1 /* $NetBSD: usb_subr.c,v 1.153 2008/04/28 20:24:00 martin 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 1.153 2008/04/28 20:24:00 martin 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 #if defined(__NetBSD__) || defined(__OpenBSD__) 45 #include <sys/device.h> 46 #include <sys/select.h> 47 #elif defined(__FreeBSD__) 48 #include <sys/module.h> 49 #include <sys/bus.h> 50 #endif 51 #include <sys/proc.h> 52 53 #include <sys/bus.h> 54 55 #include <dev/usb/usb.h> 56 57 #include <dev/usb/usbdi.h> 58 #include <dev/usb/usbdi_util.h> 59 #include <dev/usb/usbdivar.h> 60 #include <dev/usb/usbdevs.h> 61 #include <dev/usb/usb_quirks.h> 62 63 #if defined(__FreeBSD__) 64 #include <machine/clock.h> 65 #define delay(d) DELAY(d) 66 #endif 67 68 #ifdef USB_DEBUG 69 #define DPRINTF(x) if (usbdebug) logprintf x 70 #define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x 71 extern int usbdebug; 72 #else 73 #define DPRINTF(x) 74 #define DPRINTFN(n,x) 75 #endif 76 77 Static usbd_status usbd_set_config(usbd_device_handle, int); 78 Static void usbd_devinfo(usbd_device_handle, int, char *, size_t); 79 Static void usbd_devinfo_vp(usbd_device_handle dev, 80 char *v, 81 char *p, int usedev, 82 int useencoded ); 83 Static int usbd_getnewaddr(usbd_bus_handle bus); 84 #if defined(__NetBSD__) 85 Static int usbd_print(void *, const char *); 86 Static int usbd_ifprint(void *, const char *); 87 Static int usbd_submatch(device_ptr_t, struct cfdata *, 88 const int *, void *); 89 Static int usbd_ifsubmatch(device_ptr_t, struct cfdata *, 90 const int *, void *); 91 #elif defined(__OpenBSD__) 92 Static int usbd_print(void *aux, const char *pnp); 93 Static int usbd_submatch(device_ptr_t, void *, void *); 94 #endif 95 Static void usbd_free_iface_data(usbd_device_handle dev, int ifcno); 96 Static void usbd_kill_pipe(usbd_pipe_handle); 97 Static usbd_status usbd_probe_and_attach(device_ptr_t parent, 98 usbd_device_handle dev, int port, int addr); 99 100 Static u_int32_t usb_cookie_no = 0; 101 102 #ifdef USBVERBOSE 103 typedef u_int16_t usb_vendor_id_t; 104 typedef u_int16_t usb_product_id_t; 105 106 /* 107 * Descriptions of of known vendors and devices ("products"). 108 */ 109 struct usb_vendor { 110 usb_vendor_id_t vendor; 111 const char *vendorname; 112 }; 113 struct usb_product { 114 usb_vendor_id_t vendor; 115 usb_product_id_t product; 116 const char *productname; 117 }; 118 119 #include <dev/usb/usbdevs_data.h> 120 #endif /* USBVERBOSE */ 121 122 Static const char * const usbd_error_strs[] = { 123 "NORMAL_COMPLETION", 124 "IN_PROGRESS", 125 "PENDING_REQUESTS", 126 "NOT_STARTED", 127 "INVAL", 128 "NOMEM", 129 "CANCELLED", 130 "BAD_ADDRESS", 131 "IN_USE", 132 "NO_ADDR", 133 "SET_ADDR_FAILED", 134 "NO_POWER", 135 "TOO_DEEP", 136 "IOERROR", 137 "NOT_CONFIGURED", 138 "TIMEOUT", 139 "SHORT_XFER", 140 "STALLED", 141 "INTERRUPTED", 142 "XXX", 143 }; 144 145 const char * 146 usbd_errstr(usbd_status err) 147 { 148 static char buffer[5]; 149 150 if (err < USBD_ERROR_MAX) { 151 return usbd_error_strs[err]; 152 } else { 153 snprintf(buffer, sizeof buffer, "%d", err); 154 return buffer; 155 } 156 } 157 158 usbd_status 159 usbd_get_string_desc(usbd_device_handle dev, int sindex, int langid, 160 usb_string_descriptor_t *sdesc, int *sizep) 161 { 162 usb_device_request_t req; 163 usbd_status err; 164 int actlen; 165 166 req.bmRequestType = UT_READ_DEVICE; 167 req.bRequest = UR_GET_DESCRIPTOR; 168 USETW2(req.wValue, UDESC_STRING, sindex); 169 USETW(req.wIndex, langid); 170 USETW(req.wLength, 2); /* only size byte first */ 171 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 172 &actlen, USBD_DEFAULT_TIMEOUT); 173 if (err) 174 return (err); 175 176 if (actlen < 2) 177 return (USBD_SHORT_XFER); 178 179 USETW(req.wLength, sdesc->bLength); /* the whole string */ 180 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 181 &actlen, USBD_DEFAULT_TIMEOUT); 182 if (err) 183 return (err); 184 185 if (actlen != sdesc->bLength) { 186 DPRINTFN(-1, ("usbd_get_string_desc: expected %d, got %d\n", 187 sdesc->bLength, actlen)); 188 } 189 190 *sizep = actlen; 191 return (USBD_NORMAL_COMPLETION); 192 } 193 194 static void 195 usbd_trim_spaces(char *p) 196 { 197 char *q, *e; 198 199 q = e = p; 200 while (*q == ' ') /* skip leading spaces */ 201 q++; 202 while ((*p = *q++)) /* copy string */ 203 if (*p++ != ' ') /* remember last non-space */ 204 e = p; 205 *e = '\0'; /* kill trailing spaces */ 206 } 207 208 Static void 209 usbd_devinfo_vp(usbd_device_handle dev, char *v, 210 char *p, int usedev, int useencoded) 211 { 212 usb_device_descriptor_t *udd = &dev->ddesc; 213 #ifdef USBVERBOSE 214 int n; 215 #endif 216 217 v[0] = p[0] = '\0'; 218 if (dev == NULL) 219 return; 220 221 if (usedev) { 222 if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == 223 USBD_NORMAL_COMPLETION) 224 usbd_trim_spaces(v); 225 if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == 226 USBD_NORMAL_COMPLETION) 227 usbd_trim_spaces(p); 228 } 229 /* There is no need for strlcpy & snprintf below. */ 230 #ifdef USBVERBOSE 231 if (v[0] == '\0') 232 for (n = 0; n < usb_nvendors; n++) 233 if (usb_vendors[n].vendor == UGETW(udd->idVendor)) { 234 strcpy(v, usb_vendors[n].vendorname); 235 break; 236 } 237 if (p[0] == '\0') 238 for (n = 0; n < usb_nproducts; n++) 239 if (usb_products[n].vendor == UGETW(udd->idVendor) && 240 usb_products[n].product == UGETW(udd->idProduct)) { 241 strcpy(p, usb_products[n].productname); 242 break; 243 } 244 #endif 245 if (v[0] == '\0') 246 sprintf(v, "vendor 0x%04x", UGETW(udd->idVendor)); 247 if (p[0] == '\0') 248 sprintf(p, "product 0x%04x", UGETW(udd->idProduct)); 249 } 250 251 int 252 usbd_printBCD(char *cp, size_t l, int bcd) 253 { 254 return (snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff)); 255 } 256 257 Static void 258 usbd_devinfo(usbd_device_handle dev, int showclass, char *cp, size_t l) 259 { 260 usb_device_descriptor_t *udd = &dev->ddesc; 261 char *vendor, *product; 262 int bcdDevice, bcdUSB; 263 char *ep; 264 265 vendor = malloc(USB_MAX_ENCODED_STRING_LEN * 2, M_USB, M_NOWAIT); 266 if (vendor == NULL) { 267 *cp = '\0'; 268 return; 269 } 270 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 271 272 ep = cp + l; 273 274 usbd_devinfo_vp(dev, vendor, product, 1, 1); 275 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 276 if (showclass) 277 cp += snprintf(cp, ep - cp, ", class %d/%d", 278 udd->bDeviceClass, udd->bDeviceSubClass); 279 bcdUSB = UGETW(udd->bcdUSB); 280 bcdDevice = UGETW(udd->bcdDevice); 281 cp += snprintf(cp, ep - cp, ", rev "); 282 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 283 *cp++ = '/'; 284 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 285 cp += snprintf(cp, ep - cp, ", addr %d", dev->address); 286 *cp = 0; 287 free(vendor, M_USB); 288 } 289 290 char * 291 usbd_devinfo_alloc(usbd_device_handle dev, int showclass) 292 { 293 char *devinfop; 294 295 devinfop = malloc(DEVINFOSIZE, M_TEMP, M_WAITOK); 296 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 297 return devinfop; 298 } 299 300 void 301 usbd_devinfo_free(char *devinfop) 302 { 303 free(devinfop, M_TEMP); 304 } 305 306 /* Delay for a certain number of ms */ 307 void 308 usb_delay_ms(usbd_bus_handle bus, u_int ms) 309 { 310 /* Wait at least two clock ticks so we know the time has passed. */ 311 if (bus->use_polling || cold) 312 delay((ms+1) * 1000); 313 else 314 tsleep(&ms, PRIBIO, "usbdly", (ms*hz+999)/1000 + 1); 315 } 316 317 /* Delay given a device handle. */ 318 void 319 usbd_delay_ms(usbd_device_handle dev, u_int ms) 320 { 321 usb_delay_ms(dev->bus, ms); 322 } 323 324 usbd_status 325 usbd_reset_port(usbd_device_handle dev, int port, usb_port_status_t *ps) 326 { 327 usb_device_request_t req; 328 usbd_status err; 329 int n; 330 331 req.bmRequestType = UT_WRITE_CLASS_OTHER; 332 req.bRequest = UR_SET_FEATURE; 333 USETW(req.wValue, UHF_PORT_RESET); 334 USETW(req.wIndex, port); 335 USETW(req.wLength, 0); 336 err = usbd_do_request(dev, &req, 0); 337 DPRINTFN(1,("usbd_reset_port: port %d reset done, error=%s\n", 338 port, usbd_errstr(err))); 339 if (err) 340 return (err); 341 n = 10; 342 do { 343 /* Wait for device to recover from reset. */ 344 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 345 err = usbd_get_port_status(dev, port, ps); 346 if (err) { 347 DPRINTF(("usbd_reset_port: get status failed %d\n", 348 err)); 349 return (err); 350 } 351 /* If the device disappeared, just give up. */ 352 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 353 return (USBD_NORMAL_COMPLETION); 354 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 355 if (n == 0) 356 return (USBD_TIMEOUT); 357 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 358 #ifdef USB_DEBUG 359 if (err) 360 DPRINTF(("usbd_reset_port: clear port feature failed %d\n", 361 err)); 362 #endif 363 364 /* Wait for the device to recover from reset. */ 365 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 366 return (err); 367 } 368 369 usb_interface_descriptor_t * 370 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 371 { 372 char *p = (char *)cd; 373 char *end = p + UGETW(cd->wTotalLength); 374 usb_interface_descriptor_t *d; 375 int curidx, lastidx, curaidx = 0; 376 377 for (curidx = lastidx = -1; p < end; ) { 378 d = (usb_interface_descriptor_t *)p; 379 DPRINTFN(4,("usbd_find_idesc: idx=%d(%d) altidx=%d(%d) len=%d " 380 "type=%d\n", 381 ifaceidx, curidx, altidx, curaidx, 382 d->bLength, d->bDescriptorType)); 383 if (d->bLength == 0) /* bad descriptor */ 384 break; 385 p += d->bLength; 386 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 387 if (d->bInterfaceNumber != lastidx) { 388 lastidx = d->bInterfaceNumber; 389 curidx++; 390 curaidx = 0; 391 } else 392 curaidx++; 393 if (ifaceidx == curidx && altidx == curaidx) 394 return (d); 395 } 396 } 397 return (NULL); 398 } 399 400 usb_endpoint_descriptor_t * 401 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 402 int endptidx) 403 { 404 char *p = (char *)cd; 405 char *end = p + UGETW(cd->wTotalLength); 406 usb_interface_descriptor_t *d; 407 usb_endpoint_descriptor_t *e; 408 int curidx; 409 410 d = usbd_find_idesc(cd, ifaceidx, altidx); 411 if (d == NULL) 412 return (NULL); 413 if (endptidx >= d->bNumEndpoints) /* quick exit */ 414 return (NULL); 415 416 curidx = -1; 417 for (p = (char *)d + d->bLength; p < end; ) { 418 e = (usb_endpoint_descriptor_t *)p; 419 if (e->bLength == 0) /* bad descriptor */ 420 break; 421 p += e->bLength; 422 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 423 return (NULL); 424 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 425 curidx++; 426 if (curidx == endptidx) 427 return (e); 428 } 429 } 430 return (NULL); 431 } 432 433 usbd_status 434 usbd_fill_iface_data(usbd_device_handle dev, int ifaceidx, int altidx) 435 { 436 usbd_interface_handle ifc = &dev->ifaces[ifaceidx]; 437 usb_interface_descriptor_t *idesc; 438 char *p, *end; 439 int endpt, nendpt; 440 441 DPRINTFN(4,("usbd_fill_iface_data: ifaceidx=%d altidx=%d\n", 442 ifaceidx, altidx)); 443 idesc = usbd_find_idesc(dev->cdesc, ifaceidx, altidx); 444 if (idesc == NULL) 445 return (USBD_INVAL); 446 ifc->device = dev; 447 ifc->idesc = idesc; 448 ifc->index = ifaceidx; 449 ifc->altindex = altidx; 450 nendpt = ifc->idesc->bNumEndpoints; 451 DPRINTFN(4,("usbd_fill_iface_data: found idesc nendpt=%d\n", nendpt)); 452 if (nendpt != 0) { 453 ifc->endpoints = malloc(nendpt * sizeof(struct usbd_endpoint), 454 M_USB, M_NOWAIT); 455 if (ifc->endpoints == NULL) 456 return (USBD_NOMEM); 457 } else 458 ifc->endpoints = NULL; 459 ifc->priv = NULL; 460 p = (char *)ifc->idesc + ifc->idesc->bLength; 461 end = (char *)dev->cdesc + UGETW(dev->cdesc->wTotalLength); 462 #define ed ((usb_endpoint_descriptor_t *)p) 463 for (endpt = 0; endpt < nendpt; endpt++) { 464 DPRINTFN(10,("usbd_fill_iface_data: endpt=%d\n", endpt)); 465 for (; p < end; p += ed->bLength) { 466 DPRINTFN(10,("usbd_fill_iface_data: p=%p end=%p " 467 "len=%d type=%d\n", 468 p, end, ed->bLength, ed->bDescriptorType)); 469 if (p + ed->bLength <= end && ed->bLength != 0 && 470 ed->bDescriptorType == UDESC_ENDPOINT) 471 goto found; 472 if (ed->bLength == 0 || 473 ed->bDescriptorType == UDESC_INTERFACE) 474 break; 475 } 476 /* passed end, or bad desc */ 477 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 478 ed->bLength == 0 ? "0 length" : 479 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 480 "out of data"); 481 goto bad; 482 found: 483 ifc->endpoints[endpt].edesc = ed; 484 if (dev->speed == USB_SPEED_HIGH) { 485 u_int mps; 486 /* Control and bulk endpoints have max packet limits. */ 487 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 488 case UE_CONTROL: 489 mps = USB_2_MAX_CTRL_PACKET; 490 goto check; 491 case UE_BULK: 492 mps = USB_2_MAX_BULK_PACKET; 493 check: 494 if (UGETW(ed->wMaxPacketSize) != mps) { 495 USETW(ed->wMaxPacketSize, mps); 496 #ifdef DIAGNOSTIC 497 printf("usbd_fill_iface_data: bad max " 498 "packet size\n"); 499 #endif 500 } 501 break; 502 default: 503 break; 504 } 505 } 506 ifc->endpoints[endpt].refcnt = 0; 507 p += ed->bLength; 508 } 509 #undef ed 510 LIST_INIT(&ifc->pipes); 511 return (USBD_NORMAL_COMPLETION); 512 513 bad: 514 if (ifc->endpoints != NULL) { 515 free(ifc->endpoints, M_USB); 516 ifc->endpoints = NULL; 517 } 518 return (USBD_INVAL); 519 } 520 521 void 522 usbd_free_iface_data(usbd_device_handle dev, int ifcno) 523 { 524 usbd_interface_handle ifc = &dev->ifaces[ifcno]; 525 if (ifc->endpoints) 526 free(ifc->endpoints, M_USB); 527 } 528 529 Static usbd_status 530 usbd_set_config(usbd_device_handle dev, int conf) 531 { 532 usb_device_request_t req; 533 534 req.bmRequestType = UT_WRITE_DEVICE; 535 req.bRequest = UR_SET_CONFIG; 536 USETW(req.wValue, conf); 537 USETW(req.wIndex, 0); 538 USETW(req.wLength, 0); 539 return (usbd_do_request(dev, &req, 0)); 540 } 541 542 usbd_status 543 usbd_set_config_no(usbd_device_handle dev, int no, int msg) 544 { 545 int index; 546 usb_config_descriptor_t cd; 547 usbd_status err; 548 549 if (no == USB_UNCONFIG_NO) 550 return (usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg)); 551 552 DPRINTFN(5,("usbd_set_config_no: %d\n", no)); 553 /* Figure out what config index to use. */ 554 for (index = 0; index < dev->ddesc.bNumConfigurations; index++) { 555 err = usbd_get_config_desc(dev, index, &cd); 556 if (err) 557 return (err); 558 if (cd.bConfigurationValue == no) 559 return (usbd_set_config_index(dev, index, msg)); 560 } 561 return (USBD_INVAL); 562 } 563 564 usbd_status 565 usbd_set_config_index(usbd_device_handle dev, int index, int msg) 566 { 567 usb_config_descriptor_t cd, *cdp; 568 usbd_status err; 569 int i, ifcidx, nifc, len, selfpowered, power; 570 571 DPRINTFN(5,("usbd_set_config_index: dev=%p index=%d\n", dev, index)); 572 573 if (index >= dev->ddesc.bNumConfigurations && 574 index != USB_UNCONFIG_NO) { 575 /* panic? */ 576 printf("usbd_set_config_index: illegal index\n"); 577 return (USBD_INVAL); 578 } 579 580 /* XXX check that all interfaces are idle */ 581 if (dev->config != USB_UNCONFIG_NO) { 582 DPRINTF(("usbd_set_config_index: free old config\n")); 583 /* Free all configuration data structures. */ 584 nifc = dev->cdesc->bNumInterface; 585 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 586 usbd_free_iface_data(dev, ifcidx); 587 free(dev->ifaces, M_USB); 588 free(dev->cdesc, M_USB); 589 dev->ifaces = NULL; 590 dev->cdesc = NULL; 591 dev->config = USB_UNCONFIG_NO; 592 } 593 594 if (index == USB_UNCONFIG_INDEX) { 595 /* We are unconfiguring the device, so leave unallocated. */ 596 DPRINTF(("usbd_set_config_index: set config 0\n")); 597 err = usbd_set_config(dev, USB_UNCONFIG_NO); 598 if (err) { 599 DPRINTF(("usbd_set_config_index: setting config=0 " 600 "failed, error=%s\n", usbd_errstr(err))); 601 } 602 return (err); 603 } 604 605 /* Get the short descriptor. */ 606 err = usbd_get_config_desc(dev, index, &cd); 607 if (err) 608 return (err); 609 len = UGETW(cd.wTotalLength); 610 cdp = malloc(len, M_USB, M_NOWAIT); 611 if (cdp == NULL) 612 return (USBD_NOMEM); 613 614 /* Get the full descriptor. Try a few times for slow devices. */ 615 for (i = 0; i < 3; i++) { 616 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 617 if (!err) 618 break; 619 usbd_delay_ms(dev, 200); 620 } 621 if (err) 622 goto bad; 623 624 if (cdp->bDescriptorType != UDESC_CONFIG) { 625 DPRINTFN(-1,("usbd_set_config_index: bad desc %d\n", 626 cdp->bDescriptorType)); 627 err = USBD_INVAL; 628 goto bad; 629 } 630 631 /* 632 * Figure out if the device is self or bus powered. 633 */ 634 #if 0 /* XXX various devices don't report the power state correctly */ 635 selfpowered = 0; 636 err = usbd_get_device_status(dev, &ds); 637 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 638 selfpowered = 1; 639 #endif 640 /* 641 * Use the power state in the configuration we are going 642 * to set. This doesn't necessarily reflect the actual 643 * power state of the device; the driver can control this 644 * by choosing the appropriate configuration. 645 */ 646 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 647 648 DPRINTF(("usbd_set_config_index: (addr %d) cno=%d attr=0x%02x, " 649 "selfpowered=%d, power=%d\n", 650 cdp->bConfigurationValue, dev->address, cdp->bmAttributes, 651 selfpowered, cdp->bMaxPower * 2)); 652 653 /* Check if we have enough power. */ 654 #if 0 /* this is a no-op, see above */ 655 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 656 if (msg) 657 printf("%s: device addr %d (config %d): " 658 "can't set self powered configuration\n", 659 USBDEVNAME(dev->bus->bdev), dev->address, 660 cdp->bConfigurationValue); 661 err = USBD_NO_POWER; 662 goto bad; 663 } 664 #endif 665 #ifdef USB_DEBUG 666 if (dev->powersrc == NULL) { 667 DPRINTF(("usbd_set_config_index: No power source?\n")); 668 err = USBD_IOERROR; 669 goto bad; 670 } 671 #endif 672 power = cdp->bMaxPower * 2; 673 if (power > dev->powersrc->power) { 674 DPRINTF(("power exceeded %d %d\n", power,dev->powersrc->power)); 675 /* XXX print nicer message. */ 676 if (msg) 677 printf("%s: device addr %d (config %d) exceeds power " 678 "budget, %d mA > %d mA\n", 679 device_xname(dev->bus->usbctl), dev->address, 680 cdp->bConfigurationValue, 681 power, dev->powersrc->power); 682 err = USBD_NO_POWER; 683 goto bad; 684 } 685 dev->power = power; 686 dev->self_powered = selfpowered; 687 688 /* Set the actual configuration value. */ 689 DPRINTF(("usbd_set_config_index: set config %d\n", 690 cdp->bConfigurationValue)); 691 err = usbd_set_config(dev, cdp->bConfigurationValue); 692 if (err) { 693 DPRINTF(("usbd_set_config_index: setting config=%d failed, " 694 "error=%s\n", 695 cdp->bConfigurationValue, usbd_errstr(err))); 696 goto bad; 697 } 698 699 /* Allocate and fill interface data. */ 700 nifc = cdp->bNumInterface; 701 dev->ifaces = malloc(nifc * sizeof(struct usbd_interface), 702 M_USB, M_NOWAIT); 703 if (dev->ifaces == NULL) { 704 err = USBD_NOMEM; 705 goto bad; 706 } 707 DPRINTFN(5,("usbd_set_config_index: dev=%p cdesc=%p\n", dev, cdp)); 708 dev->cdesc = cdp; 709 dev->config = cdp->bConfigurationValue; 710 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 711 err = usbd_fill_iface_data(dev, ifcidx, 0); 712 if (err) { 713 while (--ifcidx >= 0) 714 usbd_free_iface_data(dev, ifcidx); 715 goto bad; 716 } 717 } 718 719 return (USBD_NORMAL_COMPLETION); 720 721 bad: 722 free(cdp, M_USB); 723 return (err); 724 } 725 726 /* XXX add function for alternate settings */ 727 728 usbd_status 729 usbd_setup_pipe(usbd_device_handle dev, usbd_interface_handle iface, 730 struct usbd_endpoint *ep, int ival, usbd_pipe_handle *pipe) 731 { 732 usbd_pipe_handle p; 733 usbd_status err; 734 735 DPRINTFN(1,("usbd_setup_pipe: dev=%p iface=%p ep=%p pipe=%p\n", 736 dev, iface, ep, pipe)); 737 p = malloc(dev->bus->pipe_size, M_USB, M_NOWAIT); 738 if (p == NULL) 739 return (USBD_NOMEM); 740 p->device = dev; 741 p->iface = iface; 742 p->endpoint = ep; 743 ep->refcnt++; 744 p->refcnt = 1; 745 p->intrxfer = 0; 746 p->running = 0; 747 p->aborting = 0; 748 p->repeat = 0; 749 p->interval = ival; 750 SIMPLEQ_INIT(&p->queue); 751 err = dev->bus->methods->open_pipe(p); 752 if (err) { 753 DPRINTFN(-1,("usbd_setup_pipe: endpoint=0x%x failed, error=" 754 "%s\n", 755 ep->edesc->bEndpointAddress, usbd_errstr(err))); 756 free(p, M_USB); 757 return (err); 758 } 759 *pipe = p; 760 return (USBD_NORMAL_COMPLETION); 761 } 762 763 /* Abort the device control pipe. */ 764 void 765 usbd_kill_pipe(usbd_pipe_handle pipe) 766 { 767 usbd_abort_pipe(pipe); 768 pipe->methods->close(pipe); 769 pipe->endpoint->refcnt--; 770 free(pipe, M_USB); 771 } 772 773 int 774 usbd_getnewaddr(usbd_bus_handle bus) 775 { 776 int addr; 777 778 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 779 if (bus->devices[addr] == 0) 780 return (addr); 781 return (-1); 782 } 783 784 785 usbd_status 786 usbd_probe_and_attach(device_ptr_t parent, usbd_device_handle dev, 787 int port, int addr) 788 { 789 struct usb_attach_arg uaa; 790 struct usbif_attach_arg uiaa; 791 usb_device_descriptor_t *dd = &dev->ddesc; 792 int found, i, confi, nifaces; 793 usbd_status err; 794 device_ptr_t dv; 795 usbd_interface_handle *ifaces; 796 797 #if defined(__FreeBSD__) 798 /* 799 * XXX uaa is a static var. Not a problem as it _should_ be used only 800 * during probe and attach. Should be changed however. 801 */ 802 device_t bdev; 803 bdev = device_add_child(parent, NULL, -1, &uaa); 804 if (!bdev) { 805 printf("%s: Device creation failed\n", USBDEVNAME(dev->bus->bdev)); 806 return (USBD_INVAL); 807 } 808 device_quiet(bdev); 809 #endif 810 811 uaa.device = dev; 812 uaa.usegeneric = 0; 813 uaa.port = port; 814 uaa.vendor = UGETW(dd->idVendor); 815 uaa.product = UGETW(dd->idProduct); 816 uaa.release = UGETW(dd->bcdDevice); 817 uaa.class = dd->bDeviceClass; 818 uaa.subclass = dd->bDeviceSubClass; 819 uaa.proto = dd->bDeviceProtocol; 820 821 /* First try with device specific drivers. */ 822 DPRINTF(("usbd_probe_and_attach: trying device specific drivers\n")); 823 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 824 if (dv) { 825 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 826 if (dev->subdevs == NULL) 827 return (USBD_NOMEM); 828 dev->subdevs[0] = dv; 829 dev->subdevs[1] = 0; 830 return (USBD_NORMAL_COMPLETION); 831 } 832 833 DPRINTF(("usbd_probe_and_attach: no device specific driver found\n")); 834 835 uiaa.device = dev; 836 uiaa.port = port; 837 uiaa.vendor = UGETW(dd->idVendor); 838 uiaa.product = UGETW(dd->idProduct); 839 uiaa.release = UGETW(dd->bcdDevice); 840 841 DPRINTF(("usbd_probe_and_attach: looping over %d configurations\n", 842 dd->bNumConfigurations)); 843 /* Next try with interface drivers. */ 844 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 845 DPRINTFN(1,("usbd_probe_and_attach: trying config idx=%d\n", 846 confi)); 847 err = usbd_set_config_index(dev, confi, 1); 848 if (err) { 849 #ifdef USB_DEBUG 850 DPRINTF(("%s: port %d, set config at addr %d failed, " 851 "error=%s\n", USBDEVPTRNAME(parent), port, 852 addr, usbd_errstr(err))); 853 #else 854 printf("%s: port %d, set config at addr %d failed\n", 855 USBDEVPTRNAME(parent), port, addr); 856 #endif 857 #if defined(__FreeBSD__) 858 device_delete_child(parent, bdev); 859 #endif 860 861 return (err); 862 } 863 nifaces = dev->cdesc->bNumInterface; 864 uiaa.configno = dev->cdesc->bConfigurationValue; 865 ifaces = malloc(nifaces * sizeof(*ifaces), M_USB, M_NOWAIT); 866 if (ifaces == NULL) 867 goto nomem; 868 for (i = 0; i < nifaces; i++) 869 ifaces[i] = &dev->ifaces[i]; 870 uiaa.ifaces = ifaces; 871 uiaa.nifaces = nifaces; 872 dev->subdevs = malloc((nifaces+1) * sizeof dv, M_USB,M_NOWAIT); 873 if (dev->subdevs == NULL) { 874 free(ifaces, M_USB); 875 nomem: 876 #if defined(__FreeBSD__) 877 device_delete_child(parent, bdev); 878 #endif 879 return (USBD_NOMEM); 880 } 881 882 found = 0; 883 for (i = 0; i < nifaces; i++) { 884 if (ifaces[i] == NULL) 885 continue; /* interface already claimed */ 886 uiaa.iface = ifaces[i]; 887 uiaa.class = ifaces[i]->idesc->bInterfaceClass; 888 uiaa.subclass = ifaces[i]->idesc->bInterfaceSubClass; 889 uiaa.proto = ifaces[i]->idesc->bInterfaceProtocol; 890 uiaa.ifaceno = ifaces[i]->idesc->bInterfaceNumber; 891 dv = USB_DO_IFATTACH(dev, bdev, parent, &uiaa, usbd_ifprint, 892 usbd_ifsubmatch); 893 if (dv != NULL) { 894 dev->subdevs[found++] = dv; 895 dev->subdevs[found] = 0; 896 ifaces[i] = 0; /* consumed */ 897 898 #if defined(__FreeBSD__) 899 /* create another child for the next iface */ 900 bdev = device_add_child(parent, NULL, -1,&uaa); 901 if (!bdev) { 902 printf("%s: Device creation failed\n", 903 USBDEVNAME(dev->bus->bdev)); 904 free(ifaces, M_USB); 905 return (USBD_NORMAL_COMPLETION); 906 } 907 device_quiet(bdev); 908 #endif 909 } 910 } 911 if (found != 0) { 912 #if defined(__FreeBSD__) 913 /* remove the last created child again; it is unused */ 914 device_delete_child(parent, bdev); 915 #endif 916 free(ifaces, M_USB); 917 return (USBD_NORMAL_COMPLETION); 918 } 919 free(ifaces, M_USB); 920 free(dev->subdevs, M_USB); 921 dev->subdevs = 0; 922 } 923 /* No interfaces were attached in any of the configurations. */ 924 925 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 926 usbd_set_config_index(dev, 0, 0); 927 928 DPRINTF(("usbd_probe_and_attach: no interface drivers found\n")); 929 930 /* Finally try the generic driver. */ 931 uaa.usegeneric = 1; 932 dv = USB_DO_ATTACH(dev, bdev, parent, &uaa, usbd_print, usbd_submatch); 933 if (dv != NULL) { 934 dev->subdevs = malloc(2 * sizeof dv, M_USB, M_NOWAIT); 935 if (dev->subdevs == 0) 936 return (USBD_NOMEM); 937 dev->subdevs[0] = dv; 938 dev->subdevs[1] = 0; 939 return (USBD_NORMAL_COMPLETION); 940 } 941 942 /* 943 * The generic attach failed, but leave the device as it is. 944 * We just did not find any drivers, that's all. The device is 945 * fully operational and not harming anyone. 946 */ 947 DPRINTF(("usbd_probe_and_attach: generic attach failed\n")); 948 #if defined(__FreeBSD__) 949 device_delete_child(parent, bdev); 950 #endif 951 return (USBD_NORMAL_COMPLETION); 952 } 953 954 955 /* 956 * Called when a new device has been put in the powered state, 957 * but not yet in the addressed state. 958 * Get initial descriptor, set the address, get full descriptor, 959 * and attach a driver. 960 */ 961 usbd_status 962 usbd_new_device(device_ptr_t parent, usbd_bus_handle bus, int depth, 963 int speed, int port, struct usbd_port *up) 964 { 965 usbd_device_handle dev, adev; 966 struct usbd_device *hub; 967 usb_device_descriptor_t *dd; 968 usb_port_status_t ps; 969 usbd_status err; 970 int addr; 971 int i; 972 int p; 973 974 DPRINTF(("usbd_new_device bus=%p port=%d depth=%d speed=%d\n", 975 bus, port, depth, speed)); 976 addr = usbd_getnewaddr(bus); 977 if (addr < 0) { 978 printf("%s: No free USB addresses, new device ignored.\n", 979 device_xname(bus->usbctl)); 980 return (USBD_NO_ADDR); 981 } 982 983 dev = malloc(sizeof *dev, M_USB, M_NOWAIT|M_ZERO); 984 if (dev == NULL) 985 return (USBD_NOMEM); 986 987 dev->bus = bus; 988 989 /* Set up default endpoint handle. */ 990 dev->def_ep.edesc = &dev->def_ep_desc; 991 992 /* Set up default endpoint descriptor. */ 993 dev->def_ep_desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 994 dev->def_ep_desc.bDescriptorType = UDESC_ENDPOINT; 995 dev->def_ep_desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 996 dev->def_ep_desc.bmAttributes = UE_CONTROL; 997 USETW(dev->def_ep_desc.wMaxPacketSize, USB_MAX_IPACKET); 998 dev->def_ep_desc.bInterval = 0; 999 1000 dev->quirks = &usbd_no_quirk; 1001 dev->address = USB_START_ADDR; 1002 dev->ddesc.bMaxPacketSize = 0; 1003 dev->depth = depth; 1004 dev->powersrc = up; 1005 dev->myhub = up->parent; 1006 1007 up->device = dev; 1008 1009 /* Locate port on upstream high speed hub */ 1010 for (adev = dev, hub = up->parent; 1011 hub != NULL && hub->speed != USB_SPEED_HIGH; 1012 adev = hub, hub = hub->myhub) 1013 ; 1014 if (hub) { 1015 for (p = 0; p < hub->hub->hubdesc.bNbrPorts; p++) { 1016 if (hub->hub->ports[p].device == adev) { 1017 dev->myhsport = &hub->hub->ports[p]; 1018 goto found; 1019 } 1020 } 1021 panic("usbd_new_device: cannot find HS port\n"); 1022 found: 1023 DPRINTFN(1,("usbd_new_device: high speed port %d\n", p)); 1024 } else { 1025 dev->myhsport = NULL; 1026 } 1027 dev->speed = speed; 1028 dev->langid = USBD_NOLANG; 1029 dev->cookie.cookie = ++usb_cookie_no; 1030 1031 /* Establish the default pipe. */ 1032 err = usbd_setup_pipe(dev, 0, &dev->def_ep, USBD_DEFAULT_INTERVAL, 1033 &dev->default_pipe); 1034 if (err) { 1035 usbd_remove_device(dev, up); 1036 return (err); 1037 } 1038 1039 /* Set the address. Do this early; some devices need that. */ 1040 /* Try a few times in case the device is slow (i.e. outside specs) */ 1041 DPRINTFN(5,("usbd_new_device: setting device address=%d\n", addr)); 1042 for (i = 0; i < 15; i++) { 1043 err = usbd_set_address(dev, addr); 1044 if (!err) 1045 break; 1046 usbd_delay_ms(dev, 200); 1047 if ((i & 3) == 3) { 1048 DPRINTFN(-1,("usbd_new_device: set address %d " 1049 "failed - trying a port reset\n", addr)); 1050 usbd_reset_port(up->parent, port, &ps); 1051 } 1052 } 1053 if (err) { 1054 DPRINTFN(-1,("usb_new_device: set address %d failed\n", addr)); 1055 err = USBD_SET_ADDR_FAILED; 1056 usbd_remove_device(dev, up); 1057 return (err); 1058 } 1059 /* Allow device time to set new address */ 1060 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1061 dev->address = addr; /* New device address now */ 1062 bus->devices[addr] = dev; 1063 1064 dd = &dev->ddesc; 1065 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1066 for (i = 0; i < 10; i++) { 1067 /* Get the first 8 bytes of the device descriptor. */ 1068 err = usbd_get_desc(dev, UDESC_DEVICE, 0, USB_MAX_IPACKET, dd); 1069 if (!err) 1070 break; 1071 usbd_delay_ms(dev, 200); 1072 if ((i & 3) == 3) 1073 usbd_reset_port(up->parent, port, &ps); 1074 } 1075 if (err) { 1076 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting first desc " 1077 "failed\n", addr)); 1078 usbd_remove_device(dev, up); 1079 return (err); 1080 } 1081 1082 if (speed == USB_SPEED_HIGH) { 1083 /* Max packet size must be 64 (sec 5.5.3). */ 1084 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1085 #ifdef DIAGNOSTIC 1086 printf("usbd_new_device: addr=%d bad max packet size\n", 1087 addr); 1088 #endif 1089 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1090 } 1091 } 1092 1093 DPRINTF(("usbd_new_device: adding unit addr=%d, rev=%02x, class=%d, " 1094 "subclass=%d, protocol=%d, maxpacket=%d, len=%d, speed=%d\n", 1095 addr,UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass, 1096 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, 1097 dev->speed)); 1098 1099 if (dd->bDescriptorType != UDESC_DEVICE) { 1100 /* Illegal device descriptor */ 1101 DPRINTFN(-1,("usbd_new_device: illegal descriptor %d\n", 1102 dd->bDescriptorType)); 1103 usbd_remove_device(dev, up); 1104 return (USBD_INVAL); 1105 } 1106 1107 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1108 DPRINTFN(-1,("usbd_new_device: bad length %d\n", dd->bLength)); 1109 usbd_remove_device(dev, up); 1110 return (USBD_INVAL); 1111 } 1112 1113 USETW(dev->def_ep_desc.wMaxPacketSize, dd->bMaxPacketSize); 1114 1115 err = usbd_reload_device_desc(dev); 1116 if (err) { 1117 DPRINTFN(-1, ("usbd_new_device: addr=%d, getting full desc " 1118 "failed\n", addr)); 1119 usbd_remove_device(dev, up); 1120 return (err); 1121 } 1122 1123 /* Assume 100mA bus powered for now. Changed when configured. */ 1124 dev->power = USB_MIN_POWER; 1125 dev->self_powered = 0; 1126 1127 DPRINTF(("usbd_new_device: new dev (addr %d), dev=%p, parent=%p\n", 1128 addr, dev, parent)); 1129 1130 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1131 1132 err = usbd_probe_and_attach(parent, dev, port, addr); 1133 if (err) { 1134 usbd_remove_device(dev, up); 1135 return (err); 1136 } 1137 1138 return (USBD_NORMAL_COMPLETION); 1139 } 1140 1141 usbd_status 1142 usbd_reload_device_desc(usbd_device_handle dev) 1143 { 1144 usbd_status err; 1145 1146 /* Get the full device descriptor. */ 1147 err = usbd_get_device_desc(dev, &dev->ddesc); 1148 if (err) 1149 return (err); 1150 1151 /* Figure out what's wrong with this device. */ 1152 dev->quirks = usbd_find_quirk(&dev->ddesc); 1153 1154 return (USBD_NORMAL_COMPLETION); 1155 } 1156 1157 void 1158 usbd_remove_device(usbd_device_handle dev, struct usbd_port *up) 1159 { 1160 DPRINTF(("usbd_remove_device: %p\n", dev)); 1161 1162 if (dev->default_pipe != NULL) 1163 usbd_kill_pipe(dev->default_pipe); 1164 up->device = NULL; 1165 dev->bus->devices[dev->address] = NULL; 1166 1167 free(dev, M_USB); 1168 } 1169 1170 #if defined(__NetBSD__) || defined(__OpenBSD__) 1171 int 1172 usbd_print(void *aux, const char *pnp) 1173 { 1174 struct usb_attach_arg *uaa = aux; 1175 1176 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1177 if (pnp) { 1178 #define USB_DEVINFO 1024 1179 char *devinfo; 1180 if (!uaa->usegeneric) 1181 return (QUIET); 1182 devinfo = malloc(USB_DEVINFO, M_TEMP, M_WAITOK); 1183 usbd_devinfo(uaa->device, 1, devinfo, USB_DEVINFO); 1184 aprint_normal("%s, %s", devinfo, pnp); 1185 free(devinfo, M_TEMP); 1186 } 1187 if (uaa->port != 0) 1188 aprint_normal(" port %d", uaa->port); 1189 #if 0 1190 /* 1191 * It gets very crowded with these locators on the attach line. 1192 * They are not really needed since they are printed in the clear 1193 * by each driver. 1194 */ 1195 if (uaa->vendor != UHUB_UNK_VENDOR) 1196 aprint_normal(" vendor 0x%04x", uaa->vendor); 1197 if (uaa->product != UHUB_UNK_PRODUCT) 1198 aprint_normal(" product 0x%04x", uaa->product); 1199 if (uaa->release != UHUB_UNK_RELEASE) 1200 aprint_normal(" release 0x%04x", uaa->release); 1201 #endif 1202 return (UNCONF); 1203 } 1204 1205 int 1206 usbd_ifprint(void *aux, const char *pnp) 1207 { 1208 struct usbif_attach_arg *uaa = aux; 1209 1210 DPRINTFN(15, ("usbd_print dev=%p\n", uaa->device)); 1211 if (pnp) 1212 return (QUIET); 1213 if (uaa->port != 0) 1214 aprint_normal(" port %d", uaa->port); 1215 if (uaa->configno != UHUB_UNK_CONFIGURATION) 1216 aprint_normal(" configuration %d", uaa->configno); 1217 if (uaa->ifaceno != UHUB_UNK_INTERFACE) 1218 aprint_normal(" interface %d", uaa->ifaceno); 1219 #if 0 1220 /* 1221 * It gets very crowded with these locators on the attach line. 1222 * They are not really needed since they are printed in the clear 1223 * by each driver. 1224 */ 1225 if (uaa->vendor != UHUB_UNK_VENDOR) 1226 aprint_normal(" vendor 0x%04x", uaa->vendor); 1227 if (uaa->product != UHUB_UNK_PRODUCT) 1228 aprint_normal(" product 0x%04x", uaa->product); 1229 if (uaa->release != UHUB_UNK_RELEASE) 1230 aprint_normal(" release 0x%04x", uaa->release); 1231 #endif 1232 return (UNCONF); 1233 } 1234 1235 #if defined(__NetBSD__) 1236 int 1237 usbd_submatch(struct device *parent, struct cfdata *cf, 1238 const int *ldesc, void *aux) 1239 { 1240 #elif defined(__OpenBSD__) 1241 int 1242 usbd_submatch(struct device *parent, void *match, void *aux) 1243 { 1244 struct cfdata *cf = match; 1245 #endif 1246 struct usb_attach_arg *uaa = aux; 1247 1248 DPRINTFN(5,("usbd_submatch port=%d,%d " 1249 "vendor=%d,%d product=%d,%d release=%d,%d\n", 1250 uaa->port, cf->uhubcf_port, 1251 uaa->vendor, cf->uhubcf_vendor, 1252 uaa->product, cf->uhubcf_product, 1253 uaa->release, cf->uhubcf_release)); 1254 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1255 ((cf->uhubcf_port != UHUB_UNK_PORT && 1256 cf->uhubcf_port != uaa->port) || 1257 (uaa->vendor != UHUB_UNK_VENDOR && 1258 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1259 cf->uhubcf_vendor != uaa->vendor) || 1260 (uaa->product != UHUB_UNK_PRODUCT && 1261 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1262 cf->uhubcf_product != uaa->product) || 1263 (uaa->release != UHUB_UNK_RELEASE && 1264 cf->uhubcf_release != UHUB_UNK_RELEASE && 1265 cf->uhubcf_release != uaa->release) 1266 ) 1267 ) 1268 return 0; 1269 return (config_match(parent, cf, aux)); 1270 } 1271 1272 int 1273 usbd_ifsubmatch(struct device *parent, struct cfdata *cf, 1274 const int *ldesc, void *aux) 1275 { 1276 struct usbif_attach_arg *uaa = aux; 1277 1278 DPRINTFN(5,("usbd_submatch port=%d,%d configno=%d,%d " 1279 "ifaceno=%d,%d vendor=%d,%d product=%d,%d release=%d,%d\n", 1280 uaa->port, cf->uhubcf_port, 1281 uaa->configno, cf->uhubcf_configuration, 1282 uaa->ifaceno, cf->uhubcf_interface, 1283 uaa->vendor, cf->uhubcf_vendor, 1284 uaa->product, cf->uhubcf_product, 1285 uaa->release, cf->uhubcf_release)); 1286 if (uaa->port != 0 && /* root hub has port 0, it should match */ 1287 ((cf->uhubcf_port != UHUB_UNK_PORT && 1288 cf->uhubcf_port != uaa->port) || 1289 (uaa->configno != UHUB_UNK_CONFIGURATION && 1290 cf->uhubcf_configuration != UHUB_UNK_CONFIGURATION && 1291 cf->uhubcf_configuration != uaa->configno) || 1292 (uaa->ifaceno != UHUB_UNK_INTERFACE && 1293 cf->uhubcf_interface != UHUB_UNK_INTERFACE && 1294 cf->uhubcf_interface != uaa->ifaceno) || 1295 (uaa->vendor != UHUB_UNK_VENDOR && 1296 cf->uhubcf_vendor != UHUB_UNK_VENDOR && 1297 cf->uhubcf_vendor != uaa->vendor) || 1298 (uaa->product != UHUB_UNK_PRODUCT && 1299 cf->uhubcf_product != UHUB_UNK_PRODUCT && 1300 cf->uhubcf_product != uaa->product) || 1301 (uaa->release != UHUB_UNK_RELEASE && 1302 cf->uhubcf_release != UHUB_UNK_RELEASE && 1303 cf->uhubcf_release != uaa->release) 1304 ) 1305 ) 1306 return 0; 1307 return (config_match(parent, cf, aux)); 1308 } 1309 1310 #endif 1311 1312 void 1313 usbd_fill_deviceinfo(usbd_device_handle dev, struct usb_device_info *di, 1314 int usedev) 1315 { 1316 struct usbd_port *p; 1317 int i, err, s; 1318 1319 di->udi_bus = device_unit(dev->bus->usbctl); 1320 di->udi_addr = dev->address; 1321 di->udi_cookie = dev->cookie; 1322 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 1); 1323 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1324 UGETW(dev->ddesc.bcdDevice)); 1325 di->udi_serial[0] = 0; 1326 if (usedev) 1327 (void)usbd_get_string(dev, dev->ddesc.iSerialNumber, 1328 di->udi_serial); 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->subdevs != NULL) { 1340 for (i = 0; dev->subdevs[i] && 1341 i < USB_MAX_DEVNAMES; i++) { 1342 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1343 USB_MAX_DEVNAMELEN); 1344 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1345 } 1346 } else { 1347 i = 0; 1348 } 1349 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1350 di->udi_devnames[i][0] = 0; /* empty */ 1351 1352 if (dev->hub) { 1353 for (i = 0; 1354 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1355 i < dev->hub->hubdesc.bNbrPorts; 1356 i++) { 1357 p = &dev->hub->ports[i]; 1358 if (p->device) 1359 err = p->device->address; 1360 else { 1361 s = UGETW(p->status.wPortStatus); 1362 if (s & UPS_PORT_ENABLED) 1363 err = USB_PORT_ENABLED; 1364 else if (s & UPS_SUSPEND) 1365 err = USB_PORT_SUSPENDED; 1366 else if (s & UPS_PORT_POWER) 1367 err = USB_PORT_POWERED; 1368 else 1369 err = USB_PORT_DISABLED; 1370 } 1371 di->udi_ports[i] = err; 1372 } 1373 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1374 } else 1375 di->udi_nports = 0; 1376 } 1377 1378 #ifdef COMPAT_30 1379 void 1380 usbd_fill_deviceinfo_old(usbd_device_handle dev, struct usb_device_info_old *di, 1381 int usedev) 1382 { 1383 struct usbd_port *p; 1384 int i, err, s; 1385 1386 di->udi_bus = device_unit(dev->bus->usbctl); 1387 di->udi_addr = dev->address; 1388 di->udi_cookie = dev->cookie; 1389 usbd_devinfo_vp(dev, di->udi_vendor, di->udi_product, usedev, 0); 1390 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1391 UGETW(dev->ddesc.bcdDevice)); 1392 di->udi_vendorNo = UGETW(dev->ddesc.idVendor); 1393 di->udi_productNo = UGETW(dev->ddesc.idProduct); 1394 di->udi_releaseNo = UGETW(dev->ddesc.bcdDevice); 1395 di->udi_class = dev->ddesc.bDeviceClass; 1396 di->udi_subclass = dev->ddesc.bDeviceSubClass; 1397 di->udi_protocol = dev->ddesc.bDeviceProtocol; 1398 di->udi_config = dev->config; 1399 di->udi_power = dev->self_powered ? 0 : dev->power; 1400 di->udi_speed = dev->speed; 1401 1402 if (dev->subdevs != NULL) { 1403 for (i = 0; dev->subdevs[i] && 1404 i < USB_MAX_DEVNAMES; i++) { 1405 strncpy(di->udi_devnames[i], USBDEVPTRNAME(dev->subdevs[i]), 1406 USB_MAX_DEVNAMELEN); 1407 di->udi_devnames[i][USB_MAX_DEVNAMELEN-1] = '\0'; 1408 } 1409 } else { 1410 i = 0; 1411 } 1412 for (/*i is set */; i < USB_MAX_DEVNAMES; i++) 1413 di->udi_devnames[i][0] = 0; /* empty */ 1414 1415 if (dev->hub) { 1416 for (i = 0; 1417 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1418 i < dev->hub->hubdesc.bNbrPorts; 1419 i++) { 1420 p = &dev->hub->ports[i]; 1421 if (p->device) 1422 err = p->device->address; 1423 else { 1424 s = UGETW(p->status.wPortStatus); 1425 if (s & UPS_PORT_ENABLED) 1426 err = USB_PORT_ENABLED; 1427 else if (s & UPS_SUSPEND) 1428 err = USB_PORT_SUSPENDED; 1429 else if (s & UPS_PORT_POWER) 1430 err = USB_PORT_POWERED; 1431 else 1432 err = USB_PORT_DISABLED; 1433 } 1434 di->udi_ports[i] = err; 1435 } 1436 di->udi_nports = dev->hub->hubdesc.bNbrPorts; 1437 } else 1438 di->udi_nports = 0; 1439 } 1440 #endif 1441 1442 1443 void 1444 usb_free_device(usbd_device_handle dev) 1445 { 1446 int ifcidx, nifc; 1447 1448 if (dev->default_pipe != NULL) 1449 usbd_kill_pipe(dev->default_pipe); 1450 if (dev->ifaces != NULL) { 1451 nifc = dev->cdesc->bNumInterface; 1452 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1453 usbd_free_iface_data(dev, ifcidx); 1454 free(dev->ifaces, M_USB); 1455 } 1456 if (dev->cdesc != NULL) 1457 free(dev->cdesc, M_USB); 1458 if (dev->subdevs != NULL) 1459 free(dev->subdevs, M_USB); 1460 free(dev, M_USB); 1461 } 1462 1463 /* 1464 * The general mechanism for detaching drivers works as follows: Each 1465 * driver is responsible for maintaining a reference count on the 1466 * number of outstanding references to its softc (e.g. from 1467 * processing hanging in a read or write). The detach method of the 1468 * driver decrements this counter and flags in the softc that the 1469 * driver is dying and then wakes any sleepers. It then sleeps on the 1470 * softc. Each place that can sleep must maintain the reference 1471 * count. When the reference count drops to -1 (0 is the normal value 1472 * of the reference count) the a wakeup on the softc is performed 1473 * signaling to the detach waiter that all references are gone. 1474 */ 1475 1476 /* 1477 * Called from process context when we discover that a port has 1478 * been disconnected. 1479 */ 1480 void 1481 usb_disconnect_port(struct usbd_port *up, device_ptr_t parent) 1482 { 1483 usbd_device_handle dev = up->device; 1484 const char *hubname = USBDEVPTRNAME(parent); 1485 int i; 1486 1487 DPRINTFN(3,("uhub_disconnect: up=%p dev=%p port=%d\n", 1488 up, dev, up->portno)); 1489 1490 #ifdef DIAGNOSTIC 1491 if (dev == NULL) { 1492 printf("usb_disconnect_port: no device\n"); 1493 return; 1494 } 1495 #endif 1496 1497 if (dev->subdevs != NULL) { 1498 DPRINTFN(3,("usb_disconnect_port: disconnect subdevs\n")); 1499 for (i = 0; dev->subdevs[i]; i++) { 1500 printf("%s: at %s", USBDEVPTRNAME(dev->subdevs[i]), 1501 hubname); 1502 if (up->portno != 0) 1503 printf(" port %d", up->portno); 1504 printf(" (addr %d) disconnected\n", dev->address); 1505 config_detach(dev->subdevs[i], DETACH_FORCE); 1506 } 1507 } 1508 1509 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1510 dev->bus->devices[dev->address] = NULL; 1511 up->device = NULL; 1512 usb_free_device(dev); 1513 } 1514 1515 #ifdef __OpenBSD__ 1516 void *usb_realloc(void *p, u_int size, int pool, int flags) 1517 { 1518 void *q; 1519 1520 q = malloc(size, pool, flags); 1521 if (q == NULL) 1522 return (NULL); 1523 bcopy(p, q, size); 1524 free(p, pool); 1525 return (q); 1526 } 1527 #endif 1528