1 /* $NetBSD: uhidev.c,v 1.48 2010/11/03 22:34:24 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 1.48 2010/11/03 22:34:24 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) printf x 67 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf 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 int 89 uhidev_match(device_t parent, cfdata_t match, void *aux) 90 { 91 struct usbif_attach_arg *uaa = aux; 92 93 if (uaa->class != UICLASS_HID) 94 return (UMATCH_NONE); 95 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 96 return (UMATCH_NONE); 97 return (UMATCH_IFACECLASS_GENERIC); 98 } 99 100 void 101 uhidev_attach(device_t parent, device_t self, void *aux) 102 { 103 struct uhidev_softc *sc = device_private(self); 104 struct usbif_attach_arg *uaa = aux; 105 usbd_interface_handle iface = uaa->iface; 106 usb_interface_descriptor_t *id; 107 usb_endpoint_descriptor_t *ed; 108 struct uhidev_attach_arg uha; 109 device_t dev; 110 struct uhidev *csc; 111 int maxinpktsize, size, nrepid, repid, repsz; 112 int *repsizes; 113 int i; 114 void *desc; 115 const void *descptr; 116 usbd_status err; 117 char *devinfop; 118 int locs[UHIDBUSCF_NLOCS]; 119 120 sc->sc_dev = self; 121 sc->sc_udev = uaa->device; 122 sc->sc_iface = iface; 123 124 aprint_naive("\n"); 125 aprint_normal("\n"); 126 127 id = usbd_get_interface_descriptor(iface); 128 129 devinfop = usbd_devinfo_alloc(uaa->device, 0); 130 aprint_normal_dev(self, "%s, iclass %d/%d\n", 131 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 132 usbd_devinfo_free(devinfop); 133 134 if (!pmf_device_register(self, NULL, NULL)) 135 aprint_error_dev(self, "couldn't establish power handler\n"); 136 137 (void)usbd_set_idle(iface, 0, 0); 138 #if 0 139 140 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 141 if ((qflags & UQ_NO_SET_PROTO) == 0 && 142 id->bInterfaceSubClass != UISUBCLASS_BOOT) 143 (void)usbd_set_protocol(iface, 1); 144 #endif 145 146 maxinpktsize = 0; 147 sc->sc_iep_addr = sc->sc_oep_addr = -1; 148 for (i = 0; i < id->bNumEndpoints; i++) { 149 ed = usbd_interface2endpoint_descriptor(iface, i); 150 if (ed == NULL) { 151 aprint_error_dev(self, 152 "could not read endpoint descriptor\n"); 153 sc->sc_dying = 1; 154 return; 155 } 156 157 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 158 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 159 " bInterval=%d\n", 160 ed->bLength, ed->bDescriptorType, 161 ed->bEndpointAddress & UE_ADDR, 162 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 163 ed->bmAttributes & UE_XFERTYPE, 164 UGETW(ed->wMaxPacketSize), ed->bInterval)); 165 166 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 167 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 168 maxinpktsize = UGETW(ed->wMaxPacketSize); 169 sc->sc_iep_addr = ed->bEndpointAddress; 170 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 171 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 172 sc->sc_oep_addr = ed->bEndpointAddress; 173 } else { 174 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 175 } 176 } 177 178 /* 179 * Check that we found an input interrupt endpoint. The output interrupt 180 * endpoint is optional 181 */ 182 if (sc->sc_iep_addr == -1) { 183 aprint_error_dev(self, "no input interrupt endpoint\n"); 184 sc->sc_dying = 1; 185 return; 186 } 187 188 /* XXX need to extend this */ 189 descptr = NULL; 190 if (uaa->vendor == USB_VENDOR_WACOM) { 191 static uByte reportbuf[] = {2, 2, 2}; 192 193 /* The report descriptor for the Wacom Graphire is broken. */ 194 switch (uaa->product) { 195 case USB_PRODUCT_WACOM_GRAPHIRE: 196 size = sizeof uhid_graphire_report_descr; 197 descptr = uhid_graphire_report_descr; 198 break; 199 200 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 201 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 202 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 203 /* 204 * The Graphire3 needs 0x0202 to be written to 205 * feature report ID 2 before it'll start 206 * returning digitizer data. 207 */ 208 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 209 &reportbuf, sizeof reportbuf); 210 211 size = sizeof uhid_graphire3_4x5_report_descr; 212 descptr = uhid_graphire3_4x5_report_descr; 213 break; 214 default: 215 /* Keep descriptor */ 216 break; 217 } 218 } 219 220 if (descptr) { 221 desc = malloc(size, M_USBDEV, M_NOWAIT); 222 if (desc == NULL) 223 err = USBD_NOMEM; 224 else { 225 err = USBD_NORMAL_COMPLETION; 226 memcpy(desc, descptr, size); 227 } 228 } else { 229 desc = NULL; 230 err = usbd_read_report_desc(uaa->iface, &desc, &size, 231 M_USBDEV); 232 } 233 if (err) { 234 aprint_error_dev(self, "no report descriptor\n"); 235 sc->sc_dying = 1; 236 return; 237 } 238 239 if (uaa->vendor == USB_VENDOR_HOSIDEN && 240 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 241 static uByte reportbuf[] = { 1 }; 242 /* 243 * This device was sold by Konami with its ParaParaParadise 244 * game for PlayStation2. It needs to be "turned on" 245 * before it will send any reports. 246 */ 247 248 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 249 &reportbuf, sizeof reportbuf); 250 } 251 252 if (uaa->vendor == USB_VENDOR_LOGITECH && 253 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 254 uint8_t *data = desc; 255 /* 256 * This device has a odd USAGE_MINIMUM value that would 257 * cause the multimedia keys to have their usage number 258 * shifted up one usage. Adjust so the usages are sane. 259 */ 260 261 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 262 data[0x58] == 0x2a && data[0x59] == 0x8c) 263 data[0x57] = 0x00; 264 } 265 266 sc->sc_repdesc = desc; 267 sc->sc_repdesc_size = size; 268 269 uha.uaa = uaa; 270 nrepid = uhidev_maxrepid(desc, size); 271 if (nrepid < 0) 272 return; 273 if (nrepid > 0) 274 aprint_normal_dev(self, "%d report ids\n", nrepid); 275 nrepid++; 276 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 277 if (repsizes == NULL) 278 goto nomem; 279 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 280 M_USBDEV, M_NOWAIT | M_ZERO); 281 if (sc->sc_subdevs == NULL) { 282 free(repsizes, M_TEMP); 283 nomem: 284 aprint_error_dev(self, "no memory\n"); 285 return; 286 } 287 288 /* Just request max packet size for the interrupt pipe */ 289 sc->sc_isize = maxinpktsize; 290 sc->sc_nrepid = nrepid; 291 292 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 293 sc->sc_dev); 294 295 for (repid = 0; repid < nrepid; repid++) { 296 repsz = hid_report_size(desc, size, hid_input, repid); 297 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 298 repsizes[repid] = repsz; 299 } 300 301 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 302 303 uha.parent = sc; 304 for (repid = 0; repid < nrepid; repid++) { 305 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 306 if (hid_report_size(desc, size, hid_input, repid) == 0 && 307 hid_report_size(desc, size, hid_output, repid) == 0 && 308 hid_report_size(desc, size, hid_feature, repid) == 0) { 309 ; /* already NULL in sc->sc_subdevs[repid] */ 310 } else { 311 uha.reportid = repid; 312 locs[UHIDBUSCF_REPORTID] = repid; 313 314 dev = config_found_sm_loc(self, 315 "uhidbus", locs, &uha, 316 uhidevprint, config_stdsubmatch); 317 sc->sc_subdevs[repid] = dev; 318 if (dev != NULL) { 319 csc = device_private(dev); 320 csc->sc_in_rep_size = repsizes[repid]; 321 #ifdef DIAGNOSTIC 322 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 323 repid, dev)); 324 if (csc->sc_intr == NULL) { 325 free(repsizes, M_TEMP); 326 aprint_error_dev(self, 327 "sc_intr == NULL\n"); 328 return; 329 } 330 #endif 331 #if NRND > 0 332 rnd_attach_source(&csc->rnd_source, 333 device_xname(dev), 334 RND_TYPE_TTY, 0); 335 #endif 336 } 337 } 338 } 339 free(repsizes, M_TEMP); 340 341 return; 342 } 343 344 int 345 uhidev_maxrepid(void *buf, int len) 346 { 347 struct hid_data *d; 348 struct hid_item h; 349 int maxid; 350 351 maxid = -1; 352 h.report_ID = 0; 353 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 354 if (h.report_ID > maxid) 355 maxid = h.report_ID; 356 hid_end_parse(d); 357 return (maxid); 358 } 359 360 int 361 uhidevprint(void *aux, const char *pnp) 362 { 363 struct uhidev_attach_arg *uha = aux; 364 365 if (pnp) 366 aprint_normal("uhid at %s", pnp); 367 if (uha->reportid != 0) 368 aprint_normal(" reportid %d", uha->reportid); 369 return (UNCONF); 370 } 371 372 int 373 uhidev_activate(device_t self, enum devact act) 374 { 375 struct uhidev_softc *sc = device_private(self); 376 377 switch (act) { 378 case DVACT_DEACTIVATE: 379 sc->sc_dying = 1; 380 return 0; 381 default: 382 return EOPNOTSUPP; 383 } 384 } 385 386 void 387 uhidev_childdet(device_t self, device_t child) 388 { 389 int i; 390 struct uhidev_softc *sc = device_private(self); 391 392 for (i = 0; i < sc->sc_nrepid; i++) { 393 if (sc->sc_subdevs[i] == child) 394 break; 395 } 396 KASSERT(i < sc->sc_nrepid); 397 sc->sc_subdevs[i] = NULL; 398 } 399 400 int 401 uhidev_detach(device_t self, int flags) 402 { 403 struct uhidev_softc *sc = device_private(self); 404 int i, rv; 405 #if NRND > 0 406 struct uhidev *csc; 407 #endif 408 409 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 410 411 sc->sc_dying = 1; 412 if (sc->sc_ipipe != NULL) 413 usbd_abort_pipe(sc->sc_ipipe); 414 415 if (sc->sc_repdesc != NULL) 416 free(sc->sc_repdesc, M_USBDEV); 417 418 rv = 0; 419 for (i = 0; i < sc->sc_nrepid; i++) { 420 if (sc->sc_subdevs[i] != NULL) { 421 #if NRND > 0 422 csc = device_private(sc->sc_subdevs[i]); 423 rnd_detach_source(&csc->rnd_source); 424 #endif 425 rv |= config_detach(sc->sc_subdevs[i], flags); 426 } 427 } 428 429 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 430 sc->sc_dev); 431 432 pmf_device_deregister(self); 433 434 return (rv); 435 } 436 437 void 438 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 439 { 440 struct uhidev_softc *sc = addr; 441 device_t cdev; 442 struct uhidev *scd; 443 u_char *p; 444 u_int rep; 445 u_int32_t cc; 446 447 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 448 449 #ifdef UHIDEV_DEBUG 450 if (uhidevdebug > 5) { 451 u_int32_t i; 452 453 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 454 DPRINTF(("uhidev_intr: data =")); 455 for (i = 0; i < cc; i++) 456 DPRINTF((" %02x", sc->sc_ibuf[i])); 457 DPRINTF(("\n")); 458 } 459 #endif 460 461 if (status == USBD_CANCELLED) 462 return; 463 464 if (status != USBD_NORMAL_COMPLETION) { 465 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 466 status)); 467 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 468 return; 469 } 470 471 p = sc->sc_ibuf; 472 if (sc->sc_nrepid != 1) 473 rep = *p++, cc--; 474 else 475 rep = 0; 476 if (rep >= sc->sc_nrepid) { 477 printf("uhidev_intr: bad repid %d\n", rep); 478 return; 479 } 480 cdev = sc->sc_subdevs[rep]; 481 if (!cdev) 482 return; 483 scd = device_private(cdev); 484 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 485 rep, scd, scd ? scd->sc_state : 0)); 486 if (!(scd->sc_state & UHIDEV_OPEN)) 487 return; 488 #ifdef UHIDEV_DEBUG 489 if (scd->sc_in_rep_size != cc) { 490 DPRINTF(("%s: expected %d bytes, got %d\n", 491 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 492 } 493 #endif 494 if (cc == 0) { 495 DPRINTF(("%s: 0-length input ignored\n", 496 device_xname(sc->sc_dev))); 497 return; 498 } 499 #if NRND > 0 500 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 501 #endif 502 scd->sc_intr(scd, p, cc); 503 } 504 505 void 506 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 507 { 508 *desc = sc->sc_repdesc; 509 *size = sc->sc_repdesc_size; 510 } 511 512 int 513 uhidev_open(struct uhidev *scd) 514 { 515 struct uhidev_softc *sc = scd->sc_parent; 516 usbd_status err; 517 int error; 518 519 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 520 scd->sc_state, sc->sc_refcnt)); 521 522 if (scd->sc_state & UHIDEV_OPEN) 523 return (EBUSY); 524 scd->sc_state |= UHIDEV_OPEN; 525 if (sc->sc_refcnt++) 526 return (0); 527 528 if (sc->sc_isize == 0) 529 return (0); 530 531 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 532 533 /* Set up input interrupt pipe. */ 534 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 535 sc->sc_iep_addr)); 536 537 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 538 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 539 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 540 if (err != USBD_NORMAL_COMPLETION) { 541 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 542 "error=%d\n", err)); 543 error = EIO; 544 goto out1; 545 } 546 547 /* 548 * Set up output interrupt pipe if an output interrupt endpoint 549 * exists. 550 */ 551 if (sc->sc_oep_addr != -1) { 552 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 553 554 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 555 0, &sc->sc_opipe); 556 557 if (err != USBD_NORMAL_COMPLETION) { 558 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 559 "error=%d\n", err)); 560 error = EIO; 561 goto out2; 562 } 563 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 564 565 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 566 if (sc->sc_oxfer == NULL) { 567 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 568 error = ENOMEM; 569 goto out3; 570 } 571 } 572 573 return (0); 574 out3: 575 /* Abort output pipe */ 576 usbd_close_pipe(sc->sc_opipe); 577 out2: 578 /* Abort input pipe */ 579 usbd_close_pipe(sc->sc_ipipe); 580 out1: 581 DPRINTF(("uhidev_open: failed in someway")); 582 free(sc->sc_ibuf, M_USBDEV); 583 scd->sc_state &= ~UHIDEV_OPEN; 584 sc->sc_refcnt = 0; 585 sc->sc_ipipe = NULL; 586 sc->sc_opipe = NULL; 587 sc->sc_oxfer = NULL; 588 return error; 589 } 590 591 void 592 uhidev_close(struct uhidev *scd) 593 { 594 struct uhidev_softc *sc = scd->sc_parent; 595 596 if (!(scd->sc_state & UHIDEV_OPEN)) 597 return; 598 scd->sc_state &= ~UHIDEV_OPEN; 599 if (--sc->sc_refcnt) 600 return; 601 DPRINTF(("uhidev_close: close pipe\n")); 602 603 if (sc->sc_oxfer != NULL) 604 usbd_free_xfer(sc->sc_oxfer); 605 606 /* Disable interrupts. */ 607 if (sc->sc_opipe != NULL) { 608 usbd_abort_pipe(sc->sc_opipe); 609 usbd_close_pipe(sc->sc_opipe); 610 sc->sc_opipe = NULL; 611 } 612 613 if (sc->sc_ipipe != NULL) { 614 usbd_abort_pipe(sc->sc_ipipe); 615 usbd_close_pipe(sc->sc_ipipe); 616 sc->sc_ipipe = NULL; 617 } 618 619 if (sc->sc_ibuf != NULL) { 620 free(sc->sc_ibuf, M_USBDEV); 621 sc->sc_ibuf = NULL; 622 } 623 } 624 625 usbd_status 626 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 627 { 628 char *buf; 629 usbd_status retstat; 630 631 if (scd->sc_report_id == 0) 632 return usbd_set_report(scd->sc_parent->sc_iface, type, 633 scd->sc_report_id, data, len); 634 635 buf = malloc(len + 1, M_TEMP, M_WAITOK); 636 buf[0] = scd->sc_report_id; 637 memcpy(buf+1, data, len); 638 639 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 640 scd->sc_report_id, buf, len + 1); 641 642 free(buf, M_TEMP); 643 644 return retstat; 645 } 646 647 void 648 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 649 { 650 /* XXX */ 651 char buf[100]; 652 if (scd->sc_report_id) { 653 buf[0] = scd->sc_report_id; 654 memcpy(buf+1, data, len); 655 len++; 656 data = buf; 657 } 658 659 usbd_set_report_async(scd->sc_parent->sc_iface, type, 660 scd->sc_report_id, data, len); 661 } 662 663 usbd_status 664 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 665 { 666 return usbd_get_report(scd->sc_parent->sc_iface, type, 667 scd->sc_report_id, data, len); 668 } 669 670 usbd_status 671 uhidev_write(struct uhidev_softc *sc, void *data, int len) 672 { 673 674 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 675 676 if (sc->sc_opipe == NULL) 677 return USBD_INVAL; 678 679 #ifdef UHIDEV_DEBUG 680 if (uhidevdebug > 50) { 681 682 u_int32_t i; 683 u_int8_t *d = data; 684 685 DPRINTF(("uhidev_write: data =")); 686 for (i = 0; i < len; i++) 687 DPRINTF((" %02x", d[i])); 688 DPRINTF(("\n")); 689 } 690 #endif 691 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 692 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 693 } 694