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 1.9 2004/05/13 23:49:21 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 #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/syslog.h>
  63 #include <sys/sysctl.h>
  64
  65 #include <bus/usb/usb.h>
  66 #include <bus/usb/usbdi.h>
  67 #include <bus/usb/usbdi_util.h>
  68 #include <bus/usb/usbdevs.h>
  69 #include <bus/usb/usb_quirks.h>
  70
  71 #define TIMEOUT         hz*16   /* wait up to 16 seconds for a ready */
  72 #define STEP            hz/4
  73
  74 #define ULPT_BSIZE      16384
  75
  76 #ifdef USB_DEBUG
  77 #define DPRINTF(x)      if (ulptdebug) logprintf x
  78 #define DPRINTFN(n,x)   if (ulptdebug>(n)) logprintf x
  79 int     ulptdebug = 0;
  80 SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
  81 SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
  82            &ulptdebug, 0, "ulpt debug level");
  83 #else
  84 #define DPRINTF(x)
  85 #define DPRINTFN(n,x)
  86 #endif
  87
  88 #define UR_GET_DEVICE_ID 0
  89 #define UR_GET_PORT_STATUS 1
  90 #define UR_SOFT_RESET 2
  91
  92 #define LPS_NERR                0x08    /* printer no error */
  93 #define LPS_SELECT              0x10    /* printer selected */
  94 #define LPS_NOPAPER             0x20    /* printer out of paper */
  95 #define LPS_INVERT      (LPS_SELECT|LPS_NERR)
  96 #define LPS_MASK        (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
  97
  98 struct ulpt_softc {
  99         USBBASEDEVICE sc_dev;
 100         usbd_device_handle sc_udev;     /* device */
 101         usbd_interface_handle sc_iface; /* interface */
 102         int sc_ifaceno;
 103
 104         int sc_out;
 105         usbd_pipe_handle sc_out_pipe;   /* bulk out pipe */
 106
 107         int sc_in;
 108         usbd_pipe_handle sc_in_pipe;    /* bulk in pipe */
 109         usbd_xfer_handle sc_in_xfer1;
 110         usbd_xfer_handle sc_in_xfer2;
 111         u_char sc_junk[64];     /* somewhere to dump input */
 112
 113         u_char sc_state;
 114 #define ULPT_OPEN       0x01    /* device is open */
 115 #define ULPT_OBUSY      0x02    /* printer is busy doing output */
 116 #define ULPT_INIT       0x04    /* waiting to initialize for open */
 117         u_char sc_flags;
 118 #define ULPT_NOPRIME    0x40    /* don't prime on open */
 119         u_char sc_laststatus;
 120
 121         int sc_refcnt;
 122         u_char sc_dying;
 123
 124 #if defined(__FreeBSD__) || defined(__DragonFly__)
 125         dev_t dev;
 126         dev_t dev_noprime;
 127 #endif
 128 };
 129
 130 #if defined(__NetBSD__)
 131 dev_type_open(ulptopen);
 132 dev_type_close(ulptclose);
 133 dev_type_write(ulptwrite);
 134 dev_type_ioctl(ulptioctl);
 135
 136 const struct cdevsw ulpt_cdevsw = {
 137         ulptopen, ulptclose, noread, ulptwrite, ulptioctl,
 138         nostop, notty, nopoll, nommap, nokqfilter,
 139 };
 140 #elif defined(__OpenBSD__)
 141 cdev_decl(ulpt);
 142 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 143 Static d_open_t ulptopen;
 144 Static d_close_t ulptclose;
 145 Static d_write_t ulptwrite;
 146 Static d_ioctl_t ulptioctl;
 147
 148 #define ULPT_CDEV_MAJOR 113
 149
 150 Static struct cdevsw ulpt_cdevsw = {
 151         /* name */      "ulpt",
 152         /* maj */       ULPT_CDEV_MAJOR,
 153         /* flags */     0,
 154         /* port */      NULL,
 155         /* clone */     NULL,
 156
 157         /* open */      ulptopen,
 158         /* close */     ulptclose,
 159         /* read */      noread,
 160         /* write */     ulptwrite,
 161         /* ioctl */     ulptioctl,
 162         /* poll */      nopoll,
 163         /* mmap */      nommap,
 164         /* strategy */  nostrategy,
 165         /* dump */      nodump,
 166         /* psize */     nopsize
 167 };
 168 #endif
 169
 170 void ulpt_disco(void *);
 171
 172 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
 173 int ulpt_status(struct ulpt_softc *);
 174 void ulpt_reset(struct ulpt_softc *);
 175 int ulpt_statusmsg(u_char, struct ulpt_softc *);
 176
 177 #if 0
 178 void ieee1284_print_id(char *);
 179 #endif
 180
 181 #define ULPTUNIT(s)     (minor(s) & 0x1f)
 182 #define ULPTFLAGS(s)    (minor(s) & 0xe0)
 183
 184
 185 USB_DECLARE_DRIVER(ulpt);
 186
 187 USB_MATCH(ulpt)
 188 {
 189         USB_MATCH_START(ulpt, uaa);
 190         usb_interface_descriptor_t *id;
 191
 192         DPRINTFN(10,("ulpt_match\n"));
 193         if (uaa->iface == NULL)
 194                 return (UMATCH_NONE);
 195         id = usbd_get_interface_descriptor(uaa->iface);
 196         if (id != NULL &&
 197             id->bInterfaceClass == UICLASS_PRINTER &&
 198             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
 199             (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
 200              id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
 201              id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
 202                 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
 203         return (UMATCH_NONE);
 204 }
 205
 206 USB_ATTACH(ulpt)
 207 {
 208         USB_ATTACH_START(ulpt, sc, uaa);
 209         usbd_device_handle dev = uaa->device;
 210         usbd_interface_handle iface = uaa->iface;
 211         usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
 212         usb_interface_descriptor_t *id, *iend;
 213         usb_config_descriptor_t *cdesc;
 214         usbd_status err;
 215         char devinfo[1024];
 216         usb_endpoint_descriptor_t *ed;
 217         u_int8_t epcount;
 218         int i, altno;
 219
 220         DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
 221         usbd_devinfo(dev, 0, devinfo);
 222         USB_ATTACH_SETUP;
 223         printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
 224                devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass);
 225
 226         /* XXX
 227          * Stepping through the alternate settings needs to be abstracted out.
 228          */
 229         cdesc = usbd_get_config_descriptor(dev);
 230         if (cdesc == NULL) {
 231                 printf("%s: failed to get configuration descriptor\n",
 232                        USBDEVNAME(sc->sc_dev));
 233                 USB_ATTACH_ERROR_RETURN;
 234         }
 235         iend = (usb_interface_descriptor_t *)
 236                    ((char *)cdesc + UGETW(cdesc->wTotalLength));
 237 #ifdef DIAGNOSTIC
 238         if (ifcd < (usb_interface_descriptor_t *)cdesc ||
 239             ifcd >= iend)
 240                 panic("ulpt: iface desc out of range");
 241 #endif
 242         /* Step through all the descriptors looking for bidir mode */
 243         for (id = ifcd, altno = 0;
 244              id < iend;
 245              id = (void *)((char *)id + id->bLength)) {
 246                 if (id->bDescriptorType == UDESC_INTERFACE &&
 247                     id->bInterfaceNumber == ifcd->bInterfaceNumber) {
 248                         if (id->bInterfaceClass == UICLASS_PRINTER &&
 249                             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
 250                             (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /* ||
 251                              id->bInterfaceProtocol == UIPROTO_PRINTER_1284 */))
 252                                 goto found;
 253                         altno++;
 254                 }
 255         }
 256         id = ifcd;              /* not found, use original */
 257  found:
 258         if (id != ifcd) {
 259                 /* Found a new bidir setting */
 260                 DPRINTF(("ulpt_attach: set altno = %d\n", altno));
 261                 err = usbd_set_interface(iface, altno);
 262                 if (err) {
 263                         printf("%s: setting alternate interface failed\n",
 264                                USBDEVNAME(sc->sc_dev));
 265                         sc->sc_dying = 1;
 266                         USB_ATTACH_ERROR_RETURN;
 267                 }
 268         }
 269
 270         epcount = 0;
 271         (void)usbd_endpoint_count(iface, &epcount);
 272
 273         sc->sc_in = -1;
 274         sc->sc_out = -1;
 275         for (i = 0; i < epcount; i++) {
 276                 ed = usbd_interface2endpoint_descriptor(iface, i);
 277                 if (ed == NULL) {
 278                         printf("%s: couldn't get ep %d\n",
 279                             USBDEVNAME(sc->sc_dev), i);
 280                         USB_ATTACH_ERROR_RETURN;
 281                 }
 282                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 283                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 284                         sc->sc_in = ed->bEndpointAddress;
 285                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 286                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 287                         sc->sc_out = ed->bEndpointAddress;
 288                 }
 289         }
 290         if (sc->sc_out == -1) {
 291                 printf("%s: could not find bulk out endpoint\n",
 292                     USBDEVNAME(sc->sc_dev));
 293                 sc->sc_dying = 1;
 294                 USB_ATTACH_ERROR_RETURN;
 295         }
 296
 297         if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
 298                 /* This device doesn't handle reading properly. */
 299                 sc->sc_in = -1;
 300         }
 301
 302         printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev),
 303                sc->sc_in >= 0 ? "bi" : "uni");
 304
 305         DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
 306
 307         sc->sc_iface = iface;
 308         sc->sc_ifaceno = id->bInterfaceNumber;
 309         sc->sc_udev = dev;
 310
 311 #if 0
 312 /*
 313  * This code is disabled because for some mysterious reason it causes
 314  * printing not to work.  But only sometimes, and mostly with
 315  * UHCI and less often with OHCI.  *sigh*
 316  */
 317         {
 318         usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
 319         usb_device_request_t req;
 320         int len, alen;
 321
 322         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 323         req.bRequest = UR_GET_DEVICE_ID;
 324         USETW(req.wValue, cd->bConfigurationValue);
 325         USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
 326         USETW(req.wLength, sizeof devinfo - 1);
 327         err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
 328                   &alen, USBD_DEFAULT_TIMEOUT);
 329         if (err) {
 330                 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
 331         } else if (alen <= 2) {
 332                 printf("%s: empty device id, no printer connected?\n",
 333                        USBDEVNAME(sc->sc_dev));
 334         } else {
 335                 /* devinfo now contains an IEEE-1284 device ID */
 336                 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
 337                 if (len > sizeof devinfo - 3)
 338                         len = sizeof devinfo - 3;
 339                 devinfo[len] = 0;
 340                 printf("%s: device id <", USBDEVNAME(sc->sc_dev));
 341                 ieee1284_print_id(devinfo+2);
 342                 printf(">\n");
 343         }
 344         }
 345 #endif
 346
 347 #if defined(__FreeBSD__) || defined(__DragonFly__)
 348         sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self),
 349                 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
 350         sc->dev_noprime = make_dev(&ulpt_cdevsw,
 351                 device_get_unit(self)|ULPT_NOPRIME,
 352                 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
 353 #endif
 354
 355         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
 356                            USBDEV(sc->sc_dev));
 357
 358         USB_ATTACH_SUCCESS_RETURN;
 359 }
 360
 361 #if defined(__NetBSD__) || defined(__OpenBSD__)
 362 int
 363 ulpt_activate(device_ptr_t self, enum devact act)
 364 {
 365         struct ulpt_softc *sc = (struct ulpt_softc *)self;
 366
 367         switch (act) {
 368         case DVACT_ACTIVATE:
 369                 return (EOPNOTSUPP);
 370
 371         case DVACT_DEACTIVATE:
 372                 sc->sc_dying = 1;
 373                 break;
 374         }
 375         return (0);
 376 }
 377 #endif
 378
 379 USB_DETACH(ulpt)
 380 {
 381         USB_DETACH_START(ulpt, sc);
 382         int s;
 383 #if defined(__NetBSD__) || defined(__OpenBSD__)
 384         int maj, mn;
 385 #endif
 386
 387 #if defined(__NetBSD__) || defined(__OpenBSD__)
 388         DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags));
 389 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 390         DPRINTF(("ulpt_detach: sc=%p\n", sc));
 391 #endif
 392
 393         sc->sc_dying = 1;
 394         if (sc->sc_out_pipe != NULL)
 395                 usbd_abort_pipe(sc->sc_out_pipe);
 396         if (sc->sc_in_pipe != NULL)
 397                 usbd_abort_pipe(sc->sc_in_pipe);
 398
 399         s = splusb();
 400         if (--sc->sc_refcnt >= 0) {
 401                 /* There is noone to wake, aborting the pipe is enough */
 402                 /* Wait for processes to go away. */
 403                 usb_detach_wait(USBDEV(sc->sc_dev));
 404         }
 405         splx(s);
 406
 407 #if defined(__NetBSD__) || defined(__OpenBSD__)
 408         /* locate the major number */
 409 #if defined(__NetBSD__)
 410         maj = cdevsw_lookup_major(&ulpt_cdevsw);
 411 #elif defined(__OpenBSD__)
 412         for (maj = 0; maj < nchrdev; maj++)
 413                 if (cdevsw[maj].d_open == ulptopen)
 414                         break;
 415 #endif
 416
 417         /* Nuke the vnodes for any open instances (calls close). */
 418         mn = self->dv_unit;
 419         vdevgone(maj, mn, mn, VCHR);
 420 #elif defined(__FreeBSD__) || defined(__DragonFly__)
 421         destroy_dev(sc->dev);
 422         destroy_dev(sc->dev_noprime);
 423 #endif
 424
 425         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
 426                            USBDEV(sc->sc_dev));
 427
 428         return (0);
 429 }
 430
 431 int
 432 ulpt_status(struct ulpt_softc *sc)
 433 {
 434         usb_device_request_t req;
 435         usbd_status err;
 436         u_char status;
 437
 438         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 439         req.bRequest = UR_GET_PORT_STATUS;
 440         USETW(req.wValue, 0);
 441         USETW(req.wIndex, sc->sc_ifaceno);
 442         USETW(req.wLength, 1);
 443         err = usbd_do_request(sc->sc_udev, &req, &status);
 444         DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
 445         if (!err)
 446                 return (status);
 447         else
 448                 return (0);
 449 }
 450
 451 void
 452 ulpt_reset(struct ulpt_softc *sc)
 453 {
 454         usb_device_request_t req;
 455
 456         DPRINTFN(1, ("ulpt_reset\n"));
 457         req.bRequest = UR_SOFT_RESET;
 458         USETW(req.wValue, 0);
 459         USETW(req.wIndex, sc->sc_ifaceno);
 460         USETW(req.wLength, 0);
 461
 462         /*
 463          * There was a mistake in the USB printer 1.0 spec that gave the
 464          * request type as UT_WRITE_CLASS_OTHER; it should have been
 465          * UT_WRITE_CLASS_INTERFACE.  Many printers use the old one,
 466          * so we try both.
 467          */
 468         req.bmRequestType = UT_WRITE_CLASS_OTHER;
 469         if (usbd_do_request(sc->sc_udev, &req, 0)) {    /* 1.0 */
 470                 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 471                 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
 472         }
 473 }
 474
 475 static void
 476 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 477 {
 478         struct ulpt_softc *sc = priv;
 479         u_int32_t count;
 480
 481         /* Don't loop on errors or 0-length input. */
 482         usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
 483         if (status != USBD_NORMAL_COMPLETION || count == 0)
 484                 return;
 485
 486         DPRINTFN(2,("ulpt_input: got some data\n"));
 487         /* Do it again. */
 488         if (xfer == sc->sc_in_xfer1)
 489                 usbd_transfer(sc->sc_in_xfer2);
 490         else
 491                 usbd_transfer(sc->sc_in_xfer1);
 492 }
 493
 494 int ulptusein = 1;
 495
 496 /*
 497  * Reset the printer, then wait until it's selected and not busy.
 498  */
 499 int
 500 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
 501 {
 502         u_char flags = ULPTFLAGS(dev);
 503         struct ulpt_softc *sc;
 504         usbd_status err;
 505         int spin, error;
 506
 507         USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
 508
 509         if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
 510                 return (ENXIO);
 511
 512         if (sc->sc_state)
 513                 return (EBUSY);
 514
 515         sc->sc_state = ULPT_INIT;
 516         sc->sc_flags = flags;
 517         DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
 518
 519 #if defined(USB_DEBUG) && (defined(__FreeBSD__) || defined(__DragonFly__))
 520         /* Ignoring these flags might not be a good idea */
 521         if ((flags & ~ULPT_NOPRIME) != 0)
 522                 printf("ulptopen: flags ignored: %b\n", flags,
 523                         "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
 524 #endif
 525
 526         error = 0;
 527         sc->sc_refcnt++;
 528
 529         if ((flags & ULPT_NOPRIME) == 0) {
 530                 ulpt_reset(sc);
 531                 if (sc->sc_dying) {
 532                         error = ENXIO;
 533                         sc->sc_state = 0;
 534                         goto done;
 535                 }
 536         }
 537
 538         for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
 539                 DPRINTF(("ulpt_open: waiting a while\n"));
 540                 if (spin >= TIMEOUT) {
 541                         error = EBUSY;
 542                         sc->sc_state = 0;
 543                         goto done;
 544                 }
 545
 546                 /* wait 1/4 second, give up if we get a signal */
 547                 error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP);
 548                 if (error != EWOULDBLOCK) {
 549                         sc->sc_state = 0;
 550                         goto done;
 551                 }
 552
 553                 if (sc->sc_dying) {
 554                         error = ENXIO;
 555                         sc->sc_state = 0;
 556                         goto done;
 557                 }
 558         }
 559
 560         err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
 561         if (err) {
 562                 sc->sc_state = 0;
 563                 error = EIO;
 564                 goto done;
 565         }
 566
 567         if (ulptusein && sc->sc_in != -1) {
 568                 DPRINTF(("ulpt_open: open input pipe\n"));
 569                 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
 570                 if (err) {
 571                         error = EIO;
 572                         usbd_close_pipe(sc->sc_out_pipe);
 573                         sc->sc_out_pipe = NULL;
 574                         sc->sc_state = 0;
 575                         goto done;
 576                 }
 577                 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
 578                 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
 579                 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
 580                         error = ENOMEM;
 581                         if (sc->sc_in_xfer1 != NULL) {
 582                                 usbd_free_xfer(sc->sc_in_xfer1);
 583                                 sc->sc_in_xfer1 = NULL;
 584                         }
 585                         if (sc->sc_in_xfer2 != NULL) {
 586                                 usbd_free_xfer(sc->sc_in_xfer2);
 587                                 sc->sc_in_xfer2 = NULL;
 588                         }
 589                         usbd_close_pipe(sc->sc_out_pipe);
 590                         sc->sc_out_pipe = NULL;
 591                         usbd_close_pipe(sc->sc_in_pipe);
 592                         sc->sc_in_pipe = NULL;
 593                         sc->sc_state = 0;
 594                         goto done;
 595                 }
 596                 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
 597                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 598                     USBD_NO_TIMEOUT, ulpt_input);
 599                 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
 600                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
 601                     USBD_NO_TIMEOUT, ulpt_input);
 602                 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
 603         }
 604
 605         sc->sc_state = ULPT_OPEN;
 606
 607 done:
 608         if (--sc->sc_refcnt < 0)
 609                 usb_detach_wakeup(USBDEV(sc->sc_dev));
 610
 611         DPRINTF(("ulptopen: done, error=%d\n", error));
 612         return (error);
 613 }
 614
 615 int
 616 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
 617 {
 618         u_char new;
 619
 620         status = (status ^ LPS_INVERT) & LPS_MASK;
 621         new = status & ~sc->sc_laststatus;
 622         sc->sc_laststatus = status;
 623
 624         if (new & LPS_SELECT)
 625                 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
 626         else if (new & LPS_NOPAPER)
 627                 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
 628         else if (new & LPS_NERR)
 629                 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
 630
 631         return (status);
 632 }
 633
 634 int
 635 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
 636 {
 637         struct ulpt_softc *sc;
 638
 639         USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
 640
 641         if (sc->sc_state != ULPT_OPEN)
 642                 /* We are being forced to close before the open completed. */
 643                 return (0);
 644
 645         if (sc->sc_out_pipe != NULL) {
 646                 usbd_close_pipe(sc->sc_out_pipe);
 647                 sc->sc_out_pipe = NULL;
 648         }
 649         if (sc->sc_in_pipe != NULL) {
 650                 usbd_abort_pipe(sc->sc_in_pipe);
 651                 usbd_close_pipe(sc->sc_in_pipe);
 652                 sc->sc_in_pipe = NULL;
 653                 if (sc->sc_in_xfer1 != NULL) {
 654                         usbd_free_xfer(sc->sc_in_xfer1);
 655                         sc->sc_in_xfer1 = NULL;
 656                 }
 657                 if (sc->sc_in_xfer2 != NULL) {
 658                         usbd_free_xfer(sc->sc_in_xfer2);
 659                         sc->sc_in_xfer2 = NULL;
 660                 }
 661         }
 662
 663         sc->sc_state = 0;
 664
 665         DPRINTF(("ulptclose: closed\n"));
 666         return (0);
 667 }
 668
 669 int
 670 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
 671 {
 672         u_int32_t n;
 673         int error = 0;
 674         void *bufp;
 675         usbd_xfer_handle xfer;
 676         usbd_status err;
 677
 678         DPRINTF(("ulptwrite\n"));
 679         xfer = usbd_alloc_xfer(sc->sc_udev);
 680         if (xfer == NULL)
 681                 return (ENOMEM);
 682         bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
 683         if (bufp == NULL) {
 684                 usbd_free_xfer(xfer);
 685                 return (ENOMEM);
 686         }
 687         while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
 688                 ulpt_statusmsg(ulpt_status(sc), sc);
 689                 error = uiomove(bufp, n, uio);
 690                 if (error)
 691                         break;
 692                 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
 693                 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
 694                           USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
 695                 if (err) {
 696                         DPRINTF(("ulptwrite: error=%d\n", err));
 697                         error = EIO;
 698                         break;
 699                 }
 700         }
 701         usbd_free_xfer(xfer);
 702
 703         return (error);
 704 }
 705
 706 int
 707 ulptwrite(dev_t dev, struct uio *uio, int flags)
 708 {
 709         struct ulpt_softc *sc;
 710         int error;
 711
 712         USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
 713
 714         if (sc->sc_dying)
 715                 return (EIO);
 716
 717         sc->sc_refcnt++;
 718         error = ulpt_do_write(sc, uio, flags);
 719         if (--sc->sc_refcnt < 0)
 720                 usb_detach_wakeup(USBDEV(sc->sc_dev));
 721         return (error);
 722 }
 723
 724 int
 725 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
 726 {
 727         int error = 0;
 728
 729         switch (cmd) {
 730         default:
 731                 error = ENODEV;
 732         }
 733
 734         return (error);
 735 }
 736
 737 #if 0
 738 /* XXX This does not belong here. */
 739 /*
 740  * Print select parts of an IEEE 1284 device ID.
 741  */
 742 void
 743 ieee1284_print_id(char *str)
 744 {
 745         char *p, *q;
 746
 747         for (p = str-1; p; p = strchr(p, ';')) {
 748                 p++;            /* skip ';' */
 749                 if (strncmp(p, "MFG:", 4) == 0 ||
 750                     strncmp(p, "MANUFACTURER:", 14) == 0 ||
 751                     strncmp(p, "MDL:", 4) == 0 ||
 752                     strncmp(p, "MODEL:", 6) == 0) {
 753                         q = strchr(p, ';');
 754                         if (q)
 755                                 printf("%.*s", (int)(q - p + 1), p);
 756                 }
 757         }
 758 }
 759 #endif
 760
 761 #if defined(__FreeBSD__) || defined(__DragonFly__)
 762 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
 763 #endif