1 /* $NetBSD: uhidev.c,v 1.74 2018/11/15 23:01:46 jakllsch 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@augustsson.net) at 9 * Carlstedt Research & Technology and Matthew R. Green (mrg@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 1.74 2018/11/15 23:01:46 jakllsch 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/usb_quirks.h> 61 62 #include <dev/usb/uhidev.h> 63 #include <dev/hid/hid.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 if (uiaa->uiaa_vendor == USB_VENDOR_WACOM) { 156 if (uiaa->uiaa_product == USB_PRODUCT_WACOM_XD0912U) { 157 /* 158 * Wacom Intuos2 (XD-0912-U) requires longer idle time to 159 * initialize the device with 0x0202. 160 */ 161 DELAY(500000); 162 } 163 } 164 (void)usbd_set_idle(iface, 0, 0); 165 166 if ((usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_NO_SET_PROTO) == 0) 167 (void)usbd_set_protocol(iface, 1); 168 169 maxinpktsize = 0; 170 sc->sc_iep_addr = sc->sc_oep_addr = -1; 171 for (i = 0; i < id->bNumEndpoints; i++) { 172 ed = usbd_interface2endpoint_descriptor(iface, i); 173 if (ed == NULL) { 174 aprint_error_dev(self, 175 "could not read endpoint descriptor\n"); 176 sc->sc_dying = 1; 177 return; 178 } 179 180 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 181 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 182 " bInterval=%d\n", 183 ed->bLength, ed->bDescriptorType, 184 ed->bEndpointAddress & UE_ADDR, 185 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 186 ed->bmAttributes & UE_XFERTYPE, 187 UGETW(ed->wMaxPacketSize), ed->bInterval)); 188 189 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 190 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 191 maxinpktsize = UGETW(ed->wMaxPacketSize); 192 sc->sc_iep_addr = ed->bEndpointAddress; 193 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 194 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 195 sc->sc_oep_addr = ed->bEndpointAddress; 196 } else { 197 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 198 } 199 } 200 201 /* 202 * Check that we found an input interrupt endpoint. The output interrupt 203 * endpoint is optional 204 */ 205 if (sc->sc_iep_addr == -1) { 206 aprint_error_dev(self, "no input interrupt endpoint\n"); 207 sc->sc_dying = 1; 208 return; 209 } 210 211 /* XXX need to extend this */ 212 descptr = NULL; 213 if (uiaa->uiaa_vendor == USB_VENDOR_WACOM) { 214 static uByte reportbuf[3]; 215 216 /* The report descriptor for the Wacom Graphire is broken. */ 217 switch (uiaa->uiaa_product) { 218 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 219 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 220 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 221 /* 222 * The Graphire3 needs 0x0202 to be written to 223 * feature report ID 2 before it'll start 224 * returning digitizer data. 225 */ 226 reportbuf[0] = 0x02; 227 reportbuf[1] = 0x02; 228 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 2, 229 &reportbuf, 2); 230 231 size = sizeof(uhid_graphire3_4x5_report_descr); 232 descptr = uhid_graphire3_4x5_report_descr; 233 break; 234 case USB_PRODUCT_WACOM_GRAPHIRE: 235 case USB_PRODUCT_WACOM_GRAPHIRE2: 236 case USB_PRODUCT_WACOM_XD0912U: 237 case USB_PRODUCT_WACOM_CTH690K0: 238 reportbuf[0] = 0x02; 239 reportbuf[1] = 0x02; 240 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 2, 241 &reportbuf, 2); 242 break; 243 default: 244 /* Keep descriptor */ 245 break; 246 } 247 } 248 if (USBIF_IS_XINPUT(uiaa)) { 249 size = sizeof(uhid_xinput_report_descr); 250 descptr = uhid_xinput_report_descr; 251 } 252 if (USBIF_IS_X1INPUT(uiaa)) { 253 sc->sc_flags |= UHIDEV_F_XB1; 254 size = sizeof(uhid_x1input_report_descr); 255 descptr = uhid_x1input_report_descr; 256 } 257 258 if (descptr) { 259 desc = kmem_alloc(size, KM_SLEEP); 260 err = USBD_NORMAL_COMPLETION; 261 memcpy(desc, descptr, size); 262 } else { 263 desc = NULL; 264 err = usbd_read_report_desc(uiaa->uiaa_iface, &desc, &size); 265 } 266 if (err) { 267 aprint_error_dev(self, "no report descriptor\n"); 268 sc->sc_dying = 1; 269 return; 270 } 271 272 if (uiaa->uiaa_vendor == USB_VENDOR_HOSIDEN && 273 uiaa->uiaa_product == USB_PRODUCT_HOSIDEN_PPP) { 274 static uByte reportbuf[] = { 1 }; 275 /* 276 * This device was sold by Konami with its ParaParaParadise 277 * game for PlayStation2. It needs to be "turned on" 278 * before it will send any reports. 279 */ 280 281 usbd_set_report(uiaa->uiaa_iface, UHID_FEATURE_REPORT, 0, 282 &reportbuf, sizeof(reportbuf)); 283 } 284 285 if (uiaa->uiaa_vendor == USB_VENDOR_LOGITECH && 286 uiaa->uiaa_product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 287 uint8_t *data = desc; 288 /* 289 * This device has a odd USAGE_MINIMUM value that would 290 * cause the multimedia keys to have their usage number 291 * shifted up one usage. Adjust so the usages are sane. 292 */ 293 294 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 295 data[0x58] == 0x2a && data[0x59] == 0x8c) 296 data[0x57] = 0x00; 297 } 298 299 /* 300 * Enable the Six Axis and DualShock 3 controllers. 301 * See http://ps3.jim.sh/sixaxis/usb/ 302 */ 303 if (uiaa->uiaa_vendor == USB_VENDOR_SONY && 304 uiaa->uiaa_product == USB_PRODUCT_SONY_PS3CONTROLLER) { 305 usb_device_request_t req; 306 char data[17]; 307 int actlen; 308 309 req.bmRequestType = UT_READ_CLASS_INTERFACE; 310 req.bRequest = 1; 311 USETW(req.wValue, 0x3f2); 312 USETW(req.wIndex, 0); 313 USETW(req.wLength, sizeof(data)); 314 315 usbd_do_request_flags(sc->sc_udev, &req, data, 316 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 317 } 318 319 sc->sc_repdesc = desc; 320 sc->sc_repdesc_size = size; 321 322 uha.uiaa = uiaa; 323 nrepid = uhidev_maxrepid(desc, size); 324 if (nrepid < 0) 325 return; 326 if (nrepid > 0) 327 aprint_normal_dev(self, "%d report ids\n", nrepid); 328 nrepid++; 329 repsizes = kmem_alloc(nrepid * sizeof(*repsizes), KM_SLEEP); 330 sc->sc_subdevs = kmem_zalloc(nrepid * sizeof(device_t), 331 KM_SLEEP); 332 333 /* Just request max packet size for the interrupt pipe */ 334 sc->sc_isize = maxinpktsize; 335 sc->sc_nrepid = nrepid; 336 337 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 338 339 for (repid = 0; repid < nrepid; repid++) { 340 repsz = hid_report_size(desc, size, hid_input, repid); 341 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 342 repsizes[repid] = repsz; 343 } 344 345 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 346 347 uha.parent = sc; 348 for (repid = 0; repid < nrepid; repid++) { 349 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 350 if (hid_report_size(desc, size, hid_input, repid) == 0 && 351 hid_report_size(desc, size, hid_output, repid) == 0 && 352 hid_report_size(desc, size, hid_feature, repid) == 0) { 353 ; /* already NULL in sc->sc_subdevs[repid] */ 354 } else { 355 uha.reportid = repid; 356 locs[UHIDBUSCF_REPORTID] = repid; 357 358 dev = config_found_sm_loc(self, 359 "uhidbus", locs, &uha, 360 uhidevprint, config_stdsubmatch); 361 sc->sc_subdevs[repid] = dev; 362 if (dev != NULL) { 363 csc = device_private(dev); 364 csc->sc_in_rep_size = repsizes[repid]; 365 #ifdef DIAGNOSTIC 366 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 367 repid, dev)); 368 if (csc->sc_intr == NULL) { 369 kmem_free(repsizes, 370 nrepid * sizeof(*repsizes)); 371 aprint_error_dev(self, 372 "sc_intr == NULL\n"); 373 return; 374 } 375 #endif 376 rnd_attach_source(&csc->rnd_source, 377 device_xname(dev), 378 RND_TYPE_TTY, 379 RND_FLAG_DEFAULT); 380 } 381 } 382 } 383 kmem_free(repsizes, nrepid * sizeof(*repsizes)); 384 385 return; 386 } 387 388 int 389 uhidev_maxrepid(void *buf, int len) 390 { 391 struct hid_data *d; 392 struct hid_item h; 393 int maxid; 394 395 maxid = -1; 396 h.report_ID = 0; 397 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 398 if ((int)h.report_ID > maxid) 399 maxid = h.report_ID; 400 hid_end_parse(d); 401 return maxid; 402 } 403 404 int 405 uhidevprint(void *aux, const char *pnp) 406 { 407 struct uhidev_attach_arg *uha = aux; 408 409 if (pnp) 410 aprint_normal("uhid at %s", pnp); 411 if (uha->reportid != 0) 412 aprint_normal(" reportid %d", uha->reportid); 413 return UNCONF; 414 } 415 416 int 417 uhidev_activate(device_t self, enum devact act) 418 { 419 struct uhidev_softc *sc = device_private(self); 420 421 switch (act) { 422 case DVACT_DEACTIVATE: 423 sc->sc_dying = 1; 424 return 0; 425 default: 426 return EOPNOTSUPP; 427 } 428 } 429 430 void 431 uhidev_childdet(device_t self, device_t child) 432 { 433 int i; 434 struct uhidev_softc *sc = device_private(self); 435 436 for (i = 0; i < sc->sc_nrepid; i++) { 437 if (sc->sc_subdevs[i] == child) 438 break; 439 } 440 KASSERT(i < sc->sc_nrepid); 441 sc->sc_subdevs[i] = NULL; 442 } 443 444 int 445 uhidev_detach(device_t self, int flags) 446 { 447 struct uhidev_softc *sc = device_private(self); 448 int i, rv; 449 struct uhidev *csc; 450 451 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 452 453 sc->sc_dying = 1; 454 if (sc->sc_ipipe != NULL) 455 usbd_abort_pipe(sc->sc_ipipe); 456 457 if (sc->sc_repdesc != NULL) 458 kmem_free(sc->sc_repdesc, sc->sc_repdesc_size); 459 460 rv = 0; 461 for (i = 0; i < sc->sc_nrepid; i++) { 462 if (sc->sc_subdevs[i] != NULL) { 463 csc = device_private(sc->sc_subdevs[i]); 464 rnd_detach_source(&csc->rnd_source); 465 rv |= config_detach(sc->sc_subdevs[i], flags); 466 } 467 } 468 469 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 470 471 pmf_device_deregister(self); 472 mutex_destroy(&sc->sc_lock); 473 474 return rv; 475 } 476 477 void 478 uhidev_intr(struct usbd_xfer *xfer, void *addr, usbd_status status) 479 { 480 struct uhidev_softc *sc = addr; 481 device_t cdev; 482 struct uhidev *scd; 483 u_char *p; 484 u_int rep; 485 uint32_t cc; 486 487 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 488 489 #ifdef UHIDEV_DEBUG 490 if (uhidevdebug > 5) { 491 uint32_t i; 492 493 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 494 DPRINTF(("uhidev_intr: data =")); 495 for (i = 0; i < cc; i++) 496 DPRINTF((" %02x", sc->sc_ibuf[i])); 497 DPRINTF(("\n")); 498 } 499 #endif 500 501 if (status == USBD_CANCELLED) 502 return; 503 504 if (status != USBD_NORMAL_COMPLETION) { 505 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 506 status)); 507 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 508 return; 509 } 510 511 p = sc->sc_ibuf; 512 if (sc->sc_nrepid != 1) 513 rep = *p++, cc--; 514 else 515 rep = 0; 516 if (rep >= sc->sc_nrepid) { 517 printf("uhidev_intr: bad repid %d\n", rep); 518 return; 519 } 520 cdev = sc->sc_subdevs[rep]; 521 if (!cdev) 522 return; 523 scd = device_private(cdev); 524 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 525 rep, scd, scd ? scd->sc_state : 0)); 526 if (!(scd->sc_state & UHIDEV_OPEN)) 527 return; 528 #ifdef UHIDEV_DEBUG 529 if (scd->sc_in_rep_size != cc) { 530 DPRINTF(("%s: expected %d bytes, got %d\n", 531 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 532 } 533 #endif 534 if (cc == 0) { 535 DPRINTF(("%s: 0-length input ignored\n", 536 device_xname(sc->sc_dev))); 537 return; 538 } 539 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 540 scd->sc_intr(scd, p, cc); 541 } 542 543 void 544 uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 545 { 546 *desc = sc->sc_repdesc; 547 *size = sc->sc_repdesc_size; 548 } 549 550 int 551 uhidev_open(struct uhidev *scd) 552 { 553 struct uhidev_softc *sc = scd->sc_parent; 554 usbd_status err; 555 int error; 556 557 DPRINTF(("uhidev_open: open pipe, state=%d\n", scd->sc_state)); 558 559 mutex_enter(&sc->sc_lock); 560 if (scd->sc_state & UHIDEV_OPEN) { 561 mutex_exit(&sc->sc_lock); 562 return EBUSY; 563 } 564 scd->sc_state |= UHIDEV_OPEN; 565 if (sc->sc_refcnt++) { 566 mutex_exit(&sc->sc_lock); 567 return 0; 568 } 569 mutex_exit(&sc->sc_lock); 570 571 if (sc->sc_isize == 0) 572 return 0; 573 574 sc->sc_ibuf = kmem_alloc(sc->sc_isize, KM_SLEEP); 575 576 /* Set up input interrupt pipe. */ 577 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 578 sc->sc_iep_addr)); 579 580 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 581 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 582 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 583 if (err != USBD_NORMAL_COMPLETION) { 584 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 585 "error=%d\n", err)); 586 error = EIO; 587 goto out1; 588 } 589 590 /* 591 * Set up output interrupt pipe if an output interrupt endpoint 592 * exists. 593 */ 594 if (sc->sc_oep_addr != -1) { 595 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 596 597 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 598 0, &sc->sc_opipe); 599 600 if (err != USBD_NORMAL_COMPLETION) { 601 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 602 "error=%d\n", err)); 603 error = EIO; 604 goto out2; 605 } 606 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 607 608 error = usbd_create_xfer(sc->sc_opipe, UHIDEV_OSIZE, 0, 0, 609 &sc->sc_oxfer); 610 if (error) { 611 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 612 goto out3; 613 } 614 615 if (sc->sc_flags & UHIDEV_F_XB1) { 616 uint8_t init_data[] = { 0x05, 0x20 }; 617 int init_data_len = sizeof(init_data); 618 err = usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 619 USBD_NO_TIMEOUT, init_data, &init_data_len); 620 if (err != USBD_NORMAL_COMPLETION) { 621 DPRINTF(("uhidev_open: xb1 init failed, " 622 "error=%d\n", err)); 623 error = EIO; 624 goto out4; 625 } 626 } 627 } 628 629 return 0; 630 out4: 631 /* Free output xfer */ 632 if (sc->sc_oxfer != NULL) 633 usbd_destroy_xfer(sc->sc_oxfer); 634 out3: 635 /* Abort output pipe */ 636 usbd_close_pipe(sc->sc_opipe); 637 out2: 638 /* Abort input pipe */ 639 usbd_close_pipe(sc->sc_ipipe); 640 out1: 641 DPRINTF(("uhidev_open: failed in someway")); 642 kmem_free(sc->sc_ibuf, sc->sc_isize); 643 mutex_enter(&sc->sc_lock); 644 scd->sc_state &= ~UHIDEV_OPEN; 645 sc->sc_refcnt = 0; 646 sc->sc_ibuf = NULL; 647 sc->sc_ipipe = NULL; 648 sc->sc_opipe = NULL; 649 sc->sc_oxfer = NULL; 650 mutex_exit(&sc->sc_lock); 651 return error; 652 } 653 654 void 655 uhidev_stop(struct uhidev *scd) 656 { 657 struct uhidev_softc *sc = scd->sc_parent; 658 659 /* Disable interrupts. */ 660 if (sc->sc_opipe != NULL) { 661 usbd_abort_pipe(sc->sc_opipe); 662 usbd_close_pipe(sc->sc_opipe); 663 sc->sc_opipe = NULL; 664 } 665 666 if (sc->sc_ipipe != NULL) { 667 usbd_abort_pipe(sc->sc_ipipe); 668 usbd_close_pipe(sc->sc_ipipe); 669 sc->sc_ipipe = NULL; 670 } 671 672 if (sc->sc_ibuf != NULL) { 673 kmem_free(sc->sc_ibuf, sc->sc_isize); 674 sc->sc_ibuf = NULL; 675 } 676 } 677 678 void 679 uhidev_close(struct uhidev *scd) 680 { 681 struct uhidev_softc *sc = scd->sc_parent; 682 683 mutex_enter(&sc->sc_lock); 684 if (!(scd->sc_state & UHIDEV_OPEN)) { 685 mutex_exit(&sc->sc_lock); 686 return; 687 } 688 scd->sc_state &= ~UHIDEV_OPEN; 689 if (--sc->sc_refcnt) { 690 mutex_exit(&sc->sc_lock); 691 return; 692 } 693 mutex_exit(&sc->sc_lock); 694 695 DPRINTF(("uhidev_close: close pipe\n")); 696 697 if (sc->sc_oxfer != NULL) { 698 usbd_destroy_xfer(sc->sc_oxfer); 699 sc->sc_oxfer = NULL; 700 } 701 702 703 /* Possibly redundant, but properly handled */ 704 uhidev_stop(scd); 705 } 706 707 usbd_status 708 uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 709 { 710 char *buf; 711 usbd_status retstat; 712 713 if (scd->sc_report_id == 0) 714 return usbd_set_report(scd->sc_parent->sc_iface, type, 715 scd->sc_report_id, data, len); 716 717 buf = kmem_alloc(len + 1, KM_SLEEP); 718 buf[0] = scd->sc_report_id; 719 memcpy(buf+1, data, len); 720 721 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 722 scd->sc_report_id, buf, len + 1); 723 724 kmem_free(buf, len + 1); 725 726 return retstat; 727 } 728 729 usbd_status 730 uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 731 { 732 return usbd_get_report(scd->sc_parent->sc_iface, type, 733 scd->sc_report_id, data, len); 734 } 735 736 usbd_status 737 uhidev_write(struct uhidev_softc *sc, void *data, int len) 738 { 739 740 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 741 742 if (sc->sc_opipe == NULL) 743 return USBD_INVAL; 744 745 #ifdef UHIDEV_DEBUG 746 if (uhidevdebug > 50) { 747 748 uint32_t i; 749 uint8_t *d = data; 750 751 DPRINTF(("uhidev_write: data =")); 752 for (i = 0; i < len; i++) 753 DPRINTF((" %02x", d[i])); 754 DPRINTF(("\n")); 755 } 756 #endif 757 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, USBD_NO_TIMEOUT, 758 data, &len); 759 } 760