Annotation of sys/dev/usb/uhidev.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: uhidev.c,v 1.27 2007/06/14 10:11:16 mbalmer Exp $ */
! 2: /* $NetBSD: uhidev.c,v 1.14 2003/03/11 16:44:00 augustss Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 2001 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Lennart Augustsson (lennart@augustsson.net) at
! 10: * Carlstedt Research & Technology.
! 11: *
! 12: * Redistribution and use in source and binary forms, with or without
! 13: * modification, are permitted provided that the following conditions
! 14: * are met:
! 15: * 1. Redistributions of source code must retain the above copyright
! 16: * notice, this list of conditions and the following disclaimer.
! 17: * 2. Redistributions in binary form must reproduce the above copyright
! 18: * notice, this list of conditions and the following disclaimer in the
! 19: * documentation and/or other materials provided with the distribution.
! 20: * 3. All advertising materials mentioning features or use of this software
! 21: * must display the following acknowledgement:
! 22: * This product includes software developed by the NetBSD
! 23: * Foundation, Inc. and its contributors.
! 24: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 25: * contributors may be used to endorse or promote products derived
! 26: * from this software without specific prior written permission.
! 27: *
! 28: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 29: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 30: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 31: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 32: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 33: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 34: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 35: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 36: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 37: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 38: * POSSIBILITY OF SUCH DAMAGE.
! 39: */
! 40:
! 41: /*
! 42: * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
! 43: */
! 44:
! 45: #include <sys/param.h>
! 46: #include <sys/systm.h>
! 47: #include <sys/kernel.h>
! 48: #include <sys/malloc.h>
! 49: #include <sys/signalvar.h>
! 50: #include <sys/device.h>
! 51: #include <sys/ioctl.h>
! 52: #include <sys/conf.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:
! 68: #ifdef UHIDEV_DEBUG
! 69: #define DPRINTF(x) do { if (uhidevdebug) printf x; } while (0)
! 70: #define DPRINTFN(n,x) do { if (uhidevdebug>(n)) printf x; } while (0)
! 71: int uhidevdebug = 0;
! 72: #else
! 73: #define DPRINTF(x)
! 74: #define DPRINTFN(n,x)
! 75: #endif
! 76:
! 77: void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
! 78:
! 79: int uhidev_maxrepid(void *buf, int len);
! 80: int uhidevprint(void *aux, const char *pnp);
! 81: int uhidevsubmatch(struct device *parent, void *cf, void *aux);
! 82:
! 83: int uhidev_match(struct device *, void *, void *);
! 84: void uhidev_attach(struct device *, struct device *, void *);
! 85: int uhidev_detach(struct device *, int);
! 86: int uhidev_activate(struct device *, enum devact);
! 87:
! 88: struct cfdriver uhidev_cd = {
! 89: NULL, "uhidev", DV_DULL
! 90: };
! 91:
! 92: const struct cfattach uhidev_ca = {
! 93: sizeof(struct uhidev_softc),
! 94: uhidev_match,
! 95: uhidev_attach,
! 96: uhidev_detach,
! 97: uhidev_activate,
! 98: };
! 99:
! 100: int
! 101: uhidev_match(struct device *parent, void *match, void *aux)
! 102: {
! 103: struct usb_attach_arg *uaa = aux;
! 104: usb_interface_descriptor_t *id;
! 105:
! 106: if (uaa->iface == NULL)
! 107: return (UMATCH_NONE);
! 108: id = usbd_get_interface_descriptor(uaa->iface);
! 109: if (id == NULL || id->bInterfaceClass != UICLASS_HID)
! 110: return (UMATCH_NONE);
! 111: if (usbd_get_quirks(uaa->device)->uq_flags & UQ_BAD_HID)
! 112: return (UMATCH_NONE);
! 113: if (uaa->matchlvl)
! 114: return (uaa->matchlvl);
! 115:
! 116: #ifdef __macppc__
! 117: /*
! 118: * Some Apple laptops have USB phantom devices which match
! 119: * the ADB devices. We want to ignore them to avoid
! 120: * confusing users, as the real hardware underneath is adb
! 121: * and has already attached.
! 122: */
! 123: if (uaa->vendor == USB_VENDOR_APPLE &&
! 124: uaa->product == USB_PRODUCT_APPLE_ADB)
! 125: return (UMATCH_NONE);
! 126: #endif
! 127:
! 128: return (UMATCH_IFACECLASS_GENERIC);
! 129: }
! 130:
! 131: void
! 132: uhidev_attach(struct device *parent, struct device *self, void *aux)
! 133: {
! 134: struct uhidev_softc *sc = (struct uhidev_softc *)self;
! 135: struct usb_attach_arg *uaa = aux;
! 136: usbd_interface_handle iface = uaa->iface;
! 137: usb_interface_descriptor_t *id;
! 138: usb_endpoint_descriptor_t *ed;
! 139: struct uhidev_attach_arg uha;
! 140: struct uhidev *dev;
! 141: int size, nrepid, repid, repsz;
! 142: int repsizes[256];
! 143: int i;
! 144: void *desc;
! 145: const void *descptr;
! 146: usbd_status err;
! 147: char *devinfop;
! 148:
! 149: sc->sc_udev = uaa->device;
! 150: sc->sc_iface = iface;
! 151: id = usbd_get_interface_descriptor(iface);
! 152:
! 153: devinfop = usbd_devinfo_alloc(uaa->device, 0);
! 154: printf("\n%s: %s, iclass %d/%d\n", sc->sc_dev.dv_xname,
! 155: devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
! 156: usbd_devinfo_free(devinfop);
! 157:
! 158: (void)usbd_set_idle(iface, 0, 0);
! 159: #if 0
! 160:
! 161: qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
! 162: if ((qflags & UQ_NO_SET_PROTO) == 0 &&
! 163: id->bInterfaceSubClass != UISUBCLASS_BOOT)
! 164: (void)usbd_set_protocol(iface, 1);
! 165: #endif
! 166:
! 167: sc->sc_iep_addr = sc->sc_oep_addr = -1;
! 168: for (i = 0; i < id->bNumEndpoints; i++) {
! 169: ed = usbd_interface2endpoint_descriptor(iface, i);
! 170: if (ed == NULL) {
! 171: printf("%s: could not read endpoint descriptor\n",
! 172: sc->sc_dev.dv_xname);
! 173: sc->sc_dying = 1;
! 174: return;
! 175: }
! 176:
! 177: DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
! 178: "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
! 179: " bInterval=%d\n",
! 180: ed->bLength, ed->bDescriptorType,
! 181: ed->bEndpointAddress & UE_ADDR,
! 182: UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
! 183: ed->bmAttributes & UE_XFERTYPE,
! 184: UGETW(ed->wMaxPacketSize), ed->bInterval));
! 185:
! 186: if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
! 187: (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
! 188: sc->sc_iep_addr = ed->bEndpointAddress;
! 189: } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
! 190: (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
! 191: sc->sc_oep_addr = ed->bEndpointAddress;
! 192: } else {
! 193: printf("%s: unexpected endpoint\n", sc->sc_dev.dv_xname);
! 194: sc->sc_dying = 1;
! 195: return;
! 196: }
! 197: }
! 198:
! 199: /*
! 200: * Check that we found an input interrupt endpoint. The output interrupt
! 201: * endpoint is optional
! 202: */
! 203: if (sc->sc_iep_addr == -1) {
! 204: printf("%s: no input interrupt endpoint\n", sc->sc_dev.dv_xname);
! 205: sc->sc_dying = 1;
! 206: return;
! 207: }
! 208:
! 209: /* XXX need to extend this */
! 210: descptr = NULL;
! 211: if (uaa->vendor == USB_VENDOR_WACOM) {
! 212: static uByte reportbuf[] = {2, 2, 2};
! 213:
! 214: /* The report descriptor for the Wacom Graphire is broken. */
! 215: switch (uaa->product) {
! 216: case USB_PRODUCT_WACOM_GRAPHIRE:
! 217: size = sizeof uhid_graphire_report_descr;
! 218: descptr = uhid_graphire_report_descr;
! 219: break;
! 220: case USB_PRODUCT_WACOM_GRAPHIRE3_4X5:
! 221: case USB_PRODUCT_WACOM_GRAPHIRE4_4X5:
! 222: usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
! 223: &reportbuf, sizeof reportbuf);
! 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:
! 233: if (descptr) {
! 234: desc = malloc(size, M_USBDEV, M_NOWAIT);
! 235: if (desc == NULL)
! 236: err = USBD_NOMEM;
! 237: else {
! 238: err = USBD_NORMAL_COMPLETION;
! 239: memcpy(desc, descptr, size);
! 240: }
! 241: } else {
! 242: desc = NULL;
! 243: err = usbd_read_report_desc(uaa->iface, &desc, &size, M_USBDEV);
! 244: }
! 245: if (err) {
! 246: printf("%s: no report descriptor\n", sc->sc_dev.dv_xname);
! 247: sc->sc_dying = 1;
! 248: return;
! 249: }
! 250:
! 251: sc->sc_repdesc = desc;
! 252: sc->sc_repdesc_size = size;
! 253:
! 254: uha.uaa = uaa;
! 255: nrepid = uhidev_maxrepid(desc, size);
! 256: if (nrepid < 0)
! 257: return;
! 258: if (nrepid > 0)
! 259: printf("%s: %d report ids\n", sc->sc_dev.dv_xname, nrepid);
! 260: nrepid++;
! 261: sc->sc_subdevs = malloc(nrepid * sizeof(struct device *),
! 262: M_USBDEV, M_NOWAIT);
! 263: if (sc->sc_subdevs == NULL) {
! 264: printf("%s: no memory\n", sc->sc_dev.dv_xname);
! 265: return;
! 266: }
! 267: bzero(sc->sc_subdevs, nrepid * sizeof(struct device *));
! 268: sc->sc_nrepid = nrepid;
! 269: sc->sc_isize = 0;
! 270:
! 271: usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
! 272: &sc->sc_dev);
! 273:
! 274: for (repid = 0; repid < nrepid; repid++) {
! 275: repsz = hid_report_size(desc, size, hid_input, repid);
! 276: DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
! 277: repsizes[repid] = repsz;
! 278: if (repsz > 0) {
! 279: if (repsz > sc->sc_isize)
! 280: sc->sc_isize = repsz;
! 281: }
! 282: }
! 283: sc->sc_isize += nrepid != 1; /* space for report ID */
! 284: DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
! 285:
! 286: uha.parent = sc;
! 287: for (repid = 0; repid < nrepid; repid++) {
! 288: DPRINTF(("uhidev_match: try repid=%d\n", repid));
! 289: if (hid_report_size(desc, size, hid_input, repid) == 0 &&
! 290: hid_report_size(desc, size, hid_output, repid) == 0 &&
! 291: hid_report_size(desc, size, hid_feature, repid) == 0) {
! 292: ; /* already NULL in sc->sc_subdevs[repid] */
! 293: } else {
! 294: uha.reportid = repid;
! 295: dev = (struct uhidev *)config_found_sm(self, &uha,
! 296: uhidevprint, uhidevsubmatch);
! 297: sc->sc_subdevs[repid] = dev;
! 298: if (dev != NULL) {
! 299: dev->sc_in_rep_size = repsizes[repid];
! 300: #ifdef DIAGNOSTIC
! 301: DPRINTF(("uhidev_match: repid=%d dev=%p\n",
! 302: repid, dev));
! 303: if (dev->sc_intr == NULL) {
! 304: printf("%s: sc_intr == NULL\n",
! 305: sc->sc_dev.dv_xname);
! 306: return;
! 307: }
! 308: #endif
! 309: }
! 310: }
! 311: }
! 312: }
! 313:
! 314: int
! 315: uhidev_maxrepid(void *buf, int len)
! 316: {
! 317: struct hid_data *d;
! 318: struct hid_item h;
! 319: int maxid;
! 320:
! 321: maxid = -1;
! 322: h.report_ID = 0;
! 323: for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
! 324: if (h.report_ID > maxid)
! 325: maxid = h.report_ID;
! 326: hid_end_parse(d);
! 327: return (maxid);
! 328: }
! 329:
! 330: int
! 331: uhidevprint(void *aux, const char *pnp)
! 332: {
! 333: struct uhidev_attach_arg *uha = aux;
! 334:
! 335: if (pnp)
! 336: printf("uhid at %s", pnp);
! 337: if (uha->reportid != 0)
! 338: printf(" reportid %d", uha->reportid);
! 339: return (UNCONF);
! 340: }
! 341:
! 342: int uhidevsubmatch(struct device *parent, void *match, void *aux)
! 343: {
! 344: struct uhidev_attach_arg *uha = aux;
! 345: struct cfdata *cf = match;
! 346:
! 347: if (cf->uhidevcf_reportid != UHIDEV_UNK_REPORTID &&
! 348: cf->uhidevcf_reportid != uha->reportid)
! 349: return (0);
! 350: if (cf->uhidevcf_reportid == uha->reportid)
! 351: uha->matchlvl = UMATCH_VENDOR_PRODUCT;
! 352: else
! 353: uha->matchlvl = 0;
! 354: return ((*cf->cf_attach->ca_match)(parent, cf, aux));
! 355: }
! 356:
! 357: int
! 358: uhidev_activate(struct device *self, enum devact act)
! 359: {
! 360: struct uhidev_softc *sc = (struct uhidev_softc *)self;
! 361: int i, rv = 0;
! 362:
! 363: switch (act) {
! 364: case DVACT_ACTIVATE:
! 365: break;
! 366:
! 367: case DVACT_DEACTIVATE:
! 368: for (i = 0; i < sc->sc_nrepid; i++)
! 369: if (sc->sc_subdevs[i] != NULL)
! 370: rv |= config_deactivate(
! 371: &sc->sc_subdevs[i]->sc_dev);
! 372: sc->sc_dying = 1;
! 373: break;
! 374: }
! 375: return (rv);
! 376: }
! 377:
! 378: int
! 379: uhidev_detach(struct device *self, int flags)
! 380: {
! 381: struct uhidev_softc *sc = (struct uhidev_softc *)self;
! 382: int i, rv;
! 383:
! 384: DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
! 385:
! 386: sc->sc_dying = 1;
! 387: if (sc->sc_ipipe != NULL)
! 388: usbd_abort_pipe(sc->sc_ipipe);
! 389:
! 390: if (sc->sc_repdesc != NULL)
! 391: free(sc->sc_repdesc, M_USBDEV);
! 392:
! 393: rv = 0;
! 394: for (i = 0; i < sc->sc_nrepid; i++) {
! 395: if (sc->sc_subdevs[i] != NULL) {
! 396: rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags);
! 397: sc->sc_subdevs[i] = NULL;
! 398: }
! 399: }
! 400:
! 401: usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
! 402: &sc->sc_dev);
! 403:
! 404: return (rv);
! 405: }
! 406:
! 407: void
! 408: uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
! 409: {
! 410: struct uhidev_softc *sc = addr;
! 411: struct uhidev *scd;
! 412: u_char *p;
! 413: u_int rep;
! 414: u_int32_t cc;
! 415:
! 416: usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
! 417:
! 418: #ifdef UHIDEV_DEBUG
! 419: if (uhidevdebug > 5) {
! 420: u_int32_t i;
! 421:
! 422: DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
! 423: DPRINTF(("uhidev_intr: data ="));
! 424: for (i = 0; i < cc; i++)
! 425: DPRINTF((" %02x", sc->sc_ibuf[i]));
! 426: DPRINTF(("\n"));
! 427: }
! 428: #endif
! 429:
! 430: if (status == USBD_CANCELLED)
! 431: return;
! 432:
! 433: if (status != USBD_NORMAL_COMPLETION) {
! 434: DPRINTF(("%s: interrupt status=%d\n", sc->sc_dev.dv_xname,
! 435: status));
! 436: usbd_clear_endpoint_stall_async(sc->sc_ipipe);
! 437: return;
! 438: }
! 439:
! 440: p = sc->sc_ibuf;
! 441: if (sc->sc_nrepid != 1)
! 442: rep = *p++, cc--;
! 443: else
! 444: rep = 0;
! 445: if (rep >= sc->sc_nrepid) {
! 446: printf("uhidev_intr: bad repid %d\n", rep);
! 447: return;
! 448: }
! 449: scd = sc->sc_subdevs[rep];
! 450: DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
! 451: rep, scd, scd ? scd->sc_state : 0));
! 452: if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN))
! 453: return;
! 454: #ifdef UHIDEV_DEBUG
! 455: if (scd->sc_in_rep_size != cc)
! 456: printf("%s: bad input length %d != %d\n",sc->sc_dev.dv_xname,
! 457: scd->sc_in_rep_size, cc);
! 458: #endif
! 459: scd->sc_intr(scd, p, cc);
! 460: }
! 461:
! 462: void
! 463: uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
! 464: {
! 465: *desc = sc->sc_repdesc;
! 466: *size = sc->sc_repdesc_size;
! 467: }
! 468:
! 469: int
! 470: uhidev_open(struct uhidev *scd)
! 471: {
! 472: struct uhidev_softc *sc = scd->sc_parent;
! 473: usbd_status err;
! 474: int error;
! 475:
! 476: DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
! 477: scd->sc_state, sc->sc_refcnt));
! 478:
! 479: if (scd->sc_state & UHIDEV_OPEN)
! 480: return (EBUSY);
! 481: scd->sc_state |= UHIDEV_OPEN;
! 482: if (sc->sc_refcnt++)
! 483: return (0);
! 484:
! 485: if (sc->sc_isize == 0)
! 486: return (0);
! 487:
! 488: sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
! 489:
! 490: /* Set up input interrupt pipe. */
! 491: DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
! 492: sc->sc_iep_addr));
! 493:
! 494: err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
! 495: USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
! 496: sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
! 497: if (err != USBD_NORMAL_COMPLETION) {
! 498: DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
! 499: "error=%d\n", err));
! 500: error = EIO;
! 501: goto out1;
! 502: }
! 503:
! 504: DPRINTF(("uhidev_open: sc->sc_ipipe=%p\n", sc->sc_ipipe));
! 505:
! 506: sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev);
! 507: if (sc->sc_ixfer == NULL) {
! 508: DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
! 509: error = ENOMEM;
! 510: goto out1; // xxxx
! 511: }
! 512:
! 513: /*
! 514: * Set up output interrupt pipe if an output interrupt endpoint
! 515: * exists.
! 516: */
! 517: if (sc->sc_oep_addr != -1) {
! 518: DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
! 519:
! 520: err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
! 521: 0, &sc->sc_opipe);
! 522:
! 523: if (err != USBD_NORMAL_COMPLETION) {
! 524: DPRINTF(("uhidev_open: usbd_open_pipe failed, "
! 525: "error=%d\n", err));
! 526: error = EIO;
! 527: goto out2;
! 528: }
! 529: DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
! 530:
! 531: sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
! 532: if (sc->sc_oxfer == NULL) {
! 533: DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
! 534: error = ENOMEM;
! 535: goto out3;
! 536: }
! 537:
! 538: sc->sc_owxfer = usbd_alloc_xfer(sc->sc_udev);
! 539: if (sc->sc_owxfer == NULL) {
! 540: DPRINTF(("uhidev_open: couldn't allocate owxfer\n"));
! 541: error = ENOMEM;
! 542: goto out3;
! 543: }
! 544: }
! 545:
! 546: return (0);
! 547:
! 548: out3:
! 549: /* Abort output pipe */
! 550: usbd_close_pipe(sc->sc_opipe);
! 551: out2:
! 552: /* Abort input pipe */
! 553: usbd_close_pipe(sc->sc_ipipe);
! 554: out1:
! 555: DPRINTF(("uhidev_open: failed in someway"));
! 556: free(sc->sc_ibuf, M_USBDEV);
! 557: scd->sc_state &= ~UHIDEV_OPEN;
! 558: sc->sc_refcnt = 0;
! 559: sc->sc_ipipe = NULL;
! 560: sc->sc_opipe = NULL;
! 561: if (sc->sc_oxfer != NULL) {
! 562: usbd_free_xfer(sc->sc_oxfer);
! 563: sc->sc_oxfer = NULL;
! 564: }
! 565: if (sc->sc_owxfer != NULL) {
! 566: usbd_free_xfer(sc->sc_owxfer);
! 567: sc->sc_owxfer = NULL;
! 568: }
! 569: return (error);
! 570: }
! 571:
! 572: void
! 573: uhidev_close(struct uhidev *scd)
! 574: {
! 575: struct uhidev_softc *sc = scd->sc_parent;
! 576:
! 577: if (!(scd->sc_state & UHIDEV_OPEN))
! 578: return;
! 579: scd->sc_state &= ~UHIDEV_OPEN;
! 580: if (--sc->sc_refcnt)
! 581: return;
! 582: DPRINTF(("uhidev_close: close pipe\n"));
! 583:
! 584: if (sc->sc_oxfer != NULL)
! 585: usbd_free_xfer(sc->sc_oxfer);
! 586:
! 587: if (sc->sc_owxfer != NULL)
! 588: usbd_free_xfer(sc->sc_owxfer);
! 589:
! 590: /* Disable interrupts. */
! 591: if (sc->sc_opipe != NULL) {
! 592: usbd_abort_pipe(sc->sc_opipe);
! 593: usbd_close_pipe(sc->sc_opipe);
! 594: sc->sc_opipe = NULL;
! 595: }
! 596:
! 597: if (sc->sc_ipipe != NULL) {
! 598: usbd_abort_pipe(sc->sc_ipipe);
! 599: usbd_close_pipe(sc->sc_ipipe);
! 600: sc->sc_ipipe = NULL;
! 601: }
! 602:
! 603: if (sc->sc_ibuf != NULL) {
! 604: free(sc->sc_ibuf, M_USBDEV);
! 605: sc->sc_ibuf = NULL;
! 606: }
! 607: }
! 608:
! 609: usbd_status
! 610: uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
! 611: {
! 612: char *buf;
! 613: usbd_status retstat;
! 614:
! 615: if (scd->sc_report_id == 0)
! 616: return usbd_set_report(scd->sc_parent->sc_iface, type,
! 617: scd->sc_report_id, data, len);
! 618:
! 619: buf = malloc(len + 1, M_TEMP, M_WAITOK);
! 620: buf[0] = scd->sc_report_id;
! 621: memcpy(buf+1, data, len);
! 622:
! 623: retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
! 624: scd->sc_report_id, data, len + 1);
! 625:
! 626: free(buf, M_TEMP);
! 627:
! 628: return retstat;
! 629: }
! 630:
! 631: void
! 632: uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
! 633: {
! 634: /* XXX */
! 635: char buf[100];
! 636: if (scd->sc_report_id) {
! 637: buf[0] = scd->sc_report_id;
! 638: memcpy(buf+1, data, len);
! 639: len++;
! 640: data = buf;
! 641: }
! 642:
! 643: usbd_set_report_async(scd->sc_parent->sc_iface, type,
! 644: scd->sc_report_id, data, len);
! 645: }
! 646:
! 647: usbd_status
! 648: uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
! 649: {
! 650: return usbd_get_report(scd->sc_parent->sc_iface, type,
! 651: scd->sc_report_id, data, len);
! 652: }
! 653:
! 654: usbd_status
! 655: uhidev_write(struct uhidev_softc *sc, void *data, int len)
! 656: {
! 657:
! 658: DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
! 659:
! 660: if (sc->sc_opipe == NULL)
! 661: return USBD_INVAL;
! 662:
! 663: #ifdef UHIDEV_DEBUG
! 664: if (uhidevdebug > 50) {
! 665:
! 666: u_int32_t i;
! 667: u_int8_t *d = data;
! 668:
! 669: DPRINTF(("uhidev_write: data ="));
! 670: for (i = 0; i < len; i++)
! 671: DPRINTF((" %02x", d[i]));
! 672: DPRINTF(("\n"));
! 673: }
! 674: #endif
! 675: return usbd_intr_transfer(sc->sc_owxfer, sc->sc_opipe, 0,
! 676: USBD_NO_TIMEOUT, data, &len, "uhidevwi");
! 677: }
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