FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/controller/generic_ehci_acpi.c

     /*-
      * Copyright (c) 2012 Ganbold Tsagaankhuu <ganbold@freebsd.org>
      * Copyright (c) 2016 The FreeBSD Foundation
      * All rights reserved.
      *
      * This software was developed by Andrew Turner under
      * sponsorship from the FreeBSD Foundation.
      *
      * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    #include <sys/cdefs.h>
    __FBSDID("$FreeBSD$");
    
    #include "opt_bus.h"
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/bus.h>
    #include <sys/condvar.h>
    #include <sys/kernel.h>
    #include <sys/module.h>
    
    #include <dev/usb/usb.h>
    #include <dev/usb/usbdi.h>
    
    #include <dev/usb/usb_core.h>
    #include <dev/usb/usb_busdma.h>
    #include <dev/usb/usb_process.h>
    
    #include <dev/usb/usb_controller.h>
    #include <dev/usb/usb_bus.h>
    #include <dev/usb/controller/ehci.h>
    
    #include <contrib/dev/acpica/include/acpi.h>
    #include <contrib/dev/acpica/include/accommon.h>
    #include <dev/acpica/acpivar.h>
    
    #include "generic_ehci.h"
    
    static int
    generic_ehci_acpi_probe(device_t self)
    {
            ACPI_HANDLE h;
    
            if ((h = acpi_get_handle(self)) == NULL ||
                !acpi_MatchHid(h, "PNP0D20"))
                    return (ENXIO);
    
            device_set_desc(self, "Generic EHCI Controller");
            return (BUS_PROBE_DEFAULT);
    }
    
    static device_method_t ehci_acpi_methods[] = {
            /* Device interface */
            DEVMETHOD(device_probe,         generic_ehci_acpi_probe),
    
            DEVMETHOD_END
    };
    
    DEFINE_CLASS_1(ehci, ehci_acpi_driver, ehci_acpi_methods,
        sizeof(ehci_softc_t), generic_ehci_driver);
    
    DRIVER_MODULE(ehci, acpi, ehci_acpi_driver, 0, 0);
    MODULE_DEPEND(ehci, usb, 1, 1, 1);

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