1 /* $OpenBSD: usb_subr.c,v 1.26 2003/07/08 13:19:09 nate Exp $ */ 2 /* $NetBSD: usb_subr.c,v 1.103 2003/01/10 11:19:13 augustss Exp $ */ 3 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ 4 5 /* 6 * Copyright (c) 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Lennart Augustsson (lennart@augustsson.net) at 11 * Carlstedt Research & Technology. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #if defined(__NetBSD__) || defined(__OpenBSD__) 47 #include <sys/device.h> 48 #include <sys/select.h> 49 #elif defined(__FreeBSD__) 50 #include <sys/module.h> 51 #include <sys/bus.h> 52 #endif 53 #include <sys/proc.h> 54 55 #include <machine/bus.h> 56 57 #include <dev/usb/usb.h> 58 59 #include <dev/usb/usbdi.h> 60 #include <dev/usb/usbdi_util.h> 61 #include <dev/usb/usbdivar.h> 62 #include <dev/usb/usbdevs.h> 63 #include <dev/usb/usb_quirks.h> 64 65 #if defined(__FreeBSD__) 66 #include <machine/clock.h> 67 #define delay(d) DELAY(d) 68 #endif 69 70 #ifdef USB_DEBUG 71 #define DPRINTF(x) if (usbdebug) logprintf x 72 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 73 extern int usbdebug; 74 #else 75 #define DPRINTF(x) 76 #define DPRINTFN(n,x) 77 #endif 78 79 Static usbd_status usbd_set_config(usbd_device_handle, int); 80 Static void usbd_devinfo_vp(usbd_device_handle, char *, char *, int); 81 Static char *usbd_get_string(usbd_device_handle, int, char *); 82 Static int usbd_getnewaddr(usbd_bus_handle bus); 83 #if defined(__NetBSD__) 84 Static int usbd_print(void *aux, const char *pnp); 85 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 86 #elif defined(__OpenBSD__) 87 Static int usbd_print(void *aux, const char *pnp); 88 Static int usbd_submatch(device_ptr_t, void *, void *); 89 #endif 90 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 91 Static void usbd_kill_pipe(usbd_pipe_handle); 92 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 93 usbd_device_handle dev, int port, int addr); 94 95 Static u_int32_t usb_cookie_no = 0; 96 97 #ifdef USBVERBOSE 98 typedef u_int16_t usb_vendor_id_t; 99 typedef u_int16_t usb_product_id_t; 100 101 /* 102 * Descriptions of of known vendors and devices ("products"). 103 */ 104 struct usb_knowndev { 105 usb_vendor_id_t vendor; 106 usb_product_id_t product; 107 int flags; 108 char *vendorname, *productname; 109 }; 110 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 111 112 #include <dev/usb/usbdevs_data.h> 113 #endif /* USBVERBOSE */ 114 115 Static const char * const usbd_error_strs[] = { 116 "NORMAL_COMPLETION", 117 "IN_PROGRESS", 118 "PENDING_REQUESTS", 119 "NOT_STARTED", 120 "INVAL", 121 "NOMEM", 122 "CANCELLED", 123 "BAD_ADDRESS", 124 "IN_USE", 125 "NO_ADDR", 126 "SET_ADDR_FAILED", 127 "NO_POWER", 128 "TOO_DEEP", 129 "IOERROR", 130 "NOT_CONFIGURED", 131 "TIMEOUT", 132 "SHORT_XFER", 133 "STALLED", 134 "INTERRUPTED", 135 "XXX", 136 }; 137 138 const char * 139 usbd_errstr(usbd_status err) 140 { 141 static char buffer[5]; 142 143 if (err < USBD_ERROR_MAX) { 144 return usbd_error_strs[err]; 145 } else { 146 snprintf(buffer, sizeof buffer, "%d", err); 147 return buffer; 148 } 149 } 150 151 usbd_status 152 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 153 usb_string_descriptor_t *sdesc) 154 { 155 usb_device_request_t req; 156 usbd_status err; 157 int actlen; 158 159 req.bmRequestType = UT_READ_DEVICE; 160 req.bRequest = UR_GET_DESCRIPTOR; 161 USETW2(req.wValue, UDESC_STRING, sindex); 162 USETW(req.wIndex, langid); 163 USETW(req.wLength, 1); /* only size byte first */ 164 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 165 &actlen, USBD_DEFAULT_TIMEOUT); 166 if (err) 167 return (err); 168 169 if (actlen < 1) 170 return (USBD_SHORT_XFER); 171 172 USETW(req.wLength, sdesc->bLength); /* the whole string */ 173 return (usbd_do_request(dev, &req, sdesc)); 174 } 175 176 char * 177 usbd_get_string(usbd_device_handle dev, int si, char *buf) 178 { 179 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 180 usb_string_descriptor_t us; 181 char *s; 182 int i, n; 183 u_int16_t c; 184 usbd_status err; 185 186 if (si == 0) 187 return (0); 188 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 189 return (0); 190 if (dev->langid == USBD_NOLANG) { 191 /* Set up default language */ 192 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 193 if (err || us.bLength < 4) { 194 dev->langid = 0; /* Well, just pick English then */ 195 } else { 196 /* Pick the first language as the default. */ 197 dev->langid = UGETW(us.bString[0]); 198 } 199 } 200 err = usbd_get_string_desc(dev, si, dev->langid, &us); 201 if (err) 202 return (0); 203 s = buf; 204 n = us.bLength / 2 - 1; 205 for (i = 0; i < n; i++) { 206 c = UGETW(us.bString[i]); 207 /* Convert from Unicode, handle buggy strings. */ 208 if ((c & 0xff00) == 0) 209 *s++ = c; 210 else if ((c & 0x00ff) == 0 && swap) 211 *s++ = c >> 8; 212 else 213 *s++ = '?'; 214 } 215 *s++ = 0; 216 return (buf); 217 } 218 219 static void 220 usbd_trim_spaces(char *p) 221 { 222 char *q, *e; 223 224 if (p == NULL) 225 return; 226 q = e = p; 227 while (*q == ' ') /* skip leading spaces */ 228 q++; 229 while ((*p = *q++)) /* copy string */ 230 if (*p++ != ' ') /* remember last non-space */ 231 e = p; 232 *e = 0; /* kill trailing spaces */ 233 } 234 235 void 236 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev) 237 { 238 usb_device_descriptor_t *udd = &dev->ddesc; 239 char *vendor = 0, *product = 0; 240 #ifdef USBVERBOSE 241 const struct usb_knowndev *kdp; 242 #endif 243 244 if (dev == NULL) { 245 v[0] = p[0] = '\0'; 246 return; 247 } 248 249 if (usedev) { 250 vendor = usbd_get_string(dev, udd->iManufacturer, v); 251 usbd_trim_spaces(vendor); 252 product = usbd_get_string(dev, udd->iProduct, p); 253 usbd_trim_spaces(product); 254 } else { 255 vendor = NULL; 256 product = NULL; 257 } 258 #ifdef USBVERBOSE 259 if (vendor == NULL || product == NULL) { 260 for(kdp = usb_knowndevs; 261 kdp->vendorname != NULL; 262 kdp++) { 263 if (kdp->vendor == UGETW(udd->idVendor) && 264 (kdp->product == UGETW(udd->idProduct) || 265 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 266 break; 267 } 268 if (kdp->vendorname != NULL) { 269 if (vendor == NULL) 270 vendor = kdp->vendorname; 271 if (product == NULL) 272 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 273 kdp->productname : NULL; 274 } 275 } 276 #endif 277 if (vendor != NULL && *vendor) 278 strlcpy(v, vendor, USB_MAX_STRING_LEN); /* XXX */ 279 else 280 snprintf(v, USB_MAX_STRING_LEN, "vendor 0x%04x", /* XXX */ 281 UGETW(udd->idVendor)); 282 if (product != NULL && *product) 283 strlcpy(p, product, USB_MAX_STRING_LEN); /* XXX */ 284 else 285 snprintf(p, USB_MAX_STRING_LEN, "product 0x%04x", /* XXX */ 286 UGETW(udd->idProduct)); 287 } 288 289 int 290 usbd_printBCD(char *cp, size_t len, int bcd) 291 { 292 return (snprintf(cp, len, "%x.%02x", bcd >> 8, bcd & 0xff)); 293 } 294 295 void 296 usbd_devinfo(usbd_device_handle dev, int showclass, char *base, size_t len) 297 { 298 usb_device_descriptor_t *udd = &dev->ddesc; 299 char vendor[USB_MAX_STRING_LEN]; 300 char product[USB_MAX_STRING_LEN]; 301 char *cp = base; 302 int bcdDevice, bcdUSB; 303 304 usbd_devinfo_vp(dev, vendor, product, 1); 305 snprintf(cp, len, "%s %s", vendor, product); 306 cp += strlen(cp); 307 if (showclass) { 308 snprintf(cp, base + len - cp, ", class %d/%d", 309 udd->bDeviceClass, udd->bDeviceSubClass); 310 cp += strlen(cp); 311 } 312 bcdUSB = UGETW(udd->bcdUSB); 313 bcdDevice = UGETW(udd->bcdDevice); 314 snprintf(cp, base + len - cp, ", rev "); 315 cp += strlen(cp); 316 usbd_printBCD(cp, base + len - cp, bcdUSB); 317 cp += strlen(cp); 318 *cp++ = '/'; 319 usbd_printBCD(cp, base + len - cp, bcdDevice); 320 cp += strlen(cp); 321 snprintf(cp, base + len - cp, ", addr %d", dev->address); 322 cp += strlen(cp); 323 *cp = 0; 324 } 325 326 /* Delay for a certain number of ms */ 327 void 328 usb_delay_ms(usbd_bus_handle bus, u_int ms) 329 { 330 /* Wait at least two clock ticks so we know the time has passed. */ 331 if (bus->use_polling || cold) 332 delay((ms+1) * 1000); 333 else 334 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 335 } 336 337 /* Delay given a device handle. */ 338 void 339 usbd_delay_ms(usbd_device_handle dev, u_int ms) 340 { 341 usb_delay_ms(dev->bus, ms); 342 } 343 344 usbd_status 345 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 346 { 347 usb_device_request_t req; 348 usbd_status err; 349 int n; 350 351 req.bmRequestType = UT_WRITE_CLASS_OTHER; 352 req.bRequest = UR_SET_FEATURE; 353 USETW(req.wValue, UHF_PORT_RESET); 354 USETW(req.wIndex, port); 355 USETW(req.wLength, 0); 356 err = usbd_do_request(dev, &req, 0); 357 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 358 port, usbd_errstr(err))); 359 if (err) 360 return (err); 361 n = 10; 362 do { 363 /* Wait for device to recover from reset. */ 364 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 365 err = usbd_get_port_status(dev, port, ps); 366 if (err) { 367 DPRINTF(("usbd_reset_port: get status failed %d\n", 368 err)); 369 return (err); 370 } 371 /* If the device disappeared, just give up. */ 372 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 373 return (USBD_NORMAL_COMPLETION); 374 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 375 if (n == 0) 376 return (USBD_TIMEOUT); 377 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 378 #ifdef USB_DEBUG 379 if (err) 380 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 381 err)); 382 #endif 383 384 /* Wait for the device to recover from reset. */ 385 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 386 return (err); 387 } 388 389 usb_interface_descriptor_t * 390 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 391 { 392 char *p = (char *)cd; 393 char *end = p + UGETW(cd->wTotalLength); 394 usb_interface_descriptor_t *d; 395 int curidx, lastidx, curaidx = 0; 396 397 for (curidx = lastidx = -1; p < end; ) { 398 d = (usb_interface_descriptor_t *)p; 399 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 400 "type=%d\n", 401 ifaceidx, curidx, altidx, curaidx, 402 d->bLength, d->bDescriptorType)); 403 if (d->bLength == 0) /* bad descriptor */ 404 break; 405 p += d->bLength; 406 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 407 if (d->bInterfaceNumber != lastidx) { 408 lastidx = d->bInterfaceNumber; 409 curidx++; 410 curaidx = 0; 411 } else 412 curaidx++; 413 if (ifaceidx == curidx && altidx == curaidx) 414 return (d); 415 } 416 } 417 return (NULL); 418 } 419 420 usb_endpoint_descriptor_t * 421 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 422 int endptidx) 423 { 424 char *p = (char *)cd; 425 char *end = p + UGETW(cd->wTotalLength); 426 usb_interface_descriptor_t *d; 427 usb_endpoint_descriptor_t *e; 428 int curidx; 429 430 d = usbd_find_idesc(cd, ifaceidx, altidx); 431 if (d == NULL) 432 return (NULL); 433 if (endptidx >= d->bNumEndpoints) /* quick exit */ 434 return (NULL); 435 436 curidx = -1; 437 for (p = (char *)d + d->bLength; p < end; ) { 438 e = (usb_endpoint_descriptor_t *)p; 439 if (e->bLength == 0) /* bad descriptor */ 440 break; 441 p += e->bLength; 442 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 443 return (NULL); 444 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 445 curidx++; 446 if (curidx == endptidx) 447 return (e); 448 } 449 } 450 return (NULL); 451 } 452 453 usbd_status 454 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 455 { 456 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 457 usb_interface_descriptor_t *idesc; 458 char *p, *end; 459 int endpt, nendpt; 460 461 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 462 ifaceidx, altidx)); 463 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 464 if (idesc == NULL) 465 return (USBD_INVAL); 466 ifc->device = dev; 467 ifc->idesc = idesc; 468 ifc->index = ifaceidx; 469 ifc->altindex = altidx; 470 nendpt = ifc->idesc->bNumEndpoints; 471 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 472 if (nendpt != 0) { 473 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 474 M_USB, M_NOWAIT); 475 if (ifc->endpoints == NULL) 476 return (USBD_NOMEM); 477 } else 478 ifc->endpoints = NULL; 479 ifc->priv = NULL; 480 p = (char *)ifc->idesc + ifc->idesc->bLength; 481 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 482 #define ed ((usb_endpoint_descriptor_t *)p) 483 for (endpt = 0; endpt < nendpt; endpt++) { 484 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 485 for (; p < end; p += ed->bLength) { 486 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 487 "len=%d type=%d\n", 488 p, end, ed->bLength, ed->bDescriptorType)); 489 if (p + ed->bLength <= end && ed->bLength != 0 && 490 ed->bDescriptorType == UDESC_ENDPOINT) 491 goto found; 492 if (ed->bLength == 0 || 493 ed->bDescriptorType == UDESC_INTERFACE) 494 break; 495 } 496 /* passed end, or bad desc */ 497 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 498 ed->bLength == 0 ? "0 length" : 499 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 500 "out of data"); 501 goto bad; 502 found: 503 ifc->endpoints[endpt].edesc = ed; 504 if (dev->speed == USB_SPEED_HIGH) { 505 u_int mps; 506 /* Control and bulk endpoints have max packet 507 limits. */ 508 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 509 case UE_CONTROL: 510 mps = USB_2_MAX_CTRL_PACKET; 511 goto check; 512 case UE_BULK: 513 mps = USB_2_MAX_BULK_PACKET; 514 check: 515 if (UGETW(ed->wMaxPacketSize) != mps) { 516 USETW(ed->wMaxPacketSize, mps); 517 #ifdef DIAGNOSTIC 518 printf("usbd_fill_iface_data: bad max " 519 "packet size\n"); 520 #endif 521 } 522 break; 523 default: 524 break; 525 } 526 } 527 ifc->endpoints[endpt].refcnt = 0; 528 p += ed->bLength; 529 } 530 #undef ed 531 LIST_INIT(&ifc->pipes); 532 return (USBD_NORMAL_COMPLETION); 533 534 bad: 535 if (ifc->endpoints != NULL) { 536 free(ifc->endpoints, M_USB); 537 ifc->endpoints = NULL; 538 } 539 return (USBD_INVAL); 540 } 541 542 void 543 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 544 { 545 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 546 if (ifc->endpoints) 547 free(ifc->endpoints, M_USB); 548 } 549 550 Static usbd_status 551 usbd_set_config(usbd_device_handle dev, int conf) 552 { 553 usb_device_request_t req; 554 555 req.bmRequestType = UT_WRITE_DEVICE; 556 req.bRequest = UR_SET_CONFIG; 557 USETW(req.wValue, conf); 558 USETW(req.wIndex, 0); 559 USETW(req.wLength, 0); 560 return (usbd_do_request(dev, &req, 0)); 561 } 562 563 usbd_status 564 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 565 { 566 int index; 567 usb_config_descriptor_t cd; 568 usbd_status err; 569 570 if (no == USB_UNCONFIG_NO) 571 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 572 573 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 574 /* Figure out what config index to use. */ 575 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 576 err = usbd_get_config_desc(dev, index, &cd); 577 if (err) 578 return (err); 579 if (cd.bConfigurationValue == no) 580 return (usbd_set_config_index(dev, index, msg)); 581 } 582 return (USBD_INVAL); 583 } 584 585 usbd_status 586 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 587 { 588 usb_status_t ds; 589 usb_config_descriptor_t cd, *cdp; 590 usbd_status err; 591 int i, ifcidx, nifc, len, selfpowered, power; 592 593 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 594 595 /* XXX check that all interfaces are idle */ 596 if (dev->config != USB_UNCONFIG_NO) { 597 DPRINTF(("usbd_set_config_index: free old config\n")); 598 /* Free all configuration data structures. */ 599 nifc = dev->cdesc->bNumInterface; 600 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 601 usbd_free_iface_data(dev, ifcidx); 602 free(dev->ifaces, M_USB); 603 free(dev->cdesc, M_USB); 604 dev->ifaces = NULL; 605 dev->cdesc = NULL; 606 dev->config = USB_UNCONFIG_NO; 607 } 608 609 if (index == USB_UNCONFIG_INDEX) { 610 /* We are unconfiguring the device, so leave unallocated. */ 611 DPRINTF(("usbd_set_config_index: set config 0\n")); 612 err = usbd_set_config(dev, USB_UNCONFIG_NO); 613 if (err) 614 DPRINTF(("usbd_set_config_index: setting config=0 " 615 "failed, error=%s\n", usbd_errstr(err))); 616 return (err); 617 } 618 619 /* Get the short descriptor. */ 620 err = usbd_get_config_desc(dev, index, &cd); 621 if (err) 622 return (err); 623 len = UGETW(cd.wTotalLength); 624 cdp = malloc(len, M_USB, M_NOWAIT); 625 if (cdp == NULL) 626 return (USBD_NOMEM); 627 /* Get the full descriptor. */ 628 for (i = 0; i < 3; i++) { 629 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 630 if (!err) 631 break; 632 usbd_delay_ms(dev, 200); 633 } 634 if (err) 635 goto bad; 636 637 if (cdp->bDescriptorType != UDESC_CONFIG) { 638 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 639 cdp->bDescriptorType)); 640 err = USBD_INVAL; 641 goto bad; 642 } 643 644 /* Figure out if the device is self or bus powered. */ 645 selfpowered = 0; 646 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 647 (cdp->bmAttributes & UC_SELF_POWERED)) { 648 /* May be self powered. */ 649 if (cdp->bmAttributes & UC_BUS_POWERED) { 650 /* Must ask device. */ 651 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 652 /* 653 * Hub claims to be self powered, but isn't. 654 * It seems that the power status can be 655 * determined by the hub characteristics. 656 */ 657 usb_hub_descriptor_t hd; 658 usb_device_request_t req; 659 req.bmRequestType = UT_READ_CLASS_DEVICE; 660 req.bRequest = UR_GET_DESCRIPTOR; 661 USETW(req.wValue, 0); 662 USETW(req.wIndex, 0); 663 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 664 err = usbd_do_request(dev, &req, &hd); 665 if (!err && 666 (UGETW(hd.wHubCharacteristics) & 667 UHD_PWR_INDIVIDUAL)) 668 selfpowered = 1; 669 DPRINTF(("usbd_set_config_index: charac=0x%04x" 670 ", error=%s\n", 671 UGETW(hd.wHubCharacteristics), 672 usbd_errstr(err))); 673 } else { 674 err = usbd_get_device_status(dev, &ds); 675 if (!err && 676 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 677 selfpowered = 1; 678 DPRINTF(("usbd_set_config_index: status=0x%04x" 679 ", error=%s\n", 680 UGETW(ds.wStatus), usbd_errstr(err))); 681 } 682 } else 683 selfpowered = 1; 684 } 685 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 686 "selfpowered=%d, power=%d\n", 687 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 688 selfpowered, cdp->bMaxPower * 2)); 689 690 /* Check if we have enough power. */ 691 #ifdef USB_DEBUG 692 if (dev->powersrc == NULL) { 693 DPRINTF(("usbd_set_config_index: No power source?\n")); 694 return (USBD_IOERROR); 695 } 696 #endif 697 power = cdp->bMaxPower * 2; 698 if (power > dev->powersrc->power) { 699 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 700 /* XXX print nicer message. */ 701 if (msg) 702 printf("%s: device addr %d (config %d) exceeds power " 703 "budget, %d mA > %d mA\n", 704 USBDEVNAME(dev->bus->bdev), dev->address, 705 cdp->bConfigurationValue, 706 power, dev->powersrc->power); 707 err = USBD_NO_POWER; 708 goto bad; 709 } 710 dev->power = power; 711 dev->self_powered = selfpowered; 712 713 /* Set the actual configuration value. */ 714 DPRINTF(("usbd_set_config_index: set config %d\n", 715 cdp->bConfigurationValue)); 716 err = usbd_set_config(dev, cdp->bConfigurationValue); 717 if (err) { 718 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 719 "error=%s\n", 720 cdp->bConfigurationValue, usbd_errstr(err))); 721 goto bad; 722 } 723 724 /* Allocate and fill interface data. */ 725 nifc = cdp->bNumInterface; 726 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 727 M_USB, M_NOWAIT); 728 if (dev->ifaces == NULL) { 729 err = USBD_NOMEM; 730 goto bad; 731 } 732 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 733 dev->cdesc = cdp; 734 dev->config = cdp->bConfigurationValue; 735 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 736 err = usbd_fill_iface_data(dev, ifcidx, 0); 737 if (err) { 738 while (--ifcidx >= 0) 739 usbd_free_iface_data(dev, ifcidx); 740 goto bad; 741 } 742 } 743 744 return (USBD_NORMAL_COMPLETION); 745 746 bad: 747 free(cdp, M_USB); 748 return (err); 749 } 750 751 /* XXX add function for alternate settings */ 752 753 usbd_status 754 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 755 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 756 { 757 usbd_pipe_handle p; 758 usbd_status err; 759 760 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 761 dev, iface, ep, pipe)); 762 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 763 if (p == NULL) 764 return (USBD_NOMEM); 765 p->device = dev; 766 p->iface = iface; 767 p->endpoint = ep; 768 ep->refcnt++; 769 p->refcnt = 1; 770 p->intrxfer = 0; 771 p->running = 0; 772 p->aborting = 0; 773 p->repeat = 0; 774 p->interval = ival; 775 SIMPLEQ_INIT(&p->queue); 776 err = dev->bus->methods->open_pipe(p); 777 if (err) { 778 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 779 "%s\n", 780 ep->edesc->bEndpointAddress, usbd_errstr(err))); 781 free(p, M_USB); 782 return (err); 783 } 784 /* Clear any stall and make sure DATA0 toggle will be used next. */ 785 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) 786 usbd_clear_endpoint_stall(p); 787 *pipe = p; 788 return (USBD_NORMAL_COMPLETION); 789 } 790 791 /* Abort the device control pipe. */ 792 void 793 usbd_kill_pipe(usbd_pipe_handle pipe) 794 { 795 usbd_abort_pipe(pipe); 796 pipe->methods->close(pipe); 797 pipe->endpoint->refcnt--; 798 free(pipe, M_USB); 799 } 800 801 int 802 usbd_getnewaddr(usbd_bus_handle bus) 803 { 804 int addr; 805 806 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 807 if (bus->devices[addr] == 0) 808 return (addr); 809 return (-1); 810 } 811 812 813 usbd_status 814 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 815 int port, int addr) 816 { 817 struct usb_attach_arg uaa; 818 usb_device_descriptor_t *dd = &dev->ddesc; 819 int found, i, confi, nifaces; 820 usbd_status err; 821 device_ptr_t dv; 822 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 823 824 #if defined(__FreeBSD__) 825 /* 826 * XXX uaa is a static var. Not a problem as it _should_ be used only 827 * during probe and attach. Should be changed however. 828 */ 829 device_t bdev; 830 bdev = device_add_child(parent, NULL, -1, &uaa); 831 if (!bdev) { 832 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 833 return (USBD_INVAL); 834 } 835 device_quiet(bdev); 836 #endif 837 838 uaa.device = dev; 839 uaa.iface = NULL; 840 uaa.ifaces = NULL; 841 uaa.nifaces = 0; 842 uaa.usegeneric = 0; 843 uaa.port = port; 844 uaa.configno = UHUB_UNK_CONFIGURATION; 845 uaa.ifaceno = UHUB_UNK_INTERFACE; 846 uaa.vendor = UGETW(dd->idVendor); 847 uaa.product = UGETW(dd->idProduct); 848 uaa.release = UGETW(dd->bcdDevice); 849 850 /* First try with device specific drivers. */ 851 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 852 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 853 if (dv) { 854 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 855 if (dev->subdevs == NULL) 856 return (USBD_NOMEM); 857 dev->subdevs[0] = dv; 858 dev->subdevs[1] = 0; 859 return (USBD_NORMAL_COMPLETION); 860 } 861 862 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 863 864 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 865 dd->bNumConfigurations)); 866 /* Next try with interface drivers. */ 867 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 868 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 869 confi)); 870 err = usbd_set_config_index(dev, confi, 1); 871 if (err) { 872 #ifdef USB_DEBUG 873 DPRINTF(("%s: port %d, set config at addr %d failed, " 874 "error=%s\n", USBDEVPTRNAME(parent), port, 875 addr, usbd_errstr(err))); 876 #else 877 printf("%s: port %d, set config at addr %d failed\n", 878 USBDEVPTRNAME(parent), port, addr); 879 #endif 880 #if defined(__FreeBSD__) 881 device_delete_child(parent, bdev); 882 #endif 883 884 return (err); 885 } 886 nifaces = dev->cdesc->bNumInterface; 887 uaa.configno = dev->cdesc->bConfigurationValue; 888 for (i = 0; i < nifaces; i++) 889 ifaces[i] = &dev->ifaces[i]; 890 uaa.ifaces = ifaces; 891 uaa.nifaces = nifaces; 892 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 893 if (dev->subdevs == NULL) { 894 #if defined(__FreeBSD__) 895 device_delete_child(parent, bdev); 896 #endif 897 return (USBD_NOMEM); 898 } 899 900 found = 0; 901 for (i = 0; i < nifaces; i++) { 902 if (ifaces[i] == NULL) 903 continue; /* interface already claimed */ 904 uaa.iface = ifaces[i]; 905 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 906 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 907 usbd_submatch); 908 if (dv != NULL) { 909 dev->subdevs[found++] = dv; 910 dev->subdevs[found] = 0; 911 ifaces[i] = 0; /* consumed */ 912 913 #if defined(__FreeBSD__) 914 /* create another child for the next iface */ 915 bdev = device_add_child(parent, NULL, -1,&uaa); 916 if (!bdev) { 917 printf("%s: Device creation failed\n", 918 USBDEVNAME(dev->bus->bdev)); 919 return (USBD_NORMAL_COMPLETION); 920 } 921 device_quiet(bdev); 922 #endif 923 } 924 } 925 if (found != 0) { 926 #if defined(__FreeBSD__) 927 /* remove the last created child again; it is unused */ 928 device_delete_child(parent, bdev); 929 #endif 930 return (USBD_NORMAL_COMPLETION); 931 } 932 free(dev->subdevs, M_USB); 933 dev->subdevs = 0; 934 } 935 /* No interfaces were attached in any of the configurations. */ 936 937 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 938 usbd_set_config_index(dev, 0, 0); 939 940 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 941 942 /* Finally try the generic driver. */ 943 uaa.iface = NULL; 944 uaa.usegeneric = 1; 945 uaa.configno = UHUB_UNK_CONFIGURATION; 946 uaa.ifaceno = UHUB_UNK_INTERFACE; 947 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 948 if (dv != NULL) { 949 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 950 if (dev->subdevs == 0) 951 return (USBD_NOMEM); 952 dev->subdevs[0] = dv; 953 dev->subdevs[1] = 0; 954 return (USBD_NORMAL_COMPLETION); 955 } 956 957 /* 958 * The generic attach failed, but leave the device as it is. 959 * We just did not find any drivers, that's all. The device is 960 * fully operational and not harming anyone. 961 */ 962 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 963 #if defined(__FreeBSD__) 964 device_delete_child(parent, bdev); 965 #endif 966 return (USBD_NORMAL_COMPLETION); 967 } 968 969 970 /* 971 * Called when a new device has been put in the powered state, 972 * but not yet in the addressed state. 973 * Get initial descriptor, set the address, get full descriptor, 974 * and attach a driver. 975 */ 976 usbd_status 977 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 978 int speed, int port, struct usbd_port *up) 979 { 980 usbd_device_handle dev; 981 struct usbd_device *hub; 982 usb_device_descriptor_t *dd; 983 usbd_status err; 984 int addr; 985 int i; 986 987 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 988 bus, port, depth, speed)); 989 addr = usbd_getnewaddr(bus); 990 if (addr < 0) { 991 printf("%s: No free USB addresses, new device ignored.\n", 992 USBDEVNAME(bus->bdev)); 993 return (USBD_NO_ADDR); 994 } 995 996 dev = malloc(sizeof *dev, M_USB, M_NOWAIT); 997 if (dev == NULL) 998 return (USBD_NOMEM); 999 memset(dev, 0, sizeof *dev); 1000 1001 dev->bus = bus; 1002 1003 /* Set up default endpoint handle. */ 1004 dev->def_ep.edesc = &dev->def_ep_desc; 1005 1006 /* Set up default endpoint descriptor. */ 1007 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1008 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1009 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1010 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1011 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1012 dev->def_ep_desc.bInterval = 0; 1013 1014 dev->quirks = &usbd_no_quirk; 1015 dev->address = USB_START_ADDR; 1016 dev->ddesc.bMaxPacketSize = 0; 1017 dev->depth = depth; 1018 dev->powersrc = up; 1019 dev->myhub = up->parent; 1020 for (hub = up->parent; 1021 hub != NULL && hub->speed != USB_SPEED_HIGH; 1022 hub = hub->myhub) 1023 ; 1024 dev->myhighhub = hub; 1025 dev->speed = speed; 1026 dev->langid = USBD_NOLANG; 1027 dev->cookie.cookie = ++usb_cookie_no; 1028 1029 /* Establish the default pipe. */ 1030 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1031 &dev->default_pipe); 1032 if (err) { 1033 usbd_remove_device(dev, up); 1034 return (err); 1035 } 1036 1037 up->device = dev; 1038 dd = &dev->ddesc; 1039 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1040 for (i = 0; i < 5; i++) { 1041 /* Get the first 8 bytes of the device descriptor. */ 1042 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1043 if (!err) 1044 break; 1045 /* progressively increase the delay */ 1046 usbd_delay_ms(dev, 200 * (i + 1)); 1047 } 1048 if (err) { 1049 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1050 "failed\n", addr)); 1051 usbd_remove_device(dev, up); 1052 return (err); 1053 } 1054 1055 if (speed == USB_SPEED_HIGH) { 1056 /* Max packet size must be 64 (sec 5.5.3). */ 1057 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1058 #ifdef DIAGNOSTIC 1059 printf("usbd_new_device: addr=%d bad max packet size\n", 1060 addr); 1061 #endif 1062 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1063 } 1064 } 1065 1066 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1067 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1068 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1069 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1070 dev->speed)); 1071 1072 if (dd->bDescriptorType != UDESC_DEVICE) { 1073 /* Illegal device descriptor */ 1074 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1075 dd->bDescriptorType)); 1076 usbd_remove_device(dev, up); 1077 return (USBD_INVAL); 1078 } 1079 1080 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1081 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1082 usbd_remove_device(dev, up); 1083 return (USBD_INVAL); 1084 } 1085 1086 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1087 1088 err = usbd_reload_device_desc(dev); 1089 if (err) { 1090 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1091 "failed\n", addr)); 1092 usbd_remove_device(dev, up); 1093 return (err); 1094 } 1095 1096 /* Set the address */ 1097 err = usbd_set_address(dev, addr); 1098 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1099 if (err) { 1100 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1101 err = USBD_SET_ADDR_FAILED; 1102 usbd_remove_device(dev, up); 1103 return (err); 1104 } 1105 /* Allow device time to set new address */ 1106 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1107 1108 dev->address = addr; /* New device address now */ 1109 bus->devices[addr] = dev; 1110 1111 /* Assume 100mA bus powered for now. Changed when configured. */ 1112 dev->power = USB_MIN_POWER; 1113 dev->self_powered = 0; 1114 1115 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1116 addr, dev, parent)); 1117 1118 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1119 1120 err = usbd_probe_and_attach(parent, dev, port, addr); 1121 if (err) { 1122 usbd_remove_device(dev, up); 1123 return (err); 1124 } 1125 1126 return (USBD_NORMAL_COMPLETION); 1127 } 1128 1129 usbd_status 1130 usbd_reload_device_desc(usbd_device_handle dev) 1131 { 1132 usbd_status err; 1133 1134 /* Get the full device descriptor. */ 1135 err = usbd_get_device_desc(dev, &dev->ddesc); 1136 if (err) 1137 return (err); 1138 1139 /* Figure out what's wrong with this device. */ 1140 dev->quirks = usbd_find_quirk(&dev->ddesc); 1141 1142 return (USBD_NORMAL_COMPLETION); 1143 } 1144 1145 void 1146 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1147 { 1148 DPRINTF(("usbd_remove_device: %p\n", dev)); 1149 1150 if (dev->default_pipe != NULL) 1151 usbd_kill_pipe(dev->default_pipe); 1152 up->device = 0; 1153 dev->bus->devices[dev->address] = 0; 1154 1155 free(dev, M_USB); 1156 } 1157 1158 #if defined(__NetBSD__) || defined(__OpenBSD__) 1159 int 1160 usbd_print(void *aux, const char *pnp) 1161 { 1162 struct usb_attach_arg *uaa = aux; 1163 char devinfo[1024]; 1164 1165 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1166 if (pnp) { 1167 if (!uaa->usegeneric) 1168 return (QUIET); 1169 usbd_devinfo(uaa->device, 1, devinfo, sizeof devinfo); 1170 printf("%s, %s", devinfo, pnp); 1171 } 1172 if (uaa->port != 0) 1173 printf(" port %d", uaa->port); 1174 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1175 printf(" configuration %d", uaa->configno); 1176 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1177 printf(" interface %d", uaa->ifaceno); 1178 #if 0 1179 /* 1180 * It gets very crowded with these locators on the attach line. 1181 * They are not really needed since they are printed in the clear 1182 * by each driver. 1183 */ 1184 if (uaa->vendor != UHUB_UNK_VENDOR) 1185 printf(" vendor 0x%04x", uaa->vendor); 1186 if (uaa->product != UHUB_UNK_PRODUCT) 1187 printf(" product 0x%04x", uaa->product); 1188 if (uaa->release != UHUB_UNK_RELEASE) 1189 printf(" release 0x%04x", uaa->release); 1190 #endif 1191 return (UNCONF); 1192 } 1193 1194 #if defined(__NetBSD__) 1195 int 1196 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1197 { 1198 #elif defined(__OpenBSD__) 1199 int 1200 usbd_submatch(struct device *parent, void *match, void *aux) 1201 { 1202 struct cfdata *cf = match; 1203 #endif 1204 struct usb_attach_arg *uaa = aux; 1205 1206 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1207 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1208 uaa->port, cf->uhubcf_port, 1209 uaa->configno, cf->uhubcf_configuration, 1210 uaa->ifaceno, cf->uhubcf_interface, 1211 uaa->vendor, cf->uhubcf_vendor, 1212 uaa->product, cf->uhubcf_product, 1213 uaa->release, cf->uhubcf_release)); 1214 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1215 ((uaa->port != 0 && 1216 cf->uhubcf_port != UHUB_UNK_PORT && 1217 cf->uhubcf_port != uaa->port) || 1218 (uaa->configno != UHUB_UNK_CONFIGURATION && 1219 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1220 cf->uhubcf_configuration != uaa->configno) || 1221 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1222 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1223 cf->uhubcf_interface != uaa->ifaceno) || 1224 (uaa->vendor != UHUB_UNK_VENDOR && 1225 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1226 cf->uhubcf_vendor != uaa->vendor) || 1227 (uaa->product != UHUB_UNK_PRODUCT && 1228 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1229 cf->uhubcf_product != uaa->product) || 1230 (uaa->release != UHUB_UNK_RELEASE && 1231 cf->uhubcf_release != UHUB_UNK_RELEASE && 1232 cf->uhubcf_release != uaa->release) 1233 ) 1234 ) 1235 return 0; 1236 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1237 cf->uhubcf_vendor == uaa->vendor && 1238 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1239 cf->uhubcf_product == uaa->product) { 1240 /* We have a vendor&product locator match */ 1241 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1242 cf->uhubcf_release == uaa->release) 1243 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1244 else 1245 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1246 } else 1247 uaa->matchlvl = 0; 1248 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 1249 } 1250 1251 #endif 1252 1253 void 1254 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1255 int usedev) 1256 { 1257 struct usbd_port *p; 1258 int i, err, s; 1259 1260 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1261 di->udi_addr = dev->address; 1262 di->udi_cookie = dev->cookie; 1263 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1264 usbd_printBCD(di->udi_release, sizeof di->udi_release, 1265 UGETW(dev->ddesc.bcdDevice)); 1266 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1267 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1268 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1269 di->udi_class = dev->ddesc.bDeviceClass; 1270 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1271 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1272 di->udi_config = dev->config; 1273 di->udi_power = dev->self_powered ? 0 : dev->power; 1274 di->udi_speed = dev->speed; 1275 1276 if (dev->subdevs != NULL) { 1277 for (i = 0; dev->subdevs[i] && 1278 i < USB_MAX_DEVNAMES; i++) { 1279 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1280 USB_MAX_DEVNAMELEN); 1281 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1282 } 1283 } else { 1284 i = 0; 1285 } 1286 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1287 di->udi_devnames[i][0] = 0; /* empty */ 1288 1289 if (dev->hub) { 1290 for (i = 0; 1291 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1292 i < dev->hub->hubdesc.bNbrPorts; 1293 i++) { 1294 p = &dev->hub->ports[i]; 1295 if (p->device) 1296 err = p->device->address; 1297 else { 1298 s = UGETW(p->status.wPortStatus); 1299 if (s & UPS_PORT_ENABLED) 1300 err = USB_PORT_ENABLED; 1301 else if (s & UPS_SUSPEND) 1302 err = USB_PORT_SUSPENDED; 1303 else if (s & UPS_PORT_POWER) 1304 err = USB_PORT_POWERED; 1305 else 1306 err = USB_PORT_DISABLED; 1307 } 1308 di->udi_ports[i] = err; 1309 } 1310 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1311 } else 1312 di->udi_nports = 0; 1313 } 1314 1315 void 1316 usb_free_device(usbd_device_handle dev) 1317 { 1318 int ifcidx, nifc; 1319 1320 if (dev->default_pipe != NULL) 1321 usbd_kill_pipe(dev->default_pipe); 1322 if (dev->ifaces != NULL) { 1323 nifc = dev->cdesc->bNumInterface; 1324 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1325 usbd_free_iface_data(dev, ifcidx); 1326 free(dev->ifaces, M_USB); 1327 } 1328 if (dev->cdesc != NULL) 1329 free(dev->cdesc, M_USB); 1330 if (dev->subdevs != NULL) 1331 free(dev->subdevs, M_USB); 1332 free(dev, M_USB); 1333 } 1334 1335 /* 1336 * The general mechanism for detaching drivers works as follows: Each 1337 * driver is responsible for maintaining a reference count on the 1338 * number of outstanding references to its softc (e.g. from 1339 * processing hanging in a read or write). The detach method of the 1340 * driver decrements this counter and flags in the softc that the 1341 * driver is dying and then wakes any sleepers. It then sleeps on the 1342 * softc. Each place that can sleep must maintain the reference 1343 * count. When the reference count drops to -1 (0 is the normal value 1344 * of the reference count) the a wakeup on the softc is performed 1345 * signaling to the detach waiter that all references are gone. 1346 */ 1347 1348 /* 1349 * Called from process context when we discover that a port has 1350 * been disconnected. 1351 */ 1352 void 1353 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1354 { 1355 usbd_device_handle dev = up->device; 1356 char *hubname = USBDEVPTRNAME(parent); 1357 int i; 1358 1359 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1360 up, dev, up->portno)); 1361 1362 #ifdef DIAGNOSTIC 1363 if (dev == NULL) { 1364 printf("usb_disconnect_port: no device\n"); 1365 return; 1366 } 1367 #endif 1368 1369 if (dev->subdevs != NULL) { 1370 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1371 for (i = 0; dev->subdevs[i]; i++) { 1372 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1373 hubname); 1374 if (up->portno != 0) 1375 printf(" port %d", up->portno); 1376 printf(" (addr %d) disconnected\n", dev->address); 1377 config_detach(dev->subdevs[i], DETACH_FORCE); 1378 } 1379 } 1380 1381 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1382 dev->bus->devices[dev->address] = NULL; 1383 up->device = NULL; 1384 usb_free_device(dev); 1385 } 1386 1387 #ifdef __OpenBSD__ 1388 void *usb_realloc(void *p, u_int size, int pool, int flags) 1389 { 1390 void *q; 1391 1392 q = malloc(size, pool, flags); 1393 if (q == NULL) 1394 return (NULL); 1395 bcopy(p, q, size); 1396 free(p, pool); 1397 return (q); 1398 } 1399 #endif 1400