uhidev.c revision 1.33.6.1
1 /* $NetBSD: uhidev.c,v 1.33.6.1 2007/03/13 16:50:52 ad 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 1.33.6.1 2007/03/13 16:50:52 ad 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 Static int uhidevsubmatch(struct device *, struct cfdata *, 86 const int *, void *); 87 88 USB_DECLARE_DRIVER(uhidev); 89 90 USB_MATCH(uhidev) 91 { 92 USB_IFMATCH_START(uhidev, uaa); 93 94 if (uaa->class != UICLASS_HID) 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 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 123 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 124 usbd_devinfo_free(devinfop); 125 126 (void)usbd_set_idle(iface, 0, 0); 127 #if 0 128 129 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 130 if ((qflags & UQ_NO_SET_PROTO) == 0 && 131 id->bInterfaceSubClass != UISUBCLASS_BOOT) 132 (void)usbd_set_protocol(iface, 1); 133 #endif 134 135 sc->sc_iep_addr = sc->sc_oep_addr = -1; 136 for (i = 0; i < id->bNumEndpoints; i++) { 137 ed = usbd_interface2endpoint_descriptor(iface, i); 138 if (ed == NULL) { 139 printf("%s: could not read endpoint descriptor\n", 140 USBDEVNAME(sc->sc_dev)); 141 sc->sc_dying = 1; 142 USB_ATTACH_ERROR_RETURN; 143 } 144 145 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 146 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 147 " bInterval=%d\n", 148 ed->bLength, ed->bDescriptorType, 149 ed->bEndpointAddress & UE_ADDR, 150 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 151 ed->bmAttributes & UE_XFERTYPE, 152 UGETW(ed->wMaxPacketSize), ed->bInterval)); 153 154 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 155 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 156 sc->sc_iep_addr = ed->bEndpointAddress; 157 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 158 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 159 sc->sc_oep_addr = ed->bEndpointAddress; 160 } else { 161 printf("%s: endpoint %d: ignored\n", USBDEVNAME(sc->sc_dev), i); 162 } 163 } 164 165 /* 166 * Check that we found an input interrupt endpoint. The output interrupt 167 * endpoint is optional 168 */ 169 if (sc->sc_iep_addr == -1) { 170 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 171 sc->sc_dying = 1; 172 USB_ATTACH_ERROR_RETURN; 173 } 174 175 /* XXX need to extend this */ 176 descptr = NULL; 177 if (uaa->vendor == USB_VENDOR_WACOM) { 178 static uByte reportbuf[] = {2, 2, 2}; 179 180 /* The report descriptor for the Wacom Graphire is broken. */ 181 switch (uaa->product) { 182 case USB_PRODUCT_WACOM_GRAPHIRE: 183 size = sizeof uhid_graphire_report_descr; 184 descptr = uhid_graphire_report_descr; 185 break; 186 187 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 188 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 189 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 190 /* 191 * The Graphire3 needs 0x0202 to be written to 192 * feature report ID 2 before it'll start 193 * returning digitizer data. 194 */ 195 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 196 &reportbuf, sizeof reportbuf); 197 198 size = sizeof uhid_graphire3_4x5_report_descr; 199 descptr = uhid_graphire3_4x5_report_descr; 200 break; 201 default: 202 /* Keep descriptor */ 203 break; 204 } 205 } 206 207 if (descptr) { 208 desc = malloc(size, M_USBDEV, M_NOWAIT); 209 if (desc == NULL) 210 err = USBD_NOMEM; 211 else { 212 err = USBD_NORMAL_COMPLETION; 213 memcpy(desc, descptr, size); 214 } 215 } else { 216 desc = NULL; 217 err = usbd_read_report_desc(uaa->iface, &desc, &size, 218 M_USBDEV); 219 } 220 if (err) { 221 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 222 sc->sc_dying = 1; 223 USB_ATTACH_ERROR_RETURN; 224 } 225 226 if (uaa->vendor == USB_VENDOR_HOSIDEN && 227 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 228 static uByte reportbuf[] = { 1 }; 229 /* 230 * This device was sold by Konami with its ParaParaParadise 231 * game for PlayStation2. It needs to be "turned on" 232 * before it will send any reports. 233 */ 234 235 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 236 &reportbuf, sizeof reportbuf); 237 } 238 239 sc->sc_repdesc = desc; 240 sc->sc_repdesc_size = size; 241 242 uha.uaa = uaa; 243 nrepid = uhidev_maxrepid(desc, size); 244 if (nrepid < 0) 245 USB_ATTACH_SUCCESS_RETURN; 246 if (nrepid > 0) 247 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 248 nrepid++; 249 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 250 if (repsizes == NULL) 251 goto nomem; 252 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 253 M_USBDEV, M_NOWAIT | M_ZERO); 254 if (sc->sc_subdevs == NULL) { 255 free(repsizes, M_TEMP); 256 nomem: 257 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 258 USB_ATTACH_ERROR_RETURN; 259 } 260 sc->sc_nrepid = nrepid; 261 sc->sc_isize = 0; 262 263 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 264 USBDEV(sc->sc_dev)); 265 266 for (repid = 0; repid < nrepid; repid++) { 267 repsz = hid_report_size(desc, size, hid_input, repid); 268 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 269 repsizes[repid] = repsz; 270 if (repsz > 0) { 271 if (repsz > sc->sc_isize) 272 sc->sc_isize = repsz; 273 } 274 } 275 sc->sc_isize += nrepid != 1; /* space for report ID */ 276 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 277 278 uha.parent = sc; 279 for (repid = 0; repid < nrepid; repid++) { 280 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 281 if (hid_report_size(desc, size, hid_input, repid) == 0 && 282 hid_report_size(desc, size, hid_output, repid) == 0 && 283 hid_report_size(desc, size, hid_feature, repid) == 0) { 284 ; /* already NULL in sc->sc_subdevs[repid] */ 285 } else { 286 uha.reportid = repid; 287 locs[UHIDBUSCF_REPORTID] = repid; 288 289 dev = (struct uhidev *)config_found_sm_loc(self, 290 "uhidbus", locs, &uha, 291 uhidevprint, uhidevsubmatch); 292 sc->sc_subdevs[repid] = dev; 293 if (dev != NULL) { 294 dev->sc_in_rep_size = repsizes[repid]; 295 #ifdef DIAGNOSTIC 296 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 297 repid, dev)); 298 if (dev->sc_intr == NULL) { 299 free(repsizes, M_TEMP); 300 printf("%s: sc_intr == NULL\n", 301 USBDEVNAME(sc->sc_dev)); 302 USB_ATTACH_ERROR_RETURN; 303 } 304 #endif 305 #if NRND > 0 306 rnd_attach_source(&dev->rnd_source, 307 USBDEVNAME(dev->sc_dev), 308 RND_TYPE_TTY, 0); 309 #endif 310 } 311 } 312 } 313 free(repsizes, M_TEMP); 314 315 USB_ATTACH_SUCCESS_RETURN; 316 } 317 318 int 319 uhidev_maxrepid(void *buf, int len) 320 { 321 struct hid_data *d; 322 struct hid_item h; 323 int maxid; 324 325 maxid = -1; 326 h.report_ID = 0; 327 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 328 if (h.report_ID > maxid) 329 maxid = h.report_ID; 330 hid_end_parse(d); 331 return (maxid); 332 } 333 334 int 335 uhidevprint(void *aux, const char *pnp) 336 { 337 struct uhidev_attach_arg *uha = aux; 338 339 if (pnp) 340 aprint_normal("uhid at %s", pnp); 341 if (uha->reportid != 0) 342 aprint_normal(" reportid %d", uha->reportid); 343 return (UNCONF); 344 } 345 346 int 347 uhidevsubmatch(struct device *parent, struct cfdata *cf, 348 const int *locs, void *aux) 349 { 350 if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT && 351 cf->cf_loc[UHIDBUSCF_REPORTID] != locs[UHIDBUSCF_REPORTID]) 352 return (0); 353 354 return (config_match(parent, cf, aux)); 355 } 356 357 int 358 uhidev_activate(device_ptr_t self, enum devact act) 359 { 360 struct uhidev_softc *sc = (struct uhidev_softc *)self; 361 int i, rv; 362 363 switch (act) { 364 case DVACT_ACTIVATE: 365 return (EOPNOTSUPP); 366 367 case DVACT_DEACTIVATE: 368 rv = 0; 369 for (i = 0; i < sc->sc_nrepid; i++) 370 if (sc->sc_subdevs[i] != NULL) 371 rv |= config_deactivate( 372 &sc->sc_subdevs[i]->sc_dev); 373 sc->sc_dying = 1; 374 break; 375 default: 376 rv = 0; 377 break; 378 } 379 return (rv); 380 } 381 382 USB_DETACH(uhidev) 383 { 384 USB_DETACH_START(uhidev, sc); 385 int i, rv; 386 387 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 388 389 sc->sc_dying = 1; 390 if (sc->sc_ipipe != NULL) 391 usbd_abort_pipe(sc->sc_ipipe); 392 393 if (sc->sc_repdesc != NULL) 394 free(sc->sc_repdesc, M_USBDEV); 395 396 rv = 0; 397 for (i = 0; i < sc->sc_nrepid; i++) { 398 if (sc->sc_subdevs[i] != NULL) { 399 #if NRND > 0 400 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 401 #endif 402 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 403 sc->sc_subdevs[i] = NULL; 404 } 405 } 406 407 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 408 USBDEV(sc->sc_dev)); 409 410 return (rv); 411 } 412 413 void 414 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 415 { 416 struct uhidev_softc *sc = addr; 417 struct uhidev *scd; 418 u_char *p; 419 u_int rep; 420 u_int32_t cc; 421 422 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 423 424 #ifdef UHIDEV_DEBUG 425 if (uhidevdebug > 5) { 426 u_int32_t i; 427 428 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 429 DPRINTF(("uhidev_intr: data =")); 430 for (i = 0; i < cc; i++) 431 DPRINTF((" %02x", sc->sc_ibuf[i])); 432 DPRINTF(("\n")); 433 } 434 #endif 435 436 if (status == USBD_CANCELLED) 437 return; 438 439 if (status != USBD_NORMAL_COMPLETION) { 440 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 441 status)); 442 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 443 return; 444 } 445 446 p = sc->sc_ibuf; 447 if (sc->sc_nrepid != 1) 448 rep = *p++, cc--; 449 else 450 rep = 0; 451 if (rep >= sc->sc_nrepid) { 452 printf("uhidev_intr: bad repid %d\n", rep); 453 return; 454 } 455 scd = sc->sc_subdevs[rep]; 456 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 457 rep, scd, scd ? scd->sc_state : 0)); 458 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 459 return; 460 if (scd->sc_in_rep_size != cc) { 461 printf("%s: bad input length %d != %d\n", 462 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 463 return; 464 } 465 #if NRND > 0 466 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 467 #endif 468 scd->sc_intr(scd, p, cc); 469 } 470 471 void 472 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 473 { 474 *desc = sc->sc_repdesc; 475 *size = sc->sc_repdesc_size; 476 } 477 478 int 479 uhidev_open(struct uhidev *scd) 480 { 481 struct uhidev_softc *sc = scd->sc_parent; 482 usbd_status err; 483 int error; 484 485 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 486 scd->sc_state, sc->sc_refcnt)); 487 488 if (scd->sc_state & UHIDEV_OPEN) 489 return (EBUSY); 490 scd->sc_state |= UHIDEV_OPEN; 491 if (sc->sc_refcnt++) 492 return (0); 493 494 if (sc->sc_isize == 0) 495 return (0); 496 497 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 498 499 /* Set up input interrupt pipe. */ 500 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 501 sc->sc_iep_addr)); 502 503 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 504 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 505 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 506 if (err != USBD_NORMAL_COMPLETION) { 507 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 508 "error=%d\n", err)); 509 error = EIO; 510 goto out1; 511 } 512 513 /* 514 * Set up output interrupt pipe if an output interrupt endpoint 515 * exists. 516 */ 517 if (sc->sc_oep_addr != -1) { 518 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 519 520 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 521 0, &sc->sc_opipe); 522 523 if (err != USBD_NORMAL_COMPLETION) { 524 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 525 "error=%d\n", err)); 526 error = EIO; 527 goto out2; 528 } 529 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 530 531 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 532 if (sc->sc_oxfer == NULL) { 533 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 534 error = ENOMEM; 535 goto out3; 536 } 537 } 538 539 return (0); 540 out3: 541 /* Abort output pipe */ 542 usbd_close_pipe(sc->sc_opipe); 543 out2: 544 /* Abort input pipe */ 545 usbd_close_pipe(sc->sc_ipipe); 546 out1: 547 DPRINTF(("uhidev_open: failed in someway")); 548 free(sc->sc_ibuf, M_USBDEV); 549 scd->sc_state &= ~UHIDEV_OPEN; 550 sc->sc_refcnt = 0; 551 sc->sc_ipipe = NULL; 552 sc->sc_opipe = NULL; 553 sc->sc_oxfer = NULL; 554 return error; 555 } 556 557 void 558 uhidev_close(struct uhidev *scd) 559 { 560 struct uhidev_softc *sc = scd->sc_parent; 561 562 if (!(scd->sc_state & UHIDEV_OPEN)) 563 return; 564 scd->sc_state &= ~UHIDEV_OPEN; 565 if (--sc->sc_refcnt) 566 return; 567 DPRINTF(("uhidev_close: close pipe\n")); 568 569 if (sc->sc_oxfer != NULL) 570 usbd_free_xfer(sc->sc_oxfer); 571 572 /* Disable interrupts. */ 573 if (sc->sc_opipe != NULL) { 574 usbd_abort_pipe(sc->sc_opipe); 575 usbd_close_pipe(sc->sc_opipe); 576 sc->sc_opipe = NULL; 577 } 578 579 if (sc->sc_ipipe != NULL) { 580 usbd_abort_pipe(sc->sc_ipipe); 581 usbd_close_pipe(sc->sc_ipipe); 582 sc->sc_ipipe = NULL; 583 } 584 585 if (sc->sc_ibuf != NULL) { 586 free(sc->sc_ibuf, M_USBDEV); 587 sc->sc_ibuf = NULL; 588 } 589 } 590 591 usbd_status 592 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 593 { 594 char *buf; 595 usbd_status retstat; 596 597 if (scd->sc_report_id == 0) 598 return usbd_set_report(scd->sc_parent->sc_iface, type, 599 scd->sc_report_id, data, len); 600 601 buf = malloc(len + 1, M_TEMP, M_WAITOK); 602 buf[0] = scd->sc_report_id; 603 memcpy(buf+1, data, len); 604 605 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 606 scd->sc_report_id, buf, len + 1); 607 608 free(buf, M_TEMP); 609 610 return retstat; 611 } 612 613 void 614 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 615 { 616 /* XXX */ 617 char buf[100]; 618 if (scd->sc_report_id) { 619 buf[0] = scd->sc_report_id; 620 memcpy(buf+1, data, len); 621 len++; 622 data = buf; 623 } 624 625 usbd_set_report_async(scd->sc_parent->sc_iface, type, 626 scd->sc_report_id, data, len); 627 } 628 629 usbd_status 630 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 631 { 632 return usbd_get_report(scd->sc_parent->sc_iface, type, 633 scd->sc_report_id, data, len); 634 } 635 636 usbd_status 637 uhidev_write(struct uhidev_softc *sc, void *data, int len) 638 { 639 640 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 641 642 if (sc->sc_opipe == NULL) 643 return USBD_INVAL; 644 645 #ifdef UHIDEV_DEBUG 646 if (uhidevdebug > 50) { 647 648 u_int32_t i; 649 u_int8_t *d = data; 650 651 DPRINTF(("uhidev_write: data =")); 652 for (i = 0; i < len; i++) 653 DPRINTF((" %02x", d[i])); 654 DPRINTF(("\n")); 655 } 656 #endif 657 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 658 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 659 } 660
Indexes created Mon Sep 29 18:09:42 GMT 2025