1 | /* $NetBSD: usb_subr.c,v 1.216 2016/09/06 06:46:15 skrll Exp $ */ |
2 | /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ |
3 | |
4 | /* |
5 | * Copyright (c) 1998, 2004 The NetBSD Foundation, Inc. |
6 | * All rights reserved. |
7 | * |
8 | * This code is derived from software contributed to The NetBSD Foundation |
9 | * by Lennart Augustsson (lennart@augustsson.net) at |
10 | * Carlstedt Research & Technology. |
11 | * |
12 | * Redistribution and use in source and binary forms, with or without |
13 | * modification, are permitted provided that the following conditions |
14 | * are met: |
15 | * 1. Redistributions of source code must retain the above copyright |
16 | * notice, this list of conditions and the following disclaimer. |
17 | * 2. Redistributions in binary form must reproduce the above copyright |
18 | * notice, this list of conditions and the following disclaimer in the |
19 | * documentation and/or other materials provided with the distribution. |
20 | * |
21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
31 | * POSSIBILITY OF SUCH DAMAGE. |
32 | */ |
33 | |
34 | #include <sys/cdefs.h> |
35 | __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.216 2016/09/06 06:46:15 skrll Exp $" ); |
36 | |
37 | #ifdef _KERNEL_OPT |
38 | #include "opt_compat_netbsd.h" |
39 | #include "opt_usb.h" |
40 | #include "opt_usbverbose.h" |
41 | #endif |
42 | |
43 | #include <sys/param.h> |
44 | #include <sys/systm.h> |
45 | #include <sys/kernel.h> |
46 | #include <sys/kmem.h> |
47 | #include <sys/device.h> |
48 | #include <sys/select.h> |
49 | #include <sys/proc.h> |
50 | |
51 | #include <sys/bus.h> |
52 | #include <sys/module.h> |
53 | |
54 | #include <dev/usb/usb.h> |
55 | |
56 | #include <dev/usb/usbdi.h> |
57 | #include <dev/usb/usbdi_util.h> |
58 | #include <dev/usb/usbdivar.h> |
59 | #include <dev/usb/usbdevs.h> |
60 | #include <dev/usb/usb_quirks.h> |
61 | #include <dev/usb/usb_verbose.h> |
62 | #include <dev/usb/usbhist.h> |
63 | |
64 | #include "locators.h" |
65 | |
66 | #define DPRINTF(FMT,A,B,C,D) USBHIST_LOG(usbdebug,FMT,A,B,C,D) |
67 | #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbdebug,N,FMT,A,B,C,D) |
68 | |
69 | Static usbd_status usbd_set_config(struct usbd_device *, int); |
70 | Static void usbd_devinfo(struct usbd_device *, int, char *, size_t); |
71 | Static void usbd_devinfo_vp(struct usbd_device *, char *, size_t, char *, size_t, |
72 | int, int); |
73 | Static int usbd_getnewaddr(struct usbd_bus *); |
74 | Static int usbd_print(void *, const char *); |
75 | Static int usbd_ifprint(void *, const char *); |
76 | Static void usbd_free_iface_data(struct usbd_device *, int); |
77 | |
78 | uint32_t usb_cookie_no = 0; |
79 | |
80 | Static const char * const usbd_error_strs[] = { |
81 | "NORMAL_COMPLETION" , |
82 | "IN_PROGRESS" , |
83 | "PENDING_REQUESTS" , |
84 | "NOT_STARTED" , |
85 | "INVAL" , |
86 | "NOMEM" , |
87 | "CANCELLED" , |
88 | "BAD_ADDRESS" , |
89 | "IN_USE" , |
90 | "NO_ADDR" , |
91 | "SET_ADDR_FAILED" , |
92 | "NO_POWER" , |
93 | "TOO_DEEP" , |
94 | "IOERROR" , |
95 | "NOT_CONFIGURED" , |
96 | "TIMEOUT" , |
97 | "SHORT_XFER" , |
98 | "STALLED" , |
99 | "INTERRUPTED" , |
100 | "XXX" , |
101 | }; |
102 | |
103 | DEV_VERBOSE_DEFINE(usb); |
104 | |
105 | const char * |
106 | usbd_errstr(usbd_status err) |
107 | { |
108 | static char buffer[5]; |
109 | |
110 | if (err < USBD_ERROR_MAX) { |
111 | return usbd_error_strs[err]; |
112 | } else { |
113 | snprintf(buffer, sizeof(buffer), "%d" , err); |
114 | return buffer; |
115 | } |
116 | } |
117 | |
118 | usbd_status |
119 | usbd_get_string_desc(struct usbd_device *dev, int sindex, int langid, |
120 | usb_string_descriptor_t *sdesc, int *sizep) |
121 | { |
122 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
123 | usb_device_request_t req; |
124 | usbd_status err; |
125 | int actlen; |
126 | |
127 | req.bmRequestType = UT_READ_DEVICE; |
128 | req.bRequest = UR_GET_DESCRIPTOR; |
129 | USETW2(req.wValue, UDESC_STRING, sindex); |
130 | USETW(req.wIndex, langid); |
131 | USETW(req.wLength, 2); /* only size byte first */ |
132 | err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, |
133 | &actlen, USBD_DEFAULT_TIMEOUT); |
134 | if (err) |
135 | return err; |
136 | |
137 | if (actlen < 2) |
138 | return USBD_SHORT_XFER; |
139 | |
140 | USETW(req.wLength, sdesc->bLength); /* the whole string */ |
141 | err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, |
142 | &actlen, USBD_DEFAULT_TIMEOUT); |
143 | if (err) |
144 | return err; |
145 | |
146 | if (actlen != sdesc->bLength) { |
147 | DPRINTF("expected %d, got %d" , sdesc->bLength, actlen, 0, 0); |
148 | } |
149 | |
150 | *sizep = actlen; |
151 | return USBD_NORMAL_COMPLETION; |
152 | } |
153 | |
154 | static void |
155 | usbd_trim_spaces(char *p) |
156 | { |
157 | char *q, *e; |
158 | |
159 | q = e = p; |
160 | while (*q == ' ') /* skip leading spaces */ |
161 | q++; |
162 | while ((*p = *q++)) /* copy string */ |
163 | if (*p++ != ' ') /* remember last non-space */ |
164 | e = p; |
165 | *e = '\0'; /* kill trailing spaces */ |
166 | } |
167 | |
168 | static void |
169 | usbd_get_device_string(struct usbd_device *ud, uByte index, char **buf) |
170 | { |
171 | char *b = kmem_alloc(USB_MAX_ENCODED_STRING_LEN, KM_SLEEP); |
172 | if (b) { |
173 | usbd_status err = usbd_get_string0(ud, index, b, true); |
174 | if (err != USBD_NORMAL_COMPLETION) { |
175 | kmem_free(b, USB_MAX_ENCODED_STRING_LEN); |
176 | b = NULL; |
177 | } else { |
178 | usbd_trim_spaces(b); |
179 | } |
180 | } |
181 | *buf = b; |
182 | } |
183 | |
184 | void |
185 | usbd_get_device_strings(struct usbd_device *ud) |
186 | { |
187 | usb_device_descriptor_t *udd = &ud->ud_ddesc; |
188 | |
189 | usbd_get_device_string(ud, udd->iManufacturer, &ud->ud_vendor); |
190 | usbd_get_device_string(ud, udd->iProduct, &ud->ud_product); |
191 | usbd_get_device_string(ud, udd->iSerialNumber, &ud->ud_serial); |
192 | } |
193 | |
194 | |
195 | Static void |
196 | usbd_devinfo_vp(struct usbd_device *dev, char *v, size_t vl, char *p, |
197 | size_t pl, int usedev, int useencoded) |
198 | { |
199 | usb_device_descriptor_t *udd = &dev->ud_ddesc; |
200 | if (dev == NULL) |
201 | return; |
202 | |
203 | v[0] = p[0] = '\0'; |
204 | |
205 | if (usedev) { |
206 | if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == |
207 | USBD_NORMAL_COMPLETION) |
208 | usbd_trim_spaces(v); |
209 | if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == |
210 | USBD_NORMAL_COMPLETION) |
211 | usbd_trim_spaces(p); |
212 | } else { |
213 | if (dev->ud_vendor) { |
214 | strlcpy(v, dev->ud_vendor, vl); |
215 | } |
216 | if (dev->ud_product) { |
217 | strlcpy(p, dev->ud_product, pl); |
218 | } |
219 | } |
220 | if (v[0] == '\0') |
221 | usb_findvendor(v, vl, UGETW(udd->idVendor)); |
222 | if (p[0] == '\0') |
223 | usb_findproduct(p, pl, UGETW(udd->idVendor), |
224 | UGETW(udd->idProduct)); |
225 | } |
226 | |
227 | int |
228 | usbd_printBCD(char *cp, size_t l, int bcd) |
229 | { |
230 | return snprintf(cp, l, "%x.%02x" , bcd >> 8, bcd & 0xff); |
231 | } |
232 | |
233 | Static void |
234 | usbd_devinfo(struct usbd_device *dev, int showclass, char *cp, size_t l) |
235 | { |
236 | usb_device_descriptor_t *udd = &dev->ud_ddesc; |
237 | char *vendor, *product; |
238 | int bcdDevice, bcdUSB; |
239 | char *ep; |
240 | |
241 | vendor = kmem_alloc(USB_MAX_ENCODED_STRING_LEN * 2, KM_SLEEP); |
242 | if (vendor == NULL) { |
243 | *cp = '\0'; |
244 | return; |
245 | } |
246 | product = &vendor[USB_MAX_ENCODED_STRING_LEN]; |
247 | |
248 | ep = cp + l; |
249 | |
250 | usbd_devinfo_vp(dev, vendor, USB_MAX_ENCODED_STRING_LEN, |
251 | product, USB_MAX_ENCODED_STRING_LEN, 0, 1); |
252 | cp += snprintf(cp, ep - cp, "%s %s" , vendor, product); |
253 | if (showclass) |
254 | cp += snprintf(cp, ep - cp, ", class %d/%d" , |
255 | udd->bDeviceClass, udd->bDeviceSubClass); |
256 | bcdUSB = UGETW(udd->bcdUSB); |
257 | bcdDevice = UGETW(udd->bcdDevice); |
258 | cp += snprintf(cp, ep - cp, ", rev " ); |
259 | cp += usbd_printBCD(cp, ep - cp, bcdUSB); |
260 | *cp++ = '/'; |
261 | cp += usbd_printBCD(cp, ep - cp, bcdDevice); |
262 | cp += snprintf(cp, ep - cp, ", addr %d" , dev->ud_addr); |
263 | *cp = 0; |
264 | kmem_free(vendor, USB_MAX_ENCODED_STRING_LEN * 2); |
265 | } |
266 | |
267 | char * |
268 | usbd_devinfo_alloc(struct usbd_device *dev, int showclass) |
269 | { |
270 | char *devinfop; |
271 | |
272 | devinfop = kmem_alloc(DEVINFOSIZE, KM_SLEEP); |
273 | usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); |
274 | return devinfop; |
275 | } |
276 | |
277 | void |
278 | usbd_devinfo_free(char *devinfop) |
279 | { |
280 | kmem_free(devinfop, DEVINFOSIZE); |
281 | } |
282 | |
283 | /* Delay for a certain number of ms */ |
284 | void |
285 | usb_delay_ms_locked(struct usbd_bus *bus, u_int ms, kmutex_t *lock) |
286 | { |
287 | /* Wait at least two clock ticks so we know the time has passed. */ |
288 | if (bus->ub_usepolling || cold) |
289 | delay((ms+1) * 1000); |
290 | else |
291 | kpause("usbdly" , false, (ms*hz+999)/1000 + 1, lock); |
292 | } |
293 | |
294 | void |
295 | usb_delay_ms(struct usbd_bus *bus, u_int ms) |
296 | { |
297 | usb_delay_ms_locked(bus, ms, NULL); |
298 | } |
299 | |
300 | /* Delay given a device handle. */ |
301 | void |
302 | usbd_delay_ms_locked(struct usbd_device *dev, u_int ms, kmutex_t *lock) |
303 | { |
304 | usb_delay_ms_locked(dev->ud_bus, ms, lock); |
305 | } |
306 | |
307 | /* Delay given a device handle. */ |
308 | void |
309 | usbd_delay_ms(struct usbd_device *dev, u_int ms) |
310 | { |
311 | usb_delay_ms_locked(dev->ud_bus, ms, NULL); |
312 | } |
313 | |
314 | usbd_status |
315 | usbd_reset_port(struct usbd_device *dev, int port, usb_port_status_t *ps) |
316 | { |
317 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
318 | usb_device_request_t req; |
319 | usbd_status err; |
320 | int n; |
321 | |
322 | req.bmRequestType = UT_WRITE_CLASS_OTHER; |
323 | req.bRequest = UR_SET_FEATURE; |
324 | USETW(req.wValue, UHF_PORT_RESET); |
325 | USETW(req.wIndex, port); |
326 | USETW(req.wLength, 0); |
327 | err = usbd_do_request(dev, &req, 0); |
328 | DPRINTFN(1, "port %d reset done, error=%d" , port, err, 0, 0); |
329 | if (err) |
330 | return err; |
331 | n = 10; |
332 | do { |
333 | /* Wait for device to recover from reset. */ |
334 | usbd_delay_ms(dev, USB_PORT_RESET_DELAY); |
335 | err = usbd_get_port_status(dev, port, ps); |
336 | if (err) { |
337 | DPRINTF("get status failed %d" , err, 0, 0, 0); |
338 | return err; |
339 | } |
340 | /* If the device disappeared, just give up. */ |
341 | if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) |
342 | return USBD_NORMAL_COMPLETION; |
343 | } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); |
344 | if (n == 0) |
345 | return USBD_TIMEOUT; |
346 | err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); |
347 | #ifdef USB_DEBUG |
348 | if (err) |
349 | DPRINTF("clear port feature failed %d" , err, 0, 0, 0); |
350 | #endif |
351 | |
352 | /* Wait for the device to recover from reset. */ |
353 | usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); |
354 | return err; |
355 | } |
356 | |
357 | usb_interface_descriptor_t * |
358 | usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) |
359 | { |
360 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
361 | char *p = (char *)cd; |
362 | char *end = p + UGETW(cd->wTotalLength); |
363 | usb_interface_descriptor_t *d; |
364 | int curidx, lastidx, curaidx = 0; |
365 | |
366 | for (curidx = lastidx = -1; p < end; ) { |
367 | d = (usb_interface_descriptor_t *)p; |
368 | DPRINTFN(4, "idx=%d(%d) altidx=%d(%d)" , ifaceidx, curidx, |
369 | altidx, curaidx); |
370 | DPRINTFN(4, "len=%d type=%d" , d->bLength, d->bDescriptorType, |
371 | 0, 0); |
372 | if (d->bLength == 0) /* bad descriptor */ |
373 | break; |
374 | p += d->bLength; |
375 | if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { |
376 | if (d->bInterfaceNumber != lastidx) { |
377 | lastidx = d->bInterfaceNumber; |
378 | curidx++; |
379 | curaidx = 0; |
380 | } else |
381 | curaidx++; |
382 | if (ifaceidx == curidx && altidx == curaidx) |
383 | return d; |
384 | } |
385 | } |
386 | return NULL; |
387 | } |
388 | |
389 | usb_endpoint_descriptor_t * |
390 | usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, |
391 | int endptidx) |
392 | { |
393 | char *p = (char *)cd; |
394 | char *end = p + UGETW(cd->wTotalLength); |
395 | usb_interface_descriptor_t *d; |
396 | usb_endpoint_descriptor_t *e; |
397 | int curidx; |
398 | |
399 | d = usbd_find_idesc(cd, ifaceidx, altidx); |
400 | if (d == NULL) |
401 | return NULL; |
402 | if (endptidx >= d->bNumEndpoints) /* quick exit */ |
403 | return NULL; |
404 | |
405 | curidx = -1; |
406 | for (p = (char *)d + d->bLength; p < end; ) { |
407 | e = (usb_endpoint_descriptor_t *)p; |
408 | if (e->bLength == 0) /* bad descriptor */ |
409 | break; |
410 | p += e->bLength; |
411 | if (p <= end && e->bDescriptorType == UDESC_INTERFACE) |
412 | return NULL; |
413 | if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { |
414 | curidx++; |
415 | if (curidx == endptidx) |
416 | return e; |
417 | } |
418 | } |
419 | return NULL; |
420 | } |
421 | |
422 | usbd_status |
423 | usbd_fill_iface_data(struct usbd_device *dev, int ifaceidx, int altidx) |
424 | { |
425 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
426 | struct usbd_interface *ifc = &dev->ud_ifaces[ifaceidx]; |
427 | usb_interface_descriptor_t *idesc; |
428 | char *p, *end; |
429 | int endpt, nendpt; |
430 | |
431 | DPRINTFN(4, "ifaceidx=%d altidx=%d" , ifaceidx, altidx, 0, 0); |
432 | idesc = usbd_find_idesc(dev->ud_cdesc, ifaceidx, altidx); |
433 | if (idesc == NULL) |
434 | return USBD_INVAL; |
435 | ifc->ui_dev = dev; |
436 | ifc->ui_idesc = idesc; |
437 | ifc->ui_index = ifaceidx; |
438 | ifc->ui_altindex = altidx; |
439 | nendpt = ifc->ui_idesc->bNumEndpoints; |
440 | DPRINTFN(4, "found idesc nendpt=%d" , nendpt, 0, 0, 0); |
441 | if (nendpt != 0) { |
442 | ifc->ui_endpoints = kmem_alloc(nendpt * sizeof(struct usbd_endpoint), |
443 | KM_SLEEP); |
444 | if (ifc->ui_endpoints == NULL) |
445 | return USBD_NOMEM; |
446 | } else |
447 | ifc->ui_endpoints = NULL; |
448 | ifc->ui_priv = NULL; |
449 | p = (char *)ifc->ui_idesc + ifc->ui_idesc->bLength; |
450 | end = (char *)dev->ud_cdesc + UGETW(dev->ud_cdesc->wTotalLength); |
451 | #define ed ((usb_endpoint_descriptor_t *)p) |
452 | for (endpt = 0; endpt < nendpt; endpt++) { |
453 | DPRINTFN(10, "endpt=%d" , endpt, 0, 0, 0); |
454 | for (; p < end; p += ed->bLength) { |
455 | DPRINTFN(10, "p=%p end=%p len=%d type=%d" , |
456 | p, end, ed->bLength, ed->bDescriptorType); |
457 | if (p + ed->bLength <= end && ed->bLength != 0 && |
458 | ed->bDescriptorType == UDESC_ENDPOINT) |
459 | goto found; |
460 | if (ed->bLength == 0 || |
461 | ed->bDescriptorType == UDESC_INTERFACE) |
462 | break; |
463 | } |
464 | /* passed end, or bad desc */ |
465 | printf("usbd_fill_iface_data: bad descriptor(s): %s\n" , |
466 | ed->bLength == 0 ? "0 length" : |
467 | ed->bDescriptorType == UDESC_INTERFACE ? "iface desc" : |
468 | "out of data" ); |
469 | goto bad; |
470 | found: |
471 | ifc->ui_endpoints[endpt].ue_edesc = ed; |
472 | if (dev->ud_speed == USB_SPEED_HIGH) { |
473 | u_int mps; |
474 | /* Control and bulk endpoints have max packet limits. */ |
475 | switch (UE_GET_XFERTYPE(ed->bmAttributes)) { |
476 | case UE_CONTROL: |
477 | mps = USB_2_MAX_CTRL_PACKET; |
478 | goto check; |
479 | case UE_BULK: |
480 | mps = USB_2_MAX_BULK_PACKET; |
481 | check: |
482 | if (UGETW(ed->wMaxPacketSize) != mps) { |
483 | USETW(ed->wMaxPacketSize, mps); |
484 | #ifdef DIAGNOSTIC |
485 | printf("usbd_fill_iface_data: bad max " |
486 | "packet size\n" ); |
487 | #endif |
488 | } |
489 | break; |
490 | default: |
491 | break; |
492 | } |
493 | } |
494 | ifc->ui_endpoints[endpt].ue_refcnt = 0; |
495 | ifc->ui_endpoints[endpt].ue_toggle = 0; |
496 | p += ed->bLength; |
497 | } |
498 | #undef ed |
499 | LIST_INIT(&ifc->ui_pipes); |
500 | return USBD_NORMAL_COMPLETION; |
501 | |
502 | bad: |
503 | if (ifc->ui_endpoints != NULL) { |
504 | kmem_free(ifc->ui_endpoints, nendpt * sizeof(struct usbd_endpoint)); |
505 | ifc->ui_endpoints = NULL; |
506 | } |
507 | return USBD_INVAL; |
508 | } |
509 | |
510 | void |
511 | usbd_free_iface_data(struct usbd_device *dev, int ifcno) |
512 | { |
513 | struct usbd_interface *ifc = &dev->ud_ifaces[ifcno]; |
514 | if (ifc->ui_endpoints) { |
515 | int nendpt = ifc->ui_idesc->bNumEndpoints; |
516 | size_t sz = nendpt * sizeof(struct usbd_endpoint); |
517 | kmem_free(ifc->ui_endpoints, sz); |
518 | } |
519 | } |
520 | |
521 | Static usbd_status |
522 | usbd_set_config(struct usbd_device *dev, int conf) |
523 | { |
524 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
525 | usb_device_request_t req; |
526 | |
527 | DPRINTFN(5, "dev %p conf %d" , dev, conf, 0, 0); |
528 | |
529 | req.bmRequestType = UT_WRITE_DEVICE; |
530 | req.bRequest = UR_SET_CONFIG; |
531 | USETW(req.wValue, conf); |
532 | USETW(req.wIndex, 0); |
533 | USETW(req.wLength, 0); |
534 | return usbd_do_request(dev, &req, 0); |
535 | } |
536 | |
537 | usbd_status |
538 | usbd_set_config_no(struct usbd_device *dev, int no, int msg) |
539 | { |
540 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
541 | usb_config_descriptor_t cd; |
542 | usbd_status err; |
543 | int index; |
544 | |
545 | if (no == USB_UNCONFIG_NO) |
546 | return usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg); |
547 | |
548 | DPRINTFN(5, "%d" , no, 0, 0, 0); |
549 | /* Figure out what config index to use. */ |
550 | for (index = 0; index < dev->ud_ddesc.bNumConfigurations; index++) { |
551 | err = usbd_get_config_desc(dev, index, &cd); |
552 | if (err) |
553 | return err; |
554 | if (cd.bConfigurationValue == no) |
555 | return usbd_set_config_index(dev, index, msg); |
556 | } |
557 | return USBD_INVAL; |
558 | } |
559 | |
560 | usbd_status |
561 | usbd_set_config_index(struct usbd_device *dev, int index, int msg) |
562 | { |
563 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
564 | usb_config_descriptor_t cd, *cdp; |
565 | usb_bos_descriptor_t *bdp = NULL; |
566 | usbd_status err; |
567 | int i, ifcidx, nifc, len, selfpowered, power; |
568 | |
569 | DPRINTFN(5, "dev=%p index=%d" , dev, index, 0, 0); |
570 | |
571 | if (index >= dev->ud_ddesc.bNumConfigurations && |
572 | index != USB_UNCONFIG_INDEX) { |
573 | /* panic? */ |
574 | printf("usbd_set_config_index: illegal index\n" ); |
575 | return USBD_INVAL; |
576 | } |
577 | |
578 | /* XXX check that all interfaces are idle */ |
579 | if (dev->ud_config != USB_UNCONFIG_NO) { |
580 | DPRINTF("free old config" , 0, 0, 0, 0); |
581 | /* Free all configuration data structures. */ |
582 | nifc = dev->ud_cdesc->bNumInterface; |
583 | for (ifcidx = 0; ifcidx < nifc; ifcidx++) |
584 | usbd_free_iface_data(dev, ifcidx); |
585 | kmem_free(dev->ud_ifaces, nifc * sizeof(struct usbd_interface)); |
586 | kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); |
587 | if (dev->ud_bdesc != NULL) |
588 | kmem_free(dev->ud_bdesc, |
589 | UGETW(dev->ud_bdesc->wTotalLength)); |
590 | dev->ud_ifaces = NULL; |
591 | dev->ud_cdesc = NULL; |
592 | dev->ud_bdesc = NULL; |
593 | dev->ud_config = USB_UNCONFIG_NO; |
594 | } |
595 | |
596 | if (index == USB_UNCONFIG_INDEX) { |
597 | /* We are unconfiguring the device, so leave unallocated. */ |
598 | DPRINTF("set config 0" , 0, 0, 0, 0); |
599 | err = usbd_set_config(dev, USB_UNCONFIG_NO); |
600 | if (err) { |
601 | DPRINTF("setting config=0 failed, err = %d" , err, |
602 | 0, 0, 0); |
603 | } |
604 | return err; |
605 | } |
606 | |
607 | /* Get the short descriptor. */ |
608 | err = usbd_get_config_desc(dev, index, &cd); |
609 | if (err) { |
610 | DPRINTF("get_config_desc=%d" , err, 0, 0, 0); |
611 | return err; |
612 | } |
613 | len = UGETW(cd.wTotalLength); |
614 | cdp = kmem_alloc(len, KM_SLEEP); |
615 | if (cdp == NULL) |
616 | return USBD_NOMEM; |
617 | |
618 | /* Get the full descriptor. Try a few times for slow devices. */ |
619 | for (i = 0; i < 3; i++) { |
620 | err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); |
621 | if (!err) |
622 | break; |
623 | usbd_delay_ms(dev, 200); |
624 | } |
625 | if (err) { |
626 | DPRINTF("get_desc=%d" , err, 0, 0, 0); |
627 | goto bad; |
628 | } |
629 | if (cdp->bDescriptorType != UDESC_CONFIG) { |
630 | DPRINTF("bad desc %d" , cdp->bDescriptorType, 0, 0, 0); |
631 | err = USBD_INVAL; |
632 | goto bad; |
633 | } |
634 | |
635 | if (USB_IS_SS(dev->ud_speed)) { |
636 | usb_bos_descriptor_t bd; |
637 | |
638 | /* get short bos desc */ |
639 | err = usbd_get_bos_desc(dev, index, &bd); |
640 | if (!err) { |
641 | int blen = UGETW(bd.wTotalLength); |
642 | bdp = kmem_alloc(blen, KM_SLEEP); |
643 | if (bdp == NULL) { |
644 | err = USBD_NOMEM; |
645 | goto bad; |
646 | } |
647 | |
648 | /* Get the full desc */ |
649 | for (i = 0; i < 3; i++) { |
650 | err = usbd_get_desc(dev, UDESC_BOS, index, blen, |
651 | bdp); |
652 | if (!err) |
653 | break; |
654 | usbd_delay_ms(dev, 200); |
655 | } |
656 | if (err || bdp->bDescriptorType != UDESC_BOS) { |
657 | DPRINTF("error %d or bad desc %d" , err, |
658 | bdp->bDescriptorType, 0, 0); |
659 | kmem_free(bdp, blen); |
660 | bdp = NULL; |
661 | } |
662 | } |
663 | } |
664 | dev->ud_bdesc = bdp; |
665 | |
666 | /* |
667 | * Figure out if the device is self or bus powered. |
668 | */ |
669 | #if 0 /* XXX various devices don't report the power state correctly */ |
670 | selfpowered = 0; |
671 | err = usbd_get_device_status(dev, &ds); |
672 | if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) |
673 | selfpowered = 1; |
674 | #endif |
675 | /* |
676 | * Use the power state in the configuration we are going |
677 | * to set. This doesn't necessarily reflect the actual |
678 | * power state of the device; the driver can control this |
679 | * by choosing the appropriate configuration. |
680 | */ |
681 | selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); |
682 | |
683 | DPRINTF("addr %d cno=%d attr=0x%02x, selfpowered=%d" , |
684 | dev->ud_addr, cdp->bConfigurationValue, cdp->bmAttributes, |
685 | selfpowered); |
686 | DPRINTF("max power=%d" , cdp->bMaxPower * 2, 0, 0, 0); |
687 | |
688 | /* Check if we have enough power. */ |
689 | #if 0 /* this is a no-op, see above */ |
690 | if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { |
691 | if (msg) |
692 | printf("%s: device addr %d (config %d): " |
693 | "can't set self powered configuration\n" , |
694 | device_xname(dev->ud_bus->bdev), dev->ud_addr, |
695 | cdp->bConfigurationValue); |
696 | err = USBD_NO_POWER; |
697 | goto bad; |
698 | } |
699 | #endif |
700 | #ifdef USB_DEBUG |
701 | if (dev->ud_powersrc == NULL) { |
702 | DPRINTF("No power source?" , 0, 0, 0, 0); |
703 | err = USBD_IOERROR; |
704 | goto bad; |
705 | } |
706 | #endif |
707 | power = cdp->bMaxPower * 2; |
708 | if (power > dev->ud_powersrc->up_power) { |
709 | DPRINTF("power exceeded %d %d" , power, dev->ud_powersrc->up_power, |
710 | 0, 0); |
711 | /* XXX print nicer message. */ |
712 | if (msg) |
713 | printf("%s: device addr %d (config %d) exceeds power " |
714 | "budget, %d mA > %d mA\n" , |
715 | device_xname(dev->ud_bus->ub_usbctl), dev->ud_addr, |
716 | cdp->bConfigurationValue, |
717 | power, dev->ud_powersrc->up_power); |
718 | err = USBD_NO_POWER; |
719 | goto bad; |
720 | } |
721 | dev->ud_power = power; |
722 | dev->ud_selfpowered = selfpowered; |
723 | |
724 | /* Set the actual configuration value. */ |
725 | DPRINTF("set config %d" , cdp->bConfigurationValue, 0, 0, 0); |
726 | err = usbd_set_config(dev, cdp->bConfigurationValue); |
727 | if (err) { |
728 | DPRINTF("setting config=%d failed, error=%d" , |
729 | cdp->bConfigurationValue, err, 0, 0); |
730 | goto bad; |
731 | } |
732 | |
733 | /* Allocate and fill interface data. */ |
734 | nifc = cdp->bNumInterface; |
735 | dev->ud_ifaces = kmem_alloc(nifc * sizeof(struct usbd_interface), |
736 | KM_SLEEP); |
737 | if (dev->ud_ifaces == NULL) { |
738 | err = USBD_NOMEM; |
739 | goto bad; |
740 | } |
741 | DPRINTFN(5, "dev=%p cdesc=%p" , dev, cdp, 0, 0); |
742 | dev->ud_cdesc = cdp; |
743 | dev->ud_config = cdp->bConfigurationValue; |
744 | for (ifcidx = 0; ifcidx < nifc; ifcidx++) { |
745 | err = usbd_fill_iface_data(dev, ifcidx, 0); |
746 | if (err) { |
747 | while (--ifcidx >= 0) |
748 | usbd_free_iface_data(dev, ifcidx); |
749 | goto bad; |
750 | } |
751 | } |
752 | |
753 | return USBD_NORMAL_COMPLETION; |
754 | |
755 | bad: |
756 | kmem_free(cdp, len); |
757 | if (bdp != NULL) { |
758 | kmem_free(bdp, UGETW(bdp->wTotalLength)); |
759 | dev->ud_bdesc = NULL; |
760 | } |
761 | return err; |
762 | } |
763 | |
764 | /* XXX add function for alternate settings */ |
765 | |
766 | usbd_status |
767 | usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface, |
768 | struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe) |
769 | { |
770 | return usbd_setup_pipe_flags(dev, iface, ep, ival, pipe, 0); |
771 | } |
772 | |
773 | usbd_status |
774 | usbd_setup_pipe_flags(struct usbd_device *dev, struct usbd_interface *iface, |
775 | struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe, uint8_t flags) |
776 | { |
777 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
778 | struct usbd_pipe *p; |
779 | usbd_status err; |
780 | |
781 | p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP); |
782 | DPRINTFN(1, "dev=%p addr=%d iface=%p ep=%p pipe=%p" , dev, dev->ud_addr, iface, ep); |
783 | if (p == NULL) { |
784 | DPRINTFN(1, "(nomem)" , 0, 0, 0, 0); |
785 | return USBD_NOMEM; |
786 | } |
787 | p->up_dev = dev; |
788 | p->up_iface = iface; |
789 | p->up_endpoint = ep; |
790 | ep->ue_refcnt++; |
791 | p->up_intrxfer = NULL; |
792 | p->up_running = 0; |
793 | p->up_aborting = 0; |
794 | p->up_serialise = true; |
795 | p->up_repeat = 0; |
796 | p->up_interval = ival; |
797 | p->up_flags = flags; |
798 | p->up_serialise = true; |
799 | SIMPLEQ_INIT(&p->up_queue); |
800 | err = dev->ud_bus->ub_methods->ubm_open(p); |
801 | if (err) { |
802 | DPRINTF("endpoint=0x%x failed, error=%d" , |
803 | ep->ue_edesc->bEndpointAddress, err, 0, 0); |
804 | kmem_intr_free(p, dev->ud_bus->ub_pipesize); |
805 | return err; |
806 | } |
807 | |
808 | KASSERT(p->up_methods->upm_start || p->up_serialise == false); |
809 | |
810 | usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p, |
811 | USB_TASKQ_MPSAFE); |
812 | DPRINTFN(1, "pipe=%p" , p, 0, 0, 0); |
813 | *pipe = p; |
814 | return USBD_NORMAL_COMPLETION; |
815 | } |
816 | |
817 | /* Abort the device control pipe. */ |
818 | void |
819 | usbd_kill_pipe(struct usbd_pipe *pipe) |
820 | { |
821 | usbd_abort_pipe(pipe); |
822 | usbd_lock_pipe(pipe); |
823 | pipe->up_methods->upm_close(pipe); |
824 | usbd_unlock_pipe(pipe); |
825 | usb_rem_task(pipe->up_dev, &pipe->up_async_task); |
826 | pipe->up_endpoint->ue_refcnt--; |
827 | kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize); |
828 | } |
829 | |
830 | int |
831 | usbd_getnewaddr(struct usbd_bus *bus) |
832 | { |
833 | int addr; |
834 | |
835 | for (addr = 1; addr < USB_MAX_DEVICES; addr++) |
836 | if (bus->ub_devices[addr] == NULL) |
837 | return addr; |
838 | return -1; |
839 | } |
840 | |
841 | usbd_status |
842 | usbd_attach_roothub(device_t parent, struct usbd_device *dev) |
843 | { |
844 | struct usb_attach_arg uaa; |
845 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
846 | device_t dv; |
847 | |
848 | uaa.uaa_device = dev; |
849 | uaa.uaa_usegeneric = 0; |
850 | uaa.uaa_port = 0; |
851 | uaa.uaa_vendor = UGETW(dd->idVendor); |
852 | uaa.uaa_product = UGETW(dd->idProduct); |
853 | uaa.uaa_release = UGETW(dd->bcdDevice); |
854 | uaa.uaa_class = dd->bDeviceClass; |
855 | uaa.uaa_subclass = dd->bDeviceSubClass; |
856 | uaa.uaa_proto = dd->bDeviceProtocol; |
857 | |
858 | dv = config_found_ia(parent, "usbroothubif" , &uaa, 0); |
859 | if (dv) { |
860 | dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); |
861 | if (dev->ud_subdevs == NULL) |
862 | return USBD_NOMEM; |
863 | dev->ud_subdevs[0] = dv; |
864 | dev->ud_subdevlen = 1; |
865 | } |
866 | return USBD_NORMAL_COMPLETION; |
867 | } |
868 | |
869 | static void |
870 | usbd_serialnumber(device_t dv, struct usbd_device *dev) |
871 | { |
872 | if (dev->ud_serial) { |
873 | prop_dictionary_set_cstring(device_properties(dv), |
874 | "serialnumber" , dev->ud_serial); |
875 | } |
876 | } |
877 | |
878 | static usbd_status |
879 | usbd_attachwholedevice(device_t parent, struct usbd_device *dev, int port, |
880 | int usegeneric) |
881 | { |
882 | struct usb_attach_arg uaa; |
883 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
884 | device_t dv; |
885 | int dlocs[USBDEVIFCF_NLOCS]; |
886 | |
887 | uaa.uaa_device = dev; |
888 | uaa.uaa_usegeneric = usegeneric; |
889 | uaa.uaa_port = port; |
890 | uaa.uaa_vendor = UGETW(dd->idVendor); |
891 | uaa.uaa_product = UGETW(dd->idProduct); |
892 | uaa.uaa_release = UGETW(dd->bcdDevice); |
893 | uaa.uaa_class = dd->bDeviceClass; |
894 | uaa.uaa_subclass = dd->bDeviceSubClass; |
895 | uaa.uaa_proto = dd->bDeviceProtocol; |
896 | |
897 | dlocs[USBDEVIFCF_PORT] = uaa.uaa_port; |
898 | dlocs[USBDEVIFCF_VENDOR] = uaa.uaa_vendor; |
899 | dlocs[USBDEVIFCF_PRODUCT] = uaa.uaa_product; |
900 | dlocs[USBDEVIFCF_RELEASE] = uaa.uaa_release; |
901 | /* the rest is historical ballast */ |
902 | dlocs[USBDEVIFCF_CONFIGURATION] = -1; |
903 | dlocs[USBDEVIFCF_INTERFACE] = -1; |
904 | |
905 | KERNEL_LOCK(1, NULL); |
906 | dv = config_found_sm_loc(parent, "usbdevif" , dlocs, &uaa, usbd_print, |
907 | config_stdsubmatch); |
908 | KERNEL_UNLOCK_ONE(NULL); |
909 | if (dv) { |
910 | dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); |
911 | if (dev->ud_subdevs == NULL) |
912 | return USBD_NOMEM; |
913 | dev->ud_subdevs[0] = dv; |
914 | dev->ud_subdevlen = 1; |
915 | dev->ud_nifaces_claimed = 1; /* XXX */ |
916 | usbd_serialnumber(dv, dev); |
917 | } |
918 | return USBD_NORMAL_COMPLETION; |
919 | } |
920 | |
921 | static usbd_status |
922 | usbd_attachinterfaces(device_t parent, struct usbd_device *dev, |
923 | int port, const int *locators) |
924 | { |
925 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
926 | struct usbif_attach_arg uiaa; |
927 | int ilocs[USBIFIFCF_NLOCS]; |
928 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
929 | int nifaces; |
930 | struct usbd_interface **ifaces; |
931 | int i, j, loc; |
932 | device_t dv; |
933 | |
934 | nifaces = dev->ud_cdesc->bNumInterface; |
935 | ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP); |
936 | if (!ifaces) |
937 | return USBD_NOMEM; |
938 | for (i = 0; i < nifaces; i++) { |
939 | if (!dev->ud_subdevs[i]) { |
940 | ifaces[i] = &dev->ud_ifaces[i]; |
941 | } |
942 | DPRINTF("interface %d %p" , i, ifaces[i], 0, 0); |
943 | } |
944 | |
945 | |
946 | uiaa.uiaa_device = dev; |
947 | uiaa.uiaa_port = port; |
948 | uiaa.uiaa_vendor = UGETW(dd->idVendor); |
949 | uiaa.uiaa_product = UGETW(dd->idProduct); |
950 | uiaa.uiaa_release = UGETW(dd->bcdDevice); |
951 | uiaa.uiaa_configno = dev->ud_cdesc->bConfigurationValue; |
952 | uiaa.uiaa_ifaces = ifaces; |
953 | uiaa.uiaa_nifaces = nifaces; |
954 | ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port; |
955 | ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor; |
956 | ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product; |
957 | ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release; |
958 | ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno; |
959 | |
960 | for (i = 0; i < nifaces; i++) { |
961 | if (!ifaces[i]) { |
962 | DPRINTF("interface %d claimed" , i, 0, 0, 0); |
963 | continue; /* interface already claimed */ |
964 | } |
965 | uiaa.uiaa_iface = ifaces[i]; |
966 | uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass; |
967 | uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass; |
968 | uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol; |
969 | uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber; |
970 | |
971 | DPRINTF("searching for interface %d..." , i, 0, 0, 0); |
972 | DPRINTF("class %x subclass %x proto %x ifaceno %d" , |
973 | uiaa.uiaa_class, uiaa.uiaa_subclass, uiaa.uiaa_proto, |
974 | uiaa.uiaa_ifaceno); |
975 | ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno; |
976 | if (locators != NULL) { |
977 | loc = locators[USBIFIFCF_CONFIGURATION]; |
978 | if (loc != USBIFIFCF_CONFIGURATION_DEFAULT && |
979 | loc != uiaa.uiaa_configno) |
980 | continue; |
981 | loc = locators[USBIFIFCF_INTERFACE]; |
982 | if (loc != USBIFIFCF_INTERFACE_DEFAULT && |
983 | loc != uiaa.uiaa_ifaceno) |
984 | continue; |
985 | } |
986 | KERNEL_LOCK(1, NULL); |
987 | dv = config_found_sm_loc(parent, "usbifif" , ilocs, &uiaa, |
988 | usbd_ifprint, config_stdsubmatch); |
989 | KERNEL_UNLOCK_ONE(NULL); |
990 | if (!dv) |
991 | continue; |
992 | |
993 | usbd_serialnumber(dv, dev); |
994 | |
995 | /* claim */ |
996 | ifaces[i] = NULL; |
997 | /* account for ifaces claimed by the driver behind our back */ |
998 | for (j = 0; j < nifaces; j++) { |
999 | |
1000 | if (!ifaces[j] && !dev->ud_subdevs[j]) { |
1001 | DPRINTF("interface %d claimed behind our back" , |
1002 | j, 0, 0, 0); |
1003 | dev->ud_subdevs[j] = dv; |
1004 | dev->ud_nifaces_claimed++; |
1005 | } |
1006 | } |
1007 | } |
1008 | |
1009 | kmem_free(ifaces, nifaces * sizeof(*ifaces)); |
1010 | return USBD_NORMAL_COMPLETION; |
1011 | } |
1012 | |
1013 | usbd_status |
1014 | usbd_probe_and_attach(device_t parent, struct usbd_device *dev, |
1015 | int port, int addr) |
1016 | { |
1017 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1018 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
1019 | int confi, nifaces; |
1020 | usbd_status err; |
1021 | |
1022 | /* First try with device specific drivers. */ |
1023 | DPRINTF("trying device specific drivers" , 0, 0, 0, 0); |
1024 | err = usbd_attachwholedevice(parent, dev, port, 0); |
1025 | if (dev->ud_nifaces_claimed || err) |
1026 | return err; |
1027 | DPRINTF("no device specific driver found" , 0, 0, 0, 0); |
1028 | |
1029 | DPRINTF("looping over %d configurations" , dd->bNumConfigurations, |
1030 | 0, 0, 0); |
1031 | for (confi = 0; confi < dd->bNumConfigurations; confi++) { |
1032 | DPRINTFN(1, "trying config idx=%d" , confi, 0, 0, 0); |
1033 | err = usbd_set_config_index(dev, confi, 1); |
1034 | if (err) { |
1035 | DPRINTF("port %d, set config at addr %d failed, " |
1036 | "error=%d" , port, addr, err, 0); |
1037 | printf("%s: port %d, set config at addr %d failed\n" , |
1038 | device_xname(parent), port, addr); |
1039 | return err; |
1040 | } |
1041 | nifaces = dev->ud_cdesc->bNumInterface; |
1042 | dev->ud_subdevs = kmem_zalloc(nifaces * sizeof(device_t), |
1043 | KM_SLEEP); |
1044 | if (dev->ud_subdevs == NULL) |
1045 | return USBD_NOMEM; |
1046 | dev->ud_subdevlen = nifaces; |
1047 | |
1048 | err = usbd_attachinterfaces(parent, dev, port, NULL); |
1049 | |
1050 | if (!dev->ud_nifaces_claimed) { |
1051 | kmem_free(dev->ud_subdevs, |
1052 | dev->ud_subdevlen * sizeof(device_t)); |
1053 | dev->ud_subdevs = 0; |
1054 | dev->ud_subdevlen = 0; |
1055 | } |
1056 | if (dev->ud_nifaces_claimed || err) |
1057 | return err; |
1058 | } |
1059 | /* No interfaces were attached in any of the configurations. */ |
1060 | |
1061 | if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ |
1062 | usbd_set_config_index(dev, 0, 0); |
1063 | |
1064 | DPRINTF("no interface drivers found" , 0, 0, 0, 0); |
1065 | |
1066 | /* Finally try the generic driver. */ |
1067 | err = usbd_attachwholedevice(parent, dev, port, 1); |
1068 | |
1069 | /* |
1070 | * The generic attach failed, but leave the device as it is. |
1071 | * We just did not find any drivers, that's all. The device is |
1072 | * fully operational and not harming anyone. |
1073 | */ |
1074 | DPRINTF("generic attach failed" , 0, 0, 0, 0); |
1075 | |
1076 | return USBD_NORMAL_COMPLETION; |
1077 | } |
1078 | |
1079 | /** |
1080 | * Called from uhub_rescan(). usbd_new_device() for the target dev must be |
1081 | * called before calling this. |
1082 | */ |
1083 | usbd_status |
1084 | usbd_reattach_device(device_t parent, struct usbd_device *dev, |
1085 | int port, const int *locators) |
1086 | { |
1087 | int i, loc; |
1088 | |
1089 | if (locators != NULL) { |
1090 | loc = locators[USBIFIFCF_PORT]; |
1091 | if (loc != USBIFIFCF_PORT_DEFAULT && loc != port) |
1092 | return USBD_NORMAL_COMPLETION; |
1093 | loc = locators[USBIFIFCF_VENDOR]; |
1094 | if (loc != USBIFIFCF_VENDOR_DEFAULT && |
1095 | loc != UGETW(dev->ud_ddesc.idVendor)) |
1096 | return USBD_NORMAL_COMPLETION; |
1097 | loc = locators[USBIFIFCF_PRODUCT]; |
1098 | if (loc != USBIFIFCF_PRODUCT_DEFAULT && |
1099 | loc != UGETW(dev->ud_ddesc.idProduct)) |
1100 | return USBD_NORMAL_COMPLETION; |
1101 | loc = locators[USBIFIFCF_RELEASE]; |
1102 | if (loc != USBIFIFCF_RELEASE_DEFAULT && |
1103 | loc != UGETW(dev->ud_ddesc.bcdDevice)) |
1104 | return USBD_NORMAL_COMPLETION; |
1105 | } |
1106 | if (dev->ud_subdevlen == 0) { |
1107 | /* XXX: check USBIFIFCF_CONFIGURATION and |
1108 | * USBIFIFCF_INTERFACE too */ |
1109 | return usbd_probe_and_attach(parent, dev, port, dev->ud_addr); |
1110 | } else if (dev->ud_subdevlen != dev->ud_cdesc->bNumInterface) { |
1111 | /* device-specific or generic driver is already attached. */ |
1112 | return USBD_NORMAL_COMPLETION; |
1113 | } |
1114 | /* Does the device have unconfigured interfaces? */ |
1115 | for (i = 0; i < dev->ud_subdevlen; i++) { |
1116 | if (dev->ud_subdevs[i] == NULL) { |
1117 | break; |
1118 | } |
1119 | } |
1120 | if (i >= dev->ud_subdevlen) |
1121 | return USBD_NORMAL_COMPLETION; |
1122 | return usbd_attachinterfaces(parent, dev, port, locators); |
1123 | } |
1124 | |
1125 | /* |
1126 | * Get the first 8 bytes of the device descriptor. |
1127 | * Do as Windows does: try to read 64 bytes -- there are devices which |
1128 | * recognize the initial descriptor fetch (before the control endpoint's |
1129 | * MaxPacketSize is known by the host) by exactly this length. |
1130 | */ |
1131 | usbd_status |
1132 | usbd_get_initial_ddesc(struct usbd_device *dev, usb_device_descriptor_t *desc) |
1133 | { |
1134 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1135 | usb_device_request_t req; |
1136 | char buf[64]; |
1137 | int res, actlen; |
1138 | |
1139 | DPRINTFN(5, "dev %p" , dev, 0, 0, 0); |
1140 | |
1141 | req.bmRequestType = UT_READ_DEVICE; |
1142 | req.bRequest = UR_GET_DESCRIPTOR; |
1143 | USETW2(req.wValue, UDESC_DEVICE, 0); |
1144 | USETW(req.wIndex, 0); |
1145 | USETW(req.wLength, 64); |
1146 | res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK, |
1147 | &actlen, USBD_DEFAULT_TIMEOUT); |
1148 | if (res) |
1149 | return res; |
1150 | if (actlen < 8) |
1151 | return USBD_SHORT_XFER; |
1152 | memcpy(desc, buf, 8); |
1153 | return USBD_NORMAL_COMPLETION; |
1154 | } |
1155 | |
1156 | /* |
1157 | * Called when a new device has been put in the powered state, |
1158 | * but not yet in the addressed state. |
1159 | * Get initial descriptor, set the address, get full descriptor, |
1160 | * and attach a driver. |
1161 | */ |
1162 | usbd_status |
1163 | usbd_new_device(device_t parent, struct usbd_bus* bus, int depth, |
1164 | int speed, int port, struct usbd_port *up) |
1165 | { |
1166 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1167 | struct usbd_device *dev, *adev; |
1168 | struct usbd_device *hub; |
1169 | usb_device_descriptor_t *dd; |
1170 | usb_port_status_t ps; |
1171 | usbd_status err; |
1172 | int addr; |
1173 | int i; |
1174 | int p; |
1175 | |
1176 | DPRINTF("bus=%p port=%d depth=%d speed=%d" , bus, port, depth, speed); |
1177 | |
1178 | if (bus->ub_methods->ubm_newdev != NULL) |
1179 | return (bus->ub_methods->ubm_newdev)(parent, bus, depth, speed, |
1180 | port, up); |
1181 | |
1182 | addr = usbd_getnewaddr(bus); |
1183 | if (addr < 0) { |
1184 | printf("%s: No free USB addresses, new device ignored.\n" , |
1185 | device_xname(bus->ub_usbctl)); |
1186 | return USBD_NO_ADDR; |
1187 | } |
1188 | |
1189 | dev = kmem_zalloc(sizeof(*dev), KM_SLEEP); |
1190 | if (dev == NULL) |
1191 | return USBD_NOMEM; |
1192 | |
1193 | dev->ud_bus = bus; |
1194 | |
1195 | /* Set up default endpoint handle. */ |
1196 | dev->ud_ep0.ue_edesc = &dev->ud_ep0desc; |
1197 | |
1198 | /* Set up default endpoint descriptor. */ |
1199 | dev->ud_ep0desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; |
1200 | dev->ud_ep0desc.bDescriptorType = UDESC_ENDPOINT; |
1201 | dev->ud_ep0desc.bEndpointAddress = USB_CONTROL_ENDPOINT; |
1202 | dev->ud_ep0desc.bmAttributes = UE_CONTROL; |
1203 | /* |
1204 | * temporary, will be fixed after first descriptor fetch |
1205 | * (which uses 64 bytes so it shouldn't be less), |
1206 | * highspeed devices must support 64 byte packets anyway |
1207 | */ |
1208 | if (speed == USB_SPEED_HIGH || speed == USB_SPEED_FULL) |
1209 | USETW(dev->ud_ep0desc.wMaxPacketSize, 64); |
1210 | else |
1211 | USETW(dev->ud_ep0desc.wMaxPacketSize, USB_MAX_IPACKET); |
1212 | |
1213 | dev->ud_ep0desc.bInterval = 0; |
1214 | |
1215 | /* doesn't matter, just don't leave it uninitialized */ |
1216 | dev->ud_ep0.ue_toggle = 0; |
1217 | |
1218 | dev->ud_quirks = &usbd_no_quirk; |
1219 | dev->ud_addr = USB_START_ADDR; |
1220 | dev->ud_ddesc.bMaxPacketSize = 0; |
1221 | dev->ud_depth = depth; |
1222 | dev->ud_powersrc = up; |
1223 | dev->ud_myhub = up->up_parent; |
1224 | |
1225 | up->up_dev = dev; |
1226 | |
1227 | /* Locate port on upstream high speed hub */ |
1228 | for (adev = dev, hub = up->up_parent; |
1229 | hub != NULL && hub->ud_speed != USB_SPEED_HIGH; |
1230 | adev = hub, hub = hub->ud_myhub) |
1231 | ; |
1232 | if (hub) { |
1233 | for (p = 0; p < hub->ud_hub->uh_hubdesc.bNbrPorts; p++) { |
1234 | if (hub->ud_hub->uh_ports[p].up_dev == adev) { |
1235 | dev->ud_myhsport = &hub->ud_hub->uh_ports[p]; |
1236 | goto found; |
1237 | } |
1238 | } |
1239 | panic("usbd_new_device: cannot find HS port" ); |
1240 | found: |
1241 | DPRINTFN(1, "high speed port %d" , p, 0, 0, 0); |
1242 | } else { |
1243 | dev->ud_myhsport = NULL; |
1244 | } |
1245 | dev->ud_speed = speed; |
1246 | dev->ud_langid = USBD_NOLANG; |
1247 | dev->ud_cookie.cookie = ++usb_cookie_no; |
1248 | |
1249 | /* Establish the default pipe. */ |
1250 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
1251 | &dev->ud_pipe0, USBD_MPSAFE); |
1252 | if (err) { |
1253 | usbd_remove_device(dev, up); |
1254 | return err; |
1255 | } |
1256 | |
1257 | dd = &dev->ud_ddesc; |
1258 | /* Try a few times in case the device is slow (i.e. outside specs.) */ |
1259 | for (i = 0; i < 10; i++) { |
1260 | /* Get the first 8 bytes of the device descriptor. */ |
1261 | err = usbd_get_initial_ddesc(dev, dd); |
1262 | if (!err) |
1263 | break; |
1264 | usbd_delay_ms(dev, 200); |
1265 | if ((i & 3) == 3) |
1266 | usbd_reset_port(up->up_parent, port, &ps); |
1267 | } |
1268 | if (err) { |
1269 | DPRINTF("addr=%d, getting first desc failed: %d" , addr, err, |
1270 | 0, 0); |
1271 | usbd_remove_device(dev, up); |
1272 | return err; |
1273 | } |
1274 | |
1275 | /* Windows resets the port here, do likewise */ |
1276 | if (up->up_parent) |
1277 | usbd_reset_port(up->up_parent, port, &ps); |
1278 | |
1279 | if (speed == USB_SPEED_HIGH) { |
1280 | /* Max packet size must be 64 (sec 5.5.3). */ |
1281 | if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { |
1282 | #ifdef DIAGNOSTIC |
1283 | printf("usbd_new_device: addr=%d bad max packet " |
1284 | "size=%d. adjusting to %d.\n" , |
1285 | addr, dd->bMaxPacketSize, USB_2_MAX_CTRL_PACKET); |
1286 | #endif |
1287 | dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; |
1288 | } |
1289 | } |
1290 | |
1291 | DPRINTF("adding unit addr=%d, rev=%02x, class=%d, subclass=%d" , addr, |
1292 | UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass); |
1293 | DPRINTF("protocol=%d, maxpacket=%d, len=%d, speed=%d" , |
1294 | dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, dev->ud_speed); |
1295 | |
1296 | if (dd->bDescriptorType != UDESC_DEVICE) { |
1297 | /* Illegal device descriptor */ |
1298 | DPRINTF("illegal descriptor %d" , dd->bDescriptorType, 0, 0, 0); |
1299 | usbd_remove_device(dev, up); |
1300 | return USBD_INVAL; |
1301 | } |
1302 | |
1303 | if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { |
1304 | DPRINTF("bad length %d" , dd->bLength, 0, 0, 0); |
1305 | usbd_remove_device(dev, up); |
1306 | return USBD_INVAL; |
1307 | } |
1308 | |
1309 | USETW(dev->ud_ep0desc.wMaxPacketSize, dd->bMaxPacketSize); |
1310 | |
1311 | /* Re-establish the default pipe with the new MPS. */ |
1312 | usbd_kill_pipe(dev->ud_pipe0); |
1313 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
1314 | &dev->ud_pipe0, USBD_MPSAFE); |
1315 | if (err) { |
1316 | DPRINTF("setup default pipe failed err %d" , err, 0, 0, 0); |
1317 | usbd_remove_device(dev, up); |
1318 | return err; |
1319 | } |
1320 | |
1321 | /* Set the address */ |
1322 | DPRINTFN(5, "setting device address=%d" , addr, 0, 0, 0); |
1323 | err = usbd_set_address(dev, addr); |
1324 | if (err) { |
1325 | DPRINTF("set address %d failed, err = %d" , addr, err, 0, 0); |
1326 | err = USBD_SET_ADDR_FAILED; |
1327 | usbd_remove_device(dev, up); |
1328 | return err; |
1329 | } |
1330 | |
1331 | /* Allow device time to set new address */ |
1332 | usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); |
1333 | dev->ud_addr = addr; /* new device address now */ |
1334 | bus->ub_devices[addr] = dev; |
1335 | |
1336 | /* Re-establish the default pipe with the new address. */ |
1337 | usbd_kill_pipe(dev->ud_pipe0); |
1338 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
1339 | &dev->ud_pipe0, USBD_MPSAFE); |
1340 | if (err) { |
1341 | DPRINTF("setup default pipe failed, err = %d" , err, 0, 0, 0); |
1342 | usbd_remove_device(dev, up); |
1343 | return err; |
1344 | } |
1345 | |
1346 | err = usbd_reload_device_desc(dev); |
1347 | if (err) { |
1348 | DPRINTF("addr=%d, getting full desc failed, err = %d" , addr, |
1349 | err, 0, 0); |
1350 | usbd_remove_device(dev, up); |
1351 | return err; |
1352 | } |
1353 | |
1354 | /* Assume 100mA bus powered for now. Changed when configured. */ |
1355 | dev->ud_power = USB_MIN_POWER; |
1356 | dev->ud_selfpowered = 0; |
1357 | |
1358 | DPRINTF("new dev (addr %d), dev=%p, parent=%p" , addr, dev, parent, 0); |
1359 | |
1360 | usbd_get_device_strings(dev); |
1361 | |
1362 | usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); |
1363 | |
1364 | if (port == 0) { /* root hub */ |
1365 | KASSERT(addr == 1); |
1366 | usbd_attach_roothub(parent, dev); |
1367 | return USBD_NORMAL_COMPLETION; |
1368 | } |
1369 | |
1370 | err = usbd_probe_and_attach(parent, dev, port, addr); |
1371 | if (err) { |
1372 | usbd_remove_device(dev, up); |
1373 | return err; |
1374 | } |
1375 | |
1376 | return USBD_NORMAL_COMPLETION; |
1377 | } |
1378 | |
1379 | usbd_status |
1380 | usbd_reload_device_desc(struct usbd_device *dev) |
1381 | { |
1382 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1383 | usb_device_descriptor_t *udd = &dev->ud_ddesc; |
1384 | usbd_status err; |
1385 | |
1386 | /* Get the full device descriptor. */ |
1387 | err = usbd_get_device_desc(dev, udd); |
1388 | if (err) |
1389 | return err; |
1390 | |
1391 | DPRINTFN(15, "bLength %5u" , udd->bLength, 0, 0, 0); |
1392 | DPRINTFN(15, "bDescriptorType %5u" , udd->bDescriptorType, 0, 0, 0); |
1393 | DPRINTFN(15, "bcdUSB %2x.%02x" , udd->bcdUSB[1], |
1394 | udd->bcdUSB[0], 0, 0); |
1395 | DPRINTFN(15, "bDeviceClass %5u" , udd->bDeviceClass, 0, 0, 0); |
1396 | DPRINTFN(15, "bDeviceSubClass %5u" , udd->bDeviceSubClass, 0, 0, 0); |
1397 | DPRINTFN(15, "bDeviceProtocol %5u" , udd->bDeviceProtocol, 0, 0, 0); |
1398 | DPRINTFN(15, "bMaxPacketSize0 %5u" , udd->bMaxPacketSize, 0, 0, 0); |
1399 | DPRINTFN(15, "idVendor 0x%04x" , udd->idVendor, 0, 0, 0); |
1400 | DPRINTFN(15, "idProduct 0x%04x" , udd->idProduct, 0, 0, 0); |
1401 | DPRINTFN(15, "bcdDevice %2x.%02x" , udd->bcdDevice[1], |
1402 | udd->bcdDevice[0], 0, 0); |
1403 | DPRINTFN(15, "iManufacturer %5u" , udd->iManufacturer, 0, 0, 0); |
1404 | DPRINTFN(15, "iProduct %5u" , udd->iProduct, 0, 0, 0); |
1405 | DPRINTFN(15, "iSerial %5u" , udd->iSerialNumber, 0, 0, 0); |
1406 | DPRINTFN(15, "bNumConfigurations %5u" , udd->bNumConfigurations, 0, 0, |
1407 | 0); |
1408 | |
1409 | /* Figure out what's wrong with this device. */ |
1410 | dev->ud_quirks = usbd_find_quirk(udd); |
1411 | |
1412 | return USBD_NORMAL_COMPLETION; |
1413 | } |
1414 | |
1415 | void |
1416 | usbd_remove_device(struct usbd_device *dev, struct usbd_port *up) |
1417 | { |
1418 | |
1419 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1420 | |
1421 | DPRINTF("dev %p up %p" , dev, up, 0, 0); |
1422 | |
1423 | if (dev->ud_pipe0 != NULL) |
1424 | usbd_kill_pipe(dev->ud_pipe0); |
1425 | up->up_dev = NULL; |
1426 | dev->ud_bus->ub_devices[dev->ud_addr] = NULL; |
1427 | |
1428 | kmem_free(dev, sizeof(*dev)); |
1429 | } |
1430 | |
1431 | int |
1432 | usbd_print(void *aux, const char *pnp) |
1433 | { |
1434 | struct usb_attach_arg *uaa = aux; |
1435 | |
1436 | if (pnp) { |
1437 | #define USB_DEVINFO 1024 |
1438 | char *devinfo; |
1439 | if (!uaa->uaa_usegeneric) |
1440 | return QUIET; |
1441 | devinfo = kmem_alloc(USB_DEVINFO, KM_SLEEP); |
1442 | usbd_devinfo(uaa->uaa_device, 1, devinfo, USB_DEVINFO); |
1443 | aprint_normal("%s, %s" , devinfo, pnp); |
1444 | kmem_free(devinfo, USB_DEVINFO); |
1445 | } |
1446 | aprint_normal(" port %d" , uaa->uaa_port); |
1447 | #if 0 |
1448 | /* |
1449 | * It gets very crowded with these locators on the attach line. |
1450 | * They are not really needed since they are printed in the clear |
1451 | * by each driver. |
1452 | */ |
1453 | if (uaa->uaa_vendor != UHUB_UNK_VENDOR) |
1454 | aprint_normal(" vendor 0x%04x" , uaa->uaa_vendor); |
1455 | if (uaa->uaa_product != UHUB_UNK_PRODUCT) |
1456 | aprint_normal(" product 0x%04x" , uaa->uaa_product); |
1457 | if (uaa->uaa_release != UHUB_UNK_RELEASE) |
1458 | aprint_normal(" release 0x%04x" , uaa->uaa_release); |
1459 | #endif |
1460 | return UNCONF; |
1461 | } |
1462 | |
1463 | int |
1464 | usbd_ifprint(void *aux, const char *pnp) |
1465 | { |
1466 | struct usbif_attach_arg *uiaa = aux; |
1467 | |
1468 | if (pnp) |
1469 | return QUIET; |
1470 | aprint_normal(" port %d" , uiaa->uiaa_port); |
1471 | aprint_normal(" configuration %d" , uiaa->uiaa_configno); |
1472 | aprint_normal(" interface %d" , uiaa->uiaa_ifaceno); |
1473 | #if 0 |
1474 | /* |
1475 | * It gets very crowded with these locators on the attach line. |
1476 | * They are not really needed since they are printed in the clear |
1477 | * by each driver. |
1478 | */ |
1479 | if (uaa->uaa_vendor != UHUB_UNK_VENDOR) |
1480 | aprint_normal(" vendor 0x%04x" , uaa->uaa_vendor); |
1481 | if (uaa->uaa_product != UHUB_UNK_PRODUCT) |
1482 | aprint_normal(" product 0x%04x" , uaa->uaa_product); |
1483 | if (uaa->uaa_release != UHUB_UNK_RELEASE) |
1484 | aprint_normal(" release 0x%04x" , uaa->uaa_release); |
1485 | #endif |
1486 | return UNCONF; |
1487 | } |
1488 | |
1489 | void |
1490 | usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di, |
1491 | int usedev) |
1492 | { |
1493 | struct usbd_port *p; |
1494 | int i, j, err; |
1495 | |
1496 | di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); |
1497 | di->udi_addr = dev->ud_addr; |
1498 | di->udi_cookie = dev->ud_cookie; |
1499 | usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), |
1500 | di->udi_product, sizeof(di->udi_product), usedev, 1); |
1501 | usbd_printBCD(di->udi_release, sizeof(di->udi_release), |
1502 | UGETW(dev->ud_ddesc.bcdDevice)); |
1503 | if (usedev) { |
1504 | usbd_status uerr = usbd_get_string(dev, |
1505 | dev->ud_ddesc.iSerialNumber, di->udi_serial); |
1506 | if (uerr != USBD_NORMAL_COMPLETION) { |
1507 | di->udi_serial[0] = '\0'; |
1508 | } else { |
1509 | usbd_trim_spaces(di->udi_serial); |
1510 | } |
1511 | } else { |
1512 | di->udi_serial[0] = '\0'; |
1513 | if (dev->ud_serial) { |
1514 | strlcpy(di->udi_serial, dev->ud_serial, |
1515 | sizeof(di->udi_serial)); |
1516 | } |
1517 | } |
1518 | |
1519 | di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); |
1520 | di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); |
1521 | di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); |
1522 | di->udi_class = dev->ud_ddesc.bDeviceClass; |
1523 | di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; |
1524 | di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; |
1525 | di->udi_config = dev->ud_config; |
1526 | di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; |
1527 | di->udi_speed = dev->ud_speed; |
1528 | |
1529 | if (dev->ud_subdevlen > 0) { |
1530 | for (i = 0, j = 0; i < dev->ud_subdevlen && |
1531 | j < USB_MAX_DEVNAMES; i++) { |
1532 | if (!dev->ud_subdevs[i]) |
1533 | continue; |
1534 | strncpy(di->udi_devnames[j], |
1535 | device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); |
1536 | di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; |
1537 | j++; |
1538 | } |
1539 | } else { |
1540 | j = 0; |
1541 | } |
1542 | for (/* j is set */; j < USB_MAX_DEVNAMES; j++) |
1543 | di->udi_devnames[j][0] = 0; /* empty */ |
1544 | |
1545 | if (!dev->ud_hub) { |
1546 | di->udi_nports = 0; |
1547 | return; |
1548 | } |
1549 | |
1550 | const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; |
1551 | for (i = 0; i < __arraycount(di->udi_ports) && i < nports; i++) { |
1552 | p = &dev->ud_hub->uh_ports[i]; |
1553 | if (p->up_dev) |
1554 | err = p->up_dev->ud_addr; |
1555 | else { |
1556 | int s = UGETW(p->up_status.wPortStatus); |
1557 | if (s & UPS_PORT_ENABLED) |
1558 | err = USB_PORT_ENABLED; |
1559 | else if (s & UPS_SUSPEND) |
1560 | err = USB_PORT_SUSPENDED; |
1561 | /* |
1562 | * Note: UPS_PORT_POWER_SS is available only |
1563 | * on 3.x, and UPS_PORT_POWER is available |
1564 | * only on 2.0 or 1.1. |
1565 | */ |
1566 | else if (USB_IS_SS(dev->ud_speed) && |
1567 | (s & UPS_PORT_POWER_SS)) |
1568 | err = USB_PORT_POWERED; |
1569 | else if (s & UPS_PORT_POWER) |
1570 | err = USB_PORT_POWERED; |
1571 | else |
1572 | err = USB_PORT_DISABLED; |
1573 | } |
1574 | di->udi_ports[i] = err; |
1575 | } |
1576 | di->udi_nports = nports; |
1577 | } |
1578 | |
1579 | #ifdef COMPAT_30 |
1580 | void |
1581 | usbd_fill_deviceinfo_old(struct usbd_device *dev, struct usb_device_info_old *di, |
1582 | int usedev) |
1583 | { |
1584 | struct usbd_port *p; |
1585 | int i, j, err; |
1586 | |
1587 | di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); |
1588 | di->udi_addr = dev->ud_addr; |
1589 | di->udi_cookie = dev->ud_cookie; |
1590 | usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), |
1591 | di->udi_product, sizeof(di->udi_product), usedev, 0); |
1592 | usbd_printBCD(di->udi_release, sizeof(di->udi_release), |
1593 | UGETW(dev->ud_ddesc.bcdDevice)); |
1594 | di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); |
1595 | di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); |
1596 | di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); |
1597 | di->udi_class = dev->ud_ddesc.bDeviceClass; |
1598 | di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; |
1599 | di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; |
1600 | di->udi_config = dev->ud_config; |
1601 | di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; |
1602 | di->udi_speed = dev->ud_speed; |
1603 | |
1604 | if (dev->ud_subdevlen > 0) { |
1605 | for (i = 0, j = 0; i < dev->ud_subdevlen && |
1606 | j < USB_MAX_DEVNAMES; i++) { |
1607 | if (!dev->ud_subdevs[i]) |
1608 | continue; |
1609 | strncpy(di->udi_devnames[j], |
1610 | device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); |
1611 | di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; |
1612 | j++; |
1613 | } |
1614 | } else { |
1615 | j = 0; |
1616 | } |
1617 | for (/* j is set */; j < USB_MAX_DEVNAMES; j++) |
1618 | di->udi_devnames[j][0] = 0; /* empty */ |
1619 | |
1620 | if (!dev->ud_hub) { |
1621 | di->udi_nports = 0; |
1622 | return; |
1623 | } |
1624 | |
1625 | const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; |
1626 | for (i = 0; i < __arraycount(di->udi_ports) && i < nports; |
1627 | i++) { |
1628 | p = &dev->ud_hub->uh_ports[i]; |
1629 | if (p->up_dev) |
1630 | err = p->up_dev->ud_addr; |
1631 | else { |
1632 | int s = UGETW(p->up_status.wPortStatus); |
1633 | if (s & UPS_PORT_ENABLED) |
1634 | err = USB_PORT_ENABLED; |
1635 | else if (s & UPS_SUSPEND) |
1636 | err = USB_PORT_SUSPENDED; |
1637 | else if (s & UPS_PORT_POWER) |
1638 | err = USB_PORT_POWERED; |
1639 | else |
1640 | err = USB_PORT_DISABLED; |
1641 | } |
1642 | di->udi_ports[i] = err; |
1643 | } |
1644 | di->udi_nports = nports; |
1645 | } |
1646 | #endif |
1647 | |
1648 | |
1649 | void |
1650 | usb_free_device(struct usbd_device *dev) |
1651 | { |
1652 | int ifcidx, nifc; |
1653 | |
1654 | if (dev->ud_pipe0 != NULL) |
1655 | usbd_kill_pipe(dev->ud_pipe0); |
1656 | if (dev->ud_ifaces != NULL) { |
1657 | nifc = dev->ud_cdesc->bNumInterface; |
1658 | for (ifcidx = 0; ifcidx < nifc; ifcidx++) |
1659 | usbd_free_iface_data(dev, ifcidx); |
1660 | kmem_free(dev->ud_ifaces, |
1661 | nifc * sizeof(struct usbd_interface)); |
1662 | } |
1663 | if (dev->ud_cdesc != NULL) |
1664 | kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); |
1665 | if (dev->ud_bdesc != NULL) |
1666 | kmem_free(dev->ud_bdesc, UGETW(dev->ud_bdesc->wTotalLength)); |
1667 | if (dev->ud_subdevlen > 0) { |
1668 | kmem_free(dev->ud_subdevs, |
1669 | dev->ud_subdevlen * sizeof(device_t)); |
1670 | dev->ud_subdevlen = 0; |
1671 | } |
1672 | if (dev->ud_vendor) { |
1673 | kmem_free(dev->ud_vendor, USB_MAX_ENCODED_STRING_LEN); |
1674 | } |
1675 | if (dev->ud_product) { |
1676 | kmem_free(dev->ud_product, USB_MAX_ENCODED_STRING_LEN); |
1677 | } |
1678 | if (dev->ud_serial) { |
1679 | kmem_free(dev->ud_serial, USB_MAX_ENCODED_STRING_LEN); |
1680 | } |
1681 | kmem_free(dev, sizeof(*dev)); |
1682 | } |
1683 | |
1684 | /* |
1685 | * The general mechanism for detaching drivers works as follows: Each |
1686 | * driver is responsible for maintaining a reference count on the |
1687 | * number of outstanding references to its softc (e.g. from |
1688 | * processing hanging in a read or write). The detach method of the |
1689 | * driver decrements this counter and flags in the softc that the |
1690 | * driver is dying and then wakes any sleepers. It then sleeps on the |
1691 | * softc. Each place that can sleep must maintain the reference |
1692 | * count. When the reference count drops to -1 (0 is the normal value |
1693 | * of the reference count) the a wakeup on the softc is performed |
1694 | * signaling to the detach waiter that all references are gone. |
1695 | */ |
1696 | |
1697 | /* |
1698 | * Called from process context when we discover that a port has |
1699 | * been disconnected. |
1700 | */ |
1701 | int |
1702 | usb_disconnect_port(struct usbd_port *up, device_t parent, int flags) |
1703 | { |
1704 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
1705 | struct usbd_device *dev = up->up_dev; |
1706 | device_t subdev; |
1707 | char subdevname[16]; |
1708 | const char *hubname = device_xname(parent); |
1709 | int i, rc; |
1710 | |
1711 | DPRINTFN(3, "up=%p dev=%p port=%d" , up, dev, up->up_portno, 0); |
1712 | |
1713 | if (dev == NULL) { |
1714 | return 0; |
1715 | } |
1716 | |
1717 | if (dev->ud_subdevlen > 0) { |
1718 | DPRINTFN(3, "disconnect subdevs" , 0, 0, 0, 0); |
1719 | for (i = 0; i < dev->ud_subdevlen; i++) { |
1720 | if ((subdev = dev->ud_subdevs[i]) == NULL) |
1721 | continue; |
1722 | strlcpy(subdevname, device_xname(subdev), |
1723 | sizeof(subdevname)); |
1724 | if ((rc = config_detach(subdev, flags)) != 0) |
1725 | return rc; |
1726 | printf("%s: at %s" , subdevname, hubname); |
1727 | if (up->up_portno != 0) |
1728 | printf(" port %d" , up->up_portno); |
1729 | printf(" (addr %d) disconnected\n" , dev->ud_addr); |
1730 | } |
1731 | KASSERT(!dev->ud_nifaces_claimed); |
1732 | } |
1733 | |
1734 | usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); |
1735 | dev->ud_bus->ub_devices[dev->ud_addr] = NULL; |
1736 | up->up_dev = NULL; |
1737 | usb_free_device(dev); |
1738 | return 0; |
1739 | } |
1740 | |