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, unsigned int quirk_flags, 45 struct snd_sof_dai_config_data *data) 46 { 47 struct snd_sof_widget *swidget = w->dobj.private; 48 struct snd_soc_component *component = swidget->scomp; 49 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 50 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; 51 struct snd_sof_dai *sof_dai = swidget->private; 52 int ret; 53 54 if (!sof_dai) { 55 dev_err(sdev->dev, "%s: No DAI for DAI widget %s\n", __func__, w->name); 56 return -EINVAL; 57 } 58 59 if (tplg_ops->dai_config) { 60 unsigned int flags; 61 62 /* set HW_PARAMS flag along with quirks */ 63 flags = SOF_DAI_CONFIG_FLAGS_HW_PARAMS | 64 quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; 65 66 ret = tplg_ops->dai_config(sdev, swidget, flags, data); 67 if (ret < 0) { 68 dev_err(sdev->dev, "%s: DAI config failed for widget %s\n", __func__, 69 w->name); 70 return ret; 71 } 72 } 73 74 return 0; 75 } 76 77 int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w, unsigned int quirk_flags, 78 struct snd_sof_dai_config_data *data) 79 { 80 struct snd_sof_widget *swidget = w->dobj.private; 81 struct snd_soc_component *component = swidget->scomp; 82 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 83 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; 84 struct snd_sof_dai *sof_dai = swidget->private; 85 86 if (!sof_dai) { 87 dev_err(sdev->dev, "%s: No DAI for BE DAI widget %s\n", __func__, w->name); 88 return -EINVAL; 89 } 90 91 if (tplg_ops->dai_config) { 92 unsigned int flags; 93 int ret; 94 95 /* set HW_FREE flag along with any quirks */ 96 flags = SOF_DAI_CONFIG_FLAGS_HW_FREE | 97 quirk_flags << SOF_DAI_CONFIG_FLAGS_QUIRK_SHIFT; 98 99 ret = tplg_ops->dai_config(sdev, swidget, flags, data); 100 if (ret < 0) 101 dev_err(sdev->dev, "%s: DAI config failed for widget '%s'\n", __func__, 102 w->name); 103 } 104 105 return 0; 106 } 107 108 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 109 110 /* 111 * The default for SoundWire clock stop quirks is to power gate the IP 112 * and do a Bus Reset, this will need to be modified when the DSP 113 * needs to remain in D0i3 so that the Master does not lose context 114 * and enumeration is not required on clock restart 115 */ 116 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; 117 module_param(sdw_clock_stop_quirks, int, 0444); 118 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); 119 120 static int sdw_params_stream(struct device *dev, 121 struct sdw_intel_stream_params_data *params_data) 122 { 123 struct snd_soc_dai *d = params_data->dai; 124 struct snd_sof_dai_config_data data; 125 struct snd_soc_dapm_widget *w; 126 127 w = snd_soc_dai_get_widget(d, params_data->stream); 128 data.dai_index = (params_data->link_id << 8) | d->id; 129 data.dai_data = params_data->alh_stream_id; 130 131 return hda_ctrl_dai_widget_setup(w, SOF_DAI_CONFIG_FLAGS_NONE, &data); 132 } 133 134 static int sdw_free_stream(struct device *dev, 135 struct sdw_intel_stream_free_data *free_data) 136 { 137 struct snd_soc_dai *d = free_data->dai; 138 struct snd_sof_dai_config_data data; 139 struct snd_soc_dapm_widget *w; 140 141 w = snd_soc_dai_get_widget(d, free_data->stream); 142 data.dai_index = (free_data->link_id << 8) | d->id; 143 144 /* send invalid stream_id */ 145 data.dai_data = 0xFFFF; 146 147 return hda_ctrl_dai_widget_free(w, SOF_DAI_CONFIG_FLAGS_NONE, &data); 148 } 149 150 static const struct sdw_intel_ops sdw_callback = { 151 .params_stream = sdw_params_stream, 152 .free_stream = sdw_free_stream, 153 }; 154 155 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 156 { 157 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 158 } 159 160 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 161 { 162 struct sof_intel_hda_dev *hdev; 163 acpi_handle handle; 164 int ret; 165 166 handle = ACPI_HANDLE(sdev->dev); 167 168 /* save ACPI info for the probe step */ 169 hdev = sdev->pdata->hw_pdata; 170 171 ret = sdw_intel_acpi_scan(handle, &hdev->info); 172 if (ret < 0) 173 return -EINVAL; 174 175 return 0; 176 } 177 178 static int hda_sdw_probe(struct snd_sof_dev *sdev) 179 { 180 struct sof_intel_hda_dev *hdev; 181 struct sdw_intel_res res; 182 void *sdw; 183 184 hdev = sdev->pdata->hw_pdata; 185 186 memset(&res, 0, sizeof(res)); 187 188 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 189 res.shim_base = hdev->desc->sdw_shim_base; 190 res.alh_base = hdev->desc->sdw_alh_base; 191 res.irq = sdev->ipc_irq; 192 res.handle = hdev->info.handle; 193 res.parent = sdev->dev; 194 res.ops = &sdw_callback; 195 res.dev = sdev->dev; 196 res.clock_stop_quirks = sdw_clock_stop_quirks; 197 198 /* 199 * ops and arg fields are not populated for now, 200 * they will be needed when the DAI callbacks are 201 * provided 202 */ 203 204 /* we could filter links here if needed, e.g for quirks */ 205 res.count = hdev->info.count; 206 res.link_mask = hdev->info.link_mask; 207 208 sdw = sdw_intel_probe(&res); 209 if (!sdw) { 210 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 211 return -EINVAL; 212 } 213 214 /* save context */ 215 hdev->sdw = sdw; 216 217 return 0; 218 } 219 220 int hda_sdw_startup(struct snd_sof_dev *sdev) 221 { 222 struct sof_intel_hda_dev *hdev; 223 struct snd_sof_pdata *pdata = sdev->pdata; 224 225 hdev = sdev->pdata->hw_pdata; 226 227 if (!hdev->sdw) 228 return 0; 229 230 if (pdata->machine && !pdata->machine->mach_params.link_mask) 231 return 0; 232 233 return sdw_intel_startup(hdev->sdw); 234 } 235 236 static int hda_sdw_exit(struct snd_sof_dev *sdev) 237 { 238 struct sof_intel_hda_dev *hdev; 239 240 hdev = sdev->pdata->hw_pdata; 241 242 hda_sdw_int_enable(sdev, false); 243 244 if (hdev->sdw) 245 sdw_intel_exit(hdev->sdw); 246 hdev->sdw = NULL; 247 248 return 0; 249 } 250 251 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) 252 { 253 struct sof_intel_hda_dev *hdev; 254 bool ret = false; 255 u32 irq_status; 256 257 hdev = sdev->pdata->hw_pdata; 258 259 if (!hdev->sdw) 260 return ret; 261 262 /* store status */ 263 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 264 265 /* invalid message ? */ 266 if (irq_status == 0xffffffff) 267 goto out; 268 269 /* SDW message ? */ 270 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 271 ret = true; 272 273 out: 274 return ret; 275 } 276 277 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 278 { 279 const struct sof_intel_dsp_desc *chip; 280 281 chip = get_chip_info(sdev->pdata); 282 if (chip && chip->check_sdw_irq) 283 return chip->check_sdw_irq(sdev); 284 285 return false; 286 } 287 288 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 289 { 290 return sdw_intel_thread(irq, context); 291 } 292 293 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 294 { 295 struct sof_intel_hda_dev *hdev; 296 297 hdev = sdev->pdata->hw_pdata; 298 if (hdev->sdw && 299 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 300 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) 301 return true; 302 303 return false; 304 } 305 306 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 307 { 308 struct sof_intel_hda_dev *hdev; 309 310 hdev = sdev->pdata->hw_pdata; 311 if (!hdev->sdw) 312 return; 313 314 sdw_intel_process_wakeen_event(hdev->sdw); 315 } 316 317 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 318 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 319 { 320 return 0; 321 } 322 323 static inline int hda_sdw_probe(struct snd_sof_dev *sdev) 324 { 325 return 0; 326 } 327 328 static inline int hda_sdw_exit(struct snd_sof_dev *sdev) 329 { 330 return 0; 331 } 332 333 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 334 { 335 return false; 336 } 337 338 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 339 { 340 return IRQ_HANDLED; 341 } 342 343 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 344 { 345 return false; 346 } 347 348 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 349 350 /* 351 * Debug 352 */ 353 354 struct hda_dsp_msg_code { 355 u32 code; 356 const char *msg; 357 }; 358 359 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 360 static bool hda_use_msi = true; 361 module_param_named(use_msi, hda_use_msi, bool, 0444); 362 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 363 #else 364 #define hda_use_msi (1) 365 #endif 366 367 int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS; 368 module_param_named(position_quirk, sof_hda_position_quirk, int, 0444); 369 MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk"); 370 371 static char *hda_model; 372 module_param(hda_model, charp, 0444); 373 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 374 375 static int dmic_num_override = -1; 376 module_param_named(dmic_num, dmic_num_override, int, 0444); 377 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 378 379 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 380 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 381 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 382 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 383 #endif 384 385 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 386 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 387 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 388 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 389 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 390 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 391 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 392 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 393 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 394 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 395 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 396 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 397 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 398 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 399 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 400 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 401 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 402 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 403 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 404 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 405 }; 406 407 static void hda_dsp_get_status(struct snd_sof_dev *sdev, const char *level) 408 { 409 const struct sof_intel_dsp_desc *chip; 410 u32 status; 411 int i; 412 413 chip = get_chip_info(sdev->pdata); 414 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 415 chip->rom_status_reg); 416 417 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 418 if (status == hda_dsp_rom_msg[i].code) { 419 dev_printk(level, sdev->dev, "%s - code %8.8x\n", 420 hda_dsp_rom_msg[i].msg, status); 421 return; 422 } 423 } 424 425 /* not for us, must be generic sof message */ 426 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 427 } 428 429 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 430 struct sof_ipc_dsp_oops_xtensa *xoops, 431 struct sof_ipc_panic_info *panic_info, 432 u32 *stack, size_t stack_words) 433 { 434 u32 offset = sdev->dsp_oops_offset; 435 436 /* first read registers */ 437 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 438 439 /* note: variable AR register array is not read */ 440 441 /* then get panic info */ 442 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 443 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 444 xoops->arch_hdr.totalsize); 445 return; 446 } 447 offset += xoops->arch_hdr.totalsize; 448 sof_block_read(sdev, sdev->mmio_bar, offset, 449 panic_info, sizeof(*panic_info)); 450 451 /* then get the stack */ 452 offset += sizeof(*panic_info); 453 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 454 stack_words * sizeof(u32)); 455 } 456 457 /* dump the first 8 dwords representing the extended ROM status */ 458 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, const char *level, 459 u32 flags) 460 { 461 const struct sof_intel_dsp_desc *chip; 462 char msg[128]; 463 int len = 0; 464 u32 value; 465 int i; 466 467 chip = get_chip_info(sdev->pdata); 468 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 469 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, chip->rom_status_reg + i * 0x4); 470 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 471 } 472 473 dev_printk(level, sdev->dev, "extended rom status: %s", msg); 474 475 } 476 477 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 478 { 479 char *level = (flags & SOF_DBG_DUMP_OPTIONAL) ? KERN_DEBUG : KERN_ERR; 480 struct sof_ipc_dsp_oops_xtensa xoops; 481 struct sof_ipc_panic_info panic_info; 482 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 483 484 /* print ROM/FW status */ 485 hda_dsp_get_status(sdev, level); 486 487 if (flags & SOF_DBG_DUMP_REGS) { 488 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS); 489 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 490 491 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 492 HDA_DSP_STACK_DUMP_SIZE); 493 sof_print_oops_and_stack(sdev, level, status, panic, &xoops, 494 &panic_info, stack, HDA_DSP_STACK_DUMP_SIZE); 495 } else { 496 hda_dsp_dump_ext_rom_status(sdev, level, flags); 497 } 498 } 499 500 static bool hda_check_ipc_irq(struct snd_sof_dev *sdev) 501 { 502 const struct sof_intel_dsp_desc *chip; 503 504 chip = get_chip_info(sdev->pdata); 505 if (chip && chip->check_ipc_irq) 506 return chip->check_ipc_irq(sdev); 507 508 return false; 509 } 510 511 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 512 { 513 struct hdac_bus *bus = sof_to_bus(sdev); 514 u32 adspis; 515 u32 intsts; 516 u32 intctl; 517 u32 ppsts; 518 u8 rirbsts; 519 520 /* read key IRQ stats and config registers */ 521 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 522 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 523 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 524 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 525 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 526 527 dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 528 intsts, intctl, rirbsts); 529 dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); 530 } 531 532 void hda_ipc_dump(struct snd_sof_dev *sdev) 533 { 534 u32 hipcie; 535 u32 hipct; 536 u32 hipcctl; 537 538 hda_ipc_irq_dump(sdev); 539 540 /* read IPC status */ 541 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 542 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 543 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 544 545 /* dump the IPC regs */ 546 /* TODO: parse the raw msg */ 547 dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 548 hipcie, hipct, hipcctl); 549 } 550 551 static int hda_init(struct snd_sof_dev *sdev) 552 { 553 struct hda_bus *hbus; 554 struct hdac_bus *bus; 555 struct pci_dev *pci = to_pci_dev(sdev->dev); 556 int ret; 557 558 hbus = sof_to_hbus(sdev); 559 bus = sof_to_bus(sdev); 560 561 /* HDA bus init */ 562 sof_hda_bus_init(bus, &pci->dev); 563 564 if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS) 565 bus->use_posbuf = 0; 566 else 567 bus->use_posbuf = 1; 568 bus->bdl_pos_adj = 0; 569 bus->sync_write = 1; 570 571 mutex_init(&hbus->prepare_mutex); 572 hbus->pci = pci; 573 hbus->mixer_assigned = -1; 574 hbus->modelname = hda_model; 575 576 /* initialise hdac bus */ 577 bus->addr = pci_resource_start(pci, 0); 578 bus->remap_addr = pci_ioremap_bar(pci, 0); 579 if (!bus->remap_addr) { 580 dev_err(bus->dev, "error: ioremap error\n"); 581 return -ENXIO; 582 } 583 584 /* HDA base */ 585 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 586 587 /* init i915 and HDMI codecs */ 588 ret = hda_codec_i915_init(sdev); 589 if (ret < 0) 590 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 591 592 /* get controller capabilities */ 593 ret = hda_dsp_ctrl_get_caps(sdev); 594 if (ret < 0) 595 dev_err(sdev->dev, "error: get caps error\n"); 596 597 return ret; 598 } 599 600 static int check_dmic_num(struct snd_sof_dev *sdev) 601 { 602 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 603 struct nhlt_acpi_table *nhlt; 604 int dmic_num = 0; 605 606 nhlt = hdev->nhlt; 607 if (nhlt) 608 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 609 610 /* allow for module parameter override */ 611 if (dmic_num_override != -1) { 612 dev_dbg(sdev->dev, 613 "overriding DMICs detected in NHLT tables %d by kernel param %d\n", 614 dmic_num, dmic_num_override); 615 dmic_num = dmic_num_override; 616 } 617 618 if (dmic_num < 0 || dmic_num > 4) { 619 dev_dbg(sdev->dev, "invalid dmic_number %d\n", dmic_num); 620 dmic_num = 0; 621 } 622 623 return dmic_num; 624 } 625 626 static int check_nhlt_ssp_mask(struct snd_sof_dev *sdev) 627 { 628 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 629 struct nhlt_acpi_table *nhlt; 630 int ssp_mask = 0; 631 632 nhlt = hdev->nhlt; 633 if (!nhlt) 634 return ssp_mask; 635 636 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP)) { 637 ssp_mask = intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S); 638 if (ssp_mask) 639 dev_info(sdev->dev, "NHLT_DEVICE_I2S detected, ssp_mask %#x\n", ssp_mask); 640 } 641 642 return ssp_mask; 643 } 644 645 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 646 647 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 648 const char *sof_tplg_filename, 649 const char *idisp_str, 650 const char *dmic_str) 651 { 652 const char *tplg_filename = NULL; 653 char *filename, *tmp; 654 const char *split_ext; 655 656 filename = kstrdup(sof_tplg_filename, GFP_KERNEL); 657 if (!filename) 658 return NULL; 659 660 /* this assumes a .tplg extension */ 661 tmp = filename; 662 split_ext = strsep(&tmp, "."); 663 if (split_ext) 664 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 665 "%s%s%s.tplg", 666 split_ext, idisp_str, dmic_str); 667 kfree(filename); 668 669 return tplg_filename; 670 } 671 672 static int dmic_topology_fixup(struct snd_sof_dev *sdev, 673 const char **tplg_filename, 674 const char *idisp_str, 675 int *dmic_found) 676 { 677 const char *default_tplg_filename = *tplg_filename; 678 const char *fixed_tplg_filename; 679 const char *dmic_str; 680 int dmic_num; 681 682 /* first check for DMICs (using NHLT or module parameter) */ 683 dmic_num = check_dmic_num(sdev); 684 685 switch (dmic_num) { 686 case 1: 687 dmic_str = "-1ch"; 688 break; 689 case 2: 690 dmic_str = "-2ch"; 691 break; 692 case 3: 693 dmic_str = "-3ch"; 694 break; 695 case 4: 696 dmic_str = "-4ch"; 697 break; 698 default: 699 dmic_num = 0; 700 dmic_str = ""; 701 break; 702 } 703 704 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, 705 idisp_str, dmic_str); 706 if (!fixed_tplg_filename) 707 return -ENOMEM; 708 709 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); 710 *dmic_found = dmic_num; 711 *tplg_filename = fixed_tplg_filename; 712 713 return 0; 714 } 715 #endif 716 717 static int hda_init_caps(struct snd_sof_dev *sdev) 718 { 719 struct hdac_bus *bus = sof_to_bus(sdev); 720 struct snd_sof_pdata *pdata = sdev->pdata; 721 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 722 struct hdac_ext_link *hlink; 723 #endif 724 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 725 u32 link_mask; 726 int ret = 0; 727 728 /* check if dsp is there */ 729 if (bus->ppcap) 730 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 731 732 /* Init HDA controller after i915 init */ 733 ret = hda_dsp_ctrl_init_chip(sdev, true); 734 if (ret < 0) { 735 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 736 ret); 737 return ret; 738 } 739 740 /* scan SoundWire capabilities exposed by DSDT */ 741 ret = hda_sdw_acpi_scan(sdev); 742 if (ret < 0) { 743 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 744 goto skip_soundwire; 745 } 746 747 link_mask = hdev->info.link_mask; 748 if (!link_mask) { 749 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 750 goto skip_soundwire; 751 } 752 753 /* 754 * probe/allocate SoundWire resources. 755 * The hardware configuration takes place in hda_sdw_startup 756 * after power rails are enabled. 757 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 758 * devices, so we allocate the resources in all cases. 759 */ 760 ret = hda_sdw_probe(sdev); 761 if (ret < 0) { 762 dev_err(sdev->dev, "error: SoundWire probe error\n"); 763 return ret; 764 } 765 766 skip_soundwire: 767 768 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 769 if (bus->mlcap) 770 snd_hdac_ext_bus_get_ml_capabilities(bus); 771 772 /* create codec instances */ 773 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 774 775 if (!HDA_IDISP_CODEC(bus->codec_mask)) 776 hda_codec_i915_display_power(sdev, false); 777 778 /* 779 * we are done probing so decrement link counts 780 */ 781 list_for_each_entry(hlink, &bus->hlink_list, list) 782 snd_hdac_ext_bus_link_put(bus, hlink); 783 #endif 784 return 0; 785 } 786 787 static void hda_check_for_state_change(struct snd_sof_dev *sdev) 788 { 789 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 790 struct hdac_bus *bus = sof_to_bus(sdev); 791 unsigned int codec_mask; 792 793 codec_mask = snd_hdac_chip_readw(bus, STATESTS); 794 if (codec_mask) { 795 hda_codec_jack_check(sdev); 796 snd_hdac_chip_writew(bus, STATESTS, codec_mask); 797 } 798 #endif 799 } 800 801 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 802 { 803 struct snd_sof_dev *sdev = context; 804 805 /* 806 * Get global interrupt status. It includes all hardware interrupt 807 * sources in the Intel HD Audio controller. 808 */ 809 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 810 SOF_HDA_INTSTS_GIS) { 811 812 /* disable GIE interrupt */ 813 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 814 SOF_HDA_INTCTL, 815 SOF_HDA_INT_GLOBAL_EN, 816 0); 817 818 return IRQ_WAKE_THREAD; 819 } 820 821 return IRQ_NONE; 822 } 823 824 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 825 { 826 struct snd_sof_dev *sdev = context; 827 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 828 829 /* deal with streams and controller first */ 830 if (hda_dsp_check_stream_irq(sdev)) 831 hda_dsp_stream_threaded_handler(irq, sdev); 832 833 if (hda_check_ipc_irq(sdev)) 834 sof_ops(sdev)->irq_thread(irq, sdev); 835 836 if (hda_dsp_check_sdw_irq(sdev)) 837 hda_dsp_sdw_thread(irq, hdev->sdw); 838 839 if (hda_sdw_check_wakeen_irq(sdev)) 840 hda_sdw_process_wakeen(sdev); 841 842 hda_check_for_state_change(sdev); 843 844 /* enable GIE interrupt */ 845 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 846 SOF_HDA_INTCTL, 847 SOF_HDA_INT_GLOBAL_EN, 848 SOF_HDA_INT_GLOBAL_EN); 849 850 return IRQ_HANDLED; 851 } 852 853 int hda_dsp_probe(struct snd_sof_dev *sdev) 854 { 855 struct pci_dev *pci = to_pci_dev(sdev->dev); 856 struct sof_intel_hda_dev *hdev; 857 struct hdac_bus *bus; 858 const struct sof_intel_dsp_desc *chip; 859 int ret = 0; 860 861 /* 862 * detect DSP by checking class/subclass/prog-id information 863 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 864 * class=04 subclass 01 prog-if 00: DSP is present 865 * (and may be required e.g. for DMIC or SSP support) 866 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 867 */ 868 if (pci->class == 0x040300) { 869 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 870 return -ENODEV; 871 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 872 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 873 return -ENODEV; 874 } 875 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 876 877 chip = get_chip_info(sdev->pdata); 878 if (!chip) { 879 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 880 pci->device); 881 ret = -EIO; 882 goto err; 883 } 884 885 sdev->num_cores = chip->cores_num; 886 887 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 888 if (!hdev) 889 return -ENOMEM; 890 sdev->pdata->hw_pdata = hdev; 891 hdev->desc = chip; 892 893 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 894 PLATFORM_DEVID_NONE, 895 NULL, 0); 896 if (IS_ERR(hdev->dmic_dev)) { 897 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 898 return PTR_ERR(hdev->dmic_dev); 899 } 900 901 /* 902 * use position update IPC if either it is forced 903 * or we don't have other choice 904 */ 905 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 906 hdev->no_ipc_position = 0; 907 #else 908 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 909 #endif 910 911 /* set up HDA base */ 912 bus = sof_to_bus(sdev); 913 ret = hda_init(sdev); 914 if (ret < 0) 915 goto hdac_bus_unmap; 916 917 /* DSP base */ 918 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 919 if (!sdev->bar[HDA_DSP_BAR]) { 920 dev_err(sdev->dev, "error: ioremap error\n"); 921 ret = -ENXIO; 922 goto hdac_bus_unmap; 923 } 924 925 sdev->mmio_bar = HDA_DSP_BAR; 926 sdev->mailbox_bar = HDA_DSP_BAR; 927 928 /* allow 64bit DMA address if supported by H/W */ 929 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 930 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 931 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 932 } 933 dma_set_max_seg_size(&pci->dev, UINT_MAX); 934 935 /* init streams */ 936 ret = hda_dsp_stream_init(sdev); 937 if (ret < 0) { 938 dev_err(sdev->dev, "error: failed to init streams\n"); 939 /* 940 * not all errors are due to memory issues, but trying 941 * to free everything does not harm 942 */ 943 goto free_streams; 944 } 945 946 /* 947 * register our IRQ 948 * let's try to enable msi firstly 949 * if it fails, use legacy interrupt mode 950 * TODO: support msi multiple vectors 951 */ 952 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 953 dev_info(sdev->dev, "use msi interrupt mode\n"); 954 sdev->ipc_irq = pci_irq_vector(pci, 0); 955 /* initialised to "false" by kzalloc() */ 956 sdev->msi_enabled = true; 957 } 958 959 if (!sdev->msi_enabled) { 960 dev_info(sdev->dev, "use legacy interrupt mode\n"); 961 /* 962 * in IO-APIC mode, hda->irq and ipc_irq are using the same 963 * irq number of pci->irq 964 */ 965 sdev->ipc_irq = pci->irq; 966 } 967 968 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 969 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 970 hda_dsp_interrupt_thread, 971 IRQF_SHARED, "AudioDSP", sdev); 972 if (ret < 0) { 973 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 974 sdev->ipc_irq); 975 goto free_irq_vector; 976 } 977 978 pci_set_master(pci); 979 synchronize_irq(pci->irq); 980 981 /* 982 * clear TCSEL to clear playback on some HD Audio 983 * codecs. PCI TCSEL is defined in the Intel manuals. 984 */ 985 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 986 987 /* init HDA capabilities */ 988 ret = hda_init_caps(sdev); 989 if (ret < 0) 990 goto free_ipc_irq; 991 992 /* enable ppcap interrupt */ 993 hda_dsp_ctrl_ppcap_enable(sdev, true); 994 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 995 996 /* set default mailbox offset for FW ready message */ 997 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 998 999 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 1000 1001 hdev->nhlt = intel_nhlt_init(sdev->dev); 1002 1003 return 0; 1004 1005 free_ipc_irq: 1006 free_irq(sdev->ipc_irq, sdev); 1007 free_irq_vector: 1008 if (sdev->msi_enabled) 1009 pci_free_irq_vectors(pci); 1010 free_streams: 1011 hda_dsp_stream_free(sdev); 1012 /* dsp_unmap: not currently used */ 1013 iounmap(sdev->bar[HDA_DSP_BAR]); 1014 hdac_bus_unmap: 1015 platform_device_unregister(hdev->dmic_dev); 1016 iounmap(bus->remap_addr); 1017 hda_codec_i915_exit(sdev); 1018 err: 1019 return ret; 1020 } 1021 1022 int hda_dsp_remove(struct snd_sof_dev *sdev) 1023 { 1024 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 1025 const struct sof_intel_dsp_desc *chip = hda->desc; 1026 struct hdac_bus *bus = sof_to_bus(sdev); 1027 struct pci_dev *pci = to_pci_dev(sdev->dev); 1028 struct nhlt_acpi_table *nhlt = hda->nhlt; 1029 1030 if (nhlt) 1031 intel_nhlt_free(nhlt); 1032 1033 /* cancel any attempt for DSP D0I3 */ 1034 cancel_delayed_work_sync(&hda->d0i3_work); 1035 1036 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1037 /* codec removal, invoke bus_device_remove */ 1038 snd_hdac_ext_bus_device_remove(bus); 1039 #endif 1040 1041 hda_sdw_exit(sdev); 1042 1043 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 1044 platform_device_unregister(hda->dmic_dev); 1045 1046 /* disable DSP IRQ */ 1047 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1048 SOF_HDA_PPCTL_PIE, 0); 1049 1050 /* disable CIE and GIE interrupts */ 1051 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 1052 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 1053 1054 /* disable cores */ 1055 if (chip) 1056 hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); 1057 1058 /* disable DSP */ 1059 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1060 SOF_HDA_PPCTL_GPROCEN, 0); 1061 1062 free_irq(sdev->ipc_irq, sdev); 1063 if (sdev->msi_enabled) 1064 pci_free_irq_vectors(pci); 1065 1066 hda_dsp_stream_free(sdev); 1067 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1068 snd_hdac_link_free_all(bus); 1069 #endif 1070 1071 iounmap(sdev->bar[HDA_DSP_BAR]); 1072 iounmap(bus->remap_addr); 1073 1074 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1075 snd_hdac_ext_bus_exit(bus); 1076 #endif 1077 hda_codec_i915_exit(sdev); 1078 1079 return 0; 1080 } 1081 1082 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1083 static void hda_generic_machine_select(struct snd_sof_dev *sdev, 1084 struct snd_soc_acpi_mach **mach) 1085 { 1086 struct hdac_bus *bus = sof_to_bus(sdev); 1087 struct snd_soc_acpi_mach_params *mach_params; 1088 struct snd_soc_acpi_mach *hda_mach; 1089 struct snd_sof_pdata *pdata = sdev->pdata; 1090 const char *tplg_filename; 1091 const char *idisp_str; 1092 int dmic_num = 0; 1093 int codec_num = 0; 1094 int ret; 1095 int i; 1096 1097 /* codec detection */ 1098 if (!bus->codec_mask) { 1099 dev_info(bus->dev, "no hda codecs found!\n"); 1100 } else { 1101 dev_info(bus->dev, "hda codecs found, mask %lx\n", 1102 bus->codec_mask); 1103 1104 for (i = 0; i < HDA_MAX_CODECS; i++) { 1105 if (bus->codec_mask & (1 << i)) 1106 codec_num++; 1107 } 1108 1109 /* 1110 * If no machine driver is found, then: 1111 * 1112 * generic hda machine driver can handle: 1113 * - one HDMI codec, and/or 1114 * - one external HDAudio codec 1115 */ 1116 if (!*mach && codec_num <= 2) { 1117 hda_mach = snd_soc_acpi_intel_hda_machines; 1118 1119 dev_info(bus->dev, "using HDA machine driver %s now\n", 1120 hda_mach->drv_name); 1121 1122 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1123 idisp_str = "-idisp"; 1124 else 1125 idisp_str = ""; 1126 1127 /* topology: use the info from hda_machines */ 1128 tplg_filename = hda_mach->sof_tplg_filename; 1129 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); 1130 if (ret < 0) 1131 return; 1132 1133 hda_mach->mach_params.dmic_num = dmic_num; 1134 pdata->tplg_filename = tplg_filename; 1135 1136 if (codec_num == 2) { 1137 /* 1138 * Prevent SoundWire links from starting when an external 1139 * HDaudio codec is used 1140 */ 1141 hda_mach->mach_params.link_mask = 0; 1142 } 1143 1144 *mach = hda_mach; 1145 } 1146 } 1147 1148 /* used by hda machine driver to create dai links */ 1149 if (*mach) { 1150 mach_params = &(*mach)->mach_params; 1151 mach_params->codec_mask = bus->codec_mask; 1152 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1153 } 1154 } 1155 #else 1156 static void hda_generic_machine_select(struct snd_sof_dev *sdev, 1157 struct snd_soc_acpi_mach **mach) 1158 { 1159 } 1160 #endif 1161 1162 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1163 1164 #define SDW_CODEC_ADR_MASK(_adr) ((_adr) & (SDW_DISCO_LINK_ID_MASK | SDW_VERSION_MASK | \ 1165 SDW_MFG_ID_MASK | SDW_PART_ID_MASK)) 1166 1167 /* Check if all Slaves defined on the link can be found */ 1168 static bool link_slaves_found(struct snd_sof_dev *sdev, 1169 const struct snd_soc_acpi_link_adr *link, 1170 struct sdw_intel_ctx *sdw) 1171 { 1172 struct hdac_bus *bus = sof_to_bus(sdev); 1173 struct sdw_intel_slave_id *ids = sdw->ids; 1174 int num_slaves = sdw->num_slaves; 1175 unsigned int part_id, link_id, unique_id, mfg_id, version; 1176 int i, j, k; 1177 1178 for (i = 0; i < link->num_adr; i++) { 1179 u64 adr = link->adr_d[i].adr; 1180 int reported_part_count = 0; 1181 1182 mfg_id = SDW_MFG_ID(adr); 1183 part_id = SDW_PART_ID(adr); 1184 link_id = SDW_DISCO_LINK_ID(adr); 1185 version = SDW_VERSION(adr); 1186 1187 for (j = 0; j < num_slaves; j++) { 1188 /* find out how many identical parts were reported on that link */ 1189 if (ids[j].link_id == link_id && 1190 ids[j].id.part_id == part_id && 1191 ids[j].id.mfg_id == mfg_id && 1192 ids[j].id.sdw_version == version) 1193 reported_part_count++; 1194 } 1195 1196 for (j = 0; j < num_slaves; j++) { 1197 int expected_part_count = 0; 1198 1199 if (ids[j].link_id != link_id || 1200 ids[j].id.part_id != part_id || 1201 ids[j].id.mfg_id != mfg_id || 1202 ids[j].id.sdw_version != version) 1203 continue; 1204 1205 /* find out how many identical parts are expected */ 1206 for (k = 0; k < link->num_adr; k++) { 1207 u64 adr2 = link->adr_d[k].adr; 1208 1209 if (SDW_CODEC_ADR_MASK(adr2) == SDW_CODEC_ADR_MASK(adr)) 1210 expected_part_count++; 1211 } 1212 1213 if (reported_part_count == expected_part_count) { 1214 /* 1215 * we have to check unique id 1216 * if there is more than one 1217 * Slave on the link 1218 */ 1219 unique_id = SDW_UNIQUE_ID(adr); 1220 if (reported_part_count == 1 || 1221 ids[j].id.unique_id == unique_id) { 1222 dev_dbg(bus->dev, "found %x at link %d\n", 1223 part_id, link_id); 1224 break; 1225 } 1226 } else { 1227 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", 1228 part_id, reported_part_count, expected_part_count, link_id); 1229 } 1230 } 1231 if (j == num_slaves) { 1232 dev_dbg(bus->dev, 1233 "Slave %x not found\n", 1234 part_id); 1235 return false; 1236 } 1237 } 1238 return true; 1239 } 1240 1241 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) 1242 { 1243 struct snd_sof_pdata *pdata = sdev->pdata; 1244 const struct snd_soc_acpi_link_adr *link; 1245 struct snd_soc_acpi_mach *mach; 1246 struct sof_intel_hda_dev *hdev; 1247 u32 link_mask; 1248 int i; 1249 1250 hdev = pdata->hw_pdata; 1251 link_mask = hdev->info.link_mask; 1252 1253 /* 1254 * Select SoundWire machine driver if needed using the 1255 * alternate tables. This case deals with SoundWire-only 1256 * machines, for mixed cases with I2C/I2S the detection relies 1257 * on the HID list. 1258 */ 1259 if (link_mask) { 1260 for (mach = pdata->desc->alt_machines; 1261 mach && mach->link_mask; mach++) { 1262 /* 1263 * On some platforms such as Up Extreme all links 1264 * are enabled but only one link can be used by 1265 * external codec. Instead of exact match of two masks, 1266 * first check whether link_mask of mach is subset of 1267 * link_mask supported by hw and then go on searching 1268 * link_adr 1269 */ 1270 if (~link_mask & mach->link_mask) 1271 continue; 1272 1273 /* No need to match adr if there is no links defined */ 1274 if (!mach->links) 1275 break; 1276 1277 link = mach->links; 1278 for (i = 0; i < hdev->info.count && link->num_adr; 1279 i++, link++) { 1280 /* 1281 * Try next machine if any expected Slaves 1282 * are not found on this link. 1283 */ 1284 if (!link_slaves_found(sdev, link, hdev->sdw)) 1285 break; 1286 } 1287 /* Found if all Slaves are checked */ 1288 if (i == hdev->info.count || !link->num_adr) 1289 break; 1290 } 1291 if (mach && mach->link_mask) { 1292 int dmic_num = 0; 1293 1294 mach->mach_params.links = mach->links; 1295 mach->mach_params.link_mask = mach->link_mask; 1296 mach->mach_params.platform = dev_name(sdev->dev); 1297 pdata->fw_filename = pdata->desc->default_fw_filename[pdata->ipc_type]; 1298 pdata->tplg_filename = mach->sof_tplg_filename; 1299 1300 /* 1301 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire 1302 * link 2 and 3, thus we only try to enable dmics if all conditions 1303 * are true: 1304 * a) link 2 and 3 are not used by SoundWire 1305 * b) the NHLT table reports the presence of microphones 1306 */ 1307 if (!(mach->link_mask & GENMASK(3, 2))) { 1308 const char *tplg_filename = mach->sof_tplg_filename; 1309 int ret; 1310 1311 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); 1312 if (ret < 0) 1313 return NULL; 1314 1315 pdata->tplg_filename = tplg_filename; 1316 } 1317 mach->mach_params.dmic_num = dmic_num; 1318 1319 dev_dbg(sdev->dev, 1320 "SoundWire machine driver %s topology %s\n", 1321 mach->drv_name, 1322 pdata->tplg_filename); 1323 1324 return mach; 1325 } 1326 1327 dev_info(sdev->dev, "No SoundWire machine driver found\n"); 1328 } 1329 1330 return NULL; 1331 } 1332 #else 1333 static struct snd_soc_acpi_mach *hda_sdw_machine_select(struct snd_sof_dev *sdev) 1334 { 1335 return NULL; 1336 } 1337 #endif 1338 1339 void hda_set_mach_params(struct snd_soc_acpi_mach *mach, 1340 struct snd_sof_dev *sdev) 1341 { 1342 struct snd_sof_pdata *pdata = sdev->pdata; 1343 const struct sof_dev_desc *desc = pdata->desc; 1344 struct snd_soc_acpi_mach_params *mach_params; 1345 1346 mach_params = &mach->mach_params; 1347 mach_params->platform = dev_name(sdev->dev); 1348 mach_params->num_dai_drivers = desc->ops->num_drv; 1349 mach_params->dai_drivers = desc->ops->drv; 1350 } 1351 1352 struct snd_soc_acpi_mach *hda_machine_select(struct snd_sof_dev *sdev) 1353 { 1354 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1355 const struct sof_dev_desc *desc = sof_pdata->desc; 1356 struct snd_soc_acpi_mach *mach; 1357 const char *tplg_filename; 1358 1359 mach = snd_soc_acpi_find_machine(desc->machines); 1360 if (mach) { 1361 bool add_extension = false; 1362 1363 /* 1364 * If tplg file name is overridden, use it instead of 1365 * the one set in mach table 1366 */ 1367 if (!sof_pdata->tplg_filename) 1368 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1369 1370 /* report to machine driver if any DMICs are found */ 1371 mach->mach_params.dmic_num = check_dmic_num(sdev); 1372 1373 if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_DMIC_NUMBER && 1374 mach->mach_params.dmic_num) { 1375 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 1376 "%s%s%d%s", 1377 sof_pdata->tplg_filename, 1378 "-dmic", 1379 mach->mach_params.dmic_num, 1380 "ch"); 1381 if (!tplg_filename) 1382 return NULL; 1383 1384 sof_pdata->tplg_filename = tplg_filename; 1385 add_extension = true; 1386 } 1387 1388 if (mach->link_mask) { 1389 mach->mach_params.links = mach->links; 1390 mach->mach_params.link_mask = mach->link_mask; 1391 } 1392 1393 /* report SSP link mask to machine driver */ 1394 mach->mach_params.i2s_link_mask = check_nhlt_ssp_mask(sdev); 1395 1396 if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER && 1397 mach->mach_params.i2s_link_mask) { 1398 int ssp_num; 1399 1400 if (hweight_long(mach->mach_params.i2s_link_mask) > 1 && 1401 !(mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_MSB)) 1402 dev_warn(sdev->dev, "More than one SSP exposed by NHLT, choosing MSB\n"); 1403 1404 /* fls returns 1-based results, SSPs indices are 0-based */ 1405 ssp_num = fls(mach->mach_params.i2s_link_mask) - 1; 1406 1407 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 1408 "%s%s%d", 1409 sof_pdata->tplg_filename, 1410 "-ssp", 1411 ssp_num); 1412 if (!tplg_filename) 1413 return NULL; 1414 1415 sof_pdata->tplg_filename = tplg_filename; 1416 add_extension = true; 1417 } 1418 1419 if (add_extension) { 1420 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 1421 "%s%s", 1422 sof_pdata->tplg_filename, 1423 ".tplg"); 1424 if (!tplg_filename) 1425 return NULL; 1426 1427 sof_pdata->tplg_filename = tplg_filename; 1428 } 1429 } 1430 1431 /* 1432 * If I2S fails, try SoundWire 1433 */ 1434 if (!mach) 1435 mach = hda_sdw_machine_select(sdev); 1436 1437 /* 1438 * Choose HDA generic machine driver if mach is NULL. 1439 * Otherwise, set certain mach params. 1440 */ 1441 hda_generic_machine_select(sdev, &mach); 1442 if (!mach) 1443 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1444 1445 return mach; 1446 } 1447 1448 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 1449 { 1450 int ret; 1451 1452 ret = snd_intel_dsp_driver_probe(pci); 1453 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 1454 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); 1455 return -ENODEV; 1456 } 1457 1458 return sof_pci_probe(pci, pci_id); 1459 } 1460 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); 1461 1462 int hda_register_clients(struct snd_sof_dev *sdev) 1463 { 1464 return hda_probes_register(sdev); 1465 } 1466 1467 void hda_unregister_clients(struct snd_sof_dev *sdev) 1468 { 1469 hda_probes_unregister(sdev); 1470 } 1471 1472 MODULE_LICENSE("Dual BSD/GPL"); 1473 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 1474 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1475 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1476 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1477 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); 1478 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1479