uhidev.c revision 1.70
1 /* $NetBSD: uhidev.c,v 1.70 2017/06/01 02:45:12 chs 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 1.70 2017/06/01 02:45:12 chs 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 #include <sys/rndsource.h> 53 54 #include <dev/usb/usb.h> 55 #include <dev/usb/usbhid.h> 56 57 #include <dev/usb/usbdevs.h> 58 #include <dev/usb/usbdi.h> 59 #include <dev/usb/usbdi_util.h> 60 #include <dev/usb/hid.h> 61 #include <dev/usb/usb_quirks.h> 62 63 #include <dev/usb/uhidev.h> 64 65 /* Report descriptor for broken Wacom Graphire */ 66 #include <dev/usb/ugraphire_rdesc.h> 67 /* Report descriptor for game controllers in "XInput" mode */ 68 #include <dev/usb/xinput_rdesc.h> 69 /* Report descriptor for Xbox One controllers */ 70 #include <dev/usb/x1input_rdesc.h> 71 72 #include "locators.h" 73 74 #ifdef UHIDEV_DEBUG 75 #define DPRINTF(x) if (uhidevdebug) printf x 76 #define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 77 int uhidevdebug = 0; 78 #else 79 #define DPRINTF(x) 80 #define DPRINTFN(n,x) 81 #endif 82 83 Static void uhidev_intr(struct usbd_xfer *, void *, usbd_status); 84 85 Static int uhidev_maxrepid(void *, int); 86 Static int uhidevprint(void *, const char *); 87 88 int uhidev_match(device_t, cfdata_t, void *); 89 void uhidev_attach(device_t, device_t, void *); 90 void uhidev_childdet(device_t, device_t); 91 int uhidev_detach(device_t, int); 92 int uhidev_activate(device_t, enum devact); 93 extern struct cfdriver uhidev_cd; 94 CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 95 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 96 97 int 98 uhidev_match(device_t parent, cfdata_t match, void *aux) 99 { 100 struct usbif_attach_arg *uiaa = aux; 101 102 /* Game controllers in "XInput" mode */ 103 if (USBIF_IS_XINPUT(uiaa)) 104 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 105 /* Xbox One controllers */ 106 if (USBIF_IS_X1INPUT(uiaa) && uiaa->uiaa_ifaceno == 0) 107 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 108 109 if (uiaa->uiaa_class != UICLASS_HID) 110 return UMATCH_NONE; 111 if (usbd_get_quirks(uiaa->uiaa_device)->uq_flags & UQ_HID_IGNORE) 112 return UMATCH_NONE; 113 return UMATCH_IFACECLASS_GENERIC; 114 } 115 116 void 117 uhidev_attach(device_t parent, device_t self, void *aux) 118 { 119 struct uhidev_softc *sc = device_private(self); 120 struct usbif_attach_arg *uiaa = aux; 121 struct usbd_interface *iface = uiaa->uiaa_iface; 122 usb_interface_descriptor_t *id; 123 usb_endpoint_descriptor_t *ed; 124 struct uhidev_attach_arg uha; 125 device_t dev; 126 struct uhidev *csc; 127 int maxinpktsize, size, nrepid, repid, repsz; 128 int *repsizes; 129 int i; 130 void *desc; 131 const void *descptr; 132 usbd_status err; 133 char *devinfop; 134 int locs[UHIDBUSCF_NLOCS]; 135 136 sc->sc_dev = self; 137 sc->sc_udev = uiaa->uiaa_device; 138 sc->sc_iface = iface; 139 140 aprint_naive("\n"); 141 aprint_normal("\n"); 142 143 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_SOFTUSB); 144 145 id = usbd_get_interface_descriptor(iface); 146 147 devinfop = usbd_devinfo_alloc(uiaa->uiaa_device, 0); 148 aprint_normal_dev(self, "%s, iclass %d/%d\n", 149 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 150 usbd_devinfo_free(devinfop); 151 152 if (!pmf_device_register(self, NULL, NULL)) 153 aprint_error_dev(self, "couldn't establish power handler\n"); 154 155 (void)usbd_set_idle(iface, 0, 0); 156 #if 0 157 158 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_NO_SET_PROTO) == 0 && 159 id->bInterfaceSubClass != UISUBCLASS_BOOT) 160 (void)usbd_set_protocol(iface, 1); 161 #endif 162 163 maxinpktsize = 0; 164 sc->sc_iep_addr = sc->sc_oep_addr = -1; 165 for (i = 0; i < id->bNumEndpoints; i++) { 166 ed = usbd_interface2endpoint_descriptor(iface, i); 167 if (ed == NULL) { 168 aprint_error_dev(self, 169 "could not read endpoint descriptor\n"); 170 sc->sc_dying = 1; 171 return; 172 } 173 174 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 175 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 176 " bInterval=%d\n", 177 ed->bLength, ed->bDescriptorType, 178 ed->bEndpointAddress & UE_ADDR, 179 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 180 ed->bmAttributes & UE_XFERTYPE, 181 UGETW(ed->wMaxPacketSize), ed->bInterval)); 182 183 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 184 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 185 maxinpktsize = UGETW(ed->wMaxPacketSize); 186 sc->sc_iep_addr = ed->bEndpointAddress; 187 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 188 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 189 sc->sc_oep_addr = ed->bEndpointAddress; 190 } else { 191 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 192 } 193 } 194 195 /* 196 * Check that we found an input interrupt endpoint. The output interrupt 197 * endpoint is optional 198 */ 199 if (sc->sc_iep_addr == -1) { 200 aprint_error_dev(self, "no input interrupt endpoint\n"); 201 sc->sc_dying = 1; 202 return; 203 } 204 205 /* XXX need to extend this */ 206 descptr = NULL; 207 if (uiaa->uiaa_vendor == USB_VENDOR_WACOM) { 208 static uByte reportbuf[] = {2, 2, 2}; 209 210 /* The report descriptor for the Wacom Graphire is broken. */ 211 switch (uiaa->uiaa_product) { 212 case USB_PRODUCT_WACOM_GRAPHIRE: 213 case USB_PRODUCT_WACOM_GRAPHIRE2: 214 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 215 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 216 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 217 /* 218 * The Graphire3 needs 0x0202 to be written to 219 * feature report ID 2 before it'll start 220 * returning digitizer data. 221 */ 222 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 2, 223 &reportbuf, sizeof(reportbuf)); 224 225 size = sizeof(uhid_graphire3_4x5_report_descr); 226 descptr = uhid_graphire3_4x5_report_descr; 227 break; 228 default: 229 /* Keep descriptor */ 230 break; 231 } 232 } 233 if (USBIF_IS_XINPUT(uiaa)) { 234 size = sizeof(uhid_xinput_report_descr); 235 descptr = uhid_xinput_report_descr; 236 } 237 if (USBIF_IS_X1INPUT(uiaa)) { 238 sc->sc_flags |= UHIDEV_F_XB1; 239 size = sizeof(uhid_x1input_report_descr); 240 descptr = uhid_x1input_report_descr; 241 } 242 243 if (descptr) { 244 desc = kmem_alloc(size, KM_SLEEP); 245 err = USBD_NORMAL_COMPLETION; 246 memcpy(desc, descptr, size); 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 sc->sc_subdevs = kmem_zalloc(nrepid * sizeof(device_t), 316 KM_SLEEP); 317 318 /* Just request max packet size for the interrupt pipe */ 319 sc->sc_isize = maxinpktsize; 320 sc->sc_nrepid = nrepid; 321 322 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 323 324 for (repid = 0; repid < nrepid; repid++) { 325 repsz = hid_report_size(desc, size, hid_input, repid); 326 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 327 repsizes[repid] = repsz; 328 } 329 330 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 331 332 uha.parent = sc; 333 for (repid = 0; repid < nrepid; repid++) { 334 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 335 if (hid_report_size(desc, size, hid_input, repid) == 0 && 336 hid_report_size(desc, size, hid_output, repid) == 0 && 337 hid_report_size(desc, size, hid_feature, repid) == 0) { 338 ; /* already NULL in sc->sc_subdevs[repid] */ 339 } else { 340 uha.reportid = repid; 341 locs[UHIDBUSCF_REPORTID] = repid; 342 343 dev = config_found_sm_loc(self, 344 "uhidbus", locs, &uha, 345 uhidevprint, config_stdsubmatch); 346 sc->sc_subdevs[repid] = dev; 347 if (dev != NULL) { 348 csc = device_private(dev); 349 csc->sc_in_rep_size = repsizes[repid]; 350 #ifdef DIAGNOSTIC 351 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 352 repid, dev)); 353 if (csc->sc_intr == NULL) { 354 kmem_free(repsizes, 355 nrepid * sizeof(*repsizes)); 356 aprint_error_dev(self, 357 "sc_intr == NULL\n"); 358 return; 359 } 360 #endif 361 rnd_attach_source(&csc->rnd_source, 362 device_xname(dev), 363 RND_TYPE_TTY, 364 RND_FLAG_DEFAULT); 365 } 366 } 367 } 368 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 369 370 return; 371 } 372 373 int 374 uhidev_maxrepid(void *buf, int len) 375 { 376 struct hid_data *d; 377 struct hid_item h; 378 int maxid; 379 380 maxid = -1; 381 h.report_ID = 0; 382 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 383 if (h.report_ID > maxid) 384 maxid = h.report_ID; 385 hid_end_parse(d); 386 return maxid; 387 } 388 389 int 390 uhidevprint(void *aux, const char *pnp) 391 { 392 struct uhidev_attach_arg *uha = aux; 393 394 if (pnp) 395 aprint_normal("uhid at %s", pnp); 396 if (uha->reportid != 0) 397 aprint_normal(" reportid %d", uha->reportid); 398 return UNCONF; 399 } 400 401 int 402 uhidev_activate(device_t self, enum devact act) 403 { 404 struct uhidev_softc *sc = device_private(self); 405 406 switch (act) { 407 case DVACT_DEACTIVATE: 408 sc->sc_dying = 1; 409 return 0; 410 default: 411 return EOPNOTSUPP; 412 } 413 } 414 415 void 416 uhidev_childdet(device_t self, device_t child) 417 { 418 int i; 419 struct uhidev_softc *sc = device_private(self); 420 421 for (i = 0; i < sc->sc_nrepid; i++) { 422 if (sc->sc_subdevs[i] == child) 423 break; 424 } 425 KASSERT(i < sc->sc_nrepid); 426 sc->sc_subdevs[i] = NULL; 427 } 428 429 int 430 uhidev_detach(device_t self, int flags) 431 { 432 struct uhidev_softc *sc = device_private(self); 433 int i, rv; 434 struct uhidev *csc; 435 436 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 437 438 sc->sc_dying = 1; 439 if (sc->sc_ipipe != NULL) 440 usbd_abort_pipe(sc->sc_ipipe); 441 442 if (sc->sc_repdesc != NULL) 443 kmem_free(sc->sc_repdesc, sc->sc_repdesc_size); 444 445 rv = 0; 446 for (i = 0; i < sc->sc_nrepid; i++) { 447 if (sc->sc_subdevs[i] != NULL) { 448 csc = device_private(sc->sc_subdevs[i]); 449 rnd_detach_source(&csc->rnd_source); 450 rv |= config_detach(sc->sc_subdevs[i], flags); 451 } 452 } 453 454 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 455 456 pmf_device_deregister(self); 457 mutex_destroy(&sc->sc_lock); 458 459 return rv; 460 } 461 462 void 463 uhidev_intr(struct usbd_xfer *xfer, void *addr, usbd_status status) 464 { 465 struct uhidev_softc *sc = addr; 466 device_t cdev; 467 struct uhidev *scd; 468 u_char *p; 469 u_int rep; 470 uint32_t cc; 471 472 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 473 474 #ifdef UHIDEV_DEBUG 475 if (uhidevdebug > 5) { 476 uint32_t i; 477 478 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 479 DPRINTF(("uhidev_intr: data =")); 480 for (i = 0; i < cc; i++) 481 DPRINTF((" %02x", sc->sc_ibuf[i])); 482 DPRINTF(("\n")); 483 } 484 #endif 485 486 if (status == USBD_CANCELLED) 487 return; 488 489 if (status != USBD_NORMAL_COMPLETION) { 490 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 491 status)); 492 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 493 return; 494 } 495 496 p = sc->sc_ibuf; 497 if (sc->sc_nrepid != 1) 498 rep = *p++, cc--; 499 else 500 rep = 0; 501 if (rep >= sc->sc_nrepid) { 502 printf("uhidev_intr: bad repid %d\n", rep); 503 return; 504 } 505 cdev = sc->sc_subdevs[rep]; 506 if (!cdev) 507 return; 508 scd = device_private(cdev); 509 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 510 rep, scd, scd ? scd->sc_state : 0)); 511 if (!(scd->sc_state & UHIDEV_OPEN)) 512 return; 513 #ifdef UHIDEV_DEBUG 514 if (scd->sc_in_rep_size != cc) { 515 DPRINTF(("%s: expected %d bytes, got %d\n", 516 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 517 } 518 #endif 519 if (cc == 0) { 520 DPRINTF(("%s: 0-length input ignored\n", 521 device_xname(sc->sc_dev))); 522 return; 523 } 524 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 525 scd->sc_intr(scd, p, cc); 526 } 527 528 void 529 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 530 { 531 *desc = sc->sc_repdesc; 532 *size = sc->sc_repdesc_size; 533 } 534 535 int 536 uhidev_open(struct uhidev *scd) 537 { 538 struct uhidev_softc *sc = scd->sc_parent; 539 usbd_status err; 540 int error; 541 542 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 543 544 mutex_enter(&sc->sc_lock); 545 if (scd->sc_state & UHIDEV_OPEN) { 546 mutex_exit(&sc->sc_lock); 547 return EBUSY; 548 } 549 scd->sc_state |= UHIDEV_OPEN; 550 if (sc->sc_refcnt++) { 551 mutex_exit(&sc->sc_lock); 552 return 0; 553 } 554 mutex_exit(&sc->sc_lock); 555 556 if (sc->sc_isize == 0) 557 return 0; 558 559 sc->sc_ibuf = kmem_alloc(sc->sc_isize, KM_SLEEP); 560 561 /* Set up input interrupt pipe. */ 562 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 563 sc->sc_iep_addr)); 564 565 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 566 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 567 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 568 if (err != USBD_NORMAL_COMPLETION) { 569 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 570 "error=%d\n", err)); 571 error = EIO; 572 goto out1; 573 } 574 575 /* 576 * Set up output interrupt pipe if an output interrupt endpoint 577 * exists. 578 */ 579 if (sc->sc_oep_addr != -1) { 580 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 581 582 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 583 0, &sc->sc_opipe); 584 585 if (err != USBD_NORMAL_COMPLETION) { 586 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 587 "error=%d\n", err)); 588 error = EIO; 589 goto out2; 590 } 591 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 592 593 error = usbd_create_xfer(sc->sc_opipe, UHIDEV_OSIZE, 0, 0, 594 &sc->sc_oxfer); 595 if (error) { 596 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 597 goto out3; 598 } 599 600 if (sc->sc_flags & UHIDEV_F_XB1) { 601 uint8_t init_data[] = { 0x05, 0x20 }; 602 int init_data_len = sizeof(init_data); 603 err = usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 604 USBD_NO_TIMEOUT, init_data, &init_data_len); 605 if (err != USBD_NORMAL_COMPLETION) { 606 DPRINTF(("uhidev_open: xb1 init failed, " 607 "error=%d\n", err)); 608 error = EIO; 609 goto out4; 610 } 611 } 612 } 613 614 return 0; 615 out4: 616 /* Free output xfer */ 617 if (sc->sc_oxfer != NULL) 618 usbd_destroy_xfer(sc->sc_oxfer); 619 out3: 620 /* Abort output pipe */ 621 usbd_close_pipe(sc->sc_opipe); 622 out2: 623 /* Abort input pipe */ 624 usbd_close_pipe(sc->sc_ipipe); 625 out1: 626 DPRINTF(("uhidev_open: failed in someway")); 627 kmem_free(sc->sc_ibuf, sc->sc_isize); 628 mutex_enter(&sc->sc_lock); 629 scd->sc_state &= ~UHIDEV_OPEN; 630 sc->sc_refcnt = 0; 631 sc->sc_ibuf = NULL; 632 sc->sc_ipipe = NULL; 633 sc->sc_opipe = NULL; 634 sc->sc_oxfer = NULL; 635 mutex_exit(&sc->sc_lock); 636 return error; 637 } 638 639 void 640 uhidev_stop(struct uhidev *scd) 641 { 642 struct uhidev_softc *sc = scd->sc_parent; 643 644 /* Disable interrupts. */ 645 if (sc->sc_opipe != NULL) { 646 usbd_abort_pipe(sc->sc_opipe); 647 usbd_close_pipe(sc->sc_opipe); 648 sc->sc_opipe = NULL; 649 } 650 651 if (sc->sc_ipipe != NULL) { 652 usbd_abort_pipe(sc->sc_ipipe); 653 usbd_close_pipe(sc->sc_ipipe); 654 sc->sc_ipipe = NULL; 655 } 656 657 if (sc->sc_ibuf != NULL) { 658 kmem_free(sc->sc_ibuf, sc->sc_isize); 659 sc->sc_ibuf = NULL; 660 } 661 } 662 663 void 664 uhidev_close(struct uhidev *scd) 665 { 666 struct uhidev_softc *sc = scd->sc_parent; 667 668 mutex_enter(&sc->sc_lock); 669 if (!(scd->sc_state & UHIDEV_OPEN)) { 670 mutex_exit(&sc->sc_lock); 671 return; 672 } 673 scd->sc_state &= ~UHIDEV_OPEN; 674 if (--sc->sc_refcnt) { 675 mutex_exit(&sc->sc_lock); 676 return; 677 } 678 mutex_exit(&sc->sc_lock); 679 680 DPRINTF(("uhidev_close: close pipe\n")); 681 682 if (sc->sc_oxfer != NULL) { 683 usbd_destroy_xfer(sc->sc_oxfer); 684 sc->sc_oxfer = NULL; 685 } 686 687 688 /* Possibly redundant, but properly handled */ 689 uhidev_stop(scd); 690 } 691 692 usbd_status 693 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 694 { 695 char *buf; 696 usbd_status retstat; 697 698 if (scd->sc_report_id == 0) 699 return usbd_set_report(scd->sc_parent->sc_iface, type, 700 scd->sc_report_id, data, len); 701 702 buf = kmem_alloc(len + 1, KM_SLEEP); 703 buf[0] = scd->sc_report_id; 704 memcpy(buf+1, data, len); 705 706 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 707 scd->sc_report_id, buf, len + 1); 708 709 kmem_free(buf, len + 1); 710 711 return retstat; 712 } 713 714 usbd_status 715 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 716 { 717 return usbd_get_report(scd->sc_parent->sc_iface, type, 718 scd->sc_report_id, data, len); 719 } 720 721 usbd_status 722 uhidev_write(struct uhidev_softc *sc, void *data, int len) 723 { 724 725 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 726 727 if (sc->sc_opipe == NULL) 728 return USBD_INVAL; 729 730 #ifdef UHIDEV_DEBUG 731 if (uhidevdebug > 50) { 732 733 uint32_t i; 734 uint8_t *d = data; 735 736 DPRINTF(("uhidev_write: data =")); 737 for (i = 0; i < len; i++) 738 DPRINTF((" %02x", d[i])); 739 DPRINTF(("\n")); 740 } 741 #endif 742 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, USBD_NO_TIMEOUT, 743 data, &len); 744 } 745
Indexes created Tue Sep 23 02:09:52 GMT 2025