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-nhlt.h> 26 #include <sound/sof.h> 27 #include <sound/sof/xtensa.h> 28 #include "../sof-audio.h" 29 #include "../ops.h" 30 #include "hda.h" 31 32 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 33 #include <sound/soc-acpi-intel-match.h> 34 #endif 35 36 /* platform specific devices */ 37 #include "shim.h" 38 39 #define EXCEPT_MAX_HDR_SIZE 0x400 40 #define HDA_EXT_ROM_STATUS_SIZE 8 41 42 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 43 44 /* 45 * The default for SoundWire clock stop quirks is to power gate the IP 46 * and do a Bus Reset, this will need to be modified when the DSP 47 * needs to remain in D0i3 so that the Master does not lose context 48 * and enumeration is not required on clock restart 49 */ 50 static int sdw_clock_stop_quirks = SDW_INTEL_CLK_STOP_BUS_RESET; 51 module_param(sdw_clock_stop_quirks, int, 0444); 52 MODULE_PARM_DESC(sdw_clock_stop_quirks, "SOF SoundWire clock stop quirks"); 53 54 static int sdw_params_stream(struct device *dev, 55 struct sdw_intel_stream_params_data *params_data) 56 { 57 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 58 struct snd_soc_dai *d = params_data->dai; 59 struct sof_ipc_dai_config config; 60 struct sof_ipc_reply reply; 61 int link_id = params_data->link_id; 62 int alh_stream_id = params_data->alh_stream_id; 63 int ret; 64 u32 size = sizeof(config); 65 66 memset(&config, 0, size); 67 config.hdr.size = size; 68 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; 69 config.type = SOF_DAI_INTEL_ALH; 70 config.dai_index = (link_id << 8) | (d->id); 71 config.alh.stream_id = alh_stream_id; 72 73 /* send message to DSP */ 74 ret = sof_ipc_tx_message(sdev->ipc, 75 config.hdr.cmd, &config, size, &reply, 76 sizeof(reply)); 77 if (ret < 0) { 78 dev_err(sdev->dev, 79 "error: failed to set DAI hw_params for link %d dai->id %d ALH %d\n", 80 link_id, d->id, alh_stream_id); 81 } 82 83 return ret; 84 } 85 86 static int sdw_free_stream(struct device *dev, 87 struct sdw_intel_stream_free_data *free_data) 88 { 89 struct snd_sof_dev *sdev = dev_get_drvdata(dev); 90 struct snd_soc_dai *d = free_data->dai; 91 struct sof_ipc_dai_config config; 92 struct sof_ipc_reply reply; 93 int link_id = free_data->link_id; 94 int ret; 95 u32 size = sizeof(config); 96 97 memset(&config, 0, size); 98 config.hdr.size = size; 99 config.hdr.cmd = SOF_IPC_GLB_DAI_MSG | SOF_IPC_DAI_CONFIG; 100 config.type = SOF_DAI_INTEL_ALH; 101 config.dai_index = (link_id << 8) | d->id; 102 config.alh.stream_id = 0xFFFF; /* invalid value on purpose */ 103 104 /* send message to DSP */ 105 ret = sof_ipc_tx_message(sdev->ipc, 106 config.hdr.cmd, &config, size, &reply, 107 sizeof(reply)); 108 if (ret < 0) { 109 dev_err(sdev->dev, 110 "error: failed to free stream for link %d dai->id %d\n", 111 link_id, d->id); 112 } 113 114 return ret; 115 } 116 117 static const struct sdw_intel_ops sdw_callback = { 118 .params_stream = sdw_params_stream, 119 .free_stream = sdw_free_stream, 120 }; 121 122 void hda_sdw_int_enable(struct snd_sof_dev *sdev, bool enable) 123 { 124 sdw_intel_enable_irq(sdev->bar[HDA_DSP_BAR], enable); 125 } 126 127 static int hda_sdw_acpi_scan(struct snd_sof_dev *sdev) 128 { 129 struct sof_intel_hda_dev *hdev; 130 acpi_handle handle; 131 int ret; 132 133 handle = ACPI_HANDLE(sdev->dev); 134 135 /* save ACPI info for the probe step */ 136 hdev = sdev->pdata->hw_pdata; 137 138 ret = sdw_intel_acpi_scan(handle, &hdev->info); 139 if (ret < 0) 140 return -EINVAL; 141 142 return 0; 143 } 144 145 static int hda_sdw_probe(struct snd_sof_dev *sdev) 146 { 147 struct sof_intel_hda_dev *hdev; 148 struct sdw_intel_res res; 149 void *sdw; 150 151 hdev = sdev->pdata->hw_pdata; 152 153 memset(&res, 0, sizeof(res)); 154 155 res.mmio_base = sdev->bar[HDA_DSP_BAR]; 156 res.irq = sdev->ipc_irq; 157 res.handle = hdev->info.handle; 158 res.parent = sdev->dev; 159 res.ops = &sdw_callback; 160 res.dev = sdev->dev; 161 res.clock_stop_quirks = sdw_clock_stop_quirks; 162 163 /* 164 * ops and arg fields are not populated for now, 165 * they will be needed when the DAI callbacks are 166 * provided 167 */ 168 169 /* we could filter links here if needed, e.g for quirks */ 170 res.count = hdev->info.count; 171 res.link_mask = hdev->info.link_mask; 172 173 sdw = sdw_intel_probe(&res); 174 if (!sdw) { 175 dev_err(sdev->dev, "error: SoundWire probe failed\n"); 176 return -EINVAL; 177 } 178 179 /* save context */ 180 hdev->sdw = sdw; 181 182 return 0; 183 } 184 185 int hda_sdw_startup(struct snd_sof_dev *sdev) 186 { 187 struct sof_intel_hda_dev *hdev; 188 189 hdev = sdev->pdata->hw_pdata; 190 191 if (!hdev->sdw) 192 return 0; 193 194 return sdw_intel_startup(hdev->sdw); 195 } 196 197 static int hda_sdw_exit(struct snd_sof_dev *sdev) 198 { 199 struct sof_intel_hda_dev *hdev; 200 201 hdev = sdev->pdata->hw_pdata; 202 203 hda_sdw_int_enable(sdev, false); 204 205 if (hdev->sdw) 206 sdw_intel_exit(hdev->sdw); 207 hdev->sdw = NULL; 208 209 return 0; 210 } 211 212 static bool hda_dsp_check_sdw_irq(struct snd_sof_dev *sdev) 213 { 214 struct sof_intel_hda_dev *hdev; 215 bool ret = false; 216 u32 irq_status; 217 218 hdev = sdev->pdata->hw_pdata; 219 220 if (!hdev->sdw) 221 return ret; 222 223 /* store status */ 224 irq_status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS2); 225 226 /* invalid message ? */ 227 if (irq_status == 0xffffffff) 228 goto out; 229 230 /* SDW message ? */ 231 if (irq_status & HDA_DSP_REG_ADSPIS2_SNDW) 232 ret = true; 233 234 out: 235 return ret; 236 } 237 238 static irqreturn_t hda_dsp_sdw_thread(int irq, void *context) 239 { 240 return sdw_intel_thread(irq, context); 241 } 242 243 static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev) 244 { 245 struct sof_intel_hda_dev *hdev; 246 247 hdev = sdev->pdata->hw_pdata; 248 if (hdev->sdw && 249 snd_sof_dsp_read(sdev, HDA_DSP_BAR, 250 HDA_DSP_REG_SNDW_WAKE_STS)) 251 return true; 252 253 return false; 254 } 255 256 void hda_sdw_process_wakeen(struct snd_sof_dev *sdev) 257 { 258 struct sof_intel_hda_dev *hdev; 259 260 hdev = sdev->pdata->hw_pdata; 261 if (!hdev->sdw) 262 return; 263 264 sdw_intel_process_wakeen_event(hdev->sdw); 265 } 266 267 #endif 268 269 /* 270 * Debug 271 */ 272 273 struct hda_dsp_msg_code { 274 u32 code; 275 const char *msg; 276 }; 277 278 static bool hda_use_msi = IS_ENABLED(CONFIG_PCI); 279 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG) 280 module_param_named(use_msi, hda_use_msi, bool, 0444); 281 MODULE_PARM_DESC(use_msi, "SOF HDA use PCI MSI mode"); 282 #endif 283 284 static char *hda_model; 285 module_param(hda_model, charp, 0444); 286 MODULE_PARM_DESC(hda_model, "Use the given HDA board model."); 287 288 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 289 static int hda_dmic_num = -1; 290 module_param_named(dmic_num, hda_dmic_num, int, 0444); 291 MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number"); 292 293 static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI); 294 module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444); 295 MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver"); 296 #endif 297 298 static const struct hda_dsp_msg_code hda_dsp_rom_msg[] = { 299 {HDA_DSP_ROM_FW_MANIFEST_LOADED, "status: manifest loaded"}, 300 {HDA_DSP_ROM_FW_FW_LOADED, "status: fw loaded"}, 301 {HDA_DSP_ROM_FW_ENTERED, "status: fw entered"}, 302 {HDA_DSP_ROM_CSE_ERROR, "error: cse error"}, 303 {HDA_DSP_ROM_CSE_WRONG_RESPONSE, "error: cse wrong response"}, 304 {HDA_DSP_ROM_IMR_TO_SMALL, "error: IMR too small"}, 305 {HDA_DSP_ROM_BASE_FW_NOT_FOUND, "error: base fw not found"}, 306 {HDA_DSP_ROM_CSE_VALIDATION_FAILED, "error: signature verification failed"}, 307 {HDA_DSP_ROM_IPC_FATAL_ERROR, "error: ipc fatal error"}, 308 {HDA_DSP_ROM_L2_CACHE_ERROR, "error: L2 cache error"}, 309 {HDA_DSP_ROM_LOAD_OFFSET_TO_SMALL, "error: load offset too small"}, 310 {HDA_DSP_ROM_API_PTR_INVALID, "error: API ptr invalid"}, 311 {HDA_DSP_ROM_BASEFW_INCOMPAT, "error: base fw incompatible"}, 312 {HDA_DSP_ROM_UNHANDLED_INTERRUPT, "error: unhandled interrupt"}, 313 {HDA_DSP_ROM_MEMORY_HOLE_ECC, "error: ECC memory hole"}, 314 {HDA_DSP_ROM_KERNEL_EXCEPTION, "error: kernel exception"}, 315 {HDA_DSP_ROM_USER_EXCEPTION, "error: user exception"}, 316 {HDA_DSP_ROM_UNEXPECTED_RESET, "error: unexpected reset"}, 317 {HDA_DSP_ROM_NULL_FW_ENTRY, "error: null FW entry point"}, 318 }; 319 320 static void hda_dsp_get_status_skl(struct snd_sof_dev *sdev) 321 { 322 u32 status; 323 int i; 324 325 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 326 HDA_ADSP_FW_STATUS_SKL); 327 328 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 329 if (status == hda_dsp_rom_msg[i].code) { 330 dev_err(sdev->dev, "%s - code %8.8x\n", 331 hda_dsp_rom_msg[i].msg, status); 332 return; 333 } 334 } 335 336 /* not for us, must be generic sof message */ 337 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 338 } 339 340 static void hda_dsp_get_status(struct snd_sof_dev *sdev) 341 { 342 u32 status; 343 int i; 344 345 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 346 HDA_DSP_SRAM_REG_ROM_STATUS); 347 348 for (i = 0; i < ARRAY_SIZE(hda_dsp_rom_msg); i++) { 349 if (status == hda_dsp_rom_msg[i].code) { 350 dev_err(sdev->dev, "%s - code %8.8x\n", 351 hda_dsp_rom_msg[i].msg, status); 352 return; 353 } 354 } 355 356 /* not for us, must be generic sof message */ 357 dev_dbg(sdev->dev, "unknown ROM status value %8.8x\n", status); 358 } 359 360 static void hda_dsp_get_registers(struct snd_sof_dev *sdev, 361 struct sof_ipc_dsp_oops_xtensa *xoops, 362 struct sof_ipc_panic_info *panic_info, 363 u32 *stack, size_t stack_words) 364 { 365 u32 offset = sdev->dsp_oops_offset; 366 367 /* first read registers */ 368 sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); 369 370 /* note: variable AR register array is not read */ 371 372 /* then get panic info */ 373 if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { 374 dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", 375 xoops->arch_hdr.totalsize); 376 return; 377 } 378 offset += xoops->arch_hdr.totalsize; 379 sof_block_read(sdev, sdev->mmio_bar, offset, 380 panic_info, sizeof(*panic_info)); 381 382 /* then get the stack */ 383 offset += sizeof(*panic_info); 384 sof_block_read(sdev, sdev->mmio_bar, offset, stack, 385 stack_words * sizeof(u32)); 386 } 387 388 void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags) 389 { 390 struct sof_ipc_dsp_oops_xtensa xoops; 391 struct sof_ipc_panic_info panic_info; 392 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 393 u32 status, panic; 394 395 /* try APL specific status message types first */ 396 hda_dsp_get_status_skl(sdev); 397 398 /* now try generic SOF status messages */ 399 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 400 HDA_ADSP_ERROR_CODE_SKL); 401 402 /*TODO: Check: there is no define in spec, but it is used in the code*/ 403 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 404 HDA_ADSP_ERROR_CODE_SKL + 0x4); 405 406 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { 407 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 408 HDA_DSP_STACK_DUMP_SIZE); 409 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 410 stack, HDA_DSP_STACK_DUMP_SIZE); 411 } else { 412 dev_err(sdev->dev, "error: status = 0x%8.8x panic = 0x%8.8x\n", 413 status, panic); 414 hda_dsp_get_status_skl(sdev); 415 } 416 } 417 418 /* dump the first 8 dwords representing the extended ROM status */ 419 static void hda_dsp_dump_ext_rom_status(struct snd_sof_dev *sdev, u32 flags) 420 { 421 char msg[128]; 422 int len = 0; 423 u32 value; 424 int i; 425 426 for (i = 0; i < HDA_EXT_ROM_STATUS_SIZE; i++) { 427 value = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_ROM_STATUS + i * 0x4); 428 len += snprintf(msg + len, sizeof(msg) - len, " 0x%x", value); 429 } 430 431 sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL, 432 "extended rom status: %s", msg); 433 434 } 435 436 void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags) 437 { 438 struct sof_ipc_dsp_oops_xtensa xoops; 439 struct sof_ipc_panic_info panic_info; 440 u32 stack[HDA_DSP_STACK_DUMP_SIZE]; 441 u32 status, panic; 442 443 /* try APL specific status message types first */ 444 hda_dsp_get_status(sdev); 445 446 /* now try generic SOF status messages */ 447 status = snd_sof_dsp_read(sdev, HDA_DSP_BAR, 448 HDA_DSP_SRAM_REG_FW_STATUS); 449 panic = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_SRAM_REG_FW_TRACEP); 450 451 if (sdev->fw_state == SOF_FW_BOOT_COMPLETE) { 452 hda_dsp_get_registers(sdev, &xoops, &panic_info, stack, 453 HDA_DSP_STACK_DUMP_SIZE); 454 snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, 455 stack, HDA_DSP_STACK_DUMP_SIZE); 456 } else { 457 sof_dev_dbg_or_err(sdev->dev, flags & SOF_DBG_DUMP_FORCE_ERR_LEVEL, 458 "status = 0x%8.8x panic = 0x%8.8x\n", 459 status, panic); 460 461 hda_dsp_dump_ext_rom_status(sdev, flags); 462 hda_dsp_get_status(sdev); 463 } 464 } 465 466 void hda_ipc_irq_dump(struct snd_sof_dev *sdev) 467 { 468 struct hdac_bus *bus = sof_to_bus(sdev); 469 u32 adspis; 470 u32 intsts; 471 u32 intctl; 472 u32 ppsts; 473 u8 rirbsts; 474 475 /* read key IRQ stats and config registers */ 476 adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS); 477 intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS); 478 intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL); 479 ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS); 480 rirbsts = snd_hdac_chip_readb(bus, RIRBSTS); 481 482 dev_err(sdev->dev, 483 "error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n", 484 intsts, intctl, rirbsts); 485 dev_err(sdev->dev, 486 "error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n", 487 ppsts, adspis); 488 } 489 490 void hda_ipc_dump(struct snd_sof_dev *sdev) 491 { 492 u32 hipcie; 493 u32 hipct; 494 u32 hipcctl; 495 496 hda_ipc_irq_dump(sdev); 497 498 /* read IPC status */ 499 hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE); 500 hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT); 501 hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL); 502 503 /* dump the IPC regs */ 504 /* TODO: parse the raw msg */ 505 dev_err(sdev->dev, 506 "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n", 507 hipcie, hipct, hipcctl); 508 } 509 510 static int hda_init(struct snd_sof_dev *sdev) 511 { 512 struct hda_bus *hbus; 513 struct hdac_bus *bus; 514 struct pci_dev *pci = to_pci_dev(sdev->dev); 515 int ret; 516 517 hbus = sof_to_hbus(sdev); 518 bus = sof_to_bus(sdev); 519 520 /* HDA bus init */ 521 sof_hda_bus_init(bus, &pci->dev); 522 523 bus->use_posbuf = 1; 524 bus->bdl_pos_adj = 0; 525 bus->sync_write = 1; 526 527 mutex_init(&hbus->prepare_mutex); 528 hbus->pci = pci; 529 hbus->mixer_assigned = -1; 530 hbus->modelname = hda_model; 531 532 /* initialise hdac bus */ 533 bus->addr = pci_resource_start(pci, 0); 534 #if IS_ENABLED(CONFIG_PCI) 535 bus->remap_addr = pci_ioremap_bar(pci, 0); 536 #endif 537 if (!bus->remap_addr) { 538 dev_err(bus->dev, "error: ioremap error\n"); 539 return -ENXIO; 540 } 541 542 /* HDA base */ 543 sdev->bar[HDA_DSP_HDA_BAR] = bus->remap_addr; 544 545 /* init i915 and HDMI codecs */ 546 ret = hda_codec_i915_init(sdev); 547 if (ret < 0) 548 dev_warn(sdev->dev, "init of i915 and HDMI codec failed\n"); 549 550 /* get controller capabilities */ 551 ret = hda_dsp_ctrl_get_caps(sdev); 552 if (ret < 0) 553 dev_err(sdev->dev, "error: get caps error\n"); 554 555 return ret; 556 } 557 558 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 559 560 static int check_nhlt_dmic(struct snd_sof_dev *sdev) 561 { 562 struct nhlt_acpi_table *nhlt; 563 int dmic_num; 564 565 nhlt = intel_nhlt_init(sdev->dev); 566 if (nhlt) { 567 dmic_num = intel_nhlt_get_dmic_geo(sdev->dev, nhlt); 568 intel_nhlt_free(nhlt); 569 if (dmic_num >= 1 && dmic_num <= 4) 570 return dmic_num; 571 } 572 573 return 0; 574 } 575 576 static const char *fixup_tplg_name(struct snd_sof_dev *sdev, 577 const char *sof_tplg_filename, 578 const char *idisp_str, 579 const char *dmic_str) 580 { 581 const char *tplg_filename = NULL; 582 char *filename; 583 char *split_ext; 584 585 filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL); 586 if (!filename) 587 return NULL; 588 589 /* this assumes a .tplg extension */ 590 split_ext = strsep(&filename, "."); 591 if (split_ext) { 592 tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, 593 "%s%s%s.tplg", 594 split_ext, idisp_str, dmic_str); 595 if (!tplg_filename) 596 return NULL; 597 } 598 return tplg_filename; 599 } 600 601 #endif 602 603 static int hda_init_caps(struct snd_sof_dev *sdev) 604 { 605 struct hdac_bus *bus = sof_to_bus(sdev); 606 struct snd_sof_pdata *pdata = sdev->pdata; 607 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 608 struct hdac_ext_link *hlink; 609 #endif 610 struct sof_intel_hda_dev *hdev = pdata->hw_pdata; 611 u32 link_mask; 612 int ret = 0; 613 614 device_disable_async_suspend(bus->dev); 615 616 /* check if dsp is there */ 617 if (bus->ppcap) 618 dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n"); 619 620 /* Init HDA controller after i915 init */ 621 ret = hda_dsp_ctrl_init_chip(sdev, true); 622 if (ret < 0) { 623 dev_err(bus->dev, "error: init chip failed with ret: %d\n", 624 ret); 625 return ret; 626 } 627 628 /* scan SoundWire capabilities exposed by DSDT */ 629 ret = hda_sdw_acpi_scan(sdev); 630 if (ret < 0) { 631 dev_dbg(sdev->dev, "skipping SoundWire, not detected with ACPI scan\n"); 632 goto skip_soundwire; 633 } 634 635 link_mask = hdev->info.link_mask; 636 if (!link_mask) { 637 dev_dbg(sdev->dev, "skipping SoundWire, no links enabled\n"); 638 goto skip_soundwire; 639 } 640 641 /* 642 * probe/allocate SoundWire resources. 643 * The hardware configuration takes place in hda_sdw_startup 644 * after power rails are enabled. 645 * It's entirely possible to have a mix of I2S/DMIC/SoundWire 646 * devices, so we allocate the resources in all cases. 647 */ 648 ret = hda_sdw_probe(sdev); 649 if (ret < 0) { 650 dev_err(sdev->dev, "error: SoundWire probe error\n"); 651 return ret; 652 } 653 654 skip_soundwire: 655 656 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 657 if (bus->mlcap) 658 snd_hdac_ext_bus_get_ml_capabilities(bus); 659 660 /* create codec instances */ 661 hda_codec_probe_bus(sdev, hda_codec_use_common_hdmi); 662 663 if (!HDA_IDISP_CODEC(bus->codec_mask)) 664 hda_codec_i915_display_power(sdev, false); 665 666 /* 667 * we are done probing so decrement link counts 668 */ 669 list_for_each_entry(hlink, &bus->hlink_list, list) 670 snd_hdac_ext_bus_link_put(bus, hlink); 671 #endif 672 return 0; 673 } 674 675 static const struct sof_intel_dsp_desc 676 *get_chip_info(struct snd_sof_pdata *pdata) 677 { 678 const struct sof_dev_desc *desc = pdata->desc; 679 const struct sof_intel_dsp_desc *chip_info; 680 681 chip_info = desc->chip_info; 682 683 return chip_info; 684 } 685 686 static irqreturn_t hda_dsp_interrupt_handler(int irq, void *context) 687 { 688 struct snd_sof_dev *sdev = context; 689 690 /* 691 * Get global interrupt status. It includes all hardware interrupt 692 * sources in the Intel HD Audio controller. 693 */ 694 if (snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS) & 695 SOF_HDA_INTSTS_GIS) { 696 697 /* disable GIE interrupt */ 698 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 699 SOF_HDA_INTCTL, 700 SOF_HDA_INT_GLOBAL_EN, 701 0); 702 703 return IRQ_WAKE_THREAD; 704 } 705 706 return IRQ_NONE; 707 } 708 709 static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context) 710 { 711 struct snd_sof_dev *sdev = context; 712 struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata; 713 714 /* deal with streams and controller first */ 715 if (hda_dsp_check_stream_irq(sdev)) 716 hda_dsp_stream_threaded_handler(irq, sdev); 717 718 if (hda_dsp_check_ipc_irq(sdev)) 719 sof_ops(sdev)->irq_thread(irq, sdev); 720 721 if (hda_dsp_check_sdw_irq(sdev)) 722 hda_dsp_sdw_thread(irq, hdev->sdw); 723 724 if (hda_sdw_check_wakeen_irq(sdev)) 725 hda_sdw_process_wakeen(sdev); 726 727 /* enable GIE interrupt */ 728 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, 729 SOF_HDA_INTCTL, 730 SOF_HDA_INT_GLOBAL_EN, 731 SOF_HDA_INT_GLOBAL_EN); 732 733 return IRQ_HANDLED; 734 } 735 736 int hda_dsp_probe(struct snd_sof_dev *sdev) 737 { 738 struct pci_dev *pci = to_pci_dev(sdev->dev); 739 struct sof_intel_hda_dev *hdev; 740 struct hdac_bus *bus; 741 const struct sof_intel_dsp_desc *chip; 742 int ret = 0; 743 744 /* 745 * detect DSP by checking class/subclass/prog-id information 746 * class=04 subclass 03 prog-if 00: no DSP, legacy driver is required 747 * class=04 subclass 01 prog-if 00: DSP is present 748 * (and may be required e.g. for DMIC or SSP support) 749 * class=04 subclass 03 prog-if 80: either of DSP or legacy mode works 750 */ 751 if (pci->class == 0x040300) { 752 dev_err(sdev->dev, "error: the DSP is not enabled on this platform, aborting probe\n"); 753 return -ENODEV; 754 } else if (pci->class != 0x040100 && pci->class != 0x040380) { 755 dev_err(sdev->dev, "error: unknown PCI class/subclass/prog-if 0x%06x found, aborting probe\n", pci->class); 756 return -ENODEV; 757 } 758 dev_info(sdev->dev, "DSP detected with PCI class/subclass/prog-if 0x%06x\n", pci->class); 759 760 chip = get_chip_info(sdev->pdata); 761 if (!chip) { 762 dev_err(sdev->dev, "error: no such device supported, chip id:%x\n", 763 pci->device); 764 ret = -EIO; 765 goto err; 766 } 767 768 hdev = devm_kzalloc(sdev->dev, sizeof(*hdev), GFP_KERNEL); 769 if (!hdev) 770 return -ENOMEM; 771 sdev->pdata->hw_pdata = hdev; 772 hdev->desc = chip; 773 774 hdev->dmic_dev = platform_device_register_data(sdev->dev, "dmic-codec", 775 PLATFORM_DEVID_NONE, 776 NULL, 0); 777 if (IS_ERR(hdev->dmic_dev)) { 778 dev_err(sdev->dev, "error: failed to create DMIC device\n"); 779 return PTR_ERR(hdev->dmic_dev); 780 } 781 782 /* 783 * use position update IPC if either it is forced 784 * or we don't have other choice 785 */ 786 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_FORCE_IPC_POSITION) 787 hdev->no_ipc_position = 0; 788 #else 789 hdev->no_ipc_position = sof_ops(sdev)->pcm_pointer ? 1 : 0; 790 #endif 791 792 /* set up HDA base */ 793 bus = sof_to_bus(sdev); 794 ret = hda_init(sdev); 795 if (ret < 0) 796 goto hdac_bus_unmap; 797 798 /* DSP base */ 799 #if IS_ENABLED(CONFIG_PCI) 800 sdev->bar[HDA_DSP_BAR] = pci_ioremap_bar(pci, HDA_DSP_BAR); 801 #endif 802 if (!sdev->bar[HDA_DSP_BAR]) { 803 dev_err(sdev->dev, "error: ioremap error\n"); 804 ret = -ENXIO; 805 goto hdac_bus_unmap; 806 } 807 808 sdev->mmio_bar = HDA_DSP_BAR; 809 sdev->mailbox_bar = HDA_DSP_BAR; 810 811 /* allow 64bit DMA address if supported by H/W */ 812 if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(64))) { 813 dev_dbg(sdev->dev, "DMA mask is 32 bit\n"); 814 dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32)); 815 } 816 817 /* init streams */ 818 ret = hda_dsp_stream_init(sdev); 819 if (ret < 0) { 820 dev_err(sdev->dev, "error: failed to init streams\n"); 821 /* 822 * not all errors are due to memory issues, but trying 823 * to free everything does not harm 824 */ 825 goto free_streams; 826 } 827 828 /* 829 * register our IRQ 830 * let's try to enable msi firstly 831 * if it fails, use legacy interrupt mode 832 * TODO: support msi multiple vectors 833 */ 834 if (hda_use_msi && pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI) > 0) { 835 dev_info(sdev->dev, "use msi interrupt mode\n"); 836 sdev->ipc_irq = pci_irq_vector(pci, 0); 837 /* initialised to "false" by kzalloc() */ 838 sdev->msi_enabled = true; 839 } 840 841 if (!sdev->msi_enabled) { 842 dev_info(sdev->dev, "use legacy interrupt mode\n"); 843 /* 844 * in IO-APIC mode, hda->irq and ipc_irq are using the same 845 * irq number of pci->irq 846 */ 847 sdev->ipc_irq = pci->irq; 848 } 849 850 dev_dbg(sdev->dev, "using IPC IRQ %d\n", sdev->ipc_irq); 851 ret = request_threaded_irq(sdev->ipc_irq, hda_dsp_interrupt_handler, 852 hda_dsp_interrupt_thread, 853 IRQF_SHARED, "AudioDSP", sdev); 854 if (ret < 0) { 855 dev_err(sdev->dev, "error: failed to register IPC IRQ %d\n", 856 sdev->ipc_irq); 857 goto free_irq_vector; 858 } 859 860 pci_set_master(pci); 861 synchronize_irq(pci->irq); 862 863 /* 864 * clear TCSEL to clear playback on some HD Audio 865 * codecs. PCI TCSEL is defined in the Intel manuals. 866 */ 867 snd_sof_pci_update_bits(sdev, PCI_TCSEL, 0x07, 0); 868 869 /* init HDA capabilities */ 870 ret = hda_init_caps(sdev); 871 if (ret < 0) 872 goto free_ipc_irq; 873 874 /* enable ppcap interrupt */ 875 hda_dsp_ctrl_ppcap_enable(sdev, true); 876 hda_dsp_ctrl_ppcap_int_enable(sdev, true); 877 878 /* set default mailbox offset for FW ready message */ 879 sdev->dsp_box.offset = HDA_DSP_MBOX_UPLINK_OFFSET; 880 881 INIT_DELAYED_WORK(&hdev->d0i3_work, hda_dsp_d0i3_work); 882 883 return 0; 884 885 free_ipc_irq: 886 free_irq(sdev->ipc_irq, sdev); 887 free_irq_vector: 888 if (sdev->msi_enabled) 889 pci_free_irq_vectors(pci); 890 free_streams: 891 hda_dsp_stream_free(sdev); 892 /* dsp_unmap: not currently used */ 893 iounmap(sdev->bar[HDA_DSP_BAR]); 894 hdac_bus_unmap: 895 iounmap(bus->remap_addr); 896 hda_codec_i915_exit(sdev); 897 err: 898 return ret; 899 } 900 901 int hda_dsp_remove(struct snd_sof_dev *sdev) 902 { 903 struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata; 904 struct hdac_bus *bus = sof_to_bus(sdev); 905 struct pci_dev *pci = to_pci_dev(sdev->dev); 906 const struct sof_intel_dsp_desc *chip = hda->desc; 907 908 /* cancel any attempt for DSP D0I3 */ 909 cancel_delayed_work_sync(&hda->d0i3_work); 910 911 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 912 /* codec removal, invoke bus_device_remove */ 913 snd_hdac_ext_bus_device_remove(bus); 914 #endif 915 916 hda_sdw_exit(sdev); 917 918 if (!IS_ERR_OR_NULL(hda->dmic_dev)) 919 platform_device_unregister(hda->dmic_dev); 920 921 /* disable DSP IRQ */ 922 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 923 SOF_HDA_PPCTL_PIE, 0); 924 925 /* disable CIE and GIE interrupts */ 926 snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL, 927 SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_GLOBAL_EN, 0); 928 929 /* disable cores */ 930 if (chip) 931 hda_dsp_core_reset_power_down(sdev, chip->host_managed_cores_mask); 932 933 /* disable DSP */ 934 snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL, 935 SOF_HDA_PPCTL_GPROCEN, 0); 936 937 free_irq(sdev->ipc_irq, sdev); 938 if (sdev->msi_enabled) 939 pci_free_irq_vectors(pci); 940 941 hda_dsp_stream_free(sdev); 942 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 943 snd_hdac_link_free_all(bus); 944 #endif 945 946 iounmap(sdev->bar[HDA_DSP_BAR]); 947 iounmap(bus->remap_addr); 948 949 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 950 snd_hdac_ext_bus_exit(bus); 951 #endif 952 hda_codec_i915_exit(sdev); 953 954 return 0; 955 } 956 957 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) 958 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 959 { 960 struct hdac_bus *bus = sof_to_bus(sdev); 961 struct snd_soc_acpi_mach_params *mach_params; 962 struct snd_soc_acpi_mach *hda_mach; 963 struct snd_sof_pdata *pdata = sdev->pdata; 964 const char *tplg_filename; 965 const char *idisp_str; 966 const char *dmic_str; 967 int dmic_num = 0; 968 int codec_num = 0; 969 int i; 970 971 /* codec detection */ 972 if (!bus->codec_mask) { 973 dev_info(bus->dev, "no hda codecs found!\n"); 974 } else { 975 dev_info(bus->dev, "hda codecs found, mask %lx\n", 976 bus->codec_mask); 977 978 for (i = 0; i < HDA_MAX_CODECS; i++) { 979 if (bus->codec_mask & (1 << i)) 980 codec_num++; 981 } 982 983 /* 984 * If no machine driver is found, then: 985 * 986 * generic hda machine driver can handle: 987 * - one HDMI codec, and/or 988 * - one external HDAudio codec 989 */ 990 if (!pdata->machine && codec_num <= 2) { 991 hda_mach = snd_soc_acpi_intel_hda_machines; 992 993 /* topology: use the info from hda_machines */ 994 pdata->tplg_filename = 995 hda_mach->sof_tplg_filename; 996 997 dev_info(bus->dev, "using HDA machine driver %s now\n", 998 hda_mach->drv_name); 999 1000 if (codec_num == 1 && HDA_IDISP_CODEC(bus->codec_mask)) 1001 idisp_str = "-idisp"; 1002 else 1003 idisp_str = ""; 1004 1005 /* first check NHLT for DMICs */ 1006 dmic_num = check_nhlt_dmic(sdev); 1007 1008 /* allow for module parameter override */ 1009 if (hda_dmic_num != -1) 1010 dmic_num = hda_dmic_num; 1011 1012 switch (dmic_num) { 1013 case 1: 1014 dmic_str = "-1ch"; 1015 break; 1016 case 2: 1017 dmic_str = "-2ch"; 1018 break; 1019 case 3: 1020 dmic_str = "-3ch"; 1021 break; 1022 case 4: 1023 dmic_str = "-4ch"; 1024 break; 1025 default: 1026 dmic_num = 0; 1027 dmic_str = ""; 1028 break; 1029 } 1030 1031 tplg_filename = pdata->tplg_filename; 1032 tplg_filename = fixup_tplg_name(sdev, tplg_filename, 1033 idisp_str, dmic_str); 1034 if (!tplg_filename) 1035 return -EINVAL; 1036 1037 dev_info(bus->dev, 1038 "DMICs detected in NHLT tables: %d\n", 1039 dmic_num); 1040 1041 pdata->machine = hda_mach; 1042 pdata->tplg_filename = tplg_filename; 1043 } 1044 } 1045 1046 /* used by hda machine driver to create dai links */ 1047 if (pdata->machine) { 1048 mach_params = (struct snd_soc_acpi_mach_params *) 1049 &pdata->machine->mach_params; 1050 mach_params->codec_mask = bus->codec_mask; 1051 mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi; 1052 mach_params->dmic_num = dmic_num; 1053 } 1054 1055 return 0; 1056 } 1057 #else 1058 static int hda_generic_machine_select(struct snd_sof_dev *sdev) 1059 { 1060 return 0; 1061 } 1062 #endif 1063 1064 #if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE) 1065 /* Check if all Slaves defined on the link can be found */ 1066 static bool link_slaves_found(struct snd_sof_dev *sdev, 1067 const struct snd_soc_acpi_link_adr *link, 1068 struct sdw_intel_ctx *sdw) 1069 { 1070 struct hdac_bus *bus = sof_to_bus(sdev); 1071 struct sdw_intel_slave_id *ids = sdw->ids; 1072 int num_slaves = sdw->num_slaves; 1073 unsigned int part_id, link_id, unique_id, mfg_id; 1074 int i, j; 1075 1076 for (i = 0; i < link->num_adr; i++) { 1077 u64 adr = link->adr_d[i].adr; 1078 1079 mfg_id = SDW_MFG_ID(adr); 1080 part_id = SDW_PART_ID(adr); 1081 link_id = SDW_DISCO_LINK_ID(adr); 1082 for (j = 0; j < num_slaves; j++) { 1083 if (ids[j].link_id != link_id || 1084 ids[j].id.part_id != part_id || 1085 ids[j].id.mfg_id != mfg_id) 1086 continue; 1087 /* 1088 * we have to check unique id 1089 * if there is more than one 1090 * Slave on the link 1091 */ 1092 unique_id = SDW_UNIQUE_ID(adr); 1093 if (link->num_adr == 1 || 1094 ids[j].id.unique_id == SDW_IGNORED_UNIQUE_ID || 1095 ids[j].id.unique_id == unique_id) { 1096 dev_dbg(bus->dev, 1097 "found %x at link %d\n", 1098 part_id, link_id); 1099 break; 1100 } 1101 } 1102 if (j == num_slaves) { 1103 dev_dbg(bus->dev, 1104 "Slave %x not found\n", 1105 part_id); 1106 return false; 1107 } 1108 } 1109 return true; 1110 } 1111 1112 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1113 { 1114 struct snd_sof_pdata *pdata = sdev->pdata; 1115 const struct snd_soc_acpi_link_adr *link; 1116 struct hdac_bus *bus = sof_to_bus(sdev); 1117 struct snd_soc_acpi_mach *mach; 1118 struct sof_intel_hda_dev *hdev; 1119 u32 link_mask; 1120 int i; 1121 1122 hdev = pdata->hw_pdata; 1123 link_mask = hdev->info.link_mask; 1124 1125 /* 1126 * Select SoundWire machine driver if needed using the 1127 * alternate tables. This case deals with SoundWire-only 1128 * machines, for mixed cases with I2C/I2S the detection relies 1129 * on the HID list. 1130 */ 1131 if (link_mask && !pdata->machine) { 1132 for (mach = pdata->desc->alt_machines; 1133 mach && mach->link_mask; mach++) { 1134 /* 1135 * On some platforms such as Up Extreme all links 1136 * are enabled but only one link can be used by 1137 * external codec. Instead of exact match of two masks, 1138 * first check whether link_mask of mach is subset of 1139 * link_mask supported by hw and then go on searching 1140 * link_adr 1141 */ 1142 if (~link_mask & mach->link_mask) 1143 continue; 1144 1145 /* No need to match adr if there is no links defined */ 1146 if (!mach->links) 1147 break; 1148 1149 link = mach->links; 1150 for (i = 0; i < hdev->info.count && link->num_adr; 1151 i++, link++) { 1152 /* 1153 * Try next machine if any expected Slaves 1154 * are not found on this link. 1155 */ 1156 if (!link_slaves_found(sdev, link, hdev->sdw)) 1157 break; 1158 } 1159 /* Found if all Slaves are checked */ 1160 if (i == hdev->info.count || !link->num_adr) 1161 break; 1162 } 1163 if (mach && mach->link_mask) { 1164 dev_dbg(bus->dev, 1165 "SoundWire machine driver %s topology %s\n", 1166 mach->drv_name, 1167 mach->sof_tplg_filename); 1168 pdata->machine = mach; 1169 mach->mach_params.links = mach->links; 1170 mach->mach_params.link_mask = mach->link_mask; 1171 mach->mach_params.platform = dev_name(sdev->dev); 1172 pdata->fw_filename = mach->sof_fw_filename; 1173 pdata->tplg_filename = mach->sof_tplg_filename; 1174 } else { 1175 dev_info(sdev->dev, 1176 "No SoundWire machine driver found\n"); 1177 } 1178 } 1179 1180 return 0; 1181 } 1182 #else 1183 static int hda_sdw_machine_select(struct snd_sof_dev *sdev) 1184 { 1185 return 0; 1186 } 1187 #endif 1188 1189 void hda_set_mach_params(const struct snd_soc_acpi_mach *mach, 1190 struct device *dev) 1191 { 1192 struct snd_soc_acpi_mach_params *mach_params; 1193 1194 mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; 1195 mach_params->platform = dev_name(dev); 1196 } 1197 1198 void hda_machine_select(struct snd_sof_dev *sdev) 1199 { 1200 struct snd_sof_pdata *sof_pdata = sdev->pdata; 1201 const struct sof_dev_desc *desc = sof_pdata->desc; 1202 struct snd_soc_acpi_mach *mach; 1203 1204 mach = snd_soc_acpi_find_machine(desc->machines); 1205 if (mach) { 1206 /* 1207 * If tplg file name is overridden, use it instead of 1208 * the one set in mach table 1209 */ 1210 if (!sof_pdata->tplg_filename) 1211 sof_pdata->tplg_filename = mach->sof_tplg_filename; 1212 1213 sof_pdata->machine = mach; 1214 1215 if (mach->link_mask) { 1216 mach->mach_params.links = mach->links; 1217 mach->mach_params.link_mask = mach->link_mask; 1218 } 1219 } 1220 1221 /* 1222 * If I2S fails, try SoundWire 1223 */ 1224 hda_sdw_machine_select(sdev); 1225 1226 /* 1227 * Choose HDA generic machine driver if mach is NULL. 1228 * Otherwise, set certain mach params. 1229 */ 1230 hda_generic_machine_select(sdev); 1231 1232 if (!sof_pdata->machine) 1233 dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); 1234 } 1235 1236 MODULE_LICENSE("Dual BSD/GPL"); 1237 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC); 1238 MODULE_IMPORT_NS(SND_SOC_SOF_HDA_AUDIO_CODEC_I915); 1239 MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 1240 MODULE_IMPORT_NS(SOUNDWIRE_INTEL_INIT); 1241