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 1.15 2006/12/22 23:26:26 swildner 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 #if defined(__NetBSD__) || defined(__OpenBSD__)
  53 #include <sys/device.h>
  54 #include <sys/ioctl.h>
  55 #elif defined(__FreeBSD__) || defined(__DragonFly__)
  56 #include <sys/ioccom.h>
  57 #include <sys/module.h>
  58 #include <sys/bus.h>
  59 #endif
  60 #include <sys/uio.h>
  61 #include <sys/conf.h>
  62 #include <sys/device.h>
  63 #include <sys/syslog.h>
  64 #include <sys/sysctl.h>
  65 #include <sys/thread2.h>
  66
  67 #include <bus/usb/usb.h>
  68 #include <bus/usb/usbdi.h>
  69 #include <bus/usb/usbdi_util.h>
  70 #include <bus/usb/usbdevs.h>
  71 #include <bus/usb/usb_quirks.h>
  72
  73 #define TIMEOUT         hz*16   /* wait up to 16 seconds for a ready */
  74 #define STEP            hz/4
  75
  76 #define ULPT_BSIZE      16384
  77
  78 #ifdef USB_DEBUG
  79 #define DPRINTF(x)      if (ulptdebug) logprintf x
  80 #define DPRINTFN(n,x)   if (ulptdebug>(n)) logprintf x
  81 int     ulptdebug = 0;
  82 SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
  83 SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
  84            &ulptdebug, 0, "ulpt debug level");
  85 #else
  86 #define DPRINTF(x)
  87 #define DPRINTFN(n,x)
  88 #endif
  89
  90 #define UR_GET_DEVICE_ID 0
  91 #define UR_GET_PORT_STATUS 1
  92 #define UR_SOFT_RESET 2
  93
  94 #define LPS_NERR                0x08    /* printer no error */
  95 #define LPS_SELECT              0x10    /* printer selected */
  96 #define LPS_NOPAPER             0x20    /* printer out of paper */
  97 #define LPS_INVERT      (LPS_SELECT|LPS_NERR)
  98 #define LPS_MASK        (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
  99
 100 struct ulpt_softc {
 101         USBBASEDEVICE sc_dev;
 102         usbd_device_handle sc_udev;     /* device */
 103         usbd_interface_handle sc_iface; /* interface */
 104         int sc_ifaceno;
 105
 106         int sc_out;
 107         usbd_pipe_handle sc_out_pipe;   /* bulk out pipe */
 108
 109         int sc_in;
 110         usbd_pipe_handle sc_in_pipe;    /* bulk in pipe */
 111         usbd_xfer_handle sc_in_xfer1;
 112         usbd_xfer_handle sc_in_xfer2;
 113         u_char sc_junk[64];     /* somewhere to dump input */
 114
 115         u_char sc_state;
 116 #define ULPT_OPEN       0x01    /* device is open */
 117 #define ULPT_OBUSY      0x02    /* printer is busy doing output */
 118 #define ULPT_INIT       0x04    /* waiting to initialize for open */
 119         u_char sc_flags;
 120 #define ULPT_NOPRIME    0x40    /* don't prime on open */
 121         u_char sc_laststatus;
 122
 123         int sc_refcnt;
 124         u_char sc_dying;
 125 };
 126
 127 #if defined(__NetBSD__)
 128 dev_type_open(ulptopen);
 129 dev_type_close(ulptclose);
 130 dev_type_write(ulptwrite);
 131 dev_type_ioctl(ulptioctl);
 132
 133 const struct cdevsw ulpt_cdevsw = {
 134         ulptopen, ulptclose, noread, ulptwrite, ulptioctl,
 135         nostop, notty, nopoll, nommap, nokqfilter,
 136 };
 137 #elif defined(__OpenBSD__)
 138 cdev_decl(ulpt);
 139 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 140 Static d_open_t ulptopen;
 141 Static d_close_t ulptclose;
 142 Static d_write_t ulptwrite;
 143 Static d_ioctl_t ulptioctl;
 144
 145 #define ULPT_CDEV_MAJOR 113
 146
 147 Static struct dev_ops ulpt_ops = {
 148         { "ulpt", ULPT_CDEV_MAJOR, 0 },
 149         .d_open =       ulptopen,
 150         .d_close =      ulptclose,
 151         .d_write =      ulptwrite,
 152         .d_ioctl =      ulptioctl,
 153 };
 154 #endif
 155
 156 void ulpt_disco(void *);
 157
 158 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
 159 int ulpt_status(struct ulpt_softc *);
 160 void ulpt_reset(struct ulpt_softc *);
 161 int ulpt_statusmsg(u_char, struct ulpt_softc *);
 162
 163 #if 0
 164 void ieee1284_print_id(char *);
 165 #endif
 166
 167 #define ULPTUNIT(s)     (minor(s) & 0x1f)
 168 #define ULPTFLAGS(s)    (minor(s) & 0xe0)
 169
 170
 171 USB_DECLARE_DRIVER(ulpt);
 172
 173 USB_MATCH(ulpt)
 174 {
 175         USB_MATCH_START(ulpt, uaa);
 176         usb_interface_descriptor_t *id;
 177
 178         DPRINTFN(10,("ulpt_match\n"));
 179         if (uaa->iface == NULL)
 180                 return (UMATCH_NONE);
 181         id = usbd_get_interface_descriptor(uaa->iface);
 182         if (id != NULL &&
 183             id->bInterfaceClass == UICLASS_PRINTER &&
 184             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
 185             (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
 186              id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
 187              id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
 188                 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
 189         return (UMATCH_NONE);
 190 }
 191
 192 USB_ATTACH(ulpt)
 193 {
 194         USB_ATTACH_START(ulpt, sc, uaa);
 195         usbd_device_handle dev = uaa->device;
 196         usbd_interface_handle iface = uaa->iface;
 197         usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
 198         usb_interface_descriptor_t *id, *iend;
 199         usb_config_descriptor_t *cdesc;
 200         usbd_status err;
 201         char devinfo[1024];
 202         usb_endpoint_descriptor_t *ed;
 203         u_int8_t epcount;
 204         int i, altno;
 205
 206         DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
 207         usbd_devinfo(dev, 0, devinfo);
 208         USB_ATTACH_SETUP;
 209         kprintf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
 210                devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass);
 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                        USBDEVNAME(sc->sc_dev));
 219                 USB_ATTACH_ERROR_RETURN;
 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                                USBDEVNAME(sc->sc_dev));
 251                         sc->sc_dying = 1;
 252                         USB_ATTACH_ERROR_RETURN;
 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         for (i = 0; i < epcount; i++) {
 262                 ed = usbd_interface2endpoint_descriptor(iface, i);
 263                 if (ed == NULL) {
 264                         kprintf("%s: couldn't get ep %d\n",
 265                             USBDEVNAME(sc->sc_dev), i);
 266                         USB_ATTACH_ERROR_RETURN;
 267                 }
 268                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 269                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 270                         sc->sc_in = ed->bEndpointAddress;
 271                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 272                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 273                         sc->sc_out = ed->bEndpointAddress;
 274                 }
 275         }
 276         if (sc->sc_out == -1) {
 277                 kprintf("%s: could not find bulk out endpoint\n",
 278                     USBDEVNAME(sc->sc_dev));
 279                 sc->sc_dying = 1;
 280                 USB_ATTACH_ERROR_RETURN;
 281         }
 282
 283         if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
 284                 /* This device doesn't handle reading properly. */
 285                 sc->sc_in = -1;
 286         }
 287
 288         kprintf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev),
 289                sc->sc_in >= 0 ? "bi" : "uni");
 290
 291         DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
 292
 293         sc->sc_iface = iface;
 294         sc->sc_ifaceno = id->bInterfaceNumber;
 295         sc->sc_udev = dev;
 296
 297 #if 0
 298 /*
 299  * This code is disabled because for some mysterious reason it causes
 300  * printing not to work.  But only sometimes, and mostly with
 301  * UHCI and less often with OHCI.  *sigh*
 302  */
 303         {
 304         usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
 305         usb_device_request_t req;
 306         int len, alen;
 307
 308         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 309         req.bRequest = UR_GET_DEVICE_ID;
 310         USETW(req.wValue, cd->bConfigurationValue);
 311         USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
 312         USETW(req.wLength, sizeof devinfo - 1);
 313         err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
 314                   &alen, USBD_DEFAULT_TIMEOUT);
 315         if (err) {
 316                 kprintf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
 317         } else if (alen <= 2) {
 318                 kprintf("%s: empty device id, no printer connected?\n",
 319                        USBDEVNAME(sc->sc_dev));
 320         } else {
 321                 /* devinfo now contains an IEEE-1284 device ID */
 322                 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
 323                 if (len > sizeof devinfo - 3)
 324                         len = sizeof devinfo - 3;
 325                 devinfo[len] = 0;
 326                 kprintf("%s: device id <", USBDEVNAME(sc->sc_dev));
 327                 ieee1284_print_id(devinfo+2);
 328                 kprintf(">\n");
 329         }
 330         }
 331 #endif
 332
 333 #if defined(__FreeBSD__) || defined(__DragonFly__)
 334         dev_ops_add(&ulpt_ops, -1, device_get_unit(self));
 335         make_dev(&ulpt_ops, device_get_unit(self),
 336                 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
 337         make_dev(&ulpt_ops,
 338                 device_get_unit(self)|ULPT_NOPRIME,
 339                 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
 340 #endif
 341
 342         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
 343                            USBDEV(sc->sc_dev));
 344
 345         USB_ATTACH_SUCCESS_RETURN;
 346 }
 347
 348 #if defined(__NetBSD__) || defined(__OpenBSD__)
 349 int
 350 ulpt_activate(device_ptr_t self, enum devact act)
 351 {
 352         struct ulpt_softc *sc = (struct ulpt_softc *)self;
 353
 354         switch (act) {
 355         case DVACT_ACTIVATE:
 356                 return (EOPNOTSUPP);
 357
 358         case DVACT_DEACTIVATE:
 359                 sc->sc_dying = 1;
 360                 break;
 361         }
 362         return (0);
 363 }
 364 #endif
 365
 366 USB_DETACH(ulpt)
 367 {
 368         USB_DETACH_START(ulpt, sc);
 369 #if defined(__NetBSD__) || defined(__OpenBSD__)
 370         int maj, mn;
 371 #endif
 372
 373 #if defined(__NetBSD__) || defined(__OpenBSD__)
 374         DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags));
 375 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 376         DPRINTF(("ulpt_detach: sc=%p\n", sc));
 377 #endif
 378
 379         sc->sc_dying = 1;
 380         if (sc->sc_out_pipe != NULL)
 381                 usbd_abort_pipe(sc->sc_out_pipe);
 382         if (sc->sc_in_pipe != NULL)
 383                 usbd_abort_pipe(sc->sc_in_pipe);
 384
 385         /*
 386          * Wait for any ongoing operations to complete before we actually
 387          * close things down.
 388          */
 389
 390         crit_enter();
 391         --sc->sc_refcnt;
 392         if (sc->sc_refcnt >= 0) {
 393                 kprintf("%s: waiting for idle\n", USBDEVNAME(sc->sc_dev));
 394                 while (sc->sc_refcnt >= 0)
 395                         usb_detach_wait(USBDEV(sc->sc_dev));
 396                 kprintf("%s: idle wait done\n", USBDEVNAME(sc->sc_dev));
 397         }
 398         crit_exit();
 399
 400 #if defined(__NetBSD__) || defined(__OpenBSD__)
 401         /* locate the major number */
 402 #if defined(__NetBSD__)
 403         maj = cdevsw_lookup_major(&ulpt_cdevsw);
 404 #elif defined(__OpenBSD__)
 405         for (maj = 0; maj < nchrdev; maj++)
 406                 if (cdevsw[maj].d_open == ulptopen)
 407                         break;
 408 #endif
 409
 410         /* Nuke the vnodes for any open instances (calls close). */
 411         mn = self->dv_unit;
 412         vdevgone(maj, mn, mn, VCHR);
 413 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 414         dev_ops_remove(&ulpt_ops, -1, device_get_unit(self));
 415 #endif
 416
 417         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
 418                            USBDEV(sc->sc_dev));
 419
 420         return (0);
 421 }
 422
 423 int
 424 ulpt_status(struct ulpt_softc *sc)
 425 {
 426         usb_device_request_t req;
 427         usbd_status err;
 428         u_char status;
 429
 430         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 431         req.bRequest = UR_GET_PORT_STATUS;
 432         USETW(req.wValue, 0);
 433         USETW(req.wIndex, sc->sc_ifaceno);
 434         USETW(req.wLength, 1);
 435         err = usbd_do_request(sc->sc_udev, &req, &status);
 436         DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
 437         if (!err)
 438                 return (status);
 439         else
 440                 return (0);
 441 }
 442
 443 void
 444 ulpt_reset(struct ulpt_softc *sc)
 445 {
 446         usb_device_request_t req;
 447
 448         DPRINTFN(1, ("ulpt_reset\n"));
 449         req.bRequest = UR_SOFT_RESET;
 450         USETW(req.wValue, 0);
 451         USETW(req.wIndex, sc->sc_ifaceno);
 452         USETW(req.wLength, 0);
 453
 454         /*
 455          * There was a mistake in the USB printer 1.0 spec that gave the
 456          * request type as UT_WRITE_CLASS_OTHER; it should have been
 457          * UT_WRITE_CLASS_INTERFACE.  Many printers use the old one,
 458          * so we try both.
 459          */
 460         req.bmRequestType = UT_WRITE_CLASS_OTHER;
 461         if (usbd_do_request(sc->sc_udev, &req, 0)) {    /* 1.0 */
 462                 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 463                 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
 464         }
 465 }
 466
 467 static void
 468 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 469 {
 470         struct ulpt_softc *sc = priv;
 471         u_int32_t count;
 472
 473         /* Don't loop on errors or 0-length input. */
 474         usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
 475         if (status != USBD_NORMAL_COMPLETION || count == 0)
 476                 return;
 477
 478         DPRINTFN(2,("ulpt_input: got some data\n"));
 479         /* Do it again. */
 480         if (xfer == sc->sc_in_xfer1)
 481                 usbd_transfer(sc->sc_in_xfer2);
 482         else
 483                 usbd_transfer(sc->sc_in_xfer1);
 484 }
 485
 486 int ulptusein = 1;
 487
 488 /*
 489  * Reset the printer, then wait until it's selected and not busy.
 490  */
 491 int
 492 ulptopen(struct dev_open_args *ap)
 493 {
 494         cdev_t dev = ap->a_head.a_dev;
 495         u_char flags = ULPTFLAGS(dev);
 496         struct ulpt_softc *sc;
 497         usbd_status err;
 498         int spin, error;
 499
 500         USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
 501
 502         if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
 503                 return (ENXIO);
 504
 505         if (sc->sc_state)
 506                 return (EBUSY);
 507
 508         sc->sc_state = ULPT_INIT;
 509         sc->sc_flags = flags;
 510         DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
 511
 512 #if defined(USB_DEBUG) && (defined(__FreeBSD__) || defined(__DragonFly__))
 513         /* Ignoring these flags might not be a good idea */
 514         if ((flags & ~ULPT_NOPRIME) != 0)
 515                 kprintf("ulptopen: flags ignored: %b\n", flags,
 516                         "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
 517 #endif
 518
 519         error = 0;
 520         sc->sc_refcnt++;
 521
 522         if ((flags & ULPT_NOPRIME) == 0) {
 523                 ulpt_reset(sc);
 524                 if (sc->sc_dying) {
 525                         error = ENXIO;
 526                         sc->sc_state = 0;
 527                         goto done;
 528                 }
 529         }
 530
 531         for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
 532                 DPRINTF(("ulpt_open: waiting a while\n"));
 533                 if (spin >= TIMEOUT) {
 534                         error = EBUSY;
 535                         sc->sc_state = 0;
 536                         goto done;
 537                 }
 538
 539                 /* wait 1/4 second, give up if we get a signal */
 540                 error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP);
 541                 if (error != EWOULDBLOCK) {
 542                         sc->sc_state = 0;
 543                         goto done;
 544                 }
 545
 546                 if (sc->sc_dying) {
 547                         error = ENXIO;
 548                         sc->sc_state = 0;
 549                         goto done;
 550                 }
 551         }
 552
 553         err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
 554         if (err) {
 555                 sc->sc_state = 0;
 556                 error = EIO;
 557                 goto done;
 558         }
 559
 560         if (ulptusein && sc->sc_in != -1) {
 561                 DPRINTF(("ulpt_open: open input pipe\n"));
 562                 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
 563                 if (err) {
 564                         error = EIO;
 565                         usbd_close_pipe(sc->sc_out_pipe);
 566                         sc->sc_out_pipe = NULL;
 567                         sc->sc_state = 0;
 568                         goto done;
 569                 }
 570                 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
 571                 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
 572                 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
 573                         error = ENOMEM;
 574                         if (sc->sc_in_xfer1 != NULL) {
 575                                 usbd_free_xfer(sc->sc_in_xfer1);
 576                                 sc->sc_in_xfer1 = NULL;
 577                         }
 578                         if (sc->sc_in_xfer2 != NULL) {
 579                                 usbd_free_xfer(sc->sc_in_xfer2);
 580                                 sc->sc_in_xfer2 = NULL;
 581                         }
 582                         usbd_close_pipe(sc->sc_out_pipe);
 583                         sc->sc_out_pipe = NULL;
 584                         usbd_close_pipe(sc->sc_in_pipe);
 585                         sc->sc_in_pipe = NULL;
 586                         sc->sc_state = 0;
 587                         goto done;
 588                 }
 589                 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
 590                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 591                     USBD_NO_TIMEOUT, ulpt_input);
 592                 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
 593                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 594                     USBD_NO_TIMEOUT, ulpt_input);
 595                 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
 596         }
 597
 598         sc->sc_state = ULPT_OPEN;
 599
 600 done:
 601         if (--sc->sc_refcnt < 0)
 602                 usb_detach_wakeup(USBDEV(sc->sc_dev));
 603
 604         DPRINTF(("ulptopen: done, error=%d\n", error));
 605         return (error);
 606 }
 607
 608 int
 609 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
 610 {
 611         u_char new;
 612
 613         status = (status ^ LPS_INVERT) & LPS_MASK;
 614         new = status & ~sc->sc_laststatus;
 615         sc->sc_laststatus = status;
 616
 617         if (new & LPS_SELECT)
 618                 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
 619         else if (new & LPS_NOPAPER)
 620                 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
 621         else if (new & LPS_NERR)
 622                 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
 623
 624         return (status);
 625 }
 626
 627 int
 628 ulptclose(struct dev_close_args *ap)
 629 {
 630         cdev_t dev = ap->a_head.a_dev;
 631         struct ulpt_softc *sc;
 632
 633         USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
 634
 635         if (sc->sc_state != ULPT_OPEN)
 636                 /* We are being forced to close before the open completed. */
 637                 return (0);
 638
 639         if (sc->sc_out_pipe != NULL) {
 640                 usbd_close_pipe(sc->sc_out_pipe);
 641                 sc->sc_out_pipe = NULL;
 642         }
 643         if (sc->sc_in_pipe != NULL) {
 644                 usbd_abort_pipe(sc->sc_in_pipe);
 645                 usbd_close_pipe(sc->sc_in_pipe);
 646                 sc->sc_in_pipe = NULL;
 647                 if (sc->sc_in_xfer1 != NULL) {
 648                         usbd_free_xfer(sc->sc_in_xfer1);
 649                         sc->sc_in_xfer1 = NULL;
 650                 }
 651                 if (sc->sc_in_xfer2 != NULL) {
 652                         usbd_free_xfer(sc->sc_in_xfer2);
 653                         sc->sc_in_xfer2 = NULL;
 654                 }
 655         }
 656
 657         sc->sc_state = 0;
 658
 659         DPRINTF(("ulptclose: closed\n"));
 660         return (0);
 661 }
 662
 663 int
 664 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
 665 {
 666         u_int32_t n;
 667         int error = 0;
 668         void *bufp;
 669         usbd_xfer_handle xfer;
 670         usbd_status err;
 671
 672         DPRINTF(("ulptwrite\n"));
 673         xfer = usbd_alloc_xfer(sc->sc_udev);
 674         if (xfer == NULL)
 675                 return (ENOMEM);
 676         bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
 677         if (bufp == NULL) {
 678                 usbd_free_xfer(xfer);
 679                 return (ENOMEM);
 680         }
 681         while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
 682                 ulpt_statusmsg(ulpt_status(sc), sc);
 683                 error = uiomove(bufp, n, uio);
 684                 if (error)
 685                         break;
 686                 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
 687                 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
 688                           USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
 689                 if (err) {
 690                         DPRINTF(("ulptwrite: error=%d\n", err));
 691                         error = EIO;
 692                         break;
 693                 }
 694         }
 695         usbd_free_xfer(xfer);
 696
 697         return (error);
 698 }
 699
 700 int
 701 ulptwrite(struct dev_write_args *ap)
 702 {
 703         cdev_t dev = ap->a_head.a_dev;
 704         struct ulpt_softc *sc;
 705         int error;
 706
 707         USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
 708
 709         if (sc->sc_dying)
 710                 return (EIO);
 711
 712         sc->sc_refcnt++;
 713         error = ulpt_do_write(sc, ap->a_uio, ap->a_ioflag);
 714         if (--sc->sc_refcnt < 0)
 715                 usb_detach_wakeup(USBDEV(sc->sc_dev));
 716         return (error);
 717 }
 718
 719 int
 720 ulptioctl(struct dev_ioctl_args *ap)
 721 {
 722         int error = 0;
 723
 724         switch (ap->a_cmd) {
 725         default:
 726                 error = ENODEV;
 727         }
 728
 729         return (error);
 730 }
 731
 732 #if 0
 733 /* XXX This does not belong here. */
 734 /*
 735  * Print select parts of an IEEE 1284 device ID.
 736  */
 737 void
 738 ieee1284_print_id(char *str)
 739 {
 740         char *p, *q;
 741
 742         for (p = str-1; p; p = strchr(p, ';')) {
 743                 p++;            /* skip ';' */
 744                 if (strncmp(p, "MFG:", 4) == 0 ||
 745                     strncmp(p, "MANUFACTURER:", 14) == 0 ||
 746                     strncmp(p, "MDL:", 4) == 0 ||
 747                     strncmp(p, "MODEL:", 6) == 0) {
 748                         q = strchr(p, ';');
 749                         if (q)
 750                                 kprintf("%.*s", (int)(q - p + 1), p);
 751                 }
 752         }
 753 }
 754 #endif
 755
 756 #if defined(__FreeBSD__) || defined(__DragonFly__)
 757 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
 758 #endif