1 /* $NetBSD: usb_subr.c,v 1.149 2007/10/19 12:01:22 ad 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 1.149 2007/10/19 12:01:22 ad Exp $"); 43 44 #include "opt_compat_netbsd.h" 45 #include "opt_usbverbose.h" 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/malloc.h> 51 #if defined(__NetBSD__) || defined(__OpenBSD__) 52 #include <sys/device.h> 53 #include <sys/select.h> 54 #elif defined(__FreeBSD__) 55 #include <sys/module.h> 56 #include <sys/bus.h> 57 #endif 58 #include <sys/proc.h> 59 60 #include <sys/bus.h> 61 62 #include <dev/usb/usb.h> 63 64 #include <dev/usb/usbdi.h> 65 #include <dev/usb/usbdi_util.h> 66 #include <dev/usb/usbdivar.h> 67 #include <dev/usb/usbdevs.h> 68 #include <dev/usb/usb_quirks.h> 69 70 #if defined(__FreeBSD__) 71 #include <machine/clock.h> 72 #define delay(d) DELAY(d) 73 #endif 74 75 #ifdef USB_DEBUG 76 #define DPRINTF(x) if (usbdebug) logprintf x 77 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 78 extern int usbdebug; 79 #else 80 #define DPRINTF(x) 81 #define DPRINTFN(n,x) 82 #endif 83 84 Static usbd_status usbd_set_config(usbd_device_handle, int); 85 Static void usbd_devinfo(usbd_device_handle, int, char *, size_t); 86 Static void usbd_devinfo_vp(usbd_device_handle dev, 87 char *v, 88 char *p, int usedev, 89 int useencoded ); 90 Static int usbd_getnewaddr(usbd_bus_handle bus); 91 #if defined(__NetBSD__) 92 Static int usbd_print(void *, const char *); 93 Static int usbd_ifprint(void *, const char *); 94 Static int usbd_submatch(device_ptr_t, struct cfdata *, 95 const int *, void *); 96 Static int usbd_ifsubmatch(device_ptr_t, struct cfdata *, 97 const int *, void *); 98 #elif defined(__OpenBSD__) 99 Static int usbd_print(void *aux, const char *pnp); 100 Static int usbd_submatch(device_ptr_t, void *, void *); 101 #endif 102 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 103 Static void usbd_kill_pipe(usbd_pipe_handle); 104 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 105 usbd_device_handle dev, int port, int addr); 106 107 Static u_int32_t usb_cookie_no = 0; 108 109 #ifdef USBVERBOSE 110 typedef u_int16_t usb_vendor_id_t; 111 typedef u_int16_t usb_product_id_t; 112 113 /* 114 * Descriptions of of known vendors and devices ("products"). 115 */ 116 struct usb_vendor { 117 usb_vendor_id_t vendor; 118 const char *vendorname; 119 }; 120 struct usb_product { 121 usb_vendor_id_t vendor; 122 usb_product_id_t product; 123 const char *productname; 124 }; 125 126 #include <dev/usb/usbdevs_data.h> 127 #endif /* USBVERBOSE */ 128 129 Static const char * const usbd_error_strs[] = { 130 "NORMAL_COMPLETION", 131 "IN_PROGRESS", 132 "PENDING_REQUESTS", 133 "NOT_STARTED", 134 "INVAL", 135 "NOMEM", 136 "CANCELLED", 137 "BAD_ADDRESS", 138 "IN_USE", 139 "NO_ADDR", 140 "SET_ADDR_FAILED", 141 "NO_POWER", 142 "TOO_DEEP", 143 "IOERROR", 144 "NOT_CONFIGURED", 145 "TIMEOUT", 146 "SHORT_XFER", 147 "STALLED", 148 "INTERRUPTED", 149 "XXX", 150 }; 151 152 const char * 153 usbd_errstr(usbd_status err) 154 { 155 static char buffer[5]; 156 157 if (err < USBD_ERROR_MAX) { 158 return usbd_error_strs[err]; 159 } else { 160 snprintf(buffer, sizeof buffer, "%d", err); 161 return buffer; 162 } 163 } 164 165 usbd_status 166 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 167 usb_string_descriptor_t *sdesc, int *sizep) 168 { 169 usb_device_request_t req; 170 usbd_status err; 171 int actlen; 172 173 req.bmRequestType = UT_READ_DEVICE; 174 req.bRequest = UR_GET_DESCRIPTOR; 175 USETW2(req.wValue, UDESC_STRING, sindex); 176 USETW(req.wIndex, langid); 177 USETW(req.wLength, 2); /* only size byte first */ 178 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 179 &actlen, USBD_DEFAULT_TIMEOUT); 180 if (err) 181 return (err); 182 183 if (actlen < 2) 184 return (USBD_SHORT_XFER); 185 186 USETW(req.wLength, sdesc->bLength); /* the whole string */ 187 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 188 &actlen, USBD_DEFAULT_TIMEOUT); 189 if (err) 190 return (err); 191 192 if (actlen != sdesc->bLength) { 193 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 194 sdesc->bLength, actlen)); 195 } 196 197 *sizep = actlen; 198 return (USBD_NORMAL_COMPLETION); 199 } 200 201 static void 202 usbd_trim_spaces(char *p) 203 { 204 char *q, *e; 205 206 q = e = p; 207 while (*q == ' ') /* skip leading spaces */ 208 q++; 209 while ((*p = *q++)) /* copy string */ 210 if (*p++ != ' ') /* remember last non-space */ 211 e = p; 212 *e = '\0'; /* kill trailing spaces */ 213 } 214 215 Static void 216 usbd_devinfo_vp(usbd_device_handle dev, char *v, 217 char *p, int usedev, int useencoded) 218 { 219 usb_device_descriptor_t *udd = &dev->ddesc; 220 #ifdef USBVERBOSE 221 int n; 222 #endif 223 224 v[0] = p[0] = '\0'; 225 if (dev == NULL) 226 return; 227 228 if (usedev) { 229 if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == 230 USBD_NORMAL_COMPLETION) 231 usbd_trim_spaces(v); 232 if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == 233 USBD_NORMAL_COMPLETION) 234 usbd_trim_spaces(p); 235 } 236 /* There is no need for strlcpy & snprintf below. */ 237 #ifdef USBVERBOSE 238 if (v[0] == '\0') 239 for (n = 0; n < usb_nvendors; n++) 240 if (usb_vendors[n].vendor == UGETW(udd->idVendor)) { 241 strcpy(v, usb_vendors[n].vendorname); 242 break; 243 } 244 if (p[0] == '\0') 245 for (n = 0; n < usb_nproducts; n++) 246 if (usb_products[n].vendor == UGETW(udd->idVendor) && 247 usb_products[n].product == UGETW(udd->idProduct)) { 248 strcpy(p, usb_products[n].productname); 249 break; 250 } 251 #endif 252 if (v[0] == '\0') 253 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 254 if (p[0] == '\0') 255 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 256 } 257 258 int 259 usbd_printBCD(char *cp, size_t l, int bcd) 260 { 261 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 262 } 263 264 Static void 265 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 266 { 267 usb_device_descriptor_t *udd = &dev->ddesc; 268 char *vendor, *product; 269 int bcdDevice, bcdUSB; 270 char *ep; 271 272 vendor = malloc(USB_MAX_ENCODED_STRING_LEN * 2, M_USB, M_NOWAIT); 273 if (vendor == NULL) { 274 *cp = '\0'; 275 return; 276 } 277 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 278 279 ep = cp + l; 280 281 usbd_devinfo_vp(dev, vendor, product, 1, 1); 282 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 283 if (showclass) 284 cp += snprintf(cp, ep - cp, ", class %d/%d", 285 udd->bDeviceClass, udd->bDeviceSubClass); 286 bcdUSB = UGETW(udd->bcdUSB); 287 bcdDevice = UGETW(udd->bcdDevice); 288 cp += snprintf(cp, ep - cp, ", rev "); 289 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 290 *cp++ = '/'; 291 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 292 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 293 *cp = 0; 294 free(vendor, M_USB); 295 } 296 297 char * 298 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 299 { 300 char *devinfop; 301 302 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 303 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 304 return devinfop; 305 } 306 307 void 308 usbd_devinfo_free(char *devinfop) 309 { 310 free(devinfop, M_TEMP); 311 } 312 313 /* Delay for a certain number of ms */ 314 void 315 usb_delay_ms(usbd_bus_handle bus, u_int ms) 316 { 317 /* Wait at least two clock ticks so we know the time has passed. */ 318 if (bus->use_polling || cold) 319 delay((ms+1) * 1000); 320 else 321 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 322 } 323 324 /* Delay given a device handle. */ 325 void 326 usbd_delay_ms(usbd_device_handle dev, u_int ms) 327 { 328 usb_delay_ms(dev->bus, ms); 329 } 330 331 usbd_status 332 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 333 { 334 usb_device_request_t req; 335 usbd_status err; 336 int n; 337 338 req.bmRequestType = UT_WRITE_CLASS_OTHER; 339 req.bRequest = UR_SET_FEATURE; 340 USETW(req.wValue, UHF_PORT_RESET); 341 USETW(req.wIndex, port); 342 USETW(req.wLength, 0); 343 err = usbd_do_request(dev, &req, 0); 344 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 345 port, usbd_errstr(err))); 346 if (err) 347 return (err); 348 n = 10; 349 do { 350 /* Wait for device to recover from reset. */ 351 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 352 err = usbd_get_port_status(dev, port, ps); 353 if (err) { 354 DPRINTF(("usbd_reset_port: get status failed %d\n", 355 err)); 356 return (err); 357 } 358 /* If the device disappeared, just give up. */ 359 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 360 return (USBD_NORMAL_COMPLETION); 361 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 362 if (n == 0) 363 return (USBD_TIMEOUT); 364 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 365 #ifdef USB_DEBUG 366 if (err) 367 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 368 err)); 369 #endif 370 371 /* Wait for the device to recover from reset. */ 372 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 373 return (err); 374 } 375 376 usb_interface_descriptor_t * 377 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 378 { 379 char *p = (char *)cd; 380 char *end = p + UGETW(cd->wTotalLength); 381 usb_interface_descriptor_t *d; 382 int curidx, lastidx, curaidx = 0; 383 384 for (curidx = lastidx = -1; p < end; ) { 385 d = (usb_interface_descriptor_t *)p; 386 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 387 "type=%d\n", 388 ifaceidx, curidx, altidx, curaidx, 389 d->bLength, d->bDescriptorType)); 390 if (d->bLength == 0) /* bad descriptor */ 391 break; 392 p += d->bLength; 393 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 394 if (d->bInterfaceNumber != lastidx) { 395 lastidx = d->bInterfaceNumber; 396 curidx++; 397 curaidx = 0; 398 } else 399 curaidx++; 400 if (ifaceidx == curidx && altidx == curaidx) 401 return (d); 402 } 403 } 404 return (NULL); 405 } 406 407 usb_endpoint_descriptor_t * 408 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 409 int endptidx) 410 { 411 char *p = (char *)cd; 412 char *end = p + UGETW(cd->wTotalLength); 413 usb_interface_descriptor_t *d; 414 usb_endpoint_descriptor_t *e; 415 int curidx; 416 417 d = usbd_find_idesc(cd, ifaceidx, altidx); 418 if (d == NULL) 419 return (NULL); 420 if (endptidx >= d->bNumEndpoints) /* quick exit */ 421 return (NULL); 422 423 curidx = -1; 424 for (p = (char *)d + d->bLength; p < end; ) { 425 e = (usb_endpoint_descriptor_t *)p; 426 if (e->bLength == 0) /* bad descriptor */ 427 break; 428 p += e->bLength; 429 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 430 return (NULL); 431 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 432 curidx++; 433 if (curidx == endptidx) 434 return (e); 435 } 436 } 437 return (NULL); 438 } 439 440 usbd_status 441 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 442 { 443 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 444 usb_interface_descriptor_t *idesc; 445 char *p, *end; 446 int endpt, nendpt; 447 448 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 449 ifaceidx, altidx)); 450 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 451 if (idesc == NULL) 452 return (USBD_INVAL); 453 ifc->device = dev; 454 ifc->idesc = idesc; 455 ifc->index = ifaceidx; 456 ifc->altindex = altidx; 457 nendpt = ifc->idesc->bNumEndpoints; 458 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 459 if (nendpt != 0) { 460 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 461 M_USB, M_NOWAIT); 462 if (ifc->endpoints == NULL) 463 return (USBD_NOMEM); 464 } else 465 ifc->endpoints = NULL; 466 ifc->priv = NULL; 467 p = (char *)ifc->idesc + ifc->idesc->bLength; 468 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 469 #define ed ((usb_endpoint_descriptor_t *)p) 470 for (endpt = 0; endpt < nendpt; endpt++) { 471 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 472 for (; p < end; p += ed->bLength) { 473 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 474 "len=%d type=%d\n", 475 p, end, ed->bLength, ed->bDescriptorType)); 476 if (p + ed->bLength <= end && ed->bLength != 0 && 477 ed->bDescriptorType == UDESC_ENDPOINT) 478 goto found; 479 if (ed->bLength == 0 || 480 ed->bDescriptorType == UDESC_INTERFACE) 481 break; 482 } 483 /* passed end, or bad desc */ 484 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 485 ed->bLength == 0 ? "0 length" : 486 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 487 "out of data"); 488 goto bad; 489 found: 490 ifc->endpoints[endpt].edesc = ed; 491 if (dev->speed == USB_SPEED_HIGH) { 492 u_int mps; 493 /* Control and bulk endpoints have max packet limits. */ 494 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 495 case UE_CONTROL: 496 mps = USB_2_MAX_CTRL_PACKET; 497 goto check; 498 case UE_BULK: 499 mps = USB_2_MAX_BULK_PACKET; 500 check: 501 if (UGETW(ed->wMaxPacketSize) != mps) { 502 USETW(ed->wMaxPacketSize, mps); 503 #ifdef DIAGNOSTIC 504 printf("usbd_fill_iface_data: bad max " 505 "packet size\n"); 506 #endif 507 } 508 break; 509 default: 510 break; 511 } 512 } 513 ifc->endpoints[endpt].refcnt = 0; 514 p += ed->bLength; 515 } 516 #undef ed 517 LIST_INIT(&ifc->pipes); 518 return (USBD_NORMAL_COMPLETION); 519 520 bad: 521 if (ifc->endpoints != NULL) { 522 free(ifc->endpoints, M_USB); 523 ifc->endpoints = NULL; 524 } 525 return (USBD_INVAL); 526 } 527 528 void 529 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 530 { 531 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 532 if (ifc->endpoints) 533 free(ifc->endpoints, M_USB); 534 } 535 536 Static usbd_status 537 usbd_set_config(usbd_device_handle dev, int conf) 538 { 539 usb_device_request_t req; 540 541 req.bmRequestType = UT_WRITE_DEVICE; 542 req.bRequest = UR_SET_CONFIG; 543 USETW(req.wValue, conf); 544 USETW(req.wIndex, 0); 545 USETW(req.wLength, 0); 546 return (usbd_do_request(dev, &req, 0)); 547 } 548 549 usbd_status 550 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 551 { 552 int index; 553 usb_config_descriptor_t cd; 554 usbd_status err; 555 556 if (no == USB_UNCONFIG_NO) 557 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 558 559 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 560 /* Figure out what config index to use. */ 561 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 562 err = usbd_get_config_desc(dev, index, &cd); 563 if (err) 564 return (err); 565 if (cd.bConfigurationValue == no) 566 return (usbd_set_config_index(dev, index, msg)); 567 } 568 return (USBD_INVAL); 569 } 570 571 usbd_status 572 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 573 { 574 usb_config_descriptor_t cd, *cdp; 575 usbd_status err; 576 int i, ifcidx, nifc, len, selfpowered, power; 577 578 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 579 580 if (index >= dev->ddesc.bNumConfigurations && 581 index != USB_UNCONFIG_NO) { 582 /* panic? */ 583 printf("usbd_set_config_index: illegal index\n"); 584 return (USBD_INVAL); 585 } 586 587 /* XXX check that all interfaces are idle */ 588 if (dev->config != USB_UNCONFIG_NO) { 589 DPRINTF(("usbd_set_config_index: free old config\n")); 590 /* Free all configuration data structures. */ 591 nifc = dev->cdesc->bNumInterface; 592 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 593 usbd_free_iface_data(dev, ifcidx); 594 free(dev->ifaces, M_USB); 595 free(dev->cdesc, M_USB); 596 dev->ifaces = NULL; 597 dev->cdesc = NULL; 598 dev->config = USB_UNCONFIG_NO; 599 } 600 601 if (index == USB_UNCONFIG_INDEX) { 602 /* We are unconfiguring the device, so leave unallocated. */ 603 DPRINTF(("usbd_set_config_index: set config 0\n")); 604 err = usbd_set_config(dev, USB_UNCONFIG_NO); 605 if (err) { 606 DPRINTF(("usbd_set_config_index: setting config=0 " 607 "failed, error=%s\n", usbd_errstr(err))); 608 } 609 return (err); 610 } 611 612 /* Get the short descriptor. */ 613 err = usbd_get_config_desc(dev, index, &cd); 614 if (err) 615 return (err); 616 len = UGETW(cd.wTotalLength); 617 cdp = malloc(len, M_USB, M_NOWAIT); 618 if (cdp == NULL) 619 return (USBD_NOMEM); 620 621 /* Get the full descriptor. Try a few times for slow devices. */ 622 for (i = 0; i < 3; i++) { 623 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 624 if (!err) 625 break; 626 usbd_delay_ms(dev, 200); 627 } 628 if (err) 629 goto bad; 630 631 if (cdp->bDescriptorType != UDESC_CONFIG) { 632 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 633 cdp->bDescriptorType)); 634 err = USBD_INVAL; 635 goto bad; 636 } 637 638 /* 639 * Figure out if the device is self or bus powered. 640 */ 641 #if 0 /* XXX various devices don't report the power state correctly */ 642 selfpowered = 0; 643 err = usbd_get_device_status(dev, &ds); 644 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 645 selfpowered = 1; 646 #endif 647 /* 648 * Use the power state in the configuration we are going 649 * to set. This doesn't necessarily reflect the actual 650 * power state of the device; the driver can control this 651 * by choosing the appropriate configuration. 652 */ 653 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 654 655 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 656 "selfpowered=%d, power=%d\n", 657 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 658 selfpowered, cdp->bMaxPower * 2)); 659 660 /* Check if we have enough power. */ 661 #if 0 /* this is a no-op, see above */ 662 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 663 if (msg) 664 printf("%s: device addr %d (config %d): " 665 "can't set self powered configuration\n", 666 USBDEVNAME(dev->bus->bdev), dev->address, 667 cdp->bConfigurationValue); 668 err = USBD_NO_POWER; 669 goto bad; 670 } 671 #endif 672 #ifdef USB_DEBUG 673 if (dev->powersrc == NULL) { 674 DPRINTF(("usbd_set_config_index: No power source?\n")); 675 err = USBD_IOERROR; 676 goto bad; 677 } 678 #endif 679 power = cdp->bMaxPower * 2; 680 if (power > dev->powersrc->power) { 681 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 682 /* XXX print nicer message. */ 683 if (msg) 684 printf("%s: device addr %d (config %d) exceeds power " 685 "budget, %d mA > %d mA\n", 686 USBDEVNAME(dev->bus->bdev), dev->address, 687 cdp->bConfigurationValue, 688 power, dev->powersrc->power); 689 err = USBD_NO_POWER; 690 goto bad; 691 } 692 dev->power = power; 693 dev->self_powered = selfpowered; 694 695 /* Set the actual configuration value. */ 696 DPRINTF(("usbd_set_config_index: set config %d\n", 697 cdp->bConfigurationValue)); 698 err = usbd_set_config(dev, cdp->bConfigurationValue); 699 if (err) { 700 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 701 "error=%s\n", 702 cdp->bConfigurationValue, usbd_errstr(err))); 703 goto bad; 704 } 705 706 /* Allocate and fill interface data. */ 707 nifc = cdp->bNumInterface; 708 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 709 M_USB, M_NOWAIT); 710 if (dev->ifaces == NULL) { 711 err = USBD_NOMEM; 712 goto bad; 713 } 714 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 715 dev->cdesc = cdp; 716 dev->config = cdp->bConfigurationValue; 717 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 718 err = usbd_fill_iface_data(dev, ifcidx, 0); 719 if (err) { 720 while (--ifcidx >= 0) 721 usbd_free_iface_data(dev, ifcidx); 722 goto bad; 723 } 724 } 725 726 return (USBD_NORMAL_COMPLETION); 727 728 bad: 729 free(cdp, M_USB); 730 return (err); 731 } 732 733 /* XXX add function for alternate settings */ 734 735 usbd_status 736 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 737 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 738 { 739 usbd_pipe_handle p; 740 usbd_status err; 741 742 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 743 dev, iface, ep, pipe)); 744 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 745 if (p == NULL) 746 return (USBD_NOMEM); 747 p->device = dev; 748 p->iface = iface; 749 p->endpoint = ep; 750 ep->refcnt++; 751 p->refcnt = 1; 752 p->intrxfer = 0; 753 p->running = 0; 754 p->aborting = 0; 755 p->repeat = 0; 756 p->interval = ival; 757 SIMPLEQ_INIT(&p->queue); 758 err = dev->bus->methods->open_pipe(p); 759 if (err) { 760 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 761 "%s\n", 762 ep->edesc->bEndpointAddress, usbd_errstr(err))); 763 free(p, M_USB); 764 return (err); 765 } 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 struct usbif_attach_arg uiaa; 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.usegeneric = 0; 820 uaa.port = port; 821 uaa.vendor = UGETW(dd->idVendor); 822 uaa.product = UGETW(dd->idProduct); 823 uaa.release = UGETW(dd->bcdDevice); 824 uaa.class = dd->bDeviceClass; 825 uaa.subclass = dd->bDeviceSubClass; 826 uaa.proto = dd->bDeviceProtocol; 827 828 /* First try with device specific drivers. */ 829 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 830 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 831 if (dv) { 832 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 833 if (dev->subdevs == NULL) 834 return (USBD_NOMEM); 835 dev->subdevs[0] = dv; 836 dev->subdevs[1] = 0; 837 return (USBD_NORMAL_COMPLETION); 838 } 839 840 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 841 842 uiaa.device = dev; 843 uiaa.port = port; 844 uiaa.vendor = UGETW(dd->idVendor); 845 uiaa.product = UGETW(dd->idProduct); 846 uiaa.release = UGETW(dd->bcdDevice); 847 848 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 849 dd->bNumConfigurations)); 850 /* Next try with interface drivers. */ 851 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 852 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 853 confi)); 854 err = usbd_set_config_index(dev, confi, 1); 855 if (err) { 856 #ifdef USB_DEBUG 857 DPRINTF(("%s: port %d, set config at addr %d failed, " 858 "error=%s\n", USBDEVPTRNAME(parent), port, 859 addr, usbd_errstr(err))); 860 #else 861 printf("%s: port %d, set config at addr %d failed\n", 862 USBDEVPTRNAME(parent), port, addr); 863 #endif 864 #if defined(__FreeBSD__) 865 device_delete_child(parent, bdev); 866 #endif 867 868 return (err); 869 } 870 nifaces = dev->cdesc->bNumInterface; 871 uiaa.configno = dev->cdesc->bConfigurationValue; 872 ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT); 873 if (ifaces == NULL) 874 goto nomem; 875 for (i = 0; i < nifaces; i++) 876 ifaces[i] = &dev->ifaces[i]; 877 uiaa.ifaces = ifaces; 878 uiaa.nifaces = nifaces; 879 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 880 if (dev->subdevs == NULL) { 881 free(ifaces, M_USB); 882 nomem: 883 #if defined(__FreeBSD__) 884 device_delete_child(parent, bdev); 885 #endif 886 return (USBD_NOMEM); 887 } 888 889 found = 0; 890 for (i = 0; i < nifaces; i++) { 891 if (ifaces[i] == NULL) 892 continue; /* interface already claimed */ 893 uiaa.iface = ifaces[i]; 894 uiaa.class = ifaces[i]->idesc->bInterfaceClass; 895 uiaa.subclass = ifaces[i]->idesc->bInterfaceSubClass; 896 uiaa.proto = ifaces[i]->idesc->bInterfaceProtocol; 897 uiaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 898 dv = USB_DO_IFATTACH(dev, bdev, parent, &uiaa, usbd_ifprint, 899 usbd_ifsubmatch); 900 if (dv != NULL) { 901 dev->subdevs[found++] = dv; 902 dev->subdevs[found] = 0; 903 ifaces[i] = 0; /* consumed */ 904 905 #if defined(__FreeBSD__) 906 /* create another child for the next iface */ 907 bdev = device_add_child(parent, NULL, -1,&uaa); 908 if (!bdev) { 909 printf("%s: Device creation failed\n", 910 USBDEVNAME(dev->bus->bdev)); 911 free(ifaces, M_USB); 912 return (USBD_NORMAL_COMPLETION); 913 } 914 device_quiet(bdev); 915 #endif 916 } 917 } 918 if (found != 0) { 919 #if defined(__FreeBSD__) 920 /* remove the last created child again; it is unused */ 921 device_delete_child(parent, bdev); 922 #endif 923 free(ifaces, M_USB); 924 return (USBD_NORMAL_COMPLETION); 925 } 926 free(ifaces, M_USB); 927 free(dev->subdevs, M_USB); 928 dev->subdevs = 0; 929 } 930 /* No interfaces were attached in any of the configurations. */ 931 932 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 933 usbd_set_config_index(dev, 0, 0); 934 935 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 936 937 /* Finally try the generic driver. */ 938 uaa.usegeneric = 1; 939 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 940 if (dv != NULL) { 941 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 942 if (dev->subdevs == 0) 943 return (USBD_NOMEM); 944 dev->subdevs[0] = dv; 945 dev->subdevs[1] = 0; 946 return (USBD_NORMAL_COMPLETION); 947 } 948 949 /* 950 * The generic attach failed, but leave the device as it is. 951 * We just did not find any drivers, that's all. The device is 952 * fully operational and not harming anyone. 953 */ 954 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 955 #if defined(__FreeBSD__) 956 device_delete_child(parent, bdev); 957 #endif 958 return (USBD_NORMAL_COMPLETION); 959 } 960 961 962 /* 963 * Called when a new device has been put in the powered state, 964 * but not yet in the addressed state. 965 * Get initial descriptor, set the address, get full descriptor, 966 * and attach a driver. 967 */ 968 usbd_status 969 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 970 int speed, int port, struct usbd_port *up) 971 { 972 usbd_device_handle dev, adev; 973 struct usbd_device *hub; 974 usb_device_descriptor_t *dd; 975 usb_port_status_t ps; 976 usbd_status err; 977 int addr; 978 int i; 979 int p; 980 981 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 982 bus, port, depth, speed)); 983 addr = usbd_getnewaddr(bus); 984 if (addr < 0) { 985 printf("%s: No free USB addresses, new device ignored.\n", 986 USBDEVNAME(bus->bdev)); 987 return (USBD_NO_ADDR); 988 } 989 990 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 991 if (dev == NULL) 992 return (USBD_NOMEM); 993 994 dev->bus = bus; 995 996 /* Set up default endpoint handle. */ 997 dev->def_ep.edesc = &dev->def_ep_desc; 998 999 /* Set up default endpoint descriptor. */ 1000 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1001 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1002 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1003 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1004 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1005 dev->def_ep_desc.bInterval = 0; 1006 1007 dev->quirks = &usbd_no_quirk; 1008 dev->address = USB_START_ADDR; 1009 dev->ddesc.bMaxPacketSize = 0; 1010 dev->depth = depth; 1011 dev->powersrc = up; 1012 dev->myhub = up->parent; 1013 1014 up->device = dev; 1015 1016 /* Locate port on upstream high speed hub */ 1017 for (adev = dev, hub = up->parent; 1018 hub != NULL && hub->speed != USB_SPEED_HIGH; 1019 adev = hub, hub = hub->myhub) 1020 ; 1021 if (hub) { 1022 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 1023 if (hub->hub->ports[p].device == adev) { 1024 dev->myhsport = &hub->hub->ports[p]; 1025 goto found; 1026 } 1027 } 1028 panic("usbd_new_device: cannot find HS port\n"); 1029 found: 1030 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 1031 } else { 1032 dev->myhsport = NULL; 1033 } 1034 dev->speed = speed; 1035 dev->langid = USBD_NOLANG; 1036 dev->cookie.cookie = ++usb_cookie_no; 1037 1038 /* Establish the default pipe. */ 1039 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1040 &dev->default_pipe); 1041 if (err) { 1042 usbd_remove_device(dev, up); 1043 return (err); 1044 } 1045 1046 /* Set the address. Do this early; some devices need that. */ 1047 /* Try a few times in case the device is slow (i.e. outside specs) */ 1048 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1049 for (i = 0; i < 15; i++) { 1050 err = usbd_set_address(dev, addr); 1051 if (!err) 1052 break; 1053 usbd_delay_ms(dev, 200); 1054 if ((i & 3) == 3) { 1055 DPRINTFN(-1,("usbd_new_device: set address %d " 1056 "failed - trying a port reset\n", addr)); 1057 usbd_reset_port(up->parent, port, &ps); 1058 } 1059 } 1060 if (err) { 1061 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1062 err = USBD_SET_ADDR_FAILED; 1063 usbd_remove_device(dev, up); 1064 return (err); 1065 } 1066 /* Allow device time to set new address */ 1067 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1068 dev->address = addr; /* New device address now */ 1069 bus->devices[addr] = dev; 1070 1071 dd = &dev->ddesc; 1072 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1073 for (i = 0; i < 10; i++) { 1074 /* Get the first 8 bytes of the device descriptor. */ 1075 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1076 if (!err) 1077 break; 1078 usbd_delay_ms(dev, 200); 1079 if ((i & 3) == 3) 1080 usbd_reset_port(up->parent, port, &ps); 1081 } 1082 if (err) { 1083 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1084 "failed\n", addr)); 1085 usbd_remove_device(dev, up); 1086 return (err); 1087 } 1088 1089 if (speed == USB_SPEED_HIGH) { 1090 /* Max packet size must be 64 (sec 5.5.3). */ 1091 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1092 #ifdef DIAGNOSTIC 1093 printf("usbd_new_device: addr=%d bad max packet size\n", 1094 addr); 1095 #endif 1096 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1097 } 1098 } 1099 1100 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1101 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1102 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1103 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1104 dev->speed)); 1105 1106 if (dd->bDescriptorType != UDESC_DEVICE) { 1107 /* Illegal device descriptor */ 1108 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1109 dd->bDescriptorType)); 1110 usbd_remove_device(dev, up); 1111 return (USBD_INVAL); 1112 } 1113 1114 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1115 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1116 usbd_remove_device(dev, up); 1117 return (USBD_INVAL); 1118 } 1119 1120 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1121 1122 err = usbd_reload_device_desc(dev); 1123 if (err) { 1124 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1125 "failed\n", addr)); 1126 usbd_remove_device(dev, up); 1127 return (err); 1128 } 1129 1130 /* Assume 100mA bus powered for now. Changed when configured. */ 1131 dev->power = USB_MIN_POWER; 1132 dev->self_powered = 0; 1133 1134 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1135 addr, dev, parent)); 1136 1137 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1138 1139 err = usbd_probe_and_attach(parent, dev, port, addr); 1140 if (err) { 1141 usbd_remove_device(dev, up); 1142 return (err); 1143 } 1144 1145 return (USBD_NORMAL_COMPLETION); 1146 } 1147 1148 usbd_status 1149 usbd_reload_device_desc(usbd_device_handle dev) 1150 { 1151 usbd_status err; 1152 1153 /* Get the full device descriptor. */ 1154 err = usbd_get_device_desc(dev, &dev->ddesc); 1155 if (err) 1156 return (err); 1157 1158 /* Figure out what's wrong with this device. */ 1159 dev->quirks = usbd_find_quirk(&dev->ddesc); 1160 1161 return (USBD_NORMAL_COMPLETION); 1162 } 1163 1164 void 1165 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1166 { 1167 DPRINTF(("usbd_remove_device: %p\n", dev)); 1168 1169 if (dev->default_pipe != NULL) 1170 usbd_kill_pipe(dev->default_pipe); 1171 up->device = NULL; 1172 dev->bus->devices[dev->address] = NULL; 1173 1174 free(dev, M_USB); 1175 } 1176 1177 #if defined(__NetBSD__) || defined(__OpenBSD__) 1178 int 1179 usbd_print(void *aux, const char *pnp) 1180 { 1181 struct usb_attach_arg *uaa = aux; 1182 1183 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1184 if (pnp) { 1185 #define USB_DEVINFO 1024 1186 char *devinfo; 1187 if (!uaa->usegeneric) 1188 return (QUIET); 1189 devinfo = malloc(USB_DEVINFO, M_TEMP, M_WAITOK); 1190 usbd_devinfo(uaa->device, 1, devinfo, USB_DEVINFO); 1191 aprint_normal("%s, %s", devinfo, pnp); 1192 free(devinfo, M_TEMP); 1193 } 1194 if (uaa->port != 0) 1195 aprint_normal(" port %d", uaa->port); 1196 #if 0 1197 /* 1198 * It gets very crowded with these locators on the attach line. 1199 * They are not really needed since they are printed in the clear 1200 * by each driver. 1201 */ 1202 if (uaa->vendor != UHUB_UNK_VENDOR) 1203 aprint_normal(" vendor 0x%04x", uaa->vendor); 1204 if (uaa->product != UHUB_UNK_PRODUCT) 1205 aprint_normal(" product 0x%04x", uaa->product); 1206 if (uaa->release != UHUB_UNK_RELEASE) 1207 aprint_normal(" release 0x%04x", uaa->release); 1208 #endif 1209 return (UNCONF); 1210 } 1211 1212 int 1213 usbd_ifprint(void *aux, const char *pnp) 1214 { 1215 struct usbif_attach_arg *uaa = aux; 1216 1217 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1218 if (pnp) 1219 return (QUIET); 1220 if (uaa->port != 0) 1221 aprint_normal(" port %d", uaa->port); 1222 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1223 aprint_normal(" configuration %d", uaa->configno); 1224 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1225 aprint_normal(" interface %d", uaa->ifaceno); 1226 #if 0 1227 /* 1228 * It gets very crowded with these locators on the attach line. 1229 * They are not really needed since they are printed in the clear 1230 * by each driver. 1231 */ 1232 if (uaa->vendor != UHUB_UNK_VENDOR) 1233 aprint_normal(" vendor 0x%04x", uaa->vendor); 1234 if (uaa->product != UHUB_UNK_PRODUCT) 1235 aprint_normal(" product 0x%04x", uaa->product); 1236 if (uaa->release != UHUB_UNK_RELEASE) 1237 aprint_normal(" release 0x%04x", uaa->release); 1238 #endif 1239 return (UNCONF); 1240 } 1241 1242 #if defined(__NetBSD__) 1243 int 1244 usbd_submatch(struct device *parent, struct cfdata *cf, 1245 const int *ldesc, void *aux) 1246 { 1247 #elif defined(__OpenBSD__) 1248 int 1249 usbd_submatch(struct device *parent, void *match, void *aux) 1250 { 1251 struct cfdata *cf = match; 1252 #endif 1253 struct usb_attach_arg *uaa = aux; 1254 1255 DPRINTFN(5,("usbd_submatch port=%d,%d " 1256 "vendor=%d,%d product=%d,%d release=%d,%d\n", 1257 uaa->port, cf->uhubcf_port, 1258 uaa->vendor, cf->uhubcf_vendor, 1259 uaa->product, cf->uhubcf_product, 1260 uaa->release, cf->uhubcf_release)); 1261 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1262 ((cf->uhubcf_port != UHUB_UNK_PORT && 1263 cf->uhubcf_port != uaa->port) || 1264 (uaa->vendor != UHUB_UNK_VENDOR && 1265 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1266 cf->uhubcf_vendor != uaa->vendor) || 1267 (uaa->product != UHUB_UNK_PRODUCT && 1268 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1269 cf->uhubcf_product != uaa->product) || 1270 (uaa->release != UHUB_UNK_RELEASE && 1271 cf->uhubcf_release != UHUB_UNK_RELEASE && 1272 cf->uhubcf_release != uaa->release) 1273 ) 1274 ) 1275 return 0; 1276 return (config_match(parent, cf, aux)); 1277 } 1278 1279 int 1280 usbd_ifsubmatch(struct device *parent, struct cfdata *cf, 1281 const int *ldesc, void *aux) 1282 { 1283 struct usbif_attach_arg *uaa = aux; 1284 1285 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1286 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1287 uaa->port, cf->uhubcf_port, 1288 uaa->configno, cf->uhubcf_configuration, 1289 uaa->ifaceno, cf->uhubcf_interface, 1290 uaa->vendor, cf->uhubcf_vendor, 1291 uaa->product, cf->uhubcf_product, 1292 uaa->release, cf->uhubcf_release)); 1293 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1294 ((cf->uhubcf_port != UHUB_UNK_PORT && 1295 cf->uhubcf_port != uaa->port) || 1296 (uaa->configno != UHUB_UNK_CONFIGURATION && 1297 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1298 cf->uhubcf_configuration != uaa->configno) || 1299 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1300 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1301 cf->uhubcf_interface != uaa->ifaceno) || 1302 (uaa->vendor != UHUB_UNK_VENDOR && 1303 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1304 cf->uhubcf_vendor != uaa->vendor) || 1305 (uaa->product != UHUB_UNK_PRODUCT && 1306 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1307 cf->uhubcf_product != uaa->product) || 1308 (uaa->release != UHUB_UNK_RELEASE && 1309 cf->uhubcf_release != UHUB_UNK_RELEASE && 1310 cf->uhubcf_release != uaa->release) 1311 ) 1312 ) 1313 return 0; 1314 return (config_match(parent, cf, aux)); 1315 } 1316 1317 #endif 1318 1319 void 1320 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1321 int usedev) 1322 { 1323 struct usbd_port *p; 1324 int i, err, s; 1325 1326 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1327 di->udi_addr = dev->address; 1328 di->udi_cookie = dev->cookie; 1329 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 1); 1330 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1331 UGETW(dev->ddesc.bcdDevice)); 1332 di->udi_serial[0] = 0; 1333 if (usedev) 1334 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1335 di->udi_serial); 1336 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1337 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1338 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1339 di->udi_class = dev->ddesc.bDeviceClass; 1340 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1341 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1342 di->udi_config = dev->config; 1343 di->udi_power = dev->self_powered ? 0 : dev->power; 1344 di->udi_speed = dev->speed; 1345 1346 if (dev->subdevs != NULL) { 1347 for (i = 0; dev->subdevs[i] && 1348 i < USB_MAX_DEVNAMES; i++) { 1349 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1350 USB_MAX_DEVNAMELEN); 1351 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1352 } 1353 } else { 1354 i = 0; 1355 } 1356 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1357 di->udi_devnames[i][0] = 0; /* empty */ 1358 1359 if (dev->hub) { 1360 for (i = 0; 1361 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1362 i < dev->hub->hubdesc.bNbrPorts; 1363 i++) { 1364 p = &dev->hub->ports[i]; 1365 if (p->device) 1366 err = p->device->address; 1367 else { 1368 s = UGETW(p->status.wPortStatus); 1369 if (s & UPS_PORT_ENABLED) 1370 err = USB_PORT_ENABLED; 1371 else if (s & UPS_SUSPEND) 1372 err = USB_PORT_SUSPENDED; 1373 else if (s & UPS_PORT_POWER) 1374 err = USB_PORT_POWERED; 1375 else 1376 err = USB_PORT_DISABLED; 1377 } 1378 di->udi_ports[i] = err; 1379 } 1380 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1381 } else 1382 di->udi_nports = 0; 1383 } 1384 1385 #ifdef COMPAT_30 1386 void 1387 usbd_fill_deviceinfo_old(usbd_device_handle dev, struct usb_device_info_old *di, 1388 int usedev) 1389 { 1390 struct usbd_port *p; 1391 int i, err, s; 1392 1393 di->udi_bus = USBDEVUNIT(dev->bus->bdev); 1394 di->udi_addr = dev->address; 1395 di->udi_cookie = dev->cookie; 1396 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 0); 1397 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1398 UGETW(dev->ddesc.bcdDevice)); 1399 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1400 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1401 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1402 di->udi_class = dev->ddesc.bDeviceClass; 1403 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1404 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1405 di->udi_config = dev->config; 1406 di->udi_power = dev->self_powered ? 0 : dev->power; 1407 di->udi_speed = dev->speed; 1408 1409 if (dev->subdevs != NULL) { 1410 for (i = 0; dev->subdevs[i] && 1411 i < USB_MAX_DEVNAMES; i++) { 1412 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1413 USB_MAX_DEVNAMELEN); 1414 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1415 } 1416 } else { 1417 i = 0; 1418 } 1419 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1420 di->udi_devnames[i][0] = 0; /* empty */ 1421 1422 if (dev->hub) { 1423 for (i = 0; 1424 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1425 i < dev->hub->hubdesc.bNbrPorts; 1426 i++) { 1427 p = &dev->hub->ports[i]; 1428 if (p->device) 1429 err = p->device->address; 1430 else { 1431 s = UGETW(p->status.wPortStatus); 1432 if (s & UPS_PORT_ENABLED) 1433 err = USB_PORT_ENABLED; 1434 else if (s & UPS_SUSPEND) 1435 err = USB_PORT_SUSPENDED; 1436 else if (s & UPS_PORT_POWER) 1437 err = USB_PORT_POWERED; 1438 else 1439 err = USB_PORT_DISABLED; 1440 } 1441 di->udi_ports[i] = err; 1442 } 1443 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1444 } else 1445 di->udi_nports = 0; 1446 } 1447 #endif 1448 1449 1450 void 1451 usb_free_device(usbd_device_handle dev) 1452 { 1453 int ifcidx, nifc; 1454 1455 if (dev->default_pipe != NULL) 1456 usbd_kill_pipe(dev->default_pipe); 1457 if (dev->ifaces != NULL) { 1458 nifc = dev->cdesc->bNumInterface; 1459 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1460 usbd_free_iface_data(dev, ifcidx); 1461 free(dev->ifaces, M_USB); 1462 } 1463 if (dev->cdesc != NULL) 1464 free(dev->cdesc, M_USB); 1465 if (dev->subdevs != NULL) 1466 free(dev->subdevs, M_USB); 1467 free(dev, M_USB); 1468 } 1469 1470 /* 1471 * The general mechanism for detaching drivers works as follows: Each 1472 * driver is responsible for maintaining a reference count on the 1473 * number of outstanding references to its softc (e.g. from 1474 * processing hanging in a read or write). The detach method of the 1475 * driver decrements this counter and flags in the softc that the 1476 * driver is dying and then wakes any sleepers. It then sleeps on the 1477 * softc. Each place that can sleep must maintain the reference 1478 * count. When the reference count drops to -1 (0 is the normal value 1479 * of the reference count) the a wakeup on the softc is performed 1480 * signaling to the detach waiter that all references are gone. 1481 */ 1482 1483 /* 1484 * Called from process context when we discover that a port has 1485 * been disconnected. 1486 */ 1487 void 1488 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1489 { 1490 usbd_device_handle dev = up->device; 1491 char *hubname = USBDEVPTRNAME(parent); 1492 int i; 1493 1494 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1495 up, dev, up->portno)); 1496 1497 #ifdef DIAGNOSTIC 1498 if (dev == NULL) { 1499 printf("usb_disconnect_port: no device\n"); 1500 return; 1501 } 1502 #endif 1503 1504 if (dev->subdevs != NULL) { 1505 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1506 for (i = 0; dev->subdevs[i]; i++) { 1507 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1508 hubname); 1509 if (up->portno != 0) 1510 printf(" port %d", up->portno); 1511 printf(" (addr %d) disconnected\n", dev->address); 1512 config_detach(dev->subdevs[i], DETACH_FORCE); 1513 dev->subdevs[i] = 0; 1514 } 1515 } 1516 1517 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1518 dev->bus->devices[dev->address] = NULL; 1519 up->device = NULL; 1520 usb_free_device(dev); 1521 } 1522 1523 #ifdef __OpenBSD__ 1524 void *usb_realloc(void *p, u_int size, int pool, int flags) 1525 { 1526 void *q; 1527 1528 q = malloc(size, pool, flags); 1529 if (q == NULL) 1530 return (NULL); 1531 bcopy(p, q, size); 1532 free(p, pool); 1533 return (q); 1534 } 1535 #endif 1536