1 /* $NetBSD: usb_subr.c,v 1.116 2004/06/23 06:27:54 mycroft 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 1.116 2004/06/23 06:27:54 mycroft 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 *aux, const char *pnp); 90 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 91 #elif defined(__OpenBSD__) 92 Static int usbd_print(void *aux, const char *pnp); 93 Static int usbd_submatch(device_ptr_t, void *, void *); 94 #endif 95 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 96 Static void usbd_kill_pipe(usbd_pipe_handle); 97 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 98 usbd_device_handle dev, int port, int addr); 99 100 Static u_int32_t usb_cookie_no = 0; 101 102 #ifdef USBVERBOSE 103 typedef u_int16_t usb_vendor_id_t; 104 typedef u_int16_t usb_product_id_t; 105 106 /* 107 * Descriptions of of known vendors and devices ("products"). 108 */ 109 struct usb_knowndev { 110 usb_vendor_id_t vendor; 111 usb_product_id_t product; 112 int flags; 113 char *vendorname, *productname; 114 }; 115 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 116 117 #include <dev/usb/usbdevs_data.h> 118 #endif /* USBVERBOSE */ 119 120 Static const char * const usbd_error_strs[] = { 121 "NORMAL_COMPLETION", 122 "IN_PROGRESS", 123 "PENDING_REQUESTS", 124 "NOT_STARTED", 125 "INVAL", 126 "NOMEM", 127 "CANCELLED", 128 "BAD_ADDRESS", 129 "IN_USE", 130 "NO_ADDR", 131 "SET_ADDR_FAILED", 132 "NO_POWER", 133 "TOO_DEEP", 134 "IOERROR", 135 "NOT_CONFIGURED", 136 "TIMEOUT", 137 "SHORT_XFER", 138 "STALLED", 139 "INTERRUPTED", 140 "XXX", 141 }; 142 143 const char * 144 usbd_errstr(usbd_status err) 145 { 146 static char buffer[5]; 147 148 if (err < USBD_ERROR_MAX) { 149 return usbd_error_strs[err]; 150 } else { 151 snprintf(buffer, sizeof buffer, "%d", err); 152 return buffer; 153 } 154 } 155 156 usbd_status 157 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 158 usb_string_descriptor_t *sdesc, int *sizep) 159 { 160 usb_device_request_t req; 161 usbd_status err; 162 int actlen; 163 164 req.bmRequestType = UT_READ_DEVICE; 165 req.bRequest = UR_GET_DESCRIPTOR; 166 USETW2(req.wValue, UDESC_STRING, sindex); 167 USETW(req.wIndex, langid); 168 USETW(req.wLength, 2); /* only size byte first */ 169 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 170 &actlen, USBD_DEFAULT_TIMEOUT); 171 if (err) 172 return (err); 173 174 if (actlen < 2) 175 return (USBD_SHORT_XFER); 176 177 USETW(req.wLength, sdesc->bLength); /* the whole string */ 178 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 179 &actlen, USBD_DEFAULT_TIMEOUT); 180 if (err) 181 return (err); 182 183 if (actlen != sdesc->bLength) { 184 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 185 sdesc->bLength, actlen)); 186 } 187 188 *sizep = actlen; 189 return (USBD_NORMAL_COMPLETION); 190 } 191 192 char * 193 usbd_get_string(usbd_device_handle dev, int si, char *buf) 194 { 195 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 196 usb_string_descriptor_t us; 197 char *s; 198 int i, n; 199 u_int16_t c; 200 usbd_status err; 201 int size; 202 203 if (si == 0) 204 return (0); 205 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 206 return (0); 207 if (dev->langid == USBD_NOLANG) { 208 /* Set up default language */ 209 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us, 210 &size); 211 if (err || size < 4) { 212 dev->langid = 0; /* Well, just pick something then */ 213 } else { 214 /* Pick the first language as the default. */ 215 dev->langid = UGETW(us.bString[0]); 216 } 217 } 218 err = usbd_get_string_desc(dev, si, dev->langid, &us, &size); 219 if (err) 220 return (0); 221 s = buf; 222 n = size / 2 - 1; 223 for (i = 0; i < n; i++) { 224 c = UGETW(us.bString[i]); 225 /* Convert from Unicode, handle buggy strings. */ 226 if ((c & 0xff00) == 0) 227 *s++ = c; 228 else if ((c & 0x00ff) == 0 && swap) 229 *s++ = c >> 8; 230 else 231 *s++ = '?'; 232 } 233 *s++ = 0; 234 return (buf); 235 } 236 237 static void 238 usbd_trim_spaces(char *p) 239 { 240 char *q, *e; 241 242 if (p == NULL) 243 return; 244 q = e = p; 245 while (*q == ' ') /* skip leading spaces */ 246 q++; 247 while ((*p = *q++)) /* copy string */ 248 if (*p++ != ' ') /* remember last non-space */ 249 e = p; 250 *e = 0; /* kill trailing spaces */ 251 } 252 253 void 254 usbd_devinfo_vp(usbd_device_handle dev, char *v, size_t lv, char *p, size_t lp, 255 int usedev) 256 { 257 usb_device_descriptor_t *udd = &dev->ddesc; 258 char *vendor = NULL, *product = NULL; 259 #ifdef USBVERBOSE 260 const struct usb_knowndev *kdp; 261 #endif 262 263 if (dev == NULL) { 264 v[0] = p[0] = '\0'; 265 return; 266 } 267 268 if (usedev) { 269 vendor = usbd_get_string(dev, udd->iManufacturer, v); 270 usbd_trim_spaces(vendor); 271 product = usbd_get_string(dev, udd->iProduct, p); 272 usbd_trim_spaces(product); 273 if (vendor && !*vendor) 274 vendor = NULL; 275 if (product && !*product) 276 product = NULL; 277 } else { 278 vendor = NULL; 279 product = NULL; 280 } 281 #ifdef USBVERBOSE 282 if (vendor == NULL || product == NULL) { 283 for(kdp = usb_knowndevs; 284 kdp->vendorname != NULL; 285 kdp++) { 286 if (kdp->vendor == UGETW(udd->idVendor) && 287 (kdp->product == UGETW(udd->idProduct) || 288 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 289 break; 290 } 291 if (kdp->vendorname != NULL) { 292 if (vendor == NULL) 293 vendor = kdp->vendorname; 294 if (product == NULL) 295 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 296 kdp->productname : NULL; 297 } 298 } 299 #endif 300 if (vendor != NULL && *vendor) 301 strlcpy(v, vendor, lv); 302 else 303 snprintf(v, lv, "vendor 0x%04x", UGETW(udd->idVendor)); 304 if (product != NULL && *product) 305 strlcpy(p, product, lp); 306 else 307 snprintf(p, lp, "product 0x%04x", UGETW(udd->idProduct)); 308 } 309 310 int 311 usbd_printBCD(char *cp, size_t l, int bcd) 312 { 313 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 314 } 315 316 void 317 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 318 { 319 usb_device_descriptor_t *udd = &dev->ddesc; 320 char vendor[USB_MAX_STRING_LEN]; 321 char product[USB_MAX_STRING_LEN]; 322 int bcdDevice, bcdUSB; 323 char *ep; 324 325 ep = cp + l; 326 327 usbd_devinfo_vp(dev, vendor, sizeof(vendor), product, 328 sizeof(product), 1); 329 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 330 if (showclass) 331 cp += snprintf(cp, ep - cp, ", class %d/%d", 332 udd->bDeviceClass, udd->bDeviceSubClass); 333 bcdUSB = UGETW(udd->bcdUSB); 334 bcdDevice = UGETW(udd->bcdDevice); 335 cp += snprintf(cp, ep - cp, ", rev "); 336 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 337 *cp++ = '/'; 338 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 339 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 340 *cp = 0; 341 } 342 343 /* Delay for a certain number of ms */ 344 void 345 usb_delay_ms(usbd_bus_handle bus, u_int ms) 346 { 347 /* Wait at least two clock ticks so we know the time has passed. */ 348 if (bus->use_polling || cold) 349 delay((ms+1) * 1000); 350 else 351 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 352 } 353 354 /* Delay given a device handle. */ 355 void 356 usbd_delay_ms(usbd_device_handle dev, u_int ms) 357 { 358 usb_delay_ms(dev->bus, ms); 359 } 360 361 usbd_status 362 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 363 { 364 usb_device_request_t req; 365 usbd_status err; 366 int n; 367 368 req.bmRequestType = UT_WRITE_CLASS_OTHER; 369 req.bRequest = UR_SET_FEATURE; 370 USETW(req.wValue, UHF_PORT_RESET); 371 USETW(req.wIndex, port); 372 USETW(req.wLength, 0); 373 err = usbd_do_request(dev, &req, 0); 374 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 375 port, usbd_errstr(err))); 376 if (err) 377 return (err); 378 n = 10; 379 do { 380 /* Wait for device to recover from reset. */ 381 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 382 err = usbd_get_port_status(dev, port, ps); 383 if (err) { 384 DPRINTF(("usbd_reset_port: get status failed %d\n", 385 err)); 386 return (err); 387 } 388 /* If the device disappeared, just give up. */ 389 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 390 return (USBD_NORMAL_COMPLETION); 391 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 392 if (n == 0) 393 return (USBD_TIMEOUT); 394 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 395 #ifdef USB_DEBUG 396 if (err) 397 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 398 err)); 399 #endif 400 401 /* Wait for the device to recover from reset. */ 402 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 403 return (err); 404 } 405 406 usb_interface_descriptor_t * 407 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 408 { 409 char *p = (char *)cd; 410 char *end = p + UGETW(cd->wTotalLength); 411 usb_interface_descriptor_t *d; 412 int curidx, lastidx, curaidx = 0; 413 414 for (curidx = lastidx = -1; p < end; ) { 415 d = (usb_interface_descriptor_t *)p; 416 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 417 "type=%d\n", 418 ifaceidx, curidx, altidx, curaidx, 419 d->bLength, d->bDescriptorType)); 420 if (d->bLength == 0) /* bad descriptor */ 421 break; 422 p += d->bLength; 423 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 424 if (d->bInterfaceNumber != lastidx) { 425 lastidx = d->bInterfaceNumber; 426 curidx++; 427 curaidx = 0; 428 } else 429 curaidx++; 430 if (ifaceidx == curidx && altidx == curaidx) 431 return (d); 432 } 433 } 434 return (NULL); 435 } 436 437 usb_endpoint_descriptor_t * 438 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 439 int endptidx) 440 { 441 char *p = (char *)cd; 442 char *end = p + UGETW(cd->wTotalLength); 443 usb_interface_descriptor_t *d; 444 usb_endpoint_descriptor_t *e; 445 int curidx; 446 447 d = usbd_find_idesc(cd, ifaceidx, altidx); 448 if (d == NULL) 449 return (NULL); 450 if (endptidx >= d->bNumEndpoints) /* quick exit */ 451 return (NULL); 452 453 curidx = -1; 454 for (p = (char *)d + d->bLength; p < end; ) { 455 e = (usb_endpoint_descriptor_t *)p; 456 if (e->bLength == 0) /* bad descriptor */ 457 break; 458 p += e->bLength; 459 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 460 return (NULL); 461 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 462 curidx++; 463 if (curidx == endptidx) 464 return (e); 465 } 466 } 467 return (NULL); 468 } 469 470 usbd_status 471 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 472 { 473 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 474 usb_interface_descriptor_t *idesc; 475 char *p, *end; 476 int endpt, nendpt; 477 478 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 479 ifaceidx, altidx)); 480 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 481 if (idesc == NULL) 482 return (USBD_INVAL); 483 ifc->device = dev; 484 ifc->idesc = idesc; 485 ifc->index = ifaceidx; 486 ifc->altindex = altidx; 487 nendpt = ifc->idesc->bNumEndpoints; 488 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 489 if (nendpt != 0) { 490 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 491 M_USB, M_NOWAIT); 492 if (ifc->endpoints == NULL) 493 return (USBD_NOMEM); 494 } else 495 ifc->endpoints = NULL; 496 ifc->priv = NULL; 497 p = (char *)ifc->idesc + ifc->idesc->bLength; 498 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 499 #define ed ((usb_endpoint_descriptor_t *)p) 500 for (endpt = 0; endpt < nendpt; endpt++) { 501 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 502 for (; p < end; p += ed->bLength) { 503 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 504 "len=%d type=%d\n", 505 p, end, ed->bLength, ed->bDescriptorType)); 506 if (p + ed->bLength <= end && ed->bLength != 0 && 507 ed->bDescriptorType == UDESC_ENDPOINT) 508 goto found; 509 if (ed->bLength == 0 || 510 ed->bDescriptorType == UDESC_INTERFACE) 511 break; 512 } 513 /* passed end, or bad desc */ 514 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 515 ed->bLength == 0 ? "0 length" : 516 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 517 "out of data"); 518 goto bad; 519 found: 520 ifc->endpoints[endpt].edesc = ed; 521 if (dev->speed == USB_SPEED_HIGH) { 522 u_int mps; 523 /* Control and bulk endpoints have max packet limits. */ 524 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 525 case UE_CONTROL: 526 mps = USB_2_MAX_CTRL_PACKET; 527 goto check; 528 case UE_BULK: 529 mps = USB_2_MAX_BULK_PACKET; 530 check: 531 if (UGETW(ed->wMaxPacketSize) != mps) { 532 USETW(ed->wMaxPacketSize, mps); 533 #ifdef DIAGNOSTIC 534 printf("usbd_fill_iface_data: bad max " 535 "packet size\n"); 536 #endif 537 } 538 break; 539 default: 540 break; 541 } 542 } 543 ifc->endpoints[endpt].refcnt = 0; 544 p += ed->bLength; 545 } 546 #undef ed 547 LIST_INIT(&ifc->pipes); 548 return (USBD_NORMAL_COMPLETION); 549 550 bad: 551 if (ifc->endpoints != NULL) { 552 free(ifc->endpoints, M_USB); 553 ifc->endpoints = NULL; 554 } 555 return (USBD_INVAL); 556 } 557 558 void 559 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 560 { 561 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 562 if (ifc->endpoints) 563 free(ifc->endpoints, M_USB); 564 } 565 566 Static usbd_status 567 usbd_set_config(usbd_device_handle dev, int conf) 568 { 569 usb_device_request_t req; 570 571 req.bmRequestType = UT_WRITE_DEVICE; 572 req.bRequest = UR_SET_CONFIG; 573 USETW(req.wValue, conf); 574 USETW(req.wIndex, 0); 575 USETW(req.wLength, 0); 576 return (usbd_do_request(dev, &req, 0)); 577 } 578 579 usbd_status 580 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 581 { 582 int index; 583 usb_config_descriptor_t cd; 584 usbd_status err; 585 586 if (no == USB_UNCONFIG_NO) 587 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 588 589 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 590 /* Figure out what config index to use. */ 591 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 592 err = usbd_get_config_desc(dev, index, &cd); 593 if (err) 594 return (err); 595 if (cd.bConfigurationValue == no) 596 return (usbd_set_config_index(dev, index, msg)); 597 } 598 return (USBD_INVAL); 599 } 600 601 usbd_status 602 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 603 { 604 usb_status_t ds; 605 usb_config_descriptor_t cd, *cdp; 606 usbd_status err; 607 int i, ifcidx, nifc, len, selfpowered, power; 608 609 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 610 611 /* XXX check that all interfaces are idle */ 612 if (dev->config != USB_UNCONFIG_NO) { 613 DPRINTF(("usbd_set_config_index: free old config\n")); 614 /* Free all configuration data structures. */ 615 nifc = dev->cdesc->bNumInterface; 616 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 617 usbd_free_iface_data(dev, ifcidx); 618 free(dev->ifaces, M_USB); 619 free(dev->cdesc, M_USB); 620 dev->ifaces = NULL; 621 dev->cdesc = NULL; 622 dev->config = USB_UNCONFIG_NO; 623 } 624 625 if (index == USB_UNCONFIG_INDEX) { 626 /* We are unconfiguring the device, so leave unallocated. */ 627 DPRINTF(("usbd_set_config_index: set config 0\n")); 628 err = usbd_set_config(dev, USB_UNCONFIG_NO); 629 if (err) 630 DPRINTF(("usbd_set_config_index: setting config=0 " 631 "failed, error=%s\n", usbd_errstr(err))); 632 return (err); 633 } 634 635 /* Get the short descriptor. */ 636 err = usbd_get_config_desc(dev, index, &cd); 637 if (err) 638 return (err); 639 len = UGETW(cd.wTotalLength); 640 cdp = malloc(len, M_USB, M_NOWAIT); 641 if (cdp == NULL) 642 return (USBD_NOMEM); 643 644 /* Get the full descriptor. Try a few times for slow devices. */ 645 for (i = 0; i < 3; i++) { 646 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 647 if (!err) 648 break; 649 usbd_delay_ms(dev, 200); 650 } 651 if (err) 652 goto bad; 653 654 if (cdp->bDescriptorType != UDESC_CONFIG) { 655 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 656 cdp->bDescriptorType)); 657 err = USBD_INVAL; 658 goto bad; 659 } 660 661 /* Figure out if the device is self or bus powered. */ 662 selfpowered = 0; 663 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 664 (cdp->bmAttributes & UC_SELF_POWERED)) { 665 /* May be self powered. */ 666 if (cdp->bmAttributes & UC_BUS_POWERED) { 667 /* Must ask device. */ 668 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 669 /* 670 * Hub claims to be self powered, but isn't. 671 * It seems that the power status can be 672 * determined by the hub characteristics. 673 */ 674 usb_hub_descriptor_t hd; 675 usb_device_request_t req; 676 req.bmRequestType = UT_READ_CLASS_DEVICE; 677 req.bRequest = UR_GET_DESCRIPTOR; 678 USETW(req.wValue, 0); 679 USETW(req.wIndex, 0); 680 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 681 err = usbd_do_request(dev, &req, &hd); 682 if (!err && 683 (UGETW(hd.wHubCharacteristics) & 684 UHD_PWR_INDIVIDUAL)) 685 selfpowered = 1; 686 DPRINTF(("usbd_set_config_index: charac=0x%04x" 687 ", error=%s\n", 688 UGETW(hd.wHubCharacteristics), 689 usbd_errstr(err))); 690 } else { 691 err = usbd_get_device_status(dev, &ds); 692 if (!err && 693 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 694 selfpowered = 1; 695 DPRINTF(("usbd_set_config_index: status=0x%04x" 696 ", error=%s\n", 697 UGETW(ds.wStatus), usbd_errstr(err))); 698 } 699 } else 700 selfpowered = 1; 701 } 702 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 703 "selfpowered=%d, power=%d\n", 704 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 705 selfpowered, cdp->bMaxPower * 2)); 706 707 /* Check if we have enough power. */ 708 #ifdef USB_DEBUG 709 if (dev->powersrc == NULL) { 710 DPRINTF(("usbd_set_config_index: No power source?\n")); 711 return (USBD_IOERROR); 712 } 713 #endif 714 power = cdp->bMaxPower * 2; 715 if (power > dev->powersrc->power) { 716 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 717 /* XXX print nicer message. */ 718 if (msg) 719 printf("%s: device addr %d (config %d) exceeds power " 720 "budget, %d mA > %d mA\n", 721 USBDEVNAME(dev->bus->bdev), dev->address, 722 cdp->bConfigurationValue, 723 power, dev->powersrc->power); 724 err = USBD_NO_POWER; 725 goto bad; 726 } 727 dev->power = power; 728 dev->self_powered = selfpowered; 729 730 /* Set the actual configuration value. */ 731 DPRINTF(("usbd_set_config_index: set config %d\n", 732 cdp->bConfigurationValue)); 733 err = usbd_set_config(dev, cdp->bConfigurationValue); 734 if (err) { 735 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 736 "error=%s\n", 737 cdp->bConfigurationValue, usbd_errstr(err))); 738 goto bad; 739 } 740 741 /* Allocate and fill interface data. */ 742 nifc = cdp->bNumInterface; 743 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 744 M_USB, M_NOWAIT); 745 if (dev->ifaces == NULL) { 746 err = USBD_NOMEM; 747 goto bad; 748 } 749 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 750 dev->cdesc = cdp; 751 dev->config = cdp->bConfigurationValue; 752 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 753 err = usbd_fill_iface_data(dev, ifcidx, 0); 754 if (err) { 755 while (--ifcidx >= 0) 756 usbd_free_iface_data(dev, ifcidx); 757 goto bad; 758 } 759 } 760 761 return (USBD_NORMAL_COMPLETION); 762 763 bad: 764 free(cdp, M_USB); 765 return (err); 766 } 767 768 /* XXX add function for alternate settings */ 769 770 usbd_status 771 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 772 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 773 { 774 usbd_pipe_handle p; 775 usbd_status err; 776 777 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 778 dev, iface, ep, pipe)); 779 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 780 if (p == NULL) 781 return (USBD_NOMEM); 782 p->device = dev; 783 p->iface = iface; 784 p->endpoint = ep; 785 ep->refcnt++; 786 p->refcnt = 1; 787 p->intrxfer = 0; 788 p->running = 0; 789 p->aborting = 0; 790 p->repeat = 0; 791 p->interval = ival; 792 SIMPLEQ_INIT(&p->queue); 793 err = dev->bus->methods->open_pipe(p); 794 if (err) { 795 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 796 "%s\n", 797 ep->edesc->bEndpointAddress, usbd_errstr(err))); 798 free(p, M_USB); 799 return (err); 800 } 801 /* Clear any stall and make sure DATA0 toggle will be used next. */ 802 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) { 803 err = usbd_clear_endpoint_stall(p); 804 /* Some devices reject this command, so ignore a STALL. */ 805 if (err && err != USBD_STALLED) { 806 printf("usbd_setup_pipe: failed to start endpoint, %s\n", usbd_errstr(err)); 807 return (err); 808 } 809 } 810 *pipe = p; 811 return (USBD_NORMAL_COMPLETION); 812 } 813 814 /* Abort the device control pipe. */ 815 void 816 usbd_kill_pipe(usbd_pipe_handle pipe) 817 { 818 usbd_abort_pipe(pipe); 819 pipe->methods->close(pipe); 820 pipe->endpoint->refcnt--; 821 free(pipe, M_USB); 822 } 823 824 int 825 usbd_getnewaddr(usbd_bus_handle bus) 826 { 827 int addr; 828 829 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 830 if (bus->devices[addr] == 0) 831 return (addr); 832 return (-1); 833 } 834 835 836 usbd_status 837 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 838 int port, int addr) 839 { 840 struct usb_attach_arg uaa; 841 usb_device_descriptor_t *dd = &dev->ddesc; 842 int found, i, confi, nifaces; 843 usbd_status err; 844 device_ptr_t dv; 845 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 846 847 #if defined(__FreeBSD__) 848 /* 849 * XXX uaa is a static var. Not a problem as it _should_ be used only 850 * during probe and attach. Should be changed however. 851 */ 852 device_t bdev; 853 bdev = device_add_child(parent, NULL, -1, &uaa); 854 if (!bdev) { 855 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 856 return (USBD_INVAL); 857 } 858 device_quiet(bdev); 859 #endif 860 861 uaa.device = dev; 862 uaa.iface = NULL; 863 uaa.ifaces = NULL; 864 uaa.nifaces = 0; 865 uaa.usegeneric = 0; 866 uaa.port = port; 867 uaa.configno = UHUB_UNK_CONFIGURATION; 868 uaa.ifaceno = UHUB_UNK_INTERFACE; 869 uaa.vendor = UGETW(dd->idVendor); 870 uaa.product = UGETW(dd->idProduct); 871 uaa.release = UGETW(dd->bcdDevice); 872 873 /* First try with device specific drivers. */ 874 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 875 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 876 if (dv) { 877 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 878 if (dev->subdevs == NULL) 879 return (USBD_NOMEM); 880 dev->subdevs[0] = dv; 881 dev->subdevs[1] = 0; 882 return (USBD_NORMAL_COMPLETION); 883 } 884 885 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 886 887 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 888 dd->bNumConfigurations)); 889 /* Next try with interface drivers. */ 890 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 891 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 892 confi)); 893 err = usbd_set_config_index(dev, confi, 1); 894 if (err) { 895 #ifdef USB_DEBUG 896 DPRINTF(("%s: port %d, set config at addr %d failed, " 897 "error=%s\n", USBDEVPTRNAME(parent), port, 898 addr, usbd_errstr(err))); 899 #else 900 printf("%s: port %d, set config at addr %d failed\n", 901 USBDEVPTRNAME(parent), port, addr); 902 #endif 903 #if defined(__FreeBSD__) 904 device_delete_child(parent, bdev); 905 #endif 906 907 return (err); 908 } 909 nifaces = dev->cdesc->bNumInterface; 910 uaa.configno = dev->cdesc->bConfigurationValue; 911 for (i = 0; i < nifaces; i++) 912 ifaces[i] = &dev->ifaces[i]; 913 uaa.ifaces = ifaces; 914 uaa.nifaces = nifaces; 915 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 916 if (dev->subdevs == NULL) { 917 #if defined(__FreeBSD__) 918 device_delete_child(parent, bdev); 919 #endif 920 return (USBD_NOMEM); 921 } 922 923 found = 0; 924 for (i = 0; i < nifaces; i++) { 925 if (ifaces[i] == NULL) 926 continue; /* interface already claimed */ 927 uaa.iface = ifaces[i]; 928 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 929 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 930 usbd_submatch); 931 if (dv != NULL) { 932 dev->subdevs[found++] = dv; 933 dev->subdevs[found] = 0; 934 ifaces[i] = 0; /* consumed */ 935 936 #if defined(__FreeBSD__) 937 /* create another child for the next iface */ 938 bdev = device_add_child(parent, NULL, -1,&uaa); 939 if (!bdev) { 940 printf("%s: Device creation failed\n", 941 USBDEVNAME(dev->bus->bdev)); 942 return (USBD_NORMAL_COMPLETION); 943 } 944 device_quiet(bdev); 945 #endif 946 } 947 } 948 if (found != 0) { 949 #if defined(__FreeBSD__) 950 /* remove the last created child again; it is unused */ 951 device_delete_child(parent, bdev); 952 #endif 953 return (USBD_NORMAL_COMPLETION); 954 } 955 free(dev->subdevs, M_USB); 956 dev->subdevs = 0; 957 } 958 /* No interfaces were attached in any of the configurations. */ 959 960 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 961 usbd_set_config_index(dev, 0, 0); 962 963 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 964 965 /* Finally try the generic driver. */ 966 uaa.iface = NULL; 967 uaa.usegeneric = 1; 968 uaa.configno = UHUB_UNK_CONFIGURATION; 969 uaa.ifaceno = UHUB_UNK_INTERFACE; 970 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 971 if (dv != NULL) { 972 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 973 if (dev->subdevs == 0) 974 return (USBD_NOMEM); 975 dev->subdevs[0] = dv; 976 dev->subdevs[1] = 0; 977 return (USBD_NORMAL_COMPLETION); 978 } 979 980 /* 981 * The generic attach failed, but leave the device as it is. 982 * We just did not find any drivers, that's all. The device is 983 * fully operational and not harming anyone. 984 */ 985 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 986 #if defined(__FreeBSD__) 987 device_delete_child(parent, bdev); 988 #endif 989 return (USBD_NORMAL_COMPLETION); 990 } 991 992 993 /* 994 * Called when a new device has been put in the powered state, 995 * but not yet in the addressed state. 996 * Get initial descriptor, set the address, get full descriptor, 997 * and attach a driver. 998 */ 999 usbd_status 1000 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 1001 int speed, int port, struct usbd_port *up) 1002 { 1003 usbd_device_handle dev; 1004 struct usbd_device *hub; 1005 usb_device_descriptor_t *dd; 1006 usb_port_status_t ps; 1007 usbd_status err; 1008 int addr; 1009 int i; 1010 1011 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 1012 bus, port, depth, speed)); 1013 addr = usbd_getnewaddr(bus); 1014 if (addr < 0) { 1015 printf("%s: No free USB addresses, new device ignored.\n", 1016 USBDEVNAME(bus->bdev)); 1017 return (USBD_NO_ADDR); 1018 } 1019 1020 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 1021 if (dev == NULL) 1022 return (USBD_NOMEM); 1023 1024 dev->bus = bus; 1025 1026 /* Set up default endpoint handle. */ 1027 dev->def_ep.edesc = &dev->def_ep_desc; 1028 1029 /* Set up default endpoint descriptor. */ 1030 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1031 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1032 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1033 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1034 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1035 dev->def_ep_desc.bInterval = 0; 1036 1037 dev->quirks = &usbd_no_quirk; 1038 dev->address = USB_START_ADDR; 1039 dev->ddesc.bMaxPacketSize = 0; 1040 dev->depth = depth; 1041 dev->powersrc = up; 1042 dev->myhub = up->parent; 1043 for (hub = up->parent; 1044 hub != NULL && hub->speed != USB_SPEED_HIGH; 1045 hub = hub->myhub) 1046 ; 1047 dev->myhighhub = hub; 1048 dev->speed = speed; 1049 dev->langid = USBD_NOLANG; 1050 dev->cookie.cookie = ++usb_cookie_no; 1051 1052 /* Establish the default pipe. */ 1053 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1054 &dev->default_pipe); 1055 if (err) { 1056 usbd_remove_device(dev, up); 1057 return (err); 1058 } 1059 1060 up->device = dev; 1061 1062 /* Set the address. Do this early; some devices need that. */ 1063 err = usbd_set_address(dev, addr); 1064 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1065 if (err) { 1066 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1067 err = USBD_SET_ADDR_FAILED; 1068 usbd_remove_device(dev, up); 1069 return (err); 1070 } 1071 /* Allow device time to set new address */ 1072 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1073 dev->address = addr; /* New device address now */ 1074 bus->devices[addr] = dev; 1075 1076 dd = &dev->ddesc; 1077 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1078 for (i = 0; i < 10; i++) { 1079 /* Get the first 8 bytes of the device descriptor. */ 1080 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1081 if (!err) 1082 break; 1083 usbd_delay_ms(dev, 200); 1084 if ((i & 3) == 3) 1085 usbd_reset_port(up->parent, port, &ps); 1086 } 1087 if (err) { 1088 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1089 "failed\n", addr)); 1090 usbd_remove_device(dev, up); 1091 return (err); 1092 } 1093 1094 if (speed == USB_SPEED_HIGH) { 1095 /* Max packet size must be 64 (sec 5.5.3). */ 1096 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1097 #ifdef DIAGNOSTIC 1098 printf("usbd_new_device: addr=%d bad max packet size\n", 1099 addr); 1100 #endif 1101 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1102 } 1103 } 1104 1105 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1106 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1107 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1108 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1109 dev->speed)); 1110 1111 if (dd->bDescriptorType != UDESC_DEVICE) { 1112 /* Illegal device descriptor */ 1113 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1114 dd->bDescriptorType)); 1115 usbd_remove_device(dev, up); 1116 return (USBD_INVAL); 1117 } 1118 1119 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1120 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1121 usbd_remove_device(dev, up); 1122 return (USBD_INVAL); 1123 } 1124 1125 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1126 1127 err = usbd_reload_device_desc(dev); 1128 if (err) { 1129 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1130 "failed\n", addr)); 1131 usbd_remove_device(dev, up); 1132 return (err); 1133 } 1134 1135 /* Assume 100mA bus powered for now. Changed when configured. */ 1136 dev->power = USB_MIN_POWER; 1137 dev->self_powered = 0; 1138 1139 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1140 addr, dev, parent)); 1141 1142 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1143 1144 err = usbd_probe_and_attach(parent, dev, port, addr); 1145 if (err) { 1146 usbd_remove_device(dev, up); 1147 return (err); 1148 } 1149 1150 return (USBD_NORMAL_COMPLETION); 1151 } 1152 1153 usbd_status 1154 usbd_reload_device_desc(usbd_device_handle dev) 1155 { 1156 usbd_status err; 1157 1158 /* Get the full device descriptor. */ 1159 err = usbd_get_device_desc(dev, &dev->ddesc); 1160 if (err) 1161 return (err); 1162 1163 /* Figure out what's wrong with this device. */ 1164 dev->quirks = usbd_find_quirk(&dev->ddesc); 1165 1166 return (USBD_NORMAL_COMPLETION); 1167 } 1168 1169 void 1170 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1171 { 1172 DPRINTF(("usbd_remove_device: %p\n", dev)); 1173 1174 if (dev->default_pipe != NULL) 1175 usbd_kill_pipe(dev->default_pipe); 1176 up->device = 0; 1177 dev->bus->devices[dev->address] = 0; 1178 1179 free(dev, M_USB); 1180 } 1181 1182 #if defined(__NetBSD__) || defined(__OpenBSD__) 1183 int 1184 usbd_print(void *aux, const char *pnp) 1185 { 1186 struct usb_attach_arg *uaa = aux; 1187 char devinfo[1024]; 1188 1189 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1190 if (pnp) { 1191 if (!uaa->usegeneric) 1192 return (QUIET); 1193 usbd_devinfo(uaa->device, 1, devinfo, sizeof(devinfo)); 1194 aprint_normal("%s, %s", devinfo, pnp); 1195 } 1196 if (uaa->port != 0) 1197 aprint_normal(" port %d", uaa->port); 1198 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1199 aprint_normal(" configuration %d", uaa->configno); 1200 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1201 aprint_normal(" interface %d", uaa->ifaceno); 1202 #if 0 1203 /* 1204 * It gets very crowded with these locators on the attach line. 1205 * They are not really needed since they are printed in the clear 1206 * by each driver. 1207 */ 1208 if (uaa->vendor != UHUB_UNK_VENDOR) 1209 aprint_normal(" vendor 0x%04x", uaa->vendor); 1210 if (uaa->product != UHUB_UNK_PRODUCT) 1211 aprint_normal(" product 0x%04x", uaa->product); 1212 if (uaa->release != UHUB_UNK_RELEASE) 1213 aprint_normal(" release 0x%04x", uaa->release); 1214 #endif 1215 return (UNCONF); 1216 } 1217 1218 #if defined(__NetBSD__) 1219 int 1220 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1221 { 1222 #elif defined(__OpenBSD__) 1223 int 1224 usbd_submatch(struct device *parent, void *match, void *aux) 1225 { 1226 struct cfdata *cf = match; 1227 #endif 1228 struct usb_attach_arg *uaa = aux; 1229 1230 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1231 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1232 uaa->port, cf->uhubcf_port, 1233 uaa->configno, cf->uhubcf_configuration, 1234 uaa->ifaceno, cf->uhubcf_interface, 1235 uaa->vendor, cf->uhubcf_vendor, 1236 uaa->product, cf->uhubcf_product, 1237 uaa->release, cf->uhubcf_release)); 1238 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1239 ((uaa->port != 0 && 1240 cf->uhubcf_port != UHUB_UNK_PORT && 1241 cf->uhubcf_port != uaa->port) || 1242 (uaa->configno != UHUB_UNK_CONFIGURATION && 1243 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1244 cf->uhubcf_configuration != uaa->configno) || 1245 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1246 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1247 cf->uhubcf_interface != uaa->ifaceno) || 1248 (uaa->vendor != UHUB_UNK_VENDOR && 1249 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1250 cf->uhubcf_vendor != uaa->vendor) || 1251 (uaa->product != UHUB_UNK_PRODUCT && 1252 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1253 cf->uhubcf_product != uaa->product) || 1254 (uaa->release != UHUB_UNK_RELEASE && 1255 cf->uhubcf_release != UHUB_UNK_RELEASE && 1256 cf->uhubcf_release != uaa->release) 1257 ) 1258 ) 1259 return 0; 1260 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1261 cf->uhubcf_vendor == uaa->vendor && 1262 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1263 cf->uhubcf_product == uaa->product) { 1264 /* We have a vendor&product locator match */ 1265 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1266 cf->uhubcf_release == uaa->release) 1267 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1268 else 1269 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1270 } else 1271 uaa->matchlvl = 0; 1272 return (config_match(parent, cf, aux)); 1273 } 1274 1275 #endif 1276 1277 void 1278 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1279 int usedev) 1280 { 1281 struct usbd_port *p; 1282 int i, err, s; 1283 1284 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1285 di->udi_addr = dev->address; 1286 di->udi_cookie = dev->cookie; 1287 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1288 di->udi_product, sizeof(di->udi_product), usedev); 1289 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1290 UGETW(dev->ddesc.bcdDevice)); 1291 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1292 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1293 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1294 di->udi_class = dev->ddesc.bDeviceClass; 1295 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1296 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1297 di->udi_config = dev->config; 1298 di->udi_power = dev->self_powered ? 0 : dev->power; 1299 di->udi_speed = dev->speed; 1300 1301 if (dev->subdevs != NULL) { 1302 for (i = 0; dev->subdevs[i] && 1303 i < USB_MAX_DEVNAMES; i++) { 1304 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1305 USB_MAX_DEVNAMELEN); 1306 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1307 } 1308 } else { 1309 i = 0; 1310 } 1311 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1312 di->udi_devnames[i][0] = 0; /* empty */ 1313 1314 if (dev->hub) { 1315 for (i = 0; 1316 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1317 i < dev->hub->hubdesc.bNbrPorts; 1318 i++) { 1319 p = &dev->hub->ports[i]; 1320 if (p->device) 1321 err = p->device->address; 1322 else { 1323 s = UGETW(p->status.wPortStatus); 1324 if (s & UPS_PORT_ENABLED) 1325 err = USB_PORT_ENABLED; 1326 else if (s & UPS_SUSPEND) 1327 err = USB_PORT_SUSPENDED; 1328 else if (s & UPS_PORT_POWER) 1329 err = USB_PORT_POWERED; 1330 else 1331 err = USB_PORT_DISABLED; 1332 } 1333 di->udi_ports[i] = err; 1334 } 1335 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1336 } else 1337 di->udi_nports = 0; 1338 } 1339 1340 void 1341 usb_free_device(usbd_device_handle dev) 1342 { 1343 int ifcidx, nifc; 1344 1345 if (dev->default_pipe != NULL) 1346 usbd_kill_pipe(dev->default_pipe); 1347 if (dev->ifaces != NULL) { 1348 nifc = dev->cdesc->bNumInterface; 1349 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1350 usbd_free_iface_data(dev, ifcidx); 1351 free(dev->ifaces, M_USB); 1352 } 1353 if (dev->cdesc != NULL) 1354 free(dev->cdesc, M_USB); 1355 if (dev->subdevs != NULL) 1356 free(dev->subdevs, M_USB); 1357 free(dev, M_USB); 1358 } 1359 1360 /* 1361 * The general mechanism for detaching drivers works as follows: Each 1362 * driver is responsible for maintaining a reference count on the 1363 * number of outstanding references to its softc (e.g. from 1364 * processing hanging in a read or write). The detach method of the 1365 * driver decrements this counter and flags in the softc that the 1366 * driver is dying and then wakes any sleepers. It then sleeps on the 1367 * softc. Each place that can sleep must maintain the reference 1368 * count. When the reference count drops to -1 (0 is the normal value 1369 * of the reference count) the a wakeup on the softc is performed 1370 * signaling to the detach waiter that all references are gone. 1371 */ 1372 1373 /* 1374 * Called from process context when we discover that a port has 1375 * been disconnected. 1376 */ 1377 void 1378 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1379 { 1380 usbd_device_handle dev = up->device; 1381 char *hubname = USBDEVPTRNAME(parent); 1382 int i; 1383 1384 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1385 up, dev, up->portno)); 1386 1387 #ifdef DIAGNOSTIC 1388 if (dev == NULL) { 1389 printf("usb_disconnect_port: no device\n"); 1390 return; 1391 } 1392 #endif 1393 1394 if (dev->subdevs != NULL) { 1395 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1396 for (i = 0; dev->subdevs[i]; i++) { 1397 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1398 hubname); 1399 if (up->portno != 0) 1400 printf(" port %d", up->portno); 1401 printf(" (addr %d) disconnected\n", dev->address); 1402 config_detach(dev->subdevs[i], DETACH_FORCE); 1403 dev->subdevs[i] = 0; 1404 } 1405 } 1406 1407 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1408 dev->bus->devices[dev->address] = NULL; 1409 up->device = NULL; 1410 usb_free_device(dev); 1411 } 1412 1413 #ifdef __OpenBSD__ 1414 void *usb_realloc(void *p, u_int size, int pool, int flags) 1415 { 1416 void *q; 1417 1418 q = malloc(size, pool, flags); 1419 if (q == NULL) 1420 return (NULL); 1421 bcopy(p, q, size); 1422 free(p, pool); 1423 return (q); 1424 } 1425 #endif 1426