1 /* $NetBSD: usb_subr.c,v 1.79 2000/06/01 14:37:51 augustss 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 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 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/kernel.h> 44 #include <sys/malloc.h> 45 #if defined(__NetBSD__) || defined(__OpenBSD__) 46 #include <sys/device.h> 47 #include <sys/select.h> 48 #elif defined(__FreeBSD__) 49 #include <sys/module.h> 50 #include <sys/bus.h> 51 #endif 52 #include <sys/proc.h> 53 54 #include <machine/bus.h> 55 56 #include <dev/usb/usb.h> 57 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/usbdivar.h> 61 #include <dev/usb/usbdevs.h> 62 #include <dev/usb/usb_quirks.h> 63 64 #if defined(__FreeBSD__) 65 #include <machine/clock.h> 66 #define delay(d) DELAY(d) 67 #endif 68 69 #ifdef USB_DEBUG 70 #define DPRINTF(x) if (usbdebug) logprintf x 71 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 72 extern int usbdebug; 73 #else 74 #define DPRINTF(x) 75 #define DPRINTFN(n,x) 76 #endif 77 78 Static usbd_status usbd_set_config(usbd_device_handle, int); 79 Static char *usbd_get_string(usbd_device_handle, int, char *); 80 Static int usbd_getnewaddr(usbd_bus_handle bus); 81 #if defined(__NetBSD__) 82 Static int usbd_print(void *aux, const char *pnp); 83 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 84 #elif defined(__OpenBSD__) 85 Static int usbd_print(void *aux, const char *pnp); 86 Static int usbd_submatch(device_ptr_t, void *, void *); 87 #endif 88 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 89 Static void usbd_kill_pipe(usbd_pipe_handle); 90 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 91 usbd_device_handle dev, int port, int addr); 92 93 Static u_int32_t usb_cookie_no = 0; 94 95 #ifdef USBVERBOSE 96 typedef u_int16_t usb_vendor_id_t; 97 typedef u_int16_t usb_product_id_t; 98 99 /* 100 * Descriptions of of known vendors and devices ("products"). 101 */ 102 struct usb_knowndev { 103 usb_vendor_id_t vendor; 104 usb_product_id_t product; 105 int flags; 106 char *vendorname, *productname; 107 }; 108 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 109 110 #include <dev/usb/usbdevs_data.h> 111 #endif /* USBVERBOSE */ 112 113 Static const char *usbd_error_strs[] = { 114 "NORMAL_COMPLETION", 115 "IN_PROGRESS", 116 "PENDING_REQUESTS", 117 "NOT_STARTED", 118 "INVAL", 119 "NOMEM", 120 "CANCELLED", 121 "BAD_ADDRESS", 122 "IN_USE", 123 "NO_ADDR", 124 "SET_ADDR_FAILED", 125 "NO_POWER", 126 "TOO_DEEP", 127 "IOERROR", 128 "NOT_CONFIGURED", 129 "TIMEOUT", 130 "SHORT_XFER", 131 "STALLED", 132 "INTERRUPTED", 133 "XXX", 134 }; 135 136 const char * 137 usbd_errstr(usbd_status err) 138 { 139 static char buffer[5]; 140 141 if (err < USBD_ERROR_MAX) { 142 return usbd_error_strs[err]; 143 } else { 144 snprintf(buffer, sizeof buffer, "%d", err); 145 return buffer; 146 } 147 } 148 149 usbd_status 150 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 151 usb_string_descriptor_t *sdesc) 152 { 153 usb_device_request_t req; 154 usbd_status err; 155 156 req.bmRequestType = UT_READ_DEVICE; 157 req.bRequest = UR_GET_DESCRIPTOR; 158 USETW2(req.wValue, UDESC_STRING, sindex); 159 USETW(req.wIndex, langid); 160 USETW(req.wLength, 1); /* only size byte first */ 161 err = usbd_do_request(dev, &req, sdesc); 162 if (err) 163 return (err); 164 USETW(req.wLength, sdesc->bLength); /* the whole string */ 165 return (usbd_do_request(dev, &req, sdesc)); 166 } 167 168 char * 169 usbd_get_string(usbd_device_handle dev, int si, char *buf) 170 { 171 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 172 usb_string_descriptor_t us; 173 char *s; 174 int i, n; 175 u_int16_t c; 176 usbd_status err; 177 178 if (si == 0) 179 return (0); 180 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 181 return (0); 182 if (dev->langid == USBD_NOLANG) { 183 /* Set up default language */ 184 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 185 if (err || us.bLength < 4) { 186 dev->langid = 0; /* Well, just pick English then */ 187 } else { 188 /* Pick the first language as the default. */ 189 dev->langid = UGETW(us.bString[0]); 190 } 191 } 192 err = usbd_get_string_desc(dev, si, dev->langid, &us); 193 if (err) 194 return (0); 195 s = buf; 196 n = us.bLength / 2 - 1; 197 for (i = 0; i < n; i++) { 198 c = UGETW(us.bString[i]); 199 /* Convert from Unicode, handle buggy strings. */ 200 if ((c & 0xff00) == 0) 201 *s++ = c; 202 else if ((c & 0x00ff) == 0 && swap) 203 *s++ = c >> 8; 204 else 205 *s++ = '?'; 206 } 207 *s++ = 0; 208 return (buf); 209 } 210 211 void 212 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p) 213 { 214 usb_device_descriptor_t *udd = &dev->ddesc; 215 char *vendor = 0, *product = 0; 216 #ifdef USBVERBOSE 217 struct usb_knowndev *kdp; 218 #endif 219 220 if (dev == NULL) { 221 v[0] = p[0] = '\0'; 222 return; 223 } 224 225 vendor = usbd_get_string(dev, udd->iManufacturer, v); 226 product = usbd_get_string(dev, udd->iProduct, p); 227 #ifdef USBVERBOSE 228 if (vendor == NULL || product == NULL) { 229 for(kdp = usb_knowndevs; 230 kdp->vendorname != NULL; 231 kdp++) { 232 if (kdp->vendor == UGETW(udd->idVendor) && 233 (kdp->product == UGETW(udd->idProduct) || 234 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 235 break; 236 } 237 if (kdp->vendorname != NULL) { 238 if (!vendor) 239 vendor = kdp->vendorname; 240 if (!product) 241 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 242 kdp->productname : NULL; 243 } 244 } 245 #endif 246 if (vendor != NULL) 247 strcpy(v, vendor); 248 else 249 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 250 if (product != NULL) 251 strcpy(p, product); 252 else 253 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 254 } 255 256 int 257 usbd_printBCD(char *cp, int bcd) 258 { 259 return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); 260 } 261 262 void 263 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp) 264 { 265 usb_device_descriptor_t *udd = &dev->ddesc; 266 char vendor[USB_MAX_STRING_LEN]; 267 char product[USB_MAX_STRING_LEN]; 268 int bcdDevice, bcdUSB; 269 270 usbd_devinfo_vp(dev, vendor, product); 271 cp += sprintf(cp, "%s %s", vendor, product); 272 if (showclass) 273 cp += sprintf(cp, ", class %d/%d", 274 udd->bDeviceClass, udd->bDeviceSubClass); 275 bcdUSB = UGETW(udd->bcdUSB); 276 bcdDevice = UGETW(udd->bcdDevice); 277 cp += sprintf(cp, ", rev "); 278 cp += usbd_printBCD(cp, bcdUSB); 279 *cp++ = '/'; 280 cp += usbd_printBCD(cp, bcdDevice); 281 cp += sprintf(cp, ", addr %d", dev->address); 282 *cp = 0; 283 } 284 285 /* Delay for a certain number of ms */ 286 void 287 usb_delay_ms(usbd_bus_handle bus, u_int ms) 288 { 289 /* Wait at least two clock ticks so we know the time has passed. */ 290 if (bus->use_polling || cold) 291 delay((ms+1) * 1000); 292 else 293 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 294 } 295 296 /* Delay given a device handle. */ 297 void 298 usbd_delay_ms(usbd_device_handle dev, u_int ms) 299 { 300 usb_delay_ms(dev->bus, ms); 301 } 302 303 usbd_status 304 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 305 { 306 usb_device_request_t req; 307 usbd_status err; 308 int n; 309 310 req.bmRequestType = UT_WRITE_CLASS_OTHER; 311 req.bRequest = UR_SET_FEATURE; 312 USETW(req.wValue, UHF_PORT_RESET); 313 USETW(req.wIndex, port); 314 USETW(req.wLength, 0); 315 err = usbd_do_request(dev, &req, 0); 316 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 317 port, usbd_errstr(err))); 318 if (err) 319 return (err); 320 n = 10; 321 do { 322 /* Wait for device to recover from reset. */ 323 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 324 err = usbd_get_port_status(dev, port, ps); 325 if (err) { 326 DPRINTF(("usbd_reset_port: get status failed %d\n", 327 err)); 328 return (err); 329 } 330 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 331 if (n == 0) 332 return (USBD_TIMEOUT); 333 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 334 #ifdef USB_DEBUG 335 if (err) 336 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 337 err)); 338 #endif 339 340 /* Wait for the device to recover from reset. */ 341 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 342 return (err); 343 } 344 345 usb_interface_descriptor_t * 346 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 347 { 348 char *p = (char *)cd; 349 char *end = p + UGETW(cd->wTotalLength); 350 usb_interface_descriptor_t *d; 351 int curidx, lastidx, curaidx = 0; 352 353 for (curidx = lastidx = -1; p < end; ) { 354 d = (usb_interface_descriptor_t *)p; 355 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 356 "type=%d\n", 357 ifaceidx, curidx, altidx, curaidx, 358 d->bLength, d->bDescriptorType)); 359 if (d->bLength == 0) /* bad descriptor */ 360 break; 361 p += d->bLength; 362 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 363 if (d->bInterfaceNumber != lastidx) { 364 lastidx = d->bInterfaceNumber; 365 curidx++; 366 curaidx = 0; 367 } else 368 curaidx++; 369 if (ifaceidx == curidx && altidx == curaidx) 370 return (d); 371 } 372 } 373 return (NULL); 374 } 375 376 usb_endpoint_descriptor_t * 377 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 378 int endptidx) 379 { 380 char *p = (char *)cd; 381 char *end = p + UGETW(cd->wTotalLength); 382 usb_interface_descriptor_t *d; 383 usb_endpoint_descriptor_t *e; 384 int curidx; 385 386 d = usbd_find_idesc(cd, ifaceidx, altidx); 387 if (d == NULL) 388 return (NULL); 389 if (endptidx >= d->bNumEndpoints) /* quick exit */ 390 return (NULL); 391 392 curidx = -1; 393 for (p = (char *)d + d->bLength; p < end; ) { 394 e = (usb_endpoint_descriptor_t *)p; 395 if (e->bLength == 0) /* bad descriptor */ 396 break; 397 p += e->bLength; 398 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 399 return (NULL); 400 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 401 curidx++; 402 if (curidx == endptidx) 403 return (e); 404 } 405 } 406 return (NULL); 407 } 408 409 usbd_status 410 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 411 { 412 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 413 usb_interface_descriptor_t *idesc; 414 char *p, *end; 415 int endpt, nendpt; 416 417 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 418 ifaceidx, altidx)); 419 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 420 if (idesc == NULL) 421 return (USBD_INVAL); 422 ifc->device = dev; 423 ifc->idesc = idesc; 424 ifc->index = ifaceidx; 425 ifc->altindex = altidx; 426 nendpt = ifc->idesc->bNumEndpoints; 427 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 428 if (nendpt != 0) { 429 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 430 M_USB, M_NOWAIT); 431 if (ifc->endpoints == NULL) 432 return (USBD_NOMEM); 433 } else 434 ifc->endpoints = NULL; 435 ifc->priv = NULL; 436 p = (char *)ifc->idesc + ifc->idesc->bLength; 437 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 438 #define ed ((usb_endpoint_descriptor_t *)p) 439 for (endpt = 0; endpt < nendpt; endpt++) { 440 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 441 for (; p < end; p += ed->bLength) { 442 ed = (usb_endpoint_descriptor_t *)p; 443 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 444 "len=%d type=%d\n", 445 p, end, ed->bLength, ed->bDescriptorType)); 446 if (p + ed->bLength <= end && ed->bLength != 0 && 447 ed->bDescriptorType == UDESC_ENDPOINT) 448 goto found; 449 if (ed->bLength == 0 || 450 ed->bDescriptorType == UDESC_INTERFACE) 451 break; 452 } 453 /* passed end, or bad desc */ 454 DPRINTF(("usbd_fill_iface_data: bad descriptor(s): %s\n", 455 ed->bLength == 0 ? "0 length" : 456 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 457 "out of data")); 458 goto bad; 459 found: 460 ifc->endpoints[endpt].edesc = ed; 461 ifc->endpoints[endpt].refcnt = 0; 462 p += ed->bLength; 463 } 464 #undef ed 465 LIST_INIT(&ifc->pipes); 466 return (USBD_NORMAL_COMPLETION); 467 468 bad: 469 if (ifc->endpoints != NULL) { 470 free(ifc->endpoints, M_USB); 471 ifc->endpoints = NULL; 472 } 473 return (USBD_INVAL); 474 } 475 476 void 477 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 478 { 479 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 480 if (ifc->endpoints) 481 free(ifc->endpoints, M_USB); 482 } 483 484 Static usbd_status 485 usbd_set_config(usbd_device_handle dev, int conf) 486 { 487 usb_device_request_t req; 488 489 req.bmRequestType = UT_WRITE_DEVICE; 490 req.bRequest = UR_SET_CONFIG; 491 USETW(req.wValue, conf); 492 USETW(req.wIndex, 0); 493 USETW(req.wLength, 0); 494 return (usbd_do_request(dev, &req, 0)); 495 } 496 497 usbd_status 498 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 499 { 500 int index; 501 usb_config_descriptor_t cd; 502 usbd_status err; 503 504 if (no == USB_UNCONFIG_NO) 505 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 506 507 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 508 /* Figure out what config index to use. */ 509 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 510 err = usbd_get_config_desc(dev, index, &cd); 511 if (err) 512 return (err); 513 if (cd.bConfigurationValue == no) 514 return (usbd_set_config_index(dev, index, msg)); 515 } 516 return (USBD_INVAL); 517 } 518 519 usbd_status 520 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 521 { 522 usb_status_t ds; 523 usb_config_descriptor_t cd, *cdp; 524 usbd_status err; 525 int ifcidx, nifc, len, selfpowered, power; 526 527 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 528 529 /* XXX check that all interfaces are idle */ 530 if (dev->config != USB_UNCONFIG_NO) { 531 DPRINTF(("usbd_set_config_index: free old config\n")); 532 /* Free all configuration data structures. */ 533 nifc = dev->cdesc->bNumInterface; 534 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 535 usbd_free_iface_data(dev, ifcidx); 536 free(dev->ifaces, M_USB); 537 free(dev->cdesc, M_USB); 538 dev->ifaces = NULL; 539 dev->cdesc = NULL; 540 dev->config = USB_UNCONFIG_NO; 541 } 542 543 if (index == USB_UNCONFIG_INDEX) { 544 /* We are unconfiguring the device, so leave unallocated. */ 545 DPRINTF(("usbd_set_config_index: set config 0\n")); 546 err = usbd_set_config(dev, USB_UNCONFIG_NO); 547 if (err) 548 DPRINTF(("usbd_set_config_index: setting config=0 " 549 "failed, error=%s\n", usbd_errstr(err))); 550 return (err); 551 } 552 553 /* Get the short descriptor. */ 554 err = usbd_get_config_desc(dev, index, &cd); 555 if (err) 556 return (err); 557 len = UGETW(cd.wTotalLength); 558 cdp = malloc(len, M_USB, M_NOWAIT); 559 if (cdp == NULL) 560 return (USBD_NOMEM); 561 /* Get the full descriptor. */ 562 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 563 if (err) 564 goto bad; 565 if (cdp->bDescriptorType != UDESC_CONFIG) { 566 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 567 cdp->bDescriptorType)); 568 err = USBD_INVAL; 569 goto bad; 570 } 571 572 /* Figure out if the device is self or bus powered. */ 573 selfpowered = 0; 574 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 575 (cdp->bmAttributes & UC_SELF_POWERED)) { 576 /* May be self powered. */ 577 if (cdp->bmAttributes & UC_BUS_POWERED) { 578 /* Must ask device. */ 579 err = usbd_get_device_status(dev, &ds); 580 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 581 selfpowered = 1; 582 DPRINTF(("usbd_set_config_index: status=0x%04x, " 583 "error=%s\n", 584 UGETW(ds.wStatus), usbd_errstr(err))); 585 } else 586 selfpowered = 1; 587 } 588 DPRINTF(("usbd_set_config_index: (addr %d) attr=0x%02x, " 589 "selfpowered=%d, power=%d\n", 590 dev->address, cdp->bmAttributes, 591 selfpowered, cdp->bMaxPower * 2)); 592 593 /* Check if we have enough power. */ 594 #ifdef USB_DEBUG 595 if (dev->powersrc == NULL) { 596 DPRINTF(("usbd_set_config_index: No power source?\n")); 597 return (USBD_IOERROR); 598 } 599 #endif 600 power = cdp->bMaxPower * 2; 601 if (power > dev->powersrc->power) { 602 /* XXX print nicer message. */ 603 if (msg) 604 printf("%s: device addr %d (config %d) exceeds power " 605 "budget, %d mA > %d mA\n", 606 USBDEVNAME(dev->bus->bdev), dev->address, 607 cdp->bConfigurationValue, 608 power, dev->powersrc->power); 609 err = USBD_NO_POWER; 610 goto bad; 611 } 612 dev->power = power; 613 dev->self_powered = selfpowered; 614 615 /* Set the actual configuration value. */ 616 DPRINTF(("usbd_set_config_index: set config %d\n", 617 cdp->bConfigurationValue)); 618 err = usbd_set_config(dev, cdp->bConfigurationValue); 619 if (err) { 620 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 621 "error=%s\n", 622 cdp->bConfigurationValue, usbd_errstr(err))); 623 goto bad; 624 } 625 626 /* Allocate and fill interface data. */ 627 nifc = cdp->bNumInterface; 628 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 629 M_USB, M_NOWAIT); 630 if (dev->ifaces == NULL) { 631 err = USBD_NOMEM; 632 goto bad; 633 } 634 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 635 dev->cdesc = cdp; 636 dev->config = cdp->bConfigurationValue; 637 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 638 err = usbd_fill_iface_data(dev, ifcidx, 0); 639 if (err) { 640 while (--ifcidx >= 0) 641 usbd_free_iface_data(dev, ifcidx); 642 goto bad; 643 } 644 } 645 646 return (USBD_NORMAL_COMPLETION); 647 648 bad: 649 free(cdp, M_USB); 650 return (err); 651 } 652 653 /* XXX add function for alternate settings */ 654 655 usbd_status 656 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 657 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 658 { 659 usbd_pipe_handle p; 660 usbd_status err; 661 662 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 663 dev, iface, ep, pipe)); 664 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 665 if (p == NULL) 666 return (USBD_NOMEM); 667 p->device = dev; 668 p->iface = iface; 669 p->endpoint = ep; 670 ep->refcnt++; 671 p->refcnt = 1; 672 p->intrxfer = 0; 673 p->running = 0; 674 p->aborting = 0; 675 p->repeat = 0; 676 p->interval = ival; 677 SIMPLEQ_INIT(&p->queue); 678 usb_callout_init(p->abort_handle); 679 err = dev->bus->methods->open_pipe(p); 680 if (err) { 681 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 682 "%s\n", 683 ep->edesc->bEndpointAddress, usbd_errstr(err))); 684 free(p, M_USB); 685 return (err); 686 } 687 /* Clear any stall and make sure DATA0 toggle will be used next. */ 688 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) 689 usbd_clear_endpoint_stall(p); 690 *pipe = p; 691 return (USBD_NORMAL_COMPLETION); 692 } 693 694 /* Abort the device control pipe. */ 695 void 696 usbd_kill_pipe(usbd_pipe_handle pipe) 697 { 698 pipe->methods->close(pipe); 699 pipe->endpoint->refcnt--; 700 free(pipe, M_USB); 701 } 702 703 int 704 usbd_getnewaddr(usbd_bus_handle bus) 705 { 706 int addr; 707 708 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 709 if (bus->devices[addr] == 0) 710 return (addr); 711 return (-1); 712 } 713 714 715 usbd_status 716 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 717 int port, int addr) 718 { 719 struct usb_attach_arg uaa; 720 usb_device_descriptor_t *dd = &dev->ddesc; 721 int found, i, confi, nifaces; 722 usbd_status err; 723 device_ptr_t dv; 724 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 725 726 #if defined(__FreeBSD__) 727 /* 728 * XXX uaa is a static var. Not a problem as it _should_ be used only 729 * during probe and attach. Should be changed however. 730 */ 731 device_t bdev; 732 bdev = device_add_child(parent, NULL, -1, &uaa); 733 if (!bdev) { 734 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 735 return (USBD_INVAL); 736 } 737 device_quiet(bdev); 738 #endif 739 740 uaa.device = dev; 741 uaa.iface = NULL; 742 uaa.ifaces = NULL; 743 uaa.nifaces = 0; 744 uaa.usegeneric = 0; 745 uaa.port = port; 746 uaa.configno = UHUB_UNK_CONFIGURATION; 747 uaa.ifaceno = UHUB_UNK_INTERFACE; 748 uaa.vendor = UGETW(dd->idVendor); 749 uaa.product = UGETW(dd->idProduct); 750 uaa.release = UGETW(dd->bcdDevice); 751 752 /* First try with device specific drivers. */ 753 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 754 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 755 if (dv) { 756 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 757 if (dev->subdevs == NULL) 758 return (USBD_NOMEM); 759 dev->subdevs[0] = dv; 760 dev->subdevs[1] = 0; 761 return (USBD_NORMAL_COMPLETION); 762 } 763 764 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 765 766 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 767 dd->bNumConfigurations)); 768 /* Next try with interface drivers. */ 769 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 770 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 771 confi)); 772 err = usbd_set_config_index(dev, confi, 1); 773 if (err) { 774 #ifdef USB_DEBUG 775 DPRINTF(("%s: port %d, set config at addr %d failed, " 776 "error=%s\n", USBDEVPTRNAME(parent), port, 777 addr, usbd_errstr(err))); 778 #else 779 printf("%s: port %d, set config at addr %d failed\n", 780 USBDEVPTRNAME(parent), port, addr); 781 #endif 782 #if defined(__FreeBSD__) 783 device_delete_child(parent, bdev); 784 #endif 785 786 return (err); 787 } 788 nifaces = dev->cdesc->bNumInterface; 789 uaa.configno = dev->cdesc->bConfigurationValue; 790 for (i = 0; i < nifaces; i++) 791 ifaces[i] = &dev->ifaces[i]; 792 uaa.ifaces = ifaces; 793 uaa.nifaces = nifaces; 794 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 795 if (dev->subdevs == NULL) { 796 #if defined(__FreeBSD__) 797 device_delete_child(parent, bdev); 798 #endif 799 return (USBD_NOMEM); 800 } 801 802 found = 0; 803 for (i = 0; i < nifaces; i++) { 804 if (ifaces[i] == NULL) 805 continue; /* interface already claimed */ 806 uaa.iface = ifaces[i]; 807 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 808 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 809 usbd_submatch); 810 if (dv != NULL) { 811 dev->subdevs[found++] = dv; 812 dev->subdevs[found] = 0; 813 ifaces[i] = 0; /* consumed */ 814 815 #if defined(__FreeBSD__) 816 /* create another child for the next iface */ 817 bdev = device_add_child(parent, NULL, -1,&uaa); 818 if (!bdev) { 819 printf("%s: Device creation failed\n", 820 USBDEVNAME(dev->bus->bdev)); 821 return (USBD_NORMAL_COMPLETION); 822 } 823 device_quiet(bdev); 824 #endif 825 } 826 } 827 if (found != 0) { 828 #if defined(__FreeBSD__) 829 /* remove the last created child again; it is unused */ 830 device_delete_child(parent, bdev); 831 #endif 832 return (USBD_NORMAL_COMPLETION); 833 } 834 free(dev->subdevs, M_USB); 835 dev->subdevs = 0; 836 } 837 /* No interfaces were attached in any of the configurations. */ 838 839 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 840 usbd_set_config_index(dev, 0, 0); 841 842 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 843 844 /* Finally try the generic driver. */ 845 uaa.iface = NULL; 846 uaa.usegeneric = 1; 847 uaa.configno = UHUB_UNK_CONFIGURATION; 848 uaa.ifaceno = UHUB_UNK_INTERFACE; 849 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 850 if (dv != NULL) { 851 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 852 if (dev->subdevs == 0) 853 return (USBD_NOMEM); 854 dev->subdevs[0] = dv; 855 dev->subdevs[1] = 0; 856 return (USBD_NORMAL_COMPLETION); 857 } 858 859 /* 860 * The generic attach failed, but leave the device as it is. 861 * We just did not find any drivers, that's all. The device is 862 * fully operational and not harming anyone. 863 */ 864 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 865 #if defined(__FreeBSD__) 866 device_delete_child(parent, bdev); 867 #endif 868 return (USBD_NORMAL_COMPLETION); 869 } 870 871 872 /* 873 * Called when a new device has been put in the powered state, 874 * but not yet in the addressed state. 875 * Get initial descriptor, set the address, get full descriptor, 876 * and attach a driver. 877 */ 878 usbd_status 879 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 880 int lowspeed, int port, struct usbd_port *up) 881 { 882 usbd_device_handle dev; 883 usb_device_descriptor_t *dd; 884 usbd_status err; 885 int addr; 886 int i; 887 888 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d lowspeed=%d\n", 889 bus, port, depth, lowspeed)); 890 addr = usbd_getnewaddr(bus); 891 if (addr < 0) { 892 printf("%s: No free USB addresses, new device ignored.\n", 893 USBDEVNAME(bus->bdev)); 894 return (USBD_NO_ADDR); 895 } 896 897 dev = malloc(sizeof *dev, M_USB, M_NOWAIT); 898 if (dev == NULL) 899 return (USBD_NOMEM); 900 memset(dev, 0, sizeof(*dev)); 901 902 dev->bus = bus; 903 904 /* Set up default endpoint handle. */ 905 dev->def_ep.edesc = &dev->def_ep_desc; 906 907 /* Set up default endpoint descriptor. */ 908 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 909 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 910 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 911 dev->def_ep_desc.bmAttributes = UE_CONTROL; 912 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 913 dev->def_ep_desc.bInterval = 0; 914 915 dev->quirks = &usbd_no_quirk; 916 dev->address = USB_START_ADDR; 917 dev->ddesc.bMaxPacketSize = 0; 918 dev->lowspeed = lowspeed != 0; 919 dev->depth = depth; 920 dev->powersrc = up; 921 dev->langid = USBD_NOLANG; 922 dev->cookie.cookie = ++usb_cookie_no; 923 924 /* Establish the default pipe. */ 925 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 926 &dev->default_pipe); 927 if (err) { 928 usbd_remove_device(dev, up); 929 return (err); 930 } 931 932 up->device = dev; 933 dd = &dev->ddesc; 934 /* Try a few times in case the device is slow (i.e. outside specs.) */ 935 for (i = 0; i < 3; i++) { 936 /* Get the first 8 bytes of the device descriptor. */ 937 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 938 if (!err) 939 break; 940 usbd_delay_ms(dev, 200); 941 } 942 if (err) { 943 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 944 "failed\n", addr)); 945 usbd_remove_device(dev, up); 946 return (err); 947 } 948 949 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 950 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, ls=%d\n", 951 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 952 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 953 dev->lowspeed)); 954 955 if (dd->bDescriptorType != UDESC_DEVICE) { 956 /* Illegal device descriptor */ 957 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 958 dd->bDescriptorType)); 959 usbd_remove_device(dev, up); 960 return (USBD_INVAL); 961 } 962 963 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 964 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 965 usbd_remove_device(dev, up); 966 return (USBD_INVAL); 967 } 968 969 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 970 971 err = usbd_reload_device_desc(dev); 972 if (err) { 973 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 974 "failed\n", addr)); 975 usbd_remove_device(dev, up); 976 return (err); 977 } 978 979 /* Set the address */ 980 err = usbd_set_address(dev, addr); 981 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 982 if (err) { 983 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 984 err = USBD_SET_ADDR_FAILED; 985 usbd_remove_device(dev, up); 986 return (err); 987 } 988 /* Allow device time to set new address */ 989 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 990 991 dev->address = addr; /* New device address now */ 992 bus->devices[addr] = dev; 993 994 /* Assume 100mA bus powered for now. Changed when configured. */ 995 dev->power = USB_MIN_POWER; 996 dev->self_powered = 0; 997 998 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 999 addr, dev, parent)); 1000 1001 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1002 1003 err = usbd_probe_and_attach(parent, dev, port, addr); 1004 if (err) { 1005 usbd_remove_device(dev, up); 1006 return (err); 1007 } 1008 1009 return (USBD_NORMAL_COMPLETION); 1010 } 1011 1012 usbd_status 1013 usbd_reload_device_desc(usbd_device_handle dev) 1014 { 1015 usbd_status err; 1016 1017 /* Get the full device descriptor. */ 1018 err = usbd_get_device_desc(dev, &dev->ddesc); 1019 if (err) 1020 return (err); 1021 1022 /* Figure out what's wrong with this device. */ 1023 dev->quirks = usbd_find_quirk(&dev->ddesc); 1024 1025 return (USBD_NORMAL_COMPLETION); 1026 } 1027 1028 void 1029 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1030 { 1031 DPRINTF(("usbd_remove_device: %p\n", dev)); 1032 1033 if (dev->default_pipe != NULL) 1034 usbd_kill_pipe(dev->default_pipe); 1035 up->device = 0; 1036 dev->bus->devices[dev->address] = 0; 1037 1038 free(dev, M_USB); 1039 } 1040 1041 #if defined(__NetBSD__) || defined(__OpenBSD__) 1042 int 1043 usbd_print(void *aux, const char *pnp) 1044 { 1045 struct usb_attach_arg *uaa = aux; 1046 char devinfo[1024]; 1047 1048 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1049 if (pnp) { 1050 if (!uaa->usegeneric) 1051 return (QUIET); 1052 usbd_devinfo(uaa->device, 1, devinfo); 1053 printf("%s, %s", devinfo, pnp); 1054 } 1055 if (uaa->port != 0) 1056 printf(" port %d", uaa->port); 1057 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1058 printf(" configuration %d", uaa->configno); 1059 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1060 printf(" interface %d", uaa->ifaceno); 1061 #if 0 1062 /* 1063 * It gets very crowded with these locators on the attach line. 1064 * They are not really needed since they are printed in the clear 1065 * by each driver. 1066 */ 1067 if (uaa->vendor != UHUB_UNK_VENDOR) 1068 printf(" vendor 0x%04x", uaa->vendor); 1069 if (uaa->product != UHUB_UNK_PRODUCT) 1070 printf(" product 0x%04x", uaa->product); 1071 if (uaa->release != UHUB_UNK_RELEASE) 1072 printf(" release 0x%04x", uaa->release); 1073 #endif 1074 return (UNCONF); 1075 } 1076 1077 #if defined(__NetBSD__) 1078 int 1079 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1080 { 1081 #elif defined(__OpenBSD__) 1082 int 1083 usbd_submatch(struct device *parent, void *match, void *aux) 1084 { 1085 struct cfdata *cf = match; 1086 #endif 1087 struct usb_attach_arg *uaa = aux; 1088 1089 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1090 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1091 uaa->port, cf->uhubcf_port, 1092 uaa->configno, cf->uhubcf_configuration, 1093 uaa->ifaceno, cf->uhubcf_interface, 1094 uaa->vendor, cf->uhubcf_vendor, 1095 uaa->product, cf->uhubcf_product, 1096 uaa->release, cf->uhubcf_release)); 1097 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1098 ((uaa->port != 0 && 1099 cf->uhubcf_port != UHUB_UNK_PORT && 1100 cf->uhubcf_port != uaa->port) || 1101 (uaa->configno != UHUB_UNK_CONFIGURATION && 1102 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1103 cf->uhubcf_configuration != uaa->configno) || 1104 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1105 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1106 cf->uhubcf_interface != uaa->ifaceno) || 1107 (uaa->vendor != UHUB_UNK_VENDOR && 1108 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1109 cf->uhubcf_vendor != uaa->vendor) || 1110 (uaa->product != UHUB_UNK_PRODUCT && 1111 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1112 cf->uhubcf_product != uaa->product) || 1113 (uaa->release != UHUB_UNK_RELEASE && 1114 cf->uhubcf_release != UHUB_UNK_RELEASE && 1115 cf->uhubcf_release != uaa->release) 1116 ) 1117 ) 1118 return 0; 1119 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 1120 } 1121 1122 #endif 1123 1124 void 1125 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di) 1126 { 1127 struct usbd_port *p; 1128 int i, err, s; 1129 1130 di->bus = USBDEVUNIT(dev->bus->bdev); 1131 di->addr = dev->address; 1132 di->cookie = dev->cookie; 1133 usbd_devinfo_vp(dev, di->vendor, di->product); 1134 usbd_printBCD(di->release, UGETW(dev->ddesc.bcdDevice)); 1135 di->vendorNo = UGETW(dev->ddesc.idVendor); 1136 di->productNo = UGETW(dev->ddesc.idProduct); 1137 di->releaseNo = UGETW(dev->ddesc.bcdDevice); 1138 di->class = dev->ddesc.bDeviceClass; 1139 di->subclass = dev->ddesc.bDeviceSubClass; 1140 di->protocol = dev->ddesc.bDeviceProtocol; 1141 di->config = dev->config; 1142 di->power = dev->self_powered ? 0 : dev->power; 1143 di->lowspeed = dev->lowspeed; 1144 1145 if (dev->subdevs != NULL) { 1146 for (i = 0; dev->subdevs[i] && 1147 i < USB_MAX_DEVNAMES; i++) { 1148 strncpy(di->devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1149 USB_MAX_DEVNAMELEN); 1150 di->devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1151 } 1152 } else { 1153 i = 0; 1154 } 1155 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1156 di->devnames[i][0] = 0; /* empty */ 1157 1158 if (dev->hub) { 1159 for (i = 0; 1160 i < sizeof(di->ports) / sizeof(di->ports[0]) && 1161 i < dev->hub->hubdesc.bNbrPorts; 1162 i++) { 1163 p = &dev->hub->ports[i]; 1164 if (p->device) 1165 err = p->device->address; 1166 else { 1167 s = UGETW(p->status.wPortStatus); 1168 if (s & UPS_PORT_ENABLED) 1169 err = USB_PORT_ENABLED; 1170 else if (s & UPS_SUSPEND) 1171 err = USB_PORT_SUSPENDED; 1172 else if (s & UPS_PORT_POWER) 1173 err = USB_PORT_POWERED; 1174 else 1175 err = USB_PORT_DISABLED; 1176 } 1177 di->ports[i] = err; 1178 } 1179 di->nports = dev->hub->hubdesc.bNbrPorts; 1180 } else 1181 di->nports = 0; 1182 } 1183 1184 void 1185 usb_free_device(usbd_device_handle dev) 1186 { 1187 int ifcidx, nifc; 1188 1189 if (dev->default_pipe != NULL) 1190 usbd_kill_pipe(dev->default_pipe); 1191 if (dev->ifaces != NULL) { 1192 nifc = dev->cdesc->bNumInterface; 1193 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1194 usbd_free_iface_data(dev, ifcidx); 1195 free(dev->ifaces, M_USB); 1196 } 1197 if (dev->cdesc != NULL) 1198 free(dev->cdesc, M_USB); 1199 if (dev->subdevs != NULL) 1200 free(dev->subdevs, M_USB); 1201 free(dev, M_USB); 1202 } 1203 1204 /* 1205 * The general mechanism for detaching drivers works as follows: Each 1206 * driver is responsible for maintaining a reference count on the 1207 * number of outstanding references to its softc (e.g. from 1208 * processing hanging in a read or write). The detach method of the 1209 * driver decrements this counter and flags in the softc that the 1210 * driver is dying and then wakes any sleepers. It then sleeps on the 1211 * softc. Each place that can sleep must maintain the reference 1212 * count. When the reference count drops to -1 (0 is the normal value 1213 * of the reference count) the a wakeup on the softc is performed 1214 * signaling to the detach waiter that all references are gone. 1215 */ 1216 1217 /* 1218 * Called from process context when we discover that a port has 1219 * been disconnected. 1220 */ 1221 void 1222 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1223 { 1224 usbd_device_handle dev = up->device; 1225 char *hubname = USBDEVPTRNAME(parent); 1226 int i; 1227 1228 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1229 up, dev, up->portno)); 1230 1231 #ifdef DIAGNOSTIC 1232 if (dev == NULL) { 1233 printf("usb_disconnect_port: no device\n"); 1234 return; 1235 } 1236 #endif 1237 1238 if (dev->subdevs != NULL) { 1239 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1240 for (i = 0; dev->subdevs[i]; i++) { 1241 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1242 hubname); 1243 if (up->portno != 0) 1244 printf(" port %d", up->portno); 1245 printf(" (addr %d) disconnected\n", dev->address); 1246 #if defined(__NetBSD__) || defined(__OpenBSD__) 1247 config_detach(dev->subdevs[i], DETACH_FORCE); 1248 #elif defined(__FreeBSD__) 1249 device_delete_child(device_get_parent(dev->subdevs[i]), 1250 dev->subdevs[i]); 1251 #endif 1252 1253 } 1254 } 1255 1256 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1257 dev->bus->devices[dev->address] = NULL; 1258 up->device = NULL; 1259 usb_free_device(dev); 1260 } 1261 1262 #ifdef __OpenBSD__ 1263 void *usb_realloc(void *p, u_int size, int pool, int flags) 1264 { 1265 void *q; 1266 1267 q = malloc(size, pool, flags); 1268 if (q == NULL) 1269 return (NULL); 1270 bcopy(p, q, size); 1271 free(p, pool); 1272 return (q); 1273 } 1274 #endif 1275