1 /* $NetBSD: usb_subr.c,v 1.131 2005/11/23 08:54:48 augustss Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998, 2004 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 1.131 2005/11/23 08:54:48 augustss Exp $"); 43 44 #include "opt_usbverbose.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/kernel.h> 49 #include <sys/malloc.h> 50 #if defined(__NetBSD__) || defined(__OpenBSD__) 51 #include <sys/device.h> 52 #include <sys/select.h> 53 #elif defined(__FreeBSD__) 54 #include <sys/module.h> 55 #include <sys/bus.h> 56 #endif 57 #include <sys/proc.h> 58 59 #include <machine/bus.h> 60 61 #include <dev/usb/usb.h> 62 63 #include <dev/usb/usbdi.h> 64 #include <dev/usb/usbdi_util.h> 65 #include <dev/usb/usbdivar.h> 66 #include <dev/usb/usbdevs.h> 67 #include <dev/usb/usb_quirks.h> 68 69 #if defined(__FreeBSD__) 70 #include <machine/clock.h> 71 #define delay(d) DELAY(d) 72 #endif 73 74 #ifdef USB_DEBUG 75 #define DPRINTF(x) if (usbdebug) logprintf x 76 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 77 extern int usbdebug; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n,x) 81 #endif 82 83 Static usbd_status usbd_set_config(usbd_device_handle, int); 84 Static void usbd_devinfo(usbd_device_handle, int, char *, size_t); 85 Static void usbd_devinfo_vp(usbd_device_handle dev, 86 char v[USB_MAX_ENCODED_STRING_LEN], 87 char p[USB_MAX_ENCODED_STRING_LEN], int usedev); 88 Static int usbd_getnewaddr(usbd_bus_handle bus); 89 #if defined(__NetBSD__) 90 Static int usbd_print(void *, const char *); 91 Static int usbd_submatch(device_ptr_t, struct cfdata *, 92 const int *, void *); 93 #elif defined(__OpenBSD__) 94 Static int usbd_print(void *aux, const char *pnp); 95 Static int usbd_submatch(device_ptr_t, void *, void *); 96 #endif 97 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 98 Static void usbd_kill_pipe(usbd_pipe_handle); 99 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 100 usbd_device_handle dev, int port, int addr); 101 102 Static u_int32_t usb_cookie_no = 0; 103 104 #ifdef USBVERBOSE 105 typedef u_int16_t usb_vendor_id_t; 106 typedef u_int16_t usb_product_id_t; 107 108 /* 109 * Descriptions of of known vendors and devices ("products"). 110 */ 111 struct usb_vendor { 112 usb_vendor_id_t vendor; 113 const char *vendorname; 114 }; 115 struct usb_product { 116 usb_vendor_id_t vendor; 117 usb_product_id_t product; 118 const char *productname; 119 }; 120 121 #include <dev/usb/usbdevs_data.h> 122 #endif /* USBVERBOSE */ 123 124 Static const char * const usbd_error_strs[] = { 125 "NORMAL_COMPLETION", 126 "IN_PROGRESS", 127 "PENDING_REQUESTS", 128 "NOT_STARTED", 129 "INVAL", 130 "NOMEM", 131 "CANCELLED", 132 "BAD_ADDRESS", 133 "IN_USE", 134 "NO_ADDR", 135 "SET_ADDR_FAILED", 136 "NO_POWER", 137 "TOO_DEEP", 138 "IOERROR", 139 "NOT_CONFIGURED", 140 "TIMEOUT", 141 "SHORT_XFER", 142 "STALLED", 143 "INTERRUPTED", 144 "XXX", 145 }; 146 147 const char * 148 usbd_errstr(usbd_status err) 149 { 150 static char buffer[5]; 151 152 if (err < USBD_ERROR_MAX) { 153 return usbd_error_strs[err]; 154 } else { 155 snprintf(buffer, sizeof buffer, "%d", err); 156 return buffer; 157 } 158 } 159 160 usbd_status 161 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 162 usb_string_descriptor_t *sdesc, int *sizep) 163 { 164 usb_device_request_t req; 165 usbd_status err; 166 int actlen; 167 168 req.bmRequestType = UT_READ_DEVICE; 169 req.bRequest = UR_GET_DESCRIPTOR; 170 USETW2(req.wValue, UDESC_STRING, sindex); 171 USETW(req.wIndex, langid); 172 USETW(req.wLength, 2); /* only size byte first */ 173 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 174 &actlen, USBD_DEFAULT_TIMEOUT); 175 if (err) 176 return (err); 177 178 if (actlen < 2) 179 return (USBD_SHORT_XFER); 180 181 USETW(req.wLength, sdesc->bLength); /* the whole string */ 182 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 183 &actlen, USBD_DEFAULT_TIMEOUT); 184 if (err) 185 return (err); 186 187 if (actlen != sdesc->bLength) { 188 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 189 sdesc->bLength, actlen)); 190 } 191 192 *sizep = actlen; 193 return (USBD_NORMAL_COMPLETION); 194 } 195 196 static void 197 usbd_trim_spaces(char *p) 198 { 199 char *q, *e; 200 201 q = e = p; 202 while (*q == ' ') /* skip leading spaces */ 203 q++; 204 while ((*p = *q++)) /* copy string */ 205 if (*p++ != ' ') /* remember last non-space */ 206 e = p; 207 *e = '\0'; /* kill trailing spaces */ 208 } 209 210 Static void 211 usbd_devinfo_vp(usbd_device_handle dev, char v[USB_MAX_ENCODED_STRING_LEN], 212 char p[USB_MAX_ENCODED_STRING_LEN], int usedev) 213 { 214 usb_device_descriptor_t *udd = &dev->ddesc; 215 #ifdef USBVERBOSE 216 int n; 217 #endif 218 219 v[0] = p[0] = '\0'; 220 if (dev == NULL) 221 return; 222 223 if (usedev) { 224 if (usbd_get_string(dev, udd->iManufacturer, v) == 225 USBD_NORMAL_COMPLETION) 226 usbd_trim_spaces(v); 227 if (usbd_get_string(dev, udd->iProduct, p) == 228 USBD_NORMAL_COMPLETION) 229 usbd_trim_spaces(p); 230 } 231 /* There is no need for strlcpy & snprintf below. */ 232 #ifdef USBVERBOSE 233 if (v[0] == '\0') 234 for (n = 0; n < usb_nvendors; n++) 235 if (usb_vendors[n].vendor == UGETW(udd->idVendor)) { 236 strcpy(v, usb_vendors[n].vendorname); 237 break; 238 } 239 if (p[0] == '\0') 240 for (n = 0; n < usb_nproducts; n++) 241 if (usb_products[n].vendor == UGETW(udd->idVendor) && 242 usb_products[n].product == UGETW(udd->idProduct)) { 243 strcpy(p, usb_products[n].productname); 244 break; 245 } 246 #endif 247 if (v[0] == '\0') 248 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 249 if (p[0] == '\0') 250 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 251 } 252 253 int 254 usbd_printBCD(char *cp, size_t l, int bcd) 255 { 256 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 257 } 258 259 Static void 260 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 261 { 262 usb_device_descriptor_t *udd = &dev->ddesc; 263 char vendor[USB_MAX_ENCODED_STRING_LEN]; 264 char product[USB_MAX_ENCODED_STRING_LEN]; 265 int bcdDevice, bcdUSB; 266 char *ep; 267 268 ep = cp + l; 269 270 usbd_devinfo_vp(dev, vendor, product, 1); 271 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 272 if (showclass) 273 cp += snprintf(cp, ep - cp, ", class %d/%d", 274 udd->bDeviceClass, udd->bDeviceSubClass); 275 bcdUSB = UGETW(udd->bcdUSB); 276 bcdDevice = UGETW(udd->bcdDevice); 277 cp += snprintf(cp, ep - cp, ", rev "); 278 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 279 *cp++ = '/'; 280 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 281 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 282 *cp = 0; 283 } 284 285 char * 286 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 287 { 288 char *devinfop; 289 290 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 291 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 292 return devinfop; 293 } 294 295 void 296 usbd_devinfo_free(char *devinfop) 297 { 298 free(devinfop, M_TEMP); 299 } 300 301 /* Delay for a certain number of ms */ 302 void 303 usb_delay_ms(usbd_bus_handle bus, u_int ms) 304 { 305 /* Wait at least two clock ticks so we know the time has passed. */ 306 if (bus->use_polling || cold) 307 delay((ms+1) * 1000); 308 else 309 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 310 } 311 312 /* Delay given a device handle. */ 313 void 314 usbd_delay_ms(usbd_device_handle dev, u_int ms) 315 { 316 usb_delay_ms(dev->bus, ms); 317 } 318 319 usbd_status 320 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 321 { 322 usb_device_request_t req; 323 usbd_status err; 324 int n; 325 326 req.bmRequestType = UT_WRITE_CLASS_OTHER; 327 req.bRequest = UR_SET_FEATURE; 328 USETW(req.wValue, UHF_PORT_RESET); 329 USETW(req.wIndex, port); 330 USETW(req.wLength, 0); 331 err = usbd_do_request(dev, &req, 0); 332 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 333 port, usbd_errstr(err))); 334 if (err) 335 return (err); 336 n = 10; 337 do { 338 /* Wait for device to recover from reset. */ 339 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 340 err = usbd_get_port_status(dev, port, ps); 341 if (err) { 342 DPRINTF(("usbd_reset_port: get status failed %d\n", 343 err)); 344 return (err); 345 } 346 /* If the device disappeared, just give up. */ 347 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 348 return (USBD_NORMAL_COMPLETION); 349 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 350 if (n == 0) 351 return (USBD_TIMEOUT); 352 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 353 #ifdef USB_DEBUG 354 if (err) 355 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 356 err)); 357 #endif 358 359 /* Wait for the device to recover from reset. */ 360 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 361 return (err); 362 } 363 364 usb_interface_descriptor_t * 365 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 366 { 367 char *p = (char *)cd; 368 char *end = p + UGETW(cd->wTotalLength); 369 usb_interface_descriptor_t *d; 370 int curidx, lastidx, curaidx = 0; 371 372 for (curidx = lastidx = -1; p < end; ) { 373 d = (usb_interface_descriptor_t *)p; 374 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 375 "type=%d\n", 376 ifaceidx, curidx, altidx, curaidx, 377 d->bLength, d->bDescriptorType)); 378 if (d->bLength == 0) /* bad descriptor */ 379 break; 380 p += d->bLength; 381 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 382 if (d->bInterfaceNumber != lastidx) { 383 lastidx = d->bInterfaceNumber; 384 curidx++; 385 curaidx = 0; 386 } else 387 curaidx++; 388 if (ifaceidx == curidx && altidx == curaidx) 389 return (d); 390 } 391 } 392 return (NULL); 393 } 394 395 usb_endpoint_descriptor_t * 396 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 397 int endptidx) 398 { 399 char *p = (char *)cd; 400 char *end = p + UGETW(cd->wTotalLength); 401 usb_interface_descriptor_t *d; 402 usb_endpoint_descriptor_t *e; 403 int curidx; 404 405 d = usbd_find_idesc(cd, ifaceidx, altidx); 406 if (d == NULL) 407 return (NULL); 408 if (endptidx >= d->bNumEndpoints) /* quick exit */ 409 return (NULL); 410 411 curidx = -1; 412 for (p = (char *)d + d->bLength; p < end; ) { 413 e = (usb_endpoint_descriptor_t *)p; 414 if (e->bLength == 0) /* bad descriptor */ 415 break; 416 p += e->bLength; 417 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 418 return (NULL); 419 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 420 curidx++; 421 if (curidx == endptidx) 422 return (e); 423 } 424 } 425 return (NULL); 426 } 427 428 usbd_status 429 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 430 { 431 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 432 usb_interface_descriptor_t *idesc; 433 char *p, *end; 434 int endpt, nendpt; 435 436 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 437 ifaceidx, altidx)); 438 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 439 if (idesc == NULL) 440 return (USBD_INVAL); 441 ifc->device = dev; 442 ifc->idesc = idesc; 443 ifc->index = ifaceidx; 444 ifc->altindex = altidx; 445 nendpt = ifc->idesc->bNumEndpoints; 446 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 447 if (nendpt != 0) { 448 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 449 M_USB, M_NOWAIT); 450 if (ifc->endpoints == NULL) 451 return (USBD_NOMEM); 452 } else 453 ifc->endpoints = NULL; 454 ifc->priv = NULL; 455 p = (char *)ifc->idesc + ifc->idesc->bLength; 456 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 457 #define ed ((usb_endpoint_descriptor_t *)p) 458 for (endpt = 0; endpt < nendpt; endpt++) { 459 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 460 for (; p < end; p += ed->bLength) { 461 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 462 "len=%d type=%d\n", 463 p, end, ed->bLength, ed->bDescriptorType)); 464 if (p + ed->bLength <= end && ed->bLength != 0 && 465 ed->bDescriptorType == UDESC_ENDPOINT) 466 goto found; 467 if (ed->bLength == 0 || 468 ed->bDescriptorType == UDESC_INTERFACE) 469 break; 470 } 471 /* passed end, or bad desc */ 472 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 473 ed->bLength == 0 ? "0 length" : 474 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 475 "out of data"); 476 goto bad; 477 found: 478 ifc->endpoints[endpt].edesc = ed; 479 if (dev->speed == USB_SPEED_HIGH) { 480 u_int mps; 481 /* Control and bulk endpoints have max packet limits. */ 482 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 483 case UE_CONTROL: 484 mps = USB_2_MAX_CTRL_PACKET; 485 goto check; 486 case UE_BULK: 487 mps = USB_2_MAX_BULK_PACKET; 488 check: 489 if (UGETW(ed->wMaxPacketSize) != mps) { 490 USETW(ed->wMaxPacketSize, mps); 491 #ifdef DIAGNOSTIC 492 printf("usbd_fill_iface_data: bad max " 493 "packet size\n"); 494 #endif 495 } 496 break; 497 default: 498 break; 499 } 500 } 501 ifc->endpoints[endpt].refcnt = 0; 502 p += ed->bLength; 503 } 504 #undef ed 505 LIST_INIT(&ifc->pipes); 506 return (USBD_NORMAL_COMPLETION); 507 508 bad: 509 if (ifc->endpoints != NULL) { 510 free(ifc->endpoints, M_USB); 511 ifc->endpoints = NULL; 512 } 513 return (USBD_INVAL); 514 } 515 516 void 517 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 518 { 519 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 520 if (ifc->endpoints) 521 free(ifc->endpoints, M_USB); 522 } 523 524 Static usbd_status 525 usbd_set_config(usbd_device_handle dev, int conf) 526 { 527 usb_device_request_t req; 528 529 req.bmRequestType = UT_WRITE_DEVICE; 530 req.bRequest = UR_SET_CONFIG; 531 USETW(req.wValue, conf); 532 USETW(req.wIndex, 0); 533 USETW(req.wLength, 0); 534 return (usbd_do_request(dev, &req, 0)); 535 } 536 537 usbd_status 538 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 539 { 540 int index; 541 usb_config_descriptor_t cd; 542 usbd_status err; 543 544 if (no == USB_UNCONFIG_NO) 545 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 546 547 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 548 /* Figure out what config index to use. */ 549 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 550 err = usbd_get_config_desc(dev, index, &cd); 551 if (err) 552 return (err); 553 if (cd.bConfigurationValue == no) 554 return (usbd_set_config_index(dev, index, msg)); 555 } 556 return (USBD_INVAL); 557 } 558 559 usbd_status 560 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 561 { 562 usb_status_t ds; 563 usb_config_descriptor_t cd, *cdp; 564 usbd_status err; 565 int i, ifcidx, nifc, len, selfpowered, power; 566 567 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 568 569 /* XXX check that all interfaces are idle */ 570 if (dev->config != USB_UNCONFIG_NO) { 571 DPRINTF(("usbd_set_config_index: free old config\n")); 572 /* Free all configuration data structures. */ 573 nifc = dev->cdesc->bNumInterface; 574 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 575 usbd_free_iface_data(dev, ifcidx); 576 free(dev->ifaces, M_USB); 577 free(dev->cdesc, M_USB); 578 dev->ifaces = NULL; 579 dev->cdesc = NULL; 580 dev->config = USB_UNCONFIG_NO; 581 } 582 583 if (index == USB_UNCONFIG_INDEX) { 584 /* We are unconfiguring the device, so leave unallocated. */ 585 DPRINTF(("usbd_set_config_index: set config 0\n")); 586 err = usbd_set_config(dev, USB_UNCONFIG_NO); 587 if (err) 588 DPRINTF(("usbd_set_config_index: setting config=0 " 589 "failed, error=%s\n", usbd_errstr(err))); 590 return (err); 591 } 592 593 /* Get the short descriptor. */ 594 err = usbd_get_config_desc(dev, index, &cd); 595 if (err) 596 return (err); 597 len = UGETW(cd.wTotalLength); 598 cdp = malloc(len, M_USB, M_NOWAIT); 599 if (cdp == NULL) 600 return (USBD_NOMEM); 601 602 /* Get the full descriptor. Try a few times for slow devices. */ 603 for (i = 0; i < 3; i++) { 604 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 605 if (!err) 606 break; 607 usbd_delay_ms(dev, 200); 608 } 609 if (err) 610 goto bad; 611 612 if (cdp->bDescriptorType != UDESC_CONFIG) { 613 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 614 cdp->bDescriptorType)); 615 err = USBD_INVAL; 616 goto bad; 617 } 618 619 /* Figure out if the device is self or bus powered. */ 620 selfpowered = 0; 621 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 622 (cdp->bmAttributes & UC_SELF_POWERED)) { 623 /* May be self powered. */ 624 if (cdp->bmAttributes & UC_BUS_POWERED) { 625 /* Must ask device. */ 626 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 627 /* 628 * Hub claims to be self powered, but isn't. 629 * It seems that the power status can be 630 * determined by the hub characteristics. 631 */ 632 usb_hub_descriptor_t hd; 633 usb_device_request_t req; 634 req.bmRequestType = UT_READ_CLASS_DEVICE; 635 req.bRequest = UR_GET_DESCRIPTOR; 636 USETW(req.wValue, 0); 637 USETW(req.wIndex, 0); 638 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 639 err = usbd_do_request(dev, &req, &hd); 640 if (!err && 641 (UGETW(hd.wHubCharacteristics) & 642 UHD_PWR_INDIVIDUAL)) 643 selfpowered = 1; 644 DPRINTF(("usbd_set_config_index: charac=0x%04x" 645 ", error=%s\n", 646 UGETW(hd.wHubCharacteristics), 647 usbd_errstr(err))); 648 } else { 649 err = usbd_get_device_status(dev, &ds); 650 if (!err && 651 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 652 selfpowered = 1; 653 DPRINTF(("usbd_set_config_index: status=0x%04x" 654 ", error=%s\n", 655 UGETW(ds.wStatus), usbd_errstr(err))); 656 } 657 } else 658 selfpowered = 1; 659 } 660 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 661 "selfpowered=%d, power=%d\n", 662 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 663 selfpowered, cdp->bMaxPower * 2)); 664 665 /* Check if we have enough power. */ 666 #ifdef USB_DEBUG 667 if (dev->powersrc == NULL) { 668 DPRINTF(("usbd_set_config_index: No power source?\n")); 669 return (USBD_IOERROR); 670 } 671 #endif 672 power = cdp->bMaxPower * 2; 673 if (power > dev->powersrc->power) { 674 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 675 /* XXX print nicer message. */ 676 if (msg) 677 printf("%s: device addr %d (config %d) exceeds power " 678 "budget, %d mA > %d mA\n", 679 USBDEVNAME(dev->bus->bdev), dev->address, 680 cdp->bConfigurationValue, 681 power, dev->powersrc->power); 682 err = USBD_NO_POWER; 683 goto bad; 684 } 685 dev->power = power; 686 dev->self_powered = selfpowered; 687 688 /* Set the actual configuration value. */ 689 DPRINTF(("usbd_set_config_index: set config %d\n", 690 cdp->bConfigurationValue)); 691 err = usbd_set_config(dev, cdp->bConfigurationValue); 692 if (err) { 693 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 694 "error=%s\n", 695 cdp->bConfigurationValue, usbd_errstr(err))); 696 goto bad; 697 } 698 699 /* Allocate and fill interface data. */ 700 nifc = cdp->bNumInterface; 701 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 702 M_USB, M_NOWAIT); 703 if (dev->ifaces == NULL) { 704 err = USBD_NOMEM; 705 goto bad; 706 } 707 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 708 dev->cdesc = cdp; 709 dev->config = cdp->bConfigurationValue; 710 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 711 err = usbd_fill_iface_data(dev, ifcidx, 0); 712 if (err) { 713 while (--ifcidx >= 0) 714 usbd_free_iface_data(dev, ifcidx); 715 goto bad; 716 } 717 } 718 719 return (USBD_NORMAL_COMPLETION); 720 721 bad: 722 free(cdp, M_USB); 723 return (err); 724 } 725 726 /* XXX add function for alternate settings */ 727 728 usbd_status 729 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 730 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 731 { 732 usbd_pipe_handle p; 733 usbd_status err; 734 735 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 736 dev, iface, ep, pipe)); 737 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 738 if (p == NULL) 739 return (USBD_NOMEM); 740 p->device = dev; 741 p->iface = iface; 742 p->endpoint = ep; 743 ep->refcnt++; 744 p->refcnt = 1; 745 p->intrxfer = 0; 746 p->running = 0; 747 p->aborting = 0; 748 p->repeat = 0; 749 p->interval = ival; 750 SIMPLEQ_INIT(&p->queue); 751 err = dev->bus->methods->open_pipe(p); 752 if (err) { 753 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 754 "%s\n", 755 ep->edesc->bEndpointAddress, usbd_errstr(err))); 756 free(p, M_USB); 757 return (err); 758 } 759 *pipe = p; 760 return (USBD_NORMAL_COMPLETION); 761 } 762 763 /* Abort the device control pipe. */ 764 void 765 usbd_kill_pipe(usbd_pipe_handle pipe) 766 { 767 usbd_abort_pipe(pipe); 768 pipe->methods->close(pipe); 769 pipe->endpoint->refcnt--; 770 free(pipe, M_USB); 771 } 772 773 int 774 usbd_getnewaddr(usbd_bus_handle bus) 775 { 776 int addr; 777 778 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 779 if (bus->devices[addr] == 0) 780 return (addr); 781 return (-1); 782 } 783 784 785 usbd_status 786 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 787 int port, int addr) 788 { 789 struct usb_attach_arg uaa; 790 usb_device_descriptor_t *dd = &dev->ddesc; 791 int found, i, confi, nifaces; 792 usbd_status err; 793 device_ptr_t dv; 794 usbd_interface_handle ifaces[256]; /* 256 is the absolute max */ 795 796 #if defined(__FreeBSD__) 797 /* 798 * XXX uaa is a static var. Not a problem as it _should_ be used only 799 * during probe and attach. Should be changed however. 800 */ 801 device_t bdev; 802 bdev = device_add_child(parent, NULL, -1, &uaa); 803 if (!bdev) { 804 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 805 return (USBD_INVAL); 806 } 807 device_quiet(bdev); 808 #endif 809 810 uaa.device = dev; 811 uaa.iface = NULL; 812 uaa.ifaces = NULL; 813 uaa.nifaces = 0; 814 uaa.usegeneric = 0; 815 uaa.port = port; 816 uaa.configno = UHUB_UNK_CONFIGURATION; 817 uaa.ifaceno = UHUB_UNK_INTERFACE; 818 uaa.vendor = UGETW(dd->idVendor); 819 uaa.product = UGETW(dd->idProduct); 820 uaa.release = UGETW(dd->bcdDevice); 821 822 /* First try with device specific drivers. */ 823 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 824 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 825 if (dv) { 826 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 827 if (dev->subdevs == NULL) 828 return (USBD_NOMEM); 829 dev->subdevs[0] = dv; 830 dev->subdevs[1] = 0; 831 return (USBD_NORMAL_COMPLETION); 832 } 833 834 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 835 836 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 837 dd->bNumConfigurations)); 838 /* Next try with interface drivers. */ 839 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 840 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 841 confi)); 842 err = usbd_set_config_index(dev, confi, 1); 843 if (err) { 844 #ifdef USB_DEBUG 845 DPRINTF(("%s: port %d, set config at addr %d failed, " 846 "error=%s\n", USBDEVPTRNAME(parent), port, 847 addr, usbd_errstr(err))); 848 #else 849 printf("%s: port %d, set config at addr %d failed\n", 850 USBDEVPTRNAME(parent), port, addr); 851 #endif 852 #if defined(__FreeBSD__) 853 device_delete_child(parent, bdev); 854 #endif 855 856 return (err); 857 } 858 nifaces = dev->cdesc->bNumInterface; 859 uaa.configno = dev->cdesc->bConfigurationValue; 860 for (i = 0; i < nifaces; i++) 861 ifaces[i] = &dev->ifaces[i]; 862 uaa.ifaces = ifaces; 863 uaa.nifaces = nifaces; 864 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 865 if (dev->subdevs == NULL) { 866 #if defined(__FreeBSD__) 867 device_delete_child(parent, bdev); 868 #endif 869 return (USBD_NOMEM); 870 } 871 872 found = 0; 873 for (i = 0; i < nifaces; i++) { 874 if (ifaces[i] == NULL) 875 continue; /* interface already claimed */ 876 uaa.iface = ifaces[i]; 877 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 878 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 879 usbd_submatch); 880 if (dv != NULL) { 881 dev->subdevs[found++] = dv; 882 dev->subdevs[found] = 0; 883 ifaces[i] = 0; /* consumed */ 884 885 #if defined(__FreeBSD__) 886 /* create another child for the next iface */ 887 bdev = device_add_child(parent, NULL, -1,&uaa); 888 if (!bdev) { 889 printf("%s: Device creation failed\n", 890 USBDEVNAME(dev->bus->bdev)); 891 return (USBD_NORMAL_COMPLETION); 892 } 893 device_quiet(bdev); 894 #endif 895 } 896 } 897 if (found != 0) { 898 #if defined(__FreeBSD__) 899 /* remove the last created child again; it is unused */ 900 device_delete_child(parent, bdev); 901 #endif 902 return (USBD_NORMAL_COMPLETION); 903 } 904 free(dev->subdevs, M_USB); 905 dev->subdevs = 0; 906 } 907 /* No interfaces were attached in any of the configurations. */ 908 909 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 910 usbd_set_config_index(dev, 0, 0); 911 912 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 913 914 /* Finally try the generic driver. */ 915 uaa.iface = NULL; 916 uaa.usegeneric = 1; 917 uaa.configno = UHUB_UNK_CONFIGURATION; 918 uaa.ifaceno = UHUB_UNK_INTERFACE; 919 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 920 if (dv != NULL) { 921 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 922 if (dev->subdevs == 0) 923 return (USBD_NOMEM); 924 dev->subdevs[0] = dv; 925 dev->subdevs[1] = 0; 926 return (USBD_NORMAL_COMPLETION); 927 } 928 929 /* 930 * The generic attach failed, but leave the device as it is. 931 * We just did not find any drivers, that's all. The device is 932 * fully operational and not harming anyone. 933 */ 934 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 935 #if defined(__FreeBSD__) 936 device_delete_child(parent, bdev); 937 #endif 938 return (USBD_NORMAL_COMPLETION); 939 } 940 941 942 /* 943 * Called when a new device has been put in the powered state, 944 * but not yet in the addressed state. 945 * Get initial descriptor, set the address, get full descriptor, 946 * and attach a driver. 947 */ 948 usbd_status 949 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 950 int speed, int port, struct usbd_port *up) 951 { 952 usbd_device_handle dev, adev; 953 struct usbd_device *hub; 954 usb_device_descriptor_t *dd; 955 usb_port_status_t ps; 956 usbd_status err; 957 int addr; 958 int i; 959 int p; 960 961 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 962 bus, port, depth, speed)); 963 addr = usbd_getnewaddr(bus); 964 if (addr < 0) { 965 printf("%s: No free USB addresses, new device ignored.\n", 966 USBDEVNAME(bus->bdev)); 967 return (USBD_NO_ADDR); 968 } 969 970 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 971 if (dev == NULL) 972 return (USBD_NOMEM); 973 974 dev->bus = bus; 975 976 /* Set up default endpoint handle. */ 977 dev->def_ep.edesc = &dev->def_ep_desc; 978 979 /* Set up default endpoint descriptor. */ 980 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 981 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 982 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 983 dev->def_ep_desc.bmAttributes = UE_CONTROL; 984 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 985 dev->def_ep_desc.bInterval = 0; 986 987 dev->quirks = &usbd_no_quirk; 988 dev->address = USB_START_ADDR; 989 dev->ddesc.bMaxPacketSize = 0; 990 dev->depth = depth; 991 dev->powersrc = up; 992 dev->myhub = up->parent; 993 994 up->device = dev; 995 996 /* Locate port on upstream high speed hub */ 997 for (adev = dev, hub = up->parent; 998 hub != NULL && hub->speed != USB_SPEED_HIGH; 999 adev = hub, hub = hub->myhub) 1000 ; 1001 if (hub) { 1002 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 1003 if (hub->hub->ports[p].device == adev) { 1004 dev->myhsport = &hub->hub->ports[p]; 1005 goto found; 1006 } 1007 } 1008 panic("usbd_new_device: cannot find HS port\n"); 1009 found: 1010 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 1011 } else { 1012 dev->myhsport = NULL; 1013 } 1014 dev->speed = speed; 1015 dev->langid = USBD_NOLANG; 1016 dev->cookie.cookie = ++usb_cookie_no; 1017 1018 /* Establish the default pipe. */ 1019 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1020 &dev->default_pipe); 1021 if (err) { 1022 usbd_remove_device(dev, up); 1023 return (err); 1024 } 1025 1026 /* Set the address. Do this early; some devices need that. */ 1027 err = usbd_set_address(dev, addr); 1028 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1029 if (err) { 1030 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1031 err = USBD_SET_ADDR_FAILED; 1032 usbd_remove_device(dev, up); 1033 return (err); 1034 } 1035 /* Allow device time to set new address */ 1036 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1037 dev->address = addr; /* New device address now */ 1038 bus->devices[addr] = dev; 1039 1040 dd = &dev->ddesc; 1041 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1042 for (i = 0; i < 10; i++) { 1043 /* Get the first 8 bytes of the device descriptor. */ 1044 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1045 if (!err) 1046 break; 1047 usbd_delay_ms(dev, 200); 1048 if ((i & 3) == 3) 1049 usbd_reset_port(up->parent, port, &ps); 1050 } 1051 if (err) { 1052 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1053 "failed\n", addr)); 1054 usbd_remove_device(dev, up); 1055 return (err); 1056 } 1057 1058 if (speed == USB_SPEED_HIGH) { 1059 /* Max packet size must be 64 (sec 5.5.3). */ 1060 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1061 #ifdef DIAGNOSTIC 1062 printf("usbd_new_device: addr=%d bad max packet size\n", 1063 addr); 1064 #endif 1065 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1066 } 1067 } 1068 1069 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1070 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1071 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1072 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1073 dev->speed)); 1074 1075 if (dd->bDescriptorType != UDESC_DEVICE) { 1076 /* Illegal device descriptor */ 1077 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1078 dd->bDescriptorType)); 1079 usbd_remove_device(dev, up); 1080 return (USBD_INVAL); 1081 } 1082 1083 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1084 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1085 usbd_remove_device(dev, up); 1086 return (USBD_INVAL); 1087 } 1088 1089 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1090 1091 err = usbd_reload_device_desc(dev); 1092 if (err) { 1093 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1094 "failed\n", addr)); 1095 usbd_remove_device(dev, up); 1096 return (err); 1097 } 1098 1099 /* Assume 100mA bus powered for now. Changed when configured. */ 1100 dev->power = USB_MIN_POWER; 1101 dev->self_powered = 0; 1102 1103 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1104 addr, dev, parent)); 1105 1106 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1107 1108 err = usbd_probe_and_attach(parent, dev, port, addr); 1109 if (err) { 1110 usbd_remove_device(dev, up); 1111 return (err); 1112 } 1113 1114 return (USBD_NORMAL_COMPLETION); 1115 } 1116 1117 usbd_status 1118 usbd_reload_device_desc(usbd_device_handle dev) 1119 { 1120 usbd_status err; 1121 1122 /* Get the full device descriptor. */ 1123 err = usbd_get_device_desc(dev, &dev->ddesc); 1124 if (err) 1125 return (err); 1126 1127 /* Figure out what's wrong with this device. */ 1128 dev->quirks = usbd_find_quirk(&dev->ddesc); 1129 1130 return (USBD_NORMAL_COMPLETION); 1131 } 1132 1133 void 1134 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1135 { 1136 DPRINTF(("usbd_remove_device: %p\n", dev)); 1137 1138 if (dev->default_pipe != NULL) 1139 usbd_kill_pipe(dev->default_pipe); 1140 up->device = NULL; 1141 dev->bus->devices[dev->address] = NULL; 1142 1143 free(dev, M_USB); 1144 } 1145 1146 #if defined(__NetBSD__) || defined(__OpenBSD__) 1147 int 1148 usbd_print(void *aux, const char *pnp) 1149 { 1150 struct usb_attach_arg *uaa = aux; 1151 char devinfo[1024]; 1152 1153 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1154 if (pnp) { 1155 if (!uaa->usegeneric) 1156 return (QUIET); 1157 usbd_devinfo(uaa->device, 1, devinfo, sizeof(devinfo)); 1158 aprint_normal("%s, %s", devinfo, pnp); 1159 } 1160 if (uaa->port != 0) 1161 aprint_normal(" port %d", uaa->port); 1162 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1163 aprint_normal(" configuration %d", uaa->configno); 1164 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1165 aprint_normal(" interface %d", uaa->ifaceno); 1166 #if 0 1167 /* 1168 * It gets very crowded with these locators on the attach line. 1169 * They are not really needed since they are printed in the clear 1170 * by each driver. 1171 */ 1172 if (uaa->vendor != UHUB_UNK_VENDOR) 1173 aprint_normal(" vendor 0x%04x", uaa->vendor); 1174 if (uaa->product != UHUB_UNK_PRODUCT) 1175 aprint_normal(" product 0x%04x", uaa->product); 1176 if (uaa->release != UHUB_UNK_RELEASE) 1177 aprint_normal(" release 0x%04x", uaa->release); 1178 #endif 1179 return (UNCONF); 1180 } 1181 1182 #if defined(__NetBSD__) 1183 int 1184 usbd_submatch(struct device *parent, struct cfdata *cf, 1185 const int *ldesc, void *aux) 1186 { 1187 #elif defined(__OpenBSD__) 1188 int 1189 usbd_submatch(struct device *parent, void *match, void *aux) 1190 { 1191 struct cfdata *cf = match; 1192 #endif 1193 struct usb_attach_arg *uaa = aux; 1194 1195 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1196 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1197 uaa->port, cf->uhubcf_port, 1198 uaa->configno, cf->uhubcf_configuration, 1199 uaa->ifaceno, cf->uhubcf_interface, 1200 uaa->vendor, cf->uhubcf_vendor, 1201 uaa->product, cf->uhubcf_product, 1202 uaa->release, cf->uhubcf_release)); 1203 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1204 ((cf->uhubcf_port != UHUB_UNK_PORT && 1205 cf->uhubcf_port != uaa->port) || 1206 (uaa->configno != UHUB_UNK_CONFIGURATION && 1207 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1208 cf->uhubcf_configuration != uaa->configno) || 1209 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1210 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1211 cf->uhubcf_interface != uaa->ifaceno) || 1212 (uaa->vendor != UHUB_UNK_VENDOR && 1213 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1214 cf->uhubcf_vendor != uaa->vendor) || 1215 (uaa->product != UHUB_UNK_PRODUCT && 1216 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1217 cf->uhubcf_product != uaa->product) || 1218 (uaa->release != UHUB_UNK_RELEASE && 1219 cf->uhubcf_release != UHUB_UNK_RELEASE && 1220 cf->uhubcf_release != uaa->release) 1221 ) 1222 ) 1223 return 0; 1224 return (config_match(parent, cf, aux)); 1225 } 1226 1227 #endif 1228 1229 void 1230 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1231 int usedev) 1232 { 1233 struct usbd_port *p; 1234 int i, err, s; 1235 1236 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1237 di->udi_addr = dev->address; 1238 di->udi_cookie = dev->cookie; 1239 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1240 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1241 UGETW(dev->ddesc.bcdDevice)); 1242 di->udi_serial[0] = 0; 1243 if (usedev) 1244 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1245 di->udi_serial); 1246 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1247 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1248 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1249 di->udi_class = dev->ddesc.bDeviceClass; 1250 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1251 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1252 di->udi_config = dev->config; 1253 di->udi_power = dev->self_powered ? 0 : dev->power; 1254 di->udi_speed = dev->speed; 1255 1256 if (dev->subdevs != NULL) { 1257 for (i = 0; dev->subdevs[i] && 1258 i < USB_MAX_DEVNAMES; i++) { 1259 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1260 USB_MAX_DEVNAMELEN); 1261 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1262 } 1263 } else { 1264 i = 0; 1265 } 1266 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1267 di->udi_devnames[i][0] = 0; /* empty */ 1268 1269 if (dev->hub) { 1270 for (i = 0; 1271 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1272 i < dev->hub->hubdesc.bNbrPorts; 1273 i++) { 1274 p = &dev->hub->ports[i]; 1275 if (p->device) 1276 err = p->device->address; 1277 else { 1278 s = UGETW(p->status.wPortStatus); 1279 if (s & UPS_PORT_ENABLED) 1280 err = USB_PORT_ENABLED; 1281 else if (s & UPS_SUSPEND) 1282 err = USB_PORT_SUSPENDED; 1283 else if (s & UPS_PORT_POWER) 1284 err = USB_PORT_POWERED; 1285 else 1286 err = USB_PORT_DISABLED; 1287 } 1288 di->udi_ports[i] = err; 1289 } 1290 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1291 } else 1292 di->udi_nports = 0; 1293 } 1294 1295 void 1296 usb_free_device(usbd_device_handle dev) 1297 { 1298 int ifcidx, nifc; 1299 1300 if (dev->default_pipe != NULL) 1301 usbd_kill_pipe(dev->default_pipe); 1302 if (dev->ifaces != NULL) { 1303 nifc = dev->cdesc->bNumInterface; 1304 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1305 usbd_free_iface_data(dev, ifcidx); 1306 free(dev->ifaces, M_USB); 1307 } 1308 if (dev->cdesc != NULL) 1309 free(dev->cdesc, M_USB); 1310 if (dev->subdevs != NULL) 1311 free(dev->subdevs, M_USB); 1312 free(dev, M_USB); 1313 } 1314 1315 /* 1316 * The general mechanism for detaching drivers works as follows: Each 1317 * driver is responsible for maintaining a reference count on the 1318 * number of outstanding references to its softc (e.g. from 1319 * processing hanging in a read or write). The detach method of the 1320 * driver decrements this counter and flags in the softc that the 1321 * driver is dying and then wakes any sleepers. It then sleeps on the 1322 * softc. Each place that can sleep must maintain the reference 1323 * count. When the reference count drops to -1 (0 is the normal value 1324 * of the reference count) the a wakeup on the softc is performed 1325 * signaling to the detach waiter that all references are gone. 1326 */ 1327 1328 /* 1329 * Called from process context when we discover that a port has 1330 * been disconnected. 1331 */ 1332 void 1333 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1334 { 1335 usbd_device_handle dev = up->device; 1336 char *hubname = USBDEVPTRNAME(parent); 1337 int i; 1338 1339 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1340 up, dev, up->portno)); 1341 1342 #ifdef DIAGNOSTIC 1343 if (dev == NULL) { 1344 printf("usb_disconnect_port: no device\n"); 1345 return; 1346 } 1347 #endif 1348 1349 if (dev->subdevs != NULL) { 1350 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1351 for (i = 0; dev->subdevs[i]; i++) { 1352 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1353 hubname); 1354 if (up->portno != 0) 1355 printf(" port %d", up->portno); 1356 printf(" (addr %d) disconnected\n", dev->address); 1357 config_detach(dev->subdevs[i], DETACH_FORCE); 1358 dev->subdevs[i] = 0; 1359 } 1360 } 1361 1362 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1363 dev->bus->devices[dev->address] = NULL; 1364 up->device = NULL; 1365 usb_free_device(dev); 1366 } 1367 1368 #ifdef __OpenBSD__ 1369 void *usb_realloc(void *p, u_int size, int pool, int flags) 1370 { 1371 void *q; 1372 1373 q = malloc(size, pool, flags); 1374 if (q == NULL) 1375 return (NULL); 1376 bcopy(p, q, size); 1377 free(p, pool); 1378 return (q); 1379 } 1380 #endif 1381