap: 900 iounmap(bus->remap_addr); 901 hda_codec_i915_exit(sdev); 902 err: 903 return ret; 904 } 905 906 int hda_dsp_remove(struct snd_sof_dev *sdev) 907 { 908 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 909 struct hdac_bus *bus = sof_to_bus(sdev); 910 struct pci_dev *pci = to_pci_dev(sdev->dev); 911 const struct sof_intel_dsp_desc *chip = hda->desc; 912 913 /* cancel any attempt for DSP D0I3 */ 914 cancel_delayed_work_sync(&hda->d0i3_work); 915 916 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 917 /* codec removal, invoke bus_device_remove */ 918 snd_hdac_ext_bus_device_remove(bus); 919 #endif 920 921 hda_sdw_exit(sdev); 922 923 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 924 platform_device_unregister(hda->dmic_dev); 925 926 /* disable DSP IRQ */ 927 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 928 SOF_HDA_PPCTL_PIE, 0); 929 930 /* disable CIE and GIE interrupts */ 931 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 932 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 933 934 /* disable cores */ 935 if (chip) 936 snd_sof_dsp_core_power_down(sdev, chip->host_managed_cores_mask); 937 938 /* disable DSP */ 939 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 940 SOF_HDA_PPCTL_GPROCEN, 0); 941 942 free_irq(sdev->ipc_irq, sdev); 943 if (sdev->msi_enabled) 944 pci_free_irq_vectors(pci); 945 946 hda_dsp_stream_free(sdev); 947 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 948 snd_hdac_link_free_all(bus); 949 #endif 950 951 iounmap(sdev->bar[HDA_DSP_BAR]); 952 iounmap(bus->remap_addr); 953 954 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 955 snd_hdac_ext_bus_exit(bus); 956 #endif 957 hda_codec_i915_exit(sdev); 958 959 return 0; 960 } 961 962 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 963 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 964 { 965 struct hdac_bus *bus = sof_to_bus(sdev); 966 struct snd_soc_acpi_mach_params *mach_params; 967 struct snd_soc_acpi_mach *hda_mach; 968 struct snd_sof_pdata *pdata = sdev->pdata; 969 const char *tplg_filename; 970 const char *idisp_str; 971 int dmic_num = 0; 972 int codec_num = 0; 973 int ret; 974 int i; 975 976 /* codec detection */ 977 if (!bus->codec_mask) { 978 dev_info(bus->dev, "no hda codecs found!\n"); 979 } else { 980 dev_info(bus->dev, "hda codecs found, mask %lx\n", 981 bus->codec_mask); 982 983 for (i = 0; i < HDA_MAX_CODECS; i++) { 984 if (bus->codec_mask & (1 << i)) 985 codec_num++; 986 } 987 988 /* 989 * If no machine driver is found, then: 990 * 991 * generic hda machine driver can handle: 992 * - one HDMI codec, and/or 993 * - one external HDAudio codec 994 */ 995 if (!pdata->machine && codec_num <= 2) { 996 hda_mach = snd_soc_acpi_intel_hda_machines; 997 998 dev_info(bus->dev, "using HDA machine driver %s now\n", 999 hda_mach->drv_name); 1000 1001 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1002 idisp_str = "-idisp"; 1003 else 1004 idisp_str = ""; 1005 1006 /* topology: use the info from hda_machines */ 1007 tplg_filename = hda_mach->sof_tplg_filename; 1008 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); 1009 if (ret < 0) 1010 return ret; 1011 1012 hda_mach->mach_params.dmic_num = dmic_num; 1013 pdata->machine = hda_mach; 1014 pdata->tplg_filename = tplg_filename; 1015 } 1016 } 1017 1018 /* used by hda machine driver to create dai links */ 1019 if (pdata->machine) { 1020 mach_params = (struct snd_soc_acpi_mach_params *) 1021 &pdata->machine->mach_params; 1022 mach_params->codec_mask = bus->codec_mask; 1023 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1024 } 1025 1026 return 0; 1027 } 1028 #else 1029 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1030 { 1031 return 0; 1032 } 1033 #endif 1034 1035 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1036 /* Check if all Slaves defined on the link can be found */ 1037 static bool link_slaves_found(struct snd_sof_dev *sdev, 1038 const struct snd_soc_acpi_link_adr *link, 1039 struct sdw_intel_ctx *sdw) 1040 { 1041 struct hdac_bus *bus = sof_to_bus(sdev); 1042 struct sdw_intel_slave_id *ids = sdw->ids; 1043 int num_slaves = sdw->num_slaves; 1044 unsigned int part_id, link_id, unique_id, mfg_id; 1045 int i, j, k; 1046 1047 for (i = 0; i < link->num_adr; i++) { 1048 u64 adr = link->adr_d[i].adr; 1049 int reported_part_count = 0; 1050 1051 mfg_id = SDW_MFG_ID(adr); 1052 part_id = SDW_PART_ID(adr); 1053 link_id = SDW_DISCO_LINK_ID(adr); 1054 1055 for (j = 0; j < num_slaves; j++) { 1056 /* find out how many identical parts were reported on that link */ 1057 if (ids[j].link_id == link_id && 1058 ids[j].id.part_id == part_id && 1059 ids[j].id.mfg_id == mfg_id) 1060 reported_part_count++; 1061 } 1062 1063 for (j = 0; j < num_slaves; j++) { 1064 int expected_part_count = 0; 1065 1066 if (ids[j].link_id != link_id || 1067 ids[j].id.part_id != part_id || 1068 ids[j].id.mfg_id != mfg_id) 1069 continue; 1070 1071 /* find out how many identical parts are expected */ 1072 for (k = 0; k < link->num_adr; k++) { 1073 u64 adr2 = link->adr_d[i].adr; 1074 unsigned int part_id2, link_id2, mfg_id2; 1075 1076 mfg_id2 = SDW_MFG_ID(adr2); 1077 part_id2 = SDW_PART_ID(adr2); 1078 link_id2 = SDW_DISCO_LINK_ID(adr2); 1079 1080 if (link_id2 == link_id && 1081 part_id2 == part_id && 1082 mfg_id2 == mfg_id) 1083 expected_part_count++; 1084 } 1085 1086 if (reported_part_count == expected_part_count) { 1087 /* 1088 * we have to check unique id 1089 * if there is more than one 1090 * Slave on the link 1091 */ 1092 unique_id = SDW_UNIQUE_ID(adr); 1093 if (reported_part_count == 1 || 1094 ids[j].id.unique_id == unique_id) { 1095 dev_dbg(bus->dev, "found %x at link %d\n", 1096 part_id, link_id); 1097 break; 1098 } 1099 } else { 1100 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", 1101 part_id, reported_part_count, expected_part_count, link_id); 1102 } 1103 } 1104 if (j == num_slaves) { 1105 dev_dbg(bus->dev, 1106 "Slave %x not found\n", 1107 part_id); 1108 return false; 1109 } 1110 } 1111 return true; 1112 } 1113 1114 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1115 { 1116 struct snd_sof_pdata *pdata = sdev->pdata; 1117 const struct snd_soc_acpi_link_adr *link; 1118 struct snd_soc_acpi_mach *mach; 1119 struct sof_intel_hda_dev *hdev; 1120 u32 link_mask; 1121 int i; 1122 1123 hdev = pdata->hw_pdata; 1124 link_mask = hdev->info.link_mask; 1125 1126 /* 1127 * Select SoundWire machine driver if needed using the 1128 * alternate tables. This case deals with SoundWire-only 1129 * machines, for mixed cases with I2C/I2S the detection relies 1130 * on the HID list. 1131 */ 1132 if (link_mask && !pdata->machine) { 1133 for (mach = pdata->desc->alt_machines; 1134 mach && mach->link_mask; mach++) { 1135 /* 1136 * On some platforms such as Up Extreme all links 1137 * are enabled but only one link can be used by 1138 * external codec. Instead of exact match of two masks, 1139 * first check whether link_mask of mach is subset of 1140 * link_mask supported by hw and then go on searching 1141 * link_adr 1142 */ 1143 if (~link_mask & mach->link_mask) 1144 continue; 1145 1146 /* No need to match adr if there is no links defined */ 1147 if (!mach->links) 1148 break; 1149 1150 link = mach->links; 1151 for (i = 0; i < hdev->info.count && link->num_adr; 1152 i++, link++) { 1153 /* 1154 * Try next machine if any expected Slaves 1155 * are not found on this link. 1156 */ 1157 if (!link_slaves_found(sdev, link, hdev->sdw)) 1158 break; 1159 } 1160 /* Found if all Slaves are checked */ 1161 if (i == hdev->info.count || !link->num_adr) 1162 break; 1163 } 1164 if (mach && mach->link_mask) { 1165 int dmic_num = 0; 1166 1167 pdata->machine = mach; 1168 mach->mach_params.links = mach->links; 1169 mach->mach_params.link_mask = mach->link_mask; 1170 mach->mach_params.platform = dev_name(sdev->dev); 1171 if (mach->sof_fw_filename) 1172 pdata->fw_filename = mach->sof_fw_filename; 1173 else 1174 pdata->fw_filename = pdata->desc->default_fw_filename; 1175 pdata->tplg_filename = mach->sof_tplg_filename; 1176 1177 /* 1178 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire 1179 * link 2 and 3, thus we only try to enable dmics if all conditions 1180 * are true: 1181 * a) link 2 and 3 are not used by SoundWire 1182 * b) the NHLT table reports the presence of microphones 1183 */ 1184 if (!(mach->link_mask & GENMASK(3, 2))) { 1185 const char *tplg_filename = mach->sof_tplg_filename; 1186 int ret; 1187 1188 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); 1189 1190 if (ret < 0) 1191 return ret; 1192 1193 pdata->tplg_filename = tplg_filename; 1194 } 1195 mach->mach_params.dmic_num = dmic_num; 1196 1197 dev_dbg(sdev->dev, 1198 "SoundWire machine driver %s topology %s\n", 1199 mach->drv_name, 1200 pdata->tplg_filename); 1201 } else { 1202 dev_info(sdev->dev, 1203 "No SoundWire machine driver found\n"); 1204 } 1205 } 1206 1207 return 0; 1208 } 1209 #else 1210 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1211 { 1212 return 0; 1213 } 1214 #endif 1215 1216 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, 1217 struct device *dev) 1218 { 1219 struct snd_soc_acpi_mach_params *mach_params; 1220 1221 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 1222 mach_params->platform = dev_name(dev); 1223 } 1224 1225 void hda_machine_select(struct snd_sof_dev *sdev) 1226 { 1227 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1228 const struct sof_dev_desc *desc = sof_pdata->desc; 1229 struct snd_soc_acpi_mach *mach; 1230 1231 mach = snd_soc_acpi_find_machine(desc->machines); 1232 if (mach) { 1233 /* 1234 * If tplg file name is overridden, use it instead of 1235 * the one set in mach table 1236 */ 1237 if (!sof_pdata->tplg_filename) 1238 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1239 1240 sof_pdata->machine = mach; 1241 1242 if (mach->link_mask) { 1243 mach->mach_params.links = mach->links; 1244 mach->mach_params.link_mask = mach->link_mask; 1245 } 1246 } 1247 1248 /* 1249 * If I2S fails, try SoundWire 1250 */ 1251 hda_sdw_machine_select(sdev); 1252 1253 /* 1254 * Choose HDA generic machine driver if mach is NULL. 1255 * Otherwise, set certain mach params. 1256 */ 1257 hda_generic_machine_select(sdev); 1258 1259 if (!sof_pdata->machine) 1260 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1261 } 1262 1263 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 1264 { 1265 int ret; 1266 1267 ret = snd_intel_dsp_driver_probe(pci); 1268 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 1269 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); 1270 return -ENODEV; 1271 } 1272 1273 return sof_pci_probe(pci, pci_id); 1274 } 1275 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); 1276 1277 MODULE_LICENSE("Dual BSD/GPL"); 1278 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 1279 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1280 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1281 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1282 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); 1283 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1284