1 /* $OpenBSD: uhidev.c,v 1.31 2007/11/12 04:18:09 deraadt Exp $ */ 2 /* $NetBSD: uhidev.c,v 1.14 2003/03/11 16:44:00 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 2001 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 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 43 */ 44 45 #include <sys/param.h> 46 #include <sys/systm.h> 47 #include <sys/kernel.h> 48 #include <sys/malloc.h> 49 #include <sys/signalvar.h> 50 #include <sys/device.h> 51 #include <sys/ioctl.h> 52 #include <sys/conf.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbhid.h> 56 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/hid.h> 61 #include <dev/usb/usb_quirks.h> 62 63 #include <dev/usb/uhidev.h> 64 65 /* Report descriptor for broken Wacom Graphire */ 66 #include <dev/usb/ugraphire_rdesc.h> 67 68 #ifdef UHIDEV_DEBUG 69 #define DPRINTF(x) do { if (uhidevdebug) printf x; } while (0) 70 #define DPRINTFN(n,x) do { if (uhidevdebug>(n)) printf x; } while (0) 71 int uhidevdebug = 0; 72 #else 73 #define DPRINTF(x) 74 #define DPRINTFN(n,x) 75 #endif 76 77 void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 78 79 int uhidev_maxrepid(void *buf, int len); 80 int uhidevprint(void *aux, const char *pnp); 81 int uhidevsubmatch(struct device *parent, void *cf, void *aux); 82 83 int uhidev_match(struct device *, void *, void *); 84 void uhidev_attach(struct device *, struct device *, void *); 85 int uhidev_detach(struct device *, int); 86 int uhidev_activate(struct device *, enum devact); 87 88 struct cfdriver uhidev_cd = { 89 NULL, "uhidev", DV_DULL 90 }; 91 92 const struct cfattach uhidev_ca = { 93 sizeof(struct uhidev_softc), 94 uhidev_match, 95 uhidev_attach, 96 uhidev_detach, 97 uhidev_activate, 98 }; 99 100 int 101 uhidev_match(struct device *parent, void *match, void *aux) 102 { 103 struct usb_attach_arg *uaa = aux; 104 usb_interface_descriptor_t *id; 105 106 if (uaa->iface == NULL) 107 return (UMATCH_NONE); 108 id = usbd_get_interface_descriptor(uaa->iface); 109 if (id == NULL || id->bInterfaceClass != UICLASS_HID) 110 return (UMATCH_NONE); 111 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_HID) 112 return (UMATCH_NONE); 113 if (uaa->matchlvl) 114 return (uaa->matchlvl); 115 116 #ifdef __macppc__ 117 /* 118 * Some Apple laptops have USB phantom devices which match 119 * the ADB devices. We want to ignore them to avoid 120 * confusing users, as the real hardware underneath is adb 121 * and has already attached. 122 */ 123 if (uaa->vendor == USB_VENDOR_APPLE && 124 uaa->product == USB_PRODUCT_APPLE_ADB) 125 return (UMATCH_NONE); 126 #endif 127 128 return (UMATCH_IFACECLASS_GENERIC); 129 } 130 131 void 132 uhidev_attach(struct device *parent, struct device *self, void *aux) 133 { 134 struct uhidev_softc *sc = (struct uhidev_softc *)self; 135 struct usb_attach_arg *uaa = aux; 136 usbd_interface_handle iface = uaa->iface; 137 usb_interface_descriptor_t *id; 138 usb_endpoint_descriptor_t *ed; 139 struct uhidev_attach_arg uha; 140 struct uhidev *dev; 141 int size, nrepid, repid, repsz; 142 int repsizes[256]; 143 int i; 144 void *desc; 145 const void *descptr; 146 usbd_status err; 147 148 sc->sc_udev = uaa->device; 149 sc->sc_iface = iface; 150 id = usbd_get_interface_descriptor(iface); 151 152 (void)usbd_set_idle(iface, 0, 0); 153 #if 0 154 155 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 156 if ((qflags & UQ_NO_SET_PROTO) == 0 && 157 id->bInterfaceSubClass != UISUBCLASS_BOOT) 158 (void)usbd_set_protocol(iface, 1); 159 #endif 160 161 sc->sc_iep_addr = sc->sc_oep_addr = -1; 162 for (i = 0; i < id->bNumEndpoints; i++) { 163 ed = usbd_interface2endpoint_descriptor(iface, i); 164 if (ed == NULL) { 165 printf("%s: could not read endpoint descriptor\n", 166 sc->sc_dev.dv_xname); 167 sc->sc_dying = 1; 168 return; 169 } 170 171 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 172 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 173 " bInterval=%d\n", 174 ed->bLength, ed->bDescriptorType, 175 ed->bEndpointAddress & UE_ADDR, 176 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 177 ed->bmAttributes & UE_XFERTYPE, 178 UGETW(ed->wMaxPacketSize), ed->bInterval)); 179 180 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 181 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 182 sc->sc_iep_addr = ed->bEndpointAddress; 183 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 184 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 185 sc->sc_oep_addr = ed->bEndpointAddress; 186 } else { 187 printf("%s: unexpected endpoint\n", sc->sc_dev.dv_xname); 188 sc->sc_dying = 1; 189 return; 190 } 191 } 192 193 /* 194 * Check that we found an input interrupt endpoint. The output interrupt 195 * endpoint is optional 196 */ 197 if (sc->sc_iep_addr == -1) { 198 printf("%s: no input interrupt endpoint\n", sc->sc_dev.dv_xname); 199 sc->sc_dying = 1; 200 return; 201 } 202 203 /* XXX need to extend this */ 204 descptr = NULL; 205 if (uaa->vendor == USB_VENDOR_WACOM) { 206 static uByte reportbuf[] = {2, 2, 2}; 207 208 /* The report descriptor for the Wacom Graphire is broken. */ 209 switch (uaa->product) { 210 case USB_PRODUCT_WACOM_GRAPHIRE: 211 size = sizeof uhid_graphire_report_descr; 212 descptr = uhid_graphire_report_descr; 213 break; 214 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 215 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: 216 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 217 &reportbuf, sizeof reportbuf); 218 size = sizeof uhid_graphire3_4x5_report_descr; 219 descptr = uhid_graphire3_4x5_report_descr; 220 break; 221 default: 222 /* Keep descriptor */ 223 break; 224 } 225 } 226 227 if (descptr) { 228 desc = malloc(size, M_USBDEV, M_NOWAIT); 229 if (desc == NULL) 230 err = USBD_NOMEM; 231 else { 232 err = USBD_NORMAL_COMPLETION; 233 memcpy(desc, descptr, size); 234 } 235 } else { 236 desc = NULL; 237 err = usbd_read_report_desc(uaa->iface, &desc, &size, M_USBDEV); 238 } 239 if (err) { 240 printf("%s: no report descriptor\n", sc->sc_dev.dv_xname); 241 sc->sc_dying = 1; 242 return; 243 } 244 245 sc->sc_repdesc = desc; 246 sc->sc_repdesc_size = size; 247 248 uha.uaa = uaa; 249 nrepid = uhidev_maxrepid(desc, size); 250 if (nrepid < 0) 251 return; 252 printf("%s: iclass %d/%d", sc->sc_dev.dv_xname, 253 id->bInterfaceClass, id->bInterfaceSubClass); 254 if (nrepid > 0) 255 printf(", %d report id%s", nrepid, 256 nrepid > 1 ? "s" : ""); 257 printf("\n"); 258 nrepid++; 259 sc->sc_subdevs = malloc(nrepid * sizeof(struct device *), 260 M_USBDEV, M_NOWAIT | M_ZERO); 261 if (sc->sc_subdevs == NULL) { 262 printf("%s: no memory\n", sc->sc_dev.dv_xname); 263 return; 264 } 265 sc->sc_nrepid = nrepid; 266 sc->sc_isize = 0; 267 268 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 269 &sc->sc_dev); 270 271 for (repid = 0; repid < nrepid; repid++) { 272 repsz = hid_report_size(desc, size, hid_input, repid); 273 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 274 repsizes[repid] = repsz; 275 if (repsz > 0) { 276 if (repsz > sc->sc_isize) 277 sc->sc_isize = repsz; 278 } 279 } 280 sc->sc_isize += nrepid != 1; /* space for report ID */ 281 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 282 283 uha.parent = sc; 284 for (repid = 0; repid < nrepid; repid++) { 285 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 286 if (hid_report_size(desc, size, hid_input, repid) == 0 && 287 hid_report_size(desc, size, hid_output, repid) == 0 && 288 hid_report_size(desc, size, hid_feature, repid) == 0) { 289 ; /* already NULL in sc->sc_subdevs[repid] */ 290 } else { 291 uha.reportid = repid; 292 dev = (struct uhidev *)config_found_sm(self, &uha, 293 uhidevprint, uhidevsubmatch); 294 sc->sc_subdevs[repid] = dev; 295 if (dev != NULL) { 296 dev->sc_in_rep_size = repsizes[repid]; 297 #ifdef DIAGNOSTIC 298 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 299 repid, dev)); 300 if (dev->sc_intr == NULL) { 301 printf("%s: sc_intr == NULL\n", 302 sc->sc_dev.dv_xname); 303 return; 304 } 305 #endif 306 } 307 } 308 } 309 } 310 311 int 312 uhidev_maxrepid(void *buf, int len) 313 { 314 struct hid_data *d; 315 struct hid_item h; 316 int maxid; 317 318 maxid = -1; 319 h.report_ID = 0; 320 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 321 if (h.report_ID > maxid) 322 maxid = h.report_ID; 323 hid_end_parse(d); 324 return (maxid); 325 } 326 327 int 328 uhidevprint(void *aux, const char *pnp) 329 { 330 struct uhidev_attach_arg *uha = aux; 331 332 if (pnp) 333 printf("uhid at %s", pnp); 334 if (uha->reportid != 0) 335 printf(" reportid %d", uha->reportid); 336 return (UNCONF); 337 } 338 339 int uhidevsubmatch(struct device *parent, void *match, void *aux) 340 { 341 struct uhidev_attach_arg *uha = aux; 342 struct cfdata *cf = match; 343 344 if (cf->uhidevcf_reportid != UHIDEV_UNK_REPORTID && 345 cf->uhidevcf_reportid != uha->reportid) 346 return (0); 347 if (cf->uhidevcf_reportid == uha->reportid) 348 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 349 else 350 uha->matchlvl = 0; 351 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 352 } 353 354 int 355 uhidev_activate(struct device *self, enum devact act) 356 { 357 struct uhidev_softc *sc = (struct uhidev_softc *)self; 358 int i, rv = 0; 359 360 switch (act) { 361 case DVACT_ACTIVATE: 362 break; 363 364 case DVACT_DEACTIVATE: 365 for (i = 0; i < sc->sc_nrepid; i++) 366 if (sc->sc_subdevs[i] != NULL) 367 rv |= config_deactivate( 368 &sc->sc_subdevs[i]->sc_dev); 369 sc->sc_dying = 1; 370 break; 371 } 372 return (rv); 373 } 374 375 int 376 uhidev_detach(struct device *self, int flags) 377 { 378 struct uhidev_softc *sc = (struct uhidev_softc *)self; 379 int i, rv; 380 381 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 382 383 sc->sc_dying = 1; 384 if (sc->sc_ipipe != NULL) 385 usbd_abort_pipe(sc->sc_ipipe); 386 387 if (sc->sc_repdesc != NULL) 388 free(sc->sc_repdesc, M_USBDEV); 389 390 rv = 0; 391 for (i = 0; i < sc->sc_nrepid; i++) { 392 if (sc->sc_subdevs[i] != NULL) { 393 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 394 sc->sc_subdevs[i] = NULL; 395 } 396 } 397 398 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 399 &sc->sc_dev); 400 401 return (rv); 402 } 403 404 void 405 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 406 { 407 struct uhidev_softc *sc = addr; 408 struct uhidev *scd; 409 u_char *p; 410 u_int rep; 411 u_int32_t cc; 412 413 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 414 415 #ifdef UHIDEV_DEBUG 416 if (uhidevdebug > 5) { 417 u_int32_t i; 418 419 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 420 DPRINTF(("uhidev_intr: data =")); 421 for (i = 0; i < cc; i++) 422 DPRINTF((" %02x", sc->sc_ibuf[i])); 423 DPRINTF(("\n")); 424 } 425 #endif 426 427 if (status == USBD_CANCELLED) 428 return; 429 430 if (status != USBD_NORMAL_COMPLETION) { 431 DPRINTF(("%s: interrupt status=%d\n", sc->sc_dev.dv_xname, 432 status)); 433 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 434 return; 435 } 436 437 p = sc->sc_ibuf; 438 if (sc->sc_nrepid != 1) 439 rep = *p++, cc--; 440 else 441 rep = 0; 442 if (rep >= sc->sc_nrepid) { 443 printf("uhidev_intr: bad repid %d\n", rep); 444 return; 445 } 446 scd = sc->sc_subdevs[rep]; 447 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 448 rep, scd, scd ? scd->sc_state : 0)); 449 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 450 return; 451 #ifdef UHIDEV_DEBUG 452 if (scd->sc_in_rep_size != cc) 453 printf("%s: bad input length %d != %d\n",sc->sc_dev.dv_xname, 454 scd->sc_in_rep_size, cc); 455 #endif 456 scd->sc_intr(scd, p, cc); 457 } 458 459 void 460 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 461 { 462 *desc = sc->sc_repdesc; 463 *size = sc->sc_repdesc_size; 464 } 465 466 int 467 uhidev_open(struct uhidev *scd) 468 { 469 struct uhidev_softc *sc = scd->sc_parent; 470 usbd_status err; 471 int error; 472 473 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 474 scd->sc_state, sc->sc_refcnt)); 475 476 if (scd->sc_state & UHIDEV_OPEN) 477 return (EBUSY); 478 scd->sc_state |= UHIDEV_OPEN; 479 if (sc->sc_refcnt++) 480 return (0); 481 482 if (sc->sc_isize == 0) 483 return (0); 484 485 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 486 487 /* Set up input interrupt pipe. */ 488 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 489 sc->sc_iep_addr)); 490 491 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 492 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 493 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 494 if (err != USBD_NORMAL_COMPLETION) { 495 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 496 "error=%d\n", err)); 497 error = EIO; 498 goto out1; 499 } 500 501 DPRINTF(("uhidev_open: sc->sc_ipipe=%p\n", sc->sc_ipipe)); 502 503 sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev); 504 if (sc->sc_ixfer == NULL) { 505 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 506 error = ENOMEM; 507 goto out1; // xxxx 508 } 509 510 /* 511 * Set up output interrupt pipe if an output interrupt endpoint 512 * exists. 513 */ 514 if (sc->sc_oep_addr != -1) { 515 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 516 517 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 518 0, &sc->sc_opipe); 519 520 if (err != USBD_NORMAL_COMPLETION) { 521 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 522 "error=%d\n", err)); 523 error = EIO; 524 goto out2; 525 } 526 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 527 528 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 529 if (sc->sc_oxfer == NULL) { 530 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 531 error = ENOMEM; 532 goto out3; 533 } 534 535 sc->sc_owxfer = usbd_alloc_xfer(sc->sc_udev); 536 if (sc->sc_owxfer == NULL) { 537 DPRINTF(("uhidev_open: couldn't allocate owxfer\n")); 538 error = ENOMEM; 539 goto out3; 540 } 541 } 542 543 return (0); 544 545 out3: 546 /* Abort output pipe */ 547 usbd_close_pipe(sc->sc_opipe); 548 out2: 549 /* Abort input pipe */ 550 usbd_close_pipe(sc->sc_ipipe); 551 out1: 552 DPRINTF(("uhidev_open: failed in someway")); 553 free(sc->sc_ibuf, M_USBDEV); 554 scd->sc_state &= ~UHIDEV_OPEN; 555 sc->sc_refcnt = 0; 556 sc->sc_ipipe = NULL; 557 sc->sc_opipe = NULL; 558 if (sc->sc_oxfer != NULL) { 559 usbd_free_xfer(sc->sc_oxfer); 560 sc->sc_oxfer = NULL; 561 } 562 if (sc->sc_owxfer != NULL) { 563 usbd_free_xfer(sc->sc_owxfer); 564 sc->sc_owxfer = NULL; 565 } 566 return (error); 567 } 568 569 void 570 uhidev_close(struct uhidev *scd) 571 { 572 struct uhidev_softc *sc = scd->sc_parent; 573 574 if (!(scd->sc_state & UHIDEV_OPEN)) 575 return; 576 scd->sc_state &= ~UHIDEV_OPEN; 577 if (--sc->sc_refcnt) 578 return; 579 DPRINTF(("uhidev_close: close pipe\n")); 580 581 if (sc->sc_oxfer != NULL) 582 usbd_free_xfer(sc->sc_oxfer); 583 584 if (sc->sc_owxfer != NULL) 585 usbd_free_xfer(sc->sc_owxfer); 586 587 /* Disable interrupts. */ 588 if (sc->sc_opipe != NULL) { 589 usbd_abort_pipe(sc->sc_opipe); 590 usbd_close_pipe(sc->sc_opipe); 591 sc->sc_opipe = NULL; 592 } 593 594 if (sc->sc_ipipe != NULL) { 595 usbd_abort_pipe(sc->sc_ipipe); 596 usbd_close_pipe(sc->sc_ipipe); 597 sc->sc_ipipe = NULL; 598 } 599 600 if (sc->sc_ibuf != NULL) { 601 free(sc->sc_ibuf, M_USBDEV); 602 sc->sc_ibuf = NULL; 603 } 604 } 605 606 usbd_status 607 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 608 { 609 char *buf; 610 usbd_status retstat; 611 612 if (scd->sc_report_id == 0) 613 return usbd_set_report(scd->sc_parent->sc_iface, type, 614 scd->sc_report_id, data, len); 615 616 buf = malloc(len + 1, M_TEMP, M_WAITOK); 617 buf[0] = scd->sc_report_id; 618 memcpy(buf+1, data, len); 619 620 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 621 scd->sc_report_id, data, len + 1); 622 623 free(buf, M_TEMP); 624 625 return retstat; 626 } 627 628 void 629 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 630 { 631 /* XXX */ 632 char buf[100]; 633 if (scd->sc_report_id) { 634 buf[0] = scd->sc_report_id; 635 memcpy(buf+1, data, len); 636 len++; 637 data = buf; 638 } 639 640 usbd_set_report_async(scd->sc_parent->sc_iface, type, 641 scd->sc_report_id, data, len); 642 } 643 644 usbd_status 645 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 646 { 647 return usbd_get_report(scd->sc_parent->sc_iface, type, 648 scd->sc_report_id, data, len); 649 } 650 651 usbd_status 652 uhidev_write(struct uhidev_softc *sc, void *data, int len) 653 { 654 655 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 656 657 if (sc->sc_opipe == NULL) 658 return USBD_INVAL; 659 660 #ifdef UHIDEV_DEBUG 661 if (uhidevdebug > 50) { 662 663 u_int32_t i; 664 u_int8_t *d = data; 665 666 DPRINTF(("uhidev_write: data =")); 667 for (i = 0; i < len; i++) 668 DPRINTF((" %02x", d[i])); 669 DPRINTF(("\n")); 670 } 671 #endif 672 return usbd_intr_transfer(sc->sc_owxfer, sc->sc_opipe, 0, 673 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 674 } 675