1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2020-2023 Intel Corporation 4 */ 5 6 #include <linux/firmware.h> 7 #include <linux/module.h> 8 #include <linux/pci.h> 9 10 #include <drm/drm_accel.h> 11 #include <drm/drm_file.h> 12 #include <drm/drm_gem.h> 13 #include <drm/drm_ioctl.h> 14 #include <drm/drm_prime.h> 15 16 #include "vpu_boot_api.h" 17 #include "ivpu_debugfs.h" 18 #include "ivpu_drv.h" 19 #include "ivpu_fw.h" 20 #include "ivpu_gem.h" 21 #include "ivpu_hw.h" 22 #include "ivpu_ipc.h" 23 #include "ivpu_job.h" 24 #include "ivpu_jsm_msg.h" 25 #include "ivpu_mmu.h" 26 #include "ivpu_mmu_context.h" 27 #include "ivpu_pm.h" 28 29 #ifndef DRIVER_VERSION_STR 30 #define DRIVER_VERSION_STR __stringify(DRM_IVPU_DRIVER_MAJOR) "." \ 31 __stringify(DRM_IVPU_DRIVER_MINOR) "." 32 #endif 33 34 static const struct drm_driver driver; 35 36 static struct lock_class_key submitted_jobs_xa_lock_class_key; 37 38 int ivpu_dbg_mask; 39 module_param_named(dbg_mask, ivpu_dbg_mask, int, 0644); 40 MODULE_PARM_DESC(dbg_mask, "Driver debug mask. See IVPU_DBG_* macros."); 41 42 int ivpu_test_mode; 43 module_param_named_unsafe(test_mode, ivpu_test_mode, int, 0644); 44 MODULE_PARM_DESC(test_mode, "Test mode: 0 - normal operation, 1 - fw unit test, 2 - null hw"); 45 46 u8 ivpu_pll_min_ratio; 47 module_param_named(pll_min_ratio, ivpu_pll_min_ratio, byte, 0644); 48 MODULE_PARM_DESC(pll_min_ratio, "Minimum PLL ratio used to set VPU frequency"); 49 50 u8 ivpu_pll_max_ratio = U8_MAX; 51 module_param_named(pll_max_ratio, ivpu_pll_max_ratio, byte, 0644); 52 MODULE_PARM_DESC(pll_max_ratio, "Maximum PLL ratio used to set VPU frequency"); 53 54 bool ivpu_disable_mmu_cont_pages; 55 module_param_named(disable_mmu_cont_pages, ivpu_disable_mmu_cont_pages, bool, 0644); 56 MODULE_PARM_DESC(disable_mmu_cont_pages, "Disable MMU contiguous pages optimization"); 57 58 struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv) 59 { 60 struct ivpu_device *vdev = file_priv->vdev; 61 62 kref_get(&file_priv->ref); 63 64 ivpu_dbg(vdev, KREF, "file_priv get: ctx %u refcount %u\n", 65 file_priv->ctx.id, kref_read(&file_priv->ref)); 66 67 return file_priv; 68 } 69 70 struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id) 71 { 72 struct ivpu_file_priv *file_priv; 73 74 xa_lock_irq(&vdev->context_xa); 75 file_priv = xa_load(&vdev->context_xa, id); 76 /* file_priv may still be in context_xa during file_priv_release() */ 77 if (file_priv && !kref_get_unless_zero(&file_priv->ref)) 78 file_priv = NULL; 79 xa_unlock_irq(&vdev->context_xa); 80 81 if (file_priv) 82 ivpu_dbg(vdev, KREF, "file_priv get by id: ctx %u refcount %u\n", 83 file_priv->ctx.id, kref_read(&file_priv->ref)); 84 85 return file_priv; 86 } 87 88 static void file_priv_release(struct kref *ref) 89 { 90 struct ivpu_file_priv *file_priv = container_of(ref, struct ivpu_file_priv, ref); 91 struct ivpu_device *vdev = file_priv->vdev; 92 93 ivpu_dbg(vdev, FILE, "file_priv release: ctx %u\n", file_priv->ctx.id); 94 95 ivpu_cmdq_release_all(file_priv); 96 ivpu_bo_remove_all_bos_from_context(&file_priv->ctx); 97 ivpu_jsm_context_release(vdev, file_priv->ctx.id); 98 ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); 99 drm_WARN_ON(&vdev->drm, xa_erase_irq(&vdev->context_xa, file_priv->ctx.id) != file_priv); 100 mutex_destroy(&file_priv->lock); 101 kfree(file_priv); 102 } 103 104 void ivpu_file_priv_put(struct ivpu_file_priv **link) 105 { 106 struct ivpu_file_priv *file_priv = *link; 107 struct ivpu_device *vdev = file_priv->vdev; 108 109 drm_WARN_ON(&vdev->drm, !file_priv); 110 111 ivpu_dbg(vdev, KREF, "file_priv put: ctx %u refcount %u\n", 112 file_priv->ctx.id, kref_read(&file_priv->ref)); 113 114 *link = NULL; 115 kref_put(&file_priv->ref, file_priv_release); 116 } 117 118 static int ivpu_get_capabilities(struct ivpu_device *vdev, struct drm_ivpu_param *args) 119 { 120 switch (args->index) { 121 case DRM_IVPU_CAP_METRIC_STREAMER: 122 args->value = 0; 123 break; 124 case DRM_IVPU_CAP_DMA_MEMORY_RANGE: 125 args->value = 1; 126 break; 127 default: 128 return -EINVAL; 129 } 130 131 return 0; 132 } 133 134 static int ivpu_get_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) 135 { 136 struct ivpu_file_priv *file_priv = file->driver_priv; 137 struct ivpu_device *vdev = file_priv->vdev; 138 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 139 struct drm_ivpu_param *args = data; 140 int ret = 0; 141 int idx; 142 143 if (!drm_dev_enter(dev, &idx)) 144 return -ENODEV; 145 146 switch (args->param) { 147 case DRM_IVPU_PARAM_DEVICE_ID: 148 args->value = pdev->device; 149 break; 150 case DRM_IVPU_PARAM_DEVICE_REVISION: 151 args->value = pdev->revision; 152 break; 153 case DRM_IVPU_PARAM_PLATFORM_TYPE: 154 args->value = vdev->platform; 155 break; 156 case DRM_IVPU_PARAM_CORE_CLOCK_RATE: 157 args->value = ivpu_hw_reg_pll_freq_get(vdev); 158 break; 159 case DRM_IVPU_PARAM_NUM_CONTEXTS: 160 args->value = ivpu_get_context_count(vdev); 161 break; 162 case DRM_IVPU_PARAM_CONTEXT_BASE_ADDRESS: 163 args->value = vdev->hw->ranges.user.start; 164 break; 165 case DRM_IVPU_PARAM_CONTEXT_PRIORITY: 166 args->value = file_priv->priority; 167 break; 168 case DRM_IVPU_PARAM_CONTEXT_ID: 169 args->value = file_priv->ctx.id; 170 break; 171 case DRM_IVPU_PARAM_FW_API_VERSION: 172 if (args->index < VPU_FW_API_VER_NUM) { 173 struct vpu_firmware_header *fw_hdr; 174 175 fw_hdr = (struct vpu_firmware_header *)vdev->fw->file->data; 176 args->value = fw_hdr->api_version[args->index]; 177 } else { 178 ret = -EINVAL; 179 } 180 break; 181 case DRM_IVPU_PARAM_ENGINE_HEARTBEAT: 182 ret = ivpu_jsm_get_heartbeat(vdev, args->index, &args->value); 183 break; 184 case DRM_IVPU_PARAM_UNIQUE_INFERENCE_ID: 185 args->value = (u64)atomic64_inc_return(&vdev->unique_id_counter); 186 break; 187 case DRM_IVPU_PARAM_TILE_CONFIG: 188 args->value = vdev->hw->tile_fuse; 189 break; 190 case DRM_IVPU_PARAM_SKU: 191 args->value = vdev->hw->sku; 192 break; 193 case DRM_IVPU_PARAM_CAPABILITIES: 194 ret = ivpu_get_capabilities(vdev, args); 195 break; 196 default: 197 ret = -EINVAL; 198 break; 199 } 200 201 drm_dev_exit(idx); 202 return ret; 203 } 204 205 static int ivpu_set_param_ioctl(struct drm_device *dev, void *data, struct drm_file *file) 206 { 207 struct ivpu_file_priv *file_priv = file->driver_priv; 208 struct drm_ivpu_param *args = data; 209 int ret = 0; 210 211 switch (args->param) { 212 case DRM_IVPU_PARAM_CONTEXT_PRIORITY: 213 if (args->value <= DRM_IVPU_CONTEXT_PRIORITY_REALTIME) 214 file_priv->priority = args->value; 215 else 216 ret = -EINVAL; 217 break; 218 default: 219 ret = -EINVAL; 220 } 221 222 return ret; 223 } 224 225 static int ivpu_open(struct drm_device *dev, struct drm_file *file) 226 { 227 struct ivpu_device *vdev = to_ivpu_device(dev); 228 struct ivpu_file_priv *file_priv; 229 u32 ctx_id; 230 void *old; 231 int ret; 232 233 ret = xa_alloc_irq(&vdev->context_xa, &ctx_id, NULL, vdev->context_xa_limit, GFP_KERNEL); 234 if (ret) { 235 ivpu_err(vdev, "Failed to allocate context id: %d\n", ret); 236 return ret; 237 } 238 239 file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); 240 if (!file_priv) { 241 ret = -ENOMEM; 242 goto err_xa_erase; 243 } 244 245 file_priv->vdev = vdev; 246 file_priv->priority = DRM_IVPU_CONTEXT_PRIORITY_NORMAL; 247 kref_init(&file_priv->ref); 248 mutex_init(&file_priv->lock); 249 250 ret = ivpu_mmu_user_context_init(vdev, &file_priv->ctx, ctx_id); 251 if (ret) 252 goto err_mutex_destroy; 253 254 old = xa_store_irq(&vdev->context_xa, ctx_id, file_priv, GFP_KERNEL); 255 if (xa_is_err(old)) { 256 ret = xa_err(old); 257 ivpu_err(vdev, "Failed to store context %u: %d\n", ctx_id, ret); 258 goto err_ctx_fini; 259 } 260 261 ivpu_dbg(vdev, FILE, "file_priv create: ctx %u process %s pid %d\n", 262 ctx_id, current->comm, task_pid_nr(current)); 263 264 file->driver_priv = file_priv; 265 return 0; 266 267 err_ctx_fini: 268 ivpu_mmu_user_context_fini(vdev, &file_priv->ctx); 269 err_mutex_destroy: 270 mutex_destroy(&file_priv->lock); 271 kfree(file_priv); 272 err_xa_erase: 273 xa_erase_irq(&vdev->context_xa, ctx_id); 274 return ret; 275 } 276 277 static void ivpu_postclose(struct drm_device *dev, struct drm_file *file) 278 { 279 struct ivpu_file_priv *file_priv = file->driver_priv; 280 struct ivpu_device *vdev = to_ivpu_device(dev); 281 282 ivpu_dbg(vdev, FILE, "file_priv close: ctx %u process %s pid %d\n", 283 file_priv->ctx.id, current->comm, task_pid_nr(current)); 284 285 ivpu_file_priv_put(&file_priv); 286 } 287 288 static const struct drm_ioctl_desc ivpu_drm_ioctls[] = { 289 DRM_IOCTL_DEF_DRV(IVPU_GET_PARAM, ivpu_get_param_ioctl, 0), 290 DRM_IOCTL_DEF_DRV(IVPU_SET_PARAM, ivpu_set_param_ioctl, 0), 291 DRM_IOCTL_DEF_DRV(IVPU_BO_CREATE, ivpu_bo_create_ioctl, 0), 292 DRM_IOCTL_DEF_DRV(IVPU_BO_INFO, ivpu_bo_info_ioctl, 0), 293 DRM_IOCTL_DEF_DRV(IVPU_SUBMIT, ivpu_submit_ioctl, 0), 294 DRM_IOCTL_DEF_DRV(IVPU_BO_WAIT, ivpu_bo_wait_ioctl, 0), 295 }; 296 297 static int ivpu_wait_for_ready(struct ivpu_device *vdev) 298 { 299 struct ivpu_ipc_consumer cons; 300 struct ivpu_ipc_hdr ipc_hdr; 301 unsigned long timeout; 302 int ret; 303 304 if (ivpu_test_mode == IVPU_TEST_MODE_FW_TEST) 305 return 0; 306 307 ivpu_ipc_consumer_add(vdev, &cons, IVPU_IPC_CHAN_BOOT_MSG); 308 309 timeout = jiffies + msecs_to_jiffies(vdev->timeout.boot); 310 while (1) { 311 ret = ivpu_ipc_irq_handler(vdev); 312 if (ret) 313 break; 314 ret = ivpu_ipc_receive(vdev, &cons, &ipc_hdr, NULL, 0); 315 if (ret != -ETIMEDOUT || time_after_eq(jiffies, timeout)) 316 break; 317 318 cond_resched(); 319 } 320 321 ivpu_ipc_consumer_del(vdev, &cons); 322 323 if (!ret && ipc_hdr.data_addr != IVPU_IPC_BOOT_MSG_DATA_ADDR) { 324 ivpu_err(vdev, "Invalid VPU ready message: 0x%x\n", 325 ipc_hdr.data_addr); 326 return -EIO; 327 } 328 329 if (!ret) 330 ivpu_dbg(vdev, PM, "VPU ready message received successfully\n"); 331 else 332 ivpu_hw_diagnose_failure(vdev); 333 334 return ret; 335 } 336 337 /** 338 * ivpu_boot() - Start VPU firmware 339 * @vdev: VPU device 340 * 341 * This function is paired with ivpu_shutdown() but it doesn't power up the 342 * VPU because power up has to be called very early in ivpu_probe(). 343 */ 344 int ivpu_boot(struct ivpu_device *vdev) 345 { 346 int ret; 347 348 /* Update boot params located at first 4KB of FW memory */ 349 ivpu_fw_boot_params_setup(vdev, vdev->fw->mem->kvaddr); 350 351 ret = ivpu_hw_boot_fw(vdev); 352 if (ret) { 353 ivpu_err(vdev, "Failed to start the firmware: %d\n", ret); 354 return ret; 355 } 356 357 ret = ivpu_wait_for_ready(vdev); 358 if (ret) { 359 ivpu_err(vdev, "Failed to boot the firmware: %d\n", ret); 360 return ret; 361 } 362 363 ivpu_hw_irq_clear(vdev); 364 enable_irq(vdev->irq); 365 ivpu_hw_irq_enable(vdev); 366 ivpu_ipc_enable(vdev); 367 return 0; 368 } 369 370 void ivpu_prepare_for_reset(struct ivpu_device *vdev) 371 { 372 ivpu_hw_irq_disable(vdev); 373 disable_irq(vdev->irq); 374 ivpu_ipc_disable(vdev); 375 ivpu_mmu_disable(vdev); 376 } 377 378 int ivpu_shutdown(struct ivpu_device *vdev) 379 { 380 int ret; 381 382 ivpu_prepare_for_reset(vdev); 383 384 ret = ivpu_hw_power_down(vdev); 385 if (ret) 386 ivpu_warn(vdev, "Failed to power down HW: %d\n", ret); 387 388 return ret; 389 } 390 391 static const struct file_operations ivpu_fops = { 392 .owner = THIS_MODULE, 393 DRM_ACCEL_FOPS, 394 }; 395 396 static const struct drm_driver driver = { 397 .driver_features = DRIVER_GEM | DRIVER_COMPUTE_ACCEL, 398 399 .open = ivpu_open, 400 .postclose = ivpu_postclose, 401 .gem_prime_import = ivpu_gem_prime_import, 402 403 #if defined(CONFIG_DEBUG_FS) 404 .debugfs_init = ivpu_debugfs_init, 405 #endif 406 407 .ioctls = ivpu_drm_ioctls, 408 .num_ioctls = ARRAY_SIZE(ivpu_drm_ioctls), 409 .fops = &ivpu_fops, 410 411 .name = DRIVER_NAME, 412 .desc = DRIVER_DESC, 413 .date = DRIVER_DATE, 414 .major = DRM_IVPU_DRIVER_MAJOR, 415 .minor = DRM_IVPU_DRIVER_MINOR, 416 }; 417 418 static int ivpu_irq_init(struct ivpu_device *vdev) 419 { 420 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 421 int ret; 422 423 ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX); 424 if (ret < 0) { 425 ivpu_err(vdev, "Failed to allocate a MSI IRQ: %d\n", ret); 426 return ret; 427 } 428 429 vdev->irq = pci_irq_vector(pdev, 0); 430 431 ret = devm_request_irq(vdev->drm.dev, vdev->irq, vdev->hw->ops->irq_handler, 432 IRQF_NO_AUTOEN, DRIVER_NAME, vdev); 433 if (ret) 434 ivpu_err(vdev, "Failed to request an IRQ %d\n", ret); 435 436 return ret; 437 } 438 439 static int ivpu_pci_init(struct ivpu_device *vdev) 440 { 441 struct pci_dev *pdev = to_pci_dev(vdev->drm.dev); 442 struct resource *bar0 = &pdev->resource[0]; 443 struct resource *bar4 = &pdev->resource[4]; 444 int ret; 445 446 ivpu_dbg(vdev, MISC, "Mapping BAR0 (RegV) %pR\n", bar0); 447 vdev->regv = devm_ioremap_resource(vdev->drm.dev, bar0); 448 if (IS_ERR(vdev->regv)) { 449 ivpu_err(vdev, "Failed to map bar 0: %pe\n", vdev->regv); 450 return PTR_ERR(vdev->regv); 451 } 452 453 ivpu_dbg(vdev, MISC, "Mapping BAR4 (RegB) %pR\n", bar4); 454 vdev->regb = devm_ioremap_resource(vdev->drm.dev, bar4); 455 if (IS_ERR(vdev->regb)) { 456 ivpu_err(vdev, "Failed to map bar 4: %pe\n", vdev->regb); 457 return PTR_ERR(vdev->regb); 458 } 459 460 ret = dma_set_mask_and_coherent(vdev->drm.dev, DMA_BIT_MASK(vdev->hw->dma_bits)); 461 if (ret) { 462 ivpu_err(vdev, "Failed to set DMA mask: %d\n", ret); 463 return ret; 464 } 465 dma_set_max_seg_size(vdev->drm.dev, UINT_MAX); 466 467 /* Clear any pending errors */ 468 pcie_capability_clear_word(pdev, PCI_EXP_DEVSTA, 0x3f); 469 470 /* NPU does not require 10m D3hot delay */ 471 pdev->d3hot_delay = 0; 472 473 ret = pcim_enable_device(pdev); 474 if (ret) { 475 ivpu_err(vdev, "Failed to enable PCI device: %d\n", ret); 476 return ret; 477 } 478 479 pci_set_master(pdev); 480 481 return 0; 482 } 483 484 static int ivpu_dev_init(struct ivpu_device *vdev) 485 { 486 int ret; 487 488 vdev->hw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->hw), GFP_KERNEL); 489 if (!vdev->hw) 490 return -ENOMEM; 491 492 vdev->mmu = drmm_kzalloc(&vdev->drm, sizeof(*vdev->mmu), GFP_KERNEL); 493 if (!vdev->mmu) 494 return -ENOMEM; 495 496 vdev->fw = drmm_kzalloc(&vdev->drm, sizeof(*vdev->fw), GFP_KERNEL); 497 if (!vdev->fw) 498 return -ENOMEM; 499 500 vdev->ipc = drmm_kzalloc(&vdev->drm, sizeof(*vdev->ipc), GFP_KERNEL); 501 if (!vdev->ipc) 502 return -ENOMEM; 503 504 vdev->pm = drmm_kzalloc(&vdev->drm, sizeof(*vdev->pm), GFP_KERNEL); 505 if (!vdev->pm) 506 return -ENOMEM; 507 508 if (ivpu_hw_gen(vdev) >= IVPU_HW_40XX) { 509 vdev->hw->ops = &ivpu_hw_40xx_ops; 510 vdev->hw->dma_bits = 48; 511 } else { 512 vdev->hw->ops = &ivpu_hw_37xx_ops; 513 vdev->hw->dma_bits = 38; 514 } 515 516 vdev->platform = IVPU_PLATFORM_INVALID; 517 vdev->context_xa_limit.min = IVPU_USER_CONTEXT_MIN_SSID; 518 vdev->context_xa_limit.max = IVPU_USER_CONTEXT_MAX_SSID; 519 atomic64_set(&vdev->unique_id_counter, 0); 520 xa_init_flags(&vdev->context_xa, XA_FLAGS_ALLOC | XA_FLAGS_LOCK_IRQ); 521 xa_init_flags(&vdev->submitted_jobs_xa, XA_FLAGS_ALLOC1); 522 lockdep_set_class(&vdev->submitted_jobs_xa.xa_lock, &submitted_jobs_xa_lock_class_key); 523 524 ret = ivpu_pci_init(vdev); 525 if (ret) { 526 ivpu_err(vdev, "Failed to initialize PCI device: %d\n", ret); 527 goto err_xa_destroy; 528 } 529 530 ret = ivpu_irq_init(vdev); 531 if (ret) { 532 ivpu_err(vdev, "Failed to initialize IRQs: %d\n", ret); 533 goto err_xa_destroy; 534 } 535 536 /* Init basic HW info based on buttress registers which are accessible before power up */ 537 ret = ivpu_hw_info_init(vdev); 538 if (ret) { 539 ivpu_err(vdev, "Failed to initialize HW info: %d\n", ret); 540 goto err_xa_destroy; 541 } 542 543 /* Power up early so the rest of init code can access VPU registers */ 544 ret = ivpu_hw_power_up(vdev); 545 if (ret) { 546 ivpu_err(vdev, "Failed to power up HW: %d\n", ret); 547 goto err_xa_destroy; 548 } 549 550 ret = ivpu_mmu_global_context_init(vdev); 551 if (ret) { 552 ivpu_err(vdev, "Failed to initialize global MMU context: %d\n", ret); 553 goto err_power_down; 554 } 555 556 ret = ivpu_mmu_init(vdev); 557 if (ret) { 558 ivpu_err(vdev, "Failed to initialize MMU device: %d\n", ret); 559 goto err_mmu_gctx_fini; 560 } 561 562 ret = ivpu_fw_init(vdev); 563 if (ret) { 564 ivpu_err(vdev, "Failed to initialize firmware: %d\n", ret); 565 goto err_mmu_gctx_fini; 566 } 567 568 ret = ivpu_ipc_init(vdev); 569 if (ret) { 570 ivpu_err(vdev, "Failed to initialize IPC: %d\n", ret); 571 goto err_fw_fini; 572 } 573 574 ret = ivpu_pm_init(vdev); 575 if (ret) { 576 ivpu_err(vdev, "Failed to initialize PM: %d\n", ret); 577 goto err_ipc_fini; 578 } 579 580 ret = ivpu_job_done_thread_init(vdev); 581 if (ret) { 582 ivpu_err(vdev, "Failed to initialize job done thread: %d\n", ret); 583 goto err_ipc_fini; 584 } 585 586 ret = ivpu_fw_load(vdev); 587 if (ret) { 588 ivpu_err(vdev, "Failed to load firmware: %d\n", ret); 589 goto err_job_done_thread_fini; 590 } 591 592 ret = ivpu_boot(vdev); 593 if (ret) { 594 ivpu_err(vdev, "Failed to boot: %d\n", ret); 595 goto err_job_done_thread_fini; 596 } 597 598 ivpu_pm_enable(vdev); 599 600 return 0; 601 602 err_job_done_thread_fini: 603 ivpu_job_done_thread_fini(vdev); 604 err_ipc_fini: 605 ivpu_ipc_fini(vdev); 606 err_fw_fini: 607 ivpu_fw_fini(vdev); 608 err_mmu_gctx_fini: 609 ivpu_mmu_global_context_fini(vdev); 610 err_power_down: 611 ivpu_hw_power_down(vdev); 612 if (IVPU_WA(d3hot_after_power_off)) 613 pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot); 614 err_xa_destroy: 615 xa_destroy(&vdev->submitted_jobs_xa); 616 xa_destroy(&vdev->context_xa); 617 return ret; 618 } 619 620 static void ivpu_dev_fini(struct ivpu_device *vdev) 621 { 622 ivpu_pm_disable(vdev); 623 ivpu_shutdown(vdev); 624 if (IVPU_WA(d3hot_after_power_off)) 625 pci_set_power_state(to_pci_dev(vdev->drm.dev), PCI_D3hot); 626 ivpu_job_done_thread_fini(vdev); 627 ivpu_pm_cancel_recovery(vdev); 628 629 ivpu_ipc_fini(vdev); 630 ivpu_fw_fini(vdev); 631 ivpu_mmu_global_context_fini(vdev); 632 633 drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->submitted_jobs_xa)); 634 xa_destroy(&vdev->submitted_jobs_xa); 635 drm_WARN_ON(&vdev->drm, !xa_empty(&vdev->context_xa)); 636 xa_destroy(&vdev->context_xa); 637 } 638 639 static struct pci_device_id ivpu_pci_ids[] = { 640 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_MTL) }, 641 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_ARL) }, 642 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_LNL) }, 643 { } 644 }; 645 MODULE_DEVICE_TABLE(pci, ivpu_pci_ids); 646 647 static int ivpu_probe(struct pci_dev *pdev, const struct pci_device_id *id) 648 { 649 struct ivpu_device *vdev; 650 int ret; 651 652 vdev = devm_drm_dev_alloc(&pdev->dev, &driver, struct ivpu_device, drm); 653 if (IS_ERR(vdev)) 654 return PTR_ERR(vdev); 655 656 pci_set_drvdata(pdev, vdev); 657 658 ret = ivpu_dev_init(vdev); 659 if (ret) { 660 dev_err(&pdev->dev, "Failed to initialize VPU device: %d\n", ret); 661 return ret; 662 } 663 664 ret = drm_dev_register(&vdev->drm, 0); 665 if (ret) { 666 dev_err(&pdev->dev, "Failed to register DRM device: %d\n", ret); 667 ivpu_dev_fini(vdev); 668 } 669 670 return ret; 671 } 672 673 static void ivpu_remove(struct pci_dev *pdev) 674 { 675 struct ivpu_device *vdev = pci_get_drvdata(pdev); 676 677 drm_dev_unplug(&vdev->drm); 678 ivpu_dev_fini(vdev); 679 } 680 681 static const struct dev_pm_ops ivpu_drv_pci_pm = { 682 SET_SYSTEM_SLEEP_PM_OPS(ivpu_pm_suspend_cb, ivpu_pm_resume_cb) 683 SET_RUNTIME_PM_OPS(ivpu_pm_runtime_suspend_cb, ivpu_pm_runtime_resume_cb, NULL) 684 }; 685 686 static const struct pci_error_handlers ivpu_drv_pci_err = { 687 .reset_prepare = ivpu_pm_reset_prepare_cb, 688 .reset_done = ivpu_pm_reset_done_cb, 689 }; 690 691 static struct pci_driver ivpu_pci_driver = { 692 .name = KBUILD_MODNAME, 693 .id_table = ivpu_pci_ids, 694 .probe = ivpu_probe, 695 .remove = ivpu_remove, 696 .driver = { 697 .pm = &ivpu_drv_pci_pm, 698 }, 699 .err_handler = &ivpu_drv_pci_err, 700 }; 701 702 module_pci_driver(ivpu_pci_driver); 703 704 MODULE_AUTHOR("Intel Corporation"); 705 MODULE_DESCRIPTION(DRIVER_DESC); 706 MODULE_LICENSE("GPL and additional rights"); 707 MODULE_VERSION(DRIVER_VERSION_STR); 708