1 /* $OpenBSD: uhidev.c,v 1.29 2007/09/11 13:39:34 gilles 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 char *devinfop; 148 149 sc->sc_udev = uaa->device; 150 sc->sc_iface = iface; 151 id = usbd_get_interface_descriptor(iface); 152 153 devinfop = usbd_devinfo_alloc(uaa->device, 0); 154 printf("\n%s: %s, iclass %d/%d\n", sc->sc_dev.dv_xname, 155 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 156 usbd_devinfo_free(devinfop); 157 158 (void)usbd_set_idle(iface, 0, 0); 159 #if 0 160 161 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 162 if ((qflags & UQ_NO_SET_PROTO) == 0 && 163 id->bInterfaceSubClass != UISUBCLASS_BOOT) 164 (void)usbd_set_protocol(iface, 1); 165 #endif 166 167 sc->sc_iep_addr = sc->sc_oep_addr = -1; 168 for (i = 0; i < id->bNumEndpoints; i++) { 169 ed = usbd_interface2endpoint_descriptor(iface, i); 170 if (ed == NULL) { 171 printf("%s: could not read endpoint descriptor\n", 172 sc->sc_dev.dv_xname); 173 sc->sc_dying = 1; 174 return; 175 } 176 177 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 178 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 179 " bInterval=%d\n", 180 ed->bLength, ed->bDescriptorType, 181 ed->bEndpointAddress & UE_ADDR, 182 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 183 ed->bmAttributes & UE_XFERTYPE, 184 UGETW(ed->wMaxPacketSize), ed->bInterval)); 185 186 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 187 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 188 sc->sc_iep_addr = ed->bEndpointAddress; 189 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 190 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 191 sc->sc_oep_addr = ed->bEndpointAddress; 192 } else { 193 printf("%s: unexpected endpoint\n", sc->sc_dev.dv_xname); 194 sc->sc_dying = 1; 195 return; 196 } 197 } 198 199 /* 200 * Check that we found an input interrupt endpoint. The output interrupt 201 * endpoint is optional 202 */ 203 if (sc->sc_iep_addr == -1) { 204 printf("%s: no input interrupt endpoint\n", sc->sc_dev.dv_xname); 205 sc->sc_dying = 1; 206 return; 207 } 208 209 /* XXX need to extend this */ 210 descptr = NULL; 211 if (uaa->vendor == USB_VENDOR_WACOM) { 212 static uByte reportbuf[] = {2, 2, 2}; 213 214 /* The report descriptor for the Wacom Graphire is broken. */ 215 switch (uaa->product) { 216 case USB_PRODUCT_WACOM_GRAPHIRE: 217 size = sizeof uhid_graphire_report_descr; 218 descptr = uhid_graphire_report_descr; 219 break; 220 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 221 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: 222 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 223 &reportbuf, sizeof reportbuf); 224 size = sizeof uhid_graphire3_4x5_report_descr; 225 descptr = uhid_graphire3_4x5_report_descr; 226 break; 227 default: 228 /* Keep descriptor */ 229 break; 230 } 231 } 232 233 if (descptr) { 234 desc = malloc(size, M_USBDEV, M_NOWAIT); 235 if (desc == NULL) 236 err = USBD_NOMEM; 237 else { 238 err = USBD_NORMAL_COMPLETION; 239 memcpy(desc, descptr, size); 240 } 241 } else { 242 desc = NULL; 243 err = usbd_read_report_desc(uaa->iface, &desc, &size, M_USBDEV); 244 } 245 if (err) { 246 printf("%s: no report descriptor\n", sc->sc_dev.dv_xname); 247 sc->sc_dying = 1; 248 return; 249 } 250 251 sc->sc_repdesc = desc; 252 sc->sc_repdesc_size = size; 253 254 uha.uaa = uaa; 255 nrepid = uhidev_maxrepid(desc, size); 256 if (nrepid < 0) 257 return; 258 if (nrepid > 0) 259 printf("%s: %d report ids\n", sc->sc_dev.dv_xname, nrepid); 260 nrepid++; 261 sc->sc_subdevs = malloc(nrepid * sizeof(struct device *), 262 M_USBDEV, M_NOWAIT | M_ZERO); 263 if (sc->sc_subdevs == NULL) { 264 printf("%s: no memory\n", sc->sc_dev.dv_xname); 265 return; 266 } 267 sc->sc_nrepid = nrepid; 268 sc->sc_isize = 0; 269 270 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 271 &sc->sc_dev); 272 273 for (repid = 0; repid < nrepid; repid++) { 274 repsz = hid_report_size(desc, size, hid_input, repid); 275 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 276 repsizes[repid] = repsz; 277 if (repsz > 0) { 278 if (repsz > sc->sc_isize) 279 sc->sc_isize = repsz; 280 } 281 } 282 sc->sc_isize += nrepid != 1; /* space for report ID */ 283 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 284 285 uha.parent = sc; 286 for (repid = 0; repid < nrepid; repid++) { 287 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 288 if (hid_report_size(desc, size, hid_input, repid) == 0 && 289 hid_report_size(desc, size, hid_output, repid) == 0 && 290 hid_report_size(desc, size, hid_feature, repid) == 0) { 291 ; /* already NULL in sc->sc_subdevs[repid] */ 292 } else { 293 uha.reportid = repid; 294 dev = (struct uhidev *)config_found_sm(self, &uha, 295 uhidevprint, uhidevsubmatch); 296 sc->sc_subdevs[repid] = dev; 297 if (dev != NULL) { 298 dev->sc_in_rep_size = repsizes[repid]; 299 #ifdef DIAGNOSTIC 300 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 301 repid, dev)); 302 if (dev->sc_intr == NULL) { 303 printf("%s: sc_intr == NULL\n", 304 sc->sc_dev.dv_xname); 305 return; 306 } 307 #endif 308 } 309 } 310 } 311 } 312 313 int 314 uhidev_maxrepid(void *buf, int len) 315 { 316 struct hid_data *d; 317 struct hid_item h; 318 int maxid; 319 320 maxid = -1; 321 h.report_ID = 0; 322 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 323 if (h.report_ID > maxid) 324 maxid = h.report_ID; 325 hid_end_parse(d); 326 return (maxid); 327 } 328 329 int 330 uhidevprint(void *aux, const char *pnp) 331 { 332 struct uhidev_attach_arg *uha = aux; 333 334 if (pnp) 335 printf("uhid at %s", pnp); 336 if (uha->reportid != 0) 337 printf(" reportid %d", uha->reportid); 338 return (UNCONF); 339 } 340 341 int uhidevsubmatch(struct device *parent, void *match, void *aux) 342 { 343 struct uhidev_attach_arg *uha = aux; 344 struct cfdata *cf = match; 345 346 if (cf->uhidevcf_reportid != UHIDEV_UNK_REPORTID && 347 cf->uhidevcf_reportid != uha->reportid) 348 return (0); 349 if (cf->uhidevcf_reportid == uha->reportid) 350 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 351 else 352 uha->matchlvl = 0; 353 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 354 } 355 356 int 357 uhidev_activate(struct device *self, enum devact act) 358 { 359 struct uhidev_softc *sc = (struct uhidev_softc *)self; 360 int i, rv = 0; 361 362 switch (act) { 363 case DVACT_ACTIVATE: 364 break; 365 366 case DVACT_DEACTIVATE: 367 for (i = 0; i < sc->sc_nrepid; i++) 368 if (sc->sc_subdevs[i] != NULL) 369 rv |= config_deactivate( 370 &sc->sc_subdevs[i]->sc_dev); 371 sc->sc_dying = 1; 372 break; 373 } 374 return (rv); 375 } 376 377 int 378 uhidev_detach(struct device *self, int flags) 379 { 380 struct uhidev_softc *sc = (struct uhidev_softc *)self; 381 int i, rv; 382 383 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 384 385 sc->sc_dying = 1; 386 if (sc->sc_ipipe != NULL) 387 usbd_abort_pipe(sc->sc_ipipe); 388 389 if (sc->sc_repdesc != NULL) 390 free(sc->sc_repdesc, M_USBDEV); 391 392 rv = 0; 393 for (i = 0; i < sc->sc_nrepid; i++) { 394 if (sc->sc_subdevs[i] != NULL) { 395 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 396 sc->sc_subdevs[i] = NULL; 397 } 398 } 399 400 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 401 &sc->sc_dev); 402 403 return (rv); 404 } 405 406 void 407 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 408 { 409 struct uhidev_softc *sc = addr; 410 struct uhidev *scd; 411 u_char *p; 412 u_int rep; 413 u_int32_t cc; 414 415 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 416 417 #ifdef UHIDEV_DEBUG 418 if (uhidevdebug > 5) { 419 u_int32_t i; 420 421 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 422 DPRINTF(("uhidev_intr: data =")); 423 for (i = 0; i < cc; i++) 424 DPRINTF((" %02x", sc->sc_ibuf[i])); 425 DPRINTF(("\n")); 426 } 427 #endif 428 429 if (status == USBD_CANCELLED) 430 return; 431 432 if (status != USBD_NORMAL_COMPLETION) { 433 DPRINTF(("%s: interrupt status=%d\n", sc->sc_dev.dv_xname, 434 status)); 435 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 436 return; 437 } 438 439 p = sc->sc_ibuf; 440 if (sc->sc_nrepid != 1) 441 rep = *p++, cc--; 442 else 443 rep = 0; 444 if (rep >= sc->sc_nrepid) { 445 printf("uhidev_intr: bad repid %d\n", rep); 446 return; 447 } 448 scd = sc->sc_subdevs[rep]; 449 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 450 rep, scd, scd ? scd->sc_state : 0)); 451 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 452 return; 453 #ifdef UHIDEV_DEBUG 454 if (scd->sc_in_rep_size != cc) 455 printf("%s: bad input length %d != %d\n",sc->sc_dev.dv_xname, 456 scd->sc_in_rep_size, cc); 457 #endif 458 scd->sc_intr(scd, p, cc); 459 } 460 461 void 462 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 463 { 464 *desc = sc->sc_repdesc; 465 *size = sc->sc_repdesc_size; 466 } 467 468 int 469 uhidev_open(struct uhidev *scd) 470 { 471 struct uhidev_softc *sc = scd->sc_parent; 472 usbd_status err; 473 int error; 474 475 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 476 scd->sc_state, sc->sc_refcnt)); 477 478 if (scd->sc_state & UHIDEV_OPEN) 479 return (EBUSY); 480 scd->sc_state |= UHIDEV_OPEN; 481 if (sc->sc_refcnt++) 482 return (0); 483 484 if (sc->sc_isize == 0) 485 return (0); 486 487 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 488 489 /* Set up input interrupt pipe. */ 490 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 491 sc->sc_iep_addr)); 492 493 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 494 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 495 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 496 if (err != USBD_NORMAL_COMPLETION) { 497 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 498 "error=%d\n", err)); 499 error = EIO; 500 goto out1; 501 } 502 503 DPRINTF(("uhidev_open: sc->sc_ipipe=%p\n", sc->sc_ipipe)); 504 505 sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev); 506 if (sc->sc_ixfer == NULL) { 507 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 508 error = ENOMEM; 509 goto out1; // xxxx 510 } 511 512 /* 513 * Set up output interrupt pipe if an output interrupt endpoint 514 * exists. 515 */ 516 if (sc->sc_oep_addr != -1) { 517 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 518 519 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 520 0, &sc->sc_opipe); 521 522 if (err != USBD_NORMAL_COMPLETION) { 523 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 524 "error=%d\n", err)); 525 error = EIO; 526 goto out2; 527 } 528 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 529 530 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 531 if (sc->sc_oxfer == NULL) { 532 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 533 error = ENOMEM; 534 goto out3; 535 } 536 537 sc->sc_owxfer = usbd_alloc_xfer(sc->sc_udev); 538 if (sc->sc_owxfer == NULL) { 539 DPRINTF(("uhidev_open: couldn't allocate owxfer\n")); 540 error = ENOMEM; 541 goto out3; 542 } 543 } 544 545 return (0); 546 547 out3: 548 /* Abort output pipe */ 549 usbd_close_pipe(sc->sc_opipe); 550 out2: 551 /* Abort input pipe */ 552 usbd_close_pipe(sc->sc_ipipe); 553 out1: 554 DPRINTF(("uhidev_open: failed in someway")); 555 free(sc->sc_ibuf, M_USBDEV); 556 scd->sc_state &= ~UHIDEV_OPEN; 557 sc->sc_refcnt = 0; 558 sc->sc_ipipe = NULL; 559 sc->sc_opipe = NULL; 560 if (sc->sc_oxfer != NULL) { 561 usbd_free_xfer(sc->sc_oxfer); 562 sc->sc_oxfer = NULL; 563 } 564 if (sc->sc_owxfer != NULL) { 565 usbd_free_xfer(sc->sc_owxfer); 566 sc->sc_owxfer = NULL; 567 } 568 return (error); 569 } 570 571 void 572 uhidev_close(struct uhidev *scd) 573 { 574 struct uhidev_softc *sc = scd->sc_parent; 575 576 if (!(scd->sc_state & UHIDEV_OPEN)) 577 return; 578 scd->sc_state &= ~UHIDEV_OPEN; 579 if (--sc->sc_refcnt) 580 return; 581 DPRINTF(("uhidev_close: close pipe\n")); 582 583 if (sc->sc_oxfer != NULL) 584 usbd_free_xfer(sc->sc_oxfer); 585 586 if (sc->sc_owxfer != NULL) 587 usbd_free_xfer(sc->sc_owxfer); 588 589 /* Disable interrupts. */ 590 if (sc->sc_opipe != NULL) { 591 usbd_abort_pipe(sc->sc_opipe); 592 usbd_close_pipe(sc->sc_opipe); 593 sc->sc_opipe = NULL; 594 } 595 596 if (sc->sc_ipipe != NULL) { 597 usbd_abort_pipe(sc->sc_ipipe); 598 usbd_close_pipe(sc->sc_ipipe); 599 sc->sc_ipipe = NULL; 600 } 601 602 if (sc->sc_ibuf != NULL) { 603 free(sc->sc_ibuf, M_USBDEV); 604 sc->sc_ibuf = NULL; 605 } 606 } 607 608 usbd_status 609 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 610 { 611 char *buf; 612 usbd_status retstat; 613 614 if (scd->sc_report_id == 0) 615 return usbd_set_report(scd->sc_parent->sc_iface, type, 616 scd->sc_report_id, data, len); 617 618 buf = malloc(len + 1, M_TEMP, M_WAITOK); 619 buf[0] = scd->sc_report_id; 620 memcpy(buf+1, data, len); 621 622 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 623 scd->sc_report_id, data, len + 1); 624 625 free(buf, M_TEMP); 626 627 return retstat; 628 } 629 630 void 631 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 632 { 633 /* XXX */ 634 char buf[100]; 635 if (scd->sc_report_id) { 636 buf[0] = scd->sc_report_id; 637 memcpy(buf+1, data, len); 638 len++; 639 data = buf; 640 } 641 642 usbd_set_report_async(scd->sc_parent->sc_iface, type, 643 scd->sc_report_id, data, len); 644 } 645 646 usbd_status 647 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 648 { 649 return usbd_get_report(scd->sc_parent->sc_iface, type, 650 scd->sc_report_id, data, len); 651 } 652 653 usbd_status 654 uhidev_write(struct uhidev_softc *sc, void *data, int len) 655 { 656 657 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 658 659 if (sc->sc_opipe == NULL) 660 return USBD_INVAL; 661 662 #ifdef UHIDEV_DEBUG 663 if (uhidevdebug > 50) { 664 665 u_int32_t i; 666 u_int8_t *d = data; 667 668 DPRINTF(("uhidev_write: data =")); 669 for (i = 0; i < len; i++) 670 DPRINTF((" %02x", d[i])); 671 DPRINTF(("\n")); 672 } 673 #endif 674 return usbd_intr_transfer(sc->sc_owxfer, sc->sc_opipe, 0, 675 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 676 } 677