1 /* $NetBSD: ulpt.c,v 1.55 2002/10/23 09:14:01 jdolecek Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.24 1999/11/17 22:33:44 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 40 41 /* 42 * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF 43 */ 44 45 #include <sys/cdefs.h> 46 __KERNEL_RCSID(0, "$NetBSD: ulpt.c,v 1.55 2002/10/23 09:14:01 jdolecek Exp $"); 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__) 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/vnode.h> 63 #include <sys/syslog.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 #include <dev/usb/usbdevs.h> 69 #include <dev/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 LPTPRI (PZERO+8) 75 #define ULPT_BSIZE 16384 76 77 #ifdef ULPT_DEBUG 78 #define DPRINTF(x) if (ulptdebug) logprintf x 79 #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x 80 int ulptdebug = 0; 81 #else 82 #define DPRINTF(x) 83 #define DPRINTFN(n,x) 84 #endif 85 86 #define UR_GET_DEVICE_ID 0 87 #define UR_GET_PORT_STATUS 1 88 #define UR_SOFT_RESET 2 89 90 #define LPS_NERR 0x08 /* printer no error */ 91 #define LPS_SELECT 0x10 /* printer selected */ 92 #define LPS_NOPAPER 0x20 /* printer out of paper */ 93 #define LPS_INVERT (LPS_SELECT|LPS_NERR) 94 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER) 95 96 struct ulpt_softc { 97 USBBASEDEVICE sc_dev; 98 usbd_device_handle sc_udev; /* device */ 99 usbd_interface_handle sc_iface; /* interface */ 100 int sc_ifaceno; 101 102 int sc_out; 103 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */ 104 105 int sc_in; 106 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */ 107 usbd_xfer_handle sc_in_xfer1; 108 usbd_xfer_handle sc_in_xfer2; 109 u_char sc_junk[64]; /* somewhere to dump input */ 110 111 u_char sc_state; 112 #define ULPT_OPEN 0x01 /* device is open */ 113 #define ULPT_OBUSY 0x02 /* printer is busy doing output */ 114 #define ULPT_INIT 0x04 /* waiting to initialize for open */ 115 u_char sc_flags; 116 #define ULPT_NOPRIME 0x40 /* don't prime on open */ 117 u_char sc_laststatus; 118 119 int sc_refcnt; 120 u_char sc_dying; 121 122 #if defined(__FreeBSD__) 123 dev_t dev; 124 dev_t dev_noprime; 125 #endif 126 }; 127 128 #if defined(__NetBSD__) 129 dev_type_open(ulptopen); 130 dev_type_close(ulptclose); 131 dev_type_write(ulptwrite); 132 dev_type_ioctl(ulptioctl); 133 134 const struct cdevsw ulpt_cdevsw = { 135 ulptopen, ulptclose, noread, ulptwrite, ulptioctl, 136 nostop, notty, nopoll, nommap, nokqfilter, 137 }; 138 #elif defined(__OpenBSD__) 139 cdev_decl(ulpt); 140 #elif defined(__FreeBSD__) 141 Static d_open_t ulptopen; 142 Static d_close_t ulptclose; 143 Static d_write_t ulptwrite; 144 Static d_ioctl_t ulptioctl; 145 146 #define ULPT_CDEV_MAJOR 113 147 148 Static struct cdevsw ulpt_cdevsw = { 149 /* open */ ulptopen, 150 /* close */ ulptclose, 151 /* read */ noread, 152 /* write */ ulptwrite, 153 /* ioctl */ ulptioctl, 154 /* poll */ nopoll, 155 /* mmap */ nommap, 156 /* strategy */ nostrategy, 157 /* name */ "ulpt", 158 /* maj */ ULPT_CDEV_MAJOR, 159 /* dump */ nodump, 160 /* psize */ nopsize, 161 /* flags */ 0, 162 #if !defined(__FreeBSD__) || (__FreeBSD__ < 5) 163 /* bmaj */ -1 164 #endif 165 }; 166 #endif 167 168 void ulpt_disco(void *); 169 170 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); 171 int ulpt_status(struct ulpt_softc *); 172 void ulpt_reset(struct ulpt_softc *); 173 int ulpt_statusmsg(u_char, struct ulpt_softc *); 174 175 #if 0 176 void ieee1284_print_id(char *); 177 #endif 178 179 #define ULPTUNIT(s) (minor(s) & 0x1f) 180 #define ULPTFLAGS(s) (minor(s) & 0xe0) 181 182 183 USB_DECLARE_DRIVER(ulpt); 184 185 USB_MATCH(ulpt) 186 { 187 USB_MATCH_START(ulpt, uaa); 188 usb_interface_descriptor_t *id; 189 190 DPRINTFN(10,("ulpt_match\n")); 191 if (uaa->iface == NULL) 192 return (UMATCH_NONE); 193 id = usbd_get_interface_descriptor(uaa->iface); 194 if (id != NULL && 195 id->bInterfaceClass == UICLASS_PRINTER && 196 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 197 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI || 198 id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 199 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 200 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 201 return (UMATCH_NONE); 202 } 203 204 USB_ATTACH(ulpt) 205 { 206 USB_ATTACH_START(ulpt, sc, uaa); 207 usbd_device_handle dev = uaa->device; 208 usbd_interface_handle iface = uaa->iface; 209 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 210 usb_interface_descriptor_t *id, *iend; 211 usb_config_descriptor_t *cdesc; 212 usbd_status err; 213 char devinfo[1024]; 214 usb_endpoint_descriptor_t *ed; 215 u_int8_t epcount; 216 int i, altno; 217 218 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 219 usbd_devinfo(dev, 0, devinfo); 220 USB_ATTACH_SETUP; 221 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 222 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 223 224 /* XXX 225 * Stepping through the alternate settings needs to be abstracted out. 226 */ 227 cdesc = usbd_get_config_descriptor(dev); 228 if (cdesc == NULL) { 229 printf("%s: failed to get configuration descriptor\n", 230 USBDEVNAME(sc->sc_dev)); 231 USB_ATTACH_ERROR_RETURN; 232 } 233 iend = (usb_interface_descriptor_t *) 234 ((char *)cdesc + UGETW(cdesc->wTotalLength)); 235 #ifdef DIAGNOSTIC 236 if (ifcd < (usb_interface_descriptor_t *)cdesc || 237 ifcd >= iend) 238 panic("ulpt: iface desc out of range"); 239 #endif 240 /* Step through all the descriptors looking for bidir mode */ 241 for (id = ifcd, altno = 0; 242 id < iend; 243 id = (void *)((char *)id + id->bLength)) { 244 if (id->bDescriptorType == UDESC_INTERFACE && 245 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 246 if (id->bInterfaceClass == UICLASS_PRINTER && 247 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 248 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 249 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 250 goto found; 251 altno++; 252 } 253 } 254 id = ifcd; /* not found, use original */ 255 found: 256 if (id != ifcd) { 257 /* Found a new bidir setting */ 258 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 259 err = usbd_set_interface(iface, altno); 260 if (err) { 261 printf("%s: setting alternate interface failed\n", 262 USBDEVNAME(sc->sc_dev)); 263 sc->sc_dying = 1; 264 USB_ATTACH_ERROR_RETURN; 265 } 266 } 267 268 epcount = 0; 269 (void)usbd_endpoint_count(iface, &epcount); 270 271 sc->sc_in = -1; 272 sc->sc_out = -1; 273 for (i = 0; i < epcount; i++) { 274 ed = usbd_interface2endpoint_descriptor(iface, i); 275 if (ed == NULL) { 276 printf("%s: couldn't get ep %d\n", 277 USBDEVNAME(sc->sc_dev), i); 278 USB_ATTACH_ERROR_RETURN; 279 } 280 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 281 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 282 sc->sc_in = ed->bEndpointAddress; 283 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 284 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 285 sc->sc_out = ed->bEndpointAddress; 286 } 287 } 288 if (sc->sc_out == -1) { 289 printf("%s: could not find bulk out endpoint\n", 290 USBDEVNAME(sc->sc_dev)); 291 sc->sc_dying = 1; 292 USB_ATTACH_ERROR_RETURN; 293 } 294 295 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 296 /* This device doesn't handle reading properly. */ 297 sc->sc_in = -1; 298 } 299 300 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 301 sc->sc_in >= 0 ? "bi" : "uni"); 302 303 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 304 305 sc->sc_iface = iface; 306 sc->sc_ifaceno = id->bInterfaceNumber; 307 sc->sc_udev = dev; 308 309 #if 0 310 /* 311 * This code is disabled because for some mysterious reason it causes 312 * printing not to work. But only sometimes, and mostly with 313 * UHCI and less often with OHCI. *sigh* 314 */ 315 { 316 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 317 usb_device_request_t req; 318 int len, alen; 319 320 req.bmRequestType = UT_READ_CLASS_INTERFACE; 321 req.bRequest = UR_GET_DEVICE_ID; 322 USETW(req.wValue, cd->bConfigurationValue); 323 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 324 USETW(req.wLength, sizeof devinfo - 1); 325 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK, 326 &alen, USBD_DEFAULT_TIMEOUT); 327 if (err) { 328 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 329 } else if (alen <= 2) { 330 printf("%s: empty device id, no printer connected?\n", 331 USBDEVNAME(sc->sc_dev)); 332 } else { 333 /* devinfo now contains an IEEE-1284 device ID */ 334 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 335 if (len > sizeof devinfo - 3) 336 len = sizeof devinfo - 3; 337 devinfo[len] = 0; 338 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 339 ieee1284_print_id(devinfo+2); 340 printf(">\n"); 341 } 342 } 343 #endif 344 345 #if defined(__FreeBSD__) 346 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 347 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 348 sc->dev_noprime = make_dev(&ulpt_cdevsw, 349 device_get_unit(self)|ULPT_NOPRIME, 350 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 351 #endif 352 353 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 354 USBDEV(sc->sc_dev)); 355 356 USB_ATTACH_SUCCESS_RETURN; 357 } 358 359 #if defined(__NetBSD__) || defined(__OpenBSD__) 360 int 361 ulpt_activate(device_ptr_t self, enum devact act) 362 { 363 struct ulpt_softc *sc = (struct ulpt_softc *)self; 364 365 switch (act) { 366 case DVACT_ACTIVATE: 367 return (EOPNOTSUPP); 368 369 case DVACT_DEACTIVATE: 370 sc->sc_dying = 1; 371 break; 372 } 373 return (0); 374 } 375 #endif 376 377 USB_DETACH(ulpt) 378 { 379 USB_DETACH_START(ulpt, sc); 380 int s; 381 #if defined(__NetBSD__) || defined(__OpenBSD__) 382 int maj, mn; 383 #elif defined(__FreeBSD__) 384 struct vnode *vp; 385 #endif 386 387 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 388 389 sc->sc_dying = 1; 390 if (sc->sc_out_pipe != NULL) 391 usbd_abort_pipe(sc->sc_out_pipe); 392 if (sc->sc_in_pipe != NULL) 393 usbd_abort_pipe(sc->sc_in_pipe); 394 395 s = splusb(); 396 if (--sc->sc_refcnt >= 0) { 397 /* There is noone to wake, aborting the pipe is enough */ 398 /* Wait for processes to go away. */ 399 usb_detach_wait(USBDEV(sc->sc_dev)); 400 } 401 splx(s); 402 403 #if defined(__NetBSD__) || defined(__OpenBSD__) 404 /* locate the major number */ 405 #if defined(__NetBSD__) 406 maj = cdevsw_lookup_major(&ulpt_cdevsw); 407 #elif defined(__OpenBSD__) 408 for (maj = 0; maj < nchrdev; maj++) 409 if (cdevsw[maj].d_open == ulptopen) 410 break; 411 #endif 412 413 /* Nuke the vnodes for any open instances (calls close). */ 414 mn = self->dv_unit; 415 vdevgone(maj, mn, mn, VCHR); 416 #elif defined(__FreeBSD__) 417 vp = SLIST_FIRST(&sc->dev->si_hlist); 418 if (vp) 419 VOP_REVOKE(vp, REVOKEALL); 420 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist); 421 if (vp) 422 VOP_REVOKE(vp, REVOKEALL); 423 424 destroy_dev(sc->dev); 425 destroy_dev(sc->dev_noprime); 426 #endif 427 428 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 429 USBDEV(sc->sc_dev)); 430 431 return (0); 432 } 433 434 int 435 ulpt_status(struct ulpt_softc *sc) 436 { 437 usb_device_request_t req; 438 usbd_status err; 439 u_char status; 440 441 req.bmRequestType = UT_READ_CLASS_INTERFACE; 442 req.bRequest = UR_GET_PORT_STATUS; 443 USETW(req.wValue, 0); 444 USETW(req.wIndex, sc->sc_ifaceno); 445 USETW(req.wLength, 1); 446 err = usbd_do_request(sc->sc_udev, &req, &status); 447 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 448 if (!err) 449 return (status); 450 else 451 return (0); 452 } 453 454 void 455 ulpt_reset(struct ulpt_softc *sc) 456 { 457 usb_device_request_t req; 458 459 DPRINTFN(1, ("ulpt_reset\n")); 460 req.bRequest = UR_SOFT_RESET; 461 USETW(req.wValue, 0); 462 USETW(req.wIndex, sc->sc_ifaceno); 463 USETW(req.wLength, 0); 464 465 /* 466 * There was a mistake in the USB printer 1.0 spec that gave the 467 * request type as UT_WRITE_CLASS_OTHER; it should have been 468 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 469 * so we try both. 470 */ 471 req.bmRequestType = UT_WRITE_CLASS_OTHER; 472 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 473 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 474 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 475 } 476 } 477 478 static void 479 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 480 { 481 struct ulpt_softc *sc = priv; 482 483 DPRINTFN(2,("ulpt_input: got some data\n")); 484 /* Do it again. */ 485 if (xfer == sc->sc_in_xfer1) 486 usbd_transfer(sc->sc_in_xfer2); 487 else 488 usbd_transfer(sc->sc_in_xfer1); 489 } 490 491 int ulptusein = 1; 492 493 /* 494 * Reset the printer, then wait until it's selected and not busy. 495 */ 496 int 497 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p) 498 { 499 u_char flags = ULPTFLAGS(dev); 500 struct ulpt_softc *sc; 501 usbd_status err; 502 int spin, error; 503 504 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 505 506 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 507 return (ENXIO); 508 509 if (sc->sc_state) 510 return (EBUSY); 511 512 sc->sc_state = ULPT_INIT; 513 sc->sc_flags = flags; 514 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 515 516 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 517 /* Ignoring these flags might not be a good idea */ 518 if ((flags & ~ULPT_NOPRIME) != 0) 519 printf("ulptopen: flags ignored: %b\n", flags, 520 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 521 #endif 522 523 524 error = 0; 525 sc->sc_refcnt++; 526 527 if ((flags & ULPT_NOPRIME) == 0) 528 ulpt_reset(sc); 529 530 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 531 DPRINTF(("ulpt_open: waiting a while\n")); 532 if (spin >= TIMEOUT) { 533 error = EBUSY; 534 sc->sc_state = 0; 535 goto done; 536 } 537 538 /* wait 1/4 second, give up if we get a signal */ 539 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 540 if (error != EWOULDBLOCK) { 541 sc->sc_state = 0; 542 goto done; 543 } 544 545 if (sc->sc_dying) { 546 error = ENXIO; 547 sc->sc_state = 0; 548 goto done; 549 } 550 } 551 552 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 553 if (err) { 554 sc->sc_state = 0; 555 error = EIO; 556 goto done; 557 } 558 if (ulptusein && sc->sc_in != -1) { 559 DPRINTF(("ulpt_open: open input pipe\n")); 560 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 561 if (err) { 562 error = EIO; 563 usbd_close_pipe(sc->sc_out_pipe); 564 sc->sc_out_pipe = NULL; 565 sc->sc_state = 0; 566 goto done; 567 } 568 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); 569 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); 570 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { 571 error = ENOMEM; 572 if (sc->sc_in_xfer1 != NULL) { 573 usbd_free_xfer(sc->sc_in_xfer1); 574 sc->sc_in_xfer1 = NULL; 575 } 576 if (sc->sc_in_xfer2 != NULL) { 577 usbd_free_xfer(sc->sc_in_xfer2); 578 sc->sc_in_xfer2 = NULL; 579 } 580 usbd_close_pipe(sc->sc_out_pipe); 581 sc->sc_out_pipe = NULL; 582 usbd_close_pipe(sc->sc_in_pipe); 583 sc->sc_in_pipe = NULL; 584 sc->sc_state = 0; 585 goto done; 586 } 587 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 588 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 589 USBD_NO_TIMEOUT, ulpt_input); 590 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 591 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 592 USBD_NO_TIMEOUT, ulpt_input); 593 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 594 } 595 596 sc->sc_state = ULPT_OPEN; 597 598 done: 599 if (--sc->sc_refcnt < 0) 600 usb_detach_wakeup(USBDEV(sc->sc_dev)); 601 602 DPRINTF(("ulptopen: done, error=%d\n", error)); 603 return (error); 604 } 605 606 int 607 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 608 { 609 u_char new; 610 611 status = (status ^ LPS_INVERT) & LPS_MASK; 612 new = status & ~sc->sc_laststatus; 613 sc->sc_laststatus = status; 614 615 if (new & LPS_SELECT) 616 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 617 else if (new & LPS_NOPAPER) 618 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 619 else if (new & LPS_NERR) 620 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 621 622 return (status); 623 } 624 625 int 626 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p) 627 { 628 struct ulpt_softc *sc; 629 630 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 631 632 if (sc->sc_state != ULPT_OPEN) 633 /* We are being forced to close before the open completed. */ 634 return (0); 635 636 if (sc->sc_out_pipe != NULL) { 637 usbd_close_pipe(sc->sc_out_pipe); 638 sc->sc_out_pipe = NULL; 639 } 640 if (sc->sc_in_pipe != NULL) { 641 usbd_abort_pipe(sc->sc_in_pipe); 642 usbd_close_pipe(sc->sc_in_pipe); 643 sc->sc_in_pipe = NULL; 644 if (sc->sc_in_xfer1 != NULL) { 645 usbd_free_xfer(sc->sc_in_xfer1); 646 sc->sc_in_xfer1 = NULL; 647 } 648 if (sc->sc_in_xfer2 != NULL) { 649 usbd_free_xfer(sc->sc_in_xfer2); 650 sc->sc_in_xfer2 = NULL; 651 } 652 } 653 654 sc->sc_state = 0; 655 656 DPRINTF(("ulptclose: closed\n")); 657 return (0); 658 } 659 660 int 661 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 662 { 663 u_int32_t n; 664 int error = 0; 665 void *bufp; 666 usbd_xfer_handle xfer; 667 usbd_status err; 668 669 DPRINTF(("ulptwrite\n")); 670 xfer = usbd_alloc_xfer(sc->sc_udev); 671 if (xfer == NULL) 672 return (ENOMEM); 673 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); 674 if (bufp == NULL) { 675 usbd_free_xfer(xfer); 676 return (ENOMEM); 677 } 678 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 679 ulpt_statusmsg(ulpt_status(sc), sc); 680 error = uiomove(bufp, n, uio); 681 if (error) 682 break; 683 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 684 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 685 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 686 if (err) { 687 DPRINTF(("ulptwrite: error=%d\n", err)); 688 error = EIO; 689 break; 690 } 691 } 692 usbd_free_xfer(xfer); 693 694 return (error); 695 } 696 697 int 698 ulptwrite(dev_t dev, struct uio *uio, int flags) 699 { 700 struct ulpt_softc *sc; 701 int error; 702 703 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 704 705 if (sc->sc_dying) 706 return (EIO); 707 708 sc->sc_refcnt++; 709 error = ulpt_do_write(sc, uio, flags); 710 if (--sc->sc_refcnt < 0) 711 usb_detach_wakeup(USBDEV(sc->sc_dev)); 712 return (error); 713 } 714 715 int 716 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) 717 { 718 int error = 0; 719 720 switch (cmd) { 721 default: 722 error = ENODEV; 723 } 724 725 return (error); 726 } 727 728 #if 0 729 /* XXX This does not belong here. */ 730 /* 731 * Print select parts of a IEEE 1284 device ID. 732 */ 733 void 734 ieee1284_print_id(char *str) 735 { 736 char *p, *q; 737 738 for (p = str-1; p; p = strchr(p, ';')) { 739 p++; /* skip ';' */ 740 if (strncmp(p, "MFG:", 4) == 0 || 741 strncmp(p, "MANUFACTURER:", 14) == 0 || 742 strncmp(p, "MDL:", 4) == 0 || 743 strncmp(p, "MODEL:", 6) == 0) { 744 q = strchr(p, ';'); 745 if (q) 746 printf("%.*s", (int)(q - p + 1), p); 747 } 748 } 749 } 750 #endif 751 752 #if defined(__FreeBSD__) 753 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 754 #endif 755