1 /* $OpenBSD: uhidev.c,v 1.42 2011/07/03 15:47:17 matthew Exp $ */ 2 /* $NetBSD: uhidev.c,v 1.14 2003/03/11 16:44:00 augustss Exp $ */ 3 4 /* 5 * Copyright (c) 2001 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf 36 */ 37 38 #include <sys/param.h> 39 #include <sys/systm.h> 40 #include <sys/kernel.h> 41 #include <sys/malloc.h> 42 #include <sys/signalvar.h> 43 #include <sys/device.h> 44 #include <sys/ioctl.h> 45 #include <sys/conf.h> 46 47 #include <dev/usb/usb.h> 48 #include <dev/usb/usbhid.h> 49 50 #include <dev/usb/usbdevs.h> 51 #include <dev/usb/usbdi.h> 52 #include <dev/usb/usbdi_util.h> 53 #include <dev/usb/hid.h> 54 #include <dev/usb/usb_quirks.h> 55 56 #include <dev/usb/uhidev.h> 57 58 /* Report descriptor for broken Wacom Graphire */ 59 #include <dev/usb/ugraphire_rdesc.h> 60 61 #ifdef UHIDEV_DEBUG 62 #define DPRINTF(x) do { if (uhidevdebug) printf x; } while (0) 63 #define DPRINTFN(n,x) do { if (uhidevdebug>(n)) printf x; } while (0) 64 int uhidevdebug = 0; 65 #else 66 #define DPRINTF(x) 67 #define DPRINTFN(n,x) 68 #endif 69 70 void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 71 72 int uhidev_maxrepid(void *buf, int len); 73 int uhidevprint(void *aux, const char *pnp); 74 int uhidevsubmatch(struct device *parent, void *cf, void *aux); 75 76 int uhidev_match(struct device *, void *, void *); 77 void uhidev_attach(struct device *, struct device *, void *); 78 int uhidev_detach(struct device *, int); 79 int uhidev_activate(struct device *, int); 80 81 struct cfdriver uhidev_cd = { 82 NULL, "uhidev", DV_DULL 83 }; 84 85 const struct cfattach uhidev_ca = { 86 sizeof(struct uhidev_softc), 87 uhidev_match, 88 uhidev_attach, 89 uhidev_detach, 90 uhidev_activate, 91 }; 92 93 int 94 uhidev_match(struct device *parent, void *match, void *aux) 95 { 96 struct usb_attach_arg *uaa = aux; 97 usb_interface_descriptor_t *id; 98 99 if (uaa->iface == NULL) 100 return (UMATCH_NONE); 101 id = usbd_get_interface_descriptor(uaa->iface); 102 if (id == NULL || id->bInterfaceClass != UICLASS_HID) 103 return (UMATCH_NONE); 104 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_HID) 105 return (UMATCH_NONE); 106 if (uaa->matchlvl) 107 return (uaa->matchlvl); 108 109 return (UMATCH_IFACECLASS_GENERIC); 110 } 111 112 void 113 uhidev_attach(struct device *parent, struct device *self, void *aux) 114 { 115 struct uhidev_softc *sc = (struct uhidev_softc *)self; 116 struct usb_attach_arg *uaa = aux; 117 usbd_interface_handle iface = uaa->iface; 118 usb_interface_descriptor_t *id; 119 usb_endpoint_descriptor_t *ed; 120 struct uhidev_attach_arg uha; 121 struct uhidev *dev; 122 int size, nrepid, repid, repsz; 123 int repsizes[256]; 124 int i; 125 void *desc; 126 const void *descptr; 127 usbd_status err; 128 129 sc->sc_udev = uaa->device; 130 sc->sc_iface = iface; 131 id = usbd_get_interface_descriptor(iface); 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 sc->sc_dev.dv_xname); 148 sc->sc_dying = 1; 149 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", sc->sc_dev.dv_xname); 169 sc->sc_dying = 1; 170 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", sc->sc_dev.dv_xname); 180 sc->sc_dying = 1; 181 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 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 196 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: 197 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 198 &reportbuf, sizeof reportbuf); 199 size = sizeof uhid_graphire3_4x5_report_descr; 200 descptr = uhid_graphire3_4x5_report_descr; 201 break; 202 default: 203 /* Keep descriptor */ 204 break; 205 } 206 } 207 208 if (descptr) { 209 desc = malloc(size, M_USBDEV, M_NOWAIT); 210 if (desc == NULL) 211 err = USBD_NOMEM; 212 else { 213 err = USBD_NORMAL_COMPLETION; 214 memcpy(desc, descptr, size); 215 } 216 } else { 217 desc = NULL; 218 err = usbd_read_report_desc(uaa->iface, &desc, &size, M_USBDEV); 219 } 220 if (err) { 221 printf("%s: no report descriptor\n", sc->sc_dev.dv_xname); 222 sc->sc_dying = 1; 223 return; 224 } 225 226 sc->sc_repdesc = desc; 227 sc->sc_repdesc_size = size; 228 229 uha.uaa = uaa; 230 nrepid = uhidev_maxrepid(desc, size); 231 if (nrepid < 0) 232 return; 233 printf("%s: iclass %d/%d", sc->sc_dev.dv_xname, 234 id->bInterfaceClass, id->bInterfaceSubClass); 235 if (nrepid > 0) 236 printf(", %d report id%s", nrepid, 237 nrepid > 1 ? "s" : ""); 238 printf("\n"); 239 nrepid++; 240 sc->sc_subdevs = malloc(nrepid * sizeof(struct device *), 241 M_USBDEV, M_NOWAIT | M_ZERO); 242 if (sc->sc_subdevs == NULL) { 243 printf("%s: no memory\n", sc->sc_dev.dv_xname); 244 return; 245 } 246 sc->sc_nrepid = nrepid; 247 sc->sc_isize = 0; 248 249 for (repid = 0; repid < nrepid; repid++) { 250 repsz = hid_report_size(desc, size, hid_input, repid); 251 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 252 repsizes[repid] = repsz; 253 if (repsz > 0) { 254 if (repsz > sc->sc_isize) 255 sc->sc_isize = repsz; 256 } 257 } 258 sc->sc_isize += nrepid != 1; /* space for report ID */ 259 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 260 261 uha.parent = sc; 262 for (repid = 0; repid < nrepid; repid++) { 263 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 264 if (hid_report_size(desc, size, hid_input, repid) == 0 && 265 hid_report_size(desc, size, hid_output, repid) == 0 && 266 hid_report_size(desc, size, hid_feature, repid) == 0) { 267 ; /* already NULL in sc->sc_subdevs[repid] */ 268 } else { 269 uha.reportid = repid; 270 dev = (struct uhidev *)config_found_sm(self, &uha, 271 uhidevprint, uhidevsubmatch); 272 sc->sc_subdevs[repid] = dev; 273 if (dev != NULL) { 274 dev->sc_in_rep_size = repsizes[repid]; 275 #ifdef DIAGNOSTIC 276 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 277 repid, dev)); 278 if (dev->sc_intr == NULL) { 279 DPRINTF(("%s: sc_intr == NULL\n", 280 sc->sc_dev.dv_xname)); 281 return; 282 } 283 #endif 284 } 285 } 286 } 287 } 288 289 int 290 uhidev_maxrepid(void *buf, int len) 291 { 292 struct hid_data *d; 293 struct hid_item h; 294 int maxid; 295 296 maxid = -1; 297 h.report_ID = 0; 298 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 299 if (h.report_ID > maxid) 300 maxid = h.report_ID; 301 hid_end_parse(d); 302 return (maxid); 303 } 304 305 int 306 uhidevprint(void *aux, const char *pnp) 307 { 308 struct uhidev_attach_arg *uha = aux; 309 310 if (pnp) 311 printf("uhid at %s", pnp); 312 if (uha->reportid != 0) 313 printf(" reportid %d", uha->reportid); 314 return (UNCONF); 315 } 316 317 int uhidevsubmatch(struct device *parent, void *match, void *aux) 318 { 319 struct uhidev_attach_arg *uha = aux; 320 struct cfdata *cf = match; 321 322 if (cf->uhidevcf_reportid != UHIDEV_UNK_REPORTID && 323 cf->uhidevcf_reportid != uha->reportid) 324 return (0); 325 if (cf->uhidevcf_reportid == uha->reportid) 326 uha->matchlvl = UMATCH_VENDOR_PRODUCT; 327 else 328 uha->matchlvl = 0; 329 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 330 } 331 332 int 333 uhidev_activate(struct device *self, int act) 334 { 335 struct uhidev_softc *sc = (struct uhidev_softc *)self; 336 int i, rv = 0, r; 337 338 switch (act) { 339 case DVACT_DEACTIVATE: 340 for (i = 0; i < sc->sc_nrepid; i++) 341 if (sc->sc_subdevs[i] != NULL) { 342 r = config_deactivate( 343 &sc->sc_subdevs[i]->sc_dev); 344 if (r) 345 rv = r; 346 } 347 sc->sc_dying = 1; 348 break; 349 } 350 return (rv); 351 } 352 353 int 354 uhidev_detach(struct device *self, int flags) 355 { 356 struct uhidev_softc *sc = (struct uhidev_softc *)self; 357 int i, rv; 358 359 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 360 361 if (sc->sc_ipipe != NULL) 362 usbd_abort_pipe(sc->sc_ipipe); 363 364 if (sc->sc_repdesc != NULL) 365 free(sc->sc_repdesc, M_USBDEV); 366 367 rv = 0; 368 for (i = 0; i < sc->sc_nrepid; i++) { 369 if (sc->sc_subdevs[i] != NULL) { 370 rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags); 371 sc->sc_subdevs[i] = NULL; 372 } 373 } 374 375 return (rv); 376 } 377 378 void 379 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 380 { 381 struct uhidev_softc *sc = addr; 382 struct uhidev *scd; 383 u_char *p; 384 u_int rep; 385 u_int32_t cc; 386 387 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 388 389 #ifdef UHIDEV_DEBUG 390 if (uhidevdebug > 5) { 391 u_int32_t i; 392 393 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 394 DPRINTF(("uhidev_intr: data =")); 395 for (i = 0; i < cc; i++) 396 DPRINTF((" %02x", sc->sc_ibuf[i])); 397 DPRINTF(("\n")); 398 } 399 #endif 400 401 if (status == USBD_CANCELLED) 402 return; 403 404 if (status != USBD_NORMAL_COMPLETION) { 405 DPRINTF(("%s: interrupt status=%d\n", sc->sc_dev.dv_xname, 406 status)); 407 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 408 return; 409 } 410 411 p = sc->sc_ibuf; 412 if (sc->sc_nrepid != 1) 413 rep = *p++, cc--; 414 else 415 rep = 0; 416 if (rep >= sc->sc_nrepid) { 417 printf("uhidev_intr: bad repid %d\n", rep); 418 return; 419 } 420 scd = sc->sc_subdevs[rep]; 421 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 422 rep, scd, scd ? scd->sc_state : 0)); 423 if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN)) 424 return; 425 #ifdef UHIDEV_DEBUG 426 if (scd->sc_in_rep_size != cc) 427 printf("%s: bad input length %d != %d\n",sc->sc_dev.dv_xname, 428 scd->sc_in_rep_size, cc); 429 #endif 430 scd->sc_intr(scd, p, cc); 431 } 432 433 void 434 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 435 { 436 *desc = sc->sc_repdesc; 437 *size = sc->sc_repdesc_size; 438 } 439 440 int 441 uhidev_open(struct uhidev *scd) 442 { 443 struct uhidev_softc *sc = scd->sc_parent; 444 usbd_status err; 445 int error; 446 447 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 448 scd->sc_state, sc->sc_refcnt)); 449 450 if (scd->sc_state & UHIDEV_OPEN) 451 return (EBUSY); 452 scd->sc_state |= UHIDEV_OPEN; 453 if (sc->sc_refcnt++) 454 return (0); 455 456 if (sc->sc_isize == 0) 457 return (0); 458 459 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 460 461 /* Set up input interrupt pipe. */ 462 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 463 sc->sc_iep_addr)); 464 465 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 466 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 467 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 468 if (err != USBD_NORMAL_COMPLETION) { 469 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 470 "error=%d\n", err)); 471 error = EIO; 472 goto out1; 473 } 474 475 DPRINTF(("uhidev_open: sc->sc_ipipe=%p\n", sc->sc_ipipe)); 476 477 sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev); 478 if (sc->sc_ixfer == NULL) { 479 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 480 error = ENOMEM; 481 goto out1; // xxxx 482 } 483 484 /* 485 * Set up output interrupt pipe if an output interrupt endpoint 486 * exists. 487 */ 488 if (sc->sc_oep_addr != -1) { 489 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 490 491 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 492 0, &sc->sc_opipe); 493 494 if (err != USBD_NORMAL_COMPLETION) { 495 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 496 "error=%d\n", err)); 497 error = EIO; 498 goto out2; 499 } 500 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 501 502 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 503 if (sc->sc_oxfer == NULL) { 504 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 505 error = ENOMEM; 506 goto out3; 507 } 508 509 sc->sc_owxfer = usbd_alloc_xfer(sc->sc_udev); 510 if (sc->sc_owxfer == NULL) { 511 DPRINTF(("uhidev_open: couldn't allocate owxfer\n")); 512 error = ENOMEM; 513 goto out3; 514 } 515 } 516 517 return (0); 518 519 out3: 520 /* Abort output pipe */ 521 usbd_close_pipe(sc->sc_opipe); 522 out2: 523 /* Abort input pipe */ 524 usbd_close_pipe(sc->sc_ipipe); 525 out1: 526 DPRINTF(("uhidev_open: failed in someway")); 527 free(sc->sc_ibuf, M_USBDEV); 528 scd->sc_state &= ~UHIDEV_OPEN; 529 sc->sc_refcnt = 0; 530 sc->sc_ipipe = NULL; 531 sc->sc_opipe = NULL; 532 if (sc->sc_oxfer != NULL) { 533 usbd_free_xfer(sc->sc_oxfer); 534 sc->sc_oxfer = NULL; 535 } 536 if (sc->sc_owxfer != NULL) { 537 usbd_free_xfer(sc->sc_owxfer); 538 sc->sc_owxfer = NULL; 539 } 540 return (error); 541 } 542 543 void 544 uhidev_close(struct uhidev *scd) 545 { 546 struct uhidev_softc *sc = scd->sc_parent; 547 548 if (!(scd->sc_state & UHIDEV_OPEN)) 549 return; 550 scd->sc_state &= ~UHIDEV_OPEN; 551 if (--sc->sc_refcnt) 552 return; 553 DPRINTF(("uhidev_close: close pipe\n")); 554 555 if (sc->sc_oxfer != NULL) 556 usbd_free_xfer(sc->sc_oxfer); 557 558 if (sc->sc_owxfer != NULL) 559 usbd_free_xfer(sc->sc_owxfer); 560 561 /* Disable interrupts. */ 562 if (sc->sc_opipe != NULL) { 563 usbd_abort_pipe(sc->sc_opipe); 564 usbd_close_pipe(sc->sc_opipe); 565 sc->sc_opipe = NULL; 566 } 567 568 if (sc->sc_ipipe != NULL) { 569 usbd_abort_pipe(sc->sc_ipipe); 570 usbd_close_pipe(sc->sc_ipipe); 571 sc->sc_ipipe = NULL; 572 } 573 574 if (sc->sc_ibuf != NULL) { 575 free(sc->sc_ibuf, M_USBDEV); 576 sc->sc_ibuf = NULL; 577 } 578 } 579 580 usbd_status 581 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 582 { 583 char *buf; 584 usbd_status retstat; 585 586 if (scd->sc_report_id == 0) 587 return usbd_set_report(scd->sc_parent->sc_iface, type, 588 scd->sc_report_id, data, len); 589 590 buf = malloc(len + 1, M_TEMP, M_WAITOK); 591 buf[0] = scd->sc_report_id; 592 memcpy(buf+1, data, len); 593 594 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 595 scd->sc_report_id, buf, len + 1); 596 597 free(buf, M_TEMP); 598 599 return retstat; 600 } 601 602 void 603 uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 604 { 605 /* XXX */ 606 char buf[100]; 607 if (scd->sc_report_id) { 608 buf[0] = scd->sc_report_id; 609 if ((uint)len > sizeof(buf) - 1) { 610 #ifdef DIAGNOSTIC 611 printf("%s: report length too large (%d)\n", 612 scd->sc_dev.dv_xname, len); 613 #endif 614 return; 615 } 616 memcpy(buf+1, data, len); 617 len++; 618 data = buf; 619 } 620 621 usbd_set_report_async(scd->sc_parent->sc_iface, type, 622 scd->sc_report_id, data, len); 623 } 624 625 usbd_status 626 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 627 { 628 return usbd_get_report(scd->sc_parent->sc_iface, type, 629 scd->sc_report_id, data, len); 630 } 631 632 usbd_status 633 uhidev_write(struct uhidev_softc *sc, void *data, int len) 634 { 635 636 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 637 638 if (sc->sc_opipe == NULL) 639 return USBD_INVAL; 640 641 #ifdef UHIDEV_DEBUG 642 if (uhidevdebug > 50) { 643 644 u_int32_t i; 645 u_int8_t *d = data; 646 647 DPRINTF(("uhidev_write: data =")); 648 for (i = 0; i < len; i++) 649 DPRINTF((" %02x", d[i])); 650 DPRINTF(("\n")); 651 } 652 #endif 653 return usbd_intr_transfer(sc->sc_owxfer, sc->sc_opipe, 0, 654 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 655 } 656 657 int 658 uhidev_ioctl(struct uhidev *sc, u_long cmd, caddr_t addr, int flag, 659 struct proc *p) 660 { 661 struct usb_ctl_report_desc *rd; 662 struct usb_ctl_report *re; 663 int size, extra; 664 usbd_status err; 665 void *desc; 666 667 switch (cmd) { 668 case USB_GET_REPORT_DESC: 669 uhidev_get_report_desc(sc->sc_parent, &desc, &size); 670 rd = (struct usb_ctl_report_desc *)addr; 671 size = min(size, sizeof rd->ucrd_data); 672 rd->ucrd_size = size; 673 memcpy(rd->ucrd_data, desc, size); 674 break; 675 case USB_GET_REPORT: 676 re = (struct usb_ctl_report *)addr; 677 switch (re->ucr_report) { 678 case UHID_INPUT_REPORT: 679 size = sc->sc_isize; 680 break; 681 case UHID_OUTPUT_REPORT: 682 size = sc->sc_osize; 683 break; 684 case UHID_FEATURE_REPORT: 685 size = sc->sc_fsize; 686 break; 687 default: 688 return EINVAL; 689 } 690 extra = sc->sc_report_id != 0; 691 err = uhidev_get_report(sc, re->ucr_report, re->ucr_data, 692 size + extra); 693 if (extra) 694 memcpy(re->ucr_data, re->ucr_data + 1, size); 695 if (err) 696 return EIO; 697 break; 698 case USB_SET_REPORT: 699 re = (struct usb_ctl_report *)addr; 700 switch (re->ucr_report) { 701 case UHID_INPUT_REPORT: 702 size = sc->sc_isize; 703 break; 704 case UHID_OUTPUT_REPORT: 705 size = sc->sc_osize; 706 break; 707 case UHID_FEATURE_REPORT: 708 size = sc->sc_fsize; 709 break; 710 default: 711 return EINVAL; 712 } 713 err = uhidev_set_report(sc, re->ucr_report, re->ucr_data, size); 714 if (err) 715 return EIO; 716 break; 717 case USB_GET_REPORT_ID: 718 *(int *)addr = sc->sc_report_id; 719 break; 720 default: 721 return -1; 722 } 723 return 0; 724 } 725