1 /* $OpenBSD: uhidev.c,v 1.17 2006/08/18 02:54:11 jason 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) logprintf x; } while (0) 70 #define DPRINTFN(n,x) do { if (uhidevdebug>(n)) logprintf x; } while (0) 71 int uhidevdebug = 0; 72 #else 73 #define DPRINTF(x) 74 #define DPRINTFN(n,x) 75 #endif 76 77 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 78 79 Static int uhidev_maxrepid(void *buf, int len); 80 Static int uhidevprint(void *aux, const char *pnp); 81 #if defined(__NetBSD__) 82 Static int uhidevsubmatch(struct device *parent, struct cfdata *cf, void *aux); 83 #else 84 Static int uhidevsubmatch(struct device *parent, void *cf, void *aux); 85 #endif 86 87 USB_DECLARE_DRIVER(uhidev); 88 89 USB_MATCH(uhidev) 90 { 91 USB_MATCH_START(uhidev, uaa); 92 usb_interface_descriptor_t *id; 93 94 if (uaa->iface == NULL) 95 return (UMATCH_NONE); 96 id = usbd_get_interface_descriptor(uaa->iface); 97 if (id == NULL || id->bInterfaceClass != UICLASS_HID) 98 return (UMATCH_NONE); 99 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_HID) 100 return (UMATCH_NONE); 101 if (uaa->matchlvl) 102 return (uaa->matchlvl); 103 104 #ifdef __macppc__ 105 /* 106 * Some Apple laptops have USB phantom devices which match 107 * the ADB devices. We want to ignore them to avoid 108 * confusing users, as the real hardware underneath is adb 109 * and has already attached. 110 */ 111 if (uaa->vendor == USB_VENDOR_APPLE && 112 uaa->product == USB_PRODUCT_APPLE_ADB) 113 return (UMATCH_NONE); 114 #endif 115 116 return (UMATCH_IFACECLASS_GENERIC); 117 } 118 119 USB_ATTACH(uhidev) 120 { 121 USB_ATTACH_START(uhidev, sc, uaa); 122 usbd_interface_handle iface = uaa->iface; 123 usb_interface_descriptor_t *id; 124 usb_endpoint_descriptor_t *ed; 125 struct uhidev_attach_arg uha; 126 struct uhidev *dev; 127 int size, nrepid, repid, repsz; 128 int repsizes[256]; 129 int i; 130 void *desc; 131 const void *descptr; 132 usbd_status err; 133 char *devinfop; 134 135 sc->sc_udev = uaa->device; 136 sc->sc_iface = iface; 137 id = usbd_get_interface_descriptor(iface); 138 139 devinfop = usbd_devinfo_alloc(uaa->device, 0); 140 USB_ATTACH_SETUP; 141 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 142 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 143 usbd_devinfo_free(devinfop); 144 145 (void)usbd_set_idle(iface, 0, 0); 146 #if 0 147 148 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 149 if ((qflags & UQ_NO_SET_PROTO) == 0 && 150 id->bInterfaceSubClass != UISUBCLASS_BOOT) 151 (void)usbd_set_protocol(iface, 1); 152 #endif 153 154 sc->sc_iep_addr = sc->sc_oep_addr = -1; 155 for (i = 0; i < id->bNumEndpoints; i++) { 156 ed = usbd_interface2endpoint_descriptor(iface, i); 157 if (ed == NULL) { 158 printf("%s: could not read endpoint descriptor\n", 159 USBDEVNAME(sc->sc_dev)); 160 sc->sc_dying = 1; 161 USB_ATTACH_ERROR_RETURN; 162 } 163 164 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 165 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 166 " bInterval=%d\n", 167 ed->bLength, ed->bDescriptorType, 168 ed->bEndpointAddress & UE_ADDR, 169 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 170 ed->bmAttributes & UE_XFERTYPE, 171 UGETW(ed->wMaxPacketSize), ed->bInterval)); 172 173 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 174 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 175 sc->sc_iep_addr = ed->bEndpointAddress; 176 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 177 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 178 sc->sc_oep_addr = ed->bEndpointAddress; 179 } else { 180 printf("%s: unexpected endpoint\n", USBDEVNAME(sc->sc_dev)); 181 sc->sc_dying = 1; 182 USB_ATTACH_ERROR_RETURN; 183 } 184 } 185 186 /* 187 * Check that we found an input interrupt endpoint. The output interrupt 188 * endpoint is optional 189 */ 190 if (sc->sc_iep_addr == -1) { 191 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 192 sc->sc_dying = 1; 193 USB_ATTACH_ERROR_RETURN; 194 } 195 196 /* XXX need to extend this */ 197 descptr = NULL; 198 if (uaa->vendor == USB_VENDOR_WACOM) { 199 static uByte reportbuf[] = {2, 2, 2}; 200 201 /* The report descriptor for the Wacom Graphire is broken. */ 202 switch (uaa->product) { 203 case USB_PRODUCT_WACOM_GRAPHIRE: 204 size = sizeof uhid_graphire_report_descr; 205 descptr = uhid_graphire_report_descr; 206 break; 207 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 208 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: 209 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 210 &reportbuf, sizeof reportbuf); 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, M_USBDEV); 231 } 232 if (err) { 233 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 234 sc->sc_dying = 1; 235 USB_ATTACH_ERROR_RETURN; 236 } 237 238 sc->sc_repdesc = desc; 239 sc->sc_repdesc_size = size; 240 241 uha.uaa = uaa; 242 nrepid = uhidev_maxrepid(desc, size); 243 if (nrepid < 0) 244 USB_ATTACH_SUCCESS_RETURN; 245 if (nrepid > 0) 246 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 247 nrepid++; 248 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 249 M_USBDEV, M_NOWAIT); 250 bzero(sc->sc_subdevs, nrepid * sizeof(device_ptr_t)); 251 if (sc->sc_subdevs == NULL) { 252 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 253 USB_ATTACH_ERROR_RETURN; 254 } 255 sc->sc_nrepid = nrepid; 256 sc->sc_isize = 0; 257 258 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 259 USBDEV(sc->sc_dev)); 260 261 for (repid = 0; repid < nrepid; repid++) { 262 repsz = hid_report_size(desc, size, hid_input, repid); 263 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 264 repsizes[repid] = repsz; 265 if (repsz > 0) { 266 if (repsz > sc->sc_isize) 267 sc->sc_isize = repsz; 268 } 269 } 270 sc->sc_isize += nrepid != 1; /* space for report ID */ 271 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 272 273 uha.parent = sc; 274 for (repid = 0; repid < nrepid; repid++) { 275 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 276 if (hid_report_size(desc, size, hid_input, repid) == 0 && 277 hid_report_size(desc, size, hid_output, repid) == 0 && 278 hid_report_size(desc, size, hid_feature, repid) == 0) { 279 ; /* already NULL in sc->sc_subdevs[repid] */ 280 } else { 281 uha.reportid = repid; 282 dev = (struct uhidev *)config_found_sm(self, &uha, 283 uhidevprint, uhidevsubmatch); 284 sc->sc_subdevs[repid] = dev; 285 if (dev != NULL) { 286 dev->sc_in_rep_size = repsizes[repid]; 287 #ifdef DIAGNOSTIC 288 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 289 repid, dev)); 290 if (dev->sc_intr == NULL) { 291 printf("%s: sc_intr == NULL\n", 292 USBDEVNAME(sc->sc_dev)); 293 USB_ATTACH_ERROR_RETURN; 294 } 295 #endif 296 } 297 } 298 } 299 300 USB_ATTACH_SUCCESS_RETURN; 301 } 302 303 int 304 uhidev_maxrepid(void *buf, int len) 305 { 306 struct hid_data *d; 307 struct hid_item h; 308 int maxid; 309 310 maxid = -1; 311 h.report_ID = 0; 312 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 313 if (h.report_ID > maxid) 314 maxid = h.report_ID; 315 hid_end_parse(d); 316 return (maxid); 317 } 318 319 int 320 uhidevprint(void *aux, const char *pnp) 321 { 322 struct uhidev_attach_arg *uha = aux; 323 324 if (pnp) 325 printf("uhid at %s", pnp); 326 if (uha->reportid != 0) 327 printf(" reportid %d", uha->reportid); 328 return (UNCONF); 329 } 330 331 #if defined(__NetBSD__) 332 Static int uhidevsubmatch(struct device *parent, struct cfdata *cf, void *aux) 333 #else 334 Static int uhidevsubmatch(struct device *parent, void *match, void *aux) 335 #endif 336 { 337 struct uhidev_attach_arg *uha = aux; 338 #if defined(__OpenBSD__) 339 struct cfdata *cf = match; 340 #endif 341 342 if (cf->uhidevcf_reportid != UHIDEV_UNK_REPORTID && 343 cf->uhidevcf_reportid != uha->reportid) 344 return (0); 345 if (cf->uhidevcf_reportid == uha->reportid) 346 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 347 else 348 uha->matchlvl = 0; 349 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 350 } 351 352 int 353 uhidev_activate(device_ptr_t self, enum devact act) 354 { 355 struct uhidev_softc *sc = (struct uhidev_softc *)self; 356 int i, rv = 0; 357 358 switch (act) { 359 case DVACT_ACTIVATE: 360 break; 361 362 case DVACT_DEACTIVATE: 363 for (i = 0; i < sc->sc_nrepid; i++) 364 if (sc->sc_subdevs[i] != NULL) 365 rv |= config_deactivate( 366 &sc->sc_subdevs[i]->sc_dev); 367 sc->sc_dying = 1; 368 break; 369 } 370 return (rv); 371 } 372 373 USB_DETACH(uhidev) 374 { 375 USB_DETACH_START(uhidev, sc); 376 int i, rv; 377 378 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 379 380 sc->sc_dying = 1; 381 if (sc->sc_ipipe != NULL) 382 usbd_abort_pipe(sc->sc_ipipe); 383 384 if (sc->sc_repdesc != NULL) 385 free(sc->sc_repdesc, M_USBDEV); 386 387 rv = 0; 388 for (i = 0; i < sc->sc_nrepid; i++) { 389 if (sc->sc_subdevs[i] != NULL) { 390 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 391 sc->sc_subdevs[i] = NULL; 392 } 393 } 394 395 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 396 USBDEV(sc->sc_dev)); 397 398 return (rv); 399 } 400 401 void 402 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 403 { 404 struct uhidev_softc *sc = addr; 405 struct uhidev *scd; 406 u_char *p; 407 u_int rep; 408 u_int32_t cc; 409 410 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 411 412 #ifdef UHIDEV_DEBUG 413 if (uhidevdebug > 5) { 414 u_int32_t i; 415 416 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 417 DPRINTF(("uhidev_intr: data =")); 418 for (i = 0; i < cc; i++) 419 DPRINTF((" %02x", sc->sc_ibuf[i])); 420 DPRINTF(("\n")); 421 } 422 #endif 423 424 if (status == USBD_CANCELLED) 425 return; 426 427 if (status != USBD_NORMAL_COMPLETION) { 428 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 429 status)); 430 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 431 return; 432 } 433 434 p = sc->sc_ibuf; 435 if (sc->sc_nrepid != 1) 436 rep = *p++, cc--; 437 else 438 rep = 0; 439 if (rep >= sc->sc_nrepid) { 440 printf("uhidev_intr: bad repid %d\n", rep); 441 return; 442 } 443 scd = sc->sc_subdevs[rep]; 444 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 445 rep, scd, scd ? scd->sc_state : 0)); 446 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 447 return; 448 #ifdef DIAGNOSTIC 449 if (scd->sc_in_rep_size != cc) 450 printf("%s: bad input length %d != %d\n",USBDEVNAME(sc->sc_dev), 451 scd->sc_in_rep_size, cc); 452 #endif 453 scd->sc_intr(scd, p, cc); 454 } 455 456 void 457 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 458 { 459 *desc = sc->sc_repdesc; 460 *size = sc->sc_repdesc_size; 461 } 462 463 int 464 uhidev_open(struct uhidev *scd) 465 { 466 struct uhidev_softc *sc = scd->sc_parent; 467 usbd_status err; 468 int error; 469 470 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 471 scd->sc_state, sc->sc_refcnt)); 472 473 if (scd->sc_state & UHIDEV_OPEN) 474 return (EBUSY); 475 scd->sc_state |= UHIDEV_OPEN; 476 if (sc->sc_refcnt++) 477 return (0); 478 479 if (sc->sc_isize == 0) 480 return (0); 481 482 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 483 484 /* Set up input interrupt pipe. */ 485 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 486 sc->sc_iep_addr)); 487 488 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 489 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 490 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 491 if (err != USBD_NORMAL_COMPLETION) { 492 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 493 "error=%d\n", err)); 494 error = EIO; 495 goto out1; 496 } 497 498 DPRINTF(("uhidev_open: sc->sc_ipipe=%p\n", sc->sc_ipipe)); 499 500 sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev); 501 if (sc->sc_ixfer == NULL) { 502 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 503 error = ENOMEM; 504 goto out1; // xxxx 505 } 506 507 /* 508 * Set up output interrupt pipe if an output interrupt endpoint 509 * exists. 510 */ 511 if (sc->sc_oep_addr != -1) { 512 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 513 514 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 515 0, &sc->sc_opipe); 516 517 if (err != USBD_NORMAL_COMPLETION) { 518 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 519 "error=%d\n", err)); 520 error = EIO; 521 goto out2; 522 } 523 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 524 525 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 526 if (sc->sc_oxfer == NULL) { 527 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 528 error = ENOMEM; 529 goto out3; 530 } 531 532 sc->sc_owxfer = usbd_alloc_xfer(sc->sc_udev); 533 if (sc->sc_owxfer == NULL) { 534 DPRINTF(("uhidev_open: couldn't allocate owxfer\n")); 535 error = ENOMEM; 536 goto out3; 537 } 538 } 539 540 return (0); 541 542 out3: 543 /* Abort output pipe */ 544 usbd_close_pipe(sc->sc_opipe); 545 out2: 546 /* Abort input pipe */ 547 usbd_close_pipe(sc->sc_ipipe); 548 out1: 549 DPRINTF(("uhidev_open: failed in someway")); 550 free(sc->sc_ibuf, M_USBDEV); 551 scd->sc_state &= ~UHIDEV_OPEN; 552 sc->sc_refcnt = 0; 553 sc->sc_ipipe = NULL; 554 sc->sc_opipe = NULL; 555 if (sc->sc_oxfer != NULL) { 556 usbd_free_xfer(sc->sc_oxfer); 557 sc->sc_oxfer = NULL; 558 } 559 if (sc->sc_owxfer != NULL) { 560 usbd_free_xfer(sc->sc_owxfer); 561 sc->sc_owxfer = NULL; 562 } 563 return (error); 564 } 565 566 void 567 uhidev_close(struct uhidev *scd) 568 { 569 struct uhidev_softc *sc = scd->sc_parent; 570 571 if (!(scd->sc_state & UHIDEV_OPEN)) 572 return; 573 scd->sc_state &= ~UHIDEV_OPEN; 574 if (--sc->sc_refcnt) 575 return; 576 DPRINTF(("uhidev_close: close pipe\n")); 577 578 if (sc->sc_oxfer != NULL) 579 usbd_free_xfer(sc->sc_oxfer); 580 581 if (sc->sc_owxfer != NULL) 582 usbd_free_xfer(sc->sc_owxfer); 583 584 /* Disable interrupts. */ 585 if (sc->sc_opipe != NULL) { 586 usbd_abort_pipe(sc->sc_opipe); 587 usbd_close_pipe(sc->sc_opipe); 588 sc->sc_opipe = NULL; 589 } 590 591 if (sc->sc_ipipe != NULL) { 592 usbd_abort_pipe(sc->sc_ipipe); 593 usbd_close_pipe(sc->sc_ipipe); 594 sc->sc_ipipe = NULL; 595 } 596 597 if (sc->sc_ibuf != NULL) { 598 free(sc->sc_ibuf, M_USBDEV); 599 sc->sc_ibuf = NULL; 600 } 601 } 602 603 usbd_status 604 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 605 { 606 char *buf; 607 usbd_status retstat; 608 609 if (scd->sc_report_id == 0) 610 return usbd_set_report(scd->sc_parent->sc_iface, type, 611 scd->sc_report_id, data, len); 612 613 buf = malloc(len + 1, M_TEMP, M_WAITOK); 614 buf[0] = scd->sc_report_id; 615 memcpy(buf+1, data, len); 616 617 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 618 scd->sc_report_id, data, len + 1); 619 620 free(buf, M_TEMP); 621 622 return retstat; 623 } 624 625 void 626 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 627 { 628 /* XXX */ 629 char buf[100]; 630 if (scd->sc_report_id) { 631 buf[0] = scd->sc_report_id; 632 memcpy(buf+1, data, len); 633 len++; 634 data = buf; 635 } 636 637 usbd_set_report_async(scd->sc_parent->sc_iface, type, 638 scd->sc_report_id, data, len); 639 } 640 641 usbd_status 642 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 643 { 644 return usbd_get_report(scd->sc_parent->sc_iface, type, 645 scd->sc_report_id, data, len); 646 } 647 648 usbd_status 649 uhidev_write(struct uhidev_softc *sc, void *data, int len) 650 { 651 652 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 653 654 if (sc->sc_opipe == NULL) 655 return USBD_INVAL; 656 657 #ifdef UHIDEV_DEBUG 658 if (uhidevdebug > 50) { 659 660 u_int32_t i; 661 u_int8_t *d = data; 662 663 DPRINTF(("uhidev_write: data =")); 664 for (i = 0; i < len; i++) 665 DPRINTF((" %02x", d[i])); 666 DPRINTF(("\n")); 667 } 668 #endif 669 return usbd_intr_transfer(sc->sc_owxfer, sc->sc_opipe, 0, 670 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 671 } 672