uhidev.c revision 1.63
1 /* $NetBSD: uhidev.c,v 1.63 2015/03/07 20:20:55 mrg 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 (at) augustsson.net) at 9 * Carlstedt Research & Technology and Matthew R. Green (mrg (at) 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 1.63 2015/03/07 20:20:55 mrg 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 /* Report descriptor for Xbox One controllers */ 65 #include <dev/usb/x1input_rdesc.h> 66 67 #include "locators.h" 68 69 #ifdef UHIDEV_DEBUG 70 #define DPRINTF(x) if (uhidevdebug) printf x 71 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 72 int uhidevdebug = 0; 73 #else 74 #define DPRINTF(x) 75 #define DPRINTFN(n,x) 76 #endif 77 78 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 79 80 Static int uhidev_maxrepid(void *, int); 81 Static int uhidevprint(void *, const char *); 82 83 int uhidev_match(device_t, cfdata_t, void *); 84 void uhidev_attach(device_t, device_t, void *); 85 void uhidev_childdet(device_t, device_t); 86 int uhidev_detach(device_t, int); 87 int uhidev_activate(device_t, enum devact); 88 extern struct cfdriver uhidev_cd; 89 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 90 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 91 92 int 93 uhidev_match(device_t parent, cfdata_t match, void *aux) 94 { 95 struct usbif_attach_arg *uaa = aux; 96 97 /* Game controllers in "XInput" mode */ 98 if (USBIF_IS_XINPUT(uaa)) 99 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 100 /* Xbox One controllers */ 101 if (USBIF_IS_X1INPUT(uaa) && uaa->ifaceno == 0) 102 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 103 104 if (uaa->class != UICLASS_HID) 105 return (UMATCH_NONE); 106 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 107 return (UMATCH_NONE); 108 return (UMATCH_IFACECLASS_GENERIC); 109 } 110 111 void 112 uhidev_attach(device_t parent, device_t self, void *aux) 113 { 114 struct uhidev_softc *sc = device_private(self); 115 struct usbif_attach_arg *uaa = aux; 116 usbd_interface_handle iface = uaa->iface; 117 usb_interface_descriptor_t *id; 118 usb_endpoint_descriptor_t *ed; 119 struct uhidev_attach_arg uha; 120 device_t dev; 121 struct uhidev *csc; 122 int maxinpktsize, size, nrepid, repid, repsz; 123 int *repsizes; 124 int i; 125 void *desc; 126 const void *descptr; 127 usbd_status err; 128 char *devinfop; 129 int locs[UHIDBUSCF_NLOCS]; 130 131 sc->sc_dev = self; 132 sc->sc_udev = uaa->device; 133 sc->sc_iface = iface; 134 135 aprint_naive("\n"); 136 aprint_normal("\n"); 137 138 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_USB); 139 140 id = usbd_get_interface_descriptor(iface); 141 142 devinfop = usbd_devinfo_alloc(uaa->device, 0); 143 aprint_normal_dev(self, "%s, iclass %d/%d\n", 144 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 145 usbd_devinfo_free(devinfop); 146 147 if (!pmf_device_register(self, NULL, NULL)) 148 aprint_error_dev(self, "couldn't establish power handler\n"); 149 150 (void)usbd_set_idle(iface, 0, 0); 151 #if 0 152 153 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 154 if ((qflags & UQ_NO_SET_PROTO) == 0 && 155 id->bInterfaceSubClass != UISUBCLASS_BOOT) 156 (void)usbd_set_protocol(iface, 1); 157 #endif 158 159 maxinpktsize = 0; 160 sc->sc_iep_addr = sc->sc_oep_addr = -1; 161 for (i = 0; i < id->bNumEndpoints; i++) { 162 ed = usbd_interface2endpoint_descriptor(iface, i); 163 if (ed == NULL) { 164 aprint_error_dev(self, 165 "could not read endpoint descriptor\n"); 166 sc->sc_dying = 1; 167 return; 168 } 169 170 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 171 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 172 " bInterval=%d\n", 173 ed->bLength, ed->bDescriptorType, 174 ed->bEndpointAddress & UE_ADDR, 175 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 176 ed->bmAttributes & UE_XFERTYPE, 177 UGETW(ed->wMaxPacketSize), ed->bInterval)); 178 179 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 180 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 181 maxinpktsize = UGETW(ed->wMaxPacketSize); 182 sc->sc_iep_addr = ed->bEndpointAddress; 183 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 184 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 185 sc->sc_oep_addr = ed->bEndpointAddress; 186 } else { 187 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 188 } 189 } 190 191 /* 192 * Check that we found an input interrupt endpoint. The output interrupt 193 * endpoint is optional 194 */ 195 if (sc->sc_iep_addr == -1) { 196 aprint_error_dev(self, "no input interrupt endpoint\n"); 197 sc->sc_dying = 1; 198 return; 199 } 200 201 /* XXX need to extend this */ 202 descptr = NULL; 203 if (uaa->vendor == USB_VENDOR_WACOM) { 204 static uByte reportbuf[] = {2, 2, 2}; 205 206 /* The report descriptor for the Wacom Graphire is broken. */ 207 switch (uaa->product) { 208 case USB_PRODUCT_WACOM_GRAPHIRE: 209 case USB_PRODUCT_WACOM_GRAPHIRE2: 210 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 211 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 212 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 213 /* 214 * The Graphire3 needs 0x0202 to be written to 215 * feature report ID 2 before it'll start 216 * returning digitizer data. 217 */ 218 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 219 &reportbuf, sizeof reportbuf); 220 221 size = sizeof uhid_graphire3_4x5_report_descr; 222 descptr = uhid_graphire3_4x5_report_descr; 223 break; 224 default: 225 /* Keep descriptor */ 226 break; 227 } 228 } 229 if (USBIF_IS_XINPUT(uaa)) { 230 size = sizeof uhid_xinput_report_descr; 231 descptr = uhid_xinput_report_descr; 232 } 233 if (USBIF_IS_X1INPUT(uaa)) { 234 sc->sc_flags |= UHIDEV_F_XB1; 235 size = sizeof uhid_x1input_report_descr; 236 descptr = uhid_x1input_report_descr; 237 } 238 239 if (descptr) { 240 desc = malloc(size, M_USBDEV, M_NOWAIT); 241 if (desc == NULL) 242 err = USBD_NOMEM; 243 else { 244 err = USBD_NORMAL_COMPLETION; 245 memcpy(desc, descptr, size); 246 } 247 } else { 248 desc = NULL; 249 err = usbd_read_report_desc(uaa->iface, &desc, &size, 250 M_USBDEV); 251 } 252 if (err) { 253 aprint_error_dev(self, "no report descriptor\n"); 254 sc->sc_dying = 1; 255 return; 256 } 257 258 if (uaa->vendor == USB_VENDOR_HOSIDEN && 259 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 260 static uByte reportbuf[] = { 1 }; 261 /* 262 * This device was sold by Konami with its ParaParaParadise 263 * game for PlayStation2. It needs to be "turned on" 264 * before it will send any reports. 265 */ 266 267 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 268 &reportbuf, sizeof reportbuf); 269 } 270 271 if (uaa->vendor == USB_VENDOR_LOGITECH && 272 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 273 uint8_t *data = desc; 274 /* 275 * This device has a odd USAGE_MINIMUM value that would 276 * cause the multimedia keys to have their usage number 277 * shifted up one usage. Adjust so the usages are sane. 278 */ 279 280 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 281 data[0x58] == 0x2a && data[0x59] == 0x8c) 282 data[0x57] = 0x00; 283 } 284 285 /* 286 * Enable the Six Axis and DualShock 3 controllers. 287 * See http://ps3.jim.sh/sixaxis/usb/ 288 */ 289 if (uaa->vendor == USB_VENDOR_SONY && 290 uaa->product == USB_PRODUCT_SONY_PS3CONTROLLER) { 291 usb_device_request_t req; 292 char data[17]; 293 int actlen; 294 295 req.bmRequestType = UT_READ_CLASS_INTERFACE; 296 req.bRequest = 1; 297 USETW(req.wValue, 0x3f2); 298 USETW(req.wIndex, 0); 299 USETW(req.wLength, sizeof data); 300 301 usbd_do_request_flags(sc->sc_udev, &req, data, 302 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 303 } 304 305 sc->sc_repdesc = desc; 306 sc->sc_repdesc_size = size; 307 308 uha.uaa = uaa; 309 nrepid = uhidev_maxrepid(desc, size); 310 if (nrepid < 0) 311 return; 312 if (nrepid > 0) 313 aprint_normal_dev(self, "%d report ids\n", nrepid); 314 nrepid++; 315 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 316 if (repsizes == NULL) 317 goto nomem; 318 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 319 M_USBDEV, M_NOWAIT | M_ZERO); 320 if (sc->sc_subdevs == NULL) { 321 free(repsizes, M_TEMP); 322 nomem: 323 aprint_error_dev(self, "no memory\n"); 324 return; 325 } 326 327 /* Just request max packet size for the interrupt pipe */ 328 sc->sc_isize = maxinpktsize; 329 sc->sc_nrepid = nrepid; 330 331 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 332 sc->sc_dev); 333 334 for (repid = 0; repid < nrepid; repid++) { 335 repsz = hid_report_size(desc, size, hid_input, repid); 336 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 337 repsizes[repid] = repsz; 338 } 339 340 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 341 342 uha.parent = sc; 343 for (repid = 0; repid < nrepid; repid++) { 344 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 345 if (hid_report_size(desc, size, hid_input, repid) == 0 && 346 hid_report_size(desc, size, hid_output, repid) == 0 && 347 hid_report_size(desc, size, hid_feature, repid) == 0) { 348 ; /* already NULL in sc->sc_subdevs[repid] */ 349 } else { 350 uha.reportid = repid; 351 locs[UHIDBUSCF_REPORTID] = repid; 352 353 dev = config_found_sm_loc(self, 354 "uhidbus", locs, &uha, 355 uhidevprint, config_stdsubmatch); 356 sc->sc_subdevs[repid] = dev; 357 if (dev != NULL) { 358 csc = device_private(dev); 359 csc->sc_in_rep_size = repsizes[repid]; 360 #ifdef DIAGNOSTIC 361 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 362 repid, dev)); 363 if (csc->sc_intr == NULL) { 364 free(repsizes, M_TEMP); 365 aprint_error_dev(self, 366 "sc_intr == NULL\n"); 367 return; 368 } 369 #endif 370 rnd_attach_source(&csc->rnd_source, 371 device_xname(dev), 372 RND_TYPE_TTY, 373 RND_FLAG_DEFAULT); 374 } 375 } 376 } 377 free(repsizes, M_TEMP); 378 379 return; 380 } 381 382 int 383 uhidev_maxrepid(void *buf, int len) 384 { 385 struct hid_data *d; 386 struct hid_item h; 387 int maxid; 388 389 maxid = -1; 390 h.report_ID = 0; 391 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 392 if (h.report_ID > maxid) 393 maxid = h.report_ID; 394 hid_end_parse(d); 395 return (maxid); 396 } 397 398 int 399 uhidevprint(void *aux, const char *pnp) 400 { 401 struct uhidev_attach_arg *uha = aux; 402 403 if (pnp) 404 aprint_normal("uhid at %s", pnp); 405 if (uha->reportid != 0) 406 aprint_normal(" reportid %d", uha->reportid); 407 return (UNCONF); 408 } 409 410 int 411 uhidev_activate(device_t self, enum devact act) 412 { 413 struct uhidev_softc *sc = device_private(self); 414 415 switch (act) { 416 case DVACT_DEACTIVATE: 417 sc->sc_dying = 1; 418 return 0; 419 default: 420 return EOPNOTSUPP; 421 } 422 } 423 424 void 425 uhidev_childdet(device_t self, device_t child) 426 { 427 int i; 428 struct uhidev_softc *sc = device_private(self); 429 430 for (i = 0; i < sc->sc_nrepid; i++) { 431 if (sc->sc_subdevs[i] == child) 432 break; 433 } 434 KASSERT(i < sc->sc_nrepid); 435 sc->sc_subdevs[i] = NULL; 436 } 437 438 int 439 uhidev_detach(device_t self, int flags) 440 { 441 struct uhidev_softc *sc = device_private(self); 442 int i, rv; 443 struct uhidev *csc; 444 445 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 446 447 sc->sc_dying = 1; 448 if (sc->sc_ipipe != NULL) 449 usbd_abort_pipe(sc->sc_ipipe); 450 451 if (sc->sc_repdesc != NULL) 452 free(sc->sc_repdesc, M_USBDEV); 453 454 rv = 0; 455 for (i = 0; i < sc->sc_nrepid; i++) { 456 if (sc->sc_subdevs[i] != NULL) { 457 csc = device_private(sc->sc_subdevs[i]); 458 rnd_detach_source(&csc->rnd_source); 459 rv |= config_detach(sc->sc_subdevs[i], flags); 460 } 461 } 462 463 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 464 sc->sc_dev); 465 466 pmf_device_deregister(self); 467 mutex_destroy(&sc->sc_lock); 468 469 return (rv); 470 } 471 472 void 473 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 474 { 475 struct uhidev_softc *sc = addr; 476 device_t cdev; 477 struct uhidev *scd; 478 u_char *p; 479 u_int rep; 480 u_int32_t cc; 481 482 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 483 484 #ifdef UHIDEV_DEBUG 485 if (uhidevdebug > 5) { 486 u_int32_t i; 487 488 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 489 DPRINTF(("uhidev_intr: data =")); 490 for (i = 0; i < cc; i++) 491 DPRINTF((" %02x", sc->sc_ibuf[i])); 492 DPRINTF(("\n")); 493 } 494 #endif 495 496 if (status == USBD_CANCELLED) 497 return; 498 499 if (status != USBD_NORMAL_COMPLETION) { 500 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 501 status)); 502 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 503 return; 504 } 505 506 p = sc->sc_ibuf; 507 if (sc->sc_nrepid != 1) 508 rep = *p++, cc--; 509 else 510 rep = 0; 511 if (rep >= sc->sc_nrepid) { 512 printf("uhidev_intr: bad repid %d\n", rep); 513 return; 514 } 515 cdev = sc->sc_subdevs[rep]; 516 if (!cdev) 517 return; 518 scd = device_private(cdev); 519 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 520 rep, scd, scd ? scd->sc_state : 0)); 521 if (!(scd->sc_state & UHIDEV_OPEN)) 522 return; 523 #ifdef UHIDEV_DEBUG 524 if (scd->sc_in_rep_size != cc) { 525 DPRINTF(("%s: expected %d bytes, got %d\n", 526 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 527 } 528 #endif 529 if (cc == 0) { 530 DPRINTF(("%s: 0-length input ignored\n", 531 device_xname(sc->sc_dev))); 532 return; 533 } 534 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 535 scd->sc_intr(scd, p, cc); 536 } 537 538 void 539 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 540 { 541 *desc = sc->sc_repdesc; 542 *size = sc->sc_repdesc_size; 543 } 544 545 int 546 uhidev_open(struct uhidev *scd) 547 { 548 struct uhidev_softc *sc = scd->sc_parent; 549 usbd_status err; 550 int error; 551 552 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 553 554 mutex_enter(&sc->sc_lock); 555 if (scd->sc_state & UHIDEV_OPEN) { 556 mutex_exit(&sc->sc_lock); 557 return (EBUSY); 558 } 559 scd->sc_state |= UHIDEV_OPEN; 560 if (sc->sc_refcnt++) { 561 mutex_exit(&sc->sc_lock); 562 return (0); 563 } 564 mutex_exit(&sc->sc_lock); 565 566 if (sc->sc_isize == 0) 567 return (0); 568 569 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 570 571 /* Set up input interrupt pipe. */ 572 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 573 sc->sc_iep_addr)); 574 575 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 576 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 577 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 578 if (err != USBD_NORMAL_COMPLETION) { 579 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 580 "error=%d\n", err)); 581 error = EIO; 582 goto out1; 583 } 584 585 /* 586 * Set up output interrupt pipe if an output interrupt endpoint 587 * exists. 588 */ 589 if (sc->sc_oep_addr != -1) { 590 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 591 592 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 593 0, &sc->sc_opipe); 594 595 if (err != USBD_NORMAL_COMPLETION) { 596 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 597 "error=%d\n", err)); 598 error = EIO; 599 goto out2; 600 } 601 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 602 603 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 604 if (sc->sc_oxfer == NULL) { 605 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 606 error = ENOMEM; 607 goto out3; 608 } 609 610 if (sc->sc_flags & UHIDEV_F_XB1) { 611 uint8_t init_data[] = { 0x05, 0x20 }; 612 int init_data_len = sizeof(init_data); 613 err = usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 614 USBD_NO_TIMEOUT, init_data, &init_data_len, 615 "uhidevxb1"); 616 if (err != USBD_NORMAL_COMPLETION) { 617 DPRINTF(("uhidev_open: xb1 init failed, " 618 "error=%d\n", err)); 619 error = EIO; 620 goto out4; 621 } 622 } 623 } 624 625 return (0); 626 out4: 627 /* Free output xfer */ 628 if (sc->sc_oxfer != NULL) 629 usbd_free_xfer(sc->sc_oxfer); 630 out3: 631 /* Abort output pipe */ 632 usbd_close_pipe(sc->sc_opipe); 633 out2: 634 /* Abort input pipe */ 635 usbd_close_pipe(sc->sc_ipipe); 636 out1: 637 DPRINTF(("uhidev_open: failed in someway")); 638 free(sc->sc_ibuf, M_USBDEV); 639 mutex_enter(&sc->sc_lock); 640 scd->sc_state &= ~UHIDEV_OPEN; 641 sc->sc_refcnt = 0; 642 sc->sc_ibuf = NULL; 643 sc->sc_ipipe = NULL; 644 sc->sc_opipe = NULL; 645 sc->sc_oxfer = NULL; 646 mutex_exit(&sc->sc_lock); 647 return error; 648 } 649 650 void 651 uhidev_stop(struct uhidev *scd) 652 { 653 struct uhidev_softc *sc = scd->sc_parent; 654 655 /* Disable interrupts. */ 656 if (sc->sc_opipe != NULL) { 657 usbd_abort_pipe(sc->sc_opipe); 658 usbd_close_pipe(sc->sc_opipe); 659 sc->sc_opipe = NULL; 660 } 661 662 if (sc->sc_ipipe != NULL) { 663 usbd_abort_pipe(sc->sc_ipipe); 664 usbd_close_pipe(sc->sc_ipipe); 665 sc->sc_ipipe = NULL; 666 } 667 668 if (sc->sc_ibuf != NULL) { 669 free(sc->sc_ibuf, M_USBDEV); 670 sc->sc_ibuf = NULL; 671 } 672 } 673 674 void 675 uhidev_close(struct uhidev *scd) 676 { 677 struct uhidev_softc *sc = scd->sc_parent; 678 679 mutex_enter(&sc->sc_lock); 680 if (!(scd->sc_state & UHIDEV_OPEN)) { 681 mutex_exit(&sc->sc_lock); 682 return; 683 } 684 scd->sc_state &= ~UHIDEV_OPEN; 685 if (--sc->sc_refcnt) { 686 mutex_exit(&sc->sc_lock); 687 return; 688 } 689 mutex_exit(&sc->sc_lock); 690 691 DPRINTF(("uhidev_close: close pipe\n")); 692 693 if (sc->sc_oxfer != NULL) { 694 usbd_free_xfer(sc->sc_oxfer); 695 sc->sc_oxfer = NULL; 696 } 697 698 /* Possibly redundant, but properly handled */ 699 uhidev_stop(scd); 700 } 701 702 usbd_status 703 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 704 { 705 char *buf; 706 usbd_status retstat; 707 708 if (scd->sc_report_id == 0) 709 return usbd_set_report(scd->sc_parent->sc_iface, type, 710 scd->sc_report_id, data, len); 711 712 buf = malloc(len + 1, M_TEMP, M_WAITOK); 713 buf[0] = scd->sc_report_id; 714 memcpy(buf+1, data, len); 715 716 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 717 scd->sc_report_id, buf, len + 1); 718 719 free(buf, M_TEMP); 720 721 return retstat; 722 } 723 724 usbd_status 725 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 726 { 727 return usbd_get_report(scd->sc_parent->sc_iface, type, 728 scd->sc_report_id, data, len); 729 } 730 731 usbd_status 732 uhidev_write(struct uhidev_softc *sc, void *data, int len) 733 { 734 735 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 736 737 if (sc->sc_opipe == NULL) 738 return USBD_INVAL; 739 740 #ifdef UHIDEV_DEBUG 741 if (uhidevdebug > 50) { 742 743 u_int32_t i; 744 u_int8_t *d = data; 745 746 DPRINTF(("uhidev_write: data =")); 747 for (i = 0; i < len; i++) 748 DPRINTF((" %02x", d[i])); 749 DPRINTF(("\n")); 750 } 751 #endif 752 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 753 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 754 } 755
Indexes created Sun Sep 21 16:09:51 GMT 2025