1 /* $NetBSD: usb_subr.c,v 1.98 2002/02/20 20:30:13 christos 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 1.98 2002/02/20 20:30:13 christos Exp $"); 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/malloc.h> 48 #if defined(__NetBSD__) || defined(__OpenBSD__) 49 #include <sys/device.h> 50 #include <sys/select.h> 51 #elif defined(__FreeBSD__) 52 #include <sys/module.h> 53 #include <sys/bus.h> 54 #endif 55 #include <sys/proc.h> 56 57 #include <machine/bus.h> 58 59 #include <dev/usb/usb.h> 60 61 #include <dev/usb/usbdi.h> 62 #include <dev/usb/usbdi_util.h> 63 #include <dev/usb/usbdivar.h> 64 #include <dev/usb/usbdevs.h> 65 #include <dev/usb/usb_quirks.h> 66 67 #if defined(__FreeBSD__) 68 #include <machine/clock.h> 69 #define delay(d) DELAY(d) 70 #endif 71 72 #ifdef USB_DEBUG 73 #define DPRINTF(x) if (usbdebug) logprintf x 74 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 75 extern int usbdebug; 76 #else 77 #define DPRINTF(x) 78 #define DPRINTFN(n,x) 79 #endif 80 81 Static usbd_status usbd_set_config(usbd_device_handle, int); 82 Static void usbd_devinfo_vp(usbd_device_handle, char *, char *, int); 83 Static char *usbd_get_string(usbd_device_handle, int, char *); 84 Static int usbd_getnewaddr(usbd_bus_handle bus); 85 #if defined(__NetBSD__) 86 Static int usbd_print(void *aux, const char *pnp); 87 Static int usbd_submatch(device_ptr_t, struct cfdata *cf, void *); 88 #elif defined(__OpenBSD__) 89 Static int usbd_print(void *aux, const char *pnp); 90 Static int usbd_submatch(device_ptr_t, void *, void *); 91 #endif 92 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 93 Static void usbd_kill_pipe(usbd_pipe_handle); 94 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 95 usbd_device_handle dev, int port, int addr); 96 97 Static u_int32_t usb_cookie_no = 0; 98 99 #ifdef USBVERBOSE 100 typedef u_int16_t usb_vendor_id_t; 101 typedef u_int16_t usb_product_id_t; 102 103 /* 104 * Descriptions of of known vendors and devices ("products"). 105 */ 106 struct usb_knowndev { 107 usb_vendor_id_t vendor; 108 usb_product_id_t product; 109 int flags; 110 char *vendorname, *productname; 111 }; 112 #define USB_KNOWNDEV_NOPROD 0x01 /* match on vendor only */ 113 114 #include <dev/usb/usbdevs_data.h> 115 #endif /* USBVERBOSE */ 116 117 Static const char * const usbd_error_strs[] = { 118 "NORMAL_COMPLETION", 119 "IN_PROGRESS", 120 "PENDING_REQUESTS", 121 "NOT_STARTED", 122 "INVAL", 123 "NOMEM", 124 "CANCELLED", 125 "BAD_ADDRESS", 126 "IN_USE", 127 "NO_ADDR", 128 "SET_ADDR_FAILED", 129 "NO_POWER", 130 "TOO_DEEP", 131 "IOERROR", 132 "NOT_CONFIGURED", 133 "TIMEOUT", 134 "SHORT_XFER", 135 "STALLED", 136 "INTERRUPTED", 137 "XXX", 138 }; 139 140 const char * 141 usbd_errstr(usbd_status err) 142 { 143 static char buffer[5]; 144 145 if (err < USBD_ERROR_MAX) { 146 return usbd_error_strs[err]; 147 } else { 148 snprintf(buffer, sizeof buffer, "%d", err); 149 return buffer; 150 } 151 } 152 153 usbd_status 154 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 155 usb_string_descriptor_t *sdesc) 156 { 157 usb_device_request_t req; 158 usbd_status err; 159 160 req.bmRequestType = UT_READ_DEVICE; 161 req.bRequest = UR_GET_DESCRIPTOR; 162 USETW2(req.wValue, UDESC_STRING, sindex); 163 USETW(req.wIndex, langid); 164 USETW(req.wLength, 1); /* only size byte first */ 165 err = usbd_do_request(dev, &req, sdesc); 166 if (err) 167 return (err); 168 USETW(req.wLength, sdesc->bLength); /* the whole string */ 169 return (usbd_do_request(dev, &req, sdesc)); 170 } 171 172 char * 173 usbd_get_string(usbd_device_handle dev, int si, char *buf) 174 { 175 int swap = dev->quirks->uq_flags & UQ_SWAP_UNICODE; 176 usb_string_descriptor_t us; 177 char *s; 178 int i, n; 179 u_int16_t c; 180 usbd_status err; 181 182 if (si == 0) 183 return (0); 184 if (dev->quirks->uq_flags & UQ_NO_STRINGS) 185 return (0); 186 if (dev->langid == USBD_NOLANG) { 187 /* Set up default language */ 188 err = usbd_get_string_desc(dev, USB_LANGUAGE_TABLE, 0, &us); 189 if (err || us.bLength < 4) { 190 dev->langid = 0; /* Well, just pick something then */ 191 } else { 192 /* Pick the first language as the default. */ 193 dev->langid = UGETW(us.bString[0]); 194 } 195 } 196 err = usbd_get_string_desc(dev, si, dev->langid, &us); 197 if (err) 198 return (0); 199 s = buf; 200 n = us.bLength / 2 - 1; 201 for (i = 0; i < n; i++) { 202 c = UGETW(us.bString[i]); 203 /* Convert from Unicode, handle buggy strings. */ 204 if ((c & 0xff00) == 0) 205 *s++ = c; 206 else if ((c & 0x00ff) == 0 && swap) 207 *s++ = c >> 8; 208 else 209 *s++ = '?'; 210 } 211 *s++ = 0; 212 return (buf); 213 } 214 215 static void 216 usbd_trim_spaces(char *p) 217 { 218 char *q, *e; 219 220 if (p == NULL) 221 return; 222 q = e = p; 223 while (*q == ' ') /* skip leading spaces */ 224 q++; 225 while ((*p = *q++)) /* copy string */ 226 if (*p++ != ' ') /* remember last non-space */ 227 e = p; 228 *e = 0; /* kill trailing spaces */ 229 } 230 231 void 232 usbd_devinfo_vp(usbd_device_handle dev, char *v, char *p, int usedev) 233 { 234 usb_device_descriptor_t *udd = &dev->ddesc; 235 char *vendor = 0, *product = 0; 236 #ifdef USBVERBOSE 237 const struct usb_knowndev *kdp; 238 #endif 239 240 if (dev == NULL) { 241 v[0] = p[0] = '\0'; 242 return; 243 } 244 245 if (usedev) { 246 vendor = usbd_get_string(dev, udd->iManufacturer, v); 247 usbd_trim_spaces(vendor); 248 product = usbd_get_string(dev, udd->iProduct, p); 249 usbd_trim_spaces(product); 250 } else { 251 vendor = NULL; 252 product = NULL; 253 } 254 #ifdef USBVERBOSE 255 if (vendor == NULL || product == NULL) { 256 for(kdp = usb_knowndevs; 257 kdp->vendorname != NULL; 258 kdp++) { 259 if (kdp->vendor == UGETW(udd->idVendor) && 260 (kdp->product == UGETW(udd->idProduct) || 261 (kdp->flags & USB_KNOWNDEV_NOPROD) != 0)) 262 break; 263 } 264 if (kdp->vendorname != NULL) { 265 if (vendor == NULL) 266 vendor = kdp->vendorname; 267 if (product == NULL) 268 product = (kdp->flags & USB_KNOWNDEV_NOPROD) == 0 ? 269 kdp->productname : NULL; 270 } 271 } 272 #endif 273 if (vendor != NULL && *vendor) 274 strcpy(v, vendor); 275 else 276 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 277 if (product != NULL && *product) 278 strcpy(p, product); 279 else 280 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 281 } 282 283 int 284 usbd_printBCD(char *cp, int bcd) 285 { 286 return (sprintf(cp, "%x.%02x", bcd >> 8, bcd & 0xff)); 287 } 288 289 void 290 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp) 291 { 292 usb_device_descriptor_t *udd = &dev->ddesc; 293 char vendor[USB_MAX_STRING_LEN]; 294 char product[USB_MAX_STRING_LEN]; 295 int bcdDevice, bcdUSB; 296 297 usbd_devinfo_vp(dev, vendor, product, 1); 298 cp += sprintf(cp, "%s %s", vendor, product); 299 if (showclass) 300 cp += sprintf(cp, ", class %d/%d", 301 udd->bDeviceClass, udd->bDeviceSubClass); 302 bcdUSB = UGETW(udd->bcdUSB); 303 bcdDevice = UGETW(udd->bcdDevice); 304 cp += sprintf(cp, ", rev "); 305 cp += usbd_printBCD(cp, bcdUSB); 306 *cp++ = '/'; 307 cp += usbd_printBCD(cp, bcdDevice); 308 cp += sprintf(cp, ", addr %d", dev->address); 309 *cp = 0; 310 } 311 312 /* Delay for a certain number of ms */ 313 void 314 usb_delay_ms(usbd_bus_handle bus, u_int ms) 315 { 316 /* Wait at least two clock ticks so we know the time has passed. */ 317 if (bus->use_polling || cold) 318 delay((ms+1) * 1000); 319 else 320 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 321 } 322 323 /* Delay given a device handle. */ 324 void 325 usbd_delay_ms(usbd_device_handle dev, u_int ms) 326 { 327 usb_delay_ms(dev->bus, ms); 328 } 329 330 usbd_status 331 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 332 { 333 usb_device_request_t req; 334 usbd_status err; 335 int n; 336 337 req.bmRequestType = UT_WRITE_CLASS_OTHER; 338 req.bRequest = UR_SET_FEATURE; 339 USETW(req.wValue, UHF_PORT_RESET); 340 USETW(req.wIndex, port); 341 USETW(req.wLength, 0); 342 err = usbd_do_request(dev, &req, 0); 343 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 344 port, usbd_errstr(err))); 345 if (err) 346 return (err); 347 n = 10; 348 do { 349 /* Wait for device to recover from reset. */ 350 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 351 err = usbd_get_port_status(dev, port, ps); 352 if (err) { 353 DPRINTF(("usbd_reset_port: get status failed %d\n", 354 err)); 355 return (err); 356 } 357 /* If the device disappeared, just give up. */ 358 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 359 return (USBD_NORMAL_COMPLETION); 360 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 361 if (n == 0) 362 return (USBD_TIMEOUT); 363 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 364 #ifdef USB_DEBUG 365 if (err) 366 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 367 err)); 368 #endif 369 370 /* Wait for the device to recover from reset. */ 371 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 372 return (err); 373 } 374 375 usb_interface_descriptor_t * 376 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 377 { 378 char *p = (char *)cd; 379 char *end = p + UGETW(cd->wTotalLength); 380 usb_interface_descriptor_t *d; 381 int curidx, lastidx, curaidx = 0; 382 383 for (curidx = lastidx = -1; p < end; ) { 384 d = (usb_interface_descriptor_t *)p; 385 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 386 "type=%d\n", 387 ifaceidx, curidx, altidx, curaidx, 388 d->bLength, d->bDescriptorType)); 389 if (d->bLength == 0) /* bad descriptor */ 390 break; 391 p += d->bLength; 392 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 393 if (d->bInterfaceNumber != lastidx) { 394 lastidx = d->bInterfaceNumber; 395 curidx++; 396 curaidx = 0; 397 } else 398 curaidx++; 399 if (ifaceidx == curidx && altidx == curaidx) 400 return (d); 401 } 402 } 403 return (NULL); 404 } 405 406 usb_endpoint_descriptor_t * 407 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 408 int endptidx) 409 { 410 char *p = (char *)cd; 411 char *end = p + UGETW(cd->wTotalLength); 412 usb_interface_descriptor_t *d; 413 usb_endpoint_descriptor_t *e; 414 int curidx; 415 416 d = usbd_find_idesc(cd, ifaceidx, altidx); 417 if (d == NULL) 418 return (NULL); 419 if (endptidx >= d->bNumEndpoints) /* quick exit */ 420 return (NULL); 421 422 curidx = -1; 423 for (p = (char *)d + d->bLength; p < end; ) { 424 e = (usb_endpoint_descriptor_t *)p; 425 if (e->bLength == 0) /* bad descriptor */ 426 break; 427 p += e->bLength; 428 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 429 return (NULL); 430 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 431 curidx++; 432 if (curidx == endptidx) 433 return (e); 434 } 435 } 436 return (NULL); 437 } 438 439 usbd_status 440 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 441 { 442 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 443 usb_interface_descriptor_t *idesc; 444 char *p, *end; 445 int endpt, nendpt; 446 447 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 448 ifaceidx, altidx)); 449 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 450 if (idesc == NULL) 451 return (USBD_INVAL); 452 ifc->device = dev; 453 ifc->idesc = idesc; 454 ifc->index = ifaceidx; 455 ifc->altindex = altidx; 456 nendpt = ifc->idesc->bNumEndpoints; 457 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 458 if (nendpt != 0) { 459 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 460 M_USB, M_NOWAIT); 461 if (ifc->endpoints == NULL) 462 return (USBD_NOMEM); 463 } else 464 ifc->endpoints = NULL; 465 ifc->priv = NULL; 466 p = (char *)ifc->idesc + ifc->idesc->bLength; 467 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 468 #define ed ((usb_endpoint_descriptor_t *)p) 469 for (endpt = 0; endpt < nendpt; endpt++) { 470 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 471 for (; p < end; p += ed->bLength) { 472 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 473 "len=%d type=%d\n", 474 p, end, ed->bLength, ed->bDescriptorType)); 475 if (p + ed->bLength <= end && ed->bLength != 0 && 476 ed->bDescriptorType == UDESC_ENDPOINT) 477 goto found; 478 if (ed->bLength == 0 || 479 ed->bDescriptorType == UDESC_INTERFACE) 480 break; 481 } 482 /* passed end, or bad desc */ 483 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 484 ed->bLength == 0 ? "0 length" : 485 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 486 "out of data"); 487 goto bad; 488 found: 489 ifc->endpoints[endpt].edesc = ed; 490 if (dev->speed == USB_SPEED_HIGH) { 491 u_int mps; 492 /* Control and bulk endpoints have max packet limits. */ 493 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 494 case UE_CONTROL: 495 mps = USB_2_MAX_CTRL_PACKET; 496 goto check; 497 case UE_BULK: 498 mps = USB_2_MAX_BULK_PACKET; 499 check: 500 if (UGETW(ed->wMaxPacketSize) != mps) { 501 USETW(ed->wMaxPacketSize, mps); 502 #ifdef DIAGNOSTIC 503 printf("usbd_fill_iface_data: bad max " 504 "packet size\n"); 505 #endif 506 } 507 break; 508 default: 509 break; 510 } 511 } 512 ifc->endpoints[endpt].refcnt = 0; 513 p += ed->bLength; 514 } 515 #undef ed 516 LIST_INIT(&ifc->pipes); 517 return (USBD_NORMAL_COMPLETION); 518 519 bad: 520 if (ifc->endpoints != NULL) { 521 free(ifc->endpoints, M_USB); 522 ifc->endpoints = NULL; 523 } 524 return (USBD_INVAL); 525 } 526 527 void 528 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 529 { 530 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 531 if (ifc->endpoints) 532 free(ifc->endpoints, M_USB); 533 } 534 535 Static usbd_status 536 usbd_set_config(usbd_device_handle dev, int conf) 537 { 538 usb_device_request_t req; 539 540 req.bmRequestType = UT_WRITE_DEVICE; 541 req.bRequest = UR_SET_CONFIG; 542 USETW(req.wValue, conf); 543 USETW(req.wIndex, 0); 544 USETW(req.wLength, 0); 545 return (usbd_do_request(dev, &req, 0)); 546 } 547 548 usbd_status 549 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 550 { 551 int index; 552 usb_config_descriptor_t cd; 553 usbd_status err; 554 555 if (no == USB_UNCONFIG_NO) 556 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 557 558 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 559 /* Figure out what config index to use. */ 560 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 561 err = usbd_get_config_desc(dev, index, &cd); 562 if (err) 563 return (err); 564 if (cd.bConfigurationValue == no) 565 return (usbd_set_config_index(dev, index, msg)); 566 } 567 return (USBD_INVAL); 568 } 569 570 usbd_status 571 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 572 { 573 usb_status_t ds; 574 usb_config_descriptor_t cd, *cdp; 575 usbd_status err; 576 int ifcidx, nifc, len, selfpowered, power; 577 578 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 579 580 /* XXX check that all interfaces are idle */ 581 if (dev->config != USB_UNCONFIG_NO) { 582 DPRINTF(("usbd_set_config_index: free old config\n")); 583 /* Free all configuration data structures. */ 584 nifc = dev->cdesc->bNumInterface; 585 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 586 usbd_free_iface_data(dev, ifcidx); 587 free(dev->ifaces, M_USB); 588 free(dev->cdesc, M_USB); 589 dev->ifaces = NULL; 590 dev->cdesc = NULL; 591 dev->config = USB_UNCONFIG_NO; 592 } 593 594 if (index == USB_UNCONFIG_INDEX) { 595 /* We are unconfiguring the device, so leave unallocated. */ 596 DPRINTF(("usbd_set_config_index: set config 0\n")); 597 err = usbd_set_config(dev, USB_UNCONFIG_NO); 598 if (err) 599 DPRINTF(("usbd_set_config_index: setting config=0 " 600 "failed, error=%s\n", usbd_errstr(err))); 601 return (err); 602 } 603 604 /* Get the short descriptor. */ 605 err = usbd_get_config_desc(dev, index, &cd); 606 if (err) 607 return (err); 608 len = UGETW(cd.wTotalLength); 609 cdp = malloc(len, M_USB, M_NOWAIT); 610 if (cdp == NULL) 611 return (USBD_NOMEM); 612 /* Get the full descriptor. */ 613 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 614 if (err) 615 goto bad; 616 if (cdp->bDescriptorType != UDESC_CONFIG) { 617 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 618 cdp->bDescriptorType)); 619 err = USBD_INVAL; 620 goto bad; 621 } 622 623 /* Figure out if the device is self or bus powered. */ 624 selfpowered = 0; 625 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 626 (cdp->bmAttributes & UC_SELF_POWERED)) { 627 /* May be self powered. */ 628 if (cdp->bmAttributes & UC_BUS_POWERED) { 629 /* Must ask device. */ 630 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 631 /* 632 * Hub claims to be self powered, but isn't. 633 * It seems that the power status can be 634 * determined by the hub characteristics. 635 */ 636 usb_hub_descriptor_t hd; 637 usb_device_request_t req; 638 req.bmRequestType = UT_READ_CLASS_DEVICE; 639 req.bRequest = UR_GET_DESCRIPTOR; 640 USETW(req.wValue, 0); 641 USETW(req.wIndex, 0); 642 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 643 err = usbd_do_request(dev, &req, &hd); 644 if (!err && 645 (UGETW(hd.wHubCharacteristics) & 646 UHD_PWR_INDIVIDUAL)) 647 selfpowered = 1; 648 DPRINTF(("usbd_set_config_index: charac=0x%04x" 649 ", error=%s\n", 650 UGETW(hd.wHubCharacteristics), 651 usbd_errstr(err))); 652 } else { 653 err = usbd_get_device_status(dev, &ds); 654 if (!err && 655 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 656 selfpowered = 1; 657 DPRINTF(("usbd_set_config_index: status=0x%04x" 658 ", error=%s\n", 659 UGETW(ds.wStatus), usbd_errstr(err))); 660 } 661 } else 662 selfpowered = 1; 663 } 664 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 665 "selfpowered=%d, power=%d\n", 666 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 667 selfpowered, cdp->bMaxPower * 2)); 668 669 /* Check if we have enough power. */ 670 #ifdef USB_DEBUG 671 if (dev->powersrc == NULL) { 672 DPRINTF(("usbd_set_config_index: No power source?\n")); 673 return (USBD_IOERROR); 674 } 675 #endif 676 power = cdp->bMaxPower * 2; 677 if (power > dev->powersrc->power) { 678 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 679 /* XXX print nicer message. */ 680 if (msg) 681 printf("%s: device addr %d (config %d) exceeds power " 682 "budget, %d mA > %d mA\n", 683 USBDEVNAME(dev->bus->bdev), dev->address, 684 cdp->bConfigurationValue, 685 power, dev->powersrc->power); 686 err = USBD_NO_POWER; 687 goto bad; 688 } 689 dev->power = power; 690 dev->self_powered = selfpowered; 691 692 /* Set the actual configuration value. */ 693 DPRINTF(("usbd_set_config_index: set config %d\n", 694 cdp->bConfigurationValue)); 695 err = usbd_set_config(dev, cdp->bConfigurationValue); 696 if (err) { 697 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 698 "error=%s\n", 699 cdp->bConfigurationValue, usbd_errstr(err))); 700 goto bad; 701 } 702 703 /* Allocate and fill interface data. */ 704 nifc = cdp->bNumInterface; 705 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 706 M_USB, M_NOWAIT); 707 if (dev->ifaces == NULL) { 708 err = USBD_NOMEM; 709 goto bad; 710 } 711 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 712 dev->cdesc = cdp; 713 dev->config = cdp->bConfigurationValue; 714 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 715 err = usbd_fill_iface_data(dev, ifcidx, 0); 716 if (err) { 717 while (--ifcidx >= 0) 718 usbd_free_iface_data(dev, ifcidx); 719 goto bad; 720 } 721 } 722 723 return (USBD_NORMAL_COMPLETION); 724 725 bad: 726 free(cdp, M_USB); 727 return (err); 728 } 729 730 /* XXX add function for alternate settings */ 731 732 usbd_status 733 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 734 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 735 { 736 usbd_pipe_handle p; 737 usbd_status err; 738 739 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 740 dev, iface, ep, pipe)); 741 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 742 if (p == NULL) 743 return (USBD_NOMEM); 744 p->device = dev; 745 p->iface = iface; 746 p->endpoint = ep; 747 ep->refcnt++; 748 p->refcnt = 1; 749 p->intrxfer = 0; 750 p->running = 0; 751 p->aborting = 0; 752 p->repeat = 0; 753 p->interval = ival; 754 SIMPLEQ_INIT(&p->queue); 755 err = dev->bus->methods->open_pipe(p); 756 if (err) { 757 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 758 "%s\n", 759 ep->edesc->bEndpointAddress, usbd_errstr(err))); 760 free(p, M_USB); 761 return (err); 762 } 763 /* Clear any stall and make sure DATA0 toggle will be used next. */ 764 if (UE_GET_ADDR(ep->edesc->bEndpointAddress) != USB_CONTROL_ENDPOINT) 765 usbd_clear_endpoint_stall(p); 766 *pipe = p; 767 return (USBD_NORMAL_COMPLETION); 768 } 769 770 /* Abort the device control pipe. */ 771 void 772 usbd_kill_pipe(usbd_pipe_handle pipe) 773 { 774 usbd_abort_pipe(pipe); 775 pipe->methods->close(pipe); 776 pipe->endpoint->refcnt--; 777 free(pipe, M_USB); 778 } 779 780 int 781 usbd_getnewaddr(usbd_bus_handle bus) 782 { 783 int addr; 784 785 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 786 if (bus->devices[addr] == 0) 787 return (addr); 788 return (-1); 789 } 790 791 792 usbd_status 793 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 794 int port, int addr) 795 { 796 struct usb_attach_arg uaa; 797 usb_device_descriptor_t *dd = &dev->ddesc; 798 int found, i, confi, nifaces; 799 usbd_status err; 800 device_ptr_t dv; 801 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 802 803 #if defined(__FreeBSD__) 804 /* 805 * XXX uaa is a static var. Not a problem as it _should_ be used only 806 * during probe and attach. Should be changed however. 807 */ 808 device_t bdev; 809 bdev = device_add_child(parent, NULL, -1, &uaa); 810 if (!bdev) { 811 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 812 return (USBD_INVAL); 813 } 814 device_quiet(bdev); 815 #endif 816 817 uaa.device = dev; 818 uaa.iface = NULL; 819 uaa.ifaces = NULL; 820 uaa.nifaces = 0; 821 uaa.usegeneric = 0; 822 uaa.port = port; 823 uaa.configno = UHUB_UNK_CONFIGURATION; 824 uaa.ifaceno = UHUB_UNK_INTERFACE; 825 uaa.vendor = UGETW(dd->idVendor); 826 uaa.product = UGETW(dd->idProduct); 827 uaa.release = UGETW(dd->bcdDevice); 828 829 /* First try with device specific drivers. */ 830 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 831 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 832 if (dv) { 833 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 834 if (dev->subdevs == NULL) 835 return (USBD_NOMEM); 836 dev->subdevs[0] = dv; 837 dev->subdevs[1] = 0; 838 return (USBD_NORMAL_COMPLETION); 839 } 840 841 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 842 843 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 844 dd->bNumConfigurations)); 845 /* Next try with interface drivers. */ 846 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 847 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 848 confi)); 849 err = usbd_set_config_index(dev, confi, 1); 850 if (err) { 851 #ifdef USB_DEBUG 852 DPRINTF(("%s: port %d, set config at addr %d failed, " 853 "error=%s\n", USBDEVPTRNAME(parent), port, 854 addr, usbd_errstr(err))); 855 #else 856 printf("%s: port %d, set config at addr %d failed\n", 857 USBDEVPTRNAME(parent), port, addr); 858 #endif 859 #if defined(__FreeBSD__) 860 device_delete_child(parent, bdev); 861 #endif 862 863 return (err); 864 } 865 nifaces = dev->cdesc->bNumInterface; 866 uaa.configno = dev->cdesc->bConfigurationValue; 867 for (i = 0; i < nifaces; i++) 868 ifaces[i] = &dev->ifaces[i]; 869 uaa.ifaces = ifaces; 870 uaa.nifaces = nifaces; 871 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 872 if (dev->subdevs == NULL) { 873 #if defined(__FreeBSD__) 874 device_delete_child(parent, bdev); 875 #endif 876 return (USBD_NOMEM); 877 } 878 879 found = 0; 880 for (i = 0; i < nifaces; i++) { 881 if (ifaces[i] == NULL) 882 continue; /* interface already claimed */ 883 uaa.iface = ifaces[i]; 884 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 885 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 886 usbd_submatch); 887 if (dv != NULL) { 888 dev->subdevs[found++] = dv; 889 dev->subdevs[found] = 0; 890 ifaces[i] = 0; /* consumed */ 891 892 #if defined(__FreeBSD__) 893 /* create another child for the next iface */ 894 bdev = device_add_child(parent, NULL, -1,&uaa); 895 if (!bdev) { 896 printf("%s: Device creation failed\n", 897 USBDEVNAME(dev->bus->bdev)); 898 return (USBD_NORMAL_COMPLETION); 899 } 900 device_quiet(bdev); 901 #endif 902 } 903 } 904 if (found != 0) { 905 #if defined(__FreeBSD__) 906 /* remove the last created child again; it is unused */ 907 device_delete_child(parent, bdev); 908 #endif 909 return (USBD_NORMAL_COMPLETION); 910 } 911 free(dev->subdevs, M_USB); 912 dev->subdevs = 0; 913 } 914 /* No interfaces were attached in any of the configurations. */ 915 916 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 917 usbd_set_config_index(dev, 0, 0); 918 919 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 920 921 /* Finally try the generic driver. */ 922 uaa.iface = NULL; 923 uaa.usegeneric = 1; 924 uaa.configno = UHUB_UNK_CONFIGURATION; 925 uaa.ifaceno = UHUB_UNK_INTERFACE; 926 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 927 if (dv != NULL) { 928 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 929 if (dev->subdevs == 0) 930 return (USBD_NOMEM); 931 dev->subdevs[0] = dv; 932 dev->subdevs[1] = 0; 933 return (USBD_NORMAL_COMPLETION); 934 } 935 936 /* 937 * The generic attach failed, but leave the device as it is. 938 * We just did not find any drivers, that's all. The device is 939 * fully operational and not harming anyone. 940 */ 941 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 942 #if defined(__FreeBSD__) 943 device_delete_child(parent, bdev); 944 #endif 945 return (USBD_NORMAL_COMPLETION); 946 } 947 948 949 /* 950 * Called when a new device has been put in the powered state, 951 * but not yet in the addressed state. 952 * Get initial descriptor, set the address, get full descriptor, 953 * and attach a driver. 954 */ 955 usbd_status 956 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 957 int speed, int port, struct usbd_port *up) 958 { 959 usbd_device_handle dev; 960 struct usbd_device *hub; 961 usb_device_descriptor_t *dd; 962 usbd_status err; 963 int addr; 964 int i; 965 966 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 967 bus, port, depth, speed)); 968 addr = usbd_getnewaddr(bus); 969 if (addr < 0) { 970 printf("%s: No free USB addresses, new device ignored.\n", 971 USBDEVNAME(bus->bdev)); 972 return (USBD_NO_ADDR); 973 } 974 975 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 976 if (dev == NULL) 977 return (USBD_NOMEM); 978 979 dev->bus = bus; 980 981 /* Set up default endpoint handle. */ 982 dev->def_ep.edesc = &dev->def_ep_desc; 983 984 /* Set up default endpoint descriptor. */ 985 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 986 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 987 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 988 dev->def_ep_desc.bmAttributes = UE_CONTROL; 989 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 990 dev->def_ep_desc.bInterval = 0; 991 992 dev->quirks = &usbd_no_quirk; 993 dev->address = USB_START_ADDR; 994 dev->ddesc.bMaxPacketSize = 0; 995 dev->depth = depth; 996 dev->powersrc = up; 997 dev->myhub = up->parent; 998 for (hub = up->parent; 999 hub != NULL && hub->speed != USB_SPEED_HIGH; 1000 hub = hub->myhub) 1001 ; 1002 dev->myhighhub = hub; 1003 dev->speed = speed; 1004 dev->langid = USBD_NOLANG; 1005 dev->cookie.cookie = ++usb_cookie_no; 1006 1007 /* Establish the default pipe. */ 1008 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1009 &dev->default_pipe); 1010 if (err) { 1011 usbd_remove_device(dev, up); 1012 return (err); 1013 } 1014 1015 up->device = dev; 1016 dd = &dev->ddesc; 1017 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1018 for (i = 0; i < 3; i++) { 1019 /* Get the first 8 bytes of the device descriptor. */ 1020 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1021 if (!err) 1022 break; 1023 usbd_delay_ms(dev, 200); 1024 } 1025 if (err) { 1026 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1027 "failed\n", addr)); 1028 usbd_remove_device(dev, up); 1029 return (err); 1030 } 1031 1032 if (speed == USB_SPEED_HIGH) { 1033 /* Max packet size must be 64 (sec 5.5.3). */ 1034 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1035 #ifdef DIAGNOSTIC 1036 printf("usbd_new_device: addr=%d bad max packet size\n", 1037 addr); 1038 #endif 1039 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1040 } 1041 } 1042 1043 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1044 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1045 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1046 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1047 dev->speed)); 1048 1049 if (dd->bDescriptorType != UDESC_DEVICE) { 1050 /* Illegal device descriptor */ 1051 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1052 dd->bDescriptorType)); 1053 usbd_remove_device(dev, up); 1054 return (USBD_INVAL); 1055 } 1056 1057 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1058 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1059 usbd_remove_device(dev, up); 1060 return (USBD_INVAL); 1061 } 1062 1063 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1064 1065 err = usbd_reload_device_desc(dev); 1066 if (err) { 1067 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1068 "failed\n", addr)); 1069 usbd_remove_device(dev, up); 1070 return (err); 1071 } 1072 1073 /* Set the address */ 1074 err = usbd_set_address(dev, addr); 1075 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1076 if (err) { 1077 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1078 err = USBD_SET_ADDR_FAILED; 1079 usbd_remove_device(dev, up); 1080 return (err); 1081 } 1082 /* Allow device time to set new address */ 1083 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1084 1085 dev->address = addr; /* New device address now */ 1086 bus->devices[addr] = dev; 1087 1088 /* Assume 100mA bus powered for now. Changed when configured. */ 1089 dev->power = USB_MIN_POWER; 1090 dev->self_powered = 0; 1091 1092 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1093 addr, dev, parent)); 1094 1095 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1096 1097 err = usbd_probe_and_attach(parent, dev, port, addr); 1098 if (err) { 1099 usbd_remove_device(dev, up); 1100 return (err); 1101 } 1102 1103 return (USBD_NORMAL_COMPLETION); 1104 } 1105 1106 usbd_status 1107 usbd_reload_device_desc(usbd_device_handle dev) 1108 { 1109 usbd_status err; 1110 1111 /* Get the full device descriptor. */ 1112 err = usbd_get_device_desc(dev, &dev->ddesc); 1113 if (err) 1114 return (err); 1115 1116 /* Figure out what's wrong with this device. */ 1117 dev->quirks = usbd_find_quirk(&dev->ddesc); 1118 1119 return (USBD_NORMAL_COMPLETION); 1120 } 1121 1122 void 1123 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1124 { 1125 DPRINTF(("usbd_remove_device: %p\n", dev)); 1126 1127 if (dev->default_pipe != NULL) 1128 usbd_kill_pipe(dev->default_pipe); 1129 up->device = 0; 1130 dev->bus->devices[dev->address] = 0; 1131 1132 free(dev, M_USB); 1133 } 1134 1135 #if defined(__NetBSD__) || defined(__OpenBSD__) 1136 int 1137 usbd_print(void *aux, const char *pnp) 1138 { 1139 struct usb_attach_arg *uaa = aux; 1140 char devinfo[1024]; 1141 1142 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1143 if (pnp) { 1144 if (!uaa->usegeneric) 1145 return (QUIET); 1146 usbd_devinfo(uaa->device, 1, devinfo); 1147 printf("%s, %s", devinfo, pnp); 1148 } 1149 if (uaa->port != 0) 1150 printf(" port %d", uaa->port); 1151 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1152 printf(" configuration %d", uaa->configno); 1153 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1154 printf(" interface %d", uaa->ifaceno); 1155 #if 0 1156 /* 1157 * It gets very crowded with these locators on the attach line. 1158 * They are not really needed since they are printed in the clear 1159 * by each driver. 1160 */ 1161 if (uaa->vendor != UHUB_UNK_VENDOR) 1162 printf(" vendor 0x%04x", uaa->vendor); 1163 if (uaa->product != UHUB_UNK_PRODUCT) 1164 printf(" product 0x%04x", uaa->product); 1165 if (uaa->release != UHUB_UNK_RELEASE) 1166 printf(" release 0x%04x", uaa->release); 1167 #endif 1168 return (UNCONF); 1169 } 1170 1171 #if defined(__NetBSD__) 1172 int 1173 usbd_submatch(struct device *parent, struct cfdata *cf, void *aux) 1174 { 1175 #elif defined(__OpenBSD__) 1176 int 1177 usbd_submatch(struct device *parent, void *match, void *aux) 1178 { 1179 struct cfdata *cf = match; 1180 #endif 1181 struct usb_attach_arg *uaa = aux; 1182 1183 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1184 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1185 uaa->port, cf->uhubcf_port, 1186 uaa->configno, cf->uhubcf_configuration, 1187 uaa->ifaceno, cf->uhubcf_interface, 1188 uaa->vendor, cf->uhubcf_vendor, 1189 uaa->product, cf->uhubcf_product, 1190 uaa->release, cf->uhubcf_release)); 1191 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1192 ((uaa->port != 0 && 1193 cf->uhubcf_port != UHUB_UNK_PORT && 1194 cf->uhubcf_port != uaa->port) || 1195 (uaa->configno != UHUB_UNK_CONFIGURATION && 1196 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1197 cf->uhubcf_configuration != uaa->configno) || 1198 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1199 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1200 cf->uhubcf_interface != uaa->ifaceno) || 1201 (uaa->vendor != UHUB_UNK_VENDOR && 1202 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1203 cf->uhubcf_vendor != uaa->vendor) || 1204 (uaa->product != UHUB_UNK_PRODUCT && 1205 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1206 cf->uhubcf_product != uaa->product) || 1207 (uaa->release != UHUB_UNK_RELEASE && 1208 cf->uhubcf_release != UHUB_UNK_RELEASE && 1209 cf->uhubcf_release != uaa->release) 1210 ) 1211 ) 1212 return 0; 1213 if (cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1214 cf->uhubcf_vendor == uaa->vendor && 1215 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1216 cf->uhubcf_product == uaa->product) { 1217 /* We have a vendor&product locator match */ 1218 if (cf->uhubcf_release != UHUB_UNK_RELEASE && 1219 cf->uhubcf_release == uaa->release) 1220 uaa->matchlvl = UMATCH_VENDOR_PRODUCT_REV; 1221 else 1222 uaa->matchlvl = UMATCH_VENDOR_PRODUCT; 1223 } else 1224 uaa->matchlvl = 0; 1225 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 1226 } 1227 1228 #endif 1229 1230 void 1231 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1232 int usedev) 1233 { 1234 struct usbd_port *p; 1235 int i, err, s; 1236 1237 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1238 di->udi_addr = dev->address; 1239 di->udi_cookie = dev->cookie; 1240 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1241 usbd_printBCD(di->udi_release, UGETW(dev->ddesc.bcdDevice)); 1242 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1243 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1244 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1245 di->udi_class = dev->ddesc.bDeviceClass; 1246 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1247 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1248 di->udi_config = dev->config; 1249 di->udi_power = dev->self_powered ? 0 : dev->power; 1250 di->udi_speed = dev->speed; 1251 1252 if (dev->subdevs != NULL) { 1253 for (i = 0; dev->subdevs[i] && 1254 i < USB_MAX_DEVNAMES; i++) { 1255 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1256 USB_MAX_DEVNAMELEN); 1257 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1258 } 1259 } else { 1260 i = 0; 1261 } 1262 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1263 di->udi_devnames[i][0] = 0; /* empty */ 1264 1265 if (dev->hub) { 1266 for (i = 0; 1267 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1268 i < dev->hub->hubdesc.bNbrPorts; 1269 i++) { 1270 p = &dev->hub->ports[i]; 1271 if (p->device) 1272 err = p->device->address; 1273 else { 1274 s = UGETW(p->status.wPortStatus); 1275 if (s & UPS_PORT_ENABLED) 1276 err = USB_PORT_ENABLED; 1277 else if (s & UPS_SUSPEND) 1278 err = USB_PORT_SUSPENDED; 1279 else if (s & UPS_PORT_POWER) 1280 err = USB_PORT_POWERED; 1281 else 1282 err = USB_PORT_DISABLED; 1283 } 1284 di->udi_ports[i] = err; 1285 } 1286 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1287 } else 1288 di->udi_nports = 0; 1289 } 1290 1291 void 1292 usb_free_device(usbd_device_handle dev) 1293 { 1294 int ifcidx, nifc; 1295 1296 if (dev->default_pipe != NULL) 1297 usbd_kill_pipe(dev->default_pipe); 1298 if (dev->ifaces != NULL) { 1299 nifc = dev->cdesc->bNumInterface; 1300 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1301 usbd_free_iface_data(dev, ifcidx); 1302 free(dev->ifaces, M_USB); 1303 } 1304 if (dev->cdesc != NULL) 1305 free(dev->cdesc, M_USB); 1306 if (dev->subdevs != NULL) 1307 free(dev->subdevs, M_USB); 1308 free(dev, M_USB); 1309 } 1310 1311 /* 1312 * The general mechanism for detaching drivers works as follows: Each 1313 * driver is responsible for maintaining a reference count on the 1314 * number of outstanding references to its softc (e.g. from 1315 * processing hanging in a read or write). The detach method of the 1316 * driver decrements this counter and flags in the softc that the 1317 * driver is dying and then wakes any sleepers. It then sleeps on the 1318 * softc. Each place that can sleep must maintain the reference 1319 * count. When the reference count drops to -1 (0 is the normal value 1320 * of the reference count) the a wakeup on the softc is performed 1321 * signaling to the detach waiter that all references are gone. 1322 */ 1323 1324 /* 1325 * Called from process context when we discover that a port has 1326 * been disconnected. 1327 */ 1328 void 1329 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1330 { 1331 usbd_device_handle dev = up->device; 1332 char *hubname = USBDEVPTRNAME(parent); 1333 int i; 1334 1335 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1336 up, dev, up->portno)); 1337 1338 #ifdef DIAGNOSTIC 1339 if (dev == NULL) { 1340 printf("usb_disconnect_port: no device\n"); 1341 return; 1342 } 1343 #endif 1344 1345 if (dev->subdevs != NULL) { 1346 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1347 for (i = 0; dev->subdevs[i]; i++) { 1348 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1349 hubname); 1350 if (up->portno != 0) 1351 printf(" port %d", up->portno); 1352 printf(" (addr %d) disconnected\n", dev->address); 1353 config_detach(dev->subdevs[i], DETACH_FORCE); 1354 } 1355 } 1356 1357 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1358 dev->bus->devices[dev->address] = NULL; 1359 up->device = NULL; 1360 usb_free_device(dev); 1361 } 1362 1363 #ifdef __OpenBSD__ 1364 void *usb_realloc(void *p, u_int size, int pool, int flags) 1365 { 1366 void *q; 1367 1368 q = malloc(size, pool, flags); 1369 if (q == NULL) 1370 return (NULL); 1371 bcopy(p, q, size); 1372 free(p, pool); 1373 return (q); 1374 } 1375 #endif 1376