1 /* $NetBSD: usb_subr.c,v 1.138 2006/11/16 01:33:27 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, 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 1.138 2006/11/16 01:33:27 christos 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, *product; 264 int bcdDevice, bcdUSB; 265 char *ep; 266 267 vendor = malloc(USB_MAX_ENCODED_STRING_LEN * 2, M_USB, M_NOWAIT); 268 if (vendor == NULL) { 269 *cp = '\0'; 270 return; 271 } 272 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 273 274 ep = cp + l; 275 276 usbd_devinfo_vp(dev, vendor, product, 1); 277 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 278 if (showclass) 279 cp += snprintf(cp, ep - cp, ", class %d/%d", 280 udd->bDeviceClass, udd->bDeviceSubClass); 281 bcdUSB = UGETW(udd->bcdUSB); 282 bcdDevice = UGETW(udd->bcdDevice); 283 cp += snprintf(cp, ep - cp, ", rev "); 284 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 285 *cp++ = '/'; 286 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 287 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 288 *cp = 0; 289 free(vendor, M_USB); 290 } 291 292 char * 293 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 294 { 295 char *devinfop; 296 297 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 298 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 299 return devinfop; 300 } 301 302 void 303 usbd_devinfo_free(char *devinfop) 304 { 305 free(devinfop, M_TEMP); 306 } 307 308 /* Delay for a certain number of ms */ 309 void 310 usb_delay_ms(usbd_bus_handle bus, u_int ms) 311 { 312 /* Wait at least two clock ticks so we know the time has passed. */ 313 if (bus->use_polling || cold) 314 delay((ms+1) * 1000); 315 else 316 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 317 } 318 319 /* Delay given a device handle. */ 320 void 321 usbd_delay_ms(usbd_device_handle dev, u_int ms) 322 { 323 usb_delay_ms(dev->bus, ms); 324 } 325 326 usbd_status 327 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 328 { 329 usb_device_request_t req; 330 usbd_status err; 331 int n; 332 333 req.bmRequestType = UT_WRITE_CLASS_OTHER; 334 req.bRequest = UR_SET_FEATURE; 335 USETW(req.wValue, UHF_PORT_RESET); 336 USETW(req.wIndex, port); 337 USETW(req.wLength, 0); 338 err = usbd_do_request(dev, &req, 0); 339 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 340 port, usbd_errstr(err))); 341 if (err) 342 return (err); 343 n = 10; 344 do { 345 /* Wait for device to recover from reset. */ 346 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 347 err = usbd_get_port_status(dev, port, ps); 348 if (err) { 349 DPRINTF(("usbd_reset_port: get status failed %d\n", 350 err)); 351 return (err); 352 } 353 /* If the device disappeared, just give up. */ 354 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 355 return (USBD_NORMAL_COMPLETION); 356 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 357 if (n == 0) 358 return (USBD_TIMEOUT); 359 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 360 #ifdef USB_DEBUG 361 if (err) 362 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 363 err)); 364 #endif 365 366 /* Wait for the device to recover from reset. */ 367 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 368 return (err); 369 } 370 371 usb_interface_descriptor_t * 372 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 373 { 374 char *p = (char *)cd; 375 char *end = p + UGETW(cd->wTotalLength); 376 usb_interface_descriptor_t *d; 377 int curidx, lastidx, curaidx = 0; 378 379 for (curidx = lastidx = -1; p < end; ) { 380 d = (usb_interface_descriptor_t *)p; 381 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 382 "type=%d\n", 383 ifaceidx, curidx, altidx, curaidx, 384 d->bLength, d->bDescriptorType)); 385 if (d->bLength == 0) /* bad descriptor */ 386 break; 387 p += d->bLength; 388 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 389 if (d->bInterfaceNumber != lastidx) { 390 lastidx = d->bInterfaceNumber; 391 curidx++; 392 curaidx = 0; 393 } else 394 curaidx++; 395 if (ifaceidx == curidx && altidx == curaidx) 396 return (d); 397 } 398 } 399 return (NULL); 400 } 401 402 usb_endpoint_descriptor_t * 403 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 404 int endptidx) 405 { 406 char *p = (char *)cd; 407 char *end = p + UGETW(cd->wTotalLength); 408 usb_interface_descriptor_t *d; 409 usb_endpoint_descriptor_t *e; 410 int curidx; 411 412 d = usbd_find_idesc(cd, ifaceidx, altidx); 413 if (d == NULL) 414 return (NULL); 415 if (endptidx >= d->bNumEndpoints) /* quick exit */ 416 return (NULL); 417 418 curidx = -1; 419 for (p = (char *)d + d->bLength; p < end; ) { 420 e = (usb_endpoint_descriptor_t *)p; 421 if (e->bLength == 0) /* bad descriptor */ 422 break; 423 p += e->bLength; 424 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 425 return (NULL); 426 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 427 curidx++; 428 if (curidx == endptidx) 429 return (e); 430 } 431 } 432 return (NULL); 433 } 434 435 usbd_status 436 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 437 { 438 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 439 usb_interface_descriptor_t *idesc; 440 char *p, *end; 441 int endpt, nendpt; 442 443 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 444 ifaceidx, altidx)); 445 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 446 if (idesc == NULL) 447 return (USBD_INVAL); 448 ifc->device = dev; 449 ifc->idesc = idesc; 450 ifc->index = ifaceidx; 451 ifc->altindex = altidx; 452 nendpt = ifc->idesc->bNumEndpoints; 453 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 454 if (nendpt != 0) { 455 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 456 M_USB, M_NOWAIT); 457 if (ifc->endpoints == NULL) 458 return (USBD_NOMEM); 459 } else 460 ifc->endpoints = NULL; 461 ifc->priv = NULL; 462 p = (char *)ifc->idesc + ifc->idesc->bLength; 463 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 464 #define ed ((usb_endpoint_descriptor_t *)p) 465 for (endpt = 0; endpt < nendpt; endpt++) { 466 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 467 for (; p < end; p += ed->bLength) { 468 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 469 "len=%d type=%d\n", 470 p, end, ed->bLength, ed->bDescriptorType)); 471 if (p + ed->bLength <= end && ed->bLength != 0 && 472 ed->bDescriptorType == UDESC_ENDPOINT) 473 goto found; 474 if (ed->bLength == 0 || 475 ed->bDescriptorType == UDESC_INTERFACE) 476 break; 477 } 478 /* passed end, or bad desc */ 479 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 480 ed->bLength == 0 ? "0 length" : 481 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 482 "out of data"); 483 goto bad; 484 found: 485 ifc->endpoints[endpt].edesc = ed; 486 if (dev->speed == USB_SPEED_HIGH) { 487 u_int mps; 488 /* Control and bulk endpoints have max packet limits. */ 489 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 490 case UE_CONTROL: 491 mps = USB_2_MAX_CTRL_PACKET; 492 goto check; 493 case UE_BULK: 494 mps = USB_2_MAX_BULK_PACKET; 495 check: 496 if (UGETW(ed->wMaxPacketSize) != mps) { 497 USETW(ed->wMaxPacketSize, mps); 498 #ifdef DIAGNOSTIC 499 printf("usbd_fill_iface_data: bad max " 500 "packet size\n"); 501 #endif 502 } 503 break; 504 default: 505 break; 506 } 507 } 508 ifc->endpoints[endpt].refcnt = 0; 509 p += ed->bLength; 510 } 511 #undef ed 512 LIST_INIT(&ifc->pipes); 513 return (USBD_NORMAL_COMPLETION); 514 515 bad: 516 if (ifc->endpoints != NULL) { 517 free(ifc->endpoints, M_USB); 518 ifc->endpoints = NULL; 519 } 520 return (USBD_INVAL); 521 } 522 523 void 524 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 525 { 526 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 527 if (ifc->endpoints) 528 free(ifc->endpoints, M_USB); 529 } 530 531 Static usbd_status 532 usbd_set_config(usbd_device_handle dev, int conf) 533 { 534 usb_device_request_t req; 535 536 req.bmRequestType = UT_WRITE_DEVICE; 537 req.bRequest = UR_SET_CONFIG; 538 USETW(req.wValue, conf); 539 USETW(req.wIndex, 0); 540 USETW(req.wLength, 0); 541 return (usbd_do_request(dev, &req, 0)); 542 } 543 544 usbd_status 545 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 546 { 547 int index; 548 usb_config_descriptor_t cd; 549 usbd_status err; 550 551 if (no == USB_UNCONFIG_NO) 552 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 553 554 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 555 /* Figure out what config index to use. */ 556 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 557 err = usbd_get_config_desc(dev, index, &cd); 558 if (err) 559 return (err); 560 if (cd.bConfigurationValue == no) 561 return (usbd_set_config_index(dev, index, msg)); 562 } 563 return (USBD_INVAL); 564 } 565 566 usbd_status 567 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 568 { 569 usb_status_t ds; 570 usb_config_descriptor_t cd, *cdp; 571 usbd_status err; 572 int i, ifcidx, nifc, len, selfpowered, power; 573 574 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 575 576 /* XXX check that all interfaces are idle */ 577 if (dev->config != USB_UNCONFIG_NO) { 578 DPRINTF(("usbd_set_config_index: free old config\n")); 579 /* Free all configuration data structures. */ 580 nifc = dev->cdesc->bNumInterface; 581 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 582 usbd_free_iface_data(dev, ifcidx); 583 free(dev->ifaces, M_USB); 584 free(dev->cdesc, M_USB); 585 dev->ifaces = NULL; 586 dev->cdesc = NULL; 587 dev->config = USB_UNCONFIG_NO; 588 } 589 590 if (index == USB_UNCONFIG_INDEX) { 591 /* We are unconfiguring the device, so leave unallocated. */ 592 DPRINTF(("usbd_set_config_index: set config 0\n")); 593 err = usbd_set_config(dev, USB_UNCONFIG_NO); 594 if (err) { 595 DPRINTF(("usbd_set_config_index: setting config=0 " 596 "failed, error=%s\n", usbd_errstr(err))); 597 } 598 return (err); 599 } 600 601 /* Get the short descriptor. */ 602 err = usbd_get_config_desc(dev, index, &cd); 603 if (err) 604 return (err); 605 len = UGETW(cd.wTotalLength); 606 cdp = malloc(len, M_USB, M_NOWAIT); 607 if (cdp == NULL) 608 return (USBD_NOMEM); 609 610 /* Get the full descriptor. Try a few times for slow devices. */ 611 for (i = 0; i < 3; i++) { 612 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 613 if (!err) 614 break; 615 usbd_delay_ms(dev, 200); 616 } 617 if (err) 618 goto bad; 619 620 if (cdp->bDescriptorType != UDESC_CONFIG) { 621 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 622 cdp->bDescriptorType)); 623 err = USBD_INVAL; 624 goto bad; 625 } 626 627 /* Figure out if the device is self or bus powered. */ 628 selfpowered = 0; 629 if (!(dev->quirks->uq_flags & UQ_BUS_POWERED) && 630 (cdp->bmAttributes & UC_SELF_POWERED)) { 631 /* May be self powered. */ 632 if (cdp->bmAttributes & UC_BUS_POWERED) { 633 /* Must ask device. */ 634 if (dev->quirks->uq_flags & UQ_POWER_CLAIM) { 635 /* 636 * Hub claims to be self powered, but isn't. 637 * It seems that the power status can be 638 * determined by the hub characteristics. 639 */ 640 usb_hub_descriptor_t hd; 641 usb_device_request_t req; 642 req.bmRequestType = UT_READ_CLASS_DEVICE; 643 req.bRequest = UR_GET_DESCRIPTOR; 644 USETW(req.wValue, 0); 645 USETW(req.wIndex, 0); 646 USETW(req.wLength, USB_HUB_DESCRIPTOR_SIZE); 647 err = usbd_do_request(dev, &req, &hd); 648 if (!err && 649 (UGETW(hd.wHubCharacteristics) & 650 UHD_PWR_INDIVIDUAL)) 651 selfpowered = 1; 652 DPRINTF(("usbd_set_config_index: charac=0x%04x" 653 ", error=%s\n", 654 UGETW(hd.wHubCharacteristics), 655 usbd_errstr(err))); 656 } else { 657 err = usbd_get_device_status(dev, &ds); 658 if (!err && 659 (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 660 selfpowered = 1; 661 DPRINTF(("usbd_set_config_index: status=0x%04x" 662 ", error=%s\n", 663 UGETW(ds.wStatus), usbd_errstr(err))); 664 } 665 } else 666 selfpowered = 1; 667 } 668 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 669 "selfpowered=%d, power=%d\n", 670 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 671 selfpowered, cdp->bMaxPower * 2)); 672 673 /* Check if we have enough power. */ 674 #ifdef USB_DEBUG 675 if (dev->powersrc == NULL) { 676 DPRINTF(("usbd_set_config_index: No power source?\n")); 677 return (USBD_IOERROR); 678 } 679 #endif 680 power = cdp->bMaxPower * 2; 681 if (power > dev->powersrc->power) { 682 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 683 /* XXX print nicer message. */ 684 if (msg) 685 printf("%s: device addr %d (config %d) exceeds power " 686 "budget, %d mA > %d mA\n", 687 USBDEVNAME(dev->bus->bdev), dev->address, 688 cdp->bConfigurationValue, 689 power, dev->powersrc->power); 690 err = USBD_NO_POWER; 691 goto bad; 692 } 693 dev->power = power; 694 dev->self_powered = selfpowered; 695 696 /* Set the actual configuration value. */ 697 DPRINTF(("usbd_set_config_index: set config %d\n", 698 cdp->bConfigurationValue)); 699 err = usbd_set_config(dev, cdp->bConfigurationValue); 700 if (err) { 701 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 702 "error=%s\n", 703 cdp->bConfigurationValue, usbd_errstr(err))); 704 goto bad; 705 } 706 707 /* Allocate and fill interface data. */ 708 nifc = cdp->bNumInterface; 709 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 710 M_USB, M_NOWAIT); 711 if (dev->ifaces == NULL) { 712 err = USBD_NOMEM; 713 goto bad; 714 } 715 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 716 dev->cdesc = cdp; 717 dev->config = cdp->bConfigurationValue; 718 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 719 err = usbd_fill_iface_data(dev, ifcidx, 0); 720 if (err) { 721 while (--ifcidx >= 0) 722 usbd_free_iface_data(dev, ifcidx); 723 goto bad; 724 } 725 } 726 727 return (USBD_NORMAL_COMPLETION); 728 729 bad: 730 free(cdp, M_USB); 731 return (err); 732 } 733 734 /* XXX add function for alternate settings */ 735 736 usbd_status 737 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 738 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 739 { 740 usbd_pipe_handle p; 741 usbd_status err; 742 743 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 744 dev, iface, ep, pipe)); 745 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 746 if (p == NULL) 747 return (USBD_NOMEM); 748 p->device = dev; 749 p->iface = iface; 750 p->endpoint = ep; 751 ep->refcnt++; 752 p->refcnt = 1; 753 p->intrxfer = 0; 754 p->running = 0; 755 p->aborting = 0; 756 p->repeat = 0; 757 p->interval = ival; 758 SIMPLEQ_INIT(&p->queue); 759 err = dev->bus->methods->open_pipe(p); 760 if (err) { 761 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 762 "%s\n", 763 ep->edesc->bEndpointAddress, usbd_errstr(err))); 764 free(p, M_USB); 765 return (err); 766 } 767 *pipe = p; 768 return (USBD_NORMAL_COMPLETION); 769 } 770 771 /* Abort the device control pipe. */ 772 void 773 usbd_kill_pipe(usbd_pipe_handle pipe) 774 { 775 usbd_abort_pipe(pipe); 776 pipe->methods->close(pipe); 777 pipe->endpoint->refcnt--; 778 free(pipe, M_USB); 779 } 780 781 int 782 usbd_getnewaddr(usbd_bus_handle bus) 783 { 784 int addr; 785 786 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 787 if (bus->devices[addr] == 0) 788 return (addr); 789 return (-1); 790 } 791 792 793 usbd_status 794 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 795 int port, int addr) 796 { 797 struct usb_attach_arg uaa; 798 usb_device_descriptor_t *dd = &dev->ddesc; 799 int found, i, confi, nifaces; 800 usbd_status err; 801 device_ptr_t dv; 802 usbd_interface_handle *ifaces; 803 804 #if defined(__FreeBSD__) 805 /* 806 * XXX uaa is a static var. Not a problem as it _should_ be used only 807 * during probe and attach. Should be changed however. 808 */ 809 device_t bdev; 810 bdev = device_add_child(parent, NULL, -1, &uaa); 811 if (!bdev) { 812 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 813 return (USBD_INVAL); 814 } 815 device_quiet(bdev); 816 #endif 817 818 uaa.device = dev; 819 uaa.iface = NULL; 820 uaa.ifaces = NULL; 821 uaa.nifaces = 0; 822 uaa.usegeneric = 0; 823 uaa.port = port; 824 uaa.configno = UHUB_UNK_CONFIGURATION; 825 uaa.ifaceno = UHUB_UNK_INTERFACE; 826 uaa.vendor = UGETW(dd->idVendor); 827 uaa.product = UGETW(dd->idProduct); 828 uaa.release = UGETW(dd->bcdDevice); 829 830 /* First try with device specific drivers. */ 831 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 832 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 833 if (dv) { 834 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 835 if (dev->subdevs == NULL) 836 return (USBD_NOMEM); 837 dev->subdevs[0] = dv; 838 dev->subdevs[1] = 0; 839 return (USBD_NORMAL_COMPLETION); 840 } 841 842 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 843 844 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 845 dd->bNumConfigurations)); 846 /* Next try with interface drivers. */ 847 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 848 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 849 confi)); 850 err = usbd_set_config_index(dev, confi, 1); 851 if (err) { 852 #ifdef USB_DEBUG 853 DPRINTF(("%s: port %d, set config at addr %d failed, " 854 "error=%s\n", USBDEVPTRNAME(parent), port, 855 addr, usbd_errstr(err))); 856 #else 857 printf("%s: port %d, set config at addr %d failed\n", 858 USBDEVPTRNAME(parent), port, addr); 859 #endif 860 #if defined(__FreeBSD__) 861 device_delete_child(parent, bdev); 862 #endif 863 864 return (err); 865 } 866 nifaces = dev->cdesc->bNumInterface; 867 uaa.configno = dev->cdesc->bConfigurationValue; 868 ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT); 869 if (ifaces == NULL) 870 goto nomem; 871 for (i = 0; i < nifaces; i++) 872 ifaces[i] = &dev->ifaces[i]; 873 uaa.ifaces = ifaces; 874 uaa.nifaces = nifaces; 875 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 876 if (dev->subdevs == NULL) { 877 free(ifaces, M_USB); 878 nomem: 879 #if defined(__FreeBSD__) 880 device_delete_child(parent, bdev); 881 #endif 882 return (USBD_NOMEM); 883 } 884 885 found = 0; 886 for (i = 0; i < nifaces; i++) { 887 if (ifaces[i] == NULL) 888 continue; /* interface already claimed */ 889 uaa.iface = ifaces[i]; 890 uaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 891 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, 892 usbd_submatch); 893 if (dv != NULL) { 894 dev->subdevs[found++] = dv; 895 dev->subdevs[found] = 0; 896 ifaces[i] = 0; /* consumed */ 897 898 #if defined(__FreeBSD__) 899 /* create another child for the next iface */ 900 bdev = device_add_child(parent, NULL, -1,&uaa); 901 if (!bdev) { 902 printf("%s: Device creation failed\n", 903 USBDEVNAME(dev->bus->bdev)); 904 free(ifaces, M_USB); 905 return (USBD_NORMAL_COMPLETION); 906 } 907 device_quiet(bdev); 908 #endif 909 } 910 } 911 if (found != 0) { 912 #if defined(__FreeBSD__) 913 /* remove the last created child again; it is unused */ 914 device_delete_child(parent, bdev); 915 #endif 916 free(ifaces, M_USB); 917 return (USBD_NORMAL_COMPLETION); 918 } 919 free(ifaces, M_USB); 920 free(dev->subdevs, M_USB); 921 dev->subdevs = 0; 922 } 923 /* No interfaces were attached in any of the configurations. */ 924 925 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 926 usbd_set_config_index(dev, 0, 0); 927 928 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 929 930 /* Finally try the generic driver. */ 931 uaa.iface = NULL; 932 uaa.usegeneric = 1; 933 uaa.configno = UHUB_UNK_CONFIGURATION; 934 uaa.ifaceno = UHUB_UNK_INTERFACE; 935 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 936 if (dv != NULL) { 937 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 938 if (dev->subdevs == 0) 939 return (USBD_NOMEM); 940 dev->subdevs[0] = dv; 941 dev->subdevs[1] = 0; 942 return (USBD_NORMAL_COMPLETION); 943 } 944 945 /* 946 * The generic attach failed, but leave the device as it is. 947 * We just did not find any drivers, that's all. The device is 948 * fully operational and not harming anyone. 949 */ 950 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 951 #if defined(__FreeBSD__) 952 device_delete_child(parent, bdev); 953 #endif 954 return (USBD_NORMAL_COMPLETION); 955 } 956 957 958 /* 959 * Called when a new device has been put in the powered state, 960 * but not yet in the addressed state. 961 * Get initial descriptor, set the address, get full descriptor, 962 * and attach a driver. 963 */ 964 usbd_status 965 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 966 int speed, int port, struct usbd_port *up) 967 { 968 usbd_device_handle dev, adev; 969 struct usbd_device *hub; 970 usb_device_descriptor_t *dd; 971 usb_port_status_t ps; 972 usbd_status err; 973 int addr; 974 int i; 975 int p; 976 977 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 978 bus, port, depth, speed)); 979 addr = usbd_getnewaddr(bus); 980 if (addr < 0) { 981 printf("%s: No free USB addresses, new device ignored.\n", 982 USBDEVNAME(bus->bdev)); 983 return (USBD_NO_ADDR); 984 } 985 986 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 987 if (dev == NULL) 988 return (USBD_NOMEM); 989 990 dev->bus = bus; 991 992 /* Set up default endpoint handle. */ 993 dev->def_ep.edesc = &dev->def_ep_desc; 994 995 /* Set up default endpoint descriptor. */ 996 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 997 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 998 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 999 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1000 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1001 dev->def_ep_desc.bInterval = 0; 1002 1003 dev->quirks = &usbd_no_quirk; 1004 dev->address = USB_START_ADDR; 1005 dev->ddesc.bMaxPacketSize = 0; 1006 dev->depth = depth; 1007 dev->powersrc = up; 1008 dev->myhub = up->parent; 1009 1010 up->device = dev; 1011 1012 /* Locate port on upstream high speed hub */ 1013 for (adev = dev, hub = up->parent; 1014 hub != NULL && hub->speed != USB_SPEED_HIGH; 1015 adev = hub, hub = hub->myhub) 1016 ; 1017 if (hub) { 1018 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 1019 if (hub->hub->ports[p].device == adev) { 1020 dev->myhsport = &hub->hub->ports[p]; 1021 goto found; 1022 } 1023 } 1024 panic("usbd_new_device: cannot find HS port\n"); 1025 found: 1026 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 1027 } else { 1028 dev->myhsport = NULL; 1029 } 1030 dev->speed = speed; 1031 dev->langid = USBD_NOLANG; 1032 dev->cookie.cookie = ++usb_cookie_no; 1033 1034 /* Establish the default pipe. */ 1035 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1036 &dev->default_pipe); 1037 if (err) { 1038 usbd_remove_device(dev, up); 1039 return (err); 1040 } 1041 1042 /* Set the address. Do this early; some devices need that. */ 1043 err = usbd_set_address(dev, addr); 1044 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1045 if (err) { 1046 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1047 err = USBD_SET_ADDR_FAILED; 1048 usbd_remove_device(dev, up); 1049 return (err); 1050 } 1051 /* Allow device time to set new address */ 1052 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1053 dev->address = addr; /* New device address now */ 1054 bus->devices[addr] = dev; 1055 1056 dd = &dev->ddesc; 1057 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1058 for (i = 0; i < 10; i++) { 1059 /* Get the first 8 bytes of the device descriptor. */ 1060 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1061 if (!err) 1062 break; 1063 usbd_delay_ms(dev, 200); 1064 if ((i & 3) == 3) 1065 usbd_reset_port(up->parent, port, &ps); 1066 } 1067 if (err) { 1068 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1069 "failed\n", addr)); 1070 usbd_remove_device(dev, up); 1071 return (err); 1072 } 1073 1074 if (speed == USB_SPEED_HIGH) { 1075 /* Max packet size must be 64 (sec 5.5.3). */ 1076 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1077 #ifdef DIAGNOSTIC 1078 printf("usbd_new_device: addr=%d bad max packet size\n", 1079 addr); 1080 #endif 1081 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1082 } 1083 } 1084 1085 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1086 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1087 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1088 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1089 dev->speed)); 1090 1091 if (dd->bDescriptorType != UDESC_DEVICE) { 1092 /* Illegal device descriptor */ 1093 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1094 dd->bDescriptorType)); 1095 usbd_remove_device(dev, up); 1096 return (USBD_INVAL); 1097 } 1098 1099 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1100 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1101 usbd_remove_device(dev, up); 1102 return (USBD_INVAL); 1103 } 1104 1105 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1106 1107 err = usbd_reload_device_desc(dev); 1108 if (err) { 1109 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1110 "failed\n", addr)); 1111 usbd_remove_device(dev, up); 1112 return (err); 1113 } 1114 1115 /* Assume 100mA bus powered for now. Changed when configured. */ 1116 dev->power = USB_MIN_POWER; 1117 dev->self_powered = 0; 1118 1119 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1120 addr, dev, parent)); 1121 1122 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1123 1124 err = usbd_probe_and_attach(parent, dev, port, addr); 1125 if (err) { 1126 usbd_remove_device(dev, up); 1127 return (err); 1128 } 1129 1130 return (USBD_NORMAL_COMPLETION); 1131 } 1132 1133 usbd_status 1134 usbd_reload_device_desc(usbd_device_handle dev) 1135 { 1136 usbd_status err; 1137 1138 /* Get the full device descriptor. */ 1139 err = usbd_get_device_desc(dev, &dev->ddesc); 1140 if (err) 1141 return (err); 1142 1143 /* Figure out what's wrong with this device. */ 1144 dev->quirks = usbd_find_quirk(&dev->ddesc); 1145 1146 return (USBD_NORMAL_COMPLETION); 1147 } 1148 1149 void 1150 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1151 { 1152 DPRINTF(("usbd_remove_device: %p\n", dev)); 1153 1154 if (dev->default_pipe != NULL) 1155 usbd_kill_pipe(dev->default_pipe); 1156 up->device = NULL; 1157 dev->bus->devices[dev->address] = NULL; 1158 1159 free(dev, M_USB); 1160 } 1161 1162 #if defined(__NetBSD__) || defined(__OpenBSD__) 1163 int 1164 usbd_print(void *aux, const char *pnp) 1165 { 1166 struct usb_attach_arg *uaa = aux; 1167 1168 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1169 if (pnp) { 1170 #define USB_DEVINFO 1024 1171 char *devinfo; 1172 if (!uaa->usegeneric) 1173 return (QUIET); 1174 devinfo = malloc(USB_DEVINFO, M_TEMP, M_WAITOK); 1175 usbd_devinfo(uaa->device, 1, devinfo, USB_DEVINFO); 1176 aprint_normal("%s, %s", devinfo, pnp); 1177 free(devinfo, M_TEMP); 1178 } 1179 if (uaa->port != 0) 1180 aprint_normal(" port %d", uaa->port); 1181 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1182 aprint_normal(" configuration %d", uaa->configno); 1183 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1184 aprint_normal(" interface %d", uaa->ifaceno); 1185 #if 0 1186 /* 1187 * It gets very crowded with these locators on the attach line. 1188 * They are not really needed since they are printed in the clear 1189 * by each driver. 1190 */ 1191 if (uaa->vendor != UHUB_UNK_VENDOR) 1192 aprint_normal(" vendor 0x%04x", uaa->vendor); 1193 if (uaa->product != UHUB_UNK_PRODUCT) 1194 aprint_normal(" product 0x%04x", uaa->product); 1195 if (uaa->release != UHUB_UNK_RELEASE) 1196 aprint_normal(" release 0x%04x", uaa->release); 1197 #endif 1198 return (UNCONF); 1199 } 1200 1201 #if defined(__NetBSD__) 1202 int 1203 usbd_submatch(struct device *parent, struct cfdata *cf, 1204 const int *ldesc, void *aux) 1205 { 1206 #elif defined(__OpenBSD__) 1207 int 1208 usbd_submatch(struct device *parent, void *match, void *aux) 1209 { 1210 struct cfdata *cf = match; 1211 #endif 1212 struct usb_attach_arg *uaa = aux; 1213 1214 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1215 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1216 uaa->port, cf->uhubcf_port, 1217 uaa->configno, cf->uhubcf_configuration, 1218 uaa->ifaceno, cf->uhubcf_interface, 1219 uaa->vendor, cf->uhubcf_vendor, 1220 uaa->product, cf->uhubcf_product, 1221 uaa->release, cf->uhubcf_release)); 1222 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1223 ((cf->uhubcf_port != UHUB_UNK_PORT && 1224 cf->uhubcf_port != uaa->port) || 1225 (uaa->configno != UHUB_UNK_CONFIGURATION && 1226 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1227 cf->uhubcf_configuration != uaa->configno) || 1228 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1229 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1230 cf->uhubcf_interface != uaa->ifaceno) || 1231 (uaa->vendor != UHUB_UNK_VENDOR && 1232 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1233 cf->uhubcf_vendor != uaa->vendor) || 1234 (uaa->product != UHUB_UNK_PRODUCT && 1235 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1236 cf->uhubcf_product != uaa->product) || 1237 (uaa->release != UHUB_UNK_RELEASE && 1238 cf->uhubcf_release != UHUB_UNK_RELEASE && 1239 cf->uhubcf_release != uaa->release) 1240 ) 1241 ) 1242 return 0; 1243 return (config_match(parent, cf, aux)); 1244 } 1245 1246 #endif 1247 1248 void 1249 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1250 int usedev) 1251 { 1252 struct usbd_port *p; 1253 int i, err, s; 1254 1255 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1256 di->udi_addr = dev->address; 1257 di->udi_cookie = dev->cookie; 1258 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev); 1259 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1260 UGETW(dev->ddesc.bcdDevice)); 1261 di->udi_serial[0] = 0; 1262 if (usedev) 1263 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1264 di->udi_serial); 1265 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1266 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1267 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1268 di->udi_class = dev->ddesc.bDeviceClass; 1269 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1270 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1271 di->udi_config = dev->config; 1272 di->udi_power = dev->self_powered ? 0 : dev->power; 1273 di->udi_speed = dev->speed; 1274 1275 if (dev->subdevs != NULL) { 1276 for (i = 0; dev->subdevs[i] && 1277 i < USB_MAX_DEVNAMES; i++) { 1278 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1279 USB_MAX_DEVNAMELEN); 1280 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1281 } 1282 } else { 1283 i = 0; 1284 } 1285 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1286 di->udi_devnames[i][0] = 0; /* empty */ 1287 1288 if (dev->hub) { 1289 for (i = 0; 1290 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1291 i < dev->hub->hubdesc.bNbrPorts; 1292 i++) { 1293 p = &dev->hub->ports[i]; 1294 if (p->device) 1295 err = p->device->address; 1296 else { 1297 s = UGETW(p->status.wPortStatus); 1298 if (s & UPS_PORT_ENABLED) 1299 err = USB_PORT_ENABLED; 1300 else if (s & UPS_SUSPEND) 1301 err = USB_PORT_SUSPENDED; 1302 else if (s & UPS_PORT_POWER) 1303 err = USB_PORT_POWERED; 1304 else 1305 err = USB_PORT_DISABLED; 1306 } 1307 di->udi_ports[i] = err; 1308 } 1309 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1310 } else 1311 di->udi_nports = 0; 1312 } 1313 1314 void 1315 usb_free_device(usbd_device_handle dev) 1316 { 1317 int ifcidx, nifc; 1318 1319 if (dev->default_pipe != NULL) 1320 usbd_kill_pipe(dev->default_pipe); 1321 if (dev->ifaces != NULL) { 1322 nifc = dev->cdesc->bNumInterface; 1323 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1324 usbd_free_iface_data(dev, ifcidx); 1325 free(dev->ifaces, M_USB); 1326 } 1327 if (dev->cdesc != NULL) 1328 free(dev->cdesc, M_USB); 1329 if (dev->subdevs != NULL) 1330 free(dev->subdevs, M_USB); 1331 free(dev, M_USB); 1332 } 1333 1334 /* 1335 * The general mechanism for detaching drivers works as follows: Each 1336 * driver is responsible for maintaining a reference count on the 1337 * number of outstanding references to its softc (e.g. from 1338 * processing hanging in a read or write). The detach method of the 1339 * driver decrements this counter and flags in the softc that the 1340 * driver is dying and then wakes any sleepers. It then sleeps on the 1341 * softc. Each place that can sleep must maintain the reference 1342 * count. When the reference count drops to -1 (0 is the normal value 1343 * of the reference count) the a wakeup on the softc is performed 1344 * signaling to the detach waiter that all references are gone. 1345 */ 1346 1347 /* 1348 * Called from process context when we discover that a port has 1349 * been disconnected. 1350 */ 1351 void 1352 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1353 { 1354 usbd_device_handle dev = up->device; 1355 char *hubname = USBDEVPTRNAME(parent); 1356 int i; 1357 1358 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1359 up, dev, up->portno)); 1360 1361 #ifdef DIAGNOSTIC 1362 if (dev == NULL) { 1363 printf("usb_disconnect_port: no device\n"); 1364 return; 1365 } 1366 #endif 1367 1368 if (dev->subdevs != NULL) { 1369 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1370 for (i = 0; dev->subdevs[i]; i++) { 1371 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1372 hubname); 1373 if (up->portno != 0) 1374 printf(" port %d", up->portno); 1375 printf(" (addr %d) disconnected\n", dev->address); 1376 config_detach(dev->subdevs[i], DETACH_FORCE); 1377 dev->subdevs[i] = 0; 1378 } 1379 } 1380 1381 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1382 dev->bus->devices[dev->address] = NULL; 1383 up->device = NULL; 1384 usb_free_device(dev); 1385 } 1386 1387 #ifdef __OpenBSD__ 1388 void *usb_realloc(void *p, u_int size, int pool, int flags) 1389 { 1390 void *q; 1391 1392 q = malloc(size, pool, flags); 1393 if (q == NULL) 1394 return (NULL); 1395 bcopy(p, q, size); 1396 free(p, pool); 1397 return (q); 1398 } 1399 #endif 1400