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_pcm_substream *substream = params_data->substream; 188 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 189 struct snd_soc_dai *d = params_data->dai; 190 struct snd_soc_dapm_widget *w; 191 192 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 193 w = d->playback_widget; 194 else 195 w = d->capture_widget; 196 197 return sdw_dai_config_ipc(sdev, w, params_data->link_id, params_data->alh_stream_id, 198 d->id, true); 199 } 200 201 static int sdw_free_stream(struct device *dev, 202 struct sdw_intel_stream_free_data *free_data) 203 { 204 struct snd_pcm_substream *substream = free_data->substream; 205 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 206 struct snd_soc_dai *d = free_data->dai; 207 struct snd_soc_dapm_widget *w; 208 209 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) 210 w = d->playback_widget; 211 else 212 w = d->capture_widget; 213 214 /* send invalid stream_id */ 215 return sdw_dai_config_ipc(sdev, w, free_data->link_id, 0xFFFF, d->id, false); 216 } 217 218 static const struct sdw_intel_ops sdw_callback = { 219 .params_stream = sdw_params_stream, 220 .free_stream = sdw_free_stream, 221 }; 222 223 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 224 { 225 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 226 } 227 228 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 229 { 230 struct sof_intel_hda_dev *hdev; 231 acpi_handle handle; 232 int ret; 233 234 handle = ACPI_HANDLE(sdev->dev); 235 236 /* save ACPI info for the probe step */ 237 hdev = sdev->pdata->hw_pdata; 238 239 ret = sdw_intel_acpi_scan(handle, &hdev->info); 240 if (ret < 0) 241 return -EINVAL; 242 243 return 0; 244 } 245 246 static int hda_sdw_probe(struct snd_sof_dev *sdev) 247 { 248 struct sof_intel_hda_dev *hdev; 249 struct sdw_intel_res res; 250 void *sdw; 251 252 hdev = sdev->pdata->hw_pdata; 253 254 memset(&res, 0, sizeof(res)); 255 256 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 257 res.shim_base = hdev->desc->sdw_shim_base; 258 res.alh_base = hdev->desc->sdw_alh_base; 259 res.irq = sdev->ipc_irq; 260 res.handle = hdev->info.handle; 261 res.parent = sdev->dev; 262 res.ops = &sdw_callback; 263 res.dev = sdev->dev; 264 res.clock_stop_quirks = sdw_clock_stop_quirks; 265 266 /* 267 * ops and arg fields are not populated for now, 268 * they will be needed when the DAI callbacks are 269 * provided 270 */ 271 272 /* we could filter links here if needed, e.g for quirks */ 273 res.count = hdev->info.count; 274 res.link_mask = hdev->info.link_mask; 275 276 sdw = sdw_intel_probe(&res); 277 if (!sdw) { 278 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 279 return -EINVAL; 280 } 281 282 /* save context */ 283 hdev->sdw = sdw; 284 285 return 0; 286 } 287 288 int hda_sdw_startup(struct snd_sof_dev *sdev) 289 { 290 struct sof_intel_hda_dev *hdev; 291 struct snd_sof_pdata *pdata = sdev->pdata; 292 293 hdev = sdev->pdata->hw_pdata; 294 295 if (!hdev->sdw) 296 return 0; 297 298 if (pdata->machine && !pdata->machine->mach_params.link_mask) 299 return 0; 300 301 return sdw_intel_startup(hdev->sdw); 302 } 303 304 static int hda_sdw_exit(struct snd_sof_dev *sdev) 305 { 306 struct sof_intel_hda_dev *hdev; 307 308 hdev = sdev->pdata->hw_pdata; 309 310 hda_sdw_int_enable(sdev, false); 311 312 if (hdev->sdw) 313 sdw_intel_exit(hdev->sdw); 314 hdev->sdw = NULL; 315 316 return 0; 317 } 318 319 bool hda_common_check_sdw_irq(struct snd_sof_dev *sdev) 320 { 321 struct sof_intel_hda_dev *hdev; 322 bool ret = false; 323 u32 irq_status; 324 325 hdev = sdev->pdata->hw_pdata; 326 327 if (!hdev->sdw) 328 return ret; 329 330 /* store status */ 331 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 332 333 /* invalid message ? */ 334 if (irq_status == 0xffffffff) 335 goto out; 336 337 /* SDW message ? */ 338 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 339 ret = true; 340 341 out: 342 return ret; 343 } 344 345 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 346 { 347 const struct sof_intel_dsp_desc *chip; 348 349 chip = get_chip_info(sdev->pdata); 350 if (chip && chip->check_sdw_irq) 351 return chip->check_sdw_irq(sdev); 352 353 return false; 354 } 355 356 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 357 { 358 return sdw_intel_thread(irq, context); 359 } 360 361 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 362 { 363 struct sof_intel_hda_dev *hdev; 364 365 hdev = sdev->pdata->hw_pdata; 366 if (hdev->sdw && 367 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 368 hdev->desc->sdw_shim_base + SDW_SHIM_WAKESTS)) 369 return true; 370 371 return false; 372 } 373 374 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 375 { 376 struct sof_intel_hda_dev *hdev; 377 378 hdev = sdev->pdata->hw_pdata; 379 if (!hdev->sdw) 380 return; 381 382 sdw_intel_process_wakeen_event(hdev->sdw); 383 } 384 385 #else /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 386 static inline int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 387 { 388 return 0; 389 } 390 391 static inline int hda_sdw_probe(struct snd_sof_dev *sdev) 392 { 393 return 0; 394 } 395 396 static inline int hda_sdw_exit(struct snd_sof_dev *sdev) 397 { 398 return 0; 399 } 400 401 static inline bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 402 { 403 return false; 404 } 405 406 static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 407 { 408 return IRQ_HANDLED; 409 } 410 411 static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 412 { 413 return false; 414 } 415 416 #endif /* IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) */ 417 418 /* 419 * Debug 420 */ 421 422 struct hda_dsp_msg_code { 423 u32 code; 424 const char *msg; 425 }; 426 427 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 428 static bool hda_use_msi = true; 429 module_param_named(use_msi, hda_use_msi, bool, 0444); 430 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 431 #else 432 #define hda_use_msi (1) 433 #endif 434 435 int sof_hda_position_quirk = SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS; 436 module_param_named(position_quirk, sof_hda_position_quirk, int, 0444); 437 MODULE_PARM_DESC(position_quirk, "SOF HDaudio position quirk"); 438 439 static char *hda_model; 440 module_param(hda_model, charp, 0444); 441 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 442 443 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 444 static int hda_dmic_num = -1; 445 module_param_named(dmic_num, hda_dmic_num, int, 0444); 446 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 447 #endif 448 449 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 450 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 451 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 452 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 453 #endif 454 455 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 456 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 457 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 458 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 459 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 460 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 461 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 462 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 463 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 464 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 465 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 466 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 467 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 468 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 469 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 470 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 471 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 472 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 473 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 474 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 475 }; 476 477 static void hda_dsp_get_status(struct snd_sof_dev *sdev) 478 { 479 u32 status; 480 int i; 481 482 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 483 HDA_DSP_SRAM_REG_ROM_STATUS); 484 485 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 486 if (status == hda_dsp_rom_msg[i].code) { 487 dev_err(sdev->dev, "%s - code %8.8x\n", 488 hda_dsp_rom_msg[i].msg, status); 489 return; 490 } 491 } 492 493 /* not for us, must be generic sof message */ 494 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 495 } 496 497 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 498 struct sof_ipc_dsp_oops_xtensa *xoops, 499 struct sof_ipc_panic_info *panic_info, 500 u32 *stack, size_t stack_words) 501 { 502 u32 offset = sdev->dsp_oops_offset; 503 504 /* first read registers */ 505 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 506 507 /* note: variable AR register array is not read */ 508 509 /* then get panic info */ 510 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 511 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 512 xoops->arch_hdr.totalsize); 513 return; 514 } 515 offset += xoops->arch_hdr.totalsize; 516 sof_block_read(sdev, sdev->mmio_bar, offset, 517 panic_info, sizeof(*panic_info)); 518 519 /* then get the stack */ 520 offset += sizeof(*panic_info); 521 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 522 stack_words * sizeof(u32)); 523 } 524 525 /* dump the first 8 dwords representing the extended ROM status */ 526 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags) 527 { 528 char msg[128]; 529 int len = 0; 530 u32 value; 531 int i; 532 533 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 534 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); 535 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 536 } 537 538 dev_err(sdev->dev, "extended rom status: %s", msg); 539 540 } 541 542 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 543 { 544 struct sof_ipc_dsp_oops_xtensa xoops; 545 struct sof_ipc_panic_info panic_info; 546 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 547 548 /* print ROM/FW status */ 549 hda_dsp_get_status(sdev); 550 551 if (flags & SOF_DBG_DUMP_REGS) { 552 u32 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_STATUS); 553 u32 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 554 555 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 556 HDA_DSP_STACK_DUMP_SIZE); 557 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 558 stack, HDA_DSP_STACK_DUMP_SIZE); 559 } else { 560 hda_dsp_dump_ext_rom_status(sdev, flags); 561 } 562 } 563 564 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 565 { 566 struct hdac_bus *bus = sof_to_bus(sdev); 567 u32 adspis; 568 u32 intsts; 569 u32 intctl; 570 u32 ppsts; 571 u8 rirbsts; 572 573 /* read key IRQ stats and config registers */ 574 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 575 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 576 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 577 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 578 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 579 580 dev_err(sdev->dev, "hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 581 intsts, intctl, rirbsts); 582 dev_err(sdev->dev, "dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", ppsts, adspis); 583 } 584 585 void hda_ipc_dump(struct snd_sof_dev *sdev) 586 { 587 u32 hipcie; 588 u32 hipct; 589 u32 hipcctl; 590 591 hda_ipc_irq_dump(sdev); 592 593 /* read IPC status */ 594 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 595 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 596 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 597 598 /* dump the IPC regs */ 599 /* TODO: parse the raw msg */ 600 dev_err(sdev->dev, "host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 601 hipcie, hipct, hipcctl); 602 } 603 604 static int hda_init(struct snd_sof_dev *sdev) 605 { 606 struct hda_bus *hbus; 607 struct hdac_bus *bus; 608 struct pci_dev *pci = to_pci_dev(sdev->dev); 609 int ret; 610 611 hbus = sof_to_hbus(sdev); 612 bus = sof_to_bus(sdev); 613 614 /* HDA bus init */ 615 sof_hda_bus_init(bus, &pci->dev); 616 617 if (sof_hda_position_quirk == SOF_HDA_POSITION_QUIRK_USE_DPIB_REGISTERS) 618 bus->use_posbuf = 0; 619 else 620 bus->use_posbuf = 1; 621 bus->bdl_pos_adj = 0; 622 bus->sync_write = 1; 623 624 mutex_init(&hbus->prepare_mutex); 625 hbus->pci = pci; 626 hbus->mixer_assigned = -1; 627 hbus->modelname = hda_model; 628 629 /* initialise hdac bus */ 630 bus->addr = pci_resource_start(pci, 0); 631 bus->remap_addr = pci_ioremap_bar(pci, 0); 632 if (!bus->remap_addr) { 633 dev_err(bus->dev, "error: ioremap error\n"); 634 return -ENXIO; 635 } 636 637 /* HDA base */ 638 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 639 640 /* init i915 and HDMI codecs */ 641 ret = hda_codec_i915_init(sdev); 642 if (ret < 0) 643 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 644 645 /* get controller capabilities */ 646 ret = hda_dsp_ctrl_get_caps(sdev); 647 if (ret < 0) 648 dev_err(sdev->dev, "error: get caps error\n"); 649 650 return ret; 651 } 652 653 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 654 655 static int check_nhlt_dmic(struct snd_sof_dev *sdev) 656 { 657 struct nhlt_acpi_table *nhlt; 658 int dmic_num; 659 660 nhlt = intel_nhlt_init(sdev->dev); 661 if (nhlt) { 662 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 663 intel_nhlt_free(nhlt); 664 if (dmic_num >= 1 && dmic_num <= 4) 665 return dmic_num; 666 } 667 668 return 0; 669 } 670 671 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 672 const char *sof_tplg_filename, 673 const char *idisp_str, 674 const char *dmic_str) 675 { 676 const char *tplg_filename = NULL; 677 char *filename, *tmp; 678 const char *split_ext; 679 680 filename = kstrdup(sof_tplg_filename, GFP_KERNEL); 681 if (!filename) 682 return NULL; 683 684 /* this assumes a .tplg extension */ 685 tmp = filename; 686 split_ext = strsep(&tmp, "."); 687 if (split_ext) 688 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 689 "%s%s%s.tplg", 690 split_ext, idisp_str, dmic_str); 691 kfree(filename); 692 693 return tplg_filename; 694 } 695 696 static int dmic_topology_fixup(struct snd_sof_dev *sdev, 697 const char **tplg_filename, 698 const char *idisp_str, 699 int *dmic_found) 700 { 701 const char *default_tplg_filename = *tplg_filename; 702 const char *fixed_tplg_filename; 703 const char *dmic_str; 704 int dmic_num; 705 706 /* first check NHLT for DMICs */ 707 dmic_num = check_nhlt_dmic(sdev); 708 709 /* allow for module parameter override */ 710 if (hda_dmic_num != -1) { 711 dev_dbg(sdev->dev, 712 "overriding DMICs detected in NHLT tables %d by kernel param %d\n", 713 dmic_num, hda_dmic_num); 714 dmic_num = hda_dmic_num; 715 } 716 717 switch (dmic_num) { 718 case 1: 719 dmic_str = "-1ch"; 720 break; 721 case 2: 722 dmic_str = "-2ch"; 723 break; 724 case 3: 725 dmic_str = "-3ch"; 726 break; 727 case 4: 728 dmic_str = "-4ch"; 729 break; 730 default: 731 dmic_num = 0; 732 dmic_str = ""; 733 break; 734 } 735 736 fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename, 737 idisp_str, dmic_str); 738 if (!fixed_tplg_filename) 739 return -ENOMEM; 740 741 dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num); 742 *dmic_found = dmic_num; 743 *tplg_filename = fixed_tplg_filename; 744 745 return 0; 746 } 747 #endif 748 749 static int hda_init_caps(struct snd_sof_dev *sdev) 750 { 751 struct hdac_bus *bus = sof_to_bus(sdev); 752 struct snd_sof_pdata *pdata = sdev->pdata; 753 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 754 struct hdac_ext_link *hlink; 755 #endif 756 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 757 u32 link_mask; 758 int ret = 0; 759 760 /* check if dsp is there */ 761 if (bus->ppcap) 762 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 763 764 /* Init HDA controller after i915 init */ 765 ret = hda_dsp_ctrl_init_chip(sdev, true); 766 if (ret < 0) { 767 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 768 ret); 769 return ret; 770 } 771 772 /* scan SoundWire capabilities exposed by DSDT */ 773 ret = hda_sdw_acpi_scan(sdev); 774 if (ret < 0) { 775 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 776 goto skip_soundwire; 777 } 778 779 link_mask = hdev->info.link_mask; 780 if (!link_mask) { 781 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 782 goto skip_soundwire; 783 } 784 785 /* 786 * probe/allocate SoundWire resources. 787 * The hardware configuration takes place in hda_sdw_startup 788 * after power rails are enabled. 789 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 790 * devices, so we allocate the resources in all cases. 791 */ 792 ret = hda_sdw_probe(sdev); 793 if (ret < 0) { 794 dev_err(sdev->dev, "error: SoundWire probe error\n"); 795 return ret; 796 } 797 798 skip_soundwire: 799 800 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 801 if (bus->mlcap) 802 snd_hdac_ext_bus_get_ml_capabilities(bus); 803 804 /* create codec instances */ 805 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 806 807 if (!HDA_IDISP_CODEC(bus->codec_mask)) 808 hda_codec_i915_display_power(sdev, false); 809 810 /* 811 * we are done probing so decrement link counts 812 */ 813 list_for_each_entry(hlink, &bus->hlink_list, list) 814 snd_hdac_ext_bus_link_put(bus, hlink); 815 #endif 816 return 0; 817 } 818 819 static void hda_check_for_state_change(struct snd_sof_dev *sdev) 820 { 821 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 822 struct hdac_bus *bus = sof_to_bus(sdev); 823 unsigned int codec_mask; 824 825 codec_mask = snd_hdac_chip_readw(bus, STATESTS); 826 if (codec_mask) { 827 hda_codec_jack_check(sdev); 828 snd_hdac_chip_writew(bus, STATESTS, codec_mask); 829 } 830 #endif 831 } 832 833 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 834 { 835 struct snd_sof_dev *sdev = context; 836 837 /* 838 * Get global interrupt status. It includes all hardware interrupt 839 * sources in the Intel HD Audio controller. 840 */ 841 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 842 SOF_HDA_INTSTS_GIS) { 843 844 /* disable GIE interrupt */ 845 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 846 SOF_HDA_INTCTL, 847 SOF_HDA_INT_GLOBAL_EN, 848 0); 849 850 return IRQ_WAKE_THREAD; 851 } 852 853 return IRQ_NONE; 854 } 855 856 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 857 { 858 struct snd_sof_dev *sdev = context; 859 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 860 861 /* deal with streams and controller first */ 862 if (hda_dsp_check_stream_irq(sdev)) 863 hda_dsp_stream_threaded_handler(irq, sdev); 864 865 if (hda_dsp_check_ipc_irq(sdev)) 866 sof_ops(sdev)->irq_thread(irq, sdev); 867 868 if (hda_dsp_check_sdw_irq(sdev)) 869 hda_dsp_sdw_thread(irq, hdev->sdw); 870 871 if (hda_sdw_check_wakeen_irq(sdev)) 872 hda_sdw_process_wakeen(sdev); 873 874 hda_check_for_state_change(sdev); 875 876 /* enable GIE interrupt */ 877 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 878 SOF_HDA_INTCTL, 879 SOF_HDA_INT_GLOBAL_EN, 880 SOF_HDA_INT_GLOBAL_EN); 881 882 return IRQ_HANDLED; 883 } 884 885 int hda_dsp_probe(struct snd_sof_dev *sdev) 886 { 887 struct pci_dev *pci = to_pci_dev(sdev->dev); 888 struct sof_intel_hda_dev *hdev; 889 struct hdac_bus *bus; 890 const struct sof_intel_dsp_desc *chip; 891 int ret = 0; 892 893 /* 894 * detect DSP by checking class/subclass/prog-id information 895 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 896 * class=04 subclass 01 prog-if 00: DSP is present 897 * (and may be required e.g. for DMIC or SSP support) 898 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 899 */ 900 if (pci->class == 0x040300) { 901 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 902 return -ENODEV; 903 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 904 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 905 return -ENODEV; 906 } 907 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 908 909 chip = get_chip_info(sdev->pdata); 910 if (!chip) { 911 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 912 pci->device); 913 ret = -EIO; 914 goto err; 915 } 916 917 sdev->num_cores = chip->cores_num; 918 919 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 920 if (!hdev) 921 return -ENOMEM; 922 sdev->pdata->hw_pdata = hdev; 923 hdev->desc = chip; 924 925 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 926 PLATFORM_DEVID_NONE, 927 NULL, 0); 928 if (IS_ERR(hdev->dmic_dev)) { 929 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 930 return PTR_ERR(hdev->dmic_dev); 931 } 932 933 /* 934 * use position update IPC if either it is forced 935 * or we don't have other choice 936 */ 937 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 938 hdev->no_ipc_position = 0; 939 #else 940 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 941 #endif 942 943 /* set up HDA base */ 944 bus = sof_to_bus(sdev); 945 ret = hda_init(sdev); 946 if (ret < 0) 947 goto hdac_bus_unmap; 948 949 /* DSP base */ 950 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 951 if (!sdev->bar[HDA_DSP_BAR]) { 952 dev_err(sdev->dev, "error: ioremap error\n"); 953 ret = -ENXIO; 954 goto hdac_bus_unmap; 955 } 956 957 sdev->mmio_bar = HDA_DSP_BAR; 958 sdev->mailbox_bar = HDA_DSP_BAR; 959 960 /* allow 64bit DMA address if supported by H/W */ 961 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 962 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 963 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 964 } 965 966 /* init streams */ 967 ret = hda_dsp_stream_init(sdev); 968 if (ret < 0) { 969 dev_err(sdev->dev, "error: failed to init streams\n"); 970 /* 971 * not all errors are due to memory issues, but trying 972 * to free everything does not harm 973 */ 974 goto free_streams; 975 } 976 977 /* 978 * register our IRQ 979 * let's try to enable msi firstly 980 * if it fails, use legacy interrupt mode 981 * TODO: support msi multiple vectors 982 */ 983 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 984 dev_info(sdev->dev, "use msi interrupt mode\n"); 985 sdev->ipc_irq = pci_irq_vector(pci, 0); 986 /* initialised to "false" by kzalloc() */ 987 sdev->msi_enabled = true; 988 } 989 990 if (!sdev->msi_enabled) { 991 dev_info(sdev->dev, "use legacy interrupt mode\n"); 992 /* 993 * in IO-APIC mode, hda->irq and ipc_irq are using the same 994 * irq number of pci->irq 995 */ 996 sdev->ipc_irq = pci->irq; 997 } 998 999 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 1000 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 1001 hda_dsp_interrupt_thread, 1002 IRQF_SHARED, "AudioDSP", sdev); 1003 if (ret < 0) { 1004 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 1005 sdev->ipc_irq); 1006 goto free_irq_vector; 1007 } 1008 1009 pci_set_master(pci); 1010 synchronize_irq(pci->irq); 1011 1012 /* 1013 * clear TCSEL to clear playback on some HD Audio 1014 * codecs. PCI TCSEL is defined in the Intel manuals. 1015 */ 1016 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 1017 1018 /* init HDA capabilities */ 1019 ret = hda_init_caps(sdev); 1020 if (ret < 0) 1021 goto free_ipc_irq; 1022 1023 /* enable ppcap interrupt */ 1024 hda_dsp_ctrl_ppcap_enable(sdev, true); 1025 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 1026 1027 /* set default mailbox offset for FW ready message */ 1028 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 1029 1030 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 1031 1032 return 0; 1033 1034 free_ipc_irq: 1035 free_irq(sdev->ipc_irq, sdev); 1036 free_irq_vector: 1037 if (sdev->msi_enabled) 1038 pci_free_irq_vectors(pci); 1039 free_streams: 1040 hda_dsp_stream_free(sdev); 1041 /* dsp_unmap: not currently used */ 1042 iounmap(sdev->bar[HDA_DSP_BAR]); 1043 hdac_bus_unmap: 1044 platform_device_unregister(hdev->dmic_dev); 1045 iounmap(bus->remap_addr); 1046 hda_codec_i915_exit(sdev); 1047 err: 1048 return ret; 1049 } 1050 1051 int hda_dsp_remove(struct snd_sof_dev *sdev) 1052 { 1053 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 1054 const struct sof_intel_dsp_desc *chip = hda->desc; 1055 struct hdac_bus *bus = sof_to_bus(sdev); 1056 struct pci_dev *pci = to_pci_dev(sdev->dev); 1057 1058 /* cancel any attempt for DSP D0I3 */ 1059 cancel_delayed_work_sync(&hda->d0i3_work); 1060 1061 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1062 /* codec removal, invoke bus_device_remove */ 1063 snd_hdac_ext_bus_device_remove(bus); 1064 #endif 1065 1066 hda_sdw_exit(sdev); 1067 1068 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 1069 platform_device_unregister(hda->dmic_dev); 1070 1071 /* disable DSP IRQ */ 1072 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1073 SOF_HDA_PPCTL_PIE, 0); 1074 1075 /* disable CIE and GIE interrupts */ 1076 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 1077 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 1078 1079 /* disable cores */ 1080 if (chip) 1081 hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); 1082 1083 /* disable DSP */ 1084 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 1085 SOF_HDA_PPCTL_GPROCEN, 0); 1086 1087 free_irq(sdev->ipc_irq, sdev); 1088 if (sdev->msi_enabled) 1089 pci_free_irq_vectors(pci); 1090 1091 hda_dsp_stream_free(sdev); 1092 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1093 snd_hdac_link_free_all(bus); 1094 #endif 1095 1096 iounmap(sdev->bar[HDA_DSP_BAR]); 1097 iounmap(bus->remap_addr); 1098 1099 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1100 snd_hdac_ext_bus_exit(bus); 1101 #endif 1102 hda_codec_i915_exit(sdev); 1103 1104 return 0; 1105 } 1106 1107 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 1108 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1109 { 1110 struct hdac_bus *bus = sof_to_bus(sdev); 1111 struct snd_soc_acpi_mach_params *mach_params; 1112 struct snd_soc_acpi_mach *hda_mach; 1113 struct snd_sof_pdata *pdata = sdev->pdata; 1114 const char *tplg_filename; 1115 const char *idisp_str; 1116 int dmic_num = 0; 1117 int codec_num = 0; 1118 int ret; 1119 int i; 1120 1121 /* codec detection */ 1122 if (!bus->codec_mask) { 1123 dev_info(bus->dev, "no hda codecs found!\n"); 1124 } else { 1125 dev_info(bus->dev, "hda codecs found, mask %lx\n", 1126 bus->codec_mask); 1127 1128 for (i = 0; i < HDA_MAX_CODECS; i++) { 1129 if (bus->codec_mask & (1 << i)) 1130 codec_num++; 1131 } 1132 1133 /* 1134 * If no machine driver is found, then: 1135 * 1136 * generic hda machine driver can handle: 1137 * - one HDMI codec, and/or 1138 * - one external HDAudio codec 1139 */ 1140 if (!pdata->machine && codec_num <= 2) { 1141 hda_mach = snd_soc_acpi_intel_hda_machines; 1142 1143 dev_info(bus->dev, "using HDA machine driver %s now\n", 1144 hda_mach->drv_name); 1145 1146 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1147 idisp_str = "-idisp"; 1148 else 1149 idisp_str = ""; 1150 1151 /* topology: use the info from hda_machines */ 1152 tplg_filename = hda_mach->sof_tplg_filename; 1153 ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num); 1154 if (ret < 0) 1155 return ret; 1156 1157 hda_mach->mach_params.dmic_num = dmic_num; 1158 pdata->machine = hda_mach; 1159 pdata->tplg_filename = tplg_filename; 1160 1161 if (codec_num == 2) { 1162 /* 1163 * Prevent SoundWire links from starting when an external 1164 * HDaudio codec is used 1165 */ 1166 hda_mach->mach_params.link_mask = 0; 1167 } 1168 } 1169 } 1170 1171 /* used by hda machine driver to create dai links */ 1172 if (pdata->machine) { 1173 mach_params = (struct snd_soc_acpi_mach_params *) 1174 &pdata->machine->mach_params; 1175 mach_params->codec_mask = bus->codec_mask; 1176 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1177 } 1178 1179 return 0; 1180 } 1181 #else 1182 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1183 { 1184 return 0; 1185 } 1186 #endif 1187 1188 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1189 /* Check if all Slaves defined on the link can be found */ 1190 static bool link_slaves_found(struct snd_sof_dev *sdev, 1191 const struct snd_soc_acpi_link_adr *link, 1192 struct sdw_intel_ctx *sdw) 1193 { 1194 struct hdac_bus *bus = sof_to_bus(sdev); 1195 struct sdw_intel_slave_id *ids = sdw->ids; 1196 int num_slaves = sdw->num_slaves; 1197 unsigned int part_id, link_id, unique_id, mfg_id; 1198 int i, j, k; 1199 1200 for (i = 0; i < link->num_adr; i++) { 1201 u64 adr = link->adr_d[i].adr; 1202 int reported_part_count = 0; 1203 1204 mfg_id = SDW_MFG_ID(adr); 1205 part_id = SDW_PART_ID(adr); 1206 link_id = SDW_DISCO_LINK_ID(adr); 1207 1208 for (j = 0; j < num_slaves; j++) { 1209 /* find out how many identical parts were reported on that link */ 1210 if (ids[j].link_id == link_id && 1211 ids[j].id.part_id == part_id && 1212 ids[j].id.mfg_id == mfg_id) 1213 reported_part_count++; 1214 } 1215 1216 for (j = 0; j < num_slaves; j++) { 1217 int expected_part_count = 0; 1218 1219 if (ids[j].link_id != link_id || 1220 ids[j].id.part_id != part_id || 1221 ids[j].id.mfg_id != mfg_id) 1222 continue; 1223 1224 /* find out how many identical parts are expected */ 1225 for (k = 0; k < link->num_adr; k++) { 1226 u64 adr2 = link->adr_d[k].adr; 1227 unsigned int part_id2, link_id2, mfg_id2; 1228 1229 mfg_id2 = SDW_MFG_ID(adr2); 1230 part_id2 = SDW_PART_ID(adr2); 1231 link_id2 = SDW_DISCO_LINK_ID(adr2); 1232 1233 if (link_id2 == link_id && 1234 part_id2 == part_id && 1235 mfg_id2 == mfg_id) 1236 expected_part_count++; 1237 } 1238 1239 if (reported_part_count == expected_part_count) { 1240 /* 1241 * we have to check unique id 1242 * if there is more than one 1243 * Slave on the link 1244 */ 1245 unique_id = SDW_UNIQUE_ID(adr); 1246 if (reported_part_count == 1 || 1247 ids[j].id.unique_id == unique_id) { 1248 dev_dbg(bus->dev, "found %x at link %d\n", 1249 part_id, link_id); 1250 break; 1251 } 1252 } else { 1253 dev_dbg(bus->dev, "part %x reported %d expected %d on link %d, skipping\n", 1254 part_id, reported_part_count, expected_part_count, link_id); 1255 } 1256 } 1257 if (j == num_slaves) { 1258 dev_dbg(bus->dev, 1259 "Slave %x not found\n", 1260 part_id); 1261 return false; 1262 } 1263 } 1264 return true; 1265 } 1266 1267 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1268 { 1269 struct snd_sof_pdata *pdata = sdev->pdata; 1270 const struct snd_soc_acpi_link_adr *link; 1271 struct snd_soc_acpi_mach *mach; 1272 struct sof_intel_hda_dev *hdev; 1273 u32 link_mask; 1274 int i; 1275 1276 hdev = pdata->hw_pdata; 1277 link_mask = hdev->info.link_mask; 1278 1279 /* 1280 * Select SoundWire machine driver if needed using the 1281 * alternate tables. This case deals with SoundWire-only 1282 * machines, for mixed cases with I2C/I2S the detection relies 1283 * on the HID list. 1284 */ 1285 if (link_mask && !pdata->machine) { 1286 for (mach = pdata->desc->alt_machines; 1287 mach && mach->link_mask; mach++) { 1288 /* 1289 * On some platforms such as Up Extreme all links 1290 * are enabled but only one link can be used by 1291 * external codec. Instead of exact match of two masks, 1292 * first check whether link_mask of mach is subset of 1293 * link_mask supported by hw and then go on searching 1294 * link_adr 1295 */ 1296 if (~link_mask & mach->link_mask) 1297 continue; 1298 1299 /* No need to match adr if there is no links defined */ 1300 if (!mach->links) 1301 break; 1302 1303 link = mach->links; 1304 for (i = 0; i < hdev->info.count && link->num_adr; 1305 i++, link++) { 1306 /* 1307 * Try next machine if any expected Slaves 1308 * are not found on this link. 1309 */ 1310 if (!link_slaves_found(sdev, link, hdev->sdw)) 1311 break; 1312 } 1313 /* Found if all Slaves are checked */ 1314 if (i == hdev->info.count || !link->num_adr) 1315 break; 1316 } 1317 if (mach && mach->link_mask) { 1318 int dmic_num = 0; 1319 1320 pdata->machine = mach; 1321 mach->mach_params.links = mach->links; 1322 mach->mach_params.link_mask = mach->link_mask; 1323 mach->mach_params.platform = dev_name(sdev->dev); 1324 if (mach->sof_fw_filename) 1325 pdata->fw_filename = mach->sof_fw_filename; 1326 else 1327 pdata->fw_filename = pdata->desc->default_fw_filename; 1328 pdata->tplg_filename = mach->sof_tplg_filename; 1329 1330 /* 1331 * DMICs use up to 4 pins and are typically pin-muxed with SoundWire 1332 * link 2 and 3, thus we only try to enable dmics if all conditions 1333 * are true: 1334 * a) link 2 and 3 are not used by SoundWire 1335 * b) the NHLT table reports the presence of microphones 1336 */ 1337 if (!(mach->link_mask & GENMASK(3, 2))) { 1338 const char *tplg_filename = mach->sof_tplg_filename; 1339 int ret; 1340 1341 ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num); 1342 1343 if (ret < 0) 1344 return ret; 1345 1346 pdata->tplg_filename = tplg_filename; 1347 } 1348 mach->mach_params.dmic_num = dmic_num; 1349 1350 dev_dbg(sdev->dev, 1351 "SoundWire machine driver %s topology %s\n", 1352 mach->drv_name, 1353 pdata->tplg_filename); 1354 } else { 1355 dev_info(sdev->dev, 1356 "No SoundWire machine driver found\n"); 1357 } 1358 } 1359 1360 return 0; 1361 } 1362 #else 1363 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1364 { 1365 return 0; 1366 } 1367 #endif 1368 1369 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, 1370 struct snd_sof_dev *sdev) 1371 { 1372 struct snd_sof_pdata *pdata = sdev->pdata; 1373 const struct sof_dev_desc *desc = pdata->desc; 1374 struct snd_soc_acpi_mach_params *mach_params; 1375 1376 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 1377 mach_params->platform = dev_name(sdev->dev); 1378 mach_params->num_dai_drivers = desc->ops->num_drv; 1379 mach_params->dai_drivers = desc->ops->drv; 1380 } 1381 1382 void hda_machine_select(struct snd_sof_dev *sdev) 1383 { 1384 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1385 const struct sof_dev_desc *desc = sof_pdata->desc; 1386 struct snd_soc_acpi_mach *mach; 1387 1388 mach = snd_soc_acpi_find_machine(desc->machines); 1389 if (mach) { 1390 /* 1391 * If tplg file name is overridden, use it instead of 1392 * the one set in mach table 1393 */ 1394 if (!sof_pdata->tplg_filename) 1395 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1396 1397 sof_pdata->machine = mach; 1398 1399 if (mach->link_mask) { 1400 mach->mach_params.links = mach->links; 1401 mach->mach_params.link_mask = mach->link_mask; 1402 } 1403 } 1404 1405 /* 1406 * If I2S fails, try SoundWire 1407 */ 1408 hda_sdw_machine_select(sdev); 1409 1410 /* 1411 * Choose HDA generic machine driver if mach is NULL. 1412 * Otherwise, set certain mach params. 1413 */ 1414 hda_generic_machine_select(sdev); 1415 1416 if (!sof_pdata->machine) 1417 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1418 } 1419 1420 int hda_pci_intel_probe(struct pci_dev *pci, const struct pci_device_id *pci_id) 1421 { 1422 int ret; 1423 1424 ret = snd_intel_dsp_driver_probe(pci); 1425 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) { 1426 dev_dbg(&pci->dev, "SOF PCI driver not selected, aborting probe\n"); 1427 return -ENODEV; 1428 } 1429 1430 return sof_pci_probe(pci, pci_id); 1431 } 1432 EXPORT_SYMBOL_NS(hda_pci_intel_probe, SND_SOC_SOF_INTEL_HDA_COMMON); 1433 1434 MODULE_LICENSE("Dual BSD/GPL"); 1435 MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 1436 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1437 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1438 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1439 MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI); 1440 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1441