1 /* $NetBSD: uhub.c,v 1.68 2004/06/29 06:30:05 mycroft Exp $ */
2 /* $FreeBSD: src/sys/dev/usb/uhub.c,v 1.69.2.1 2005/12/18 15:51:31 iedowse Exp $ */
3 /* $DragonFly: src/sys/bus/usb/uhub.c,v 1.15 2007/06/28 06:32:31 hasso Exp $ */
6 * Copyright (c) 1998 The NetBSD Foundation, Inc.
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Lennart Augustsson (lennart@augustsson.net) at
11 * Carlstedt Research & Technology.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the NetBSD
24 * Foundation, Inc. and its contributors.
25 * 4. Neither the name of The NetBSD Foundation nor the names of its
26 * contributors may be used to endorse or promote products derived
27 * from this software without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
39 * POSSIBILITY OF SUCH DAMAGE.
43 * USB spec: http://www.usb.org/developers/docs/usbspec.zip
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/malloc.h>
50 #include <sys/module.h>
53 #include <sys/thread2.h>
54 #include <sys/sysctl.h>
56 #include <bus/usb/usb.h>
57 #include <bus/usb/usbdi.h>
58 #include <bus/usb/usbdi_util.h>
59 #include <bus/usb/usbdivar.h>
61 #define UHUB_INTR_INTERVAL 255 /* ms */
64 #define DPRINTF(x) if (uhubdebug) logprintf x
65 #define DPRINTFN(n,x) if (uhubdebug>(n)) logprintf x
67 SYSCTL_NODE(_hw_usb
, OID_AUTO
, uhub
, CTLFLAG_RW
, 0, "USB uhub");
68 SYSCTL_INT(_hw_usb_uhub
, OID_AUTO
, debug
, CTLFLAG_RW
,
69 &uhubdebug
, 0, "uhub debug level");
76 device_t sc_dev
; /* base device */
77 usbd_device_handle sc_hub
; /* USB device */
78 usbd_pipe_handle sc_ipipe
; /* interrupt pipe */
79 u_int8_t sc_status
[1]; /* XXX more ports */
82 #define UHUB_PROTO(sc) ((sc)->sc_hub->ddesc.bDeviceProtocol)
83 #define UHUB_IS_HIGH_SPEED(sc) (UHUB_PROTO(sc) != UDPROTO_FSHUB)
84 #define UHUB_IS_SINGLE_TT(sc) (UHUB_PROTO(sc) == UDPROTO_HSHUBSTT)
86 static usbd_status
uhub_explore(usbd_device_handle hub
);
87 static void uhub_intr(usbd_xfer_handle
, usbd_private_handle
,usbd_status
);
89 static bus_child_detached_t uhub_child_detached
;
90 static bus_child_location_str_t uhub_child_location_str
;
91 static bus_child_pnpinfo_str_t uhub_child_pnpinfo_str
;
94 * We need two attachment points:
95 * hub to usb and hub to hub
96 * Every other driver only connects to hubs
99 USB_DECLARE_DRIVER_INIT(uhub
,
100 DEVMETHOD(bus_child_detached
, uhub_child_detached
),
101 DEVMETHOD(bus_child_pnpinfo_str
, uhub_child_pnpinfo_str
),
102 DEVMETHOD(bus_child_location_str
, uhub_child_location_str
),
103 DEVMETHOD(bus_driver_added
, bus_generic_driver_added
),
104 DEVMETHOD(device_suspend
, bus_generic_suspend
),
105 DEVMETHOD(device_resume
, bus_generic_resume
),
106 DEVMETHOD(device_shutdown
, bus_generic_shutdown
)
109 /* Create the driver instance for the hub connected to usb case. */
110 devclass_t uhubroot_devclass
;
112 static device_method_t uhubroot_methods
[] = {
113 DEVMETHOD(bus_child_detached
, uhub_child_detached
),
114 DEVMETHOD(bus_child_location_str
, uhub_child_location_str
),
115 DEVMETHOD(bus_child_pnpinfo_str
, uhub_child_pnpinfo_str
),
116 DEVMETHOD(bus_driver_added
, bus_generic_driver_added
),
118 DEVMETHOD(device_probe
, uhub_match
),
119 DEVMETHOD(device_attach
, uhub_attach
),
120 DEVMETHOD(device_detach
, uhub_detach
),
121 DEVMETHOD(device_suspend
, bus_generic_suspend
),
122 DEVMETHOD(device_resume
, bus_generic_resume
),
123 DEVMETHOD(device_shutdown
, bus_generic_shutdown
),
127 static driver_t uhubroot_driver
= {
130 sizeof(struct uhub_softc
)
135 USB_MATCH_START(uhub
, uaa
);
136 usb_device_descriptor_t
*dd
= usbd_get_device_descriptor(uaa
->device
);
138 DPRINTFN(5,("uhub_match, dd=%p\n", dd
));
140 * The subclass for hubs seems to be 0 for some and 1 for others,
141 * so we just ignore the subclass.
143 if (uaa
->iface
== NULL
&& dd
->bDeviceClass
== UDCLASS_HUB
)
144 return (UMATCH_DEVCLASS_DEVSUBCLASS
);
145 return (UMATCH_NONE
);
150 USB_ATTACH_START(uhub
, sc
, uaa
);
151 usbd_device_handle dev
= uaa
->device
;
154 struct usbd_hub
*hub
= NULL
;
155 usb_device_request_t req
;
156 usb_hub_descriptor_t hubdesc
;
157 int p
, port
, nports
, nremov
, pwrdly
;
158 usbd_interface_handle iface
;
159 usb_endpoint_descriptor_t
*ed
;
160 struct usbd_tt
*tts
= NULL
;
162 devinfo
= kmalloc(1024, M_TEMP
, M_WAITOK
);
163 DPRINTFN(1,("uhub_attach\n"));
165 usbd_devinfo(dev
, 1, devinfo
);
168 if (dev
->depth
> 0 && UHUB_IS_HIGH_SPEED(sc
)) {
169 kprintf("%s: %s transaction translator%s\n",
170 device_get_nameunit(sc
->sc_dev
),
171 UHUB_IS_SINGLE_TT(sc
) ? "single" : "multiple",
172 UHUB_IS_SINGLE_TT(sc
) ? "" : "s");
174 err
= usbd_set_config_index(dev
, 0, 1);
176 DPRINTF(("%s: configuration failed, error=%s\n",
177 device_get_nameunit(sc
->sc_dev
), usbd_errstr(err
)));
178 kfree(devinfo
, M_TEMP
);
179 USB_ATTACH_ERROR_RETURN
;
182 if (dev
->depth
> USB_HUB_MAX_DEPTH
) {
183 kprintf("%s: hub depth (%d) exceeded, hub ignored\n",
184 device_get_nameunit(sc
->sc_dev
), USB_HUB_MAX_DEPTH
);
185 kfree(devinfo
, M_TEMP
);
186 USB_ATTACH_ERROR_RETURN
;
189 /* Get hub descriptor. */
190 req
.bmRequestType
= UT_READ_CLASS_DEVICE
;
191 req
.bRequest
= UR_GET_DESCRIPTOR
;
192 USETW2(req
.wValue
, (dev
->address
> 1 ? UDESC_HUB
: 0), 0);
193 USETW(req
.wIndex
, 0);
194 USETW(req
.wLength
, USB_HUB_DESCRIPTOR_SIZE
);
195 DPRINTFN(1,("usb_init_hub: getting hub descriptor\n"));
196 err
= usbd_do_request(dev
, &req
, &hubdesc
);
197 nports
= hubdesc
.bNbrPorts
;
198 if (!err
&& nports
> 7) {
199 USETW(req
.wLength
, USB_HUB_DESCRIPTOR_SIZE
+ (nports
+1) / 8);
200 err
= usbd_do_request(dev
, &req
, &hubdesc
);
203 DPRINTF(("%s: getting hub descriptor failed, error=%s\n",
204 device_get_nameunit(sc
->sc_dev
), usbd_errstr(err
)));
205 kfree(devinfo
, M_TEMP
);
206 USB_ATTACH_ERROR_RETURN
;
209 for (nremov
= 0, port
= 1; port
<= nports
; port
++)
210 if (!UHD_NOT_REMOV(&hubdesc
, port
))
212 kprintf("%s: %d port%s with %d removable, %s powered\n",
213 device_get_nameunit(sc
->sc_dev
), nports
, nports
!= 1 ? "s" : "",
214 nremov
, dev
->self_powered
? "self" : "bus");
217 kprintf("%s: no ports, hub ignored\n", device_get_nameunit(sc
->sc_dev
));
221 hub
= kmalloc(sizeof(*hub
) + (nports
-1) * sizeof(struct usbd_port
),
224 dev
->hub
->hubsoftc
= sc
;
225 hub
->explore
= uhub_explore
;
226 hub
->hubdesc
= hubdesc
;
228 DPRINTFN(1,("usbhub_init_hub: selfpowered=%d, parent=%p, "
229 "parent->selfpowered=%d\n",
230 dev
->self_powered
, dev
->powersrc
->parent
,
231 dev
->powersrc
->parent
?
232 dev
->powersrc
->parent
->self_powered
: 0));
234 if (!dev
->self_powered
&& dev
->powersrc
->parent
!= NULL
&&
235 !dev
->powersrc
->parent
->self_powered
) {
236 kprintf("%s: bus powered hub connected to bus powered hub, "
237 "ignored\n", device_get_nameunit(sc
->sc_dev
));
241 /* Set up interrupt pipe. */
242 err
= usbd_device2interface_handle(dev
, 0, &iface
);
244 kprintf("%s: no interface handle\n", device_get_nameunit(sc
->sc_dev
));
247 ed
= usbd_interface2endpoint_descriptor(iface
, 0);
249 kprintf("%s: no endpoint descriptor\n", device_get_nameunit(sc
->sc_dev
));
252 if ((ed
->bmAttributes
& UE_XFERTYPE
) != UE_INTERRUPT
) {
253 kprintf("%s: bad interrupt endpoint\n", device_get_nameunit(sc
->sc_dev
));
257 err
= usbd_open_pipe_intr(iface
, ed
->bEndpointAddress
,
258 USBD_SHORT_XFER_OK
, &sc
->sc_ipipe
, sc
, sc
->sc_status
,
259 sizeof(sc
->sc_status
), uhub_intr
, UHUB_INTR_INTERVAL
);
261 kprintf("%s: cannot open interrupt pipe\n",
262 device_get_nameunit(sc
->sc_dev
));
266 /* Wait with power off for a while. */
267 usbd_delay_ms(dev
, USB_POWER_DOWN_TIME
);
269 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH
, dev
, sc
->sc_dev
);
272 * To have the best chance of success we do things in the exact same
273 * order as Windoze98. This should not be necessary, but some
274 * devices do not follow the USB specs to the letter.
276 * These are the events on the bus when a hub is attached:
277 * Get device and config descriptors (see attach code)
278 * Get hub descriptor (see above)
281 * wait for power to become stable
282 * (all below happens in explore code)
284 * clear C_PORT_CONNECTION
287 * if device connected
293 * proceed with device attachment
296 if (UHUB_IS_HIGH_SPEED(sc
)) {
297 tts
= kmalloc((UHUB_IS_SINGLE_TT(sc
) ? 1 : nports
) *
298 sizeof(struct usbd_tt
), M_USBDEV
, M_WAITOK
);
301 /* Set up data structures */
302 for (p
= 0; p
< nports
; p
++) {
303 struct usbd_port
*up
= &hub
->ports
[p
];
307 if (dev
->self_powered
)
308 /* Self powered hub, give ports maximum current. */
309 up
->power
= USB_MAX_POWER
;
311 up
->power
= USB_MIN_POWER
;
313 if (UHUB_IS_HIGH_SPEED(sc
)) {
314 up
->tt
= &tts
[UHUB_IS_SINGLE_TT(sc
) ? 0 : p
];
321 /* XXX should check for none, individual, or ganged power? */
323 pwrdly
= dev
->hub
->hubdesc
.bPwrOn2PwrGood
* UHD_PWRON_FACTOR
324 + USB_EXTRA_POWER_UP_TIME
;
325 for (port
= 1; port
<= nports
; port
++) {
326 /* Turn the power on. */
327 err
= usbd_set_port_feature(dev
, port
, UHF_PORT_POWER
);
329 kprintf("%s: port %d power on failed, %s\n",
330 device_get_nameunit(sc
->sc_dev
), port
,
332 DPRINTF(("usb_init_port: turn on port %d power\n", port
));
333 /* Wait for stable power. */
334 usbd_delay_ms(dev
, pwrdly
);
337 /* The usual exploration will finish the setup. */
341 USB_ATTACH_SUCCESS_RETURN
;
345 kfree(hub
, M_USBDEV
);
346 kfree(devinfo
, M_TEMP
);
348 USB_ATTACH_ERROR_RETURN
;
352 uhub_explore(usbd_device_handle dev
)
354 usb_hub_descriptor_t
*hd
= &dev
->hub
->hubdesc
;
355 struct uhub_softc
*sc
= dev
->hub
->hubsoftc
;
356 struct usbd_port
*up
;
362 DPRINTFN(10, ("uhub_explore dev=%p addr=%d\n", dev
, dev
->address
));
365 return (USBD_NOT_STARTED
);
367 /* Ignore hubs that are too deep. */
368 if (dev
->depth
> USB_HUB_MAX_DEPTH
)
369 return (USBD_TOO_DEEP
);
371 for(port
= 1; port
<= hd
->bNbrPorts
; port
++) {
372 up
= &dev
->hub
->ports
[port
-1];
373 err
= usbd_get_port_status(dev
, port
, &up
->status
);
375 DPRINTF(("uhub_explore: get port status failed, "
376 "error=%s\n", usbd_errstr(err
)));
379 status
= UGETW(up
->status
.wPortStatus
);
380 change
= UGETW(up
->status
.wPortChange
);
381 DPRINTFN(3,("uhub_explore: %s port %d status 0x%04x 0x%04x\n",
382 device_get_nameunit(sc
->sc_dev
), port
, status
, change
));
383 if (change
& UPS_C_PORT_ENABLED
) {
384 DPRINTF(("uhub_explore: C_PORT_ENABLED 0x%x\n", change
));
385 usbd_clear_port_feature(dev
, port
, UHF_C_PORT_ENABLE
);
386 if (change
& UPS_C_CONNECT_STATUS
) {
387 /* Ignore the port error if the device
389 } else if (status
& UPS_PORT_ENABLED
) {
390 kprintf("%s: illegal enable change, port %d\n",
391 device_get_nameunit(sc
->sc_dev
), port
);
393 /* Port error condition. */
394 if (up
->restartcnt
) /* no message first time */
395 kprintf("%s: port error, restarting "
397 device_get_nameunit(sc
->sc_dev
), port
);
399 if (up
->restartcnt
++ < USBD_RESTART_MAX
)
402 kprintf("%s: port error, giving up "
404 device_get_nameunit(sc
->sc_dev
), port
);
407 if (!(change
& UPS_C_CONNECT_STATUS
)) {
408 DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_"
410 /* No status change, just do recursive explore. */
411 if (up
->device
!= NULL
&& up
->device
->hub
!= NULL
)
412 up
->device
->hub
->explore(up
->device
);
413 #if 0 && defined(DIAGNOSTIC)
414 if (up
->device
== NULL
&&
415 (status
& UPS_CURRENT_CONNECT_STATUS
))
416 kprintf("%s: connected, no device\n",
417 device_get_nameunit(sc
->sc_dev
));
422 /* We have a connect status change, handle it. */
424 DPRINTF(("uhub_explore: status change hub=%d port=%d\n",
425 dev
->address
, port
));
426 usbd_clear_port_feature(dev
, port
, UHF_C_PORT_CONNECTION
);
427 /*usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);*/
429 * If there is already a device on the port the change status
430 * must mean that is has disconnected. Looking at the
431 * current connect status is not enough to figure this out
432 * since a new unit may have been connected before we handle
436 if (up
->device
!= NULL
) {
438 DPRINTF(("uhub_explore: device addr=%d disappeared "
439 "on port %d\n", up
->device
->address
, port
));
440 usb_disconnect_port(up
, sc
->sc_dev
);
441 usbd_clear_port_feature(dev
, port
,
442 UHF_C_PORT_CONNECTION
);
444 if (!(status
& UPS_CURRENT_CONNECT_STATUS
)) {
445 /* Nothing connected, just ignore it. */
446 DPRINTFN(3,("uhub_explore: port=%d !CURRENT_CONNECT"
453 if (!(status
& UPS_PORT_POWER
))
454 kprintf("%s: strange, connected port %d has no power\n",
455 device_get_nameunit(sc
->sc_dev
), port
);
457 /* Wait for maximum device power up time. */
458 usbd_delay_ms(dev
, USB_PORT_POWERUP_DELAY
);
460 /* Reset port, which implies enabling it. */
461 if (usbd_reset_port(dev
, port
, &up
->status
)) {
462 kprintf("%s: port %d reset failed\n",
463 device_get_nameunit(sc
->sc_dev
), port
);
466 /* Get port status again, it might have changed during reset */
467 err
= usbd_get_port_status(dev
, port
, &up
->status
);
469 DPRINTF(("uhub_explore: get port status failed, "
470 "error=%s\n", usbd_errstr(err
)));
473 status
= UGETW(up
->status
.wPortStatus
);
474 change
= UGETW(up
->status
.wPortChange
);
475 if (!(status
& UPS_CURRENT_CONNECT_STATUS
)) {
476 /* Nothing connected, just ignore it. */
478 kprintf("%s: port %d, device disappeared after reset\n",
479 device_get_nameunit(sc
->sc_dev
), port
);
485 if (UHUB_IS_HIGH_SPEED(sc
) && !(status
& UPS_HIGH_SPEED
)) {
486 kprintf("%s: port %d, transaction translation not "
487 "implemented, low/full speed device ignored\n",
488 device_get_nameunit(sc
->sc_dev
), port
);
493 /* Figure out device speed */
494 if (status
& UPS_HIGH_SPEED
)
495 speed
= USB_SPEED_HIGH
;
496 else if (status
& UPS_LOW_SPEED
)
497 speed
= USB_SPEED_LOW
;
499 speed
= USB_SPEED_FULL
;
500 /* Get device info and set its address. */
501 err
= usbd_new_device(sc
->sc_dev
, dev
->bus
,
502 dev
->depth
+ 1, speed
, port
, up
);
503 /* XXX retry a few times? */
505 DPRINTFN(-1,("uhub_explore: usb_new_device failed, "
506 "error=%s\n", usbd_errstr(err
)));
507 /* Avoid addressing problems by disabling. */
508 /* usbd_reset_port(dev, port, &up->status); */
511 * The unit refused to accept a new address, or had
512 * some other serious problem. Since we cannot leave
513 * at 0 we have to disable the port instead.
515 kprintf("%s: device problem (%s), disabling port %d\n",
516 device_get_nameunit(sc
->sc_dev
), usbd_errstr(err
), port
);
517 usbd_clear_port_feature(dev
, port
, UHF_PORT_ENABLE
);
519 /* The port set up succeeded, reset error count. */
523 up
->device
->hub
->explore(up
->device
);
526 return (USBD_NORMAL_COMPLETION
);
530 * Called from process context when the hub is gone.
531 * Detach all devices on active ports.
535 USB_DETACH_START(uhub
, sc
);
536 struct usbd_hub
*hub
= sc
->sc_hub
->hub
;
537 struct usbd_port
*rup
;
540 DPRINTF(("uhub_detach: sc=%port\n", sc
));
544 if (hub
== NULL
) { /* Must be partially working */
549 usbd_abort_pipe(sc
->sc_ipipe
);
550 usbd_close_pipe(sc
->sc_ipipe
);
552 nports
= hub
->hubdesc
.bNbrPorts
;
553 for(port
= 0; port
< nports
; port
++) {
554 rup
= &hub
->ports
[port
];
556 usb_disconnect_port(rup
, self
);
559 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH
, sc
->sc_hub
,
562 if (hub
->ports
[0].tt
)
563 kfree(hub
->ports
[0].tt
, M_USBDEV
);
564 kfree(hub
, M_USBDEV
);
565 sc
->sc_hub
->hub
= NULL
;
573 uhub_child_location_str(device_t cbdev
, device_t child
, char *buf
,
576 struct uhub_softc
*sc
= device_get_softc(cbdev
);
577 usbd_device_handle devhub
= sc
->sc_hub
;
578 usbd_device_handle dev
;
584 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
585 for (port
= 0; port
< nports
; port
++) {
586 dev
= devhub
->hub
->ports
[port
].device
;
587 if (dev
&& dev
->subdevs
) {
588 for (i
= 0; dev
->subdevs
[i
]; i
++) {
589 if (dev
->subdevs
[i
] == child
) {
590 if (dev
->ifacenums
== NULL
) {
591 ksnprintf(buf
, buflen
,
594 ksnprintf(buf
, buflen
,
595 "port=%i interface=%i",
596 port
, dev
->ifacenums
[i
]);
603 DPRINTFN(0,("uhub_child_location_str: device not on hub\n"));
611 uhub_child_pnpinfo_str(device_t cbdev
, device_t child
, char *buf
,
614 struct uhub_softc
*sc
= device_get_softc(cbdev
);
615 usbd_device_handle devhub
= sc
->sc_hub
;
616 usbd_device_handle dev
;
617 struct usbd_interface
*iface
;
624 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
625 for (port
= 0; port
< nports
; port
++) {
626 dev
= devhub
->hub
->ports
[port
].device
;
627 if (dev
&& dev
->subdevs
) {
628 for (i
= 0; dev
->subdevs
[i
]; i
++) {
629 if (dev
->subdevs
[i
] == child
) {
635 DPRINTFN(0,("uhub_child_pnpinfo_str: device not on hub\n"));
642 (void)usbd_get_string(dev
, dev
->ddesc
.iSerialNumber
, &serial
[0]);
643 if (dev
->ifacenums
== NULL
) {
644 ksnprintf(buf
, buflen
, "vendor=0x%04x product=0x%04x "
645 "devclass=0x%02x devsubclass=0x%02x "
646 "release=0x%04x sernum=\"%s\"",
647 UGETW(dev
->ddesc
.idVendor
), UGETW(dev
->ddesc
.idProduct
),
648 dev
->ddesc
.bDeviceClass
, dev
->ddesc
.bDeviceSubClass
,
649 UGETW(dev
->ddesc
.bcdDevice
), serial
);
651 iface
= &dev
->ifaces
[dev
->ifacenums
[i
]];
652 ksnprintf(buf
, buflen
, "vendor=0x%04x product=0x%04x "
653 "devclass=0x%02x devsubclass=0x%02x "
654 "release=0x%04x sernum=\"%s\" "
655 "intclass=0x%02x intsubclass=0x%02x",
656 UGETW(dev
->ddesc
.idVendor
), UGETW(dev
->ddesc
.idProduct
),
657 dev
->ddesc
.bDeviceClass
, dev
->ddesc
.bDeviceSubClass
,
658 UGETW(dev
->ddesc
.bcdDevice
), serial
,
659 iface
->idesc
->bInterfaceClass
,
660 iface
->idesc
->bInterfaceSubClass
);
667 uhub_child_detached(device_t self
, device_t child
)
669 struct uhub_softc
*sc
= device_get_softc(self
);
670 usbd_device_handle devhub
= sc
->sc_hub
;
671 usbd_device_handle dev
= NULL
;
672 int nports
, port
, i
= 0;
675 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
676 for (port
= 0; port
< nports
; port
++) {
677 dev
= devhub
->hub
->ports
[port
].device
;
678 if (dev
&& dev
->subdevs
) {
679 for (i
= 0; dev
->subdevs
[i
]; ++i
) {
680 if (dev
->subdevs
[i
] == child
)
690 kprintf("%s: at %s", device_get_nameunit(dev
->subdevs
[i
]),
691 device_get_nameunit(self
));
693 kprintf(" port %d", port
);
694 kprintf(" (addr %d) disconnected\n", dev
->address
);
696 kfree(device_get_ivars(dev
->subdevs
[i
]), M_USB
);
697 dev
->subdevs
[i
] = NULL
;
703 * This an indication that some port has changed status.
704 * Notify the bus event handler thread that we need
705 * to be explored again.
708 uhub_intr(usbd_xfer_handle xfer
, usbd_private_handle addr
, usbd_status status
)
710 struct uhub_softc
*sc
= addr
;
712 DPRINTFN(5,("uhub_intr: sc=%p\n", sc
));
713 if (status
== USBD_STALLED
)
714 usbd_clear_endpoint_stall_async(sc
->sc_ipipe
);
715 else if (status
== USBD_NORMAL_COMPLETION
)
716 usb_needs_explore(sc
->sc_hub
);
719 DRIVER_MODULE(uhub
, usb
, uhubroot_driver
, uhubroot_devclass
, 0, 0);
720 DRIVER_MODULE(uhub
, uhub
, uhub_driver
, uhub_devclass
, usbd_driver_load
, 0);