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76f3b8cb64
Change the probe return value from BUS_PROBE_DEFAULT to BUS_PROBE_GENERIC given this is the "generic" attach method. This allows individual drivers using XHCI generic but needing their own intialisation to gain priority for attaching over the generic implementation. Reviewed by: hselasky Differential Revision: https://reviews.freebsd.org/D32257
83 lines
2.6 KiB
C
83 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_GENERIC);
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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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