uhidev.c revision 1.42.8.1
1 /* $NetBSD: uhidev.c,v 1.42.8.1 2009/11/27 08:54:13 sborrill 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 1.42.8.1 2009/11/27 08:54:13 sborrill 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 maxinpktsize, 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 id = usbd_get_interface_descriptor(iface); 121 122 devinfop = usbd_devinfo_alloc(uaa->device, 0); 123 USB_ATTACH_SETUP; 124 aprint_normal_dev(self, "%s, iclass %d/%d\n", 125 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 126 usbd_devinfo_free(devinfop); 127 128 if (!pmf_device_register(self, NULL, NULL)) 129 aprint_error_dev(self, "couldn't establish power handler\n"); 130 131 (void)usbd_set_idle(iface, 0, 0); 132 #if 0 133 134 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 135 if ((qflags & UQ_NO_SET_PROTO) == 0 && 136 id->bInterfaceSubClass != UISUBCLASS_BOOT) 137 (void)usbd_set_protocol(iface, 1); 138 #endif 139 140 maxinpktsize = 0; 141 sc->sc_iep_addr = sc->sc_oep_addr = -1; 142 for (i = 0; i < id->bNumEndpoints; i++) { 143 ed = usbd_interface2endpoint_descriptor(iface, i); 144 if (ed == NULL) { 145 aprint_error_dev(self, 146 "could not read endpoint descriptor\n"); 147 sc->sc_dying = 1; 148 USB_ATTACH_ERROR_RETURN; 149 } 150 151 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 152 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 153 " bInterval=%d\n", 154 ed->bLength, ed->bDescriptorType, 155 ed->bEndpointAddress & UE_ADDR, 156 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 157 ed->bmAttributes & UE_XFERTYPE, 158 UGETW(ed->wMaxPacketSize), ed->bInterval)); 159 160 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 161 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 162 maxinpktsize = UGETW(ed->wMaxPacketSize); 163 sc->sc_iep_addr = ed->bEndpointAddress; 164 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 165 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 166 sc->sc_oep_addr = ed->bEndpointAddress; 167 } else { 168 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 169 } 170 } 171 172 /* 173 * Check that we found an input interrupt endpoint. The output interrupt 174 * endpoint is optional 175 */ 176 if (sc->sc_iep_addr == -1) { 177 aprint_error_dev(self, "no input interrupt endpoint\n"); 178 sc->sc_dying = 1; 179 USB_ATTACH_ERROR_RETURN; 180 } 181 182 /* XXX need to extend this */ 183 descptr = NULL; 184 if (uaa->vendor == USB_VENDOR_WACOM) { 185 static uByte reportbuf[] = {2, 2, 2}; 186 187 /* The report descriptor for the Wacom Graphire is broken. */ 188 switch (uaa->product) { 189 case USB_PRODUCT_WACOM_GRAPHIRE: 190 size = sizeof uhid_graphire_report_descr; 191 descptr = uhid_graphire_report_descr; 192 break; 193 194 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 195 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 196 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 197 /* 198 * The Graphire3 needs 0x0202 to be written to 199 * feature report ID 2 before it'll start 200 * returning digitizer data. 201 */ 202 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 203 &reportbuf, sizeof reportbuf); 204 205 size = sizeof uhid_graphire3_4x5_report_descr; 206 descptr = uhid_graphire3_4x5_report_descr; 207 break; 208 default: 209 /* Keep descriptor */ 210 break; 211 } 212 } 213 214 if (descptr) { 215 desc = malloc(size, M_USBDEV, M_NOWAIT); 216 if (desc == NULL) 217 err = USBD_NOMEM; 218 else { 219 err = USBD_NORMAL_COMPLETION; 220 memcpy(desc, descptr, size); 221 } 222 } else { 223 desc = NULL; 224 err = usbd_read_report_desc(uaa->iface, &desc, &size, 225 M_USBDEV); 226 } 227 if (err) { 228 aprint_error_dev(self, "no report descriptor\n"); 229 sc->sc_dying = 1; 230 USB_ATTACH_ERROR_RETURN; 231 } 232 233 if (uaa->vendor == USB_VENDOR_HOSIDEN && 234 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 235 static uByte reportbuf[] = { 1 }; 236 /* 237 * This device was sold by Konami with its ParaParaParadise 238 * game for PlayStation2. It needs to be "turned on" 239 * before it will send any reports. 240 */ 241 242 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 243 &reportbuf, sizeof reportbuf); 244 } 245 246 sc->sc_repdesc = desc; 247 sc->sc_repdesc_size = size; 248 249 uha.uaa = uaa; 250 nrepid = uhidev_maxrepid(desc, size); 251 if (nrepid < 0) 252 USB_ATTACH_SUCCESS_RETURN; 253 if (nrepid > 0) 254 aprint_normal_dev(self, "%d report ids\n", 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_dev(self, "no memory\n"); 265 USB_ATTACH_ERROR_RETURN; 266 } 267 268 /* Just request max packet size for the interrupt pipe */ 269 sc->sc_isize = maxinpktsize; 270 sc->sc_nrepid = nrepid; 271 272 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 273 USBDEV(sc->sc_dev)); 274 275 for (repid = 0; repid < nrepid; repid++) { 276 repsz = hid_report_size(desc, size, hid_input, repid); 277 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 278 repsizes[repid] = repsz; 279 } 280 281 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 282 283 uha.parent = sc; 284 for (repid = 0; repid < nrepid; repid++) { 285 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 286 if (hid_report_size(desc, size, hid_input, repid) == 0 && 287 hid_report_size(desc, size, hid_output, repid) == 0 && 288 hid_report_size(desc, size, hid_feature, repid) == 0) { 289 ; /* already NULL in sc->sc_subdevs[repid] */ 290 } else { 291 uha.reportid = repid; 292 locs[UHIDBUSCF_REPORTID] = repid; 293 294 dev = config_found_sm_loc(self, 295 "uhidbus", locs, &uha, 296 uhidevprint, config_stdsubmatch); 297 sc->sc_subdevs[repid] = dev; 298 if (dev != NULL) { 299 csc = device_private(dev); 300 csc->sc_in_rep_size = repsizes[repid]; 301 #ifdef DIAGNOSTIC 302 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 303 repid, dev)); 304 if (csc->sc_intr == NULL) { 305 free(repsizes, M_TEMP); 306 aprint_error_dev(self, 307 "sc_intr == NULL\n"); 308 USB_ATTACH_ERROR_RETURN; 309 } 310 #endif 311 #if NRND > 0 312 rnd_attach_source(&csc->rnd_source, 313 USBDEVNAME(dev), 314 RND_TYPE_TTY, 0); 315 #endif 316 } 317 } 318 } 319 free(repsizes, M_TEMP); 320 321 USB_ATTACH_SUCCESS_RETURN; 322 } 323 324 int 325 uhidev_maxrepid(void *buf, int len) 326 { 327 struct hid_data *d; 328 struct hid_item h; 329 int maxid; 330 331 maxid = -1; 332 h.report_ID = 0; 333 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 334 if (h.report_ID > maxid) 335 maxid = h.report_ID; 336 hid_end_parse(d); 337 return (maxid); 338 } 339 340 int 341 uhidevprint(void *aux, const char *pnp) 342 { 343 struct uhidev_attach_arg *uha = aux; 344 345 if (pnp) 346 aprint_normal("uhid at %s", pnp); 347 if (uha->reportid != 0) 348 aprint_normal(" reportid %d", uha->reportid); 349 return (UNCONF); 350 } 351 352 int 353 uhidev_activate(device_t self, enum devact act) 354 { 355 struct uhidev_softc *sc = device_private(self); 356 int i, rv; 357 358 switch (act) { 359 case DVACT_ACTIVATE: 360 return (EOPNOTSUPP); 361 362 case DVACT_DEACTIVATE: 363 rv = 0; 364 for (i = 0; i < sc->sc_nrepid; i++) 365 if (sc->sc_subdevs[i] != NULL) 366 rv |= config_deactivate( 367 sc->sc_subdevs[i]); 368 sc->sc_dying = 1; 369 break; 370 default: 371 rv = 0; 372 break; 373 } 374 return (rv); 375 } 376 377 void 378 uhidev_childdet(device_t self, device_t child) 379 { 380 int i; 381 struct uhidev_softc *sc = device_private(self); 382 383 for (i = 0; i < sc->sc_nrepid; i++) { 384 if (sc->sc_subdevs[i] == child) 385 break; 386 } 387 KASSERT(i < sc->sc_nrepid); 388 sc->sc_subdevs[i] = NULL; 389 } 390 391 USB_DETACH(uhidev) 392 { 393 USB_DETACH_START(uhidev, sc); 394 int i, rv; 395 #if NRND > 0 396 struct uhidev *csc; 397 #endif 398 399 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 400 401 sc->sc_dying = 1; 402 if (sc->sc_ipipe != NULL) 403 usbd_abort_pipe(sc->sc_ipipe); 404 405 if (sc->sc_repdesc != NULL) 406 free(sc->sc_repdesc, M_USBDEV); 407 408 rv = 0; 409 for (i = 0; i < sc->sc_nrepid; i++) { 410 if (sc->sc_subdevs[i] != NULL) { 411 #if NRND > 0 412 csc = device_private(sc->sc_subdevs[i]); 413 rnd_detach_source(&csc->rnd_source); 414 #endif 415 rv |= config_detach(sc->sc_subdevs[i], flags); 416 } 417 } 418 419 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 420 USBDEV(sc->sc_dev)); 421 422 pmf_device_deregister(self); 423 424 return (rv); 425 } 426 427 void 428 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 429 { 430 struct uhidev_softc *sc = addr; 431 device_t cdev; 432 struct uhidev *scd; 433 u_char *p; 434 u_int rep; 435 u_int32_t cc; 436 437 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 438 439 #ifdef UHIDEV_DEBUG 440 if (uhidevdebug > 5) { 441 u_int32_t i; 442 443 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 444 DPRINTF(("uhidev_intr: data =")); 445 for (i = 0; i < cc; i++) 446 DPRINTF((" %02x", sc->sc_ibuf[i])); 447 DPRINTF(("\n")); 448 } 449 #endif 450 451 if (status == USBD_CANCELLED) 452 return; 453 454 if (status != USBD_NORMAL_COMPLETION) { 455 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 456 status)); 457 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 458 return; 459 } 460 461 p = sc->sc_ibuf; 462 if (sc->sc_nrepid != 1) 463 rep = *p++, cc--; 464 else 465 rep = 0; 466 if (rep >= sc->sc_nrepid) { 467 printf("uhidev_intr: bad repid %d\n", rep); 468 return; 469 } 470 cdev = sc->sc_subdevs[rep]; 471 if (!cdev) 472 return; 473 scd = device_private(cdev); 474 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 475 rep, scd, scd ? scd->sc_state : 0)); 476 if (!(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
Indexes created Mon Sep 29 18:09:42 GMT 2025