uhidev.c revision 1.43
1 /* $NetBSD: uhidev.c,v 1.43 2009/09/23 19:07:19 plunky 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 1.43 2009/09/23 19:07:19 plunky 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, 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 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 device_t dev; 107 struct uhidev *csc; 108 int size, nrepid, repid, repsz; 109 int *repsizes; 110 int i; 111 void *desc; 112 const void *descptr; 113 usbd_status err; 114 char *devinfop; 115 int locs[UHIDBUSCF_NLOCS]; 116 117 sc->sc_dev = self; 118 sc->sc_udev = uaa->device; 119 sc->sc_iface = iface; 120 121 aprint_naive("\n"); 122 aprint_normal("\n"); 123 124 id = usbd_get_interface_descriptor(iface); 125 126 devinfop = usbd_devinfo_alloc(uaa->device, 0); 127 aprint_normal_dev(self, "%s, iclass %d/%d\n", 128 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 129 usbd_devinfo_free(devinfop); 130 131 if (!pmf_device_register(self, NULL, NULL)) 132 aprint_error_dev(self, "couldn't establish power handler\n"); 133 134 (void)usbd_set_idle(iface, 0, 0); 135 #if 0 136 137 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 138 if ((qflags & UQ_NO_SET_PROTO) == 0 && 139 id->bInterfaceSubClass != UISUBCLASS_BOOT) 140 (void)usbd_set_protocol(iface, 1); 141 #endif 142 143 sc->sc_iep_addr = sc->sc_oep_addr = -1; 144 for (i = 0; i < id->bNumEndpoints; i++) { 145 ed = usbd_interface2endpoint_descriptor(iface, i); 146 if (ed == NULL) { 147 aprint_error_dev(self, 148 "could not read endpoint descriptor\n"); 149 sc->sc_dying = 1; 150 USB_ATTACH_ERROR_RETURN; 151 } 152 153 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 154 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 155 " bInterval=%d\n", 156 ed->bLength, ed->bDescriptorType, 157 ed->bEndpointAddress & UE_ADDR, 158 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 159 ed->bmAttributes & UE_XFERTYPE, 160 UGETW(ed->wMaxPacketSize), ed->bInterval)); 161 162 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 163 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 164 sc->sc_iep_addr = ed->bEndpointAddress; 165 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 166 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 167 sc->sc_oep_addr = ed->bEndpointAddress; 168 } else { 169 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 170 } 171 } 172 173 /* 174 * Check that we found an input interrupt endpoint. The output interrupt 175 * endpoint is optional 176 */ 177 if (sc->sc_iep_addr == -1) { 178 aprint_error_dev(self, "no input interrupt endpoint\n"); 179 sc->sc_dying = 1; 180 USB_ATTACH_ERROR_RETURN; 181 } 182 183 /* XXX need to extend this */ 184 descptr = NULL; 185 if (uaa->vendor == USB_VENDOR_WACOM) { 186 static uByte reportbuf[] = {2, 2, 2}; 187 188 /* The report descriptor for the Wacom Graphire is broken. */ 189 switch (uaa->product) { 190 case USB_PRODUCT_WACOM_GRAPHIRE: 191 size = sizeof uhid_graphire_report_descr; 192 descptr = uhid_graphire_report_descr; 193 break; 194 195 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 196 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 197 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 198 /* 199 * The Graphire3 needs 0x0202 to be written to 200 * feature report ID 2 before it'll start 201 * returning digitizer data. 202 */ 203 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 204 &reportbuf, sizeof reportbuf); 205 206 size = sizeof uhid_graphire3_4x5_report_descr; 207 descptr = uhid_graphire3_4x5_report_descr; 208 break; 209 default: 210 /* Keep descriptor */ 211 break; 212 } 213 } 214 215 if (descptr) { 216 desc = malloc(size, M_USBDEV, M_NOWAIT); 217 if (desc == NULL) 218 err = USBD_NOMEM; 219 else { 220 err = USBD_NORMAL_COMPLETION; 221 memcpy(desc, descptr, size); 222 } 223 } else { 224 desc = NULL; 225 err = usbd_read_report_desc(uaa->iface, &desc, &size, 226 M_USBDEV); 227 } 228 if (err) { 229 aprint_error_dev(self, "no report descriptor\n"); 230 sc->sc_dying = 1; 231 USB_ATTACH_ERROR_RETURN; 232 } 233 234 if (uaa->vendor == USB_VENDOR_HOSIDEN && 235 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 236 static uByte reportbuf[] = { 1 }; 237 /* 238 * This device was sold by Konami with its ParaParaParadise 239 * game for PlayStation2. It needs to be "turned on" 240 * before it will send any reports. 241 */ 242 243 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 244 &reportbuf, sizeof reportbuf); 245 } 246 247 sc->sc_repdesc = desc; 248 sc->sc_repdesc_size = size; 249 250 uha.uaa = uaa; 251 nrepid = uhidev_maxrepid(desc, size); 252 if (nrepid < 0) 253 USB_ATTACH_SUCCESS_RETURN; 254 if (nrepid > 0) 255 aprint_normal_dev(self, "%d report ids\n", nrepid); 256 nrepid++; 257 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 258 if (repsizes == NULL) 259 goto nomem; 260 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 261 M_USBDEV, M_NOWAIT | M_ZERO); 262 if (sc->sc_subdevs == NULL) { 263 free(repsizes, M_TEMP); 264 nomem: 265 aprint_error_dev(self, "no memory\n"); 266 USB_ATTACH_ERROR_RETURN; 267 } 268 sc->sc_nrepid = nrepid; 269 sc->sc_isize = 0; 270 271 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 272 USBDEV(sc->sc_dev)); 273 274 for (repid = 0; repid < nrepid; repid++) { 275 repsz = hid_report_size(desc, size, hid_input, repid); 276 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 277 repsizes[repid] = repsz; 278 if (repsz > 0) { 279 if (repsz > sc->sc_isize) 280 sc->sc_isize = repsz; 281 } 282 } 283 sc->sc_isize += nrepid != 1; /* space for report ID */ 284 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 285 286 uha.parent = sc; 287 for (repid = 0; repid < nrepid; repid++) { 288 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 289 if (hid_report_size(desc, size, hid_input, repid) == 0 && 290 hid_report_size(desc, size, hid_output, repid) == 0 && 291 hid_report_size(desc, size, hid_feature, repid) == 0) { 292 ; /* already NULL in sc->sc_subdevs[repid] */ 293 } else { 294 uha.reportid = repid; 295 locs[UHIDBUSCF_REPORTID] = repid; 296 297 dev = config_found_sm_loc(self, 298 "uhidbus", locs, &uha, 299 uhidevprint, config_stdsubmatch); 300 sc->sc_subdevs[repid] = dev; 301 if (dev != NULL) { 302 csc = device_private(dev); 303 csc->sc_in_rep_size = repsizes[repid]; 304 #ifdef DIAGNOSTIC 305 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 306 repid, dev)); 307 if (csc->sc_intr == NULL) { 308 free(repsizes, M_TEMP); 309 aprint_error_dev(self, 310 "sc_intr == NULL\n"); 311 USB_ATTACH_ERROR_RETURN; 312 } 313 #endif 314 #if NRND > 0 315 rnd_attach_source(&csc->rnd_source, 316 USBDEVNAME(dev), 317 RND_TYPE_TTY, 0); 318 #endif 319 } 320 } 321 } 322 free(repsizes, M_TEMP); 323 324 USB_ATTACH_SUCCESS_RETURN; 325 } 326 327 int 328 uhidev_maxrepid(void *buf, int len) 329 { 330 struct hid_data *d; 331 struct hid_item h; 332 int maxid; 333 334 maxid = -1; 335 h.report_ID = 0; 336 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 337 if (h.report_ID > maxid) 338 maxid = h.report_ID; 339 hid_end_parse(d); 340 return (maxid); 341 } 342 343 int 344 uhidevprint(void *aux, const char *pnp) 345 { 346 struct uhidev_attach_arg *uha = aux; 347 348 if (pnp) 349 aprint_normal("uhid at %s", pnp); 350 if (uha->reportid != 0) 351 aprint_normal(" reportid %d", uha->reportid); 352 return (UNCONF); 353 } 354 355 int 356 uhidev_activate(device_t self, enum devact act) 357 { 358 struct uhidev_softc *sc = device_private(self); 359 int i, rv; 360 361 switch (act) { 362 case DVACT_ACTIVATE: 363 return (EOPNOTSUPP); 364 365 case DVACT_DEACTIVATE: 366 rv = 0; 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]); 371 sc->sc_dying = 1; 372 break; 373 default: 374 rv = 0; 375 break; 376 } 377 return (rv); 378 } 379 380 void 381 uhidev_childdet(device_t self, device_t child) 382 { 383 int i; 384 struct uhidev_softc *sc = device_private(self); 385 386 for (i = 0; i < sc->sc_nrepid; i++) { 387 if (sc->sc_subdevs[i] == child) 388 break; 389 } 390 KASSERT(i < sc->sc_nrepid); 391 sc->sc_subdevs[i] = NULL; 392 } 393 394 USB_DETACH(uhidev) 395 { 396 USB_DETACH_START(uhidev, sc); 397 int i, rv; 398 #if NRND > 0 399 struct uhidev *csc; 400 #endif 401 402 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 403 404 sc->sc_dying = 1; 405 if (sc->sc_ipipe != NULL) 406 usbd_abort_pipe(sc->sc_ipipe); 407 408 if (sc->sc_repdesc != NULL) 409 free(sc->sc_repdesc, M_USBDEV); 410 411 rv = 0; 412 for (i = 0; i < sc->sc_nrepid; i++) { 413 if (sc->sc_subdevs[i] != NULL) { 414 #if NRND > 0 415 csc = device_private(sc->sc_subdevs[i]); 416 rnd_detach_source(&csc->rnd_source); 417 #endif 418 rv |= config_detach(sc->sc_subdevs[i], flags); 419 } 420 } 421 422 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 423 USBDEV(sc->sc_dev)); 424 425 pmf_device_deregister(self); 426 427 return (rv); 428 } 429 430 void 431 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 432 { 433 struct uhidev_softc *sc = addr; 434 device_t cdev; 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 cdev = sc->sc_subdevs[rep]; 474 if (!cdev) 475 return; 476 scd = device_private(cdev); 477 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 478 rep, scd, scd ? scd->sc_state : 0)); 479 if (!(scd->sc_state & UHIDEV_OPEN)) 480 return; 481 if (scd->sc_in_rep_size != cc) { 482 printf("%s: bad input length %d != %d\n", 483 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 484 return; 485 } 486 #if NRND > 0 487 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 488 #endif 489 scd->sc_intr(scd, p, cc); 490 } 491 492 void 493 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 494 { 495 *desc = sc->sc_repdesc; 496 *size = sc->sc_repdesc_size; 497 } 498 499 int 500 uhidev_open(struct uhidev *scd) 501 { 502 struct uhidev_softc *sc = scd->sc_parent; 503 usbd_status err; 504 int error; 505 506 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 507 scd->sc_state, sc->sc_refcnt)); 508 509 if (scd->sc_state & UHIDEV_OPEN) 510 return (EBUSY); 511 scd->sc_state |= UHIDEV_OPEN; 512 if (sc->sc_refcnt++) 513 return (0); 514 515 if (sc->sc_isize == 0) 516 return (0); 517 518 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 519 520 /* Set up input interrupt pipe. */ 521 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 522 sc->sc_iep_addr)); 523 524 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 525 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 526 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 527 if (err != USBD_NORMAL_COMPLETION) { 528 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 529 "error=%d\n", err)); 530 error = EIO; 531 goto out1; 532 } 533 534 /* 535 * Set up output interrupt pipe if an output interrupt endpoint 536 * exists. 537 */ 538 if (sc->sc_oep_addr != -1) { 539 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 540 541 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 542 0, &sc->sc_opipe); 543 544 if (err != USBD_NORMAL_COMPLETION) { 545 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 546 "error=%d\n", err)); 547 error = EIO; 548 goto out2; 549 } 550 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 551 552 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 553 if (sc->sc_oxfer == NULL) { 554 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 555 error = ENOMEM; 556 goto out3; 557 } 558 } 559 560 return (0); 561 out3: 562 /* Abort output pipe */ 563 usbd_close_pipe(sc->sc_opipe); 564 out2: 565 /* Abort input pipe */ 566 usbd_close_pipe(sc->sc_ipipe); 567 out1: 568 DPRINTF(("uhidev_open: failed in someway")); 569 free(sc->sc_ibuf, M_USBDEV); 570 scd->sc_state &= ~UHIDEV_OPEN; 571 sc->sc_refcnt = 0; 572 sc->sc_ipipe = NULL; 573 sc->sc_opipe = NULL; 574 sc->sc_oxfer = NULL; 575 return error; 576 } 577 578 void 579 uhidev_close(struct uhidev *scd) 580 { 581 struct uhidev_softc *sc = scd->sc_parent; 582 583 if (!(scd->sc_state & UHIDEV_OPEN)) 584 return; 585 scd->sc_state &= ~UHIDEV_OPEN; 586 if (--sc->sc_refcnt) 587 return; 588 DPRINTF(("uhidev_close: close pipe\n")); 589 590 if (sc->sc_oxfer != NULL) 591 usbd_free_xfer(sc->sc_oxfer); 592 593 /* Disable interrupts. */ 594 if (sc->sc_opipe != NULL) { 595 usbd_abort_pipe(sc->sc_opipe); 596 usbd_close_pipe(sc->sc_opipe); 597 sc->sc_opipe = NULL; 598 } 599 600 if (sc->sc_ipipe != NULL) { 601 usbd_abort_pipe(sc->sc_ipipe); 602 usbd_close_pipe(sc->sc_ipipe); 603 sc->sc_ipipe = NULL; 604 } 605 606 if (sc->sc_ibuf != NULL) { 607 free(sc->sc_ibuf, M_USBDEV); 608 sc->sc_ibuf = NULL; 609 } 610 } 611 612 usbd_status 613 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 614 { 615 char *buf; 616 usbd_status retstat; 617 618 if (scd->sc_report_id == 0) 619 return usbd_set_report(scd->sc_parent->sc_iface, type, 620 scd->sc_report_id, data, len); 621 622 buf = malloc(len + 1, M_TEMP, M_WAITOK); 623 buf[0] = scd->sc_report_id; 624 memcpy(buf+1, data, len); 625 626 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 627 scd->sc_report_id, buf, len + 1); 628 629 free(buf, M_TEMP); 630 631 return retstat; 632 } 633 634 void 635 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 636 { 637 /* XXX */ 638 char buf[100]; 639 if (scd->sc_report_id) { 640 buf[0] = scd->sc_report_id; 641 memcpy(buf+1, data, len); 642 len++; 643 data = buf; 644 } 645 646 usbd_set_report_async(scd->sc_parent->sc_iface, type, 647 scd->sc_report_id, data, len); 648 } 649 650 usbd_status 651 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 652 { 653 return usbd_get_report(scd->sc_parent->sc_iface, type, 654 scd->sc_report_id, data, len); 655 } 656 657 usbd_status 658 uhidev_write(struct uhidev_softc *sc, void *data, int len) 659 { 660 661 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 662 663 if (sc->sc_opipe == NULL) 664 return USBD_INVAL; 665 666 #ifdef UHIDEV_DEBUG 667 if (uhidevdebug > 50) { 668 669 u_int32_t i; 670 u_int8_t *d = data; 671 672 DPRINTF(("uhidev_write: data =")); 673 for (i = 0; i < len; i++) 674 DPRINTF((" %02x", d[i])); 675 DPRINTF(("\n")); 676 } 677 #endif 678 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 679 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 680 } 681
Indexes created Mon Sep 29 03:10:08 GMT 2025