718cf2ccb9
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts.
463 lines
12 KiB
C
463 lines
12 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Lennart Augustsson (augustss@carlstedt.se) at
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* Carlstedt Research & 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* Universal Host Controller Interface
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*
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* UHCI spec: http://www.intel.com/
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*/
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/* The low level controller code for UHCI has been split into
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* PCI probes and UHCI specific code. This was done to facilitate the
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* sharing of code between *BSD's
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*/
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#include <sys/stdint.h>
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#include <sys/stddef.h>
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#include <sys/param.h>
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#include <sys/queue.h>
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#include <sys/types.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/module.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/condvar.h>
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#include <sys/sysctl.h>
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#include <sys/sx.h>
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#include <sys/unistd.h>
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#include <sys/callout.h>
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#include <sys/malloc.h>
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#include <sys/priv.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_util.h>
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#include <dev/usb/usb_debug.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/usb_pci.h>
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#include <dev/usb/controller/uhci.h>
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#include <dev/usb/controller/uhcireg.h>
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#include "usb_if.h"
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#define PCI_UHCI_VENDORID_INTEL 0x8086
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#define PCI_UHCI_VENDORID_HP 0x103c
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#define PCI_UHCI_VENDORID_VIA 0x1106
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/* PIIX4E has no separate stepping */
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static device_probe_t uhci_pci_probe;
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static device_attach_t uhci_pci_attach;
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static device_detach_t uhci_pci_detach;
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static usb_take_controller_t uhci_pci_take_controller;
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static int
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uhci_pci_take_controller(device_t self)
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{
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pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
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return (0);
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}
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static const char *
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uhci_pci_match(device_t self)
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{
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uint32_t device_id = pci_get_devid(self);
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switch (device_id) {
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case 0x26888086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-1");
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case 0x26898086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-2");
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case 0x268a8086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-3");
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case 0x268b8086:
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return ("Intel 631XESB/632XESB/3100 USB controller USB-4");
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case 0x70208086:
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return ("Intel 82371SB (PIIX3) USB controller");
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case 0x71128086:
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return ("Intel 82371AB/EB (PIIX4) USB controller");
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case 0x24128086:
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return ("Intel 82801AA (ICH) USB controller");
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case 0x24228086:
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return ("Intel 82801AB (ICH0) USB controller");
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case 0x24428086:
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return ("Intel 82801BA/BAM (ICH2) USB controller USB-A");
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case 0x24448086:
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return ("Intel 82801BA/BAM (ICH2) USB controller USB-B");
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case 0x24828086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-A");
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case 0x24848086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-B");
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case 0x24878086:
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return ("Intel 82801CA/CAM (ICH3) USB controller USB-C");
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case 0x24c28086:
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return ("Intel 82801DB (ICH4) USB controller USB-A");
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case 0x24c48086:
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return ("Intel 82801DB (ICH4) USB controller USB-B");
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case 0x24c78086:
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return ("Intel 82801DB (ICH4) USB controller USB-C");
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case 0x24d28086:
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return ("Intel 82801EB (ICH5) USB controller USB-A");
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case 0x24d48086:
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return ("Intel 82801EB (ICH5) USB controller USB-B");
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case 0x24d78086:
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return ("Intel 82801EB (ICH5) USB controller USB-C");
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case 0x24de8086:
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return ("Intel 82801EB (ICH5) USB controller USB-D");
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case 0x25a98086:
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return ("Intel 6300ESB USB controller USB-A");
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case 0x25aa8086:
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return ("Intel 6300ESB USB controller USB-B");
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case 0x26588086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-A");
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case 0x26598086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-B");
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case 0x265a8086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-C");
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case 0x265b8086:
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return ("Intel 82801FB/FR/FW/FRW (ICH6) USB controller USB-D");
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case 0x27c88086:
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return ("Intel 82801G (ICH7) USB controller USB-A");
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case 0x27c98086:
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return ("Intel 82801G (ICH7) USB controller USB-B");
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case 0x27ca8086:
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return ("Intel 82801G (ICH7) USB controller USB-C");
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case 0x27cb8086:
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return ("Intel 82801G (ICH7) USB controller USB-D");
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case 0x28308086:
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return ("Intel 82801H (ICH8) USB controller USB-A");
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case 0x28318086:
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return ("Intel 82801H (ICH8) USB controller USB-B");
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case 0x28328086:
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return ("Intel 82801H (ICH8) USB controller USB-C");
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case 0x28348086:
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return ("Intel 82801H (ICH8) USB controller USB-D");
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case 0x28358086:
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return ("Intel 82801H (ICH8) USB controller USB-E");
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case 0x29348086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29358086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29368086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29378086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29388086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x29398086:
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return ("Intel 82801I (ICH9) USB controller");
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case 0x3a348086:
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return ("Intel 82801JI (ICH10) USB controller USB-A");
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case 0x3a358086:
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return ("Intel 82801JI (ICH10) USB controller USB-B");
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case 0x3a368086:
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return ("Intel 82801JI (ICH10) USB controller USB-C");
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case 0x3a378086:
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return ("Intel 82801JI (ICH10) USB controller USB-D");
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case 0x3a388086:
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return ("Intel 82801JI (ICH10) USB controller USB-E");
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case 0x3a398086:
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return ("Intel 82801JI (ICH10) USB controller USB-F");
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case 0x719a8086:
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return ("Intel 82443MX USB controller");
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case 0x76028086:
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return ("Intel 82372FB/82468GX USB controller");
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case 0x3300103c:
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return ("HP iLO Standard Virtual USB controller");
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case 0x30381106:
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return ("VIA 83C572 USB controller");
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default:
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break;
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}
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if ((pci_get_class(self) == PCIC_SERIALBUS) &&
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(pci_get_subclass(self) == PCIS_SERIALBUS_USB) &&
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(pci_get_progif(self) == PCI_INTERFACE_UHCI)) {
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return ("UHCI (generic) USB controller");
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}
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return (NULL);
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}
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static int
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uhci_pci_probe(device_t self)
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{
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const char *desc = uhci_pci_match(self);
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if (desc) {
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device_set_desc(self, desc);
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return (BUS_PROBE_DEFAULT);
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} else {
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return (ENXIO);
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}
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}
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static int
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uhci_pci_attach(device_t self)
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{
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uhci_softc_t *sc = device_get_softc(self);
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int rid;
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int err;
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/* initialise some bus fields */
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sc->sc_bus.parent = self;
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sc->sc_bus.devices = sc->sc_devices;
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sc->sc_bus.devices_max = UHCI_MAX_DEVICES;
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sc->sc_bus.dma_bits = 32;
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/* get all DMA memory */
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if (usb_bus_mem_alloc_all(&sc->sc_bus, USB_GET_DMA_TAG(self),
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&uhci_iterate_hw_softc)) {
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return ENOMEM;
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}
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sc->sc_dev = self;
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pci_enable_busmaster(self);
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rid = PCI_UHCI_BASE_REG;
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sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_IOPORT, &rid,
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RF_ACTIVE);
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if (!sc->sc_io_res) {
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device_printf(self, "Could not map ports\n");
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goto error;
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}
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sc->sc_io_tag = rman_get_bustag(sc->sc_io_res);
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sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res);
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sc->sc_io_size = rman_get_size(sc->sc_io_res);
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/* disable interrupts */
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bus_space_write_2(sc->sc_io_tag, sc->sc_io_hdl, UHCI_INTR, 0);
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rid = 0;
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sc->sc_irq_res = bus_alloc_resource_any(self, SYS_RES_IRQ, &rid,
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RF_SHAREABLE | RF_ACTIVE);
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if (sc->sc_irq_res == NULL) {
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device_printf(self, "Could not allocate irq\n");
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goto error;
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}
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sc->sc_bus.bdev = device_add_child(self, "usbus", -1);
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if (!sc->sc_bus.bdev) {
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device_printf(self, "Could not add USB device\n");
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goto error;
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}
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device_set_ivars(sc->sc_bus.bdev, &sc->sc_bus);
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/*
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* uhci_pci_match must never return NULL if uhci_pci_probe
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* succeeded
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*/
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device_set_desc(sc->sc_bus.bdev, uhci_pci_match(self));
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switch (pci_get_vendor(self)) {
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case PCI_UHCI_VENDORID_INTEL:
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sprintf(sc->sc_vendor, "Intel");
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break;
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case PCI_UHCI_VENDORID_HP:
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sprintf(sc->sc_vendor, "HP");
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break;
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case PCI_UHCI_VENDORID_VIA:
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sprintf(sc->sc_vendor, "VIA");
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break;
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default:
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if (bootverbose) {
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device_printf(self, "(New UHCI DeviceId=0x%08x)\n",
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pci_get_devid(self));
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}
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sprintf(sc->sc_vendor, "(0x%04x)", pci_get_vendor(self));
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}
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switch (pci_read_config(self, PCI_USBREV, 1) & PCI_USB_REV_MASK) {
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case PCI_USB_REV_PRE_1_0:
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sc->sc_bus.usbrev = USB_REV_PRE_1_0;
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break;
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case PCI_USB_REV_1_0:
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sc->sc_bus.usbrev = USB_REV_1_0;
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break;
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default:
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/* Quirk for Parallels Desktop 4.0 */
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device_printf(self, "USB revision is unknown. Assuming v1.1.\n");
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sc->sc_bus.usbrev = USB_REV_1_1;
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break;
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}
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#if (__FreeBSD_version >= 700031)
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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NULL, (driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
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#else
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err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
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(driver_intr_t *)uhci_interrupt, sc, &sc->sc_intr_hdl);
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#endif
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if (err) {
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device_printf(self, "Could not setup irq, %d\n", err);
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sc->sc_intr_hdl = NULL;
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goto error;
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}
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/*
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* Set the PIRQD enable bit and switch off all the others. We don't
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* want legacy support to interfere with us XXX Does this also mean
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* that the BIOS won't touch the keyboard anymore if it is connected
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* to the ports of the root hub?
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*/
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#ifdef USB_DEBUG
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if (pci_read_config(self, PCI_LEGSUP, 2) != PCI_LEGSUP_USBPIRQDEN) {
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device_printf(self, "LegSup = 0x%04x\n",
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pci_read_config(self, PCI_LEGSUP, 2));
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}
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#endif
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pci_write_config(self, PCI_LEGSUP, PCI_LEGSUP_USBPIRQDEN, 2);
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err = uhci_init(sc);
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if (!err) {
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err = device_probe_and_attach(sc->sc_bus.bdev);
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}
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if (err) {
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device_printf(self, "USB init failed\n");
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goto error;
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}
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return (0);
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error:
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uhci_pci_detach(self);
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return (ENXIO);
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}
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int
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uhci_pci_detach(device_t self)
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{
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uhci_softc_t *sc = device_get_softc(self);
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/* during module unload there are lots of children leftover */
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device_delete_children(self);
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/*
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* disable interrupts that might have been switched on in
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* uhci_init.
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*/
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if (sc->sc_io_res) {
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USB_BUS_LOCK(&sc->sc_bus);
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/* stop the controller */
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uhci_reset(sc);
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USB_BUS_UNLOCK(&sc->sc_bus);
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}
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pci_disable_busmaster(self);
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if (sc->sc_irq_res && sc->sc_intr_hdl) {
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int err = bus_teardown_intr(self, sc->sc_irq_res, sc->sc_intr_hdl);
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if (err) {
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/* XXX or should we panic? */
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device_printf(self, "Could not tear down irq, %d\n",
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err);
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}
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sc->sc_intr_hdl = NULL;
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}
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if (sc->sc_irq_res) {
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bus_release_resource(self, SYS_RES_IRQ, 0, sc->sc_irq_res);
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sc->sc_irq_res = NULL;
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}
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if (sc->sc_io_res) {
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bus_release_resource(self, SYS_RES_IOPORT, PCI_UHCI_BASE_REG,
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sc->sc_io_res);
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sc->sc_io_res = NULL;
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}
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usb_bus_mem_free_all(&sc->sc_bus, &uhci_iterate_hw_softc);
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return (0);
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}
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static device_method_t uhci_pci_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, uhci_pci_probe),
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DEVMETHOD(device_attach, uhci_pci_attach),
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DEVMETHOD(device_detach, uhci_pci_detach),
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DEVMETHOD(device_suspend, bus_generic_suspend),
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DEVMETHOD(device_resume, bus_generic_resume),
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DEVMETHOD(device_shutdown, bus_generic_shutdown),
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DEVMETHOD(usb_take_controller, uhci_pci_take_controller),
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DEVMETHOD_END
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};
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static driver_t uhci_driver = {
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.name = "uhci",
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.methods = uhci_pci_methods,
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.size = sizeof(struct uhci_softc),
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};
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static devclass_t uhci_devclass;
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DRIVER_MODULE(uhci, pci, uhci_driver, uhci_devclass, 0, 0);
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MODULE_DEPEND(uhci, usb, 1, 1, 1);
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