1 /* $OpenBSD: ulpt.c,v 1.17 2003/05/19 00:35:43 nate Exp $ */ 2 /* $NetBSD: ulpt.c,v 1.57 2003/01/05 10:19:42 scw Exp $ */ 3 /* $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.24 1999/11/17 22:33:44 n_hibma Exp $ */ 4 5 /* 6 * Copyright (c) 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * This code is derived from software contributed to The NetBSD Foundation 10 * by Lennart Augustsson (lennart@augustsson.net) at 11 * Carlstedt Research & Technology. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the NetBSD 24 * Foundation, Inc. and its contributors. 25 * 4. Neither the name of The NetBSD Foundation nor the names of its 26 * contributors may be used to endorse or promote products derived 27 * from this software without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 30 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 31 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 32 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 33 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 34 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 35 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 36 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 37 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 39 * POSSIBILITY OF SUCH DAMAGE. 40 */ 41 42 /* 43 * Printer Class spec: 44 * http://www.usb.org/developers/data/devclass/usbprint11.pdf 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/proc.h> 50 #include <sys/kernel.h> 51 #if defined(__NetBSD__) || defined(__OpenBSD__) 52 #include <sys/device.h> 53 #include <sys/ioctl.h> 54 #elif defined(__FreeBSD__) 55 #include <sys/ioccom.h> 56 #include <sys/module.h> 57 #include <sys/bus.h> 58 #endif 59 #include <sys/uio.h> 60 #include <sys/conf.h> 61 #include <sys/vnode.h> 62 #include <sys/syslog.h> 63 64 #include <dev/usb/usb.h> 65 #include <dev/usb/usbdi.h> 66 #include <dev/usb/usbdi_util.h> 67 #include <dev/usb/usbdevs.h> 68 #include <dev/usb/usb_quirks.h> 69 70 #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */ 71 #define STEP hz/4 72 73 #define LPTPRI (PZERO+8) 74 #define ULPT_BSIZE 16384 75 76 #ifdef ULPT_DEBUG 77 #define DPRINTF(x) if (ulptdebug) logprintf x 78 #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x 79 int ulptdebug = 0; 80 #else 81 #define DPRINTF(x) 82 #define DPRINTFN(n,x) 83 #endif 84 85 #define UR_GET_DEVICE_ID 0 86 #define UR_GET_PORT_STATUS 1 87 #define UR_SOFT_RESET 2 88 89 #define LPS_NERR 0x08 /* printer no error */ 90 #define LPS_SELECT 0x10 /* printer selected */ 91 #define LPS_NOPAPER 0x20 /* printer out of paper */ 92 #define LPS_INVERT (LPS_SELECT|LPS_NERR) 93 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER) 94 95 struct ulpt_softc { 96 USBBASEDEVICE sc_dev; 97 usbd_device_handle sc_udev; /* device */ 98 usbd_interface_handle sc_iface; /* interface */ 99 int sc_ifaceno; 100 101 int sc_out; 102 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */ 103 104 int sc_in; 105 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */ 106 usbd_xfer_handle sc_in_xfer1; 107 usbd_xfer_handle sc_in_xfer2; 108 u_char sc_junk[64]; /* somewhere to dump input */ 109 110 u_char sc_state; 111 #define ULPT_OPEN 0x01 /* device is open */ 112 #define ULPT_OBUSY 0x02 /* printer is busy doing output */ 113 #define ULPT_INIT 0x04 /* waiting to initialize for open */ 114 u_char sc_flags; 115 #define ULPT_NOPRIME 0x40 /* don't prime on open */ 116 u_char sc_laststatus; 117 118 int sc_refcnt; 119 u_char sc_dying; 120 121 #if defined(__FreeBSD__) 122 dev_t dev; 123 dev_t dev_noprime; 124 #endif 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(__FreeBSD__) 138 Static d_open_t ulptopen; 139 Static d_close_t ulptclose; 140 Static d_write_t ulptwrite; 141 Static d_ioctl_t ulptioctl; 142 143 #define ULPT_CDEV_MAJOR 113 144 145 Static struct cdevsw ulpt_cdevsw = { 146 /* open */ ulptopen, 147 /* close */ ulptclose, 148 /* read */ noread, 149 /* write */ ulptwrite, 150 /* ioctl */ ulptioctl, 151 /* poll */ nopoll, 152 /* mmap */ nommap, 153 /* strategy */ nostrategy, 154 /* name */ "ulpt", 155 /* maj */ ULPT_CDEV_MAJOR, 156 /* dump */ nodump, 157 /* psize */ nopsize, 158 /* flags */ 0, 159 #if !defined(__FreeBSD__) || (__FreeBSD__ < 5) 160 /* bmaj */ -1 161 #endif 162 }; 163 #endif 164 165 void ulpt_disco(void *); 166 167 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); 168 int ulpt_status(struct ulpt_softc *); 169 void ulpt_reset(struct ulpt_softc *); 170 int ulpt_statusmsg(u_char, struct ulpt_softc *); 171 172 #if 0 173 void ieee1284_print_id(char *); 174 #endif 175 176 #define ULPTUNIT(s) (minor(s) & 0x1f) 177 #define ULPTFLAGS(s) (minor(s) & 0xe0) 178 179 180 USB_DECLARE_DRIVER(ulpt); 181 182 USB_MATCH(ulpt) 183 { 184 USB_MATCH_START(ulpt, uaa); 185 usb_interface_descriptor_t *id; 186 187 DPRINTFN(10,("ulpt_match\n")); 188 if (uaa->iface == NULL) 189 return (UMATCH_NONE); 190 id = usbd_get_interface_descriptor(uaa->iface); 191 if (id != NULL && 192 id->bInterfaceClass == UICLASS_PRINTER && 193 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 194 ((id->bInterfaceProtocol == UIPROTO_PRINTER_UNI) || 195 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI) || 196 (id->bInterfaceProtocol == UIPROTO_PRINTER_1284))) 197 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 198 return (UMATCH_NONE); 199 } 200 201 USB_ATTACH(ulpt) 202 { 203 USB_ATTACH_START(ulpt, sc, uaa); 204 usbd_device_handle dev = uaa->device; 205 usbd_interface_handle iface = uaa->iface; 206 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 207 usb_interface_descriptor_t *id, *iend; 208 usb_config_descriptor_t *cdesc; 209 usbd_status err; 210 char devinfo[1024]; 211 usb_endpoint_descriptor_t *ed; 212 u_int8_t epcount; 213 int i, altno; 214 215 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 216 usbd_devinfo(dev, 0, devinfo, sizeof devinfo); 217 USB_ATTACH_SETUP; 218 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 219 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 220 221 /* XXX 222 * Stepping through the alternate settings needs to be abstracted out. 223 */ 224 cdesc = usbd_get_config_descriptor(dev); 225 if (cdesc == NULL) { 226 printf("%s: failed to get configuration descriptor\n", 227 USBDEVNAME(sc->sc_dev)); 228 USB_ATTACH_ERROR_RETURN; 229 } 230 iend = (usb_interface_descriptor_t *) 231 ((char *)cdesc + UGETW(cdesc->wTotalLength)); 232 #ifdef DIAGNOSTIC 233 if (ifcd < (usb_interface_descriptor_t *)cdesc || 234 ifcd >= iend) 235 panic("ulpt: iface desc out of range"); 236 #endif 237 /* Step through all the descriptors looking for bidir mode */ 238 for (id = ifcd, altno = 0; 239 id < iend; 240 id = (void *)((char *)id + id->bLength)) { 241 if (id->bDescriptorType == UDESC_INTERFACE && 242 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 243 if (id->bInterfaceClass == UICLASS_PRINTER && 244 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 245 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /*|| 246 id->bInterfaceProtocol == UIPROTO_PRINTER_1284*/)) 247 goto found; 248 altno++; 249 } 250 } 251 id = ifcd; /* not found, use original */ 252 found: 253 if (id != ifcd) { 254 /* Found a new bidir setting */ 255 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 256 err = usbd_set_interface(iface, altno); 257 if (err) { 258 printf("%s: setting alternate interface failed\n", 259 USBDEVNAME(sc->sc_dev)); 260 sc->sc_dying = 1; 261 USB_ATTACH_ERROR_RETURN; 262 } 263 } 264 265 epcount = 0; 266 (void)usbd_endpoint_count(iface, &epcount); 267 268 sc->sc_in = -1; 269 sc->sc_out = -1; 270 for (i = 0; i < epcount; i++) { 271 ed = usbd_interface2endpoint_descriptor(iface, i); 272 if (ed == NULL) { 273 printf("%s: couldn't get ep %d\n", 274 USBDEVNAME(sc->sc_dev), i); 275 USB_ATTACH_ERROR_RETURN; 276 } 277 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 278 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 279 sc->sc_in = ed->bEndpointAddress; 280 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 281 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 282 sc->sc_out = ed->bEndpointAddress; 283 } 284 } 285 if (sc->sc_out == -1) { 286 printf("%s: could not find bulk out endpoint\n", 287 USBDEVNAME(sc->sc_dev)); 288 sc->sc_dying = 1; 289 USB_ATTACH_ERROR_RETURN; 290 } 291 292 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 293 /* This device doesn't handle reading properly. */ 294 sc->sc_in = -1; 295 } 296 297 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 298 sc->sc_in >= 0 ? "bi" : "uni"); 299 300 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 301 302 sc->sc_iface = iface; 303 sc->sc_ifaceno = id->bInterfaceNumber; 304 sc->sc_udev = dev; 305 306 #if 0 307 /* 308 * This code is disabled because for some mysterious reason it causes 309 * printing not to work. But only sometimes, and mostly with 310 * UHCI and less often with OHCI. *sigh* 311 */ 312 { 313 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 314 usb_device_request_t req; 315 int len, alen; 316 317 req.bmRequestType = UT_READ_CLASS_INTERFACE; 318 req.bRequest = UR_GET_DEVICE_ID; 319 USETW(req.wValue, cd->bConfigurationValue); 320 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 321 USETW(req.wLength, sizeof devinfo - 1); 322 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK, 323 &alen, USBD_DEFAULT_TIMEOUT); 324 if (err) { 325 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 326 } else if (alen <= 2) { 327 printf("%s: empty device id, no printer connected?\n", 328 USBDEVNAME(sc->sc_dev)); 329 } else { 330 /* devinfo now contains an IEEE-1284 device ID */ 331 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 332 if (len > sizeof devinfo - 3) 333 len = sizeof devinfo - 3; 334 devinfo[len] = 0; 335 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 336 ieee1284_print_id(devinfo+2); 337 printf(">\n"); 338 } 339 } 340 #endif 341 342 #if defined(__FreeBSD__) 343 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 344 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 345 sc->dev_noprime = make_dev(&ulpt_cdevsw, 346 device_get_unit(self)|ULPT_NOPRIME, 347 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 348 #endif 349 350 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 351 USBDEV(sc->sc_dev)); 352 353 USB_ATTACH_SUCCESS_RETURN; 354 } 355 356 #if defined(__NetBSD__) || defined(__OpenBSD__) 357 int 358 ulpt_activate(device_ptr_t self, enum devact act) 359 { 360 struct ulpt_softc *sc = (struct ulpt_softc *)self; 361 362 switch (act) { 363 case DVACT_ACTIVATE: 364 return (EOPNOTSUPP); 365 366 case DVACT_DEACTIVATE: 367 sc->sc_dying = 1; 368 break; 369 } 370 return (0); 371 } 372 #endif 373 374 USB_DETACH(ulpt) 375 { 376 USB_DETACH_START(ulpt, sc); 377 int s; 378 #if defined(__NetBSD__) || defined(__OpenBSD__) 379 int maj, mn; 380 #elif defined(__FreeBSD__) 381 struct vnode *vp; 382 #endif 383 384 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 385 386 sc->sc_dying = 1; 387 if (sc->sc_out_pipe != NULL) 388 usbd_abort_pipe(sc->sc_out_pipe); 389 if (sc->sc_in_pipe != NULL) 390 usbd_abort_pipe(sc->sc_in_pipe); 391 392 s = splusb(); 393 if (--sc->sc_refcnt >= 0) { 394 /* There is noone to wake, aborting the pipe is enough */ 395 /* Wait for processes to go away. */ 396 usb_detach_wait(USBDEV(sc->sc_dev)); 397 } 398 splx(s); 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 vdevgone(maj, mn | ULPT_NOPRIME , mn | ULPT_NOPRIME, VCHR); 414 #elif defined(__FreeBSD__) 415 vp = SLIST_FIRST(&sc->dev->si_hlist); 416 if (vp) 417 VOP_REVOKE(vp, REVOKEALL); 418 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist); 419 if (vp) 420 VOP_REVOKE(vp, REVOKEALL); 421 422 destroy_dev(sc->dev); 423 destroy_dev(sc->dev_noprime); 424 #endif 425 426 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 427 USBDEV(sc->sc_dev)); 428 429 return (0); 430 } 431 432 int 433 ulpt_status(struct ulpt_softc *sc) 434 { 435 usb_device_request_t req; 436 usbd_status err; 437 u_char status; 438 439 req.bmRequestType = UT_READ_CLASS_INTERFACE; 440 req.bRequest = UR_GET_PORT_STATUS; 441 USETW(req.wValue, 0); 442 USETW(req.wIndex, sc->sc_ifaceno); 443 USETW(req.wLength, 1); 444 err = usbd_do_request(sc->sc_udev, &req, &status); 445 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 446 if (!err) 447 return (status); 448 else 449 return (0); 450 } 451 452 void 453 ulpt_reset(struct ulpt_softc *sc) 454 { 455 usb_device_request_t req; 456 457 DPRINTFN(1, ("ulpt_reset\n")); 458 req.bRequest = UR_SOFT_RESET; 459 USETW(req.wValue, 0); 460 USETW(req.wIndex, sc->sc_ifaceno); 461 USETW(req.wLength, 0); 462 463 /* 464 * There was a mistake in the USB printer 1.0 spec that gave the 465 * request type as UT_WRITE_CLASS_OTHER; it should have been 466 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 467 * so we try both. 468 */ 469 req.bmRequestType = UT_WRITE_CLASS_OTHER; 470 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 471 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 472 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 473 } 474 } 475 476 static void 477 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 478 { 479 struct ulpt_softc *sc = priv; 480 481 DPRINTFN(2,("ulpt_input: got some data\n")); 482 /* Do it again. */ 483 if (xfer == sc->sc_in_xfer1) 484 usbd_transfer(sc->sc_in_xfer2); 485 else 486 usbd_transfer(sc->sc_in_xfer1); 487 } 488 489 int ulptusein = 1; 490 491 /* 492 * Reset the printer, then wait until it's selected and not busy. 493 */ 494 int 495 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p) 496 { 497 u_char flags = ULPTFLAGS(dev); 498 struct ulpt_softc *sc; 499 usbd_status err; 500 int spin, error; 501 502 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 503 504 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 505 return (ENXIO); 506 507 if (sc->sc_state) 508 return (EBUSY); 509 510 sc->sc_state = ULPT_INIT; 511 sc->sc_flags = flags; 512 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 513 514 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 515 /* Ignoring these flags might not be a good idea */ 516 if ((flags & ~ULPT_NOPRIME) != 0) 517 printf("ulptopen: flags ignored: %b\n", flags, 518 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 519 #endif 520 521 522 error = 0; 523 sc->sc_refcnt++; 524 525 if ((flags & ULPT_NOPRIME) == 0) 526 ulpt_reset(sc); 527 528 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 529 DPRINTF(("ulpt_open: waiting a while\n")); 530 if (spin >= TIMEOUT) { 531 error = EBUSY; 532 sc->sc_state = 0; 533 goto done; 534 } 535 536 /* wait 1/4 second, give up if we get a signal */ 537 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 538 if (error != EWOULDBLOCK) { 539 sc->sc_state = 0; 540 goto done; 541 } 542 543 if (sc->sc_dying) { 544 error = ENXIO; 545 sc->sc_state = 0; 546 goto done; 547 } 548 } 549 550 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 551 if (err) { 552 sc->sc_state = 0; 553 error = EIO; 554 goto done; 555 } 556 if (ulptusein && sc->sc_in != -1) { 557 DPRINTF(("ulpt_open: open input pipe\n")); 558 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 559 if (err) { 560 error = EIO; 561 usbd_close_pipe(sc->sc_out_pipe); 562 sc->sc_out_pipe = NULL; 563 sc->sc_state = 0; 564 goto done; 565 } 566 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); 567 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); 568 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { 569 error = ENOMEM; 570 if (sc->sc_in_xfer1 != NULL) { 571 usbd_free_xfer(sc->sc_in_xfer1); 572 sc->sc_in_xfer1 = NULL; 573 } 574 if (sc->sc_in_xfer2 != NULL) { 575 usbd_free_xfer(sc->sc_in_xfer2); 576 sc->sc_in_xfer2 = NULL; 577 } 578 usbd_close_pipe(sc->sc_out_pipe); 579 sc->sc_out_pipe = NULL; 580 usbd_close_pipe(sc->sc_in_pipe); 581 sc->sc_in_pipe = NULL; 582 sc->sc_state = 0; 583 goto done; 584 } 585 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 586 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 587 USBD_NO_TIMEOUT, ulpt_input); 588 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 589 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 590 USBD_NO_TIMEOUT, ulpt_input); 591 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 592 } 593 594 sc->sc_state = ULPT_OPEN; 595 596 done: 597 if (--sc->sc_refcnt < 0) 598 usb_detach_wakeup(USBDEV(sc->sc_dev)); 599 600 DPRINTF(("ulptopen: done, error=%d\n", error)); 601 return (error); 602 } 603 604 int 605 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 606 { 607 u_char new; 608 609 status = (status ^ LPS_INVERT) & LPS_MASK; 610 new = status & ~sc->sc_laststatus; 611 sc->sc_laststatus = status; 612 613 if (new & LPS_SELECT) 614 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 615 else if (new & LPS_NOPAPER) 616 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 617 else if (new & LPS_NERR) 618 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 619 620 return (status); 621 } 622 623 int 624 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p) 625 { 626 struct ulpt_softc *sc; 627 628 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 629 630 if (sc->sc_state != ULPT_OPEN) 631 /* We are being forced to close before the open completed. */ 632 return (0); 633 634 if (sc->sc_out_pipe != NULL) { 635 usbd_close_pipe(sc->sc_out_pipe); 636 sc->sc_out_pipe = NULL; 637 } 638 if (sc->sc_in_pipe != NULL) { 639 usbd_abort_pipe(sc->sc_in_pipe); 640 usbd_close_pipe(sc->sc_in_pipe); 641 sc->sc_in_pipe = NULL; 642 if (sc->sc_in_xfer1 != NULL) { 643 usbd_free_xfer(sc->sc_in_xfer1); 644 sc->sc_in_xfer1 = NULL; 645 } 646 if (sc->sc_in_xfer2 != NULL) { 647 usbd_free_xfer(sc->sc_in_xfer2); 648 sc->sc_in_xfer2 = NULL; 649 } 650 } 651 652 sc->sc_state = 0; 653 654 DPRINTF(("ulptclose: closed\n")); 655 return (0); 656 } 657 658 int 659 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 660 { 661 u_int32_t n; 662 int error = 0; 663 void *bufp; 664 usbd_xfer_handle xfer; 665 usbd_status err; 666 667 DPRINTF(("ulptwrite\n")); 668 xfer = usbd_alloc_xfer(sc->sc_udev); 669 if (xfer == NULL) 670 return (ENOMEM); 671 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); 672 if (bufp == NULL) { 673 usbd_free_xfer(xfer); 674 return (ENOMEM); 675 } 676 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 677 ulpt_statusmsg(ulpt_status(sc), sc); 678 error = uiomove(bufp, n, uio); 679 if (error) 680 break; 681 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 682 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 683 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 684 if (err) { 685 DPRINTF(("ulptwrite: error=%d\n", err)); 686 error = EIO; 687 break; 688 } 689 } 690 usbd_free_xfer(xfer); 691 692 return (error); 693 } 694 695 int 696 ulptwrite(dev_t dev, struct uio *uio, int flags) 697 { 698 struct ulpt_softc *sc; 699 int error; 700 701 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 702 703 if (sc->sc_dying) 704 return (EIO); 705 706 sc->sc_refcnt++; 707 error = ulpt_do_write(sc, uio, flags); 708 if (--sc->sc_refcnt < 0) 709 usb_detach_wakeup(USBDEV(sc->sc_dev)); 710 return (error); 711 } 712 713 int 714 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) 715 { 716 int error = 0; 717 718 switch (cmd) { 719 default: 720 error = ENODEV; 721 } 722 723 return (error); 724 } 725 726 #if 0 727 /* XXX This does not belong here. */ 728 /* 729 * Print select parts of a IEEE 1284 device ID. 730 */ 731 void 732 ieee1284_print_id(char *str) 733 { 734 char *p, *q; 735 736 for (p = str-1; p; p = strchr(p, ';')) { 737 p++; /* skip ';' */ 738 if (strncmp(p, "MFG:", 4) == 0 || 739 strncmp(p, "MANUFACTURER:", 14) == 0 || 740 strncmp(p, "MDL:", 4) == 0 || 741 strncmp(p, "MODEL:", 6) == 0) { 742 q = strchr(p, ';'); 743 if (q) 744 printf("%.*s", (int)(q - p + 1), p); 745 } 746 } 747 } 748 #endif 749 750 #if defined(__FreeBSD__) 751 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 752 #endif 753