1 /* $NetBSD: uhidev.c,v 1.39 2008/02/18 05:24:24 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 * 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 1.39 2008/02/18 05:24:24 dyoung 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 int uhidev_match(device_t, struct cfdata *, void *); 87 void uhidev_attach(device_t, device_t, void *); 88 void uhidev_childdet(device_t, device_t); 89 int uhidev_detach(device_t, int); 90 int uhidev_activate(device_t, enum devact); 91 extern struct cfdriver uhidev_cd; 92 CFATTACH_DECL2(uhidev, sizeof(struct uhidev_softc), uhidev_match, 93 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 94 95 USB_MATCH(uhidev) 96 { 97 USB_IFMATCH_START(uhidev, uaa); 98 99 if (uaa->class != UICLASS_HID) 100 return (UMATCH_NONE); 101 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 102 return (UMATCH_NONE); 103 return (UMATCH_IFACECLASS_GENERIC); 104 } 105 106 USB_ATTACH(uhidev) 107 { 108 USB_IFATTACH_START(uhidev, sc, uaa); 109 usbd_interface_handle iface = uaa->iface; 110 usb_interface_descriptor_t *id; 111 usb_endpoint_descriptor_t *ed; 112 struct uhidev_attach_arg uha; 113 struct uhidev *dev; 114 int size, nrepid, repid, repsz; 115 int *repsizes; 116 int i; 117 void *desc; 118 const void *descptr; 119 usbd_status err; 120 char *devinfop; 121 int locs[UHIDBUSCF_NLOCS]; 122 123 sc->sc_udev = uaa->device; 124 sc->sc_iface = iface; 125 id = usbd_get_interface_descriptor(iface); 126 127 devinfop = usbd_devinfo_alloc(uaa->device, 0); 128 USB_ATTACH_SETUP; 129 aprint_normal("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 130 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 131 usbd_devinfo_free(devinfop); 132 133 if (!pmf_device_register(self, NULL, NULL)) 134 aprint_error_dev(self, "couldn't establish power handler\n"); 135 136 (void)usbd_set_idle(iface, 0, 0); 137 #if 0 138 139 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 140 if ((qflags & UQ_NO_SET_PROTO) == 0 && 141 id->bInterfaceSubClass != UISUBCLASS_BOOT) 142 (void)usbd_set_protocol(iface, 1); 143 #endif 144 145 sc->sc_iep_addr = sc->sc_oep_addr = -1; 146 for (i = 0; i < id->bNumEndpoints; i++) { 147 ed = usbd_interface2endpoint_descriptor(iface, i); 148 if (ed == NULL) { 149 aprint_error("%s: could not read endpoint descriptor\n", 150 USBDEVNAME(sc->sc_dev)); 151 sc->sc_dying = 1; 152 USB_ATTACH_ERROR_RETURN; 153 } 154 155 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 156 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 157 " bInterval=%d\n", 158 ed->bLength, ed->bDescriptorType, 159 ed->bEndpointAddress & UE_ADDR, 160 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 161 ed->bmAttributes & UE_XFERTYPE, 162 UGETW(ed->wMaxPacketSize), ed->bInterval)); 163 164 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 165 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 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("%s: endpoint %d: ignored\n", 172 USBDEVNAME(sc->sc_dev), i); 173 } 174 } 175 176 /* 177 * Check that we found an input interrupt endpoint. The output interrupt 178 * endpoint is optional 179 */ 180 if (sc->sc_iep_addr == -1) { 181 aprint_error("%s: no input interrupt endpoint\n", 182 USBDEVNAME(sc->sc_dev)); 183 sc->sc_dying = 1; 184 USB_ATTACH_ERROR_RETURN; 185 } 186 187 /* XXX need to extend this */ 188 descptr = NULL; 189 if (uaa->vendor == USB_VENDOR_WACOM) { 190 static uByte reportbuf[] = {2, 2, 2}; 191 192 /* The report descriptor for the Wacom Graphire is broken. */ 193 switch (uaa->product) { 194 case USB_PRODUCT_WACOM_GRAPHIRE: 195 size = sizeof uhid_graphire_report_descr; 196 descptr = uhid_graphire_report_descr; 197 break; 198 199 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 200 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 201 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 202 /* 203 * The Graphire3 needs 0x0202 to be written to 204 * feature report ID 2 before it'll start 205 * returning digitizer data. 206 */ 207 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 208 &reportbuf, sizeof reportbuf); 209 210 size = sizeof uhid_graphire3_4x5_report_descr; 211 descptr = uhid_graphire3_4x5_report_descr; 212 break; 213 default: 214 /* Keep descriptor */ 215 break; 216 } 217 } 218 219 if (descptr) { 220 desc = malloc(size, M_USBDEV, M_NOWAIT); 221 if (desc == NULL) 222 err = USBD_NOMEM; 223 else { 224 err = USBD_NORMAL_COMPLETION; 225 memcpy(desc, descptr, size); 226 } 227 } else { 228 desc = NULL; 229 err = usbd_read_report_desc(uaa->iface, &desc, &size, 230 M_USBDEV); 231 } 232 if (err) { 233 aprint_error("%s: no report descriptor\n", 234 USBDEVNAME(sc->sc_dev)); 235 sc->sc_dying = 1; 236 USB_ATTACH_ERROR_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 sc->sc_repdesc = desc; 253 sc->sc_repdesc_size = size; 254 255 uha.uaa = uaa; 256 nrepid = uhidev_maxrepid(desc, size); 257 if (nrepid < 0) 258 USB_ATTACH_SUCCESS_RETURN; 259 if (nrepid > 0) 260 aprint_normal("%s: %d report ids\n", 261 USBDEVNAME(sc->sc_dev), nrepid); 262 nrepid++; 263 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 264 if (repsizes == NULL) 265 goto nomem; 266 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 267 M_USBDEV, M_NOWAIT | M_ZERO); 268 if (sc->sc_subdevs == NULL) { 269 free(repsizes, M_TEMP); 270 nomem: 271 aprint_error("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 272 USB_ATTACH_ERROR_RETURN; 273 } 274 sc->sc_nrepid = nrepid; 275 sc->sc_isize = 0; 276 277 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 278 USBDEV(sc->sc_dev)); 279 280 for (repid = 0; repid < nrepid; repid++) { 281 repsz = hid_report_size(desc, size, hid_input, repid); 282 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 283 repsizes[repid] = repsz; 284 if (repsz > 0) { 285 if (repsz > sc->sc_isize) 286 sc->sc_isize = repsz; 287 } 288 } 289 sc->sc_isize += nrepid != 1; /* space for report ID */ 290 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 291 292 uha.parent = sc; 293 for (repid = 0; repid < nrepid; repid++) { 294 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 295 if (hid_report_size(desc, size, hid_input, repid) == 0 && 296 hid_report_size(desc, size, hid_output, repid) == 0 && 297 hid_report_size(desc, size, hid_feature, repid) == 0) { 298 ; /* already NULL in sc->sc_subdevs[repid] */ 299 } else { 300 uha.reportid = repid; 301 locs[UHIDBUSCF_REPORTID] = repid; 302 303 dev = (struct uhidev *)config_found_sm_loc(self, 304 "uhidbus", locs, &uha, 305 uhidevprint, config_stdsubmatch); 306 sc->sc_subdevs[repid] = dev; 307 if (dev != NULL) { 308 dev->sc_in_rep_size = repsizes[repid]; 309 #ifdef DIAGNOSTIC 310 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 311 repid, dev)); 312 if (dev->sc_intr == NULL) { 313 free(repsizes, M_TEMP); 314 printf("%s: sc_intr == NULL\n", 315 USBDEVNAME(sc->sc_dev)); 316 USB_ATTACH_ERROR_RETURN; 317 } 318 #endif 319 #if NRND > 0 320 rnd_attach_source(&dev->rnd_source, 321 USBDEVNAME(dev->sc_dev), 322 RND_TYPE_TTY, 0); 323 #endif 324 } 325 } 326 } 327 free(repsizes, M_TEMP); 328 329 USB_ATTACH_SUCCESS_RETURN; 330 } 331 332 int 333 uhidev_maxrepid(void *buf, int len) 334 { 335 struct hid_data *d; 336 struct hid_item h; 337 int maxid; 338 339 maxid = -1; 340 h.report_ID = 0; 341 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 342 if (h.report_ID > maxid) 343 maxid = h.report_ID; 344 hid_end_parse(d); 345 return (maxid); 346 } 347 348 int 349 uhidevprint(void *aux, const char *pnp) 350 { 351 struct uhidev_attach_arg *uha = aux; 352 353 if (pnp) 354 aprint_normal("uhid at %s", pnp); 355 if (uha->reportid != 0) 356 aprint_normal(" reportid %d", uha->reportid); 357 return (UNCONF); 358 } 359 360 int 361 uhidev_activate(device_t self, enum devact act) 362 { 363 struct uhidev_softc *sc = device_private(self); 364 int i, rv; 365 366 switch (act) { 367 case DVACT_ACTIVATE: 368 return (EOPNOTSUPP); 369 370 case DVACT_DEACTIVATE: 371 rv = 0; 372 for (i = 0; i < sc->sc_nrepid; i++) 373 if (sc->sc_subdevs[i] != NULL) 374 rv |= config_deactivate( 375 &sc->sc_subdevs[i]->sc_dev); 376 sc->sc_dying = 1; 377 break; 378 default: 379 rv = 0; 380 break; 381 } 382 return (rv); 383 } 384 385 void 386 uhidev_childdet(device_t self, device_t child) 387 { 388 int i; 389 struct uhidev_softc *sc = device_private(self); 390 391 for (i = 0; i < sc->sc_nrepid; i++) { 392 if (&sc->sc_subdevs[i]->sc_dev == child) 393 break; 394 } 395 KASSERT(i < sc->sc_nrepid); 396 sc->sc_subdevs[i] = NULL; 397 } 398 399 USB_DETACH(uhidev) 400 { 401 USB_DETACH_START(uhidev, sc); 402 int i, rv; 403 404 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 405 406 sc->sc_dying = 1; 407 if (sc->sc_ipipe != NULL) 408 usbd_abort_pipe(sc->sc_ipipe); 409 410 if (sc->sc_repdesc != NULL) 411 free(sc->sc_repdesc, M_USBDEV); 412 413 rv = 0; 414 for (i = 0; i < sc->sc_nrepid; i++) { 415 if (sc->sc_subdevs[i] != NULL) { 416 #if NRND > 0 417 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 418 #endif 419 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 420 } 421 } 422 423 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 424 USBDEV(sc->sc_dev)); 425 426 pmf_device_deregister(self); 427 428 return (rv); 429 } 430 431 void 432 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 433 { 434 struct uhidev_softc *sc = addr; 435 struct uhidev *scd; 436 u_char *p; 437 u_int rep; 438 u_int32_t cc; 439 440 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 441 442 #ifdef UHIDEV_DEBUG 443 if (uhidevdebug > 5) { 444 u_int32_t i; 445 446 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 447 DPRINTF(("uhidev_intr: data =")); 448 for (i = 0; i < cc; i++) 449 DPRINTF((" %02x", sc->sc_ibuf[i])); 450 DPRINTF(("\n")); 451 } 452 #endif 453 454 if (status == USBD_CANCELLED) 455 return; 456 457 if (status != USBD_NORMAL_COMPLETION) { 458 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 459 status)); 460 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 461 return; 462 } 463 464 p = sc->sc_ibuf; 465 if (sc->sc_nrepid != 1) 466 rep = *p++, cc--; 467 else 468 rep = 0; 469 if (rep >= sc->sc_nrepid) { 470 printf("uhidev_intr: bad repid %d\n", rep); 471 return; 472 } 473 scd = sc->sc_subdevs[rep]; 474 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 475 rep, scd, scd ? scd->sc_state : 0)); 476 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 477 return; 478 if (scd->sc_in_rep_size != cc) { 479 printf("%s: bad input length %d != %d\n", 480 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 481 return; 482 } 483 #if NRND > 0 484 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 485 #endif 486 scd->sc_intr(scd, p, cc); 487 } 488 489 void 490 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 491 { 492 *desc = sc->sc_repdesc; 493 *size = sc->sc_repdesc_size; 494 } 495 496 int 497 uhidev_open(struct uhidev *scd) 498 { 499 struct uhidev_softc *sc = scd->sc_parent; 500 usbd_status err; 501 int error; 502 503 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 504 scd->sc_state, sc->sc_refcnt)); 505 506 if (scd->sc_state & UHIDEV_OPEN) 507 return (EBUSY); 508 scd->sc_state |= UHIDEV_OPEN; 509 if (sc->sc_refcnt++) 510 return (0); 511 512 if (sc->sc_isize == 0) 513 return (0); 514 515 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 516 517 /* Set up input interrupt pipe. */ 518 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 519 sc->sc_iep_addr)); 520 521 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 522 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 523 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 524 if (err != USBD_NORMAL_COMPLETION) { 525 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 526 "error=%d\n", err)); 527 error = EIO; 528 goto out1; 529 } 530 531 /* 532 * Set up output interrupt pipe if an output interrupt endpoint 533 * exists. 534 */ 535 if (sc->sc_oep_addr != -1) { 536 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 537 538 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 539 0, &sc->sc_opipe); 540 541 if (err != USBD_NORMAL_COMPLETION) { 542 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 543 "error=%d\n", err)); 544 error = EIO; 545 goto out2; 546 } 547 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 548 549 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 550 if (sc->sc_oxfer == NULL) { 551 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 552 error = ENOMEM; 553 goto out3; 554 } 555 } 556 557 return (0); 558 out3: 559 /* Abort output pipe */ 560 usbd_close_pipe(sc->sc_opipe); 561 out2: 562 /* Abort input pipe */ 563 usbd_close_pipe(sc->sc_ipipe); 564 out1: 565 DPRINTF(("uhidev_open: failed in someway")); 566 free(sc->sc_ibuf, M_USBDEV); 567 scd->sc_state &= ~UHIDEV_OPEN; 568 sc->sc_refcnt = 0; 569 sc->sc_ipipe = NULL; 570 sc->sc_opipe = NULL; 571 sc->sc_oxfer = NULL; 572 return error; 573 } 574 575 void 576 uhidev_close(struct uhidev *scd) 577 { 578 struct uhidev_softc *sc = scd->sc_parent; 579 580 if (!(scd->sc_state & UHIDEV_OPEN)) 581 return; 582 scd->sc_state &= ~UHIDEV_OPEN; 583 if (--sc->sc_refcnt) 584 return; 585 DPRINTF(("uhidev_close: close pipe\n")); 586 587 if (sc->sc_oxfer != NULL) 588 usbd_free_xfer(sc->sc_oxfer); 589 590 /* Disable interrupts. */ 591 if (sc->sc_opipe != NULL) { 592 usbd_abort_pipe(sc->sc_opipe); 593 usbd_close_pipe(sc->sc_opipe); 594 sc->sc_opipe = NULL; 595 } 596 597 if (sc->sc_ipipe != NULL) { 598 usbd_abort_pipe(sc->sc_ipipe); 599 usbd_close_pipe(sc->sc_ipipe); 600 sc->sc_ipipe = NULL; 601 } 602 603 if (sc->sc_ibuf != NULL) { 604 free(sc->sc_ibuf, M_USBDEV); 605 sc->sc_ibuf = NULL; 606 } 607 } 608 609 usbd_status 610 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 611 { 612 char *buf; 613 usbd_status retstat; 614 615 if (scd->sc_report_id == 0) 616 return usbd_set_report(scd->sc_parent->sc_iface, type, 617 scd->sc_report_id, data, len); 618 619 buf = malloc(len + 1, M_TEMP, M_WAITOK); 620 buf[0] = scd->sc_report_id; 621 memcpy(buf+1, data, len); 622 623 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 624 scd->sc_report_id, buf, len + 1); 625 626 free(buf, M_TEMP); 627 628 return retstat; 629 } 630 631 void 632 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 633 { 634 /* XXX */ 635 char buf[100]; 636 if (scd->sc_report_id) { 637 buf[0] = scd->sc_report_id; 638 memcpy(buf+1, data, len); 639 len++; 640 data = buf; 641 } 642 643 usbd_set_report_async(scd->sc_parent->sc_iface, type, 644 scd->sc_report_id, data, len); 645 } 646 647 usbd_status 648 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 649 { 650 return usbd_get_report(scd->sc_parent->sc_iface, type, 651 scd->sc_report_id, data, len); 652 } 653 654 usbd_status 655 uhidev_write(struct uhidev_softc *sc, void *data, int len) 656 { 657 658 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 659 660 if (sc->sc_opipe == NULL) 661 return USBD_INVAL; 662 663 #ifdef UHIDEV_DEBUG 664 if (uhidevdebug > 50) { 665 666 u_int32_t i; 667 u_int8_t *d = data; 668 669 DPRINTF(("uhidev_write: data =")); 670 for (i = 0; i < len; i++) 671 DPRINTF((" %02x", d[i])); 672 DPRINTF(("\n")); 673 } 674 #endif 675 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 676 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 677 } 678