uhidev.c revision 1.33
1 /* $NetBSD: uhidev.c,v 1.33 2007/01/22 19:39:37 ghen 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 2007/01/22 19:39:37 ghen 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_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 return (UMATCH_IFACECLASS_GENERIC); 101 } 102 103 USB_ATTACH(uhidev) 104 { 105 USB_ATTACH_START(uhidev, sc, uaa); 106 usbd_interface_handle iface = uaa->iface; 107 usb_interface_descriptor_t *id; 108 usb_endpoint_descriptor_t *ed; 109 struct uhidev_attach_arg uha; 110 struct uhidev *dev; 111 int size, nrepid, repid, repsz; 112 int *repsizes; 113 int i; 114 void *desc; 115 const void *descptr; 116 usbd_status err; 117 char *devinfop; 118 int locs[UHIDBUSCF_NLOCS]; 119 120 sc->sc_udev = uaa->device; 121 sc->sc_iface = iface; 122 id = usbd_get_interface_descriptor(iface); 123 124 devinfop = usbd_devinfo_alloc(uaa->device, 0); 125 USB_ATTACH_SETUP; 126 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 127 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 128 usbd_devinfo_free(devinfop); 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 printf("%s: could not read endpoint descriptor\n", 144 USBDEVNAME(sc->sc_dev)); 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 printf("%s: endpoint %d: ignored\n", 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 printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev)); 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 printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev)); 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 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), 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_ptr_t), 257 M_USBDEV, M_NOWAIT | M_ZERO); 258 if (sc->sc_subdevs == NULL) { 259 free(repsizes, M_TEMP); 260 nomem: 261 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 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 = (struct uhidev *)config_found_sm_loc(self, 294 "uhidbus", locs, &uha, 295 uhidevprint, uhidevsubmatch); 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 printf("%s: sc_intr == NULL\n", 305 USBDEVNAME(sc->sc_dev)); 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 uhidevsubmatch(struct device *parent, struct cfdata *cf, 352 const int *locs, void *aux) 353 { 354 if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT && 355 cf->cf_loc[UHIDBUSCF_REPORTID] != locs[UHIDBUSCF_REPORTID]) 356 return (0); 357 358 return (config_match(parent, cf, aux)); 359 } 360 361 int 362 uhidev_activate(device_ptr_t self, enum devact act) 363 { 364 struct uhidev_softc *sc = (struct uhidev_softc *)self; 365 int i, rv; 366 367 switch (act) { 368 case DVACT_ACTIVATE: 369 return (EOPNOTSUPP); 370 371 case DVACT_DEACTIVATE: 372 rv = 0; 373 for (i = 0; i < sc->sc_nrepid; i++) 374 if (sc->sc_subdevs[i] != NULL) 375 rv |= config_deactivate( 376 &sc->sc_subdevs[i]->sc_dev); 377 sc->sc_dying = 1; 378 break; 379 default: 380 rv = 0; 381 break; 382 } 383 return (rv); 384 } 385 386 USB_DETACH(uhidev) 387 { 388 USB_DETACH_START(uhidev, sc); 389 int i, rv; 390 391 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 392 393 sc->sc_dying = 1; 394 if (sc->sc_ipipe != NULL) 395 usbd_abort_pipe(sc->sc_ipipe); 396 397 if (sc->sc_repdesc != NULL) 398 free(sc->sc_repdesc, M_USBDEV); 399 400 rv = 0; 401 for (i = 0; i < sc->sc_nrepid; i++) { 402 if (sc->sc_subdevs[i] != NULL) { 403 #if NRND > 0 404 rnd_detach_source(&sc->sc_subdevs[i]->rnd_source); 405 #endif 406 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 407 sc->sc_subdevs[i] = NULL; 408 } 409 } 410 411 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 412 USBDEV(sc->sc_dev)); 413 414 return (rv); 415 } 416 417 void 418 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 419 { 420 struct uhidev_softc *sc = addr; 421 struct uhidev *scd; 422 u_char *p; 423 u_int rep; 424 u_int32_t cc; 425 426 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 427 428 #ifdef UHIDEV_DEBUG 429 if (uhidevdebug > 5) { 430 u_int32_t i; 431 432 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 433 DPRINTF(("uhidev_intr: data =")); 434 for (i = 0; i < cc; i++) 435 DPRINTF((" %02x", sc->sc_ibuf[i])); 436 DPRINTF(("\n")); 437 } 438 #endif 439 440 if (status == USBD_CANCELLED) 441 return; 442 443 if (status != USBD_NORMAL_COMPLETION) { 444 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 445 status)); 446 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 447 return; 448 } 449 450 p = sc->sc_ibuf; 451 if (sc->sc_nrepid != 1) 452 rep = *p++, cc--; 453 else 454 rep = 0; 455 if (rep >= sc->sc_nrepid) { 456 printf("uhidev_intr: bad repid %d\n", rep); 457 return; 458 } 459 scd = sc->sc_subdevs[rep]; 460 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 461 rep, scd, scd ? scd->sc_state : 0)); 462 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 463 return; 464 if (scd->sc_in_rep_size != cc) { 465 printf("%s: bad input length %d != %d\n", 466 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 467 return; 468 } 469 #if NRND > 0 470 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 471 #endif 472 scd->sc_intr(scd, p, cc); 473 } 474 475 void 476 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 477 { 478 *desc = sc->sc_repdesc; 479 *size = sc->sc_repdesc_size; 480 } 481 482 int 483 uhidev_open(struct uhidev *scd) 484 { 485 struct uhidev_softc *sc = scd->sc_parent; 486 usbd_status err; 487 int error; 488 489 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 490 scd->sc_state, sc->sc_refcnt)); 491 492 if (scd->sc_state & UHIDEV_OPEN) 493 return (EBUSY); 494 scd->sc_state |= UHIDEV_OPEN; 495 if (sc->sc_refcnt++) 496 return (0); 497 498 if (sc->sc_isize == 0) 499 return (0); 500 501 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 502 503 /* Set up input interrupt pipe. */ 504 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 505 sc->sc_iep_addr)); 506 507 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 508 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 509 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 510 if (err != USBD_NORMAL_COMPLETION) { 511 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 512 "error=%d\n", err)); 513 error = EIO; 514 goto out1; 515 } 516 517 /* 518 * Set up output interrupt pipe if an output interrupt endpoint 519 * exists. 520 */ 521 if (sc->sc_oep_addr != -1) { 522 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 523 524 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 525 0, &sc->sc_opipe); 526 527 if (err != USBD_NORMAL_COMPLETION) { 528 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 529 "error=%d\n", err)); 530 error = EIO; 531 goto out2; 532 } 533 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 534 535 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 536 if (sc->sc_oxfer == NULL) { 537 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 538 error = ENOMEM; 539 goto out3; 540 } 541 } 542 543 return (0); 544 out3: 545 /* Abort output pipe */ 546 usbd_close_pipe(sc->sc_opipe); 547 out2: 548 /* Abort input pipe */ 549 usbd_close_pipe(sc->sc_ipipe); 550 out1: 551 DPRINTF(("uhidev_open: failed in someway")); 552 free(sc->sc_ibuf, M_USBDEV); 553 scd->sc_state &= ~UHIDEV_OPEN; 554 sc->sc_refcnt = 0; 555 sc->sc_ipipe = NULL; 556 sc->sc_opipe = NULL; 557 sc->sc_oxfer = NULL; 558 return error; 559 } 560 561 void 562 uhidev_close(struct uhidev *scd) 563 { 564 struct uhidev_softc *sc = scd->sc_parent; 565 566 if (!(scd->sc_state & UHIDEV_OPEN)) 567 return; 568 scd->sc_state &= ~UHIDEV_OPEN; 569 if (--sc->sc_refcnt) 570 return; 571 DPRINTF(("uhidev_close: close pipe\n")); 572 573 if (sc->sc_oxfer != NULL) 574 usbd_free_xfer(sc->sc_oxfer); 575 576 /* Disable interrupts. */ 577 if (sc->sc_opipe != NULL) { 578 usbd_abort_pipe(sc->sc_opipe); 579 usbd_close_pipe(sc->sc_opipe); 580 sc->sc_opipe = NULL; 581 } 582 583 if (sc->sc_ipipe != NULL) { 584 usbd_abort_pipe(sc->sc_ipipe); 585 usbd_close_pipe(sc->sc_ipipe); 586 sc->sc_ipipe = NULL; 587 } 588 589 if (sc->sc_ibuf != NULL) { 590 free(sc->sc_ibuf, M_USBDEV); 591 sc->sc_ibuf = NULL; 592 } 593 } 594 595 usbd_status 596 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 597 { 598 char *buf; 599 usbd_status retstat; 600 601 if (scd->sc_report_id == 0) 602 return usbd_set_report(scd->sc_parent->sc_iface, type, 603 scd->sc_report_id, data, len); 604 605 buf = malloc(len + 1, M_TEMP, M_WAITOK); 606 buf[0] = scd->sc_report_id; 607 memcpy(buf+1, data, len); 608 609 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 610 scd->sc_report_id, buf, len + 1); 611 612 free(buf, M_TEMP); 613 614 return retstat; 615 } 616 617 void 618 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 619 { 620 /* XXX */ 621 char buf[100]; 622 if (scd->sc_report_id) { 623 buf[0] = scd->sc_report_id; 624 memcpy(buf+1, data, len); 625 len++; 626 data = buf; 627 } 628 629 usbd_set_report_async(scd->sc_parent->sc_iface, type, 630 scd->sc_report_id, data, len); 631 } 632 633 usbd_status 634 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 635 { 636 return usbd_get_report(scd->sc_parent->sc_iface, type, 637 scd->sc_report_id, data, len); 638 } 639 640 usbd_status 641 uhidev_write(struct uhidev_softc *sc, void *data, int len) 642 { 643 644 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 645 646 if (sc->sc_opipe == NULL) 647 return USBD_INVAL; 648 649 #ifdef UHIDEV_DEBUG 650 if (uhidevdebug > 50) { 651 652 u_int32_t i; 653 u_int8_t *d = data; 654 655 DPRINTF(("uhidev_write: data =")); 656 for (i = 0; i < len; i++) 657 DPRINTF((" %02x", d[i])); 658 DPRINTF(("\n")); 659 } 660 #endif 661 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 662 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 663 } 664
Indexes created Mon Sep 22 10:09:38 GMT 2025