1 /* $NetBSD: usb_subr.c,v 1.113 2004/04/23 17:25:26 itojun 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 1.113 2004/04/23 17:25:26 itojun 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) 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 < 1) 175 return (USBD_SHORT_XFER); 176 177 USETW(req.wLength, sdesc->bLength); /* the whole string */ 178 return (usbd_do_request(dev, &req, sdesc)); 179 } 180 181 char * 182 usbd_get_string(usbd_device_handle dev, int si, char *buf) 183 { 184 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 185 usb_string_descriptor_t us; 186 char *s; 187 int i, n; 188 u_int16_t c; 189 usbd_status err; 190 191 if (si == 0) 192 return (0); 193 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 194 return (0); 195 if (dev->langid == USBD_NOLANG) { 196 /* Set up default language */ 197 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 198 if (err || us.bLength < 4) { 199 dev->langid = 0; /* Well, just pick something then */ 200 } else { 201 /* Pick the first language as the default. */ 202 dev->langid = UGETW(us.bString[0]); 203 } 204 } 205 err = usbd_get_string_desc(dev, si, dev->langid, &us); 206 if (err) 207 return (0); 208 s = buf; 209 n = us.bLength / 2 - 1; 210 for (i = 0; i < n; i++) { 211 c = UGETW(us.bString[i]); 212 /* Convert from Unicode, handle buggy strings. */ 213 if ((c & 0xff00) == 0) 214 *s++ = c; 215 else if ((c & 0x00ff) == 0 && swap) 216 *s++ = c >> 8; 217 else 218 *s++ = '?'; 219 } 220 *s++ = 0; 221 return (buf); 222 } 223 224 static void 225 usbd_trim_spaces(char *p) 226 { 227 char *q, *e; 228 229 if (p == NULL) 230 return; 231 q = e = p; 232 while (*q == ' ') /* skip leading spaces */ 233 q++; 234 while ((*p = *q++)) /* copy string */ 235 if (*p++ != ' ') /* remember last non-space */ 236 e = p; 237 *e = 0; /* kill trailing spaces */ 238 } 239 240 void 241 usbd_devinfo_vp(usbd_device_handle dev, char *v, size_t lv, char *p, size_t lp, 242 int usedev) 243 { 244 usb_device_descriptor_t *udd = &dev->ddesc; 245 char *vendor = NULL, *product = NULL; 246 #ifdef USBVERBOSE 247 const struct usb_knowndev *kdp; 248 #endif 249 250 if (dev == NULL) { 251 v[0] = p[0] = '\0'; 252 return; 253 } 254 255 if (usedev) { 256 vendor = usbd_get_string(dev, udd->iManufacturer, v); 257 usbd_trim_spaces(vendor); 258 product = usbd_get_string(dev, udd->iProduct, p); 259 usbd_trim_spaces(product); 260 if (vendor && !*vendor) 261 vendor = NULL; 262 if (product && !*product) 263 product = NULL; 264 } else { 265 vendor = NULL; 266 product = NULL; 267 } 268 #ifdef USBVERBOSE 269 if (vendor == NULL || product == NULL) { 270 for(kdp = usb_knowndevs; 271 kdp->vendorname != NULL; 272 kdp++) { 273 if (kdp->vendor == UGETW(udd->idVendor) && 274 (kdp->product == UGETW(udd->idProduct) || 275 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 276 break; 277 } 278 if (kdp->vendorname != NULL) { 279 if (vendor == NULL) 280 vendor = kdp->vendorname; 281 if (product == NULL) 282 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 283 kdp->productname : NULL; 284 } 285 } 286 #endif 287 if (vendor != NULL && *vendor) 288 strlcpy(v, vendor, lv); 289 else 290 snprintf(v, lv, "vendor 0x%04x", UGETW(udd->idVendor)); 291 if (product != NULL && *product) 292 strlcpy(p, product, lp); 293 else 294 snprintf(p, lp, "product 0x%04x", UGETW(udd->idProduct)); 295 } 296 297 int 298 usbd_printBCD(char *cp, size_t l, int bcd) 299 { 300 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 301 } 302 303 void 304 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 305 { 306 usb_device_descriptor_t *udd = &dev->ddesc; 307 char vendor[USB_MAX_STRING_LEN]; 308 char product[USB_MAX_STRING_LEN]; 309 int bcdDevice, bcdUSB; 310 char *ep; 311 312 ep = cp + l; 313 314 usbd_devinfo_vp(dev, vendor, sizeof(vendor), product, 315 sizeof(product), 1); 316 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 317 if (showclass) 318 cp += snprintf(cp, ep - cp, ", class %d/%d", 319 udd->bDeviceClass, udd->bDeviceSubClass); 320 bcdUSB = UGETW(udd->bcdUSB); 321 bcdDevice = UGETW(udd->bcdDevice); 322 cp += snprintf(cp, ep - cp, ", rev "); 323 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 324 *cp++ = '/'; 325 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 326 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 327 *cp = 0; 328 } 329 330 /* Delay for a certain number of ms */ 331 void 332 usb_delay_ms(usbd_bus_handle bus, u_int ms) 333 { 334 /* Wait at least two clock ticks so we know the time has passed. */ 335 if (bus->use_polling || cold) 336 delay((ms+1) * 1000); 337 else 338 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 339 } 340 341 /* Delay given a device handle. */ 342 void 343 usbd_delay_ms(usbd_device_handle dev, u_int ms) 344 { 345 usb_delay_ms(dev->bus, ms); 346 } 347 348 usbd_status 349 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 350 { 351 usb_device_request_t req; 352 usbd_status err; 353 int n; 354 355 req.bmRequestType = UT_WRITE_CLASS_OTHER; 356 req.bRequest = UR_SET_FEATURE; 357 USETW(req.wValue, UHF_PORT_RESET); 358 USETW(req.wIndex, port); 359 USETW(req.wLength, 0); 360 err = usbd_do_request(dev, &req, 0); 361 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 362 port, usbd_errstr(err))); 363 if (err) 364 return (err); 365 n = 10; 366 do { 367 /* Wait for device to recover from reset. */ 368 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 369 err = usbd_get_port_status(dev, port, ps); 370 if (err) { 371 DPRINTF(("usbd_reset_port: get status failed %d\n", 372 err)); 373 return (err); 374 } 375 /* If the device disappeared, just give up. */ 376 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 377 return (USBD_NORMAL_COMPLETION); 378 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 379 if (n == 0) 380 return (USBD_TIMEOUT); 381 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 382 #ifdef USB_DEBUG 383 if (err) 384 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 385 err)); 386 #endif 387 388 /* Wait for the device to recover from reset. */ 389 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 390 return (err); 391 } 392 393 usb_interface_descriptor_t * 394 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 395 { 396 char *p = (char *)cd; 397 char *end = p + UGETW(cd->wTotalLength); 398 usb_interface_descriptor_t *d; 399 int curidx, lastidx, curaidx = 0; 400 401 for (curidx = lastidx = -1; p < end; ) { 402 d = (usb_interface_descriptor_t *)p; 403 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 404 "type=%d\n", 405 ifaceidx, curidx, altidx, curaidx, 406 d->bLength, d->bDescriptorType)); 407 if (d->bLength == 0) /* bad descriptor */ 408 break; 409 p += d->bLength; 410 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 411 if (d->bInterfaceNumber != lastidx) { 412 lastidx = d->bInterfaceNumber; 413 curidx++; 414 curaidx = 0; 415 } else 416 curaidx++; 417 if (ifaceidx == curidx && altidx == curaidx) 418 return (d); 419 } 420 } 421 return (NULL); 422 } 423 424 usb_endpoint_descriptor_t * 425 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 426 int endptidx) 427 { 428 char *p = (char *)cd; 429 char *end = p + UGETW(cd->wTotalLength); 430 usb_interface_descriptor_t *d; 431 usb_endpoint_descriptor_t *e; 432 int curidx; 433 434 d = usbd_find_idesc(cd, ifaceidx, altidx); 435 if (d == NULL) 436 return (NULL); 437 if (endptidx >= d->bNumEndpoints) /* quick exit */ 438 return (NULL); 439 440 curidx = -1; 441 for (p = (char *)d + d->bLength; p < end; ) { 442 e = (usb_endpoint_descriptor_t *)p; 443 if (e->bLength == 0) /* bad descriptor */ 444 break; 445 p += e->bLength; 446 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 447 return (NULL); 448 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 449 curidx++; 450 if (curidx == endptidx) 451 return (e); 452 } 453 } 454 return (NULL); 455 } 456 457 usbd_status 458 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 459 { 460 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 461 usb_interface_descriptor_t *idesc; 462 char *p, *end; 463 int endpt, nendpt; 464 465 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 466 ifaceidx, altidx)); 467 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 468 if (idesc == NULL) 469 return (USBD_INVAL); 470 ifc->device = dev; 471 ifc->idesc = idesc; 472 ifc->index = ifaceidx; 473 ifc->altindex = altidx; 474 nendpt = ifc->idesc->bNumEndpoints; 475 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 476 if (nendpt != 0) { 477 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 478 M_USB, M_NOWAIT); 479 if (ifc->endpoints == NULL) 480 return (USBD_NOMEM); 481 } else 482 ifc->endpoints = NULL; 483 ifc->priv = NULL; 484 p = (char *)ifc->idesc + ifc->idesc->bLength; 485 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 486 #define ed ((usb_endpoint_descriptor_t *)p) 487 for (endpt = 0; endpt < nendpt; endpt++) { 488 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 489 for (; p < end; p += ed->bLength) { 490 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 491 "len=%d type=%d\n", 492 p, end, ed->bLength, ed->bDescriptorType)); 493 if (p + ed->bLength <= end && ed->bLength != 0 && 494 ed->bDescriptorType == UDESC_ENDPOINT) 495 goto found; 496 if (ed->bLength == 0 || 497 ed->bDescriptorType == UDESC_INTERFACE) 498 break; 499 } 500 /* passed end, or bad desc */ 501 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 502 ed->bLength == 0 ? "0 length" : 503 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 504 "out of data"); 505 goto bad; 506 found: 507 ifc->endpoints[endpt].edesc = ed; 508 if (dev->speed == USB_SPEED_HIGH) { 509 u_int mps; 510 /* Control and bulk endpoints have max packet limits. */ 511 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 512 case UE_CONTROL: 513 mps = USB_2_MAX_CTRL_PACKET; 514 goto check; 515 case UE_BULK: 516 mps = USB_2_MAX_BULK_PACKET; 517 check: 518 if (UGETW(ed->wMaxPacketSize) != mps) { 519 USETW(ed->wMaxPacketSize, mps); 520 #ifdef DIAGNOSTIC 521 printf("usbd_fill_iface_data: bad max " 522 "packet size\n"); 523 #endif 524 } 525 break; 526 default: 527 break; 528 } 529 } 530 ifc->endpoints[endpt].refcnt = 0; 531 p += ed->bLength; 532 } 533 #undef ed 534 LIST_INIT(&ifc->pipes); 535 return (USBD_NORMAL_COMPLETION); 536 537 bad: 538 if (ifc->endpoints != NULL) { 539 free(ifc->endpoints, M_USB); 540 ifc->endpoints = NULL; 541 } 542 return (USBD_INVAL); 543 } 544 545 void 546 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 547 { 548 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 549 if (ifc->endpoints) 550 free(ifc->endpoints, M_USB); 551 } 552 553 Static usbd_status 554 usbd_set_config(usbd_device_handle dev, int conf) 555 { 556 usb_device_request_t req; 557 558 req.bmRequestType = UT_WRITE_DEVICE; 559 req.bRequest = UR_SET_CONFIG; 560 USETW(req.wValue, conf); 561 USETW(req.wIndex, 0); 562 USETW(req.wLength, 0); 563 return (usbd_do_request(dev, &req, 0)); 564 } 565 566 usbd_status 567 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 568 { 569 int index; 570 usb_config_descriptor_t cd; 571 usbd_status err; 572 573 if (no == USB_UNCONFIG_NO) 574 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 575 576 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 577 /* Figure out what config index to use. */ 578 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 579 err = usbd_get_config_desc(dev, index, &cd); 580 if (err) 581 return (err); 582 if (cd.bConfigurationValue == no) 583 return (usbd_set_config_index(dev, index, msg)); 584 } 585 return (USBD_INVAL); 586 } 587 588 usbd_status 589 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 590 { 591 usb_status_t ds; 592 usb_config_descriptor_t cd, *cdp; 593 usbd_status err; 594 int i, ifcidx, nifc, len, selfpowered, power; 595 596 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 597 598 /* XXX check that all interfaces are idle */ 599 if (dev->config != USB_UNCONFIG_NO) { 600 DPRINTF(("usbd_set_config_index: free old config\n")); 601 /* Free all configuration data structures. */ 602 nifc = dev->cdesc->bNumInterface; 603 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 604 usbd_free_iface_data(dev, ifcidx); 605 free(dev->ifaces, M_USB); 606 free(dev->cdesc, M_USB); 607 dev->ifaces = NULL; 608 dev->cdesc = NULL; 609 dev->config = USB_UNCONFIG_NO; 610 } 611 612 if (index == USB_UNCONFIG_INDEX) { 613 /* We are unconfiguring the device, so leave unallocated. */ 614 DPRINTF(("usbd_set_config_index: set config 0\n")); 615 err = usbd_set_config(dev, USB_UNCONFIG_NO); 616 if (err) 617 DPRINTF(("usbd_set_config_index: setting config=0 " 618 "failed, error=%s\n", usbd_errstr(err))); 619 return (err); 620 } 621 622 /* Get the short descriptor. */ 623 err = usbd_get_config_desc(dev, index, &cd); 624 if (err) 625 return (err); 626 len = UGETW(cd.wTotalLength); 627 cdp = malloc(len, M_USB, M_NOWAIT); 628 if (cdp == NULL) 629 return (USBD_NOMEM); 630 631 /* Get the full descriptor. Try a few times for slow devices. */ 632 for (i = 0; i < 3; i++) { 633 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 634 if (!err) 635 break; 636 usbd_delay_ms(dev, 200); 637 } 638 if (err) 639 goto bad; 640 641 if (cdp->bDescriptorType != UDESC_CONFIG) { 642 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 643 cdp->bDescriptorType)); 644 err = USBD_INVAL; 645 goto bad; 646 } 647 648 /* Figure out if the device is self or bus powered. */ 649 selfpowered = 0; 650 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 651 (cdp->bmAttributes & UC_SELF_POWERED)) { 652 /* May be self powered. */ 653 if (cdp->bmAttributes & UC_BUS_POWERED) { 654 /* Must ask device. */ 655 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 656 /* 657 * Hub claims to be self powered, but isn't. 658 * It seems that the power status can be 659 * determined by the hub characteristics. 660 */ 661 usb_hub_descriptor_t hd; 662 usb_device_request_t req; 663 req.bmRequestType = UT_READ_CLASS_DEVICE; 664 req.bRequest = UR_GET_DESCRIPTOR; 665 USETW(req.wValue, 0); 666 USETW(req.wIndex, 0); 667 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 668 err = usbd_do_request(dev, &req, &hd); 669 if (!err && 670 (UGETW(hd.wHubCharacteristics) & 671 UHD_PWR_INDIVIDUAL)) 672 selfpowered = 1; 673 DPRINTF(("usbd_set_config_index: charac=0x%04x" 674 ", error=%s\n", 675 UGETW(hd.wHubCharacteristics), 676 usbd_errstr(err))); 677 } else { 678 err = usbd_get_device_status(dev, &ds); 679 if (!err && 680 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 681 selfpowered = 1; 682 DPRINTF(("usbd_set_config_index: status=0x%04x" 683 ", error=%s\n", 684 UGETW(ds.wStatus), usbd_errstr(err))); 685 } 686 } else 687 selfpowered = 1; 688 } 689 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 690 "selfpowered=%d, power=%d\n", 691 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 692 selfpowered, cdp->bMaxPower * 2)); 693 694 /* Check if we have enough power. */ 695 #ifdef USB_DEBUG 696 if (dev->powersrc == NULL) { 697 DPRINTF(("usbd_set_config_index: No power source?\n")); 698 return (USBD_IOERROR); 699 } 700 #endif 701 power = cdp->bMaxPower * 2; 702 if (power > dev->powersrc->power) { 703 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 704 /* XXX print nicer message. */ 705 if (msg) 706 printf("%s: device addr %d (config %d) exceeds power " 707 "budget, %d mA > %d mA\n", 708 USBDEVNAME(dev->bus->bdev), dev->address, 709 cdp->bConfigurationValue, 710 power, dev->powersrc->power); 711 err = USBD_NO_POWER; 712 goto bad; 713 } 714 dev->power = power; 715 dev->self_powered = selfpowered; 716 717 /* Set the actual configuration value. */ 718 DPRINTF(("usbd_set_config_index: set config %d\n", 719 cdp->bConfigurationValue)); 720 err = usbd_set_config(dev, cdp->bConfigurationValue); 721 if (err) { 722 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 723 "error=%s\n", 724 cdp->bConfigurationValue, usbd_errstr(err))); 725 goto bad; 726 } 727 728 /* Allocate and fill interface data. */ 729 nifc = cdp->bNumInterface; 730 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 731 M_USB, M_NOWAIT); 732 if (dev->ifaces == NULL) { 733 err = USBD_NOMEM; 734 goto bad; 735 } 736 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 737 dev->cdesc = cdp; 738 dev->config = cdp->bConfigurationValue; 739 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 740 err = usbd_fill_iface_data(dev, ifcidx, 0); 741 if (err) { 742 while (--ifcidx >= 0) 743 usbd_free_iface_data(dev, ifcidx); 744 goto bad; 745 } 746 } 747 748 return (USBD_NORMAL_COMPLETION); 749 750 bad: 751 free(cdp, M_USB); 752 return (err); 753 } 754 755 /* XXX add function for alternate settings */ 756 757 usbd_status 758 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 759 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 760 { 761 usbd_pipe_handle p; 762 usbd_status err; 763 764 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 765 dev, iface, ep, pipe)); 766 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 767 if (p == NULL) 768 return (USBD_NOMEM); 769 p->device = dev; 770 p->iface = iface; 771 p->endpoint = ep; 772 ep->refcnt++; 773 p->refcnt = 1; 774 p->intrxfer = 0; 775 p->running = 0; 776 p->aborting = 0; 777 p->repeat = 0; 778 p->interval = ival; 779 SIMPLEQ_INIT(&p->queue); 780 err = dev->bus->methods->open_pipe(p); 781 if (err) { 782 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 783 "%s\n", 784 ep->edesc->bEndpointAddress, usbd_errstr(err))); 785 free(p, M_USB); 786 return (err); 787 } 788 /* Clear any stall and make sure DATA0 toggle will be used next. */ 789 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) { 790 err = usbd_clear_endpoint_stall(p); 791 /* Some devices reject this command, so ignore a STALL. */ 792 if (err && err != USBD_STALLED) { 793 printf("usbd_setup_pipe: failed to start endpoint, %s\n", usbd_errstr(err)); 794 return (err); 795 } 796 } 797 *pipe = p; 798 return (USBD_NORMAL_COMPLETION); 799 } 800 801 /* Abort the device control pipe. */ 802 void 803 usbd_kill_pipe(usbd_pipe_handle pipe) 804 { 805 usbd_abort_pipe(pipe); 806 pipe->methods->close(pipe); 807 pipe->endpoint->refcnt--; 808 free(pipe, M_USB); 809 } 810 811 int 812 usbd_getnewaddr(usbd_bus_handle bus) 813 { 814 int addr; 815 816 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 817 if (bus->devices[addr] == 0) 818 return (addr); 819 return (-1); 820 } 821 822 823 usbd_status 824 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 825 int port, int addr) 826 { 827 struct usb_attach_arg uaa; 828 usb_device_descriptor_t *dd = &dev->ddesc; 829 int found, i, confi, nifaces; 830 usbd_status err; 831 device_ptr_t dv; 832 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 833 834 #if defined(__FreeBSD__) 835 /* 836 * XXX uaa is a static var. Not a problem as it _should_ be used only 837 * during probe and attach. Should be changed however. 838 */ 839 device_t bdev; 840 bdev = device_add_child(parent, NULL, -1, &uaa); 841 if (!bdev) { 842 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 843 return (USBD_INVAL); 844 } 845 device_quiet(bdev); 846 #endif 847 848 uaa.device = dev; 849 uaa.iface = NULL; 850 uaa.ifaces = NULL; 851 uaa.nifaces = 0; 852 uaa.usegeneric = 0; 853 uaa.port = port; 854 uaa.configno = UHUB_UNK_CONFIGURATION; 855 uaa.ifaceno = UHUB_UNK_INTERFACE; 856 uaa.vendor = UGETW(dd->idVendor); 857 uaa.product = UGETW(dd->idProduct); 858 uaa.release = UGETW(dd->bcdDevice); 859 860 /* First try with device specific drivers. */ 861 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 862 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 863 if (dv) { 864 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 865 if (dev->subdevs == NULL) 866 return (USBD_NOMEM); 867 dev->subdevs[0] = dv; 868 dev->subdevs[1] = 0; 869 return (USBD_NORMAL_COMPLETION); 870 } 871 872 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 873 874 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 875 dd->bNumConfigurations)); 876 /* Next try with interface drivers. */ 877 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 878 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 879 confi)); 880 err = usbd_set_config_index(dev, confi, 1); 881 if (err) { 882 #ifdef USB_DEBUG 883 DPRINTF(("%s: port %d, set config at addr %d failed, " 884 "error=%s\n", USBDEVPTRNAME(parent), port, 885 addr, usbd_errstr(err))); 886 #else 887 printf("%s: port %d, set config at addr %d failed\n", 888 USBDEVPTRNAME(parent), port, addr); 889 #endif 890 #if defined(__FreeBSD__) 891 device_delete_child(parent, bdev); 892 #endif 893 894 return (err); 895 } 896 nifaces = dev->cdesc->bNumInterface; 897 uaa.configno = dev->cdesc->bConfigurationValue; 898 for (i = 0; i < nifaces; i++) 899 ifaces[i] = &dev->ifaces[i]; 900 uaa.ifaces = ifaces; 901 uaa.nifaces = nifaces; 902 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 903 if (dev->subdevs == NULL) { 904 #if defined(__FreeBSD__) 905 device_delete_child(parent, bdev); 906 #endif 907 return (USBD_NOMEM); 908 } 909 910 found = 0; 911 for (i = 0; i < nifaces; i++) { 912 if (ifaces[i] == NULL) 913 continue; /* interface already claimed */ 914 uaa.iface = ifaces[i]; 915 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 916 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 917 usbd_submatch); 918 if (dv != NULL) { 919 dev->subdevs[found++] = dv; 920 dev->subdevs[found] = 0; 921 ifaces[i] = 0; /* consumed */ 922 923 #if defined(__FreeBSD__) 924 /* create another child for the next iface */ 925 bdev = device_add_child(parent, NULL, -1,&uaa); 926 if (!bdev) { 927 printf("%s: Device creation failed\n", 928 USBDEVNAME(dev->bus->bdev)); 929 return (USBD_NORMAL_COMPLETION); 930 } 931 device_quiet(bdev); 932 #endif 933 } 934 } 935 if (found != 0) { 936 #if defined(__FreeBSD__) 937 /* remove the last created child again; it is unused */ 938 device_delete_child(parent, bdev); 939 #endif 940 return (USBD_NORMAL_COMPLETION); 941 } 942 free(dev->subdevs, M_USB); 943 dev->subdevs = 0; 944 } 945 /* No interfaces were attached in any of the configurations. */ 946 947 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 948 usbd_set_config_index(dev, 0, 0); 949 950 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 951 952 /* Finally try the generic driver. */ 953 uaa.iface = NULL; 954 uaa.usegeneric = 1; 955 uaa.configno = UHUB_UNK_CONFIGURATION; 956 uaa.ifaceno = UHUB_UNK_INTERFACE; 957 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 958 if (dv != NULL) { 959 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 960 if (dev->subdevs == 0) 961 return (USBD_NOMEM); 962 dev->subdevs[0] = dv; 963 dev->subdevs[1] = 0; 964 return (USBD_NORMAL_COMPLETION); 965 } 966 967 /* 968 * The generic attach failed, but leave the device as it is. 969 * We just did not find any drivers, that's all. The device is 970 * fully operational and not harming anyone. 971 */ 972 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 973 #if defined(__FreeBSD__) 974 device_delete_child(parent, bdev); 975 #endif 976 return (USBD_NORMAL_COMPLETION); 977 } 978 979 980 /* 981 * Called when a new device has been put in the powered state, 982 * but not yet in the addressed state. 983 * Get initial descriptor, set the address, get full descriptor, 984 * and attach a driver. 985 */ 986 usbd_status 987 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 988 int speed, int port, struct usbd_port *up) 989 { 990 usbd_device_handle dev; 991 struct usbd_device *hub; 992 usb_device_descriptor_t *dd; 993 usb_port_status_t ps; 994 usbd_status err; 995 int addr; 996 int i; 997 998 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 999 bus, port, depth, speed)); 1000 addr = usbd_getnewaddr(bus); 1001 if (addr < 0) { 1002 printf("%s: No free USB addresses, new device ignored.\n", 1003 USBDEVNAME(bus->bdev)); 1004 return (USBD_NO_ADDR); 1005 } 1006 1007 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 1008 if (dev == NULL) 1009 return (USBD_NOMEM); 1010 1011 dev->bus = bus; 1012 1013 /* Set up default endpoint handle. */ 1014 dev->def_ep.edesc = &dev->def_ep_desc; 1015 1016 /* Set up default endpoint descriptor. */ 1017 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1018 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1019 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1020 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1021 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1022 dev->def_ep_desc.bInterval = 0; 1023 1024 dev->quirks = &usbd_no_quirk; 1025 dev->address = USB_START_ADDR; 1026 dev->ddesc.bMaxPacketSize = 0; 1027 dev->depth = depth; 1028 dev->powersrc = up; 1029 dev->myhub = up->parent; 1030 for (hub = up->parent; 1031 hub != NULL && hub->speed != USB_SPEED_HIGH; 1032 hub = hub->myhub) 1033 ; 1034 dev->myhighhub = hub; 1035 dev->speed = speed; 1036 dev->langid = USBD_NOLANG; 1037 dev->cookie.cookie = ++usb_cookie_no; 1038 1039 /* Establish the default pipe. */ 1040 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1041 &dev->default_pipe); 1042 if (err) { 1043 usbd_remove_device(dev, up); 1044 return (err); 1045 } 1046 1047 up->device = dev; 1048 1049 /* Set the address. Do this early; some devices need that. */ 1050 err = usbd_set_address(dev, addr); 1051 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1052 if (err) { 1053 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1054 err = USBD_SET_ADDR_FAILED; 1055 usbd_remove_device(dev, up); 1056 return (err); 1057 } 1058 /* Allow device time to set new address */ 1059 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1060 dev->address = addr; /* New device address now */ 1061 bus->devices[addr] = dev; 1062 1063 dd = &dev->ddesc; 1064 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1065 for (i = 0; i < 10; i++) { 1066 /* Get the first 8 bytes of the device descriptor. */ 1067 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1068 if (!err) 1069 break; 1070 usbd_delay_ms(dev, 200); 1071 if ((i & 3) == 3) 1072 usbd_reset_port(up->parent, port, &ps); 1073 } 1074 if (err) { 1075 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1076 "failed\n", addr)); 1077 usbd_remove_device(dev, up); 1078 return (err); 1079 } 1080 1081 if (speed == USB_SPEED_HIGH) { 1082 /* Max packet size must be 64 (sec 5.5.3). */ 1083 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1084 #ifdef DIAGNOSTIC 1085 printf("usbd_new_device: addr=%d bad max packet size\n", 1086 addr); 1087 #endif 1088 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1089 } 1090 } 1091 1092 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1093 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1094 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1095 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1096 dev->speed)); 1097 1098 if (dd->bDescriptorType != UDESC_DEVICE) { 1099 /* Illegal device descriptor */ 1100 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1101 dd->bDescriptorType)); 1102 usbd_remove_device(dev, up); 1103 return (USBD_INVAL); 1104 } 1105 1106 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1107 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1108 usbd_remove_device(dev, up); 1109 return (USBD_INVAL); 1110 } 1111 1112 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1113 1114 err = usbd_reload_device_desc(dev); 1115 if (err) { 1116 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1117 "failed\n", addr)); 1118 usbd_remove_device(dev, up); 1119 return (err); 1120 } 1121 1122 /* Assume 100mA bus powered for now. Changed when configured. */ 1123 dev->power = USB_MIN_POWER; 1124 dev->self_powered = 0; 1125 1126 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1127 addr, dev, parent)); 1128 1129 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1130 1131 err = usbd_probe_and_attach(parent, dev, port, addr); 1132 if (err) { 1133 usbd_remove_device(dev, up); 1134 return (err); 1135 } 1136 1137 return (USBD_NORMAL_COMPLETION); 1138 } 1139 1140 usbd_status 1141 usbd_reload_device_desc(usbd_device_handle dev) 1142 { 1143 usbd_status err; 1144 1145 /* Get the full device descriptor. */ 1146 err = usbd_get_device_desc(dev, &dev->ddesc); 1147 if (err) 1148 return (err); 1149 1150 /* Figure out what's wrong with this device. */ 1151 dev->quirks = usbd_find_quirk(&dev->ddesc); 1152 1153 return (USBD_NORMAL_COMPLETION); 1154 } 1155 1156 void 1157 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1158 { 1159 DPRINTF(("usbd_remove_device: %p\n", dev)); 1160 1161 if (dev->default_pipe != NULL) 1162 usbd_kill_pipe(dev->default_pipe); 1163 up->device = 0; 1164 dev->bus->devices[dev->address] = 0; 1165 1166 free(dev, M_USB); 1167 } 1168 1169 #if defined(__NetBSD__) || defined(__OpenBSD__) 1170 int 1171 usbd_print(void *aux, const char *pnp) 1172 { 1173 struct usb_attach_arg *uaa = aux; 1174 char devinfo[1024]; 1175 1176 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1177 if (pnp) { 1178 if (!uaa->usegeneric) 1179 return (QUIET); 1180 usbd_devinfo(uaa->device, 1, devinfo, sizeof(devinfo)); 1181 aprint_normal("%s, %s", devinfo, pnp); 1182 } 1183 if (uaa->port != 0) 1184 aprint_normal(" port %d", uaa->port); 1185 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1186 aprint_normal(" configuration %d", uaa->configno); 1187 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1188 aprint_normal(" interface %d", uaa->ifaceno); 1189 #if 0 1190 /* 1191 * It gets very crowded with these locators on the attach line. 1192 * They are not really needed since they are printed in the clear 1193 * by each driver. 1194 */ 1195 if (uaa->vendor != UHUB_UNK_VENDOR) 1196 aprint_normal(" vendor 0x%04x", uaa->vendor); 1197 if (uaa->product != UHUB_UNK_PRODUCT) 1198 aprint_normal(" product 0x%04x", uaa->product); 1199 if (uaa->release != UHUB_UNK_RELEASE) 1200 aprint_normal(" release 0x%04x", uaa->release); 1201 #endif 1202 return (UNCONF); 1203 } 1204 1205 #if defined(__NetBSD__) 1206 int 1207 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1208 { 1209 #elif defined(__OpenBSD__) 1210 int 1211 usbd_submatch(struct device *parent, void *match, void *aux) 1212 { 1213 struct cfdata *cf = match; 1214 #endif 1215 struct usb_attach_arg *uaa = aux; 1216 1217 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1218 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1219 uaa->port, cf->uhubcf_port, 1220 uaa->configno, cf->uhubcf_configuration, 1221 uaa->ifaceno, cf->uhubcf_interface, 1222 uaa->vendor, cf->uhubcf_vendor, 1223 uaa->product, cf->uhubcf_product, 1224 uaa->release, cf->uhubcf_release)); 1225 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1226 ((uaa->port != 0 && 1227 cf->uhubcf_port != UHUB_UNK_PORT && 1228 cf->uhubcf_port != uaa->port) || 1229 (uaa->configno != UHUB_UNK_CONFIGURATION && 1230 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1231 cf->uhubcf_configuration != uaa->configno) || 1232 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1233 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1234 cf->uhubcf_interface != uaa->ifaceno) || 1235 (uaa->vendor != UHUB_UNK_VENDOR && 1236 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1237 cf->uhubcf_vendor != uaa->vendor) || 1238 (uaa->product != UHUB_UNK_PRODUCT && 1239 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1240 cf->uhubcf_product != uaa->product) || 1241 (uaa->release != UHUB_UNK_RELEASE && 1242 cf->uhubcf_release != UHUB_UNK_RELEASE && 1243 cf->uhubcf_release != uaa->release) 1244 ) 1245 ) 1246 return 0; 1247 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1248 cf->uhubcf_vendor == uaa->vendor && 1249 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1250 cf->uhubcf_product == uaa->product) { 1251 /* We have a vendor&product locator match */ 1252 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1253 cf->uhubcf_release == uaa->release) 1254 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1255 else 1256 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1257 } else 1258 uaa->matchlvl = 0; 1259 return (config_match(parent, cf, aux)); 1260 } 1261 1262 #endif 1263 1264 void 1265 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1266 int usedev) 1267 { 1268 struct usbd_port *p; 1269 int i, err, s; 1270 1271 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1272 di->udi_addr = dev->address; 1273 di->udi_cookie = dev->cookie; 1274 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1275 di->udi_product, sizeof(di->udi_product), usedev); 1276 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1277 UGETW(dev->ddesc.bcdDevice)); 1278 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1279 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1280 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1281 di->udi_class = dev->ddesc.bDeviceClass; 1282 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1283 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1284 di->udi_config = dev->config; 1285 di->udi_power = dev->self_powered ? 0 : dev->power; 1286 di->udi_speed = dev->speed; 1287 1288 if (dev->subdevs != NULL) { 1289 for (i = 0; dev->subdevs[i] && 1290 i < USB_MAX_DEVNAMES; i++) { 1291 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1292 USB_MAX_DEVNAMELEN); 1293 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1294 } 1295 } else { 1296 i = 0; 1297 } 1298 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1299 di->udi_devnames[i][0] = 0; /* empty */ 1300 1301 if (dev->hub) { 1302 for (i = 0; 1303 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1304 i < dev->hub->hubdesc.bNbrPorts; 1305 i++) { 1306 p = &dev->hub->ports[i]; 1307 if (p->device) 1308 err = p->device->address; 1309 else { 1310 s = UGETW(p->status.wPortStatus); 1311 if (s & UPS_PORT_ENABLED) 1312 err = USB_PORT_ENABLED; 1313 else if (s & UPS_SUSPEND) 1314 err = USB_PORT_SUSPENDED; 1315 else if (s & UPS_PORT_POWER) 1316 err = USB_PORT_POWERED; 1317 else 1318 err = USB_PORT_DISABLED; 1319 } 1320 di->udi_ports[i] = err; 1321 } 1322 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1323 } else 1324 di->udi_nports = 0; 1325 } 1326 1327 void 1328 usb_free_device(usbd_device_handle dev) 1329 { 1330 int ifcidx, nifc; 1331 1332 if (dev->default_pipe != NULL) 1333 usbd_kill_pipe(dev->default_pipe); 1334 if (dev->ifaces != NULL) { 1335 nifc = dev->cdesc->bNumInterface; 1336 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1337 usbd_free_iface_data(dev, ifcidx); 1338 free(dev->ifaces, M_USB); 1339 } 1340 if (dev->cdesc != NULL) 1341 free(dev->cdesc, M_USB); 1342 if (dev->subdevs != NULL) 1343 free(dev->subdevs, M_USB); 1344 free(dev, M_USB); 1345 } 1346 1347 /* 1348 * The general mechanism for detaching drivers works as follows: Each 1349 * driver is responsible for maintaining a reference count on the 1350 * number of outstanding references to its softc (e.g. from 1351 * processing hanging in a read or write). The detach method of the 1352 * driver decrements this counter and flags in the softc that the 1353 * driver is dying and then wakes any sleepers. It then sleeps on the 1354 * softc. Each place that can sleep must maintain the reference 1355 * count. When the reference count drops to -1 (0 is the normal value 1356 * of the reference count) the a wakeup on the softc is performed 1357 * signaling to the detach waiter that all references are gone. 1358 */ 1359 1360 /* 1361 * Called from process context when we discover that a port has 1362 * been disconnected. 1363 */ 1364 void 1365 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1366 { 1367 usbd_device_handle dev = up->device; 1368 char *hubname = USBDEVPTRNAME(parent); 1369 int i; 1370 1371 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1372 up, dev, up->portno)); 1373 1374 #ifdef DIAGNOSTIC 1375 if (dev == NULL) { 1376 printf("usb_disconnect_port: no device\n"); 1377 return; 1378 } 1379 #endif 1380 1381 if (dev->subdevs != NULL) { 1382 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1383 for (i = 0; dev->subdevs[i]; i++) { 1384 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1385 hubname); 1386 if (up->portno != 0) 1387 printf(" port %d", up->portno); 1388 printf(" (addr %d) disconnected\n", dev->address); 1389 config_detach(dev->subdevs[i], DETACH_FORCE); 1390 dev->subdevs[i] = 0; 1391 } 1392 } 1393 1394 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1395 dev->bus->devices[dev->address] = NULL; 1396 up->device = NULL; 1397 usb_free_device(dev); 1398 } 1399 1400 #ifdef __OpenBSD__ 1401 void *usb_realloc(void *p, u_int size, int pool, int flags) 1402 { 1403 void *q; 1404 1405 q = malloc(size, pool, flags); 1406 if (q == NULL) 1407 return (NULL); 1408 bcopy(p, q, size); 1409 free(p, pool); 1410 return (q); 1411 } 1412 #endif 1413