dev/drm2/drm_pci.c

42 #include <dev/drm2/drmP.h>
68 drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size,
86 	mtx_assert(&dev->dma_lock, MA_NOTOWNED);
87 	if (mtx_owned(&dev->dma_lock))
91 	    bus_get_dma_tag(dev->dev), /* parent */
130 void __drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
143 void drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
145 	__drm_pci_free(dev, dmah);
151 static int drm_get_pci_domain(struct drm_device *dev)
153 	return dev->pci_domain;
156 static int drm_pci_get_irq(struct drm_device *dev)
159 	if (dev->irqr)
160 		return (dev->irq);
162 	dev->irqr = bus_alloc_resource_any(dev->dev, SYS_RES_IRQ,
163 	    &dev->irqrid, RF_SHAREABLE);
164 	if (!dev->irqr) {
165 		dev_err(dev->dev, "Failed to allocate IRQ\n");
169 	dev->irq = (int) rman_get_start(dev->irqr);
171 	return (dev->irq);
174 static void drm_pci_free_irq(struct drm_device *dev)
176 	if (dev->irqr == NULL)
179 	bus_release_resource(dev->dev, SYS_RES_IRQ,
180 	    dev->irqrid, dev->irqr);
182 	dev->irqr = NULL;
183 	dev->irq = 0;
186 static const char *drm_pci_get_name(struct drm_device *dev)
188 	return dev->driver->name;
191 int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master)
203 		       dev->pci_domain,
204 		       dev->pci_bus,
205 		       dev->pci_slot,
206 		       dev->pci_func);
220 int drm_pci_set_unique(struct drm_device *dev,
253 	if ((domain != dev->pci_domain) ||
254 	    (bus != dev->pci_bus) ||
255 	    (slot != dev->pci_slot) ||
256 	    (func != dev->pci_func)) {
266 static int drm_pci_irq_by_busid(struct drm_device *dev, struct drm_irq_busid *p)
268 	if ((p->busnum >> 8) != drm_get_pci_domain(dev) ||
269 	    (p->busnum & 0xff) != dev->pci_bus ||
270 	    p->devnum != dev->pci_slot || p->funcnum != dev->pci_func)
273 	p->irq = dev->irq;
280 int drm_pci_agp_init(struct drm_device *dev)
282 	if (drm_core_has_AGP(dev)) {
283 		if (drm_pci_device_is_agp(dev))
284 			dev->agp = drm_agp_init(dev);
285 		if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP)
286 		    && (dev->agp == NULL)) {
290 		if (drm_core_has_MTRR(dev)) {
291 			if (dev->agp && dev->agp->agp_info.ai_aperture_base != 0) {
292 				if (drm_mtrr_add(dev->agp->agp_info.ai_aperture_base,
293 				    dev->agp->agp_info.ai_aperture_size, DRM_MTRR_WC) == 0)
294 					dev->agp->agp_mtrr = 1;
296 					dev->agp->agp_mtrr = -1;
325 int drm_get_pci_dev(device_t kdev, struct drm_device *dev,
334 	dev->dev = kdev;
336 	dev->pci_domain = pci_get_domain(dev->dev);
337 	dev->pci_bus = pci_get_bus(dev->dev);
338 	dev->pci_slot = pci_get_slot(dev->dev);
339 	dev->pci_func = pci_get_function(dev->dev);
341 	dev->pci_vendor = pci_get_vendor(dev->dev);
342 	dev->pci_device = pci_get_device(dev->dev);
343 	dev->pci_subvendor = pci_get_subvendor(dev->dev);
344 	dev->pci_subdevice = pci_get_subdevice(dev->dev);
348 	if ((ret = drm_fill_in_dev(dev, driver))) {
349 		DRM_ERROR("Failed to fill in dev: %d\n", ret);
353 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
354 		ret = drm_get_minor(dev, &dev->control, DRM_MINOR_CONTROL);
359 	if ((ret = drm_get_minor(dev, &dev->primary, DRM_MINOR_LEGACY)))
362 	if (dev->driver->load) {
363 		ret = dev->driver->load(dev,
364 		    dev->id_entry->driver_private);
370 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
371 		ret = drm_mode_group_init_legacy_group(dev,
372 						&dev->primary->mode_group);
378 	list_add_tail(&dev->driver_item, &driver->device_list);
383 		 driver->date, device_get_nameunit(dev->dev), dev->primary->index);
389 	if (dev->driver->unload)
390 		dev->driver->unload(dev);
392 	drm_put_minor(&dev->primary);
394 	if (drm_core_check_feature(dev, DRIVER_MODESET))
395 		drm_put_minor(&dev->control);
397 	drm_cancel_fill_in_dev(dev);
405 drm_pci_enable_msi(struct drm_device *dev)
412 	msicount = pci_msi_count(dev->dev);
417 	ret = pci_alloc_msi(dev->dev, &msicount);
420 		dev->msi_enabled = 1;
421 		dev->irqrid = 1;
428 drm_pci_disable_msi(struct drm_device *dev)
431 	if (!dev->msi_enabled)
434 	pci_release_msi(dev->dev);
435 	dev->msi_enabled = 0;
436 	dev->irqrid = 0;
439 int drm_pcie_get_speed_cap_mask(struct drm_device *dev, u32 *mask)
446 	if (!drm_pci_device_is_pcie(dev))
453 	    dev->dev)));       /*         `-- drmn */