1 /* $NetBSD: uhidev.c,v 1.45 2009/11/12 19:58:27 dyoung 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@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 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.45 2009/11/12 19:58:27 dyoung Exp $"); 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/kernel.h> 43 #include <sys/malloc.h> 44 #include <sys/signalvar.h> 45 #include <sys/device.h> 46 #include <sys/ioctl.h> 47 #include <sys/conf.h> 48 49 #include <dev/usb/usb.h> 50 #include <dev/usb/usbhid.h> 51 52 #include <dev/usb/usbdevs.h> 53 #include <dev/usb/usbdi.h> 54 #include <dev/usb/usbdi_util.h> 55 #include <dev/usb/hid.h> 56 #include <dev/usb/usb_quirks.h> 57 58 #include <dev/usb/uhidev.h> 59 60 /* Report descriptor for broken Wacom Graphire */ 61 #include <dev/usb/ugraphire_rdesc.h> 62 63 #include "locators.h" 64 65 #ifdef UHIDEV_DEBUG 66 #define DPRINTF(x) if (uhidevdebug) logprintf x 67 #define DPRINTFN(n,x) if (uhidevdebug>(n)) logprintf x 68 int uhidevdebug = 0; 69 #else 70 #define DPRINTF(x) 71 #define DPRINTFN(n,x) 72 #endif 73 74 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 75 76 Static int uhidev_maxrepid(void *, int); 77 Static int uhidevprint(void *, const char *); 78 79 int uhidev_match(device_t, cfdata_t, void *); 80 void uhidev_attach(device_t, device_t, void *); 81 void uhidev_childdet(device_t, device_t); 82 int uhidev_detach(device_t, int); 83 int uhidev_activate(device_t, enum devact); 84 extern struct cfdriver uhidev_cd; 85 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 86 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 87 88 USB_MATCH(uhidev) 89 { 90 USB_IFMATCH_START(uhidev, uaa); 91 92 if (uaa->class != UICLASS_HID) 93 return (UMATCH_NONE); 94 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 95 return (UMATCH_NONE); 96 return (UMATCH_IFACECLASS_GENERIC); 97 } 98 99 USB_ATTACH(uhidev) 100 { 101 USB_IFATTACH_START(uhidev, sc, uaa); 102 usbd_interface_handle iface = uaa->iface; 103 usb_interface_descriptor_t *id; 104 usb_endpoint_descriptor_t *ed; 105 struct uhidev_attach_arg uha; 106 device_t dev; 107 struct uhidev *csc; 108 int maxinpktsize, size, nrepid, repid, repsz; 109 int *repsizes; 110 int i; 111 void *desc; 112 const void *descptr; 113 usbd_status err; 114 char *devinfop; 115 int locs[UHIDBUSCF_NLOCS]; 116 117 sc->sc_dev = self; 118 sc->sc_udev = uaa->device; 119 sc->sc_iface = iface; 120 121 aprint_naive("\n"); 122 aprint_normal("\n"); 123 124 id = usbd_get_interface_descriptor(iface); 125 126 devinfop = usbd_devinfo_alloc(uaa->device, 0); 127 aprint_normal_dev(self, "%s, iclass %d/%d\n", 128 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 129 usbd_devinfo_free(devinfop); 130 131 if (!pmf_device_register(self, NULL, NULL)) 132 aprint_error_dev(self, "couldn't establish power handler\n"); 133 134 (void)usbd_set_idle(iface, 0, 0); 135 #if 0 136 137 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 138 if ((qflags & UQ_NO_SET_PROTO) == 0 && 139 id->bInterfaceSubClass != UISUBCLASS_BOOT) 140 (void)usbd_set_protocol(iface, 1); 141 #endif 142 143 maxinpktsize = 0; 144 sc->sc_iep_addr = sc->sc_oep_addr = -1; 145 for (i = 0; i < id->bNumEndpoints; i++) { 146 ed = usbd_interface2endpoint_descriptor(iface, i); 147 if (ed == NULL) { 148 aprint_error_dev(self, 149 "could not read endpoint descriptor\n"); 150 sc->sc_dying = 1; 151 USB_ATTACH_ERROR_RETURN; 152 } 153 154 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 155 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 156 " bInterval=%d\n", 157 ed->bLength, ed->bDescriptorType, 158 ed->bEndpointAddress & UE_ADDR, 159 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 160 ed->bmAttributes & UE_XFERTYPE, 161 UGETW(ed->wMaxPacketSize), ed->bInterval)); 162 163 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 164 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 165 maxinpktsize = UGETW(ed->wMaxPacketSize); 166 sc->sc_iep_addr = ed->bEndpointAddress; 167 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 168 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 169 sc->sc_oep_addr = ed->bEndpointAddress; 170 } else { 171 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 172 } 173 } 174 175 /* 176 * Check that we found an input interrupt endpoint. The output interrupt 177 * endpoint is optional 178 */ 179 if (sc->sc_iep_addr == -1) { 180 aprint_error_dev(self, "no input interrupt endpoint\n"); 181 sc->sc_dying = 1; 182 USB_ATTACH_ERROR_RETURN; 183 } 184 185 /* XXX need to extend this */ 186 descptr = NULL; 187 if (uaa->vendor == USB_VENDOR_WACOM) { 188 static uByte reportbuf[] = {2, 2, 2}; 189 190 /* The report descriptor for the Wacom Graphire is broken. */ 191 switch (uaa->product) { 192 case USB_PRODUCT_WACOM_GRAPHIRE: 193 size = sizeof uhid_graphire_report_descr; 194 descptr = uhid_graphire_report_descr; 195 break; 196 197 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 198 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 199 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 200 /* 201 * The Graphire3 needs 0x0202 to be written to 202 * feature report ID 2 before it'll start 203 * returning digitizer data. 204 */ 205 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 206 &reportbuf, sizeof reportbuf); 207 208 size = sizeof uhid_graphire3_4x5_report_descr; 209 descptr = uhid_graphire3_4x5_report_descr; 210 break; 211 default: 212 /* Keep descriptor */ 213 break; 214 } 215 } 216 217 if (descptr) { 218 desc = malloc(size, M_USBDEV, M_NOWAIT); 219 if (desc == NULL) 220 err = USBD_NOMEM; 221 else { 222 err = USBD_NORMAL_COMPLETION; 223 memcpy(desc, descptr, size); 224 } 225 } else { 226 desc = NULL; 227 err = usbd_read_report_desc(uaa->iface, &desc, &size, 228 M_USBDEV); 229 } 230 if (err) { 231 aprint_error_dev(self, "no report descriptor\n"); 232 sc->sc_dying = 1; 233 USB_ATTACH_ERROR_RETURN; 234 } 235 236 if (uaa->vendor == USB_VENDOR_HOSIDEN && 237 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 238 static uByte reportbuf[] = { 1 }; 239 /* 240 * This device was sold by Konami with its ParaParaParadise 241 * game for PlayStation2. It needs to be "turned on" 242 * before it will send any reports. 243 */ 244 245 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 246 &reportbuf, sizeof reportbuf); 247 } 248 249 sc->sc_repdesc = desc; 250 sc->sc_repdesc_size = size; 251 252 uha.uaa = uaa; 253 nrepid = uhidev_maxrepid(desc, size); 254 if (nrepid < 0) 255 USB_ATTACH_SUCCESS_RETURN; 256 if (nrepid > 0) 257 aprint_normal_dev(self, "%d report ids\n", nrepid); 258 nrepid++; 259 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 260 if (repsizes == NULL) 261 goto nomem; 262 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 263 M_USBDEV, M_NOWAIT | M_ZERO); 264 if (sc->sc_subdevs == NULL) { 265 free(repsizes, M_TEMP); 266 nomem: 267 aprint_error_dev(self, "no memory\n"); 268 USB_ATTACH_ERROR_RETURN; 269 } 270 271 /* Just request max packet size for the interrupt pipe */ 272 sc->sc_isize = maxinpktsize; 273 sc->sc_nrepid = nrepid; 274 275 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 276 USBDEV(sc->sc_dev)); 277 278 for (repid = 0; repid < nrepid; repid++) { 279 repsz = hid_report_size(desc, size, hid_input, repid); 280 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 281 repsizes[repid] = repsz; 282 } 283 284 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 285 286 uha.parent = sc; 287 for (repid = 0; repid < nrepid; repid++) { 288 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 289 if (hid_report_size(desc, size, hid_input, repid) == 0 && 290 hid_report_size(desc, size, hid_output, repid) == 0 && 291 hid_report_size(desc, size, hid_feature, repid) == 0) { 292 ; /* already NULL in sc->sc_subdevs[repid] */ 293 } else { 294 uha.reportid = repid; 295 locs[UHIDBUSCF_REPORTID] = repid; 296 297 dev = config_found_sm_loc(self, 298 "uhidbus", locs, &uha, 299 uhidevprint, config_stdsubmatch); 300 sc->sc_subdevs[repid] = dev; 301 if (dev != NULL) { 302 csc = device_private(dev); 303 csc->sc_in_rep_size = repsizes[repid]; 304 #ifdef DIAGNOSTIC 305 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 306 repid, dev)); 307 if (csc->sc_intr == NULL) { 308 free(repsizes, M_TEMP); 309 aprint_error_dev(self, 310 "sc_intr == NULL\n"); 311 USB_ATTACH_ERROR_RETURN; 312 } 313 #endif 314 #if NRND > 0 315 rnd_attach_source(&csc->rnd_source, 316 USBDEVNAME(dev), 317 RND_TYPE_TTY, 0); 318 #endif 319 } 320 } 321 } 322 free(repsizes, M_TEMP); 323 324 USB_ATTACH_SUCCESS_RETURN; 325 } 326 327 int 328 uhidev_maxrepid(void *buf, int len) 329 { 330 struct hid_data *d; 331 struct hid_item h; 332 int maxid; 333 334 maxid = -1; 335 h.report_ID = 0; 336 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 337 if (h.report_ID > maxid) 338 maxid = h.report_ID; 339 hid_end_parse(d); 340 return (maxid); 341 } 342 343 int 344 uhidevprint(void *aux, const char *pnp) 345 { 346 struct uhidev_attach_arg *uha = aux; 347 348 if (pnp) 349 aprint_normal("uhid at %s", pnp); 350 if (uha->reportid != 0) 351 aprint_normal(" reportid %d", uha->reportid); 352 return (UNCONF); 353 } 354 355 int 356 uhidev_activate(device_t self, enum devact act) 357 { 358 struct uhidev_softc *sc = device_private(self); 359 360 switch (act) { 361 case DVACT_DEACTIVATE: 362 sc->sc_dying = 1; 363 return 0; 364 default: 365 return EOPNOTSUPP; 366 } 367 } 368 369 void 370 uhidev_childdet(device_t self, device_t child) 371 { 372 int i; 373 struct uhidev_softc *sc = device_private(self); 374 375 for (i = 0; i < sc->sc_nrepid; i++) { 376 if (sc->sc_subdevs[i] == child) 377 break; 378 } 379 KASSERT(i < sc->sc_nrepid); 380 sc->sc_subdevs[i] = NULL; 381 } 382 383 USB_DETACH(uhidev) 384 { 385 USB_DETACH_START(uhidev, sc); 386 int i, rv; 387 #if NRND > 0 388 struct uhidev *csc; 389 #endif 390 391 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 392 393 sc->sc_dying = 1; 394 if (sc->sc_ipipe != NULL) 395 usbd_abort_pipe(sc->sc_ipipe); 396 397 if (sc->sc_repdesc != NULL) 398 free(sc->sc_repdesc, M_USBDEV); 399 400 rv = 0; 401 for (i = 0; i < sc->sc_nrepid; i++) { 402 if (sc->sc_subdevs[i] != NULL) { 403 #if NRND > 0 404 csc = device_private(sc->sc_subdevs[i]); 405 rnd_detach_source(&csc->rnd_source); 406 #endif 407 rv |= config_detach(sc->sc_subdevs[i], flags); 408 } 409 } 410 411 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 412 USBDEV(sc->sc_dev)); 413 414 pmf_device_deregister(self); 415 416 return (rv); 417 } 418 419 void 420 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 421 { 422 struct uhidev_softc *sc = addr; 423 device_t cdev; 424 struct uhidev *scd; 425 u_char *p; 426 u_int rep; 427 u_int32_t cc; 428 429 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 430 431 #ifdef UHIDEV_DEBUG 432 if (uhidevdebug > 5) { 433 u_int32_t i; 434 435 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 436 DPRINTF(("uhidev_intr: data =")); 437 for (i = 0; i < cc; i++) 438 DPRINTF((" %02x", sc->sc_ibuf[i])); 439 DPRINTF(("\n")); 440 } 441 #endif 442 443 if (status == USBD_CANCELLED) 444 return; 445 446 if (status != USBD_NORMAL_COMPLETION) { 447 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 448 status)); 449 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 450 return; 451 } 452 453 p = sc->sc_ibuf; 454 if (sc->sc_nrepid != 1) 455 rep = *p++, cc--; 456 else 457 rep = 0; 458 if (rep >= sc->sc_nrepid) { 459 printf("uhidev_intr: bad repid %d\n", rep); 460 return; 461 } 462 cdev = sc->sc_subdevs[rep]; 463 if (!cdev) 464 return; 465 scd = device_private(cdev); 466 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 467 rep, scd, scd ? scd->sc_state : 0)); 468 if (!(scd->sc_state & UHIDEV_OPEN)) 469 return; 470 if (scd->sc_in_rep_size > cc) { 471 printf("%s: bad input length %d != %d\n", 472 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 473 return; 474 } 475 #if NRND > 0 476 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 477 #endif 478 scd->sc_intr(scd, p, cc); 479 } 480 481 void 482 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 483 { 484 *desc = sc->sc_repdesc; 485 *size = sc->sc_repdesc_size; 486 } 487 488 int 489 uhidev_open(struct uhidev *scd) 490 { 491 struct uhidev_softc *sc = scd->sc_parent; 492 usbd_status err; 493 int error; 494 495 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 496 scd->sc_state, sc->sc_refcnt)); 497 498 if (scd->sc_state & UHIDEV_OPEN) 499 return (EBUSY); 500 scd->sc_state |= UHIDEV_OPEN; 501 if (sc->sc_refcnt++) 502 return (0); 503 504 if (sc->sc_isize == 0) 505 return (0); 506 507 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 508 509 /* Set up input interrupt pipe. */ 510 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 511 sc->sc_iep_addr)); 512 513 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 514 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 515 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 516 if (err != USBD_NORMAL_COMPLETION) { 517 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 518 "error=%d\n", err)); 519 error = EIO; 520 goto out1; 521 } 522 523 /* 524 * Set up output interrupt pipe if an output interrupt endpoint 525 * exists. 526 */ 527 if (sc->sc_oep_addr != -1) { 528 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 529 530 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 531 0, &sc->sc_opipe); 532 533 if (err != USBD_NORMAL_COMPLETION) { 534 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 535 "error=%d\n", err)); 536 error = EIO; 537 goto out2; 538 } 539 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 540 541 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 542 if (sc->sc_oxfer == NULL) { 543 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 544 error = ENOMEM; 545 goto out3; 546 } 547 } 548 549 return (0); 550 out3: 551 /* Abort output pipe */ 552 usbd_close_pipe(sc->sc_opipe); 553 out2: 554 /* Abort input pipe */ 555 usbd_close_pipe(sc->sc_ipipe); 556 out1: 557 DPRINTF(("uhidev_open: failed in someway")); 558 free(sc->sc_ibuf, M_USBDEV); 559 scd->sc_state &= ~UHIDEV_OPEN; 560 sc->sc_refcnt = 0; 561 sc->sc_ipipe = NULL; 562 sc->sc_opipe = NULL; 563 sc->sc_oxfer = NULL; 564 return error; 565 } 566 567 void 568 uhidev_close(struct uhidev *scd) 569 { 570 struct uhidev_softc *sc = scd->sc_parent; 571 572 if (!(scd->sc_state & UHIDEV_OPEN)) 573 return; 574 scd->sc_state &= ~UHIDEV_OPEN; 575 if (--sc->sc_refcnt) 576 return; 577 DPRINTF(("uhidev_close: close pipe\n")); 578 579 if (sc->sc_oxfer != NULL) 580 usbd_free_xfer(sc->sc_oxfer); 581 582 /* Disable interrupts. */ 583 if (sc->sc_opipe != NULL) { 584 usbd_abort_pipe(sc->sc_opipe); 585 usbd_close_pipe(sc->sc_opipe); 586 sc->sc_opipe = NULL; 587 } 588 589 if (sc->sc_ipipe != NULL) { 590 usbd_abort_pipe(sc->sc_ipipe); 591 usbd_close_pipe(sc->sc_ipipe); 592 sc->sc_ipipe = NULL; 593 } 594 595 if (sc->sc_ibuf != NULL) { 596 free(sc->sc_ibuf, M_USBDEV); 597 sc->sc_ibuf = NULL; 598 } 599 } 600 601 usbd_status 602 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 603 { 604 char *buf; 605 usbd_status retstat; 606 607 if (scd->sc_report_id == 0) 608 return usbd_set_report(scd->sc_parent->sc_iface, type, 609 scd->sc_report_id, data, len); 610 611 buf = malloc(len + 1, M_TEMP, M_WAITOK); 612 buf[0] = scd->sc_report_id; 613 memcpy(buf+1, data, len); 614 615 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 616 scd->sc_report_id, buf, len + 1); 617 618 free(buf, M_TEMP); 619 620 return retstat; 621 } 622 623 void 624 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 625 { 626 /* XXX */ 627 char buf[100]; 628 if (scd->sc_report_id) { 629 buf[0] = scd->sc_report_id; 630 memcpy(buf+1, data, len); 631 len++; 632 data = buf; 633 } 634 635 usbd_set_report_async(scd->sc_parent->sc_iface, type, 636 scd->sc_report_id, data, len); 637 } 638 639 usbd_status 640 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 641 { 642 return usbd_get_report(scd->sc_parent->sc_iface, type, 643 scd->sc_report_id, data, len); 644 } 645 646 usbd_status 647 uhidev_write(struct uhidev_softc *sc, void *data, int len) 648 { 649 650 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 651 652 if (sc->sc_opipe == NULL) 653 return USBD_INVAL; 654 655 #ifdef UHIDEV_DEBUG 656 if (uhidevdebug > 50) { 657 658 u_int32_t i; 659 u_int8_t *d = data; 660 661 DPRINTF(("uhidev_write: data =")); 662 for (i = 0; i < len; i++) 663 DPRINTF((" %02x", d[i])); 664 DPRINTF(("\n")); 665 } 666 #endif 667 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 668 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 669 } 670