1 /* $OpenBSD: usb_subr.c,v 1.18 2001/10/31 04:24:44 nate Exp $ */ 2 /* $NetBSD: usb_subr.c,v 1.87 2001/08/15 00:04:59 augustss Exp $ */ 3 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ 4 5 /* 6 * Copyright (c) 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Lennart Augustsson (lennart@augustsson.net) at 11 * Carlstedt Research & Technology. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/kernel.h> 45 #include <sys/malloc.h> 46 #if defined(__NetBSD__) || defined(__OpenBSD__) 47 #include <sys/device.h> 48 #include <sys/select.h> 49 #elif defined(__FreeBSD__) 50 #include <sys/module.h> 51 #include <sys/bus.h> 52 #endif 53 #include <sys/proc.h> 54 55 #include <machine/bus.h> 56 57 #include <dev/usb/usb.h> 58 59 #include <dev/usb/usbdi.h> 60 #include <dev/usb/usbdi_util.h> 61 #include <dev/usb/usbdivar.h> 62 #include <dev/usb/usbdevs.h> 63 #include <dev/usb/usb_quirks.h> 64 65 #if defined(__FreeBSD__) 66 #include <machine/clock.h> 67 #define delay(d) DELAY(d) 68 #endif 69 70 #ifdef USB_DEBUG 71 #define DPRINTF(x) if (usbdebug) logprintf x 72 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 73 extern int usbdebug; 74 #else 75 #define DPRINTF(x) 76 #define DPRINTFN(n,x) 77 #endif 78 79 Static usbd_status usbd_set_config(usbd_device_handle, int); 80 Static void usbd_devinfo_vp(usbd_device_handle, char *, char *, int); 81 Static char *usbd_get_string(usbd_device_handle, int, char *); 82 Static int usbd_getnewaddr(usbd_bus_handle bus); 83 #if defined(__NetBSD__) 84 Static int usbd_print(void *aux, const char *pnp); 85 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 86 #elif defined(__OpenBSD__) 87 Static int usbd_print(void *aux, const char *pnp); 88 Static int usbd_submatch(device_ptr_t, void *, void *); 89 #endif 90 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 91 Static void usbd_kill_pipe(usbd_pipe_handle); 92 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 93 usbd_device_handle dev, int port, int addr); 94 95 Static u_int32_t usb_cookie_no = 0; 96 97 #ifdef USBVERBOSE 98 typedef u_int16_t usb_vendor_id_t; 99 typedef u_int16_t usb_product_id_t; 100 101 /* 102 * Descriptions of of known vendors and devices ("products"). 103 */ 104 struct usb_knowndev { 105 usb_vendor_id_t vendor; 106 usb_product_id_t product; 107 int flags; 108 char *vendorname, *productname; 109 }; 110 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 111 112 #include <dev/usb/usbdevs_data.h> 113 #endif /* USBVERBOSE */ 114 115 Static const char * const usbd_error_strs[] = { 116 "NORMAL_COMPLETION", 117 "IN_PROGRESS", 118 "PENDING_REQUESTS", 119 "NOT_STARTED", 120 "INVAL", 121 "NOMEM", 122 "CANCELLED", 123 "BAD_ADDRESS", 124 "IN_USE", 125 "NO_ADDR", 126 "SET_ADDR_FAILED", 127 "NO_POWER", 128 "TOO_DEEP", 129 "IOERROR", 130 "NOT_CONFIGURED", 131 "TIMEOUT", 132 "SHORT_XFER", 133 "STALLED", 134 "INTERRUPTED", 135 "XXX", 136 }; 137 138 const char * 139 usbd_errstr(usbd_status err) 140 { 141 static char buffer[5]; 142 143 if (err < USBD_ERROR_MAX) { 144 return usbd_error_strs[err]; 145 } else { 146 snprintf(buffer, sizeof buffer, "%d", err); 147 return buffer; 148 } 149 } 150 151 usbd_status 152 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 153 usb_string_descriptor_t *sdesc) 154 { 155 usb_device_request_t req; 156 usbd_status err; 157 158 req.bmRequestType = UT_READ_DEVICE; 159 req.bRequest = UR_GET_DESCRIPTOR; 160 USETW2(req.wValue, UDESC_STRING, sindex); 161 USETW(req.wIndex, langid); 162 USETW(req.wLength, 1); /* only size byte first */ 163 err = usbd_do_request(dev, &req, sdesc); 164 if (err) 165 return (err); 166 USETW(req.wLength, sdesc->bLength); /* the whole string */ 167 return (usbd_do_request(dev, &req, sdesc)); 168 } 169 170 char * 171 usbd_get_string(usbd_device_handle dev, int si, char *buf) 172 { 173 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 174 usb_string_descriptor_t us; 175 char *s; 176 int i, n; 177 u_int16_t c; 178 usbd_status err; 179 180 if (si == 0) 181 return (0); 182 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 183 return (0); 184 if (dev->langid == USBD_NOLANG) { 185 /* Set up default language */ 186 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 187 if (err || us.bLength < 4) { 188 dev->langid = 0; /* Well, just pick English then */ 189 } else { 190 /* Pick the first language as the default. */ 191 dev->langid = UGETW(us.bString[0]); 192 } 193 } 194 err = usbd_get_string_desc(dev, si, dev->langid, &us); 195 if (err) 196 return (0); 197 s = buf; 198 n = us.bLength / 2 - 1; 199 for (i = 0; i < n; i++) { 200 c = UGETW(us.bString[i]); 201 /* Convert from Unicode, handle buggy strings. */ 202 if ((c & 0xff00) == 0) 203 *s++ = c; 204 else if ((c & 0x00ff) == 0 && swap) 205 *s++ = c >> 8; 206 else 207 *s++ = '?'; 208 } 209 *s++ = 0; 210 return (buf); 211 } 212 213 static void 214 usbd_trim_spaces(char *p) 215 { 216 char *q, *e; 217 218 if (p == NULL) 219 return; 220 q = e = p; 221 while (*q == ' ') /* skip leading spaces */ 222 q++; 223 while ((*p = *q++)) /* copy string */ 224 if (*p++ != ' ') /* remember last non-space */ 225 e = p; 226 *e = 0; /* kill trailing spaces */ 227 } 228 229 void 230 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev) 231 { 232 usb_device_descriptor_t *udd = &dev->ddesc; 233 char *vendor = 0, *product = 0; 234 #ifdef USBVERBOSE 235 const struct usb_knowndev *kdp; 236 #endif 237 238 if (dev == NULL) { 239 v[0] = p[0] = '\0'; 240 return; 241 } 242 243 if (usedev) { 244 vendor = usbd_get_string(dev, udd->iManufacturer, v); 245 usbd_trim_spaces(vendor); 246 product = usbd_get_string(dev, udd->iProduct, p); 247 usbd_trim_spaces(product); 248 } else { 249 vendor = NULL; 250 product = NULL; 251 } 252 #ifdef USBVERBOSE 253 if (vendor == NULL || product == NULL) { 254 for(kdp = usb_knowndevs; 255 kdp->vendorname != NULL; 256 kdp++) { 257 if (kdp->vendor == UGETW(udd->idVendor) && 258 (kdp->product == UGETW(udd->idProduct) || 259 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 260 break; 261 } 262 if (kdp->vendorname != NULL) { 263 if (vendor == NULL) 264 vendor = kdp->vendorname; 265 if (product == NULL) 266 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 267 kdp->productname : NULL; 268 } 269 } 270 #endif 271 if (vendor != NULL && *vendor) 272 strcpy(v, vendor); 273 else 274 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 275 if (product != NULL && *product) 276 strcpy(p, product); 277 else 278 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 279 } 280 281 int 282 usbd_printBCD(char *cp, int bcd) 283 { 284 return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); 285 } 286 287 void 288 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp) 289 { 290 usb_device_descriptor_t *udd = &dev->ddesc; 291 char vendor[USB_MAX_STRING_LEN]; 292 char product[USB_MAX_STRING_LEN]; 293 int bcdDevice, bcdUSB; 294 295 usbd_devinfo_vp(dev, vendor, product, 1); 296 cp += sprintf(cp, "%s %s", vendor, product); 297 if (showclass) 298 cp += sprintf(cp, ", class %d/%d", 299 udd->bDeviceClass, udd->bDeviceSubClass); 300 bcdUSB = UGETW(udd->bcdUSB); 301 bcdDevice = UGETW(udd->bcdDevice); 302 cp += sprintf(cp, ", rev "); 303 cp += usbd_printBCD(cp, bcdUSB); 304 *cp++ = '/'; 305 cp += usbd_printBCD(cp, bcdDevice); 306 cp += sprintf(cp, ", addr %d", dev->address); 307 *cp = 0; 308 } 309 310 /* Delay for a certain number of ms */ 311 void 312 usb_delay_ms(usbd_bus_handle bus, u_int ms) 313 { 314 /* Wait at least two clock ticks so we know the time has passed. */ 315 if (bus->use_polling || cold) 316 delay((ms+1) * 1000); 317 else 318 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 319 } 320 321 /* Delay given a device handle. */ 322 void 323 usbd_delay_ms(usbd_device_handle dev, u_int ms) 324 { 325 usb_delay_ms(dev->bus, ms); 326 } 327 328 usbd_status 329 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 330 { 331 usb_device_request_t req; 332 usbd_status err; 333 int n; 334 335 req.bmRequestType = UT_WRITE_CLASS_OTHER; 336 req.bRequest = UR_SET_FEATURE; 337 USETW(req.wValue, UHF_PORT_RESET); 338 USETW(req.wIndex, port); 339 USETW(req.wLength, 0); 340 err = usbd_do_request(dev, &req, 0); 341 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 342 port, usbd_errstr(err))); 343 if (err) 344 return (err); 345 n = 10; 346 do { 347 /* Wait for device to recover from reset. */ 348 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 349 err = usbd_get_port_status(dev, port, ps); 350 if (err) { 351 DPRINTF(("usbd_reset_port: get status failed %d\n", 352 err)); 353 return (err); 354 } 355 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 356 if (n == 0) 357 return (USBD_TIMEOUT); 358 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 359 #ifdef USB_DEBUG 360 if (err) 361 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 362 err)); 363 #endif 364 365 /* Wait for the device to recover from reset. */ 366 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 367 return (err); 368 } 369 370 usb_interface_descriptor_t * 371 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 372 { 373 char *p = (char *)cd; 374 char *end = p + UGETW(cd->wTotalLength); 375 usb_interface_descriptor_t *d; 376 int curidx, lastidx, curaidx = 0; 377 378 for (curidx = lastidx = -1; p < end; ) { 379 d = (usb_interface_descriptor_t *)p; 380 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 381 "type=%d\n", 382 ifaceidx, curidx, altidx, curaidx, 383 d->bLength, d->bDescriptorType)); 384 if (d->bLength == 0) /* bad descriptor */ 385 break; 386 p += d->bLength; 387 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 388 if (d->bInterfaceNumber != lastidx) { 389 lastidx = d->bInterfaceNumber; 390 curidx++; 391 curaidx = 0; 392 } else 393 curaidx++; 394 if (ifaceidx == curidx && altidx == curaidx) 395 return (d); 396 } 397 } 398 return (NULL); 399 } 400 401 usb_endpoint_descriptor_t * 402 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 403 int endptidx) 404 { 405 char *p = (char *)cd; 406 char *end = p + UGETW(cd->wTotalLength); 407 usb_interface_descriptor_t *d; 408 usb_endpoint_descriptor_t *e; 409 int curidx; 410 411 d = usbd_find_idesc(cd, ifaceidx, altidx); 412 if (d == NULL) 413 return (NULL); 414 if (endptidx >= d->bNumEndpoints) /* quick exit */ 415 return (NULL); 416 417 curidx = -1; 418 for (p = (char *)d + d->bLength; p < end; ) { 419 e = (usb_endpoint_descriptor_t *)p; 420 if (e->bLength == 0) /* bad descriptor */ 421 break; 422 p += e->bLength; 423 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 424 return (NULL); 425 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 426 curidx++; 427 if (curidx == endptidx) 428 return (e); 429 } 430 } 431 return (NULL); 432 } 433 434 usbd_status 435 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 436 { 437 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 438 usb_interface_descriptor_t *idesc; 439 char *p, *end; 440 int endpt, nendpt; 441 442 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 443 ifaceidx, altidx)); 444 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 445 if (idesc == NULL) 446 return (USBD_INVAL); 447 ifc->device = dev; 448 ifc->idesc = idesc; 449 ifc->index = ifaceidx; 450 ifc->altindex = altidx; 451 nendpt = ifc->idesc->bNumEndpoints; 452 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 453 if (nendpt != 0) { 454 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 455 M_USB, M_NOWAIT); 456 if (ifc->endpoints == NULL) 457 return (USBD_NOMEM); 458 } else 459 ifc->endpoints = NULL; 460 ifc->priv = NULL; 461 p = (char *)ifc->idesc + ifc->idesc->bLength; 462 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 463 #define ed ((usb_endpoint_descriptor_t *)p) 464 for (endpt = 0; endpt < nendpt; endpt++) { 465 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 466 for (; p < end; p += ed->bLength) { 467 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 468 "len=%d type=%d\n", 469 p, end, ed->bLength, ed->bDescriptorType)); 470 if (p + ed->bLength <= end && ed->bLength != 0 && 471 ed->bDescriptorType == UDESC_ENDPOINT) 472 goto found; 473 if (ed->bLength == 0 || 474 ed->bDescriptorType == UDESC_INTERFACE) 475 break; 476 } 477 /* passed end, or bad desc */ 478 DPRINTF(("usbd_fill_iface_data: bad descriptor(s): %s\n", 479 ed->bLength == 0 ? "0 length" : 480 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 481 "out of data")); 482 goto bad; 483 found: 484 ifc->endpoints[endpt].edesc = ed; 485 ifc->endpoints[endpt].refcnt = 0; 486 p += ed->bLength; 487 } 488 #undef ed 489 LIST_INIT(&ifc->pipes); 490 return (USBD_NORMAL_COMPLETION); 491 492 bad: 493 if (ifc->endpoints != NULL) { 494 free(ifc->endpoints, M_USB); 495 ifc->endpoints = NULL; 496 } 497 return (USBD_INVAL); 498 } 499 500 void 501 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 502 { 503 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 504 if (ifc->endpoints) 505 free(ifc->endpoints, M_USB); 506 } 507 508 Static usbd_status 509 usbd_set_config(usbd_device_handle dev, int conf) 510 { 511 usb_device_request_t req; 512 513 req.bmRequestType = UT_WRITE_DEVICE; 514 req.bRequest = UR_SET_CONFIG; 515 USETW(req.wValue, conf); 516 USETW(req.wIndex, 0); 517 USETW(req.wLength, 0); 518 return (usbd_do_request(dev, &req, 0)); 519 } 520 521 usbd_status 522 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 523 { 524 int index; 525 usb_config_descriptor_t cd; 526 usbd_status err; 527 528 if (no == USB_UNCONFIG_NO) 529 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 530 531 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 532 /* Figure out what config index to use. */ 533 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 534 err = usbd_get_config_desc(dev, index, &cd); 535 if (err) 536 return (err); 537 if (cd.bConfigurationValue == no) 538 return (usbd_set_config_index(dev, index, msg)); 539 } 540 return (USBD_INVAL); 541 } 542 543 usbd_status 544 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 545 { 546 usb_status_t ds; 547 usb_config_descriptor_t cd, *cdp; 548 usbd_status err; 549 int ifcidx, nifc, len, selfpowered, power; 550 551 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 552 553 /* XXX check that all interfaces are idle */ 554 if (dev->config != USB_UNCONFIG_NO) { 555 DPRINTF(("usbd_set_config_index: free old config\n")); 556 /* Free all configuration data structures. */ 557 nifc = dev->cdesc->bNumInterface; 558 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 559 usbd_free_iface_data(dev, ifcidx); 560 free(dev->ifaces, M_USB); 561 free(dev->cdesc, M_USB); 562 dev->ifaces = NULL; 563 dev->cdesc = NULL; 564 dev->config = USB_UNCONFIG_NO; 565 } 566 567 if (index == USB_UNCONFIG_INDEX) { 568 /* We are unconfiguring the device, so leave unallocated. */ 569 DPRINTF(("usbd_set_config_index: set config 0\n")); 570 err = usbd_set_config(dev, USB_UNCONFIG_NO); 571 if (err) 572 DPRINTF(("usbd_set_config_index: setting config=0 " 573 "failed, error=%s\n", usbd_errstr(err))); 574 return (err); 575 } 576 577 /* Get the short descriptor. */ 578 err = usbd_get_config_desc(dev, index, &cd); 579 if (err) 580 return (err); 581 len = UGETW(cd.wTotalLength); 582 cdp = malloc(len, M_USB, M_NOWAIT); 583 if (cdp == NULL) 584 return (USBD_NOMEM); 585 /* Get the full descriptor. */ 586 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 587 if (err) 588 goto bad; 589 if (cdp->bDescriptorType != UDESC_CONFIG) { 590 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 591 cdp->bDescriptorType)); 592 err = USBD_INVAL; 593 goto bad; 594 } 595 596 /* Figure out if the device is self or bus powered. */ 597 selfpowered = 0; 598 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 599 (cdp->bmAttributes & UC_SELF_POWERED)) { 600 /* May be self powered. */ 601 if (cdp->bmAttributes & UC_BUS_POWERED) { 602 /* Must ask device. */ 603 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 604 /* 605 * Hub claims to be self powered, but isn't. 606 * It seems that the power status can be 607 * determined by the hub characteristics. 608 */ 609 usb_hub_descriptor_t hd; 610 usb_device_request_t req; 611 req.bmRequestType = UT_READ_CLASS_DEVICE; 612 req.bRequest = UR_GET_DESCRIPTOR; 613 USETW(req.wValue, 0); 614 USETW(req.wIndex, 0); 615 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 616 err = usbd_do_request(dev, &req, &hd); 617 if (!err && 618 (UGETW(hd.wHubCharacteristics) & 619 UHD_PWR_INDIVIDUAL)) 620 selfpowered = 1; 621 DPRINTF(("usbd_set_config_index: charac=0x%04x" 622 ", error=%s\n", 623 UGETW(hd.wHubCharacteristics), 624 usbd_errstr(err))); 625 } else { 626 err = usbd_get_device_status(dev, &ds); 627 if (!err && 628 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 629 selfpowered = 1; 630 DPRINTF(("usbd_set_config_index: status=0x%04x" 631 ", error=%s\n", 632 UGETW(ds.wStatus), usbd_errstr(err))); 633 } 634 } else 635 selfpowered = 1; 636 } 637 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 638 "selfpowered=%d, power=%d\n", 639 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 640 selfpowered, cdp->bMaxPower * 2)); 641 642 /* Check if we have enough power. */ 643 #ifdef USB_DEBUG 644 if (dev->powersrc == NULL) { 645 DPRINTF(("usbd_set_config_index: No power source?\n")); 646 return (USBD_IOERROR); 647 } 648 #endif 649 power = cdp->bMaxPower * 2; 650 if (power > dev->powersrc->power) { 651 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 652 /* XXX print nicer message. */ 653 if (msg) 654 printf("%s: device addr %d (config %d) exceeds power " 655 "budget, %d mA > %d mA\n", 656 USBDEVNAME(dev->bus->bdev), dev->address, 657 cdp->bConfigurationValue, 658 power, dev->powersrc->power); 659 err = USBD_NO_POWER; 660 goto bad; 661 } 662 dev->power = power; 663 dev->self_powered = selfpowered; 664 665 /* Set the actual configuration value. */ 666 DPRINTF(("usbd_set_config_index: set config %d\n", 667 cdp->bConfigurationValue)); 668 err = usbd_set_config(dev, cdp->bConfigurationValue); 669 if (err) { 670 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 671 "error=%s\n", 672 cdp->bConfigurationValue, usbd_errstr(err))); 673 goto bad; 674 } 675 676 /* Allocate and fill interface data. */ 677 nifc = cdp->bNumInterface; 678 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 679 M_USB, M_NOWAIT); 680 if (dev->ifaces == NULL) { 681 err = USBD_NOMEM; 682 goto bad; 683 } 684 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 685 dev->cdesc = cdp; 686 dev->config = cdp->bConfigurationValue; 687 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 688 err = usbd_fill_iface_data(dev, ifcidx, 0); 689 if (err) { 690 while (--ifcidx >= 0) 691 usbd_free_iface_data(dev, ifcidx); 692 goto bad; 693 } 694 } 695 696 return (USBD_NORMAL_COMPLETION); 697 698 bad: 699 free(cdp, M_USB); 700 return (err); 701 } 702 703 /* XXX add function for alternate settings */ 704 705 usbd_status 706 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 707 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 708 { 709 usbd_pipe_handle p; 710 usbd_status err; 711 712 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 713 dev, iface, ep, pipe)); 714 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 715 if (p == NULL) 716 return (USBD_NOMEM); 717 p->device = dev; 718 p->iface = iface; 719 p->endpoint = ep; 720 ep->refcnt++; 721 p->refcnt = 1; 722 p->intrxfer = 0; 723 p->running = 0; 724 p->aborting = 0; 725 p->repeat = 0; 726 p->interval = ival; 727 SIMPLEQ_INIT(&p->queue); 728 usb_callout_init(p->abort_handle); 729 err = dev->bus->methods->open_pipe(p); 730 if (err) { 731 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 732 "%s\n", 733 ep->edesc->bEndpointAddress, usbd_errstr(err))); 734 free(p, M_USB); 735 return (err); 736 } 737 /* Clear any stall and make sure DATA0 toggle will be used next. */ 738 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) 739 usbd_clear_endpoint_stall(p); 740 *pipe = p; 741 return (USBD_NORMAL_COMPLETION); 742 } 743 744 /* Abort the device control pipe. */ 745 void 746 usbd_kill_pipe(usbd_pipe_handle pipe) 747 { 748 pipe->methods->close(pipe); 749 pipe->endpoint->refcnt--; 750 free(pipe, M_USB); 751 } 752 753 int 754 usbd_getnewaddr(usbd_bus_handle bus) 755 { 756 int addr; 757 758 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 759 if (bus->devices[addr] == 0) 760 return (addr); 761 return (-1); 762 } 763 764 765 usbd_status 766 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 767 int port, int addr) 768 { 769 struct usb_attach_arg uaa; 770 usb_device_descriptor_t *dd = &dev->ddesc; 771 int found, i, confi, nifaces; 772 usbd_status err; 773 device_ptr_t dv; 774 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 775 776 #if defined(__FreeBSD__) 777 /* 778 * XXX uaa is a static var. Not a problem as it _should_ be used only 779 * during probe and attach. Should be changed however. 780 */ 781 device_t bdev; 782 bdev = device_add_child(parent, NULL, -1, &uaa); 783 if (!bdev) { 784 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 785 return (USBD_INVAL); 786 } 787 device_quiet(bdev); 788 #endif 789 790 uaa.device = dev; 791 uaa.iface = NULL; 792 uaa.ifaces = NULL; 793 uaa.nifaces = 0; 794 uaa.usegeneric = 0; 795 uaa.port = port; 796 uaa.configno = UHUB_UNK_CONFIGURATION; 797 uaa.ifaceno = UHUB_UNK_INTERFACE; 798 uaa.vendor = UGETW(dd->idVendor); 799 uaa.product = UGETW(dd->idProduct); 800 uaa.release = UGETW(dd->bcdDevice); 801 802 /* First try with device specific drivers. */ 803 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 804 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 805 if (dv) { 806 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 807 if (dev->subdevs == NULL) 808 return (USBD_NOMEM); 809 dev->subdevs[0] = dv; 810 dev->subdevs[1] = 0; 811 return (USBD_NORMAL_COMPLETION); 812 } 813 814 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 815 816 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 817 dd->bNumConfigurations)); 818 /* Next try with interface drivers. */ 819 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 820 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 821 confi)); 822 err = usbd_set_config_index(dev, confi, 1); 823 if (err) { 824 #ifdef USB_DEBUG 825 DPRINTF(("%s: port %d, set config at addr %d failed, " 826 "error=%s\n", USBDEVPTRNAME(parent), port, 827 addr, usbd_errstr(err))); 828 #else 829 printf("%s: port %d, set config at addr %d failed\n", 830 USBDEVPTRNAME(parent), port, addr); 831 #endif 832 #if defined(__FreeBSD__) 833 device_delete_child(parent, bdev); 834 #endif 835 836 return (err); 837 } 838 nifaces = dev->cdesc->bNumInterface; 839 uaa.configno = dev->cdesc->bConfigurationValue; 840 for (i = 0; i < nifaces; i++) 841 ifaces[i] = &dev->ifaces[i]; 842 uaa.ifaces = ifaces; 843 uaa.nifaces = nifaces; 844 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 845 if (dev->subdevs == NULL) { 846 #if defined(__FreeBSD__) 847 device_delete_child(parent, bdev); 848 #endif 849 return (USBD_NOMEM); 850 } 851 852 found = 0; 853 for (i = 0; i < nifaces; i++) { 854 if (ifaces[i] == NULL) 855 continue; /* interface already claimed */ 856 uaa.iface = ifaces[i]; 857 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 858 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 859 usbd_submatch); 860 if (dv != NULL) { 861 dev->subdevs[found++] = dv; 862 dev->subdevs[found] = 0; 863 ifaces[i] = 0; /* consumed */ 864 865 #if defined(__FreeBSD__) 866 /* create another child for the next iface */ 867 bdev = device_add_child(parent, NULL, -1,&uaa); 868 if (!bdev) { 869 printf("%s: Device creation failed\n", 870 USBDEVNAME(dev->bus->bdev)); 871 return (USBD_NORMAL_COMPLETION); 872 } 873 device_quiet(bdev); 874 #endif 875 } 876 } 877 if (found != 0) { 878 #if defined(__FreeBSD__) 879 /* remove the last created child again; it is unused */ 880 device_delete_child(parent, bdev); 881 #endif 882 return (USBD_NORMAL_COMPLETION); 883 } 884 free(dev->subdevs, M_USB); 885 dev->subdevs = 0; 886 } 887 /* No interfaces were attached in any of the configurations. */ 888 889 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 890 usbd_set_config_index(dev, 0, 0); 891 892 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 893 894 /* Finally try the generic driver. */ 895 uaa.iface = NULL; 896 uaa.usegeneric = 1; 897 uaa.configno = UHUB_UNK_CONFIGURATION; 898 uaa.ifaceno = UHUB_UNK_INTERFACE; 899 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 900 if (dv != NULL) { 901 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 902 if (dev->subdevs == 0) 903 return (USBD_NOMEM); 904 dev->subdevs[0] = dv; 905 dev->subdevs[1] = 0; 906 return (USBD_NORMAL_COMPLETION); 907 } 908 909 /* 910 * The generic attach failed, but leave the device as it is. 911 * We just did not find any drivers, that's all. The device is 912 * fully operational and not harming anyone. 913 */ 914 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 915 #if defined(__FreeBSD__) 916 device_delete_child(parent, bdev); 917 #endif 918 return (USBD_NORMAL_COMPLETION); 919 } 920 921 922 /* 923 * Called when a new device has been put in the powered state, 924 * but not yet in the addressed state. 925 * Get initial descriptor, set the address, get full descriptor, 926 * and attach a driver. 927 */ 928 usbd_status 929 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 930 int lowspeed, int port, struct usbd_port *up) 931 { 932 usbd_device_handle dev; 933 usb_device_descriptor_t *dd; 934 usbd_status err; 935 int addr; 936 int i; 937 938 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d lowspeed=%d\n", 939 bus, port, depth, lowspeed)); 940 addr = usbd_getnewaddr(bus); 941 if (addr < 0) { 942 printf("%s: No free USB addresses, new device ignored.\n", 943 USBDEVNAME(bus->bdev)); 944 return (USBD_NO_ADDR); 945 } 946 947 dev = malloc(sizeof *dev, M_USB, M_NOWAIT); 948 if (dev == NULL) 949 return (USBD_NOMEM); 950 memset(dev, 0, sizeof(*dev)); 951 952 dev->bus = bus; 953 954 /* Set up default endpoint handle. */ 955 dev->def_ep.edesc = &dev->def_ep_desc; 956 957 /* Set up default endpoint descriptor. */ 958 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 959 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 960 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 961 dev->def_ep_desc.bmAttributes = UE_CONTROL; 962 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 963 dev->def_ep_desc.bInterval = 0; 964 965 dev->quirks = &usbd_no_quirk; 966 dev->address = USB_START_ADDR; 967 dev->ddesc.bMaxPacketSize = 0; 968 dev->lowspeed = lowspeed != 0; 969 dev->depth = depth; 970 dev->powersrc = up; 971 dev->langid = USBD_NOLANG; 972 dev->cookie.cookie = ++usb_cookie_no; 973 974 /* Establish the default pipe. */ 975 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 976 &dev->default_pipe); 977 if (err) { 978 usbd_remove_device(dev, up); 979 return (err); 980 } 981 982 up->device = dev; 983 dd = &dev->ddesc; 984 /* Try a few times in case the device is slow (i.e. outside specs.) */ 985 for (i = 0; i < 3; i++) { 986 /* Get the first 8 bytes of the device descriptor. */ 987 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 988 if (!err) 989 break; 990 usbd_delay_ms(dev, 200); 991 } 992 if (err) { 993 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 994 "failed\n", addr)); 995 usbd_remove_device(dev, up); 996 return (err); 997 } 998 999 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1000 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, ls=%d\n", 1001 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1002 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1003 dev->lowspeed)); 1004 1005 if (dd->bDescriptorType != UDESC_DEVICE) { 1006 /* Illegal device descriptor */ 1007 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1008 dd->bDescriptorType)); 1009 usbd_remove_device(dev, up); 1010 return (USBD_INVAL); 1011 } 1012 1013 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1014 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1015 usbd_remove_device(dev, up); 1016 return (USBD_INVAL); 1017 } 1018 1019 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1020 1021 err = usbd_reload_device_desc(dev); 1022 if (err) { 1023 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1024 "failed\n", addr)); 1025 usbd_remove_device(dev, up); 1026 return (err); 1027 } 1028 1029 /* Set the address */ 1030 err = usbd_set_address(dev, addr); 1031 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1032 if (err) { 1033 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1034 err = USBD_SET_ADDR_FAILED; 1035 usbd_remove_device(dev, up); 1036 return (err); 1037 } 1038 /* Allow device time to set new address */ 1039 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1040 1041 dev->address = addr; /* New device address now */ 1042 bus->devices[addr] = dev; 1043 1044 /* Assume 100mA bus powered for now. Changed when configured. */ 1045 dev->power = USB_MIN_POWER; 1046 dev->self_powered = 0; 1047 1048 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1049 addr, dev, parent)); 1050 1051 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1052 1053 err = usbd_probe_and_attach(parent, dev, port, addr); 1054 if (err) { 1055 usbd_remove_device(dev, up); 1056 return (err); 1057 } 1058 1059 return (USBD_NORMAL_COMPLETION); 1060 } 1061 1062 usbd_status 1063 usbd_reload_device_desc(usbd_device_handle dev) 1064 { 1065 usbd_status err; 1066 1067 /* Get the full device descriptor. */ 1068 err = usbd_get_device_desc(dev, &dev->ddesc); 1069 if (err) 1070 return (err); 1071 1072 /* Figure out what's wrong with this device. */ 1073 dev->quirks = usbd_find_quirk(&dev->ddesc); 1074 1075 return (USBD_NORMAL_COMPLETION); 1076 } 1077 1078 void 1079 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1080 { 1081 DPRINTF(("usbd_remove_device: %p\n", dev)); 1082 1083 if (dev->default_pipe != NULL) 1084 usbd_kill_pipe(dev->default_pipe); 1085 up->device = 0; 1086 dev->bus->devices[dev->address] = 0; 1087 1088 free(dev, M_USB); 1089 } 1090 1091 #if defined(__NetBSD__) || defined(__OpenBSD__) 1092 int 1093 usbd_print(void *aux, const char *pnp) 1094 { 1095 struct usb_attach_arg *uaa = aux; 1096 char devinfo[1024]; 1097 1098 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1099 if (pnp) { 1100 if (!uaa->usegeneric) 1101 return (QUIET); 1102 usbd_devinfo(uaa->device, 1, devinfo); 1103 printf("%s, %s", devinfo, pnp); 1104 } 1105 if (uaa->port != 0) 1106 printf(" port %d", uaa->port); 1107 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1108 printf(" configuration %d", uaa->configno); 1109 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1110 printf(" interface %d", uaa->ifaceno); 1111 #if 0 1112 /* 1113 * It gets very crowded with these locators on the attach line. 1114 * They are not really needed since they are printed in the clear 1115 * by each driver. 1116 */ 1117 if (uaa->vendor != UHUB_UNK_VENDOR) 1118 printf(" vendor 0x%04x", uaa->vendor); 1119 if (uaa->product != UHUB_UNK_PRODUCT) 1120 printf(" product 0x%04x", uaa->product); 1121 if (uaa->release != UHUB_UNK_RELEASE) 1122 printf(" release 0x%04x", uaa->release); 1123 #endif 1124 return (UNCONF); 1125 } 1126 1127 #if defined(__NetBSD__) 1128 int 1129 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1130 { 1131 #elif defined(__OpenBSD__) 1132 int 1133 usbd_submatch(struct device *parent, void *match, void *aux) 1134 { 1135 struct cfdata *cf = match; 1136 #endif 1137 struct usb_attach_arg *uaa = aux; 1138 1139 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1140 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1141 uaa->port, cf->uhubcf_port, 1142 uaa->configno, cf->uhubcf_configuration, 1143 uaa->ifaceno, cf->uhubcf_interface, 1144 uaa->vendor, cf->uhubcf_vendor, 1145 uaa->product, cf->uhubcf_product, 1146 uaa->release, cf->uhubcf_release)); 1147 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1148 ((uaa->port != 0 && 1149 cf->uhubcf_port != UHUB_UNK_PORT && 1150 cf->uhubcf_port != uaa->port) || 1151 (uaa->configno != UHUB_UNK_CONFIGURATION && 1152 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1153 cf->uhubcf_configuration != uaa->configno) || 1154 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1155 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1156 cf->uhubcf_interface != uaa->ifaceno) || 1157 (uaa->vendor != UHUB_UNK_VENDOR && 1158 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1159 cf->uhubcf_vendor != uaa->vendor) || 1160 (uaa->product != UHUB_UNK_PRODUCT && 1161 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1162 cf->uhubcf_product != uaa->product) || 1163 (uaa->release != UHUB_UNK_RELEASE && 1164 cf->uhubcf_release != UHUB_UNK_RELEASE && 1165 cf->uhubcf_release != uaa->release) 1166 ) 1167 ) 1168 return 0; 1169 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1170 cf->uhubcf_vendor == uaa->vendor && 1171 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1172 cf->uhubcf_product == uaa->product) { 1173 /* We have a vendor&product locator match */ 1174 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1175 cf->uhubcf_release == uaa->release) 1176 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1177 else 1178 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1179 } else 1180 uaa->matchlvl = 0; 1181 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 1182 } 1183 1184 #endif 1185 1186 void 1187 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1188 int usedev) 1189 { 1190 struct usbd_port *p; 1191 int i, err, s; 1192 1193 di->bus = USBDEVUNIT(dev->bus->bdev); 1194 di->addr = dev->address; 1195 di->cookie = dev->cookie; 1196 usbd_devinfo_vp(dev, di->vendor, di->product, usedev); 1197 usbd_printBCD(di->release, UGETW(dev->ddesc.bcdDevice)); 1198 di->vendorNo = UGETW(dev->ddesc.idVendor); 1199 di->productNo = UGETW(dev->ddesc.idProduct); 1200 di->releaseNo = UGETW(dev->ddesc.bcdDevice); 1201 di->class = dev->ddesc.bDeviceClass; 1202 di->subclass = dev->ddesc.bDeviceSubClass; 1203 di->protocol = dev->ddesc.bDeviceProtocol; 1204 di->config = dev->config; 1205 di->power = dev->self_powered ? 0 : dev->power; 1206 di->lowspeed = dev->lowspeed; 1207 1208 if (dev->subdevs != NULL) { 1209 for (i = 0; dev->subdevs[i] && 1210 i < USB_MAX_DEVNAMES; i++) { 1211 strncpy(di->devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1212 USB_MAX_DEVNAMELEN); 1213 di->devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1214 } 1215 } else { 1216 i = 0; 1217 } 1218 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1219 di->devnames[i][0] = 0; /* empty */ 1220 1221 if (dev->hub) { 1222 for (i = 0; 1223 i < sizeof(di->ports) / sizeof(di->ports[0]) && 1224 i < dev->hub->hubdesc.bNbrPorts; 1225 i++) { 1226 p = &dev->hub->ports[i]; 1227 if (p->device) 1228 err = p->device->address; 1229 else { 1230 s = UGETW(p->status.wPortStatus); 1231 if (s & UPS_PORT_ENABLED) 1232 err = USB_PORT_ENABLED; 1233 else if (s & UPS_SUSPEND) 1234 err = USB_PORT_SUSPENDED; 1235 else if (s & UPS_PORT_POWER) 1236 err = USB_PORT_POWERED; 1237 else 1238 err = USB_PORT_DISABLED; 1239 } 1240 di->ports[i] = err; 1241 } 1242 di->nports = dev->hub->hubdesc.bNbrPorts; 1243 } else 1244 di->nports = 0; 1245 } 1246 1247 void 1248 usb_free_device(usbd_device_handle dev) 1249 { 1250 int ifcidx, nifc; 1251 1252 if (dev->default_pipe != NULL) 1253 usbd_kill_pipe(dev->default_pipe); 1254 if (dev->ifaces != NULL) { 1255 nifc = dev->cdesc->bNumInterface; 1256 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1257 usbd_free_iface_data(dev, ifcidx); 1258 free(dev->ifaces, M_USB); 1259 } 1260 if (dev->cdesc != NULL) 1261 free(dev->cdesc, M_USB); 1262 if (dev->subdevs != NULL) 1263 free(dev->subdevs, M_USB); 1264 free(dev, M_USB); 1265 } 1266 1267 /* 1268 * The general mechanism for detaching drivers works as follows: Each 1269 * driver is responsible for maintaining a reference count on the 1270 * number of outstanding references to its softc (e.g. from 1271 * processing hanging in a read or write). The detach method of the 1272 * driver decrements this counter and flags in the softc that the 1273 * driver is dying and then wakes any sleepers. It then sleeps on the 1274 * softc. Each place that can sleep must maintain the reference 1275 * count. When the reference count drops to -1 (0 is the normal value 1276 * of the reference count) the a wakeup on the softc is performed 1277 * signaling to the detach waiter that all references are gone. 1278 */ 1279 1280 /* 1281 * Called from process context when we discover that a port has 1282 * been disconnected. 1283 */ 1284 void 1285 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1286 { 1287 usbd_device_handle dev = up->device; 1288 char *hubname = USBDEVPTRNAME(parent); 1289 int i; 1290 1291 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1292 up, dev, up->portno)); 1293 1294 #ifdef DIAGNOSTIC 1295 if (dev == NULL) { 1296 printf("usb_disconnect_port: no device\n"); 1297 return; 1298 } 1299 #endif 1300 1301 if (dev->subdevs != NULL) { 1302 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1303 for (i = 0; dev->subdevs[i]; i++) { 1304 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1305 hubname); 1306 if (up->portno != 0) 1307 printf(" port %d", up->portno); 1308 printf(" (addr %d) disconnected\n", dev->address); 1309 #if defined(__NetBSD__) || defined(__OpenBSD__) 1310 config_detach(dev->subdevs[i], DETACH_FORCE); 1311 #elif defined(__FreeBSD__) 1312 device_delete_child(device_get_parent(dev->subdevs[i]), 1313 dev->subdevs[i]); 1314 #endif 1315 1316 } 1317 } 1318 1319 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1320 dev->bus->devices[dev->address] = NULL; 1321 up->device = NULL; 1322 usb_free_device(dev); 1323 } 1324 1325 #ifdef __OpenBSD__ 1326 void *usb_realloc(void *p, u_int size, int pool, int flags) 1327 { 1328 void *q; 1329 1330 q = malloc(size, pool, flags); 1331 if (q == NULL) 1332 return (NULL); 1333 bcopy(p, q, size); 1334 free(p, pool); 1335 return (q); 1336 } 1337 #endif 1338