1 /*- 2 * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org> 3 * Copyright (c) 2016 The FreeBSD Foundation 4 * All rights reserved. 5 * 6 * This software was developed by Andrew Turner under 7 * sponsorship from the FreeBSD Foundation. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __FBSDID("$FreeBSD$"); 33 34 #include "opt_bus.h" 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/bus.h> 39 #include <sys/condvar.h> 40 #include <sys/kernel.h> 41 #include <sys/module.h> 42 43 #include <dev/usb/usb.h> 44 #include <dev/usb/usbdi.h> 45 46 #include <dev/usb/usb_core.h> 47 #include <dev/usb/usb_busdma.h> 48 #include <dev/usb/usb_process.h> 49 50 #include <dev/usb/usb_controller.h> 51 #include <dev/usb/usb_bus.h> 52 #include <dev/usb/controller/ehci.h> 53 54 #include <contrib/dev/acpica/include/acpi.h> 55 #include <contrib/dev/acpica/include/accommon.h> 56 #include <dev/acpica/acpivar.h> 57 58 #include "generic_ehci.h" 59 60 static int 61 generic_ehci_acpi_probe(device_t self) 62 { 63 ACPI_HANDLE h; 64 65 if ((h = acpi_get_handle(self)) == NULL || 66 !acpi_MatchHid(h, "PNP0D20")) 67 return (ENXIO); 68 69 device_set_desc(self, "Generic EHCI Controller"); 70 return (BUS_PROBE_DEFAULT); 71 } 72 73 static device_method_t ehci_acpi_methods[] = { 74 /* Device interface */ 75 DEVMETHOD(device_probe, generic_ehci_acpi_probe), 76 77 DEVMETHOD_END 78 }; 79 80 DEFINE_CLASS_1(ehci, ehci_acpi_driver, ehci_acpi_methods, 81 sizeof(ehci_softc_t), generic_ehci_driver); 82 83 DRIVER_MODULE(ehci, acpi, ehci_acpi_driver, 0, 0); 84 MODULE_DEPEND(ehci, usb, 1, 1, 1); 85