1 /* $NetBSD: usb_subr.c,v 1.104 2003/06/23 11:02:01 martin 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 1.104 2003/06/23 11:02:01 martin 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 = 0, *product = 0; 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 } else { 259 vendor = NULL; 260 product = NULL; 261 } 262 #ifdef USBVERBOSE 263 if (vendor == NULL || product == NULL) { 264 for(kdp = usb_knowndevs; 265 kdp->vendorname != NULL; 266 kdp++) { 267 if (kdp->vendor == UGETW(udd->idVendor) && 268 (kdp->product == UGETW(udd->idProduct) || 269 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 270 break; 271 } 272 if (kdp->vendorname != NULL) { 273 if (vendor == NULL) 274 vendor = kdp->vendorname; 275 if (product == NULL) 276 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 277 kdp->productname : NULL; 278 } 279 } 280 #endif 281 if (vendor != NULL && *vendor) 282 strcpy(v, vendor); 283 else 284 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 285 if (product != NULL && *product) 286 strcpy(p, product); 287 else 288 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 289 } 290 291 int 292 usbd_printBCD(char *cp, int bcd) 293 { 294 return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); 295 } 296 297 void 298 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp) 299 { 300 usb_device_descriptor_t *udd = &dev->ddesc; 301 char vendor[USB_MAX_STRING_LEN]; 302 char product[USB_MAX_STRING_LEN]; 303 int bcdDevice, bcdUSB; 304 305 usbd_devinfo_vp(dev, vendor, product, 1); 306 cp += sprintf(cp, "%s %s", vendor, product); 307 if (showclass) 308 cp += sprintf(cp, ", class %d/%d", 309 udd->bDeviceClass, udd->bDeviceSubClass); 310 bcdUSB = UGETW(udd->bcdUSB); 311 bcdDevice = UGETW(udd->bcdDevice); 312 cp += sprintf(cp, ", rev "); 313 cp += usbd_printBCD(cp, bcdUSB); 314 *cp++ = '/'; 315 cp += usbd_printBCD(cp, bcdDevice); 316 cp += sprintf(cp, ", addr %d", dev->address); 317 *cp = 0; 318 } 319 320 /* Delay for a certain number of ms */ 321 void 322 usb_delay_ms(usbd_bus_handle bus, u_int ms) 323 { 324 /* Wait at least two clock ticks so we know the time has passed. */ 325 if (bus->use_polling || cold) 326 delay((ms+1) * 1000); 327 else 328 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 329 } 330 331 /* Delay given a device handle. */ 332 void 333 usbd_delay_ms(usbd_device_handle dev, u_int ms) 334 { 335 usb_delay_ms(dev->bus, ms); 336 } 337 338 usbd_status 339 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 340 { 341 usb_device_request_t req; 342 usbd_status err; 343 int n; 344 345 req.bmRequestType = UT_WRITE_CLASS_OTHER; 346 req.bRequest = UR_SET_FEATURE; 347 USETW(req.wValue, UHF_PORT_RESET); 348 USETW(req.wIndex, port); 349 USETW(req.wLength, 0); 350 err = usbd_do_request(dev, &req, 0); 351 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 352 port, usbd_errstr(err))); 353 if (err) 354 return (err); 355 n = 10; 356 do { 357 /* Wait for device to recover from reset. */ 358 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 359 err = usbd_get_port_status(dev, port, ps); 360 if (err) { 361 DPRINTF(("usbd_reset_port: get status failed %d\n", 362 err)); 363 return (err); 364 } 365 /* If the device disappeared, just give up. */ 366 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 367 return (USBD_NORMAL_COMPLETION); 368 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 369 if (n == 0) 370 return (USBD_TIMEOUT); 371 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 372 #ifdef USB_DEBUG 373 if (err) 374 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 375 err)); 376 #endif 377 378 /* Wait for the device to recover from reset. */ 379 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 380 return (err); 381 } 382 383 usb_interface_descriptor_t * 384 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 385 { 386 char *p = (char *)cd; 387 char *end = p + UGETW(cd->wTotalLength); 388 usb_interface_descriptor_t *d; 389 int curidx, lastidx, curaidx = 0; 390 391 for (curidx = lastidx = -1; p < end; ) { 392 d = (usb_interface_descriptor_t *)p; 393 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 394 "type=%d\n", 395 ifaceidx, curidx, altidx, curaidx, 396 d->bLength, d->bDescriptorType)); 397 if (d->bLength == 0) /* bad descriptor */ 398 break; 399 p += d->bLength; 400 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 401 if (d->bInterfaceNumber != lastidx) { 402 lastidx = d->bInterfaceNumber; 403 curidx++; 404 curaidx = 0; 405 } else 406 curaidx++; 407 if (ifaceidx == curidx && altidx == curaidx) 408 return (d); 409 } 410 } 411 return (NULL); 412 } 413 414 usb_endpoint_descriptor_t * 415 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 416 int endptidx) 417 { 418 char *p = (char *)cd; 419 char *end = p + UGETW(cd->wTotalLength); 420 usb_interface_descriptor_t *d; 421 usb_endpoint_descriptor_t *e; 422 int curidx; 423 424 d = usbd_find_idesc(cd, ifaceidx, altidx); 425 if (d == NULL) 426 return (NULL); 427 if (endptidx >= d->bNumEndpoints) /* quick exit */ 428 return (NULL); 429 430 curidx = -1; 431 for (p = (char *)d + d->bLength; p < end; ) { 432 e = (usb_endpoint_descriptor_t *)p; 433 if (e->bLength == 0) /* bad descriptor */ 434 break; 435 p += e->bLength; 436 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 437 return (NULL); 438 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 439 curidx++; 440 if (curidx == endptidx) 441 return (e); 442 } 443 } 444 return (NULL); 445 } 446 447 usbd_status 448 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 449 { 450 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 451 usb_interface_descriptor_t *idesc; 452 char *p, *end; 453 int endpt, nendpt; 454 455 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 456 ifaceidx, altidx)); 457 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 458 if (idesc == NULL) 459 return (USBD_INVAL); 460 ifc->device = dev; 461 ifc->idesc = idesc; 462 ifc->index = ifaceidx; 463 ifc->altindex = altidx; 464 nendpt = ifc->idesc->bNumEndpoints; 465 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 466 if (nendpt != 0) { 467 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 468 M_USB, M_NOWAIT); 469 if (ifc->endpoints == NULL) 470 return (USBD_NOMEM); 471 } else 472 ifc->endpoints = NULL; 473 ifc->priv = NULL; 474 p = (char *)ifc->idesc + ifc->idesc->bLength; 475 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 476 #define ed ((usb_endpoint_descriptor_t *)p) 477 for (endpt = 0; endpt < nendpt; endpt++) { 478 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 479 for (; p < end; p += ed->bLength) { 480 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 481 "len=%d type=%d\n", 482 p, end, ed->bLength, ed->bDescriptorType)); 483 if (p + ed->bLength <= end && ed->bLength != 0 && 484 ed->bDescriptorType == UDESC_ENDPOINT) 485 goto found; 486 if (ed->bLength == 0 || 487 ed->bDescriptorType == UDESC_INTERFACE) 488 break; 489 } 490 /* passed end, or bad desc */ 491 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 492 ed->bLength == 0 ? "0 length" : 493 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 494 "out of data"); 495 goto bad; 496 found: 497 ifc->endpoints[endpt].edesc = ed; 498 if (dev->speed == USB_SPEED_HIGH) { 499 u_int mps; 500 /* Control and bulk endpoints have max packet limits. */ 501 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 502 case UE_CONTROL: 503 mps = USB_2_MAX_CTRL_PACKET; 504 goto check; 505 case UE_BULK: 506 mps = USB_2_MAX_BULK_PACKET; 507 check: 508 if (UGETW(ed->wMaxPacketSize) != mps) { 509 USETW(ed->wMaxPacketSize, mps); 510 #ifdef DIAGNOSTIC 511 printf("usbd_fill_iface_data: bad max " 512 "packet size\n"); 513 #endif 514 } 515 break; 516 default: 517 break; 518 } 519 } 520 ifc->endpoints[endpt].refcnt = 0; 521 p += ed->bLength; 522 } 523 #undef ed 524 LIST_INIT(&ifc->pipes); 525 return (USBD_NORMAL_COMPLETION); 526 527 bad: 528 if (ifc->endpoints != NULL) { 529 free(ifc->endpoints, M_USB); 530 ifc->endpoints = NULL; 531 } 532 return (USBD_INVAL); 533 } 534 535 void 536 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 537 { 538 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 539 if (ifc->endpoints) 540 free(ifc->endpoints, M_USB); 541 } 542 543 Static usbd_status 544 usbd_set_config(usbd_device_handle dev, int conf) 545 { 546 usb_device_request_t req; 547 548 req.bmRequestType = UT_WRITE_DEVICE; 549 req.bRequest = UR_SET_CONFIG; 550 USETW(req.wValue, conf); 551 USETW(req.wIndex, 0); 552 USETW(req.wLength, 0); 553 return (usbd_do_request(dev, &req, 0)); 554 } 555 556 usbd_status 557 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 558 { 559 int index; 560 usb_config_descriptor_t cd; 561 usbd_status err; 562 563 if (no == USB_UNCONFIG_NO) 564 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 565 566 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 567 /* Figure out what config index to use. */ 568 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 569 err = usbd_get_config_desc(dev, index, &cd); 570 if (err) 571 return (err); 572 if (cd.bConfigurationValue == no) 573 return (usbd_set_config_index(dev, index, msg)); 574 } 575 return (USBD_INVAL); 576 } 577 578 usbd_status 579 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 580 { 581 usb_status_t ds; 582 usb_config_descriptor_t cd, *cdp; 583 usbd_status err; 584 int i, ifcidx, nifc, len, selfpowered, power; 585 586 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 587 588 /* XXX check that all interfaces are idle */ 589 if (dev->config != USB_UNCONFIG_NO) { 590 DPRINTF(("usbd_set_config_index: free old config\n")); 591 /* Free all configuration data structures. */ 592 nifc = dev->cdesc->bNumInterface; 593 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 594 usbd_free_iface_data(dev, ifcidx); 595 free(dev->ifaces, M_USB); 596 free(dev->cdesc, M_USB); 597 dev->ifaces = NULL; 598 dev->cdesc = NULL; 599 dev->config = USB_UNCONFIG_NO; 600 } 601 602 if (index == USB_UNCONFIG_INDEX) { 603 /* We are unconfiguring the device, so leave unallocated. */ 604 DPRINTF(("usbd_set_config_index: set config 0\n")); 605 err = usbd_set_config(dev, USB_UNCONFIG_NO); 606 if (err) 607 DPRINTF(("usbd_set_config_index: setting config=0 " 608 "failed, error=%s\n", usbd_errstr(err))); 609 return (err); 610 } 611 612 /* Get the short descriptor. */ 613 err = usbd_get_config_desc(dev, index, &cd); 614 if (err) 615 return (err); 616 len = UGETW(cd.wTotalLength); 617 cdp = malloc(len, M_USB, M_NOWAIT); 618 if (cdp == NULL) 619 return (USBD_NOMEM); 620 621 /* Get the full descriptor. Try a few times for slow devices. */ 622 for (i = 0; i < 3; i++) { 623 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 624 if (!err) 625 break; 626 usbd_delay_ms(dev, 200); 627 } 628 if (err) 629 goto bad; 630 631 if (cdp->bDescriptorType != UDESC_CONFIG) { 632 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 633 cdp->bDescriptorType)); 634 err = USBD_INVAL; 635 goto bad; 636 } 637 638 /* Figure out if the device is self or bus powered. */ 639 selfpowered = 0; 640 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 641 (cdp->bmAttributes & UC_SELF_POWERED)) { 642 /* May be self powered. */ 643 if (cdp->bmAttributes & UC_BUS_POWERED) { 644 /* Must ask device. */ 645 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 646 /* 647 * Hub claims to be self powered, but isn't. 648 * It seems that the power status can be 649 * determined by the hub characteristics. 650 */ 651 usb_hub_descriptor_t hd; 652 usb_device_request_t req; 653 req.bmRequestType = UT_READ_CLASS_DEVICE; 654 req.bRequest = UR_GET_DESCRIPTOR; 655 USETW(req.wValue, 0); 656 USETW(req.wIndex, 0); 657 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 658 err = usbd_do_request(dev, &req, &hd); 659 if (!err && 660 (UGETW(hd.wHubCharacteristics) & 661 UHD_PWR_INDIVIDUAL)) 662 selfpowered = 1; 663 DPRINTF(("usbd_set_config_index: charac=0x%04x" 664 ", error=%s\n", 665 UGETW(hd.wHubCharacteristics), 666 usbd_errstr(err))); 667 } else { 668 err = usbd_get_device_status(dev, &ds); 669 if (!err && 670 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 671 selfpowered = 1; 672 DPRINTF(("usbd_set_config_index: status=0x%04x" 673 ", error=%s\n", 674 UGETW(ds.wStatus), usbd_errstr(err))); 675 } 676 } else 677 selfpowered = 1; 678 } 679 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 680 "selfpowered=%d, power=%d\n", 681 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 682 selfpowered, cdp->bMaxPower * 2)); 683 684 /* Check if we have enough power. */ 685 #ifdef USB_DEBUG 686 if (dev->powersrc == NULL) { 687 DPRINTF(("usbd_set_config_index: No power source?\n")); 688 return (USBD_IOERROR); 689 } 690 #endif 691 power = cdp->bMaxPower * 2; 692 if (power > dev->powersrc->power) { 693 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 694 /* XXX print nicer message. */ 695 if (msg) 696 printf("%s: device addr %d (config %d) exceeds power " 697 "budget, %d mA > %d mA\n", 698 USBDEVNAME(dev->bus->bdev), dev->address, 699 cdp->bConfigurationValue, 700 power, dev->powersrc->power); 701 err = USBD_NO_POWER; 702 goto bad; 703 } 704 dev->power = power; 705 dev->self_powered = selfpowered; 706 707 /* Set the actual configuration value. */ 708 DPRINTF(("usbd_set_config_index: set config %d\n", 709 cdp->bConfigurationValue)); 710 err = usbd_set_config(dev, cdp->bConfigurationValue); 711 if (err) { 712 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 713 "error=%s\n", 714 cdp->bConfigurationValue, usbd_errstr(err))); 715 goto bad; 716 } 717 718 /* Allocate and fill interface data. */ 719 nifc = cdp->bNumInterface; 720 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 721 M_USB, M_NOWAIT); 722 if (dev->ifaces == NULL) { 723 err = USBD_NOMEM; 724 goto bad; 725 } 726 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 727 dev->cdesc = cdp; 728 dev->config = cdp->bConfigurationValue; 729 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 730 err = usbd_fill_iface_data(dev, ifcidx, 0); 731 if (err) { 732 while (--ifcidx >= 0) 733 usbd_free_iface_data(dev, ifcidx); 734 goto bad; 735 } 736 } 737 738 return (USBD_NORMAL_COMPLETION); 739 740 bad: 741 free(cdp, M_USB); 742 return (err); 743 } 744 745 /* XXX add function for alternate settings */ 746 747 usbd_status 748 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 749 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 750 { 751 usbd_pipe_handle p; 752 usbd_status err; 753 754 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 755 dev, iface, ep, pipe)); 756 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 757 if (p == NULL) 758 return (USBD_NOMEM); 759 p->device = dev; 760 p->iface = iface; 761 p->endpoint = ep; 762 ep->refcnt++; 763 p->refcnt = 1; 764 p->intrxfer = 0; 765 p->running = 0; 766 p->aborting = 0; 767 p->repeat = 0; 768 p->interval = ival; 769 SIMPLEQ_INIT(&p->queue); 770 err = dev->bus->methods->open_pipe(p); 771 if (err) { 772 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 773 "%s\n", 774 ep->edesc->bEndpointAddress, usbd_errstr(err))); 775 free(p, M_USB); 776 return (err); 777 } 778 /* Clear any stall and make sure DATA0 toggle will be used next. */ 779 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) 780 usbd_clear_endpoint_stall(p); 781 *pipe = p; 782 return (USBD_NORMAL_COMPLETION); 783 } 784 785 /* Abort the device control pipe. */ 786 void 787 usbd_kill_pipe(usbd_pipe_handle pipe) 788 { 789 usbd_abort_pipe(pipe); 790 pipe->methods->close(pipe); 791 pipe->endpoint->refcnt--; 792 free(pipe, M_USB); 793 } 794 795 int 796 usbd_getnewaddr(usbd_bus_handle bus) 797 { 798 int addr; 799 800 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 801 if (bus->devices[addr] == 0) 802 return (addr); 803 return (-1); 804 } 805 806 807 usbd_status 808 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 809 int port, int addr) 810 { 811 struct usb_attach_arg uaa; 812 usb_device_descriptor_t *dd = &dev->ddesc; 813 int found, i, confi, nifaces; 814 usbd_status err; 815 device_ptr_t dv; 816 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 817 818 #if defined(__FreeBSD__) 819 /* 820 * XXX uaa is a static var. Not a problem as it _should_ be used only 821 * during probe and attach. Should be changed however. 822 */ 823 device_t bdev; 824 bdev = device_add_child(parent, NULL, -1, &uaa); 825 if (!bdev) { 826 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 827 return (USBD_INVAL); 828 } 829 device_quiet(bdev); 830 #endif 831 832 uaa.device = dev; 833 uaa.iface = NULL; 834 uaa.ifaces = NULL; 835 uaa.nifaces = 0; 836 uaa.usegeneric = 0; 837 uaa.port = port; 838 uaa.configno = UHUB_UNK_CONFIGURATION; 839 uaa.ifaceno = UHUB_UNK_INTERFACE; 840 uaa.vendor = UGETW(dd->idVendor); 841 uaa.product = UGETW(dd->idProduct); 842 uaa.release = UGETW(dd->bcdDevice); 843 844 /* First try with device specific drivers. */ 845 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 846 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 847 if (dv) { 848 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 849 if (dev->subdevs == NULL) 850 return (USBD_NOMEM); 851 dev->subdevs[0] = dv; 852 dev->subdevs[1] = 0; 853 return (USBD_NORMAL_COMPLETION); 854 } 855 856 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 857 858 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 859 dd->bNumConfigurations)); 860 /* Next try with interface drivers. */ 861 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 862 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 863 confi)); 864 err = usbd_set_config_index(dev, confi, 1); 865 if (err) { 866 #ifdef USB_DEBUG 867 DPRINTF(("%s: port %d, set config at addr %d failed, " 868 "error=%s\n", USBDEVPTRNAME(parent), port, 869 addr, usbd_errstr(err))); 870 #else 871 printf("%s: port %d, set config at addr %d failed\n", 872 USBDEVPTRNAME(parent), port, addr); 873 #endif 874 #if defined(__FreeBSD__) 875 device_delete_child(parent, bdev); 876 #endif 877 878 return (err); 879 } 880 nifaces = dev->cdesc->bNumInterface; 881 uaa.configno = dev->cdesc->bConfigurationValue; 882 for (i = 0; i < nifaces; i++) 883 ifaces[i] = &dev->ifaces[i]; 884 uaa.ifaces = ifaces; 885 uaa.nifaces = nifaces; 886 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 887 if (dev->subdevs == NULL) { 888 #if defined(__FreeBSD__) 889 device_delete_child(parent, bdev); 890 #endif 891 return (USBD_NOMEM); 892 } 893 894 found = 0; 895 for (i = 0; i < nifaces; i++) { 896 if (ifaces[i] == NULL) 897 continue; /* interface already claimed */ 898 uaa.iface = ifaces[i]; 899 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 900 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 901 usbd_submatch); 902 if (dv != NULL) { 903 dev->subdevs[found++] = dv; 904 dev->subdevs[found] = 0; 905 ifaces[i] = 0; /* consumed */ 906 907 #if defined(__FreeBSD__) 908 /* create another child for the next iface */ 909 bdev = device_add_child(parent, NULL, -1,&uaa); 910 if (!bdev) { 911 printf("%s: Device creation failed\n", 912 USBDEVNAME(dev->bus->bdev)); 913 return (USBD_NORMAL_COMPLETION); 914 } 915 device_quiet(bdev); 916 #endif 917 } 918 } 919 if (found != 0) { 920 #if defined(__FreeBSD__) 921 /* remove the last created child again; it is unused */ 922 device_delete_child(parent, bdev); 923 #endif 924 return (USBD_NORMAL_COMPLETION); 925 } 926 free(dev->subdevs, M_USB); 927 dev->subdevs = 0; 928 } 929 /* No interfaces were attached in any of the configurations. */ 930 931 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 932 usbd_set_config_index(dev, 0, 0); 933 934 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 935 936 /* Finally try the generic driver. */ 937 uaa.iface = NULL; 938 uaa.usegeneric = 1; 939 uaa.configno = UHUB_UNK_CONFIGURATION; 940 uaa.ifaceno = UHUB_UNK_INTERFACE; 941 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 942 if (dv != NULL) { 943 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 944 if (dev->subdevs == 0) 945 return (USBD_NOMEM); 946 dev->subdevs[0] = dv; 947 dev->subdevs[1] = 0; 948 return (USBD_NORMAL_COMPLETION); 949 } 950 951 /* 952 * The generic attach failed, but leave the device as it is. 953 * We just did not find any drivers, that's all. The device is 954 * fully operational and not harming anyone. 955 */ 956 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 957 #if defined(__FreeBSD__) 958 device_delete_child(parent, bdev); 959 #endif 960 return (USBD_NORMAL_COMPLETION); 961 } 962 963 964 /* 965 * Called when a new device has been put in the powered state, 966 * but not yet in the addressed state. 967 * Get initial descriptor, set the address, get full descriptor, 968 * and attach a driver. 969 */ 970 usbd_status 971 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 972 int speed, int port, struct usbd_port *up) 973 { 974 usbd_device_handle dev; 975 struct usbd_device *hub; 976 usb_device_descriptor_t *dd; 977 usbd_status err; 978 int addr; 979 int i; 980 981 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 982 bus, port, depth, speed)); 983 addr = usbd_getnewaddr(bus); 984 if (addr < 0) { 985 printf("%s: No free USB addresses, new device ignored.\n", 986 USBDEVNAME(bus->bdev)); 987 return (USBD_NO_ADDR); 988 } 989 990 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 991 if (dev == NULL) 992 return (USBD_NOMEM); 993 994 dev->bus = bus; 995 996 /* Set up default endpoint handle. */ 997 dev->def_ep.edesc = &dev->def_ep_desc; 998 999 /* Set up default endpoint descriptor. */ 1000 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1001 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1002 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1003 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1004 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1005 dev->def_ep_desc.bInterval = 0; 1006 1007 dev->quirks = &usbd_no_quirk; 1008 dev->address = USB_START_ADDR; 1009 dev->ddesc.bMaxPacketSize = 0; 1010 dev->depth = depth; 1011 dev->powersrc = up; 1012 dev->myhub = up->parent; 1013 for (hub = up->parent; 1014 hub != NULL && hub->speed != USB_SPEED_HIGH; 1015 hub = hub->myhub) 1016 ; 1017 dev->myhighhub = hub; 1018 dev->speed = speed; 1019 dev->langid = USBD_NOLANG; 1020 dev->cookie.cookie = ++usb_cookie_no; 1021 1022 /* Establish the default pipe. */ 1023 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1024 &dev->default_pipe); 1025 if (err) { 1026 usbd_remove_device(dev, up); 1027 return (err); 1028 } 1029 1030 up->device = dev; 1031 dd = &dev->ddesc; 1032 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1033 for (i = 0; i < 3; i++) { 1034 /* Get the first 8 bytes of the device descriptor. */ 1035 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1036 if (!err) 1037 break; 1038 usbd_delay_ms(dev, 200); 1039 } 1040 if (err) { 1041 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1042 "failed\n", addr)); 1043 usbd_remove_device(dev, up); 1044 return (err); 1045 } 1046 1047 if (speed == USB_SPEED_HIGH) { 1048 /* Max packet size must be 64 (sec 5.5.3). */ 1049 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1050 #ifdef DIAGNOSTIC 1051 printf("usbd_new_device: addr=%d bad max packet size\n", 1052 addr); 1053 #endif 1054 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1055 } 1056 } 1057 1058 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1059 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1060 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1061 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1062 dev->speed)); 1063 1064 if (dd->bDescriptorType != UDESC_DEVICE) { 1065 /* Illegal device descriptor */ 1066 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1067 dd->bDescriptorType)); 1068 usbd_remove_device(dev, up); 1069 return (USBD_INVAL); 1070 } 1071 1072 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1073 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1074 usbd_remove_device(dev, up); 1075 return (USBD_INVAL); 1076 } 1077 1078 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1079 1080 err = usbd_reload_device_desc(dev); 1081 if (err) { 1082 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1083 "failed\n", addr)); 1084 usbd_remove_device(dev, up); 1085 return (err); 1086 } 1087 1088 /* Set the address */ 1089 err = usbd_set_address(dev, addr); 1090 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1091 if (err) { 1092 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1093 err = USBD_SET_ADDR_FAILED; 1094 usbd_remove_device(dev, up); 1095 return (err); 1096 } 1097 /* Allow device time to set new address */ 1098 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1099 1100 dev->address = addr; /* New device address now */ 1101 bus->devices[addr] = dev; 1102 1103 /* Assume 100mA bus powered for now. Changed when configured. */ 1104 dev->power = USB_MIN_POWER; 1105 dev->self_powered = 0; 1106 1107 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1108 addr, dev, parent)); 1109 1110 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1111 1112 err = usbd_probe_and_attach(parent, dev, port, addr); 1113 if (err) { 1114 usbd_remove_device(dev, up); 1115 return (err); 1116 } 1117 1118 return (USBD_NORMAL_COMPLETION); 1119 } 1120 1121 usbd_status 1122 usbd_reload_device_desc(usbd_device_handle dev) 1123 { 1124 usbd_status err; 1125 1126 /* Get the full device descriptor. */ 1127 err = usbd_get_device_desc(dev, &dev->ddesc); 1128 if (err) 1129 return (err); 1130 1131 /* Figure out what's wrong with this device. */ 1132 dev->quirks = usbd_find_quirk(&dev->ddesc); 1133 1134 return (USBD_NORMAL_COMPLETION); 1135 } 1136 1137 void 1138 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1139 { 1140 DPRINTF(("usbd_remove_device: %p\n", dev)); 1141 1142 if (dev->default_pipe != NULL) 1143 usbd_kill_pipe(dev->default_pipe); 1144 up->device = 0; 1145 dev->bus->devices[dev->address] = 0; 1146 1147 free(dev, M_USB); 1148 } 1149 1150 #if defined(__NetBSD__) || defined(__OpenBSD__) 1151 int 1152 usbd_print(void *aux, const char *pnp) 1153 { 1154 struct usb_attach_arg *uaa = aux; 1155 char devinfo[1024]; 1156 1157 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1158 if (pnp) { 1159 if (!uaa->usegeneric) 1160 return (QUIET); 1161 usbd_devinfo(uaa->device, 1, devinfo); 1162 aprint_normal("%s, %s", devinfo, pnp); 1163 } 1164 if (uaa->port != 0) 1165 aprint_normal(" port %d", uaa->port); 1166 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1167 aprint_normal(" configuration %d", uaa->configno); 1168 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1169 aprint_normal(" interface %d", uaa->ifaceno); 1170 #if 0 1171 /* 1172 * It gets very crowded with these locators on the attach line. 1173 * They are not really needed since they are printed in the clear 1174 * by each driver. 1175 */ 1176 if (uaa->vendor != UHUB_UNK_VENDOR) 1177 aprint_normal(" vendor 0x%04x", uaa->vendor); 1178 if (uaa->product != UHUB_UNK_PRODUCT) 1179 aprint_normal(" product 0x%04x", uaa->product); 1180 if (uaa->release != UHUB_UNK_RELEASE) 1181 aprint_normal(" release 0x%04x", uaa->release); 1182 #endif 1183 return (UNCONF); 1184 } 1185 1186 #if defined(__NetBSD__) 1187 int 1188 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1189 { 1190 #elif defined(__OpenBSD__) 1191 int 1192 usbd_submatch(struct device *parent, void *match, void *aux) 1193 { 1194 struct cfdata *cf = match; 1195 #endif 1196 struct usb_attach_arg *uaa = aux; 1197 1198 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1199 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1200 uaa->port, cf->uhubcf_port, 1201 uaa->configno, cf->uhubcf_configuration, 1202 uaa->ifaceno, cf->uhubcf_interface, 1203 uaa->vendor, cf->uhubcf_vendor, 1204 uaa->product, cf->uhubcf_product, 1205 uaa->release, cf->uhubcf_release)); 1206 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1207 ((uaa->port != 0 && 1208 cf->uhubcf_port != UHUB_UNK_PORT && 1209 cf->uhubcf_port != uaa->port) || 1210 (uaa->configno != UHUB_UNK_CONFIGURATION && 1211 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1212 cf->uhubcf_configuration != uaa->configno) || 1213 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1214 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1215 cf->uhubcf_interface != uaa->ifaceno) || 1216 (uaa->vendor != UHUB_UNK_VENDOR && 1217 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1218 cf->uhubcf_vendor != uaa->vendor) || 1219 (uaa->product != UHUB_UNK_PRODUCT && 1220 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1221 cf->uhubcf_product != uaa->product) || 1222 (uaa->release != UHUB_UNK_RELEASE && 1223 cf->uhubcf_release != UHUB_UNK_RELEASE && 1224 cf->uhubcf_release != uaa->release) 1225 ) 1226 ) 1227 return 0; 1228 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1229 cf->uhubcf_vendor == uaa->vendor && 1230 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1231 cf->uhubcf_product == uaa->product) { 1232 /* We have a vendor&product locator match */ 1233 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1234 cf->uhubcf_release == uaa->release) 1235 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1236 else 1237 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1238 } else 1239 uaa->matchlvl = 0; 1240 return (config_match(parent, cf, aux)); 1241 } 1242 1243 #endif 1244 1245 void 1246 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1247 int usedev) 1248 { 1249 struct usbd_port *p; 1250 int i, err, s; 1251 1252 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1253 di->udi_addr = dev->address; 1254 di->udi_cookie = dev->cookie; 1255 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1256 usbd_printBCD(di->udi_release, UGETW(dev->ddesc.bcdDevice)); 1257 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1258 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1259 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1260 di->udi_class = dev->ddesc.bDeviceClass; 1261 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1262 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1263 di->udi_config = dev->config; 1264 di->udi_power = dev->self_powered ? 0 : dev->power; 1265 di->udi_speed = dev->speed; 1266 1267 if (dev->subdevs != NULL) { 1268 for (i = 0; dev->subdevs[i] && 1269 i < USB_MAX_DEVNAMES; i++) { 1270 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1271 USB_MAX_DEVNAMELEN); 1272 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1273 } 1274 } else { 1275 i = 0; 1276 } 1277 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1278 di->udi_devnames[i][0] = 0; /* empty */ 1279 1280 if (dev->hub) { 1281 for (i = 0; 1282 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1283 i < dev->hub->hubdesc.bNbrPorts; 1284 i++) { 1285 p = &dev->hub->ports[i]; 1286 if (p->device) 1287 err = p->device->address; 1288 else { 1289 s = UGETW(p->status.wPortStatus); 1290 if (s & UPS_PORT_ENABLED) 1291 err = USB_PORT_ENABLED; 1292 else if (s & UPS_SUSPEND) 1293 err = USB_PORT_SUSPENDED; 1294 else if (s & UPS_PORT_POWER) 1295 err = USB_PORT_POWERED; 1296 else 1297 err = USB_PORT_DISABLED; 1298 } 1299 di->udi_ports[i] = err; 1300 } 1301 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1302 } else 1303 di->udi_nports = 0; 1304 } 1305 1306 void 1307 usb_free_device(usbd_device_handle dev) 1308 { 1309 int ifcidx, nifc; 1310 1311 if (dev->default_pipe != NULL) 1312 usbd_kill_pipe(dev->default_pipe); 1313 if (dev->ifaces != NULL) { 1314 nifc = dev->cdesc->bNumInterface; 1315 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1316 usbd_free_iface_data(dev, ifcidx); 1317 free(dev->ifaces, M_USB); 1318 } 1319 if (dev->cdesc != NULL) 1320 free(dev->cdesc, M_USB); 1321 if (dev->subdevs != NULL) 1322 free(dev->subdevs, M_USB); 1323 free(dev, M_USB); 1324 } 1325 1326 /* 1327 * The general mechanism for detaching drivers works as follows: Each 1328 * driver is responsible for maintaining a reference count on the 1329 * number of outstanding references to its softc (e.g. from 1330 * processing hanging in a read or write). The detach method of the 1331 * driver decrements this counter and flags in the softc that the 1332 * driver is dying and then wakes any sleepers. It then sleeps on the 1333 * softc. Each place that can sleep must maintain the reference 1334 * count. When the reference count drops to -1 (0 is the normal value 1335 * of the reference count) the a wakeup on the softc is performed 1336 * signaling to the detach waiter that all references are gone. 1337 */ 1338 1339 /* 1340 * Called from process context when we discover that a port has 1341 * been disconnected. 1342 */ 1343 void 1344 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1345 { 1346 usbd_device_handle dev = up->device; 1347 char *hubname = USBDEVPTRNAME(parent); 1348 int i; 1349 1350 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1351 up, dev, up->portno)); 1352 1353 #ifdef DIAGNOSTIC 1354 if (dev == NULL) { 1355 printf("usb_disconnect_port: no device\n"); 1356 return; 1357 } 1358 #endif 1359 1360 if (dev->subdevs != NULL) { 1361 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1362 for (i = 0; dev->subdevs[i]; i++) { 1363 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1364 hubname); 1365 if (up->portno != 0) 1366 printf(" port %d", up->portno); 1367 printf(" (addr %d) disconnected\n", dev->address); 1368 config_detach(dev->subdevs[i], DETACH_FORCE); 1369 } 1370 } 1371 1372 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1373 dev->bus->devices[dev->address] = NULL; 1374 up->device = NULL; 1375 usb_free_device(dev); 1376 } 1377 1378 #ifdef __OpenBSD__ 1379 void *usb_realloc(void *p, u_int size, int pool, int flags) 1380 { 1381 void *q; 1382 1383 q = malloc(size, pool, flags); 1384 if (q == NULL) 1385 return (NULL); 1386 bcopy(p, q, size); 1387 free(p, pool); 1388 return (q); 1389 } 1390 #endif 1391