diff options
Diffstat (limited to 'sys/dev/usb/uhub.c')
| -rw-r--r-- | sys/dev/usb/uhub.c | 703 |
1 files changed, 0 insertions, 703 deletions
diff --git a/sys/dev/usb/uhub.c b/sys/dev/usb/uhub.c deleted file mode 100644 index 86fbba2..0000000 --- a/sys/dev/usb/uhub.c +++ /dev/null @@ -1,703 +0,0 @@ -/* $NetBSD: uhub.c,v 1.68 2004/06/29 06:30:05 mycroft Exp $ */ - -/*- - * Copyright (c) 1998 The NetBSD Foundation, Inc. - * All rights reserved. - * - * This code is derived from software contributed to The NetBSD Foundation - * by Lennart Augustsson (lennart@augustsson.net) at - * Carlstedt Research & Technology. - * - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the NetBSD - * Foundation, Inc. and its contributors. - * 4. Neither the name of The NetBSD Foundation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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("$FreeBSD$"); - -/* - * USB spec: http://www.usb.org/developers/docs/usbspec.zip - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/kernel.h> -#include <sys/malloc.h> -#include <sys/module.h> -#include <sys/bus.h> -#include <sys/lock.h> -#include <sys/mutex.h> -#include <sys/sysctl.h> - -#include <machine/bus.h> - -#include <dev/usb/usb.h> -#include <dev/usb/usbdi.h> -#include <dev/usb/usbdi_util.h> -#include <dev/usb/usbdivar.h> - -#define UHUB_INTR_INTERVAL 255 /* ms */ - -#ifdef USB_DEBUG -#define DPRINTF(x) if (uhubdebug) printf x -#define DPRINTFN(n,x) if (uhubdebug > (n)) printf x -#define DEVPRINTF(x) if (uhubdebug) device_printf x -#define DEVPRINTFN(n, x)if (uhubdebug > (n)) device_printf x -int uhubdebug = 0; -SYSCTL_NODE(_hw_usb, OID_AUTO, uhub, CTLFLAG_RW, 0, "USB uhub"); -SYSCTL_INT(_hw_usb_uhub, OID_AUTO, debug, CTLFLAG_RW, - &uhubdebug, 0, "uhub debug level"); -#else -#define DPRINTF(x) -#define DPRINTFN(n,x) -#define DEVPRINTF(x) -#define DEVPRINTFN(n,x) -#endif - -struct uhub_softc { - device_t sc_dev; /* base device */ - usbd_device_handle sc_hub; /* USB device */ - usbd_pipe_handle sc_ipipe; /* interrupt pipe */ - u_int8_t sc_status[32]; /* max 255 ports */ - u_char sc_running; -}; -#define UHUB_PROTO(sc) ((sc)->sc_hub->ddesc.bDeviceProtocol) -#define UHUB_IS_HIGH_SPEED(sc) (UHUB_PROTO(sc) != UDPROTO_FSHUB) -#define UHUB_IS_SINGLE_TT(sc) (UHUB_PROTO(sc) == UDPROTO_HSHUBSTT) - -static usbd_status uhub_explore(usbd_device_handle hub); -static void uhub_intr(usbd_xfer_handle, usbd_private_handle,usbd_status); - -/* - * We need two attachment points: - * hub to usb and hub to hub - * Every other driver only connects to hubs - */ - -static device_probe_t uhub_match; -static device_attach_t uhub_attach; -static device_detach_t uhub_detach; -static bus_child_location_str_t uhub_child_location_str; -static bus_child_pnpinfo_str_t uhub_child_pnpinfo_str; - -static device_method_t uhub_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, uhub_match), - DEVMETHOD(device_attach, uhub_attach), - DEVMETHOD(device_detach, uhub_detach), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - - DEVMETHOD(bus_child_pnpinfo_str, uhub_child_pnpinfo_str), - DEVMETHOD(bus_child_location_str, uhub_child_location_str), - /* XXX driver_added needs special care */ - DEVMETHOD(bus_driver_added, bus_generic_driver_added), - { 0, 0 } -}; - -static driver_t uhub_driver = { - "uhub", - uhub_methods, - sizeof(struct uhub_softc) -}; - -static devclass_t uhub_devclass; - -/* Create the driver instance for the hub connected to usb case. */ -devclass_t uhubroot_devclass; - -static device_method_t uhubroot_methods[] = { - DEVMETHOD(device_probe, uhub_match), - DEVMETHOD(device_attach, uhub_attach), - DEVMETHOD(device_detach, uhub_detach), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - - DEVMETHOD(bus_child_location_str, uhub_child_location_str), - DEVMETHOD(bus_child_pnpinfo_str, uhub_child_pnpinfo_str), - /* XXX driver_added needs special care */ - DEVMETHOD(bus_driver_added, bus_generic_driver_added), - - {0,0} -}; - -static driver_t uhubroot_driver = { - "uhub", - uhubroot_methods, - sizeof(struct uhub_softc) -}; - -static int -uhub_match(device_t self) -{ - struct usb_attach_arg *uaa = device_get_ivars(self); - usb_device_descriptor_t *dd = usbd_get_device_descriptor(uaa->device); - - DPRINTFN(5,("uhub_match, dd=%p\n", dd)); - /* - * The subclass for hubs seems to be 0 for some and 1 for others, - * so we just ignore the subclass. - */ - if (uaa->iface == NULL && dd->bDeviceClass == UDCLASS_HUB) - return (UMATCH_DEVCLASS_DEVSUBCLASS); - return (UMATCH_NONE); -} - -int -uhub_attach(device_t self) -{ - struct uhub_softc *sc = device_get_softc(self); - struct usb_attach_arg *uaa = device_get_ivars(self); - usbd_device_handle dev = uaa->device; - usbd_status err; - struct usbd_hub *hub = NULL; - usb_device_request_t req; - usb_hub_descriptor_t hubdesc; - int p, port, nports, nremov, pwrdly; - usbd_interface_handle iface; - usb_endpoint_descriptor_t *ed; - struct usbd_tt *tts = NULL; - - DPRINTFN(1,("uhub_attach\n")); - sc->sc_hub = dev; - sc->sc_dev = self; - - if (dev->depth > 0 && UHUB_IS_HIGH_SPEED(sc)) { - device_printf(sc->sc_dev, "%s transaction translator%s\n", - UHUB_IS_SINGLE_TT(sc) ? "single" : "multiple", - UHUB_IS_SINGLE_TT(sc) ? "" : "s"); - } - err = usbd_set_config_index(dev, 0, 1); - if (err) { - DEVPRINTF((sc->sc_dev, "configuration failed, error=%s\n", - usbd_errstr(err))); - return (ENXIO); - } - - if (dev->depth > USB_HUB_MAX_DEPTH) { - device_printf(sc->sc_dev, "hub depth (%d) exceeded, hub ignored\n", - USB_HUB_MAX_DEPTH); - return (ENXIO); - } - - /* Get hub descriptor. */ - req.bmRequestType = UT_READ_CLASS_DEVICE; - req.bRequest = UR_GET_DESCRIPTOR; - USETW2(req.wValue, (dev->address > 1 ? UDESC_HUB : 0), 0); - USETW(req.wIndex, 0); - USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); - DPRINTFN(1,("usb_init_hub: getting hub descriptor\n")); - err = usbd_do_request(dev, &req, &hubdesc); - nports = hubdesc.bNbrPorts; - if (!err && nports > 7) { - USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE + (nports+1) / 8); - err = usbd_do_request(dev, &req, &hubdesc); - } - if (err) { - DEVPRINTF((sc->sc_dev, "getting hub descriptor failed: %s\n", - usbd_errstr(err))); - return (ENXIO); - } - - for (nremov = 0, port = 1; port <= nports; port++) - if (!UHD_NOT_REMOV(&hubdesc, port)) - nremov++; - device_printf(sc->sc_dev, "%d port%s with %d removable, %s powered\n", - nports, nports != 1 ? "s" : "", nremov, - dev->self_powered ? "self" : "bus"); - - if (nports == 0) { - device_printf(sc->sc_dev, "no ports, hub ignored\n"); - goto bad; - } - - hub = malloc(sizeof(*hub) + (nports-1) * sizeof(struct usbd_port), - M_USBDEV, M_NOWAIT); - if (hub == NULL) { - return (ENXIO); - } - dev->hub = hub; - dev->hub->hubsoftc = sc; - hub->explore = uhub_explore; - hub->hubdesc = hubdesc; - - DPRINTFN(1,("usbhub_init_hub: selfpowered=%d, parent=%p, " - "parent->selfpowered=%d\n", - dev->self_powered, dev->powersrc->parent, - dev->powersrc->parent ? - dev->powersrc->parent->self_powered : 0)); - - if (!dev->self_powered && dev->powersrc->parent != NULL && - !dev->powersrc->parent->self_powered) { - device_printf(sc->sc_dev, "bus powered hub connected to bus " - "powered hub, ignored\n"); - goto bad; - } - - /* Set up interrupt pipe. */ - err = usbd_device2interface_handle(dev, 0, &iface); - if (err) { - device_printf(sc->sc_dev, "no interface handle\n"); - goto bad; - } - ed = usbd_interface2endpoint_descriptor(iface, 0); - if (ed == NULL) { - device_printf(sc->sc_dev, "no endpoint descriptor\n"); - goto bad; - } - if ((ed->bmAttributes & UE_XFERTYPE) != UE_INTERRUPT) { - device_printf(sc->sc_dev, "bad interrupt endpoint\n"); - goto bad; - } - - err = usbd_open_pipe_intr(iface, ed->bEndpointAddress, - USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_status, - (nports + 1 + 7) / 8, uhub_intr, UHUB_INTR_INTERVAL); - if (err) { - device_printf(sc->sc_dev, "cannot open interrupt pipe\n"); - goto bad; - } - - /* Wait with power off for a while. */ - usbd_delay_ms(dev, USB_POWER_DOWN_TIME); - - usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, dev, sc->sc_dev); - - /* - * To have the best chance of success we do things in the exact same - * order as Windoze98. This should not be necessary, but some - * devices do not follow the USB specs to the letter. - * - * These are the events on the bus when a hub is attached: - * Get device and config descriptors (see attach code) - * Get hub descriptor (see above) - * For all ports - * turn on power - * wait for power to become stable - * (all below happens in explore code) - * For all ports - * clear C_PORT_CONNECTION - * For all ports - * get port status - * if device connected - * wait 100 ms - * turn on reset - * wait - * clear C_PORT_RESET - * get port status - * proceed with device attachment - */ - - if (UHUB_IS_HIGH_SPEED(sc)) { - tts = malloc((UHUB_IS_SINGLE_TT(sc) ? 1 : nports) * - sizeof (struct usbd_tt), M_USBDEV, M_NOWAIT); - if (!tts) - goto bad; - } - - /* Set up data structures */ - for (p = 0; p < nports; p++) { - struct usbd_port *up = &hub->ports[p]; - up->device = NULL; - up->parent = dev; - up->portno = p+1; - if (dev->self_powered) - /* Self powered hub, give ports maximum current. */ - up->power = USB_MAX_POWER; - else - up->power = USB_MIN_POWER; - up->restartcnt = 0; - if (UHUB_IS_HIGH_SPEED(sc)) { - up->tt = &tts[UHUB_IS_SINGLE_TT(sc) ? 0 : p]; - up->tt->hub = hub; - } else { - up->tt = NULL; - } - } - - /* XXX should check for none, individual, or ganged power? */ - - pwrdly = dev->hub->hubdesc.bPwrOn2PwrGood * UHD_PWRON_FACTOR - + USB_EXTRA_POWER_UP_TIME; - for (port = 1; port <= nports; port++) { - /* Turn the power on. */ - err = usbd_set_port_feature(dev, port, UHF_PORT_POWER); - if (err) - device_printf(sc->sc_dev, - "port %d power on failed, %s\n", port, - usbd_errstr(err)); - DPRINTF(("usb_init_port: turn on port %d power\n", port)); - /* Wait for stable power. */ - usbd_delay_ms(dev, pwrdly); - } - - /* The usual exploration will finish the setup. */ - - sc->sc_running = 1; - return (0); - bad: - if (hub) - free(hub, M_USBDEV); - dev->hub = NULL; - return (ENXIO); -} - -usbd_status -uhub_explore(usbd_device_handle dev) -{ - usb_hub_descriptor_t *hd = &dev->hub->hubdesc; - struct uhub_softc *sc = dev->hub->hubsoftc; - struct usbd_port *up; - usbd_status err; - int speed; - int port; - int change, status; - - DPRINTFN(10, ("uhub_explore dev=%p addr=%d\n", dev, dev->address)); - - if (!sc->sc_running) - return (USBD_NOT_STARTED); - - /* Ignore hubs that are too deep. */ - if (dev->depth > USB_HUB_MAX_DEPTH) - return (USBD_TOO_DEEP); - - for(port = 1; port <= hd->bNbrPorts; port++) { - up = &dev->hub->ports[port-1]; - 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); - DEVPRINTFN(3,(sc->sc_dev, - "uhub_explore: port %d status 0x%04x 0x%04x\n", port, - status, change)); - if (change & UPS_C_PORT_ENABLED) { - DPRINTF(("uhub_explore: C_PORT_ENABLED 0x%x\n", change)); - usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE); - if (change & UPS_C_CONNECT_STATUS) { - /* Ignore the port error if the device - vanished. */ - } else if (status & UPS_PORT_ENABLED) { - device_printf(sc->sc_dev, - "illegal enable change, port %d\n", port); - } else { - /* Port error condition. */ - if (up->restartcnt) /* no message first time */ - device_printf(sc->sc_dev, - "port error, restarting port %d\n", - port); - - if (up->restartcnt++ < USBD_RESTART_MAX) - goto disco; - else - device_printf(sc->sc_dev, - "port error, giving up port %d\n", - port); - } - } - if (!(change & UPS_C_CONNECT_STATUS)) { - DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_" - "STATUS\n", port)); - /* No status change, just do recursive explore. */ - if (up->device != NULL && up->device->hub != NULL) - up->device->hub->explore(up->device); -#if 0 && defined(DIAGNOSTIC) - if (up->device == NULL && - (status & UPS_CURRENT_CONNECT_STATUS)) - deivce_printf(sc->sc_dev, - "connected, no device\n"); -#endif - continue; - } - - /* We have a connect status change, handle it. */ - - DPRINTF(("uhub_explore: status change hub=%d port=%d\n", - dev->address, port)); - usbd_clear_port_feature(dev, port, UHF_C_PORT_CONNECTION); - /*usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);*/ - /* - * If there is already a device on the port the change status - * must mean that is has disconnected. Looking at the - * current connect status is not enough to figure this out - * since a new unit may have been connected before we handle - * the disconnect. - */ - disco: - if (up->device != NULL) { - /* Disconnected */ - DPRINTF(("uhub_explore: device addr=%d disappeared " - "on port %d\n", up->device->address, port)); - 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, - sizeof(serial)); - 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); |
