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 /* DAI already configured, reset it before reconfiguring it */ 62 if (sof_dai->configured) { 63 ret = hda_ctrl_dai_widget_free(w); 64 if (ret < 0) 65 return ret; 66 } 67 68 config = &sof_dai->dai_config[sof_dai->current_config]; 69 70 /* 71 * For static pipelines, the DAI widget would already be set up and calling 72 * sof_widget_setup() simply returns without doing anything. 73 * For dynamic pipelines, the DAI widget will be set up now. 74 */ 75 ret = sof_widget_setup(sdev, swidget); 76 if (ret < 0) { 77 dev_err(sdev->dev, "error: failed setting up DAI widget %s\n", w->name); 78 return ret; 79 } 80 81 /* set HW_PARAMS flag */ 82 config->flags = FIELD_PREP(SOF_DAI_CONFIG_FLAGS_MASK, SOF_DAI_CONFIG_FLAGS_HW_PARAMS); 83 84 /* send DAI_CONFIG IPC */ 85 ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, 86 &reply, sizeof(reply)); 87 if (ret < 0) { 88 dev_err(sdev->dev, "error: failed setting DAI config for %s\n", w->name); 89 return ret; 90 } 91 92 sof_dai->configured = true; 93 94 return 0; 95 } 96 97 int hda_ctrl_dai_widget_free(struct snd_soc_dapm_widget *w) 98 { 99 struct snd_sof_widget *swidget = w->dobj.private; 100 struct snd_soc_component *component = swidget->scomp; 101 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); 102 struct sof_ipc_dai_config *config; 103 struct snd_sof_dai *sof_dai; 104 struct sof_ipc_reply reply; 105 int ret; 106 107 sof_dai = swidget->private; 108 109 if (!sof_dai || !sof_dai->dai_config) { 110 dev_err(sdev->dev, "error: No config to free DAI %s\n", w->name); 111 return -EINVAL; 112 } 113 114 /* nothing to do if hw_free() is called without restarting the stream after resume. */ 115 if (!sof_dai->configured) 116 return 0; 117 118 config = &sof_dai->dai_config[sof_dai->current_config]; 119 120 /* set HW_FREE flag */ 121 config->flags = FIELD_PREP(SOF_DAI_CONFIG_FLAGS_MASK, SOF_DAI_CONFIG_FLAGS_HW_FREE); 122 123 ret = sof_ipc_tx_message(sdev->ipc, config->hdr.cmd, config, config->hdr.size, 124 &reply, sizeof(reply)); 125 if (ret < 0) 126 dev_err(sdev->dev, "error: failed resetting DAI config for %s\n", w->name); 127 128 /* 129 * Reset the configured_flag and free the widget even if the IPC fails to keep 130 * the widget use_count balanced 131 */ 132 sof_dai->configured = false; 133 134 return sof_widget_free(sdev, swidget); 135 } 136 137 static const struct sof_intel_dsp_desc 138 *get_chip_info(struct snd_sof_pdata *pdata) 139 { 140 const struct sof_dev_desc *desc = pdata->desc; 141 const struct sof_intel_dsp_desc *chip_info; 142 143 chip_info = desc->chip_info; 144 145 return chip_info; 146 } 147 148 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 149 150 /* 151 * The default for SoundWire clock stop quirks is to power gate the IP 152 * and do a Bus Reset, this will need to be modified when the DSP 153 * needs to remain in D0i3 so that the Master does not lose context 154 * and enumeration is not required on clock restart 155 */ 156 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; 157 module_param(sdw_clock_stop_quirks, int, 0444); 158 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); 159 160 static int sdw_dai_config_ipc(struct snd_sof_dev *sdev, 161 struct snd_soc_dapm_widget *w, 162 int link_id, int alh_stream_id, int dai_id, bool setup) 163 { 164 struct snd_sof_widget *swidget = w->dobj.private; 165 struct sof_ipc_dai_config *config; 166 struct snd_sof_dai *sof_dai; 167 168 if (!swidget) { 169 dev_err(sdev->dev, "error: No private data for widget %s\n", w->name); 170 return -EINVAL; 171 } 172 173 sof_dai = swidget->private; 174 175 if (!sof_dai || !sof_dai->dai_config) { 176 dev_err(sdev->dev, "error: No config for DAI %s\n", w->name); 177 return -EINVAL; 178 } 179 180 config = &sof_dai->dai_config[sof_dai->current_config]; 181 182 /* update config with link and stream ID */ 183 config->dai_index = (link_id << 8) | dai_id; 184 config->alh.stream_id = alh_stream_id; 185 186 if (setup) 187 return hda_ctrl_dai_widget_setup(w); 188 189 return hda_ctrl_dai_widget_free(w); 190 } 191 192 static int sdw_params_stream(struct device *dev, 193 struct sdw_intel_stream_params_data *params_data) 194 { 195 struct snd_pcm_substream *substream = params_data->substream; 196 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 197 struct snd_soc_dai *d = params_data->dai; 198 struct snd_soc_dapm_widget *w; 199 200 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 201 w = d->playback_widget; 202 else 203 w = d->capture_widget; 204 205 return sdw_dai_config_ipc(sdev, w, params_data->link_id, params_data->alh_stream_id, 206 d->id, true); 207 } 208 209 static int sdw_free_stream(struct device *dev, 210 struct sdw_intel_stream_free_data *free_data) 211 { 212 struct snd_pcm_substream *substream = free_data->substream; 213 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 214 struct snd_soc_dai *d = free_data->dai; 215 struct snd_soc_dapm_widget *w; 216 217 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 218 w = d->playback_widget; 219 else 220 w = d->capture_widget; 221 222 /* send invalid stream_id */ 223 return sdw_dai_config_ipc(sdev, w, free_data->link_id, 0xFFFF, d->id, false); 224 } 225 226 static const struct sdw_intel_ops sdw_callback = { 227 .params_stream = sdw_params_stream, 228 .free_stream = sdw_free_stream, 229 }; 230 231 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 232 { 233 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 234 } 235 236 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 237 { 238 struct sof_intel_hda_dev *hdev; 239 acpi_handle handle; 240 int ret; 241 242 handle = ACPI_HANDLE(sdev->dev); 243 244 /* save ACPI info for the probe step */ 245 hdev = sdev->pdata->hw_pdata; 246 247 ret = sdw_intel_acpi_scan(handle, &hdev->info); 248 if (ret < 0) 249 return -EINVAL; 250 251 return 0; 252 } 253 254 static int hda_sdw_probe(struct snd_sof_dev *sdev) 255 { 256 struct sof_intel_hda_dev *hdev; 257 struct sdw_intel_res res; 258 void *sdw; 259 260 hdev = sdev->pdata->hw_pdata; 261 262 memset(&res, 0, sizeof(res)); 263 264 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 265 res.shim_base = hdev->desc->sdw_shim_base; 266 res.alh_base = hdev->desc->sdw_alh_base; 267 res.irq = sdev->ipc_irq; 268 res.handle = hdev->info.handle; 269 res.parent = sdev->dev; 270 res.ops = &sdw_callback; 271 res.dev = sdev->dev; 272 res.clock_stop_quirks = sdw_clock_stop_quirks; 273 274 /* 275 * ops and arg fields are not populated for now, 276 * they will be needed when the DAI callbacks are 277 * provided 278 */ 279 280 /* we could filter links here if needed, e.g for quirks */ 281 res.count = hdev->info.count; 282 res.link_mask = hdev->info.link_mask; 283 284 sdw = sdw_intel_probe(&res); 285 if (!sdw) { 286 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 287 return -EINVAL; 288 } 289 290 /* save context */ 291 hdev->sdw = sdw; 292 293 return 0; 294 } 295 296 int hda_sdw_startup(struct snd_sof_dev *sdev) 297 { 298 struct sof_intel_hda_dev *hdev; 299 struct snd_sof_pdata *pdata = sdev->pdata; 300 301 hdev = sdev->pdata->hw_pdata; 302 303 if (!hdev->sdw) 304 return 0; 305 306 if (pdata->machine && !pdata->machine->mach_params.link_mask) 307 return 0; 308 309 return sdw_intel_startup(hdev->sdw); 310 } 311 312 static int hda_sdw_exit(struct snd_sof_dev *sdev) 313 { 314 struct sof_intel_hda_dev *hdev; 315 316 hdev = sdev->pdata->hw_pdata; 317 318 hda_sdw_int_enable(sdev, false); 319 320 if (hdev->sdw) 321 sdw_intel_exit(hdev->sdw); 322 hdev->sdw = NULL; 323 324 return 0; 325 } 326 327 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) 328 { 329 struct sof_intel_hda_dev *hdev; 330 bool ret = false; 331 u32 irq_status; 332 333 hdev = sdev->pdata->hw_pdata; 334 335 if (!hdev->sdw) 336 return ret; 337 338 /* store status */ 339 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 340 341 /* invalid message ? */ 342 if (irq_status == 0xffffffff) 343 goto out; 344 345 /* SDW message ? */ 346 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 347 ret = true; 348 349 out: 350 return ret; 351 } 352 353 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 354 { 355 const struct sof_intel_dsp_desc *chip; 356 357 chip = get_chip_info(sdev->pdata); 358 if (chip && chip->check_sdw_irq) 359 return chip->check_sdw_irq(sdev); 360 361 return false; 362 } 363 364 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 365 { 366 return sdw_intel_thread(irq, context); 367 } 368 369 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 370 { 371 struct sof_intel_hda_dev *hdev; 372 373 hdev = sdev->pdata->hw_pdata; 374 if (hdev->sdw && 375 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 376 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) 377 return true; 378 379 return false; 380 } 381 382 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 383 { 384 struct sof_intel_hda_dev *hdev; 385 386 hdev = sdev->pdata->hw_pdata; 387 if (!hdev->sdw) 388 return; 389 390 sdw_intel_process_wakeen_event(hdev->sdw); 391 } 392 393 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 394 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 395 { 396 return 0; 397 } 398 399 static inline int hda_sdw_probe(struct snd_sof_dev *sdev) 400 { 401 return 0; 402 } 403 404 static inline int hda_sdw_exit(struct snd_sof_dev *sdev) 405 { 406 return 0; 407 } 408 409 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 410 { 411 return false; 412 } 413 414 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 415 { 416 return IRQ_HANDLED; 417 } 418 419 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 420 { 421 return false; 422 } 423 424 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 425 426 /* 427 * Debug 428 */ 429 430 struct hda_dsp_msg_code { 431 u32 code; 432 const char *msg; 433 }; 434 435 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 436 static bool hda_use_msi = true; 437 module_param_named(use_msi, hda_use_msi, bool, 0444); 438 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 439 #else 440 #define hda_use_msi (1) 441 #endif 442 443 static char *hda_model; 444 module_param(hda_model, charp, 0444); 445 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 446 447 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 448 static int hda_dmic_num = -1; 449 module_param_named(dmic_num, hda_dmic_num, int, 0444); 450 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 451 #endif 452 453 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 454 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 455 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 456 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 457 #endif 458 459 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 460 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 461 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 462 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 463 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 464 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 465 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 466 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 467 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 468 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 469 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 470 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 471 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 472 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 473 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 474 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 475 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 476 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 477 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 478 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 479 }; 480 481 static void hda_dsp_get_status(struct snd_sof_dev *sdev) 482 { 483 u32 status; 484 int i; 485 486 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 487 HDA_DSP_SRAM_REG_ROM_STATUS); 488 489 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 490 if (status == hda_dsp_rom_msg[i].code) { 491 dev_err(sdev->dev, "%s - code %8.8x\n", 492 hda_dsp_rom_msg[i].msg, status); 493 return; 494 } 495 } 496 497 /* not for us, must be generic sof message */ 498 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 499 } 500 501 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 502 struct sof_ipc_dsp_oops_xtensa *xoops, 503 struct sof_ipc_panic_info *panic_info, 504 u32 *stack, size_t stack_words) 505 { 506 u32 offset = sdev->dsp_oops_offset; 507 508 /* first read registers */ 509 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 510 511 /* note: variable AR register array is not read */ 512 513 /* then get panic info */ 514 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 515 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 516 xoops->arch_hdr.totalsize); 517 return; 518 } 519 offset += xoops->arch_hdr.totalsize; 520 sof_block_read(sdev, sdev->mmio_bar, offset, 521 panic_info, sizeof(*panic_info)); 522 523 /* then get the stack */ 524 offset += sizeof(*panic_info); 525 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 526 stack_words * sizeof(u32)); 527 } 528 529 /* dump the first 8 dwords representing the extended ROM status */ 530 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags) 531 { 532 char msg[128]; 533 int len = 0; 534 u32 value; 535 int i; 536 537 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 538 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); 539 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 540 } 541 542 dev_err(sdev->dev, "extended rom status: %s", msg); 543 544 } 545 546 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 547 { 548 struct sof_ipc_dsp_oops_xtensa xoops; 549 struct sof_ipc_panic_info panic_info; 550 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 551 552 /* print ROM/FW status */ 553 hda_dsp_get_status(sdev); 554 555 if (flags & SOF_DBG_DUMP_REGS) { 556 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS); 557 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 558 559 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 560 HDA_DSP_STACK_DUMP_SIZE); 561 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 562 stack, HDA_DSP_STACK_DUMP_SIZE); 563 } else { 564 hda_dsp_dump_ext_rom_status(sdev, flags); 565 } 566 } 567 568 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 569 { 570 struct hdac_bus *bus = sof_to_bus(sdev); 571 u32 adspis; 572 u32 intsts; 573 u32 intctl; 574 u32 ppsts; 575 u8 rirbsts; 576 577 /* read key IRQ stats and config registers */ 578 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 579 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 580 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 581 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 582 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 583 584 dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 585 intsts, intctl, rirbsts); 586 dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); 587 } 588 589 void hda_ipc_dump(struct snd_sof_dev *sdev) 590 { 591 u32 hipcie; 592 u32 hipct; 593 u32 hipcctl; 594 595 hda_ipc_irq_dump(sdev); 596 597 /* read IPC status */ 598 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 599 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 600 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 601 602 /* dump the IPC regs */ 603 /* TODO: parse the raw msg */ 604 dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 605 hipcie, hipct, hipcctl); 606 } 607 608 static int hda_init(struct snd_sof_dev *sdev) 609 { 610 struct hda_bus *hbus; 611 struct hdac_bus *bus; 612 struct pci_dev *pci = to_pci_dev(sdev->dev); 613 int ret; 614 615 hbus = sof_to_hbus(sdev); 616 bus = sof_to_bus(sdev); 617 618 /* HDA bus init */ 619 sof_hda_bus_init(bus, &pci->dev); 620 621 bus->use_posbuf = 1; 622 bus->bdl_pos_adj = 0; 623 bus->sync_write = 1; 624 625 mutex_init(&hbus->prepare_mutex); 626 hbus->pci = pci; 627 hbus->mixer_assigned = -1; 628 hbus->modelname = hda_model; 629 630 /* initialise hdac bus */ 631 bus->addr = pci_resource_start(pci, 0); 632 bus->remap_addr = pci_ioremap_bar(pci, 0); 633 if (!bus->remap_addr) { 634 dev_err(bus->dev, "error: ioremap error\n"); 635 return -ENXIO; 636 } 637 638 /* HDA base */ 639 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 640 641 /* init i915 and HDMI codecs */ 642 ret = hda_codec_i915_init(sdev); 643 if (ret < 0) 644 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 645 646 /* get controller capabilities */ 647 ret = hda_dsp_ctrl_get_caps(sdev); 648 if (ret < 0) 649 dev_err(sdev->dev, "error: get caps error\n"); 650 651 return ret; 652 } 653 654 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 655 656 static int check_nhlt_dmic(struct snd_sof_dev *sdev) 657 { 658 struct nhlt_acpi_table *nhlt; 659 int dmic_num; 660 661 nhlt = intel_nhlt_init(sdev->dev); 662 if (nhlt) { 663 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 664 intel_nhlt_free(nhlt); 665 if (dmic_num >= 1 && dmic_num <= 4) 666 return dmic_num; 667 } 668 669 return 0; 670 } 671 672 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 673 const char *sof_tplg_filename, 674 const char *idisp_str, 675 const char *dmic_str) 676 { 677 const char *tplg_filename = NULL; 678 char *filename, *tmp; 679 const char *split_ext; 680 681 filename = kstrdup(sof_tplg_filename, GFP_KERNEL); 682 if (!filename) 683 return NULL; 684 685 /* this assumes a .tplg extension */ 686 tmp = filename; 687 split_ext = strsep(&tmp, "."); 688 if (split_ext) 689 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 690 "%s%s%s.tplg", 691 split_ext, idisp_str, dmic_str); 692 kfree(filename); 693 694 return tplg_filename; 695 } 696 697 static int dmic_topology_fixup(struct snd_sof_dev *sdev, 698 const char **tplg_filename, 699 const char *idisp_str, 700 int *dmic_found) 701 { 702 const char *default_tplg_filename = *tplg_filename; 703 const char *fixed_tplg_filename; 704 const char *dmic_str; 705 int dmic_num; 706 707 /* first check NHLT for DMICs */ 708 dmic_num = check_nhlt_dmic(sdev); 709 710 /* allow for module parameter override */ 711 if (hda_dmic_num != -1) { 712 dev_dbg(sdev->dev, 713 "overriding DMICs detected in NHLT tables %d by kernel param %d\n", 714 dmic_num, hda_dmic_num); 715 dmic_num = hda_dmic_num; 716 } 717 718 switch (dmic_num) { 719 case 1: 720 dmic_str = "-1ch"; 721 break; 722 case 2: 723 dmic_str = "-2ch"; 724 break; 725 case 3: 726 dmic_str = "-3ch"; 727 break; 728 case 4: 729 dmic_str = "-4ch"; 730 break; 731 default: 732 dmic_num = 0; 733 dmic_str = ""; 734 break; 735 } 736 737 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, 738 idisp_str, dmic_str); 739 if (!fixed_tplg_filename) 740 return -ENOMEM; 741 742 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); 743 *dmic_found = dmic_num; 744 *tplg_filename = fixed_tplg_filename; 745 746 return 0; 747 } 748 #endif 749 750 static int hda_init_caps(struct snd_sof_dev *sdev) 751 { 752 struct hdac_bus *bus = sof_to_bus(sdev); 753 struct snd_sof_pdata *pdata = sdev->pdata; 754 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 755 struct hdac_ext_link *hlink; 756 #endif 757 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 758 u32 link_mask; 759 int ret = 0; 760 761 /* check if dsp is there */ 762 if (bus->ppcap) 763 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 764 765 /* Init HDA controller after i915 init */ 766 ret = hda_dsp_ctrl_init_chip(sdev, true); 767 if (ret < 0) { 768 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 769 ret); 770 return ret; 771 } 772 773 /* scan SoundWire capabilities exposed by DSDT */ 774 ret = hda_sdw_acpi_scan(sdev); 775 if (ret < 0) { 776 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 777 goto skip_soundwire; 778 } 779 780 link_mask = hdev->info.link_mask; 781 if (!link_mask) { 782 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 783 goto skip_soundwire; 784 } 785 786 /* 787 * probe/allocate SoundWire resources. 788 * The hardware configuration takes place in hda_sdw_startup 789 * after power rails are enabled. 790 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 791 * devices, so we allocate the resources in all cases. 792 */ 793 ret = hda_sdw_probe(sdev); 794 if (ret < 0) { 795 dev_err(sdev->dev, "error: SoundWire probe error\n"); 796 return ret; 797 } 798 799 skip_soundwire: 800 801 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 802 if (bus->mlcap) 803 snd_hdac_ext_bus_get_ml_capabilities(bus); 804 805 /* create codec instances */ 806 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 807 808 if (!HDA_IDISP_CODEC(bus->codec_mask)) 809 hda_codec_i915_display_power(sdev, false); 810 811 /* 812 * we are done probing so decrement link counts 813 */ 814 list_for_each_entry(hlink, &bus->hlink_list, list) 815 snd_hdac_ext_bus_link_put(bus, hlink); 816 #endif 817 return 0; 818 } 819 820 static void hda_check_for_state_change(struct snd_sof_dev *sdev) 821 { 822 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 823 struct hdac_bus *bus = sof_to_bus(sdev); 824 unsigned int codec_mask; 825 826 codec_mask = snd_hdac_chip_readw(bus, STATESTS); 827 if (codec_mask) { 828 hda_codec_jack_check(sdev); 829 snd_hdac_chip_writew(bus, STATESTS, codec_mask); 830 } 831 #endif 832 } 833 834 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 835 { 836 struct snd_sof_dev *sdev = context; 837 838 /* 839 * Get global interrupt status. It includes all hardware interrupt 840 * sources in the Intel HD Audio controller. 841 */ 842 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 843 SOF_HDA_INTSTS_GIS) { 844 845 /* disable GIE interrupt */ 846 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 847 SOF_HDA_INTCTL, 848 SOF_HDA_INT_GLOBAL_EN, 849 0); 850 851 return IRQ_WAKE_THREAD; 852 } 853 854 return IRQ_NONE; 855 } 856 857 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 858 { 859 struct snd_sof_dev *sdev = context; 860 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 861 862 /* deal with streams and controller first */ 863 if (hda_dsp_check_stream_irq(sdev)) 864 hda_dsp_stream_threaded_handler(irq, sdev); 865 866 if (hda_dsp_check_ipc_irq(sdev)) 867 sof_ops(sdev)->irq_thread(irq, sdev); 868 869 if (hda_dsp_check_sdw_irq(sdev)) 870 hda_dsp_sdw_thread(irq, hdev->sdw); 871 872 if (hda_sdw_check_wakeen_irq(sdev)) 873 hda_sdw_process_wakeen(sdev); 874 875 hda_check_for_state_change(sdev); 876 877 /* enable GIE interrupt */ 878 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 879 SOF_HDA_INTCTL, 880 SOF_HDA_INT_GLOBAL_EN, 881 SOF_HDA_INT_GLOBAL_EN); 882 883 return IRQ_HANDLED; 884 } 885 886 int hda_dsp_probe(struct snd_sof_dev *sdev) 887 { 888 struct pci_dev *pci = to_pci_dev(sdev->dev); 889 struct sof_intel_hda_dev *hdev; 890 struct hdac_bus *bus; 891 const struct sof_intel_dsp_desc *chip; 892 int ret = 0; 893 894 /* 895 * detect DSP by checking class/subclass/prog-id information 896 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 897 * class=04 subclass 01 prog-if 00: DSP is present 898 * (and may be required e.g. for DMIC or SSP support) 899 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 900 */ 901 if (pci->class == 0x040300) { 902 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 903 return -ENODEV; 904 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 905 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 906 return -ENODEV; 907 } 908 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 909 910 chip = get_chip_info(sdev->pdata); 911 if (!chip) { 912 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 913 pci->device); 914 ret = -EIO; 915 goto err; 916 } 917 918 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 919 if (!hdev) 920 return -ENOMEM; 921 sdev->pdata->hw_pdata = hdev; 922 hdev->desc = chip; 923 924 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 925 PLATFORM_DEVID_NONE, 926 NULL, 0); 927 if (IS_ERR(hdev->dmic_dev)) { 928 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 929 return PTR_ERR(hdev->dmic_dev); 930 } 931 932 /* 933 * use position update IPC if either it is forced 934 * or we don't have other choice 935 */ 936 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 937 hdev->no_ipc_position = 0; 938 #else 939 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 940 #endif 941 942 /* set up HDA base */ 943 bus = sof_to_bus(sdev); 944 ret = hda_init(sdev); 945 if (ret < 0) 946 goto hdac_bus_unmap; 947 948 /* DSP base */ 949 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 950 if (!sdev->bar[HDA_DSP_BAR]) { 951 dev_err(sdev->dev, "error: ioremap error\n"); 952 ret = -ENXIO; 953 goto hdac_bus_unmap; 954 } 955 956 sdev->mmio_bar = HDA_DSP_BAR; 957 sdev->mailbox_bar = HDA_DSP_BAR; 958 959 /* allow 64bit DMA address if supported by H/W */ 960 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 961 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 962 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 963 } 964 965 /* init streams */ 966 ret = hda_dsp_stream_init(sdev); 967 if (ret < 0) { 968 dev_err(sdev->dev, "error: failed to init streams\n"); 969 /* 970 * not all errors are due to memory issues, but trying 971 * to free everything does not harm 972 */ 973 goto free_streams; 974 } 975 976 /* 977 * register our IRQ 978 * let's try to enable msi firstly 979 * if it fails, use legacy interrupt mode 980 * TODO: support msi multiple vectors 981 */ 982 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 983 dev_info(sdev->dev, "use msi interrupt mode\n"); 984 sdev->ipc_irq = pci_irq_vector(pci, 0); 985 /* initialised to "false" by kzalloc() */ 986 sdev->msi_enabled = true; 987 } 988 989 if (!sdev->msi_enabled) { 990 dev_info(sdev->dev, "use legacy interrupt mode\n"); 991 /* 992 * in IO-APIC mode, hda->irq and ipc_irq are using the same 993 * irq number of pci->irq 994 */ 995 sdev->ipc_irq = pci->irq; 996 } 997 998 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 999 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 1000 hda_dsp_interrupt_thread, 1001 IRQF_SHARED, "AudioDSP", sdev); 1002 if (ret < 0) { 1003 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 1004 sdev->ipc_irq); 1005 goto free_irq_vector; 1006 } 1007 1008 pci_set_master(pci); 1009 synchronize_irq(pci->irq); 1010 1011 /* 1012 * clear TCSEL to clear playback on some HD Audio 1013 * codecs. PCI TCSEL is defined in the Intel manuals. 1014 */ 1015 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 1016 1017 /* init HDA capabilities */ 1018 ret = hda_init_caps(sdev); 1019 if (ret < 0) 1020 goto free_ipc_irq; 1021 1022 /* enable ppcap interrupt */ 1023 hda_dsp_ctrl_ppcap_enable(sdev, true); 1024 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 1025 1026 /* set default mailbox offset for FW ready message */ 1027 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 1028 1029 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 1030 1031 return 0; 1032 1033 free_ipc_irq: 1034 free_irq(sdev->ipc_irq, sdev); 1035 free_irq_vector: 1036 if (sdev->msi_enabled) 1037 pci_free_irq_vectors(pci); 1038 free_streams: 1039 hda_dsp_stream_free(sdev); 1040 /* dsp_unmap: not currently used */ 1041 iounmap(sdev->bar[HDA_DSP_BAR]); 1042 hdac_bus_unmap: 1043 platform_device_unregister(hdev->dmic_dev); 1044 iounmap(bus->remap_addr); 1045 hda_codec_i915_exit(sdev); 1046 err: 1047 return ret; 1048 } 1049 1050 int hda_dsp_remove(struct snd_sof_dev *sdev) 1051 { 1052 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 1053 struct hdac_bus *bus = sof_to_bus(sdev); 1054 struct pci_dev *pci = to_pci_dev(sdev->dev); 1055 const struct sof_intel_dsp_desc *chip = hda->desc; 1056 1057 /* cancel any attempt for DSP D0I3 */ 1058 cancel_delayed_work_sync(&hda->d0i3_work); 1059 1060 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1061 /* codec removal, invoke bus_device_remove */ 1062 snd_hdac_ext_bus_device_remove(bus); 1063 #endif 1064 1065 hda_sdw_exit(sdev); 1066 1067 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 1068 platform_device_unregister(hda->dmic_dev); 1069 1070 /* disable DSP IRQ */ 1071 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1072 SOF_HDA_PPCTL_PIE, 0); 1073 1074 /* disable CIE and GIE interrupts */ 1075 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 1076 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 1077 1078 /* disable cores */ 1079 if (chip) 1080 snd_sof_dsp_core_power_down(sdev, chip->host_managed_cores_mask); 1081 1082 /* disable DSP */ 1083 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1084 SOF_HDA_PPCTL_GPROCEN, 0); 1085 1086 free_irq(sdev->ipc_irq, sdev); 1087 if (sdev->msi_enabled) 1088 pci_free_irq_vectors(pci); 1089 1090 hda_dsp_stream_free(sdev); 1091 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1092 snd_hdac_link_free_all(bus); 1093 #endif 1094 1095 iounmap(sdev->bar[HDA_DSP_BAR]); 1096 iounmap(bus->remap_addr); 1097 1098 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1099 snd_hdac_ext_bus_exit(bus); 1100 #endif 1101 hda_codec_i915_exit(sdev); 1102 1103 return 0; 1104 } 1105 1106 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1107 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1108 { 1109 struct hdac_bus *bus = sof_to_bus(sdev); 1110 struct snd_soc_acpi_mach_params *mach_params; 1111 struct snd_soc_acpi_mach *hda_mach; 1112 struct snd_sof_pdata *pdata = sdev->pdata; 1113 const char *tplg_filename; 1114 const char *idisp_str; 1115 int dmic_num = 0; 1116 int codec_num = 0; 1117 int ret; 1118 int i; 1119 1120 /* codec detection */ 1121 if (!bus->codec_mask) { 1122 dev_info(bus->dev, "no hda codecs found!\n"); 1123 } else { 1124 dev_info(bus->dev, "hda codecs found, mask %lx\n", 1125 bus->codec_mask); 1126 1127 for (i = 0; i < HDA_MAX_CODECS; i++) { 1128 if (bus->codec_mask & (1 << i)) 1129 codec_num++; 1130 } 1131 1132 /* 1133 * If no machine driver is found, then: 1134 * 1135 * generic hda machine driver can handle: 1136 * - one HDMI codec, and/or 1137 * - one external HDAudio codec 1138 */ 1139 if (!pdata->machine && codec_num <= 2) { 1140 hda_mach = snd_soc_acpi_intel_hda_machines; 1141 1142 dev_info(bus->dev, "using HDA machine driver %s now\n", 1143 hda_mach->drv_name); 1144 1145 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1146 idisp_str = "-idisp"; 1147 else 1148 idisp_str = ""; 1149 1150 /* topology: use the info from hda_machines */ 1151 tplg_filename = hda_mach->sof_tplg_filename; 1152 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); 1153 if (ret < 0) 1154 return ret; 1155 1156 hda_mach->mach_params.dmic_num = dmic_num; 1157 pdata->machine = hda_mach; 1158 pdata->tplg_filename = tplg_filename; 1159 1160 if (codec_num == 2) { 1161 /* 1162 * Prevent SoundWire links from starting when an external 1163 * HDaudio codec is used 1164 */ 1165 hda_mach->mach_params.link_mask = 0; 1166 } 1167 } 1168 } 1169 1170 /* used by hda machine driver to create dai links */ 1171 if (pdata->machine) { 1172 mach_params = (struct snd_soc_acpi_mach_params *) 1173 &pdata->machine->mach_params; 1174 mach_params->codec_mask = bus->codec_mask; 1175 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1176 } 1177 1178 return 0; 1179 } 1180 #else 1181 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1182 { 1183 return 0; 1184 } 1185 #endif 1186 1187 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1188 /* Check if all Slaves defined on the link can be found */ 1189 static bool link_slaves_found(struct snd_sof_dev *sdev, 1190 const struct snd_soc_acpi_link_adr *link, 1191 struct sdw_intel_ctx *sdw) 1192 { 1193 struct hdac_bus *bus = sof_to_bus(sdev); 1194 struct sdw_intel_slave_id *ids = sdw->ids; 1195 int num_slaves = sdw->num_slaves; 1196 unsigned int part_id, link_id, unique_id, mfg_id; 1197 int i, j, k; 1198 1199 for (i = 0; i < link->num_adr; i++) { 1200 u64 adr = link->adr_d[i].adr; 1201 int reported_part_count = 0; 1202 1203 mfg_id = SDW_MFG_ID(adr); 1204 part_id = SDW_PART_ID(adr); 1205 link_id = SDW_DISCO_LINK_ID(adr); 1206 1207 for (j = 0; j < num_slaves; j++) { 1208 /* find out how many identical parts were reported on that link */ 1209 if (ids[j].link_id == link_id && 1210 ids[j].id.part_id == part_id && 1211 ids[j].id.mfg_id == mfg_id) 1212 reported_part_count++; 1213 } 1214 1215 for (j = 0; j < num_slaves; j++) { 1216 int expected_part_count = 0; 1217 1218 if (ids[j].link_id != link_id || 1219 ids[j].id.part_id != part_id || 1220 ids[j].id.mfg_id != mfg_id) 1221 continue; 1222 1223 /* find out how many identical parts are expected */ 1224 for (k = 0; k < link->num_adr; k++) { 1225 u64 adr2 = link->adr_d[k].adr; 1226 unsigned int part_id2, link_id2, mfg_id2; 1227 1228 mfg_id2 = SDW_MFG_ID(adr2); 1229 part_id2 = SDW_PART_ID(adr2); 1230 link_id2 = SDW_DISCO_LINK_ID(adr2); 1231 1232 if (link_id2 == link_id && 1233 part_id2 == part_id && 1234 mfg_id2 == mfg_id) 1235 expected_part_count++; 1236 } 1237 1238 if (reported_part_count == expected_part_count) { 1239 /* 1240 * we have to check unique id 1241 * if there is more than one 1242 * Slave on the link 1243 */ 1244 unique_id = SDW_UNIQUE_ID(adr); 1245 if (reported_part_count == 1 || 1246 ids[j].id.unique_id == unique_id) { 1247 dev_dbg(bus->dev, "found %x at link %d\n", 1248 part_id, link_id); 1249 break; 1250 } 1251 } else { 1252 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", 1253 part_id, reported_part_count, expected_part_count, link_id); 1254 } 1255 } 1256 if (j == num_slaves) { 1257 dev_dbg(bus->dev, 1258 "Slave %x not found\n", 1259 part_id); 1260 return false; 1261 } 1262 } 1263 return true; 1264 } 1265 1266 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1267 { 1268 struct snd_sof_pdata *pdata = sdev->pdata; 1269 const struct snd_soc_acpi_link_adr *link; 1270 struct snd_soc_acpi_mach *mach; 1271 struct sof_intel_hda_dev *hdev; 1272 u32 link_mask; 1273 int i; 1274 1275 hdev = pdata->hw_pdata; 1276 link_mask = hdev->info.link_mask; 1277 1278 /* 1279 * Select SoundWire machine driver if needed using the 1280 * alternate tables. This case deals with SoundWire-only 1281 * machines, for mixed cases with I2C/I2S the detection relies 1282 * on the HID list. 1283 */ 1284 if (link_mask && !pdata->machine) { 1285 for (mach = pdata->desc->alt_machines; 1286 mach && mach->link_mask; mach++) { 1287 /* 1288 * On some platforms such as Up Extreme all links 1289 * are enabled but only one link can be used by 1290 * external codec. Instead of exact match of two masks, 1291 * first check whether link_mask of mach is subset of 1292 * link_mask supported by hw and then go on searching 1293 * link_adr 1294 */ 1295 if (~link_mask & mach->link_mask) 1296 continue; 1297 1298 /* No need to match adr if there is no links defined */ 1299 if (!mach->links) 1300 break; 1301 1302 link = mach->links; 1303 for (i = 0; i < hdev->info.count && link->num_adr; 1304 i++, link++) { 1305 /* 1306 * Try next machine if any expected Slaves 1307 * are not found on this link. 1308 */ 1309 if (!link_slaves_found(sdev, link, hdev->sdw)) 1310 break; 1311 } 1312 /* Found if all Slaves are checked */ 1313 if (i == hdev->info.count || !link->num_adr) 1314 break; 1315 } 1316 if (mach && mach->link_mask) { 1317 int dmic_num = 0; 1318 1319 pdata->machine = mach; 1320 mach->mach_params.links = mach->links; 1321 mach->mach_params.link_mask = mach->link_mask; 1322 mach->mach_params.platform = dev_name(sdev->dev); 1323 if (mach->sof_fw_filename) 1324 pdata->fw_filename = mach->sof_fw_filename; 1325 else 1326 pdata->fw_filename = pdata->desc->default_fw_filename; 1327 pdata->tplg_filename = mach->sof_tplg_filename; 1328 1329 /* 1330 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire 1331 * link 2 and 3, thus we only try to enable dmics if all conditions 1332 * are true: 1333 * a) link 2 and 3 are not used by SoundWire 1334 * b) the NHLT table reports the presence of microphones 1335 */ 1336 if (!(mach->link_mask & GENMASK(3, 2))) { 1337 const char *tplg_filename = mach->sof_tplg_filename; 1338 int ret; 1339 1340 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); 1341 1342 if (ret < 0) 1343 return ret; 1344 1345 pdata->tplg_filename = tplg_filename; 1346 } 1347 mach->mach_params.dmic_num = dmic_num; 1348 1349 dev_dbg(sdev->dev, 1350 "SoundWire machine driver %s topology %s\n", 1351 mach->drv_name, 1352 pdata->tplg_filename); 1353 } else { 1354 dev_info(sdev->dev, 1355 "No SoundWire machine driver found\n"); 1356 } 1357 } 1358 1359 return 0; 1360 } 1361 #else 1362 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1363 { 1364 return 0; 1365 } 1366 #endif 1367 1368 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, 1369 struct snd_sof_dev *sdev) 1370 { 1371 struct snd_sof_pdata *pdata = sdev->pdata; 1372 const struct sof_dev_desc *desc = pdata->desc; 1373 struct snd_soc_acpi_mach_params *mach_params; 1374 1375 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 1376 mach_params->platform = dev_name(sdev->dev); 1377 mach_params->num_dai_drivers = desc->ops->num_drv; 1378 mach_params->dai_drivers = desc->ops->drv; 1379 } 1380 1381 void hda_machine_select(struct snd_sof_dev *sdev) 1382 { 1383 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1384 const struct sof_dev_desc *desc = sof_pdata->desc; 1385 struct snd_soc_acpi_mach *mach; 1386 1387 mach = snd_soc_acpi_find_machine(desc->machines); 1388 if (mach) { 1389 /* 1390 * If tplg file name is overridden, use it instead of 1391 * the one set in mach table 1392 */ 1393 if (!sof_pdata->tplg_filename) 1394 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1395 1396 sof_pdata->machine = mach; 1397 1398 if (mach->link_mask) { 1399 mach->mach_params.links = mach->links; 1400 mach->mach_params.link_mask = mach->link_mask; 1401 } 1402 } 1403 1404 /* 1405 * If I2S fails, try SoundWire 1406 */ 1407 hda_sdw_machine_select(sdev); 1408 1409 /* 1410 * Choose HDA generic machine driver if mach is NULL. 1411 * Otherwise, set certain mach params. 1412 */ 1413 hda_generic_machine_select(sdev); 1414 1415 if (!sof_pdata->machine) 1416 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1417 } 1418 1419 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 1420 { 1421 int ret; 1422 1423 ret = snd_intel_dsp_driver_probe(pci); 1424 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 1425 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); 1426 return -ENODEV; 1427 } 1428 1429 return sof_pci_probe(pci, pci_id); 1430 } 1431 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); 1432 1433 MODULE_LICENSE("Dual BSD/GPL"); 1434 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 1435 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1436 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1437 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1438 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); 1439 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1440