uhidev.c revision 1.64
1 /* $NetBSD: uhidev.c,v 1.64 2015/04/13 16:33:25 riastradh 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 1.64 2015/04/13 16:33:25 riastradh 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 #include <sys/rndsource.h> 49 50 #include <dev/usb/usb.h> 51 #include <dev/usb/usbhid.h> 52 53 #include <dev/usb/usbdevs.h> 54 #include <dev/usb/usbdi.h> 55 #include <dev/usb/usbdi_util.h> 56 #include <dev/usb/hid.h> 57 #include <dev/usb/usb_quirks.h> 58 59 #include <dev/usb/uhidev.h> 60 61 /* Report descriptor for broken Wacom Graphire */ 62 #include <dev/usb/ugraphire_rdesc.h> 63 /* Report descriptor for game controllers in "XInput" mode */ 64 #include <dev/usb/xinput_rdesc.h> 65 /* Report descriptor for Xbox One controllers */ 66 #include <dev/usb/x1input_rdesc.h> 67 68 #include "locators.h" 69 70 #ifdef UHIDEV_DEBUG 71 #define DPRINTF(x) if (uhidevdebug) printf x 72 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 73 int uhidevdebug = 0; 74 #else 75 #define DPRINTF(x) 76 #define DPRINTFN(n,x) 77 #endif 78 79 Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 80 81 Static int uhidev_maxrepid(void *, int); 82 Static int uhidevprint(void *, const char *); 83 84 int uhidev_match(device_t, cfdata_t, void *); 85 void uhidev_attach(device_t, device_t, void *); 86 void uhidev_childdet(device_t, device_t); 87 int uhidev_detach(device_t, int); 88 int uhidev_activate(device_t, enum devact); 89 extern struct cfdriver uhidev_cd; 90 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 91 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 92 93 int 94 uhidev_match(device_t parent, cfdata_t match, void *aux) 95 { 96 struct usbif_attach_arg *uaa = aux; 97 98 /* Game controllers in "XInput" mode */ 99 if (USBIF_IS_XINPUT(uaa)) 100 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 101 /* Xbox One controllers */ 102 if (USBIF_IS_X1INPUT(uaa) && uaa->ifaceno == 0) 103 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 104 105 if (uaa->class != UICLASS_HID) 106 return (UMATCH_NONE); 107 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 108 return (UMATCH_NONE); 109 return (UMATCH_IFACECLASS_GENERIC); 110 } 111 112 void 113 uhidev_attach(device_t parent, device_t self, void *aux) 114 { 115 struct uhidev_softc *sc = device_private(self); 116 struct usbif_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 device_t dev; 122 struct uhidev *csc; 123 int maxinpktsize, size, nrepid, repid, repsz; 124 int *repsizes; 125 int i; 126 void *desc; 127 const void *descptr; 128 usbd_status err; 129 char *devinfop; 130 int locs[UHIDBUSCF_NLOCS]; 131 132 sc->sc_dev = self; 133 sc->sc_udev = uaa->device; 134 sc->sc_iface = iface; 135 136 aprint_naive("\n"); 137 aprint_normal("\n"); 138 139 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_USB); 140 141 id = usbd_get_interface_descriptor(iface); 142 143 devinfop = usbd_devinfo_alloc(uaa->device, 0); 144 aprint_normal_dev(self, "%s, iclass %d/%d\n", 145 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 146 usbd_devinfo_free(devinfop); 147 148 if (!pmf_device_register(self, NULL, NULL)) 149 aprint_error_dev(self, "couldn't establish power handler\n"); 150 151 (void)usbd_set_idle(iface, 0, 0); 152 #if 0 153 154 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 155 if ((qflags & UQ_NO_SET_PROTO) == 0 && 156 id->bInterfaceSubClass != UISUBCLASS_BOOT) 157 (void)usbd_set_protocol(iface, 1); 158 #endif 159 160 maxinpktsize = 0; 161 sc->sc_iep_addr = sc->sc_oep_addr = -1; 162 for (i = 0; i < id->bNumEndpoints; i++) { 163 ed = usbd_interface2endpoint_descriptor(iface, i); 164 if (ed == NULL) { 165 aprint_error_dev(self, 166 "could not read endpoint descriptor\n"); 167 sc->sc_dying = 1; 168 return; 169 } 170 171 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 172 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 173 " bInterval=%d\n", 174 ed->bLength, ed->bDescriptorType, 175 ed->bEndpointAddress & UE_ADDR, 176 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 177 ed->bmAttributes & UE_XFERTYPE, 178 UGETW(ed->wMaxPacketSize), ed->bInterval)); 179 180 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 181 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 182 maxinpktsize = UGETW(ed->wMaxPacketSize); 183 sc->sc_iep_addr = ed->bEndpointAddress; 184 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 185 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 186 sc->sc_oep_addr = ed->bEndpointAddress; 187 } else { 188 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 189 } 190 } 191 192 /* 193 * Check that we found an input interrupt endpoint. The output interrupt 194 * endpoint is optional 195 */ 196 if (sc->sc_iep_addr == -1) { 197 aprint_error_dev(self, "no input interrupt endpoint\n"); 198 sc->sc_dying = 1; 199 return; 200 } 201 202 /* XXX need to extend this */ 203 descptr = NULL; 204 if (uaa->vendor == USB_VENDOR_WACOM) { 205 static uByte reportbuf[] = {2, 2, 2}; 206 207 /* The report descriptor for the Wacom Graphire is broken. */ 208 switch (uaa->product) { 209 case USB_PRODUCT_WACOM_GRAPHIRE: 210 case USB_PRODUCT_WACOM_GRAPHIRE2: 211 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 212 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 213 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 214 /* 215 * The Graphire3 needs 0x0202 to be written to 216 * feature report ID 2 before it'll start 217 * returning digitizer data. 218 */ 219 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 220 &reportbuf, sizeof reportbuf); 221 222 size = sizeof uhid_graphire3_4x5_report_descr; 223 descptr = uhid_graphire3_4x5_report_descr; 224 break; 225 default: 226 /* Keep descriptor */ 227 break; 228 } 229 } 230 if (USBIF_IS_XINPUT(uaa)) { 231 size = sizeof uhid_xinput_report_descr; 232 descptr = uhid_xinput_report_descr; 233 } 234 if (USBIF_IS_X1INPUT(uaa)) { 235 sc->sc_flags |= UHIDEV_F_XB1; 236 size = sizeof uhid_x1input_report_descr; 237 descptr = uhid_x1input_report_descr; 238 } 239 240 if (descptr) { 241 desc = malloc(size, M_USBDEV, M_NOWAIT); 242 if (desc == NULL) 243 err = USBD_NOMEM; 244 else { 245 err = USBD_NORMAL_COMPLETION; 246 memcpy(desc, descptr, size); 247 } 248 } else { 249 desc = NULL; 250 err = usbd_read_report_desc(uaa->iface, &desc, &size, 251 M_USBDEV); 252 } 253 if (err) { 254 aprint_error_dev(self, "no report descriptor\n"); 255 sc->sc_dying = 1; 256 return; 257 } 258 259 if (uaa->vendor == USB_VENDOR_HOSIDEN && 260 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 261 static uByte reportbuf[] = { 1 }; 262 /* 263 * This device was sold by Konami with its ParaParaParadise 264 * game for PlayStation2. It needs to be "turned on" 265 * before it will send any reports. 266 */ 267 268 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 269 &reportbuf, sizeof reportbuf); 270 } 271 272 if (uaa->vendor == USB_VENDOR_LOGITECH && 273 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 274 uint8_t *data = desc; 275 /* 276 * This device has a odd USAGE_MINIMUM value that would 277 * cause the multimedia keys to have their usage number 278 * shifted up one usage. Adjust so the usages are sane. 279 */ 280 281 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 282 data[0x58] == 0x2a && data[0x59] == 0x8c) 283 data[0x57] = 0x00; 284 } 285 286 /* 287 * Enable the Six Axis and DualShock 3 controllers. 288 * See http://ps3.jim.sh/sixaxis/usb/ 289 */ 290 if (uaa->vendor == USB_VENDOR_SONY && 291 uaa->product == USB_PRODUCT_SONY_PS3CONTROLLER) { 292 usb_device_request_t req; 293 char data[17]; 294 int actlen; 295 296 req.bmRequestType = UT_READ_CLASS_INTERFACE; 297 req.bRequest = 1; 298 USETW(req.wValue, 0x3f2); 299 USETW(req.wIndex, 0); 300 USETW(req.wLength, sizeof data); 301 302 usbd_do_request_flags(sc->sc_udev, &req, data, 303 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 304 } 305 306 sc->sc_repdesc = desc; 307 sc->sc_repdesc_size = size; 308 309 uha.uaa = uaa; 310 nrepid = uhidev_maxrepid(desc, size); 311 if (nrepid < 0) 312 return; 313 if (nrepid > 0) 314 aprint_normal_dev(self, "%d report ids\n", nrepid); 315 nrepid++; 316 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 317 if (repsizes == NULL) 318 goto nomem; 319 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 320 M_USBDEV, M_NOWAIT | M_ZERO); 321 if (sc->sc_subdevs == NULL) { 322 free(repsizes, M_TEMP); 323 nomem: 324 aprint_error_dev(self, "no memory\n"); 325 return; 326 } 327 328 /* Just request max packet size for the interrupt pipe */ 329 sc->sc_isize = maxinpktsize; 330 sc->sc_nrepid = nrepid; 331 332 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 333 sc->sc_dev); 334 335 for (repid = 0; repid < nrepid; repid++) { 336 repsz = hid_report_size(desc, size, hid_input, repid); 337 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 338 repsizes[repid] = repsz; 339 } 340 341 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 342 343 uha.parent = sc; 344 for (repid = 0; repid < nrepid; repid++) { 345 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 346 if (hid_report_size(desc, size, hid_input, repid) == 0 && 347 hid_report_size(desc, size, hid_output, repid) == 0 && 348 hid_report_size(desc, size, hid_feature, repid) == 0) { 349 ; /* already NULL in sc->sc_subdevs[repid] */ 350 } else { 351 uha.reportid = repid; 352 locs[UHIDBUSCF_REPORTID] = repid; 353 354 dev = config_found_sm_loc(self, 355 "uhidbus", locs, &uha, 356 uhidevprint, config_stdsubmatch); 357 sc->sc_subdevs[repid] = dev; 358 if (dev != NULL) { 359 csc = device_private(dev); 360 csc->sc_in_rep_size = repsizes[repid]; 361 #ifdef DIAGNOSTIC 362 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 363 repid, dev)); 364 if (csc->sc_intr == NULL) { 365 free(repsizes, M_TEMP); 366 aprint_error_dev(self, 367 "sc_intr == NULL\n"); 368 return; 369 } 370 #endif 371 rnd_attach_source(&csc->rnd_source, 372 device_xname(dev), 373 RND_TYPE_TTY, 374 RND_FLAG_DEFAULT); 375 } 376 } 377 } 378 free(repsizes, M_TEMP); 379 380 return; 381 } 382 383 int 384 uhidev_maxrepid(void *buf, int len) 385 { 386 struct hid_data *d; 387 struct hid_item h; 388 int maxid; 389 390 maxid = -1; 391 h.report_ID = 0; 392 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 393 if (h.report_ID > maxid) 394 maxid = h.report_ID; 395 hid_end_parse(d); 396 return (maxid); 397 } 398 399 int 400 uhidevprint(void *aux, const char *pnp) 401 { 402 struct uhidev_attach_arg *uha = aux; 403 404 if (pnp) 405 aprint_normal("uhid at %s", pnp); 406 if (uha->reportid != 0) 407 aprint_normal(" reportid %d", uha->reportid); 408 return (UNCONF); 409 } 410 411 int 412 uhidev_activate(device_t self, enum devact act) 413 { 414 struct uhidev_softc *sc = device_private(self); 415 416 switch (act) { 417 case DVACT_DEACTIVATE: 418 sc->sc_dying = 1; 419 return 0; 420 default: 421 return EOPNOTSUPP; 422 } 423 } 424 425 void 426 uhidev_childdet(device_t self, device_t child) 427 { 428 int i; 429 struct uhidev_softc *sc = device_private(self); 430 431 for (i = 0; i < sc->sc_nrepid; i++) { 432 if (sc->sc_subdevs[i] == child) 433 break; 434 } 435 KASSERT(i < sc->sc_nrepid); 436 sc->sc_subdevs[i] = NULL; 437 } 438 439 int 440 uhidev_detach(device_t self, int flags) 441 { 442 struct uhidev_softc *sc = device_private(self); 443 int i, rv; 444 struct uhidev *csc; 445 446 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 447 448 sc->sc_dying = 1; 449 if (sc->sc_ipipe != NULL) 450 usbd_abort_pipe(sc->sc_ipipe); 451 452 if (sc->sc_repdesc != NULL) 453 free(sc->sc_repdesc, M_USBDEV); 454 455 rv = 0; 456 for (i = 0; i < sc->sc_nrepid; i++) { 457 if (sc->sc_subdevs[i] != NULL) { 458 csc = device_private(sc->sc_subdevs[i]); 459 rnd_detach_source(&csc->rnd_source); 460 rv |= config_detach(sc->sc_subdevs[i], flags); 461 } 462 } 463 464 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 465 sc->sc_dev); 466 467 pmf_device_deregister(self); 468 mutex_destroy(&sc->sc_lock); 469 470 return (rv); 471 } 472 473 void 474 uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 475 { 476 struct uhidev_softc *sc = addr; 477 device_t cdev; 478 struct uhidev *scd; 479 u_char *p; 480 u_int rep; 481 u_int32_t cc; 482 483 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 484 485 #ifdef UHIDEV_DEBUG 486 if (uhidevdebug > 5) { 487 u_int32_t i; 488 489 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 490 DPRINTF(("uhidev_intr: data =")); 491 for (i = 0; i < cc; i++) 492 DPRINTF((" %02x", sc->sc_ibuf[i])); 493 DPRINTF(("\n")); 494 } 495 #endif 496 497 if (status == USBD_CANCELLED) 498 return; 499 500 if (status != USBD_NORMAL_COMPLETION) { 501 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 502 status)); 503 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 504 return; 505 } 506 507 p = sc->sc_ibuf; 508 if (sc->sc_nrepid != 1) 509 rep = *p++, cc--; 510 else 511 rep = 0; 512 if (rep >= sc->sc_nrepid) { 513 printf("uhidev_intr: bad repid %d\n", rep); 514 return; 515 } 516 cdev = sc->sc_subdevs[rep]; 517 if (!cdev) 518 return; 519 scd = device_private(cdev); 520 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 521 rep, scd, scd ? scd->sc_state : 0)); 522 if (!(scd->sc_state & UHIDEV_OPEN)) 523 return; 524 #ifdef UHIDEV_DEBUG 525 if (scd->sc_in_rep_size != cc) { 526 DPRINTF(("%s: expected %d bytes, got %d\n", 527 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 528 } 529 #endif 530 if (cc == 0) { 531 DPRINTF(("%s: 0-length input ignored\n", 532 device_xname(sc->sc_dev))); 533 return; 534 } 535 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 536 scd->sc_intr(scd, p, cc); 537 } 538 539 void 540 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 541 { 542 *desc = sc->sc_repdesc; 543 *size = sc->sc_repdesc_size; 544 } 545 546 int 547 uhidev_open(struct uhidev *scd) 548 { 549 struct uhidev_softc *sc = scd->sc_parent; 550 usbd_status err; 551 int error; 552 553 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 554 555 mutex_enter(&sc->sc_lock); 556 if (scd->sc_state & UHIDEV_OPEN) { 557 mutex_exit(&sc->sc_lock); 558 return (EBUSY); 559 } 560 scd->sc_state |= UHIDEV_OPEN; 561 if (sc->sc_refcnt++) { 562 mutex_exit(&sc->sc_lock); 563 return (0); 564 } 565 mutex_exit(&sc->sc_lock); 566 567 if (sc->sc_isize == 0) 568 return (0); 569 570 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 571 572 /* Set up input interrupt pipe. */ 573 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 574 sc->sc_iep_addr)); 575 576 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 577 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 578 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 579 if (err != USBD_NORMAL_COMPLETION) { 580 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 581 "error=%d\n", err)); 582 error = EIO; 583 goto out1; 584 } 585 586 /* 587 * Set up output interrupt pipe if an output interrupt endpoint 588 * exists. 589 */ 590 if (sc->sc_oep_addr != -1) { 591 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 592 593 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 594 0, &sc->sc_opipe); 595 596 if (err != USBD_NORMAL_COMPLETION) { 597 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 598 "error=%d\n", err)); 599 error = EIO; 600 goto out2; 601 } 602 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 603 604 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 605 if (sc->sc_oxfer == NULL) { 606 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 607 error = ENOMEM; 608 goto out3; 609 } 610 611 if (sc->sc_flags & UHIDEV_F_XB1) { 612 uint8_t init_data[] = { 0x05, 0x20 }; 613 int init_data_len = sizeof(init_data); 614 err = usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 615 USBD_NO_TIMEOUT, init_data, &init_data_len, 616 "uhidevxb1"); 617 if (err != USBD_NORMAL_COMPLETION) { 618 DPRINTF(("uhidev_open: xb1 init failed, " 619 "error=%d\n", err)); 620 error = EIO; 621 goto out4; 622 } 623 } 624 } 625 626 return (0); 627 out4: 628 /* Free output xfer */ 629 if (sc->sc_oxfer != NULL) 630 usbd_free_xfer(sc->sc_oxfer); 631 out3: 632 /* Abort output pipe */ 633 usbd_close_pipe(sc->sc_opipe); 634 out2: 635 /* Abort input pipe */ 636 usbd_close_pipe(sc->sc_ipipe); 637 out1: 638 DPRINTF(("uhidev_open: failed in someway")); 639 free(sc->sc_ibuf, M_USBDEV); 640 mutex_enter(&sc->sc_lock); 641 scd->sc_state &= ~UHIDEV_OPEN; 642 sc->sc_refcnt = 0; 643 sc->sc_ibuf = NULL; 644 sc->sc_ipipe = NULL; 645 sc->sc_opipe = NULL; 646 sc->sc_oxfer = NULL; 647 mutex_exit(&sc->sc_lock); 648 return error; 649 } 650 651 void 652 uhidev_stop(struct uhidev *scd) 653 { 654 struct uhidev_softc *sc = scd->sc_parent; 655 656 /* Disable interrupts. */ 657 if (sc->sc_opipe != NULL) { 658 usbd_abort_pipe(sc->sc_opipe); 659 usbd_close_pipe(sc->sc_opipe); 660 sc->sc_opipe = NULL; 661 } 662 663 if (sc->sc_ipipe != NULL) { 664 usbd_abort_pipe(sc->sc_ipipe); 665 usbd_close_pipe(sc->sc_ipipe); 666 sc->sc_ipipe = NULL; 667 } 668 669 if (sc->sc_ibuf != NULL) { 670 free(sc->sc_ibuf, M_USBDEV); 671 sc->sc_ibuf = NULL; 672 } 673 } 674 675 void 676 uhidev_close(struct uhidev *scd) 677 { 678 struct uhidev_softc *sc = scd->sc_parent; 679 680 mutex_enter(&sc->sc_lock); 681 if (!(scd->sc_state & UHIDEV_OPEN)) { 682 mutex_exit(&sc->sc_lock); 683 return; 684 } 685 scd->sc_state &= ~UHIDEV_OPEN; 686 if (--sc->sc_refcnt) { 687 mutex_exit(&sc->sc_lock); 688 return; 689 } 690 mutex_exit(&sc->sc_lock); 691 692 DPRINTF(("uhidev_close: close pipe\n")); 693 694 if (sc->sc_oxfer != NULL) { 695 usbd_free_xfer(sc->sc_oxfer); 696 sc->sc_oxfer = NULL; 697 } 698 699 /* Possibly redundant, but properly handled */ 700 uhidev_stop(scd); 701 } 702 703 usbd_status 704 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 705 { 706 char *buf; 707 usbd_status retstat; 708 709 if (scd->sc_report_id == 0) 710 return usbd_set_report(scd->sc_parent->sc_iface, type, 711 scd->sc_report_id, data, len); 712 713 buf = malloc(len + 1, M_TEMP, M_WAITOK); 714 buf[0] = scd->sc_report_id; 715 memcpy(buf+1, data, len); 716 717 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 718 scd->sc_report_id, buf, len + 1); 719 720 free(buf, M_TEMP); 721 722 return retstat; 723 } 724 725 usbd_status 726 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 727 { 728 return usbd_get_report(scd->sc_parent->sc_iface, type, 729 scd->sc_report_id, data, len); 730 } 731 732 usbd_status 733 uhidev_write(struct uhidev_softc *sc, void *data, int len) 734 { 735 736 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 737 738 if (sc->sc_opipe == NULL) 739 return USBD_INVAL; 740 741 #ifdef UHIDEV_DEBUG 742 if (uhidevdebug > 50) { 743 744 u_int32_t i; 745 u_int8_t *d = data; 746 747 DPRINTF(("uhidev_write: data =")); 748 for (i = 0; i < len; i++) 749 DPRINTF((" %02x", d[i])); 750 DPRINTF(("\n")); 751 } 752 #endif 753 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 754 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 755 } 756
Indexes created Tue Sep 23 02:09:52 GMT 2025