51 static int drm_load(struct drm_device *dev);
52 static void drm_unload(struct drm_device *dev);
186 	struct drm_device *dev;  in drm_attach()  local
191 	dev = device_get_softc(kdev);  in drm_attach()
193 	dev->device = kdev;  in drm_attach()
194 	dev->devnode = make_dev(&drm_cdevsw,  in drm_attach()
200 	dev->devnode->si_drv1 = dev;  in drm_attach()
202 	dev->pci_domain = pci_get_domain(dev->device);  in drm_attach()
203 	dev->pci_bus = pci_get_bus(dev->device);  in drm_attach()
204 	dev->pci_slot = pci_get_slot(dev->device);  in drm_attach()
205 	dev->pci_func = pci_get_function(dev->device);  in drm_attach()
207 	dev->pci_vendor = pci_get_vendor(dev->device);  in drm_attach()
208 	dev->pci_device = pci_get_device(dev->device);  in drm_attach()
210 	if (drm_core_check_feature(dev, DRIVER_HAVE_IRQ)) {  in drm_attach()
212 		    !drm_msi_is_blacklisted(dev->pci_vendor, dev->pci_device)) {  in drm_attach()
213 			msicount = pci_msi_count(dev->device);  in drm_attach()
218 			if (pci_alloc_msi(dev->device, &msicount) == 0) {  in drm_attach()
221 				dev->msi_enabled = 1;  in drm_attach()
222 				dev->irqrid = 1;  in drm_attach()
226 		dev->irqr = bus_alloc_resource_any(dev->device, SYS_RES_IRQ,  in drm_attach()
227 		    &dev->irqrid, RF_SHAREABLE);  in drm_attach()
228 		if (!dev->irqr) {  in drm_attach()
232 		dev->irq = (int) rman_get_start(dev->irqr);  in drm_attach()
235 	mtx_init(&dev->dev_lock, "drmdev", NULL, MTX_DEF);  in drm_attach()
236 	mtx_init(&dev->irq_lock, "drmirq", NULL, MTX_DEF);  in drm_attach()
237 	mtx_init(&dev->vbl_lock, "drmvbl", NULL, MTX_DEF);  in drm_attach()
238 	mtx_init(&dev->drw_lock, "drmdrw", NULL, MTX_DEF);  in drm_attach()
240 	id_entry = drm_find_description(dev->pci_vendor,  in drm_attach()
241 	    dev->pci_device, idlist);  in drm_attach()
242 	dev->id_entry = id_entry;  in drm_attach()
244 	return drm_load(dev);  in drm_attach()
249 	struct drm_device *dev;  in drm_detach()  local
251 	dev = device_get_softc(kdev);  in drm_detach()
253 	drm_unload(dev);  in drm_detach()
255 	if (dev->irqr) {  in drm_detach()
256 		bus_release_resource(dev->device, SYS_RES_IRQ, dev->irqrid,  in drm_detach()
257 		    dev->irqr);  in drm_detach()
259 		if (dev->msi_enabled) {  in drm_detach()
260 			pci_release_msi(dev->device);  in drm_detach()
289 static int drm_firstopen(struct drm_device *dev)  in drm_firstopen()  argument
294 	DRM_SPINLOCK_ASSERT(&dev->dev_lock);  in drm_firstopen()
297 	i = drm_addmap(dev, 0, SAREA_MAX, _DRM_SHM,  in drm_firstopen()
302 	if (dev->driver->firstopen)  in drm_firstopen()
303 		dev->driver->firstopen(dev);  in drm_firstopen()
305 	dev->buf_use = 0;  in drm_firstopen()
307 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA)) {  in drm_firstopen()
308 		i = drm_dma_setup(dev);  in drm_firstopen()
314 		dev->magiclist[i].head = NULL;  in drm_firstopen()
315 		dev->magiclist[i].tail = NULL;  in drm_firstopen()
318 	dev->lock.lock_queue = 0;  in drm_firstopen()
319 	dev->irq_enabled = 0;  in drm_firstopen()
320 	dev->context_flag = 0;  in drm_firstopen()
321 	dev->last_context = 0;  in drm_firstopen()
322 	dev->if_version = 0;  in drm_firstopen()
324 	dev->buf_sigio = NULL;  in drm_firstopen()
331 static int drm_lastclose(struct drm_device *dev)  in drm_lastclose()  argument
337 	DRM_SPINLOCK_ASSERT(&dev->dev_lock);  in drm_lastclose()
341 	if (dev->driver->lastclose != NULL)  in drm_lastclose()
342 		dev->driver->lastclose(dev);  in drm_lastclose()
344 	if (dev->irq_enabled)  in drm_lastclose()
345 		drm_irq_uninstall(dev);  in drm_lastclose()
347 	if (dev->unique) {  in drm_lastclose()
348 		free(dev->unique, DRM_MEM_DRIVER);  in drm_lastclose()
349 		dev->unique = NULL;  in drm_lastclose()
350 		dev->unique_len = 0;  in drm_lastclose()
354 		for (pt = dev->magiclist[i].head; pt; pt = next) {  in drm_lastclose()
358 		dev->magiclist[i].head = dev->magiclist[i].tail = NULL;  in drm_lastclose()
362 	drm_drawable_free_all(dev);  in drm_lastclose()
366 	if (dev->agp) {  in drm_lastclose()
373 		for (entry = dev->agp->memory; entry; entry = nexte) {  in drm_lastclose()
380 		dev->agp->memory = NULL;  in drm_lastclose()
382 		if (dev->agp->acquired)  in drm_lastclose()
383 			drm_agp_release(dev);  in drm_lastclose()
385 		dev->agp->acquired = 0;  in drm_lastclose()
386 		dev->agp->enabled  = 0;  in drm_lastclose()
388 	if (dev->sg != NULL) {  in drm_lastclose()
389 		drm_sg_cleanup(dev->sg);  in drm_lastclose()
390 		dev->sg = NULL;  in drm_lastclose()
393 	TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {  in drm_lastclose()
395 			drm_rmmap(dev, map);  in drm_lastclose()
398 	drm_dma_takedown(dev);  in drm_lastclose()
399 	if (dev->lock.hw_lock) {  in drm_lastclose()
400 		dev->lock.hw_lock = NULL; /* SHM removed */  in drm_lastclose()
401 		dev->lock.file_priv = NULL;  in drm_lastclose()
402 		DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);  in drm_lastclose()
408 static int drm_load(struct drm_device *dev)  in drm_load()  argument
414 	TAILQ_INIT(&dev->maplist);  in drm_load()
415 	dev->map_unrhdr = new_unrhdr(1, ((1 << DRM_MAP_HANDLE_BITS) - 1), NULL);  in drm_load()
416 	if (dev->map_unrhdr == NULL) {  in drm_load()
423 	drm_sysctl_init(dev);  in drm_load()
424 	TAILQ_INIT(&dev->files);  in drm_load()
426 	dev->counters  = 6;  in drm_load()
427 	dev->types[0]  = _DRM_STAT_LOCK;  in drm_load()
428 	dev->types[1]  = _DRM_STAT_OPENS;  in drm_load()
429 	dev->types[2]  = _DRM_STAT_CLOSES;  in drm_load()
430 	dev->types[3]  = _DRM_STAT_IOCTLS;  in drm_load()
431 	dev->types[4]  = _DRM_STAT_LOCKS;  in drm_load()
432 	dev->types[5]  = _DRM_STAT_UNLOCKS;  in drm_load()
434 	for (i = 0; i < DRM_ARRAY_SIZE(dev->counts); i++)  in drm_load()
435 		atomic_set(&dev->counts[i], 0);  in drm_load()
437 	if (dev->driver->load != NULL) {  in drm_load()
440 		retcode = -dev->driver->load(dev,  in drm_load()
441 		    dev->id_entry->driver_private);  in drm_load()
442 		if (pci_enable_busmaster(dev->device))  in drm_load()
449 	if (drm_core_has_AGP(dev)) {  in drm_load()
450 		if (drm_device_is_agp(dev))  in drm_load()
451 			dev->agp = drm_agp_init();  in drm_load()
452 		if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) &&  in drm_load()
453 		    dev->agp == NULL) {  in drm_load()
459 		if (dev->agp != NULL && dev->agp->info.ai_aperture_base != 0) {  in drm_load()
460 			if (drm_mtrr_add(dev->agp->info.ai_aperture_base,  in drm_load()
461 			    dev->agp->info.ai_aperture_size, DRM_MTRR_WC) == 0)  in drm_load()
462 				dev->agp->mtrr = 1;  in drm_load()
466 	retcode = drm_ctxbitmap_init(dev);  in drm_load()
472 	dev->drw_unrhdr = new_unrhdr(1, INT_MAX, NULL);  in drm_load()
473 	if (dev->drw_unrhdr == NULL) {  in drm_load()
479 	    dev->driver->name,  in drm_load()
480 	    dev->driver->major,  in drm_load()
481 	    dev->driver->minor,  in drm_load()
482 	    dev->driver->patchlevel,  in drm_load()
483 	    dev->driver->date);  in drm_load()
488 	drm_sysctl_cleanup(dev);  in drm_load()
490 	drm_lastclose(dev);  in drm_load()
492 	destroy_dev(dev->devnode);  in drm_load()
494 	mtx_destroy(&dev->drw_lock);  in drm_load()
495 	mtx_destroy(&dev->vbl_lock);  in drm_load()
496 	mtx_destroy(&dev->irq_lock);  in drm_load()
497 	mtx_destroy(&dev->dev_lock);  in drm_load()
502 static void drm_unload(struct drm_device *dev)  in drm_unload()  argument
508 	drm_sysctl_cleanup(dev);  in drm_unload()
509 	destroy_dev(dev->devnode);  in drm_unload()
511 	drm_ctxbitmap_cleanup(dev);  in drm_unload()
513 	if (dev->agp && dev->agp->mtrr) {  in drm_unload()
516 		retcode = drm_mtrr_del(0, dev->agp->info.ai_aperture_base,  in drm_unload()
517 		    dev->agp->info.ai_aperture_size, DRM_MTRR_WC);  in drm_unload()
521 	drm_vblank_cleanup(dev);  in drm_unload()
524 	drm_lastclose(dev);  in drm_unload()
533 		if (dev->pcir[i] == NULL)  in drm_unload()
535 		bus_release_resource(dev->device, SYS_RES_MEMORY,  in drm_unload()
536 		    dev->pcirid[i], dev->pcir[i]);  in drm_unload()
537 		dev->pcir[i] = NULL;  in drm_unload()
540 	if (dev->agp) {  in drm_unload()
541 		free(dev->agp, DRM_MEM_AGPLISTS);  in drm_unload()
542 		dev->agp = NULL;  in drm_unload()
545 	if (dev->driver->unload != NULL) {  in drm_unload()
547 		dev->driver->unload(dev);  in drm_unload()
551 	delete_unrhdr(dev->drw_unrhdr);  in drm_unload()
552 	delete_unrhdr(dev->map_unrhdr);  in drm_unload()
556 	if (pci_disable_busmaster(dev->device))  in drm_unload()
559 	mtx_destroy(&dev->drw_lock);  in drm_unload()
560 	mtx_destroy(&dev->vbl_lock);  in drm_unload()
561 	mtx_destroy(&dev->irq_lock);  in drm_unload()
562 	mtx_destroy(&dev->dev_lock);  in drm_unload()
565 int drm_version(struct drm_device *dev, void *data, struct drm_file *file_priv)  in drm_version()  argument
579 	version->version_major		= dev->driver->major;  in drm_version()
580 	version->version_minor		= dev->driver->minor;  in drm_version()
581 	version->version_patchlevel	= dev->driver->patchlevel;  in drm_version()
583 	DRM_COPY(version->name, dev->driver->name);  in drm_version()
584 	DRM_COPY(version->date, dev->driver->date);  in drm_version()
585 	DRM_COPY(version->desc, dev->driver->desc);  in drm_version()
592 	struct drm_device *dev = NULL;  in drm_open()  local
595 	dev = kdev->si_drv1;  in drm_open()
597 	DRM_DEBUG("open_count = %d\n", dev->open_count);  in drm_open()
599 	retcode = drm_open_helper(kdev, flags, fmt, p, dev);  in drm_open()
602 		atomic_inc(&dev->counts[_DRM_STAT_OPENS]);  in drm_open()
604 		device_busy(dev->device);  in drm_open()
605 		if (!dev->open_count++)  in drm_open()
606 			retcode = drm_firstopen(dev);  in drm_open()
616 	struct drm_device *dev = file_priv->dev;  in drm_close()  local
619 	DRM_DEBUG("open_count = %d\n", dev->open_count);  in drm_close()
623 	if (dev->driver->preclose != NULL)  in drm_close()
624 		dev->driver->preclose(dev, file_priv);  in drm_close()
631 	    DRM_CURRENTPID, (long)dev->device, dev->open_count);  in drm_close()
633 	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)  in drm_close()
634 	    && dev->lock.file_priv == file_priv) {  in drm_close()
637 			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));  in drm_close()
638 		if (dev->driver->reclaim_buffers_locked != NULL)  in drm_close()
639 			dev->driver->reclaim_buffers_locked(dev, file_priv);  in drm_close()
641 		drm_lock_free(&dev->lock,  in drm_close()
642 		    _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));  in drm_close()
648 	} else if (dev->driver->reclaim_buffers_locked != NULL &&  in drm_close()
649 	    dev->lock.hw_lock != NULL) {  in drm_close()
652 			if (!dev->lock.hw_lock) {  in drm_close()
657 			if (drm_lock_take(&dev->lock, DRM_KERNEL_CONTEXT)) {  in drm_close()
658 				dev->lock.file_priv = file_priv;  in drm_close()
659 				dev->lock.lock_time = jiffies;  in drm_close()
660 				atomic_inc(&dev->counts[_DRM_STAT_LOCKS]);  in drm_close()
664 			retcode = mtx_sleep((void *)&dev->lock.lock_queue,  in drm_close()
665 			    &dev->dev_lock, PCATCH, "drmlk2", 0);  in drm_close()
670 			dev->driver->reclaim_buffers_locked(dev, file_priv);  in drm_close()
671 			drm_lock_free(&dev->lock, DRM_KERNEL_CONTEXT);  in drm_close()
675 	if (drm_core_check_feature(dev, DRIVER_HAVE_DMA) &&  in drm_close()
676 	    !dev->driver->reclaim_buffers_locked)  in drm_close()
677 		drm_reclaim_buffers(dev, file_priv);  in drm_close()
679 	funsetown(&dev->buf_sigio);  in drm_close()
681 	if (dev->driver->postclose != NULL)  in drm_close()
682 		dev->driver->postclose(dev, file_priv);  in drm_close()
683 	TAILQ_REMOVE(&dev->files, file_priv, link);  in drm_close()
690 	atomic_inc(&dev->counts[_DRM_STAT_CLOSES]);  in drm_close()
691 	device_unbusy(dev->device);  in drm_close()
692 	if (--dev->open_count == 0) {  in drm_close()
693 		retcode = drm_lastclose(dev);  in drm_close()
704 	struct drm_device *dev = drm_get_device_from_kdev(kdev);  in drm_ioctl()  local
707 	int (*func)(struct drm_device *dev, void *data, struct drm_file *file_priv);  in drm_ioctl()
718 	atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]);  in drm_ioctl()
722 	    DRM_CURRENTPID, cmd, nr, (long)dev->device,  in drm_ioctl()
731 		return fsetown(*(int *)data, &dev->buf_sigio);  in drm_ioctl()
734 		*(int *) data = fgetown(&dev->buf_sigio);  in drm_ioctl()
748 		if (nr >= dev->driver->max_ioctl) {  in drm_ioctl()
750 			    nr, dev->driver->max_ioctl);  in drm_ioctl()
753 		ioctl = &dev->driver->ioctls[nr];  in drm_ioctl()
771 		retcode = -func(dev, data, file_priv);  in drm_ioctl()
774 		retcode = func(dev, data, file_priv);  in drm_ioctl()
783 drm_local_map_t *drm_getsarea(struct drm_device *dev)  in drm_getsarea()  argument
787 	DRM_SPINLOCK_ASSERT(&dev->dev_lock);  in drm_getsarea()
788 	TAILQ_FOREACH(map, &dev->maplist, link) {  in drm_getsarea()