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