1 /* $NetBSD: uhidev.c,v 1.61 2014/08/10 16:44:36 tls Exp $ */ 2 3 /* 4 * Copyright (c) 2001, 2012 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 and Matthew R. Green (mrg@eterna.com.au). 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 1.61 2014/08/10 16:44:36 tls 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 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_USB); 133 134 id = usbd_get_interface_descriptor(iface); 135 136 devinfop = usbd_devinfo_alloc(uaa->device, 0); 137 aprint_normal_dev(self, "%s, iclass %d/%d\n", 138 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 139 usbd_devinfo_free(devinfop); 140 141 if (!pmf_device_register(self, NULL, NULL)) 142 aprint_error_dev(self, "couldn't establish power handler\n"); 143 144 (void)usbd_set_idle(iface, 0, 0); 145 #if 0 146 147 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 148 if ((qflags & UQ_NO_SET_PROTO) == 0 && 149 id->bInterfaceSubClass != UISUBCLASS_BOOT) 150 (void)usbd_set_protocol(iface, 1); 151 #endif 152 153 maxinpktsize = 0; 154 sc->sc_iep_addr = sc->sc_oep_addr = -1; 155 for (i = 0; i < id->bNumEndpoints; i++) { 156 ed = usbd_interface2endpoint_descriptor(iface, i); 157 if (ed == NULL) { 158 aprint_error_dev(self, 159 "could not read endpoint descriptor\n"); 160 sc->sc_dying = 1; 161 return; 162 } 163 164 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 165 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 166 " bInterval=%d\n", 167 ed->bLength, ed->bDescriptorType, 168 ed->bEndpointAddress & UE_ADDR, 169 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 170 ed->bmAttributes & UE_XFERTYPE, 171 UGETW(ed->wMaxPacketSize), ed->bInterval)); 172 173 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 174 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 175 maxinpktsize = UGETW(ed->wMaxPacketSize); 176 sc->sc_iep_addr = ed->bEndpointAddress; 177 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 178 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 179 sc->sc_oep_addr = ed->bEndpointAddress; 180 } else { 181 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 182 } 183 } 184 185 /* 186 * Check that we found an input interrupt endpoint. The output interrupt 187 * endpoint is optional 188 */ 189 if (sc->sc_iep_addr == -1) { 190 aprint_error_dev(self, "no input interrupt endpoint\n"); 191 sc->sc_dying = 1; 192 return; 193 } 194 195 /* XXX need to extend this */ 196 descptr = NULL; 197 if (uaa->vendor == USB_VENDOR_WACOM) { 198 static uByte reportbuf[] = {2, 2, 2}; 199 200 /* The report descriptor for the Wacom Graphire is broken. */ 201 switch (uaa->product) { 202 case USB_PRODUCT_WACOM_GRAPHIRE: 203 case USB_PRODUCT_WACOM_GRAPHIRE2: 204 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 205 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 206 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 207 /* 208 * The Graphire3 needs 0x0202 to be written to 209 * feature report ID 2 before it'll start 210 * returning digitizer data. 211 */ 212 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 213 &reportbuf, sizeof reportbuf); 214 215 size = sizeof uhid_graphire3_4x5_report_descr; 216 descptr = uhid_graphire3_4x5_report_descr; 217 break; 218 default: 219 /* Keep descriptor */ 220 break; 221 } 222 } 223 if (USBIF_IS_XINPUT(uaa)) { 224 size = sizeof uhid_xinput_report_descr; 225 descptr = uhid_xinput_report_descr; 226 } 227 228 if (descptr) { 229 desc = malloc(size, M_USBDEV, M_NOWAIT); 230 if (desc == NULL) 231 err = USBD_NOMEM; 232 else { 233 err = USBD_NORMAL_COMPLETION; 234 memcpy(desc, descptr, size); 235 } 236 } else { 237 desc = NULL; 238 err = usbd_read_report_desc(uaa->iface, &desc, &size, 239 M_USBDEV); 240 } 241 if (err) { 242 aprint_error_dev(self, "no report descriptor\n"); 243 sc->sc_dying = 1; 244 return; 245 } 246 247 if (uaa->vendor == USB_VENDOR_HOSIDEN && 248 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 249 static uByte reportbuf[] = { 1 }; 250 /* 251 * This device was sold by Konami with its ParaParaParadise 252 * game for PlayStation2. It needs to be "turned on" 253 * before it will send any reports. 254 */ 255 256 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 257 &reportbuf, sizeof reportbuf); 258 } 259 260 if (uaa->vendor == USB_VENDOR_LOGITECH && 261 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 262 uint8_t *data = desc; 263 /* 264 * This device has a odd USAGE_MINIMUM value that would 265 * cause the multimedia keys to have their usage number 266 * shifted up one usage. Adjust so the usages are sane. 267 */ 268 269 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 270 data[0x58] == 0x2a && data[0x59] == 0x8c) 271 data[0x57] = 0x00; 272 } 273 274 /* 275 * Enable the Six Axis and DualShock 3 controllers. 276 * See http://ps3.jim.sh/sixaxis/usb/ 277 */ 278 if (uaa->vendor == USB_VENDOR_SONY && 279 uaa->product == USB_PRODUCT_SONY_PS3CONTROLLER) { 280 usb_device_request_t req; 281 char data[17]; 282 int actlen; 283 284 req.bmRequestType = UT_READ_CLASS_INTERFACE; 285 req.bRequest = 1; 286 USETW(req.wValue, 0x3f2); 287 USETW(req.wIndex, 0); 288 USETW(req.wLength, sizeof data); 289 290 usbd_do_request_flags(sc->sc_udev, &req, data, 291 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 292 } 293 294 sc->sc_repdesc = desc; 295 sc->sc_repdesc_size = size; 296 297 uha.uaa = uaa; 298 nrepid = uhidev_maxrepid(desc, size); 299 if (nrepid < 0) 300 return; 301 if (nrepid > 0) 302 aprint_normal_dev(self, "%d report ids\n", nrepid); 303 nrepid++; 304 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 305 if (repsizes == NULL) 306 goto nomem; 307 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 308 M_USBDEV, M_NOWAIT | M_ZERO); 309 if (sc->sc_subdevs == NULL) { 310 free(repsizes, M_TEMP); 311 nomem: 312 aprint_error_dev(self, "no memory\n"); 313 return; 314 } 315 316 /* Just request max packet size for the interrupt pipe */ 317 sc->sc_isize = maxinpktsize; 318 sc->sc_nrepid = nrepid; 319 320 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 321 sc->sc_dev); 322 323 for (repid = 0; repid < nrepid; repid++) { 324 repsz = hid_report_size(desc, size, hid_input, repid); 325 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 326 repsizes[repid] = repsz; 327 } 328 329 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 330 331 uha.parent = sc; 332 for (repid = 0; repid < nrepid; repid++) { 333 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 334 if (hid_report_size(desc, size, hid_input, repid) == 0 && 335 hid_report_size(desc, size, hid_output, repid) == 0 && 336 hid_report_size(desc, size, hid_feature, repid) == 0) { 337 ; /* already NULL in sc->sc_subdevs[repid] */ 338 } else { 339 uha.reportid = repid; 340 locs[UHIDBUSCF_REPORTID] = repid; 341 342 dev = config_found_sm_loc(self, 343 "uhidbus", locs, &uha, 344 uhidevprint, config_stdsubmatch); 345 sc->sc_subdevs[repid] = dev; 346 if (dev != NULL) { 347 csc = device_private(dev); 348 csc->sc_in_rep_size = repsizes[repid]; 349 #ifdef DIAGNOSTIC 350 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 351 repid, dev)); 352 if (csc->sc_intr == NULL) { 353 free(repsizes, M_TEMP); 354 aprint_error_dev(self, 355 "sc_intr == NULL\n"); 356 return; 357 } 358 #endif 359 rnd_attach_source(&csc->rnd_source, 360 device_xname(dev), 361 RND_TYPE_TTY, 362 RND_FLAG_DEFAULT); 363 } 364 } 365 } 366 free(repsizes, M_TEMP); 367 368 return; 369 } 370 371 int 372 uhidev_maxrepid(void *buf, int len) 373 { 374 struct hid_data *d; 375 struct hid_item h; 376 int maxid; 377 378 maxid = -1; 379 h.report_ID = 0; 380 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 381 if (h.report_ID > maxid) 382 maxid = h.report_ID; 383 hid_end_parse(d); 384 return (maxid); 385 } 386 387 int 388 uhidevprint(void *aux, const char *pnp) 389 { 390 struct uhidev_attach_arg *uha = aux; 391 392 if (pnp) 393 aprint_normal("uhid at %s", pnp); 394 if (uha->reportid != 0) 395 aprint_normal(" reportid %d", uha->reportid); 396 return (UNCONF); 397 } 398 399 int 400 uhidev_activate(device_t self, enum devact act) 401 { 402 struct uhidev_softc *sc = device_private(self); 403 404 switch (act) { 405 case DVACT_DEACTIVATE: 406 sc->sc_dying = 1; 407 return 0; 408 default: 409 return EOPNOTSUPP; 410 } 411 } 412 413 void 414 uhidev_childdet(device_t self, device_t child) 415 { 416 int i; 417 struct uhidev_softc *sc = device_private(self); 418 419 for (i = 0; i < sc->sc_nrepid; i++) { 420 if (sc->sc_subdevs[i] == child) 421 break; 422 } 423 KASSERT(i < sc->sc_nrepid); 424 sc->sc_subdevs[i] = NULL; 425 } 426 427 int 428 uhidev_detach(device_t self, int flags) 429 { 430 struct uhidev_softc *sc = device_private(self); 431 int i, rv; 432 struct uhidev *csc; 433 434 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 435 436 sc->sc_dying = 1; 437 if (sc->sc_ipipe != NULL) 438 usbd_abort_pipe(sc->sc_ipipe); 439 440 if (sc->sc_repdesc != NULL) 441 free(sc->sc_repdesc, M_USBDEV); 442 443 rv = 0; 444 for (i = 0; i < sc->sc_nrepid; i++) { 445 if (sc->sc_subdevs[i] != NULL) { 446 csc = device_private(sc->sc_subdevs[i]); 447 rnd_detach_source(&csc->rnd_source); 448 rv |= config_detach(sc->sc_subdevs[i], flags); 449 } 450 } 451 452 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 453 sc->sc_dev); 454 455 pmf_device_deregister(self); 456 mutex_destroy(&sc->sc_lock); 457 458 return (rv); 459 } 460 461 void 462 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 463 { 464 struct uhidev_softc *sc = addr; 465 device_t cdev; 466 struct uhidev *scd; 467 u_char *p; 468 u_int rep; 469 u_int32_t cc; 470 471 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 472 473 #ifdef UHIDEV_DEBUG 474 if (uhidevdebug > 5) { 475 u_int32_t i; 476 477 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 478 DPRINTF(("uhidev_intr: data =")); 479 for (i = 0; i < cc; i++) 480 DPRINTF((" %02x", sc->sc_ibuf[i])); 481 DPRINTF(("\n")); 482 } 483 #endif 484 485 if (status == USBD_CANCELLED) 486 return; 487 488 if (status != USBD_NORMAL_COMPLETION) { 489 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 490 status)); 491 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 492 return; 493 } 494 495 p = sc->sc_ibuf; 496 if (sc->sc_nrepid != 1) 497 rep = *p++, cc--; 498 else 499 rep = 0; 500 if (rep >= sc->sc_nrepid) { 501 printf("uhidev_intr: bad repid %d\n", rep); 502 return; 503 } 504 cdev = sc->sc_subdevs[rep]; 505 if (!cdev) 506 return; 507 scd = device_private(cdev); 508 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 509 rep, scd, scd ? scd->sc_state : 0)); 510 if (!(scd->sc_state & UHIDEV_OPEN)) 511 return; 512 #ifdef UHIDEV_DEBUG 513 if (scd->sc_in_rep_size != cc) { 514 DPRINTF(("%s: expected %d bytes, got %d\n", 515 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 516 } 517 #endif 518 if (cc == 0) { 519 DPRINTF(("%s: 0-length input ignored\n", 520 device_xname(sc->sc_dev))); 521 return; 522 } 523 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 524 scd->sc_intr(scd, p, cc); 525 } 526 527 void 528 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 529 { 530 *desc = sc->sc_repdesc; 531 *size = sc->sc_repdesc_size; 532 } 533 534 int 535 uhidev_open(struct uhidev *scd) 536 { 537 struct uhidev_softc *sc = scd->sc_parent; 538 usbd_status err; 539 int error; 540 541 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 542 543 mutex_enter(&sc->sc_lock); 544 if (scd->sc_state & UHIDEV_OPEN) { 545 mutex_exit(&sc->sc_lock); 546 return (EBUSY); 547 } 548 scd->sc_state |= UHIDEV_OPEN; 549 if (sc->sc_refcnt++) { 550 mutex_exit(&sc->sc_lock); 551 return (0); 552 } 553 mutex_exit(&sc->sc_lock); 554 555 if (sc->sc_isize == 0) 556 return (0); 557 558 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 559 560 /* Set up input interrupt pipe. */ 561 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 562 sc->sc_iep_addr)); 563 564 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 565 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 566 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 567 if (err != USBD_NORMAL_COMPLETION) { 568 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 569 "error=%d\n", err)); 570 error = EIO; 571 goto out1; 572 } 573 574 /* 575 * Set up output interrupt pipe if an output interrupt endpoint 576 * exists. 577 */ 578 if (sc->sc_oep_addr != -1) { 579 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 580 581 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 582 0, &sc->sc_opipe); 583 584 if (err != USBD_NORMAL_COMPLETION) { 585 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 586 "error=%d\n", err)); 587 error = EIO; 588 goto out2; 589 } 590 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 591 592 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 593 if (sc->sc_oxfer == NULL) { 594 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 595 error = ENOMEM; 596 goto out3; 597 } 598 } 599 600 return (0); 601 out3: 602 /* Abort output pipe */ 603 usbd_close_pipe(sc->sc_opipe); 604 out2: 605 /* Abort input pipe */ 606 usbd_close_pipe(sc->sc_ipipe); 607 out1: 608 DPRINTF(("uhidev_open: failed in someway")); 609 free(sc->sc_ibuf, M_USBDEV); 610 mutex_enter(&sc->sc_lock); 611 scd->sc_state &= ~UHIDEV_OPEN; 612 sc->sc_refcnt = 0; 613 sc->sc_ibuf = NULL; 614 sc->sc_ipipe = NULL; 615 sc->sc_opipe = NULL; 616 sc->sc_oxfer = NULL; 617 mutex_exit(&sc->sc_lock); 618 return error; 619 } 620 621 void 622 uhidev_close(struct uhidev *scd) 623 { 624 struct uhidev_softc *sc = scd->sc_parent; 625 626 mutex_enter(&sc->sc_lock); 627 if (!(scd->sc_state & UHIDEV_OPEN)) { 628 mutex_exit(&sc->sc_lock); 629 return; 630 } 631 scd->sc_state &= ~UHIDEV_OPEN; 632 if (--sc->sc_refcnt) { 633 mutex_exit(&sc->sc_lock); 634 return; 635 } 636 mutex_exit(&sc->sc_lock); 637 638 DPRINTF(("uhidev_close: close pipe\n")); 639 640 if (sc->sc_oxfer != NULL) { 641 usbd_free_xfer(sc->sc_oxfer); 642 sc->sc_oxfer = NULL; 643 } 644 645 /* Disable interrupts. */ 646 if (sc->sc_opipe != NULL) { 647 usbd_abort_pipe(sc->sc_opipe); 648 usbd_close_pipe(sc->sc_opipe); 649 sc->sc_opipe = NULL; 650 } 651 652 if (sc->sc_ipipe != NULL) { 653 usbd_abort_pipe(sc->sc_ipipe); 654 usbd_close_pipe(sc->sc_ipipe); 655 sc->sc_ipipe = NULL; 656 } 657 658 if (sc->sc_ibuf != NULL) { 659 free(sc->sc_ibuf, M_USBDEV); 660 sc->sc_ibuf = NULL; 661 } 662 } 663 664 usbd_status 665 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 666 { 667 char *buf; 668 usbd_status retstat; 669 670 if (scd->sc_report_id == 0) 671 return usbd_set_report(scd->sc_parent->sc_iface, type, 672 scd->sc_report_id, data, len); 673 674 buf = malloc(len + 1, M_TEMP, M_WAITOK); 675 buf[0] = scd->sc_report_id; 676 memcpy(buf+1, data, len); 677 678 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 679 scd->sc_report_id, buf, len + 1); 680 681 free(buf, M_TEMP); 682 683 return retstat; 684 } 685 686 usbd_status 687 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 688 { 689 return usbd_get_report(scd->sc_parent->sc_iface, type, 690 scd->sc_report_id, data, len); 691 } 692 693 usbd_status 694 uhidev_write(struct uhidev_softc *sc, void *data, int len) 695 { 696 697 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 698 699 if (sc->sc_opipe == NULL) 700 return USBD_INVAL; 701 702 #ifdef UHIDEV_DEBUG 703 if (uhidevdebug > 50) { 704 705 u_int32_t i; 706 u_int8_t *d = data; 707 708 DPRINTF(("uhidev_write: data =")); 709 for (i = 0; i < len; i++) 710 DPRINTF((" %02x", d[i])); 711 DPRINTF(("\n")); 712 } 713 #endif 714 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 715 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 716 } 717