uhidev.c revision 1.39.8.1
1 /* $NetBSD: uhidev.c,v 1.39.8.1 2008/05/18 12:34:51 yamt 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 (at) 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 1.39.8.1 2008/05/18 12:34:51 yamt 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) logprintf x 67 #define DPRINTFN(n,x) if (uhidevdebug>(n)) logprintf 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, struct cfdata *, 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(uhidev, sizeof(struct uhidev_softc), uhidev_match, 86 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 87 88 USB_MATCH(uhidev) 89 { 90 USB_IFMATCH_START(uhidev, uaa); 91 92 if (uaa->class != UICLASS_HID) 93 return (UMATCH_NONE); 94 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 95 return (UMATCH_NONE); 96 return (UMATCH_IFACECLASS_GENERIC); 97 } 98 99 USB_ATTACH(uhidev) 100 { 101 USB_IFATTACH_START(uhidev, sc, uaa); 102 usbd_interface_handle iface = uaa->iface; 103 usb_interface_descriptor_t *id; 104 usb_endpoint_descriptor_t *ed; 105 struct uhidev_attach_arg uha; 106 struct uhidev *dev; 107 int size, nrepid, repid, repsz; 108 int *repsizes; 109 int i; 110 void *desc; 111 const void *descptr; 112 usbd_status err; 113 char *devinfop; 114 int locs[UHIDBUSCF_NLOCS]; 115 116 sc->sc_udev = uaa->device; 117 sc->sc_iface = iface; 118 id = usbd_get_interface_descriptor(iface); 119 120 devinfop = usbd_devinfo_alloc(uaa->device, 0); 121 USB_ATTACH_SETUP; 122 aprint_normal("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 123 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 124 usbd_devinfo_free(devinfop); 125 126 if (!pmf_device_register(self, NULL, NULL)) 127 aprint_error_dev(self, "couldn't establish power handler\n"); 128 129 (void)usbd_set_idle(iface, 0, 0); 130 #if 0 131 132 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 133 if ((qflags & UQ_NO_SET_PROTO) == 0 && 134 id->bInterfaceSubClass != UISUBCLASS_BOOT) 135 (void)usbd_set_protocol(iface, 1); 136 #endif 137 138 sc->sc_iep_addr = sc->sc_oep_addr = -1; 139 for (i = 0; i < id->bNumEndpoints; i++) { 140 ed = usbd_interface2endpoint_descriptor(iface, i); 141 if (ed == NULL) { 142 aprint_error("%s: could not read endpoint descriptor\n", 143 USBDEVNAME(sc->sc_dev)); 144 sc->sc_dying = 1; 145 USB_ATTACH_ERROR_RETURN; 146 } 147 148 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 149 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 150 " bInterval=%d\n", 151 ed->bLength, ed->bDescriptorType, 152 ed->bEndpointAddress & UE_ADDR, 153 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 154 ed->bmAttributes & UE_XFERTYPE, 155 UGETW(ed->wMaxPacketSize), ed->bInterval)); 156 157 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 158 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 159 sc->sc_iep_addr = ed->bEndpointAddress; 160 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 161 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 162 sc->sc_oep_addr = ed->bEndpointAddress; 163 } else { 164 aprint_verbose("%s: endpoint %d: ignored\n", 165 USBDEVNAME(sc->sc_dev), i); 166 } 167 } 168 169 /* 170 * Check that we found an input interrupt endpoint. The output interrupt 171 * endpoint is optional 172 */ 173 if (sc->sc_iep_addr == -1) { 174 aprint_error("%s: no input interrupt endpoint\n", 175 USBDEVNAME(sc->sc_dev)); 176 sc->sc_dying = 1; 177 USB_ATTACH_ERROR_RETURN; 178 } 179 180 /* XXX need to extend this */ 181 descptr = NULL; 182 if (uaa->vendor == USB_VENDOR_WACOM) { 183 static uByte reportbuf[] = {2, 2, 2}; 184 185 /* The report descriptor for the Wacom Graphire is broken. */ 186 switch (uaa->product) { 187 case USB_PRODUCT_WACOM_GRAPHIRE: 188 size = sizeof uhid_graphire_report_descr; 189 descptr = uhid_graphire_report_descr; 190 break; 191 192 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 193 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 194 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 195 /* 196 * The Graphire3 needs 0x0202 to be written to 197 * feature report ID 2 before it'll start 198 * returning digitizer data. 199 */ 200 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 201 &reportbuf, sizeof reportbuf); 202 203 size = sizeof uhid_graphire3_4x5_report_descr; 204 descptr = uhid_graphire3_4x5_report_descr; 205 break; 206 default: 207 /* Keep descriptor */ 208 break; 209 } 210 } 211 212 if (descptr) { 213 desc = malloc(size, M_USBDEV, M_NOWAIT); 214 if (desc == NULL) 215 err = USBD_NOMEM; 216 else { 217 err = USBD_NORMAL_COMPLETION; 218 memcpy(desc, descptr, size); 219 } 220 } else { 221 desc = NULL; 222 err = usbd_read_report_desc(uaa->iface, &desc, &size, 223 M_USBDEV); 224 } 225 if (err) { 226 aprint_error("%s: no report descriptor\n", 227 USBDEVNAME(sc->sc_dev)); 228 sc->sc_dying = 1; 229 USB_ATTACH_ERROR_RETURN; 230 } 231 232 if (uaa->vendor == USB_VENDOR_HOSIDEN && 233 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 234 static uByte reportbuf[] = { 1 }; 235 /* 236 * This device was sold by Konami with its ParaParaParadise 237 * game for PlayStation2. It needs to be "turned on" 238 * before it will send any reports. 239 */ 240 241 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 242 &reportbuf, sizeof reportbuf); 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 USB_ATTACH_SUCCESS_RETURN; 252 if (nrepid > 0) 253 aprint_normal("%s: %d report ids\n", 254 USBDEVNAME(sc->sc_dev), nrepid); 255 nrepid++; 256 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 257 if (repsizes == NULL) 258 goto nomem; 259 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 260 M_USBDEV, M_NOWAIT | M_ZERO); 261 if (sc->sc_subdevs == NULL) { 262 free(repsizes, M_TEMP); 263 nomem: 264 aprint_error("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 265 USB_ATTACH_ERROR_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 USBDEV(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 locs[UHIDBUSCF_REPORTID] = repid; 295 296 dev = (struct uhidev *)config_found_sm_loc(self, 297 "uhidbus", locs, &uha, 298 uhidevprint, config_stdsubmatch); 299 sc->sc_subdevs[repid] = dev; 300 if (dev != NULL) { 301 dev->sc_in_rep_size = repsizes[repid]; 302 #ifdef DIAGNOSTIC 303 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 304 repid, dev)); 305 if (dev->sc_intr == NULL) { 306 free(repsizes, M_TEMP); 307 printf("%s: sc_intr == NULL\n", 308 USBDEVNAME(sc->sc_dev)); 309 USB_ATTACH_ERROR_RETURN; 310 } 311 #endif 312 #if NRND > 0 313 rnd_attach_source(&dev->rnd_source, 314 USBDEVNAME(dev->sc_dev), 315 RND_TYPE_TTY, 0); 316 #endif 317 } 318 } 319 } 320 free(repsizes, M_TEMP); 321 322 USB_ATTACH_SUCCESS_RETURN; 323 } 324 325 int 326 uhidev_maxrepid(void *buf, int len) 327 { 328 struct hid_data *d; 329 struct hid_item h; 330 int maxid; 331 332 maxid = -1; 333 h.report_ID = 0; 334 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 335 if (h.report_ID > maxid) 336 maxid = h.report_ID; 337 hid_end_parse(d); 338 return (maxid); 339 } 340 341 int 342 uhidevprint(void *aux, const char *pnp) 343 { 344 struct uhidev_attach_arg *uha = aux; 345 346 if (pnp) 347 aprint_normal("uhid at %s", pnp); 348 if (uha->reportid != 0) 349 aprint_normal(" reportid %d", uha->reportid); 350 return (UNCONF); 351 } 352 353 int 354 uhidev_activate(device_t self, enum devact act) 355 { 356 struct uhidev_softc *sc = device_private(self); 357 int i, rv; 358 359 switch (act) { 360 case DVACT_ACTIVATE: 361 return (EOPNOTSUPP); 362 363 case DVACT_DEACTIVATE: 364 rv = 0; 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 default: 372 rv = 0; 373 break; 374 } 375 return (rv); 376 } 377 378 void 379 uhidev_childdet(device_t self, device_t child) 380 { 381 int i; 382 struct uhidev_softc *sc = device_private(self); 383 384 for (i = 0; i < sc->sc_nrepid; i++) { 385 if (&sc->sc_subdevs[i]->sc_dev == child) 386 break; 387 } 388 KASSERT(i < sc->sc_nrepid); 389 sc->sc_subdevs[i] = NULL; 390 } 391 392 USB_DETACH(uhidev) 393 { 394 USB_DETACH_START(uhidev, sc); 395 int i, rv; 396 397 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 398 399 sc->sc_dying = 1; 400 if (sc->sc_ipipe != NULL) 401 usbd_abort_pipe(sc->sc_ipipe); 402 403 if (sc->sc_repdesc != NULL) 404 free(sc->sc_repdesc, M_USBDEV); 405 406 rv = 0; 407 for (i = 0; i < sc->sc_nrepid; i++) { 408 if (sc->sc_subdevs[i] != NULL) { 409 #if NRND > 0 410 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 411 #endif 412 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 413 } 414 } 415 416 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 417 USBDEV(sc->sc_dev)); 418 419 pmf_device_deregister(self); 420 421 return (rv); 422 } 423 424 void 425 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 426 { 427 struct uhidev_softc *sc = addr; 428 struct uhidev *scd; 429 u_char *p; 430 u_int rep; 431 u_int32_t cc; 432 433 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 434 435 #ifdef UHIDEV_DEBUG 436 if (uhidevdebug > 5) { 437 u_int32_t i; 438 439 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 440 DPRINTF(("uhidev_intr: data =")); 441 for (i = 0; i < cc; i++) 442 DPRINTF((" %02x", sc->sc_ibuf[i])); 443 DPRINTF(("\n")); 444 } 445 #endif 446 447 if (status == USBD_CANCELLED) 448 return; 449 450 if (status != USBD_NORMAL_COMPLETION) { 451 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 452 status)); 453 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 454 return; 455 } 456 457 p = sc->sc_ibuf; 458 if (sc->sc_nrepid != 1) 459 rep = *p++, cc--; 460 else 461 rep = 0; 462 if (rep >= sc->sc_nrepid) { 463 printf("uhidev_intr: bad repid %d\n", rep); 464 return; 465 } 466 scd = sc->sc_subdevs[rep]; 467 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 468 rep, scd, scd ? scd->sc_state : 0)); 469 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 470 return; 471 if (scd->sc_in_rep_size != cc) { 472 printf("%s: bad input length %d != %d\n", 473 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 474 return; 475 } 476 #if NRND > 0 477 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 478 #endif 479 scd->sc_intr(scd, p, cc); 480 } 481 482 void 483 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 484 { 485 *desc = sc->sc_repdesc; 486 *size = sc->sc_repdesc_size; 487 } 488 489 int 490 uhidev_open(struct uhidev *scd) 491 { 492 struct uhidev_softc *sc = scd->sc_parent; 493 usbd_status err; 494 int error; 495 496 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 497 scd->sc_state, sc->sc_refcnt)); 498 499 if (scd->sc_state & UHIDEV_OPEN) 500 return (EBUSY); 501 scd->sc_state |= UHIDEV_OPEN; 502 if (sc->sc_refcnt++) 503 return (0); 504 505 if (sc->sc_isize == 0) 506 return (0); 507 508 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 509 510 /* Set up input interrupt pipe. */ 511 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 512 sc->sc_iep_addr)); 513 514 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 515 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 516 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 517 if (err != USBD_NORMAL_COMPLETION) { 518 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 519 "error=%d\n", err)); 520 error = EIO; 521 goto out1; 522 } 523 524 /* 525 * Set up output interrupt pipe if an output interrupt endpoint 526 * exists. 527 */ 528 if (sc->sc_oep_addr != -1) { 529 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 530 531 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 532 0, &sc->sc_opipe); 533 534 if (err != USBD_NORMAL_COMPLETION) { 535 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 536 "error=%d\n", err)); 537 error = EIO; 538 goto out2; 539 } 540 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 541 542 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 543 if (sc->sc_oxfer == NULL) { 544 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 545 error = ENOMEM; 546 goto out3; 547 } 548 } 549 550 return (0); 551 out3: 552 /* Abort output pipe */ 553 usbd_close_pipe(sc->sc_opipe); 554 out2: 555 /* Abort input pipe */ 556 usbd_close_pipe(sc->sc_ipipe); 557 out1: 558 DPRINTF(("uhidev_open: failed in someway")); 559 free(sc->sc_ibuf, M_USBDEV); 560 scd->sc_state &= ~UHIDEV_OPEN; 561 sc->sc_refcnt = 0; 562 sc->sc_ipipe = NULL; 563 sc->sc_opipe = NULL; 564 sc->sc_oxfer = NULL; 565 return error; 566 } 567 568 void 569 uhidev_close(struct uhidev *scd) 570 { 571 struct uhidev_softc *sc = scd->sc_parent; 572 573 if (!(scd->sc_state & UHIDEV_OPEN)) 574 return; 575 scd->sc_state &= ~UHIDEV_OPEN; 576 if (--sc->sc_refcnt) 577 return; 578 DPRINTF(("uhidev_close: close pipe\n")); 579 580 if (sc->sc_oxfer != NULL) 581 usbd_free_xfer(sc->sc_oxfer); 582 583 /* Disable interrupts. */ 584 if (sc->sc_opipe != NULL) { 585 usbd_abort_pipe(sc->sc_opipe); 586 usbd_close_pipe(sc->sc_opipe); 587 sc->sc_opipe = NULL; 588 } 589 590 if (sc->sc_ipipe != NULL) { 591 usbd_abort_pipe(sc->sc_ipipe); 592 usbd_close_pipe(sc->sc_ipipe); 593 sc->sc_ipipe = NULL; 594 } 595 596 if (sc->sc_ibuf != NULL) { 597 free(sc->sc_ibuf, M_USBDEV); 598 sc->sc_ibuf = NULL; 599 } 600 } 601 602 usbd_status 603 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 604 { 605 char *buf; 606 usbd_status retstat; 607 608 if (scd->sc_report_id == 0) 609 return usbd_set_report(scd->sc_parent->sc_iface, type, 610 scd->sc_report_id, data, len); 611 612 buf = malloc(len + 1, M_TEMP, M_WAITOK); 613 buf[0] = scd->sc_report_id; 614 memcpy(buf+1, data, len); 615 616 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 617 scd->sc_report_id, buf, len + 1); 618 619 free(buf, M_TEMP); 620 621 return retstat; 622 } 623 624 void 625 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 626 { 627 /* XXX */ 628 char buf[100]; 629 if (scd->sc_report_id) { 630 buf[0] = scd->sc_report_id; 631 memcpy(buf+1, data, len); 632 len++; 633 data = buf; 634 } 635 636 usbd_set_report_async(scd->sc_parent->sc_iface, type, 637 scd->sc_report_id, data, len); 638 } 639 640 usbd_status 641 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 642 { 643 return usbd_get_report(scd->sc_parent->sc_iface, type, 644 scd->sc_report_id, data, len); 645 } 646 647 usbd_status 648 uhidev_write(struct uhidev_softc *sc, void *data, int len) 649 { 650 651 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 652 653 if (sc->sc_opipe == NULL) 654 return USBD_INVAL; 655 656 #ifdef UHIDEV_DEBUG 657 if (uhidevdebug > 50) { 658 659 u_int32_t i; 660 u_int8_t *d = data; 661 662 DPRINTF(("uhidev_write: data =")); 663 for (i = 0; i < len; i++) 664 DPRINTF((" %02x", d[i])); 665 DPRINTF(("\n")); 666 } 667 #endif 668 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 669 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 670 } 671
Indexes created Sun Sep 28 16:09:52 GMT 2025