1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2019 Greg V <greg@unrelenting.technology> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/cdefs.h> 29 __FBSDID("$FreeBSD$"); 30 31 #include "opt_acpi.h" 32 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/bus.h> 36 #include <sys/condvar.h> 37 #include <sys/kernel.h> 38 #include <sys/module.h> 39 40 #include <dev/usb/usb.h> 41 #include <dev/usb/usbdi.h> 42 43 #include <dev/usb/usb_core.h> 44 #include <dev/usb/usb_busdma.h> 45 #include <dev/usb/usb_process.h> 46 47 #include <dev/usb/usb_controller.h> 48 #include <dev/usb/usb_bus.h> 49 #include <dev/usb/controller/xhci.h> 50 51 #include <contrib/dev/acpica/include/acpi.h> 52 #include <dev/acpica/acpivar.h> 53 54 #include "generic_xhci.h" 55 56 static int 57 generic_xhci_acpi_probe(device_t dev) 58 { 59 ACPI_HANDLE h; 60 61 if ((h = acpi_get_handle(dev)) == NULL || 62 acpi_MatchHid(h, "PNP0D10") == ACPI_MATCHHID_NOMATCH) 63 return (ENXIO); 64 65 device_set_desc(dev, XHCI_HC_DEVSTR); 66 67 return (BUS_PROBE_DEFAULT); 68 } 69 70 static device_method_t xhci_acpi_methods[] = { 71 /* Device interface */ 72 DEVMETHOD(device_probe, generic_xhci_acpi_probe), 73 74 DEVMETHOD_END 75 }; 76 77 DEFINE_CLASS_1(xhci, xhci_acpi_driver, xhci_acpi_methods, 78 sizeof(struct xhci_softc), generic_xhci_driver); 79 80 static devclass_t xhci_acpi_devclass; 81 82 DRIVER_MODULE(xhci, acpi, xhci_acpi_driver, xhci_acpi_devclass, 0, 0); 83 MODULE_DEPEND(xhci, usb, 1, 1, 1); 84