1 /* $OpenBSD: usb_subr.c,v 1.152 2020/08/27 19:34:37 mglocker 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 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/kernel.h> 38 #include <sys/malloc.h> 39 #include <sys/device.h> 40 #include <sys/selinfo.h> 41 #include <sys/rwlock.h> 42 43 #include <machine/bus.h> 44 45 #include <dev/usb/usb.h> 46 47 #include <dev/usb/usbdi.h> 48 #include <dev/usb/usbdi_util.h> 49 #include <dev/usb/usbdivar.h> 50 #include <dev/usb/usbdevs.h> 51 #include <dev/usb/usb_quirks.h> 52 53 #ifdef USB_DEBUG 54 #define DPRINTF(x) do { if (usbdebug) printf x; } while (0) 55 #define DPRINTFN(n,x) do { if (usbdebug>(n)) printf x; } while (0) 56 extern int usbdebug; 57 #else 58 #define DPRINTF(x) 59 #define DPRINTFN(n,x) 60 #endif 61 62 usbd_status usbd_set_config(struct usbd_device *, int); 63 void usbd_devinfo(struct usbd_device *, int, char *, size_t); 64 char *usbd_get_device_string(struct usbd_device *, uByte); 65 char *usbd_get_string(struct usbd_device *, int, char *, size_t); 66 int usbd_getnewaddr(struct usbd_bus *); 67 int usbd_print(void *, const char *); 68 void usbd_free_iface_data(struct usbd_device *, int); 69 int usbd_cache_devinfo(struct usbd_device *); 70 usbd_status usbd_probe_and_attach(struct device *, 71 struct usbd_device *, int, int); 72 73 int usbd_printBCD(char *cp, size_t len, int bcd); 74 void usb_free_device(struct usbd_device *); 75 int usbd_parse_idesc(struct usbd_device *, struct usbd_interface *); 76 77 #ifdef USBVERBOSE 78 #include <dev/usb/usbdevs_data.h> 79 #endif /* USBVERBOSE */ 80 81 const char * const usbd_error_strs[] = { 82 "NORMAL_COMPLETION", 83 "IN_PROGRESS", 84 "PENDING_REQUESTS", 85 "NOT_STARTED", 86 "INVAL", 87 "NOMEM", 88 "CANCELLED", 89 "BAD_ADDRESS", 90 "IN_USE", 91 "NO_ADDR", 92 "SET_ADDR_FAILED", 93 "NO_POWER", 94 "TOO_DEEP", 95 "IOERROR", 96 "NOT_CONFIGURED", 97 "TIMEOUT", 98 "SHORT_XFER", 99 "STALLED", 100 "INTERRUPTED", 101 "XXX", 102 }; 103 104 const char * 105 usbd_errstr(usbd_status err) 106 { 107 static char buffer[5]; 108 109 if (err < USBD_ERROR_MAX) 110 return (usbd_error_strs[err]); 111 else { 112 snprintf(buffer, sizeof(buffer), "%d", err); 113 return (buffer); 114 } 115 } 116 117 usbd_status 118 usbd_get_string_desc(struct usbd_device *dev, int sindex, int langid, 119 usb_string_descriptor_t *sdesc, int *sizep) 120 { 121 usb_device_request_t req; 122 usbd_status err; 123 int actlen; 124 125 req.bmRequestType = UT_READ_DEVICE; 126 req.bRequest = UR_GET_DESCRIPTOR; 127 USETW2(req.wValue, UDESC_STRING, sindex); 128 USETW(req.wIndex, langid); 129 USETW(req.wLength, 2); /* size and descriptor type first */ 130 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 131 &actlen, USBD_DEFAULT_TIMEOUT); 132 if (err) 133 return (err); 134 135 if (actlen < 2) 136 return (USBD_SHORT_XFER); 137 138 USETW(req.wLength, sdesc->bLength); /* the whole string */ 139 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 140 &actlen, USBD_DEFAULT_TIMEOUT); 141 if (err) 142 return (err); 143 144 if (actlen != sdesc->bLength) { 145 DPRINTFN(-1, ("%s: expected %d, got %d\n", __func__, 146 sdesc->bLength, actlen)); 147 } 148 149 *sizep = actlen; 150 return (USBD_NORMAL_COMPLETION); 151 } 152 153 char * 154 usbd_get_string(struct usbd_device *dev, int si, char *buf, size_t buflen) 155 { 156 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 157 usb_string_descriptor_t us; 158 char *s; 159 int i, n; 160 u_int16_t c; 161 usbd_status err; 162 int size; 163 164 if (si == 0) 165 return (0); 166 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 167 return (0); 168 if (dev->langid == USBD_NOLANG) { 169 /* Set up default language */ 170 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us, 171 &size); 172 if (err || size < 4) 173 dev->langid = 0; /* Well, just pick English then */ 174 else { 175 /* Pick the first language as the default. */ 176 dev->langid = UGETW(us.bString[0]); 177 } 178 } 179 err = usbd_get_string_desc(dev, si, dev->langid, &us, &size); 180 if (err) 181 return (0); 182 s = buf; 183 n = size / 2 - 1; 184 for (i = 0; i < n && i < buflen ; i++) { 185 c = UGETW(us.bString[i]); 186 /* Convert from Unicode, handle buggy strings. */ 187 if ((c & 0xff00) == 0) 188 *s++ = c; 189 else if ((c & 0x00ff) == 0 && swap) 190 *s++ = c >> 8; 191 else 192 *s++ = '?'; 193 } 194 if (buflen > 0) 195 *s++ = 0; 196 return (buf); 197 } 198 199 static void 200 usbd_trim_spaces(char *p) 201 { 202 char *q, *e; 203 204 if (p == NULL) 205 return; 206 q = e = p; 207 while (*q == ' ') /* skip leading spaces */ 208 q++; 209 while ((*p = *q++)) /* copy string */ 210 if (*p++ != ' ') /* remember last non-space */ 211 e = p; 212 *e = 0; /* kill trailing spaces */ 213 } 214 215 char * 216 usbd_get_device_string(struct usbd_device *dev, uByte index) 217 { 218 char *buf; 219 220 buf = malloc(USB_MAX_STRING_LEN, M_USB, M_NOWAIT); 221 if (buf == NULL) 222 return (NULL); 223 224 if (usbd_get_string(dev, index, buf, USB_MAX_STRING_LEN) != NULL) { 225 usbd_trim_spaces(buf); 226 } else { 227 free(buf, M_USB, USB_MAX_STRING_LEN); 228 buf = NULL; 229 } 230 231 return (buf); 232 } 233 234 int 235 usbd_cache_devinfo(struct usbd_device *dev) 236 { 237 usb_device_descriptor_t *udd = &dev->ddesc; 238 239 dev->serial = malloc(USB_MAX_STRING_LEN, M_USB, M_NOWAIT); 240 if (dev->serial == NULL) 241 return (ENOMEM); 242 243 if (usbd_get_string(dev, udd->iSerialNumber, dev->serial, USB_MAX_STRING_LEN) != NULL) { 244 usbd_trim_spaces(dev->serial); 245 } else { 246 free(dev->serial, M_USB, USB_MAX_STRING_LEN); 247 dev->serial = NULL; 248 } 249 250 dev->vendor = malloc(USB_MAX_STRING_LEN, M_USB, M_NOWAIT); 251 if (dev->vendor == NULL) 252 return (ENOMEM); 253 254 if (usbd_get_string(dev, udd->iManufacturer, dev->vendor, USB_MAX_STRING_LEN) != NULL) { 255 usbd_trim_spaces(dev->vendor); 256 } else { 257 #ifdef USBVERBOSE 258 const struct usb_known_vendor *ukv; 259 260 for (ukv = usb_known_vendors; ukv->vendorname != NULL; ukv++) { 261 if (ukv->vendor == UGETW(udd->idVendor)) { 262 strlcpy(dev->vendor, ukv->vendorname, 263 USB_MAX_STRING_LEN); 264 break; 265 } 266 } 267 if (ukv->vendorname == NULL) 268 #endif 269 snprintf(dev->vendor, USB_MAX_STRING_LEN, "vendor 0x%04x", 270 UGETW(udd->idVendor)); 271 } 272 273 dev->product = malloc(USB_MAX_STRING_LEN, M_USB, M_NOWAIT); 274 if (dev->product == NULL) 275 return (ENOMEM); 276 277 if (usbd_get_string(dev, udd->iProduct, dev->product, USB_MAX_STRING_LEN) != NULL) { 278 usbd_trim_spaces(dev->product); 279 } else { 280 #ifdef USBVERBOSE 281 const struct usb_known_product *ukp; 282 283 for (ukp = usb_known_products; ukp->productname != NULL; ukp++) { 284 if (ukp->vendor == UGETW(udd->idVendor) && 285 (ukp->product == UGETW(udd->idProduct))) { 286 strlcpy(dev->product, ukp->productname, 287 USB_MAX_STRING_LEN); 288 break; 289 } 290 } 291 if (ukp->productname == NULL) 292 #endif 293 snprintf(dev->product, USB_MAX_STRING_LEN, "product 0x%04x", 294 UGETW(udd->idProduct)); 295 } 296 297 return (0); 298 } 299 300 int 301 usbd_printBCD(char *cp, size_t len, int bcd) 302 { 303 int l; 304 305 l = snprintf(cp, len, "%x.%02x", bcd >> 8, bcd & 0xff); 306 if (l == -1 || len == 0) 307 return (0); 308 if (l >= len) 309 return len - 1; 310 return (l); 311 } 312 313 void 314 usbd_devinfo(struct usbd_device *dev, int showclass, char *base, size_t len) 315 { 316 usb_device_descriptor_t *udd = &dev->ddesc; 317 char *cp = base; 318 int bcdDevice, bcdUSB; 319 320 snprintf(cp, len, "\"%s %s\"", dev->vendor, dev->product); 321 cp += strlen(cp); 322 if (showclass) { 323 snprintf(cp, base + len - cp, ", class %d/%d", 324 udd->bDeviceClass, udd->bDeviceSubClass); 325 cp += strlen(cp); 326 } 327 bcdUSB = UGETW(udd->bcdUSB); 328 bcdDevice = UGETW(udd->bcdDevice); 329 snprintf(cp, base + len - cp, " rev "); 330 cp += strlen(cp); 331 usbd_printBCD(cp, base + len - cp, bcdUSB); 332 cp += strlen(cp); 333 snprintf(cp, base + len - cp, "/"); 334 cp += strlen(cp); 335 usbd_printBCD(cp, base + len - cp, bcdDevice); 336 cp += strlen(cp); 337 snprintf(cp, base + len - cp, " addr %d", dev->address); 338 } 339 340 /* Delay for a certain number of ms */ 341 void 342 usb_delay_ms(struct usbd_bus *bus, u_int ms) 343 { 344 static int usb_delay_wchan; 345 346 if (bus->use_polling || cold) 347 delay((ms+1) * 1000); 348 else 349 tsleep_nsec(&usb_delay_wchan, PRIBIO, "usbdly", 350 MSEC_TO_NSEC(ms)); 351 } 352 353 /* Delay given a device handle. */ 354 void 355 usbd_delay_ms(struct usbd_device *dev, u_int ms) 356 { 357 if (usbd_is_dying(dev)) 358 return; 359 360 usb_delay_ms(dev->bus, ms); 361 } 362 363 usbd_status 364 usbd_port_disown_to_1_1(struct usbd_device *dev, int port) 365 { 366 usb_port_status_t ps; 367 usbd_status err; 368 int n; 369 370 err = usbd_set_port_feature(dev, port, UHF_PORT_DISOWN_TO_1_1); 371 DPRINTF(("%s: port %d disown request done, error=%s\n", __func__, 372 port, usbd_errstr(err))); 373 if (err) 374 return (err); 375 n = 10; 376 do { 377 /* Wait for device to recover from reset. */ 378 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 379 err = usbd_get_port_status(dev, port, &ps); 380 if (err) { 381 DPRINTF(("%s: get status failed %d\n", __func__, err)); 382 return (err); 383 } 384 /* If the device disappeared, just give up. */ 385 if (!(UGETW(ps.wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 386 return (USBD_NORMAL_COMPLETION); 387 } while ((UGETW(ps.wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 388 if (n == 0) 389 return (USBD_TIMEOUT); 390 391 return (err); 392 } 393 394 int 395 usbd_reset_port(struct usbd_device *dev, int port) 396 { 397 usb_port_status_t ps; 398 int n; 399 400 if (usbd_set_port_feature(dev, port, UHF_PORT_RESET)) 401 return (EIO); 402 DPRINTF(("%s: port %d reset done\n", __func__, port)); 403 n = 10; 404 do { 405 /* Wait for device to recover from reset. */ 406 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 407 if (usbd_get_port_status(dev, port, &ps)) { 408 DPRINTF(("%s: get status failed\n", __func__)); 409 return (EIO); 410 } 411 /* If the device disappeared, just give up. */ 412 if (!(UGETW(ps.wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 413 return (0); 414 } while ((UGETW(ps.wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 415 416 /* Clear port reset even if a timeout occured. */ 417 if (usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET)) { 418 DPRINTF(("%s: clear port feature failed\n", __func__)); 419 return (EIO); 420 } 421 422 if (n == 0) 423 return (ETIMEDOUT); 424 425 /* Wait for the device to recover from reset. */ 426 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 427 return (0); 428 } 429 430 usb_interface_descriptor_t * 431 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 432 { 433 char *p = (char *)cd; 434 char *end = p + UGETW(cd->wTotalLength); 435 usb_interface_descriptor_t *d; 436 int curidx, lastidx, curaidx = 0; 437 438 for (curidx = lastidx = -1; p < end; ) { 439 d = (usb_interface_descriptor_t *)p; 440 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 441 "type=%d\n", 442 ifaceidx, curidx, altidx, curaidx, 443 d->bLength, d->bDescriptorType)); 444 if (d->bLength == 0) /* bad descriptor */ 445 break; 446 p += d->bLength; 447 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 448 if (d->bInterfaceNumber != lastidx) { 449 lastidx = d->bInterfaceNumber; 450 curidx++; 451 curaidx = 0; 452 } else 453 curaidx++; 454 if (ifaceidx == curidx && altidx == curaidx) 455 return (d); 456 } 457 } 458 return (NULL); 459 } 460 461 usb_endpoint_descriptor_t * 462 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 463 int endptidx) 464 { 465 char *p = (char *)cd; 466 char *end = p + UGETW(cd->wTotalLength); 467 usb_interface_descriptor_t *d; 468 usb_endpoint_descriptor_t *e; 469 int curidx; 470 471 d = usbd_find_idesc(cd, ifaceidx, altidx); 472 if (d == NULL) 473 return (NULL); 474 if (endptidx >= d->bNumEndpoints) /* quick exit */ 475 return (NULL); 476 477 curidx = -1; 478 for (p = (char *)d + d->bLength; p < end; ) { 479 e = (usb_endpoint_descriptor_t *)p; 480 if (e->bLength == 0) /* bad descriptor */ 481 break; 482 p += e->bLength; 483 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 484 return (NULL); 485 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 486 curidx++; 487 if (curidx == endptidx) 488 return (e); 489 } 490 } 491 return (NULL); 492 } 493 494 usbd_status 495 usbd_fill_iface_data(struct usbd_device *dev, int ifaceidx, int altidx) 496 { 497 struct usbd_interface *ifc = &dev->ifaces[ifaceidx]; 498 usb_interface_descriptor_t *idesc; 499 int nendpt; 500 501 DPRINTFN(4,("%s: ifaceidx=%d altidx=%d\n", __func__, ifaceidx, altidx)); 502 503 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 504 if (idesc == NULL) 505 return (USBD_INVAL); 506 507 nendpt = idesc->bNumEndpoints; 508 DPRINTFN(4,("%s: found idesc nendpt=%d\n", __func__, nendpt)); 509 510 ifc->device = dev; 511 ifc->idesc = idesc; 512 ifc->index = ifaceidx; 513 ifc->altindex = altidx; 514 ifc->endpoints = NULL; 515 ifc->priv = NULL; 516 LIST_INIT(&ifc->pipes); 517 ifc->nendpt = nendpt; 518 519 if (nendpt != 0) { 520 ifc->endpoints = mallocarray(nendpt, sizeof(*ifc->endpoints), 521 M_USB, M_NOWAIT | M_ZERO); 522 if (ifc->endpoints == NULL) 523 return (USBD_NOMEM); 524 } 525 526 if (usbd_parse_idesc(dev, ifc)) { 527 free(ifc->endpoints, M_USB, nendpt * sizeof(*ifc->endpoints)); 528 ifc->endpoints = NULL; 529 return (USBD_INVAL); 530 } 531 532 return (USBD_NORMAL_COMPLETION); 533 } 534 535 int 536 usbd_parse_idesc(struct usbd_device *dev, struct usbd_interface *ifc) 537 { 538 #define ed ((usb_endpoint_descriptor_t *)p) 539 char *p, *end; 540 int i; 541 542 p = (char *)ifc->idesc + ifc->idesc->bLength; 543 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 544 545 for (i = 0; i < ifc->idesc->bNumEndpoints; i++) { 546 for (; p < end; p += ed->bLength) { 547 if (p + ed->bLength <= end && ed->bLength != 0 && 548 ed->bDescriptorType == UDESC_ENDPOINT) 549 break; 550 551 if (ed->bLength == 0 || 552 ed->bDescriptorType == UDESC_INTERFACE) 553 return (-1); 554 } 555 556 if (p >= end) 557 return (-1); 558 559 if (dev->speed == USB_SPEED_HIGH) { 560 unsigned int mps; 561 562 /* Control and bulk endpoints have max packet limits. */ 563 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 564 case UE_CONTROL: 565 mps = USB_2_MAX_CTRL_PACKET; 566 goto check; 567 case UE_BULK: 568 mps = USB_2_MAX_BULK_PACKET; 569 check: 570 if (UGETW(ed->wMaxPacketSize) != mps) { 571 USETW(ed->wMaxPacketSize, mps); 572 DPRINTF(("%s: bad max packet size\n", 573 __func__)); 574 } 575 break; 576 default: 577 break; 578 } 579 } 580 581 ifc->endpoints[i].edesc = ed; 582 ifc->endpoints[i].refcnt = 0; 583 ifc->endpoints[i].savedtoggle = 0; 584 p += ed->bLength; 585 } 586 587 return (0); 588 #undef ed 589 } 590 591 void 592 usbd_free_iface_data(struct usbd_device *dev, int ifcno) 593 { 594 struct usbd_interface *ifc = &dev->ifaces[ifcno]; 595 596 free(ifc->endpoints, M_USB, ifc->nendpt * sizeof(*ifc->endpoints)); 597 ifc->endpoints = NULL; 598 } 599 600 usbd_status 601 usbd_set_config(struct usbd_device *dev, int conf) 602 { 603 usb_device_request_t req; 604 605 req.bmRequestType = UT_WRITE_DEVICE; 606 req.bRequest = UR_SET_CONFIG; 607 USETW(req.wValue, conf); 608 USETW(req.wIndex, 0); 609 USETW(req.wLength, 0); 610 return (usbd_do_request(dev, &req, 0)); 611 } 612 613 usbd_status 614 usbd_set_config_no(struct usbd_device *dev, int no, int msg) 615 { 616 int index; 617 usb_config_descriptor_t cd; 618 usbd_status err; 619 620 DPRINTFN(5,("%s: %d\n", __func__, no)); 621 /* Figure out what config index to use. */ 622 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 623 err = usbd_get_desc(dev, UDESC_CONFIG, index, 624 USB_CONFIG_DESCRIPTOR_SIZE, &cd); 625 if (err || cd.bDescriptorType != UDESC_CONFIG) 626 return (err); 627 if (cd.bConfigurationValue == no) 628 return (usbd_set_config_index(dev, index, msg)); 629 } 630 return (USBD_INVAL); 631 } 632 633 usbd_status 634 usbd_set_config_index(struct usbd_device *dev, int index, int msg) 635 { 636 usb_status_t ds; 637 usb_config_descriptor_t cd, *cdp; 638 usbd_status err; 639 int i, ifcidx, nifc, cdplen, selfpowered, power; 640 641 DPRINTFN(5,("%s: dev=%p index=%d\n", __func__, dev, index)); 642 643 /* XXX check that all interfaces are idle */ 644 if (dev->config != USB_UNCONFIG_NO) { 645 DPRINTF(("%s: free old config\n", __func__)); 646 /* Free all configuration data structures. */ 647 nifc = dev->cdesc->bNumInterface; 648 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 649 usbd_free_iface_data(dev, ifcidx); 650 free(dev->ifaces, M_USB, nifc * sizeof(*dev->ifaces)); 651 free(dev->cdesc, M_USB, UGETW(dev->cdesc->wTotalLength)); 652 dev->ifaces = NULL; 653 dev->cdesc = NULL; 654 dev->config = USB_UNCONFIG_NO; 655 } 656 657 if (index == USB_UNCONFIG_INDEX) { 658 /* We are unconfiguring the device, so leave unallocated. */ 659 DPRINTF(("%s: set config 0\n", __func__)); 660 err = usbd_set_config(dev, USB_UNCONFIG_NO); 661 if (err) 662 DPRINTF(("%s: setting config=0 failed, error=%s\n", 663 __func__, usbd_errstr(err))); 664 return (err); 665 } 666 667 /* Get the short descriptor. */ 668 err = usbd_get_desc(dev, UDESC_CONFIG, index, 669 USB_CONFIG_DESCRIPTOR_SIZE, &cd); 670 if (err) 671 return (err); 672 if (cd.bDescriptorType != UDESC_CONFIG) 673 return (USBD_INVAL); 674 cdplen = UGETW(cd.wTotalLength); 675 cdp = malloc(cdplen, M_USB, M_NOWAIT); 676 if (cdp == NULL) 677 return (USBD_NOMEM); 678 /* Get the full descriptor. */ 679 for (i = 0; i < 3; i++) { 680 err = usbd_get_desc(dev, UDESC_CONFIG, index, cdplen, cdp); 681 if (!err) 682 break; 683 usbd_delay_ms(dev, 200); 684 } 685 if (err) 686 goto bad; 687 688 if (cdp->bDescriptorType != UDESC_CONFIG) { 689 DPRINTFN(-1,("%s: bad desc %d\n", __func__, 690 cdp->bDescriptorType)); 691 err = USBD_INVAL; 692 goto bad; 693 } 694 695 /* Figure out if the device is self or bus powered. */ 696 selfpowered = 0; 697 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 698 (cdp->bmAttributes & UC_SELF_POWERED)) { 699 /* May be self powered. */ 700 if (cdp->bmAttributes & UC_BUS_POWERED) { 701 /* Must ask device. */ 702 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 703 /* 704 * Hub claims to be self powered, but isn't. 705 * It seems that the power status can be 706 * determined by the hub characteristics. 707 */ 708 usb_hub_descriptor_t hd; 709 usb_device_request_t req; 710 req.bmRequestType = UT_READ_CLASS_DEVICE; 711 req.bRequest = UR_GET_DESCRIPTOR; 712 USETW(req.wValue, 0); 713 USETW(req.wIndex, 0); 714 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 715 err = usbd_do_request(dev, &req, &hd); 716 if (!err && 717 (UGETW(hd.wHubCharacteristics) & 718 UHD_PWR_INDIVIDUAL)) 719 selfpowered = 1; 720 DPRINTF(("%s: charac=0x%04x, error=%s\n", 721 __func__, UGETW(hd.wHubCharacteristics), 722 usbd_errstr(err))); 723 } else { 724 err = usbd_get_device_status(dev, &ds); 725 if (!err && 726 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 727 selfpowered = 1; 728 DPRINTF(("%s: status=0x%04x, error=%s\n", 729 __func__, UGETW(ds.wStatus), 730 usbd_errstr(err))); 731 } 732 } else 733 selfpowered = 1; 734 } 735 DPRINTF(("%s: (addr %d) cno=%d attr=0x%02x, selfpowered=%d, power=%d\n", 736 __func__, dev->address, cdp->bConfigurationValue, cdp->bmAttributes, 737 selfpowered, cdp->bMaxPower * 2)); 738 739 /* Check if we have enough power. */ 740 #ifdef USB_DEBUG 741 if (dev->powersrc == NULL) { 742 DPRINTF(("%s: No power source?\n", __func__)); 743 err = USBD_IOERROR; 744 goto bad; 745 } 746 #endif 747 power = cdp->bMaxPower * 2; 748 if (power > dev->powersrc->power) { 749 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 750 /* XXX print nicer message. */ 751 if (msg) 752 printf("%s: device addr %d (config %d) exceeds power " 753 "budget, %d mA > %d mA\n", 754 dev->bus->bdev.dv_xname, dev->address, 755 cdp->bConfigurationValue, 756 power, dev->powersrc->power); 757 err = USBD_NO_POWER; 758 goto bad; 759 } 760 dev->power = power; 761 dev->self_powered = selfpowered; 762 763 /* Set the actual configuration value. */ 764 DPRINTF(("%s: set config %d\n", __func__, cdp->bConfigurationValue)); 765 err = usbd_set_config(dev, cdp->bConfigurationValue); 766 if (err) { 767 DPRINTF(("%s: setting config=%d failed, error=%s\n", __func__, 768 cdp->bConfigurationValue, usbd_errstr(err))); 769 goto bad; 770 } 771 772 /* Allocate and fill interface data. */ 773 nifc = cdp->bNumInterface; 774 dev->ifaces = mallocarray(nifc, sizeof(*dev->ifaces), M_USB, 775 M_NOWAIT | M_ZERO); 776 if (dev->ifaces == NULL) { 777 err = USBD_NOMEM; 778 goto bad; 779 } 780 DPRINTFN(5,("%s: dev=%p cdesc=%p\n", __func__, dev, cdp)); 781 dev->cdesc = cdp; 782 dev->config = cdp->bConfigurationValue; 783 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 784 err = usbd_fill_iface_data(dev, ifcidx, 0); 785 if (err) 786 return (err); 787 } 788 789 return (USBD_NORMAL_COMPLETION); 790 791 bad: 792 free(cdp, M_USB, cdplen); 793 return (err); 794 } 795 796 /* XXX add function for alternate settings */ 797 798 usbd_status 799 usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface, 800 struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe) 801 { 802 struct usbd_pipe *p; 803 usbd_status err; 804 805 DPRINTF(("%s: dev=%p iface=%p ep=%p pipe=%p\n", __func__, 806 dev, iface, ep, pipe)); 807 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT|M_ZERO); 808 if (p == NULL) 809 return (USBD_NOMEM); 810 p->pipe_size = dev->bus->pipe_size; 811 p->device = dev; 812 p->iface = iface; 813 p->endpoint = ep; 814 ep->refcnt++; 815 p->interval = ival; 816 SIMPLEQ_INIT(&p->queue); 817 err = dev->bus->methods->open_pipe(p); 818 if (err) { 819 DPRINTF(("%s: endpoint=0x%x failed, error=%s\n", __func__, 820 ep->edesc->bEndpointAddress, usbd_errstr(err))); 821 free(p, M_USB, dev->bus->pipe_size); 822 return (err); 823 } 824 *pipe = p; 825 return (USBD_NORMAL_COMPLETION); 826 } 827 828 int 829 usbd_set_address(struct usbd_device *dev, int addr) 830 { 831 usb_device_request_t req; 832 833 req.bmRequestType = UT_WRITE_DEVICE; 834 req.bRequest = UR_SET_ADDRESS; 835 USETW(req.wValue, addr); 836 USETW(req.wIndex, 0); 837 USETW(req.wLength, 0); 838 if (usbd_do_request(dev, &req, 0)) 839 return (1); 840 841 /* Allow device time to set new address */ 842 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 843 844 return (0); 845 } 846 847 int 848 usbd_getnewaddr(struct usbd_bus *bus) 849 { 850 int addr; 851 852 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 853 if (bus->devices[addr] == NULL) 854 return (addr); 855 return (-1); 856 } 857 858 usbd_status 859 usbd_probe_and_attach(struct device *parent, struct usbd_device *dev, int port, 860 int addr) 861 { 862 struct usb_attach_arg uaa; 863 usb_device_descriptor_t *dd = &dev->ddesc; 864 int i, confi, nifaces; 865 usbd_status err; 866 struct device *dv; 867 struct usbd_interface **ifaces; 868 extern struct rwlock usbpalock; 869 870 rw_enter_write(&usbpalock); 871 872 uaa.device = dev; 873 uaa.iface = NULL; 874 uaa.ifaces = NULL; 875 uaa.nifaces = 0; 876 uaa.usegeneric = 0; 877 uaa.port = port; 878 uaa.configno = UHUB_UNK_CONFIGURATION; 879 uaa.ifaceno = UHUB_UNK_INTERFACE; 880 uaa.vendor = UGETW(dd->idVendor); 881 uaa.product = UGETW(dd->idProduct); 882 uaa.release = UGETW(dd->bcdDevice); 883 884 /* First try with device specific drivers. */ 885 DPRINTF(("usbd_probe_and_attach trying device specific drivers\n")); 886 dv = config_found(parent, &uaa, usbd_print); 887 if (dv) { 888 dev->subdevs = mallocarray(2, sizeof dv, M_USB, M_NOWAIT); 889 if (dev->subdevs == NULL) { 890 err = USBD_NOMEM; 891 goto fail; 892 } 893 dev->nsubdev = 2; 894 dev->subdevs[dev->ndevs++] = dv; 895 dev->subdevs[dev->ndevs] = 0; 896 err = USBD_NORMAL_COMPLETION; 897 goto fail; 898 } 899 900 DPRINTF(("%s: no device specific driver found\n", __func__)); 901 902 DPRINTF(("%s: looping over %d configurations\n", __func__, 903 dd->bNumConfigurations)); 904 /* Next try with interface drivers. */ 905 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 906 DPRINTFN(1,("%s: trying config idx=%d\n", __func__, 907 confi)); 908 err = usbd_set_config_index(dev, confi, 1); 909 if (err) { 910 #ifdef USB_DEBUG 911 DPRINTF(("%s: port %d, set config at addr %d failed, " 912 "error=%s\n", parent->dv_xname, port, 913 addr, usbd_errstr(err))); 914 #else 915 printf("%s: port %d, set config %d at addr %d failed\n", 916 parent->dv_xname, port, confi, addr); 917 #endif 918 919 goto fail; 920 } 921 nifaces = dev->cdesc->bNumInterface; 922 uaa.configno = dev->cdesc->bConfigurationValue; 923 ifaces = mallocarray(nifaces, sizeof(*ifaces), M_USB, M_NOWAIT); 924 if (ifaces == NULL) { 925 err = USBD_NOMEM; 926 goto fail; 927 } 928 for (i = 0; i < nifaces; i++) 929 ifaces[i] = &dev->ifaces[i]; 930 uaa.ifaces = ifaces; 931 uaa.nifaces = nifaces; 932 933 /* add 1 for possible ugen and 1 for NULL terminator */ 934 dev->subdevs = mallocarray(nifaces + 2, sizeof(dv), M_USB, 935 M_NOWAIT | M_ZERO); 936 if (dev->subdevs == NULL) { 937 free(ifaces, M_USB, nifaces * sizeof(*ifaces)); 938 err = USBD_NOMEM; 939 goto fail; 940 } 941 dev->nsubdev = nifaces + 2; 942 943 for (i = 0; i < nifaces; i++) { 944 if (usbd_iface_claimed(dev, i)) 945 continue; 946 uaa.iface = ifaces[i]; 947 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 948 dv = config_found(parent, &uaa, usbd_print); 949 if (dv != NULL) { 950 dev->subdevs[dev->ndevs++] = dv; 951 usbd_claim_iface(dev, i); 952 } 953 } 954 free(ifaces, M_USB, nifaces * sizeof(*ifaces)); 955 956 if (dev->ndevs > 0) { 957 for (i = 0; i < nifaces; i++) { 958 if (!usbd_iface_claimed(dev, i)) 959 break; 960 } 961 if (i < nifaces) 962 goto generic; 963 else 964 goto fail; 965 } 966 967 free(dev->subdevs, M_USB, dev->nsubdev * sizeof(*dev->subdevs)); 968 dev->subdevs = NULL; 969 dev->nsubdev = 0; 970 } 971 /* No interfaces were attached in any of the configurations. */ 972 973 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 974 usbd_set_config_index(dev, 0, 0); 975 976 DPRINTF(("%s: no interface drivers found\n", __func__)); 977 978 generic: 979 /* Finally try the generic driver. */ 980 uaa.iface = NULL; 981 uaa.usegeneric = 1; 982 uaa.configno = dev->ndevs == 0 ? UHUB_UNK_CONFIGURATION : 983 dev->cdesc->bConfigurationValue; 984 uaa.ifaceno = UHUB_UNK_INTERFACE; 985 dv = config_found(parent, &uaa, usbd_print); 986 if (dv != NULL) { 987 if (dev->ndevs == 0) { 988 dev->subdevs = mallocarray(2, sizeof dv, M_USB, M_NOWAIT); 989 if (dev->subdevs == NULL) { 990 err = USBD_NOMEM; 991 goto fail; 992 } 993 dev->nsubdev = 2; 994 } 995 dev->subdevs[dev->ndevs++] = dv; 996 dev->subdevs[dev->ndevs] = 0; 997 err = USBD_NORMAL_COMPLETION; 998 goto fail; 999 } 1000 1001 /* 1002 * The generic attach failed, but leave the device as it is. 1003 * We just did not find any drivers, that's all. The device is 1004 * fully operational and not harming anyone. 1005 */ 1006 DPRINTF(("%s: generic attach failed\n", __func__)); 1007 err = USBD_NORMAL_COMPLETION; 1008 fail: 1009 rw_exit_write(&usbpalock); 1010 return (err); 1011 } 1012 1013 1014 /* 1015 * Called when a new device has been put in the powered state, 1016 * but not yet in the addressed state. 1017 * Get initial descriptor, set the address, get full descriptor, 1018 * and attach a driver. 1019 */ 1020 usbd_status 1021 usbd_new_device(struct device *parent, struct usbd_bus *bus, int depth, 1022 int speed, int port, struct usbd_port *up) 1023 { 1024 struct usbd_device *dev, *adev, *hub; 1025 usb_device_descriptor_t *dd; 1026 usbd_status err; 1027 uint32_t mps, mps0; 1028 int addr, i, p; 1029 1030 DPRINTF(("%s: bus=%p port=%d depth=%d speed=%d\n", __func__, 1031 bus, port, depth, speed)); 1032 1033 /* 1034 * Fixed size for ep0 max packet, FULL device variable size is 1035 * handled below. 1036 */ 1037 switch (speed) { 1038 case USB_SPEED_LOW: 1039 mps0 = 8; 1040 break; 1041 case USB_SPEED_HIGH: 1042 case USB_SPEED_FULL: 1043 mps0 = 64; 1044 break; 1045 case USB_SPEED_SUPER: 1046 mps0 = 512; 1047 break; 1048 default: 1049 return (USBD_INVAL); 1050 } 1051 1052 addr = usbd_getnewaddr(bus); 1053 if (addr < 0) { 1054 printf("%s: No free USB addresses, new device ignored.\n", 1055 bus->bdev.dv_xname); 1056 return (USBD_NO_ADDR); 1057 } 1058 1059 dev = malloc(sizeof *dev, M_USB, M_NOWAIT | M_ZERO); 1060 if (dev == NULL) 1061 return (USBD_NOMEM); 1062 1063 dev->bus = bus; 1064 1065 /* Set up default endpoint handle. */ 1066 dev->def_ep.edesc = &dev->def_ep_desc; 1067 1068 /* Set up default endpoint descriptor. */ 1069 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1070 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1071 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1072 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1073 dev->def_ep_desc.bInterval = 0; 1074 USETW(dev->def_ep_desc.wMaxPacketSize, mps0); 1075 1076 dev->quirks = &usbd_no_quirk; 1077 dev->address = USB_START_ADDR; 1078 dev->ddesc.bMaxPacketSize = 0; 1079 dev->depth = depth; 1080 dev->powersrc = up; 1081 dev->myhub = up->parent; 1082 dev->speed = speed; 1083 dev->langid = USBD_NOLANG; 1084 1085 up->device = dev; 1086 1087 /* Locate port on upstream high speed hub */ 1088 for (adev = dev, hub = up->parent; 1089 hub != NULL && hub->speed != USB_SPEED_HIGH; 1090 adev = hub, hub = hub->myhub) 1091 ; 1092 if (hub) { 1093 for (p = 0; p < hub->hub->nports; p++) { 1094 if (hub->hub->ports[p].device == adev) { 1095 dev->myhsport = &hub->hub->ports[p]; 1096 goto found; 1097 } 1098 } 1099 panic("usbd_new_device: cannot find HS port"); 1100 found: 1101 DPRINTFN(1,("%s: high speed port %d\n", __func__, p)); 1102 } else { 1103 dev->myhsport = NULL; 1104 } 1105 1106 /* Establish the default pipe. */ 1107 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1108 &dev->default_pipe); 1109 if (err) { 1110 usb_free_device(dev); 1111 up->device = NULL; 1112 return (err); 1113 } 1114 1115 dd = &dev->ddesc; 1116 1117 /* Try to get device descriptor */ 1118 /* 1119 * some device will need small size query at first (XXX: out of spec) 1120 * we will get full size descriptor later, just determin the maximum 1121 * packet size of the control pipe at this moment. 1122 */ 1123 for (i = 0; i < 3; i++) { 1124 /* Get the first 8 bytes of the device descriptor. */ 1125 /* 8 byte is magic size, some device only return 8 byte for 1st 1126 * query (XXX: out of spec) */ 1127 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1128 if (!err) 1129 break; 1130 if (err == USBD_TIMEOUT) 1131 goto fail; 1132 usbd_delay_ms(dev, 100+50*i); 1133 } 1134 1135 /* some device need actual size request for the query. try again */ 1136 if (err) { 1137 USETW(dev->def_ep_desc.wMaxPacketSize, 1138 USB_DEVICE_DESCRIPTOR_SIZE); 1139 usbd_reset_port(up->parent, port); 1140 for (i = 0; i < 3; i++) { 1141 err = usbd_get_desc(dev, UDESC_DEVICE, 0, 1142 USB_DEVICE_DESCRIPTOR_SIZE, dd); 1143 if (!err) 1144 break; 1145 if (err == USBD_TIMEOUT) 1146 goto fail; 1147 usbd_delay_ms(dev, 100+50*i); 1148 } 1149 } 1150 1151 /* XXX some devices need more time to wake up */ 1152 if (err) { 1153 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1154 usbd_reset_port(up->parent, port); 1155 usbd_delay_ms(dev, 500); 1156 err = usbd_get_desc(dev, UDESC_DEVICE, 0, 1157 USB_MAX_IPACKET, dd); 1158 } 1159 1160 if (err) { 1161 fail: 1162 usb_free_device(dev); 1163 up->device = NULL; 1164 return (err); 1165 } 1166 1167 DPRINTF(("%s: adding unit addr=%d, rev=%02x, class=%d, subclass=%d, " 1168 "protocol=%d, maxpacket=%d, len=%d, speed=%d\n", __func__, 1169 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1170 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1171 dev->speed)); 1172 1173 if ((dd->bDescriptorType != UDESC_DEVICE) || 1174 (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE)) { 1175 usb_free_device(dev); 1176 up->device = NULL; 1177 return (USBD_INVAL); 1178 } 1179 1180 mps = dd->bMaxPacketSize; 1181 if (speed == USB_SPEED_SUPER) { 1182 if (mps == 0xff) 1183 mps = 9; 1184 /* xHCI Section 4.8.2.1 */ 1185 mps = (1 << mps); 1186 } 1187 1188 if (mps != mps0) { 1189 if ((speed == USB_SPEED_LOW) || 1190 (mps != 8 && mps != 16 && mps != 32 && mps != 64)) { 1191 usb_free_device(dev); 1192 up->device = NULL; 1193 return (USBD_INVAL); 1194 } 1195 USETW(dev->def_ep_desc.wMaxPacketSize, mps); 1196 } 1197 1198 1199 /* Set the address if the HC didn't do it already. */ 1200 if (bus->methods->dev_setaddr != NULL && 1201 bus->methods->dev_setaddr(dev, addr)) { 1202 usb_free_device(dev); 1203 up->device = NULL; 1204 return (USBD_SET_ADDR_FAILED); 1205 } 1206 1207 /* Wait for device to settle before reloading the descriptor. */ 1208 usbd_delay_ms(dev, 10); 1209 1210 /* 1211 * If this device is attached to an xHCI controller, this 1212 * address does not correspond to the hardware one. 1213 */ 1214 dev->address = addr; 1215 1216 err = usbd_reload_device_desc(dev); 1217 if (err) { 1218 usb_free_device(dev); 1219 up->device = NULL; 1220 return (err); 1221 } 1222 1223 /* send disown request to handover 2.0 to 1.1. */ 1224 if (dev->quirks->uq_flags & UQ_EHCI_NEEDTO_DISOWN) { 1225 /* only effective when the target device is on ehci */ 1226 if (dev->bus->usbrev == USBREV_2_0) { 1227 DPRINTF(("%s: disown request issues to dev:%p on usb2.0 bus\n", 1228 __func__, dev)); 1229 usbd_port_disown_to_1_1(dev->myhub, port); 1230 /* reset_port required to finish disown request */ 1231 usbd_reset_port(dev->myhub, port); 1232 return (USBD_NORMAL_COMPLETION); 1233 } 1234 } 1235 1236 /* Assume 100mA bus powered for now. Changed when configured. */ 1237 dev->power = USB_MIN_POWER; 1238 dev->self_powered = 0; 1239 1240 DPRINTF(("%s: new dev (addr %d), dev=%p, parent=%p\n", __func__, 1241 addr, dev, parent)); 1242 1243 /* Get device info and cache it */ 1244 err = usbd_cache_devinfo(dev); 1245 if (err) { 1246 usb_free_device(dev); 1247 up->device = NULL; 1248 return (err); 1249 } 1250 1251 bus->devices[addr] = dev; 1252 1253 err = usbd_probe_and_attach(parent, dev, port, addr); 1254 if (err) { 1255 usb_free_device(dev); 1256 up->device = NULL; 1257 return (err); 1258 } 1259 1260 return (USBD_NORMAL_COMPLETION); 1261 } 1262 1263 usbd_status 1264 usbd_reload_device_desc(struct usbd_device *dev) 1265 { 1266 usbd_status err; 1267 1268 /* Get the full device descriptor. */ 1269 err = usbd_get_desc(dev, UDESC_DEVICE, 0, 1270 USB_DEVICE_DESCRIPTOR_SIZE, &dev->ddesc); 1271 if (err) 1272 return (err); 1273 1274 /* Figure out what's wrong with this device. */ 1275 dev->quirks = usbd_find_quirk(&dev->ddesc); 1276 1277 return (USBD_NORMAL_COMPLETION); 1278 } 1279 1280 int 1281 usbd_print(void *aux, const char *pnp) 1282 { 1283 struct usb_attach_arg *uaa = aux; 1284 char *devinfop; 1285 1286 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 1287 usbd_devinfo(uaa->device, 0, devinfop, DEVINFOSIZE); 1288 1289 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1290 if (pnp) { 1291 if (!uaa->usegeneric) { 1292 free(devinfop, M_TEMP, DEVINFOSIZE); 1293 return (QUIET); 1294 } 1295 printf("%s at %s", devinfop, pnp); 1296 } 1297 if (uaa->port != 0) 1298 printf(" port %d", uaa->port); 1299 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1300 printf(" configuration %d", uaa->configno); 1301 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1302 printf(" interface %d", uaa->ifaceno); 1303 1304 if (!pnp) 1305 printf(" %s\n", devinfop); 1306 free(devinfop, M_TEMP, DEVINFOSIZE); 1307 return (UNCONF); 1308 } 1309 1310 void 1311 usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di) 1312 { 1313 struct usbd_port *p; 1314 int i; 1315 1316 di->udi_bus = dev->bus->usbctl->dv_unit; 1317 di->udi_addr = dev->address; 1318 strlcpy(di->udi_vendor, dev->vendor, sizeof(di->udi_vendor)); 1319 strlcpy(di->udi_product, dev->product, sizeof(di->udi_product)); 1320 usbd_printBCD(di->udi_release, sizeof di->udi_release, 1321 UGETW(dev->ddesc.bcdDevice)); 1322 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1323 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1324 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1325 di->udi_class = dev->ddesc.bDeviceClass; 1326 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1327 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1328 di->udi_config = dev->config; 1329 di->udi_power = dev->self_powered ? 0 : dev->power; 1330 di->udi_speed = dev->speed; 1331 di->udi_port = dev->powersrc ? dev->powersrc->portno : 0; 1332 1333 if (dev->subdevs != NULL) { 1334 for (i = 0; dev->subdevs[i] && i < USB_MAX_DEVNAMES; i++) { 1335 strncpy(di->udi_devnames[i], 1336 dev->subdevs[i]->dv_xname, USB_MAX_DEVNAMELEN); 1337 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1338 } 1339 } else 1340 i = 0; 1341 1342 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1343 di->udi_devnames[i][0] = 0; /* empty */ 1344 1345 if (dev->hub) { 1346 for (i = 0; 1347 i < nitems(di->udi_ports) && i < dev->hub->nports; i++) { 1348 p = &dev->hub->ports[i]; 1349 di->udi_ports[i] = UGETW(p->status.wPortChange) << 16 | 1350 UGETW(p->status.wPortStatus); 1351 } 1352 di->udi_nports = dev->hub->nports; 1353 } else 1354 di->udi_nports = 0; 1355 1356 bzero(di->udi_serial, sizeof(di->udi_serial)); 1357 if (dev->serial != NULL) 1358 strlcpy(di->udi_serial, dev->serial, 1359 sizeof(di->udi_serial)); 1360 } 1361 1362 /* Retrieve a complete descriptor for a certain device and index. */ 1363 usb_config_descriptor_t * 1364 usbd_get_cdesc(struct usbd_device *dev, int index, u_int *lenp) 1365 { 1366 usb_config_descriptor_t *cdesc, *tdesc, cdescr; 1367 u_int len; 1368 usbd_status err; 1369 1370 if (index == USB_CURRENT_CONFIG_INDEX) { 1371 tdesc = usbd_get_config_descriptor(dev); 1372 if (tdesc == NULL) 1373 return (NULL); 1374 len = UGETW(tdesc->wTotalLength); 1375 if (lenp) 1376 *lenp = len; 1377 cdesc = malloc(len, M_TEMP, M_WAITOK); 1378 memcpy(cdesc, tdesc, len); 1379 DPRINTFN(5,("%s: current, len=%u\n", __func__, len)); 1380 } else { 1381 err = usbd_get_desc(dev, UDESC_CONFIG, index, 1382 USB_CONFIG_DESCRIPTOR_SIZE, &cdescr); 1383 if (err || cdescr.bDescriptorType != UDESC_CONFIG) 1384 return (NULL); 1385 len = UGETW(cdescr.wTotalLength); 1386 DPRINTFN(5,("%s: index=%d, len=%u\n", __func__, index, len)); 1387 if (lenp) 1388 *lenp = len; 1389 cdesc = malloc(len, M_TEMP, M_WAITOK); 1390 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdesc); 1391 if (err) { 1392 free(cdesc, M_TEMP, len); 1393 return (NULL); 1394 } 1395 } 1396 return (cdesc); 1397 } 1398 1399 void 1400 usb_free_device(struct usbd_device *dev) 1401 { 1402 int ifcidx, nifc; 1403 1404 DPRINTF(("%s: %p\n", __func__, dev)); 1405 1406 if (dev->default_pipe != NULL) 1407 usbd_close_pipe(dev->default_pipe); 1408 if (dev->ifaces != NULL) { 1409 nifc = dev->cdesc->bNumInterface; 1410 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1411 usbd_free_iface_data(dev, ifcidx); 1412 free(dev->ifaces, M_USB, nifc * sizeof(*dev->ifaces)); 1413 } 1414 if (dev->cdesc != NULL) 1415 free(dev->cdesc, M_USB, UGETW(dev->cdesc->wTotalLength)); 1416 free(dev->subdevs, M_USB, dev->nsubdev * sizeof(*dev->subdevs)); 1417 dev->bus->devices[dev->address] = NULL; 1418 1419 if (dev->vendor != NULL) 1420 free(dev->vendor, M_USB, USB_MAX_STRING_LEN); 1421 if (dev->product != NULL) 1422 free(dev->product, M_USB, USB_MAX_STRING_LEN); 1423 if (dev->serial != NULL) 1424 free(dev->serial, M_USB, USB_MAX_STRING_LEN); 1425 1426 free(dev, M_USB, sizeof *dev); 1427 } 1428 1429 /* 1430 * Should only be called by the USB thread doing bus exploration to 1431 * avoid connect/disconnect races. 1432 */ 1433 int 1434 usbd_detach(struct usbd_device *dev, struct device *parent) 1435 { 1436 int i, rv = 0; 1437 1438 usbd_deactivate(dev); 1439 1440 if (dev->ndevs > 0) { 1441 for (i = 0; dev->subdevs[i] != NULL; i++) 1442 rv |= config_detach(dev->subdevs[i], DETACH_FORCE); 1443 } 1444 1445 if (rv == 0) 1446 usb_free_device(dev); 1447 1448 return (rv); 1449 } 1450