1 /* $NetBSD: usb_subr.c,v 1.160 2008/07/28 15:22:01 drochner 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 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.160 2008/07/28 15:22:01 drochner Exp $"); 36 37 #include "opt_compat_netbsd.h" 38 #include "opt_usbverbose.h" 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/device.h> 45 #include <sys/select.h> 46 #include <sys/proc.h> 47 48 #include <sys/bus.h> 49 50 #include <dev/usb/usb.h> 51 52 #include <dev/usb/usbdi.h> 53 #include <dev/usb/usbdi_util.h> 54 #include <dev/usb/usbdivar.h> 55 #include <dev/usb/usbdevs.h> 56 #include <dev/usb/usb_quirks.h> 57 58 #include "locators.h" 59 60 #ifdef USB_DEBUG 61 #define DPRINTF(x) if (usbdebug) logprintf x 62 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 63 extern int usbdebug; 64 #else 65 #define DPRINTF(x) 66 #define DPRINTFN(n,x) 67 #endif 68 69 Static usbd_status usbd_set_config(usbd_device_handle, int); 70 Static void usbd_devinfo(usbd_device_handle, int, char *, size_t); 71 Static void usbd_devinfo_vp(usbd_device_handle dev, 72 char *v, 73 char *p, int usedev, 74 int useencoded ); 75 Static int usbd_getnewaddr(usbd_bus_handle bus); 76 Static int usbd_print(void *, const char *); 77 Static int usbd_ifprint(void *, const char *); 78 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 79 Static void usbd_kill_pipe(usbd_pipe_handle); 80 usbd_status usbd_attach_roothub(device_t, usbd_device_handle); 81 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 82 usbd_device_handle dev, int port, int addr); 83 84 Static u_int32_t usb_cookie_no = 0; 85 86 #ifdef USBVERBOSE 87 typedef u_int16_t usb_vendor_id_t; 88 typedef u_int16_t usb_product_id_t; 89 90 /* 91 * Descriptions of of known vendors and devices ("products"). 92 */ 93 struct usb_vendor { 94 usb_vendor_id_t vendor; 95 const char *vendorname; 96 }; 97 struct usb_product { 98 usb_vendor_id_t vendor; 99 usb_product_id_t product; 100 const char *productname; 101 }; 102 103 #include <dev/usb/usbdevs_data.h> 104 #endif /* USBVERBOSE */ 105 106 Static const char * const usbd_error_strs[] = { 107 "NORMAL_COMPLETION", 108 "IN_PROGRESS", 109 "PENDING_REQUESTS", 110 "NOT_STARTED", 111 "INVAL", 112 "NOMEM", 113 "CANCELLED", 114 "BAD_ADDRESS", 115 "IN_USE", 116 "NO_ADDR", 117 "SET_ADDR_FAILED", 118 "NO_POWER", 119 "TOO_DEEP", 120 "IOERROR", 121 "NOT_CONFIGURED", 122 "TIMEOUT", 123 "SHORT_XFER", 124 "STALLED", 125 "INTERRUPTED", 126 "XXX", 127 }; 128 129 const char * 130 usbd_errstr(usbd_status err) 131 { 132 static char buffer[5]; 133 134 if (err < USBD_ERROR_MAX) { 135 return usbd_error_strs[err]; 136 } else { 137 snprintf(buffer, sizeof buffer, "%d", err); 138 return buffer; 139 } 140 } 141 142 usbd_status 143 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 144 usb_string_descriptor_t *sdesc, int *sizep) 145 { 146 usb_device_request_t req; 147 usbd_status err; 148 int actlen; 149 150 req.bmRequestType = UT_READ_DEVICE; 151 req.bRequest = UR_GET_DESCRIPTOR; 152 USETW2(req.wValue, UDESC_STRING, sindex); 153 USETW(req.wIndex, langid); 154 USETW(req.wLength, 2); /* only size byte first */ 155 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 156 &actlen, USBD_DEFAULT_TIMEOUT); 157 if (err) 158 return (err); 159 160 if (actlen < 2) 161 return (USBD_SHORT_XFER); 162 163 USETW(req.wLength, sdesc->bLength); /* the whole string */ 164 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 165 &actlen, USBD_DEFAULT_TIMEOUT); 166 if (err) 167 return (err); 168 169 if (actlen != sdesc->bLength) { 170 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 171 sdesc->bLength, actlen)); 172 } 173 174 *sizep = actlen; 175 return (USBD_NORMAL_COMPLETION); 176 } 177 178 static void 179 usbd_trim_spaces(char *p) 180 { 181 char *q, *e; 182 183 q = e = p; 184 while (*q == ' ') /* skip leading spaces */ 185 q++; 186 while ((*p = *q++)) /* copy string */ 187 if (*p++ != ' ') /* remember last non-space */ 188 e = p; 189 *e = '\0'; /* kill trailing spaces */ 190 } 191 192 Static void 193 usbd_devinfo_vp(usbd_device_handle dev, char *v, 194 char *p, int usedev, int useencoded) 195 { 196 usb_device_descriptor_t *udd = &dev->ddesc; 197 #ifdef USBVERBOSE 198 int n; 199 #endif 200 201 v[0] = p[0] = '\0'; 202 if (dev == NULL) 203 return; 204 205 if (usedev) { 206 if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == 207 USBD_NORMAL_COMPLETION) 208 usbd_trim_spaces(v); 209 if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == 210 USBD_NORMAL_COMPLETION) 211 usbd_trim_spaces(p); 212 } 213 /* There is no need for strlcpy & snprintf below. */ 214 #ifdef USBVERBOSE 215 if (v[0] == '\0') 216 for (n = 0; n < usb_nvendors; n++) 217 if (usb_vendors[n].vendor == UGETW(udd->idVendor)) { 218 strcpy(v, usb_vendors[n].vendorname); 219 break; 220 } 221 if (p[0] == '\0') 222 for (n = 0; n < usb_nproducts; n++) 223 if (usb_products[n].vendor == UGETW(udd->idVendor) && 224 usb_products[n].product == UGETW(udd->idProduct)) { 225 strcpy(p, usb_products[n].productname); 226 break; 227 } 228 #endif 229 if (v[0] == '\0') 230 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 231 if (p[0] == '\0') 232 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 233 } 234 235 int 236 usbd_printBCD(char *cp, size_t l, int bcd) 237 { 238 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 239 } 240 241 Static void 242 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 243 { 244 usb_device_descriptor_t *udd = &dev->ddesc; 245 char *vendor, *product; 246 int bcdDevice, bcdUSB; 247 char *ep; 248 249 vendor = malloc(USB_MAX_ENCODED_STRING_LEN * 2, M_USB, M_NOWAIT); 250 if (vendor == NULL) { 251 *cp = '\0'; 252 return; 253 } 254 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 255 256 ep = cp + l; 257 258 usbd_devinfo_vp(dev, vendor, product, 1, 1); 259 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 260 if (showclass) 261 cp += snprintf(cp, ep - cp, ", class %d/%d", 262 udd->bDeviceClass, udd->bDeviceSubClass); 263 bcdUSB = UGETW(udd->bcdUSB); 264 bcdDevice = UGETW(udd->bcdDevice); 265 cp += snprintf(cp, ep - cp, ", rev "); 266 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 267 *cp++ = '/'; 268 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 269 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 270 *cp = 0; 271 free(vendor, M_USB); 272 } 273 274 char * 275 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 276 { 277 char *devinfop; 278 279 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 280 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 281 return devinfop; 282 } 283 284 void 285 usbd_devinfo_free(char *devinfop) 286 { 287 free(devinfop, M_TEMP); 288 } 289 290 /* Delay for a certain number of ms */ 291 void 292 usb_delay_ms(usbd_bus_handle bus, u_int ms) 293 { 294 /* Wait at least two clock ticks so we know the time has passed. */ 295 if (bus->use_polling || cold) 296 delay((ms+1) * 1000); 297 else 298 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 299 } 300 301 /* Delay given a device handle. */ 302 void 303 usbd_delay_ms(usbd_device_handle dev, u_int ms) 304 { 305 usb_delay_ms(dev->bus, ms); 306 } 307 308 usbd_status 309 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 310 { 311 usb_device_request_t req; 312 usbd_status err; 313 int n; 314 315 req.bmRequestType = UT_WRITE_CLASS_OTHER; 316 req.bRequest = UR_SET_FEATURE; 317 USETW(req.wValue, UHF_PORT_RESET); 318 USETW(req.wIndex, port); 319 USETW(req.wLength, 0); 320 err = usbd_do_request(dev, &req, 0); 321 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 322 port, usbd_errstr(err))); 323 if (err) 324 return (err); 325 n = 10; 326 do { 327 /* Wait for device to recover from reset. */ 328 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 329 err = usbd_get_port_status(dev, port, ps); 330 if (err) { 331 DPRINTF(("usbd_reset_port: get status failed %d\n", 332 err)); 333 return (err); 334 } 335 /* If the device disappeared, just give up. */ 336 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 337 return (USBD_NORMAL_COMPLETION); 338 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 339 if (n == 0) 340 return (USBD_TIMEOUT); 341 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 342 #ifdef USB_DEBUG 343 if (err) 344 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 345 err)); 346 #endif 347 348 /* Wait for the device to recover from reset. */ 349 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 350 return (err); 351 } 352 353 usb_interface_descriptor_t * 354 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 355 { 356 char *p = (char *)cd; 357 char *end = p + UGETW(cd->wTotalLength); 358 usb_interface_descriptor_t *d; 359 int curidx, lastidx, curaidx = 0; 360 361 for (curidx = lastidx = -1; p < end; ) { 362 d = (usb_interface_descriptor_t *)p; 363 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 364 "type=%d\n", 365 ifaceidx, curidx, altidx, curaidx, 366 d->bLength, d->bDescriptorType)); 367 if (d->bLength == 0) /* bad descriptor */ 368 break; 369 p += d->bLength; 370 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 371 if (d->bInterfaceNumber != lastidx) { 372 lastidx = d->bInterfaceNumber; 373 curidx++; 374 curaidx = 0; 375 } else 376 curaidx++; 377 if (ifaceidx == curidx && altidx == curaidx) 378 return (d); 379 } 380 } 381 return (NULL); 382 } 383 384 usb_endpoint_descriptor_t * 385 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 386 int endptidx) 387 { 388 char *p = (char *)cd; 389 char *end = p + UGETW(cd->wTotalLength); 390 usb_interface_descriptor_t *d; 391 usb_endpoint_descriptor_t *e; 392 int curidx; 393 394 d = usbd_find_idesc(cd, ifaceidx, altidx); 395 if (d == NULL) 396 return (NULL); 397 if (endptidx >= d->bNumEndpoints) /* quick exit */ 398 return (NULL); 399 400 curidx = -1; 401 for (p = (char *)d + d->bLength; p < end; ) { 402 e = (usb_endpoint_descriptor_t *)p; 403 if (e->bLength == 0) /* bad descriptor */ 404 break; 405 p += e->bLength; 406 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 407 return (NULL); 408 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 409 curidx++; 410 if (curidx == endptidx) 411 return (e); 412 } 413 } 414 return (NULL); 415 } 416 417 usbd_status 418 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 419 { 420 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 421 usb_interface_descriptor_t *idesc; 422 char *p, *end; 423 int endpt, nendpt; 424 425 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 426 ifaceidx, altidx)); 427 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 428 if (idesc == NULL) 429 return (USBD_INVAL); 430 ifc->device = dev; 431 ifc->idesc = idesc; 432 ifc->index = ifaceidx; 433 ifc->altindex = altidx; 434 nendpt = ifc->idesc->bNumEndpoints; 435 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 436 if (nendpt != 0) { 437 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 438 M_USB, M_NOWAIT); 439 if (ifc->endpoints == NULL) 440 return (USBD_NOMEM); 441 } else 442 ifc->endpoints = NULL; 443 ifc->priv = NULL; 444 p = (char *)ifc->idesc + ifc->idesc->bLength; 445 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 446 #define ed ((usb_endpoint_descriptor_t *)p) 447 for (endpt = 0; endpt < nendpt; endpt++) { 448 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 449 for (; p < end; p += ed->bLength) { 450 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 451 "len=%d type=%d\n", 452 p, end, ed->bLength, ed->bDescriptorType)); 453 if (p + ed->bLength <= end && ed->bLength != 0 && 454 ed->bDescriptorType == UDESC_ENDPOINT) 455 goto found; 456 if (ed->bLength == 0 || 457 ed->bDescriptorType == UDESC_INTERFACE) 458 break; 459 } 460 /* passed end, or bad desc */ 461 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 462 ed->bLength == 0 ? "0 length" : 463 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 464 "out of data"); 465 goto bad; 466 found: 467 ifc->endpoints[endpt].edesc = ed; 468 if (dev->speed == USB_SPEED_HIGH) { 469 u_int mps; 470 /* Control and bulk endpoints have max packet limits. */ 471 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 472 case UE_CONTROL: 473 mps = USB_2_MAX_CTRL_PACKET; 474 goto check; 475 case UE_BULK: 476 mps = USB_2_MAX_BULK_PACKET; 477 check: 478 if (UGETW(ed->wMaxPacketSize) != mps) { 479 USETW(ed->wMaxPacketSize, mps); 480 #ifdef DIAGNOSTIC 481 printf("usbd_fill_iface_data: bad max " 482 "packet size\n"); 483 #endif 484 } 485 break; 486 default: 487 break; 488 } 489 } 490 ifc->endpoints[endpt].refcnt = 0; 491 p += ed->bLength; 492 } 493 #undef ed 494 LIST_INIT(&ifc->pipes); 495 return (USBD_NORMAL_COMPLETION); 496 497 bad: 498 if (ifc->endpoints != NULL) { 499 free(ifc->endpoints, M_USB); 500 ifc->endpoints = NULL; 501 } 502 return (USBD_INVAL); 503 } 504 505 void 506 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 507 { 508 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 509 if (ifc->endpoints) 510 free(ifc->endpoints, M_USB); 511 } 512 513 Static usbd_status 514 usbd_set_config(usbd_device_handle dev, int conf) 515 { 516 usb_device_request_t req; 517 518 req.bmRequestType = UT_WRITE_DEVICE; 519 req.bRequest = UR_SET_CONFIG; 520 USETW(req.wValue, conf); 521 USETW(req.wIndex, 0); 522 USETW(req.wLength, 0); 523 return (usbd_do_request(dev, &req, 0)); 524 } 525 526 usbd_status 527 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 528 { 529 int index; 530 usb_config_descriptor_t cd; 531 usbd_status err; 532 533 if (no == USB_UNCONFIG_NO) 534 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 535 536 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 537 /* Figure out what config index to use. */ 538 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 539 err = usbd_get_config_desc(dev, index, &cd); 540 if (err) 541 return (err); 542 if (cd.bConfigurationValue == no) 543 return (usbd_set_config_index(dev, index, msg)); 544 } 545 return (USBD_INVAL); 546 } 547 548 usbd_status 549 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 550 { 551 usb_config_descriptor_t cd, *cdp; 552 usbd_status err; 553 int i, ifcidx, nifc, len, selfpowered, power; 554 555 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 556 557 if (index >= dev->ddesc.bNumConfigurations && 558 index != USB_UNCONFIG_NO) { 559 /* panic? */ 560 printf("usbd_set_config_index: illegal index\n"); 561 return (USBD_INVAL); 562 } 563 564 /* XXX check that all interfaces are idle */ 565 if (dev->config != USB_UNCONFIG_NO) { 566 DPRINTF(("usbd_set_config_index: free old config\n")); 567 /* Free all configuration data structures. */ 568 nifc = dev->cdesc->bNumInterface; 569 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 570 usbd_free_iface_data(dev, ifcidx); 571 free(dev->ifaces, M_USB); 572 free(dev->cdesc, M_USB); 573 dev->ifaces = NULL; 574 dev->cdesc = NULL; 575 dev->config = USB_UNCONFIG_NO; 576 } 577 578 if (index == USB_UNCONFIG_INDEX) { 579 /* We are unconfiguring the device, so leave unallocated. */ 580 DPRINTF(("usbd_set_config_index: set config 0\n")); 581 err = usbd_set_config(dev, USB_UNCONFIG_NO); 582 if (err) { 583 DPRINTF(("usbd_set_config_index: setting config=0 " 584 "failed, error=%s\n", usbd_errstr(err))); 585 } 586 return (err); 587 } 588 589 /* Get the short descriptor. */ 590 err = usbd_get_config_desc(dev, index, &cd); 591 if (err) 592 return (err); 593 len = UGETW(cd.wTotalLength); 594 cdp = malloc(len, M_USB, M_NOWAIT); 595 if (cdp == NULL) 596 return (USBD_NOMEM); 597 598 /* Get the full descriptor. Try a few times for slow devices. */ 599 for (i = 0; i < 3; i++) { 600 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 601 if (!err) 602 break; 603 usbd_delay_ms(dev, 200); 604 } 605 if (err) 606 goto bad; 607 608 if (cdp->bDescriptorType != UDESC_CONFIG) { 609 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 610 cdp->bDescriptorType)); 611 err = USBD_INVAL; 612 goto bad; 613 } 614 615 /* 616 * Figure out if the device is self or bus powered. 617 */ 618 #if 0 /* XXX various devices don't report the power state correctly */ 619 selfpowered = 0; 620 err = usbd_get_device_status(dev, &ds); 621 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 622 selfpowered = 1; 623 #endif 624 /* 625 * Use the power state in the configuration we are going 626 * to set. This doesn't necessarily reflect the actual 627 * power state of the device; the driver can control this 628 * by choosing the appropriate configuration. 629 */ 630 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 631 632 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 633 "selfpowered=%d, power=%d\n", 634 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 635 selfpowered, cdp->bMaxPower * 2)); 636 637 /* Check if we have enough power. */ 638 #if 0 /* this is a no-op, see above */ 639 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 640 if (msg) 641 printf("%s: device addr %d (config %d): " 642 "can't set self powered configuration\n", 643 USBDEVNAME(dev->bus->bdev), dev->address, 644 cdp->bConfigurationValue); 645 err = USBD_NO_POWER; 646 goto bad; 647 } 648 #endif 649 #ifdef USB_DEBUG 650 if (dev->powersrc == NULL) { 651 DPRINTF(("usbd_set_config_index: No power source?\n")); 652 err = USBD_IOERROR; 653 goto bad; 654 } 655 #endif 656 power = cdp->bMaxPower * 2; 657 if (power > dev->powersrc->power) { 658 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 659 /* XXX print nicer message. */ 660 if (msg) 661 printf("%s: device addr %d (config %d) exceeds power " 662 "budget, %d mA > %d mA\n", 663 device_xname(dev->bus->usbctl), dev->address, 664 cdp->bConfigurationValue, 665 power, dev->powersrc->power); 666 err = USBD_NO_POWER; 667 goto bad; 668 } 669 dev->power = power; 670 dev->self_powered = selfpowered; 671 672 /* Set the actual configuration value. */ 673 DPRINTF(("usbd_set_config_index: set config %d\n", 674 cdp->bConfigurationValue)); 675 err = usbd_set_config(dev, cdp->bConfigurationValue); 676 if (err) { 677 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 678 "error=%s\n", 679 cdp->bConfigurationValue, usbd_errstr(err))); 680 goto bad; 681 } 682 683 /* Allocate and fill interface data. */ 684 nifc = cdp->bNumInterface; 685 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 686 M_USB, M_NOWAIT); 687 if (dev->ifaces == NULL) { 688 err = USBD_NOMEM; 689 goto bad; 690 } 691 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 692 dev->cdesc = cdp; 693 dev->config = cdp->bConfigurationValue; 694 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 695 err = usbd_fill_iface_data(dev, ifcidx, 0); 696 if (err) { 697 while (--ifcidx >= 0) 698 usbd_free_iface_data(dev, ifcidx); 699 goto bad; 700 } 701 } 702 703 return (USBD_NORMAL_COMPLETION); 704 705 bad: 706 free(cdp, M_USB); 707 return (err); 708 } 709 710 /* XXX add function for alternate settings */ 711 712 usbd_status 713 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 714 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 715 { 716 usbd_pipe_handle p; 717 usbd_status err; 718 719 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 720 dev, iface, ep, pipe)); 721 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 722 if (p == NULL) 723 return (USBD_NOMEM); 724 p->device = dev; 725 p->iface = iface; 726 p->endpoint = ep; 727 ep->refcnt++; 728 p->refcnt = 1; 729 p->intrxfer = 0; 730 p->running = 0; 731 p->aborting = 0; 732 p->repeat = 0; 733 p->interval = ival; 734 SIMPLEQ_INIT(&p->queue); 735 err = dev->bus->methods->open_pipe(p); 736 if (err) { 737 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 738 "%s\n", 739 ep->edesc->bEndpointAddress, usbd_errstr(err))); 740 free(p, M_USB); 741 return (err); 742 } 743 *pipe = p; 744 return (USBD_NORMAL_COMPLETION); 745 } 746 747 /* Abort the device control pipe. */ 748 void 749 usbd_kill_pipe(usbd_pipe_handle pipe) 750 { 751 usbd_abort_pipe(pipe); 752 pipe->methods->close(pipe); 753 pipe->endpoint->refcnt--; 754 free(pipe, M_USB); 755 } 756 757 int 758 usbd_getnewaddr(usbd_bus_handle bus) 759 { 760 int addr; 761 762 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 763 if (bus->devices[addr] == 0) 764 return (addr); 765 return (-1); 766 } 767 768 usbd_status 769 usbd_attach_roothub(device_t parent, usbd_device_handle dev) 770 { 771 struct usb_attach_arg uaa; 772 usb_device_descriptor_t *dd = &dev->ddesc; 773 device_t dv; 774 775 uaa.device = dev; 776 uaa.usegeneric = 0; 777 uaa.port = 0; 778 uaa.vendor = UGETW(dd->idVendor); 779 uaa.product = UGETW(dd->idProduct); 780 uaa.release = UGETW(dd->bcdDevice); 781 uaa.class = dd->bDeviceClass; 782 uaa.subclass = dd->bDeviceSubClass; 783 uaa.proto = dd->bDeviceProtocol; 784 785 dv = config_found_ia(parent, "usbroothubif", &uaa, 0); 786 if (dv) { 787 dev->subdevs = malloc(sizeof dv, M_USB, M_NOWAIT); 788 if (dev->subdevs == NULL) 789 return (USBD_NOMEM); 790 dev->subdevs[0] = dv; 791 dev->subdevlen = 1; 792 } 793 return (USBD_NORMAL_COMPLETION); 794 } 795 796 static usbd_status 797 usbd_attachwholedevice(device_t parent, usbd_device_handle dev, int port, 798 int usegeneric) 799 { 800 struct usb_attach_arg uaa; 801 usb_device_descriptor_t *dd = &dev->ddesc; 802 device_t dv; 803 int dlocs[USBDEVIFCF_NLOCS]; 804 805 uaa.device = dev; 806 uaa.usegeneric = usegeneric; 807 uaa.port = port; 808 uaa.vendor = UGETW(dd->idVendor); 809 uaa.product = UGETW(dd->idProduct); 810 uaa.release = UGETW(dd->bcdDevice); 811 uaa.class = dd->bDeviceClass; 812 uaa.subclass = dd->bDeviceSubClass; 813 uaa.proto = dd->bDeviceProtocol; 814 815 dlocs[USBDEVIFCF_PORT] = uaa.port; 816 dlocs[USBDEVIFCF_VENDOR] = uaa.vendor; 817 dlocs[USBDEVIFCF_PRODUCT] = uaa.product; 818 dlocs[USBDEVIFCF_RELEASE] = uaa.release; 819 /* the rest is historical ballast */ 820 dlocs[USBDEVIFCF_CONFIGURATION] = -1; 821 dlocs[USBDEVIFCF_INTERFACE] = -1; 822 823 dv = config_found_sm_loc(parent, "usbdevif", dlocs, &uaa, usbd_print, 824 config_stdsubmatch); 825 if (dv) { 826 dev->subdevs = malloc(sizeof dv, M_USB, M_NOWAIT); 827 if (dev->subdevs == NULL) 828 return (USBD_NOMEM); 829 dev->subdevs[0] = dv; 830 dev->subdevlen = 1; 831 dev->nifaces_claimed = 1; /* XXX */ 832 } 833 return (USBD_NORMAL_COMPLETION); 834 } 835 836 static usbd_status 837 usbd_attachinterfaces(device_t parent, usbd_device_handle dev, int port) 838 { 839 struct usbif_attach_arg uiaa; 840 usb_device_descriptor_t *dd = &dev->ddesc; 841 int nifaces; 842 usbd_interface_handle *ifaces; 843 int i, j; 844 device_t dv; 845 int ilocs[USBIFIFCF_NLOCS]; 846 847 nifaces = dev->cdesc->bNumInterface; 848 ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT|M_ZERO); 849 if (!ifaces) 850 return (USBD_NOMEM); 851 for (i = 0; i < nifaces; i++) 852 if (!dev->subdevs[i]) 853 ifaces[i] = &dev->ifaces[i]; 854 855 uiaa.device = dev; 856 uiaa.port = port; 857 uiaa.vendor = UGETW(dd->idVendor); 858 uiaa.product = UGETW(dd->idProduct); 859 uiaa.release = UGETW(dd->bcdDevice); 860 uiaa.configno = dev->cdesc->bConfigurationValue; 861 uiaa.ifaces = ifaces; 862 uiaa.nifaces = nifaces; 863 ilocs[USBIFIFCF_PORT] = uiaa.port; 864 ilocs[USBIFIFCF_VENDOR] = uiaa.vendor; 865 ilocs[USBIFIFCF_PRODUCT] = uiaa.product; 866 ilocs[USBIFIFCF_RELEASE] = uiaa.release; 867 ilocs[USBIFIFCF_CONFIGURATION] = uiaa.configno; 868 869 for (i = 0; i < nifaces; i++) { 870 if (!ifaces[i]) 871 continue; /* interface already claimed */ 872 uiaa.iface = ifaces[i]; 873 uiaa.class = ifaces[i]->idesc->bInterfaceClass; 874 uiaa.subclass = ifaces[i]->idesc->bInterfaceSubClass; 875 uiaa.proto = ifaces[i]->idesc->bInterfaceProtocol; 876 uiaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 877 ilocs[USBIFIFCF_INTERFACE] = uiaa.ifaceno; 878 dv = config_found_sm_loc(parent, "usbifif", ilocs, &uiaa, 879 usbd_ifprint, config_stdsubmatch); 880 if (!dv) 881 continue; 882 ifaces[i] = 0; /* claim */ 883 /* account for ifaces claimed by the driver behind our back */ 884 for (j = 0; j < nifaces; j++) { 885 if (!ifaces[j] && !dev->subdevs[j]) { 886 dev->subdevs[j] = dv; 887 dev->nifaces_claimed++; 888 } 889 } 890 } 891 892 free(ifaces, M_USB); 893 return (USBD_NORMAL_COMPLETION); 894 } 895 896 usbd_status 897 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 898 int port, int addr) 899 { 900 usb_device_descriptor_t *dd = &dev->ddesc; 901 int confi, nifaces; 902 usbd_status err; 903 904 /* First try with device specific drivers. */ 905 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 906 err = usbd_attachwholedevice(parent, dev, port, 0); 907 if (dev->nifaces_claimed || err) 908 return (err); 909 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 910 911 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 912 dd->bNumConfigurations)); 913 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 914 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 915 confi)); 916 err = usbd_set_config_index(dev, confi, 1); 917 if (err) { 918 #ifdef USB_DEBUG 919 DPRINTF(("%s: port %d, set config at addr %d failed, " 920 "error=%s\n", USBDEVPTRNAME(parent), port, 921 addr, usbd_errstr(err))); 922 #else 923 printf("%s: port %d, set config at addr %d failed\n", 924 USBDEVPTRNAME(parent), port, addr); 925 #endif 926 return (err); 927 } 928 nifaces = dev->cdesc->bNumInterface; 929 dev->subdevs = malloc(nifaces * sizeof(device_t), M_USB, 930 M_NOWAIT|M_ZERO); 931 if (dev->subdevs == NULL) 932 return (USBD_NOMEM); 933 dev->subdevlen = nifaces; 934 935 err = usbd_attachinterfaces(parent, dev, port); 936 937 if (!dev->nifaces_claimed) { 938 free(dev->subdevs, M_USB); 939 dev->subdevs = 0; 940 dev->subdevlen = 0; 941 } 942 if (dev->nifaces_claimed || err) 943 return (err); 944 } 945 /* No interfaces were attached in any of the configurations. */ 946 947 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 948 usbd_set_config_index(dev, 0, 0); 949 950 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 951 952 /* Finally try the generic driver. */ 953 err = usbd_attachwholedevice(parent, dev, port, 1); 954 955 /* 956 * The generic attach failed, but leave the device as it is. 957 * We just did not find any drivers, that's all. The device is 958 * fully operational and not harming anyone. 959 */ 960 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 961 return (USBD_NORMAL_COMPLETION); 962 } 963 964 965 /* 966 * Called when a new device has been put in the powered state, 967 * but not yet in the addressed state. 968 * Get initial descriptor, set the address, get full descriptor, 969 * and attach a driver. 970 */ 971 usbd_status 972 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 973 int speed, int port, struct usbd_port *up) 974 { 975 usbd_device_handle dev, adev; 976 struct usbd_device *hub; 977 usb_device_descriptor_t *dd; 978 usb_port_status_t ps; 979 usbd_status err; 980 int addr; 981 int i; 982 int p; 983 984 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 985 bus, port, depth, speed)); 986 addr = usbd_getnewaddr(bus); 987 if (addr < 0) { 988 printf("%s: No free USB addresses, new device ignored.\n", 989 device_xname(bus->usbctl)); 990 return (USBD_NO_ADDR); 991 } 992 993 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 994 if (dev == NULL) 995 return (USBD_NOMEM); 996 997 dev->bus = bus; 998 999 /* Set up default endpoint handle. */ 1000 dev->def_ep.edesc = &dev->def_ep_desc; 1001 1002 /* Set up default endpoint descriptor. */ 1003 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1004 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 1005 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1006 dev->def_ep_desc.bmAttributes = UE_CONTROL; 1007 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 1008 dev->def_ep_desc.bInterval = 0; 1009 1010 dev->quirks = &usbd_no_quirk; 1011 dev->address = USB_START_ADDR; 1012 dev->ddesc.bMaxPacketSize = 0; 1013 dev->depth = depth; 1014 dev->powersrc = up; 1015 dev->myhub = up->parent; 1016 1017 up->device = dev; 1018 1019 /* Locate port on upstream high speed hub */ 1020 for (adev = dev, hub = up->parent; 1021 hub != NULL && hub->speed != USB_SPEED_HIGH; 1022 adev = hub, hub = hub->myhub) 1023 ; 1024 if (hub) { 1025 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 1026 if (hub->hub->ports[p].device == adev) { 1027 dev->myhsport = &hub->hub->ports[p]; 1028 goto found; 1029 } 1030 } 1031 panic("usbd_new_device: cannot find HS port\n"); 1032 found: 1033 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 1034 } else { 1035 dev->myhsport = NULL; 1036 } 1037 dev->speed = speed; 1038 dev->langid = USBD_NOLANG; 1039 dev->cookie.cookie = ++usb_cookie_no; 1040 1041 /* Establish the default pipe. */ 1042 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1043 &dev->default_pipe); 1044 if (err) { 1045 usbd_remove_device(dev, up); 1046 return (err); 1047 } 1048 1049 dd = &dev->ddesc; 1050 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1051 for (i = 0; i < 10; i++) { 1052 /* Get the first 8 bytes of the device descriptor. */ 1053 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1054 if (!err) 1055 break; 1056 usbd_delay_ms(dev, 200); 1057 if ((i & 3) == 3) 1058 usbd_reset_port(up->parent, port, &ps); 1059 } 1060 if (err) { 1061 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1062 "failed\n", addr)); 1063 usbd_remove_device(dev, up); 1064 return (err); 1065 } 1066 1067 if (speed == USB_SPEED_HIGH) { 1068 /* Max packet size must be 64 (sec 5.5.3). */ 1069 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1070 #ifdef DIAGNOSTIC 1071 printf("usbd_new_device: addr=%d bad max packet size\n", 1072 addr); 1073 #endif 1074 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1075 } 1076 } 1077 1078 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1079 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1080 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1081 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1082 dev->speed)); 1083 1084 if (dd->bDescriptorType != UDESC_DEVICE) { 1085 /* Illegal device descriptor */ 1086 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1087 dd->bDescriptorType)); 1088 usbd_remove_device(dev, up); 1089 return (USBD_INVAL); 1090 } 1091 1092 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1093 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1094 usbd_remove_device(dev, up); 1095 return (USBD_INVAL); 1096 } 1097 1098 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1099 1100 err = usbd_reload_device_desc(dev); 1101 if (err) { 1102 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1103 "failed\n", addr)); 1104 usbd_remove_device(dev, up); 1105 return (err); 1106 } 1107 1108 /* Set the address */ 1109 DPRINTFN(5, ("usbd_new_device: setting device address=%d\n", addr)); 1110 err = usbd_set_address(dev, addr); 1111 if (err) { 1112 DPRINTFN(-1, ("usbd_new_device: set address %d failed\n", addr)); 1113 err = USBD_SET_ADDR_FAILED; 1114 usbd_remove_device(dev, up); 1115 return err; 1116 } 1117 1118 /* Allow device time to set new address */ 1119 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1120 dev->address = addr; /* new device address now */ 1121 bus->devices[addr] = dev; 1122 1123 /* Re-establish the default pipe with the new address. */ 1124 usbd_kill_pipe(dev->default_pipe); 1125 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1126 &dev->default_pipe); 1127 if (err) { 1128 DPRINTFN(-1, ("usbd_new_device: setup default pipe failed\n")); 1129 usbd_remove_device(dev, up); 1130 return err; 1131 } 1132 1133 /* Assume 100mA bus powered for now. Changed when configured. */ 1134 dev->power = USB_MIN_POWER; 1135 dev->self_powered = 0; 1136 1137 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1138 addr, dev, parent)); 1139 1140 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1141 1142 if (port == 0) { /* root hub */ 1143 KASSERT(addr == 1); 1144 usbd_attach_roothub(parent, dev); 1145 return (USBD_NORMAL_COMPLETION); 1146 } 1147 1148 err = usbd_probe_and_attach(parent, dev, port, addr); 1149 if (err) { 1150 usbd_remove_device(dev, up); 1151 return (err); 1152 } 1153 1154 return (USBD_NORMAL_COMPLETION); 1155 } 1156 1157 usbd_status 1158 usbd_reload_device_desc(usbd_device_handle dev) 1159 { 1160 usbd_status err; 1161 1162 /* Get the full device descriptor. */ 1163 err = usbd_get_device_desc(dev, &dev->ddesc); 1164 if (err) 1165 return (err); 1166 1167 /* Figure out what's wrong with this device. */ 1168 dev->quirks = usbd_find_quirk(&dev->ddesc); 1169 1170 return (USBD_NORMAL_COMPLETION); 1171 } 1172 1173 void 1174 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1175 { 1176 DPRINTF(("usbd_remove_device: %p\n", dev)); 1177 1178 if (dev->default_pipe != NULL) 1179 usbd_kill_pipe(dev->default_pipe); 1180 up->device = NULL; 1181 dev->bus->devices[dev->address] = NULL; 1182 1183 free(dev, M_USB); 1184 } 1185 1186 int 1187 usbd_print(void *aux, const char *pnp) 1188 { 1189 struct usb_attach_arg *uaa = aux; 1190 1191 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1192 if (pnp) { 1193 #define USB_DEVINFO 1024 1194 char *devinfo; 1195 if (!uaa->usegeneric) 1196 return (QUIET); 1197 devinfo = malloc(USB_DEVINFO, M_TEMP, M_WAITOK); 1198 usbd_devinfo(uaa->device, 1, devinfo, USB_DEVINFO); 1199 aprint_normal("%s, %s", devinfo, pnp); 1200 free(devinfo, M_TEMP); 1201 } 1202 aprint_normal(" port %d", uaa->port); 1203 #if 0 1204 /* 1205 * It gets very crowded with these locators on the attach line. 1206 * They are not really needed since they are printed in the clear 1207 * by each driver. 1208 */ 1209 if (uaa->vendor != UHUB_UNK_VENDOR) 1210 aprint_normal(" vendor 0x%04x", uaa->vendor); 1211 if (uaa->product != UHUB_UNK_PRODUCT) 1212 aprint_normal(" product 0x%04x", uaa->product); 1213 if (uaa->release != UHUB_UNK_RELEASE) 1214 aprint_normal(" release 0x%04x", uaa->release); 1215 #endif 1216 return (UNCONF); 1217 } 1218 1219 int 1220 usbd_ifprint(void *aux, const char *pnp) 1221 { 1222 struct usbif_attach_arg *uaa = aux; 1223 1224 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1225 if (pnp) 1226 return (QUIET); 1227 aprint_normal(" port %d", uaa->port); 1228 aprint_normal(" configuration %d", uaa->configno); 1229 aprint_normal(" interface %d", uaa->ifaceno); 1230 #if 0 1231 /* 1232 * It gets very crowded with these locators on the attach line. 1233 * They are not really needed since they are printed in the clear 1234 * by each driver. 1235 */ 1236 if (uaa->vendor != UHUB_UNK_VENDOR) 1237 aprint_normal(" vendor 0x%04x", uaa->vendor); 1238 if (uaa->product != UHUB_UNK_PRODUCT) 1239 aprint_normal(" product 0x%04x", uaa->product); 1240 if (uaa->release != UHUB_UNK_RELEASE) 1241 aprint_normal(" release 0x%04x", uaa->release); 1242 #endif 1243 return (UNCONF); 1244 } 1245 1246 void 1247 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1248 int usedev) 1249 { 1250 struct usbd_port *p; 1251 int i, j, err, s; 1252 1253 di->udi_bus = device_unit(dev->bus->usbctl); 1254 di->udi_addr = dev->address; 1255 di->udi_cookie = dev->cookie; 1256 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 1); 1257 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1258 UGETW(dev->ddesc.bcdDevice)); 1259 di->udi_serial[0] = 0; 1260 if (usedev) 1261 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1262 di->udi_serial); 1263 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1264 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1265 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1266 di->udi_class = dev->ddesc.bDeviceClass; 1267 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1268 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1269 di->udi_config = dev->config; 1270 di->udi_power = dev->self_powered ? 0 : dev->power; 1271 di->udi_speed = dev->speed; 1272 1273 if (dev->subdevlen > 0) { 1274 for (i = 0, j = 0; i < dev->subdevlen && 1275 j < USB_MAX_DEVNAMES; i++) { 1276 if (!dev->subdevs[i]) 1277 continue; 1278 strncpy(di->udi_devnames[j], USBDEVPTRNAME(dev->subdevs[i]), 1279 USB_MAX_DEVNAMELEN); 1280 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1281 j++; 1282 } 1283 } else { 1284 j = 0; 1285 } 1286 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1287 di->udi_devnames[j][0] = 0; /* empty */ 1288 1289 if (dev->hub) { 1290 for (i = 0; 1291 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1292 i < dev->hub->hubdesc.bNbrPorts; 1293 i++) { 1294 p = &dev->hub->ports[i]; 1295 if (p->device) 1296 err = p->device->address; 1297 else { 1298 s = UGETW(p->status.wPortStatus); 1299 if (s & UPS_PORT_ENABLED) 1300 err = USB_PORT_ENABLED; 1301 else if (s & UPS_SUSPEND) 1302 err = USB_PORT_SUSPENDED; 1303 else if (s & UPS_PORT_POWER) 1304 err = USB_PORT_POWERED; 1305 else 1306 err = USB_PORT_DISABLED; 1307 } 1308 di->udi_ports[i] = err; 1309 } 1310 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1311 } else 1312 di->udi_nports = 0; 1313 } 1314 1315 #ifdef COMPAT_30 1316 void 1317 usbd_fill_deviceinfo_old(usbd_device_handle dev, struct usb_device_info_old *di, 1318 int usedev) 1319 { 1320 struct usbd_port *p; 1321 int i, j, err, s; 1322 1323 di->udi_bus = device_unit(dev->bus->usbctl); 1324 di->udi_addr = dev->address; 1325 di->udi_cookie = dev->cookie; 1326 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 0); 1327 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1328 UGETW(dev->ddesc.bcdDevice)); 1329 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1330 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1331 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1332 di->udi_class = dev->ddesc.bDeviceClass; 1333 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1334 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1335 di->udi_config = dev->config; 1336 di->udi_power = dev->self_powered ? 0 : dev->power; 1337 di->udi_speed = dev->speed; 1338 1339 if (dev->subdevlen > 0) { 1340 for (i = 0, j = 0; i < dev->subdevlen && 1341 j < USB_MAX_DEVNAMES; i++) { 1342 if (!dev->subdevs[i]) 1343 continue; 1344 strncpy(di->udi_devnames[j], USBDEVPTRNAME(dev->subdevs[i]), 1345 USB_MAX_DEVNAMELEN); 1346 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1347 j++; 1348 } 1349 } else { 1350 j = 0; 1351 } 1352 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1353 di->udi_devnames[j][0] = 0; /* empty */ 1354 1355 if (dev->hub) { 1356 for (i = 0; 1357 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1358 i < dev->hub->hubdesc.bNbrPorts; 1359 i++) { 1360 p = &dev->hub->ports[i]; 1361 if (p->device) 1362 err = p->device->address; 1363 else { 1364 s = UGETW(p->status.wPortStatus); 1365 if (s & UPS_PORT_ENABLED) 1366 err = USB_PORT_ENABLED; 1367 else if (s & UPS_SUSPEND) 1368 err = USB_PORT_SUSPENDED; 1369 else if (s & UPS_PORT_POWER) 1370 err = USB_PORT_POWERED; 1371 else 1372 err = USB_PORT_DISABLED; 1373 } 1374 di->udi_ports[i] = err; 1375 } 1376 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1377 } else 1378 di->udi_nports = 0; 1379 } 1380 #endif 1381 1382 1383 void 1384 usb_free_device(usbd_device_handle dev) 1385 { 1386 int ifcidx, nifc; 1387 1388 if (dev->default_pipe != NULL) 1389 usbd_kill_pipe(dev->default_pipe); 1390 if (dev->ifaces != NULL) { 1391 nifc = dev->cdesc->bNumInterface; 1392 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1393 usbd_free_iface_data(dev, ifcidx); 1394 free(dev->ifaces, M_USB); 1395 } 1396 if (dev->cdesc != NULL) 1397 free(dev->cdesc, M_USB); 1398 if (dev->subdevlen > 0) { 1399 free(dev->subdevs, M_USB); 1400 dev->subdevlen = 0; 1401 } 1402 free(dev, M_USB); 1403 } 1404 1405 /* 1406 * The general mechanism for detaching drivers works as follows: Each 1407 * driver is responsible for maintaining a reference count on the 1408 * number of outstanding references to its softc (e.g. from 1409 * processing hanging in a read or write). The detach method of the 1410 * driver decrements this counter and flags in the softc that the 1411 * driver is dying and then wakes any sleepers. It then sleeps on the 1412 * softc. Each place that can sleep must maintain the reference 1413 * count. When the reference count drops to -1 (0 is the normal value 1414 * of the reference count) the a wakeup on the softc is performed 1415 * signaling to the detach waiter that all references are gone. 1416 */ 1417 1418 /* 1419 * Called from process context when we discover that a port has 1420 * been disconnected. 1421 */ 1422 void 1423 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1424 { 1425 usbd_device_handle dev = up->device; 1426 const char *hubname = USBDEVPTRNAME(parent); 1427 int i; 1428 1429 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1430 up, dev, up->portno)); 1431 1432 #ifdef DIAGNOSTIC 1433 if (dev == NULL) { 1434 printf("usb_disconnect_port: no device\n"); 1435 return; 1436 } 1437 #endif 1438 1439 if (dev->subdevlen > 0) { 1440 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1441 for (i = 0; i < dev->subdevlen; i++) { 1442 if (!dev->subdevs[i]) 1443 continue; 1444 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1445 hubname); 1446 if (up->portno != 0) 1447 printf(" port %d", up->portno); 1448 printf(" (addr %d) disconnected\n", dev->address); 1449 config_detach(dev->subdevs[i], DETACH_FORCE); 1450 } 1451 KASSERT(!dev->nifaces_claimed); 1452 } 1453 1454 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1455 dev->bus->devices[dev->address] = NULL; 1456 up->device = NULL; 1457 usb_free_device(dev); 1458 } 1459