uhidev.c revision 1.35.10.2
1 /* $NetBSD: uhidev.c,v 1.35.10.2 2008/01/09 01:54:43 matt 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 * 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 1.35.10.2 2008/01/09 01:54:43 matt 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 USB_DECLARE_DRIVER(uhidev); 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_ptr_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_ptr_t self, enum devact act) 355 { 356 struct uhidev_softc *sc = (struct uhidev_softc *)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 USB_DETACH(uhidev) 379 { 380 USB_DETACH_START(uhidev, sc); 381 int i, rv; 382 383 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 384 385 sc->sc_dying = 1; 386 if (sc->sc_ipipe != NULL) 387 usbd_abort_pipe(sc->sc_ipipe); 388 389 if (sc->sc_repdesc != NULL) 390 free(sc->sc_repdesc, M_USBDEV); 391 392 rv = 0; 393 for (i = 0; i < sc->sc_nrepid; i++) { 394 if (sc->sc_subdevs[i] != NULL) { 395 #if NRND > 0 396 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 397 #endif 398 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 399 sc->sc_subdevs[i] = NULL; 400 } 401 } 402 403 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 404 USBDEV(sc->sc_dev)); 405 406 pmf_device_deregister(self); 407 408 return (rv); 409 } 410 411 void 412 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 413 { 414 struct uhidev_softc *sc = addr; 415 struct uhidev *scd; 416 u_char *p; 417 u_int rep; 418 u_int32_t cc; 419 420 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 421 422 #ifdef UHIDEV_DEBUG 423 if (uhidevdebug > 5) { 424 u_int32_t i; 425 426 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 427 DPRINTF(("uhidev_intr: data =")); 428 for (i = 0; i < cc; i++) 429 DPRINTF((" %02x", sc->sc_ibuf[i])); 430 DPRINTF(("\n")); 431 } 432 #endif 433 434 if (status == USBD_CANCELLED) 435 return; 436 437 if (status != USBD_NORMAL_COMPLETION) { 438 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 439 status)); 440 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 441 return; 442 } 443 444 p = sc->sc_ibuf; 445 if (sc->sc_nrepid != 1) 446 rep = *p++, cc--; 447 else 448 rep = 0; 449 if (rep >= sc->sc_nrepid) { 450 printf("uhidev_intr: bad repid %d\n", rep); 451 return; 452 } 453 scd = sc->sc_subdevs[rep]; 454 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 455 rep, scd, scd ? scd->sc_state : 0)); 456 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 457 return; 458 if (scd->sc_in_rep_size != cc) { 459 printf("%s: bad input length %d != %d\n", 460 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 461 return; 462 } 463 #if NRND > 0 464 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 465 #endif 466 scd->sc_intr(scd, p, cc); 467 } 468 469 void 470 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 471 { 472 *desc = sc->sc_repdesc; 473 *size = sc->sc_repdesc_size; 474 } 475 476 int 477 uhidev_open(struct uhidev *scd) 478 { 479 struct uhidev_softc *sc = scd->sc_parent; 480 usbd_status err; 481 int error; 482 483 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 484 scd->sc_state, sc->sc_refcnt)); 485 486 if (scd->sc_state & UHIDEV_OPEN) 487 return (EBUSY); 488 scd->sc_state |= UHIDEV_OPEN; 489 if (sc->sc_refcnt++) 490 return (0); 491 492 if (sc->sc_isize == 0) 493 return (0); 494 495 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 496 497 /* Set up input interrupt pipe. */ 498 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 499 sc->sc_iep_addr)); 500 501 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 502 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 503 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 504 if (err != USBD_NORMAL_COMPLETION) { 505 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 506 "error=%d\n", err)); 507 error = EIO; 508 goto out1; 509 } 510 511 /* 512 * Set up output interrupt pipe if an output interrupt endpoint 513 * exists. 514 */ 515 if (sc->sc_oep_addr != -1) { 516 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 517 518 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 519 0, &sc->sc_opipe); 520 521 if (err != USBD_NORMAL_COMPLETION) { 522 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 523 "error=%d\n", err)); 524 error = EIO; 525 goto out2; 526 } 527 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 528 529 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 530 if (sc->sc_oxfer == NULL) { 531 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 532 error = ENOMEM; 533 goto out3; 534 } 535 } 536 537 return (0); 538 out3: 539 /* Abort output pipe */ 540 usbd_close_pipe(sc->sc_opipe); 541 out2: 542 /* Abort input pipe */ 543 usbd_close_pipe(sc->sc_ipipe); 544 out1: 545 DPRINTF(("uhidev_open: failed in someway")); 546 free(sc->sc_ibuf, M_USBDEV); 547 scd->sc_state &= ~UHIDEV_OPEN; 548 sc->sc_refcnt = 0; 549 sc->sc_ipipe = NULL; 550 sc->sc_opipe = NULL; 551 sc->sc_oxfer = NULL; 552 return error; 553 } 554 555 void 556 uhidev_close(struct uhidev *scd) 557 { 558 struct uhidev_softc *sc = scd->sc_parent; 559 560 if (!(scd->sc_state & UHIDEV_OPEN)) 561 return; 562 scd->sc_state &= ~UHIDEV_OPEN; 563 if (--sc->sc_refcnt) 564 return; 565 DPRINTF(("uhidev_close: close pipe\n")); 566 567 if (sc->sc_oxfer != NULL) 568 usbd_free_xfer(sc->sc_oxfer); 569 570 /* Disable interrupts. */ 571 if (sc->sc_opipe != NULL) { 572 usbd_abort_pipe(sc->sc_opipe); 573 usbd_close_pipe(sc->sc_opipe); 574 sc->sc_opipe = NULL; 575 } 576 577 if (sc->sc_ipipe != NULL) { 578 usbd_abort_pipe(sc->sc_ipipe); 579 usbd_close_pipe(sc->sc_ipipe); 580 sc->sc_ipipe = NULL; 581 } 582 583 if (sc->sc_ibuf != NULL) { 584 free(sc->sc_ibuf, M_USBDEV); 585 sc->sc_ibuf = NULL; 586 } 587 } 588 589 usbd_status 590 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 591 { 592 char *buf; 593 usbd_status retstat; 594 595 if (scd->sc_report_id == 0) 596 return usbd_set_report(scd->sc_parent->sc_iface, type, 597 scd->sc_report_id, data, len); 598 599 buf = malloc(len + 1, M_TEMP, M_WAITOK); 600 buf[0] = scd->sc_report_id; 601 memcpy(buf+1, data, len); 602 603 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 604 scd->sc_report_id, buf, len + 1); 605 606 free(buf, M_TEMP); 607 608 return retstat; 609 } 610 611 void 612 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 613 { 614 /* XXX */ 615 char buf[100]; 616 if (scd->sc_report_id) { 617 buf[0] = scd->sc_report_id; 618 memcpy(buf+1, data, len); 619 len++; 620 data = buf; 621 } 622 623 usbd_set_report_async(scd->sc_parent->sc_iface, type, 624 scd->sc_report_id, data, len); 625 } 626 627 usbd_status 628 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 629 { 630 return usbd_get_report(scd->sc_parent->sc_iface, type, 631 scd->sc_report_id, data, len); 632 } 633 634 usbd_status 635 uhidev_write(struct uhidev_softc *sc, void *data, int len) 636 { 637 638 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 639 640 if (sc->sc_opipe == NULL) 641 return USBD_INVAL; 642 643 #ifdef UHIDEV_DEBUG 644 if (uhidevdebug > 50) { 645 646 u_int32_t i; 647 u_int8_t *d = data; 648 649 DPRINTF(("uhidev_write: data =")); 650 for (i = 0; i < len; i++) 651 DPRINTF((" %02x", d[i])); 652 DPRINTF(("\n")); 653 } 654 #endif 655 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 656 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 657 } 658
Indexes created Mon Sep 29 18:09:42 GMT 2025