1 /* $NetBSD: usb_subr.c,v 1.118 2004/09/13 12:55:49 drochner 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/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.118 2004/09/13 12:55:49 drochner Exp $"); 43 44 #include "opt_usbverbose.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #if defined(__NetBSD__) || defined(__OpenBSD__) 51 #include <sys/device.h> 52 #include <sys/select.h> 53 #elif defined(__FreeBSD__) 54 #include <sys/module.h> 55 #include <sys/bus.h> 56 #endif 57 #include <sys/proc.h> 58 59 #include <machine/bus.h> 60 61 #include <dev/usb/usb.h> 62 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdi_util.h> 65 #include <dev/usb/usbdivar.h> 66 #include <dev/usb/usbdevs.h> 67 #include <dev/usb/usb_quirks.h> 68 69 #if defined(__FreeBSD__) 70 #include <machine/clock.h> 71 #define delay(d) DELAY(d) 72 #endif 73 74 #ifdef USB_DEBUG 75 #define DPRINTF(x) if (usbdebug) logprintf x 76 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 77 extern int usbdebug; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n,x) 81 #endif 82 83 Static usbd_status usbd_set_config(usbd_device_handle, int); 84 Static void usbd_devinfo_vp(usbd_device_handle, char *, size_t, char *, 85 size_t, int); 86 Static char *usbd_get_string(usbd_device_handle, int, char *); 87 Static int usbd_getnewaddr(usbd_bus_handle bus); 88 #if defined(__NetBSD__) 89 Static int usbd_print(void *, const char *); 90 Static int usbd_submatch(device_ptr_t, struct cfdata *, 91 const locdesc_t *, void *); 92 #elif defined(__OpenBSD__) 93 Static int usbd_print(void *aux, const char *pnp); 94 Static int usbd_submatch(device_ptr_t, void *, void *); 95 #endif 96 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 97 Static void usbd_kill_pipe(usbd_pipe_handle); 98 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 99 usbd_device_handle dev, int port, int addr); 100 101 Static u_int32_t usb_cookie_no = 0; 102 103 #ifdef USBVERBOSE 104 typedef u_int16_t usb_vendor_id_t; 105 typedef u_int16_t usb_product_id_t; 106 107 /* 108 * Descriptions of of known vendors and devices ("products"). 109 */ 110 struct usb_knowndev { 111 usb_vendor_id_t vendor; 112 usb_product_id_t product; 113 int flags; 114 char *vendorname, *productname; 115 }; 116 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 117 118 #include <dev/usb/usbdevs_data.h> 119 #endif /* USBVERBOSE */ 120 121 Static const char * const usbd_error_strs[] = { 122 "NORMAL_COMPLETION", 123 "IN_PROGRESS", 124 "PENDING_REQUESTS", 125 "NOT_STARTED", 126 "INVAL", 127 "NOMEM", 128 "CANCELLED", 129 "BAD_ADDRESS", 130 "IN_USE", 131 "NO_ADDR", 132 "SET_ADDR_FAILED", 133 "NO_POWER", 134 "TOO_DEEP", 135 "IOERROR", 136 "NOT_CONFIGURED", 137 "TIMEOUT", 138 "SHORT_XFER", 139 "STALLED", 140 "INTERRUPTED", 141 "XXX", 142 }; 143 144 const char * 145 usbd_errstr(usbd_status err) 146 { 147 static char buffer[5]; 148 149 if (err < USBD_ERROR_MAX) { 150 return usbd_error_strs[err]; 151 } else { 152 snprintf(buffer, sizeof buffer, "%d", err); 153 return buffer; 154 } 155 } 156 157 usbd_status 158 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 159 usb_string_descriptor_t *sdesc, int *sizep) 160 { 161 usb_device_request_t req; 162 usbd_status err; 163 int actlen; 164 165 req.bmRequestType = UT_READ_DEVICE; 166 req.bRequest = UR_GET_DESCRIPTOR; 167 USETW2(req.wValue, UDESC_STRING, sindex); 168 USETW(req.wIndex, langid); 169 USETW(req.wLength, 2); /* only size byte first */ 170 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 171 &actlen, USBD_DEFAULT_TIMEOUT); 172 if (err) 173 return (err); 174 175 if (actlen < 2) 176 return (USBD_SHORT_XFER); 177 178 USETW(req.wLength, sdesc->bLength); /* the whole string */ 179 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 180 &actlen, USBD_DEFAULT_TIMEOUT); 181 if (err) 182 return (err); 183 184 if (actlen != sdesc->bLength) { 185 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 186 sdesc->bLength, actlen)); 187 } 188 189 *sizep = actlen; 190 return (USBD_NORMAL_COMPLETION); 191 } 192 193 char * 194 usbd_get_string(usbd_device_handle dev, int si, char *buf) 195 { 196 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 197 usb_string_descriptor_t us; 198 char *s; 199 int i, n; 200 u_int16_t c; 201 usbd_status err; 202 int size; 203 204 if (si == 0) 205 return (0); 206 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 207 return (0); 208 if (dev->langid == USBD_NOLANG) { 209 /* Set up default language */ 210 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us, 211 &size); 212 if (err || size < 4) { 213 dev->langid = 0; /* Well, just pick something then */ 214 } else { 215 /* Pick the first language as the default. */ 216 dev->langid = UGETW(us.bString[0]); 217 } 218 } 219 err = usbd_get_string_desc(dev, si, dev->langid, &us, &size); 220 if (err) 221 return (0); 222 s = buf; 223 n = size / 2 - 1; 224 for (i = 0; i < n; i++) { 225 c = UGETW(us.bString[i]); 226 /* Convert from Unicode, handle buggy strings. */ 227 if ((c & 0xff00) == 0) 228 *s++ = c; 229 else if ((c & 0x00ff) == 0 && swap) 230 *s++ = c >> 8; 231 else 232 *s++ = '?'; 233 } 234 *s++ = 0; 235 return (buf); 236 } 237 238 static void 239 usbd_trim_spaces(char *p) 240 { 241 char *q, *e; 242 243 if (p == NULL) 244 return; 245 q = e = p; 246 while (*q == ' ') /* skip leading spaces */ 247 q++; 248 while ((*p = *q++)) /* copy string */ 249 if (*p++ != ' ') /* remember last non-space */ 250 e = p; 251 *e = 0; /* kill trailing spaces */ 252 } 253 254 void 255 usbd_devinfo_vp(usbd_device_handle dev, char *v, size_t lv, char *p, size_t lp, 256 int usedev) 257 { 258 usb_device_descriptor_t *udd = &dev->ddesc; 259 char *vendor = NULL, *product = NULL; 260 #ifdef USBVERBOSE 261 const struct usb_knowndev *kdp; 262 #endif 263 264 if (dev == NULL) { 265 v[0] = p[0] = '\0'; 266 return; 267 } 268 269 if (usedev) { 270 vendor = usbd_get_string(dev, udd->iManufacturer, v); 271 usbd_trim_spaces(vendor); 272 product = usbd_get_string(dev, udd->iProduct, p); 273 usbd_trim_spaces(product); 274 if (vendor && !*vendor) 275 vendor = NULL; 276 if (product && !*product) 277 product = NULL; 278 } else { 279 vendor = NULL; 280 product = NULL; 281 } 282 #ifdef USBVERBOSE 283 if (vendor == NULL || product == NULL) { 284 for(kdp = usb_knowndevs; 285 kdp->vendorname != NULL; 286 kdp++) { 287 if (kdp->vendor == UGETW(udd->idVendor) && 288 (kdp->product == UGETW(udd->idProduct) || 289 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 290 break; 291 } 292 if (kdp->vendorname != NULL) { 293 if (vendor == NULL) 294 vendor = kdp->vendorname; 295 if (product == NULL) 296 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 297 kdp->productname : NULL; 298 } 299 } 300 #endif 301 if (vendor != NULL && *vendor) 302 strlcpy(v, vendor, lv); 303 else 304 snprintf(v, lv, "vendor 0x%04x", UGETW(udd->idVendor)); 305 if (product != NULL && *product) 306 strlcpy(p, product, lp); 307 else 308 snprintf(p, lp, "product 0x%04x", UGETW(udd->idProduct)); 309 } 310 311 int 312 usbd_printBCD(char *cp, size_t l, int bcd) 313 { 314 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 315 } 316 317 void 318 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 319 { 320 usb_device_descriptor_t *udd = &dev->ddesc; 321 char vendor[USB_MAX_STRING_LEN]; 322 char product[USB_MAX_STRING_LEN]; 323 int bcdDevice, bcdUSB; 324 char *ep; 325 326 ep = cp + l; 327 328 usbd_devinfo_vp(dev, vendor, sizeof(vendor), product, 329 sizeof(product), 1); 330 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 331 if (showclass) 332 cp += snprintf(cp, ep - cp, ", class %d/%d", 333 udd->bDeviceClass, udd->bDeviceSubClass); 334 bcdUSB = UGETW(udd->bcdUSB); 335 bcdDevice = UGETW(udd->bcdDevice); 336 cp += snprintf(cp, ep - cp, ", rev "); 337 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 338 *cp++ = '/'; 339 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 340 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 341 *cp = 0; 342 } 343 344 /* Delay for a certain number of ms */ 345 void 346 usb_delay_ms(usbd_bus_handle bus, u_int ms) 347 { 348 /* Wait at least two clock ticks so we know the time has passed. */ 349 if (bus->use_polling || cold) 350 delay((ms+1) * 1000); 351 else 352 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 353 } 354 355 /* Delay given a device handle. */ 356 void 357 usbd_delay_ms(usbd_device_handle dev, u_int ms) 358 { 359 usb_delay_ms(dev->bus, ms); 360 } 361 362 usbd_status 363 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 364 { 365 usb_device_request_t req; 366 usbd_status err; 367 int n; 368 369 req.bmRequestType = UT_WRITE_CLASS_OTHER; 370 req.bRequest = UR_SET_FEATURE; 371 USETW(req.wValue, UHF_PORT_RESET); 372 USETW(req.wIndex, port); 373 USETW(req.wLength, 0); 374 err = usbd_do_request(dev, &req, 0); 375 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 376 port, usbd_errstr(err))); 377 if (err) 378 return (err); 379 n = 10; 380 do { 381 /* Wait for device to recover from reset. */ 382 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 383 err = usbd_get_port_status(dev, port, ps); 384 if (err) { 385 DPRINTF(("usbd_reset_port: get status failed %d\n", 386 err)); 387 return (err); 388 } 389 /* If the device disappeared, just give up. */ 390 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 391 return (USBD_NORMAL_COMPLETION); 392 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 393 if (n == 0) 394 return (USBD_TIMEOUT); 395 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 396 #ifdef USB_DEBUG 397 if (err) 398 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 399 err)); 400 #endif 401 402 /* Wait for the device to recover from reset. */ 403 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 404 return (err); 405 } 406 407 usb_interface_descriptor_t * 408 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 409 { 410 char *p = (char *)cd; 411 char *end = p + UGETW(cd->wTotalLength); 412 usb_interface_descriptor_t *d; 413 int curidx, lastidx, curaidx = 0; 414 415 for (curidx = lastidx = -1; p < end; ) { 416 d = (usb_interface_descriptor_t *)p; 417 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 418 "type=%d\n", 419 ifaceidx, curidx, altidx, curaidx, 420 d->bLength, d->bDescriptorType)); 421 if (d->bLength == 0) /* bad descriptor */ 422 break; 423 p += d->bLength; 424 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 425 if (d->bInterfaceNumber != lastidx) { 426 lastidx = d->bInterfaceNumber; 427 curidx++; 428 curaidx = 0; 429 } else 430 curaidx++; 431 if (ifaceidx == curidx && altidx == curaidx) 432 return (d); 433 } 434 } 435 return (NULL); 436 } 437 438 usb_endpoint_descriptor_t * 439 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 440 int endptidx) 441 { 442 char *p = (char *)cd; 443 char *end = p + UGETW(cd->wTotalLength); 444 usb_interface_descriptor_t *d; 445 usb_endpoint_descriptor_t *e; 446 int curidx; 447 448 d = usbd_find_idesc(cd, ifaceidx, altidx); 449 if (d == NULL) 450 return (NULL); 451 if (endptidx >= d->bNumEndpoints) /* quick exit */ 452 return (NULL); 453 454 curidx = -1; 455 for (p = (char *)d + d->bLength; p < end; ) { 456 e = (usb_endpoint_descriptor_t *)p; 457 if (e->bLength == 0) /* bad descriptor */ 458 break; 459 p += e->bLength; 460 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 461 return (NULL); 462 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 463 curidx++; 464 if (curidx == endptidx) 465 return (e); 466 } 467 } 468 return (NULL); 469 } 470 471 usbd_status 472 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 473 { 474 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 475 usb_interface_descriptor_t *idesc; 476 char *p, *end; 477 int endpt, nendpt; 478 479 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 480 ifaceidx, altidx)); 481 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 482 if (idesc == NULL) 483 return (USBD_INVAL); 484 ifc->device = dev; 485 ifc->idesc = idesc; 486 ifc->index = ifaceidx; 487 ifc->altindex = altidx; 488 nendpt = ifc->idesc->bNumEndpoints; 489 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 490 if (nendpt != 0) { 491 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 492 M_USB, M_NOWAIT); 493 if (ifc->endpoints == NULL) 494 return (USBD_NOMEM); 495 } else 496 ifc->endpoints = NULL; 497 ifc->priv = NULL; 498 p = (char *)ifc->idesc + ifc->idesc->bLength; 499 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 500 #define ed ((usb_endpoint_descriptor_t *)p) 501 for (endpt = 0; endpt < nendpt; endpt++) { 502 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 503 for (; p < end; p += ed->bLength) { 504 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 505 "len=%d type=%d\n", 506 p, end, ed->bLength, ed->bDescriptorType)); 507 if (p + ed->bLength <= end && ed->bLength != 0 && 508 ed->bDescriptorType == UDESC_ENDPOINT) 509 goto found; 510 if (ed->bLength == 0 || 511 ed->bDescriptorType == UDESC_INTERFACE) 512 break; 513 } 514 /* passed end, or bad desc */ 515 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 516 ed->bLength == 0 ? "0 length" : 517 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 518 "out of data"); 519 goto bad; 520 found: 521 ifc->endpoints[endpt].edesc = ed; 522 if (dev->speed == USB_SPEED_HIGH) { 523 u_int mps; 524 /* Control and bulk endpoints have max packet limits. */ 525 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 526 case UE_CONTROL: 527 mps = USB_2_MAX_CTRL_PACKET; 528 goto check; 529 case UE_BULK: 530 mps = USB_2_MAX_BULK_PACKET; 531 check: 532 if (UGETW(ed->wMaxPacketSize) != mps) { 533 USETW(ed->wMaxPacketSize, mps); 534 #ifdef DIAGNOSTIC 535 printf("usbd_fill_iface_data: bad max " 536 "packet size\n"); 537 #endif 538 } 539 break; 540 default: 541 break; 542 } 543 } 544 ifc->endpoints[endpt].refcnt = 0; 545 p += ed->bLength; 546 } 547 #undef ed 548 LIST_INIT(&ifc->pipes); 549 return (USBD_NORMAL_COMPLETION); 550 551 bad: 552 if (ifc->endpoints != NULL) { 553 free(ifc->endpoints, M_USB); 554 ifc->endpoints = NULL; 555 } 556 return (USBD_INVAL); 557 } 558 559 void 560 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 561 { 562 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 563 if (ifc->endpoints) 564 free(ifc->endpoints, M_USB); 565 } 566 567 Static usbd_status 568 usbd_set_config(usbd_device_handle dev, int conf) 569 { 570 usb_device_request_t req; 571 572 req.bmRequestType = UT_WRITE_DEVICE; 573 req.bRequest = UR_SET_CONFIG; 574 USETW(req.wValue, conf); 575 USETW(req.wIndex, 0); 576 USETW(req.wLength, 0); 577 return (usbd_do_request(dev, &req, 0)); 578 } 579 580 usbd_status 581 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 582 { 583 int index; 584 usb_config_descriptor_t cd; 585 usbd_status err; 586 587 if (no == USB_UNCONFIG_NO) 588 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 589 590 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 591 /* Figure out what config index to use. */ 592 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 593 err = usbd_get_config_desc(dev, index, &cd); 594 if (err) 595 return (err); 596 if (cd.bConfigurationValue == no) 597 return (usbd_set_config_index(dev, index, msg)); 598 } 599 return (USBD_INVAL); 600 } 601 602 usbd_status 603 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 604 { 605 usb_status_t ds; 606 usb_config_descriptor_t cd, *cdp; 607 usbd_status err; 608 int i, ifcidx, nifc, len, selfpowered, power; 609 610 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 611 612 /* XXX check that all interfaces are idle */ 613 if (dev->config != USB_UNCONFIG_NO) { 614 DPRINTF(("usbd_set_config_index: free old config\n")); 615 /* Free all configuration data structures. */ 616 nifc = dev->cdesc->bNumInterface; 617 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 618 usbd_free_iface_data(dev, ifcidx); 619 free(dev->ifaces, M_USB); 620 free(dev->cdesc, M_USB); 621 dev->ifaces = NULL; 622 dev->cdesc = NULL; 623 dev->config = USB_UNCONFIG_NO; 624 } 625 626 if (index == USB_UNCONFIG_INDEX) { 627 /* We are unconfiguring the device, so leave unallocated. */ 628 DPRINTF(("usbd_set_config_index: set config 0\n")); 629 err = usbd_set_config(dev, USB_UNCONFIG_NO); 630 if (err) 631 DPRINTF(("usbd_set_config_index: setting config=0 " 632 "failed, error=%s\n", usbd_errstr(err))); 633 return (err); 634 } 635 636 /* Get the short descriptor. */ 637 err = usbd_get_config_desc(dev, index, &cd); 638 if (err) 639 return (err); 640 len = UGETW(cd.wTotalLength); 641 cdp = malloc(len, M_USB, M_NOWAIT); 642 if (cdp == NULL) 643 return (USBD_NOMEM); 644 645 /* Get the full descriptor. Try a few times for slow devices. */ 646 for (i = 0; i < 3; i++) { 647 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 648 if (!err) 649 break; 650 usbd_delay_ms(dev, 200); 651 } 652 if (err) 653 goto bad; 654 655 if (cdp->bDescriptorType != UDESC_CONFIG) { 656 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 657 cdp->bDescriptorType)); 658 err = USBD_INVAL; 659 goto bad; 660 } 661 662 /* Figure out if the device is self or bus powered. */ 663 selfpowered = 0; 664 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 665 (cdp->bmAttributes & UC_SELF_POWERED)) { 666 /* May be self powered. */ 667 if (cdp->bmAttributes & UC_BUS_POWERED) { 668 /* Must ask device. */ 669 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 670 /* 671 * Hub claims to be self powered, but isn't. 672 * It seems that the power status can be 673 * determined by the hub characteristics. 674 */ 675 usb_hub_descriptor_t hd; 676 usb_device_request_t req; 677 req.bmRequestType = UT_READ_CLASS_DEVICE; 678 req.bRequest = UR_GET_DESCRIPTOR; 679 USETW(req.wValue, 0); 680 USETW(req.wIndex, 0); 681 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 682 err = usbd_do_request(dev, &req, &hd); 683 if (!err && 684 (UGETW(hd.wHubCharacteristics) & 685 UHD_PWR_INDIVIDUAL)) 686 selfpowered = 1; 687 DPRINTF(("usbd_set_config_index: charac=0x%04x" 688 ", error=%s\n", 689 UGETW(hd.wHubCharacteristics), 690 usbd_errstr(err))); 691 } else { 692 err = usbd_get_device_status(dev, &ds); 693 if (!err && 694 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 695 selfpowered = 1; 696 DPRINTF(("usbd_set_config_index: status=0x%04x" 697 ", error=%s\n", 698 UGETW(ds.wStatus), usbd_errstr(err))); 699 } 700 } else 701 selfpowered = 1; 702 } 703 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 704 "selfpowered=%d, power=%d\n", 705 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 706 selfpowered, cdp->bMaxPower * 2)); 707 708 /* Check if we have enough power. */ 709 #ifdef USB_DEBUG 710 if (dev->powersrc == NULL) { 711 DPRINTF(("usbd_set_config_index: No power source?\n")); 712 return (USBD_IOERROR); 713 } 714 #endif 715 power = cdp->bMaxPower * 2; 716 if (power > dev->powersrc->power) { 717 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 718 /* XXX print nicer message. */ 719 if (msg) 720 printf("%s: device addr %d (config %d) exceeds power " 721 "budget, %d mA > %d mA\n", 722 USBDEVNAME(dev->bus->bdev), dev->address, 723 cdp->bConfigurationValue, 724 power, dev->powersrc->power); 725 err = USBD_NO_POWER; 726 goto bad; 727 } 728 dev->power = power; 729 dev->self_powered = selfpowered; 730 731 /* Set the actual configuration value. */ 732 DPRINTF(("usbd_set_config_index: set config %d\n", 733 cdp->bConfigurationValue)); 734 err = usbd_set_config(dev, cdp->bConfigurationValue); 735 if (err) { 736 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 737 "error=%s\n", 738 cdp->bConfigurationValue, usbd_errstr(err))); 739 goto bad; 740 } 741 742 /* Allocate and fill interface data. */ 743 nifc = cdp->bNumInterface; 744 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 745 M_USB, M_NOWAIT); 746 if (dev->ifaces == NULL) { 747 err = USBD_NOMEM; 748 goto bad; 749 } 750 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 751 dev->cdesc = cdp; 752 dev->config = cdp->bConfigurationValue; 753 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 754 err = usbd_fill_iface_data(dev, ifcidx, 0); 755 if (err) { 756 while (--ifcidx >= 0) 757 usbd_free_iface_data(dev, ifcidx); 758 goto bad; 759 } 760 } 761 762 return (USBD_NORMAL_COMPLETION); 763 764 bad: 765 free(cdp, M_USB); 766 return (err); 767 } 768 769 /* XXX add function for alternate settings */ 770 771 usbd_status 772 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 773 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 774 { 775 usbd_pipe_handle p; 776 usbd_status err; 777 778 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 779 dev, iface, ep, pipe)); 780 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 781 if (p == NULL) 782 return (USBD_NOMEM); 783 p->device = dev; 784 p->iface = iface; 785 p->endpoint = ep; 786 ep->refcnt++; 787 p->refcnt = 1; 788 p->intrxfer = 0; 789 p->running = 0; 790 p->aborting = 0; 791 p->repeat = 0; 792 p->interval = ival; 793 SIMPLEQ_INIT(&p->queue); 794 err = dev->bus->methods->open_pipe(p); 795 if (err) { 796 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 797 "%s\n", 798 ep->edesc->bEndpointAddress, usbd_errstr(err))); 799 free(p, M_USB); 800 return (err); 801 } 802 /* Clear any stall and make sure DATA0 toggle will be used next. */ 803 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) { 804 err = usbd_clear_endpoint_stall(p); 805 /* Some devices reject this command, so ignore a STALL. */ 806 if (err && err != USBD_STALLED) { 807 printf("usbd_setup_pipe: failed to start endpoint, %s\n", usbd_errstr(err)); 808 return (err); 809 } 810 } 811 *pipe = p; 812 return (USBD_NORMAL_COMPLETION); 813 } 814 815 /* Abort the device control pipe. */ 816 void 817 usbd_kill_pipe(usbd_pipe_handle pipe) 818 { 819 usbd_abort_pipe(pipe); 820 pipe->methods->close(pipe); 821 pipe->endpoint->refcnt--; 822 free(pipe, M_USB); 823 } 824 825 int 826 usbd_getnewaddr(usbd_bus_handle bus) 827 { 828 int addr; 829 830 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 831 if (bus->devices[addr] == 0) 832 return (addr); 833 return (-1); 834 } 835 836 837 usbd_status 838 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 839 int port, int addr) 840 { 841 struct usb_attach_arg uaa; 842 usb_device_descriptor_t *dd = &dev->ddesc; 843 int found, i, confi, nifaces; 844 usbd_status err; 845 device_ptr_t dv; 846 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 847 848 #if defined(__FreeBSD__) 849 /* 850 * XXX uaa is a static var. Not a problem as it _should_ be used only 851 * during probe and attach. Should be changed however. 852 */ 853 device_t bdev; 854 bdev = device_add_child(parent, NULL, -1, &uaa); 855 if (!bdev) { 856 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 857 return (USBD_INVAL); 858 } 859 device_quiet(bdev); 860 #endif 861 862 uaa.device = dev; 863 uaa.iface = NULL; 864 uaa.ifaces = NULL; 865 uaa.nifaces = 0; 866 uaa.usegeneric = 0; 867 uaa.port = port; 868 uaa.configno = UHUB_UNK_CONFIGURATION; 869 uaa.ifaceno = UHUB_UNK_INTERFACE; 870 uaa.vendor = UGETW(dd->idVendor); 871 uaa.product = UGETW(dd->idProduct); 872 uaa.release = UGETW(dd->bcdDevice); 873 874 /* First try with device specific drivers. */ 875 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 876 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 877 if (dv) { 878 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 879 if (dev->subdevs == NULL) 880 return (USBD_NOMEM); 881 dev->subdevs[0] = dv; 882 dev->subdevs[1] = 0; 883 return (USBD_NORMAL_COMPLETION); 884 } 885 886 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 887 888 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 889 dd->bNumConfigurations)); 890 /* Next try with interface drivers. */ 891 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 892 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 893 confi)); 894 err = usbd_set_config_index(dev, confi, 1); 895 if (err) { 896 #ifdef USB_DEBUG 897 DPRINTF(("%s: port %d, set config at addr %d failed, " 898 "error=%s\n", USBDEVPTRNAME(parent), port, 899 addr, usbd_errstr(err))); 900 #else 901 printf("%s: port %d, set config at addr %d failed\n", 902 USBDEVPTRNAME(parent), port, addr); 903 #endif 904 #if defined(__FreeBSD__) 905 device_delete_child(parent, bdev); 906 #endif 907 908 return (err); 909 } 910 nifaces = dev->cdesc->bNumInterface; 911 uaa.configno = dev->cdesc->bConfigurationValue; 912 for (i = 0; i < nifaces; i++) 913 ifaces[i] = &dev->ifaces[i]; 914 uaa.ifaces = ifaces; 915 uaa.nifaces = nifaces; 916 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 917 if (dev->subdevs == NULL) { 918 #if defined(__FreeBSD__) 919 device_delete_child(parent, bdev); 920 #endif 921 return (USBD_NOMEM); 922 } 923 924 found = 0; 925 for (i = 0; i < nifaces; i++) { 926 if (ifaces[i] == NULL) 927 continue; /* interface already claimed */ 928 uaa.iface = ifaces[i]; 929 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 930 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 931 usbd_submatch); 932 if (dv != NULL) { 933 dev->subdevs[found++] = dv; 934 dev->subdevs[found] = 0; 935 ifaces[i] = 0; /* consumed */ 936 937 #if defined(__FreeBSD__) 938 /* create another child for the next iface */ 939 bdev = device_add_child(parent, NULL, -1,&uaa); 940 if (!bdev) { 941 printf("%s: Device creation failed\n", 942 USBDEVNAME(dev->bus->bdev)); 943 return (USBD_NORMAL_COMPLETION); 944 } 945 device_quiet(bdev); 946 #endif 947 } 948 } 949 if (found != 0) { 950 #if defined(__FreeBSD__) 951 /* remove the last created child again; it is unused */ 952 device_delete_child(parent, bdev); 953 #endif 954 return (USBD_NORMAL_COMPLETION); 955 } 956 free(dev->subdevs, M_USB); 957 dev->subdevs = 0; 958 } 959 /* No interfaces were attached in any of the configurations. */ 960 961 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 962 usbd_set_config_index(dev, 0, 0); 963 964 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 965 966 /* Finally try the generic driver. */ 967 uaa.iface = NULL; 968 uaa.usegeneric = 1; 969 uaa.configno = UHUB_UNK_CONFIGURATION; 970 uaa.ifaceno = UHUB_UNK_INTERFACE; 971 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 972 if (dv != NULL) { 973 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 974 if (dev->subdevs == 0) 975 return (USBD_NOMEM); 976 dev->subdevs[0] = dv; 977 dev->subdevs[1] = 0; 978 return (USBD_NORMAL_COMPLETION); 979 } 980 981 /* 982 * The generic attach failed, but leave the device as it is. 983 * We just did not find any drivers, that's all. The device is 984 * fully operational and not harming anyone. 985 */ 986 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 987 #if defined(__FreeBSD__) 988 device_delete_child(parent, bdev); 989 #endif 990 return (USBD_NORMAL_COMPLETION); 991 } 992 993 994 /* 995 * Called when a new device has been put in the powered state, 996 * but not yet in the addressed state. 997 * Get initial descriptor, set the address, get full descriptor, 998 * and attach a driver. 999 */ 1000 usbd_status 1001 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 1002 int speed, int port, struct usbd_port *up) 1003 { 1004 usbd_device_handle dev; 1005 struct usbd_device *hub; 1006 usb_device_descriptor_t *dd; 1007 usb_port_status_t ps; 1008 usbd_status err; 1009 int addr; 1010 int i; 1011 1012 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 1013 bus, port, depth, speed)); 1014 addr = usbd_getnewaddr(bus); 1015 if (addr < 0) { 1016 printf("%s: No free USB addresses, new device ignored.\n", 1017 USBDEVNAME(bus->bdev)); 1018 return (USBD_NO_ADDR); 1019 } 1020 1021 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 1022 if (dev == NULL) 1023 return (USBD_NOMEM); 1024 1025 dev->bus = bus; 1026 1027 /* Set up default endpoint handle. */ 1028 dev->def_ep.edesc = &dev->def_ep_desc; 1029 1030 /* Set up default endpoint descriptor. */ 1031 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1032 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1033 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1034 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1035 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1036 dev->def_ep_desc.bInterval = 0; 1037 1038 dev->quirks = &usbd_no_quirk; 1039 dev->address = USB_START_ADDR; 1040 dev->ddesc.bMaxPacketSize = 0; 1041 dev->depth = depth; 1042 dev->powersrc = up; 1043 dev->myhub = up->parent; 1044 for (hub = up->parent; 1045 hub != NULL && hub->speed != USB_SPEED_HIGH; 1046 hub = hub->myhub) 1047 ; 1048 dev->myhighhub = hub; 1049 dev->speed = speed; 1050 dev->langid = USBD_NOLANG; 1051 dev->cookie.cookie = ++usb_cookie_no; 1052 1053 /* Establish the default pipe. */ 1054 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1055 &dev->default_pipe); 1056 if (err) { 1057 usbd_remove_device(dev, up); 1058 return (err); 1059 } 1060 1061 up->device = dev; 1062 1063 /* Set the address. Do this early; some devices need that. */ 1064 err = usbd_set_address(dev, addr); 1065 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1066 if (err) { 1067 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1068 err = USBD_SET_ADDR_FAILED; 1069 usbd_remove_device(dev, up); 1070 return (err); 1071 } 1072 /* Allow device time to set new address */ 1073 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1074 dev->address = addr; /* New device address now */ 1075 bus->devices[addr] = dev; 1076 1077 dd = &dev->ddesc; 1078 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1079 for (i = 0; i < 10; i++) { 1080 /* Get the first 8 bytes of the device descriptor. */ 1081 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1082 if (!err) 1083 break; 1084 usbd_delay_ms(dev, 200); 1085 if ((i & 3) == 3) 1086 usbd_reset_port(up->parent, port, &ps); 1087 } 1088 if (err) { 1089 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1090 "failed\n", addr)); 1091 usbd_remove_device(dev, up); 1092 return (err); 1093 } 1094 1095 if (speed == USB_SPEED_HIGH) { 1096 /* Max packet size must be 64 (sec 5.5.3). */ 1097 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1098 #ifdef DIAGNOSTIC 1099 printf("usbd_new_device: addr=%d bad max packet size\n", 1100 addr); 1101 #endif 1102 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1103 } 1104 } 1105 1106 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1107 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1108 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1109 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1110 dev->speed)); 1111 1112 if (dd->bDescriptorType != UDESC_DEVICE) { 1113 /* Illegal device descriptor */ 1114 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1115 dd->bDescriptorType)); 1116 usbd_remove_device(dev, up); 1117 return (USBD_INVAL); 1118 } 1119 1120 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1121 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1122 usbd_remove_device(dev, up); 1123 return (USBD_INVAL); 1124 } 1125 1126 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1127 1128 err = usbd_reload_device_desc(dev); 1129 if (err) { 1130 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1131 "failed\n", addr)); 1132 usbd_remove_device(dev, up); 1133 return (err); 1134 } 1135 1136 /* Assume 100mA bus powered for now. Changed when configured. */ 1137 dev->power = USB_MIN_POWER; 1138 dev->self_powered = 0; 1139 1140 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1141 addr, dev, parent)); 1142 1143 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1144 1145 err = usbd_probe_and_attach(parent, dev, port, addr); 1146 if (err) { 1147 usbd_remove_device(dev, up); 1148 return (err); 1149 } 1150 1151 return (USBD_NORMAL_COMPLETION); 1152 } 1153 1154 usbd_status 1155 usbd_reload_device_desc(usbd_device_handle dev) 1156 { 1157 usbd_status err; 1158 1159 /* Get the full device descriptor. */ 1160 err = usbd_get_device_desc(dev, &dev->ddesc); 1161 if (err) 1162 return (err); 1163 1164 /* Figure out what's wrong with this device. */ 1165 dev->quirks = usbd_find_quirk(&dev->ddesc); 1166 1167 return (USBD_NORMAL_COMPLETION); 1168 } 1169 1170 void 1171 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1172 { 1173 DPRINTF(("usbd_remove_device: %p\n", dev)); 1174 1175 if (dev->default_pipe != NULL) 1176 usbd_kill_pipe(dev->default_pipe); 1177 up->device = 0; 1178 dev->bus->devices[dev->address] = 0; 1179 1180 free(dev, M_USB); 1181 } 1182 1183 #if defined(__NetBSD__) || defined(__OpenBSD__) 1184 int 1185 usbd_print(void *aux, const char *pnp) 1186 { 1187 struct usb_attach_arg *uaa = aux; 1188 char devinfo[1024]; 1189 1190 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1191 if (pnp) { 1192 if (!uaa->usegeneric) 1193 return (QUIET); 1194 usbd_devinfo(uaa->device, 1, devinfo, sizeof(devinfo)); 1195 aprint_normal("%s, %s", devinfo, pnp); 1196 } 1197 if (uaa->port != 0) 1198 aprint_normal(" port %d", uaa->port); 1199 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1200 aprint_normal(" configuration %d", uaa->configno); 1201 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1202 aprint_normal(" interface %d", uaa->ifaceno); 1203 #if 0 1204 /* 1205 * It gets very crowded with these locators on the attach line. 1206 * They are not really needed since they are printed in the clear 1207 * by each driver. 1208 */ 1209 if (uaa->vendor != UHUB_UNK_VENDOR) 1210 aprint_normal(" vendor 0x%04x", uaa->vendor); 1211 if (uaa->product != UHUB_UNK_PRODUCT) 1212 aprint_normal(" product 0x%04x", uaa->product); 1213 if (uaa->release != UHUB_UNK_RELEASE) 1214 aprint_normal(" release 0x%04x", uaa->release); 1215 #endif 1216 return (UNCONF); 1217 } 1218 1219 #if defined(__NetBSD__) 1220 int 1221 usbd_submatch(struct device *parent, struct cfdata *cf, 1222 const locdesc_t *ldesc, void *aux) 1223 { 1224 #elif defined(__OpenBSD__) 1225 int 1226 usbd_submatch(struct device *parent, void *match, void *aux) 1227 { 1228 struct cfdata *cf = match; 1229 #endif 1230 struct usb_attach_arg *uaa = aux; 1231 1232 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1233 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1234 uaa->port, cf->uhubcf_port, 1235 uaa->configno, cf->uhubcf_configuration, 1236 uaa->ifaceno, cf->uhubcf_interface, 1237 uaa->vendor, cf->uhubcf_vendor, 1238 uaa->product, cf->uhubcf_product, 1239 uaa->release, cf->uhubcf_release)); 1240 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1241 ((cf->uhubcf_port != UHUB_UNK_PORT && 1242 cf->uhubcf_port != uaa->port) || 1243 (uaa->configno != UHUB_UNK_CONFIGURATION && 1244 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1245 cf->uhubcf_configuration != uaa->configno) || 1246 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1247 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1248 cf->uhubcf_interface != uaa->ifaceno) || 1249 (uaa->vendor != UHUB_UNK_VENDOR && 1250 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1251 cf->uhubcf_vendor != uaa->vendor) || 1252 (uaa->product != UHUB_UNK_PRODUCT && 1253 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1254 cf->uhubcf_product != uaa->product) || 1255 (uaa->release != UHUB_UNK_RELEASE && 1256 cf->uhubcf_release != UHUB_UNK_RELEASE && 1257 cf->uhubcf_release != uaa->release) 1258 ) 1259 ) 1260 return 0; 1261 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1262 cf->uhubcf_vendor == uaa->vendor && 1263 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1264 cf->uhubcf_product == uaa->product) { 1265 /* We have a vendor&product locator match */ 1266 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1267 cf->uhubcf_release == uaa->release) 1268 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1269 else 1270 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1271 } else 1272 uaa->matchlvl = 0; 1273 return (config_match(parent, cf, aux)); 1274 } 1275 1276 #endif 1277 1278 void 1279 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1280 int usedev) 1281 { 1282 struct usbd_port *p; 1283 int i, err, s; 1284 1285 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1286 di->udi_addr = dev->address; 1287 di->udi_cookie = dev->cookie; 1288 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1289 di->udi_product, sizeof(di->udi_product), usedev); 1290 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1291 UGETW(dev->ddesc.bcdDevice)); 1292 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1293 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1294 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1295 di->udi_class = dev->ddesc.bDeviceClass; 1296 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1297 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1298 di->udi_config = dev->config; 1299 di->udi_power = dev->self_powered ? 0 : dev->power; 1300 di->udi_speed = dev->speed; 1301 1302 if (dev->subdevs != NULL) { 1303 for (i = 0; dev->subdevs[i] && 1304 i < USB_MAX_DEVNAMES; i++) { 1305 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1306 USB_MAX_DEVNAMELEN); 1307 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1308 } 1309 } else { 1310 i = 0; 1311 } 1312 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1313 di->udi_devnames[i][0] = 0; /* empty */ 1314 1315 if (dev->hub) { 1316 for (i = 0; 1317 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1318 i < dev->hub->hubdesc.bNbrPorts; 1319 i++) { 1320 p = &dev->hub->ports[i]; 1321 if (p->device) 1322 err = p->device->address; 1323 else { 1324 s = UGETW(p->status.wPortStatus); 1325 if (s & UPS_PORT_ENABLED) 1326 err = USB_PORT_ENABLED; 1327 else if (s & UPS_SUSPEND) 1328 err = USB_PORT_SUSPENDED; 1329 else if (s & UPS_PORT_POWER) 1330 err = USB_PORT_POWERED; 1331 else 1332 err = USB_PORT_DISABLED; 1333 } 1334 di->udi_ports[i] = err; 1335 } 1336 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1337 } else 1338 di->udi_nports = 0; 1339 } 1340 1341 void 1342 usb_free_device(usbd_device_handle dev) 1343 { 1344 int ifcidx, nifc; 1345 1346 if (dev->default_pipe != NULL) 1347 usbd_kill_pipe(dev->default_pipe); 1348 if (dev->ifaces != NULL) { 1349 nifc = dev->cdesc->bNumInterface; 1350 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1351 usbd_free_iface_data(dev, ifcidx); 1352 free(dev->ifaces, M_USB); 1353 } 1354 if (dev->cdesc != NULL) 1355 free(dev->cdesc, M_USB); 1356 if (dev->subdevs != NULL) 1357 free(dev->subdevs, M_USB); 1358 free(dev, M_USB); 1359 } 1360 1361 /* 1362 * The general mechanism for detaching drivers works as follows: Each 1363 * driver is responsible for maintaining a reference count on the 1364 * number of outstanding references to its softc (e.g. from 1365 * processing hanging in a read or write). The detach method of the 1366 * driver decrements this counter and flags in the softc that the 1367 * driver is dying and then wakes any sleepers. It then sleeps on the 1368 * softc. Each place that can sleep must maintain the reference 1369 * count. When the reference count drops to -1 (0 is the normal value 1370 * of the reference count) the a wakeup on the softc is performed 1371 * signaling to the detach waiter that all references are gone. 1372 */ 1373 1374 /* 1375 * Called from process context when we discover that a port has 1376 * been disconnected. 1377 */ 1378 void 1379 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1380 { 1381 usbd_device_handle dev = up->device; 1382 char *hubname = USBDEVPTRNAME(parent); 1383 int i; 1384 1385 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1386 up, dev, up->portno)); 1387 1388 #ifdef DIAGNOSTIC 1389 if (dev == NULL) { 1390 printf("usb_disconnect_port: no device\n"); 1391 return; 1392 } 1393 #endif 1394 1395 if (dev->subdevs != NULL) { 1396 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1397 for (i = 0; dev->subdevs[i]; i++) { 1398 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1399 hubname); 1400 if (up->portno != 0) 1401 printf(" port %d", up->portno); 1402 printf(" (addr %d) disconnected\n", dev->address); 1403 config_detach(dev->subdevs[i], DETACH_FORCE); 1404 dev->subdevs[i] = 0; 1405 } 1406 } 1407 1408 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1409 dev->bus->devices[dev->address] = NULL; 1410 up->device = NULL; 1411 usb_free_device(dev); 1412 } 1413 1414 #ifdef __OpenBSD__ 1415 void *usb_realloc(void *p, u_int size, int pool, int flags) 1416 { 1417 void *q; 1418 1419 q = malloc(size, pool, flags); 1420 if (q == NULL) 1421 return (NULL); 1422 bcopy(p, q, size); 1423 free(p, pool); 1424 return (q); 1425 } 1426 #endif 1427