uhidev.c revision 1.33.10.3
1 /* $NetBSD: uhidev.c,v 1.33.10.3 2007/06/21 15:17:29 itohy 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 1.33.10.3 2007/06/21 15:17:29 itohy 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 #ifndef USB_USE_IFATTACH 91 USB_MATCH_START(uhidev, uaa); 92 usb_interface_descriptor_t *id; 93 #else 94 USB_IFMATCH_START(uhidev, uaa); 95 #endif /* USB_USE_IFATTACH */ 96 97 #ifndef USB_USE_IFATTACH 98 if (uaa->iface == NULL) 99 return (UMATCH_NONE); 100 id = usbd_get_interface_descriptor(uaa->iface); 101 if (id == NULL || id->bInterfaceClass != UICLASS_HID) 102 #else 103 if (uaa->class != UICLASS_HID) 104 #endif /* USB_USE_IFATTACH */ 105 return (UMATCH_NONE); 106 return (UMATCH_IFACECLASS_GENERIC); 107 } 108 109 USB_ATTACH(uhidev) 110 { 111 #ifndef USB_USE_IFATTACH 112 USB_ATTACH_START(uhidev, sc, uaa); 113 #else 114 USB_IFATTACH_START(uhidev, sc, uaa); 115 #endif /* USB_USE_IFATTACH */ 116 usbd_interface_handle iface = uaa->iface; 117 usb_interface_descriptor_t *id; 118 usb_endpoint_descriptor_t *ed; 119 struct uhidev_attach_arg uha; 120 struct uhidev *dev; 121 int size, nrepid, repid, repsz; 122 int *repsizes; 123 int i; 124 void *desc; 125 const void *descptr; 126 usbd_status err; 127 char *devinfop; 128 int locs[UHIDBUSCF_NLOCS]; 129 130 sc->sc_udev = uaa->device; 131 sc->sc_iface = iface; 132 id = usbd_get_interface_descriptor(iface); 133 134 devinfop = usbd_devinfo_alloc(uaa->device, 0); 135 USB_ATTACH_SETUP; 136 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 137 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 138 usbd_devinfo_free(devinfop); 139 140 (void)usbd_set_idle(iface, 0, 0); 141 #if 0 142 143 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 144 if ((qflags & UQ_NO_SET_PROTO) == 0 && 145 id->bInterfaceSubClass != UISUBCLASS_BOOT) 146 (void)usbd_set_protocol(iface, 1); 147 #endif 148 149 sc->sc_iep_addr = sc->sc_oep_addr = -1; 150 for (i = 0; i < id->bNumEndpoints; i++) { 151 ed = usbd_interface2endpoint_descriptor(iface, i); 152 if (ed == NULL) { 153 printf("%s: could not read endpoint descriptor\n", 154 USBDEVNAME(sc->sc_dev)); 155 sc->sc_dying = 1; 156 USB_ATTACH_ERROR_RETURN; 157 } 158 159 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 160 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 161 " bInterval=%d\n", 162 ed->bLength, ed->bDescriptorType, 163 ed->bEndpointAddress & UE_ADDR, 164 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 165 ed->bmAttributes & UE_XFERTYPE, 166 UGETW(ed->wMaxPacketSize), ed->bInterval)); 167 168 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 169 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 170 sc->sc_iep_addr = ed->bEndpointAddress; 171 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 172 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 173 sc->sc_oep_addr = ed->bEndpointAddress; 174 } else { 175 printf("%s: endpoint %d: ignored\n", USBDEVNAME(sc->sc_dev), i); 176 } 177 } 178 179 /* 180 * Check that we found an input interrupt endpoint. The output interrupt 181 * endpoint is optional 182 */ 183 if (sc->sc_iep_addr == -1) { 184 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 185 sc->sc_dying = 1; 186 USB_ATTACH_ERROR_RETURN; 187 } 188 189 /* XXX need to extend this */ 190 descptr = NULL; 191 if (uaa->vendor == USB_VENDOR_WACOM) { 192 static uByte reportbuf[] = {2, 2, 2}; 193 194 /* The report descriptor for the Wacom Graphire is broken. */ 195 switch (uaa->product) { 196 case USB_PRODUCT_WACOM_GRAPHIRE: 197 size = sizeof uhid_graphire_report_descr; 198 descptr = uhid_graphire_report_descr; 199 break; 200 201 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 202 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 203 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 204 /* 205 * The Graphire3 needs 0x0202 to be written to 206 * feature report ID 2 before it'll start 207 * returning digitizer data. 208 */ 209 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 210 &reportbuf, sizeof reportbuf); 211 212 size = sizeof uhid_graphire3_4x5_report_descr; 213 descptr = uhid_graphire3_4x5_report_descr; 214 break; 215 default: 216 /* Keep descriptor */ 217 break; 218 } 219 } 220 221 if (descptr) { 222 desc = malloc(size, M_USBDEV, M_NOWAIT); 223 if (desc == NULL) 224 err = USBD_NOMEM; 225 else { 226 err = USBD_NORMAL_COMPLETION; 227 memcpy(desc, descptr, size); 228 } 229 } else { 230 desc = NULL; 231 err = usbd_read_report_desc(uaa->iface, &desc, &size, 232 M_USBDEV); 233 } 234 if (err) { 235 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 236 sc->sc_dying = 1; 237 USB_ATTACH_ERROR_RETURN; 238 } 239 240 if (uaa->vendor == USB_VENDOR_HOSIDEN && 241 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 242 static uByte reportbuf[] = { 1 }; 243 /* 244 * This device was sold by Konami with its ParaParaParadise 245 * game for PlayStation2. It needs to be "turned on" 246 * before it will send any reports. 247 */ 248 249 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 250 &reportbuf, sizeof reportbuf); 251 } 252 253 sc->sc_repdesc = desc; 254 sc->sc_repdesc_size = size; 255 256 uha.uaa = uaa; 257 nrepid = uhidev_maxrepid(desc, size); 258 if (nrepid < 0) 259 USB_ATTACH_SUCCESS_RETURN; 260 if (nrepid > 0) 261 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 262 nrepid++; 263 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 264 if (repsizes == NULL) 265 goto nomem; 266 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 267 M_USBDEV, M_NOWAIT | M_ZERO); 268 if (sc->sc_subdevs == NULL) { 269 free(repsizes, M_TEMP); 270 nomem: 271 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 272 USB_ATTACH_ERROR_RETURN; 273 } 274 sc->sc_nrepid = nrepid; 275 sc->sc_isize = 0; 276 277 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 278 USBDEV(sc->sc_dev)); 279 280 for (repid = 0; repid < nrepid; repid++) { 281 repsz = hid_report_size(desc, size, hid_input, repid); 282 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 283 repsizes[repid] = repsz; 284 if (repsz > 0) { 285 if (repsz > sc->sc_isize) 286 sc->sc_isize = repsz; 287 } 288 } 289 sc->sc_isize += nrepid != 1; /* space for report ID */ 290 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 291 292 uha.parent = sc; 293 for (repid = 0; repid < nrepid; repid++) { 294 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 295 if (hid_report_size(desc, size, hid_input, repid) == 0 && 296 hid_report_size(desc, size, hid_output, repid) == 0 && 297 hid_report_size(desc, size, hid_feature, repid) == 0) { 298 ; /* already NULL in sc->sc_subdevs[repid] */ 299 } else { 300 uha.reportid = repid; 301 locs[UHIDBUSCF_REPORTID] = repid; 302 303 dev = (struct uhidev *)config_found_sm_loc(self, 304 "uhidbus", locs, &uha, 305 uhidevprint, config_stdsubmatch); 306 sc->sc_subdevs[repid] = dev; 307 if (dev != NULL) { 308 dev->sc_in_rep_size = repsizes[repid]; 309 #ifdef DIAGNOSTIC 310 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 311 repid, dev)); 312 if (dev->sc_intr == NULL) { 313 free(repsizes, M_TEMP); 314 printf("%s: sc_intr == NULL\n", 315 USBDEVNAME(sc->sc_dev)); 316 USB_ATTACH_ERROR_RETURN; 317 } 318 #endif 319 #if NRND > 0 320 rnd_attach_source(&dev->rnd_source, 321 USBDEVNAME(dev->sc_dev), 322 RND_TYPE_TTY, 0); 323 #endif 324 } 325 } 326 } 327 free(repsizes, M_TEMP); 328 329 USB_ATTACH_SUCCESS_RETURN; 330 } 331 332 int 333 uhidev_maxrepid(void *buf, int len) 334 { 335 struct hid_data *d; 336 struct hid_item h; 337 int maxid; 338 339 maxid = -1; 340 h.report_ID = 0; 341 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 342 if (h.report_ID > maxid) 343 maxid = h.report_ID; 344 hid_end_parse(d); 345 return (maxid); 346 } 347 348 int 349 uhidevprint(void *aux, const char *pnp) 350 { 351 struct uhidev_attach_arg *uha = aux; 352 353 if (pnp) 354 aprint_normal("uhid at %s", pnp); 355 if (uha->reportid != 0) 356 aprint_normal(" reportid %d", uha->reportid); 357 return (UNCONF); 358 } 359 360 int 361 uhidev_activate(device_ptr_t self, enum devact act) 362 { 363 struct uhidev_softc *sc = (struct uhidev_softc *)self; 364 int i, rv; 365 366 switch (act) { 367 case DVACT_ACTIVATE: 368 return (EOPNOTSUPP); 369 370 case DVACT_DEACTIVATE: 371 rv = 0; 372 for (i = 0; i < sc->sc_nrepid; i++) 373 if (sc->sc_subdevs[i] != NULL) 374 rv |= config_deactivate( 375 &sc->sc_subdevs[i]->sc_dev); 376 sc->sc_dying = 1; 377 break; 378 default: 379 rv = 0; 380 break; 381 } 382 return (rv); 383 } 384 385 USB_DETACH(uhidev) 386 { 387 USB_DETACH_START(uhidev, sc); 388 int i, rv; 389 390 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 391 392 sc->sc_dying = 1; 393 if (sc->sc_ipipe != NULL) 394 usbd_abort_pipe(sc->sc_ipipe); 395 396 if (sc->sc_repdesc != NULL) 397 free(sc->sc_repdesc, M_USBDEV); 398 399 rv = 0; 400 for (i = 0; i < sc->sc_nrepid; i++) { 401 if (sc->sc_subdevs[i] != NULL) { 402 #if NRND > 0 403 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 404 #endif 405 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 406 sc->sc_subdevs[i] = NULL; 407 } 408 } 409 410 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 411 USBDEV(sc->sc_dev)); 412 413 return (rv); 414 } 415 416 void 417 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 418 { 419 struct uhidev_softc *sc = addr; 420 struct uhidev *scd; 421 u_char *p; 422 u_int rep; 423 u_int32_t cc; 424 425 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 426 427 #ifdef UHIDEV_DEBUG 428 if (uhidevdebug > 5) { 429 u_int32_t i; 430 431 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 432 DPRINTF(("uhidev_intr: data =")); 433 for (i = 0; i < cc; i++) 434 DPRINTF((" %02x", sc->sc_ibuf[i])); 435 DPRINTF(("\n")); 436 } 437 #endif 438 439 if (status == USBD_CANCELLED) 440 return; 441 442 if (status != USBD_NORMAL_COMPLETION) { 443 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 444 status)); 445 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 446 return; 447 } 448 449 p = sc->sc_ibuf; 450 if (sc->sc_nrepid != 1) 451 rep = *p++, cc--; 452 else 453 rep = 0; 454 if (rep >= sc->sc_nrepid) { 455 printf("uhidev_intr: bad repid %d\n", rep); 456 return; 457 } 458 scd = sc->sc_subdevs[rep]; 459 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 460 rep, scd, scd ? scd->sc_state : 0)); 461 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 462 return; 463 if (scd->sc_in_rep_size != cc) { 464 printf("%s: bad input length %d != %d\n", 465 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 466 return; 467 } 468 #if NRND > 0 469 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 470 #endif 471 scd->sc_intr(scd, p, cc); 472 } 473 474 void 475 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 476 { 477 *desc = sc->sc_repdesc; 478 *size = sc->sc_repdesc_size; 479 } 480 481 int 482 uhidev_open(struct uhidev *scd) 483 { 484 struct uhidev_softc *sc = scd->sc_parent; 485 usbd_status err; 486 int error; 487 488 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 489 scd->sc_state, sc->sc_refcnt)); 490 491 if (scd->sc_state & UHIDEV_OPEN) 492 return (EBUSY); 493 scd->sc_state |= UHIDEV_OPEN; 494 if (sc->sc_refcnt++) 495 return (0); 496 497 if (sc->sc_isize == 0) 498 return (0); 499 500 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 501 502 /* Set up input interrupt pipe. */ 503 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 504 sc->sc_iep_addr)); 505 506 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 507 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 508 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 509 if (err != USBD_NORMAL_COMPLETION) { 510 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 511 "error=%d\n", err)); 512 error = EIO; 513 goto out1; 514 } 515 516 /* 517 * Set up output interrupt pipe if an output interrupt endpoint 518 * exists. 519 */ 520 if (sc->sc_oep_addr != -1) { 521 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 522 523 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 524 0, &sc->sc_opipe); 525 526 if (err != USBD_NORMAL_COMPLETION) { 527 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 528 "error=%d\n", err)); 529 error = EIO; 530 goto out2; 531 } 532 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 533 534 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev, sc->sc_opipe); 535 if (sc->sc_oxfer == NULL) { 536 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 537 error = ENOMEM; 538 goto out3; 539 } 540 } 541 542 return (0); 543 out3: 544 /* Abort output pipe */ 545 usbd_close_pipe(sc->sc_opipe); 546 out2: 547 /* Abort input pipe */ 548 usbd_close_pipe(sc->sc_ipipe); 549 out1: 550 DPRINTF(("uhidev_open: failed in someway")); 551 free(sc->sc_ibuf, M_USBDEV); 552 scd->sc_state &= ~UHIDEV_OPEN; 553 sc->sc_refcnt = 0; 554 sc->sc_ipipe = NULL; 555 sc->sc_opipe = NULL; 556 sc->sc_oxfer = NULL; 557 return error; 558 } 559 560 void 561 uhidev_close(struct uhidev *scd) 562 { 563 struct uhidev_softc *sc = scd->sc_parent; 564 565 if (!(scd->sc_state & UHIDEV_OPEN)) 566 return; 567 scd->sc_state &= ~UHIDEV_OPEN; 568 if (--sc->sc_refcnt) 569 return; 570 DPRINTF(("uhidev_close: close pipe\n")); 571 572 if (sc->sc_oxfer != NULL) 573 usbd_free_xfer(sc->sc_oxfer); 574 575 /* Disable interrupts. */ 576 if (sc->sc_opipe != NULL) { 577 usbd_abort_pipe(sc->sc_opipe); 578 usbd_close_pipe(sc->sc_opipe); 579 sc->sc_opipe = NULL; 580 } 581 582 if (sc->sc_ipipe != NULL) { 583 usbd_abort_pipe(sc->sc_ipipe); 584 usbd_close_pipe(sc->sc_ipipe); 585 sc->sc_ipipe = NULL; 586 } 587 588 if (sc->sc_ibuf != NULL) { 589 free(sc->sc_ibuf, M_USBDEV); 590 sc->sc_ibuf = NULL; 591 } 592 } 593 594 usbd_status 595 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 596 { 597 char *buf; 598 usbd_status retstat; 599 600 if (scd->sc_report_id == 0) 601 return usbd_set_report(scd->sc_parent->sc_iface, type, 602 scd->sc_report_id, data, len); 603 604 buf = malloc(len + 1, M_TEMP, M_WAITOK); 605 buf[0] = scd->sc_report_id; 606 memcpy(buf+1, data, len); 607 608 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 609 scd->sc_report_id, buf, len + 1); 610 611 free(buf, M_TEMP); 612 613 return retstat; 614 } 615 616 void 617 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 618 { 619 /* XXX */ 620 char buf[100]; 621 if (scd->sc_report_id) { 622 buf[0] = scd->sc_report_id; 623 memcpy(buf+1, data, len); 624 len++; 625 data = buf; 626 } 627 628 usbd_set_report_async(scd->sc_parent->sc_iface, type, 629 scd->sc_report_id, data, len); 630 } 631 632 usbd_status 633 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 634 { 635 return usbd_get_report(scd->sc_parent->sc_iface, type, 636 scd->sc_report_id, data, len); 637 } 638 639 usbd_status 640 uhidev_write(struct uhidev_softc *sc, void *data, int len) 641 { 642 643 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 644 645 if (sc->sc_opipe == NULL) 646 return USBD_INVAL; 647 648 #ifdef UHIDEV_DEBUG 649 if (uhidevdebug > 50) { 650 651 u_int32_t i; 652 u_int8_t *d = data; 653 654 DPRINTF(("uhidev_write: data =")); 655 for (i = 0; i < len; i++) 656 DPRINTF((" %02x", d[i])); 657 DPRINTF(("\n")); 658 } 659 #endif 660 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 661 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 662 } 663
Indexes created Mon Sep 29 21:09:56 GMT 2025