1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved. 4 // 5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com> 6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> 7 // 8 // Special thanks to: 9 // Krzysztof Hejmowski <krzysztof.hejmowski@intel.com> 10 // Michal Sienkiewicz <michal.sienkiewicz@intel.com> 11 // Filip Proborszcz 12 // 13 // for sharing Intel AudioDSP expertise and helping shape the very 14 // foundation of this driver 15 // 16 17 #include <linux/module.h> 18 #include <linux/pci.h> 19 #include <sound/hda_codec.h> 20 #include <sound/hda_i915.h> 21 #include <sound/hda_register.h> 22 #include <sound/hdaudio.h> 23 #include <sound/hdaudio_ext.h> 24 #include <sound/intel-dsp-config.h> 25 #include <sound/intel-nhlt.h> 26 #include "../../codecs/hda.h" 27 #include "avs.h" 28 #include "cldma.h" 29 #include "messages.h" 30 31 static u32 pgctl_mask = AZX_PGCTL_LSRMD_MASK; 32 module_param(pgctl_mask, uint, 0444); 33 MODULE_PARM_DESC(pgctl_mask, "PCI PGCTL policy override"); 34 35 static u32 cgctl_mask = AZX_CGCTL_MISCBDCGE_MASK; 36 module_param(cgctl_mask, uint, 0444); 37 MODULE_PARM_DESC(cgctl_mask, "PCI CGCTL policy override"); 38 39 static void 40 avs_hda_update_config_dword(struct hdac_bus *bus, u32 reg, u32 mask, u32 value) 41 { 42 struct pci_dev *pci = to_pci_dev(bus->dev); 43 u32 data; 44 45 pci_read_config_dword(pci, reg, &data); 46 data &= ~mask; 47 data |= (value & mask); 48 pci_write_config_dword(pci, reg, data); 49 } 50 51 void avs_hda_power_gating_enable(struct avs_dev *adev, bool enable) 52 { 53 u32 value = enable ? 0 : pgctl_mask; 54 55 avs_hda_update_config_dword(&adev->base.core, AZX_PCIREG_PGCTL, pgctl_mask, value); 56 } 57 58 static void avs_hdac_clock_gating_enable(struct hdac_bus *bus, bool enable) 59 { 60 u32 value = enable ? cgctl_mask : 0; 61 62 avs_hda_update_config_dword(bus, AZX_PCIREG_CGCTL, cgctl_mask, value); 63 } 64 65 void avs_hda_clock_gating_enable(struct avs_dev *adev, bool enable) 66 { 67 avs_hdac_clock_gating_enable(&adev->base.core, enable); 68 } 69 70 void avs_hda_l1sen_enable(struct avs_dev *adev, bool enable) 71 { 72 if (enable) { 73 if (atomic_inc_and_test(&adev->l1sen_counter)) 74 snd_hdac_chip_updatel(&adev->base.core, VS_EM2, AZX_VS_EM2_L1SEN, 75 AZX_VS_EM2_L1SEN); 76 } else { 77 if (atomic_dec_return(&adev->l1sen_counter) == -1) 78 snd_hdac_chip_updatel(&adev->base.core, VS_EM2, AZX_VS_EM2_L1SEN, 0); 79 } 80 } 81 82 static int avs_hdac_bus_init_streams(struct hdac_bus *bus) 83 { 84 unsigned int cp_streams, pb_streams; 85 unsigned int gcap; 86 87 gcap = snd_hdac_chip_readw(bus, GCAP); 88 cp_streams = (gcap >> 8) & 0x0F; 89 pb_streams = (gcap >> 12) & 0x0F; 90 bus->num_streams = cp_streams + pb_streams; 91 92 snd_hdac_ext_stream_init_all(bus, 0, cp_streams, SNDRV_PCM_STREAM_CAPTURE); 93 snd_hdac_ext_stream_init_all(bus, cp_streams, pb_streams, SNDRV_PCM_STREAM_PLAYBACK); 94 95 return snd_hdac_bus_alloc_stream_pages(bus); 96 } 97 98 static bool avs_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset) 99 { 100 struct hdac_ext_link *hlink; 101 bool ret; 102 103 avs_hdac_clock_gating_enable(bus, false); 104 ret = snd_hdac_bus_init_chip(bus, full_reset); 105 106 /* Reset stream-to-link mapping */ 107 list_for_each_entry(hlink, &bus->hlink_list, list) 108 writel(0, hlink->ml_addr + AZX_REG_ML_LOSIDV); 109 110 avs_hdac_clock_gating_enable(bus, true); 111 112 /* Set DUM bit to address incorrect position reporting for capture 113 * streams. In order to do so, CTRL needs to be out of reset state 114 */ 115 snd_hdac_chip_updatel(bus, VS_EM2, AZX_VS_EM2_DUM, AZX_VS_EM2_DUM); 116 117 return ret; 118 } 119 120 static int probe_codec(struct hdac_bus *bus, int addr) 121 { 122 struct hda_codec *codec; 123 unsigned int cmd = (addr << 28) | (AC_NODE_ROOT << 20) | 124 (AC_VERB_PARAMETERS << 8) | AC_PAR_VENDOR_ID; 125 unsigned int res = -1; 126 int ret; 127 128 mutex_lock(&bus->cmd_mutex); 129 snd_hdac_bus_send_cmd(bus, cmd); 130 snd_hdac_bus_get_response(bus, addr, &res); 131 mutex_unlock(&bus->cmd_mutex); 132 if (res == -1) 133 return -EIO; 134 135 dev_dbg(bus->dev, "codec #%d probed OK: 0x%x\n", addr, res); 136 137 codec = snd_hda_codec_device_init(to_hda_bus(bus), addr, "hdaudioB%dD%d", bus->idx, addr); 138 if (IS_ERR(codec)) { 139 dev_err(bus->dev, "init codec failed: %ld\n", PTR_ERR(codec)); 140 return PTR_ERR(codec); 141 } 142 /* 143 * Allow avs_core suspend by forcing suspended state on all 144 * of its codec child devices. Component interested in 145 * dealing with hda codecs directly takes pm responsibilities 146 */ 147 pm_runtime_set_suspended(hda_codec_dev(codec)); 148 149 /* configure effectively creates new ASoC component */ 150 ret = snd_hda_codec_configure(codec); 151 if (ret < 0) { 152 dev_warn(bus->dev, "failed to config codec #%d: %d\n", addr, ret); 153 return ret; 154 } 155 156 return 0; 157 } 158 159 static void avs_hdac_bus_probe_codecs(struct hdac_bus *bus) 160 { 161 int ret, c; 162 163 /* First try to probe all given codec slots */ 164 for (c = 0; c < HDA_MAX_CODECS; c++) { 165 if (!(bus->codec_mask & BIT(c))) 166 continue; 167 168 ret = probe_codec(bus, c); 169 /* Ignore codecs with no supporting driver. */ 170 if (!ret || ret == -ENODEV) 171 continue; 172 173 /* 174 * Some BIOSen give you wrong codec addresses 175 * that don't exist 176 */ 177 dev_warn(bus->dev, "Codec #%d probe error; disabling it...\n", c); 178 bus->codec_mask &= ~BIT(c); 179 /* 180 * More badly, accessing to a non-existing 181 * codec often screws up the controller bus, 182 * and disturbs the further communications. 183 * Thus if an error occurs during probing, 184 * better to reset the controller bus to get 185 * back to the sanity state. 186 */ 187 snd_hdac_bus_stop_chip(bus); 188 avs_hdac_bus_init_chip(bus, true); 189 } 190 } 191 192 static void avs_hda_probe_work(struct work_struct *work) 193 { 194 struct avs_dev *adev = container_of(work, struct avs_dev, probe_work); 195 struct hdac_bus *bus = &adev->base.core; 196 struct hdac_ext_link *hlink; 197 int ret; 198 199 pm_runtime_set_active(bus->dev); /* clear runtime_error flag */ 200 201 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true); 202 avs_hdac_bus_init_chip(bus, true); 203 avs_hdac_bus_probe_codecs(bus); 204 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false); 205 206 /* with all codecs probed, links can be powered down */ 207 list_for_each_entry(hlink, &bus->hlink_list, list) 208 snd_hdac_ext_bus_link_put(bus, hlink); 209 210 snd_hdac_ext_bus_ppcap_enable(bus, true); 211 snd_hdac_ext_bus_ppcap_int_enable(bus, true); 212 213 ret = avs_dsp_first_boot_firmware(adev); 214 if (ret < 0) 215 return; 216 217 adev->nhlt = intel_nhlt_init(adev->dev); 218 if (!adev->nhlt) 219 dev_info(bus->dev, "platform has no NHLT\n"); 220 avs_debugfs_init(adev); 221 222 avs_register_all_boards(adev); 223 224 /* configure PM */ 225 pm_runtime_set_autosuspend_delay(bus->dev, 2000); 226 pm_runtime_use_autosuspend(bus->dev); 227 pm_runtime_mark_last_busy(bus->dev); 228 pm_runtime_put_autosuspend(bus->dev); 229 pm_runtime_allow(bus->dev); 230 } 231 232 static void hdac_stream_update_pos(struct hdac_stream *stream, u64 buffer_size) 233 { 234 u64 prev_pos, pos, num_bytes; 235 236 div64_u64_rem(stream->curr_pos, buffer_size, &prev_pos); 237 pos = snd_hdac_stream_get_pos_posbuf(stream); 238 239 if (pos < prev_pos) 240 num_bytes = (buffer_size - prev_pos) + pos; 241 else 242 num_bytes = pos - prev_pos; 243 244 stream->curr_pos += num_bytes; 245 } 246 247 /* called from IRQ */ 248 static void hdac_update_stream(struct hdac_bus *bus, struct hdac_stream *stream) 249 { 250 if (stream->substream) { 251 snd_pcm_period_elapsed(stream->substream); 252 } else if (stream->cstream) { 253 u64 buffer_size = stream->cstream->runtime->buffer_size; 254 255 hdac_stream_update_pos(stream, buffer_size); 256 snd_compr_fragment_elapsed(stream->cstream); 257 } 258 } 259 260 static irqreturn_t hdac_bus_irq_handler(int irq, void *context) 261 { 262 struct hdac_bus *bus = context; 263 u32 mask, int_enable; 264 u32 status; 265 int ret = IRQ_NONE; 266 267 if (!pm_runtime_active(bus->dev)) 268 return ret; 269 270 spin_lock(&bus->reg_lock); 271 272 status = snd_hdac_chip_readl(bus, INTSTS); 273 if (status == 0 || status == UINT_MAX) { 274 spin_unlock(&bus->reg_lock); 275 return ret; 276 } 277 278 /* clear rirb int */ 279 status = snd_hdac_chip_readb(bus, RIRBSTS); 280 if (status & RIRB_INT_MASK) { 281 if (status & RIRB_INT_RESPONSE) 282 snd_hdac_bus_update_rirb(bus); 283 snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK); 284 } 285 286 mask = (0x1 << bus->num_streams) - 1; 287 288 status = snd_hdac_chip_readl(bus, INTSTS); 289 status &= mask; 290 if (status) { 291 /* Disable stream interrupts; Re-enable in bottom half */ 292 int_enable = snd_hdac_chip_readl(bus, INTCTL); 293 snd_hdac_chip_writel(bus, INTCTL, (int_enable & (~mask))); 294 ret = IRQ_WAKE_THREAD; 295 } else { 296 ret = IRQ_HANDLED; 297 } 298 299 spin_unlock(&bus->reg_lock); 300 return ret; 301 } 302 303 static irqreturn_t hdac_bus_irq_thread(int irq, void *context) 304 { 305 struct hdac_bus *bus = context; 306 u32 status; 307 u32 int_enable; 308 u32 mask; 309 unsigned long flags; 310 311 status = snd_hdac_chip_readl(bus, INTSTS); 312 313 snd_hdac_bus_handle_stream_irq(bus, status, hdac_update_stream); 314 315 /* Re-enable stream interrupts */ 316 mask = (0x1 << bus->num_streams) - 1; 317 spin_lock_irqsave(&bus->reg_lock, flags); 318 int_enable = snd_hdac_chip_readl(bus, INTCTL); 319 snd_hdac_chip_writel(bus, INTCTL, (int_enable | mask)); 320 spin_unlock_irqrestore(&bus->reg_lock, flags); 321 322 return IRQ_HANDLED; 323 } 324 325 static irqreturn_t avs_dsp_irq_handler(int irq, void *dev_id) 326 { 327 struct avs_dev *adev = dev_id; 328 329 return avs_dsp_op(adev, irq_handler); 330 } 331 332 static irqreturn_t avs_dsp_irq_thread(int irq, void *dev_id) 333 { 334 struct avs_dev *adev = dev_id; 335 336 return avs_dsp_op(adev, irq_thread); 337 } 338 339 static int avs_hdac_acquire_irq(struct avs_dev *adev) 340 { 341 struct hdac_bus *bus = &adev->base.core; 342 struct pci_dev *pci = to_pci_dev(bus->dev); 343 int ret; 344 345 /* request one and check that we only got one interrupt */ 346 ret = pci_alloc_irq_vectors(pci, 1, 1, PCI_IRQ_MSI | PCI_IRQ_LEGACY); 347 if (ret != 1) { 348 dev_err(adev->dev, "Failed to allocate IRQ vector: %d\n", ret); 349 return ret; 350 } 351 352 ret = pci_request_irq(pci, 0, hdac_bus_irq_handler, hdac_bus_irq_thread, bus, 353 KBUILD_MODNAME); 354 if (ret < 0) { 355 dev_err(adev->dev, "Failed to request stream IRQ handler: %d\n", ret); 356 goto free_vector; 357 } 358 359 ret = pci_request_irq(pci, 0, avs_dsp_irq_handler, avs_dsp_irq_thread, adev, 360 KBUILD_MODNAME); 361 if (ret < 0) { 362 dev_err(adev->dev, "Failed to request IPC IRQ handler: %d\n", ret); 363 goto free_stream_irq; 364 } 365 366 return 0; 367 368 free_stream_irq: 369 pci_free_irq(pci, 0, bus); 370 free_vector: 371 pci_free_irq_vectors(pci); 372 return ret; 373 } 374 375 static int avs_bus_init(struct avs_dev *adev, struct pci_dev *pci, const struct pci_device_id *id) 376 { 377 struct hda_bus *bus = &adev->base; 378 struct avs_ipc *ipc; 379 struct device *dev = &pci->dev; 380 int ret; 381 382 ret = snd_hdac_ext_bus_init(&bus->core, dev, NULL, &soc_hda_ext_bus_ops); 383 if (ret < 0) 384 return ret; 385 386 bus->core.use_posbuf = 1; 387 bus->core.bdl_pos_adj = 0; 388 bus->core.sync_write = 1; 389 bus->pci = pci; 390 bus->mixer_assigned = -1; 391 mutex_init(&bus->prepare_mutex); 392 393 ipc = devm_kzalloc(dev, sizeof(*ipc), GFP_KERNEL); 394 if (!ipc) 395 return -ENOMEM; 396 ret = avs_ipc_init(ipc, dev); 397 if (ret < 0) 398 return ret; 399 400 adev->modcfg_buf = devm_kzalloc(dev, AVS_MAILBOX_SIZE, GFP_KERNEL); 401 if (!adev->modcfg_buf) 402 return -ENOMEM; 403 404 adev->dev = dev; 405 adev->spec = (const struct avs_spec *)id->driver_data; 406 adev->ipc = ipc; 407 adev->hw_cfg.dsp_cores = hweight_long(AVS_MAIN_CORE_MASK); 408 INIT_WORK(&adev->probe_work, avs_hda_probe_work); 409 INIT_LIST_HEAD(&adev->comp_list); 410 INIT_LIST_HEAD(&adev->path_list); 411 INIT_LIST_HEAD(&adev->fw_list); 412 init_completion(&adev->fw_ready); 413 spin_lock_init(&adev->path_list_lock); 414 mutex_init(&adev->modres_mutex); 415 mutex_init(&adev->comp_list_mutex); 416 mutex_init(&adev->path_mutex); 417 418 return 0; 419 } 420 421 static int avs_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) 422 { 423 struct hdac_bus *bus; 424 struct avs_dev *adev; 425 struct device *dev = &pci->dev; 426 int ret; 427 428 ret = snd_intel_dsp_driver_probe(pci); 429 if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_AVS) 430 return -ENODEV; 431 432 ret = pcim_enable_device(pci); 433 if (ret < 0) 434 return ret; 435 436 adev = devm_kzalloc(dev, sizeof(*adev), GFP_KERNEL); 437 if (!adev) 438 return -ENOMEM; 439 ret = avs_bus_init(adev, pci, id); 440 if (ret < 0) { 441 dev_err(dev, "failed to init avs bus: %d\n", ret); 442 return ret; 443 } 444 445 ret = pci_request_regions(pci, "AVS HDAudio"); 446 if (ret < 0) 447 return ret; 448 449 bus = &adev->base.core; 450 bus->addr = pci_resource_start(pci, 0); 451 bus->remap_addr = pci_ioremap_bar(pci, 0); 452 if (!bus->remap_addr) { 453 dev_err(bus->dev, "ioremap error\n"); 454 ret = -ENXIO; 455 goto err_remap_bar0; 456 } 457 458 adev->dsp_ba = pci_ioremap_bar(pci, 4); 459 if (!adev->dsp_ba) { 460 dev_err(bus->dev, "ioremap error\n"); 461 ret = -ENXIO; 462 goto err_remap_bar4; 463 } 464 465 snd_hdac_bus_parse_capabilities(bus); 466 if (bus->mlcap) 467 snd_hdac_ext_bus_get_ml_capabilities(bus); 468 469 if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64))) 470 dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32)); 471 dma_set_max_seg_size(dev, UINT_MAX); 472 473 ret = avs_hdac_bus_init_streams(bus); 474 if (ret < 0) { 475 dev_err(dev, "failed to init streams: %d\n", ret); 476 goto err_init_streams; 477 } 478 479 ret = avs_hdac_acquire_irq(adev); 480 if (ret < 0) { 481 dev_err(bus->dev, "failed to acquire irq: %d\n", ret); 482 goto err_acquire_irq; 483 } 484 485 pci_set_master(pci); 486 pci_set_drvdata(pci, bus); 487 device_disable_async_suspend(dev); 488 489 ret = snd_hdac_i915_init(bus); 490 if (ret == -EPROBE_DEFER) 491 goto err_i915_init; 492 else if (ret < 0) 493 dev_info(bus->dev, "i915 init unsuccessful: %d\n", ret); 494 495 schedule_work(&adev->probe_work); 496 497 return 0; 498 499 err_i915_init: 500 pci_free_irq(pci, 0, adev); 501 pci_free_irq(pci, 0, bus); 502 pci_free_irq_vectors(pci); 503 pci_clear_master(pci); 504 pci_set_drvdata(pci, NULL); 505 err_acquire_irq: 506 snd_hdac_bus_free_stream_pages(bus); 507 snd_hdac_ext_stream_free_all(bus); 508 err_init_streams: 509 iounmap(adev->dsp_ba); 510 err_remap_bar4: 511 iounmap(bus->remap_addr); 512 err_remap_bar0: 513 pci_release_regions(pci); 514 return ret; 515 } 516 517 static void avs_pci_shutdown(struct pci_dev *pci) 518 { 519 struct hdac_bus *bus = pci_get_drvdata(pci); 520 struct avs_dev *adev = hdac_to_avs(bus); 521 522 cancel_work_sync(&adev->probe_work); 523 avs_ipc_block(adev->ipc); 524 525 snd_hdac_stop_streams(bus); 526 avs_dsp_op(adev, int_control, false); 527 snd_hdac_ext_bus_ppcap_int_enable(bus, false); 528 snd_hdac_ext_bus_link_power_down_all(bus); 529 530 snd_hdac_bus_stop_chip(bus); 531 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false); 532 533 if (avs_platattr_test(adev, CLDMA)) 534 pci_free_irq(pci, 0, &code_loader); 535 pci_free_irq(pci, 0, adev); 536 pci_free_irq(pci, 0, bus); 537 pci_free_irq_vectors(pci); 538 } 539 540 static void avs_pci_remove(struct pci_dev *pci) 541 { 542 struct hdac_device *hdev, *save; 543 struct hdac_bus *bus = pci_get_drvdata(pci); 544 struct avs_dev *adev = hdac_to_avs(bus); 545 546 cancel_work_sync(&adev->probe_work); 547 avs_ipc_block(adev->ipc); 548 549 avs_unregister_all_boards(adev); 550 551 avs_debugfs_exit(adev); 552 if (adev->nhlt) 553 intel_nhlt_free(adev->nhlt); 554 555 if (avs_platattr_test(adev, CLDMA)) 556 hda_cldma_free(&code_loader); 557 558 snd_hdac_stop_streams_and_chip(bus); 559 avs_dsp_op(adev, int_control, false); 560 snd_hdac_ext_bus_ppcap_int_enable(bus, false); 561 562 /* it is safe to remove all codecs from the system now */ 563 list_for_each_entry_safe(hdev, save, &bus->codec_list, list) 564 snd_hda_codec_unregister(hdac_to_hda_codec(hdev)); 565 566 snd_hdac_bus_free_stream_pages(bus); 567 snd_hdac_ext_stream_free_all(bus); 568 /* reverse ml_capabilities */ 569 snd_hdac_ext_link_free_all(bus); 570 snd_hdac_ext_bus_exit(bus); 571 572 avs_dsp_core_disable(adev, GENMASK(adev->hw_cfg.dsp_cores - 1, 0)); 573 snd_hdac_ext_bus_ppcap_enable(bus, false); 574 575 /* snd_hdac_stop_streams_and_chip does that already? */ 576 snd_hdac_bus_stop_chip(bus); 577 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false); 578 if (bus->audio_component) 579 snd_hdac_i915_exit(bus); 580 581 avs_module_info_free(adev); 582 pci_free_irq(pci, 0, adev); 583 pci_free_irq(pci, 0, bus); 584 pci_free_irq_vectors(pci); 585 iounmap(bus->remap_addr); 586 iounmap(adev->dsp_ba); 587 pci_release_regions(pci); 588 589 /* Firmware is not needed anymore */ 590 avs_release_firmwares(adev); 591 592 /* pm_runtime_forbid() can rpm_resume() which we do not want */ 593 pm_runtime_disable(&pci->dev); 594 pm_runtime_forbid(&pci->dev); 595 pm_runtime_enable(&pci->dev); 596 pm_runtime_get_noresume(&pci->dev); 597 } 598 599 static int avs_suspend_standby(struct avs_dev *adev) 600 { 601 struct hdac_bus *bus = &adev->base.core; 602 struct pci_dev *pci = adev->base.pci; 603 604 if (bus->cmd_dma_state) 605 snd_hdac_bus_stop_cmd_io(bus); 606 607 snd_hdac_ext_bus_link_power_down_all(bus); 608 609 enable_irq_wake(pci->irq); 610 pci_save_state(pci); 611 612 return 0; 613 } 614 615 static int __maybe_unused avs_suspend_common(struct avs_dev *adev, bool low_power) 616 { 617 struct hdac_bus *bus = &adev->base.core; 618 int ret; 619 620 flush_work(&adev->probe_work); 621 if (low_power && adev->num_lp_paths) 622 return avs_suspend_standby(adev); 623 624 snd_hdac_ext_bus_link_power_down_all(bus); 625 626 ret = avs_ipc_set_dx(adev, AVS_MAIN_CORE_MASK, false); 627 /* 628 * pm_runtime is blocked on DSP failure but system-wide suspend is not. 629 * Do not block entire system from suspending if that's the case. 630 */ 631 if (ret && ret != -EPERM) { 632 dev_err(adev->dev, "set dx failed: %d\n", ret); 633 return AVS_IPC_RET(ret); 634 } 635 636 avs_ipc_block(adev->ipc); 637 avs_dsp_op(adev, int_control, false); 638 snd_hdac_ext_bus_ppcap_int_enable(bus, false); 639 640 ret = avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 641 if (ret < 0) { 642 dev_err(adev->dev, "core_mask %ld disable failed: %d\n", AVS_MAIN_CORE_MASK, ret); 643 return ret; 644 } 645 646 snd_hdac_ext_bus_ppcap_enable(bus, false); 647 /* disable LP SRAM retention */ 648 avs_hda_power_gating_enable(adev, false); 649 snd_hdac_bus_stop_chip(bus); 650 /* disable CG when putting controller to reset */ 651 avs_hdac_clock_gating_enable(bus, false); 652 snd_hdac_bus_enter_link_reset(bus); 653 avs_hdac_clock_gating_enable(bus, true); 654 655 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, false); 656 657 return 0; 658 } 659 660 static int avs_resume_standby(struct avs_dev *adev) 661 { 662 struct hdac_bus *bus = &adev->base.core; 663 struct pci_dev *pci = adev->base.pci; 664 665 pci_restore_state(pci); 666 disable_irq_wake(pci->irq); 667 668 snd_hdac_ext_bus_link_power_up_all(bus); 669 670 if (bus->cmd_dma_state) 671 snd_hdac_bus_init_cmd_io(bus); 672 673 return 0; 674 } 675 676 static int __maybe_unused avs_resume_common(struct avs_dev *adev, bool low_power, bool purge) 677 { 678 struct hdac_bus *bus = &adev->base.core; 679 int ret; 680 681 if (low_power && adev->num_lp_paths) 682 return avs_resume_standby(adev); 683 684 snd_hdac_display_power(bus, HDA_CODEC_IDX_CONTROLLER, true); 685 avs_hdac_bus_init_chip(bus, true); 686 687 snd_hdac_ext_bus_ppcap_enable(bus, true); 688 snd_hdac_ext_bus_ppcap_int_enable(bus, true); 689 690 ret = avs_dsp_boot_firmware(adev, purge); 691 if (ret < 0) { 692 dev_err(adev->dev, "firmware boot failed: %d\n", ret); 693 return ret; 694 } 695 696 return 0; 697 } 698 699 static int __maybe_unused avs_suspend(struct device *dev) 700 { 701 return avs_suspend_common(to_avs_dev(dev), true); 702 } 703 704 static int __maybe_unused avs_resume(struct device *dev) 705 { 706 return avs_resume_common(to_avs_dev(dev), true, true); 707 } 708 709 static int __maybe_unused avs_runtime_suspend(struct device *dev) 710 { 711 return avs_suspend_common(to_avs_dev(dev), true); 712 } 713 714 static int __maybe_unused avs_runtime_resume(struct device *dev) 715 { 716 return avs_resume_common(to_avs_dev(dev), true, false); 717 } 718 719 static int __maybe_unused avs_freeze(struct device *dev) 720 { 721 return avs_suspend_common(to_avs_dev(dev), false); 722 } 723 static int __maybe_unused avs_thaw(struct device *dev) 724 { 725 return avs_resume_common(to_avs_dev(dev), false, true); 726 } 727 728 static int __maybe_unused avs_poweroff(struct device *dev) 729 { 730 return avs_suspend_common(to_avs_dev(dev), false); 731 } 732 733 static int __maybe_unused avs_restore(struct device *dev) 734 { 735 return avs_resume_common(to_avs_dev(dev), false, true); 736 } 737 738 static const struct dev_pm_ops avs_dev_pm = { 739 .suspend = avs_suspend, 740 .resume = avs_resume, 741 .freeze = avs_freeze, 742 .thaw = avs_thaw, 743 .poweroff = avs_poweroff, 744 .restore = avs_restore, 745 SET_RUNTIME_PM_OPS(avs_runtime_suspend, avs_runtime_resume, NULL) 746 }; 747 748 static const struct avs_sram_spec skl_sram_spec = { 749 .base_offset = SKL_ADSP_SRAM_BASE_OFFSET, 750 .window_size = SKL_ADSP_SRAM_WINDOW_SIZE, 751 .rom_status_offset = SKL_ADSP_SRAM_BASE_OFFSET, 752 }; 753 754 static const struct avs_sram_spec apl_sram_spec = { 755 .base_offset = APL_ADSP_SRAM_BASE_OFFSET, 756 .window_size = APL_ADSP_SRAM_WINDOW_SIZE, 757 .rom_status_offset = APL_ADSP_SRAM_BASE_OFFSET, 758 }; 759 760 static const struct avs_hipc_spec skl_hipc_spec = { 761 .req_offset = SKL_ADSP_REG_HIPCI, 762 .req_ext_offset = SKL_ADSP_REG_HIPCIE, 763 .req_busy_mask = SKL_ADSP_HIPCI_BUSY, 764 .ack_offset = SKL_ADSP_REG_HIPCIE, 765 .ack_done_mask = SKL_ADSP_HIPCIE_DONE, 766 .rsp_offset = SKL_ADSP_REG_HIPCT, 767 .rsp_busy_mask = SKL_ADSP_HIPCT_BUSY, 768 .ctl_offset = SKL_ADSP_REG_HIPCCTL, 769 }; 770 771 static const struct avs_hipc_spec cnl_hipc_spec = { 772 .req_offset = CNL_ADSP_REG_HIPCIDR, 773 .req_ext_offset = CNL_ADSP_REG_HIPCIDD, 774 .req_busy_mask = CNL_ADSP_HIPCIDR_BUSY, 775 .ack_offset = CNL_ADSP_REG_HIPCIDA, 776 .ack_done_mask = CNL_ADSP_HIPCIDA_DONE, 777 .rsp_offset = CNL_ADSP_REG_HIPCTDR, 778 .rsp_busy_mask = CNL_ADSP_HIPCTDR_BUSY, 779 .ctl_offset = CNL_ADSP_REG_HIPCCTL, 780 }; 781 782 static const struct avs_spec skl_desc = { 783 .name = "skl", 784 .min_fw_version = { 9, 21, 0, 4732 }, 785 .dsp_ops = &avs_skl_dsp_ops, 786 .core_init_mask = 1, 787 .attributes = AVS_PLATATTR_CLDMA, 788 .sram = &skl_sram_spec, 789 .hipc = &skl_hipc_spec, 790 }; 791 792 static const struct avs_spec apl_desc = { 793 .name = "apl", 794 .min_fw_version = { 9, 22, 1, 4323 }, 795 .dsp_ops = &avs_apl_dsp_ops, 796 .core_init_mask = 3, 797 .attributes = AVS_PLATATTR_IMR, 798 .sram = &apl_sram_spec, 799 .hipc = &skl_hipc_spec, 800 }; 801 802 static const struct avs_spec cnl_desc = { 803 .name = "cnl", 804 .min_fw_version = { 10, 23, 0, 5314 }, 805 .dsp_ops = &avs_cnl_dsp_ops, 806 .core_init_mask = 1, 807 .attributes = AVS_PLATATTR_IMR, 808 .sram = &apl_sram_spec, 809 .hipc = &cnl_hipc_spec, 810 }; 811 812 static const struct avs_spec icl_desc = { 813 .name = "icl", 814 .min_fw_version = { 10, 23, 0, 5040 }, 815 .dsp_ops = &avs_icl_dsp_ops, 816 .core_init_mask = 1, 817 .attributes = AVS_PLATATTR_IMR, 818 .sram = &apl_sram_spec, 819 .hipc = &cnl_hipc_spec, 820 }; 821 822 static const struct avs_spec jsl_desc = { 823 .name = "jsl", 824 .min_fw_version = { 10, 26, 0, 5872 }, 825 .dsp_ops = &avs_icl_dsp_ops, 826 .core_init_mask = 1, 827 .attributes = AVS_PLATATTR_IMR, 828 .sram = &apl_sram_spec, 829 .hipc = &cnl_hipc_spec, 830 }; 831 832 #define AVS_TGL_BASED_SPEC(sname) \ 833 static const struct avs_spec sname##_desc = { \ 834 .name = #sname, \ 835 .min_fw_version = { 10, 29, 0, 5646 }, \ 836 .dsp_ops = &avs_tgl_dsp_ops, \ 837 .core_init_mask = 1, \ 838 .attributes = AVS_PLATATTR_IMR, \ 839 .sram = &apl_sram_spec, \ 840 .hipc = &cnl_hipc_spec, \ 841 } 842 843 AVS_TGL_BASED_SPEC(lkf); 844 AVS_TGL_BASED_SPEC(tgl); 845 AVS_TGL_BASED_SPEC(ehl); 846 AVS_TGL_BASED_SPEC(adl); 847 AVS_TGL_BASED_SPEC(adl_n); 848 849 static const struct pci_device_id avs_ids[] = { 850 { PCI_DEVICE_DATA(INTEL, HDA_SKL_LP, &skl_desc) }, 851 { PCI_DEVICE_DATA(INTEL, HDA_SKL, &skl_desc) }, 852 { PCI_DEVICE_DATA(INTEL, HDA_KBL_LP, &skl_desc) }, 853 { PCI_DEVICE_DATA(INTEL, HDA_KBL, &skl_desc) }, 854 { PCI_DEVICE_DATA(INTEL, HDA_KBL_H, &skl_desc) }, 855 { PCI_DEVICE_DATA(INTEL, HDA_CML_S, &skl_desc) }, 856 { PCI_DEVICE_DATA(INTEL, HDA_APL, &apl_desc) }, 857 { PCI_DEVICE_DATA(INTEL, HDA_GML, &apl_desc) }, 858 { PCI_DEVICE_DATA(INTEL, HDA_CNL_LP, &cnl_desc) }, 859 { PCI_DEVICE_DATA(INTEL, HDA_CNL_H, &cnl_desc) }, 860 { PCI_DEVICE_DATA(INTEL, HDA_CML_LP, &cnl_desc) }, 861 { PCI_DEVICE_DATA(INTEL, HDA_CML_H, &cnl_desc) }, 862 { PCI_DEVICE_DATA(INTEL, HDA_RKL_S, &cnl_desc) }, 863 { PCI_DEVICE_DATA(INTEL, HDA_ICL_LP, &icl_desc) }, 864 { PCI_DEVICE_DATA(INTEL, HDA_ICL_N, &icl_desc) }, 865 { PCI_DEVICE_DATA(INTEL, HDA_ICL_H, &icl_desc) }, 866 { PCI_DEVICE_DATA(INTEL, HDA_JSL_N, &jsl_desc) }, 867 { PCI_DEVICE_DATA(INTEL, HDA_LKF, &lkf_desc) }, 868 { PCI_DEVICE_DATA(INTEL, HDA_TGL_LP, &tgl_desc) }, 869 { PCI_DEVICE_DATA(INTEL, HDA_TGL_H, &tgl_desc) }, 870 { PCI_DEVICE_DATA(INTEL, HDA_CML_R, &tgl_desc) }, 871 { PCI_DEVICE_DATA(INTEL, HDA_EHL_0, &ehl_desc) }, 872 { PCI_DEVICE_DATA(INTEL, HDA_EHL_3, &ehl_desc) }, 873 { PCI_DEVICE_DATA(INTEL, HDA_ADL_S, &adl_desc) }, 874 { PCI_DEVICE_DATA(INTEL, HDA_ADL_P, &adl_desc) }, 875 { PCI_DEVICE_DATA(INTEL, HDA_ADL_PS, &adl_desc) }, 876 { PCI_DEVICE_DATA(INTEL, HDA_ADL_M, &adl_desc) }, 877 { PCI_DEVICE_DATA(INTEL, HDA_ADL_PX, &adl_desc) }, 878 { PCI_DEVICE_DATA(INTEL, HDA_ADL_N, &adl_n_desc) }, 879 { PCI_DEVICE_DATA(INTEL, HDA_RPL_S, &adl_desc) }, 880 { PCI_DEVICE_DATA(INTEL, HDA_RPL_P_0, &adl_desc) }, 881 { PCI_DEVICE_DATA(INTEL, HDA_RPL_P_1, &adl_desc) }, 882 { PCI_DEVICE_DATA(INTEL, HDA_RPL_M, &adl_desc) }, 883 { PCI_DEVICE_DATA(INTEL, HDA_RPL_PX, &adl_desc) }, 884 { 0 } 885 }; 886 MODULE_DEVICE_TABLE(pci, avs_ids); 887 888 static struct pci_driver avs_pci_driver = { 889 .name = KBUILD_MODNAME, 890 .id_table = avs_ids, 891 .probe = avs_pci_probe, 892 .remove = avs_pci_remove, 893 .shutdown = avs_pci_shutdown, 894 .dev_groups = avs_attr_groups, 895 .driver = { 896 .pm = &avs_dev_pm, 897 }, 898 }; 899 module_pci_driver(avs_pci_driver); 900 901 MODULE_AUTHOR("Cezary Rojewski <cezary.rojewski@intel.com>"); 902 MODULE_AUTHOR("Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>"); 903 MODULE_DESCRIPTION("Intel cAVS sound driver"); 904 MODULE_LICENSE("GPL"); 905