1 /* $OpenBSD: usb_subr.c,v 1.37 2005/07/18 02:43:27 fgsch Exp $ */
2 /* $NetBSD: usb_subr.c,v 1.103 2003/01/10 11:19:13 augustss Exp $ */
3 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */
4
5 /*
6 * Copyright (c) 1998 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Lennart Augustsson (lennart@augustsson.net) at
11 * Carlstedt Research & Technology.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
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.
28 *
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.
40 */
41
42 #include <sys/param.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/malloc.h>
46 #if defined(__NetBSD__) || defined(__OpenBSD__)
47 #include <sys/device.h>
48 #include <sys/select.h>
49 #elif defined(__FreeBSD__)
50 #include <sys/module.h>
51 #include <sys/bus.h>
52 #endif
53 #include <sys/proc.h>
54
55 #include <machine/bus.h>
56
57 #include <dev/usb/usb.h>
58
59 #include <dev/usb/usbdi.h>
60 #include <dev/usb/usbdi_util.h>
61 #include <dev/usb/usbdivar.h>
62 #include <dev/usb/usbdevs.h>
63 #include <dev/usb/usb_quirks.h>
64
65 #if defined(__FreeBSD__)
66 #include <machine/clock.h>
67 #define delay(d) DELAY(d)
68 #endif
69
70 #ifdef USB_DEBUG
71 #define DPRINTF(x) do { if (usbdebug) logprintf x; } while (0)
72 #define DPRINTFN(n,x) do { if (usbdebug>(n)) logprintf x; } while (0)
73 extern int usbdebug;
74 #else
75 #define DPRINTF(x)
76 #define DPRINTFN(n,x)
77 #endif
78
79 Static usbd_status usbd_set_config(usbd_device_handle, int);
80 Static void usbd_devinfo_vp(usbd_device_handle, char *, char *, int);
81 Static char *usbd_get_string(usbd_device_handle, int, char *);
82 Static int usbd_getnewaddr(usbd_bus_handle bus);
83 #if defined(__NetBSD__)
84 Static int usbd_print(void *aux, const char *pnp);
85 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *);
86 #elif defined(__OpenBSD__)
87 Static int usbd_print(void *aux, const char *pnp);
88 Static int usbd_submatch(device_ptr_t, void *, void *);
89 #endif
90 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno);
91 Static void usbd_kill_pipe(usbd_pipe_handle);
92 Static usbd_status usbd_probe_and_attach(device_ptr_t parent,
93 usbd_device_handle dev, int port, int addr);
94
95 Static u_int32_t usb_cookie_no = 0;
96
97 #ifdef USBVERBOSE
98 typedef u_int16_t usb_vendor_id_t;
99 typedef u_int16_t usb_product_id_t;
100
101 /*
102 * Descriptions of of known vendors and devices ("products").
103 */
104 struct usb_knowndev {
105 usb_vendor_id_t vendor;
106 usb_product_id_t product;
107 int flags;
108 char *vendorname, *productname;
109 };
110 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */
111
112 #include <dev/usb/usbdevs_data.h>
113 #endif /* USBVERBOSE */
114
115 Static const char * const usbd_error_strs[] = {
116 "NORMAL_COMPLETION",
117 "IN_PROGRESS",
118 "PENDING_REQUESTS",
119 "NOT_STARTED",
120 "INVAL",
121 "NOMEM",
122 "CANCELLED",
123 "BAD_ADDRESS",
124 "IN_USE",
125 "NO_ADDR",
126 "SET_ADDR_FAILED",
127 "NO_POWER",
128 "TOO_DEEP",
129 "IOERROR",
130 "NOT_CONFIGURED",
131 "TIMEOUT",
132 "SHORT_XFER",
133 "STALLED",
134 "INTERRUPTED",
135 "XXX",
136 };
137
138 const char *
usbd_errstr(usbd_status err)139 usbd_errstr(usbd_status err)
140 {
141 static char buffer[5];
142
143 if (err < USBD_ERROR_MAX) {
144 return usbd_error_strs[err];
145 } else {
146 snprintf(buffer, sizeof buffer, "%d", err);
147 return buffer;
148 }
149 }
150
151 usbd_status
usbd_get_string_desc(usbd_device_handle dev,int sindex,int langid,usb_string_descriptor_t * sdesc,int * sizep)152 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid,
153 usb_string_descriptor_t *sdesc, int *sizep)
154 {
155 usb_device_request_t req;
156 usbd_status err;
157 int actlen;
158
159 req.bmRequestType = UT_READ_DEVICE;
160 req.bRequest = UR_GET_DESCRIPTOR;
161 USETW2(req.wValue, UDESC_STRING, sindex);
162 USETW(req.wIndex, langid);
163 USETW(req.wLength, 1); /* only size byte first */
164 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
165 &actlen, USBD_DEFAULT_TIMEOUT);
166 if (err)
167 return (err);
168
169 if (actlen < 1)
170 return (USBD_SHORT_XFER);
171
172 USETW(req.wLength, sdesc->bLength); /* the whole string */
173 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK,
174 &actlen, USBD_DEFAULT_TIMEOUT);
175 if (err)
176 return (err);
177
178 if (actlen != sdesc->bLength) {
179 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n",
180 sdesc->bLength, actlen));
181 }
182
183 *sizep = actlen;
184 return (USBD_NORMAL_COMPLETION);
185 }
186
187 char *
usbd_get_string(usbd_device_handle dev,int si,char * buf)188 usbd_get_string(usbd_device_handle dev, int si, char *buf)
189 {
190 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE;
191 usb_string_descriptor_t us;
192 char *s;
193 int i, n;
194 u_int16_t c;
195 usbd_status err;
196 int size;
197
198 if (si == 0)
199 return (0);
200 if (dev->quirks->uq_flags & UQ_NO_STRINGS)
201 return (0);
202 if (dev->langid == USBD_NOLANG) {
203 /* Set up default language */
204 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us,
205 &size);
206 if (err || size < 4) {
207 dev->langid = 0; /* Well, just pick English then */
208 } else {
209 /* Pick the first language as the default. */
210 dev->langid = UGETW(us.bString[0]);
211 }
212 }
213 err = usbd_get_string_desc(dev, si, dev->langid, &us, &size);
214 if (err)
215 return (0);
216 s = buf;
217 n = size / 2 - 1;
218 for (i = 0; i < n; i++) {
219 c = UGETW(us.bString[i]);
220 /* Convert from Unicode, handle buggy strings. */
221 if ((c & 0xff00) == 0)
222 *s++ = c;
223 else if ((c & 0x00ff) == 0 && swap)
224 *s++ = c >> 8;
225 else
226 *s++ = '?';
227 }
228 *s++ = 0;
229 return (buf);
230 }
231
232 static void
usbd_trim_spaces(char * p)233 usbd_trim_spaces(char *p)
234 {
235 char *q, *e;
236
237 if (p == NULL)
238 return;
239 q = e = p;
240 while (*q == ' ') /* skip leading spaces */
241 q++;
242 while ((*p = *q++)) /* copy string */
243 if (*p++ != ' ') /* remember last non-space */
244 e = p;
245 *e = 0; /* kill trailing spaces */
246 }
247
248 void
usbd_devinfo_vp(usbd_device_handle dev,char * v,char * p,int usedev)249 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev)
250 {
251 usb_device_descriptor_t *udd = &dev->ddesc;
252 char *vendor = 0, *product = 0;
253 #ifdef USBVERBOSE
254 const struct usb_knowndev *kdp;
255 #endif
256
257 if (dev == NULL) {
258 v[0] = p[0] = '\0';
259 return;
260 }
261
262 if (usedev) {
263 vendor = usbd_get_string(dev, udd->iManufacturer, v);
264 usbd_trim_spaces(vendor);
265 product = usbd_get_string(dev, udd->iProduct, p);
266 usbd_trim_spaces(product);
267 } else {
268 vendor = NULL;
269 product = NULL;
270 }
271 #ifdef USBVERBOSE
272 if (vendor == NULL || product == NULL) {
273 for(kdp = usb_knowndevs;
274 kdp->vendorname != NULL;
275 kdp++) {
276 if (kdp->vendor == UGETW(udd->idVendor) &&
277 (kdp->product == UGETW(udd->idProduct) ||
278 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0))
279 break;
280 }
281 if (kdp->vendorname != NULL) {
282 if (vendor == NULL)
283 vendor = kdp->vendorname;
284 if (product == NULL)
285 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ?
286 kdp->productname : NULL;
287 }
288 }
289 #endif
290 if (vendor != NULL && *vendor)
291 strlcpy(v, vendor, USB_MAX_STRING_LEN); /* XXX */
292 else
293 snprintf(v, USB_MAX_STRING_LEN, "vendor 0x%04x", /* XXX */
294 UGETW(udd->idVendor));
295 if (product != NULL && *product)
296 strlcpy(p, product, USB_MAX_STRING_LEN); /* XXX */
297 else
298 snprintf(p, USB_MAX_STRING_LEN, "product 0x%04x", /* XXX */
299 UGETW(udd->idProduct));
300 }
301
302 int
usbd_printBCD(char * cp,size_t len,int bcd)303 usbd_printBCD(char *cp, size_t len, int bcd)
304 {
305 int l;
306
307 l = snprintf(cp, len, "%x.%02x", bcd >> 8, bcd & 0xff);
308 if (l == -1 || len == 0)
309 return (0);
310 if (l >= len)
311 return len - 1;
312 return (l);
313 }
314
315 void
usbd_devinfo(usbd_device_handle dev,int showclass,char * base,size_t len)316 usbd_devinfo(usbd_device_handle dev, int showclass, char *base, size_t len)
317 {
318 usb_device_descriptor_t *udd = &dev->ddesc;
319 char vendor[USB_MAX_STRING_LEN];
320 char product[USB_MAX_STRING_LEN];
321 char *cp = base;
322 int bcdDevice, bcdUSB;
323
324 usbd_devinfo_vp(dev, vendor, product, 1);
325 snprintf(cp, len, "%s %s", vendor, product);
326 cp += strlen(cp);
327 if (showclass) {
328 snprintf(cp, base + len - cp, ", class %d/%d",
329 udd->bDeviceClass, udd->bDeviceSubClass);
330 cp += strlen(cp);
331 }
332 bcdUSB = UGETW(udd->bcdUSB);
333 bcdDevice = UGETW(udd->bcdDevice);
334 snprintf(cp, base + len - cp, ", rev ");
335 cp += strlen(cp);
336 usbd_printBCD(cp, base + len - cp, bcdUSB);
337 cp += strlen(cp);
338 snprintf(cp, base + len - cp, "/");
339 cp += strlen(cp);
340 usbd_printBCD(cp, base + len - cp, bcdDevice);
341 cp += strlen(cp);
342 snprintf(cp, base + len - cp, ", addr %d", dev->address);
343 cp += strlen(cp);
344 *cp = 0;
345 }
346
347 /* Delay for a certain number of ms */
348 void
usb_delay_ms(usbd_bus_handle bus,u_int ms)349 usb_delay_ms(usbd_bus_handle bus, u_int ms)
350 {
351 /* Wait at least two clock ticks so we know the time has passed. */
352 if (bus->use_polling || cold)
353 delay((ms+1) * 1000);
354 else
355 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1);
356 }
357
358 /* Delay given a device handle. */
359 void
usbd_delay_ms(usbd_device_handle dev,u_int ms)360 usbd_delay_ms(usbd_device_handle dev, u_int ms)
361 {
362 usb_delay_ms(dev->bus, ms);
363 }
364
365 usbd_status
usbd_reset_port(usbd_device_handle dev,int port,usb_port_status_t * ps)366 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps)
367 {
368 usb_device_request_t req;
369 usbd_status err;
370 int n;
371
372 req.bmRequestType = UT_WRITE_CLASS_OTHER;
373 req.bRequest = UR_SET_FEATURE;
374 USETW(req.wValue, UHF_PORT_RESET);
375 USETW(req.wIndex, port);
376 USETW(req.wLength, 0);
377 err = usbd_do_request(dev, &req, 0);
378 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n",
379 port, usbd_errstr(err)));
380 if (err)
381 return (err);
382 n = 10;
383 do {
384 /* Wait for device to recover from reset. */
385 usbd_delay_ms(dev, USB_PORT_RESET_DELAY);
386 err = usbd_get_port_status(dev, port, ps);
387 if (err) {
388 DPRINTF(("usbd_reset_port: get status failed %d\n",
389 err));
390 return (err);
391 }
392 /* If the device disappeared, just give up. */
393 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS))
394 return (USBD_NORMAL_COMPLETION);
395 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0);
396 if (n == 0)
397 return (USBD_TIMEOUT);
398 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET);
399 #ifdef USB_DEBUG
400 if (err)
401 DPRINTF(("usbd_reset_port: clear port feature failed %d\n",
402 err));
403 #endif
404
405 /* Wait for the device to recover from reset. */
406 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY);
407 return (err);
408 }
409
410 usb_interface_descriptor_t *
usbd_find_idesc(usb_config_descriptor_t * cd,int ifaceidx,int altidx)411 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx)
412 {
413 char *p = (char *)cd;
414 char *end = p + UGETW(cd->wTotalLength);
415 usb_interface_descriptor_t *d;
416 int curidx, lastidx, curaidx = 0;
417
418 for (curidx = lastidx = -1; p < end; ) {
419 d = (usb_interface_descriptor_t *)p;
420 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d "
421 "type=%d\n",
422 ifaceidx, curidx, altidx, curaidx,
423 d->bLength, d->bDescriptorType));
424 if (d->bLength == 0) /* bad descriptor */
425 break;
426 p += d->bLength;
427 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) {
428 if (d->bInterfaceNumber != lastidx) {
429 lastidx = d->bInterfaceNumber;
430 curidx++;
431 curaidx = 0;
432 } else
433 curaidx++;
434 if (ifaceidx == curidx && altidx == curaidx)
435 return (d);
436 }
437 }
438 return (NULL);
439 }
440
441 usb_endpoint_descriptor_t *
usbd_find_edesc(usb_config_descriptor_t * cd,int ifaceidx,int altidx,int endptidx)442 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx,
443 int endptidx)
444 {
445 char *p = (char *)cd;
446 char *end = p + UGETW(cd->wTotalLength);
447 usb_interface_descriptor_t *d;
448 usb_endpoint_descriptor_t *e;
449 int curidx;
450
451 d = usbd_find_idesc(cd, ifaceidx, altidx);
452 if (d == NULL)
453 return (NULL);
454 if (endptidx >= d->bNumEndpoints) /* quick exit */
455 return (NULL);
456
457 curidx = -1;
458 for (p = (char *)d + d->bLength; p < end; ) {
459 e = (usb_endpoint_descriptor_t *)p;
460 if (e->bLength == 0) /* bad descriptor */
461 break;
462 p += e->bLength;
463 if (p <= end && e->bDescriptorType == UDESC_INTERFACE)
464 return (NULL);
465 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) {
466 curidx++;
467 if (curidx == endptidx)
468 return (e);
469 }
470 }
471 return (NULL);
472 }
473
474 usbd_status
usbd_fill_iface_data(usbd_device_handle dev,int ifaceidx,int altidx)475 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx)
476 {
477 usbd_interface_handle ifc = &dev->ifaces[ifaceidx];
478 usb_interface_descriptor_t *idesc;
479 char *p, *end;
480 int endpt, nendpt;
481
482 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n",
483 ifaceidx, altidx));
484 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx);
485 if (idesc == NULL)
486 return (USBD_INVAL);
487 ifc->device = dev;
488 ifc->idesc = idesc;
489 ifc->index = ifaceidx;
490 ifc->altindex = altidx;
491 nendpt = ifc->idesc->bNumEndpoints;
492 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt));
493 if (nendpt != 0) {
494 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint),
495 M_USB, M_NOWAIT);
496 if (ifc->endpoints == NULL)
497 return (USBD_NOMEM);
498 } else
499 ifc->endpoints = NULL;
500 ifc->priv = NULL;
501 p = (char *)ifc->idesc + ifc->idesc->bLength;
502 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength);
503 #define ed ((usb_endpoint_descriptor_t *)p)
504 for (endpt = 0; endpt < nendpt; endpt++) {
505 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt));
506 for (; p < end; p += ed->bLength) {
507 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p "
508 "len=%d type=%d\n",
509 p, end, ed->bLength, ed->bDescriptorType));
510 if (p + ed->bLength <= end && ed->bLength != 0 &&
511 ed->bDescriptorType == UDESC_ENDPOINT)
512 goto found;
513 if (ed->bLength == 0 ||
514 ed->bDescriptorType == UDESC_INTERFACE)
515 break;
516 }
517 /* passed end, or bad desc */
518 printf("usbd_fill_iface_data: bad descriptor(s): %s\n",
519 ed->bLength == 0 ? "0 length" :
520 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc":
521 "out of data");
522 goto bad;
523 found:
524 ifc->endpoints[endpt].edesc = ed;
525 if (dev->speed == USB_SPEED_HIGH) {
526 u_int mps;
527 /* Control and bulk endpoints have max packet
528 limits. */
529 switch (UE_GET_XFERTYPE(ed->bmAttributes)) {
530 case UE_CONTROL:
531 mps = USB_2_MAX_CTRL_PACKET;
532 goto check;
533 case UE_BULK:
534 mps = USB_2_MAX_BULK_PACKET;
535 check:
536 if (UGETW(ed->wMaxPacketSize) != mps) {
537 USETW(ed->wMaxPacketSize, mps);
538 #ifdef DIAGNOSTIC
539 printf("usbd_fill_iface_data: bad max "
540 "packet size\n");
541 #endif
542 }
543 break;
544 default:
545 break;
546 }
547 }
548 ifc->endpoints[endpt].refcnt = 0;
549 p += ed->bLength;
550 }
551 #undef ed
552 LIST_INIT(&ifc->pipes);
553 return (USBD_NORMAL_COMPLETION);
554
555 bad:
556 if (ifc->endpoints != NULL) {
557 free(ifc->endpoints, M_USB);
558 ifc->endpoints = NULL;
559 }
560 return (USBD_INVAL);
561 }
562
563 void
usbd_free_iface_data(usbd_device_handle dev,int ifcno)564 usbd_free_iface_data(usbd_device_handle dev, int ifcno)
565 {
566 usbd_interface_handle ifc = &dev->ifaces[ifcno];
567 if (ifc->endpoints)
568 free(ifc->endpoints, M_USB);
569 }
570
571 Static usbd_status
usbd_set_config(usbd_device_handle dev,int conf)572 usbd_set_config(usbd_device_handle dev, int conf)
573 {
574 usb_device_request_t req;
575
576 req.bmRequestType = UT_WRITE_DEVICE;
577 req.bRequest = UR_SET_CONFIG;
578 USETW(req.wValue, conf);
579 USETW(req.wIndex, 0);
580 USETW(req.wLength, 0);
581 return (usbd_do_request(dev, &req, 0));
582 }
583
584 usbd_status
usbd_set_config_no(usbd_device_handle dev,int no,int msg)585 usbd_set_config_no(usbd_device_handle dev, int no, int msg)
586 {
587 int index;
588 usb_config_descriptor_t cd;
589 usbd_status err;
590
591 if (no == USB_UNCONFIG_NO)
592 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg));
593
594 DPRINTFN(5,("usbd_set_config_no: %d\n", no));
595 /* Figure out what config index to use. */
596 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) {
597 err = usbd_get_config_desc(dev, index, &cd);
598 if (err)
599 return (err);
600 if (cd.bConfigurationValue == no)
601 return (usbd_set_config_index(dev, index, msg));
602 }
603 return (USBD_INVAL);
604 }
605
606 usbd_status
usbd_set_config_index(usbd_device_handle dev,int index,int msg)607 usbd_set_config_index(usbd_device_handle dev, int index, int msg)
608 {
609 usb_status_t ds;
610 usb_config_descriptor_t cd, *cdp;
611 usbd_status err;
612 int i, ifcidx, nifc, len, selfpowered, power;
613
614 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index));
615
616 /* XXX check that all interfaces are idle */
617 if (dev->config != USB_UNCONFIG_NO) {
618 DPRINTF(("usbd_set_config_index: free old config\n"));
619 /* Free all configuration data structures. */
620 nifc = dev->cdesc->bNumInterface;
621 for (ifcidx = 0; ifcidx < nifc; ifcidx++)
622 usbd_free_iface_data(dev, ifcidx);
623 free(dev->ifaces, M_USB);
624 free(dev->cdesc, M_USB);
625 dev->ifaces = NULL;
626 dev->cdesc = NULL;
627 dev->config = USB_UNCONFIG_NO;
628 }
629
630 if (index == USB_UNCONFIG_INDEX) {
631 /* We are unconfiguring the device, so leave unallocated. */
632 DPRINTF(("usbd_set_config_index: set config 0\n"));
633 err = usbd_set_config(dev, USB_UNCONFIG_NO);
634 if (err)
635 DPRINTF(("usbd_set_config_index: setting config=0 "
636 "failed, error=%s\n", usbd_errstr(err)));
637 return (err);
638 }
639
640 /* Get the short descriptor. */
641 err = usbd_get_config_desc(dev, index, &cd);
642 if (err)
643 return (err);
644 len = UGETW(cd.wTotalLength);
645 cdp = malloc(len, M_USB, M_NOWAIT);
646 if (cdp == NULL)
647 return (USBD_NOMEM);
648 /* Get the full descriptor. */
649 for (i = 0; i < 3; i++) {
650 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp);
651 if (!err)
652 break;
653 usbd_delay_ms(dev, 200);
654 }
655 if (err)
656 goto bad;
657
658 if (cdp->bDescriptorType != UDESC_CONFIG) {
659 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n",
660 cdp->bDescriptorType));
661 err = USBD_INVAL;
662 goto bad;
663 }
664
665 /* Figure out if the device is self or bus powered. */
666 selfpowered = 0;
667 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) &&
668 (cdp->bmAttributes & UC_SELF_POWERED)) {
669 /* May be self powered. */
670 if (cdp->bmAttributes & UC_BUS_POWERED) {
671 /* Must ask device. */
672 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) {
673 /*
674 * Hub claims to be self powered, but isn't.
675 * It seems that the power status can be
676 * determined by the hub characteristics.
677 */
678 usb_hub_descriptor_t hd;
679 usb_device_request_t req;
680 req.bmRequestType = UT_READ_CLASS_DEVICE;
681 req.bRequest = UR_GET_DESCRIPTOR;
682 USETW(req.wValue, 0);
683 USETW(req.wIndex, 0);
684 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE);
685 err = usbd_do_request(dev, &req, &hd);
686 if (!err &&
687 (UGETW(hd.wHubCharacteristics) &
688 UHD_PWR_INDIVIDUAL))
689 selfpowered = 1;
690 DPRINTF(("usbd_set_config_index: charac=0x%04x"
691 ", error=%s\n",
692 UGETW(hd.wHubCharacteristics),
693 usbd_errstr(err)));
694 } else {
695 err = usbd_get_device_status(dev, &ds);
696 if (!err &&
697 (UGETW(ds.wStatus) & UDS_SELF_POWERED))
698 selfpowered = 1;
699 DPRINTF(("usbd_set_config_index: status=0x%04x"
700 ", error=%s\n",
701 UGETW(ds.wStatus), usbd_errstr(err)));
702 }
703 } else
704 selfpowered = 1;
705 }
706 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, "
707 "selfpowered=%d, power=%d\n",
708 cdp->bConfigurationValue, dev->address, cdp->bmAttributes,
709 selfpowered, cdp->bMaxPower * 2));
710
711 /* Check if we have enough power. */
712 #ifdef USB_DEBUG
713 if (dev->powersrc == NULL) {
714 DPRINTF(("usbd_set_config_index: No power source?\n"));
715 return (USBD_IOERROR);
716 }
717 #endif
718 power = cdp->bMaxPower * 2;
719 if (power > dev->powersrc->power) {
720 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power));
721 /* XXX print nicer message. */
722 if (msg)
723 printf("%s: device addr %d (config %d) exceeds power "
724 "budget, %d mA > %d mA\n",
725 USBDEVNAME(dev->bus->bdev), dev->address,
726 cdp->bConfigurationValue,
727 power, dev->powersrc->power);
728 err = USBD_NO_POWER;
729 goto bad;
730 }
731 dev->power = power;
732 dev->self_powered = selfpowered;
733
734 /* Set the actual configuration value. */
735 DPRINTF(("usbd_set_config_index: set config %d\n",
736 cdp->bConfigurationValue));
737 err = usbd_set_config(dev, cdp->bConfigurationValue);
738 if (err) {
739 DPRINTF(("usbd_set_config_index: setting config=%d failed, "
740 "error=%s\n",
741 cdp->bConfigurationValue, usbd_errstr(err)));
742 goto bad;
743 }
744
745 /* Allocate and fill interface data. */
746 nifc = cdp->bNumInterface;
747 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface),
748 M_USB, M_NOWAIT);
749 if (dev->ifaces == NULL) {
750 err = USBD_NOMEM;
751 goto bad;
752 }
753 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp));
754 dev->cdesc = cdp;
755 dev->config = cdp->bConfigurationValue;
756 for (ifcidx = 0; ifcidx < nifc; ifcidx++) {
757 err = usbd_fill_iface_data(dev, ifcidx, 0);
758 if (err) {
759 while (--ifcidx >= 0)
760 usbd_free_iface_data(dev, ifcidx);
761 goto bad;
762 }
763 }
764
765 return (USBD_NORMAL_COMPLETION);
766
767 bad:
768 free(cdp, M_USB);
769 return (err);
770 }
771
772 /* XXX add function for alternate settings */
773
774 usbd_status
usbd_setup_pipe(usbd_device_handle dev,usbd_interface_handle iface,struct usbd_endpoint * ep,int ival,usbd_pipe_handle * pipe)775 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface,
776 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe)
777 {
778 usbd_pipe_handle p;
779 usbd_status err;
780
781 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n",
782 dev, iface, ep, pipe));
783 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT);
784 if (p == NULL)
785 return (USBD_NOMEM);
786 p->device = dev;
787 p->iface = iface;
788 p->endpoint = ep;
789 ep->refcnt++;
790 p->refcnt = 1;
791 p->intrxfer = 0;
792 p->running = 0;
793 p->aborting = 0;
794 p->repeat = 0;
795 p->interval = ival;
796 SIMPLEQ_INIT(&p->queue);
797 err = dev->bus->methods->open_pipe(p);
798 if (err) {
799 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error="
800 "%s\n",
801 ep->edesc->bEndpointAddress, usbd_errstr(err)));
802 free(p, M_USB);
803 return (err);
804 }
805 /* Clear any stall and make sure DATA0 toggle will be used next. */
806 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT)
807 usbd_clear_endpoint_stall(p);
808 *pipe = p;
809 return (USBD_NORMAL_COMPLETION);
810 }
811
812 /* Abort the device control pipe. */
813 void
usbd_kill_pipe(usbd_pipe_handle pipe)814 usbd_kill_pipe(usbd_pipe_handle pipe)
815 {
816 usbd_abort_pipe(pipe);
817 pipe->methods->close(pipe);
818 pipe->endpoint->refcnt--;
819 free(pipe, M_USB);
820 }
821
822 int
usbd_getnewaddr(usbd_bus_handle bus)823 usbd_getnewaddr(usbd_bus_handle bus)
824 {
825 int addr;
826
827 for (addr = 1; addr < USB_MAX_DEVICES; addr++)
828 if (bus->devices[addr] == 0)
829 return (addr);
830 return (-1);
831 }
832
833
834 usbd_status
usbd_probe_and_attach(device_ptr_t parent,usbd_device_handle dev,int port,int addr)835 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev,
836 int port, int addr)
837 {
838 struct usb_attach_arg uaa;
839 usb_device_descriptor_t *dd = &dev->ddesc;
840 int found, i, confi, nifaces;
841 usbd_status err;
842 device_ptr_t dv;
843 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */
844
845 #if defined(__FreeBSD__)
846 /*
847 * XXX uaa is a static var. Not a problem as it _should_ be used only
848 * during probe and attach. Should be changed however.
849 */
850 device_t bdev;
851 bdev = device_add_child(parent, NULL, -1, &uaa);
852 if (!bdev) {
853 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev));
854 return (USBD_INVAL);
855 }
856 device_quiet(bdev);
857 #endif
858
859 uaa.device = dev;
860 uaa.iface = NULL;
861 uaa.ifaces = NULL;
862 uaa.nifaces = 0;
863 uaa.usegeneric = 0;
864 uaa.port = port;
865 uaa.configno = UHUB_UNK_CONFIGURATION;
866 uaa.ifaceno = UHUB_UNK_INTERFACE;
867 uaa.vendor = UGETW(dd->idVendor);
868 uaa.product = UGETW(dd->idProduct);
869 uaa.release = UGETW(dd->bcdDevice);
870
871 /* First try with device specific drivers. */
872 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n"));
873 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch);
874 if (dv) {
875 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT);
876 if (dev->subdevs == NULL)
877 return (USBD_NOMEM);
878 dev->subdevs[0] = dv;
879 dev->subdevs[1] = 0;
880 return (USBD_NORMAL_COMPLETION);
881 }
882
883 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n"));
884
885 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n",
886 dd->bNumConfigurations));
887 /* Next try with interface drivers. */
888 for (confi = 0; confi < dd->bNumConfigurations; confi++) {
889 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n",
890 confi));
891 err = usbd_set_config_index(dev, confi, 1);
892 if (err) {
893 #ifdef USB_DEBUG
894 DPRINTF(("%s: port %d, set config at addr %d failed, "
895 "error=%s\n", USBDEVPTRNAME(parent), port,
896 addr, usbd_errstr(err)));
897 #else
898 printf("%s: port %d, set config at addr %d failed\n",
899 USBDEVPTRNAME(parent), port, addr);
900 #endif
901 #if defined(__FreeBSD__)
902 device_delete_child(parent, bdev);
903 #endif
904
905 return (err);
906 }
907 nifaces = dev->cdesc->bNumInterface;
908 uaa.configno = dev->cdesc->bConfigurationValue;
909 for (i = 0; i < nifaces; i++)
910 ifaces[i] = &dev->ifaces[i];
911 uaa.ifaces = ifaces;
912 uaa.nifaces = nifaces;
913 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT);
914 if (dev->subdevs == NULL) {
915 #if defined(__FreeBSD__)
916 device_delete_child(parent, bdev);
917 #endif
918 return (USBD_NOMEM);
919 }
920
921 found = 0;
922 for (i = 0; i < nifaces; i++) {
923 if (ifaces[i] == NULL)
924 continue; /* interface already claimed */
925 uaa.iface = ifaces[i];
926 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber;
927 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print,
928 usbd_submatch);
929
930 if (dv != NULL) {
931 dev->subdevs[found++] = dv;
932 dev->subdevs[found] = 0;
933 ifaces[i] = 0; /* consumed */
934
935 #if defined(__FreeBSD__)
936 /* create another child for the next iface */
937 bdev = device_add_child(parent, NULL, -1,&uaa);
938 if (!bdev) {
939 printf("%s: Device creation failed\n",
940 USBDEVNAME(dev->bus->bdev));
941 return (USBD_NORMAL_COMPLETION);
942 }
943 device_quiet(bdev);
944 #endif
945 }
946 }
947 if (found != 0) {
948 #if defined(__FreeBSD__)
949 /* remove the last created child again; it is unused */
950 device_delete_child(parent, bdev);
951 #endif
952 return (USBD_NORMAL_COMPLETION);
953 }
954 free(dev->subdevs, M_USB);
955 dev->subdevs = 0;
956 }
957 /* No interfaces were attached in any of the configurations. */
958
959 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */
960 usbd_set_config_index(dev, 0, 0);
961
962 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n"));
963
964 /* Finally try the generic driver. */
965 uaa.iface = NULL;
966 uaa.usegeneric = 1;
967 uaa.configno = UHUB_UNK_CONFIGURATION;
968 uaa.ifaceno = UHUB_UNK_INTERFACE;
969 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch);
970 if (dv != NULL) {
971 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT);
972 if (dev->subdevs == 0)
973 return (USBD_NOMEM);
974 dev->subdevs[0] = dv;
975 dev->subdevs[1] = 0;
976 return (USBD_NORMAL_COMPLETION);
977 }
978
979 /*
980 * The generic attach failed, but leave the device as it is.
981 * We just did not find any drivers, that's all. The device is
982 * fully operational and not harming anyone.
983 */
984 DPRINTF(("usbd_probe_and_attach: generic attach failed\n"));
985 #if defined(__FreeBSD__)
986 device_delete_child(parent, bdev);
987 #endif
988 return (USBD_NORMAL_COMPLETION);
989 }
990
991
992 /*
993 * Called when a new device has been put in the powered state,
994 * but not yet in the addressed state.
995 * Get initial descriptor, set the address, get full descriptor,
996 * and attach a driver.
997 */
998 usbd_status
usbd_new_device(device_ptr_t parent,usbd_bus_handle bus,int depth,int speed,int port,struct usbd_port * up)999 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth,
1000 int speed, int port, struct usbd_port *up)
1001 {
1002 usbd_device_handle dev, adev;
1003 struct usbd_device *hub;
1004 usb_device_descriptor_t *dd;
1005 usbd_status err;
1006 int addr;
1007 int i;
1008 int p;
1009
1010 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n",
1011 bus, port, depth, speed));
1012 addr = usbd_getnewaddr(bus);
1013 if (addr < 0) {
1014 printf("%s: No free USB addresses, new device ignored.\n",
1015 USBDEVNAME(bus->bdev));
1016 return (USBD_NO_ADDR);
1017 }
1018
1019 dev = malloc(sizeof *dev, M_USB, M_NOWAIT);
1020 if (dev == NULL)
1021 return (USBD_NOMEM);
1022 memset(dev, 0, sizeof *dev);
1023
1024 dev->bus = bus;
1025
1026 /* Set up default endpoint handle. */
1027 dev->def_ep.edesc = &dev->def_ep_desc;
1028
1029 /* Set up default endpoint descriptor. */
1030 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE;
1031 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT;
1032 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT;
1033 dev->def_ep_desc.bmAttributes = UE_CONTROL;
1034 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET);
1035 dev->def_ep_desc.bInterval = 0;
1036
1037 dev->quirks = &usbd_no_quirk;
1038 dev->address = USB_START_ADDR;
1039 dev->ddesc.bMaxPacketSize = 0;
1040 dev->depth = depth;
1041 dev->powersrc = up;
1042 dev->myhub = up->parent;
1043
1044 up->device = dev;
1045
1046 /* Locate port on upstream high speed hub */
1047 for (adev = dev, hub = up->parent;
1048 hub != NULL && hub->speed != USB_SPEED_HIGH;
1049 adev = hub, hub = hub->myhub)
1050 ;
1051 if (hub) {
1052 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) {
1053 if (hub->hub->ports[p].device == adev) {
1054 dev->myhsport = &hub->hub->ports[p];
1055 goto found;
1056 }
1057 }
1058 panic("usbd_new_device: cannot find HS port");
1059 found:
1060 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p));
1061 } else {
1062 dev->myhsport = NULL;
1063 }
1064 dev->speed = speed;
1065 dev->langid = USBD_NOLANG;
1066 dev->cookie.cookie = ++usb_cookie_no;
1067
1068 /* Establish the default pipe. */
1069 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL,
1070 &dev->default_pipe);
1071 if (err) {
1072 usbd_remove_device(dev, up);
1073 return (err);
1074 }
1075
1076 dd = &dev->ddesc;
1077 /* Try a few times in case the device is slow (i.e. outside specs.) */
1078 for (i = 0; i < 5; i++) {
1079 /* Get the first 8 bytes of the device descriptor. */
1080 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd);
1081 if (!err)
1082 break;
1083 /* progressively increase the delay */
1084 usbd_delay_ms(dev, 200 * (i + 1));
1085 }
1086 if (err) {
1087 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc "
1088 "failed\n", addr));
1089 usbd_remove_device(dev, up);
1090 return (err);
1091 }
1092
1093 if (speed == USB_SPEED_HIGH) {
1094 /* Max packet size must be 64 (sec 5.5.3). */
1095 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) {
1096 #ifdef DIAGNOSTIC
1097 printf("usbd_new_device: addr=%d bad max packet size\n",
1098 addr);
1099 #endif
1100 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET;
1101 }
1102 }
1103
1104 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, "
1105 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n",
1106 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass,
1107 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength,
1108 dev->speed));
1109
1110 if (dd->bDescriptorType != UDESC_DEVICE) {
1111 /* Illegal device descriptor */
1112 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n",
1113 dd->bDescriptorType));
1114 usbd_remove_device(dev, up);
1115 return (USBD_INVAL);
1116 }
1117
1118 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) {
1119 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength));
1120 usbd_remove_device(dev, up);
1121 return (USBD_INVAL);
1122 }
1123
1124 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize);
1125
1126 err = usbd_reload_device_desc(dev);
1127 if (err) {
1128 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc "
1129 "failed\n", addr));
1130 usbd_remove_device(dev, up);
1131 return (err);
1132 }
1133
1134 /* Set the address */
1135 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr));
1136 err = usbd_set_address(dev, addr);
1137 if (err) {
1138 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr));
1139 err = USBD_SET_ADDR_FAILED;
1140 usbd_remove_device(dev, up);
1141 return (err);
1142 }
1143 /* Allow device time to set new address */
1144 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE);
1145
1146 dev->address = addr; /* New device address now */
1147 bus->devices[addr] = dev;
1148
1149 /* Assume 100mA bus powered for now. Changed when configured. */
1150 dev->power = USB_MIN_POWER;
1151 dev->self_powered = 0;
1152
1153 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n",
1154 addr, dev, parent));
1155
1156 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev);
1157
1158 err = usbd_probe_and_attach(parent, dev, port, addr);
1159 if (err) {
1160 usbd_remove_device(dev, up);
1161 return (err);
1162 }
1163
1164 return (USBD_NORMAL_COMPLETION);
1165 }
1166
1167 usbd_status
usbd_reload_device_desc(usbd_device_handle dev)1168 usbd_reload_device_desc(usbd_device_handle dev)
1169 {
1170 usbd_status err;
1171
1172 /* Get the full device descriptor. */
1173 err = usbd_get_device_desc(dev, &dev->ddesc);
1174 if (err)
1175 return (err);
1176
1177 /* Figure out what's wrong with this device. */
1178 dev->quirks = usbd_find_quirk(&dev->ddesc);
1179
1180 return (USBD_NORMAL_COMPLETION);
1181 }
1182
1183 void
usbd_remove_device(usbd_device_handle dev,struct usbd_port * up)1184 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up)
1185 {
1186 DPRINTF(("usbd_remove_device: %p\n", dev));
1187
1188 if (dev->default_pipe != NULL)
1189 usbd_kill_pipe(dev->default_pipe);
1190 up->device = NULL;
1191 dev->bus->devices[dev->address] = NULL;
1192
1193 free(dev, M_USB);
1194 }
1195
1196 #if defined(__NetBSD__) || defined(__OpenBSD__)
1197 int
usbd_print(void * aux,const char * pnp)1198 usbd_print(void *aux, const char *pnp)
1199 {
1200 struct usb_attach_arg *uaa = aux;
1201 char devinfo[1024];
1202
1203 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device));
1204 if (pnp) {
1205 if (!uaa->usegeneric)
1206 return (QUIET);
1207 usbd_devinfo(uaa->device, 1, devinfo, sizeof devinfo);
1208 printf("%s, %s", devinfo, pnp);
1209 }
1210 if (uaa->port != 0)
1211 printf(" port %d", uaa->port);
1212 if (uaa->configno != UHUB_UNK_CONFIGURATION)
1213 printf(" configuration %d", uaa->configno);
1214 if (uaa->ifaceno != UHUB_UNK_INTERFACE)
1215 printf(" interface %d", uaa->ifaceno);
1216 #if 0
1217 /*
1218 * It gets very crowded with these locators on the attach line.
1219 * They are not really needed since they are printed in the clear
1220 * by each driver.
1221 */
1222 if (uaa->vendor != UHUB_UNK_VENDOR)
1223 printf(" vendor 0x%04x", uaa->vendor);
1224 if (uaa->product != UHUB_UNK_PRODUCT)
1225 printf(" product 0x%04x", uaa->product);
1226 if (uaa->release != UHUB_UNK_RELEASE)
1227 printf(" release 0x%04x", uaa->release);
1228 #endif
1229 return (UNCONF);
1230 }
1231
1232 #if defined(__NetBSD__)
1233 int
usbd_submatch(struct device * parent,struct cfdata * cf,void * aux)1234 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux)
1235 {
1236 #elif defined(__OpenBSD__)
1237 int
1238 usbd_submatch(struct device *parent, void *match, void *aux)
1239 {
1240 struct cfdata *cf = match;
1241 #endif
1242 struct usb_attach_arg *uaa = aux;
1243
1244 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d "
1245 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n",
1246 uaa->port, cf->uhubcf_port,
1247 uaa->configno, cf->uhubcf_configuration,
1248 uaa->ifaceno, cf->uhubcf_interface,
1249 uaa->vendor, cf->uhubcf_vendor,
1250 uaa->product, cf->uhubcf_product,
1251 uaa->release, cf->uhubcf_release));
1252 if (uaa->port != 0 && /* root hub has port 0, it should match */
1253 ((uaa->port != 0 &&
1254 cf->uhubcf_port != UHUB_UNK_PORT &&
1255 cf->uhubcf_port != uaa->port) ||
1256 (uaa->configno != UHUB_UNK_CONFIGURATION &&
1257 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION &&
1258 cf->uhubcf_configuration != uaa->configno) ||
1259 (uaa->ifaceno != UHUB_UNK_INTERFACE &&
1260 cf->uhubcf_interface != UHUB_UNK_INTERFACE &&
1261 cf->uhubcf_interface != uaa->ifaceno) ||
1262 (uaa->vendor != UHUB_UNK_VENDOR &&
1263 cf->uhubcf_vendor != UHUB_UNK_VENDOR &&
1264 cf->uhubcf_vendor != uaa->vendor) ||
1265 (uaa->product != UHUB_UNK_PRODUCT &&
1266 cf->uhubcf_product != UHUB_UNK_PRODUCT &&
1267 cf->uhubcf_product != uaa->product) ||
1268 (uaa->release != UHUB_UNK_RELEASE &&
1269 cf->uhubcf_release != UHUB_UNK_RELEASE &&
1270 cf->uhubcf_release != uaa->release)
1271 )
1272 )
1273 return 0;
1274 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR &&
1275 cf->uhubcf_vendor == uaa->vendor &&
1276 cf->uhubcf_product != UHUB_UNK_PRODUCT &&
1277 cf->uhubcf_product == uaa->product) {
1278 /* We have a vendor&product locator match */
1279 if (cf->uhubcf_release != UHUB_UNK_RELEASE &&
1280 cf->uhubcf_release == uaa->release)
1281 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV;
1282 else
1283 uaa->matchlvl = UMATCH_VENDOR_PRODUCT;
1284 } else
1285 uaa->matchlvl = 0;
1286 return ((*cf->cf_attach->ca_match)(parent, cf, aux));
1287 }
1288
1289 #endif
1290
1291 void
1292 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di,
1293 int usedev)
1294 {
1295 struct usbd_port *p;
1296 int i, err, s;
1297
1298 di->udi_bus = USBDEVUNIT(dev->bus->bdev);
1299 di->udi_addr = dev->address;
1300 di->udi_cookie = dev->cookie;
1301 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev);
1302 usbd_printBCD(di->udi_release, sizeof di->udi_release,
1303 UGETW(dev->ddesc.bcdDevice));
1304 di->udi_vendorNo = UGETW(dev->ddesc.idVendor);
1305 di->udi_productNo = UGETW(dev->ddesc.idProduct);
1306 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice);
1307 di->udi_class = dev->ddesc.bDeviceClass;
1308 di->udi_subclass = dev->ddesc.bDeviceSubClass;
1309 di->udi_protocol = dev->ddesc.bDeviceProtocol;
1310 di->udi_config = dev->config;
1311 di->udi_power = dev->self_powered ? 0 : dev->power;
1312 di->udi_speed = dev->speed;
1313
1314 if (dev->subdevs != NULL) {
1315 for (i = 0; dev->subdevs[i] &&
1316 i < USB_MAX_DEVNAMES; i++) {
1317 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]),
1318 USB_MAX_DEVNAMELEN);
1319 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0';
1320 }
1321 } else {
1322 i = 0;
1323 }
1324 for (/*i is set */; i < USB_MAX_DEVNAMES; i++)
1325 di->udi_devnames[i][0] = 0; /* empty */
1326
1327 if (dev->hub) {
1328 for (i = 0;
1329 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) &&
1330 i < dev->hub->hubdesc.bNbrPorts;
1331 i++) {
1332 p = &dev->hub->ports[i];
1333 if (p->device)
1334 err = p->device->address;
1335 else {
1336 s = UGETW(p->status.wPortStatus);
1337 if (s & UPS_PORT_ENABLED)
1338 err = USB_PORT_ENABLED;
1339 else if (s & UPS_SUSPEND)
1340 err = USB_PORT_SUSPENDED;
1341 else if (s & UPS_PORT_POWER)
1342 err = USB_PORT_POWERED;
1343 else
1344 err = USB_PORT_DISABLED;
1345 }
1346 di->udi_ports[i] = err;
1347 }
1348 di->udi_nports = dev->hub->hubdesc.bNbrPorts;
1349 } else
1350 di->udi_nports = 0;
1351 }
1352
1353 void
1354 usb_free_device(usbd_device_handle dev)
1355 {
1356 int ifcidx, nifc;
1357
1358 if (dev->default_pipe != NULL)
1359 usbd_kill_pipe(dev->default_pipe);
1360 if (dev->ifaces != NULL) {
1361 nifc = dev->cdesc->bNumInterface;
1362 for (ifcidx = 0; ifcidx < nifc; ifcidx++)
1363 usbd_free_iface_data(dev, ifcidx);
1364 free(dev->ifaces, M_USB);
1365 }
1366 if (dev->cdesc != NULL)
1367 free(dev->cdesc, M_USB);
1368 if (dev->subdevs != NULL)
1369 free(dev->subdevs, M_USB);
1370 free(dev, M_USB);
1371 }
1372
1373 /*
1374 * The general mechanism for detaching drivers works as follows: Each
1375 * driver is responsible for maintaining a reference count on the
1376 * number of outstanding references to its softc (e.g. from
1377 * processing hanging in a read or write). The detach method of the
1378 * driver decrements this counter and flags in the softc that the
1379 * driver is dying and then wakes any sleepers. It then sleeps on the
1380 * softc. Each place that can sleep must maintain the reference
1381 * count. When the reference count drops to -1 (0 is the normal value
1382 * of the reference count) the a wakeup on the softc is performed
1383 * signaling to the detach waiter that all references are gone.
1384 */
1385
1386 /*
1387 * Called from process context when we discover that a port has
1388 * been disconnected.
1389 */
1390 void
1391 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent)
1392 {
1393 usbd_device_handle dev = up->device;
1394 char *hubname = USBDEVPTRNAME(parent);
1395 int i;
1396
1397 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n",
1398 up, dev, up->portno));
1399
1400 #ifdef DIAGNOSTIC
1401 if (dev == NULL) {
1402 printf("usb_disconnect_port: no device\n");
1403 return;
1404 }
1405 #endif
1406
1407 if (dev->subdevs != NULL) {
1408 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n"));
1409 for (i = 0; dev->subdevs[i]; i++) {
1410 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]),
1411 hubname);
1412 if (up->portno != 0)
1413 printf(" port %d", up->portno);
1414 printf(" (addr %d) disconnected\n", dev->address);
1415 config_detach(dev->subdevs[i], DETACH_FORCE);
1416 dev->subdevs[i] = 0;
1417 }
1418 }
1419
1420 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev);
1421 dev->bus->devices[dev->address] = NULL;
1422 up->device = NULL;
1423 usb_free_device(dev);
1424 }
1425