1/* $NetBSD: uhidev.c,v 1.54 2011/12/23 00:51:46 jakllsch Exp $ */ 2 3/* 4 * Copyright (c) 2001 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. 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 1.54 2011/12/23 00:51:46 jakllsch 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 49#include <dev/usb/usb.h> 50#include <dev/usb/usbhid.h> 51 52#include <dev/usb/usbdevs.h> 53#include <dev/usb/usbdi.h> 54#include <dev/usb/usbdi_util.h> 55#include <dev/usb/hid.h> 56#include <dev/usb/usb_quirks.h> 57 58#include <dev/usb/uhidev.h> 59 60/* Report descriptor for broken Wacom Graphire */ 61#include <dev/usb/ugraphire_rdesc.h> 62/* Report descriptor for game controllers in "XInput" mode */ 63#include <dev/usb/xinput_rdesc.h> 64 65#include "locators.h" 66 67#ifdef UHIDEV_DEBUG 68#define DPRINTF(x) if (uhidevdebug) printf x 69#define DPRINTFN(n,x) if (uhidevdebug>(n)) printf x 70int uhidevdebug = 0; 71#else 72#define DPRINTF(x) 73#define DPRINTFN(n,x) 74#endif 75 76Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 77 78Static int uhidev_maxrepid(void *, int); 79Static int uhidevprint(void *, const char *); 80 81int uhidev_match(device_t, cfdata_t, void *); 82void uhidev_attach(device_t, device_t, void *); 83void uhidev_childdet(device_t, device_t); 84int uhidev_detach(device_t, int); 85int uhidev_activate(device_t, enum devact); 86extern struct cfdriver uhidev_cd; 87CFATTACH_DECL2_NEW(uhidev, sizeof(struct uhidev_softc), uhidev_match, 88 uhidev_attach, uhidev_detach, uhidev_activate, NULL, uhidev_childdet); 89 90int 91uhidev_match(device_t parent, cfdata_t match, void *aux) 92{ 93 struct usbif_attach_arg *uaa = aux; 94 95 /* Game controllers in "XInput" mode */ 96 if (USBIF_IS_XINPUT(uaa)) 97 return UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO; 98 if (uaa->class != UICLASS_HID) 99 return (UMATCH_NONE); 100 if (usbd_get_quirks(uaa->device)->uq_flags & UQ_HID_IGNORE) 101 return (UMATCH_NONE); 102 return (UMATCH_IFACECLASS_GENERIC); 103} 104 105void 106uhidev_attach(device_t parent, device_t self, void *aux) 107{ 108 struct uhidev_softc *sc = device_private(self); 109 struct usbif_attach_arg *uaa = aux; 110 usbd_interface_handle iface = uaa->iface; 111 usb_interface_descriptor_t *id; 112 usb_endpoint_descriptor_t *ed; 113 struct uhidev_attach_arg uha; 114 device_t dev; 115 struct uhidev *csc; 116 int maxinpktsize, size, nrepid, repid, repsz; 117 int *repsizes; 118 int i; 119 void *desc; 120 const void *descptr; 121 usbd_status err; 122 char *devinfop; 123 int locs[UHIDBUSCF_NLOCS]; 124 125 sc->sc_dev = self; 126 sc->sc_udev = uaa->device; 127 sc->sc_iface = iface; 128 129 aprint_naive("\n"); 130 aprint_normal("\n"); 131 132 id = usbd_get_interface_descriptor(iface); 133 134 devinfop = usbd_devinfo_alloc(uaa->device, 0); 135 aprint_normal_dev(self, "%s, iclass %d/%d\n", 136 devinfop, id->bInterfaceClass, id->bInterfaceSubClass); 137 usbd_devinfo_free(devinfop); 138 139 if (!pmf_device_register(self, NULL, NULL)) 140 aprint_error_dev(self, "couldn't establish power handler\n"); 141 142 (void)usbd_set_idle(iface, 0, 0); 143#if 0 144 145 qflags = usbd_get_quirks(sc->sc_udev)->uq_flags; 146 if ((qflags & UQ_NO_SET_PROTO) == 0 && 147 id->bInterfaceSubClass != UISUBCLASS_BOOT) 148 (void)usbd_set_protocol(iface, 1); 149#endif 150 151 maxinpktsize = 0; 152 sc->sc_iep_addr = sc->sc_oep_addr = -1; 153 for (i = 0; i < id->bNumEndpoints; i++) { 154 ed = usbd_interface2endpoint_descriptor(iface, i); 155 if (ed == NULL) { 156 aprint_error_dev(self, 157 "could not read endpoint descriptor\n"); 158 sc->sc_dying = 1; 159 return; 160 } 161 162 DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d " 163 "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d" 164 " bInterval=%d\n", 165 ed->bLength, ed->bDescriptorType, 166 ed->bEndpointAddress & UE_ADDR, 167 UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out", 168 ed->bmAttributes & UE_XFERTYPE, 169 UGETW(ed->wMaxPacketSize), ed->bInterval)); 170 171 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 172 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 173 maxinpktsize = UGETW(ed->wMaxPacketSize); 174 sc->sc_iep_addr = ed->bEndpointAddress; 175 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 176 (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 177 sc->sc_oep_addr = ed->bEndpointAddress; 178 } else { 179 aprint_verbose_dev(self, "endpoint %d: ignored\n", i); 180 } 181 } 182 183 /* 184 * Check that we found an input interrupt endpoint. The output interrupt 185 * endpoint is optional 186 */ 187 if (sc->sc_iep_addr == -1) { 188 aprint_error_dev(self, "no input interrupt endpoint\n"); 189 sc->sc_dying = 1; 190 return; 191 } 192 193 /* XXX need to extend this */ 194 descptr = NULL; 195 if (uaa->vendor == USB_VENDOR_WACOM) { 196 static uByte reportbuf[] = {2, 2, 2}; 197 198 /* The report descriptor for the Wacom Graphire is broken. */ 199 switch (uaa->product) { 200 case USB_PRODUCT_WACOM_GRAPHIRE: 201 case USB_PRODUCT_WACOM_GRAPHIRE2: 202 case USB_PRODUCT_WACOM_GRAPHIRE3_4X5: 203 case USB_PRODUCT_WACOM_GRAPHIRE3_6X8: 204 case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */ 205 /* 206 * The Graphire3 needs 0x0202 to be written to 207 * feature report ID 2 before it'll start 208 * returning digitizer data. 209 */ 210 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2, 211 &reportbuf, sizeof reportbuf); 212 213 size = sizeof uhid_graphire3_4x5_report_descr; 214 descptr = uhid_graphire3_4x5_report_descr; 215 break; 216 default: 217 /* Keep descriptor */ 218 break; 219 } 220 } 221 if (USBIF_IS_XINPUT(uaa)) { 222 size = sizeof uhid_xinput_report_descr; 223 descptr = uhid_xinput_report_descr; 224 } 225 226 if (descptr) { 227 desc = malloc(size, M_USBDEV, M_NOWAIT); 228 if (desc == NULL) 229 err = USBD_NOMEM; 230 else { 231 err = USBD_NORMAL_COMPLETION; 232 memcpy(desc, descptr, size); 233 } 234 } else { 235 desc = NULL; 236 err = usbd_read_report_desc(uaa->iface, &desc, &size, 237 M_USBDEV); 238 } 239 if (err) { 240 aprint_error_dev(self, "no report descriptor\n"); 241 sc->sc_dying = 1; 242 return; 243 } 244 245 if (uaa->vendor == USB_VENDOR_HOSIDEN && 246 uaa->product == USB_PRODUCT_HOSIDEN_PPP) { 247 static uByte reportbuf[] = { 1 }; 248 /* 249 * This device was sold by Konami with its ParaParaParadise 250 * game for PlayStation2. It needs to be "turned on" 251 * before it will send any reports. 252 */ 253 254 usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0, 255 &reportbuf, sizeof reportbuf); 256 } 257 258 if (uaa->vendor == USB_VENDOR_LOGITECH && 259 uaa->product == USB_PRODUCT_LOGITECH_CBT44 && size == 0xb1) { 260 uint8_t *data = desc; 261 /* 262 * This device has a odd USAGE_MINIMUM value that would 263 * cause the multimedia keys to have their usage number 264 * shifted up one usage. Adjust so the usages are sane. 265 */ 266 267 if (data[0x56] == 0x19 && data[0x57] == 0x01 && 268 data[0x58] == 0x2a && data[0x59] == 0x8c) 269 data[0x57] = 0x00; 270 } 271 272 /* 273 * Enable the Six Axis and DualShock 3 controllers. 274 * See http://ps3.jim.sh/sixaxis/usb/ 275 */ 276 if (uaa->vendor == USB_VENDOR_SONY && 277 uaa->product == USB_PRODUCT_SONY_PS3CONTROLLER) { 278 usb_device_request_t req; 279 char data[17]; 280 int actlen; 281 282 req.bmRequestType = UT_READ_CLASS_INTERFACE; 283 req.bRequest = 1; 284 USETW(req.wValue, 0x3f2); 285 USETW(req.wIndex, 0); 286 USETW(req.wLength, sizeof data); 287 288 usbd_do_request_flags(sc->sc_udev, &req, data, 289 USBD_SHORT_XFER_OK, &actlen, USBD_DEFAULT_TIMEOUT); 290 } 291 292 sc->sc_repdesc = desc; 293 sc->sc_repdesc_size = size; 294 295 uha.uaa = uaa; 296 nrepid = uhidev_maxrepid(desc, size); 297 if (nrepid < 0) 298 return; 299 if (nrepid > 0) 300 aprint_normal_dev(self, "%d report ids\n", nrepid); 301 nrepid++; 302 repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT); 303 if (repsizes == NULL) 304 goto nomem; 305 sc->sc_subdevs = malloc(nrepid * sizeof(device_t), 306 M_USBDEV, M_NOWAIT | M_ZERO); 307 if (sc->sc_subdevs == NULL) { 308 free(repsizes, M_TEMP); 309nomem: 310 aprint_error_dev(self, "no memory\n"); 311 return; 312 } 313 314 /* Just request max packet size for the interrupt pipe */ 315 sc->sc_isize = maxinpktsize; 316 sc->sc_nrepid = nrepid; 317 318 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 319 sc->sc_dev); 320 321 for (repid = 0; repid < nrepid; repid++) { 322 repsz = hid_report_size(desc, size, hid_input, repid); 323 DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz)); 324 repsizes[repid] = repsz; 325 } 326 327 DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize)); 328 329 uha.parent = sc; 330 for (repid = 0; repid < nrepid; repid++) { 331 DPRINTF(("uhidev_match: try repid=%d\n", repid)); 332 if (hid_report_size(desc, size, hid_input, repid) == 0 && 333 hid_report_size(desc, size, hid_output, repid) == 0 && 334 hid_report_size(desc, size, hid_feature, repid) == 0) { 335 ; /* already NULL in sc->sc_subdevs[repid] */ 336 } else { 337 uha.reportid = repid; 338 locs[UHIDBUSCF_REPORTID] = repid; 339 340 dev = config_found_sm_loc(self, 341 "uhidbus", locs, &uha, 342 uhidevprint, config_stdsubmatch); 343 sc->sc_subdevs[repid] = dev; 344 if (dev != NULL) { 345 csc = device_private(dev); 346 csc->sc_in_rep_size = repsizes[repid]; 347#ifdef DIAGNOSTIC 348 DPRINTF(("uhidev_match: repid=%d dev=%p\n", 349 repid, dev)); 350 if (csc->sc_intr == NULL) { 351 free(repsizes, M_TEMP); 352 aprint_error_dev(self, 353 "sc_intr == NULL\n"); 354 return; 355 } 356#endif 357 rnd_attach_source(&csc->rnd_source, 358 device_xname(dev), 359 RND_TYPE_TTY, 0); 360 } 361 } 362 } 363 free(repsizes, M_TEMP); 364 365 return; 366} 367 368int 369uhidev_maxrepid(void *buf, int len) 370{ 371 struct hid_data *d; 372 struct hid_item h; 373 int maxid; 374 375 maxid = -1; 376 h.report_ID = 0; 377 for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); ) 378 if (h.report_ID > maxid) 379 maxid = h.report_ID; 380 hid_end_parse(d); 381 return (maxid); 382} 383 384int 385uhidevprint(void *aux, const char *pnp) 386{ 387 struct uhidev_attach_arg *uha = aux; 388 389 if (pnp) 390 aprint_normal("uhid at %s", pnp); 391 if (uha->reportid != 0) 392 aprint_normal(" reportid %d", uha->reportid); 393 return (UNCONF); 394} 395 396int 397uhidev_activate(device_t self, enum devact act) 398{ 399 struct uhidev_softc *sc = device_private(self); 400 401 switch (act) { 402 case DVACT_DEACTIVATE: 403 sc->sc_dying = 1; 404 return 0; 405 default: 406 return EOPNOTSUPP; 407 } 408} 409 410void 411uhidev_childdet(device_t self, device_t child) 412{ 413 int i; 414 struct uhidev_softc *sc = device_private(self); 415 416 for (i = 0; i < sc->sc_nrepid; i++) { 417 if (sc->sc_subdevs[i] == child) 418 break; 419 } 420 KASSERT(i < sc->sc_nrepid); 421 sc->sc_subdevs[i] = NULL; 422} 423 424int 425uhidev_detach(device_t self, int flags) 426{ 427 struct uhidev_softc *sc = device_private(self); 428 int i, rv; 429 struct uhidev *csc; 430 431 DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags)); 432 433 sc->sc_dying = 1; 434 if (sc->sc_ipipe != NULL) 435 usbd_abort_pipe(sc->sc_ipipe); 436 437 if (sc->sc_repdesc != NULL) 438 free(sc->sc_repdesc, M_USBDEV); 439 440 rv = 0; 441 for (i = 0; i < sc->sc_nrepid; i++) { 442 if (sc->sc_subdevs[i] != NULL) { 443 csc = device_private(sc->sc_subdevs[i]); 444 rnd_detach_source(&csc->rnd_source); 445 rv |= config_detach(sc->sc_subdevs[i], flags); 446 } 447 } 448 449 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 450 sc->sc_dev); 451 452 pmf_device_deregister(self); 453 454 return (rv); 455} 456 457void 458uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status) 459{ 460 struct uhidev_softc *sc = addr; 461 device_t cdev; 462 struct uhidev *scd; 463 u_char *p; 464 u_int rep; 465 u_int32_t cc; 466 467 usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL); 468 469#ifdef UHIDEV_DEBUG 470 if (uhidevdebug > 5) { 471 u_int32_t i; 472 473 DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc)); 474 DPRINTF(("uhidev_intr: data =")); 475 for (i = 0; i < cc; i++) 476 DPRINTF((" %02x", sc->sc_ibuf[i])); 477 DPRINTF(("\n")); 478 } 479#endif 480 481 if (status == USBD_CANCELLED) 482 return; 483 484 if (status != USBD_NORMAL_COMPLETION) { 485 DPRINTF(("%s: interrupt status=%d\n", device_xname(sc->sc_dev), 486 status)); 487 usbd_clear_endpoint_stall_async(sc->sc_ipipe); 488 return; 489 } 490 491 p = sc->sc_ibuf; 492 if (sc->sc_nrepid != 1) 493 rep = *p++, cc--; 494 else 495 rep = 0; 496 if (rep >= sc->sc_nrepid) { 497 printf("uhidev_intr: bad repid %d\n", rep); 498 return; 499 } 500 cdev = sc->sc_subdevs[rep]; 501 if (!cdev) 502 return; 503 scd = device_private(cdev); 504 DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n", 505 rep, scd, scd ? scd->sc_state : 0)); 506 if (!(scd->sc_state & UHIDEV_OPEN)) 507 return; 508#ifdef UHIDEV_DEBUG 509 if (scd->sc_in_rep_size != cc) { 510 DPRINTF(("%s: expected %d bytes, got %d\n", 511 device_xname(sc->sc_dev), scd->sc_in_rep_size, cc)); 512 } 513#endif 514 if (cc == 0) { 515 DPRINTF(("%s: 0-length input ignored\n", 516 device_xname(sc->sc_dev))); 517 return; 518 } 519 rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf)); 520 scd->sc_intr(scd, p, cc); 521} 522 523void 524uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size) 525{ 526 *desc = sc->sc_repdesc; 527 *size = sc->sc_repdesc_size; 528} 529 530int 531uhidev_open(struct uhidev *scd) 532{ 533 struct uhidev_softc *sc = scd->sc_parent; 534 usbd_status err; 535 int error; 536 537 DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n", 538 scd->sc_state, sc->sc_refcnt)); 539 540 if (scd->sc_state & UHIDEV_OPEN) 541 return (EBUSY); 542 scd->sc_state |= UHIDEV_OPEN; 543 if (sc->sc_refcnt++) 544 return (0); 545 546 if (sc->sc_isize == 0) 547 return (0); 548 549 sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); 550 551 /* Set up input interrupt pipe. */ 552 DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize, 553 sc->sc_iep_addr)); 554 555 err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr, 556 USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf, 557 sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL); 558 if (err != USBD_NORMAL_COMPLETION) { 559 DPRINTF(("uhidopen: usbd_open_pipe_intr failed, " 560 "error=%d\n", err)); 561 error = EIO; 562 goto out1; 563 } 564 565 /* 566 * Set up output interrupt pipe if an output interrupt endpoint 567 * exists. 568 */ 569 if (sc->sc_oep_addr != -1) { 570 DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr)); 571 572 err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr, 573 0, &sc->sc_opipe); 574 575 if (err != USBD_NORMAL_COMPLETION) { 576 DPRINTF(("uhidev_open: usbd_open_pipe failed, " 577 "error=%d\n", err)); 578 error = EIO; 579 goto out2; 580 } 581 DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe)); 582 583 sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev); 584 if (sc->sc_oxfer == NULL) { 585 DPRINTF(("uhidev_open: couldn't allocate an xfer\n")); 586 error = ENOMEM; 587 goto out3; 588 } 589 } 590 591 return (0); 592out3: 593 /* Abort output pipe */ 594 usbd_close_pipe(sc->sc_opipe); 595out2: 596 /* Abort input pipe */ 597 usbd_close_pipe(sc->sc_ipipe); 598out1: 599 DPRINTF(("uhidev_open: failed in someway")); 600 free(sc->sc_ibuf, M_USBDEV); 601 scd->sc_state &= ~UHIDEV_OPEN; 602 sc->sc_refcnt = 0; 603 sc->sc_ipipe = NULL; 604 sc->sc_opipe = NULL; 605 sc->sc_oxfer = NULL; 606 return error; 607} 608 609void 610uhidev_close(struct uhidev *scd) 611{ 612 struct uhidev_softc *sc = scd->sc_parent; 613 614 if (!(scd->sc_state & UHIDEV_OPEN)) 615 return; 616 scd->sc_state &= ~UHIDEV_OPEN; 617 if (--sc->sc_refcnt) 618 return; 619 DPRINTF(("uhidev_close: close pipe\n")); 620 621 if (sc->sc_oxfer != NULL) 622 usbd_free_xfer(sc->sc_oxfer); 623 624 /* Disable interrupts. */ 625 if (sc->sc_opipe != NULL) { 626 usbd_abort_pipe(sc->sc_opipe); 627 usbd_close_pipe(sc->sc_opipe); 628 sc->sc_opipe = NULL; 629 } 630 631 if (sc->sc_ipipe != NULL) { 632 usbd_abort_pipe(sc->sc_ipipe); 633 usbd_close_pipe(sc->sc_ipipe); 634 sc->sc_ipipe = NULL; 635 } 636 637 if (sc->sc_ibuf != NULL) { 638 free(sc->sc_ibuf, M_USBDEV); 639 sc->sc_ibuf = NULL; 640 } 641} 642 643usbd_status 644uhidev_set_report(struct uhidev *scd, int type, void *data, int len) 645{ 646 char *buf; 647 usbd_status retstat; 648 649 if (scd->sc_report_id == 0) 650 return usbd_set_report(scd->sc_parent->sc_iface, type, 651 scd->sc_report_id, data, len); 652 653 buf = malloc(len + 1, M_TEMP, M_WAITOK); 654 buf[0] = scd->sc_report_id; 655 memcpy(buf+1, data, len); 656 657 retstat = usbd_set_report(scd->sc_parent->sc_iface, type, 658 scd->sc_report_id, buf, len + 1); 659 660 free(buf, M_TEMP); 661 662 return retstat; 663} 664 665void 666uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len) 667{ 668 /* XXX */ 669 char buf[100]; 670 if (scd->sc_report_id) { 671 buf[0] = scd->sc_report_id; 672 memcpy(buf+1, data, len); 673 len++; 674 data = buf; 675 } 676 677 usbd_set_report_async(scd->sc_parent->sc_iface, type, 678 scd->sc_report_id, data, len); 679} 680 681usbd_status 682uhidev_get_report(struct uhidev *scd, int type, void *data, int len) 683{ 684 return usbd_get_report(scd->sc_parent->sc_iface, type, 685 scd->sc_report_id, data, len); 686} 687 688usbd_status 689uhidev_write(struct uhidev_softc *sc, void *data, int len) 690{ 691 692 DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len)); 693 694 if (sc->sc_opipe == NULL) 695 return USBD_INVAL; 696 697#ifdef UHIDEV_DEBUG 698 if (uhidevdebug > 50) { 699 700 u_int32_t i; 701 u_int8_t *d = data; 702 703 DPRINTF(("uhidev_write: data =")); 704 for (i = 0; i < len; i++) 705 DPRINTF((" %02x", d[i])); 706 DPRINTF(("\n")); 707 } 708#endif 709 return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0, 710 USBD_NO_TIMEOUT, data, &len, "uhidevwi"); 711} 712