1 /* $NetBSD: ulpt.c,v 1.48 2002/02/11 15:11:49 augustss 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 1.48 2002/02/11 15:11:49 augustss 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__) || defined(__OpenBSD__) 129 cdev_decl(ulpt); 130 #elif defined(__FreeBSD__) 131 Static d_open_t ulptopen; 132 Static d_close_t ulptclose; 133 Static d_write_t ulptwrite; 134 Static d_ioctl_t ulptioctl; 135 136 #define ULPT_CDEV_MAJOR 113 137 138 Static struct cdevsw ulpt_cdevsw = { 139 /* open */ ulptopen, 140 /* close */ ulptclose, 141 /* read */ noread, 142 /* write */ ulptwrite, 143 /* ioctl */ ulptioctl, 144 /* poll */ nopoll, 145 /* mmap */ nommap, 146 /* strategy */ nostrategy, 147 /* name */ "ulpt", 148 /* maj */ ULPT_CDEV_MAJOR, 149 /* dump */ nodump, 150 /* psize */ nopsize, 151 /* flags */ 0, 152 #if !defined(__FreeBSD__) || (__FreeBSD__ < 5) 153 /* bmaj */ -1 154 #endif 155 }; 156 #endif 157 158 void ulpt_disco(void *); 159 160 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); 161 int ulpt_status(struct ulpt_softc *); 162 void ulpt_reset(struct ulpt_softc *); 163 int ulpt_statusmsg(u_char, struct ulpt_softc *); 164 165 #if 0 166 void ieee1284_print_id(char *); 167 #endif 168 169 #define ULPTUNIT(s) (minor(s) & 0x1f) 170 #define ULPTFLAGS(s) (minor(s) & 0xe0) 171 172 173 USB_DECLARE_DRIVER(ulpt); 174 175 USB_MATCH(ulpt) 176 { 177 USB_MATCH_START(ulpt, uaa); 178 usb_interface_descriptor_t *id; 179 180 DPRINTFN(10,("ulpt_match\n")); 181 if (uaa->iface == NULL) 182 return (UMATCH_NONE); 183 id = usbd_get_interface_descriptor(uaa->iface); 184 if (id != NULL && 185 id->bInterfaceClass == UICLASS_PRINTER && 186 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 187 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI || 188 id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 189 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 190 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 191 return (UMATCH_NONE); 192 } 193 194 USB_ATTACH(ulpt) 195 { 196 USB_ATTACH_START(ulpt, sc, uaa); 197 usbd_device_handle dev = uaa->device; 198 usbd_interface_handle iface = uaa->iface; 199 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 200 usb_interface_descriptor_t *id, *iend; 201 usb_config_descriptor_t *cdesc; 202 usbd_status err; 203 char devinfo[1024]; 204 usb_endpoint_descriptor_t *ed; 205 u_int8_t epcount; 206 int i, altno; 207 208 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 209 usbd_devinfo(dev, 0, devinfo); 210 USB_ATTACH_SETUP; 211 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 212 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 213 214 /* XXX 215 * Stepping through the alternate settings needs to be abstracted out. 216 */ 217 cdesc = usbd_get_config_descriptor(dev); 218 if (cdesc == NULL) { 219 printf("%s: failed to get configuration descriptor\n", 220 USBDEVNAME(sc->sc_dev)); 221 USB_ATTACH_ERROR_RETURN; 222 } 223 iend = (usb_interface_descriptor_t *) 224 ((char *)cdesc + UGETW(cdesc->wTotalLength)); 225 #ifdef DIAGNOSTIC 226 if (ifcd < (usb_interface_descriptor_t *)cdesc || 227 ifcd >= iend) 228 panic("ulpt: iface desc out of range\n"); 229 #endif 230 /* Step through all the descriptors looking for bidir mode */ 231 for (id = ifcd, altno = 0; 232 id < iend; 233 id = (void *)((char *)id + id->bLength)) { 234 if (id->bDescriptorType == UDESC_INTERFACE && 235 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 236 if (id->bInterfaceClass == UICLASS_PRINTER && 237 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 238 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 239 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 240 goto found; 241 altno++; 242 } 243 } 244 id = ifcd; /* not found, use original */ 245 found: 246 if (id != ifcd) { 247 /* Found a new bidir setting */ 248 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 249 err = usbd_set_interface(iface, altno); 250 if (err) { 251 printf("%s: setting alternate interface failed\n", 252 USBDEVNAME(sc->sc_dev)); 253 sc->sc_dying = 1; 254 USB_ATTACH_ERROR_RETURN; 255 } 256 } 257 258 epcount = 0; 259 (void)usbd_endpoint_count(iface, &epcount); 260 261 sc->sc_in = -1; 262 sc->sc_out = -1; 263 for (i = 0; i < epcount; i++) { 264 ed = usbd_interface2endpoint_descriptor(iface, i); 265 if (ed == NULL) { 266 printf("%s: couldn't get ep %d\n", 267 USBDEVNAME(sc->sc_dev), i); 268 USB_ATTACH_ERROR_RETURN; 269 } 270 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 271 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 272 sc->sc_in = ed->bEndpointAddress; 273 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 274 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 275 sc->sc_out = ed->bEndpointAddress; 276 } 277 } 278 if (sc->sc_out == -1) { 279 printf("%s: could not find bulk endpoint\n", 280 USBDEVNAME(sc->sc_dev)); 281 sc->sc_dying = 1; 282 USB_ATTACH_ERROR_RETURN; 283 } 284 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 285 sc->sc_in >= 0 ? "bi" : "uni"); 286 287 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 288 /* This device doesn't handle reading properly. */ 289 sc->sc_in = -1; 290 } 291 292 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 293 294 sc->sc_iface = iface; 295 sc->sc_ifaceno = id->bInterfaceNumber; 296 sc->sc_udev = dev; 297 298 #if 0 299 /* 300 * This code is disabled because for some mysterious reason it causes 301 * printing not to work. But only sometimes, and mostly with 302 * UHCI and less often with OHCI. *sigh* 303 */ 304 { 305 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 306 usb_device_request_t req; 307 int len, alen; 308 309 req.bmRequestType = UT_READ_CLASS_INTERFACE; 310 req.bRequest = UR_GET_DEVICE_ID; 311 USETW(req.wValue, cd->bConfigurationValue); 312 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 313 USETW(req.wLength, sizeof devinfo - 1); 314 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK, 315 &alen, USBD_DEFAULT_TIMEOUT); 316 if (err) { 317 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 318 } else if (alen <= 2) { 319 printf("%s: empty device id, no printer connected?\n", 320 USBDEVNAME(sc->sc_dev)); 321 } else { 322 /* devinfo now contains an IEEE-1284 device ID */ 323 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 324 if (len > sizeof devinfo - 3) 325 len = sizeof devinfo - 3; 326 devinfo[len] = 0; 327 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 328 ieee1284_print_id(devinfo+2); 329 printf(">\n"); 330 } 331 } 332 #endif 333 334 #if defined(__FreeBSD__) 335 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 336 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 337 sc->dev_noprime = make_dev(&ulpt_cdevsw, 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 break; 358 359 case DVACT_DEACTIVATE: 360 sc->sc_dying = 1; 361 break; 362 } 363 return (0); 364 } 365 #endif 366 367 USB_DETACH(ulpt) 368 { 369 USB_DETACH_START(ulpt, sc); 370 int s; 371 #if defined(__NetBSD__) || defined(__OpenBSD__) 372 int maj, mn; 373 #elif defined(__FreeBSD__) 374 struct vnode *vp; 375 #endif 376 377 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 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 s = splusb(); 386 if (--sc->sc_refcnt >= 0) { 387 /* There is noone to wake, aborting the pipe is enough */ 388 /* Wait for processes to go away. */ 389 usb_detach_wait(USBDEV(sc->sc_dev)); 390 } 391 splx(s); 392 393 #if defined(__NetBSD__) || defined(__OpenBSD__) 394 /* locate the major number */ 395 for (maj = 0; maj < nchrdev; maj++) 396 if (cdevsw[maj].d_open == ulptopen) 397 break; 398 399 /* Nuke the vnodes for any open instances (calls close). */ 400 mn = self->dv_unit; 401 vdevgone(maj, mn, mn, VCHR); 402 #elif defined(__FreeBSD__) 403 vp = SLIST_FIRST(&sc->dev->si_hlist); 404 if (vp) 405 VOP_REVOKE(vp, REVOKEALL); 406 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist); 407 if (vp) 408 VOP_REVOKE(vp, REVOKEALL); 409 410 destroy_dev(sc->dev); 411 destroy_dev(sc->dev_noprime); 412 #endif 413 414 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 415 USBDEV(sc->sc_dev)); 416 417 return (0); 418 } 419 420 int 421 ulpt_status(struct ulpt_softc *sc) 422 { 423 usb_device_request_t req; 424 usbd_status err; 425 u_char status; 426 427 req.bmRequestType = UT_READ_CLASS_INTERFACE; 428 req.bRequest = UR_GET_PORT_STATUS; 429 USETW(req.wValue, 0); 430 USETW(req.wIndex, sc->sc_ifaceno); 431 USETW(req.wLength, 1); 432 err = usbd_do_request(sc->sc_udev, &req, &status); 433 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 434 if (!err) 435 return (status); 436 else 437 return (0); 438 } 439 440 void 441 ulpt_reset(struct ulpt_softc *sc) 442 { 443 usb_device_request_t req; 444 445 DPRINTFN(1, ("ulpt_reset\n")); 446 req.bRequest = UR_SOFT_RESET; 447 USETW(req.wValue, 0); 448 USETW(req.wIndex, sc->sc_ifaceno); 449 USETW(req.wLength, 0); 450 451 /* 452 * There was a mistake in the USB printer 1.0 spec that gave the 453 * request type as UT_WRITE_CLASS_OTHER; it should have been 454 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 455 * so we try both. 456 */ 457 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 458 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 459 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 460 } 461 } 462 463 static void 464 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 465 { 466 struct ulpt_softc *sc = priv; 467 468 DPRINTFN(2,("ulpt_input: got some data\n")); 469 /* Do it again. */ 470 if (xfer == sc->sc_in_xfer1) 471 usbd_transfer(sc->sc_in_xfer2); 472 else 473 usbd_transfer(sc->sc_in_xfer1); 474 } 475 476 int ulptusein = 1; 477 478 /* 479 * Reset the printer, then wait until it's selected and not busy. 480 */ 481 int 482 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p) 483 { 484 u_char flags = ULPTFLAGS(dev); 485 struct ulpt_softc *sc; 486 usbd_status err; 487 int spin, error; 488 489 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 490 491 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 492 return (ENXIO); 493 494 if (sc->sc_state) 495 return (EBUSY); 496 497 sc->sc_state = ULPT_INIT; 498 sc->sc_flags = flags; 499 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 500 501 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 502 /* Ignoring these flags might not be a good idea */ 503 if ((flags & ~ULPT_NOPRIME) != 0) 504 printf("ulptopen: flags ignored: %b\n", flags, 505 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 506 #endif 507 508 509 error = 0; 510 sc->sc_refcnt++; 511 512 if ((flags & ULPT_NOPRIME) == 0) 513 ulpt_reset(sc); 514 515 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 516 DPRINTF(("ulpt_open: waiting a while\n")); 517 if (spin >= TIMEOUT) { 518 error = EBUSY; 519 sc->sc_state = 0; 520 goto done; 521 } 522 523 /* wait 1/4 second, give up if we get a signal */ 524 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 525 if (error != EWOULDBLOCK) { 526 sc->sc_state = 0; 527 goto done; 528 } 529 530 if (sc->sc_dying) { 531 error = ENXIO; 532 sc->sc_state = 0; 533 goto done; 534 } 535 } 536 537 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 538 if (err) { 539 sc->sc_state = 0; 540 error = EIO; 541 goto done; 542 } 543 if (ulptusein && sc->sc_in != -1) { 544 DPRINTF(("ulpt_open: open input pipe\n")); 545 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 546 if (err) { 547 error = EIO; 548 usbd_close_pipe(sc->sc_out_pipe); 549 sc->sc_out_pipe = NULL; 550 sc->sc_state = 0; 551 goto done; 552 } 553 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); 554 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); 555 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { 556 error = ENOMEM; 557 if (sc->sc_in_xfer1 != NULL) { 558 usbd_free_xfer(sc->sc_in_xfer1); 559 sc->sc_in_xfer1 = NULL; 560 } 561 if (sc->sc_in_xfer2 != NULL) { 562 usbd_free_xfer(sc->sc_in_xfer2); 563 sc->sc_in_xfer2 = NULL; 564 } 565 usbd_close_pipe(sc->sc_out_pipe); 566 sc->sc_out_pipe = NULL; 567 usbd_close_pipe(sc->sc_in_pipe); 568 sc->sc_in_pipe = NULL; 569 sc->sc_state = 0; 570 goto done; 571 } 572 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 573 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 574 USBD_NO_TIMEOUT, ulpt_input); 575 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 576 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 577 USBD_NO_TIMEOUT, ulpt_input); 578 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 579 } 580 581 sc->sc_state = ULPT_OPEN; 582 583 done: 584 if (--sc->sc_refcnt < 0) 585 usb_detach_wakeup(USBDEV(sc->sc_dev)); 586 587 DPRINTF(("ulptopen: done, error=%d\n", error)); 588 return (error); 589 } 590 591 int 592 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 593 { 594 u_char new; 595 596 status = (status ^ LPS_INVERT) & LPS_MASK; 597 new = status & ~sc->sc_laststatus; 598 sc->sc_laststatus = status; 599 600 if (new & LPS_SELECT) 601 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 602 else if (new & LPS_NOPAPER) 603 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 604 else if (new & LPS_NERR) 605 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 606 607 return (status); 608 } 609 610 int 611 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p) 612 { 613 struct ulpt_softc *sc; 614 615 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 616 617 if (sc->sc_state != ULPT_OPEN) 618 /* We are being forced to close before the open completed. */ 619 return (0); 620 621 if (sc->sc_out_pipe != NULL) { 622 usbd_close_pipe(sc->sc_out_pipe); 623 sc->sc_out_pipe = NULL; 624 } 625 if (sc->sc_in_pipe != NULL) { 626 usbd_abort_pipe(sc->sc_in_pipe); 627 usbd_close_pipe(sc->sc_in_pipe); 628 sc->sc_in_pipe = NULL; 629 if (sc->sc_in_xfer1 != NULL) { 630 usbd_free_xfer(sc->sc_in_xfer1); 631 sc->sc_in_xfer1 = NULL; 632 } 633 if (sc->sc_in_xfer2 != NULL) { 634 usbd_free_xfer(sc->sc_in_xfer2); 635 sc->sc_in_xfer2 = NULL; 636 } 637 } 638 639 sc->sc_state = 0; 640 641 DPRINTF(("ulptclose: closed\n")); 642 return (0); 643 } 644 645 int 646 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 647 { 648 u_int32_t n; 649 int error = 0; 650 void *bufp; 651 usbd_xfer_handle xfer; 652 usbd_status err; 653 654 DPRINTF(("ulptwrite\n")); 655 xfer = usbd_alloc_xfer(sc->sc_udev); 656 if (xfer == NULL) 657 return (ENOMEM); 658 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); 659 if (bufp == NULL) { 660 usbd_free_xfer(xfer); 661 return (ENOMEM); 662 } 663 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 664 ulpt_statusmsg(ulpt_status(sc), sc); 665 error = uiomove(bufp, n, uio); 666 if (error) 667 break; 668 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 669 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 670 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 671 if (err) { 672 DPRINTF(("ulptwrite: error=%d\n", err)); 673 error = EIO; 674 break; 675 } 676 } 677 usbd_free_xfer(xfer); 678 679 return (error); 680 } 681 682 int 683 ulptwrite(dev_t dev, struct uio *uio, int flags) 684 { 685 struct ulpt_softc *sc; 686 int error; 687 688 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 689 690 if (sc->sc_dying) 691 return (EIO); 692 693 sc->sc_refcnt++; 694 error = ulpt_do_write(sc, uio, flags); 695 if (--sc->sc_refcnt < 0) 696 usb_detach_wakeup(USBDEV(sc->sc_dev)); 697 return (error); 698 } 699 700 int 701 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) 702 { 703 int error = 0; 704 705 switch (cmd) { 706 default: 707 error = ENODEV; 708 } 709 710 return (error); 711 } 712 713 #if 0 714 /* XXX This does not belong here. */ 715 /* 716 * Print select parts of a IEEE 1284 device ID. 717 */ 718 void 719 ieee1284_print_id(char *str) 720 { 721 char *p, *q; 722 723 for (p = str-1; p; p = strchr(p, ';')) { 724 p++; /* skip ';' */ 725 if (strncmp(p, "MFG:", 4) == 0 || 726 strncmp(p, "MANUFACTURER:", 14) == 0 || 727 strncmp(p, "MDL:", 4) == 0 || 728 strncmp(p, "MODEL:", 6) == 0) { 729 q = strchr(p, ';'); 730 if (q) 731 printf("%.*s", (int)(q - p + 1), p); 732 } 733 } 734 } 735 #endif 736 737 #if defined(__FreeBSD__) 738 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 739 #endif 740