sys/dev/usbmisc/ulpt/ulpt.c

   1 /*
   2  * $NetBSD: ulpt.c,v 1.55 2002/10/23 09:14:01 jdolecek Exp $
   3  * $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.59 2003/09/28 20:48:13 phk Exp $
   4  * $DragonFly: src/sys/dev/usbmisc/ulpt/ulpt.c,v 1.25 2008/02/11 16:56:53 dillon Exp $
   5  */
   6
   7 /*
   8  * Copyright (c) 1998 The NetBSD Foundation, Inc.
   9  * All rights reserved.
  10  *
  11  * This code is derived from software contributed to The NetBSD Foundation
  12  * by Lennart Augustsson (lennart@augustsson.net) at
  13  * Carlstedt Research & Technology.
  14  *
  15  * Redistribution and use in source and binary forms, with or without
  16  * modification, are permitted provided that the following conditions
  17  * are met:
  18  * 1. Redistributions of source code must retain the above copyright
  19  *    notice, this list of conditions and the following disclaimer.
  20  * 2. Redistributions in binary form must reproduce the above copyright
  21  *    notice, this list of conditions and the following disclaimer in the
  22  *    documentation and/or other materials provided with the distribution.
  23  * 3. All advertising materials mentioning features or use of this software
  24  *    must display the following acknowledgement:
  25  *        This product includes software developed by the NetBSD
  26  *        Foundation, Inc. and its contributors.
  27  * 4. Neither the name of The NetBSD Foundation nor the names of its
  28  *    contributors may be used to endorse or promote products derived
  29  *    from this software without specific prior written permission.
  30  *
  31  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  32  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  33  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  34  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  35  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  36  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  37  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  38  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  39  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGE.
  42  */
  43
  44 /*
  45  * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF
  46  */
  47
  48 #include <sys/param.h>
  49 #include <sys/systm.h>
  50 #include <sys/proc.h>
  51 #include <sys/kernel.h>
  52 #include <sys/ioccom.h>
  53 #include <sys/module.h>
  54 #include <sys/bus.h>
  55 #include <sys/uio.h>
  56 #include <sys/conf.h>
  57 #include <sys/device.h>
  58 #include <sys/syslog.h>
  59 #include <sys/sysctl.h>
  60 #include <sys/thread2.h>
  61
  62 #include <bus/usb/usb.h>
  63 #include <bus/usb/usbdi.h>
  64 #include <bus/usb/usbdi_util.h>
  65 #include <bus/usb/usb_quirks.h>
  66
  67 #define TIMEOUT         hz*16   /* wait up to 16 seconds for a ready */
  68 #define STEP            hz/4
  69
  70 #define ULPT_BSIZE      16384
  71
  72 #ifdef USB_DEBUG
  73 #define DPRINTF(x)      if (ulptdebug) kprintf x
  74 #define DPRINTFN(n,x)   if (ulptdebug>(n)) kprintf x
  75 int     ulptdebug = 0;
  76 SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
  77 SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
  78            &ulptdebug, 0, "ulpt debug level");
  79 #else
  80 #define DPRINTF(x)
  81 #define DPRINTFN(n,x)
  82 #endif
  83
  84 #define UR_GET_DEVICE_ID 0
  85 #define UR_GET_PORT_STATUS 1
  86 #define UR_SOFT_RESET 2
  87
  88 #define LPS_NERR                0x08    /* printer no error */
  89 #define LPS_SELECT              0x10    /* printer selected */
  90 #define LPS_NOPAPER             0x20    /* printer out of paper */
  91 #define LPS_INVERT      (LPS_SELECT|LPS_NERR)
  92 #define LPS_MASK        (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
  93
  94 struct ulpt_softc {
  95         device_t sc_dev;
  96         usbd_device_handle sc_udev;     /* device */
  97         usbd_interface_handle sc_iface; /* interface */
  98         int sc_ifaceno;
  99
 100         int sc_out;
 101         usbd_pipe_handle sc_out_pipe;   /* bulk out pipe */
 102
 103         int sc_in;
 104         usbd_pipe_handle sc_in_pipe;    /* bulk in pipe */
 105         usbd_xfer_handle sc_in_xfer1;
 106         usbd_xfer_handle sc_in_xfer2;
 107         u_char sc_junk[64];     /* somewhere to dump input */
 108
 109         u_char sc_state;
 110 #define ULPT_OPEN       0x01    /* device is open */
 111 #define ULPT_OBUSY      0x02    /* printer is busy doing output */
 112 #define ULPT_INIT       0x04    /* waiting to initialize for open */
 113         u_char sc_flags;
 114 #define ULPT_NOPRIME    0x40    /* don't prime on open */
 115         u_char sc_laststatus;
 116
 117         int sc_refcnt;
 118         u_char sc_dying;
 119         int vendor;
 120         int product;
 121 };
 122
 123 static d_open_t ulptopen;
 124 static d_close_t ulptclose;
 125 static d_write_t ulptwrite;
 126 static d_ioctl_t ulptioctl;
 127
 128 #define ULPT_CDEV_MAJOR 113
 129
 130 static struct dev_ops ulpt_ops = {
 131         { "ulpt", ULPT_CDEV_MAJOR, 0 },
 132         .d_open =       ulptopen,
 133         .d_close =      ulptclose,
 134         .d_write =      ulptwrite,
 135         .d_ioctl =      ulptioctl,
 136 };
 137
 138 void ulpt_disco(void *);
 139
 140 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
 141 int ulpt_status(struct ulpt_softc *);
 142 void ulpt_reset(struct ulpt_softc *);
 143 int ulpt_statusmsg(u_char, struct ulpt_softc *);
 144
 145 #if 0
 146 void ieee1284_print_id(char *);
 147 #endif
 148
 149 #define ULPTUNIT(s)     (minor(s) & 0x1f)
 150 #define ULPTFLAGS(s)    (minor(s) & 0xe0)
 151
 152
 153 static device_probe_t ulpt_match;
 154 static device_attach_t ulpt_attach;
 155 static device_detach_t ulpt_detach;
 156
 157 static devclass_t ulpt_devclass;
 158
 159 static kobj_method_t ulpt_methods[] = {
 160         DEVMETHOD(device_probe, ulpt_match),
 161         DEVMETHOD(device_attach, ulpt_attach),
 162         DEVMETHOD(device_detach, ulpt_detach),
 163         {0,0}
 164 };
 165
 166 static driver_t ulpt_driver = {
 167         "ulpt",
 168         ulpt_methods,
 169         sizeof(struct ulpt_softc)
 170 };
 171
 172 MODULE_DEPEND(ulpt, usb, 1, 1, 1);
 173
 174 static int
 175 ulpt_match(device_t self)
 176 {
 177         struct usb_attach_arg *uaa = device_get_ivars(self);
 178         usb_interface_descriptor_t *id;
 179
 180         DPRINTFN(10,("ulpt_match\n"));
 181         if (uaa->iface == NULL)
 182                 return (UMATCH_NONE);
 183         id = usbd_get_interface_descriptor(uaa->iface);
 184         if (id != NULL &&
 185             id->bInterfaceClass == UICLASS_PRINTER &&
 186             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
 187             (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
 188              id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
 189              id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
 190                 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
 191         return (UMATCH_NONE);
 192 }
 193
 194 static int
 195 ulpt_attach(device_t self)
 196 {
 197         struct ulpt_softc *sc = device_get_softc(self);
 198         struct usb_attach_arg *uaa = device_get_ivars(self);
 199         usbd_device_handle dev = uaa->device;
 200         usbd_interface_handle iface = uaa->iface;
 201         usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
 202         usb_interface_descriptor_t *id, *iend;
 203         usb_config_descriptor_t *cdesc;
 204         usbd_status err;
 205         usb_endpoint_descriptor_t *ed;
 206         u_int8_t epcount;
 207         int i, altno;
 208
 209         DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
 210         sc->sc_dev = self;
 211
 212         /* XXX
 213          * Stepping through the alternate settings needs to be abstracted out.
 214          */
 215         cdesc = usbd_get_config_descriptor(dev);
 216         if (cdesc == NULL) {
 217                 kprintf("%s: failed to get configuration descriptor\n",
 218                        device_get_nameunit(sc->sc_dev));
 219                 return ENXIO;
 220         }
 221         iend = (usb_interface_descriptor_t *)
 222                    ((char *)cdesc + UGETW(cdesc->wTotalLength));
 223 #ifdef DIAGNOSTIC
 224         if (ifcd < (usb_interface_descriptor_t *)cdesc ||
 225             ifcd >= iend)
 226                 panic("ulpt: iface desc out of range");
 227 #endif
 228         /* Step through all the descriptors looking for bidir mode */
 229         for (id = ifcd, altno = 0;
 230              id < iend;
 231              id = (void *)((char *)id + id->bLength)) {
 232                 if (id->bDescriptorType == UDESC_INTERFACE &&
 233                     id->bInterfaceNumber == ifcd->bInterfaceNumber) {
 234                         if (id->bInterfaceClass == UICLASS_PRINTER &&
 235                             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
 236                             (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /* ||
 237                              id->bInterfaceProtocol == UIPROTO_PRINTER_1284 */))
 238                                 goto found;
 239                         altno++;
 240                 }
 241         }
 242         id = ifcd;              /* not found, use original */
 243  found:
 244         if (id != ifcd) {
 245                 /* Found a new bidir setting */
 246                 DPRINTF(("ulpt_attach: set altno = %d\n", altno));
 247                 err = usbd_set_interface(iface, altno);
 248                 if (err) {
 249                         kprintf("%s: setting alternate interface failed\n",
 250                                device_get_nameunit(sc->sc_dev));
 251                         sc->sc_dying = 1;
 252                         return ENXIO;
 253                 }
 254         }
 255
 256         epcount = 0;
 257         (void)usbd_endpoint_count(iface, &epcount);
 258
 259         sc->sc_in = -1;
 260         sc->sc_out = -1;
 261         sc->vendor = uaa->vendor;
 262         sc->product = uaa->product;
 263         for (i = 0; i < epcount; i++) {
 264                 ed = usbd_interface2endpoint_descriptor(iface, i);
 265                 if (ed == NULL) {
 266                         kprintf("%s: couldn't get ep %d\n",
 267                             device_get_nameunit(sc->sc_dev), i);
 268                         return ENXIO;
 269                 }
 270                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 271                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 272                         sc->sc_in = ed->bEndpointAddress;
 273                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 274                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 275                         sc->sc_out = ed->bEndpointAddress;
 276                 }
 277         }
 278         if (sc->sc_out == -1) {
 279                 kprintf("%s: could not find bulk out endpoint\n",
 280                     device_get_nameunit(sc->sc_dev));
 281                 sc->sc_dying = 1;
 282                 return ENXIO;
 283         }
 284
 285         if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
 286                 /* This device doesn't handle reading properly. */
 287                 sc->sc_in = -1;
 288         }
 289
 290         kprintf("%s: using %s-directional mode\n", device_get_nameunit(sc->sc_dev),
 291                sc->sc_in >= 0 ? "bi" : "uni");
 292
 293         DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
 294
 295         sc->sc_iface = iface;
 296         sc->sc_ifaceno = id->bInterfaceNumber;
 297         sc->sc_udev = dev;
 298
 299         dev_ops_add(&ulpt_ops, -1, device_get_unit(self));
 300         make_dev(&ulpt_ops, device_get_unit(self),
 301                 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
 302         make_dev(&ulpt_ops,
 303                 device_get_unit(self)|ULPT_NOPRIME,
 304                 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
 305
 306         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
 307                            sc->sc_dev);
 308
 309         return 0;
 310 }
 311
 312 static int
 313 ulpt_detach(device_t self)
 314 {
 315         struct ulpt_softc *sc = device_get_softc(self);
 316
 317         DPRINTF(("ulpt_detach: sc=%p\n", sc));
 318
 319         sc->sc_dying = 1;
 320         if (sc->sc_out_pipe != NULL)
 321                 usbd_abort_pipe(sc->sc_out_pipe);
 322         if (sc->sc_in_pipe != NULL)
 323                 usbd_abort_pipe(sc->sc_in_pipe);
 324
 325         /*
 326          * Wait for any ongoing operations to complete before we actually
 327          * close things down.
 328          */
 329
 330         crit_enter();
 331         --sc->sc_refcnt;
 332         if (sc->sc_refcnt >= 0) {
 333                 kprintf("%s: waiting for idle\n", device_get_nameunit(sc->sc_dev));
 334                 while (sc->sc_refcnt >= 0)
 335                         usb_detach_wait(sc->sc_dev);
 336                 kprintf("%s: idle wait done\n", device_get_nameunit(sc->sc_dev));
 337         }
 338         crit_exit();
 339
 340         dev_ops_remove(&ulpt_ops, -1, device_get_unit(self));
 341
 342         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
 343                            sc->sc_dev);
 344
 345         return (0);
 346 }
 347
 348 int
 349 ulpt_status(struct ulpt_softc *sc)
 350 {
 351         usb_device_request_t req;
 352         usbd_status err;
 353         u_char status;
 354
 355         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 356         req.bRequest = UR_GET_PORT_STATUS;
 357         USETW(req.wValue, 0);
 358         USETW(req.wIndex, sc->sc_ifaceno);
 359         USETW(req.wLength, 1);
 360         err = usbd_do_request(sc->sc_udev, &req, &status);
 361         DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
 362         if (!err)
 363                 return (status);
 364         else
 365                 return (0);
 366 }
 367
 368 void
 369 ulpt_reset(struct ulpt_softc *sc)
 370 {
 371         usb_device_request_t req;
 372         int other_fails;
 373
 374         /* The Brother HL1240 doesn't handle UT_WRITE_CLASS_OTHER */
 375         other_fails = (sc->vendor == 0x04f9 && sc->product == 0x0006);
 376
 377         DPRINTFN(1, ("ulpt_reset\n"));
 378         req.bRequest = UR_SOFT_RESET;
 379         USETW(req.wValue, 0);
 380         USETW(req.wIndex, sc->sc_ifaceno);
 381         USETW(req.wLength, 0);
 382
 383         /*
 384          * There was a mistake in the USB printer 1.0 spec that gave the
 385          * request type as UT_WRITE_CLASS_OTHER; it should have been
 386          * UT_WRITE_CLASS_INTERFACE.  Many printers use the old one,
 387          * so we try both.
 388          */
 389         req.bmRequestType = UT_WRITE_CLASS_OTHER;
 390         /* Some printers don't handle UT_WRITE_CLASS_OTHER */
 391         if (other_fails || usbd_do_request(sc->sc_udev, &req, 0)) {/* 1.0 */
 392                 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 393                 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
 394         }
 395 }
 396
 397 static void
 398 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 399 {
 400         struct ulpt_softc *sc = priv;
 401         u_int32_t count;
 402
 403         /* Don't loop on errors or 0-length input. */
 404         usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
 405         if (status != USBD_NORMAL_COMPLETION || count == 0)
 406                 return;
 407
 408         DPRINTFN(2,("ulpt_input: got some data\n"));
 409         /* Do it again. */
 410         if (xfer == sc->sc_in_xfer1)
 411                 usbd_transfer(sc->sc_in_xfer2);
 412         else
 413                 usbd_transfer(sc->sc_in_xfer1);
 414 }
 415
 416 int ulptusein = 1;
 417
 418 /*
 419  * Reset the printer, then wait until it's selected and not busy.
 420  */
 421 int
 422 ulptopen(struct dev_open_args *ap)
 423 {
 424         cdev_t dev = ap->a_head.a_dev;
 425         u_char flags = ULPTFLAGS(dev);
 426         struct ulpt_softc *sc;
 427         usbd_status err;
 428         int spin, error;
 429
 430         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
 431         if (sc == NULL)
 432                 return (ENXIO);
 433
 434         if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
 435                 return (ENXIO);
 436
 437         if (sc->sc_state)
 438                 return (EBUSY);
 439
 440         sc->sc_state = ULPT_INIT;
 441         sc->sc_flags = flags;
 442         DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
 443
 444 #if defined(USB_DEBUG)
 445         /* Ignoring these flags might not be a good idea */
 446         if ((flags & ~ULPT_NOPRIME) != 0)
 447                 kprintf("ulptopen: flags ignored: %b\n", flags,
 448                         "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
 449 #endif
 450
 451         error = 0;
 452         sc->sc_refcnt++;
 453
 454         if ((flags & ULPT_NOPRIME) == 0) {
 455                 ulpt_reset(sc);
 456                 if (sc->sc_dying) {
 457                         error = ENXIO;
 458                         sc->sc_state = 0;
 459                         goto done;
 460                 }
 461         }
 462
 463         for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
 464                 DPRINTF(("ulpt_open: waiting a while\n"));
 465                 if (spin >= TIMEOUT) {
 466                         error = EBUSY;
 467                         sc->sc_state = 0;
 468                         goto done;
 469                 }
 470
 471                 /* wait 1/4 second, give up if we get a signal */
 472                 error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP);
 473                 if (error != EWOULDBLOCK) {
 474                         sc->sc_state = 0;
 475                         goto done;
 476                 }
 477
 478                 if (sc->sc_dying) {
 479                         error = ENXIO;
 480                         sc->sc_state = 0;
 481                         goto done;
 482                 }
 483         }
 484
 485         err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
 486         if (err) {
 487                 sc->sc_state = 0;
 488                 error = EIO;
 489                 goto done;
 490         }
 491
 492         if (ulptusein && sc->sc_in != -1) {
 493                 DPRINTF(("ulpt_open: open input pipe\n"));
 494                 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
 495                 if (err) {
 496                         error = EIO;
 497                         usbd_close_pipe(sc->sc_out_pipe);
 498                         sc->sc_out_pipe = NULL;
 499                         sc->sc_state = 0;
 500                         goto done;
 501                 }
 502                 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
 503                 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
 504                 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
 505                         error = ENOMEM;
 506                         if (sc->sc_in_xfer1 != NULL) {
 507                                 usbd_free_xfer(sc->sc_in_xfer1);
 508                                 sc->sc_in_xfer1 = NULL;
 509                         }
 510                         if (sc->sc_in_xfer2 != NULL) {
 511                                 usbd_free_xfer(sc->sc_in_xfer2);
 512                                 sc->sc_in_xfer2 = NULL;
 513                         }
 514                         usbd_close_pipe(sc->sc_out_pipe);
 515                         sc->sc_out_pipe = NULL;
 516                         usbd_close_pipe(sc->sc_in_pipe);
 517                         sc->sc_in_pipe = NULL;
 518                         sc->sc_state = 0;
 519                         goto done;
 520                 }
 521                 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
 522                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 523                     USBD_NO_TIMEOUT, ulpt_input);
 524                 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
 525                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 526                     USBD_NO_TIMEOUT, ulpt_input);
 527                 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
 528         }
 529
 530         sc->sc_state = ULPT_OPEN;
 531
 532 done:
 533         if (--sc->sc_refcnt < 0)
 534                 usb_detach_wakeup(sc->sc_dev);
 535
 536         DPRINTF(("ulptopen: done, error=%d\n", error));
 537         return (error);
 538 }
 539
 540 int
 541 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
 542 {
 543         u_char new;
 544
 545         status = (status ^ LPS_INVERT) & LPS_MASK;
 546         new = status & ~sc->sc_laststatus;
 547         sc->sc_laststatus = status;
 548
 549         if (new & LPS_SELECT)
 550                 log(LOG_NOTICE, "%s: offline\n", device_get_nameunit(sc->sc_dev));
 551         else if (new & LPS_NOPAPER)
 552                 log(LOG_NOTICE, "%s: out of paper\n", device_get_nameunit(sc->sc_dev));
 553         else if (new & LPS_NERR)
 554                 log(LOG_NOTICE, "%s: output error\n", device_get_nameunit(sc->sc_dev));
 555
 556         return (status);
 557 }
 558
 559 int
 560 ulptclose(struct dev_close_args *ap)
 561 {
 562         cdev_t dev = ap->a_head.a_dev;
 563         struct ulpt_softc *sc;
 564
 565         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
 566
 567         if (sc->sc_state != ULPT_OPEN)
 568                 /* We are being forced to close before the open completed. */
 569                 return (0);
 570
 571         if (sc->sc_out_pipe != NULL) {
 572                 usbd_close_pipe(sc->sc_out_pipe);
 573                 sc->sc_out_pipe = NULL;
 574         }
 575         if (sc->sc_in_pipe != NULL) {
 576                 usbd_abort_pipe(sc->sc_in_pipe);
 577                 usbd_close_pipe(sc->sc_in_pipe);
 578                 sc->sc_in_pipe = NULL;
 579                 if (sc->sc_in_xfer1 != NULL) {
 580                         usbd_free_xfer(sc->sc_in_xfer1);
 581                         sc->sc_in_xfer1 = NULL;
 582                 }
 583                 if (sc->sc_in_xfer2 != NULL) {
 584                         usbd_free_xfer(sc->sc_in_xfer2);
 585                         sc->sc_in_xfer2 = NULL;
 586                 }
 587         }
 588
 589         sc->sc_state = 0;
 590
 591         DPRINTF(("ulptclose: closed\n"));
 592         return (0);
 593 }
 594
 595 int
 596 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
 597 {
 598         u_int32_t n;
 599         int error = 0;
 600         void *bufp;
 601         usbd_xfer_handle xfer;
 602         usbd_status err;
 603
 604         DPRINTF(("ulptwrite\n"));
 605         xfer = usbd_alloc_xfer(sc->sc_udev);
 606         if (xfer == NULL)
 607                 return (ENOMEM);
 608         bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
 609         if (bufp == NULL) {
 610                 usbd_free_xfer(xfer);
 611                 return (ENOMEM);
 612         }
 613         while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
 614                 ulpt_statusmsg(ulpt_status(sc), sc);
 615                 error = uiomove(bufp, n, uio);
 616                 if (error)
 617                         break;
 618                 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
 619                 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
 620                           USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
 621                 if (err) {
 622                         DPRINTF(("ulptwrite: error=%d\n", err));
 623                         error = EIO;
 624                         break;
 625                 }
 626         }
 627         usbd_free_xfer(xfer);
 628
 629         return (error);
 630 }
 631
 632 int
 633 ulptwrite(struct dev_write_args *ap)
 634 {
 635         cdev_t dev = ap->a_head.a_dev;
 636         struct ulpt_softc *sc;
 637         int error;
 638
 639         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
 640
 641         if (sc->sc_dying)
 642                 return (EIO);
 643
 644         sc->sc_refcnt++;
 645         error = ulpt_do_write(sc, ap->a_uio, ap->a_ioflag);
 646         if (--sc->sc_refcnt < 0)
 647                 usb_detach_wakeup(sc->sc_dev);
 648         return (error);
 649 }
 650
 651 int
 652 ulptioctl(struct dev_ioctl_args *ap)
 653 {
 654         int error = 0;
 655
 656         switch (ap->a_cmd) {
 657         default:
 658                 error = ENODEV;
 659         }
 660
 661         return (error);
 662 }
 663
 664 #if 0
 665 /* XXX This does not belong here. */
 666 /*
 667  * Print select parts of an IEEE 1284 device ID.
 668  */
 669 void
 670 ieee1284_print_id(char *str)
 671 {
 672         char *p, *q;
 673
 674         for (p = str-1; p; p = strchr(p, ';')) {
 675                 p++;            /* skip ';' */
 676                 if (strncmp(p, "MFG:", 4) == 0 ||
 677                     strncmp(p, "MANUFACTURER:", 14) == 0 ||
 678                     strncmp(p, "MDL:", 4) == 0 ||
 679                     strncmp(p, "MODEL:", 6) == 0) {
 680                         q = strchr(p, ';');
 681                         if (q)
 682                                 kprintf("%.*s", (int)(q - p + 1), p);
 683                 }
 684         }
 685 }
 686 #endif
 687
 688 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
 689