57c02fd548
pr, the submitter says: Found this while running freebsd as guest in qemu with -usb parameter. The patch implements the missing dynamic size based on number of ports a hub has. Submitted by: Lonnie Mendez PR: 94946 Approved by: re@ (blanket)
703 lines
20 KiB
C
703 lines
20 KiB
C
/* $NetBSD: uhub.c,v 1.68 2004/06/29 06:30:05 mycroft Exp $ */
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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 (lennart@augustsson.net) 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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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/*
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* USB spec: http://www.usb.org/developers/docs/usbspec.zip
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/malloc.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sysctl.h>
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#include <machine/bus.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/usbdi_util.h>
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#include <dev/usb/usbdivar.h>
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#define UHUB_INTR_INTERVAL 255 /* ms */
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#ifdef USB_DEBUG
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#define DPRINTF(x) if (uhubdebug) printf x
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#define DPRINTFN(n,x) if (uhubdebug > (n)) printf x
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#define DEVPRINTF(x) if (uhubdebug) device_printf x
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#define DEVPRINTFN(n, x)if (uhubdebug > (n)) device_printf x
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int uhubdebug = 0;
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SYSCTL_NODE(_hw_usb, OID_AUTO, uhub, CTLFLAG_RW, 0, "USB uhub");
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SYSCTL_INT(_hw_usb_uhub, OID_AUTO, debug, CTLFLAG_RW,
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&uhubdebug, 0, "uhub debug level");
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#else
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#define DPRINTF(x)
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#define DPRINTFN(n,x)
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#define DEVPRINTF(x)
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#define DEVPRINTFN(n,x)
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#endif
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struct uhub_softc {
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device_t sc_dev; /* base device */
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usbd_device_handle sc_hub; /* USB device */
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usbd_pipe_handle sc_ipipe; /* interrupt pipe */
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u_int8_t sc_status[32]; /* max 255 ports */
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u_char sc_running;
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};
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#define UHUB_PROTO(sc) ((sc)->sc_hub->ddesc.bDeviceProtocol)
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#define UHUB_IS_HIGH_SPEED(sc) (UHUB_PROTO(sc) != UDPROTO_FSHUB)
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#define UHUB_IS_SINGLE_TT(sc) (UHUB_PROTO(sc) == UDPROTO_HSHUBSTT)
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static usbd_status uhub_explore(usbd_device_handle hub);
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static void uhub_intr(usbd_xfer_handle, usbd_private_handle,usbd_status);
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/*
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* We need two attachment points:
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* hub to usb and hub to hub
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* Every other driver only connects to hubs
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*/
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static device_probe_t uhub_match;
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static device_attach_t uhub_attach;
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static device_detach_t uhub_detach;
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static bus_child_location_str_t uhub_child_location_str;
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static bus_child_pnpinfo_str_t uhub_child_pnpinfo_str;
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static device_method_t uhub_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, uhub_match),
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DEVMETHOD(device_attach, uhub_attach),
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DEVMETHOD(device_detach, uhub_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(bus_child_pnpinfo_str, uhub_child_pnpinfo_str),
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DEVMETHOD(bus_child_location_str, uhub_child_location_str),
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/* XXX driver_added needs special care */
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DEVMETHOD(bus_driver_added, bus_generic_driver_added),
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{ 0, 0 }
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};
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static driver_t uhub_driver = {
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"uhub",
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uhub_methods,
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sizeof(struct uhub_softc)
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};
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static devclass_t uhub_devclass;
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/* Create the driver instance for the hub connected to usb case. */
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devclass_t uhubroot_devclass;
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static device_method_t uhubroot_methods[] = {
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DEVMETHOD(device_probe, uhub_match),
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DEVMETHOD(device_attach, uhub_attach),
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DEVMETHOD(device_detach, uhub_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(bus_child_location_str, uhub_child_location_str),
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DEVMETHOD(bus_child_pnpinfo_str, uhub_child_pnpinfo_str),
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/* XXX driver_added needs special care */
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DEVMETHOD(bus_driver_added, bus_generic_driver_added),
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{0,0}
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};
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static driver_t uhubroot_driver = {
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"uhub",
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uhubroot_methods,
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sizeof(struct uhub_softc)
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};
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static int
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uhub_match(device_t self)
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{
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struct usb_attach_arg *uaa = device_get_ivars(self);
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usb_device_descriptor_t *dd = usbd_get_device_descriptor(uaa->device);
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DPRINTFN(5,("uhub_match, dd=%p\n", dd));
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/*
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* The subclass for hubs seems to be 0 for some and 1 for others,
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* so we just ignore the subclass.
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*/
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if (uaa->iface == NULL && dd->bDeviceClass == UDCLASS_HUB)
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return (UMATCH_DEVCLASS_DEVSUBCLASS);
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return (UMATCH_NONE);
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}
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int
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uhub_attach(device_t self)
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{
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struct uhub_softc *sc = device_get_softc(self);
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struct usb_attach_arg *uaa = device_get_ivars(self);
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usbd_device_handle dev = uaa->device;
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usbd_status err;
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struct usbd_hub *hub = NULL;
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usb_device_request_t req;
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usb_hub_descriptor_t hubdesc;
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int p, port, nports, nremov, pwrdly;
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usbd_interface_handle iface;
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usb_endpoint_descriptor_t *ed;
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struct usbd_tt *tts = NULL;
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DPRINTFN(1,("uhub_attach\n"));
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sc->sc_hub = dev;
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sc->sc_dev = self;
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if (dev->depth > 0 && UHUB_IS_HIGH_SPEED(sc)) {
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device_printf(sc->sc_dev, "%s transaction translator%s\n",
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UHUB_IS_SINGLE_TT(sc) ? "single" : "multiple",
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UHUB_IS_SINGLE_TT(sc) ? "" : "s");
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}
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err = usbd_set_config_index(dev, 0, 1);
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if (err) {
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DEVPRINTF((sc->sc_dev, "configuration failed, error=%s\n",
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usbd_errstr(err)));
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return (ENXIO);
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}
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if (dev->depth > USB_HUB_MAX_DEPTH) {
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device_printf(sc->sc_dev, "hub depth (%d) exceeded, hub ignored\n",
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USB_HUB_MAX_DEPTH);
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return (ENXIO);
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}
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/* Get hub descriptor. */
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req.bmRequestType = UT_READ_CLASS_DEVICE;
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req.bRequest = UR_GET_DESCRIPTOR;
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USETW2(req.wValue, (dev->address > 1 ? UDESC_HUB : 0), 0);
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USETW(req.wIndex, 0);
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USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE);
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DPRINTFN(1,("usb_init_hub: getting hub descriptor\n"));
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err = usbd_do_request(dev, &req, &hubdesc);
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nports = hubdesc.bNbrPorts;
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if (!err && nports > 7) {
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USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE + (nports+1) / 8);
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err = usbd_do_request(dev, &req, &hubdesc);
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}
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if (err) {
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DEVPRINTF((sc->sc_dev, "getting hub descriptor failed: %s\n",
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usbd_errstr(err)));
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return (ENXIO);
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}
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for (nremov = 0, port = 1; port <= nports; port++)
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if (!UHD_NOT_REMOV(&hubdesc, port))
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nremov++;
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device_printf(sc->sc_dev, "%d port%s with %d removable, %s powered\n",
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nports, nports != 1 ? "s" : "", nremov,
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dev->self_powered ? "self" : "bus");
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if (nports == 0) {
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device_printf(sc->sc_dev, "no ports, hub ignored\n");
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goto bad;
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}
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hub = malloc(sizeof(*hub) + (nports-1) * sizeof(struct usbd_port),
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M_USBDEV, M_NOWAIT);
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if (hub == NULL) {
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return (ENXIO);
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}
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dev->hub = hub;
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dev->hub->hubsoftc = sc;
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hub->explore = uhub_explore;
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hub->hubdesc = hubdesc;
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DPRINTFN(1,("usbhub_init_hub: selfpowered=%d, parent=%p, "
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"parent->selfpowered=%d\n",
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dev->self_powered, dev->powersrc->parent,
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dev->powersrc->parent ?
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dev->powersrc->parent->self_powered : 0));
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if (!dev->self_powered && dev->powersrc->parent != NULL &&
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!dev->powersrc->parent->self_powered) {
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device_printf(sc->sc_dev, "bus powered hub connected to bus "
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"powered hub, ignored\n");
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goto bad;
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}
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/* Set up interrupt pipe. */
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err = usbd_device2interface_handle(dev, 0, &iface);
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if (err) {
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device_printf(sc->sc_dev, "no interface handle\n");
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goto bad;
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}
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ed = usbd_interface2endpoint_descriptor(iface, 0);
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if (ed == NULL) {
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device_printf(sc->sc_dev, "no endpoint descriptor\n");
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goto bad;
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}
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if ((ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) {
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device_printf(sc->sc_dev, "bad interrupt endpoint\n");
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goto bad;
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}
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err = usbd_open_pipe_intr(iface, ed->bEndpointAddress,
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USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_status,
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(nports + 1 + 7) / 8, uhub_intr, UHUB_INTR_INTERVAL);
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if (err) {
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device_printf(sc->sc_dev, "cannot open interrupt pipe\n");
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goto bad;
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}
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/* Wait with power off for a while. */
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usbd_delay_ms(dev, USB_POWER_DOWN_TIME);
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev);
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/*
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* To have the best chance of success we do things in the exact same
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* order as Windoze98. This should not be necessary, but some
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* devices do not follow the USB specs to the letter.
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*
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* These are the events on the bus when a hub is attached:
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* Get device and config descriptors (see attach code)
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* Get hub descriptor (see above)
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* For all ports
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* turn on power
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* wait for power to become stable
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* (all below happens in explore code)
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* For all ports
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* clear C_PORT_CONNECTION
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* For all ports
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* get port status
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* if device connected
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* wait 100 ms
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* turn on reset
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* wait
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* clear C_PORT_RESET
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* get port status
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* proceed with device attachment
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*/
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if (UHUB_IS_HIGH_SPEED(sc)) {
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tts = malloc((UHUB_IS_SINGLE_TT(sc) ? 1 : nports) *
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sizeof (struct usbd_tt), M_USBDEV, M_NOWAIT);
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if (!tts)
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goto bad;
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}
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/* Set up data structures */
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for (p = 0; p < nports; p++) {
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struct usbd_port *up = &hub->ports[p];
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up->device = NULL;
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up->parent = dev;
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up->portno = p+1;
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if (dev->self_powered)
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/* Self powered hub, give ports maximum current. */
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up->power = USB_MAX_POWER;
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else
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up->power = USB_MIN_POWER;
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up->restartcnt = 0;
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if (UHUB_IS_HIGH_SPEED(sc)) {
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up->tt = &tts[UHUB_IS_SINGLE_TT(sc) ? 0 : p];
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up->tt->hub = hub;
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} else {
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up->tt = NULL;
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}
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}
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/* XXX should check for none, individual, or ganged power? */
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pwrdly = dev->hub->hubdesc.bPwrOn2PwrGood * UHD_PWRON_FACTOR
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+ USB_EXTRA_POWER_UP_TIME;
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for (port = 1; port <= nports; port++) {
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/* Turn the power on. */
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err = usbd_set_port_feature(dev, port, UHF_PORT_POWER);
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if (err)
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device_printf(sc->sc_dev,
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"port %d power on failed, %s\n", port,
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usbd_errstr(err));
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DPRINTF(("usb_init_port: turn on port %d power\n", port));
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/* Wait for stable power. */
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usbd_delay_ms(dev, pwrdly);
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}
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/* The usual exploration will finish the setup. */
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sc->sc_running = 1;
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return (0);
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bad:
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if (hub)
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free(hub, M_USBDEV);
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dev->hub = NULL;
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return (ENXIO);
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}
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usbd_status
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uhub_explore(usbd_device_handle dev)
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{
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usb_hub_descriptor_t *hd = &dev->hub->hubdesc;
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struct uhub_softc *sc = dev->hub->hubsoftc;
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struct usbd_port *up;
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usbd_status err;
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int speed;
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int port;
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int change, status;
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DPRINTFN(10, ("uhub_explore dev=%p addr=%d\n", dev, dev->address));
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if (!sc->sc_running)
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return (USBD_NOT_STARTED);
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/* Ignore hubs that are too deep. */
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if (dev->depth > USB_HUB_MAX_DEPTH)
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return (USBD_TOO_DEEP);
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for(port = 1; port <= hd->bNbrPorts; port++) {
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up = &dev->hub->ports[port-1];
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err = usbd_get_port_status(dev, port, &up->status);
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if (err) {
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DPRINTF(("uhub_explore: get port status failed, "
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"error=%s\n", usbd_errstr(err)));
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continue;
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}
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status = UGETW(up->status.wPortStatus);
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change = UGETW(up->status.wPortChange);
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DEVPRINTFN(3,(sc->sc_dev,
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"uhub_explore: port %d status 0x%04x 0x%04x\n", port,
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status, change));
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if (change & UPS_C_PORT_ENABLED) {
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DPRINTF(("uhub_explore: C_PORT_ENABLED 0x%x\n", change));
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usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);
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if (change & UPS_C_CONNECT_STATUS) {
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/* Ignore the port error if the device
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vanished. */
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} else if (status & UPS_PORT_ENABLED) {
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device_printf(sc->sc_dev,
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"illegal enable change, port %d\n", port);
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} else {
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/* Port error condition. */
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if (up->restartcnt) /* no message first time */
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device_printf(sc->sc_dev,
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"port error, restarting port %d\n",
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port);
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if (up->restartcnt++ < USBD_RESTART_MAX)
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goto disco;
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else
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device_printf(sc->sc_dev,
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"port error, giving up port %d\n",
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port);
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}
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}
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if (!(change & UPS_C_CONNECT_STATUS)) {
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DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_"
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"STATUS\n", port));
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/* No status change, just do recursive explore. */
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if (up->device != NULL && up->device->hub != NULL)
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up->device->hub->explore(up->device);
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#if 0 && defined(DIAGNOSTIC)
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if (up->device == NULL &&
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(status & UPS_CURRENT_CONNECT_STATUS))
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deivce_printf(sc->sc_dev,
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"connected, no device\n");
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#endif
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continue;
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}
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/* We have a connect status change, handle it. */
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DPRINTF(("uhub_explore: status change hub=%d port=%d\n",
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dev->address, port));
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usbd_clear_port_feature(dev, port, UHF_C_PORT_CONNECTION);
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/*usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);*/
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/*
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* If there is already a device on the port the change status
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* must mean that is has disconnected. Looking at the
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* current connect status is not enough to figure this out
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* since a new unit may have been connected before we handle
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* the disconnect.
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*/
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disco:
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if (up->device != NULL) {
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/* Disconnected */
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DPRINTF(("uhub_explore: device addr=%d disappeared "
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"on port %d\n", up->device->address, port));
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usb_disconnect_port(up, sc->sc_dev);
|
|
usbd_clear_port_feature(dev, port,
|
|
UHF_C_PORT_CONNECTION);
|
|
}
|
|
if (!(status & UPS_CURRENT_CONNECT_STATUS)) {
|
|
/* Nothing connected, just ignore it. */
|
|
DPRINTFN(3,("uhub_explore: port=%d !CURRENT_CONNECT"
|
|
"_STATUS\n", port));
|
|
continue;
|
|
}
|
|
|
|
/* Connected */
|
|
|
|
if (!(status & UPS_PORT_POWER))
|
|
device_printf(sc->sc_dev,
|
|
"strange, connected port %d has no power\n", port);
|
|
|
|
/* Wait for maximum device power up time. */
|
|
usbd_delay_ms(dev, USB_PORT_POWERUP_DELAY);
|
|
|
|
/* Reset port, which implies enabling it. */
|
|
if (usbd_reset_port(dev, port, &up->status)) {
|
|
device_printf(sc->sc_dev, "port %d reset failed\n",
|
|
port);
|
|
continue;
|
|
}
|
|
/* Get port status again, it might have changed during reset */
|
|
err = usbd_get_port_status(dev, port, &up->status);
|
|
if (err) {
|
|
DPRINTF(("uhub_explore: get port status failed, "
|
|
"error=%s\n", usbd_errstr(err)));
|
|
continue;
|
|
}
|
|
status = UGETW(up->status.wPortStatus);
|
|
change = UGETW(up->status.wPortChange);
|
|
if (!(status & UPS_CURRENT_CONNECT_STATUS)) {
|
|
/* Nothing connected, just ignore it. */
|
|
#ifdef DIAGNOSTIC
|
|
device_printf(sc->sc_dev,
|
|
"port %d, device disappeared after reset\n", port);
|
|
#endif
|
|
continue;
|
|
}
|
|
|
|
#if 0
|
|
if (UHUB_IS_HIGH_SPEED(sc) && !(status & UPS_HIGH_SPEED)) {
|
|
device_printf(sc->sc_dev,
|
|
"port %d, transaction translation not implemented,"
|
|
" low/full speed device ignored\n", port);
|
|
continue;
|
|
}
|
|
#endif
|
|
|
|
/* Figure out device speed */
|
|
if (status & UPS_HIGH_SPEED)
|
|
speed = USB_SPEED_HIGH;
|
|
else if (status & UPS_LOW_SPEED)
|
|
speed = USB_SPEED_LOW;
|
|
else
|
|
speed = USB_SPEED_FULL;
|
|
/* Get device info and set its address. */
|
|
err = usbd_new_device(sc->sc_dev, dev->bus,
|
|
dev->depth + 1, speed, port, up);
|
|
/* XXX retry a few times? */
|
|
if (err) {
|
|
DPRINTFN(-1,("uhub_explore: usb_new_device failed, "
|
|
"error=%s\n", usbd_errstr(err)));
|
|
/* Avoid addressing problems by disabling. */
|
|
/* usbd_reset_port(dev, port, &up->status); */
|
|
|
|
/*
|
|
* The unit refused to accept a new address, or had
|
|
* some other serious problem. Since we cannot leave
|
|
* at 0 we have to disable the port instead.
|
|
*/
|
|
device_printf(sc->sc_dev,
|
|
"device problem (%s), disabling port %d\n",
|
|
usbd_errstr(err), port);
|
|
usbd_clear_port_feature(dev, port, UHF_PORT_ENABLE);
|
|
} else {
|
|
/* The port set up succeeded, reset error count. */
|
|
up->restartcnt = 0;
|
|
|
|
if (up->device->hub)
|
|
up->device->hub->explore(up->device);
|
|
}
|
|
}
|
|
return (USBD_NORMAL_COMPLETION);
|
|
}
|
|
|
|
/*
|
|
* Called from process context when the hub is gone.
|
|
* Detach all devices on active ports.
|
|
*/
|
|
static int
|
|
uhub_detach(device_t self)
|
|
{
|
|
struct uhub_softc *sc = device_get_softc(self);
|
|
struct usbd_hub *hub = sc->sc_hub->hub;
|
|
struct usbd_port *rup;
|
|
int port, nports;
|
|
|
|
DPRINTF(("uhub_detach: sc=%port\n", sc));
|
|
if (hub == NULL) /* Must be partially working */
|
|
return (0);
|
|
|
|
usbd_abort_pipe(sc->sc_ipipe);
|
|
usbd_close_pipe(sc->sc_ipipe);
|
|
|
|
nports = hub->hubdesc.bNbrPorts;
|
|
for(port = 0; port < nports; port++) {
|
|
rup = &hub->ports[port];
|
|
if (rup->device)
|
|
usb_disconnect_port(rup, self);
|
|
}
|
|
|
|
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_hub, sc->sc_dev);
|
|
|
|
if (hub->ports[0].tt)
|
|
free(hub->ports[0].tt, M_USBDEV);
|
|
free(hub, M_USBDEV);
|
|
sc->sc_hub->hub = NULL;
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
uhub_child_location_str(device_t cbdev, device_t child, char *buf,
|
|
size_t buflen)
|
|
{
|
|
struct uhub_softc *sc = device_get_softc(cbdev);
|
|
usbd_device_handle devhub = sc->sc_hub;
|
|
usbd_device_handle dev;
|
|
int nports;
|
|
int port;
|
|
int i;
|
|
|
|
mtx_lock(&Giant);
|
|
nports = devhub->hub->hubdesc.bNbrPorts;
|
|
for (port = 0; port < nports; port++) {
|
|
dev = devhub->hub->ports[port].device;
|
|
if (dev && dev->subdevs) {
|
|
for (i = 0; dev->subdevs[i]; i++) {
|
|
if (dev->subdevs[i] == child) {
|
|
if (dev->ifacenums == NULL) {
|
|
snprintf(buf, buflen,
|
|
"port=%i", port);
|
|
} else {
|
|
snprintf(buf, buflen,
|
|
"port=%i interface=%i",
|
|
port, dev->ifacenums[i]);
|
|
}
|
|
goto found_dev;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
DPRINTFN(0,("uhub_child_location_str: device not on hub\n"));
|
|
buf[0] = '\0';
|
|
found_dev:
|
|
mtx_unlock(&Giant);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
uhub_child_pnpinfo_str(device_t cbdev, device_t child, char *buf,
|
|
size_t buflen)
|
|
{
|
|
struct uhub_softc *sc = device_get_softc(cbdev);
|
|
usbd_device_handle devhub = sc->sc_hub;
|
|
usbd_device_handle dev;
|
|
struct usbd_interface *iface;
|
|
char serial[128];
|
|
int nports;
|
|
int port;
|
|
int i;
|
|
|
|
mtx_lock(&Giant);
|
|
nports = devhub->hub->hubdesc.bNbrPorts;
|
|
for (port = 0; port < nports; port++) {
|
|
dev = devhub->hub->ports[port].device;
|
|
if (dev && dev->subdevs) {
|
|
for (i = 0; dev->subdevs[i]; i++) {
|
|
if (dev->subdevs[i] == child) {
|
|
goto found_dev;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
DPRINTFN(0,("uhub_child_pnpinfo_str: device not on hub\n"));
|
|
buf[0] = '\0';
|
|
mtx_unlock(&Giant);
|
|
return (0);
|
|
|
|
found_dev:
|
|
/* XXX can sleep */
|
|
(void)usbd_get_string(dev, dev->ddesc.iSerialNumber, &serial[0]);
|
|
if (dev->ifacenums == NULL) {
|
|
snprintf(buf, buflen, "vendor=0x%04x product=0x%04x "
|
|
"devclass=0x%02x devsubclass=0x%02x "
|
|
"release=0x%04x sernum=\"%s\"",
|
|
UGETW(dev->ddesc.idVendor), UGETW(dev->ddesc.idProduct),
|
|
dev->ddesc.bDeviceClass, dev->ddesc.bDeviceSubClass,
|
|
UGETW(dev->ddesc.bcdDevice), serial);
|
|
} else {
|
|
iface = &dev->ifaces[dev->ifacenums[i]];
|
|
snprintf(buf, buflen, "vendor=0x%04x product=0x%04x "
|
|
"devclass=0x%02x devsubclass=0x%02x "
|
|
"release=0x%04x sernum=\"%s\" "
|
|
"intclass=0x%02x intsubclass=0x%02x",
|
|
UGETW(dev->ddesc.idVendor), UGETW(dev->ddesc.idProduct),
|
|
dev->ddesc.bDeviceClass, dev->ddesc.bDeviceSubClass,
|
|
UGETW(dev->ddesc.bcdDevice), serial,
|
|
iface->idesc->bInterfaceClass,
|
|
iface->idesc->bInterfaceSubClass);
|
|
}
|
|
mtx_unlock(&Giant);
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Hub interrupt.
|
|
* This an indication that some port has changed status.
|
|
* Notify the bus event handler thread that we need
|
|
* to be explored again.
|
|
*/
|
|
void
|
|
uhub_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
|
|
{
|
|
struct uhub_softc *sc = addr;
|
|
|
|
DPRINTFN(5,("uhub_intr: sc=%p\n", sc));
|
|
if (status == USBD_STALLED)
|
|
usbd_clear_endpoint_stall_async(sc->sc_ipipe);
|
|
else if (status == USBD_NORMAL_COMPLETION)
|
|
usb_needs_explore(sc->sc_hub);
|
|
}
|
|
|
|
MODULE_DEPEND(uhub, usb, 1, 1, 1);
|
|
DRIVER_MODULE(uhub, usb, uhubroot_driver, uhubroot_devclass, 0, 0);
|
|
DRIVER_MODULE(uhub, uhub, uhub_driver, uhub_devclass, usbd_driver_load, 0);
|