uhidev.c revision 1.61.2.4
1 /* $NetBSD: uhidev.c,v 1.61.2.4 2017/10/13 08:11:20 snj 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 1.61.2.4 2017/10/13 08:11:20 snj Exp $"); 39 40 #ifdef _KERNEL_OPT 41 #include "opt_usb.h" 42 #endif 43 44 #include <sys/param.h> 45 #include <sys/systm.h> 46 #include <sys/kernel.h> 47 #include <sys/kmem.h> 48 #include <sys/signalvar.h> 49 #include <sys/device.h> 50 #include <sys/ioctl.h> 51 #include <sys/conf.h> 52 53 #include <dev/usb/usb.h> 54 #include <dev/usb/usbhid.h> 55 56 #include <dev/usb/usbdevs.h> 57 #include <dev/usb/usbdi.h> 58 #include <dev/usb/usbdi_util.h> 59 #include <dev/usb/hid.h> 60 #include <dev/usb/usb_quirks.h> 61 62 #include <dev/usb/uhidev.h> 63 64 /* Report descriptor for broken Wacom Graphire */ 65 #include <dev/usb/ugraphire_rdesc.h> 66 /* Report descriptor for game controllers in "XInput" mode */ 67 #include <dev/usb/xinput_rdesc.h> 68 /* Report descriptor for Xbox One controllers */ 69 #include <dev/usb/x1input_rdesc.h> 70 71 #include "locators.h" 72 73 #ifdef UHIDEV_DEBUG 74 #define DPRINTF(x) if (uhidevdebug) printf x 75 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 76 int uhidevdebug = 0; 77 #else 78 #define DPRINTF(x) 79 #define DPRINTFN(n,x) 80 #endif 81 82 Static void uhidev_intr(struct usbd_xfer *, void *, usbd_status); 83 84 Static int uhidev_maxrepid(void *, int); 85 Static int uhidevprint(void *, const char *); 86 87 int uhidev_match(device_t, cfdata_t, void *); 88 void uhidev_attach(device_t, device_t, void *); 89 void uhidev_childdet(device_t, device_t); 90 int uhidev_detach(device_t, int); 91 int uhidev_activate(device_t, enum devact); 92 extern struct cfdriver uhidev_cd; 93 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 94 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 95 96 int 97 uhidev_match(device_t parent, cfdata_t match, void *aux) 98 { 99 struct usbif_attach_arg *uiaa = aux; 100 101 /* Game controllers in "XInput" mode */ 102 if (USBIF_IS_XINPUT(uiaa)) 103 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 104 /* Xbox One controllers */ 105 if (USBIF_IS_X1INPUT(uiaa) && uiaa->uiaa_ifaceno == 0) 106 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 107 108 if (uiaa->uiaa_class != UICLASS_HID) 109 return UMATCH_NONE; 110 if (usbd_get_quirks(uiaa->uiaa_device)->uq_flags & UQ_HID_IGNORE) 111 return UMATCH_NONE; 112 return UMATCH_IFACECLASS_GENERIC; 113 } 114 115 void 116 uhidev_attach(device_t parent, device_t self, void *aux) 117 { 118 struct uhidev_softc *sc = device_private(self); 119 struct usbif_attach_arg *uiaa = aux; 120 struct usbd_interface *iface = uiaa->uiaa_iface; 121 usb_interface_descriptor_t *id; 122 usb_endpoint_descriptor_t *ed; 123 struct uhidev_attach_arg uha; 124 device_t dev; 125 struct uhidev *csc; 126 int maxinpktsize, size, nrepid, repid, repsz; 127 int *repsizes; 128 int i; 129 void *desc; 130 const void *descptr; 131 usbd_status err; 132 char *devinfop; 133 int locs[UHIDBUSCF_NLOCS]; 134 135 sc->sc_dev = self; 136 sc->sc_udev = uiaa->uiaa_device; 137 sc->sc_iface = iface; 138 139 aprint_naive("\n"); 140 aprint_normal("\n"); 141 142 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 143 144 id = usbd_get_interface_descriptor(iface); 145 146 devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0); 147 aprint_normal_dev(self, "%s, iclass %d/%d\n", 148 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 149 usbd_devinfo_free(devinfop); 150 151 if (!pmf_device_register(self, NULL, NULL)) 152 aprint_error_dev(self, "couldn't establish power handler\n"); 153 154 (void)usbd_set_idle(iface, 0, 0); 155 156 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_NO_SET_PROTO) == 0) 157 (void)usbd_set_protocol(iface, 1); 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 (uiaa->uiaa_vendor == USB_VENDOR_WACOM) { 204 static uByte reportbuf[] = {2, 2, 2}; 205 206 /* The report descriptor for the Wacom Graphire is broken. */ 207 switch (uiaa->uiaa_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(uiaa->uiaa_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(uiaa)) { 230 size = sizeof(uhid_xinput_report_descr); 231 descptr = uhid_xinput_report_descr; 232 } 233 if (USBIF_IS_X1INPUT(uiaa)) { 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 = kmem_alloc(size, KM_SLEEP); 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(uiaa->uiaa_iface, &desc, &size); 250 } 251 if (err) { 252 aprint_error_dev(self, "no report descriptor\n"); 253 sc->sc_dying = 1; 254 return; 255 } 256 257 if (uiaa->uiaa_vendor == USB_VENDOR_HOSIDEN && 258 uiaa->uiaa_product == USB_PRODUCT_HOSIDEN_PPP) { 259 static uByte reportbuf[] = { 1 }; 260 /* 261 * This device was sold by Konami with its ParaParaParadise 262 * game for PlayStation2. It needs to be "turned on" 263 * before it will send any reports. 264 */ 265 266 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 0, 267 &reportbuf, sizeof(reportbuf)); 268 } 269 270 if (uiaa->uiaa_vendor == USB_VENDOR_LOGITECH && 271 uiaa->uiaa_product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 272 uint8_t *data = desc; 273 /* 274 * This device has a odd USAGE_MINIMUM value that would 275 * cause the multimedia keys to have their usage number 276 * shifted up one usage. Adjust so the usages are sane. 277 */ 278 279 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 280 data[0x58] == 0x2a && data[0x59] == 0x8c) 281 data[0x57] = 0x00; 282 } 283 284 /* 285 * Enable the Six Axis and DualShock 3 controllers. 286 * See http://ps3.jim.sh/sixaxis/usb/ 287 */ 288 if (uiaa->uiaa_vendor == USB_VENDOR_SONY && 289 uiaa->uiaa_product == USB_PRODUCT_SONY_PS3CONTROLLER) { 290 usb_device_request_t req; 291 char data[17]; 292 int actlen; 293 294 req.bmRequestType = UT_READ_CLASS_INTERFACE; 295 req.bRequest = 1; 296 USETW(req.wValue, 0x3f2); 297 USETW(req.wIndex, 0); 298 USETW(req.wLength, sizeof(data)); 299 300 usbd_do_request_flags(sc->sc_udev, &req, data, 301 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 302 } 303 304 sc->sc_repdesc = desc; 305 sc->sc_repdesc_size = size; 306 307 uha.uiaa = uiaa; 308 nrepid = uhidev_maxrepid(desc, size); 309 if (nrepid < 0) 310 return; 311 if (nrepid > 0) 312 aprint_normal_dev(self, "%d report ids\n", nrepid); 313 nrepid++; 314 repsizes = kmem_alloc(nrepid * sizeof(*repsizes), KM_SLEEP); 315 if (repsizes == NULL) 316 goto nomem; 317 sc->sc_subdevs = kmem_zalloc(nrepid * sizeof(device_t), 318 KM_SLEEP); 319 if (sc->sc_subdevs == NULL) { 320 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 321 nomem: 322 aprint_error_dev(self, "no memory\n"); 323 return; 324 } 325 326 /* Just request max packet size for the interrupt pipe */ 327 sc->sc_isize = maxinpktsize; 328 sc->sc_nrepid = nrepid; 329 330 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 331 332 for (repid = 0; repid < nrepid; repid++) { 333 repsz = hid_report_size(desc, size, hid_input, repid); 334 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 335 repsizes[repid] = repsz; 336 } 337 338 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 339 340 uha.parent = sc; 341 for (repid = 0; repid < nrepid; repid++) { 342 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 343 if (hid_report_size(desc, size, hid_input, repid) == 0 && 344 hid_report_size(desc, size, hid_output, repid) == 0 && 345 hid_report_size(desc, size, hid_feature, repid) == 0) { 346 ; /* already NULL in sc->sc_subdevs[repid] */ 347 } else { 348 uha.reportid = repid; 349 locs[UHIDBUSCF_REPORTID] = repid; 350 351 dev = config_found_sm_loc(self, 352 "uhidbus", locs, &uha, 353 uhidevprint, config_stdsubmatch); 354 sc->sc_subdevs[repid] = dev; 355 if (dev != NULL) { 356 csc = device_private(dev); 357 csc->sc_in_rep_size = repsizes[repid]; 358 #ifdef DIAGNOSTIC 359 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 360 repid, dev)); 361 if (csc->sc_intr == NULL) { 362 kmem_free(repsizes, 363 nrepid * sizeof(*repsizes)); 364 aprint_error_dev(self, 365 "sc_intr == NULL\n"); 366 return; 367 } 368 #endif 369 rnd_attach_source(&csc->rnd_source, 370 device_xname(dev), 371 RND_TYPE_TTY, 372 RND_FLAG_DEFAULT); 373 } 374 } 375 } 376 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 377 378 return; 379 } 380 381 int 382 uhidev_maxrepid(void *buf, int len) 383 { 384 struct hid_data *d; 385 struct hid_item h; 386 int maxid; 387 388 maxid = -1; 389 h.report_ID = 0; 390 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 391 if (h.report_ID > maxid) 392 maxid = h.report_ID; 393 hid_end_parse(d); 394 return maxid; 395 } 396 397 int 398 uhidevprint(void *aux, const char *pnp) 399 { 400 struct uhidev_attach_arg *uha = aux; 401 402 if (pnp) 403 aprint_normal("uhid at %s", pnp); 404 if (uha->reportid != 0) 405 aprint_normal(" reportid %d", uha->reportid); 406 return UNCONF; 407 } 408 409 int 410 uhidev_activate(device_t self, enum devact act) 411 { 412 struct uhidev_softc *sc = device_private(self); 413 414 switch (act) { 415 case DVACT_DEACTIVATE: 416 sc->sc_dying = 1; 417 return 0; 418 default: 419 return EOPNOTSUPP; 420 } 421 } 422 423 void 424 uhidev_childdet(device_t self, device_t child) 425 { 426 int i; 427 struct uhidev_softc *sc = device_private(self); 428 429 for (i = 0; i < sc->sc_nrepid; i++) { 430 if (sc->sc_subdevs[i] == child) 431 break; 432 } 433 KASSERT(i < sc->sc_nrepid); 434 sc->sc_subdevs[i] = NULL; 435 } 436 437 int 438 uhidev_detach(device_t self, int flags) 439 { 440 struct uhidev_softc *sc = device_private(self); 441 int i, rv; 442 struct uhidev *csc; 443 444 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 445 446 sc->sc_dying = 1; 447 if (sc->sc_ipipe != NULL) 448 usbd_abort_pipe(sc->sc_ipipe); 449 450 if (sc->sc_repdesc != NULL) 451 kmem_free(sc->sc_repdesc, sc->sc_repdesc_size); 452 453 rv = 0; 454 for (i = 0; i < sc->sc_nrepid; i++) { 455 if (sc->sc_subdevs[i] != NULL) { 456 csc = device_private(sc->sc_subdevs[i]); 457 rnd_detach_source(&csc->rnd_source); 458 rv |= config_detach(sc->sc_subdevs[i], flags); 459 } 460 } 461 462 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 463 464 pmf_device_deregister(self); 465 mutex_destroy(&sc->sc_lock); 466 467 return rv; 468 } 469 470 void 471 uhidev_intr(struct usbd_xfer *xfer, void *addr, usbd_status status) 472 { 473 struct uhidev_softc *sc = addr; 474 device_t cdev; 475 struct uhidev *scd; 476 u_char *p; 477 u_int rep; 478 uint32_t cc; 479 480 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 481 482 #ifdef UHIDEV_DEBUG 483 if (uhidevdebug > 5) { 484 uint32_t i; 485 486 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 487 DPRINTF(("uhidev_intr: data =")); 488 for (i = 0; i < cc; i++) 489 DPRINTF((" %02x", sc->sc_ibuf[i])); 490 DPRINTF(("\n")); 491 } 492 #endif 493 494 if (status == USBD_CANCELLED) 495 return; 496 497 if (status != USBD_NORMAL_COMPLETION) { 498 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 499 status)); 500 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 501 return; 502 } 503 504 p = sc->sc_ibuf; 505 if (sc->sc_nrepid != 1) 506 rep = *p++, cc--; 507 else 508 rep = 0; 509 if (rep >= sc->sc_nrepid) { 510 printf("uhidev_intr: bad repid %d\n", rep); 511 return; 512 } 513 cdev = sc->sc_subdevs[rep]; 514 if (!cdev) 515 return; 516 scd = device_private(cdev); 517 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 518 rep, scd, scd ? scd->sc_state : 0)); 519 if (!(scd->sc_state & UHIDEV_OPEN)) 520 return; 521 #ifdef UHIDEV_DEBUG 522 if (scd->sc_in_rep_size != cc) { 523 DPRINTF(("%s: expected %d bytes, got %d\n", 524 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 525 } 526 #endif 527 if (cc == 0) { 528 DPRINTF(("%s: 0-length input ignored\n", 529 device_xname(sc->sc_dev))); 530 return; 531 } 532 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 533 scd->sc_intr(scd, p, cc); 534 } 535 536 void 537 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 538 { 539 *desc = sc->sc_repdesc; 540 *size = sc->sc_repdesc_size; 541 } 542 543 int 544 uhidev_open(struct uhidev *scd) 545 { 546 struct uhidev_softc *sc = scd->sc_parent; 547 usbd_status err; 548 int error; 549 550 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 551 552 mutex_enter(&sc->sc_lock); 553 if (scd->sc_state & UHIDEV_OPEN) { 554 mutex_exit(&sc->sc_lock); 555 return EBUSY; 556 } 557 scd->sc_state |= UHIDEV_OPEN; 558 if (sc->sc_refcnt++) { 559 mutex_exit(&sc->sc_lock); 560 return 0; 561 } 562 mutex_exit(&sc->sc_lock); 563 564 if (sc->sc_isize == 0) 565 return 0; 566 567 sc->sc_ibuf = kmem_alloc(sc->sc_isize, KM_SLEEP); 568 569 /* Set up input interrupt pipe. */ 570 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 571 sc->sc_iep_addr)); 572 573 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 574 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 575 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 576 if (err != USBD_NORMAL_COMPLETION) { 577 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 578 "error=%d\n", err)); 579 error = EIO; 580 goto out1; 581 } 582 583 /* 584 * Set up output interrupt pipe if an output interrupt endpoint 585 * exists. 586 */ 587 if (sc->sc_oep_addr != -1) { 588 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 589 590 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 591 0, &sc->sc_opipe); 592 593 if (err != USBD_NORMAL_COMPLETION) { 594 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 595 "error=%d\n", err)); 596 error = EIO; 597 goto out2; 598 } 599 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 600 601 error = usbd_create_xfer(sc->sc_opipe, UHIDEV_OSIZE, 0, 0, 602 &sc->sc_oxfer); 603 if (error) { 604 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 605 goto out3; 606 } 607 608 if (sc->sc_flags & UHIDEV_F_XB1) { 609 uint8_t init_data[] = { 0x05, 0x20 }; 610 int init_data_len = sizeof(init_data); 611 err = usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 612 USBD_NO_TIMEOUT, init_data, &init_data_len); 613 if (err != USBD_NORMAL_COMPLETION) { 614 DPRINTF(("uhidev_open: xb1 init failed, " 615 "error=%d\n", err)); 616 error = EIO; 617 goto out4; 618 } 619 } 620 } 621 622 return 0; 623 out4: 624 /* Free output xfer */ 625 if (sc->sc_oxfer != NULL) 626 usbd_destroy_xfer(sc->sc_oxfer); 627 out3: 628 /* Abort output pipe */ 629 usbd_close_pipe(sc->sc_opipe); 630 out2: 631 /* Abort input pipe */ 632 usbd_close_pipe(sc->sc_ipipe); 633 out1: 634 DPRINTF(("uhidev_open: failed in someway")); 635 kmem_free(sc->sc_ibuf, sc->sc_isize); 636 mutex_enter(&sc->sc_lock); 637 scd->sc_state &= ~UHIDEV_OPEN; 638 sc->sc_refcnt = 0; 639 sc->sc_ibuf = NULL; 640 sc->sc_ipipe = NULL; 641 sc->sc_opipe = NULL; 642 sc->sc_oxfer = NULL; 643 mutex_exit(&sc->sc_lock); 644 return error; 645 } 646 647 void 648 uhidev_stop(struct uhidev *scd) 649 { 650 struct uhidev_softc *sc = scd->sc_parent; 651 652 /* Disable interrupts. */ 653 if (sc->sc_opipe != NULL) { 654 usbd_abort_pipe(sc->sc_opipe); 655 usbd_close_pipe(sc->sc_opipe); 656 sc->sc_opipe = NULL; 657 } 658 659 if (sc->sc_ipipe != NULL) { 660 usbd_abort_pipe(sc->sc_ipipe); 661 usbd_close_pipe(sc->sc_ipipe); 662 sc->sc_ipipe = NULL; 663 } 664 665 if (sc->sc_ibuf != NULL) { 666 kmem_free(sc->sc_ibuf, sc->sc_isize); 667 sc->sc_ibuf = NULL; 668 } 669 } 670 671 void 672 uhidev_close(struct uhidev *scd) 673 { 674 struct uhidev_softc *sc = scd->sc_parent; 675 676 mutex_enter(&sc->sc_lock); 677 if (!(scd->sc_state & UHIDEV_OPEN)) { 678 mutex_exit(&sc->sc_lock); 679 return; 680 } 681 scd->sc_state &= ~UHIDEV_OPEN; 682 if (--sc->sc_refcnt) { 683 mutex_exit(&sc->sc_lock); 684 return; 685 } 686 mutex_exit(&sc->sc_lock); 687 688 DPRINTF(("uhidev_close: close pipe\n")); 689 690 if (sc->sc_oxfer != NULL) { 691 usbd_destroy_xfer(sc->sc_oxfer); 692 sc->sc_oxfer = NULL; 693 } 694 695 696 /* Possibly redundant, but properly handled */ 697 uhidev_stop(scd); 698 } 699 700 usbd_status 701 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 702 { 703 char *buf; 704 usbd_status retstat; 705 706 if (scd->sc_report_id == 0) 707 return usbd_set_report(scd->sc_parent->sc_iface, type, 708 scd->sc_report_id, data, len); 709 710 buf = kmem_alloc(len + 1, KM_SLEEP); 711 buf[0] = scd->sc_report_id; 712 memcpy(buf+1, data, len); 713 714 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 715 scd->sc_report_id, buf, len + 1); 716 717 kmem_free(buf, len + 1); 718 719 return retstat; 720 } 721 722 usbd_status 723 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 724 { 725 return usbd_get_report(scd->sc_parent->sc_iface, type, 726 scd->sc_report_id, data, len); 727 } 728 729 usbd_status 730 uhidev_write(struct uhidev_softc *sc, void *data, int len) 731 { 732 733 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 734 735 if (sc->sc_opipe == NULL) 736 return USBD_INVAL; 737 738 #ifdef UHIDEV_DEBUG 739 if (uhidevdebug > 50) { 740 741 uint32_t i; 742 uint8_t *d = data; 743 744 DPRINTF(("uhidev_write: data =")); 745 for (i = 0; i < len; i++) 746 DPRINTF((" %02x", d[i])); 747 DPRINTF(("\n")); 748 } 749 #endif 750 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, USBD_NO_TIMEOUT, 751 data, &len); 752 } 753
Indexes created Mon Sep 29 21:09:56 GMT 2025