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 int hda_ctrl_dai_widget_setup(struct snd_soc_dapm_widget *w) 45 { 46 struct snd_sof_widget *swidget = w->dobj.private; 47 struct snd_soc_component *component = swidget->scomp; 48 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 49 struct sof_ipc_dai_config *config; 50 struct snd_sof_dai *sof_dai; 51 struct sof_ipc_reply reply; 52 int ret; 53 54 sof_dai = swidget->private; 55 56 if (!sof_dai || !sof_dai->dai_config) { 57 dev_err(sdev->dev, "No config for DAI %s\n", w->name); 58 return -EINVAL; 59 } 60 61 config = &sof_dai->dai_config[sof_dai->current_config]; 62 63 /* 64 * For static pipelines, the DAI widget would already be set up and calling 65 * sof_widget_setup() simply returns without doing anything. 66 * For dynamic pipelines, the DAI widget will be set up now. 67 */ 68 ret = sof_widget_setup(sdev, swidget); 69 if (ret < 0) { 70 dev_err(sdev->dev, "error: failed setting up DAI widget %s\n", w->name); 71 return ret; 72 } 73 74 /* set HW_PARAMS flag */ 75 config->flags = FIELD_PREP(SOF_DAI_CONFIG_FLAGS_MASK, SOF_DAI_CONFIG_FLAGS_HW_PARAMS); 76 77 /* send DAI_CONFIG IPC */ 78 ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, 79 &reply, sizeof(reply)); 80 if (ret < 0) { 81 dev_err(sdev->dev, "error: failed setting DAI config for %s\n", w->name); 82 return ret; 83 } 84 85 sof_dai->configured = true; 86 87 return 0; 88 } 89 90 int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w) 91 { 92 struct snd_sof_widget *swidget = w->dobj.private; 93 struct snd_soc_component *component = swidget->scomp; 94 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 95 struct sof_ipc_dai_config *config; 96 struct snd_sof_dai *sof_dai; 97 struct sof_ipc_reply reply; 98 int ret; 99 100 sof_dai = swidget->private; 101 102 if (!sof_dai || !sof_dai->dai_config) { 103 dev_err(sdev->dev, "error: No config to free DAI %s\n", w->name); 104 return -EINVAL; 105 } 106 107 /* nothing to do if hw_free() is called without restarting the stream after resume. */ 108 if (!sof_dai->configured) 109 return 0; 110 111 config = &sof_dai->dai_config[sof_dai->current_config]; 112 113 /* set HW_FREE flag */ 114 config->flags = FIELD_PREP(SOF_DAI_CONFIG_FLAGS_MASK, SOF_DAI_CONFIG_FLAGS_HW_FREE); 115 116 ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, 117 &reply, sizeof(reply)); 118 if (ret < 0) 119 dev_err(sdev->dev, "error: failed resetting DAI config for %s\n", w->name); 120 121 /* 122 * Reset the configured_flag and free the widget even if the IPC fails to keep 123 * the widget use_count balanced 124 */ 125 sof_dai->configured = false; 126 127 return sof_widget_free(sdev, swidget); 128 } 129 130 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 131 132 /* 133 * The default for SoundWire clock stop quirks is to power gate the IP 134 * and do a Bus Reset, this will need to be modified when the DSP 135 * needs to remain in D0i3 so that the Master does not lose context 136 * and enumeration is not required on clock restart 137 */ 138 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; 139 module_param(sdw_clock_stop_quirks, int, 0444); 140 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); 141 142 static int sdw_dai_config_ipc(struct snd_sof_dev *sdev, 143 struct snd_soc_dapm_widget *w, 144 int link_id, int alh_stream_id, int dai_id, bool setup) 145 { 146 struct snd_sof_widget *swidget = w->dobj.private; 147 struct sof_ipc_dai_config *config; 148 struct snd_sof_dai *sof_dai; 149 150 if (!swidget) { 151 dev_err(sdev->dev, "error: No private data for widget %s\n", w->name); 152 return -EINVAL; 153 } 154 155 sof_dai = swidget->private; 156 157 if (!sof_dai || !sof_dai->dai_config) { 158 dev_err(sdev->dev, "error: No config for DAI %s\n", w->name); 159 return -EINVAL; 160 } 161 162 config = &sof_dai->dai_config[sof_dai->current_config]; 163 164 /* update config with link and stream ID */ 165 config->dai_index = (link_id << 8) | dai_id; 166 config->alh.stream_id = alh_stream_id; 167 168 if (setup) 169 return hda_ctrl_dai_widget_setup(w); 170 171 return hda_ctrl_dai_widget_free(w); 172 } 173 174 static int sdw_params_stream(struct device *dev, 175 struct sdw_intel_stream_params_data *params_data) 176 { 177 struct snd_pcm_substream *substream = params_data->substream; 178 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 179 struct snd_soc_dai *d = params_data->dai; 180 struct snd_soc_dapm_widget *w; 181 182 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 183 w = d->playback_widget; 184 else 185 w = d->capture_widget; 186 187 return sdw_dai_config_ipc(sdev, w, params_data->link_id, params_data->alh_stream_id, 188 d->id, true); 189 } 190 191 static int sdw_free_stream(struct device *dev, 192 struct sdw_intel_stream_free_data *free_data) 193 { 194 struct snd_pcm_substream *substream = free_data->substream; 195 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 196 struct snd_soc_dai *d = free_data->dai; 197 struct snd_soc_dapm_widget *w; 198 199 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 200 w = d->playback_widget; 201 else 202 w = d->capture_widget; 203 204 /* send invalid stream_id */ 205 return sdw_dai_config_ipc(sdev, w, free_data->link_id, 0xFFFF, d->id, false); 206 } 207 208 static const struct sdw_intel_ops sdw_callback = { 209 .params_stream = sdw_params_stream, 210 .free_stream = sdw_free_stream, 211 }; 212 213 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 214 { 215 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 216 } 217 218 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 219 { 220 struct sof_intel_hda_dev *hdev; 221 acpi_handle handle; 222 int ret; 223 224 handle = ACPI_HANDLE(sdev->dev); 225 226 /* save ACPI info for the probe step */ 227 hdev = sdev->pdata->hw_pdata; 228 229 ret = sdw_intel_acpi_scan(handle, &hdev->info); 230 if (ret < 0) 231 return -EINVAL; 232 233 return 0; 234 } 235 236 static int hda_sdw_probe(struct snd_sof_dev *sdev) 237 { 238 struct sof_intel_hda_dev *hdev; 239 struct sdw_intel_res res; 240 void *sdw; 241 242 hdev = sdev->pdata->hw_pdata; 243 244 memset(&res, 0, sizeof(res)); 245 246 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 247 res.shim_base = hdev->desc->sdw_shim_base; 248 res.alh_base = hdev->desc->sdw_alh_base; 249 res.irq = sdev->ipc_irq; 250 res.handle = hdev->info.handle; 251 res.parent = sdev->dev; 252 res.ops = &sdw_callback; 253 res.dev = sdev->dev; 254 res.clock_stop_quirks = sdw_clock_stop_quirks; 255 256 /* 257 * ops and arg fields are not populated for now, 258 * they will be needed when the DAI callbacks are 259 * provided 260 */ 261 262 /* we could filter links here if needed, e.g for quirks */ 263 res.count = hdev->info.count; 264 res.link_mask = hdev->info.link_mask; 265 266 sdw = sdw_intel_probe(&res); 267 if (!sdw) { 268 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 269 return -EINVAL; 270 } 271 272 /* save context */ 273 hdev->sdw = sdw; 274 275 return 0; 276 } 277 278 int hda_sdw_startup(struct snd_sof_dev *sdev) 279 { 280 struct sof_intel_hda_dev *hdev; 281 struct snd_sof_pdata *pdata = sdev->pdata; 282 283 hdev = sdev->pdata->hw_pdata; 284 285 if (!hdev->sdw) 286 return 0; 287 288 if (pdata->machine && !pdata->machine->mach_params.link_mask) 289 return 0; 290 291 return sdw_intel_startup(hdev->sdw); 292 } 293 294 static int hda_sdw_exit(struct snd_sof_dev *sdev) 295 { 296 struct sof_intel_hda_dev *hdev; 297 298 hdev = sdev->pdata->hw_pdata; 299 300 hda_sdw_int_enable(sdev, false); 301 302 if (hdev->sdw) 303 sdw_intel_exit(hdev->sdw); 304 hdev->sdw = NULL; 305 306 return 0; 307 } 308 309 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) 310 { 311 struct sof_intel_hda_dev *hdev; 312 bool ret = false; 313 u32 irq_status; 314 315 hdev = sdev->pdata->hw_pdata; 316 317 if (!hdev->sdw) 318 return ret; 319 320 /* store status */ 321 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 322 323 /* invalid message ? */ 324 if (irq_status == 0xffffffff) 325 goto out; 326 327 /* SDW message ? */ 328 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 329 ret = true; 330 331 out: 332 return ret; 333 } 334 335 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 336 { 337 const struct sof_intel_dsp_desc *chip; 338 339 chip = get_chip_info(sdev->pdata); 340 if (chip && chip->check_sdw_irq) 341 return chip->check_sdw_irq(sdev); 342 343 return false; 344 } 345 346 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 347 { 348 return sdw_intel_thread(irq, context); 349 } 350 351 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 352 { 353 struct sof_intel_hda_dev *hdev; 354 355 hdev = sdev->pdata->hw_pdata; 356 if (hdev->sdw && 357 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 358 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) 359 return true; 360 361 return false; 362 } 363 364 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 365 { 366 struct sof_intel_hda_dev *hdev; 367 368 hdev = sdev->pdata->hw_pdata; 369 if (!hdev->sdw) 370 return; 371 372 sdw_intel_process_wakeen_event(hdev->sdw); 373 } 374 375 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 376 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 377 { 378 return 0; 379 } 380 381 static inline int hda_sdw_probe(struct snd_sof_dev *sdev) 382 { 383 return 0; 384 } 385 386 static inline int hda_sdw_exit(struct snd_sof_dev *sdev) 387 { 388 return 0; 389 } 390 391 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 392 { 393 return false; 394 } 395 396 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 397 { 398 return IRQ_HANDLED; 399 } 400 401 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 402 { 403 return false; 404 } 405 406 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 407 408 /* 409 * Debug 410 */ 411 412 struct hda_dsp_msg_code { 413 u32 code; 414 const char *msg; 415 }; 416 417 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 418 static bool hda_use_msi = true; 419 module_param_named(use_msi, hda_use_msi, bool, 0444); 420 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 421 #else 422 #define hda_use_msi (1) 423 #endif 424 425 static char *hda_model; 426 module_param(hda_model, charp, 0444); 427 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 428 429 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 430 static int hda_dmic_num = -1; 431 module_param_named(dmic_num, hda_dmic_num, int, 0444); 432 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 433 #endif 434 435 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 436 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 437 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 438 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 439 #endif 440 441 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 442 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 443 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 444 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 445 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 446 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 447 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 448 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 449 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 450 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 451 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 452 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 453 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 454 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 455 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 456 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 457 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 458 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 459 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 460 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 461 }; 462 463 static void hda_dsp_get_status(struct snd_sof_dev *sdev) 464 { 465 u32 status; 466 int i; 467 468 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 469 HDA_DSP_SRAM_REG_ROM_STATUS); 470 471 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 472 if (status == hda_dsp_rom_msg[i].code) { 473 dev_err(sdev->dev, "%s - code %8.8x\n", 474 hda_dsp_rom_msg[i].msg, status); 475 return; 476 } 477 } 478 479 /* not for us, must be generic sof message */ 480 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 481 } 482 483 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 484 struct sof_ipc_dsp_oops_xtensa *xoops, 485 struct sof_ipc_panic_info *panic_info, 486 u32 *stack, size_t stack_words) 487 { 488 u32 offset = sdev->dsp_oops_offset; 489 490 /* first read registers */ 491 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 492 493 /* note: variable AR register array is not read */ 494 495 /* then get panic info */ 496 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 497 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 498 xoops->arch_hdr.totalsize); 499 return; 500 } 501 offset += xoops->arch_hdr.totalsize; 502 sof_block_read(sdev, sdev->mmio_bar, offset, 503 panic_info, sizeof(*panic_info)); 504 505 /* then get the stack */ 506 offset += sizeof(*panic_info); 507 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 508 stack_words * sizeof(u32)); 509 } 510 511 /* dump the first 8 dwords representing the extended ROM status */ 512 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags) 513 { 514 char msg[128]; 515 int len = 0; 516 u32 value; 517 int i; 518 519 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 520 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); 521 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 522 } 523 524 dev_err(sdev->dev, "extended rom status: %s", msg); 525 526 } 527 528 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 529 { 530 struct sof_ipc_dsp_oops_xtensa xoops; 531 struct sof_ipc_panic_info panic_info; 532 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 533 534 /* print ROM/FW status */ 535 hda_dsp_get_status(sdev); 536 537 if (flags & SOF_DBG_DUMP_REGS) { 538 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS); 539 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 540 541 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 542 HDA_DSP_STACK_DUMP_SIZE); 543 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 544 stack, HDA_DSP_STACK_DUMP_SIZE); 545 } else { 546 hda_dsp_dump_ext_rom_status(sdev, flags); 547 } 548 } 549 550 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 551 { 552 struct hdac_bus *bus = sof_to_bus(sdev); 553 u32 adspis; 554 u32 intsts; 555 u32 intctl; 556 u32 ppsts; 557 u8 rirbsts; 558 559 /* read key IRQ stats and config registers */ 560 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 561 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 562 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 563 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 564 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 565 566 dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 567 intsts, intctl, rirbsts); 568 dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); 569 } 570 571 void hda_ipc_dump(struct snd_sof_dev *sdev) 572 { 573 u32 hipcie; 574 u32 hipct; 575 u32 hipcctl; 576 577 hda_ipc_irq_dump(sdev); 578 579 /* read IPC status */ 580 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 581 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 582 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 583 584 /* dump the IPC regs */ 585 /* TODO: parse the raw msg */ 586 dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 587 hipcie, hipct, hipcctl); 588 } 589 590 static int hda_init(struct snd_sof_dev *sdev) 591 { 592 struct hda_bus *hbus; 593 struct hdac_bus *bus; 594 struct pci_dev *pci = to_pci_dev(sdev->dev); 595 int ret; 596 597 hbus = sof_to_hbus(sdev); 598 bus = sof_to_bus(sdev); 599 600 /* HDA bus init */ 601 sof_hda_bus_init(bus, &pci->dev); 602 603 bus->use_posbuf = 1; 604 bus->bdl_pos_adj = 0; 605 bus->sync_write = 1; 606 607 mutex_init(&hbus->prepare_mutex); 608 hbus->pci = pci; 609 hbus->mixer_assigned = -1; 610 hbus->modelname = hda_model; 611 612 /* initialise hdac bus */ 613 bus->addr = pci_resource_start(pci, 0); 614 bus->remap_addr = pci_ioremap_bar(pci, 0); 615 if (!bus->remap_addr) { 616 dev_err(bus->dev, "error: ioremap error\n"); 617 return -ENXIO; 618 } 619 620 /* HDA base */ 621 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 622 623 /* init i915 and HDMI codecs */ 624 ret = hda_codec_i915_init(sdev); 625 if (ret < 0) 626 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 627 628 /* get controller capabilities */ 629 ret = hda_dsp_ctrl_get_caps(sdev); 630 if (ret < 0) 631 dev_err(sdev->dev, "error: get caps error\n"); 632 633 return ret; 634 } 635 636 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 637 638 static int check_nhlt_dmic(struct snd_sof_dev *sdev) 639 { 640 struct nhlt_acpi_table *nhlt; 641 int dmic_num; 642 643 nhlt = intel_nhlt_init(sdev->dev); 644 if (nhlt) { 645 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 646 intel_nhlt_free(nhlt); 647 if (dmic_num >= 1 && dmic_num <= 4) 648 return dmic_num; 649 } 650 651 return 0; 652 } 653 654 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 655 const char *sof_tplg_filename, 656 const char *idisp_str, 657 const char *dmic_str) 658 { 659 const char *tplg_filename = NULL; 660 char *filename, *tmp; 661 const char *split_ext; 662 663 filename = kstrdup(sof_tplg_filename, GFP_KERNEL); 664 if (!filename) 665 return NULL; 666 667 /* this assumes a .tplg extension */ 668 tmp = filename; 669 split_ext = strsep(&tmp, "."); 670 if (split_ext) 671 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 672 "%s%s%s.tplg", 673 split_ext, idisp_str, dmic_str); 674 kfree(filename); 675 676 return tplg_filename; 677 } 678 679 static int dmic_topology_fixup(struct snd_sof_dev *sdev, 680 const char **tplg_filename, 681 const char *idisp_str, 682 int *dmic_found) 683 { 684 const char *default_tplg_filename = *tplg_filename; 685 const char *fixed_tplg_filename; 686 const char *dmic_str; 687 int dmic_num; 688 689 /* first check NHLT for DMICs */ 690 dmic_num = check_nhlt_dmic(sdev); 691 692 /* allow for module parameter override */ 693 if (hda_dmic_num != -1) { 694 dev_dbg(sdev->dev, 695 "overriding DMICs detected in NHLT tables %d by kernel param %d\n", 696 dmic_num, hda_dmic_num); 697 dmic_num = hda_dmic_num; 698 } 699 700 switch (dmic_num) { 701 case 1: 702 dmic_str = "-1ch"; 703 break; 704 case 2: 705 dmic_str = "-2ch"; 706 break; 707 case 3: 708 dmic_str = "-3ch"; 709 break; 710 case 4: 711 dmic_str = "-4ch"; 712 break; 713 default: 714 dmic_num = 0; 715 dmic_str = ""; 716 break; 717 } 718 719 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, 720 idisp_str, dmic_str); 721 if (!fixed_tplg_filename) 722 return -ENOMEM; 723 724 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); 725 *dmic_found = dmic_num; 726 *tplg_filename = fixed_tplg_filename; 727 728 return 0; 729 } 730 #endif 731 732 static int hda_init_caps(struct snd_sof_dev *sdev) 733 { 734 struct hdac_bus *bus = sof_to_bus(sdev); 735 struct snd_sof_pdata *pdata = sdev->pdata; 736 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 737 struct hdac_ext_link *hlink; 738 #endif 739 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 740 u32 link_mask; 741 int ret = 0; 742 743 /* check if dsp is there */ 744 if (bus->ppcap) 745 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 746 747 /* Init HDA controller after i915 init */ 748 ret = hda_dsp_ctrl_init_chip(sdev, true); 749 if (ret < 0) { 750 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 751 ret); 752 return ret; 753 } 754 755 /* scan SoundWire capabilities exposed by DSDT */ 756 ret = hda_sdw_acpi_scan(sdev); 757 if (ret < 0) { 758 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 759 goto skip_soundwire; 760 } 761 762 link_mask = hdev->info.link_mask; 763 if (!link_mask) { 764 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 765 goto skip_soundwire; 766 } 767 768 /* 769 * probe/allocate SoundWire resources. 770 * The hardware configuration takes place in hda_sdw_startup 771 * after power rails are enabled. 772 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 773 * devices, so we allocate the resources in all cases. 774 */ 775 ret = hda_sdw_probe(sdev); 776 if (ret < 0) { 777 dev_err(sdev->dev, "error: SoundWire probe error\n"); 778 return ret; 779 } 780 781 skip_soundwire: 782 783 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 784 if (bus->mlcap) 785 snd_hdac_ext_bus_get_ml_capabilities(bus); 786 787 /* create codec instances */ 788 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 789 790 if (!HDA_IDISP_CODEC(bus->codec_mask)) 791 hda_codec_i915_display_power(sdev, false); 792 793 /* 794 * we are done probing so decrement link counts 795 */ 796 list_for_each_entry(hlink, &bus->hlink_list, list) 797 snd_hdac_ext_bus_link_put(bus, hlink); 798 #endif 799 return 0; 800 } 801 802 static void hda_check_for_state_change(struct snd_sof_dev *sdev) 803 { 804 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 805 struct hdac_bus *bus = sof_to_bus(sdev); 806 unsigned int codec_mask; 807 808 codec_mask = snd_hdac_chip_readw(bus, STATESTS); 809 if (codec_mask) { 810 hda_codec_jack_check(sdev); 811 snd_hdac_chip_writew(bus, STATESTS, codec_mask); 812 } 813 #endif 814 } 815 816 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 817 { 818 struct snd_sof_dev *sdev = context; 819 820 /* 821 * Get global interrupt status. It includes all hardware interrupt 822 * sources in the Intel HD Audio controller. 823 */ 824 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 825 SOF_HDA_INTSTS_GIS) { 826 827 /* disable GIE interrupt */ 828 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 829 SOF_HDA_INTCTL, 830 SOF_HDA_INT_GLOBAL_EN, 831 0); 832 833 return IRQ_WAKE_THREAD; 834 } 835 836 return IRQ_NONE; 837 } 838 839 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 840 { 841 struct snd_sof_dev *sdev = context; 842 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 843 844 /* deal with streams and controller first */ 845 if (hda_dsp_check_stream_irq(sdev)) 846 hda_dsp_stream_threaded_handler(irq, sdev); 847 848 if (hda_dsp_check_ipc_irq(sdev)) 849 sof_ops(sdev)->irq_thread(irq, sdev); 850 851 if (hda_dsp_check_sdw_irq(sdev)) 852 hda_dsp_sdw_thread(irq, hdev->sdw); 853 854 if (hda_sdw_check_wakeen_irq(sdev)) 855 hda_sdw_process_wakeen(sdev); 856 857 hda_check_for_state_change(sdev); 858 859 /* enable GIE interrupt */ 860 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 861 SOF_HDA_INTCTL, 862 SOF_HDA_INT_GLOBAL_EN, 863 SOF_HDA_INT_GLOBAL_EN); 864 865 return IRQ_HANDLED; 866 } 867 868 int hda_dsp_probe(struct snd_sof_dev *sdev) 869 { 870 struct pci_dev *pci = to_pci_dev(sdev->dev); 871 struct sof_intel_hda_dev *hdev; 872 struct hdac_bus *bus; 873 const struct sof_intel_dsp_desc *chip; 874 int ret = 0; 875 876 /* 877 * detect DSP by checking class/subclass/prog-id information 878 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 879 * class=04 subclass 01 prog-if 00: DSP is present 880 * (and may be required e.g. for DMIC or SSP support) 881 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 882 */ 883 if (pci->class == 0x040300) { 884 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 885 return -ENODEV; 886 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 887 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 888 return -ENODEV; 889 } 890 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 891 892 chip = get_chip_info(sdev->pdata); 893 if (!chip) { 894 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 895 pci->device); 896 ret = -EIO; 897 goto err; 898 } 899 900 sdev->num_cores = chip->cores_num; 901 902 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 903 if (!hdev) 904 return -ENOMEM; 905 sdev->pdata->hw_pdata = hdev; 906 hdev->desc = chip; 907 908 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 909 PLATFORM_DEVID_NONE, 910 NULL, 0); 911 if (IS_ERR(hdev->dmic_dev)) { 912 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 913 return PTR_ERR(hdev->dmic_dev); 914 } 915 916 /* 917 * use position update IPC if either it is forced 918 * or we don't have other choice 919 */ 920 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 921 hdev->no_ipc_position = 0; 922 #else 923 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 924 #endif 925 926 /* set up HDA base */ 927 bus = sof_to_bus(sdev); 928 ret = hda_init(sdev); 929 if (ret < 0) 930 goto hdac_bus_unmap; 931 932 /* DSP base */ 933 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 934 if (!sdev->bar[HDA_DSP_BAR]) { 935 dev_err(sdev->dev, "error: ioremap error\n"); 936 ret = -ENXIO; 937 goto hdac_bus_unmap; 938 } 939 940 sdev->mmio_bar = HDA_DSP_BAR; 941 sdev->mailbox_bar = HDA_DSP_BAR; 942 943 /* allow 64bit DMA address if supported by H/W */ 944 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 945 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 946 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 947 } 948 949 /* init streams */ 950 ret = hda_dsp_stream_init(sdev); 951 if (ret < 0) { 952 dev_err(sdev->dev, "error: failed to init streams\n"); 953 /* 954 * not all errors are due to memory issues, but trying 955 * to free everything does not harm 956 */ 957 goto free_streams; 958 } 959 960 /* 961 * register our IRQ 962 * let's try to enable msi firstly 963 * if it fails, use legacy interrupt mode 964 * TODO: support msi multiple vectors 965 */ 966 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 967 dev_info(sdev->dev, "use msi interrupt mode\n"); 968 sdev->ipc_irq = pci_irq_vector(pci, 0); 969 /* initialised to "false" by kzalloc() */ 970 sdev->msi_enabled = true; 971 } 972 973 if (!sdev->msi_enabled) { 974 dev_info(sdev->dev, "use legacy interrupt mode\n"); 975 /* 976 * in IO-APIC mode, hda->irq and ipc_irq are using the same 977 * irq number of pci->irq 978 */ 979 sdev->ipc_irq = pci->irq; 980 } 981 982 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 983 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 984 hda_dsp_interrupt_thread, 985 IRQF_SHARED, "AudioDSP", sdev); 986 if (ret < 0) { 987 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 988 sdev->ipc_irq); 989 goto free_irq_vector; 990 } 991 992 pci_set_master(pci); 993 synchronize_irq(pci->irq); 994 995 /* 996 * clear TCSEL to clear playback on some HD Audio 997 * codecs. PCI TCSEL is defined in the Intel manuals. 998 */ 999 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 1000 1001 /* init HDA capabilities */ 1002 ret = hda_init_caps(sdev); 1003 if (ret < 0) 1004 goto free_ipc_irq; 1005 1006 /* enable ppcap interrupt */ 1007 hda_dsp_ctrl_ppcap_enable(sdev, true); 1008 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 1009 1010 /* set default mailbox offset for FW ready message */ 1011 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 1012 1013 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 1014 1015 return 0; 1016 1017 free_ipc_irq: 1018 free_irq(sdev->ipc_irq, sdev); 1019 free_irq_vector: 1020 if (sdev->msi_enabled) 1021 pci_free_irq_vectors(pci); 1022 free_streams: 1023 hda_dsp_stream_free(sdev); 1024 /* dsp_unmap: not currently used */ 1025 iounmap(sdev->bar[HDA_DSP_BAR]); 1026 hdac_bus_unmap: 1027 platform_device_unregister(hdev->dmic_dev); 1028 iounmap(bus->remap_addr); 1029 hda_codec_i915_exit(sdev); 1030 err: 1031 return ret; 1032 } 1033 1034 int hda_dsp_remove(struct snd_sof_dev *sdev) 1035 { 1036 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 1037 const struct sof_intel_dsp_desc *chip = hda->desc; 1038 struct hdac_bus *bus = sof_to_bus(sdev); 1039 struct pci_dev *pci = to_pci_dev(sdev->dev); 1040 1041 /* cancel any attempt for DSP D0I3 */ 1042 cancel_delayed_work_sync(&hda->d0i3_work); 1043 1044 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1045 /* codec removal, invoke bus_device_remove */ 1046 snd_hdac_ext_bus_device_remove(bus); 1047 #endif 1048 1049 hda_sdw_exit(sdev); 1050 1051 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 1052 platform_device_unregister(hda->dmic_dev); 1053 1054 /* disable DSP IRQ */ 1055 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1056 SOF_HDA_PPCTL_PIE, 0); 1057 1058 /* disable CIE and GIE interrupts */ 1059 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 1060 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 1061 1062 /* disable cores */ 1063 if (chip) 1064 hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); 1065 1066 /* disable DSP */ 1067 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1068 SOF_HDA_PPCTL_GPROCEN, 0); 1069 1070 free_irq(sdev->ipc_irq, sdev); 1071 if (sdev->msi_enabled) 1072 pci_free_irq_vectors(pci); 1073 1074 hda_dsp_stream_free(sdev); 1075 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1076 snd_hdac_link_free_all(bus); 1077 #endif 1078 1079 iounmap(sdev->bar[HDA_DSP_BAR]); 1080 iounmap(bus->remap_addr); 1081 1082 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1083 snd_hdac_ext_bus_exit(bus); 1084 #endif 1085 hda_codec_i915_exit(sdev); 1086 1087 return 0; 1088 } 1089 1090 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1091 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1092 { 1093 struct hdac_bus *bus = sof_to_bus(sdev); 1094 struct snd_soc_acpi_mach_params *mach_params; 1095 struct snd_soc_acpi_mach *hda_mach; 1096 struct snd_sof_pdata *pdata = sdev->pdata; 1097 const char *tplg_filename; 1098 const char *idisp_str; 1099 int dmic_num = 0; 1100 int codec_num = 0; 1101 int ret; 1102 int i; 1103 1104 /* codec detection */ 1105 if (!bus->codec_mask) { 1106 dev_info(bus->dev, "no hda codecs found!\n"); 1107 } else { 1108 dev_info(bus->dev, "hda codecs found, mask %lx\n", 1109 bus->codec_mask); 1110 1111 for (i = 0; i < HDA_MAX_CODECS; i++) { 1112 if (bus->codec_mask & (1 << i)) 1113 codec_num++; 1114 } 1115 1116 /* 1117 * If no machine driver is found, then: 1118 * 1119 * generic hda machine driver can handle: 1120 * - one HDMI codec, and/or 1121 * - one external HDAudio codec 1122 */ 1123 if (!pdata->machine && codec_num <= 2) { 1124 hda_mach = snd_soc_acpi_intel_hda_machines; 1125 1126 dev_info(bus->dev, "using HDA machine driver %s now\n", 1127 hda_mach->drv_name); 1128 1129 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1130 idisp_str = "-idisp"; 1131 else 1132 idisp_str = ""; 1133 1134 /* topology: use the info from hda_machines */ 1135 tplg_filename = hda_mach->sof_tplg_filename; 1136 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); 1137 if (ret < 0) 1138 return ret; 1139 1140 hda_mach->mach_params.dmic_num = dmic_num; 1141 pdata->machine = hda_mach; 1142 pdata->tplg_filename = tplg_filename; 1143 1144 if (codec_num == 2) { 1145 /* 1146 * Prevent SoundWire links from starting when an external 1147 * HDaudio codec is used 1148 */ 1149 hda_mach->mach_params.link_mask = 0; 1150 } 1151 } 1152 } 1153 1154 /* used by hda machine driver to create dai links */ 1155 if (pdata->machine) { 1156 mach_params = (struct snd_soc_acpi_mach_params *) 1157 &pdata->machine->mach_params; 1158 mach_params->codec_mask = bus->codec_mask; 1159 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1160 } 1161 1162 return 0; 1163 } 1164 #else 1165 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1166 { 1167 return 0; 1168 } 1169 #endif 1170 1171 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1172 /* Check if all Slaves defined on the link can be found */ 1173 static bool link_slaves_found(struct snd_sof_dev *sdev, 1174 const struct snd_soc_acpi_link_adr *link, 1175 struct sdw_intel_ctx *sdw) 1176 { 1177 struct hdac_bus *bus = sof_to_bus(sdev); 1178 struct sdw_intel_slave_id *ids = sdw->ids; 1179 int num_slaves = sdw->num_slaves; 1180 unsigned int part_id, link_id, unique_id, mfg_id; 1181 int i, j, k; 1182 1183 for (i = 0; i < link->num_adr; i++) { 1184 u64 adr = link->adr_d[i].adr; 1185 int reported_part_count = 0; 1186 1187 mfg_id = SDW_MFG_ID(adr); 1188 part_id = SDW_PART_ID(adr); 1189 link_id = SDW_DISCO_LINK_ID(adr); 1190 1191 for (j = 0; j < num_slaves; j++) { 1192 /* find out how many identical parts were reported on that link */ 1193 if (ids[j].link_id == link_id && 1194 ids[j].id.part_id == part_id && 1195 ids[j].id.mfg_id == mfg_id) 1196 reported_part_count++; 1197 } 1198 1199 for (j = 0; j < num_slaves; j++) { 1200 int expected_part_count = 0; 1201 1202 if (ids[j].link_id != link_id || 1203 ids[j].id.part_id != part_id || 1204 ids[j].id.mfg_id != mfg_id) 1205 continue; 1206 1207 /* find out how many identical parts are expected */ 1208 for (k = 0; k < link->num_adr; k++) { 1209 u64 adr2 = link->adr_d[k].adr; 1210 unsigned int part_id2, link_id2, mfg_id2; 1211 1212 mfg_id2 = SDW_MFG_ID(adr2); 1213 part_id2 = SDW_PART_ID(adr2); 1214 link_id2 = SDW_DISCO_LINK_ID(adr2); 1215 1216 if (link_id2 == link_id && 1217 part_id2 == part_id && 1218 mfg_id2 == mfg_id) 1219 expected_part_count++; 1220 } 1221 1222 if (reported_part_count == expected_part_count) { 1223 /* 1224 * we have to check unique id 1225 * if there is more than one 1226 * Slave on the link 1227 */ 1228 unique_id = SDW_UNIQUE_ID(adr); 1229 if (reported_part_count == 1 || 1230 ids[j].id.unique_id == unique_id) { 1231 dev_dbg(bus->dev, "found %x at link %d\n", 1232 part_id, link_id); 1233 break; 1234 } 1235 } else { 1236 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", 1237 part_id, reported_part_count, expected_part_count, link_id); 1238 } 1239 } 1240 if (j == num_slaves) { 1241 dev_dbg(bus->dev, 1242 "Slave %x not found\n", 1243 part_id); 1244 return false; 1245 } 1246 } 1247 return true; 1248 } 1249 1250 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1251 { 1252 struct snd_sof_pdata *pdata = sdev->pdata; 1253 const struct snd_soc_acpi_link_adr *link; 1254 struct snd_soc_acpi_mach *mach; 1255 struct sof_intel_hda_dev *hdev; 1256 u32 link_mask; 1257 int i; 1258 1259 hdev = pdata->hw_pdata; 1260 link_mask = hdev->info.link_mask; 1261 1262 /* 1263 * Select SoundWire machine driver if needed using the 1264 * alternate tables. This case deals with SoundWire-only 1265 * machines, for mixed cases with I2C/I2S the detection relies 1266 * on the HID list. 1267 */ 1268 if (link_mask && !pdata->machine) { 1269 for (mach = pdata->desc->alt_machines; 1270 mach && mach->link_mask; mach++) { 1271 /* 1272 * On some platforms such as Up Extreme all links 1273 * are enabled but only one link can be used by 1274 * external codec. Instead of exact match of two masks, 1275 * first check whether link_mask of mach is subset of 1276 * link_mask supported by hw and then go on searching 1277 * link_adr 1278 */ 1279 if (~link_mask & mach->link_mask) 1280 continue; 1281 1282 /* No need to match adr if there is no links defined */ 1283 if (!mach->links) 1284 break; 1285 1286 link = mach->links; 1287 for (i = 0; i < hdev->info.count && link->num_adr; 1288 i++, link++) { 1289 /* 1290 * Try next machine if any expected Slaves 1291 * are not found on this link. 1292 */ 1293 if (!link_slaves_found(sdev, link, hdev->sdw)) 1294 break; 1295 } 1296 /* Found if all Slaves are checked */ 1297 if (i == hdev->info.count || !link->num_adr) 1298 break; 1299 } 1300 if (mach && mach->link_mask) { 1301 int dmic_num = 0; 1302 1303 pdata->machine = mach; 1304 mach->mach_params.links = mach->links; 1305 mach->mach_params.link_mask = mach->link_mask; 1306 mach->mach_params.platform = dev_name(sdev->dev); 1307 if (mach->sof_fw_filename) 1308 pdata->fw_filename = mach->sof_fw_filename; 1309 else 1310 pdata->fw_filename = pdata->desc->default_fw_filename; 1311 pdata->tplg_filename = mach->sof_tplg_filename; 1312 1313 /* 1314 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire 1315 * link 2 and 3, thus we only try to enable dmics if all conditions 1316 * are true: 1317 * a) link 2 and 3 are not used by SoundWire 1318 * b) the NHLT table reports the presence of microphones 1319 */ 1320 if (!(mach->link_mask & GENMASK(3, 2))) { 1321 const char *tplg_filename = mach->sof_tplg_filename; 1322 int ret; 1323 1324 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); 1325 1326 if (ret < 0) 1327 return ret; 1328 1329 pdata->tplg_filename = tplg_filename; 1330 } 1331 mach->mach_params.dmic_num = dmic_num; 1332 1333 dev_dbg(sdev->dev, 1334 "SoundWire machine driver %s topology %s\n", 1335 mach->drv_name, 1336 pdata->tplg_filename); 1337 } else { 1338 dev_info(sdev->dev, 1339 "No SoundWire machine driver found\n"); 1340 } 1341 } 1342 1343 return 0; 1344 } 1345 #else 1346 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1347 { 1348 return 0; 1349 } 1350 #endif 1351 1352 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, 1353 struct snd_sof_dev *sdev) 1354 { 1355 struct snd_sof_pdata *pdata = sdev->pdata; 1356 const struct sof_dev_desc *desc = pdata->desc; 1357 struct snd_soc_acpi_mach_params *mach_params; 1358 1359 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 1360 mach_params->platform = dev_name(sdev->dev); 1361 mach_params->num_dai_drivers = desc->ops->num_drv; 1362 mach_params->dai_drivers = desc->ops->drv; 1363 } 1364 1365 void hda_machine_select(struct snd_sof_dev *sdev) 1366 { 1367 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1368 const struct sof_dev_desc *desc = sof_pdata->desc; 1369 struct snd_soc_acpi_mach *mach; 1370 1371 mach = snd_soc_acpi_find_machine(desc->machines); 1372 if (mach) { 1373 /* 1374 * If tplg file name is overridden, use it instead of 1375 * the one set in mach table 1376 */ 1377 if (!sof_pdata->tplg_filename) 1378 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1379 1380 sof_pdata->machine = mach; 1381 1382 if (mach->link_mask) { 1383 mach->mach_params.links = mach->links; 1384 mach->mach_params.link_mask = mach->link_mask; 1385 } 1386 } 1387 1388 /* 1389 * If I2S fails, try SoundWire 1390 */ 1391 hda_sdw_machine_select(sdev); 1392 1393 /* 1394 * Choose HDA generic machine driver if mach is NULL. 1395 * Otherwise, set certain mach params. 1396 */ 1397 hda_generic_machine_select(sdev); 1398 1399 if (!sof_pdata->machine) 1400 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1401 } 1402 1403 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 1404 { 1405 int ret; 1406 1407 ret = snd_intel_dsp_driver_probe(pci); 1408 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 1409 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); 1410 return -ENODEV; 1411 } 1412 1413 return sof_pci_probe(pci, pci_id); 1414 } 1415 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); 1416 1417 MODULE_LICENSE("Dual BSD/GPL"); 1418 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 1419 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1420 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1421 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1422 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); 1423 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1424