1 /* $NetBSD: uhidev.c,v 1.49 2011/01/29 14:20:18 tsutsui 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@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 1.49 2011/01/29 14:20:18 tsutsui 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) printf x 67 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf 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 int 89 uhidev_match(device_t parent, cfdata_t match, void *aux) 90 { 91 struct usbif_attach_arg *uaa = aux; 92 93 if (uaa->class != UICLASS_HID) 94 return (UMATCH_NONE); 95 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 96 return (UMATCH_NONE); 97 return (UMATCH_IFACECLASS_GENERIC); 98 } 99 100 void 101 uhidev_attach(device_t parent, device_t self, void *aux) 102 { 103 struct uhidev_softc *sc = device_private(self); 104 struct usbif_attach_arg *uaa = aux; 105 usbd_interface_handle iface = uaa->iface; 106 usb_interface_descriptor_t *id; 107 usb_endpoint_descriptor_t *ed; 108 struct uhidev_attach_arg uha; 109 device_t dev; 110 struct uhidev *csc; 111 int maxinpktsize, 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_dev = self; 121 sc->sc_udev = uaa->device; 122 sc->sc_iface = iface; 123 124 aprint_naive("\n"); 125 aprint_normal("\n"); 126 127 id = usbd_get_interface_descriptor(iface); 128 129 devinfop = usbd_devinfo_alloc(uaa->device, 0); 130 aprint_normal_dev(self, "%s, iclass %d/%d\n", 131 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 132 usbd_devinfo_free(devinfop); 133 134 if (!pmf_device_register(self, NULL, NULL)) 135 aprint_error_dev(self, "couldn't establish power handler\n"); 136 137 (void)usbd_set_idle(iface, 0, 0); 138 #if 0 139 140 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 141 if ((qflags & UQ_NO_SET_PROTO) == 0 && 142 id->bInterfaceSubClass != UISUBCLASS_BOOT) 143 (void)usbd_set_protocol(iface, 1); 144 #endif 145 146 maxinpktsize = 0; 147 sc->sc_iep_addr = sc->sc_oep_addr = -1; 148 for (i = 0; i < id->bNumEndpoints; i++) { 149 ed = usbd_interface2endpoint_descriptor(iface, i); 150 if (ed == NULL) { 151 aprint_error_dev(self, 152 "could not read endpoint descriptor\n"); 153 sc->sc_dying = 1; 154 return; 155 } 156 157 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 158 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 159 " bInterval=%d\n", 160 ed->bLength, ed->bDescriptorType, 161 ed->bEndpointAddress & UE_ADDR, 162 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 163 ed->bmAttributes & UE_XFERTYPE, 164 UGETW(ed->wMaxPacketSize), ed->bInterval)); 165 166 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 167 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 168 maxinpktsize = UGETW(ed->wMaxPacketSize); 169 sc->sc_iep_addr = ed->bEndpointAddress; 170 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 171 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 172 sc->sc_oep_addr = ed->bEndpointAddress; 173 } else { 174 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 175 } 176 } 177 178 /* 179 * Check that we found an input interrupt endpoint. The output interrupt 180 * endpoint is optional 181 */ 182 if (sc->sc_iep_addr == -1) { 183 aprint_error_dev(self, "no input interrupt endpoint\n"); 184 sc->sc_dying = 1; 185 return; 186 } 187 188 /* XXX need to extend this */ 189 descptr = NULL; 190 if (uaa->vendor == USB_VENDOR_WACOM) { 191 static uByte reportbuf[] = {2, 2, 2}; 192 193 /* The report descriptor for the Wacom Graphire is broken. */ 194 switch (uaa->product) { 195 case USB_PRODUCT_WACOM_GRAPHIRE: 196 size = sizeof uhid_graphire_report_descr; 197 descptr = uhid_graphire_report_descr; 198 break; 199 200 case USB_PRODUCT_WACOM_GRAPHIRE2: 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 aprint_error_dev(self, "no report descriptor\n"); 236 sc->sc_dying = 1; 237 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 if (uaa->vendor == USB_VENDOR_LOGITECH && 254 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 255 uint8_t *data = desc; 256 /* 257 * This device has a odd USAGE_MINIMUM value that would 258 * cause the multimedia keys to have their usage number 259 * shifted up one usage. Adjust so the usages are sane. 260 */ 261 262 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 263 data[0x58] == 0x2a && data[0x59] == 0x8c) 264 data[0x57] = 0x00; 265 } 266 267 sc->sc_repdesc = desc; 268 sc->sc_repdesc_size = size; 269 270 uha.uaa = uaa; 271 nrepid = uhidev_maxrepid(desc, size); 272 if (nrepid < 0) 273 return; 274 if (nrepid > 0) 275 aprint_normal_dev(self, "%d report ids\n", nrepid); 276 nrepid++; 277 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 278 if (repsizes == NULL) 279 goto nomem; 280 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 281 M_USBDEV, M_NOWAIT | M_ZERO); 282 if (sc->sc_subdevs == NULL) { 283 free(repsizes, M_TEMP); 284 nomem: 285 aprint_error_dev(self, "no memory\n"); 286 return; 287 } 288 289 /* Just request max packet size for the interrupt pipe */ 290 sc->sc_isize = maxinpktsize; 291 sc->sc_nrepid = nrepid; 292 293 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 294 sc->sc_dev); 295 296 for (repid = 0; repid < nrepid; repid++) { 297 repsz = hid_report_size(desc, size, hid_input, repid); 298 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 299 repsizes[repid] = repsz; 300 } 301 302 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 303 304 uha.parent = sc; 305 for (repid = 0; repid < nrepid; repid++) { 306 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 307 if (hid_report_size(desc, size, hid_input, repid) == 0 && 308 hid_report_size(desc, size, hid_output, repid) == 0 && 309 hid_report_size(desc, size, hid_feature, repid) == 0) { 310 ; /* already NULL in sc->sc_subdevs[repid] */ 311 } else { 312 uha.reportid = repid; 313 locs[UHIDBUSCF_REPORTID] = repid; 314 315 dev = config_found_sm_loc(self, 316 "uhidbus", locs, &uha, 317 uhidevprint, config_stdsubmatch); 318 sc->sc_subdevs[repid] = dev; 319 if (dev != NULL) { 320 csc = device_private(dev); 321 csc->sc_in_rep_size = repsizes[repid]; 322 #ifdef DIAGNOSTIC 323 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 324 repid, dev)); 325 if (csc->sc_intr == NULL) { 326 free(repsizes, M_TEMP); 327 aprint_error_dev(self, 328 "sc_intr == NULL\n"); 329 return; 330 } 331 #endif 332 #if NRND > 0 333 rnd_attach_source(&csc->rnd_source, 334 device_xname(dev), 335 RND_TYPE_TTY, 0); 336 #endif 337 } 338 } 339 } 340 free(repsizes, M_TEMP); 341 342 return; 343 } 344 345 int 346 uhidev_maxrepid(void *buf, int len) 347 { 348 struct hid_data *d; 349 struct hid_item h; 350 int maxid; 351 352 maxid = -1; 353 h.report_ID = 0; 354 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 355 if (h.report_ID > maxid) 356 maxid = h.report_ID; 357 hid_end_parse(d); 358 return (maxid); 359 } 360 361 int 362 uhidevprint(void *aux, const char *pnp) 363 { 364 struct uhidev_attach_arg *uha = aux; 365 366 if (pnp) 367 aprint_normal("uhid at %s", pnp); 368 if (uha->reportid != 0) 369 aprint_normal(" reportid %d", uha->reportid); 370 return (UNCONF); 371 } 372 373 int 374 uhidev_activate(device_t self, enum devact act) 375 { 376 struct uhidev_softc *sc = device_private(self); 377 378 switch (act) { 379 case DVACT_DEACTIVATE: 380 sc->sc_dying = 1; 381 return 0; 382 default: 383 return EOPNOTSUPP; 384 } 385 } 386 387 void 388 uhidev_childdet(device_t self, device_t child) 389 { 390 int i; 391 struct uhidev_softc *sc = device_private(self); 392 393 for (i = 0; i < sc->sc_nrepid; i++) { 394 if (sc->sc_subdevs[i] == child) 395 break; 396 } 397 KASSERT(i < sc->sc_nrepid); 398 sc->sc_subdevs[i] = NULL; 399 } 400 401 int 402 uhidev_detach(device_t self, int flags) 403 { 404 struct uhidev_softc *sc = device_private(self); 405 int i, rv; 406 #if NRND > 0 407 struct uhidev *csc; 408 #endif 409 410 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 411 412 sc->sc_dying = 1; 413 if (sc->sc_ipipe != NULL) 414 usbd_abort_pipe(sc->sc_ipipe); 415 416 if (sc->sc_repdesc != NULL) 417 free(sc->sc_repdesc, M_USBDEV); 418 419 rv = 0; 420 for (i = 0; i < sc->sc_nrepid; i++) { 421 if (sc->sc_subdevs[i] != NULL) { 422 #if NRND > 0 423 csc = device_private(sc->sc_subdevs[i]); 424 rnd_detach_source(&csc->rnd_source); 425 #endif 426 rv |= config_detach(sc->sc_subdevs[i], flags); 427 } 428 } 429 430 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 431 sc->sc_dev); 432 433 pmf_device_deregister(self); 434 435 return (rv); 436 } 437 438 void 439 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 440 { 441 struct uhidev_softc *sc = addr; 442 device_t cdev; 443 struct uhidev *scd; 444 u_char *p; 445 u_int rep; 446 u_int32_t cc; 447 448 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 449 450 #ifdef UHIDEV_DEBUG 451 if (uhidevdebug > 5) { 452 u_int32_t i; 453 454 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 455 DPRINTF(("uhidev_intr: data =")); 456 for (i = 0; i < cc; i++) 457 DPRINTF((" %02x", sc->sc_ibuf[i])); 458 DPRINTF(("\n")); 459 } 460 #endif 461 462 if (status == USBD_CANCELLED) 463 return; 464 465 if (status != USBD_NORMAL_COMPLETION) { 466 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 467 status)); 468 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 469 return; 470 } 471 472 p = sc->sc_ibuf; 473 if (sc->sc_nrepid != 1) 474 rep = *p++, cc--; 475 else 476 rep = 0; 477 if (rep >= sc->sc_nrepid) { 478 printf("uhidev_intr: bad repid %d\n", rep); 479 return; 480 } 481 cdev = sc->sc_subdevs[rep]; 482 if (!cdev) 483 return; 484 scd = device_private(cdev); 485 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 486 rep, scd, scd ? scd->sc_state : 0)); 487 if (!(scd->sc_state & UHIDEV_OPEN)) 488 return; 489 #ifdef UHIDEV_DEBUG 490 if (scd->sc_in_rep_size != cc) { 491 DPRINTF(("%s: expected %d bytes, got %d\n", 492 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 493 } 494 #endif 495 if (cc == 0) { 496 DPRINTF(("%s: 0-length input ignored\n", 497 device_xname(sc->sc_dev))); 498 return; 499 } 500 #if NRND > 0 501 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 502 #endif 503 scd->sc_intr(scd, p, cc); 504 } 505 506 void 507 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 508 { 509 *desc = sc->sc_repdesc; 510 *size = sc->sc_repdesc_size; 511 } 512 513 int 514 uhidev_open(struct uhidev *scd) 515 { 516 struct uhidev_softc *sc = scd->sc_parent; 517 usbd_status err; 518 int error; 519 520 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 521 scd->sc_state, sc->sc_refcnt)); 522 523 if (scd->sc_state & UHIDEV_OPEN) 524 return (EBUSY); 525 scd->sc_state |= UHIDEV_OPEN; 526 if (sc->sc_refcnt++) 527 return (0); 528 529 if (sc->sc_isize == 0) 530 return (0); 531 532 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 533 534 /* Set up input interrupt pipe. */ 535 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 536 sc->sc_iep_addr)); 537 538 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 539 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 540 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 541 if (err != USBD_NORMAL_COMPLETION) { 542 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 543 "error=%d\n", err)); 544 error = EIO; 545 goto out1; 546 } 547 548 /* 549 * Set up output interrupt pipe if an output interrupt endpoint 550 * exists. 551 */ 552 if (sc->sc_oep_addr != -1) { 553 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 554 555 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 556 0, &sc->sc_opipe); 557 558 if (err != USBD_NORMAL_COMPLETION) { 559 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 560 "error=%d\n", err)); 561 error = EIO; 562 goto out2; 563 } 564 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 565 566 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 567 if (sc->sc_oxfer == NULL) { 568 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 569 error = ENOMEM; 570 goto out3; 571 } 572 } 573 574 return (0); 575 out3: 576 /* Abort output pipe */ 577 usbd_close_pipe(sc->sc_opipe); 578 out2: 579 /* Abort input pipe */ 580 usbd_close_pipe(sc->sc_ipipe); 581 out1: 582 DPRINTF(("uhidev_open: failed in someway")); 583 free(sc->sc_ibuf, M_USBDEV); 584 scd->sc_state &= ~UHIDEV_OPEN; 585 sc->sc_refcnt = 0; 586 sc->sc_ipipe = NULL; 587 sc->sc_opipe = NULL; 588 sc->sc_oxfer = NULL; 589 return error; 590 } 591 592 void 593 uhidev_close(struct uhidev *scd) 594 { 595 struct uhidev_softc *sc = scd->sc_parent; 596 597 if (!(scd->sc_state & UHIDEV_OPEN)) 598 return; 599 scd->sc_state &= ~UHIDEV_OPEN; 600 if (--sc->sc_refcnt) 601 return; 602 DPRINTF(("uhidev_close: close pipe\n")); 603 604 if (sc->sc_oxfer != NULL) 605 usbd_free_xfer(sc->sc_oxfer); 606 607 /* Disable interrupts. */ 608 if (sc->sc_opipe != NULL) { 609 usbd_abort_pipe(sc->sc_opipe); 610 usbd_close_pipe(sc->sc_opipe); 611 sc->sc_opipe = NULL; 612 } 613 614 if (sc->sc_ipipe != NULL) { 615 usbd_abort_pipe(sc->sc_ipipe); 616 usbd_close_pipe(sc->sc_ipipe); 617 sc->sc_ipipe = NULL; 618 } 619 620 if (sc->sc_ibuf != NULL) { 621 free(sc->sc_ibuf, M_USBDEV); 622 sc->sc_ibuf = NULL; 623 } 624 } 625 626 usbd_status 627 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 628 { 629 char *buf; 630 usbd_status retstat; 631 632 if (scd->sc_report_id == 0) 633 return usbd_set_report(scd->sc_parent->sc_iface, type, 634 scd->sc_report_id, data, len); 635 636 buf = malloc(len + 1, M_TEMP, M_WAITOK); 637 buf[0] = scd->sc_report_id; 638 memcpy(buf+1, data, len); 639 640 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 641 scd->sc_report_id, buf, len + 1); 642 643 free(buf, M_TEMP); 644 645 return retstat; 646 } 647 648 void 649 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 650 { 651 /* XXX */ 652 char buf[100]; 653 if (scd->sc_report_id) { 654 buf[0] = scd->sc_report_id; 655 memcpy(buf+1, data, len); 656 len++; 657 data = buf; 658 } 659 660 usbd_set_report_async(scd->sc_parent->sc_iface, type, 661 scd->sc_report_id, data, len); 662 } 663 664 usbd_status 665 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 666 { 667 return usbd_get_report(scd->sc_parent->sc_iface, type, 668 scd->sc_report_id, data, len); 669 } 670 671 usbd_status 672 uhidev_write(struct uhidev_softc *sc, void *data, int len) 673 { 674 675 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 676 677 if (sc->sc_opipe == NULL) 678 return USBD_INVAL; 679 680 #ifdef UHIDEV_DEBUG 681 if (uhidevdebug > 50) { 682 683 u_int32_t i; 684 u_int8_t *d = data; 685 686 DPRINTF(("uhidev_write: data =")); 687 for (i = 0; i < len; i++) 688 DPRINTF((" %02x", d[i])); 689 DPRINTF(("\n")); 690 } 691 #endif 692 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 693 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 694 } 695