1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2010-2022 Hans Petter Selasky
87 DRIVER_MODULE(xhci, pci, xhci_pci_driver, NULL, NULL);
167 		return ("Intel Gemini Lake USB 3.0 controller");  in xhci_pci_match()
169 		return ("Intel Ice Lake-LP USB 3.1 controller");  in xhci_pci_match()
171 		return ("Intel Tiger Lake-H USB 3.2 controller");  in xhci_pci_match()
173 		return ("Intel Alder Lake-P Thunderbolt 4 USB controller");  in xhci_pci_match()
189 		return ("Intel Tiger Lake-LP Thunderbolt 4 USB controller");  in xhci_pci_match()
191 		return ("Intel Tiger Lake-H Thunderbolt 4 USB controller");  in xhci_pci_match()
193 		return ("Broadwell Integrated PCH-LP chipset USB 3.0 controller");  in xhci_pci_match()
195 		return ("Intel Sunrise Point-LP USB 3.0 controller");  in xhci_pci_match()
197 		return ("Intel Tiger Lake-LP USB 3.2 controller");  in xhci_pci_match()
214 		return ("Zhaoxin ZX-100 USB 3.0 controller");  in xhci_pci_match()
216 		return ("Zhaoxin ZX-200 USB 3.0 controller");  in xhci_pci_match()
218 		return ("Zhaoxin ZX-E USB 3.0 controller");  in xhci_pci_match()
254 	USB_BUS_UNLOCK(&sc->sc_bus);  in xhci_interrupt_poll()
256 	USB_BUS_LOCK(&sc->sc_bus);  in xhci_interrupt_poll()
257 	usb_callout_reset(&sc->sc_callout, 1, (void *)&xhci_interrupt_poll, sc);  in xhci_interrupt_poll()
294 	sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,  in xhci_pci_attach()
296 	if (!sc->sc_io_res) {  in xhci_pci_attach()
300 	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);  in xhci_pci_attach()
301 	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);  in xhci_pci_attach()
302 	sc->sc_io_size = rman_get_size(sc->sc_io_res);  in xhci_pci_attach()
307 		sc->sc_no_deconfigure = 1;  in xhci_pci_attach()
311 		/* Don't use 64-bit DMA on these controllers. */  in xhci_pci_attach()
328 		sc->sc_port_route = &xhci_pci_port_route;  in xhci_pci_attach()
329 		sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;  in xhci_pci_attach()
330 		sc->sc_ctlstep = 1;  in xhci_pci_attach()
339 		    sc->sc_io_res);  in xhci_pci_attach()
345 	usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0);  in xhci_pci_attach()
350 			sc->sc_msix_res = sc->sc_io_res;  in xhci_pci_attach()
352 			sc->sc_msix_res = bus_alloc_resource_any(self,  in xhci_pci_attach()
354 			if (sc->sc_msix_res == NULL) {  in xhci_pci_attach()
357 				    "Unable to map MSI-X table\n");  in xhci_pci_attach()
360 		if (sc->sc_msix_res != NULL) {  in xhci_pci_attach()
364 					device_printf(self, "MSI-X enabled\n");  in xhci_pci_attach()
367 				if (sc->sc_msix_res != sc->sc_io_res) {  in xhci_pci_attach()
370 					    msix_table, sc->sc_msix_res);  in xhci_pci_attach()
372 				sc->sc_msix_res = NULL;  in xhci_pci_attach()
384 	sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,  in xhci_pci_attach()
386 	if (sc->sc_irq_res == NULL) {  in xhci_pci_attach()
389 		/* goto error; FALLTHROUGH - use polling */  in xhci_pci_attach()
391 	sc->sc_bus.bdev = device_add_child(self, "usbus", DEVICE_UNIT_ANY);  in xhci_pci_attach()
392 	if (sc->sc_bus.bdev == NULL) {  in xhci_pci_attach()
396 	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);  in xhci_pci_attach()
400 		strlcpy(sc->sc_vendor, "AMD", sizeof(sc->sc_vendor));  in xhci_pci_attach()
403 		strlcpy(sc->sc_vendor, "Intel", sizeof(sc->sc_vendor));  in xhci_pci_attach()
406 		strlcpy(sc->sc_vendor, "VMware", sizeof(sc->sc_vendor));  in xhci_pci_attach()
409 		strlcpy(sc->sc_vendor, "Zhaoxin", sizeof(sc->sc_vendor));  in xhci_pci_attach()
415 		snprintf(sc->sc_vendor, sizeof(sc->sc_vendor),  in xhci_pci_attach()
420 	if (sc->sc_irq_res != NULL && xhci_use_polling() == 0) {  in xhci_pci_attach()
421 		err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,  in xhci_pci_attach()
422 		    NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);  in xhci_pci_attach()
425 			    rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);  in xhci_pci_attach()
426 			sc->sc_irq_res = NULL;  in xhci_pci_attach()
429 			sc->sc_intr_hdl = NULL;  in xhci_pci_attach()
432 	if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL) {  in xhci_pci_attach()
435 			USB_BUS_LOCK(&sc->sc_bus);  in xhci_pci_attach()
437 			USB_BUS_UNLOCK(&sc->sc_bus);  in xhci_pci_attach()
450 		err = device_probe_and_attach(sc->sc_bus.bdev);  in xhci_pci_attach()
474 	usb_callout_drain(&sc->sc_callout);  in xhci_pci_detach()
480 	if (sc->sc_irq_res && sc->sc_intr_hdl) {  in xhci_pci_detach()
481 		bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);  in xhci_pci_detach()
482 		sc->sc_intr_hdl = NULL;  in xhci_pci_detach()
484 	if (sc->sc_irq_res) {  in xhci_pci_detach()
486 		    rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);  in xhci_pci_detach()
487 		sc->sc_irq_res = NULL;  in xhci_pci_detach()
490 	if (sc->sc_msix_res != NULL && sc->sc_msix_res != sc->sc_io_res) {  in xhci_pci_detach()
492 		    rman_get_rid(sc->sc_msix_res), sc->sc_msix_res);  in xhci_pci_detach()
493 		sc->sc_msix_res = NULL;  in xhci_pci_detach()
495 	if (sc->sc_io_res) {  in xhci_pci_detach()
497 		    sc->sc_io_res);  in xhci_pci_detach()
498 		sc->sc_io_res = NULL;  in xhci_pci_detach()
518 	eec = -1;  in xhci_pci_take_controller()
531 		device_printf(sc->sc_bus.bdev, "waiting for BIOS "  in xhci_pci_take_controller()
542 			if (--to == 0) {  in xhci_pci_take_controller()
543 				device_printf(sc->sc_bus.bdev,  in xhci_pci_take_controller()