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 1.11 2006/12/20 18:14:37 dillon 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 #if defined(__NetBSD__) || defined(__OpenBSD__)
51 #include <sys/device.h>
53 #elif defined(__FreeBSD__) || defined(__DragonFly__)
54 #include <sys/module.h>
58 #include <sys/mutex.h>
60 #include <sys/thread2.h>
63 #include <sys/sysctl.h>
65 #include <bus/usb/usb.h>
66 #include <bus/usb/usbdi.h>
67 #include <bus/usb/usbdi_util.h>
68 #include <bus/usb/usbdivar.h>
70 #define UHUB_INTR_INTERVAL 255 /* ms */
73 #define DPRINTF(x) if (uhubdebug) logprintf x
74 #define DPRINTFN(n,x) if (uhubdebug>(n)) logprintf x
76 SYSCTL_NODE(_hw_usb
, OID_AUTO
, uhub
, CTLFLAG_RW
, 0, "USB uhub");
77 SYSCTL_INT(_hw_usb_uhub
, OID_AUTO
, debug
, CTLFLAG_RW
,
78 &uhubdebug
, 0, "uhub debug level");
85 USBBASEDEVICE sc_dev
; /* base device */
86 usbd_device_handle sc_hub
; /* USB device */
87 usbd_pipe_handle sc_ipipe
; /* interrupt pipe */
88 u_int8_t sc_status
[1]; /* XXX more ports */
91 #define UHUB_PROTO(sc) ((sc)->sc_hub->ddesc.bDeviceProtocol)
92 #define UHUB_IS_HIGH_SPEED(sc) (UHUB_PROTO(sc) != UDPROTO_FSHUB)
93 #define UHUB_IS_SINGLE_TT(sc) (UHUB_PROTO(sc) == UDPROTO_HSHUBSTT)
95 Static usbd_status
uhub_explore(usbd_device_handle hub
);
96 Static
void uhub_intr(usbd_xfer_handle
, usbd_private_handle
,usbd_status
);
98 #if defined(__FreeBSD__) || defined(__DragonFly__)
99 Static bus_child_detached_t uhub_child_detached
;
100 Static bus_child_location_str_t uhub_child_location_str
;
101 Static bus_child_pnpinfo_str_t uhub_child_pnpinfo_str
;
106 * We need two attachment points:
107 * hub to usb and hub to hub
108 * Every other driver only connects to hubs
111 #if defined(__NetBSD__) || defined(__OpenBSD__)
112 USB_DECLARE_DRIVER(uhub
);
114 /* Create the driver instance for the hub connected to hub case */
115 CFATTACH_DECL(uhub_uhub
, sizeof(struct uhub_softc
),
116 uhub_match
, uhub_attach
, uhub_detach
, uhub_activate
);
117 #elif defined(__FreeBSD__) || defined(__DragonFly__)
118 USB_DECLARE_DRIVER_INIT(uhub
,
119 DEVMETHOD(bus_child_detached
, uhub_child_detached
),
120 DEVMETHOD(bus_child_pnpinfo_str
, uhub_child_pnpinfo_str
),
121 DEVMETHOD(bus_child_location_str
, uhub_child_location_str
),
122 DEVMETHOD(bus_driver_added
, bus_generic_driver_added
),
123 DEVMETHOD(device_suspend
, bus_generic_suspend
),
124 DEVMETHOD(device_resume
, bus_generic_resume
),
125 DEVMETHOD(device_shutdown
, bus_generic_shutdown
)
128 /* Create the driver instance for the hub connected to usb case. */
129 devclass_t uhubroot_devclass
;
131 Static device_method_t uhubroot_methods
[] = {
132 DEVMETHOD(bus_child_detached
, uhub_child_detached
),
133 DEVMETHOD(bus_child_location_str
, uhub_child_location_str
),
134 DEVMETHOD(bus_child_pnpinfo_str
, uhub_child_pnpinfo_str
),
135 DEVMETHOD(bus_driver_added
, bus_generic_driver_added
),
137 DEVMETHOD(device_probe
, uhub_match
),
138 DEVMETHOD(device_attach
, uhub_attach
),
139 DEVMETHOD(device_detach
, uhub_detach
),
140 DEVMETHOD(device_suspend
, bus_generic_suspend
),
141 DEVMETHOD(device_resume
, bus_generic_resume
),
142 DEVMETHOD(device_shutdown
, bus_generic_shutdown
),
146 Static driver_t uhubroot_driver
= {
149 sizeof(struct uhub_softc
)
155 USB_MATCH_START(uhub
, uaa
);
156 usb_device_descriptor_t
*dd
= usbd_get_device_descriptor(uaa
->device
);
158 DPRINTFN(5,("uhub_match, dd=%p\n", dd
));
160 * The subclass for hubs seems to be 0 for some and 1 for others,
161 * so we just ignore the subclass.
163 if (uaa
->iface
== NULL
&& dd
->bDeviceClass
== UDCLASS_HUB
)
164 return (UMATCH_DEVCLASS_DEVSUBCLASS
);
165 return (UMATCH_NONE
);
170 USB_ATTACH_START(uhub
, sc
, uaa
);
171 usbd_device_handle dev
= uaa
->device
;
174 struct usbd_hub
*hub
= NULL
;
175 usb_device_request_t req
;
176 usb_hub_descriptor_t hubdesc
;
177 int p
, port
, nports
, nremov
, pwrdly
;
178 usbd_interface_handle iface
;
179 usb_endpoint_descriptor_t
*ed
;
180 struct usbd_tt
*tts
= NULL
;
182 devinfo
= kmalloc(1024, M_TEMP
, M_WAITOK
);
183 DPRINTFN(1,("uhub_attach\n"));
185 usbd_devinfo(dev
, 1, devinfo
);
188 if (dev
->depth
> 0 && UHUB_IS_HIGH_SPEED(sc
)) {
189 printf("%s: %s transaction translator%s\n",
190 USBDEVNAME(sc
->sc_dev
),
191 UHUB_IS_SINGLE_TT(sc
) ? "single" : "multiple",
192 UHUB_IS_SINGLE_TT(sc
) ? "" : "s");
194 err
= usbd_set_config_index(dev
, 0, 1);
196 DPRINTF(("%s: configuration failed, error=%s\n",
197 USBDEVNAME(sc
->sc_dev
), usbd_errstr(err
)));
198 kfree(devinfo
, M_TEMP
);
199 USB_ATTACH_ERROR_RETURN
;
202 if (dev
->depth
> USB_HUB_MAX_DEPTH
) {
203 printf("%s: hub depth (%d) exceeded, hub ignored\n",
204 USBDEVNAME(sc
->sc_dev
), USB_HUB_MAX_DEPTH
);
205 kfree(devinfo
, M_TEMP
);
206 USB_ATTACH_ERROR_RETURN
;
209 /* Get hub descriptor. */
210 req
.bmRequestType
= UT_READ_CLASS_DEVICE
;
211 req
.bRequest
= UR_GET_DESCRIPTOR
;
212 USETW2(req
.wValue
, (dev
->address
> 1 ? UDESC_HUB
: 0), 0);
213 USETW(req
.wIndex
, 0);
214 USETW(req
.wLength
, USB_HUB_DESCRIPTOR_SIZE
);
215 DPRINTFN(1,("usb_init_hub: getting hub descriptor\n"));
216 err
= usbd_do_request(dev
, &req
, &hubdesc
);
217 nports
= hubdesc
.bNbrPorts
;
218 if (!err
&& nports
> 7) {
219 USETW(req
.wLength
, USB_HUB_DESCRIPTOR_SIZE
+ (nports
+1) / 8);
220 err
= usbd_do_request(dev
, &req
, &hubdesc
);
223 DPRINTF(("%s: getting hub descriptor failed, error=%s\n",
224 USBDEVNAME(sc
->sc_dev
), usbd_errstr(err
)));
225 kfree(devinfo
, M_TEMP
);
226 USB_ATTACH_ERROR_RETURN
;
229 for (nremov
= 0, port
= 1; port
<= nports
; port
++)
230 if (!UHD_NOT_REMOV(&hubdesc
, port
))
232 printf("%s: %d port%s with %d removable, %s powered\n",
233 USBDEVNAME(sc
->sc_dev
), nports
, nports
!= 1 ? "s" : "",
234 nremov
, dev
->self_powered
? "self" : "bus");
237 printf("%s: no ports, hub ignored\n", USBDEVNAME(sc
->sc_dev
));
241 hub
= kmalloc(sizeof(*hub
) + (nports
-1) * sizeof(struct usbd_port
),
244 dev
->hub
->hubsoftc
= sc
;
245 hub
->explore
= uhub_explore
;
246 hub
->hubdesc
= hubdesc
;
248 DPRINTFN(1,("usbhub_init_hub: selfpowered=%d, parent=%p, "
249 "parent->selfpowered=%d\n",
250 dev
->self_powered
, dev
->powersrc
->parent
,
251 dev
->powersrc
->parent
?
252 dev
->powersrc
->parent
->self_powered
: 0));
254 if (!dev
->self_powered
&& dev
->powersrc
->parent
!= NULL
&&
255 !dev
->powersrc
->parent
->self_powered
) {
256 printf("%s: bus powered hub connected to bus powered hub, "
257 "ignored\n", USBDEVNAME(sc
->sc_dev
));
261 /* Set up interrupt pipe. */
262 err
= usbd_device2interface_handle(dev
, 0, &iface
);
264 printf("%s: no interface handle\n", USBDEVNAME(sc
->sc_dev
));
267 ed
= usbd_interface2endpoint_descriptor(iface
, 0);
269 printf("%s: no endpoint descriptor\n", USBDEVNAME(sc
->sc_dev
));
272 if ((ed
->bmAttributes
& UE_XFERTYPE
) != UE_INTERRUPT
) {
273 printf("%s: bad interrupt endpoint\n", USBDEVNAME(sc
->sc_dev
));
277 err
= usbd_open_pipe_intr(iface
, ed
->bEndpointAddress
,
278 USBD_SHORT_XFER_OK
, &sc
->sc_ipipe
, sc
, sc
->sc_status
,
279 sizeof(sc
->sc_status
), uhub_intr
, UHUB_INTR_INTERVAL
);
281 printf("%s: cannot open interrupt pipe\n",
282 USBDEVNAME(sc
->sc_dev
));
286 /* Wait with power off for a while. */
287 usbd_delay_ms(dev
, USB_POWER_DOWN_TIME
);
289 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH
, dev
, USBDEV(sc
->sc_dev
));
292 * To have the best chance of success we do things in the exact same
293 * order as Windoze98. This should not be necessary, but some
294 * devices do not follow the USB specs to the letter.
296 * These are the events on the bus when a hub is attached:
297 * Get device and config descriptors (see attach code)
298 * Get hub descriptor (see above)
301 * wait for power to become stable
302 * (all below happens in explore code)
304 * clear C_PORT_CONNECTION
307 * if device connected
313 * proceed with device attachment
316 if (UHUB_IS_HIGH_SPEED(sc
)) {
317 tts
= kmalloc((UHUB_IS_SINGLE_TT(sc
) ? 1 : nports
) *
318 sizeof(struct usbd_tt
), M_USBDEV
, M_WAITOK
);
321 /* Set up data structures */
322 for (p
= 0; p
< nports
; p
++) {
323 struct usbd_port
*up
= &hub
->ports
[p
];
327 if (dev
->self_powered
)
328 /* Self powered hub, give ports maximum current. */
329 up
->power
= USB_MAX_POWER
;
331 up
->power
= USB_MIN_POWER
;
333 if (UHUB_IS_HIGH_SPEED(sc
)) {
334 up
->tt
= &tts
[UHUB_IS_SINGLE_TT(sc
) ? 0 : p
];
341 /* XXX should check for none, individual, or ganged power? */
343 pwrdly
= dev
->hub
->hubdesc
.bPwrOn2PwrGood
* UHD_PWRON_FACTOR
344 + USB_EXTRA_POWER_UP_TIME
;
345 for (port
= 1; port
<= nports
; port
++) {
346 /* Turn the power on. */
347 err
= usbd_set_port_feature(dev
, port
, UHF_PORT_POWER
);
349 printf("%s: port %d power on failed, %s\n",
350 USBDEVNAME(sc
->sc_dev
), port
,
352 DPRINTF(("usb_init_port: turn on port %d power\n", port
));
353 /* Wait for stable power. */
354 usbd_delay_ms(dev
, pwrdly
);
357 /* The usual exploration will finish the setup. */
361 USB_ATTACH_SUCCESS_RETURN
;
365 kfree(hub
, M_USBDEV
);
366 kfree(devinfo
, M_TEMP
);
368 USB_ATTACH_ERROR_RETURN
;
372 uhub_explore(usbd_device_handle dev
)
374 usb_hub_descriptor_t
*hd
= &dev
->hub
->hubdesc
;
375 struct uhub_softc
*sc
= dev
->hub
->hubsoftc
;
376 struct usbd_port
*up
;
382 DPRINTFN(10, ("uhub_explore dev=%p addr=%d\n", dev
, dev
->address
));
385 return (USBD_NOT_STARTED
);
387 /* Ignore hubs that are too deep. */
388 if (dev
->depth
> USB_HUB_MAX_DEPTH
)
389 return (USBD_TOO_DEEP
);
391 for(port
= 1; port
<= hd
->bNbrPorts
; port
++) {
392 up
= &dev
->hub
->ports
[port
-1];
393 err
= usbd_get_port_status(dev
, port
, &up
->status
);
395 DPRINTF(("uhub_explore: get port status failed, "
396 "error=%s\n", usbd_errstr(err
)));
399 status
= UGETW(up
->status
.wPortStatus
);
400 change
= UGETW(up
->status
.wPortChange
);
401 DPRINTFN(3,("uhub_explore: %s port %d status 0x%04x 0x%04x\n",
402 USBDEVNAME(sc
->sc_dev
), port
, status
, change
));
403 if (change
& UPS_C_PORT_ENABLED
) {
404 DPRINTF(("uhub_explore: C_PORT_ENABLED 0x%x\n", change
));
405 usbd_clear_port_feature(dev
, port
, UHF_C_PORT_ENABLE
);
406 if (change
& UPS_C_CONNECT_STATUS
) {
407 /* Ignore the port error if the device
409 } else if (status
& UPS_PORT_ENABLED
) {
410 printf("%s: illegal enable change, port %d\n",
411 USBDEVNAME(sc
->sc_dev
), port
);
413 /* Port error condition. */
414 if (up
->restartcnt
) /* no message first time */
415 printf("%s: port error, restarting "
417 USBDEVNAME(sc
->sc_dev
), port
);
419 if (up
->restartcnt
++ < USBD_RESTART_MAX
)
422 printf("%s: port error, giving up "
424 USBDEVNAME(sc
->sc_dev
), port
);
427 if (!(change
& UPS_C_CONNECT_STATUS
)) {
428 DPRINTFN(3,("uhub_explore: port=%d !C_CONNECT_"
430 /* No status change, just do recursive explore. */
431 if (up
->device
!= NULL
&& up
->device
->hub
!= NULL
)
432 up
->device
->hub
->explore(up
->device
);
433 #if 0 && defined(DIAGNOSTIC)
434 if (up
->device
== NULL
&&
435 (status
& UPS_CURRENT_CONNECT_STATUS
))
436 printf("%s: connected, no device\n",
437 USBDEVNAME(sc
->sc_dev
));
442 /* We have a connect status change, handle it. */
444 DPRINTF(("uhub_explore: status change hub=%d port=%d\n",
445 dev
->address
, port
));
446 usbd_clear_port_feature(dev
, port
, UHF_C_PORT_CONNECTION
);
447 /*usbd_clear_port_feature(dev, port, UHF_C_PORT_ENABLE);*/
449 * If there is already a device on the port the change status
450 * must mean that is has disconnected. Looking at the
451 * current connect status is not enough to figure this out
452 * since a new unit may have been connected before we handle
456 if (up
->device
!= NULL
) {
458 DPRINTF(("uhub_explore: device addr=%d disappeared "
459 "on port %d\n", up
->device
->address
, port
));
460 usb_disconnect_port(up
, USBDEV(sc
->sc_dev
));
461 usbd_clear_port_feature(dev
, port
,
462 UHF_C_PORT_CONNECTION
);
464 if (!(status
& UPS_CURRENT_CONNECT_STATUS
)) {
465 /* Nothing connected, just ignore it. */
466 DPRINTFN(3,("uhub_explore: port=%d !CURRENT_CONNECT"
473 if (!(status
& UPS_PORT_POWER
))
474 printf("%s: strange, connected port %d has no power\n",
475 USBDEVNAME(sc
->sc_dev
), port
);
477 /* Wait for maximum device power up time. */
478 usbd_delay_ms(dev
, USB_PORT_POWERUP_DELAY
);
480 /* Reset port, which implies enabling it. */
481 if (usbd_reset_port(dev
, port
, &up
->status
)) {
482 printf("%s: port %d reset failed\n",
483 USBDEVNAME(sc
->sc_dev
), port
);
486 /* Get port status again, it might have changed during reset */
487 err
= usbd_get_port_status(dev
, port
, &up
->status
);
489 DPRINTF(("uhub_explore: get port status failed, "
490 "error=%s\n", usbd_errstr(err
)));
493 status
= UGETW(up
->status
.wPortStatus
);
494 change
= UGETW(up
->status
.wPortChange
);
495 if (!(status
& UPS_CURRENT_CONNECT_STATUS
)) {
496 /* Nothing connected, just ignore it. */
498 printf("%s: port %d, device disappeared after reset\n",
499 USBDEVNAME(sc
->sc_dev
), port
);
505 if (UHUB_IS_HIGH_SPEED(sc
) && !(status
& UPS_HIGH_SPEED
)) {
506 printf("%s: port %d, transaction translation not "
507 "implemented, low/full speed device ignored\n",
508 USBDEVNAME(sc
->sc_dev
), port
);
513 /* Figure out device speed */
514 if (status
& UPS_HIGH_SPEED
)
515 speed
= USB_SPEED_HIGH
;
516 else if (status
& UPS_LOW_SPEED
)
517 speed
= USB_SPEED_LOW
;
519 speed
= USB_SPEED_FULL
;
520 /* Get device info and set its address. */
521 err
= usbd_new_device(USBDEV(sc
->sc_dev
), dev
->bus
,
522 dev
->depth
+ 1, speed
, port
, up
);
523 /* XXX retry a few times? */
525 DPRINTFN(-1,("uhub_explore: usb_new_device failed, "
526 "error=%s\n", usbd_errstr(err
)));
527 /* Avoid addressing problems by disabling. */
528 /* usbd_reset_port(dev, port, &up->status); */
531 * The unit refused to accept a new address, or had
532 * some other serious problem. Since we cannot leave
533 * at 0 we have to disable the port instead.
535 printf("%s: device problem (%s), disabling port %d\n",
536 USBDEVNAME(sc
->sc_dev
), usbd_errstr(err
), port
);
537 usbd_clear_port_feature(dev
, port
, UHF_PORT_ENABLE
);
539 /* The port set up succeeded, reset error count. */
543 up
->device
->hub
->explore(up
->device
);
546 return (USBD_NORMAL_COMPLETION
);
549 #if defined(__NetBSD__) || defined(__OpenBSD__)
551 uhub_activate(device_ptr_t self
, enum devact act
)
553 struct uhub_softc
*sc
= (struct uhub_softc
*)self
;
554 struct usbd_hub
*hub
= sc
->sc_hub
->hub
;
555 usbd_device_handle dev
;
562 case DVACT_DEACTIVATE
:
563 if (hub
== NULL
) /* malfunctioning hub */
565 nports
= hub
->hubdesc
.bNbrPorts
;
566 for(port
= 0; port
< nports
; port
++) {
567 dev
= hub
->ports
[port
].device
;
568 if (dev
!= NULL
&& dev
->subdevs
!= NULL
) {
569 for (i
= 0; dev
->subdevs
[i
] != NULL
; i
++)
570 config_deactivate(dev
->subdevs
[i
]);
580 * Called from process context when the hub is gone.
581 * Detach all devices on active ports.
585 USB_DETACH_START(uhub
, sc
);
586 struct usbd_hub
*hub
= sc
->sc_hub
->hub
;
587 struct usbd_port
*rup
;
590 #if defined(__NetBSD__) || defined(__OpenBSD__)
591 DPRINTF(("uhub_detach: sc=%p flags=%d\n", sc
, flags
));
592 #elif defined(__FreeBSD__) || defined(__DragonFly__)
593 DPRINTF(("uhub_detach: sc=%port\n", sc
));
598 if (hub
== NULL
) { /* Must be partially working */
603 usbd_abort_pipe(sc
->sc_ipipe
);
604 usbd_close_pipe(sc
->sc_ipipe
);
606 nports
= hub
->hubdesc
.bNbrPorts
;
607 for(port
= 0; port
< nports
; port
++) {
608 rup
= &hub
->ports
[port
];
610 usb_disconnect_port(rup
, self
);
613 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH
, sc
->sc_hub
,
616 if (hub
->ports
[0].tt
)
617 kfree(hub
->ports
[0].tt
, M_USBDEV
);
618 kfree(hub
, M_USBDEV
);
619 sc
->sc_hub
->hub
= NULL
;
626 #if defined(__FreeBSD__) || defined(__DragonFly__)
628 uhub_child_location_str(device_t cbdev
, device_t child
, char *buf
,
631 struct uhub_softc
*sc
= device_get_softc(cbdev
);
632 usbd_device_handle devhub
= sc
->sc_hub
;
633 usbd_device_handle dev
;
639 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
640 for (port
= 0; port
< nports
; port
++) {
641 dev
= devhub
->hub
->ports
[port
].device
;
642 if (dev
&& dev
->subdevs
) {
643 for (i
= 0; dev
->subdevs
[i
]; i
++) {
644 if (dev
->subdevs
[i
] == child
) {
645 if (dev
->ifacenums
== NULL
) {
646 ksnprintf(buf
, buflen
,
649 ksnprintf(buf
, buflen
,
650 "port=%i interface=%i",
651 port
, dev
->ifacenums
[i
]);
658 DPRINTFN(0,("uhub_child_location_str: device not on hub\n"));
666 uhub_child_pnpinfo_str(device_t cbdev
, device_t child
, char *buf
,
669 struct uhub_softc
*sc
= device_get_softc(cbdev
);
670 usbd_device_handle devhub
= sc
->sc_hub
;
671 usbd_device_handle dev
;
672 struct usbd_interface
*iface
;
679 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
680 for (port
= 0; port
< nports
; port
++) {
681 dev
= devhub
->hub
->ports
[port
].device
;
682 if (dev
&& dev
->subdevs
) {
683 for (i
= 0; dev
->subdevs
[i
]; i
++) {
684 if (dev
->subdevs
[i
] == child
) {
690 DPRINTFN(0,("uhub_child_pnpinfo_str: device not on hub\n"));
697 (void)usbd_get_string(dev
, dev
->ddesc
.iSerialNumber
, &serial
[0]);
698 if (dev
->ifacenums
== NULL
) {
699 ksnprintf(buf
, buflen
, "vendor=0x%04x product=0x%04x "
700 "devclass=0x%02x devsubclass=0x%02x "
701 "release=0x%04x sernum=\"%s\"",
702 UGETW(dev
->ddesc
.idVendor
), UGETW(dev
->ddesc
.idProduct
),
703 dev
->ddesc
.bDeviceClass
, dev
->ddesc
.bDeviceSubClass
,
704 UGETW(dev
->ddesc
.bcdDevice
), serial
);
706 iface
= &dev
->ifaces
[dev
->ifacenums
[i
]];
707 ksnprintf(buf
, buflen
, "vendor=0x%04x product=0x%04x "
708 "devclass=0x%02x devsubclass=0x%02x "
709 "release=0x%04x sernum=\"%s\" "
710 "intclass=0x%02x intsubclass=0x%02x",
711 UGETW(dev
->ddesc
.idVendor
), UGETW(dev
->ddesc
.idProduct
),
712 dev
->ddesc
.bDeviceClass
, dev
->ddesc
.bDeviceSubClass
,
713 UGETW(dev
->ddesc
.bcdDevice
), serial
,
714 iface
->idesc
->bInterfaceClass
,
715 iface
->idesc
->bInterfaceSubClass
);
722 uhub_child_detached(device_t self
, device_t child
)
724 struct uhub_softc
*sc
= device_get_softc(self
);
725 usbd_device_handle devhub
= sc
->sc_hub
;
726 usbd_device_handle dev
= NULL
;
727 int nports
, port
, i
= 0;
730 nports
= devhub
->hub
->hubdesc
.bNbrPorts
;
731 for (port
= 0; port
< nports
; port
++) {
732 dev
= devhub
->hub
->ports
[port
].device
;
733 if (dev
&& dev
->subdevs
) {
734 for (i
= 0; dev
->subdevs
[i
]; ++i
) {
735 if (dev
->subdevs
[i
] == child
)
745 printf("%s: at %s", USBDEVPTRNAME(dev
->subdevs
[i
]),
746 USBDEVPTRNAME(self
));
748 printf(" port %d", port
);
749 printf(" (addr %d) disconnected\n", dev
->address
);
751 kfree(device_get_ivars(dev
->subdevs
[i
]), M_USB
);
752 dev
->subdevs
[i
] = NULL
;
760 * This an indication that some port has changed status.
761 * Notify the bus event handler thread that we need
762 * to be explored again.
765 uhub_intr(usbd_xfer_handle xfer
, usbd_private_handle addr
, usbd_status status
)
767 struct uhub_softc
*sc
= addr
;
769 DPRINTFN(5,("uhub_intr: sc=%p\n", sc
));
770 if (status
== USBD_STALLED
)
771 usbd_clear_endpoint_stall_async(sc
->sc_ipipe
);
772 else if (status
== USBD_NORMAL_COMPLETION
)
773 usb_needs_explore(sc
->sc_hub
);
776 #if defined(__FreeBSD__) || defined(__DragonFly__)
777 DRIVER_MODULE(uhub
, usb
, uhubroot_driver
, uhubroot_devclass
, 0, 0);
778 DRIVER_MODULE(uhub
, uhub
, uhub_driver
, uhub_devclass
, usbd_driver_load
, 0);