uhidev.c revision 1.41
1 /* $NetBSD: uhidev.c,v 1.41 2008/05/24 16:40:58 cube 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 1.41 2008/05/24 16:40:58 cube 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 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_dev = self; 117 sc->sc_udev = uaa->device; 118 sc->sc_iface = iface; 119 id = usbd_get_interface_descriptor(iface); 120 121 devinfop = usbd_devinfo_alloc(uaa->device, 0); 122 USB_ATTACH_SETUP; 123 aprint_normal_dev(self, "%s, iclass %d/%d\n", 124 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 125 usbd_devinfo_free(devinfop); 126 127 if (!pmf_device_register(self, NULL, NULL)) 128 aprint_error_dev(self, "couldn't establish power handler\n"); 129 130 (void)usbd_set_idle(iface, 0, 0); 131 #if 0 132 133 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 134 if ((qflags & UQ_NO_SET_PROTO) == 0 && 135 id->bInterfaceSubClass != UISUBCLASS_BOOT) 136 (void)usbd_set_protocol(iface, 1); 137 #endif 138 139 sc->sc_iep_addr = sc->sc_oep_addr = -1; 140 for (i = 0; i < id->bNumEndpoints; i++) { 141 ed = usbd_interface2endpoint_descriptor(iface, i); 142 if (ed == NULL) { 143 aprint_error_dev(self, 144 "could not read endpoint descriptor\n"); 145 sc->sc_dying = 1; 146 USB_ATTACH_ERROR_RETURN; 147 } 148 149 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 150 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 151 " bInterval=%d\n", 152 ed->bLength, ed->bDescriptorType, 153 ed->bEndpointAddress & UE_ADDR, 154 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 155 ed->bmAttributes & UE_XFERTYPE, 156 UGETW(ed->wMaxPacketSize), ed->bInterval)); 157 158 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 159 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 160 sc->sc_iep_addr = ed->bEndpointAddress; 161 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 162 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 163 sc->sc_oep_addr = ed->bEndpointAddress; 164 } else { 165 aprint_verbose_dev(self, "endpoint %d: ignored\n", 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_dev(self, "no input interrupt endpoint\n"); 175 sc->sc_dying = 1; 176 USB_ATTACH_ERROR_RETURN; 177 } 178 179 /* XXX need to extend this */ 180 descptr = NULL; 181 if (uaa->vendor == USB_VENDOR_WACOM) { 182 static uByte reportbuf[] = {2, 2, 2}; 183 184 /* The report descriptor for the Wacom Graphire is broken. */ 185 switch (uaa->product) { 186 case USB_PRODUCT_WACOM_GRAPHIRE: 187 size = sizeof uhid_graphire_report_descr; 188 descptr = uhid_graphire_report_descr; 189 break; 190 191 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 192 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 193 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 194 /* 195 * The Graphire3 needs 0x0202 to be written to 196 * feature report ID 2 before it'll start 197 * returning digitizer data. 198 */ 199 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 200 &reportbuf, sizeof reportbuf); 201 202 size = sizeof uhid_graphire3_4x5_report_descr; 203 descptr = uhid_graphire3_4x5_report_descr; 204 break; 205 default: 206 /* Keep descriptor */ 207 break; 208 } 209 } 210 211 if (descptr) { 212 desc = malloc(size, M_USBDEV, M_NOWAIT); 213 if (desc == NULL) 214 err = USBD_NOMEM; 215 else { 216 err = USBD_NORMAL_COMPLETION; 217 memcpy(desc, descptr, size); 218 } 219 } else { 220 desc = NULL; 221 err = usbd_read_report_desc(uaa->iface, &desc, &size, 222 M_USBDEV); 223 } 224 if (err) { 225 aprint_error_dev(self, "no report descriptor\n"); 226 sc->sc_dying = 1; 227 USB_ATTACH_ERROR_RETURN; 228 } 229 230 if (uaa->vendor == USB_VENDOR_HOSIDEN && 231 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 232 static uByte reportbuf[] = { 1 }; 233 /* 234 * This device was sold by Konami with its ParaParaParadise 235 * game for PlayStation2. It needs to be "turned on" 236 * before it will send any reports. 237 */ 238 239 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 240 &reportbuf, sizeof reportbuf); 241 } 242 243 sc->sc_repdesc = desc; 244 sc->sc_repdesc_size = size; 245 246 uha.uaa = uaa; 247 nrepid = uhidev_maxrepid(desc, size); 248 if (nrepid < 0) 249 USB_ATTACH_SUCCESS_RETURN; 250 if (nrepid > 0) 251 aprint_normal_dev(self, "%d report ids\n", nrepid); 252 nrepid++; 253 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 254 if (repsizes == NULL) 255 goto nomem; 256 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 257 M_USBDEV, M_NOWAIT | M_ZERO); 258 if (sc->sc_subdevs == NULL) { 259 free(repsizes, M_TEMP); 260 nomem: 261 aprint_error_dev(self, "no memory\n"); 262 USB_ATTACH_ERROR_RETURN; 263 } 264 sc->sc_nrepid = nrepid; 265 sc->sc_isize = 0; 266 267 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 268 USBDEV(sc->sc_dev)); 269 270 for (repid = 0; repid < nrepid; repid++) { 271 repsz = hid_report_size(desc, size, hid_input, repid); 272 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 273 repsizes[repid] = repsz; 274 if (repsz > 0) { 275 if (repsz > sc->sc_isize) 276 sc->sc_isize = repsz; 277 } 278 } 279 sc->sc_isize += nrepid != 1; /* space for report ID */ 280 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 281 282 uha.parent = sc; 283 for (repid = 0; repid < nrepid; repid++) { 284 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 285 if (hid_report_size(desc, size, hid_input, repid) == 0 && 286 hid_report_size(desc, size, hid_output, repid) == 0 && 287 hid_report_size(desc, size, hid_feature, repid) == 0) { 288 ; /* already NULL in sc->sc_subdevs[repid] */ 289 } else { 290 uha.reportid = repid; 291 locs[UHIDBUSCF_REPORTID] = repid; 292 293 dev = device_private(config_found_sm_loc(self, 294 "uhidbus", locs, &uha, 295 uhidevprint, config_stdsubmatch)); 296 sc->sc_subdevs[repid] = dev; 297 if (dev != NULL) { 298 dev->sc_in_rep_size = repsizes[repid]; 299 #ifdef DIAGNOSTIC 300 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 301 repid, dev)); 302 if (dev->sc_intr == NULL) { 303 free(repsizes, M_TEMP); 304 aprint_error_dev(self, 305 "sc_intr == NULL\n"); 306 USB_ATTACH_ERROR_RETURN; 307 } 308 #endif 309 #if NRND > 0 310 rnd_attach_source(&dev->rnd_source, 311 USBDEVNAME(dev->sc_dev), 312 RND_TYPE_TTY, 0); 313 #endif 314 } 315 } 316 } 317 free(repsizes, M_TEMP); 318 319 USB_ATTACH_SUCCESS_RETURN; 320 } 321 322 int 323 uhidev_maxrepid(void *buf, int len) 324 { 325 struct hid_data *d; 326 struct hid_item h; 327 int maxid; 328 329 maxid = -1; 330 h.report_ID = 0; 331 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 332 if (h.report_ID > maxid) 333 maxid = h.report_ID; 334 hid_end_parse(d); 335 return (maxid); 336 } 337 338 int 339 uhidevprint(void *aux, const char *pnp) 340 { 341 struct uhidev_attach_arg *uha = aux; 342 343 if (pnp) 344 aprint_normal("uhid at %s", pnp); 345 if (uha->reportid != 0) 346 aprint_normal(" reportid %d", uha->reportid); 347 return (UNCONF); 348 } 349 350 int 351 uhidev_activate(device_t self, enum devact act) 352 { 353 struct uhidev_softc *sc = device_private(self); 354 int i, rv; 355 356 switch (act) { 357 case DVACT_ACTIVATE: 358 return (EOPNOTSUPP); 359 360 case DVACT_DEACTIVATE: 361 rv = 0; 362 for (i = 0; i < sc->sc_nrepid; i++) 363 if (sc->sc_subdevs[i] != NULL) 364 rv |= config_deactivate( 365 sc->sc_subdevs[i]->sc_dev); 366 sc->sc_dying = 1; 367 break; 368 default: 369 rv = 0; 370 break; 371 } 372 return (rv); 373 } 374 375 void 376 uhidev_childdet(device_t self, device_t child) 377 { 378 int i; 379 struct uhidev_softc *sc = device_private(self); 380 381 for (i = 0; i < sc->sc_nrepid; i++) { 382 if (sc->sc_subdevs[i]->sc_dev == child) 383 break; 384 } 385 KASSERT(i < sc->sc_nrepid); 386 sc->sc_subdevs[i] = NULL; 387 } 388 389 USB_DETACH(uhidev) 390 { 391 USB_DETACH_START(uhidev, sc); 392 int i, rv; 393 394 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 395 396 sc->sc_dying = 1; 397 if (sc->sc_ipipe != NULL) 398 usbd_abort_pipe(sc->sc_ipipe); 399 400 if (sc->sc_repdesc != NULL) 401 free(sc->sc_repdesc, M_USBDEV); 402 403 rv = 0; 404 for (i = 0; i < sc->sc_nrepid; i++) { 405 if (sc->sc_subdevs[i] != NULL) { 406 #if NRND > 0 407 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 408 #endif 409 rv |= config_detach(sc->sc_subdevs[i]->sc_dev, flags); 410 } 411 } 412 413 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 414 USBDEV(sc->sc_dev)); 415 416 pmf_device_deregister(self); 417 418 return (rv); 419 } 420 421 void 422 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 423 { 424 struct uhidev_softc *sc = addr; 425 struct uhidev *scd; 426 u_char *p; 427 u_int rep; 428 u_int32_t cc; 429 430 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 431 432 #ifdef UHIDEV_DEBUG 433 if (uhidevdebug > 5) { 434 u_int32_t i; 435 436 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 437 DPRINTF(("uhidev_intr: data =")); 438 for (i = 0; i < cc; i++) 439 DPRINTF((" %02x", sc->sc_ibuf[i])); 440 DPRINTF(("\n")); 441 } 442 #endif 443 444 if (status == USBD_CANCELLED) 445 return; 446 447 if (status != USBD_NORMAL_COMPLETION) { 448 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 449 status)); 450 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 451 return; 452 } 453 454 p = sc->sc_ibuf; 455 if (sc->sc_nrepid != 1) 456 rep = *p++, cc--; 457 else 458 rep = 0; 459 if (rep >= sc->sc_nrepid) { 460 printf("uhidev_intr: bad repid %d\n", rep); 461 return; 462 } 463 scd = sc->sc_subdevs[rep]; 464 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 465 rep, scd, scd ? scd->sc_state : 0)); 466 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 467 return; 468 if (scd->sc_in_rep_size != cc) { 469 printf("%s: bad input length %d != %d\n", 470 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 471 return; 472 } 473 #if NRND > 0 474 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 475 #endif 476 scd->sc_intr(scd, p, cc); 477 } 478 479 void 480 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 481 { 482 *desc = sc->sc_repdesc; 483 *size = sc->sc_repdesc_size; 484 } 485 486 int 487 uhidev_open(struct uhidev *scd) 488 { 489 struct uhidev_softc *sc = scd->sc_parent; 490 usbd_status err; 491 int error; 492 493 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 494 scd->sc_state, sc->sc_refcnt)); 495 496 if (scd->sc_state & UHIDEV_OPEN) 497 return (EBUSY); 498 scd->sc_state |= UHIDEV_OPEN; 499 if (sc->sc_refcnt++) 500 return (0); 501 502 if (sc->sc_isize == 0) 503 return (0); 504 505 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 506 507 /* Set up input interrupt pipe. */ 508 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 509 sc->sc_iep_addr)); 510 511 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 512 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 513 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 514 if (err != USBD_NORMAL_COMPLETION) { 515 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 516 "error=%d\n", err)); 517 error = EIO; 518 goto out1; 519 } 520 521 /* 522 * Set up output interrupt pipe if an output interrupt endpoint 523 * exists. 524 */ 525 if (sc->sc_oep_addr != -1) { 526 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 527 528 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 529 0, &sc->sc_opipe); 530 531 if (err != USBD_NORMAL_COMPLETION) { 532 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 533 "error=%d\n", err)); 534 error = EIO; 535 goto out2; 536 } 537 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 538 539 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 540 if (sc->sc_oxfer == NULL) { 541 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 542 error = ENOMEM; 543 goto out3; 544 } 545 } 546 547 return (0); 548 out3: 549 /* Abort output pipe */ 550 usbd_close_pipe(sc->sc_opipe); 551 out2: 552 /* Abort input pipe */ 553 usbd_close_pipe(sc->sc_ipipe); 554 out1: 555 DPRINTF(("uhidev_open: failed in someway")); 556 free(sc->sc_ibuf, M_USBDEV); 557 scd->sc_state &= ~UHIDEV_OPEN; 558 sc->sc_refcnt = 0; 559 sc->sc_ipipe = NULL; 560 sc->sc_opipe = NULL; 561 sc->sc_oxfer = NULL; 562 return error; 563 } 564 565 void 566 uhidev_close(struct uhidev *scd) 567 { 568 struct uhidev_softc *sc = scd->sc_parent; 569 570 if (!(scd->sc_state & UHIDEV_OPEN)) 571 return; 572 scd->sc_state &= ~UHIDEV_OPEN; 573 if (--sc->sc_refcnt) 574 return; 575 DPRINTF(("uhidev_close: close pipe\n")); 576 577 if (sc->sc_oxfer != NULL) 578 usbd_free_xfer(sc->sc_oxfer); 579 580 /* Disable interrupts. */ 581 if (sc->sc_opipe != NULL) { 582 usbd_abort_pipe(sc->sc_opipe); 583 usbd_close_pipe(sc->sc_opipe); 584 sc->sc_opipe = NULL; 585 } 586 587 if (sc->sc_ipipe != NULL) { 588 usbd_abort_pipe(sc->sc_ipipe); 589 usbd_close_pipe(sc->sc_ipipe); 590 sc->sc_ipipe = NULL; 591 } 592 593 if (sc->sc_ibuf != NULL) { 594 free(sc->sc_ibuf, M_USBDEV); 595 sc->sc_ibuf = NULL; 596 } 597 } 598 599 usbd_status 600 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 601 { 602 char *buf; 603 usbd_status retstat; 604 605 if (scd->sc_report_id == 0) 606 return usbd_set_report(scd->sc_parent->sc_iface, type, 607 scd->sc_report_id, data, len); 608 609 buf = malloc(len + 1, M_TEMP, M_WAITOK); 610 buf[0] = scd->sc_report_id; 611 memcpy(buf+1, data, len); 612 613 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 614 scd->sc_report_id, buf, len + 1); 615 616 free(buf, M_TEMP); 617 618 return retstat; 619 } 620 621 void 622 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 623 { 624 /* XXX */ 625 char buf[100]; 626 if (scd->sc_report_id) { 627 buf[0] = scd->sc_report_id; 628 memcpy(buf+1, data, len); 629 len++; 630 data = buf; 631 } 632 633 usbd_set_report_async(scd->sc_parent->sc_iface, type, 634 scd->sc_report_id, data, len); 635 } 636 637 usbd_status 638 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 639 { 640 return usbd_get_report(scd->sc_parent->sc_iface, type, 641 scd->sc_report_id, data, len); 642 } 643 644 usbd_status 645 uhidev_write(struct uhidev_softc *sc, void *data, int len) 646 { 647 648 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 649 650 if (sc->sc_opipe == NULL) 651 return USBD_INVAL; 652 653 #ifdef UHIDEV_DEBUG 654 if (uhidevdebug > 50) { 655 656 u_int32_t i; 657 u_int8_t *d = data; 658 659 DPRINTF(("uhidev_write: data =")); 660 for (i = 0; i < len; i++) 661 DPRINTF((" %02x", d[i])); 662 DPRINTF(("\n")); 663 } 664 #endif 665 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 666 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 667 } 668
Indexes created Mon Sep 29 03:10:08 GMT 2025