052073c382
Ampere eMAG systems have XHCI just described in ACPI, not on PCI. Submitted by: Greg V <greg@unrelenting.technology> Reviewed by: andrew MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D19986
84 lines
2.6 KiB
C
84 lines
2.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 2019 Greg V <greg@unrelenting.technology>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_acpi.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/condvar.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <dev/usb/usb.h>
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#include <dev/usb/usbdi.h>
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#include <dev/usb/usb_core.h>
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#include <dev/usb/usb_busdma.h>
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#include <dev/usb/usb_process.h>
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#include <dev/usb/usb_controller.h>
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#include <dev/usb/usb_bus.h>
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#include <dev/usb/controller/xhci.h>
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#include <contrib/dev/acpica/include/acpi.h>
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#include <dev/acpica/acpivar.h>
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#include "generic_xhci.h"
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static int
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generic_xhci_acpi_probe(device_t dev)
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{
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ACPI_HANDLE h;
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if ((h = acpi_get_handle(dev)) == NULL ||
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acpi_MatchHid(h, "PNP0D10") == ACPI_MATCHHID_NOMATCH)
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return (ENXIO);
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device_set_desc(dev, XHCI_HC_DEVSTR);
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return (BUS_PROBE_DEFAULT);
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}
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static device_method_t xhci_acpi_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, generic_xhci_acpi_probe),
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DEVMETHOD_END
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};
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DEFINE_CLASS_1(xhci, xhci_acpi_driver, xhci_acpi_methods,
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sizeof(struct xhci_softc), generic_xhci_driver);
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static devclass_t xhci_acpi_devclass;
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DRIVER_MODULE(xhci, acpi, xhci_acpi_driver, xhci_acpi_devclass, 0, 0);
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MODULE_DEPEND(xhci, usb, 1, 1, 1);
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