1 /* $NetBSD: usb_subr.c,v 1.157 2008/05/27 20:46:16 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 1.157 2008/05/27 20:46:16 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 #ifdef USB_DEBUG 59 #define DPRINTF(x) if (usbdebug) logprintf x 60 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 61 extern int usbdebug; 62 #else 63 #define DPRINTF(x) 64 #define DPRINTFN(n,x) 65 #endif 66 67 Static usbd_status usbd_set_config(usbd_device_handle, int); 68 Static void usbd_devinfo(usbd_device_handle, int, char *, size_t); 69 Static void usbd_devinfo_vp(usbd_device_handle dev, 70 char *v, 71 char *p, int usedev, 72 int useencoded ); 73 Static int usbd_getnewaddr(usbd_bus_handle bus); 74 Static int usbd_print(void *, const char *); 75 Static int usbd_ifprint(void *, const char *); 76 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 77 Static void usbd_kill_pipe(usbd_pipe_handle); 78 usbd_status usbd_attach_roothub(device_t, usbd_device_handle); 79 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 80 usbd_device_handle dev, int port, int addr); 81 82 Static u_int32_t usb_cookie_no = 0; 83 84 #ifdef USBVERBOSE 85 typedef u_int16_t usb_vendor_id_t; 86 typedef u_int16_t usb_product_id_t; 87 88 /* 89 * Descriptions of of known vendors and devices ("products"). 90 */ 91 struct usb_vendor { 92 usb_vendor_id_t vendor; 93 const char *vendorname; 94 }; 95 struct usb_product { 96 usb_vendor_id_t vendor; 97 usb_product_id_t product; 98 const char *productname; 99 }; 100 101 #include <dev/usb/usbdevs_data.h> 102 #endif /* USBVERBOSE */ 103 104 Static const char * const usbd_error_strs[] = { 105 "NORMAL_COMPLETION", 106 "IN_PROGRESS", 107 "PENDING_REQUESTS", 108 "NOT_STARTED", 109 "INVAL", 110 "NOMEM", 111 "CANCELLED", 112 "BAD_ADDRESS", 113 "IN_USE", 114 "NO_ADDR", 115 "SET_ADDR_FAILED", 116 "NO_POWER", 117 "TOO_DEEP", 118 "IOERROR", 119 "NOT_CONFIGURED", 120 "TIMEOUT", 121 "SHORT_XFER", 122 "STALLED", 123 "INTERRUPTED", 124 "XXX", 125 }; 126 127 const char * 128 usbd_errstr(usbd_status err) 129 { 130 static char buffer[5]; 131 132 if (err < USBD_ERROR_MAX) { 133 return usbd_error_strs[err]; 134 } else { 135 snprintf(buffer, sizeof buffer, "%d", err); 136 return buffer; 137 } 138 } 139 140 usbd_status 141 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 142 usb_string_descriptor_t *sdesc, int *sizep) 143 { 144 usb_device_request_t req; 145 usbd_status err; 146 int actlen; 147 148 req.bmRequestType = UT_READ_DEVICE; 149 req.bRequest = UR_GET_DESCRIPTOR; 150 USETW2(req.wValue, UDESC_STRING, sindex); 151 USETW(req.wIndex, langid); 152 USETW(req.wLength, 2); /* only size byte first */ 153 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 154 &actlen, USBD_DEFAULT_TIMEOUT); 155 if (err) 156 return (err); 157 158 if (actlen < 2) 159 return (USBD_SHORT_XFER); 160 161 USETW(req.wLength, sdesc->bLength); /* the whole string */ 162 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 163 &actlen, USBD_DEFAULT_TIMEOUT); 164 if (err) 165 return (err); 166 167 if (actlen != sdesc->bLength) { 168 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 169 sdesc->bLength, actlen)); 170 } 171 172 *sizep = actlen; 173 return (USBD_NORMAL_COMPLETION); 174 } 175 176 static void 177 usbd_trim_spaces(char *p) 178 { 179 char *q, *e; 180 181 q = e = p; 182 while (*q == ' ') /* skip leading spaces */ 183 q++; 184 while ((*p = *q++)) /* copy string */ 185 if (*p++ != ' ') /* remember last non-space */ 186 e = p; 187 *e = '\0'; /* kill trailing spaces */ 188 } 189 190 Static void 191 usbd_devinfo_vp(usbd_device_handle dev, char *v, 192 char *p, int usedev, int useencoded) 193 { 194 usb_device_descriptor_t *udd = &dev->ddesc; 195 #ifdef USBVERBOSE 196 int n; 197 #endif 198 199 v[0] = p[0] = '\0'; 200 if (dev == NULL) 201 return; 202 203 if (usedev) { 204 if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == 205 USBD_NORMAL_COMPLETION) 206 usbd_trim_spaces(v); 207 if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == 208 USBD_NORMAL_COMPLETION) 209 usbd_trim_spaces(p); 210 } 211 /* There is no need for strlcpy & snprintf below. */ 212 #ifdef USBVERBOSE 213 if (v[0] == '\0') 214 for (n = 0; n < usb_nvendors; n++) 215 if (usb_vendors[n].vendor == UGETW(udd->idVendor)) { 216 strcpy(v, usb_vendors[n].vendorname); 217 break; 218 } 219 if (p[0] == '\0') 220 for (n = 0; n < usb_nproducts; n++) 221 if (usb_products[n].vendor == UGETW(udd->idVendor) && 222 usb_products[n].product == UGETW(udd->idProduct)) { 223 strcpy(p, usb_products[n].productname); 224 break; 225 } 226 #endif 227 if (v[0] == '\0') 228 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 229 if (p[0] == '\0') 230 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 231 } 232 233 int 234 usbd_printBCD(char *cp, size_t l, int bcd) 235 { 236 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 237 } 238 239 Static void 240 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 241 { 242 usb_device_descriptor_t *udd = &dev->ddesc; 243 char *vendor, *product; 244 int bcdDevice, bcdUSB; 245 char *ep; 246 247 vendor = malloc(USB_MAX_ENCODED_STRING_LEN * 2, M_USB, M_NOWAIT); 248 if (vendor == NULL) { 249 *cp = '\0'; 250 return; 251 } 252 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 253 254 ep = cp + l; 255 256 usbd_devinfo_vp(dev, vendor, product, 1, 1); 257 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 258 if (showclass) 259 cp += snprintf(cp, ep - cp, ", class %d/%d", 260 udd->bDeviceClass, udd->bDeviceSubClass); 261 bcdUSB = UGETW(udd->bcdUSB); 262 bcdDevice = UGETW(udd->bcdDevice); 263 cp += snprintf(cp, ep - cp, ", rev "); 264 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 265 *cp++ = '/'; 266 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 267 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 268 *cp = 0; 269 free(vendor, M_USB); 270 } 271 272 char * 273 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 274 { 275 char *devinfop; 276 277 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 278 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 279 return devinfop; 280 } 281 282 void 283 usbd_devinfo_free(char *devinfop) 284 { 285 free(devinfop, M_TEMP); 286 } 287 288 /* Delay for a certain number of ms */ 289 void 290 usb_delay_ms(usbd_bus_handle bus, u_int ms) 291 { 292 /* Wait at least two clock ticks so we know the time has passed. */ 293 if (bus->use_polling || cold) 294 delay((ms+1) * 1000); 295 else 296 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 297 } 298 299 /* Delay given a device handle. */ 300 void 301 usbd_delay_ms(usbd_device_handle dev, u_int ms) 302 { 303 usb_delay_ms(dev->bus, ms); 304 } 305 306 usbd_status 307 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 308 { 309 usb_device_request_t req; 310 usbd_status err; 311 int n; 312 313 req.bmRequestType = UT_WRITE_CLASS_OTHER; 314 req.bRequest = UR_SET_FEATURE; 315 USETW(req.wValue, UHF_PORT_RESET); 316 USETW(req.wIndex, port); 317 USETW(req.wLength, 0); 318 err = usbd_do_request(dev, &req, 0); 319 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 320 port, usbd_errstr(err))); 321 if (err) 322 return (err); 323 n = 10; 324 do { 325 /* Wait for device to recover from reset. */ 326 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 327 err = usbd_get_port_status(dev, port, ps); 328 if (err) { 329 DPRINTF(("usbd_reset_port: get status failed %d\n", 330 err)); 331 return (err); 332 } 333 /* If the device disappeared, just give up. */ 334 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 335 return (USBD_NORMAL_COMPLETION); 336 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 337 if (n == 0) 338 return (USBD_TIMEOUT); 339 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 340 #ifdef USB_DEBUG 341 if (err) 342 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 343 err)); 344 #endif 345 346 /* Wait for the device to recover from reset. */ 347 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 348 return (err); 349 } 350 351 usb_interface_descriptor_t * 352 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 353 { 354 char *p = (char *)cd; 355 char *end = p + UGETW(cd->wTotalLength); 356 usb_interface_descriptor_t *d; 357 int curidx, lastidx, curaidx = 0; 358 359 for (curidx = lastidx = -1; p < end; ) { 360 d = (usb_interface_descriptor_t *)p; 361 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 362 "type=%d\n", 363 ifaceidx, curidx, altidx, curaidx, 364 d->bLength, d->bDescriptorType)); 365 if (d->bLength == 0) /* bad descriptor */ 366 break; 367 p += d->bLength; 368 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 369 if (d->bInterfaceNumber != lastidx) { 370 lastidx = d->bInterfaceNumber; 371 curidx++; 372 curaidx = 0; 373 } else 374 curaidx++; 375 if (ifaceidx == curidx && altidx == curaidx) 376 return (d); 377 } 378 } 379 return (NULL); 380 } 381 382 usb_endpoint_descriptor_t * 383 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 384 int endptidx) 385 { 386 char *p = (char *)cd; 387 char *end = p + UGETW(cd->wTotalLength); 388 usb_interface_descriptor_t *d; 389 usb_endpoint_descriptor_t *e; 390 int curidx; 391 392 d = usbd_find_idesc(cd, ifaceidx, altidx); 393 if (d == NULL) 394 return (NULL); 395 if (endptidx >= d->bNumEndpoints) /* quick exit */ 396 return (NULL); 397 398 curidx = -1; 399 for (p = (char *)d + d->bLength; p < end; ) { 400 e = (usb_endpoint_descriptor_t *)p; 401 if (e->bLength == 0) /* bad descriptor */ 402 break; 403 p += e->bLength; 404 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 405 return (NULL); 406 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 407 curidx++; 408 if (curidx == endptidx) 409 return (e); 410 } 411 } 412 return (NULL); 413 } 414 415 usbd_status 416 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 417 { 418 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 419 usb_interface_descriptor_t *idesc; 420 char *p, *end; 421 int endpt, nendpt; 422 423 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 424 ifaceidx, altidx)); 425 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 426 if (idesc == NULL) 427 return (USBD_INVAL); 428 ifc->device = dev; 429 ifc->idesc = idesc; 430 ifc->index = ifaceidx; 431 ifc->altindex = altidx; 432 nendpt = ifc->idesc->bNumEndpoints; 433 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 434 if (nendpt != 0) { 435 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 436 M_USB, M_NOWAIT); 437 if (ifc->endpoints == NULL) 438 return (USBD_NOMEM); 439 } else 440 ifc->endpoints = NULL; 441 ifc->priv = NULL; 442 p = (char *)ifc->idesc + ifc->idesc->bLength; 443 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 444 #define ed ((usb_endpoint_descriptor_t *)p) 445 for (endpt = 0; endpt < nendpt; endpt++) { 446 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 447 for (; p < end; p += ed->bLength) { 448 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 449 "len=%d type=%d\n", 450 p, end, ed->bLength, ed->bDescriptorType)); 451 if (p + ed->bLength <= end && ed->bLength != 0 && 452 ed->bDescriptorType == UDESC_ENDPOINT) 453 goto found; 454 if (ed->bLength == 0 || 455 ed->bDescriptorType == UDESC_INTERFACE) 456 break; 457 } 458 /* passed end, or bad desc */ 459 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 460 ed->bLength == 0 ? "0 length" : 461 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 462 "out of data"); 463 goto bad; 464 found: 465 ifc->endpoints[endpt].edesc = ed; 466 if (dev->speed == USB_SPEED_HIGH) { 467 u_int mps; 468 /* Control and bulk endpoints have max packet limits. */ 469 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 470 case UE_CONTROL: 471 mps = USB_2_MAX_CTRL_PACKET; 472 goto check; 473 case UE_BULK: 474 mps = USB_2_MAX_BULK_PACKET; 475 check: 476 if (UGETW(ed->wMaxPacketSize) != mps) { 477 USETW(ed->wMaxPacketSize, mps); 478 #ifdef DIAGNOSTIC 479 printf("usbd_fill_iface_data: bad max " 480 "packet size\n"); 481 #endif 482 } 483 break; 484 default: 485 break; 486 } 487 } 488 ifc->endpoints[endpt].refcnt = 0; 489 p += ed->bLength; 490 } 491 #undef ed 492 LIST_INIT(&ifc->pipes); 493 return (USBD_NORMAL_COMPLETION); 494 495 bad: 496 if (ifc->endpoints != NULL) { 497 free(ifc->endpoints, M_USB); 498 ifc->endpoints = NULL; 499 } 500 return (USBD_INVAL); 501 } 502 503 void 504 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 505 { 506 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 507 if (ifc->endpoints) 508 free(ifc->endpoints, M_USB); 509 } 510 511 Static usbd_status 512 usbd_set_config(usbd_device_handle dev, int conf) 513 { 514 usb_device_request_t req; 515 516 req.bmRequestType = UT_WRITE_DEVICE; 517 req.bRequest = UR_SET_CONFIG; 518 USETW(req.wValue, conf); 519 USETW(req.wIndex, 0); 520 USETW(req.wLength, 0); 521 return (usbd_do_request(dev, &req, 0)); 522 } 523 524 usbd_status 525 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 526 { 527 int index; 528 usb_config_descriptor_t cd; 529 usbd_status err; 530 531 if (no == USB_UNCONFIG_NO) 532 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 533 534 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 535 /* Figure out what config index to use. */ 536 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 537 err = usbd_get_config_desc(dev, index, &cd); 538 if (err) 539 return (err); 540 if (cd.bConfigurationValue == no) 541 return (usbd_set_config_index(dev, index, msg)); 542 } 543 return (USBD_INVAL); 544 } 545 546 usbd_status 547 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 548 { 549 usb_config_descriptor_t cd, *cdp; 550 usbd_status err; 551 int i, ifcidx, nifc, len, selfpowered, power; 552 553 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 554 555 if (index >= dev->ddesc.bNumConfigurations && 556 index != USB_UNCONFIG_NO) { 557 /* panic? */ 558 printf("usbd_set_config_index: illegal index\n"); 559 return (USBD_INVAL); 560 } 561 562 /* XXX check that all interfaces are idle */ 563 if (dev->config != USB_UNCONFIG_NO) { 564 DPRINTF(("usbd_set_config_index: free old config\n")); 565 /* Free all configuration data structures. */ 566 nifc = dev->cdesc->bNumInterface; 567 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 568 usbd_free_iface_data(dev, ifcidx); 569 free(dev->ifaces, M_USB); 570 free(dev->cdesc, M_USB); 571 dev->ifaces = NULL; 572 dev->cdesc = NULL; 573 dev->config = USB_UNCONFIG_NO; 574 } 575 576 if (index == USB_UNCONFIG_INDEX) { 577 /* We are unconfiguring the device, so leave unallocated. */ 578 DPRINTF(("usbd_set_config_index: set config 0\n")); 579 err = usbd_set_config(dev, USB_UNCONFIG_NO); 580 if (err) { 581 DPRINTF(("usbd_set_config_index: setting config=0 " 582 "failed, error=%s\n", usbd_errstr(err))); 583 } 584 return (err); 585 } 586 587 /* Get the short descriptor. */ 588 err = usbd_get_config_desc(dev, index, &cd); 589 if (err) 590 return (err); 591 len = UGETW(cd.wTotalLength); 592 cdp = malloc(len, M_USB, M_NOWAIT); 593 if (cdp == NULL) 594 return (USBD_NOMEM); 595 596 /* Get the full descriptor. Try a few times for slow devices. */ 597 for (i = 0; i < 3; i++) { 598 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 599 if (!err) 600 break; 601 usbd_delay_ms(dev, 200); 602 } 603 if (err) 604 goto bad; 605 606 if (cdp->bDescriptorType != UDESC_CONFIG) { 607 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 608 cdp->bDescriptorType)); 609 err = USBD_INVAL; 610 goto bad; 611 } 612 613 /* 614 * Figure out if the device is self or bus powered. 615 */ 616 #if 0 /* XXX various devices don't report the power state correctly */ 617 selfpowered = 0; 618 err = usbd_get_device_status(dev, &ds); 619 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 620 selfpowered = 1; 621 #endif 622 /* 623 * Use the power state in the configuration we are going 624 * to set. This doesn't necessarily reflect the actual 625 * power state of the device; the driver can control this 626 * by choosing the appropriate configuration. 627 */ 628 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 629 630 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 631 "selfpowered=%d, power=%d\n", 632 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 633 selfpowered, cdp->bMaxPower * 2)); 634 635 /* Check if we have enough power. */ 636 #if 0 /* this is a no-op, see above */ 637 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 638 if (msg) 639 printf("%s: device addr %d (config %d): " 640 "can't set self powered configuration\n", 641 USBDEVNAME(dev->bus->bdev), dev->address, 642 cdp->bConfigurationValue); 643 err = USBD_NO_POWER; 644 goto bad; 645 } 646 #endif 647 #ifdef USB_DEBUG 648 if (dev->powersrc == NULL) { 649 DPRINTF(("usbd_set_config_index: No power source?\n")); 650 err = USBD_IOERROR; 651 goto bad; 652 } 653 #endif 654 power = cdp->bMaxPower * 2; 655 if (power > dev->powersrc->power) { 656 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 657 /* XXX print nicer message. */ 658 if (msg) 659 printf("%s: device addr %d (config %d) exceeds power " 660 "budget, %d mA > %d mA\n", 661 device_xname(dev->bus->usbctl), dev->address, 662 cdp->bConfigurationValue, 663 power, dev->powersrc->power); 664 err = USBD_NO_POWER; 665 goto bad; 666 } 667 dev->power = power; 668 dev->self_powered = selfpowered; 669 670 /* Set the actual configuration value. */ 671 DPRINTF(("usbd_set_config_index: set config %d\n", 672 cdp->bConfigurationValue)); 673 err = usbd_set_config(dev, cdp->bConfigurationValue); 674 if (err) { 675 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 676 "error=%s\n", 677 cdp->bConfigurationValue, usbd_errstr(err))); 678 goto bad; 679 } 680 681 /* Allocate and fill interface data. */ 682 nifc = cdp->bNumInterface; 683 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 684 M_USB, M_NOWAIT); 685 if (dev->ifaces == NULL) { 686 err = USBD_NOMEM; 687 goto bad; 688 } 689 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 690 dev->cdesc = cdp; 691 dev->config = cdp->bConfigurationValue; 692 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 693 err = usbd_fill_iface_data(dev, ifcidx, 0); 694 if (err) { 695 while (--ifcidx >= 0) 696 usbd_free_iface_data(dev, ifcidx); 697 goto bad; 698 } 699 } 700 701 return (USBD_NORMAL_COMPLETION); 702 703 bad: 704 free(cdp, M_USB); 705 return (err); 706 } 707 708 /* XXX add function for alternate settings */ 709 710 usbd_status 711 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 712 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 713 { 714 usbd_pipe_handle p; 715 usbd_status err; 716 717 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 718 dev, iface, ep, pipe)); 719 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 720 if (p == NULL) 721 return (USBD_NOMEM); 722 p->device = dev; 723 p->iface = iface; 724 p->endpoint = ep; 725 ep->refcnt++; 726 p->refcnt = 1; 727 p->intrxfer = 0; 728 p->running = 0; 729 p->aborting = 0; 730 p->repeat = 0; 731 p->interval = ival; 732 SIMPLEQ_INIT(&p->queue); 733 err = dev->bus->methods->open_pipe(p); 734 if (err) { 735 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 736 "%s\n", 737 ep->edesc->bEndpointAddress, usbd_errstr(err))); 738 free(p, M_USB); 739 return (err); 740 } 741 *pipe = p; 742 return (USBD_NORMAL_COMPLETION); 743 } 744 745 /* Abort the device control pipe. */ 746 void 747 usbd_kill_pipe(usbd_pipe_handle pipe) 748 { 749 usbd_abort_pipe(pipe); 750 pipe->methods->close(pipe); 751 pipe->endpoint->refcnt--; 752 free(pipe, M_USB); 753 } 754 755 int 756 usbd_getnewaddr(usbd_bus_handle bus) 757 { 758 int addr; 759 760 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 761 if (bus->devices[addr] == 0) 762 return (addr); 763 return (-1); 764 } 765 766 usbd_status 767 usbd_attach_roothub(device_t parent, usbd_device_handle dev) 768 { 769 struct usb_attach_arg uaa; 770 usb_device_descriptor_t *dd = &dev->ddesc; 771 device_t dv; 772 773 uaa.device = dev; 774 uaa.usegeneric = 0; 775 uaa.port = 0; 776 uaa.vendor = UGETW(dd->idVendor); 777 uaa.product = UGETW(dd->idProduct); 778 uaa.release = UGETW(dd->bcdDevice); 779 uaa.class = dd->bDeviceClass; 780 uaa.subclass = dd->bDeviceSubClass; 781 uaa.proto = dd->bDeviceProtocol; 782 783 dv = config_found_ia(parent, "usbroothubif", &uaa, 0); 784 if (dv) { 785 dev->subdevs = malloc(sizeof dv, M_USB, M_NOWAIT); 786 if (dev->subdevs == NULL) 787 return (USBD_NOMEM); 788 dev->subdevs[0] = dv; 789 dev->subdevlen = 1; 790 } 791 return (USBD_NORMAL_COMPLETION); 792 } 793 794 usbd_status 795 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 796 int port, int addr) 797 { 798 struct usb_attach_arg uaa; 799 struct usbif_attach_arg uiaa; 800 usb_device_descriptor_t *dd = &dev->ddesc; 801 int found, i, confi, nifaces; 802 usbd_status err; 803 device_ptr_t dv; 804 usbd_interface_handle *ifaces; 805 806 uaa.device = dev; 807 uaa.usegeneric = 0; 808 uaa.port = port; 809 uaa.vendor = UGETW(dd->idVendor); 810 uaa.product = UGETW(dd->idProduct); 811 uaa.release = UGETW(dd->bcdDevice); 812 uaa.class = dd->bDeviceClass; 813 uaa.subclass = dd->bDeviceSubClass; 814 uaa.proto = dd->bDeviceProtocol; 815 816 /* First try with device specific drivers. */ 817 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 818 dv = config_found_sm_loc(parent, "usbdevif", NULL, &uaa, usbd_print, 819 config_stdsubmatch); 820 if (dv) { 821 dev->subdevs = malloc(sizeof dv, M_USB, M_NOWAIT); 822 if (dev->subdevs == NULL) 823 return (USBD_NOMEM); 824 dev->subdevs[0] = dv; 825 dev->subdevlen = 1; 826 return (USBD_NORMAL_COMPLETION); 827 } 828 829 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 830 831 uiaa.device = dev; 832 uiaa.port = port; 833 uiaa.vendor = UGETW(dd->idVendor); 834 uiaa.product = UGETW(dd->idProduct); 835 uiaa.release = UGETW(dd->bcdDevice); 836 837 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 838 dd->bNumConfigurations)); 839 /* Next try with interface drivers. */ 840 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 841 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 842 confi)); 843 err = usbd_set_config_index(dev, confi, 1); 844 if (err) { 845 #ifdef USB_DEBUG 846 DPRINTF(("%s: port %d, set config at addr %d failed, " 847 "error=%s\n", USBDEVPTRNAME(parent), port, 848 addr, usbd_errstr(err))); 849 #else 850 printf("%s: port %d, set config at addr %d failed\n", 851 USBDEVPTRNAME(parent), port, addr); 852 #endif 853 return (err); 854 } 855 nifaces = dev->cdesc->bNumInterface; 856 uiaa.configno = dev->cdesc->bConfigurationValue; 857 ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT); 858 if (ifaces == NULL) 859 goto nomem; 860 for (i = 0; i < nifaces; i++) 861 ifaces[i] = &dev->ifaces[i]; 862 uiaa.ifaces = ifaces; 863 uiaa.nifaces = nifaces; 864 dev->subdevs = malloc(nifaces * sizeof dv, M_USB, 865 M_NOWAIT|M_ZERO); 866 if (dev->subdevs == NULL) { 867 free(ifaces, M_USB); 868 nomem: 869 return (USBD_NOMEM); 870 } 871 dev->subdevlen = nifaces; 872 873 found = 0; 874 for (i = 0; i < nifaces; i++) { 875 if (ifaces[i] == NULL) 876 continue; /* interface already claimed */ 877 uiaa.iface = ifaces[i]; 878 uiaa.class = ifaces[i]->idesc->bInterfaceClass; 879 uiaa.subclass = ifaces[i]->idesc->bInterfaceSubClass; 880 uiaa.proto = ifaces[i]->idesc->bInterfaceProtocol; 881 uiaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 882 dv = config_found_sm_loc(parent, "usbifif", NULL, &uiaa, 883 usbd_ifprint, config_stdsubmatch); 884 if (dv != NULL) { 885 found++; 886 dev->subdevs[i] = dv; 887 ifaces[i] = 0; /* consumed */ 888 } 889 } 890 if (found != 0) { 891 free(ifaces, M_USB); 892 return (USBD_NORMAL_COMPLETION); 893 } 894 free(ifaces, M_USB); 895 free(dev->subdevs, M_USB); 896 dev->subdevs = 0; 897 dev->subdevlen = 0; 898 } 899 /* No interfaces were attached in any of the configurations. */ 900 901 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 902 usbd_set_config_index(dev, 0, 0); 903 904 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 905 906 /* Finally try the generic driver. */ 907 uaa.usegeneric = 1; 908 dv = config_found_sm_loc(parent, "usbdevif", NULL, &uaa, usbd_print, 909 config_stdsubmatch); 910 if (dv != NULL) { 911 dev->subdevs = malloc(sizeof dv, M_USB, M_NOWAIT); 912 if (dev->subdevs == 0) 913 return (USBD_NOMEM); 914 dev->subdevs[0] = dv; 915 dev->subdevlen = 1; 916 return (USBD_NORMAL_COMPLETION); 917 } 918 919 /* 920 * The generic attach failed, but leave the device as it is. 921 * We just did not find any drivers, that's all. The device is 922 * fully operational and not harming anyone. 923 */ 924 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 925 return (USBD_NORMAL_COMPLETION); 926 } 927 928 929 /* 930 * Called when a new device has been put in the powered state, 931 * but not yet in the addressed state. 932 * Get initial descriptor, set the address, get full descriptor, 933 * and attach a driver. 934 */ 935 usbd_status 936 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 937 int speed, int port, struct usbd_port *up) 938 { 939 usbd_device_handle dev, adev; 940 struct usbd_device *hub; 941 usb_device_descriptor_t *dd; 942 usb_port_status_t ps; 943 usbd_status err; 944 int addr; 945 int i; 946 int p; 947 948 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 949 bus, port, depth, speed)); 950 addr = usbd_getnewaddr(bus); 951 if (addr < 0) { 952 printf("%s: No free USB addresses, new device ignored.\n", 953 device_xname(bus->usbctl)); 954 return (USBD_NO_ADDR); 955 } 956 957 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 958 if (dev == NULL) 959 return (USBD_NOMEM); 960 961 dev->bus = bus; 962 963 /* Set up default endpoint handle. */ 964 dev->def_ep.edesc = &dev->def_ep_desc; 965 966 /* Set up default endpoint descriptor. */ 967 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 968 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 969 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 970 dev->def_ep_desc.bmAttributes = UE_CONTROL; 971 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 972 dev->def_ep_desc.bInterval = 0; 973 974 dev->quirks = &usbd_no_quirk; 975 dev->address = USB_START_ADDR; 976 dev->ddesc.bMaxPacketSize = 0; 977 dev->depth = depth; 978 dev->powersrc = up; 979 dev->myhub = up->parent; 980 981 up->device = dev; 982 983 /* Locate port on upstream high speed hub */ 984 for (adev = dev, hub = up->parent; 985 hub != NULL && hub->speed != USB_SPEED_HIGH; 986 adev = hub, hub = hub->myhub) 987 ; 988 if (hub) { 989 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 990 if (hub->hub->ports[p].device == adev) { 991 dev->myhsport = &hub->hub->ports[p]; 992 goto found; 993 } 994 } 995 panic("usbd_new_device: cannot find HS port\n"); 996 found: 997 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 998 } else { 999 dev->myhsport = NULL; 1000 } 1001 dev->speed = speed; 1002 dev->langid = USBD_NOLANG; 1003 dev->cookie.cookie = ++usb_cookie_no; 1004 1005 /* Establish the default pipe. */ 1006 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1007 &dev->default_pipe); 1008 if (err) { 1009 usbd_remove_device(dev, up); 1010 return (err); 1011 } 1012 1013 /* Set the address. Do this early; some devices need that. */ 1014 /* Try a few times in case the device is slow (i.e. outside specs) */ 1015 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1016 for (i = 0; i < 15; i++) { 1017 err = usbd_set_address(dev, addr); 1018 if (!err) 1019 break; 1020 usbd_delay_ms(dev, 200); 1021 if ((i & 3) == 3) { 1022 DPRINTFN(-1,("usbd_new_device: set address %d " 1023 "failed - trying a port reset\n", addr)); 1024 usbd_reset_port(up->parent, port, &ps); 1025 } 1026 } 1027 if (err) { 1028 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1029 err = USBD_SET_ADDR_FAILED; 1030 usbd_remove_device(dev, up); 1031 return (err); 1032 } 1033 /* Allow device time to set new address */ 1034 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1035 dev->address = addr; /* New device address now */ 1036 bus->devices[addr] = dev; 1037 1038 dd = &dev->ddesc; 1039 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1040 for (i = 0; i < 10; i++) { 1041 /* Get the first 8 bytes of the device descriptor. */ 1042 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1043 if (!err) 1044 break; 1045 usbd_delay_ms(dev, 200); 1046 if ((i & 3) == 3) 1047 usbd_reset_port(up->parent, port, &ps); 1048 } 1049 if (err) { 1050 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1051 "failed\n", addr)); 1052 usbd_remove_device(dev, up); 1053 return (err); 1054 } 1055 1056 if (speed == USB_SPEED_HIGH) { 1057 /* Max packet size must be 64 (sec 5.5.3). */ 1058 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1059 #ifdef DIAGNOSTIC 1060 printf("usbd_new_device: addr=%d bad max packet size\n", 1061 addr); 1062 #endif 1063 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1064 } 1065 } 1066 1067 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1068 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1069 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1070 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1071 dev->speed)); 1072 1073 if (dd->bDescriptorType != UDESC_DEVICE) { 1074 /* Illegal device descriptor */ 1075 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1076 dd->bDescriptorType)); 1077 usbd_remove_device(dev, up); 1078 return (USBD_INVAL); 1079 } 1080 1081 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1082 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1083 usbd_remove_device(dev, up); 1084 return (USBD_INVAL); 1085 } 1086 1087 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1088 1089 err = usbd_reload_device_desc(dev); 1090 if (err) { 1091 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1092 "failed\n", addr)); 1093 usbd_remove_device(dev, up); 1094 return (err); 1095 } 1096 1097 /* Assume 100mA bus powered for now. Changed when configured. */ 1098 dev->power = USB_MIN_POWER; 1099 dev->self_powered = 0; 1100 1101 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1102 addr, dev, parent)); 1103 1104 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1105 1106 if (port == 0) { /* root hub */ 1107 KASSERT(addr == 1); 1108 usbd_attach_roothub(parent, dev); 1109 return (USBD_NORMAL_COMPLETION); 1110 } 1111 1112 err = usbd_probe_and_attach(parent, dev, port, addr); 1113 if (err) { 1114 usbd_remove_device(dev, up); 1115 return (err); 1116 } 1117 1118 return (USBD_NORMAL_COMPLETION); 1119 } 1120 1121 usbd_status 1122 usbd_reload_device_desc(usbd_device_handle dev) 1123 { 1124 usbd_status err; 1125 1126 /* Get the full device descriptor. */ 1127 err = usbd_get_device_desc(dev, &dev->ddesc); 1128 if (err) 1129 return (err); 1130 1131 /* Figure out what's wrong with this device. */ 1132 dev->quirks = usbd_find_quirk(&dev->ddesc); 1133 1134 return (USBD_NORMAL_COMPLETION); 1135 } 1136 1137 void 1138 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1139 { 1140 DPRINTF(("usbd_remove_device: %p\n", dev)); 1141 1142 if (dev->default_pipe != NULL) 1143 usbd_kill_pipe(dev->default_pipe); 1144 up->device = NULL; 1145 dev->bus->devices[dev->address] = NULL; 1146 1147 free(dev, M_USB); 1148 } 1149 1150 int 1151 usbd_print(void *aux, const char *pnp) 1152 { 1153 struct usb_attach_arg *uaa = aux; 1154 1155 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1156 if (pnp) { 1157 #define USB_DEVINFO 1024 1158 char *devinfo; 1159 if (!uaa->usegeneric) 1160 return (QUIET); 1161 devinfo = malloc(USB_DEVINFO, M_TEMP, M_WAITOK); 1162 usbd_devinfo(uaa->device, 1, devinfo, USB_DEVINFO); 1163 aprint_normal("%s, %s", devinfo, pnp); 1164 free(devinfo, M_TEMP); 1165 } 1166 aprint_normal(" port %d", uaa->port); 1167 #if 0 1168 /* 1169 * It gets very crowded with these locators on the attach line. 1170 * They are not really needed since they are printed in the clear 1171 * by each driver. 1172 */ 1173 if (uaa->vendor != UHUB_UNK_VENDOR) 1174 aprint_normal(" vendor 0x%04x", uaa->vendor); 1175 if (uaa->product != UHUB_UNK_PRODUCT) 1176 aprint_normal(" product 0x%04x", uaa->product); 1177 if (uaa->release != UHUB_UNK_RELEASE) 1178 aprint_normal(" release 0x%04x", uaa->release); 1179 #endif 1180 return (UNCONF); 1181 } 1182 1183 int 1184 usbd_ifprint(void *aux, const char *pnp) 1185 { 1186 struct usbif_attach_arg *uaa = aux; 1187 1188 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1189 if (pnp) 1190 return (QUIET); 1191 aprint_normal(" port %d", uaa->port); 1192 aprint_normal(" configuration %d", uaa->configno); 1193 aprint_normal(" interface %d", uaa->ifaceno); 1194 #if 0 1195 /* 1196 * It gets very crowded with these locators on the attach line. 1197 * They are not really needed since they are printed in the clear 1198 * by each driver. 1199 */ 1200 if (uaa->vendor != UHUB_UNK_VENDOR) 1201 aprint_normal(" vendor 0x%04x", uaa->vendor); 1202 if (uaa->product != UHUB_UNK_PRODUCT) 1203 aprint_normal(" product 0x%04x", uaa->product); 1204 if (uaa->release != UHUB_UNK_RELEASE) 1205 aprint_normal(" release 0x%04x", uaa->release); 1206 #endif 1207 return (UNCONF); 1208 } 1209 1210 void 1211 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1212 int usedev) 1213 { 1214 struct usbd_port *p; 1215 int i, j, err, s; 1216 1217 di->udi_bus = device_unit(dev->bus->usbctl); 1218 di->udi_addr = dev->address; 1219 di->udi_cookie = dev->cookie; 1220 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 1); 1221 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1222 UGETW(dev->ddesc.bcdDevice)); 1223 di->udi_serial[0] = 0; 1224 if (usedev) 1225 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1226 di->udi_serial); 1227 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1228 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1229 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1230 di->udi_class = dev->ddesc.bDeviceClass; 1231 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1232 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1233 di->udi_config = dev->config; 1234 di->udi_power = dev->self_powered ? 0 : dev->power; 1235 di->udi_speed = dev->speed; 1236 1237 if (dev->subdevlen > 0) { 1238 for (i = 0, j = 0; i < dev->subdevlen && 1239 j < USB_MAX_DEVNAMES; i++) { 1240 if (!dev->subdevs[i]) 1241 continue; 1242 strncpy(di->udi_devnames[j], USBDEVPTRNAME(dev->subdevs[i]), 1243 USB_MAX_DEVNAMELEN); 1244 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1245 j++; 1246 } 1247 } else { 1248 j = 0; 1249 } 1250 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1251 di->udi_devnames[j][0] = 0; /* empty */ 1252 1253 if (dev->hub) { 1254 for (i = 0; 1255 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1256 i < dev->hub->hubdesc.bNbrPorts; 1257 i++) { 1258 p = &dev->hub->ports[i]; 1259 if (p->device) 1260 err = p->device->address; 1261 else { 1262 s = UGETW(p->status.wPortStatus); 1263 if (s & UPS_PORT_ENABLED) 1264 err = USB_PORT_ENABLED; 1265 else if (s & UPS_SUSPEND) 1266 err = USB_PORT_SUSPENDED; 1267 else if (s & UPS_PORT_POWER) 1268 err = USB_PORT_POWERED; 1269 else 1270 err = USB_PORT_DISABLED; 1271 } 1272 di->udi_ports[i] = err; 1273 } 1274 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1275 } else 1276 di->udi_nports = 0; 1277 } 1278 1279 #ifdef COMPAT_30 1280 void 1281 usbd_fill_deviceinfo_old(usbd_device_handle dev, struct usb_device_info_old *di, 1282 int usedev) 1283 { 1284 struct usbd_port *p; 1285 int i, j, err, s; 1286 1287 di->udi_bus = device_unit(dev->bus->usbctl); 1288 di->udi_addr = dev->address; 1289 di->udi_cookie = dev->cookie; 1290 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 0); 1291 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1292 UGETW(dev->ddesc.bcdDevice)); 1293 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1294 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1295 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1296 di->udi_class = dev->ddesc.bDeviceClass; 1297 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1298 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1299 di->udi_config = dev->config; 1300 di->udi_power = dev->self_powered ? 0 : dev->power; 1301 di->udi_speed = dev->speed; 1302 1303 if (dev->subdevlen > 0) { 1304 for (i = 0, j = 0; i < dev->subdevlen && 1305 j < USB_MAX_DEVNAMES; i++) { 1306 if (!dev->subdevs[i]) 1307 continue; 1308 strncpy(di->udi_devnames[j], USBDEVPTRNAME(dev->subdevs[i]), 1309 USB_MAX_DEVNAMELEN); 1310 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1311 j++; 1312 } 1313 } else { 1314 j = 0; 1315 } 1316 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1317 di->udi_devnames[j][0] = 0; /* empty */ 1318 1319 if (dev->hub) { 1320 for (i = 0; 1321 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1322 i < dev->hub->hubdesc.bNbrPorts; 1323 i++) { 1324 p = &dev->hub->ports[i]; 1325 if (p->device) 1326 err = p->device->address; 1327 else { 1328 s = UGETW(p->status.wPortStatus); 1329 if (s & UPS_PORT_ENABLED) 1330 err = USB_PORT_ENABLED; 1331 else if (s & UPS_SUSPEND) 1332 err = USB_PORT_SUSPENDED; 1333 else if (s & UPS_PORT_POWER) 1334 err = USB_PORT_POWERED; 1335 else 1336 err = USB_PORT_DISABLED; 1337 } 1338 di->udi_ports[i] = err; 1339 } 1340 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1341 } else 1342 di->udi_nports = 0; 1343 } 1344 #endif 1345 1346 1347 void 1348 usb_free_device(usbd_device_handle dev) 1349 { 1350 int ifcidx, nifc; 1351 1352 if (dev->default_pipe != NULL) 1353 usbd_kill_pipe(dev->default_pipe); 1354 if (dev->ifaces != NULL) { 1355 nifc = dev->cdesc->bNumInterface; 1356 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1357 usbd_free_iface_data(dev, ifcidx); 1358 free(dev->ifaces, M_USB); 1359 } 1360 if (dev->cdesc != NULL) 1361 free(dev->cdesc, M_USB); 1362 if (dev->subdevlen > 0) { 1363 free(dev->subdevs, M_USB); 1364 dev->subdevlen = 0; 1365 } 1366 free(dev, M_USB); 1367 } 1368 1369 /* 1370 * The general mechanism for detaching drivers works as follows: Each 1371 * driver is responsible for maintaining a reference count on the 1372 * number of outstanding references to its softc (e.g. from 1373 * processing hanging in a read or write). The detach method of the 1374 * driver decrements this counter and flags in the softc that the 1375 * driver is dying and then wakes any sleepers. It then sleeps on the 1376 * softc. Each place that can sleep must maintain the reference 1377 * count. When the reference count drops to -1 (0 is the normal value 1378 * of the reference count) the a wakeup on the softc is performed 1379 * signaling to the detach waiter that all references are gone. 1380 */ 1381 1382 /* 1383 * Called from process context when we discover that a port has 1384 * been disconnected. 1385 */ 1386 void 1387 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1388 { 1389 usbd_device_handle dev = up->device; 1390 const char *hubname = USBDEVPTRNAME(parent); 1391 int i; 1392 1393 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1394 up, dev, up->portno)); 1395 1396 #ifdef DIAGNOSTIC 1397 if (dev == NULL) { 1398 printf("usb_disconnect_port: no device\n"); 1399 return; 1400 } 1401 #endif 1402 1403 if (dev->subdevlen > 0) { 1404 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1405 for (i = 0; i < dev->subdevlen; i++) { 1406 if (!dev->subdevs[i]) 1407 continue; 1408 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1409 hubname); 1410 if (up->portno != 0) 1411 printf(" port %d", up->portno); 1412 printf(" (addr %d) disconnected\n", dev->address); 1413 config_detach(dev->subdevs[i], DETACH_FORCE); 1414 } 1415 } 1416 1417 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1418 dev->bus->devices[dev->address] = NULL; 1419 up->device = NULL; 1420 usb_free_device(dev); 1421 } 1422