1 /* $NetBSD: usb_subr.c,v 1.109 2004/01/28 22:37:50 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 #include <sys/cdefs.h> 42 __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.109 2004/01/28 22:37:50 augustss 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 *, char *, int); 85 Static char *usbd_get_string(usbd_device_handle, int, char *); 86 Static int usbd_getnewaddr(usbd_bus_handle bus); 87 #if defined(__NetBSD__) 88 Static int usbd_print(void *aux, const char *pnp); 89 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 90 #elif defined(__OpenBSD__) 91 Static int usbd_print(void *aux, const char *pnp); 92 Static int usbd_submatch(device_ptr_t, void *, void *); 93 #endif 94 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 95 Static void usbd_kill_pipe(usbd_pipe_handle); 96 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 97 usbd_device_handle dev, int port, int addr); 98 99 Static u_int32_t usb_cookie_no = 0; 100 101 #ifdef USBVERBOSE 102 typedef u_int16_t usb_vendor_id_t; 103 typedef u_int16_t usb_product_id_t; 104 105 /* 106 * Descriptions of of known vendors and devices ("products"). 107 */ 108 struct usb_knowndev { 109 usb_vendor_id_t vendor; 110 usb_product_id_t product; 111 int flags; 112 char *vendorname, *productname; 113 }; 114 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 115 116 #include <dev/usb/usbdevs_data.h> 117 #endif /* USBVERBOSE */ 118 119 Static const char * const usbd_error_strs[] = { 120 "NORMAL_COMPLETION", 121 "IN_PROGRESS", 122 "PENDING_REQUESTS", 123 "NOT_STARTED", 124 "INVAL", 125 "NOMEM", 126 "CANCELLED", 127 "BAD_ADDRESS", 128 "IN_USE", 129 "NO_ADDR", 130 "SET_ADDR_FAILED", 131 "NO_POWER", 132 "TOO_DEEP", 133 "IOERROR", 134 "NOT_CONFIGURED", 135 "TIMEOUT", 136 "SHORT_XFER", 137 "STALLED", 138 "INTERRUPTED", 139 "XXX", 140 }; 141 142 const char * 143 usbd_errstr(usbd_status err) 144 { 145 static char buffer[5]; 146 147 if (err < USBD_ERROR_MAX) { 148 return usbd_error_strs[err]; 149 } else { 150 snprintf(buffer, sizeof buffer, "%d", err); 151 return buffer; 152 } 153 } 154 155 usbd_status 156 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 157 usb_string_descriptor_t *sdesc) 158 { 159 usb_device_request_t req; 160 usbd_status err; 161 int actlen; 162 163 req.bmRequestType = UT_READ_DEVICE; 164 req.bRequest = UR_GET_DESCRIPTOR; 165 USETW2(req.wValue, UDESC_STRING, sindex); 166 USETW(req.wIndex, langid); 167 USETW(req.wLength, 2); /* only size byte first */ 168 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 169 &actlen, USBD_DEFAULT_TIMEOUT); 170 if (err) 171 return (err); 172 173 if (actlen < 1) 174 return (USBD_SHORT_XFER); 175 176 USETW(req.wLength, sdesc->bLength); /* the whole string */ 177 return (usbd_do_request(dev, &req, sdesc)); 178 } 179 180 char * 181 usbd_get_string(usbd_device_handle dev, int si, char *buf) 182 { 183 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 184 usb_string_descriptor_t us; 185 char *s; 186 int i, n; 187 u_int16_t c; 188 usbd_status err; 189 190 if (si == 0) 191 return (0); 192 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 193 return (0); 194 if (dev->langid == USBD_NOLANG) { 195 /* Set up default language */ 196 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 197 if (err || us.bLength < 4) { 198 dev->langid = 0; /* Well, just pick something then */ 199 } else { 200 /* Pick the first language as the default. */ 201 dev->langid = UGETW(us.bString[0]); 202 } 203 } 204 err = usbd_get_string_desc(dev, si, dev->langid, &us); 205 if (err) 206 return (0); 207 s = buf; 208 n = us.bLength / 2 - 1; 209 for (i = 0; i < n; i++) { 210 c = UGETW(us.bString[i]); 211 /* Convert from Unicode, handle buggy strings. */ 212 if ((c & 0xff00) == 0) 213 *s++ = c; 214 else if ((c & 0x00ff) == 0 && swap) 215 *s++ = c >> 8; 216 else 217 *s++ = '?'; 218 } 219 *s++ = 0; 220 return (buf); 221 } 222 223 static void 224 usbd_trim_spaces(char *p) 225 { 226 char *q, *e; 227 228 if (p == NULL) 229 return; 230 q = e = p; 231 while (*q == ' ') /* skip leading spaces */ 232 q++; 233 while ((*p = *q++)) /* copy string */ 234 if (*p++ != ' ') /* remember last non-space */ 235 e = p; 236 *e = 0; /* kill trailing spaces */ 237 } 238 239 void 240 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev) 241 { 242 usb_device_descriptor_t *udd = &dev->ddesc; 243 char *vendor = NULL, *product = NULL; 244 #ifdef USBVERBOSE 245 const struct usb_knowndev *kdp; 246 #endif 247 248 if (dev == NULL) { 249 v[0] = p[0] = '\0'; 250 return; 251 } 252 253 if (usedev) { 254 vendor = usbd_get_string(dev, udd->iManufacturer, v); 255 usbd_trim_spaces(vendor); 256 product = usbd_get_string(dev, udd->iProduct, p); 257 usbd_trim_spaces(product); 258 if (vendor && !*vendor) 259 vendor = NULL; 260 if (product && !*product) 261 product = NULL; 262 } else { 263 vendor = NULL; 264 product = NULL; 265 } 266 #ifdef USBVERBOSE 267 if (vendor == NULL || product == NULL) { 268 for(kdp = usb_knowndevs; 269 kdp->vendorname != NULL; 270 kdp++) { 271 if (kdp->vendor == UGETW(udd->idVendor) && 272 (kdp->product == UGETW(udd->idProduct) || 273 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 274 break; 275 } 276 if (kdp->vendorname != NULL) { 277 if (vendor == NULL) 278 vendor = kdp->vendorname; 279 if (product == NULL) 280 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 281 kdp->productname : NULL; 282 } 283 } 284 #endif 285 if (vendor != NULL && *vendor) 286 strcpy(v, vendor); 287 else 288 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 289 if (product != NULL && *product) 290 strcpy(p, product); 291 else 292 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 293 } 294 295 int 296 usbd_printBCD(char *cp, int bcd) 297 { 298 return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); 299 } 300 301 void 302 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp) 303 { 304 usb_device_descriptor_t *udd = &dev->ddesc; 305 char vendor[USB_MAX_STRING_LEN]; 306 char product[USB_MAX_STRING_LEN]; 307 int bcdDevice, bcdUSB; 308 309 usbd_devinfo_vp(dev, vendor, product, 1); 310 cp += sprintf(cp, "%s %s", vendor, product); 311 if (showclass) 312 cp += sprintf(cp, ", class %d/%d", 313 udd->bDeviceClass, udd->bDeviceSubClass); 314 bcdUSB = UGETW(udd->bcdUSB); 315 bcdDevice = UGETW(udd->bcdDevice); 316 cp += sprintf(cp, ", rev "); 317 cp += usbd_printBCD(cp, bcdUSB); 318 *cp++ = '/'; 319 cp += usbd_printBCD(cp, bcdDevice); 320 cp += sprintf(cp, ", addr %d", dev->address); 321 *cp = 0; 322 } 323 324 /* Delay for a certain number of ms */ 325 void 326 usb_delay_ms(usbd_bus_handle bus, u_int ms) 327 { 328 /* Wait at least two clock ticks so we know the time has passed. */ 329 if (bus->use_polling || cold) 330 delay((ms+1) * 1000); 331 else 332 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 333 } 334 335 /* Delay given a device handle. */ 336 void 337 usbd_delay_ms(usbd_device_handle dev, u_int ms) 338 { 339 usb_delay_ms(dev->bus, ms); 340 } 341 342 usbd_status 343 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 344 { 345 usb_device_request_t req; 346 usbd_status err; 347 int n; 348 349 req.bmRequestType = UT_WRITE_CLASS_OTHER; 350 req.bRequest = UR_SET_FEATURE; 351 USETW(req.wValue, UHF_PORT_RESET); 352 USETW(req.wIndex, port); 353 USETW(req.wLength, 0); 354 err = usbd_do_request(dev, &req, 0); 355 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 356 port, usbd_errstr(err))); 357 if (err) 358 return (err); 359 n = 10; 360 do { 361 /* Wait for device to recover from reset. */ 362 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 363 err = usbd_get_port_status(dev, port, ps); 364 if (err) { 365 DPRINTF(("usbd_reset_port: get status failed %d\n", 366 err)); 367 return (err); 368 } 369 /* If the device disappeared, just give up. */ 370 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 371 return (USBD_NORMAL_COMPLETION); 372 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 373 if (n == 0) 374 return (USBD_TIMEOUT); 375 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 376 #ifdef USB_DEBUG 377 if (err) 378 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 379 err)); 380 #endif 381 382 /* Wait for the device to recover from reset. */ 383 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 384 return (err); 385 } 386 387 usb_interface_descriptor_t * 388 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 389 { 390 char *p = (char *)cd; 391 char *end = p + UGETW(cd->wTotalLength); 392 usb_interface_descriptor_t *d; 393 int curidx, lastidx, curaidx = 0; 394 395 for (curidx = lastidx = -1; p < end; ) { 396 d = (usb_interface_descriptor_t *)p; 397 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 398 "type=%d\n", 399 ifaceidx, curidx, altidx, curaidx, 400 d->bLength, d->bDescriptorType)); 401 if (d->bLength == 0) /* bad descriptor */ 402 break; 403 p += d->bLength; 404 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 405 if (d->bInterfaceNumber != lastidx) { 406 lastidx = d->bInterfaceNumber; 407 curidx++; 408 curaidx = 0; 409 } else 410 curaidx++; 411 if (ifaceidx == curidx && altidx == curaidx) 412 return (d); 413 } 414 } 415 return (NULL); 416 } 417 418 usb_endpoint_descriptor_t * 419 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 420 int endptidx) 421 { 422 char *p = (char *)cd; 423 char *end = p + UGETW(cd->wTotalLength); 424 usb_interface_descriptor_t *d; 425 usb_endpoint_descriptor_t *e; 426 int curidx; 427 428 d = usbd_find_idesc(cd, ifaceidx, altidx); 429 if (d == NULL) 430 return (NULL); 431 if (endptidx >= d->bNumEndpoints) /* quick exit */ 432 return (NULL); 433 434 curidx = -1; 435 for (p = (char *)d + d->bLength; p < end; ) { 436 e = (usb_endpoint_descriptor_t *)p; 437 if (e->bLength == 0) /* bad descriptor */ 438 break; 439 p += e->bLength; 440 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 441 return (NULL); 442 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 443 curidx++; 444 if (curidx == endptidx) 445 return (e); 446 } 447 } 448 return (NULL); 449 } 450 451 usbd_status 452 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 453 { 454 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 455 usb_interface_descriptor_t *idesc; 456 char *p, *end; 457 int endpt, nendpt; 458 459 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 460 ifaceidx, altidx)); 461 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 462 if (idesc == NULL) 463 return (USBD_INVAL); 464 ifc->device = dev; 465 ifc->idesc = idesc; 466 ifc->index = ifaceidx; 467 ifc->altindex = altidx; 468 nendpt = ifc->idesc->bNumEndpoints; 469 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 470 if (nendpt != 0) { 471 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 472 M_USB, M_NOWAIT); 473 if (ifc->endpoints == NULL) 474 return (USBD_NOMEM); 475 } else 476 ifc->endpoints = NULL; 477 ifc->priv = NULL; 478 p = (char *)ifc->idesc + ifc->idesc->bLength; 479 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 480 #define ed ((usb_endpoint_descriptor_t *)p) 481 for (endpt = 0; endpt < nendpt; endpt++) { 482 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 483 for (; p < end; p += ed->bLength) { 484 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 485 "len=%d type=%d\n", 486 p, end, ed->bLength, ed->bDescriptorType)); 487 if (p + ed->bLength <= end && ed->bLength != 0 && 488 ed->bDescriptorType == UDESC_ENDPOINT) 489 goto found; 490 if (ed->bLength == 0 || 491 ed->bDescriptorType == UDESC_INTERFACE) 492 break; 493 } 494 /* passed end, or bad desc */ 495 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 496 ed->bLength == 0 ? "0 length" : 497 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 498 "out of data"); 499 goto bad; 500 found: 501 ifc->endpoints[endpt].edesc = ed; 502 if (dev->speed == USB_SPEED_HIGH) { 503 u_int mps; 504 /* Control and bulk endpoints have max packet limits. */ 505 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 506 case UE_CONTROL: 507 mps = USB_2_MAX_CTRL_PACKET; 508 goto check; 509 case UE_BULK: 510 mps = USB_2_MAX_BULK_PACKET; 511 check: 512 if (UGETW(ed->wMaxPacketSize) != mps) { 513 USETW(ed->wMaxPacketSize, mps); 514 #ifdef DIAGNOSTIC 515 printf("usbd_fill_iface_data: bad max " 516 "packet size\n"); 517 #endif 518 } 519 break; 520 default: 521 break; 522 } 523 } 524 ifc->endpoints[endpt].refcnt = 0; 525 p += ed->bLength; 526 } 527 #undef ed 528 LIST_INIT(&ifc->pipes); 529 return (USBD_NORMAL_COMPLETION); 530 531 bad: 532 if (ifc->endpoints != NULL) { 533 free(ifc->endpoints, M_USB); 534 ifc->endpoints = NULL; 535 } 536 return (USBD_INVAL); 537 } 538 539 void 540 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 541 { 542 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 543 if (ifc->endpoints) 544 free(ifc->endpoints, M_USB); 545 } 546 547 Static usbd_status 548 usbd_set_config(usbd_device_handle dev, int conf) 549 { 550 usb_device_request_t req; 551 552 req.bmRequestType = UT_WRITE_DEVICE; 553 req.bRequest = UR_SET_CONFIG; 554 USETW(req.wValue, conf); 555 USETW(req.wIndex, 0); 556 USETW(req.wLength, 0); 557 return (usbd_do_request(dev, &req, 0)); 558 } 559 560 usbd_status 561 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 562 { 563 int index; 564 usb_config_descriptor_t cd; 565 usbd_status err; 566 567 if (no == USB_UNCONFIG_NO) 568 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 569 570 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 571 /* Figure out what config index to use. */ 572 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 573 err = usbd_get_config_desc(dev, index, &cd); 574 if (err) 575 return (err); 576 if (cd.bConfigurationValue == no) 577 return (usbd_set_config_index(dev, index, msg)); 578 } 579 return (USBD_INVAL); 580 } 581 582 usbd_status 583 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 584 { 585 usb_status_t ds; 586 usb_config_descriptor_t cd, *cdp; 587 usbd_status err; 588 int i, ifcidx, nifc, len, selfpowered, power; 589 590 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 591 592 /* XXX check that all interfaces are idle */ 593 if (dev->config != USB_UNCONFIG_NO) { 594 DPRINTF(("usbd_set_config_index: free old config\n")); 595 /* Free all configuration data structures. */ 596 nifc = dev->cdesc->bNumInterface; 597 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 598 usbd_free_iface_data(dev, ifcidx); 599 free(dev->ifaces, M_USB); 600 free(dev->cdesc, M_USB); 601 dev->ifaces = NULL; 602 dev->cdesc = NULL; 603 dev->config = USB_UNCONFIG_NO; 604 } 605 606 if (index == USB_UNCONFIG_INDEX) { 607 /* We are unconfiguring the device, so leave unallocated. */ 608 DPRINTF(("usbd_set_config_index: set config 0\n")); 609 err = usbd_set_config(dev, USB_UNCONFIG_NO); 610 if (err) 611 DPRINTF(("usbd_set_config_index: setting config=0 " 612 "failed, error=%s\n", usbd_errstr(err))); 613 return (err); 614 } 615 616 /* Get the short descriptor. */ 617 err = usbd_get_config_desc(dev, index, &cd); 618 if (err) 619 return (err); 620 len = UGETW(cd.wTotalLength); 621 cdp = malloc(len, M_USB, M_NOWAIT); 622 if (cdp == NULL) 623 return (USBD_NOMEM); 624 625 /* Get the full descriptor. Try a few times for slow devices. */ 626 for (i = 0; i < 3; i++) { 627 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 628 if (!err) 629 break; 630 usbd_delay_ms(dev, 200); 631 } 632 if (err) 633 goto bad; 634 635 if (cdp->bDescriptorType != UDESC_CONFIG) { 636 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 637 cdp->bDescriptorType)); 638 err = USBD_INVAL; 639 goto bad; 640 } 641 642 /* Figure out if the device is self or bus powered. */ 643 selfpowered = 0; 644 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 645 (cdp->bmAttributes & UC_SELF_POWERED)) { 646 /* May be self powered. */ 647 if (cdp->bmAttributes & UC_BUS_POWERED) { 648 /* Must ask device. */ 649 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 650 /* 651 * Hub claims to be self powered, but isn't. 652 * It seems that the power status can be 653 * determined by the hub characteristics. 654 */ 655 usb_hub_descriptor_t hd; 656 usb_device_request_t req; 657 req.bmRequestType = UT_READ_CLASS_DEVICE; 658 req.bRequest = UR_GET_DESCRIPTOR; 659 USETW(req.wValue, 0); 660 USETW(req.wIndex, 0); 661 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 662 err = usbd_do_request(dev, &req, &hd); 663 if (!err && 664 (UGETW(hd.wHubCharacteristics) & 665 UHD_PWR_INDIVIDUAL)) 666 selfpowered = 1; 667 DPRINTF(("usbd_set_config_index: charac=0x%04x" 668 ", error=%s\n", 669 UGETW(hd.wHubCharacteristics), 670 usbd_errstr(err))); 671 } else { 672 err = usbd_get_device_status(dev, &ds); 673 if (!err && 674 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 675 selfpowered = 1; 676 DPRINTF(("usbd_set_config_index: status=0x%04x" 677 ", error=%s\n", 678 UGETW(ds.wStatus), usbd_errstr(err))); 679 } 680 } else 681 selfpowered = 1; 682 } 683 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 684 "selfpowered=%d, power=%d\n", 685 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 686 selfpowered, cdp->bMaxPower * 2)); 687 688 /* Check if we have enough power. */ 689 #ifdef USB_DEBUG 690 if (dev->powersrc == NULL) { 691 DPRINTF(("usbd_set_config_index: No power source?\n")); 692 return (USBD_IOERROR); 693 } 694 #endif 695 power = cdp->bMaxPower * 2; 696 if (power > dev->powersrc->power) { 697 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 698 /* XXX print nicer message. */ 699 if (msg) 700 printf("%s: device addr %d (config %d) exceeds power " 701 "budget, %d mA > %d mA\n", 702 USBDEVNAME(dev->bus->bdev), dev->address, 703 cdp->bConfigurationValue, 704 power, dev->powersrc->power); 705 err = USBD_NO_POWER; 706 goto bad; 707 } 708 dev->power = power; 709 dev->self_powered = selfpowered; 710 711 /* Set the actual configuration value. */ 712 DPRINTF(("usbd_set_config_index: set config %d\n", 713 cdp->bConfigurationValue)); 714 err = usbd_set_config(dev, cdp->bConfigurationValue); 715 if (err) { 716 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 717 "error=%s\n", 718 cdp->bConfigurationValue, usbd_errstr(err))); 719 goto bad; 720 } 721 722 /* Allocate and fill interface data. */ 723 nifc = cdp->bNumInterface; 724 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 725 M_USB, M_NOWAIT); 726 if (dev->ifaces == NULL) { 727 err = USBD_NOMEM; 728 goto bad; 729 } 730 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 731 dev->cdesc = cdp; 732 dev->config = cdp->bConfigurationValue; 733 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 734 err = usbd_fill_iface_data(dev, ifcidx, 0); 735 if (err) { 736 while (--ifcidx >= 0) 737 usbd_free_iface_data(dev, ifcidx); 738 goto bad; 739 } 740 } 741 742 return (USBD_NORMAL_COMPLETION); 743 744 bad: 745 free(cdp, M_USB); 746 return (err); 747 } 748 749 /* XXX add function for alternate settings */ 750 751 usbd_status 752 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 753 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 754 { 755 usbd_pipe_handle p; 756 usbd_status err; 757 758 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 759 dev, iface, ep, pipe)); 760 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 761 if (p == NULL) 762 return (USBD_NOMEM); 763 p->device = dev; 764 p->iface = iface; 765 p->endpoint = ep; 766 ep->refcnt++; 767 p->refcnt = 1; 768 p->intrxfer = 0; 769 p->running = 0; 770 p->aborting = 0; 771 p->repeat = 0; 772 p->interval = ival; 773 SIMPLEQ_INIT(&p->queue); 774 err = dev->bus->methods->open_pipe(p); 775 if (err) { 776 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 777 "%s\n", 778 ep->edesc->bEndpointAddress, usbd_errstr(err))); 779 free(p, M_USB); 780 return (err); 781 } 782 /* Clear any stall and make sure DATA0 toggle will be used next. */ 783 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) { 784 err = usbd_clear_endpoint_stall(p); 785 /* Some devices reject this command, so ignore a STALL. */ 786 if (err && err != USBD_STALLED) { 787 printf("usbd_setup_pipe: failed to start endpoint, %s\n", usbd_errstr(err)); 788 return (err); 789 } 790 } 791 *pipe = p; 792 return (USBD_NORMAL_COMPLETION); 793 } 794 795 /* Abort the device control pipe. */ 796 void 797 usbd_kill_pipe(usbd_pipe_handle pipe) 798 { 799 usbd_abort_pipe(pipe); 800 pipe->methods->close(pipe); 801 pipe->endpoint->refcnt--; 802 free(pipe, M_USB); 803 } 804 805 int 806 usbd_getnewaddr(usbd_bus_handle bus) 807 { 808 int addr; 809 810 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 811 if (bus->devices[addr] == 0) 812 return (addr); 813 return (-1); 814 } 815 816 817 usbd_status 818 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 819 int port, int addr) 820 { 821 struct usb_attach_arg uaa; 822 usb_device_descriptor_t *dd = &dev->ddesc; 823 int found, i, confi, nifaces; 824 usbd_status err; 825 device_ptr_t dv; 826 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 827 828 #if defined(__FreeBSD__) 829 /* 830 * XXX uaa is a static var. Not a problem as it _should_ be used only 831 * during probe and attach. Should be changed however. 832 */ 833 device_t bdev; 834 bdev = device_add_child(parent, NULL, -1, &uaa); 835 if (!bdev) { 836 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 837 return (USBD_INVAL); 838 } 839 device_quiet(bdev); 840 #endif 841 842 uaa.device = dev; 843 uaa.iface = NULL; 844 uaa.ifaces = NULL; 845 uaa.nifaces = 0; 846 uaa.usegeneric = 0; 847 uaa.port = port; 848 uaa.configno = UHUB_UNK_CONFIGURATION; 849 uaa.ifaceno = UHUB_UNK_INTERFACE; 850 uaa.vendor = UGETW(dd->idVendor); 851 uaa.product = UGETW(dd->idProduct); 852 uaa.release = UGETW(dd->bcdDevice); 853 854 /* First try with device specific drivers. */ 855 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 856 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 857 if (dv) { 858 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 859 if (dev->subdevs == NULL) 860 return (USBD_NOMEM); 861 dev->subdevs[0] = dv; 862 dev->subdevs[1] = 0; 863 return (USBD_NORMAL_COMPLETION); 864 } 865 866 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 867 868 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 869 dd->bNumConfigurations)); 870 /* Next try with interface drivers. */ 871 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 872 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 873 confi)); 874 err = usbd_set_config_index(dev, confi, 1); 875 if (err) { 876 #ifdef USB_DEBUG 877 DPRINTF(("%s: port %d, set config at addr %d failed, " 878 "error=%s\n", USBDEVPTRNAME(parent), port, 879 addr, usbd_errstr(err))); 880 #else 881 printf("%s: port %d, set config at addr %d failed\n", 882 USBDEVPTRNAME(parent), port, addr); 883 #endif 884 #if defined(__FreeBSD__) 885 device_delete_child(parent, bdev); 886 #endif 887 888 return (err); 889 } 890 nifaces = dev->cdesc->bNumInterface; 891 uaa.configno = dev->cdesc->bConfigurationValue; 892 for (i = 0; i < nifaces; i++) 893 ifaces[i] = &dev->ifaces[i]; 894 uaa.ifaces = ifaces; 895 uaa.nifaces = nifaces; 896 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 897 if (dev->subdevs == NULL) { 898 #if defined(__FreeBSD__) 899 device_delete_child(parent, bdev); 900 #endif 901 return (USBD_NOMEM); 902 } 903 904 found = 0; 905 for (i = 0; i < nifaces; i++) { 906 if (ifaces[i] == NULL) 907 continue; /* interface already claimed */ 908 uaa.iface = ifaces[i]; 909 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 910 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 911 usbd_submatch); 912 if (dv != NULL) { 913 dev->subdevs[found++] = dv; 914 dev->subdevs[found] = 0; 915 ifaces[i] = 0; /* consumed */ 916 917 #if defined(__FreeBSD__) 918 /* create another child for the next iface */ 919 bdev = device_add_child(parent, NULL, -1,&uaa); 920 if (!bdev) { 921 printf("%s: Device creation failed\n", 922 USBDEVNAME(dev->bus->bdev)); 923 return (USBD_NORMAL_COMPLETION); 924 } 925 device_quiet(bdev); 926 #endif 927 } 928 } 929 if (found != 0) { 930 #if defined(__FreeBSD__) 931 /* remove the last created child again; it is unused */ 932 device_delete_child(parent, bdev); 933 #endif 934 return (USBD_NORMAL_COMPLETION); 935 } 936 free(dev->subdevs, M_USB); 937 dev->subdevs = 0; 938 } 939 /* No interfaces were attached in any of the configurations. */ 940 941 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 942 usbd_set_config_index(dev, 0, 0); 943 944 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 945 946 /* Finally try the generic driver. */ 947 uaa.iface = NULL; 948 uaa.usegeneric = 1; 949 uaa.configno = UHUB_UNK_CONFIGURATION; 950 uaa.ifaceno = UHUB_UNK_INTERFACE; 951 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 952 if (dv != NULL) { 953 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 954 if (dev->subdevs == 0) 955 return (USBD_NOMEM); 956 dev->subdevs[0] = dv; 957 dev->subdevs[1] = 0; 958 return (USBD_NORMAL_COMPLETION); 959 } 960 961 /* 962 * The generic attach failed, but leave the device as it is. 963 * We just did not find any drivers, that's all. The device is 964 * fully operational and not harming anyone. 965 */ 966 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 967 #if defined(__FreeBSD__) 968 device_delete_child(parent, bdev); 969 #endif 970 return (USBD_NORMAL_COMPLETION); 971 } 972 973 974 /* 975 * Called when a new device has been put in the powered state, 976 * but not yet in the addressed state. 977 * Get initial descriptor, set the address, get full descriptor, 978 * and attach a driver. 979 */ 980 usbd_status 981 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 982 int speed, int port, struct usbd_port *up) 983 { 984 usbd_device_handle dev; 985 struct usbd_device *hub; 986 usb_device_descriptor_t *dd; 987 usb_port_status_t ps; 988 usbd_status err; 989 int addr; 990 int i; 991 992 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 993 bus, port, depth, speed)); 994 addr = usbd_getnewaddr(bus); 995 if (addr < 0) { 996 printf("%s: No free USB addresses, new device ignored.\n", 997 USBDEVNAME(bus->bdev)); 998 return (USBD_NO_ADDR); 999 } 1000 1001 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 1002 if (dev == NULL) 1003 return (USBD_NOMEM); 1004 1005 dev->bus = bus; 1006 1007 /* Set up default endpoint handle. */ 1008 dev->def_ep.edesc = &dev->def_ep_desc; 1009 1010 /* Set up default endpoint descriptor. */ 1011 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1012 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1013 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1014 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1015 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1016 dev->def_ep_desc.bInterval = 0; 1017 1018 dev->quirks = &usbd_no_quirk; 1019 dev->address = USB_START_ADDR; 1020 dev->ddesc.bMaxPacketSize = 0; 1021 dev->depth = depth; 1022 dev->powersrc = up; 1023 dev->myhub = up->parent; 1024 for (hub = up->parent; 1025 hub != NULL && hub->speed != USB_SPEED_HIGH; 1026 hub = hub->myhub) 1027 ; 1028 dev->myhighhub = hub; 1029 dev->speed = speed; 1030 dev->langid = USBD_NOLANG; 1031 dev->cookie.cookie = ++usb_cookie_no; 1032 1033 /* Establish the default pipe. */ 1034 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1035 &dev->default_pipe); 1036 if (err) { 1037 usbd_remove_device(dev, up); 1038 return (err); 1039 } 1040 1041 up->device = dev; 1042 dd = &dev->ddesc; 1043 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1044 for (i = 0; i < 10; i++) { 1045 /* Get the first 8 bytes of the device descriptor. */ 1046 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1047 if (!err) 1048 break; 1049 usbd_delay_ms(dev, 200); 1050 if ((i & 3) == 3) 1051 usbd_reset_port(up->parent, port, &ps); 1052 } 1053 if (err) { 1054 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1055 "failed\n", addr)); 1056 usbd_remove_device(dev, up); 1057 return (err); 1058 } 1059 1060 if (speed == USB_SPEED_HIGH) { 1061 /* Max packet size must be 64 (sec 5.5.3). */ 1062 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1063 #ifdef DIAGNOSTIC 1064 printf("usbd_new_device: addr=%d bad max packet size\n", 1065 addr); 1066 #endif 1067 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1068 } 1069 } 1070 1071 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1072 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1073 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1074 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1075 dev->speed)); 1076 1077 if (dd->bDescriptorType != UDESC_DEVICE) { 1078 /* Illegal device descriptor */ 1079 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1080 dd->bDescriptorType)); 1081 usbd_remove_device(dev, up); 1082 return (USBD_INVAL); 1083 } 1084 1085 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1086 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1087 usbd_remove_device(dev, up); 1088 return (USBD_INVAL); 1089 } 1090 1091 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1092 1093 err = usbd_reload_device_desc(dev); 1094 if (err) { 1095 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1096 "failed\n", addr)); 1097 usbd_remove_device(dev, up); 1098 return (err); 1099 } 1100 1101 /* Set the address */ 1102 err = usbd_set_address(dev, addr); 1103 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1104 if (err) { 1105 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1106 err = USBD_SET_ADDR_FAILED; 1107 usbd_remove_device(dev, up); 1108 return (err); 1109 } 1110 /* Allow device time to set new address */ 1111 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1112 1113 dev->address = addr; /* New device address now */ 1114 bus->devices[addr] = dev; 1115 1116 /* Assume 100mA bus powered for now. Changed when configured. */ 1117 dev->power = USB_MIN_POWER; 1118 dev->self_powered = 0; 1119 1120 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1121 addr, dev, parent)); 1122 1123 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1124 1125 err = usbd_probe_and_attach(parent, dev, port, addr); 1126 if (err) { 1127 usbd_remove_device(dev, up); 1128 return (err); 1129 } 1130 1131 return (USBD_NORMAL_COMPLETION); 1132 } 1133 1134 usbd_status 1135 usbd_reload_device_desc(usbd_device_handle dev) 1136 { 1137 usbd_status err; 1138 1139 /* Get the full device descriptor. */ 1140 err = usbd_get_device_desc(dev, &dev->ddesc); 1141 if (err) 1142 return (err); 1143 1144 /* Figure out what's wrong with this device. */ 1145 dev->quirks = usbd_find_quirk(&dev->ddesc); 1146 1147 return (USBD_NORMAL_COMPLETION); 1148 } 1149 1150 void 1151 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1152 { 1153 DPRINTF(("usbd_remove_device: %p\n", dev)); 1154 1155 if (dev->default_pipe != NULL) 1156 usbd_kill_pipe(dev->default_pipe); 1157 up->device = 0; 1158 dev->bus->devices[dev->address] = 0; 1159 1160 free(dev, M_USB); 1161 } 1162 1163 #if defined(__NetBSD__) || defined(__OpenBSD__) 1164 int 1165 usbd_print(void *aux, const char *pnp) 1166 { 1167 struct usb_attach_arg *uaa = aux; 1168 char devinfo[1024]; 1169 1170 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1171 if (pnp) { 1172 if (!uaa->usegeneric) 1173 return (QUIET); 1174 usbd_devinfo(uaa->device, 1, devinfo); 1175 aprint_normal("%s, %s", devinfo, pnp); 1176 } 1177 if (uaa->port != 0) 1178 aprint_normal(" port %d", uaa->port); 1179 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1180 aprint_normal(" configuration %d", uaa->configno); 1181 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1182 aprint_normal(" interface %d", uaa->ifaceno); 1183 #if 0 1184 /* 1185 * It gets very crowded with these locators on the attach line. 1186 * They are not really needed since they are printed in the clear 1187 * by each driver. 1188 */ 1189 if (uaa->vendor != UHUB_UNK_VENDOR) 1190 aprint_normal(" vendor 0x%04x", uaa->vendor); 1191 if (uaa->product != UHUB_UNK_PRODUCT) 1192 aprint_normal(" product 0x%04x", uaa->product); 1193 if (uaa->release != UHUB_UNK_RELEASE) 1194 aprint_normal(" release 0x%04x", uaa->release); 1195 #endif 1196 return (UNCONF); 1197 } 1198 1199 #if defined(__NetBSD__) 1200 int 1201 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1202 { 1203 #elif defined(__OpenBSD__) 1204 int 1205 usbd_submatch(struct device *parent, void *match, void *aux) 1206 { 1207 struct cfdata *cf = match; 1208 #endif 1209 struct usb_attach_arg *uaa = aux; 1210 1211 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1212 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1213 uaa->port, cf->uhubcf_port, 1214 uaa->configno, cf->uhubcf_configuration, 1215 uaa->ifaceno, cf->uhubcf_interface, 1216 uaa->vendor, cf->uhubcf_vendor, 1217 uaa->product, cf->uhubcf_product, 1218 uaa->release, cf->uhubcf_release)); 1219 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1220 ((uaa->port != 0 && 1221 cf->uhubcf_port != UHUB_UNK_PORT && 1222 cf->uhubcf_port != uaa->port) || 1223 (uaa->configno != UHUB_UNK_CONFIGURATION && 1224 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1225 cf->uhubcf_configuration != uaa->configno) || 1226 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1227 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1228 cf->uhubcf_interface != uaa->ifaceno) || 1229 (uaa->vendor != UHUB_UNK_VENDOR && 1230 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1231 cf->uhubcf_vendor != uaa->vendor) || 1232 (uaa->product != UHUB_UNK_PRODUCT && 1233 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1234 cf->uhubcf_product != uaa->product) || 1235 (uaa->release != UHUB_UNK_RELEASE && 1236 cf->uhubcf_release != UHUB_UNK_RELEASE && 1237 cf->uhubcf_release != uaa->release) 1238 ) 1239 ) 1240 return 0; 1241 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1242 cf->uhubcf_vendor == uaa->vendor && 1243 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1244 cf->uhubcf_product == uaa->product) { 1245 /* We have a vendor&product locator match */ 1246 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1247 cf->uhubcf_release == uaa->release) 1248 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1249 else 1250 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1251 } else 1252 uaa->matchlvl = 0; 1253 return (config_match(parent, cf, aux)); 1254 } 1255 1256 #endif 1257 1258 void 1259 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1260 int usedev) 1261 { 1262 struct usbd_port *p; 1263 int i, err, s; 1264 1265 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1266 di->udi_addr = dev->address; 1267 di->udi_cookie = dev->cookie; 1268 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1269 usbd_printBCD(di->udi_release, UGETW(dev->ddesc.bcdDevice)); 1270 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1271 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1272 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1273 di->udi_class = dev->ddesc.bDeviceClass; 1274 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1275 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1276 di->udi_config = dev->config; 1277 di->udi_power = dev->self_powered ? 0 : dev->power; 1278 di->udi_speed = dev->speed; 1279 1280 if (dev->subdevs != NULL) { 1281 for (i = 0; dev->subdevs[i] && 1282 i < USB_MAX_DEVNAMES; i++) { 1283 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1284 USB_MAX_DEVNAMELEN); 1285 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1286 } 1287 } else { 1288 i = 0; 1289 } 1290 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1291 di->udi_devnames[i][0] = 0; /* empty */ 1292 1293 if (dev->hub) { 1294 for (i = 0; 1295 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1296 i < dev->hub->hubdesc.bNbrPorts; 1297 i++) { 1298 p = &dev->hub->ports[i]; 1299 if (p->device) 1300 err = p->device->address; 1301 else { 1302 s = UGETW(p->status.wPortStatus); 1303 if (s & UPS_PORT_ENABLED) 1304 err = USB_PORT_ENABLED; 1305 else if (s & UPS_SUSPEND) 1306 err = USB_PORT_SUSPENDED; 1307 else if (s & UPS_PORT_POWER) 1308 err = USB_PORT_POWERED; 1309 else 1310 err = USB_PORT_DISABLED; 1311 } 1312 di->udi_ports[i] = err; 1313 } 1314 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1315 } else 1316 di->udi_nports = 0; 1317 } 1318 1319 void 1320 usb_free_device(usbd_device_handle dev) 1321 { 1322 int ifcidx, nifc; 1323 1324 if (dev->default_pipe != NULL) 1325 usbd_kill_pipe(dev->default_pipe); 1326 if (dev->ifaces != NULL) { 1327 nifc = dev->cdesc->bNumInterface; 1328 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1329 usbd_free_iface_data(dev, ifcidx); 1330 free(dev->ifaces, M_USB); 1331 } 1332 if (dev->cdesc != NULL) 1333 free(dev->cdesc, M_USB); 1334 if (dev->subdevs != NULL) 1335 free(dev->subdevs, M_USB); 1336 free(dev, M_USB); 1337 } 1338 1339 /* 1340 * The general mechanism for detaching drivers works as follows: Each 1341 * driver is responsible for maintaining a reference count on the 1342 * number of outstanding references to its softc (e.g. from 1343 * processing hanging in a read or write). The detach method of the 1344 * driver decrements this counter and flags in the softc that the 1345 * driver is dying and then wakes any sleepers. It then sleeps on the 1346 * softc. Each place that can sleep must maintain the reference 1347 * count. When the reference count drops to -1 (0 is the normal value 1348 * of the reference count) the a wakeup on the softc is performed 1349 * signaling to the detach waiter that all references are gone. 1350 */ 1351 1352 /* 1353 * Called from process context when we discover that a port has 1354 * been disconnected. 1355 */ 1356 void 1357 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1358 { 1359 usbd_device_handle dev = up->device; 1360 char *hubname = USBDEVPTRNAME(parent); 1361 int i; 1362 1363 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1364 up, dev, up->portno)); 1365 1366 #ifdef DIAGNOSTIC 1367 if (dev == NULL) { 1368 printf("usb_disconnect_port: no device\n"); 1369 return; 1370 } 1371 #endif 1372 1373 if (dev->subdevs != NULL) { 1374 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1375 for (i = 0; dev->subdevs[i]; i++) { 1376 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1377 hubname); 1378 if (up->portno != 0) 1379 printf(" port %d", up->portno); 1380 printf(" (addr %d) disconnected\n", dev->address); 1381 config_detach(dev->subdevs[i], DETACH_FORCE); 1382 } 1383 } 1384 1385 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1386 dev->bus->devices[dev->address] = NULL; 1387 up->device = NULL; 1388 usb_free_device(dev); 1389 } 1390 1391 #ifdef __OpenBSD__ 1392 void *usb_realloc(void *p, u_int size, int pool, int flags) 1393 { 1394 void *q; 1395 1396 q = malloc(size, pool, flags); 1397 if (q == NULL) 1398 return (NULL); 1399 bcopy(p, q, size); 1400 free(p, pool); 1401 return (q); 1402 } 1403 #endif 1404