uhidev.c revision 1.61.2.2.4.1
1 /* $NetBSD: uhidev.c,v 1.61.2.2.4.1 2016/09/06 20:33:09 skrll 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 1.61.2.2.4.1 2016/09/06 20:33:09 skrll 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 #if 0 156 157 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_NO_SET_PROTO) == 0 && 158 id->bInterfaceSubClass != UISUBCLASS_BOOT) 159 (void)usbd_set_protocol(iface, 1); 160 #endif 161 162 maxinpktsize = 0; 163 sc->sc_iep_addr = sc->sc_oep_addr = -1; 164 for (i = 0; i < id->bNumEndpoints; i++) { 165 ed = usbd_interface2endpoint_descriptor(iface, i); 166 if (ed == NULL) { 167 aprint_error_dev(self, 168 "could not read endpoint descriptor\n"); 169 sc->sc_dying = 1; 170 return; 171 } 172 173 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 174 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 175 " bInterval=%d\n", 176 ed->bLength, ed->bDescriptorType, 177 ed->bEndpointAddress & UE_ADDR, 178 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 179 ed->bmAttributes & UE_XFERTYPE, 180 UGETW(ed->wMaxPacketSize), ed->bInterval)); 181 182 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 183 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 184 maxinpktsize = UGETW(ed->wMaxPacketSize); 185 sc->sc_iep_addr = ed->bEndpointAddress; 186 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 187 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 188 sc->sc_oep_addr = ed->bEndpointAddress; 189 } else { 190 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 191 } 192 } 193 194 /* 195 * Check that we found an input interrupt endpoint. The output interrupt 196 * endpoint is optional 197 */ 198 if (sc->sc_iep_addr == -1) { 199 aprint_error_dev(self, "no input interrupt endpoint\n"); 200 sc->sc_dying = 1; 201 return; 202 } 203 204 /* XXX need to extend this */ 205 descptr = NULL; 206 if (uiaa->uiaa_vendor == USB_VENDOR_WACOM) { 207 static uByte reportbuf[] = {2, 2, 2}; 208 209 /* The report descriptor for the Wacom Graphire is broken. */ 210 switch (uiaa->uiaa_product) { 211 case USB_PRODUCT_WACOM_GRAPHIRE: 212 case USB_PRODUCT_WACOM_GRAPHIRE2: 213 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 214 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 215 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 216 /* 217 * The Graphire3 needs 0x0202 to be written to 218 * feature report ID 2 before it'll start 219 * returning digitizer data. 220 */ 221 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 2, 222 &reportbuf, sizeof(reportbuf)); 223 224 size = sizeof(uhid_graphire3_4x5_report_descr); 225 descptr = uhid_graphire3_4x5_report_descr; 226 break; 227 default: 228 /* Keep descriptor */ 229 break; 230 } 231 } 232 if (USBIF_IS_XINPUT(uiaa)) { 233 size = sizeof(uhid_xinput_report_descr); 234 descptr = uhid_xinput_report_descr; 235 } 236 if (USBIF_IS_X1INPUT(uiaa)) { 237 sc->sc_flags |= UHIDEV_F_XB1; 238 size = sizeof(uhid_x1input_report_descr); 239 descptr = uhid_x1input_report_descr; 240 } 241 242 if (descptr) { 243 desc = kmem_alloc(size, KM_SLEEP); 244 if (desc == NULL) 245 err = USBD_NOMEM; 246 else { 247 err = USBD_NORMAL_COMPLETION; 248 memcpy(desc, descptr, size); 249 } 250 } else { 251 desc = NULL; 252 err = usbd_read_report_desc(uiaa->uiaa_iface, &desc, &size); 253 } 254 if (err) { 255 aprint_error_dev(self, "no report descriptor\n"); 256 sc->sc_dying = 1; 257 return; 258 } 259 260 if (uiaa->uiaa_vendor == USB_VENDOR_HOSIDEN && 261 uiaa->uiaa_product == USB_PRODUCT_HOSIDEN_PPP) { 262 static uByte reportbuf[] = { 1 }; 263 /* 264 * This device was sold by Konami with its ParaParaParadise 265 * game for PlayStation2. It needs to be "turned on" 266 * before it will send any reports. 267 */ 268 269 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 0, 270 &reportbuf, sizeof(reportbuf)); 271 } 272 273 if (uiaa->uiaa_vendor == USB_VENDOR_LOGITECH && 274 uiaa->uiaa_product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 275 uint8_t *data = desc; 276 /* 277 * This device has a odd USAGE_MINIMUM value that would 278 * cause the multimedia keys to have their usage number 279 * shifted up one usage. Adjust so the usages are sane. 280 */ 281 282 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 283 data[0x58] == 0x2a && data[0x59] == 0x8c) 284 data[0x57] = 0x00; 285 } 286 287 /* 288 * Enable the Six Axis and DualShock 3 controllers. 289 * See http://ps3.jim.sh/sixaxis/usb/ 290 */ 291 if (uiaa->uiaa_vendor == USB_VENDOR_SONY && 292 uiaa->uiaa_product == USB_PRODUCT_SONY_PS3CONTROLLER) { 293 usb_device_request_t req; 294 char data[17]; 295 int actlen; 296 297 req.bmRequestType = UT_READ_CLASS_INTERFACE; 298 req.bRequest = 1; 299 USETW(req.wValue, 0x3f2); 300 USETW(req.wIndex, 0); 301 USETW(req.wLength, sizeof(data)); 302 303 usbd_do_request_flags(sc->sc_udev, &req, data, 304 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 305 } 306 307 sc->sc_repdesc = desc; 308 sc->sc_repdesc_size = size; 309 310 uha.uiaa = uiaa; 311 nrepid = uhidev_maxrepid(desc, size); 312 if (nrepid < 0) 313 return; 314 if (nrepid > 0) 315 aprint_normal_dev(self, "%d report ids\n", nrepid); 316 nrepid++; 317 repsizes = kmem_alloc(nrepid * sizeof(*repsizes), KM_SLEEP); 318 if (repsizes == NULL) 319 goto nomem; 320 sc->sc_subdevs = kmem_zalloc(nrepid * sizeof(device_t), 321 KM_SLEEP); 322 if (sc->sc_subdevs == NULL) { 323 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 324 nomem: 325 aprint_error_dev(self, "no memory\n"); 326 return; 327 } 328 329 /* Just request max packet size for the interrupt pipe */ 330 sc->sc_isize = maxinpktsize; 331 sc->sc_nrepid = nrepid; 332 333 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 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 kmem_free(repsizes, 366 nrepid * sizeof(*repsizes)); 367 aprint_error_dev(self, 368 "sc_intr == NULL\n"); 369 return; 370 } 371 #endif 372 rnd_attach_source(&csc->rnd_source, 373 device_xname(dev), 374 RND_TYPE_TTY, 375 RND_FLAG_DEFAULT); 376 } 377 } 378 } 379 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 380 381 return; 382 } 383 384 int 385 uhidev_maxrepid(void *buf, int len) 386 { 387 struct hid_data *d; 388 struct hid_item h; 389 int maxid; 390 391 maxid = -1; 392 h.report_ID = 0; 393 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 394 if (h.report_ID > maxid) 395 maxid = h.report_ID; 396 hid_end_parse(d); 397 return maxid; 398 } 399 400 int 401 uhidevprint(void *aux, const char *pnp) 402 { 403 struct uhidev_attach_arg *uha = aux; 404 405 if (pnp) 406 aprint_normal("uhid at %s", pnp); 407 if (uha->reportid != 0) 408 aprint_normal(" reportid %d", uha->reportid); 409 return UNCONF; 410 } 411 412 int 413 uhidev_activate(device_t self, enum devact act) 414 { 415 struct uhidev_softc *sc = device_private(self); 416 417 switch (act) { 418 case DVACT_DEACTIVATE: 419 sc->sc_dying = 1; 420 return 0; 421 default: 422 return EOPNOTSUPP; 423 } 424 } 425 426 void 427 uhidev_childdet(device_t self, device_t child) 428 { 429 int i; 430 struct uhidev_softc *sc = device_private(self); 431 432 for (i = 0; i < sc->sc_nrepid; i++) { 433 if (sc->sc_subdevs[i] == child) 434 break; 435 } 436 KASSERT(i < sc->sc_nrepid); 437 sc->sc_subdevs[i] = NULL; 438 } 439 440 int 441 uhidev_detach(device_t self, int flags) 442 { 443 struct uhidev_softc *sc = device_private(self); 444 int i, rv; 445 struct uhidev *csc; 446 447 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 448 449 sc->sc_dying = 1; 450 if (sc->sc_ipipe != NULL) 451 usbd_abort_pipe(sc->sc_ipipe); 452 453 if (sc->sc_repdesc != NULL) 454 kmem_free(sc->sc_repdesc, sc->sc_repdesc_size); 455 456 rv = 0; 457 for (i = 0; i < sc->sc_nrepid; i++) { 458 if (sc->sc_subdevs[i] != NULL) { 459 csc = device_private(sc->sc_subdevs[i]); 460 rnd_detach_source(&csc->rnd_source); 461 rv |= config_detach(sc->sc_subdevs[i], flags); 462 } 463 } 464 465 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 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(struct usbd_xfer *xfer, void *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 uint32_t cc; 482 483 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 484 485 #ifdef UHIDEV_DEBUG 486 if (uhidevdebug > 5) { 487 uint32_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 = kmem_alloc(sc->sc_isize, KM_SLEEP); 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 error = usbd_create_xfer(sc->sc_opipe, UHIDEV_OSIZE, 0, 0, 605 &sc->sc_oxfer); 606 if (error) { 607 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 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 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_destroy_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 kmem_free(sc->sc_ibuf, sc->sc_isize); 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 kmem_free(sc->sc_ibuf, sc->sc_isize); 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_destroy_xfer(sc->sc_oxfer); 695 sc->sc_oxfer = NULL; 696 } 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 = kmem_alloc(len + 1, KM_SLEEP); 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 kmem_free(buf, len + 1); 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 uint32_t i; 745 uint8_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, USBD_NO_TIMEOUT, 754 data, &len); 755 } 756
Indexes created Mon Sep 29 03:10:08 GMT 2025