uhidev.c revision 1.27.2.3
1 /* $NetBSD: uhidev.c,v 1.27.2.3 2007/09/03 14:39:14 yamt Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net) at 9 * Carlstedt Research & Technology. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 42 */ 43 44 #include <sys/cdefs.h> 45 __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.27.2.3 2007/09/03 14:39:14 yamt Exp $"); 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/kernel.h> 50 #include <sys/malloc.h> 51 #include <sys/signalvar.h> 52 #include <sys/device.h> 53 #include <sys/ioctl.h> 54 #include <sys/conf.h> 55 56 #include <dev/usb/usb.h> 57 #include <dev/usb/usbhid.h> 58 59 #include <dev/usb/usbdevs.h> 60 #include <dev/usb/usbdi.h> 61 #include <dev/usb/usbdi_util.h> 62 #include <dev/usb/hid.h> 63 #include <dev/usb/usb_quirks.h> 64 65 #include <dev/usb/uhidev.h> 66 67 /* Report descriptor for broken Wacom Graphire */ 68 #include <dev/usb/ugraphire_rdesc.h> 69 70 #include "locators.h" 71 72 #ifdef UHIDEV_DEBUG 73 #define DPRINTF(x) if (uhidevdebug) logprintf x 74 #define DPRINTFN(n,x) if (uhidevdebug>(n)) logprintf x 75 int uhidevdebug = 0; 76 #else 77 #define DPRINTF(x) 78 #define DPRINTFN(n,x) 79 #endif 80 81 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 82 83 Static int uhidev_maxrepid(void *, int); 84 Static int uhidevprint(void *, const char *); 85 86 USB_DECLARE_DRIVER(uhidev); 87 88 USB_MATCH(uhidev) 89 { 90 USB_IFMATCH_START(uhidev, uaa); 91 92 if (uaa->class != UICLASS_HID) 93 return (UMATCH_NONE); 94 return (UMATCH_IFACECLASS_GENERIC); 95 } 96 97 USB_ATTACH(uhidev) 98 { 99 USB_IFATTACH_START(uhidev, sc, uaa); 100 usbd_interface_handle iface = uaa->iface; 101 usb_interface_descriptor_t *id; 102 usb_endpoint_descriptor_t *ed; 103 struct uhidev_attach_arg uha; 104 struct uhidev *dev; 105 int size, nrepid, repid, repsz; 106 int *repsizes; 107 int i; 108 void *desc; 109 const void *descptr; 110 usbd_status err; 111 char *devinfop; 112 int locs[UHIDBUSCF_NLOCS]; 113 114 sc->sc_udev = uaa->device; 115 sc->sc_iface = iface; 116 id = usbd_get_interface_descriptor(iface); 117 118 devinfop = usbd_devinfo_alloc(uaa->device, 0); 119 USB_ATTACH_SETUP; 120 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 121 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 122 usbd_devinfo_free(devinfop); 123 124 (void)usbd_set_idle(iface, 0, 0); 125 #if 0 126 127 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 128 if ((qflags & UQ_NO_SET_PROTO) == 0 && 129 id->bInterfaceSubClass != UISUBCLASS_BOOT) 130 (void)usbd_set_protocol(iface, 1); 131 #endif 132 133 sc->sc_iep_addr = sc->sc_oep_addr = -1; 134 for (i = 0; i < id->bNumEndpoints; i++) { 135 ed = usbd_interface2endpoint_descriptor(iface, i); 136 if (ed == NULL) { 137 printf("%s: could not read endpoint descriptor\n", 138 USBDEVNAME(sc->sc_dev)); 139 sc->sc_dying = 1; 140 USB_ATTACH_ERROR_RETURN; 141 } 142 143 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 144 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 145 " bInterval=%d\n", 146 ed->bLength, ed->bDescriptorType, 147 ed->bEndpointAddress & UE_ADDR, 148 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 149 ed->bmAttributes & UE_XFERTYPE, 150 UGETW(ed->wMaxPacketSize), ed->bInterval)); 151 152 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 153 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 154 sc->sc_iep_addr = ed->bEndpointAddress; 155 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 156 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 157 sc->sc_oep_addr = ed->bEndpointAddress; 158 } else { 159 printf("%s: endpoint %d: ignored\n", USBDEVNAME(sc->sc_dev), i); 160 } 161 } 162 163 /* 164 * Check that we found an input interrupt endpoint. The output interrupt 165 * endpoint is optional 166 */ 167 if (sc->sc_iep_addr == -1) { 168 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 169 sc->sc_dying = 1; 170 USB_ATTACH_ERROR_RETURN; 171 } 172 173 /* XXX need to extend this */ 174 descptr = NULL; 175 if (uaa->vendor == USB_VENDOR_WACOM) { 176 static uByte reportbuf[] = {2, 2, 2}; 177 178 /* The report descriptor for the Wacom Graphire is broken. */ 179 switch (uaa->product) { 180 case USB_PRODUCT_WACOM_GRAPHIRE: 181 size = sizeof uhid_graphire_report_descr; 182 descptr = uhid_graphire_report_descr; 183 break; 184 185 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 186 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 187 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 188 /* 189 * The Graphire3 needs 0x0202 to be written to 190 * feature report ID 2 before it'll start 191 * returning digitizer data. 192 */ 193 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 194 &reportbuf, sizeof reportbuf); 195 196 size = sizeof uhid_graphire3_4x5_report_descr; 197 descptr = uhid_graphire3_4x5_report_descr; 198 break; 199 default: 200 /* Keep descriptor */ 201 break; 202 } 203 } 204 205 if (descptr) { 206 desc = malloc(size, M_USBDEV, M_NOWAIT); 207 if (desc == NULL) 208 err = USBD_NOMEM; 209 else { 210 err = USBD_NORMAL_COMPLETION; 211 memcpy(desc, descptr, size); 212 } 213 } else { 214 desc = NULL; 215 err = usbd_read_report_desc(uaa->iface, &desc, &size, 216 M_USBDEV); 217 } 218 if (err) { 219 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 220 sc->sc_dying = 1; 221 USB_ATTACH_ERROR_RETURN; 222 } 223 224 if (uaa->vendor == USB_VENDOR_HOSIDEN && 225 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 226 static uByte reportbuf[] = { 1 }; 227 /* 228 * This device was sold by Konami with its ParaParaParadise 229 * game for PlayStation2. It needs to be "turned on" 230 * before it will send any reports. 231 */ 232 233 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 234 &reportbuf, sizeof reportbuf); 235 } 236 237 sc->sc_repdesc = desc; 238 sc->sc_repdesc_size = size; 239 240 uha.uaa = uaa; 241 nrepid = uhidev_maxrepid(desc, size); 242 if (nrepid < 0) 243 USB_ATTACH_SUCCESS_RETURN; 244 if (nrepid > 0) 245 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 246 nrepid++; 247 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 248 if (repsizes == NULL) 249 goto nomem; 250 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 251 M_USBDEV, M_NOWAIT | M_ZERO); 252 if (sc->sc_subdevs == NULL) { 253 free(repsizes, M_TEMP); 254 nomem: 255 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 256 USB_ATTACH_ERROR_RETURN; 257 } 258 sc->sc_nrepid = nrepid; 259 sc->sc_isize = 0; 260 261 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 262 USBDEV(sc->sc_dev)); 263 264 for (repid = 0; repid < nrepid; repid++) { 265 repsz = hid_report_size(desc, size, hid_input, repid); 266 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 267 repsizes[repid] = repsz; 268 if (repsz > 0) { 269 if (repsz > sc->sc_isize) 270 sc->sc_isize = repsz; 271 } 272 } 273 sc->sc_isize += nrepid != 1; /* space for report ID */ 274 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 275 276 uha.parent = sc; 277 for (repid = 0; repid < nrepid; repid++) { 278 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 279 if (hid_report_size(desc, size, hid_input, repid) == 0 && 280 hid_report_size(desc, size, hid_output, repid) == 0 && 281 hid_report_size(desc, size, hid_feature, repid) == 0) { 282 ; /* already NULL in sc->sc_subdevs[repid] */ 283 } else { 284 uha.reportid = repid; 285 locs[UHIDBUSCF_REPORTID] = repid; 286 287 dev = (struct uhidev *)config_found_sm_loc(self, 288 "uhidbus", locs, &uha, 289 uhidevprint, config_stdsubmatch); 290 sc->sc_subdevs[repid] = dev; 291 if (dev != NULL) { 292 dev->sc_in_rep_size = repsizes[repid]; 293 #ifdef DIAGNOSTIC 294 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 295 repid, dev)); 296 if (dev->sc_intr == NULL) { 297 free(repsizes, M_TEMP); 298 printf("%s: sc_intr == NULL\n", 299 USBDEVNAME(sc->sc_dev)); 300 USB_ATTACH_ERROR_RETURN; 301 } 302 #endif 303 #if NRND > 0 304 rnd_attach_source(&dev->rnd_source, 305 USBDEVNAME(dev->sc_dev), 306 RND_TYPE_TTY, 0); 307 #endif 308 } 309 } 310 } 311 free(repsizes, M_TEMP); 312 313 USB_ATTACH_SUCCESS_RETURN; 314 } 315 316 int 317 uhidev_maxrepid(void *buf, int len) 318 { 319 struct hid_data *d; 320 struct hid_item h; 321 int maxid; 322 323 maxid = -1; 324 h.report_ID = 0; 325 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 326 if (h.report_ID > maxid) 327 maxid = h.report_ID; 328 hid_end_parse(d); 329 return (maxid); 330 } 331 332 int 333 uhidevprint(void *aux, const char *pnp) 334 { 335 struct uhidev_attach_arg *uha = aux; 336 337 if (pnp) 338 aprint_normal("uhid at %s", pnp); 339 if (uha->reportid != 0) 340 aprint_normal(" reportid %d", uha->reportid); 341 return (UNCONF); 342 } 343 344 int 345 uhidev_activate(device_ptr_t self, enum devact act) 346 { 347 struct uhidev_softc *sc = (struct uhidev_softc *)self; 348 int i, rv; 349 350 switch (act) { 351 case DVACT_ACTIVATE: 352 return (EOPNOTSUPP); 353 354 case DVACT_DEACTIVATE: 355 rv = 0; 356 for (i = 0; i < sc->sc_nrepid; i++) 357 if (sc->sc_subdevs[i] != NULL) 358 rv |= config_deactivate( 359 &sc->sc_subdevs[i]->sc_dev); 360 sc->sc_dying = 1; 361 break; 362 default: 363 rv = 0; 364 break; 365 } 366 return (rv); 367 } 368 369 USB_DETACH(uhidev) 370 { 371 USB_DETACH_START(uhidev, sc); 372 int i, rv; 373 374 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 375 376 sc->sc_dying = 1; 377 if (sc->sc_ipipe != NULL) 378 usbd_abort_pipe(sc->sc_ipipe); 379 380 if (sc->sc_repdesc != NULL) 381 free(sc->sc_repdesc, M_USBDEV); 382 383 rv = 0; 384 for (i = 0; i < sc->sc_nrepid; i++) { 385 if (sc->sc_subdevs[i] != NULL) { 386 #if NRND > 0 387 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 388 #endif 389 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 390 sc->sc_subdevs[i] = NULL; 391 } 392 } 393 394 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 395 USBDEV(sc->sc_dev)); 396 397 return (rv); 398 } 399 400 void 401 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 402 { 403 struct uhidev_softc *sc = addr; 404 struct uhidev *scd; 405 u_char *p; 406 u_int rep; 407 u_int32_t cc; 408 409 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 410 411 #ifdef UHIDEV_DEBUG 412 if (uhidevdebug > 5) { 413 u_int32_t i; 414 415 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 416 DPRINTF(("uhidev_intr: data =")); 417 for (i = 0; i < cc; i++) 418 DPRINTF((" %02x", sc->sc_ibuf[i])); 419 DPRINTF(("\n")); 420 } 421 #endif 422 423 if (status == USBD_CANCELLED) 424 return; 425 426 if (status != USBD_NORMAL_COMPLETION) { 427 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 428 status)); 429 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 430 return; 431 } 432 433 p = sc->sc_ibuf; 434 if (sc->sc_nrepid != 1) 435 rep = *p++, cc--; 436 else 437 rep = 0; 438 if (rep >= sc->sc_nrepid) { 439 printf("uhidev_intr: bad repid %d\n", rep); 440 return; 441 } 442 scd = sc->sc_subdevs[rep]; 443 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 444 rep, scd, scd ? scd->sc_state : 0)); 445 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 446 return; 447 if (scd->sc_in_rep_size != cc) { 448 printf("%s: bad input length %d != %d\n", 449 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 450 return; 451 } 452 #if NRND > 0 453 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 454 #endif 455 scd->sc_intr(scd, p, cc); 456 } 457 458 void 459 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 460 { 461 *desc = sc->sc_repdesc; 462 *size = sc->sc_repdesc_size; 463 } 464 465 int 466 uhidev_open(struct uhidev *scd) 467 { 468 struct uhidev_softc *sc = scd->sc_parent; 469 usbd_status err; 470 int error; 471 472 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 473 scd->sc_state, sc->sc_refcnt)); 474 475 if (scd->sc_state & UHIDEV_OPEN) 476 return (EBUSY); 477 scd->sc_state |= UHIDEV_OPEN; 478 if (sc->sc_refcnt++) 479 return (0); 480 481 if (sc->sc_isize == 0) 482 return (0); 483 484 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 485 486 /* Set up input interrupt pipe. */ 487 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 488 sc->sc_iep_addr)); 489 490 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 491 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 492 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 493 if (err != USBD_NORMAL_COMPLETION) { 494 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 495 "error=%d\n", err)); 496 error = EIO; 497 goto out1; 498 } 499 500 /* 501 * Set up output interrupt pipe if an output interrupt endpoint 502 * exists. 503 */ 504 if (sc->sc_oep_addr != -1) { 505 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 506 507 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 508 0, &sc->sc_opipe); 509 510 if (err != USBD_NORMAL_COMPLETION) { 511 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 512 "error=%d\n", err)); 513 error = EIO; 514 goto out2; 515 } 516 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 517 518 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 519 if (sc->sc_oxfer == NULL) { 520 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 521 error = ENOMEM; 522 goto out3; 523 } 524 } 525 526 return (0); 527 out3: 528 /* Abort output pipe */ 529 usbd_close_pipe(sc->sc_opipe); 530 out2: 531 /* Abort input pipe */ 532 usbd_close_pipe(sc->sc_ipipe); 533 out1: 534 DPRINTF(("uhidev_open: failed in someway")); 535 free(sc->sc_ibuf, M_USBDEV); 536 scd->sc_state &= ~UHIDEV_OPEN; 537 sc->sc_refcnt = 0; 538 sc->sc_ipipe = NULL; 539 sc->sc_opipe = NULL; 540 sc->sc_oxfer = NULL; 541 return error; 542 } 543 544 void 545 uhidev_close(struct uhidev *scd) 546 { 547 struct uhidev_softc *sc = scd->sc_parent; 548 549 if (!(scd->sc_state & UHIDEV_OPEN)) 550 return; 551 scd->sc_state &= ~UHIDEV_OPEN; 552 if (--sc->sc_refcnt) 553 return; 554 DPRINTF(("uhidev_close: close pipe\n")); 555 556 if (sc->sc_oxfer != NULL) 557 usbd_free_xfer(sc->sc_oxfer); 558 559 /* Disable interrupts. */ 560 if (sc->sc_opipe != NULL) { 561 usbd_abort_pipe(sc->sc_opipe); 562 usbd_close_pipe(sc->sc_opipe); 563 sc->sc_opipe = NULL; 564 } 565 566 if (sc->sc_ipipe != NULL) { 567 usbd_abort_pipe(sc->sc_ipipe); 568 usbd_close_pipe(sc->sc_ipipe); 569 sc->sc_ipipe = NULL; 570 } 571 572 if (sc->sc_ibuf != NULL) { 573 free(sc->sc_ibuf, M_USBDEV); 574 sc->sc_ibuf = NULL; 575 } 576 } 577 578 usbd_status 579 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 580 { 581 char *buf; 582 usbd_status retstat; 583 584 if (scd->sc_report_id == 0) 585 return usbd_set_report(scd->sc_parent->sc_iface, type, 586 scd->sc_report_id, data, len); 587 588 buf = malloc(len + 1, M_TEMP, M_WAITOK); 589 buf[0] = scd->sc_report_id; 590 memcpy(buf+1, data, len); 591 592 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 593 scd->sc_report_id, buf, len + 1); 594 595 free(buf, M_TEMP); 596 597 return retstat; 598 } 599 600 void 601 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 602 { 603 /* XXX */ 604 char buf[100]; 605 if (scd->sc_report_id) { 606 buf[0] = scd->sc_report_id; 607 memcpy(buf+1, data, len); 608 len++; 609 data = buf; 610 } 611 612 usbd_set_report_async(scd->sc_parent->sc_iface, type, 613 scd->sc_report_id, data, len); 614 } 615 616 usbd_status 617 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 618 { 619 return usbd_get_report(scd->sc_parent->sc_iface, type, 620 scd->sc_report_id, data, len); 621 } 622 623 usbd_status 624 uhidev_write(struct uhidev_softc *sc, void *data, int len) 625 { 626 627 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 628 629 if (sc->sc_opipe == NULL) 630 return USBD_INVAL; 631 632 #ifdef UHIDEV_DEBUG 633 if (uhidevdebug > 50) { 634 635 u_int32_t i; 636 u_int8_t *d = data; 637 638 DPRINTF(("uhidev_write: data =")); 639 for (i = 0; i < len; i++) 640 DPRINTF((" %02x", d[i])); 641 DPRINTF(("\n")); 642 } 643 #endif 644 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 645 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 646 } 647
Indexes created Sun Sep 28 16:09:52 GMT 2025