1 /************************************************************************** 2 * Copyright (c) 2007-2011, Intel Corporation. 3 * All Rights Reserved. 4 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA. 5 * All Rights Reserved. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 19 * 20 **************************************************************************/ 21 22 #include <drm/drmP.h> 23 #include <drm/drm.h> 24 #include "psb_drv.h" 25 #include "framebuffer.h" 26 #include "psb_reg.h" 27 #include "psb_intel_reg.h" 28 #include "intel_bios.h" 29 #include "mid_bios.h" 30 #include <drm/drm_pciids.h> 31 #include "power.h" 32 #include <linux/cpu.h> 33 #include <linux/notifier.h> 34 #include <linux/spinlock.h> 35 #include <linux/pm_runtime.h> 36 #include <acpi/video.h> 37 #include <linux/module.h> 38 #include <asm/set_memory.h> 39 40 static struct drm_driver driver; 41 static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent); 42 43 /* 44 * The table below contains a mapping of the PCI vendor ID and the PCI Device ID 45 * to the different groups of PowerVR 5-series chip designs 46 * 47 * 0x8086 = Intel Corporation 48 * 49 * PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx 50 * PowerVR SGX535 - Moorestown - Intel GMA 600 51 * PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx 52 * PowerVR SGX540 - Medfield - Intel Atom Z2460 53 * PowerVR SGX544MP2 - Medfield - 54 * PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600 55 * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700, 56 * N2800 57 */ 58 static const struct pci_device_id pciidlist[] = { 59 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, 60 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops }, 61 #if defined(CONFIG_DRM_GMA600) 62 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 63 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 64 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 65 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 66 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 67 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 68 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 69 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 70 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops }, 71 #endif 72 #if defined(CONFIG_DRM_MEDFIELD) 73 { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 74 { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 75 { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 76 { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 77 { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 78 { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 79 { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 80 { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops }, 81 #endif 82 #if defined(CONFIG_DRM_GMA3600) 83 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 84 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 85 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 86 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 87 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 88 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 89 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 90 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 91 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 92 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 93 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 94 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 95 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 96 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 97 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 98 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops }, 99 #endif 100 { 0, } 101 }; 102 MODULE_DEVICE_TABLE(pci, pciidlist); 103 104 /* 105 * Standard IOCTLs. 106 */ 107 static const struct drm_ioctl_desc psb_ioctls[] = { 108 }; 109 110 static void psb_driver_lastclose(struct drm_device *dev) 111 { 112 int ret; 113 struct drm_psb_private *dev_priv = dev->dev_private; 114 struct psb_fbdev *fbdev = dev_priv->fbdev; 115 116 ret = drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->psb_fb_helper); 117 if (ret) 118 DRM_DEBUG("failed to restore crtc mode\n"); 119 120 return; 121 } 122 123 static int psb_do_init(struct drm_device *dev) 124 { 125 struct drm_psb_private *dev_priv = dev->dev_private; 126 struct psb_gtt *pg = &dev_priv->gtt; 127 128 uint32_t stolen_gtt; 129 130 if (pg->mmu_gatt_start & 0x0FFFFFFF) { 131 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n"); 132 return -EINVAL; 133 } 134 135 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4; 136 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT; 137 stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages; 138 139 dev_priv->gatt_free_offset = pg->mmu_gatt_start + 140 (stolen_gtt << PAGE_SHIFT) * 1024; 141 142 spin_lock_init(&dev_priv->irqmask_lock); 143 spin_lock_init(&dev_priv->lock_2d); 144 145 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0); 146 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1); 147 PSB_RSGX32(PSB_CR_BIF_BANK1); 148 149 /* Do not bypass any MMU access, let them pagefault instead */ 150 PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK), 151 PSB_CR_BIF_CTRL); 152 PSB_RSGX32(PSB_CR_BIF_CTRL); 153 154 psb_spank(dev_priv); 155 156 /* mmu_gatt ?? */ 157 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); 158 PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); /* Post */ 159 160 return 0; 161 } 162 163 static void psb_driver_unload(struct drm_device *dev) 164 { 165 struct drm_psb_private *dev_priv = dev->dev_private; 166 167 /* TODO: Kill vblank etc here */ 168 169 if (dev_priv) { 170 if (dev_priv->backlight_device) 171 gma_backlight_exit(dev); 172 psb_modeset_cleanup(dev); 173 174 if (dev_priv->ops->chip_teardown) 175 dev_priv->ops->chip_teardown(dev); 176 177 psb_intel_opregion_fini(dev); 178 179 if (dev_priv->pf_pd) { 180 psb_mmu_free_pagedir(dev_priv->pf_pd); 181 dev_priv->pf_pd = NULL; 182 } 183 if (dev_priv->mmu) { 184 struct psb_gtt *pg = &dev_priv->gtt; 185 186 down_read(&pg->sem); 187 psb_mmu_remove_pfn_sequence( 188 psb_mmu_get_default_pd 189 (dev_priv->mmu), 190 pg->mmu_gatt_start, 191 dev_priv->vram_stolen_size >> PAGE_SHIFT); 192 up_read(&pg->sem); 193 psb_mmu_driver_takedown(dev_priv->mmu); 194 dev_priv->mmu = NULL; 195 } 196 psb_gtt_takedown(dev); 197 if (dev_priv->scratch_page) { 198 set_pages_wb(dev_priv->scratch_page, 1); 199 __free_page(dev_priv->scratch_page); 200 dev_priv->scratch_page = NULL; 201 } 202 if (dev_priv->vdc_reg) { 203 iounmap(dev_priv->vdc_reg); 204 dev_priv->vdc_reg = NULL; 205 } 206 if (dev_priv->sgx_reg) { 207 iounmap(dev_priv->sgx_reg); 208 dev_priv->sgx_reg = NULL; 209 } 210 if (dev_priv->aux_reg) { 211 iounmap(dev_priv->aux_reg); 212 dev_priv->aux_reg = NULL; 213 } 214 pci_dev_put(dev_priv->aux_pdev); 215 pci_dev_put(dev_priv->lpc_pdev); 216 217 /* Destroy VBT data */ 218 psb_intel_destroy_bios(dev); 219 220 kfree(dev_priv); 221 dev->dev_private = NULL; 222 } 223 gma_power_uninit(dev); 224 } 225 226 static int psb_driver_load(struct drm_device *dev, unsigned long flags) 227 { 228 struct drm_psb_private *dev_priv; 229 unsigned long resource_start, resource_len; 230 unsigned long irqflags; 231 int ret = -ENOMEM; 232 struct drm_connector *connector; 233 struct gma_encoder *gma_encoder; 234 struct psb_gtt *pg; 235 236 /* allocating and initializing driver private data */ 237 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL); 238 if (dev_priv == NULL) 239 return -ENOMEM; 240 241 dev_priv->ops = (struct psb_ops *)flags; 242 dev_priv->dev = dev; 243 dev->dev_private = (void *) dev_priv; 244 245 pg = &dev_priv->gtt; 246 247 pci_set_master(dev->pdev); 248 249 dev_priv->num_pipe = dev_priv->ops->pipes; 250 251 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE); 252 253 dev_priv->vdc_reg = 254 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE); 255 if (!dev_priv->vdc_reg) 256 goto out_err; 257 258 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset, 259 PSB_SGX_SIZE); 260 if (!dev_priv->sgx_reg) 261 goto out_err; 262 263 if (IS_MRST(dev)) { 264 dev_priv->aux_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(3, 0)); 265 266 if (dev_priv->aux_pdev) { 267 resource_start = pci_resource_start(dev_priv->aux_pdev, 268 PSB_AUX_RESOURCE); 269 resource_len = pci_resource_len(dev_priv->aux_pdev, 270 PSB_AUX_RESOURCE); 271 dev_priv->aux_reg = ioremap_nocache(resource_start, 272 resource_len); 273 if (!dev_priv->aux_reg) 274 goto out_err; 275 276 DRM_DEBUG_KMS("Found aux vdc"); 277 } else { 278 /* Couldn't find the aux vdc so map to primary vdc */ 279 dev_priv->aux_reg = dev_priv->vdc_reg; 280 DRM_DEBUG_KMS("Couldn't find aux pci device"); 281 } 282 dev_priv->gmbus_reg = dev_priv->aux_reg; 283 284 dev_priv->lpc_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(31, 0)); 285 if (dev_priv->lpc_pdev) { 286 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA, 287 &dev_priv->lpc_gpio_base); 288 pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA, 289 (u32)dev_priv->lpc_gpio_base | (1L<<31)); 290 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA, 291 &dev_priv->lpc_gpio_base); 292 dev_priv->lpc_gpio_base &= 0xffc0; 293 if (dev_priv->lpc_gpio_base) 294 DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n", 295 dev_priv->lpc_gpio_base); 296 else { 297 pci_dev_put(dev_priv->lpc_pdev); 298 dev_priv->lpc_pdev = NULL; 299 } 300 } 301 } else { 302 dev_priv->gmbus_reg = dev_priv->vdc_reg; 303 } 304 305 psb_intel_opregion_setup(dev); 306 307 ret = dev_priv->ops->chip_setup(dev); 308 if (ret) 309 goto out_err; 310 311 /* Init OSPM support */ 312 gma_power_init(dev); 313 314 ret = -ENOMEM; 315 316 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO); 317 if (!dev_priv->scratch_page) 318 goto out_err; 319 320 set_pages_uc(dev_priv->scratch_page, 1); 321 322 ret = psb_gtt_init(dev, 0); 323 if (ret) 324 goto out_err; 325 326 dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, 0); 327 if (!dev_priv->mmu) 328 goto out_err; 329 330 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); 331 if (!dev_priv->pf_pd) 332 goto out_err; 333 334 ret = psb_do_init(dev); 335 if (ret) 336 return ret; 337 338 /* Add stolen memory to SGX MMU */ 339 down_read(&pg->sem); 340 ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu), 341 dev_priv->stolen_base >> PAGE_SHIFT, 342 pg->gatt_start, 343 pg->stolen_size >> PAGE_SHIFT, 0); 344 up_read(&pg->sem); 345 346 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0); 347 psb_mmu_set_pd_context(dev_priv->pf_pd, 1); 348 349 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE); 350 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE); 351 352 acpi_video_register(); 353 354 /* Setup vertical blanking handling */ 355 ret = drm_vblank_init(dev, dev_priv->num_pipe); 356 if (ret) 357 goto out_err; 358 359 /* 360 * Install interrupt handlers prior to powering off SGX or else we will 361 * crash. 362 */ 363 dev_priv->vdc_irq_mask = 0; 364 dev_priv->pipestat[0] = 0; 365 dev_priv->pipestat[1] = 0; 366 dev_priv->pipestat[2] = 0; 367 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags); 368 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM); 369 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R); 370 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R); 371 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags); 372 373 drm_irq_install(dev, dev->pdev->irq); 374 375 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */ 376 dev->driver->get_vblank_counter = psb_get_vblank_counter; 377 378 psb_modeset_init(dev); 379 psb_fbdev_init(dev); 380 drm_kms_helper_poll_init(dev); 381 382 /* Only add backlight support if we have LVDS output */ 383 list_for_each_entry(connector, &dev->mode_config.connector_list, 384 head) { 385 gma_encoder = gma_attached_encoder(connector); 386 387 switch (gma_encoder->type) { 388 case INTEL_OUTPUT_LVDS: 389 case INTEL_OUTPUT_MIPI: 390 ret = gma_backlight_init(dev); 391 break; 392 } 393 } 394 395 if (ret) 396 return ret; 397 psb_intel_opregion_enable_asle(dev); 398 #if 0 399 /* Enable runtime pm at last */ 400 pm_runtime_enable(&dev->pdev->dev); 401 pm_runtime_set_active(&dev->pdev->dev); 402 #endif 403 /* Intel drm driver load is done, continue doing pvr load */ 404 return 0; 405 out_err: 406 psb_driver_unload(dev); 407 return ret; 408 } 409 410 static inline void get_brightness(struct backlight_device *bd) 411 { 412 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE 413 if (bd) { 414 bd->props.brightness = bd->ops->get_brightness(bd); 415 backlight_update_status(bd); 416 } 417 #endif 418 } 419 420 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd, 421 unsigned long arg) 422 { 423 struct drm_file *file_priv = filp->private_data; 424 struct drm_device *dev = file_priv->minor->dev; 425 struct drm_psb_private *dev_priv = dev->dev_private; 426 static unsigned int runtime_allowed; 427 428 if (runtime_allowed == 1 && dev_priv->is_lvds_on) { 429 runtime_allowed++; 430 pm_runtime_allow(&dev->pdev->dev); 431 dev_priv->rpm_enabled = 1; 432 } 433 return drm_ioctl(filp, cmd, arg); 434 /* FIXME: do we need to wrap the other side of this */ 435 } 436 437 static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 438 { 439 return drm_get_pci_dev(pdev, ent, &driver); 440 } 441 442 443 static void psb_pci_remove(struct pci_dev *pdev) 444 { 445 struct drm_device *dev = pci_get_drvdata(pdev); 446 drm_put_dev(dev); 447 } 448 449 static const struct dev_pm_ops psb_pm_ops = { 450 .resume = gma_power_resume, 451 .suspend = gma_power_suspend, 452 .thaw = gma_power_thaw, 453 .freeze = gma_power_freeze, 454 .restore = gma_power_restore, 455 .runtime_suspend = psb_runtime_suspend, 456 .runtime_resume = psb_runtime_resume, 457 .runtime_idle = psb_runtime_idle, 458 }; 459 460 static const struct vm_operations_struct psb_gem_vm_ops = { 461 .fault = psb_gem_fault, 462 .open = drm_gem_vm_open, 463 .close = drm_gem_vm_close, 464 }; 465 466 static const struct file_operations psb_gem_fops = { 467 .owner = THIS_MODULE, 468 .open = drm_open, 469 .release = drm_release, 470 .unlocked_ioctl = psb_unlocked_ioctl, 471 .compat_ioctl = drm_compat_ioctl, 472 .mmap = drm_gem_mmap, 473 .poll = drm_poll, 474 .read = drm_read, 475 }; 476 477 static struct drm_driver driver = { 478 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \ 479 DRIVER_MODESET | DRIVER_GEM, 480 .load = psb_driver_load, 481 .unload = psb_driver_unload, 482 .lastclose = psb_driver_lastclose, 483 .set_busid = drm_pci_set_busid, 484 485 .num_ioctls = ARRAY_SIZE(psb_ioctls), 486 .irq_preinstall = psb_irq_preinstall, 487 .irq_postinstall = psb_irq_postinstall, 488 .irq_uninstall = psb_irq_uninstall, 489 .irq_handler = psb_irq_handler, 490 .enable_vblank = psb_enable_vblank, 491 .disable_vblank = psb_disable_vblank, 492 .get_vblank_counter = psb_get_vblank_counter, 493 494 .gem_free_object = psb_gem_free_object, 495 .gem_vm_ops = &psb_gem_vm_ops, 496 497 .dumb_create = psb_gem_dumb_create, 498 .dumb_map_offset = psb_gem_dumb_map_gtt, 499 .dumb_destroy = drm_gem_dumb_destroy, 500 .ioctls = psb_ioctls, 501 .fops = &psb_gem_fops, 502 .name = DRIVER_NAME, 503 .desc = DRIVER_DESC, 504 .date = DRIVER_DATE, 505 .major = DRIVER_MAJOR, 506 .minor = DRIVER_MINOR, 507 .patchlevel = DRIVER_PATCHLEVEL 508 }; 509 510 static struct pci_driver psb_pci_driver = { 511 .name = DRIVER_NAME, 512 .id_table = pciidlist, 513 .probe = psb_pci_probe, 514 .remove = psb_pci_remove, 515 .driver.pm = &psb_pm_ops, 516 }; 517 518 static int __init psb_init(void) 519 { 520 return drm_pci_init(&driver, &psb_pci_driver); 521 } 522 523 static void __exit psb_exit(void) 524 { 525 drm_pci_exit(&driver, &psb_pci_driver); 526 } 527 528 late_initcall(psb_init); 529 module_exit(psb_exit); 530 531 MODULE_AUTHOR(DRIVER_AUTHOR); 532 MODULE_DESCRIPTION(DRIVER_DESC); 533 MODULE_LICENSE(DRIVER_LICENSE); 534