uhidev.c revision 1.27
1 /* $NetBSD: uhidev.c,v 1.27 2005/06/19 10:29:47 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 1.27 2005/06/19 10:29:47 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 if (uaa->vendor == USB_VENDOR_HOSIDEN && 234 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 235 static uByte reportbuf[] = { 1 }; 236 /* 237 * This device was sold by Konami with its ParaParaParadise 238 * game for PlayStation2. It needs to be "turned on" 239 * before it will send any reports. 240 */ 241 242 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 243 &reportbuf, sizeof reportbuf); 244 } 245 246 sc->sc_repdesc = desc; 247 sc->sc_repdesc_size = size; 248 249 uha.uaa = uaa; 250 nrepid = uhidev_maxrepid(desc, size); 251 if (nrepid < 0) 252 USB_ATTACH_SUCCESS_RETURN; 253 if (nrepid > 0) 254 printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid); 255 nrepid++; 256 sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t), 257 M_USBDEV, M_NOWAIT | M_ZERO); 258 if (sc->sc_subdevs == NULL) { 259 printf("%s: no memory\n", USBDEVNAME(sc->sc_dev)); 260 USB_ATTACH_ERROR_RETURN; 261 } 262 sc->sc_nrepid = nrepid; 263 sc->sc_isize = 0; 264 265 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 266 USBDEV(sc->sc_dev)); 267 268 for (repid = 0; repid < nrepid; repid++) { 269 repsz = hid_report_size(desc, size, hid_input, repid); 270 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 271 repsizes[repid] = repsz; 272 if (repsz > 0) { 273 if (repsz > sc->sc_isize) 274 sc->sc_isize = repsz; 275 } 276 } 277 sc->sc_isize += nrepid != 1; /* space for report ID */ 278 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 279 280 uha.parent = sc; 281 for (repid = 0; repid < nrepid; repid++) { 282 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 283 if (hid_report_size(desc, size, hid_input, repid) == 0 && 284 hid_report_size(desc, size, hid_output, repid) == 0 && 285 hid_report_size(desc, size, hid_feature, repid) == 0) { 286 ; /* already NULL in sc->sc_subdevs[repid] */ 287 } else { 288 uha.reportid = repid; 289 ldesc->len = 1; 290 ldesc->locs[UHIDBUSCF_REPORTID] = repid; 291 292 dev = (struct uhidev *)config_found_sm_loc(self, 293 "uhidbus", ldesc, &uha, 294 uhidevprint, uhidevsubmatch); 295 sc->sc_subdevs[repid] = dev; 296 if (dev != NULL) { 297 dev->sc_in_rep_size = repsizes[repid]; 298 #ifdef DIAGNOSTIC 299 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 300 repid, dev)); 301 if (dev->sc_intr == NULL) { 302 printf("%s: sc_intr == NULL\n", 303 USBDEVNAME(sc->sc_dev)); 304 USB_ATTACH_ERROR_RETURN; 305 } 306 #endif 307 #if NRND > 0 308 rnd_attach_source(&dev->rnd_source, 309 USBDEVNAME(dev->sc_dev), 310 RND_TYPE_TTY, 0); 311 #endif 312 } 313 } 314 } 315 316 USB_ATTACH_SUCCESS_RETURN; 317 } 318 319 int 320 uhidev_maxrepid(void *buf, int len) 321 { 322 struct hid_data *d; 323 struct hid_item h; 324 int maxid; 325 326 maxid = -1; 327 h.report_ID = 0; 328 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 329 if (h.report_ID > maxid) 330 maxid = h.report_ID; 331 hid_end_parse(d); 332 return (maxid); 333 } 334 335 int 336 uhidevprint(void *aux, const char *pnp) 337 { 338 struct uhidev_attach_arg *uha = aux; 339 340 if (pnp) 341 aprint_normal("uhid at %s", pnp); 342 if (uha->reportid != 0) 343 aprint_normal(" reportid %d", uha->reportid); 344 return (UNCONF); 345 } 346 347 int 348 uhidevsubmatch(struct device *parent, struct cfdata *cf, 349 const locdesc_t *ldesc, void *aux) 350 { 351 struct uhidev_attach_arg *uha = aux; 352 353 if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT && 354 cf->cf_loc[UHIDBUSCF_REPORTID] != ldesc->locs[UHIDBUSCF_REPORTID]) 355 return (0); 356 357 if (cf->cf_loc[UHIDBUSCF_REPORTID] == ldesc->locs[UHIDBUSCF_REPORTID]) 358 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 359 else 360 uha->matchlvl = 0; 361 return (config_match(parent, cf, aux)); 362 } 363 364 int 365 uhidev_activate(device_ptr_t self, enum devact act) 366 { 367 struct uhidev_softc *sc = (struct uhidev_softc *)self; 368 int i, rv; 369 370 switch (act) { 371 case DVACT_ACTIVATE: 372 return (EOPNOTSUPP); 373 374 case DVACT_DEACTIVATE: 375 rv = 0; 376 for (i = 0; i < sc->sc_nrepid; i++) 377 if (sc->sc_subdevs[i] != NULL) 378 rv |= config_deactivate( 379 &sc->sc_subdevs[i]->sc_dev); 380 sc->sc_dying = 1; 381 break; 382 default: 383 rv = 0; 384 break; 385 } 386 return (rv); 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 sc->sc_subdevs[i] = NULL; 411 } 412 } 413 414 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 415 USBDEV(sc->sc_dev)); 416 417 return (rv); 418 } 419 420 void 421 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 422 { 423 struct uhidev_softc *sc = addr; 424 struct uhidev *scd; 425 u_char *p; 426 u_int rep; 427 u_int32_t cc; 428 429 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 430 431 #ifdef UHIDEV_DEBUG 432 if (uhidevdebug > 5) { 433 u_int32_t i; 434 435 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 436 DPRINTF(("uhidev_intr: data =")); 437 for (i = 0; i < cc; i++) 438 DPRINTF((" %02x", sc->sc_ibuf[i])); 439 DPRINTF(("\n")); 440 } 441 #endif 442 443 if (status == USBD_CANCELLED) 444 return; 445 446 if (status != USBD_NORMAL_COMPLETION) { 447 DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev), 448 status)); 449 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 450 return; 451 } 452 453 p = sc->sc_ibuf; 454 if (sc->sc_nrepid != 1) 455 rep = *p++, cc--; 456 else 457 rep = 0; 458 if (rep >= sc->sc_nrepid) { 459 printf("uhidev_intr: bad repid %d\n", rep); 460 return; 461 } 462 scd = sc->sc_subdevs[rep]; 463 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 464 rep, scd, scd ? scd->sc_state : 0)); 465 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 466 return; 467 if (scd->sc_in_rep_size != cc) { 468 printf("%s: bad input length %d != %d\n", 469 USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc); 470 return; 471 } 472 #if NRND > 0 473 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 474 #endif 475 scd->sc_intr(scd, p, cc); 476 } 477 478 void 479 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 480 { 481 *desc = sc->sc_repdesc; 482 *size = sc->sc_repdesc_size; 483 } 484 485 int 486 uhidev_open(struct uhidev *scd) 487 { 488 struct uhidev_softc *sc = scd->sc_parent; 489 usbd_status err; 490 int error; 491 492 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 493 scd->sc_state, sc->sc_refcnt)); 494 495 if (scd->sc_state & UHIDEV_OPEN) 496 return (EBUSY); 497 scd->sc_state |= UHIDEV_OPEN; 498 if (sc->sc_refcnt++) 499 return (0); 500 501 if (sc->sc_isize == 0) 502 return (0); 503 504 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 505 506 /* Set up input interrupt pipe. */ 507 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 508 sc->sc_iep_addr)); 509 510 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 511 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 512 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 513 if (err != USBD_NORMAL_COMPLETION) { 514 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 515 "error=%d\n", err)); 516 error = EIO; 517 goto out1; 518 } 519 520 /* 521 * Set up output interrupt pipe if an output interrupt endpoint 522 * exists. 523 */ 524 if (sc->sc_oep_addr != -1) { 525 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 526 527 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 528 0, &sc->sc_opipe); 529 530 if (err != USBD_NORMAL_COMPLETION) { 531 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 532 "error=%d\n", err)); 533 error = EIO; 534 goto out2; 535 } 536 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 537 538 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 539 if (sc->sc_oxfer == NULL) { 540 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 541 error = ENOMEM; 542 goto out3; 543 } 544 } 545 546 return (0); 547 out3: 548 /* Abort output pipe */ 549 usbd_close_pipe(sc->sc_opipe); 550 out2: 551 /* Abort input pipe */ 552 usbd_close_pipe(sc->sc_ipipe); 553 out1: 554 DPRINTF(("uhidev_open: failed in someway")); 555 free(sc->sc_ibuf, M_USBDEV); 556 scd->sc_state &= ~UHIDEV_OPEN; 557 sc->sc_refcnt = 0; 558 sc->sc_ipipe = NULL; 559 sc->sc_opipe = NULL; 560 sc->sc_oxfer = NULL; 561 return error; 562 } 563 564 void 565 uhidev_close(struct uhidev *scd) 566 { 567 struct uhidev_softc *sc = scd->sc_parent; 568 569 if (!(scd->sc_state & UHIDEV_OPEN)) 570 return; 571 scd->sc_state &= ~UHIDEV_OPEN; 572 if (--sc->sc_refcnt) 573 return; 574 DPRINTF(("uhidev_close: close pipe\n")); 575 576 if (sc->sc_oxfer != NULL) 577 usbd_free_xfer(sc->sc_oxfer); 578 579 /* Disable interrupts. */ 580 if (sc->sc_opipe != NULL) { 581 usbd_abort_pipe(sc->sc_opipe); 582 usbd_close_pipe(sc->sc_opipe); 583 sc->sc_opipe = NULL; 584 } 585 586 if (sc->sc_ipipe != NULL) { 587 usbd_abort_pipe(sc->sc_ipipe); 588 usbd_close_pipe(sc->sc_ipipe); 589 sc->sc_ipipe = NULL; 590 } 591 592 if (sc->sc_ibuf != NULL) { 593 free(sc->sc_ibuf, M_USBDEV); 594 sc->sc_ibuf = NULL; 595 } 596 } 597 598 usbd_status 599 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 600 { 601 char *buf; 602 usbd_status retstat; 603 604 if (scd->sc_report_id == 0) 605 return usbd_set_report(scd->sc_parent->sc_iface, type, 606 scd->sc_report_id, data, len); 607 608 buf = malloc(len + 1, M_TEMP, M_WAITOK); 609 buf[0] = scd->sc_report_id; 610 memcpy(buf+1, data, len); 611 612 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 613 scd->sc_report_id, buf, len + 1); 614 615 free(buf, M_TEMP); 616 617 return retstat; 618 } 619 620 void 621 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 622 { 623 /* XXX */ 624 char buf[100]; 625 if (scd->sc_report_id) { 626 buf[0] = scd->sc_report_id; 627 memcpy(buf+1, data, len); 628 len++; 629 data = buf; 630 } 631 632 usbd_set_report_async(scd->sc_parent->sc_iface, type, 633 scd->sc_report_id, data, len); 634 } 635 636 usbd_status 637 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 638 { 639 return usbd_get_report(scd->sc_parent->sc_iface, type, 640 scd->sc_report_id, data, len); 641 } 642 643 usbd_status 644 uhidev_write(struct uhidev_softc *sc, void *data, int len) 645 { 646 647 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 648 649 if (sc->sc_opipe == NULL) 650 return USBD_INVAL; 651 652 #ifdef UHIDEV_DEBUG 653 if (uhidevdebug > 50) { 654 655 u_int32_t i; 656 u_int8_t *d = data; 657 658 DPRINTF(("uhidev_write: data =")); 659 for (i = 0; i < len; i++) 660 DPRINTF((" %02x", d[i])); 661 DPRINTF(("\n")); 662 } 663 #endif 664 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 665 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 666 } 667
Indexes created Sun Sep 21 15:09:59 GMT 2025