uhidev.c revision 1.50
1 /* $NetBSD: uhidev.c,v 1.50 2011/07/20 19:27:53 ryoon 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 * 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 1.50 2011/07/20 19:27:53 ryoon 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 case USB_PRODUCT_WACOM_GRAPHIRE2: 197 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 198 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 199 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 200 /* 201 * The Graphire3 needs 0x0202 to be written to 202 * feature report ID 2 before it'll start 203 * returning digitizer data. 204 */ 205 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 206 &reportbuf, sizeof reportbuf); 207 208 size = sizeof uhid_graphire3_4x5_report_descr; 209 descptr = uhid_graphire3_4x5_report_descr; 210 break; 211 default: 212 /* Keep descriptor */ 213 break; 214 } 215 } 216 217 if (descptr) { 218 desc = malloc(size, M_USBDEV, M_NOWAIT); 219 if (desc == NULL) 220 err = USBD_NOMEM; 221 else { 222 err = USBD_NORMAL_COMPLETION; 223 memcpy(desc, descptr, size); 224 } 225 } else { 226 desc = NULL; 227 err = usbd_read_report_desc(uaa->iface, &desc, &size, 228 M_USBDEV); 229 } 230 if (err) { 231 aprint_error_dev(self, "no report descriptor\n"); 232 sc->sc_dying = 1; 233 return; 234 } 235 236 if (uaa->vendor == USB_VENDOR_HOSIDEN && 237 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 238 static uByte reportbuf[] = { 1 }; 239 /* 240 * This device was sold by Konami with its ParaParaParadise 241 * game for PlayStation2. It needs to be "turned on" 242 * before it will send any reports. 243 */ 244 245 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 246 &reportbuf, sizeof reportbuf); 247 } 248 249 if (uaa->vendor == USB_VENDOR_LOGITECH && 250 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 251 uint8_t *data = desc; 252 /* 253 * This device has a odd USAGE_MINIMUM value that would 254 * cause the multimedia keys to have their usage number 255 * shifted up one usage. Adjust so the usages are sane. 256 */ 257 258 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 259 data[0x58] == 0x2a && data[0x59] == 0x8c) 260 data[0x57] = 0x00; 261 } 262 263 sc->sc_repdesc = desc; 264 sc->sc_repdesc_size = size; 265 266 uha.uaa = uaa; 267 nrepid = uhidev_maxrepid(desc, size); 268 if (nrepid < 0) 269 return; 270 if (nrepid > 0) 271 aprint_normal_dev(self, "%d report ids\n", nrepid); 272 nrepid++; 273 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 274 if (repsizes == NULL) 275 goto nomem; 276 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 277 M_USBDEV, M_NOWAIT | M_ZERO); 278 if (sc->sc_subdevs == NULL) { 279 free(repsizes, M_TEMP); 280 nomem: 281 aprint_error_dev(self, "no memory\n"); 282 return; 283 } 284 285 /* Just request max packet size for the interrupt pipe */ 286 sc->sc_isize = maxinpktsize; 287 sc->sc_nrepid = nrepid; 288 289 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 290 sc->sc_dev); 291 292 for (repid = 0; repid < nrepid; repid++) { 293 repsz = hid_report_size(desc, size, hid_input, repid); 294 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 295 repsizes[repid] = repsz; 296 } 297 298 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 299 300 uha.parent = sc; 301 for (repid = 0; repid < nrepid; repid++) { 302 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 303 if (hid_report_size(desc, size, hid_input, repid) == 0 && 304 hid_report_size(desc, size, hid_output, repid) == 0 && 305 hid_report_size(desc, size, hid_feature, repid) == 0) { 306 ; /* already NULL in sc->sc_subdevs[repid] */ 307 } else { 308 uha.reportid = repid; 309 locs[UHIDBUSCF_REPORTID] = repid; 310 311 dev = config_found_sm_loc(self, 312 "uhidbus", locs, &uha, 313 uhidevprint, config_stdsubmatch); 314 sc->sc_subdevs[repid] = dev; 315 if (dev != NULL) { 316 csc = device_private(dev); 317 csc->sc_in_rep_size = repsizes[repid]; 318 #ifdef DIAGNOSTIC 319 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 320 repid, dev)); 321 if (csc->sc_intr == NULL) { 322 free(repsizes, M_TEMP); 323 aprint_error_dev(self, 324 "sc_intr == NULL\n"); 325 return; 326 } 327 #endif 328 #if NRND > 0 329 rnd_attach_source(&csc->rnd_source, 330 device_xname(dev), 331 RND_TYPE_TTY, 0); 332 #endif 333 } 334 } 335 } 336 free(repsizes, M_TEMP); 337 338 return; 339 } 340 341 int 342 uhidev_maxrepid(void *buf, int len) 343 { 344 struct hid_data *d; 345 struct hid_item h; 346 int maxid; 347 348 maxid = -1; 349 h.report_ID = 0; 350 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 351 if (h.report_ID > maxid) 352 maxid = h.report_ID; 353 hid_end_parse(d); 354 return (maxid); 355 } 356 357 int 358 uhidevprint(void *aux, const char *pnp) 359 { 360 struct uhidev_attach_arg *uha = aux; 361 362 if (pnp) 363 aprint_normal("uhid at %s", pnp); 364 if (uha->reportid != 0) 365 aprint_normal(" reportid %d", uha->reportid); 366 return (UNCONF); 367 } 368 369 int 370 uhidev_activate(device_t self, enum devact act) 371 { 372 struct uhidev_softc *sc = device_private(self); 373 374 switch (act) { 375 case DVACT_DEACTIVATE: 376 sc->sc_dying = 1; 377 return 0; 378 default: 379 return EOPNOTSUPP; 380 } 381 } 382 383 void 384 uhidev_childdet(device_t self, device_t child) 385 { 386 int i; 387 struct uhidev_softc *sc = device_private(self); 388 389 for (i = 0; i < sc->sc_nrepid; i++) { 390 if (sc->sc_subdevs[i] == child) 391 break; 392 } 393 KASSERT(i < sc->sc_nrepid); 394 sc->sc_subdevs[i] = NULL; 395 } 396 397 int 398 uhidev_detach(device_t self, int flags) 399 { 400 struct uhidev_softc *sc = device_private(self); 401 int i, rv; 402 #if NRND > 0 403 struct uhidev *csc; 404 #endif 405 406 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 407 408 sc->sc_dying = 1; 409 if (sc->sc_ipipe != NULL) 410 usbd_abort_pipe(sc->sc_ipipe); 411 412 if (sc->sc_repdesc != NULL) 413 free(sc->sc_repdesc, M_USBDEV); 414 415 rv = 0; 416 for (i = 0; i < sc->sc_nrepid; i++) { 417 if (sc->sc_subdevs[i] != NULL) { 418 #if NRND > 0 419 csc = device_private(sc->sc_subdevs[i]); 420 rnd_detach_source(&csc->rnd_source); 421 #endif 422 rv |= config_detach(sc->sc_subdevs[i], flags); 423 } 424 } 425 426 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 427 sc->sc_dev); 428 429 pmf_device_deregister(self); 430 431 return (rv); 432 } 433 434 void 435 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 436 { 437 struct uhidev_softc *sc = addr; 438 device_t cdev; 439 struct uhidev *scd; 440 u_char *p; 441 u_int rep; 442 u_int32_t cc; 443 444 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 445 446 #ifdef UHIDEV_DEBUG 447 if (uhidevdebug > 5) { 448 u_int32_t i; 449 450 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 451 DPRINTF(("uhidev_intr: data =")); 452 for (i = 0; i < cc; i++) 453 DPRINTF((" %02x", sc->sc_ibuf[i])); 454 DPRINTF(("\n")); 455 } 456 #endif 457 458 if (status == USBD_CANCELLED) 459 return; 460 461 if (status != USBD_NORMAL_COMPLETION) { 462 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 463 status)); 464 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 465 return; 466 } 467 468 p = sc->sc_ibuf; 469 if (sc->sc_nrepid != 1) 470 rep = *p++, cc--; 471 else 472 rep = 0; 473 if (rep >= sc->sc_nrepid) { 474 printf("uhidev_intr: bad repid %d\n", rep); 475 return; 476 } 477 cdev = sc->sc_subdevs[rep]; 478 if (!cdev) 479 return; 480 scd = device_private(cdev); 481 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 482 rep, scd, scd ? scd->sc_state : 0)); 483 if (!(scd->sc_state & UHIDEV_OPEN)) 484 return; 485 #ifdef UHIDEV_DEBUG 486 if (scd->sc_in_rep_size != cc) { 487 DPRINTF(("%s: expected %d bytes, got %d\n", 488 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 489 } 490 #endif 491 if (cc == 0) { 492 DPRINTF(("%s: 0-length input ignored\n", 493 device_xname(sc->sc_dev))); 494 return; 495 } 496 #if NRND > 0 497 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 498 #endif 499 scd->sc_intr(scd, p, cc); 500 } 501 502 void 503 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 504 { 505 *desc = sc->sc_repdesc; 506 *size = sc->sc_repdesc_size; 507 } 508 509 int 510 uhidev_open(struct uhidev *scd) 511 { 512 struct uhidev_softc *sc = scd->sc_parent; 513 usbd_status err; 514 int error; 515 516 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 517 scd->sc_state, sc->sc_refcnt)); 518 519 if (scd->sc_state & UHIDEV_OPEN) 520 return (EBUSY); 521 scd->sc_state |= UHIDEV_OPEN; 522 if (sc->sc_refcnt++) 523 return (0); 524 525 if (sc->sc_isize == 0) 526 return (0); 527 528 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 529 530 /* Set up input interrupt pipe. */ 531 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 532 sc->sc_iep_addr)); 533 534 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 535 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 536 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 537 if (err != USBD_NORMAL_COMPLETION) { 538 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 539 "error=%d\n", err)); 540 error = EIO; 541 goto out1; 542 } 543 544 /* 545 * Set up output interrupt pipe if an output interrupt endpoint 546 * exists. 547 */ 548 if (sc->sc_oep_addr != -1) { 549 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 550 551 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 552 0, &sc->sc_opipe); 553 554 if (err != USBD_NORMAL_COMPLETION) { 555 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 556 "error=%d\n", err)); 557 error = EIO; 558 goto out2; 559 } 560 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 561 562 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 563 if (sc->sc_oxfer == NULL) { 564 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 565 error = ENOMEM; 566 goto out3; 567 } 568 } 569 570 return (0); 571 out3: 572 /* Abort output pipe */ 573 usbd_close_pipe(sc->sc_opipe); 574 out2: 575 /* Abort input pipe */ 576 usbd_close_pipe(sc->sc_ipipe); 577 out1: 578 DPRINTF(("uhidev_open: failed in someway")); 579 free(sc->sc_ibuf, M_USBDEV); 580 scd->sc_state &= ~UHIDEV_OPEN; 581 sc->sc_refcnt = 0; 582 sc->sc_ipipe = NULL; 583 sc->sc_opipe = NULL; 584 sc->sc_oxfer = NULL; 585 return error; 586 } 587 588 void 589 uhidev_close(struct uhidev *scd) 590 { 591 struct uhidev_softc *sc = scd->sc_parent; 592 593 if (!(scd->sc_state & UHIDEV_OPEN)) 594 return; 595 scd->sc_state &= ~UHIDEV_OPEN; 596 if (--sc->sc_refcnt) 597 return; 598 DPRINTF(("uhidev_close: close pipe\n")); 599 600 if (sc->sc_oxfer != NULL) 601 usbd_free_xfer(sc->sc_oxfer); 602 603 /* Disable interrupts. */ 604 if (sc->sc_opipe != NULL) { 605 usbd_abort_pipe(sc->sc_opipe); 606 usbd_close_pipe(sc->sc_opipe); 607 sc->sc_opipe = NULL; 608 } 609 610 if (sc->sc_ipipe != NULL) { 611 usbd_abort_pipe(sc->sc_ipipe); 612 usbd_close_pipe(sc->sc_ipipe); 613 sc->sc_ipipe = NULL; 614 } 615 616 if (sc->sc_ibuf != NULL) { 617 free(sc->sc_ibuf, M_USBDEV); 618 sc->sc_ibuf = NULL; 619 } 620 } 621 622 usbd_status 623 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 624 { 625 char *buf; 626 usbd_status retstat; 627 628 if (scd->sc_report_id == 0) 629 return usbd_set_report(scd->sc_parent->sc_iface, type, 630 scd->sc_report_id, data, len); 631 632 buf = malloc(len + 1, M_TEMP, M_WAITOK); 633 buf[0] = scd->sc_report_id; 634 memcpy(buf+1, data, len); 635 636 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 637 scd->sc_report_id, buf, len + 1); 638 639 free(buf, M_TEMP); 640 641 return retstat; 642 } 643 644 void 645 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 646 { 647 /* XXX */ 648 char buf[100]; 649 if (scd->sc_report_id) { 650 buf[0] = scd->sc_report_id; 651 memcpy(buf+1, data, len); 652 len++; 653 data = buf; 654 } 655 656 usbd_set_report_async(scd->sc_parent->sc_iface, type, 657 scd->sc_report_id, data, len); 658 } 659 660 usbd_status 661 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 662 { 663 return usbd_get_report(scd->sc_parent->sc_iface, type, 664 scd->sc_report_id, data, len); 665 } 666 667 usbd_status 668 uhidev_write(struct uhidev_softc *sc, void *data, int len) 669 { 670 671 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 672 673 if (sc->sc_opipe == NULL) 674 return USBD_INVAL; 675 676 #ifdef UHIDEV_DEBUG 677 if (uhidevdebug > 50) { 678 679 u_int32_t i; 680 u_int8_t *d = data; 681 682 DPRINTF(("uhidev_write: data =")); 683 for (i = 0; i < len; i++) 684 DPRINTF((" %02x", d[i])); 685 DPRINTF(("\n")); 686 } 687 #endif 688 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 689 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 690 } 691
Indexes created Mon Sep 29 18:09:42 GMT 2025