uhidev.c revision 1.26
1 /* $NetBSD: uhidev.c,v 1.26 2005/05/11 10:02:28 augustss 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 1.26 2005/05/11 10:02:28 augustss 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 *buf, int len); 84 Static int uhidevprint(void *aux, const char *pnp); 85 Static int uhidevsubmatch(struct device *parent, struct cfdata *cf, 86 const locdesc_t *, void *aux); 87 88 USB_DECLARE_DRIVER(uhidev); 89 90 USB_MATCH(uhidev) 91 { 92 USB_MATCH_START(uhidev, uaa); 93 usb_interface_descriptor_t *id; 94 95 if (uaa->iface == NULL) 96 return (UMATCH_NONE); 97 id = usbd_get_interface_descriptor(uaa->iface); 98 if (id == NULL || id->bInterfaceClass != UICLASS_HID) 99 return (UMATCH_NONE); 100 if (uaa->matchlvl) 101 return (uaa->matchlvl); 102 return (UMATCH_IFACECLASS_GENERIC); 103 } 104 105 USB_ATTACH(uhidev) 106 { 107 USB_ATTACH_START(uhidev, sc, uaa); 108 usbd_interface_handle iface = uaa->iface; 109 usb_interface_descriptor_t *id; 110 usb_endpoint_descriptor_t *ed; 111 struct uhidev_attach_arg uha; 112 struct uhidev *dev; 113 int size, nrepid, repid, repsz; 114 int repsizes[256]; 115 int i; 116 void *desc; 117 const void *descptr; 118 usbd_status err; 119 char *devinfop; 120 int help[2]; 121 locdesc_t *ldesc = (void *)help; /* XXX */ 122 123 sc->sc_udev = uaa->device; 124 sc->sc_iface = iface; 125 id = usbd_get_interface_descriptor(iface); 126 127 devinfop = usbd_devinfo_alloc(uaa->device, 0); 128 USB_ATTACH_SETUP; 129 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 130 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 131 usbd_devinfo_free(devinfop); 132 133 (void)usbd_set_idle(iface, 0, 0); 134 #if 0 135 136 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 137 if ((qflags & UQ_NO_SET_PROTO) == 0 && 138 id->bInterfaceSubClass != UISUBCLASS_BOOT) 139 (void)usbd_set_protocol(iface, 1); 140 #endif 141 142 sc->sc_iep_addr = sc->sc_oep_addr = -1; 143 for (i = 0; i < id->bNumEndpoints; i++) { 144 ed = usbd_interface2endpoint_descriptor(iface, i); 145 if (ed == NULL) { 146 printf("%s: could not read endpoint descriptor\n", 147 USBDEVNAME(sc->sc_dev)); 148 sc->sc_dying = 1; 149 USB_ATTACH_ERROR_RETURN; 150 } 151 152 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 153 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 154 " bInterval=%d\n", 155 ed->bLength, ed->bDescriptorType, 156 ed->bEndpointAddress & UE_ADDR, 157 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 158 ed->bmAttributes & UE_XFERTYPE, 159 UGETW(ed->wMaxPacketSize), ed->bInterval)); 160 161 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 162 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 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 printf("%s: unexpected endpoint\n", USBDEVNAME(sc->sc_dev)); 169 sc->sc_dying = 1; 170 USB_ATTACH_ERROR_RETURN; 171 } 172 } 173 174 /* 175 * Check that we found an input interrupt endpoint. The output interrupt 176 * endpoint is optional 177 */ 178 if (sc->sc_iep_addr == -1) { 179 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 180 sc->sc_dying = 1; 181 USB_ATTACH_ERROR_RETURN; 182 } 183 184 /* XXX need to extend this */ 185 descptr = NULL; 186 if (uaa->vendor == USB_VENDOR_WACOM) { 187 static uByte reportbuf[] = {2, 2, 2}; 188 189 /* The report descriptor for the Wacom Graphire is broken. */ 190 switch (uaa->product) { 191 case USB_PRODUCT_WACOM_GRAPHIRE: 192 size = sizeof uhid_graphire_report_descr; 193 descptr = uhid_graphire_report_descr; 194 break; 195 196 case USB_PRODUCT_WACOM_GRAPHIRE3_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 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 229 sc->sc_dying = 1; 230 USB_ATTACH_ERROR_RETURN; 231 } 232 233 sc->sc_repdesc = desc; 234 sc->sc_repdesc_size = size; 235 236 uha.uaa = uaa; 237 nrepid = uhidev_maxrepid(desc, size); 238 if (nrepid < 0) 239 USB_ATTACH_SUCCESS_RETURN; 240 if (nrepid > 0) 241 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 242 nrepid++; 243 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 244 M_USBDEV, M_NOWAIT | M_ZERO); 245 if (sc->sc_subdevs == NULL) { 246 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 247 USB_ATTACH_ERROR_RETURN; 248 } 249 sc->sc_nrepid = nrepid; 250 sc->sc_isize = 0; 251 252 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 253 USBDEV(sc->sc_dev)); 254 255 for (repid = 0; repid < nrepid; repid++) { 256 repsz = hid_report_size(desc, size, hid_input, repid); 257 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 258 repsizes[repid] = repsz; 259 if (repsz > 0) { 260 if (repsz > sc->sc_isize) 261 sc->sc_isize = repsz; 262 } 263 } 264 sc->sc_isize += nrepid != 1; /* space for report ID */ 265 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 266 267 uha.parent = sc; 268 for (repid = 0; repid < nrepid; repid++) { 269 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 270 if (hid_report_size(desc, size, hid_input, repid) == 0 && 271 hid_report_size(desc, size, hid_output, repid) == 0 && 272 hid_report_size(desc, size, hid_feature, repid) == 0) { 273 ; /* already NULL in sc->sc_subdevs[repid] */ 274 } else { 275 uha.reportid = repid; 276 ldesc->len = 1; 277 ldesc->locs[UHIDBUSCF_REPORTID] = repid; 278 279 dev = (struct uhidev *)config_found_sm_loc(self, 280 "uhidbus", ldesc, &uha, 281 uhidevprint, uhidevsubmatch); 282 sc->sc_subdevs[repid] = dev; 283 if (dev != NULL) { 284 dev->sc_in_rep_size = repsizes[repid]; 285 #ifdef DIAGNOSTIC 286 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 287 repid, dev)); 288 if (dev->sc_intr == NULL) { 289 printf("%s: sc_intr == NULL\n", 290 USBDEVNAME(sc->sc_dev)); 291 USB_ATTACH_ERROR_RETURN; 292 } 293 #endif 294 #if NRND > 0 295 rnd_attach_source(&dev->rnd_source, 296 USBDEVNAME(dev->sc_dev), 297 RND_TYPE_TTY, 0); 298 #endif 299 } 300 } 301 } 302 303 USB_ATTACH_SUCCESS_RETURN; 304 } 305 306 int 307 uhidev_maxrepid(void *buf, int len) 308 { 309 struct hid_data *d; 310 struct hid_item h; 311 int maxid; 312 313 maxid = -1; 314 h.report_ID = 0; 315 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 316 if (h.report_ID > maxid) 317 maxid = h.report_ID; 318 hid_end_parse(d); 319 return (maxid); 320 } 321 322 int 323 uhidevprint(void *aux, const char *pnp) 324 { 325 struct uhidev_attach_arg *uha = aux; 326 327 if (pnp) 328 aprint_normal("uhid at %s", pnp); 329 if (uha->reportid != 0) 330 aprint_normal(" reportid %d", uha->reportid); 331 return (UNCONF); 332 } 333 334 int 335 uhidevsubmatch(struct device *parent, struct cfdata *cf, 336 const locdesc_t *ldesc, void *aux) 337 { 338 struct uhidev_attach_arg *uha = aux; 339 340 if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT && 341 cf->cf_loc[UHIDBUSCF_REPORTID] != ldesc->locs[UHIDBUSCF_REPORTID]) 342 return (0); 343 344 if (cf->cf_loc[UHIDBUSCF_REPORTID] == ldesc->locs[UHIDBUSCF_REPORTID]) 345 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 346 else 347 uha->matchlvl = 0; 348 return (config_match(parent, cf, aux)); 349 } 350 351 int 352 uhidev_activate(device_ptr_t self, enum devact act) 353 { 354 struct uhidev_softc *sc = (struct uhidev_softc *)self; 355 int i, rv; 356 357 switch (act) { 358 case DVACT_ACTIVATE: 359 return (EOPNOTSUPP); 360 361 case DVACT_DEACTIVATE: 362 rv = 0; 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 default: 370 rv = 0; 371 break; 372 } 373 return (rv); 374 } 375 376 USB_DETACH(uhidev) 377 { 378 USB_DETACH_START(uhidev, sc); 379 int i, rv; 380 381 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 382 383 sc->sc_dying = 1; 384 if (sc->sc_ipipe != NULL) 385 usbd_abort_pipe(sc->sc_ipipe); 386 387 if (sc->sc_repdesc != NULL) 388 free(sc->sc_repdesc, M_USBDEV); 389 390 rv = 0; 391 for (i = 0; i < sc->sc_nrepid; i++) { 392 if (sc->sc_subdevs[i] != NULL) { 393 #if NRND > 0 394 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 395 #endif 396 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 397 sc->sc_subdevs[i] = NULL; 398 } 399 } 400 401 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 402 USBDEV(sc->sc_dev)); 403 404 return (rv); 405 } 406 407 void 408 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 409 { 410 struct uhidev_softc *sc = addr; 411 struct uhidev *scd; 412 u_char *p; 413 u_int rep; 414 u_int32_t cc; 415 416 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 417 418 #ifdef UHIDEV_DEBUG 419 if (uhidevdebug > 5) { 420 u_int32_t i; 421 422 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 423 DPRINTF(("uhidev_intr: data =")); 424 for (i = 0; i < cc; i++) 425 DPRINTF((" %02x", sc->sc_ibuf[i])); 426 DPRINTF(("\n")); 427 } 428 #endif 429 430 if (status == USBD_CANCELLED) 431 return; 432 433 if (status != USBD_NORMAL_COMPLETION) { 434 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 435 status)); 436 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 437 return; 438 } 439 440 p = sc->sc_ibuf; 441 if (sc->sc_nrepid != 1) 442 rep = *p++, cc--; 443 else 444 rep = 0; 445 if (rep >= sc->sc_nrepid) { 446 printf("uhidev_intr: bad repid %d\n", rep); 447 return; 448 } 449 scd = sc->sc_subdevs[rep]; 450 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 451 rep, scd, scd ? scd->sc_state : 0)); 452 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 453 return; 454 if (scd->sc_in_rep_size != cc) { 455 printf("%s: bad input length %d != %d\n", 456 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 457 return; 458 } 459 #if NRND > 0 460 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 461 #endif 462 scd->sc_intr(scd, p, cc); 463 } 464 465 void 466 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 467 { 468 *desc = sc->sc_repdesc; 469 *size = sc->sc_repdesc_size; 470 } 471 472 int 473 uhidev_open(struct uhidev *scd) 474 { 475 struct uhidev_softc *sc = scd->sc_parent; 476 usbd_status err; 477 int error; 478 479 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 480 scd->sc_state, sc->sc_refcnt)); 481 482 if (scd->sc_state & UHIDEV_OPEN) 483 return (EBUSY); 484 scd->sc_state |= UHIDEV_OPEN; 485 if (sc->sc_refcnt++) 486 return (0); 487 488 if (sc->sc_isize == 0) 489 return (0); 490 491 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 492 493 /* Set up input interrupt pipe. */ 494 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 495 sc->sc_iep_addr)); 496 497 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 498 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 499 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 500 if (err != USBD_NORMAL_COMPLETION) { 501 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 502 "error=%d\n", err)); 503 error = EIO; 504 goto out1; 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 } 532 533 return (0); 534 out3: 535 /* Abort output pipe */ 536 usbd_close_pipe(sc->sc_opipe); 537 out2: 538 /* Abort input pipe */ 539 usbd_close_pipe(sc->sc_ipipe); 540 out1: 541 DPRINTF(("uhidev_open: failed in someway")); 542 free(sc->sc_ibuf, M_USBDEV); 543 scd->sc_state &= ~UHIDEV_OPEN; 544 sc->sc_refcnt = 0; 545 sc->sc_ipipe = NULL; 546 sc->sc_opipe = NULL; 547 sc->sc_oxfer = NULL; 548 return error; 549 } 550 551 void 552 uhidev_close(struct uhidev *scd) 553 { 554 struct uhidev_softc *sc = scd->sc_parent; 555 556 if (!(scd->sc_state & UHIDEV_OPEN)) 557 return; 558 scd->sc_state &= ~UHIDEV_OPEN; 559 if (--sc->sc_refcnt) 560 return; 561 DPRINTF(("uhidev_close: close pipe\n")); 562 563 if (sc->sc_oxfer != NULL) 564 usbd_free_xfer(sc->sc_oxfer); 565 566 /* Disable interrupts. */ 567 if (sc->sc_opipe != NULL) { 568 usbd_abort_pipe(sc->sc_opipe); 569 usbd_close_pipe(sc->sc_opipe); 570 sc->sc_opipe = NULL; 571 } 572 573 if (sc->sc_ipipe != NULL) { 574 usbd_abort_pipe(sc->sc_ipipe); 575 usbd_close_pipe(sc->sc_ipipe); 576 sc->sc_ipipe = NULL; 577 } 578 579 if (sc->sc_ibuf != NULL) { 580 free(sc->sc_ibuf, M_USBDEV); 581 sc->sc_ibuf = NULL; 582 } 583 } 584 585 usbd_status 586 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 587 { 588 char *buf; 589 usbd_status retstat; 590 591 if (scd->sc_report_id == 0) 592 return usbd_set_report(scd->sc_parent->sc_iface, type, 593 scd->sc_report_id, data, len); 594 595 buf = malloc(len + 1, M_TEMP, M_WAITOK); 596 buf[0] = scd->sc_report_id; 597 memcpy(buf+1, data, len); 598 599 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 600 scd->sc_report_id, buf, len + 1); 601 602 free(buf, M_TEMP); 603 604 return retstat; 605 } 606 607 void 608 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 609 { 610 /* XXX */ 611 char buf[100]; 612 if (scd->sc_report_id) { 613 buf[0] = scd->sc_report_id; 614 memcpy(buf+1, data, len); 615 len++; 616 data = buf; 617 } 618 619 usbd_set_report_async(scd->sc_parent->sc_iface, type, 620 scd->sc_report_id, data, len); 621 } 622 623 usbd_status 624 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 625 { 626 return usbd_get_report(scd->sc_parent->sc_iface, type, 627 scd->sc_report_id, data, len); 628 } 629 630 usbd_status 631 uhidev_write(struct uhidev_softc *sc, void *data, int len) 632 { 633 634 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 635 636 if (sc->sc_opipe == NULL) 637 return USBD_INVAL; 638 639 #ifdef UHIDEV_DEBUG 640 if (uhidevdebug > 50) { 641 642 u_int32_t i; 643 u_int8_t *d = data; 644 645 DPRINTF(("uhidev_write: data =")); 646 for (i = 0; i < len; i++) 647 DPRINTF((" %02x", d[i])); 648 DPRINTF(("\n")); 649 } 650 #endif 651 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 652 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 653 } 654
Indexes created Tue Sep 23 07:09:52 GMT 2025