1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2010-2022 Hans Petter Selasky
9  * 1. Redistributions of source code must retain the above copyright
88 MODULE_DEPEND(xhci, usb, 1, 1, 1);
176 		return ("Intel Ice Lake-LP USB 3.1 controller");  in xhci_pci_match()
178 		return ("Intel Tiger Lake-H USB 3.2 controller");  in xhci_pci_match()
180 		return ("Intel Alder Lake-P Thunderbolt 4 USB controller");  in xhci_pci_match()
196 		return ("Intel Tiger Lake-LP Thunderbolt 4 USB controller");  in xhci_pci_match()
198 		return ("Intel Tiger Lake-H Thunderbolt 4 USB controller");  in xhci_pci_match()
200 		return ("Broadwell Integrated PCH-LP chipset USB 3.0 controller");  in xhci_pci_match()
202 		return ("Intel Sunrise Point-LP USB 3.0 controller");  in xhci_pci_match()
204 		return ("Intel Tiger Lake-LP USB 3.2 controller");  in xhci_pci_match()
221 		return ("Zhaoxin ZX-100 USB 3.0 controller");  in xhci_pci_match()
223 		return ("Zhaoxin ZX-200 USB 3.0 controller");  in xhci_pci_match()
225 		return ("Zhaoxin ZX-E USB 3.0 controller");  in xhci_pci_match()
252 static int xhci_use_msi = 1;
253 TUNABLE_INT("hw.usb.xhci.msi", &xhci_use_msi);
254 static int xhci_use_msix = 1;
261 	USB_BUS_UNLOCK(&sc->sc_bus);  in xhci_interrupt_poll()
263 	USB_BUS_LOCK(&sc->sc_bus);  in xhci_interrupt_poll()
264 	usb_callout_reset(&sc->sc_callout, 1, (void *)&xhci_interrupt_poll, sc);  in xhci_interrupt_poll()
297 	uint8_t usemsi = 1;  in xhci_pci_attach()
301 	sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid,  in xhci_pci_attach()
303 	if (!sc->sc_io_res) {  in xhci_pci_attach()
307 	sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);  in xhci_pci_attach()
308 	sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);  in xhci_pci_attach()
309 	sc->sc_io_size = rman_get_size(sc->sc_io_res);  in xhci_pci_attach()
314 		sc->sc_no_deconfigure = 1;  in xhci_pci_attach()
318 		/* Don't use 64-bit DMA on these controllers. */  in xhci_pci_attach()
319 		usedma32 = 1;  in xhci_pci_attach()
322 		/* Fresco Logic host doesn't support MSI. */  in xhci_pci_attach()
335 		sc->sc_port_route = &xhci_pci_port_route;  in xhci_pci_attach()
336 		sc->sc_imod_default = XHCI_IMOD_DEFAULT_LP;  in xhci_pci_attach()
337 		sc->sc_ctlstep = 1;  in xhci_pci_attach()
346 		    sc->sc_io_res);  in xhci_pci_attach()
352 	usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0);  in xhci_pci_attach()
357 			sc->sc_msix_res = sc->sc_io_res;  in xhci_pci_attach()
359 			sc->sc_msix_res = bus_alloc_resource_any(self,  in xhci_pci_attach()
361 			if (sc->sc_msix_res == NULL) {  in xhci_pci_attach()
364 				    "Unable to map MSI-X table\n");  in xhci_pci_attach()
367 		if (sc->sc_msix_res != NULL) {  in xhci_pci_attach()
368 			count = 1;  in xhci_pci_attach()
371 					device_printf(self, "MSI-X enabled\n");  in xhci_pci_attach()
372 				rid = 1;  in xhci_pci_attach()
374 				if (sc->sc_msix_res != sc->sc_io_res) {  in xhci_pci_attach()
377 					    msix_table, sc->sc_msix_res);  in xhci_pci_attach()
379 				sc->sc_msix_res = NULL;  in xhci_pci_attach()
384 		count = 1;  in xhci_pci_attach()
387 				device_printf(self, "MSI enabled\n");  in xhci_pci_attach()
388 			rid = 1;  in xhci_pci_attach()
391 	sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,  in xhci_pci_attach()
393 	if (sc->sc_irq_res == NULL) {  in xhci_pci_attach()
396 		/* goto error; FALLTHROUGH - use polling */  in xhci_pci_attach()
398 	sc->sc_bus.bdev = device_add_child(self, "usbus", DEVICE_UNIT_ANY);  in xhci_pci_attach()
399 	if (sc->sc_bus.bdev == NULL) {  in xhci_pci_attach()
403 	device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);  in xhci_pci_attach()
407 		strlcpy(sc->sc_vendor, "AMD", sizeof(sc->sc_vendor));  in xhci_pci_attach()
410 		strlcpy(sc->sc_vendor, "Intel", sizeof(sc->sc_vendor));  in xhci_pci_attach()
413 		strlcpy(sc->sc_vendor, "VMware", sizeof(sc->sc_vendor));  in xhci_pci_attach()
416 		strlcpy(sc->sc_vendor, "Zhaoxin", sizeof(sc->sc_vendor));  in xhci_pci_attach()
422 		snprintf(sc->sc_vendor, sizeof(sc->sc_vendor),  in xhci_pci_attach()
427 	if (sc->sc_irq_res != NULL && xhci_use_polling() == 0) {  in xhci_pci_attach()
428 		err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,  in xhci_pci_attach()
429 		    NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);  in xhci_pci_attach()
432 			    rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);  in xhci_pci_attach()
433 			sc->sc_irq_res = NULL;  in xhci_pci_attach()
436 			sc->sc_intr_hdl = NULL;  in xhci_pci_attach()
439 	if (sc->sc_irq_res == NULL || sc->sc_intr_hdl == NULL) {  in xhci_pci_attach()
442 			USB_BUS_LOCK(&sc->sc_bus);  in xhci_pci_attach()
444 			USB_BUS_UNLOCK(&sc->sc_bus);  in xhci_pci_attach()
457 		err = device_probe_and_attach(sc->sc_bus.bdev);  in xhci_pci_attach()
481 	usb_callout_drain(&sc->sc_callout);  in xhci_pci_detach()
487 	if (sc->sc_irq_res && sc->sc_intr_hdl) {  in xhci_pci_detach()
488 		bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);  in xhci_pci_detach()
489 		sc->sc_intr_hdl = NULL;  in xhci_pci_detach()
491 	if (sc->sc_irq_res) {  in xhci_pci_detach()
493 		    rman_get_rid(sc->sc_irq_res), sc->sc_irq_res);  in xhci_pci_detach()
494 		sc->sc_irq_res = NULL;  in xhci_pci_detach()
497 	if (sc->sc_msix_res != NULL && sc->sc_msix_res != sc->sc_io_res) {  in xhci_pci_detach()
499 		    rman_get_rid(sc->sc_msix_res), sc->sc_msix_res);  in xhci_pci_detach()
500 		sc->sc_msix_res = NULL;  in xhci_pci_detach()
502 	if (sc->sc_io_res) {  in xhci_pci_detach()
504 		    sc->sc_io_res);  in xhci_pci_detach()
505 		sc->sc_io_res = NULL;  in xhci_pci_detach()
525 	eec = -1;  in xhci_pci_take_controller()
538 		device_printf(sc->sc_bus.bdev, "waiting for BIOS "  in xhci_pci_take_controller()
541 		    XHCI_XECP_OS_SEM, 1);  in xhci_pci_take_controller()
543 		while (1) {  in xhci_pci_take_controller()
549 			if (--to == 0) {  in xhci_pci_take_controller()
550 				device_printf(sc->sc_bus.bdev,  in xhci_pci_take_controller()