1 /* $NetBSD: uhidev.c,v 1.51 2011/07/30 12:15:44 jmcneill 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 1.51 2011/07/30 12:15:44 jmcneill 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 /* Report descriptor for game controllers in "XInput" mode */ 63 #include <dev/usb/xinput_rdesc.h> 64 65 #include "locators.h" 66 67 #ifdef UHIDEV_DEBUG 68 #define DPRINTF(x) if (uhidevdebug) printf x 69 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 70 int uhidevdebug = 0; 71 #else 72 #define DPRINTF(x) 73 #define DPRINTFN(n,x) 74 #endif 75 76 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 77 78 Static int uhidev_maxrepid(void *, int); 79 Static int uhidevprint(void *, const char *); 80 81 int uhidev_match(device_t, cfdata_t, void *); 82 void uhidev_attach(device_t, device_t, void *); 83 void uhidev_childdet(device_t, device_t); 84 int uhidev_detach(device_t, int); 85 int uhidev_activate(device_t, enum devact); 86 extern struct cfdriver uhidev_cd; 87 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 88 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 89 90 int 91 uhidev_match(device_t parent, cfdata_t match, void *aux) 92 { 93 struct usbif_attach_arg *uaa = aux; 94 95 /* Game controllers in "XInput" mode */ 96 if (USBIF_IS_XINPUT(uaa)) 97 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 98 if (uaa->class != UICLASS_HID) 99 return (UMATCH_NONE); 100 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 101 return (UMATCH_NONE); 102 return (UMATCH_IFACECLASS_GENERIC); 103 } 104 105 void 106 uhidev_attach(device_t parent, device_t self, void *aux) 107 { 108 struct uhidev_softc *sc = device_private(self); 109 struct usbif_attach_arg *uaa = aux; 110 usbd_interface_handle iface = uaa->iface; 111 usb_interface_descriptor_t *id; 112 usb_endpoint_descriptor_t *ed; 113 struct uhidev_attach_arg uha; 114 device_t dev; 115 struct uhidev *csc; 116 int maxinpktsize, size, nrepid, repid, repsz; 117 int *repsizes; 118 int i; 119 void *desc; 120 const void *descptr; 121 usbd_status err; 122 char *devinfop; 123 int locs[UHIDBUSCF_NLOCS]; 124 125 sc->sc_dev = self; 126 sc->sc_udev = uaa->device; 127 sc->sc_iface = iface; 128 129 aprint_naive("\n"); 130 aprint_normal("\n"); 131 132 id = usbd_get_interface_descriptor(iface); 133 134 devinfop = usbd_devinfo_alloc(uaa->device, 0); 135 aprint_normal_dev(self, "%s, iclass %d/%d\n", 136 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 137 usbd_devinfo_free(devinfop); 138 139 if (!pmf_device_register(self, NULL, NULL)) 140 aprint_error_dev(self, "couldn't establish power handler\n"); 141 142 (void)usbd_set_idle(iface, 0, 0); 143 #if 0 144 145 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 146 if ((qflags & UQ_NO_SET_PROTO) == 0 && 147 id->bInterfaceSubClass != UISUBCLASS_BOOT) 148 (void)usbd_set_protocol(iface, 1); 149 #endif 150 151 maxinpktsize = 0; 152 sc->sc_iep_addr = sc->sc_oep_addr = -1; 153 for (i = 0; i < id->bNumEndpoints; i++) { 154 ed = usbd_interface2endpoint_descriptor(iface, i); 155 if (ed == NULL) { 156 aprint_error_dev(self, 157 "could not read endpoint descriptor\n"); 158 sc->sc_dying = 1; 159 return; 160 } 161 162 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 163 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 164 " bInterval=%d\n", 165 ed->bLength, ed->bDescriptorType, 166 ed->bEndpointAddress & UE_ADDR, 167 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 168 ed->bmAttributes & UE_XFERTYPE, 169 UGETW(ed->wMaxPacketSize), ed->bInterval)); 170 171 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 172 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 173 maxinpktsize = UGETW(ed->wMaxPacketSize); 174 sc->sc_iep_addr = ed->bEndpointAddress; 175 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 176 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 177 sc->sc_oep_addr = ed->bEndpointAddress; 178 } else { 179 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 180 } 181 } 182 183 /* 184 * Check that we found an input interrupt endpoint. The output interrupt 185 * endpoint is optional 186 */ 187 if (sc->sc_iep_addr == -1) { 188 aprint_error_dev(self, "no input interrupt endpoint\n"); 189 sc->sc_dying = 1; 190 return; 191 } 192 193 /* XXX need to extend this */ 194 descptr = NULL; 195 if (uaa->vendor == USB_VENDOR_WACOM) { 196 static uByte reportbuf[] = {2, 2, 2}; 197 198 /* The report descriptor for the Wacom Graphire is broken. */ 199 switch (uaa->product) { 200 case USB_PRODUCT_WACOM_GRAPHIRE: 201 case USB_PRODUCT_WACOM_GRAPHIRE2: 202 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 203 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 204 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 205 /* 206 * The Graphire3 needs 0x0202 to be written to 207 * feature report ID 2 before it'll start 208 * returning digitizer data. 209 */ 210 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 211 &reportbuf, sizeof reportbuf); 212 213 size = sizeof uhid_graphire3_4x5_report_descr; 214 descptr = uhid_graphire3_4x5_report_descr; 215 break; 216 default: 217 /* Keep descriptor */ 218 break; 219 } 220 } 221 if (USBIF_IS_XINPUT(uaa)) { 222 size = sizeof uhid_xinput_report_descr; 223 descptr = uhid_xinput_report_descr; 224 } 225 226 if (descptr) { 227 desc = malloc(size, M_USBDEV, M_NOWAIT); 228 if (desc == NULL) 229 err = USBD_NOMEM; 230 else { 231 err = USBD_NORMAL_COMPLETION; 232 memcpy(desc, descptr, size); 233 } 234 } else { 235 desc = NULL; 236 err = usbd_read_report_desc(uaa->iface, &desc, &size, 237 M_USBDEV); 238 } 239 if (err) { 240 aprint_error_dev(self, "no report descriptor\n"); 241 sc->sc_dying = 1; 242 return; 243 } 244 245 if (uaa->vendor == USB_VENDOR_HOSIDEN && 246 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 247 static uByte reportbuf[] = { 1 }; 248 /* 249 * This device was sold by Konami with its ParaParaParadise 250 * game for PlayStation2. It needs to be "turned on" 251 * before it will send any reports. 252 */ 253 254 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 255 &reportbuf, sizeof reportbuf); 256 } 257 258 if (uaa->vendor == USB_VENDOR_LOGITECH && 259 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 260 uint8_t *data = desc; 261 /* 262 * This device has a odd USAGE_MINIMUM value that would 263 * cause the multimedia keys to have their usage number 264 * shifted up one usage. Adjust so the usages are sane. 265 */ 266 267 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 268 data[0x58] == 0x2a && data[0x59] == 0x8c) 269 data[0x57] = 0x00; 270 } 271 272 sc->sc_repdesc = desc; 273 sc->sc_repdesc_size = size; 274 275 uha.uaa = uaa; 276 nrepid = uhidev_maxrepid(desc, size); 277 if (nrepid < 0) 278 return; 279 if (nrepid > 0) 280 aprint_normal_dev(self, "%d report ids\n", nrepid); 281 nrepid++; 282 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 283 if (repsizes == NULL) 284 goto nomem; 285 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 286 M_USBDEV, M_NOWAIT | M_ZERO); 287 if (sc->sc_subdevs == NULL) { 288 free(repsizes, M_TEMP); 289 nomem: 290 aprint_error_dev(self, "no memory\n"); 291 return; 292 } 293 294 /* Just request max packet size for the interrupt pipe */ 295 sc->sc_isize = maxinpktsize; 296 sc->sc_nrepid = nrepid; 297 298 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 299 sc->sc_dev); 300 301 for (repid = 0; repid < nrepid; repid++) { 302 repsz = hid_report_size(desc, size, hid_input, repid); 303 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 304 repsizes[repid] = repsz; 305 } 306 307 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 308 309 uha.parent = sc; 310 for (repid = 0; repid < nrepid; repid++) { 311 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 312 if (hid_report_size(desc, size, hid_input, repid) == 0 && 313 hid_report_size(desc, size, hid_output, repid) == 0 && 314 hid_report_size(desc, size, hid_feature, repid) == 0) { 315 ; /* already NULL in sc->sc_subdevs[repid] */ 316 } else { 317 uha.reportid = repid; 318 locs[UHIDBUSCF_REPORTID] = repid; 319 320 dev = config_found_sm_loc(self, 321 "uhidbus", locs, &uha, 322 uhidevprint, config_stdsubmatch); 323 sc->sc_subdevs[repid] = dev; 324 if (dev != NULL) { 325 csc = device_private(dev); 326 csc->sc_in_rep_size = repsizes[repid]; 327 #ifdef DIAGNOSTIC 328 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 329 repid, dev)); 330 if (csc->sc_intr == NULL) { 331 free(repsizes, M_TEMP); 332 aprint_error_dev(self, 333 "sc_intr == NULL\n"); 334 return; 335 } 336 #endif 337 #if NRND > 0 338 rnd_attach_source(&csc->rnd_source, 339 device_xname(dev), 340 RND_TYPE_TTY, 0); 341 #endif 342 } 343 } 344 } 345 free(repsizes, M_TEMP); 346 347 return; 348 } 349 350 int 351 uhidev_maxrepid(void *buf, int len) 352 { 353 struct hid_data *d; 354 struct hid_item h; 355 int maxid; 356 357 maxid = -1; 358 h.report_ID = 0; 359 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 360 if (h.report_ID > maxid) 361 maxid = h.report_ID; 362 hid_end_parse(d); 363 return (maxid); 364 } 365 366 int 367 uhidevprint(void *aux, const char *pnp) 368 { 369 struct uhidev_attach_arg *uha = aux; 370 371 if (pnp) 372 aprint_normal("uhid at %s", pnp); 373 if (uha->reportid != 0) 374 aprint_normal(" reportid %d", uha->reportid); 375 return (UNCONF); 376 } 377 378 int 379 uhidev_activate(device_t self, enum devact act) 380 { 381 struct uhidev_softc *sc = device_private(self); 382 383 switch (act) { 384 case DVACT_DEACTIVATE: 385 sc->sc_dying = 1; 386 return 0; 387 default: 388 return EOPNOTSUPP; 389 } 390 } 391 392 void 393 uhidev_childdet(device_t self, device_t child) 394 { 395 int i; 396 struct uhidev_softc *sc = device_private(self); 397 398 for (i = 0; i < sc->sc_nrepid; i++) { 399 if (sc->sc_subdevs[i] == child) 400 break; 401 } 402 KASSERT(i < sc->sc_nrepid); 403 sc->sc_subdevs[i] = NULL; 404 } 405 406 int 407 uhidev_detach(device_t self, int flags) 408 { 409 struct uhidev_softc *sc = device_private(self); 410 int i, rv; 411 #if NRND > 0 412 struct uhidev *csc; 413 #endif 414 415 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 416 417 sc->sc_dying = 1; 418 if (sc->sc_ipipe != NULL) 419 usbd_abort_pipe(sc->sc_ipipe); 420 421 if (sc->sc_repdesc != NULL) 422 free(sc->sc_repdesc, M_USBDEV); 423 424 rv = 0; 425 for (i = 0; i < sc->sc_nrepid; i++) { 426 if (sc->sc_subdevs[i] != NULL) { 427 #if NRND > 0 428 csc = device_private(sc->sc_subdevs[i]); 429 rnd_detach_source(&csc->rnd_source); 430 #endif 431 rv |= config_detach(sc->sc_subdevs[i], flags); 432 } 433 } 434 435 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 436 sc->sc_dev); 437 438 pmf_device_deregister(self); 439 440 return (rv); 441 } 442 443 void 444 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 445 { 446 struct uhidev_softc *sc = addr; 447 device_t cdev; 448 struct uhidev *scd; 449 u_char *p; 450 u_int rep; 451 u_int32_t cc; 452 453 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 454 455 #ifdef UHIDEV_DEBUG 456 if (uhidevdebug > 5) { 457 u_int32_t i; 458 459 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 460 DPRINTF(("uhidev_intr: data =")); 461 for (i = 0; i < cc; i++) 462 DPRINTF((" %02x", sc->sc_ibuf[i])); 463 DPRINTF(("\n")); 464 } 465 #endif 466 467 if (status == USBD_CANCELLED) 468 return; 469 470 if (status != USBD_NORMAL_COMPLETION) { 471 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 472 status)); 473 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 474 return; 475 } 476 477 p = sc->sc_ibuf; 478 if (sc->sc_nrepid != 1) 479 rep = *p++, cc--; 480 else 481 rep = 0; 482 if (rep >= sc->sc_nrepid) { 483 printf("uhidev_intr: bad repid %d\n", rep); 484 return; 485 } 486 cdev = sc->sc_subdevs[rep]; 487 if (!cdev) 488 return; 489 scd = device_private(cdev); 490 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 491 rep, scd, scd ? scd->sc_state : 0)); 492 if (!(scd->sc_state & UHIDEV_OPEN)) 493 return; 494 #ifdef UHIDEV_DEBUG 495 if (scd->sc_in_rep_size != cc) { 496 DPRINTF(("%s: expected %d bytes, got %d\n", 497 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 498 } 499 #endif 500 if (cc == 0) { 501 DPRINTF(("%s: 0-length input ignored\n", 502 device_xname(sc->sc_dev))); 503 return; 504 } 505 #if NRND > 0 506 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 507 #endif 508 scd->sc_intr(scd, p, cc); 509 } 510 511 void 512 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 513 { 514 *desc = sc->sc_repdesc; 515 *size = sc->sc_repdesc_size; 516 } 517 518 int 519 uhidev_open(struct uhidev *scd) 520 { 521 struct uhidev_softc *sc = scd->sc_parent; 522 usbd_status err; 523 int error; 524 525 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 526 scd->sc_state, sc->sc_refcnt)); 527 528 if (scd->sc_state & UHIDEV_OPEN) 529 return (EBUSY); 530 scd->sc_state |= UHIDEV_OPEN; 531 if (sc->sc_refcnt++) 532 return (0); 533 534 if (sc->sc_isize == 0) 535 return (0); 536 537 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 538 539 /* Set up input interrupt pipe. */ 540 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 541 sc->sc_iep_addr)); 542 543 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 544 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 545 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 546 if (err != USBD_NORMAL_COMPLETION) { 547 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 548 "error=%d\n", err)); 549 error = EIO; 550 goto out1; 551 } 552 553 /* 554 * Set up output interrupt pipe if an output interrupt endpoint 555 * exists. 556 */ 557 if (sc->sc_oep_addr != -1) { 558 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 559 560 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 561 0, &sc->sc_opipe); 562 563 if (err != USBD_NORMAL_COMPLETION) { 564 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 565 "error=%d\n", err)); 566 error = EIO; 567 goto out2; 568 } 569 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 570 571 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 572 if (sc->sc_oxfer == NULL) { 573 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 574 error = ENOMEM; 575 goto out3; 576 } 577 } 578 579 return (0); 580 out3: 581 /* Abort output pipe */ 582 usbd_close_pipe(sc->sc_opipe); 583 out2: 584 /* Abort input pipe */ 585 usbd_close_pipe(sc->sc_ipipe); 586 out1: 587 DPRINTF(("uhidev_open: failed in someway")); 588 free(sc->sc_ibuf, M_USBDEV); 589 scd->sc_state &= ~UHIDEV_OPEN; 590 sc->sc_refcnt = 0; 591 sc->sc_ipipe = NULL; 592 sc->sc_opipe = NULL; 593 sc->sc_oxfer = NULL; 594 return error; 595 } 596 597 void 598 uhidev_close(struct uhidev *scd) 599 { 600 struct uhidev_softc *sc = scd->sc_parent; 601 602 if (!(scd->sc_state & UHIDEV_OPEN)) 603 return; 604 scd->sc_state &= ~UHIDEV_OPEN; 605 if (--sc->sc_refcnt) 606 return; 607 DPRINTF(("uhidev_close: close pipe\n")); 608 609 if (sc->sc_oxfer != NULL) 610 usbd_free_xfer(sc->sc_oxfer); 611 612 /* Disable interrupts. */ 613 if (sc->sc_opipe != NULL) { 614 usbd_abort_pipe(sc->sc_opipe); 615 usbd_close_pipe(sc->sc_opipe); 616 sc->sc_opipe = NULL; 617 } 618 619 if (sc->sc_ipipe != NULL) { 620 usbd_abort_pipe(sc->sc_ipipe); 621 usbd_close_pipe(sc->sc_ipipe); 622 sc->sc_ipipe = NULL; 623 } 624 625 if (sc->sc_ibuf != NULL) { 626 free(sc->sc_ibuf, M_USBDEV); 627 sc->sc_ibuf = NULL; 628 } 629 } 630 631 usbd_status 632 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 633 { 634 char *buf; 635 usbd_status retstat; 636 637 if (scd->sc_report_id == 0) 638 return usbd_set_report(scd->sc_parent->sc_iface, type, 639 scd->sc_report_id, data, len); 640 641 buf = malloc(len + 1, M_TEMP, M_WAITOK); 642 buf[0] = scd->sc_report_id; 643 memcpy(buf+1, data, len); 644 645 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 646 scd->sc_report_id, buf, len + 1); 647 648 free(buf, M_TEMP); 649 650 return retstat; 651 } 652 653 void 654 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 655 { 656 /* XXX */ 657 char buf[100]; 658 if (scd->sc_report_id) { 659 buf[0] = scd->sc_report_id; 660 memcpy(buf+1, data, len); 661 len++; 662 data = buf; 663 } 664 665 usbd_set_report_async(scd->sc_parent->sc_iface, type, 666 scd->sc_report_id, data, len); 667 } 668 669 usbd_status 670 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 671 { 672 return usbd_get_report(scd->sc_parent->sc_iface, type, 673 scd->sc_report_id, data, len); 674 } 675 676 usbd_status 677 uhidev_write(struct uhidev_softc *sc, void *data, int len) 678 { 679 680 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 681 682 if (sc->sc_opipe == NULL) 683 return USBD_INVAL; 684 685 #ifdef UHIDEV_DEBUG 686 if (uhidevdebug > 50) { 687 688 u_int32_t i; 689 u_int8_t *d = data; 690 691 DPRINTF(("uhidev_write: data =")); 692 for (i = 0; i < len; i++) 693 DPRINTF((" %02x", d[i])); 694 DPRINTF(("\n")); 695 } 696 #endif 697 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 698 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 699 } 700