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Annotation of src/sys/dev/usb/uhidev.c, Revision 1.33

1.33    ! ghen        1: /*     $NetBSD: uhidev.c,v 1.32 2006/06/12 21:01:58 christos Exp $     */
1.1       augustss    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:  * 3. All advertising materials mentioning features or use of this software
                     20:  *    must display the following acknowledgement:
                     21:  *        This product includes software developed by the NetBSD
                     22:  *        Foundation, Inc. and its contributors.
                     23:  * 4. Neither the name of The NetBSD Foundation nor the names of its
                     24:  *    contributors may be used to endorse or promote products derived
                     25:  *    from this software without specific prior written permission.
                     26:  *
                     27:  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
                     28:  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
                     29:  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
                     30:  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
                     31:  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
                     32:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
                     33:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
                     34:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
                     35:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
                     36:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
                     37:  * POSSIBILITY OF SUCH DAMAGE.
                     38:  */
                     39:
                     40: /*
1.14      augustss   41:  * HID spec: http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1.1       augustss   42:  */
1.15      lukem      43:
                     44: #include <sys/cdefs.h>
1.33    ! ghen       45: __KERNEL_RCSID(0, "$NetBSD: uhidev.c,v 1.32 2006/06/12 21:01:58 christos Exp $");
1.1       augustss   46:
                     47: #include <sys/param.h>
                     48: #include <sys/systm.h>
                     49: #include <sys/kernel.h>
                     50: #include <sys/malloc.h>
                     51: #include <sys/signalvar.h>
                     52: #include <sys/device.h>
                     53: #include <sys/ioctl.h>
                     54: #include <sys/conf.h>
                     55:
                     56: #include <dev/usb/usb.h>
                     57: #include <dev/usb/usbhid.h>
                     58:
                     59: #include <dev/usb/usbdevs.h>
                     60: #include <dev/usb/usbdi.h>
                     61: #include <dev/usb/usbdi_util.h>
                     62: #include <dev/usb/hid.h>
                     63: #include <dev/usb/usb_quirks.h>
                     64:
                     65: #include <dev/usb/uhidev.h>
                     66:
                     67: /* Report descriptor for broken Wacom Graphire */
                     68: #include <dev/usb/ugraphire_rdesc.h>
                     69:
1.22      drochner   70: #include "locators.h"
                     71:
1.1       augustss   72: #ifdef UHIDEV_DEBUG
                     73: #define DPRINTF(x)     if (uhidevdebug) logprintf x
                     74: #define DPRINTFN(n,x)  if (uhidevdebug>(n)) logprintf x
                     75: int    uhidevdebug = 0;
                     76: #else
                     77: #define DPRINTF(x)
                     78: #define DPRINTFN(n,x)
                     79: #endif
                     80:
                     81: Static void uhidev_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
                     82:
1.29      drochner   83: Static int uhidev_maxrepid(void *, int);
                     84: Static int uhidevprint(void *, const char *);
                     85: Static int uhidevsubmatch(struct device *, struct cfdata *,
                     86:                          const int *, void *);
1.1       augustss   87:
                     88: USB_DECLARE_DRIVER(uhidev);
                     89:
                     90: USB_MATCH(uhidev)
                     91: {
                     92:        USB_MATCH_START(uhidev, uaa);
                     93:        usb_interface_descriptor_t *id;
1.6       augustss   94:
1.1       augustss   95:        if (uaa->iface == NULL)
                     96:                return (UMATCH_NONE);
                     97:        id = usbd_get_interface_descriptor(uaa->iface);
                     98:        if (id == NULL || id->bInterfaceClass != UICLASS_HID)
                     99:                return (UMATCH_NONE);
                    100:        return (UMATCH_IFACECLASS_GENERIC);
                    101: }
                    102:
                    103: USB_ATTACH(uhidev)
                    104: {
                    105:        USB_ATTACH_START(uhidev, sc, uaa);
                    106:        usbd_interface_handle iface = uaa->iface;
                    107:        usb_interface_descriptor_t *id;
                    108:        usb_endpoint_descriptor_t *ed;
                    109:        struct uhidev_attach_arg uha;
                    110:        struct uhidev *dev;
                    111:        int size, nrepid, repid, repsz;
1.32      christos  112:        int *repsizes;
1.25      skrll     113:        int i;
1.19      jdolecek  114:        void *desc;
1.20      augustss  115:        const void *descptr;
1.1       augustss  116:        usbd_status err;
1.26      augustss  117:        char *devinfop;
1.28      drochner  118:        int locs[UHIDBUSCF_NLOCS];
1.6       augustss  119:
1.1       augustss  120:        sc->sc_udev = uaa->device;
                    121:        sc->sc_iface = iface;
                    122:        id = usbd_get_interface_descriptor(iface);
1.26      augustss  123:
                    124:        devinfop = usbd_devinfo_alloc(uaa->device, 0);
1.1       augustss  125:        USB_ATTACH_SETUP;
                    126:        printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
1.26      augustss  127:               devinfop, id->bInterfaceClass, id->bInterfaceSubClass);
                    128:        usbd_devinfo_free(devinfop);
1.1       augustss  129:
                    130:        (void)usbd_set_idle(iface, 0, 0);
                    131: #if 0
                    132:
                    133:        qflags = usbd_get_quirks(sc->sc_udev)->uq_flags;
                    134:        if ((qflags & UQ_NO_SET_PROTO) == 0 &&
                    135:            id->bInterfaceSubClass != UISUBCLASS_BOOT)
                    136:                (void)usbd_set_protocol(iface, 1);
                    137: #endif
                    138:
1.25      skrll     139:        sc->sc_iep_addr = sc->sc_oep_addr = -1;
                    140:        for (i = 0; i < id->bNumEndpoints; i++) {
                    141:                ed = usbd_interface2endpoint_descriptor(iface, i);
                    142:                if (ed == NULL) {
                    143:                        printf("%s: could not read endpoint descriptor\n",
                    144:                            USBDEVNAME(sc->sc_dev));
                    145:                        sc->sc_dying = 1;
                    146:                        USB_ATTACH_ERROR_RETURN;
                    147:                }
                    148:
                    149:                DPRINTFN(10,("uhidev_attach: bLength=%d bDescriptorType=%d "
                    150:                    "bEndpointAddress=%d-%s bmAttributes=%d wMaxPacketSize=%d"
                    151:                    " bInterval=%d\n",
                    152:                    ed->bLength, ed->bDescriptorType,
                    153:                    ed->bEndpointAddress & UE_ADDR,
                    154:                    UE_GET_DIR(ed->bEndpointAddress)==UE_DIR_IN? "in" : "out",
                    155:                    ed->bmAttributes & UE_XFERTYPE,
                    156:                    UGETW(ed->wMaxPacketSize), ed->bInterval));
                    157:
                    158:                if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
                    159:                    (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
                    160:                        sc->sc_iep_addr = ed->bEndpointAddress;
                    161:                } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
                    162:                    (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
                    163:                        sc->sc_oep_addr = ed->bEndpointAddress;
                    164:                } else {
1.30      itohy     165:                        printf("%s: endpoint %d: ignored\n", USBDEVNAME(sc->sc_dev), i);
1.25      skrll     166:                }
1.1       augustss  167:        }
                    168:
1.25      skrll     169:        /*
                    170:         * Check that we found an input interrupt endpoint. The output interrupt
                    171:         * endpoint is optional
                    172:         */
                    173:        if (sc->sc_iep_addr == -1) {
                    174:                printf("%s: no input interrupt endpoint\n", USBDEVNAME(sc->sc_dev));
1.1       augustss  175:                sc->sc_dying = 1;
                    176:                USB_ATTACH_ERROR_RETURN;
                    177:        }
                    178:
                    179:        /* XXX need to extend this */
1.20      augustss  180:        descptr = NULL;
                    181:        if (uaa->vendor == USB_VENDOR_WACOM) {
                    182:                static uByte reportbuf[] = {2, 2, 2};
1.17      augustss  183:
1.1       augustss  184:                /* The report descriptor for the Wacom Graphire is broken. */
1.17      augustss  185:                switch (uaa->product) {
                    186:                case USB_PRODUCT_WACOM_GRAPHIRE:
                    187:                        size = sizeof uhid_graphire_report_descr;
                    188:                        descptr = uhid_graphire_report_descr;
                    189:                        break;
                    190:
1.33    ! ghen      191:                case USB_PRODUCT_WACOM_GRAPHIRE3_4X5:
        !           192:                case USB_PRODUCT_WACOM_GRAPHIRE3_6X8:
        !           193:                case USB_PRODUCT_WACOM_GRAPHIRE4_4X5: /* The 6x8 too? */
1.17      augustss  194:                        /*
                    195:                         * The Graphire3 needs 0x0202 to be written to
                    196:                         * feature report ID 2 before it'll start
                    197:                         * returning digitizer data.
                    198:                         */
                    199:                        usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 2,
1.20      augustss  200:                            &reportbuf, sizeof reportbuf);
1.17      augustss  201:
                    202:                        size = sizeof uhid_graphire3_4x5_report_descr;
                    203:                        descptr = uhid_graphire3_4x5_report_descr;
                    204:                        break;
1.20      augustss  205:                default:
                    206:                        /* Keep descriptor */
                    207:                        break;
1.17      augustss  208:                }
                    209:        }
                    210:
                    211:        if (descptr) {
1.1       augustss  212:                desc = malloc(size, M_USBDEV, M_NOWAIT);
                    213:                if (desc == NULL)
                    214:                        err = USBD_NOMEM;
                    215:                else {
                    216:                        err = USBD_NORMAL_COMPLETION;
1.17      augustss  217:                        memcpy(desc, descptr, size);
1.1       augustss  218:                }
                    219:        } else {
                    220:                desc = NULL;
1.17      augustss  221:                err = usbd_read_report_desc(uaa->iface, &desc, &size,
                    222:                    M_USBDEV);
1.1       augustss  223:        }
                    224:        if (err) {
                    225:                printf("%s: no report descriptor\n", USBDEVNAME(sc->sc_dev));
                    226:                sc->sc_dying = 1;
                    227:                USB_ATTACH_ERROR_RETURN;
                    228:        }
1.6       augustss  229:
1.27      augustss  230:        if (uaa->vendor == USB_VENDOR_HOSIDEN &&
                    231:            uaa->product == USB_PRODUCT_HOSIDEN_PPP) {
                    232:                static uByte reportbuf[] = { 1 };
                    233:                /*
                    234:                 *  This device was sold by Konami with its ParaParaParadise
                    235:                 *  game for PlayStation2.  It needs to be "turned on"
                    236:                 *  before it will send any reports.
                    237:                 */
                    238:
                    239:                usbd_set_report(uaa->iface, UHID_FEATURE_REPORT, 0,
                    240:                    &reportbuf, sizeof reportbuf);
                    241:        }
                    242:
1.1       augustss  243:        sc->sc_repdesc = desc;
                    244:        sc->sc_repdesc_size = size;
                    245:
                    246:        uha.uaa = uaa;
                    247:        nrepid = uhidev_maxrepid(desc, size);
                    248:        if (nrepid < 0)
                    249:                USB_ATTACH_SUCCESS_RETURN;
                    250:        if (nrepid > 0)
                    251:                printf("%s: %d report ids\n", USBDEVNAME(sc->sc_dev), nrepid);
                    252:        nrepid++;
1.32      christos  253:        repsizes = malloc(nrepid * sizeof(*repsizes), M_TEMP, M_NOWAIT);
                    254:        if (repsizes == NULL)
                    255:                goto nomem;
1.1       augustss  256:        sc->sc_subdevs = malloc(nrepid * sizeof(device_ptr_t),
1.5       augustss  257:                                M_USBDEV, M_NOWAIT | M_ZERO);
1.1       augustss  258:        if (sc->sc_subdevs == NULL) {
1.32      christos  259:                free(repsizes, M_TEMP);
                    260: nomem:
1.1       augustss  261:                printf("%s: no memory\n", USBDEVNAME(sc->sc_dev));
                    262:                USB_ATTACH_ERROR_RETURN;
                    263:        }
                    264:        sc->sc_nrepid = nrepid;
                    265:        sc->sc_isize = 0;
                    266:
                    267:        usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
                    268:                           USBDEV(sc->sc_dev));
                    269:
                    270:        for (repid = 0; repid < nrepid; repid++) {
                    271:                repsz = hid_report_size(desc, size, hid_input, repid);
                    272:                DPRINTF(("uhidev_match: repid=%d, repsz=%d\n", repid, repsz));
1.2       augustss  273:                repsizes[repid] = repsz;
1.1       augustss  274:                if (repsz > 0) {
                    275:                        if (repsz > sc->sc_isize)
                    276:                                sc->sc_isize = repsz;
                    277:                }
                    278:        }
                    279:        sc->sc_isize += nrepid != 1;    /* space for report ID */
                    280:        DPRINTF(("uhidev_attach: isize=%d\n", sc->sc_isize));
                    281:
                    282:        uha.parent = sc;
                    283:        for (repid = 0; repid < nrepid; repid++) {
                    284:                DPRINTF(("uhidev_match: try repid=%d\n", repid));
                    285:                if (hid_report_size(desc, size, hid_input, repid) == 0 &&
                    286:                    hid_report_size(desc, size, hid_output, repid) == 0 &&
                    287:                    hid_report_size(desc, size, hid_feature, repid) == 0) {
1.5       augustss  288:                        ;       /* already NULL in sc->sc_subdevs[repid] */
1.1       augustss  289:                } else {
                    290:                        uha.reportid = repid;
1.28      drochner  291:                        locs[UHIDBUSCF_REPORTID] = repid;
1.22      drochner  292:
                    293:                        dev = (struct uhidev *)config_found_sm_loc(self,
1.28      drochner  294:                                "uhidbus", locs, &uha,
1.22      drochner  295:                                uhidevprint, uhidevsubmatch);
1.1       augustss  296:                        sc->sc_subdevs[repid] = dev;
1.4       augustss  297:                        if (dev != NULL) {
                    298:                                dev->sc_in_rep_size = repsizes[repid];
1.1       augustss  299: #ifdef DIAGNOSTIC
                    300:                                DPRINTF(("uhidev_match: repid=%d dev=%p\n",
                    301:                                         repid, dev));
                    302:                                if (dev->sc_intr == NULL) {
1.32      christos  303:                                        free(repsizes, M_TEMP);
1.1       augustss  304:                                        printf("%s: sc_intr == NULL\n",
                    305:                                               USBDEVNAME(sc->sc_dev));
                    306:                                        USB_ATTACH_ERROR_RETURN;
                    307:                                }
1.4       augustss  308: #endif
1.9       dan       309: #if NRND > 0
1.24      perry     310:                                rnd_attach_source(&dev->rnd_source,
                    311:                                                  USBDEVNAME(dev->sc_dev),
1.9       dan       312:                                                  RND_TYPE_TTY, 0);
                    313: #endif
1.1       augustss  314:                        }
                    315:                }
                    316:        }
1.32      christos  317:        free(repsizes, M_TEMP);
1.1       augustss  318:
                    319:        USB_ATTACH_SUCCESS_RETURN;
                    320: }
                    321:
                    322: int
                    323: uhidev_maxrepid(void *buf, int len)
                    324: {
                    325:        struct hid_data *d;
                    326:        struct hid_item h;
                    327:        int maxid;
                    328:
                    329:        maxid = -1;
                    330:        h.report_ID = 0;
                    331:        for (d = hid_start_parse(buf, len, hid_none); hid_get_item(d, &h); )
                    332:                if (h.report_ID > maxid)
                    333:                        maxid = h.report_ID;
                    334:        hid_end_parse(d);
                    335:        return (maxid);
                    336: }
                    337:
                    338: int
                    339: uhidevprint(void *aux, const char *pnp)
                    340: {
                    341:        struct uhidev_attach_arg *uha = aux;
                    342:
                    343:        if (pnp)
1.12      thorpej   344:                aprint_normal("uhid at %s", pnp);
1.1       augustss  345:        if (uha->reportid != 0)
1.12      thorpej   346:                aprint_normal(" reportid %d", uha->reportid);
1.1       augustss  347:        return (UNCONF);
                    348: }
                    349:
                    350: int
1.22      drochner  351: uhidevsubmatch(struct device *parent, struct cfdata *cf,
1.29      drochner  352:               const int *locs, void *aux)
1.1       augustss  353: {
1.22      drochner  354:        if (cf->cf_loc[UHIDBUSCF_REPORTID] != UHIDBUSCF_REPORTID_DEFAULT &&
1.28      drochner  355:            cf->cf_loc[UHIDBUSCF_REPORTID] != locs[UHIDBUSCF_REPORTID])
1.1       augustss  356:                return (0);
1.22      drochner  357:
1.8       thorpej   358:        return (config_match(parent, cf, aux));
1.1       augustss  359: }
                    360:
                    361: int
                    362: uhidev_activate(device_ptr_t self, enum devact act)
                    363: {
                    364:        struct uhidev_softc *sc = (struct uhidev_softc *)self;
                    365:        int i, rv;
                    366:
                    367:        switch (act) {
                    368:        case DVACT_ACTIVATE:
                    369:                return (EOPNOTSUPP);
                    370:
                    371:        case DVACT_DEACTIVATE:
                    372:                rv = 0;
                    373:                for (i = 0; i < sc->sc_nrepid; i++)
                    374:                        if (sc->sc_subdevs[i] != NULL)
                    375:                                rv |= config_deactivate(
                    376:                                        &sc->sc_subdevs[i]->sc_dev);
                    377:                sc->sc_dying = 1;
1.16      christos  378:                break;
                    379:        default:
                    380:                rv = 0;
1.1       augustss  381:                break;
                    382:        }
                    383:        return (rv);
                    384: }
                    385:
                    386: USB_DETACH(uhidev)
                    387: {
                    388:        USB_DETACH_START(uhidev, sc);
                    389:        int i, rv;
                    390:
                    391:        DPRINTF(("uhidev_detach: sc=%p flags=%d\n", sc, flags));
                    392:
                    393:        sc->sc_dying = 1;
1.25      skrll     394:        if (sc->sc_ipipe != NULL)
                    395:                usbd_abort_pipe(sc->sc_ipipe);
1.1       augustss  396:
                    397:        if (sc->sc_repdesc != NULL)
                    398:                free(sc->sc_repdesc, M_USBDEV);
                    399:
                    400:        rv = 0;
                    401:        for (i = 0; i < sc->sc_nrepid; i++) {
                    402:                if (sc->sc_subdevs[i] != NULL) {
1.9       dan       403: #if NRND > 0
                    404:                        rnd_detach_source(&sc->sc_subdevs[i]->rnd_source);
                    405: #endif
1.1       augustss  406:                        rv |= config_detach(&sc->sc_subdevs[i]->sc_dev, flags);
                    407:                        sc->sc_subdevs[i] = NULL;
                    408:                }
                    409:        }
                    410:
                    411:        usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
                    412:                           USBDEV(sc->sc_dev));
                    413:
                    414:        return (rv);
                    415: }
                    416:
                    417: void
                    418: uhidev_intr(usbd_xfer_handle xfer, usbd_private_handle addr, usbd_status status)
                    419: {
                    420:        struct uhidev_softc *sc = addr;
                    421:        struct uhidev *scd;
                    422:        u_char *p;
                    423:        u_int rep;
                    424:        u_int32_t cc;
                    425:
                    426:        usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
                    427:
                    428: #ifdef UHIDEV_DEBUG
                    429:        if (uhidevdebug > 5) {
                    430:                u_int32_t i;
1.6       augustss  431:
1.1       augustss  432:                DPRINTF(("uhidev_intr: status=%d cc=%d\n", status, cc));
                    433:                DPRINTF(("uhidev_intr: data ="));
                    434:                for (i = 0; i < cc; i++)
                    435:                        DPRINTF((" %02x", sc->sc_ibuf[i]));
                    436:                DPRINTF(("\n"));
                    437:        }
                    438: #endif
                    439:
                    440:        if (status == USBD_CANCELLED)
                    441:                return;
                    442:
                    443:        if (status != USBD_NORMAL_COMPLETION) {
1.3       augustss  444:                DPRINTF(("%s: interrupt status=%d\n", USBDEVNAME(sc->sc_dev),
                    445:                         status));
1.25      skrll     446:                usbd_clear_endpoint_stall_async(sc->sc_ipipe);
1.1       augustss  447:                return;
                    448:        }
                    449:
                    450:        p = sc->sc_ibuf;
                    451:        if (sc->sc_nrepid != 1)
                    452:                rep = *p++, cc--;
                    453:        else
                    454:                rep = 0;
                    455:        if (rep >= sc->sc_nrepid) {
                    456:                printf("uhidev_intr: bad repid %d\n", rep);
                    457:                return;
                    458:        }
                    459:        scd = sc->sc_subdevs[rep];
                    460:        DPRINTFN(5,("uhidev_intr: rep=%d, scd=%p state=0x%x\n",
                    461:                    rep, scd, scd ? scd->sc_state : 0));
                    462:        if (scd == NULL || !(scd->sc_state & UHIDEV_OPEN))
                    463:                return;
1.23      augustss  464:        if (scd->sc_in_rep_size != cc) {
                    465:                printf("%s: bad input length %d != %d\n",
                    466:                       USBDEVNAME(sc->sc_dev), scd->sc_in_rep_size, cc);
                    467:                return;
                    468:        }
1.9       dan       469: #if NRND > 0
1.10      fair      470:        rnd_add_uint32(&scd->rnd_source, (uintptr_t)(sc->sc_ibuf));
1.2       augustss  471: #endif
1.1       augustss  472:        scd->sc_intr(scd, p, cc);
                    473: }
                    474:
                    475: void
                    476: uhidev_get_report_desc(struct uhidev_softc *sc, void **desc, int *size)
                    477: {
                    478:        *desc = sc->sc_repdesc;
                    479:        *size = sc->sc_repdesc_size;
                    480: }
                    481:
                    482: int
                    483: uhidev_open(struct uhidev *scd)
                    484: {
                    485:        struct uhidev_softc *sc = scd->sc_parent;
                    486:        usbd_status err;
1.25      skrll     487:        int error;
1.1       augustss  488:
                    489:        DPRINTF(("uhidev_open: open pipe, state=%d refcnt=%d\n",
                    490:                 scd->sc_state, sc->sc_refcnt));
                    491:
                    492:        if (scd->sc_state & UHIDEV_OPEN)
                    493:                return (EBUSY);
                    494:        scd->sc_state |= UHIDEV_OPEN;
                    495:        if (sc->sc_refcnt++)
                    496:                return (0);
                    497:
                    498:        if (sc->sc_isize == 0)
                    499:                return (0);
                    500:
                    501:        sc->sc_ibuf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
                    502:
1.25      skrll     503:        /* Set up input interrupt pipe. */
1.1       augustss  504:        DPRINTF(("uhidev_open: isize=%d, ep=0x%02x\n", sc->sc_isize,
1.25      skrll     505:                 sc->sc_iep_addr));
                    506:
                    507:        err = usbd_open_pipe_intr(sc->sc_iface, sc->sc_iep_addr,
                    508:                  USBD_SHORT_XFER_OK, &sc->sc_ipipe, sc, sc->sc_ibuf,
1.1       augustss  509:                  sc->sc_isize, uhidev_intr, USBD_DEFAULT_INTERVAL);
1.25      skrll     510:        if (err != USBD_NORMAL_COMPLETION) {
1.1       augustss  511:                DPRINTF(("uhidopen: usbd_open_pipe_intr failed, "
1.25      skrll     512:                    "error=%d\n", err));
                    513:                error = EIO;
                    514:                goto out1;
                    515:        }
                    516:
                    517:        /*
                    518:         * Set up output interrupt pipe if an output interrupt endpoint
                    519:         * exists.
                    520:         */
                    521:        if (sc->sc_oep_addr != -1) {
                    522:                DPRINTF(("uhidev_open: oep=0x%02x\n", sc->sc_oep_addr));
                    523:
                    524:                err = usbd_open_pipe(sc->sc_iface, sc->sc_oep_addr,
                    525:                    0, &sc->sc_opipe);
                    526:
                    527:                if (err != USBD_NORMAL_COMPLETION) {
                    528:                        DPRINTF(("uhidev_open: usbd_open_pipe failed, "
                    529:                            "error=%d\n", err));
                    530:                        error = EIO;
                    531:                        goto out2;
                    532:                }
                    533:                DPRINTF(("uhidev_open: sc->sc_opipe=%p\n", sc->sc_opipe));
                    534:
                    535:                sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
                    536:                if (sc->sc_oxfer == NULL) {
                    537:                        DPRINTF(("uhidev_open: couldn't allocate an xfer\n"));
                    538:                        error = ENOMEM;
                    539:                        goto out3;
                    540:                }
1.1       augustss  541:        }
1.25      skrll     542:
1.1       augustss  543:        return (0);
1.25      skrll     544: out3:
                    545:        /* Abort output pipe */
                    546:        usbd_close_pipe(sc->sc_opipe);
                    547: out2:
                    548:        /* Abort input pipe */
                    549:        usbd_close_pipe(sc->sc_ipipe);
                    550: out1:
                    551:        DPRINTF(("uhidev_open: failed in someway"));
                    552:        free(sc->sc_ibuf, M_USBDEV);
                    553:        scd->sc_state &= ~UHIDEV_OPEN;
                    554:        sc->sc_refcnt = 0;
                    555:        sc->sc_ipipe = NULL;
                    556:        sc->sc_opipe = NULL;
                    557:        sc->sc_oxfer = NULL;
                    558:        return error;
1.1       augustss  559: }
                    560:
                    561: void
                    562: uhidev_close(struct uhidev *scd)
                    563: {
                    564:        struct uhidev_softc *sc = scd->sc_parent;
                    565:
                    566:        if (!(scd->sc_state & UHIDEV_OPEN))
                    567:                return;
                    568:        scd->sc_state &= ~UHIDEV_OPEN;
                    569:        if (--sc->sc_refcnt)
                    570:                return;
                    571:        DPRINTF(("uhidev_close: close pipe\n"));
                    572:
1.25      skrll     573:        if (sc->sc_oxfer != NULL)
                    574:                usbd_free_xfer(sc->sc_oxfer);
                    575:
1.1       augustss  576:        /* Disable interrupts. */
1.25      skrll     577:        if (sc->sc_opipe != NULL) {
                    578:                usbd_abort_pipe(sc->sc_opipe);
                    579:                usbd_close_pipe(sc->sc_opipe);
                    580:                sc->sc_opipe = NULL;
                    581:        }
                    582:
                    583:        if (sc->sc_ipipe != NULL) {
                    584:                usbd_abort_pipe(sc->sc_ipipe);
                    585:                usbd_close_pipe(sc->sc_ipipe);
                    586:                sc->sc_ipipe = NULL;
1.1       augustss  587:        }
                    588:
                    589:        if (sc->sc_ibuf != NULL) {
                    590:                free(sc->sc_ibuf, M_USBDEV);
                    591:                sc->sc_ibuf = NULL;
                    592:        }
                    593: }
                    594:
                    595: usbd_status
                    596: uhidev_set_report(struct uhidev *scd, int type, void *data, int len)
                    597: {
1.13      dsainty   598:        char *buf;
                    599:        usbd_status retstat;
                    600:
                    601:        if (scd->sc_report_id == 0)
                    602:                return usbd_set_report(scd->sc_parent->sc_iface, type,
                    603:                                       scd->sc_report_id, data, len);
                    604:
                    605:        buf = malloc(len + 1, M_TEMP, M_WAITOK);
                    606:        buf[0] = scd->sc_report_id;
                    607:        memcpy(buf+1, data, len);
                    608:
                    609:        retstat = usbd_set_report(scd->sc_parent->sc_iface, type,
1.18      dsainty   610:                                  scd->sc_report_id, buf, len + 1);
1.13      dsainty   611:
                    612:        free(buf, M_TEMP);
1.1       augustss  613:
1.13      dsainty   614:        return retstat;
1.1       augustss  615: }
                    616:
                    617: void
                    618: uhidev_set_report_async(struct uhidev *scd, int type, void *data, int len)
                    619: {
                    620:        /* XXX */
                    621:        char buf[100];
                    622:        if (scd->sc_report_id) {
                    623:                buf[0] = scd->sc_report_id;
                    624:                memcpy(buf+1, data, len);
                    625:                len++;
                    626:                data = buf;
                    627:        }
                    628:
1.6       augustss  629:        usbd_set_report_async(scd->sc_parent->sc_iface, type,
1.1       augustss  630:                              scd->sc_report_id, data, len);
                    631: }
                    632:
                    633: usbd_status
                    634: uhidev_get_report(struct uhidev *scd, int type, void *data, int len)
                    635: {
1.6       augustss  636:        return usbd_get_report(scd->sc_parent->sc_iface, type,
1.1       augustss  637:                               scd->sc_report_id, data, len);
                    638: }
1.25      skrll     639:
                    640: usbd_status
                    641: uhidev_write(struct uhidev_softc *sc, void *data, int len)
                    642: {
                    643:
                    644:        DPRINTF(("uhidev_write: data=%p, len=%d\n", data, len));
                    645:
                    646:        if (sc->sc_opipe == NULL)
                    647:                return USBD_INVAL;
                    648:
                    649: #ifdef UHIDEV_DEBUG
                    650:        if (uhidevdebug > 50) {
                    651:
                    652:                u_int32_t i;
                    653:                u_int8_t *d = data;
                    654:
                    655:                DPRINTF(("uhidev_write: data ="));
                    656:                for (i = 0; i < len; i++)
                    657:                        DPRINTF((" %02x", d[i]));
                    658:                DPRINTF(("\n"));
                    659:        }
                    660: #endif
                    661:        return usbd_intr_transfer(sc->sc_oxfer, sc->sc_opipe, 0,
                    662:            USBD_NO_TIMEOUT, data, &len, "uhidevwi");
                    663: }

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