1 /* $OpenBSD: ulpt.c,v 1.7 2001/05/03 02:20:34 aaron Exp $ */ 2 /* $NetBSD: ulpt.c,v 1.42 2001/04/16 00:18:06 augustss 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: http://www.usb.org/developers/data/devclass/usbprint109.PDF 44 */ 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/proc.h> 49 #include <sys/kernel.h> 50 #if defined(__NetBSD__) || defined(__OpenBSD__) 51 #include <sys/device.h> 52 #include <sys/ioctl.h> 53 #elif defined(__FreeBSD__) 54 #include <sys/ioccom.h> 55 #include <sys/module.h> 56 #include <sys/bus.h> 57 #endif 58 #include <sys/uio.h> 59 #include <sys/conf.h> 60 #include <sys/vnode.h> 61 #include <sys/syslog.h> 62 63 #include <dev/usb/usb.h> 64 #include <dev/usb/usbdi.h> 65 #include <dev/usb/usbdi_util.h> 66 #include <dev/usb/usbdevs.h> 67 #include <dev/usb/usb_quirks.h> 68 69 #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */ 70 #define STEP hz/4 71 72 #define LPTPRI (PZERO+8) 73 #define ULPT_BSIZE 16384 74 75 #ifdef ULPT_DEBUG 76 #define DPRINTF(x) if (ulptdebug) logprintf x 77 #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x 78 int ulptdebug = 0; 79 #else 80 #define DPRINTF(x) 81 #define DPRINTFN(n,x) 82 #endif 83 84 #define UR_GET_DEVICE_ID 0 85 #define UR_GET_PORT_STATUS 1 86 #define UR_SOFT_RESET 2 87 88 #define LPS_NERR 0x08 /* printer no error */ 89 #define LPS_SELECT 0x10 /* printer selected */ 90 #define LPS_NOPAPER 0x20 /* printer out of paper */ 91 #define LPS_INVERT (LPS_SELECT|LPS_NERR) 92 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER) 93 94 struct ulpt_softc { 95 USBBASEDEVICE sc_dev; 96 usbd_device_handle sc_udev; /* device */ 97 usbd_interface_handle sc_iface; /* interface */ 98 int sc_ifaceno; 99 100 int sc_out; 101 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */ 102 103 int sc_in; 104 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */ 105 usbd_xfer_handle sc_in_xfer1; 106 usbd_xfer_handle sc_in_xfer2; 107 u_char sc_junk[64]; /* somewhere to dump input */ 108 109 u_char sc_state; 110 #define ULPT_OPEN 0x01 /* device is open */ 111 #define ULPT_OBUSY 0x02 /* printer is busy doing output */ 112 #define ULPT_INIT 0x04 /* waiting to initialize for open */ 113 u_char sc_flags; 114 #define ULPT_NOPRIME 0x40 /* don't prime on open */ 115 u_char sc_laststatus; 116 117 int sc_refcnt; 118 u_char sc_dying; 119 120 #if defined(__FreeBSD__) 121 dev_t dev; 122 dev_t dev_noprime; 123 #endif 124 }; 125 126 #if defined(__NetBSD__) || defined(__OpenBSD__) 127 cdev_decl(ulpt); 128 #elif defined(__FreeBSD__) 129 Static d_open_t ulptopen; 130 Static d_close_t ulptclose; 131 Static d_write_t ulptwrite; 132 Static d_ioctl_t ulptioctl; 133 134 #define ULPT_CDEV_MAJOR 113 135 136 Static struct cdevsw ulpt_cdevsw = { 137 /* open */ ulptopen, 138 /* close */ ulptclose, 139 /* read */ noread, 140 /* write */ ulptwrite, 141 /* ioctl */ ulptioctl, 142 /* poll */ nopoll, 143 /* mmap */ nommap, 144 /* strategy */ nostrategy, 145 /* name */ "ulpt", 146 /* maj */ ULPT_CDEV_MAJOR, 147 /* dump */ nodump, 148 /* psize */ nopsize, 149 /* flags */ 0, 150 /* bmaj */ -1 151 }; 152 #endif 153 154 void ulpt_disco(void *); 155 156 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); 157 int ulpt_status(struct ulpt_softc *); 158 void ulpt_reset(struct ulpt_softc *); 159 int ulpt_statusmsg(u_char, struct ulpt_softc *); 160 161 #if 0 162 void ieee1284_print_id(char *); 163 #endif 164 165 #define ULPTUNIT(s) (minor(s) & 0x1f) 166 #define ULPTFLAGS(s) (minor(s) & 0xe0) 167 168 169 USB_DECLARE_DRIVER(ulpt); 170 171 USB_MATCH(ulpt) 172 { 173 USB_MATCH_START(ulpt, uaa); 174 usb_interface_descriptor_t *id; 175 176 DPRINTFN(10,("ulpt_match\n")); 177 if (uaa->iface == NULL) 178 return (UMATCH_NONE); 179 id = usbd_get_interface_descriptor(uaa->iface); 180 if (id != NULL && 181 id->bInterfaceClass == UICLASS_PRINTER && 182 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 183 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI || 184 id->bInterfaceProtocol == UIPROTO_PRINTER_BI)) 185 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 186 return (UMATCH_NONE); 187 } 188 189 USB_ATTACH(ulpt) 190 { 191 USB_ATTACH_START(ulpt, sc, uaa); 192 usbd_device_handle dev = uaa->device; 193 usbd_interface_handle iface = uaa->iface; 194 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 195 usb_interface_descriptor_t *id, *iend; 196 usb_config_descriptor_t *cdesc; 197 usbd_status err; 198 char devinfo[1024]; 199 usb_endpoint_descriptor_t *ed; 200 u_int8_t epcount; 201 int i, altno; 202 203 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 204 usbd_devinfo(dev, 0, devinfo); 205 USB_ATTACH_SETUP; 206 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 207 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 208 209 /* XXX 210 * Stepping through the alternate settings needs to be abstracted out. 211 */ 212 cdesc = usbd_get_config_descriptor(dev); 213 if (cdesc == NULL) { 214 printf("%s: failed to get configuration descriptor\n", 215 USBDEVNAME(sc->sc_dev)); 216 USB_ATTACH_ERROR_RETURN; 217 } 218 iend = (usb_interface_descriptor_t *) 219 ((char *)cdesc + UGETW(cdesc->wTotalLength)); 220 #ifdef DIAGNOSTIC 221 if (ifcd < (usb_interface_descriptor_t *)cdesc || 222 ifcd >= iend) 223 panic("ulpt: iface desc out of range\n"); 224 #endif 225 /* Step through all the descriptors looking for bidir mode */ 226 for (id = ifcd, altno = 0; 227 id < iend; 228 id = (void *)((char *)id + id->bLength)) { 229 if (id->bDescriptorType == UDESC_INTERFACE && 230 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 231 if (id->bInterfaceClass == UICLASS_PRINTER && 232 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 233 id->bInterfaceProtocol == UIPROTO_PRINTER_BI) 234 goto found; 235 altno++; 236 } 237 } 238 id = ifcd; /* not found, use original */ 239 found: 240 if (id != ifcd) { 241 /* Found a new bidir setting */ 242 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 243 err = usbd_set_interface(iface, altno); 244 if (err) { 245 printf("%s: setting alternate interface failed\n", 246 USBDEVNAME(sc->sc_dev)); 247 sc->sc_dying = 1; 248 USB_ATTACH_ERROR_RETURN; 249 } 250 } 251 252 epcount = 0; 253 (void)usbd_endpoint_count(iface, &epcount); 254 255 sc->sc_in = -1; 256 sc->sc_out = -1; 257 for (i = 0; i < epcount; i++) { 258 ed = usbd_interface2endpoint_descriptor(iface, i); 259 if (ed == NULL) { 260 printf("%s: couldn't get ep %d\n", 261 USBDEVNAME(sc->sc_dev), i); 262 USB_ATTACH_ERROR_RETURN; 263 } 264 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 265 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 266 sc->sc_in = ed->bEndpointAddress; 267 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 268 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 269 sc->sc_out = ed->bEndpointAddress; 270 } 271 } 272 if (sc->sc_out == -1) { 273 printf("%s: could not find bulk endpoint\n", 274 USBDEVNAME(sc->sc_dev)); 275 sc->sc_dying = 1; 276 USB_ATTACH_ERROR_RETURN; 277 } 278 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 279 sc->sc_in >= 0 ? "bi" : "uni"); 280 281 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 282 /* This device doesn't handle reading properly. */ 283 sc->sc_in = -1; 284 } 285 286 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 287 288 sc->sc_iface = iface; 289 sc->sc_ifaceno = id->bInterfaceNumber; 290 sc->sc_udev = dev; 291 292 #if 0 293 /* 294 * This code is disabled because for some mysterious reason it causes 295 * printing not to work. But only sometimes, and mostly with 296 * UHCI and less often with OHCI. *sigh* 297 */ 298 { 299 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 300 usb_device_request_t req; 301 int len, alen; 302 303 req.bmRequestType = UT_READ_CLASS_INTERFACE; 304 req.bRequest = UR_GET_DEVICE_ID; 305 USETW(req.wValue, cd->bConfigurationValue); 306 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 307 USETW(req.wLength, sizeof devinfo - 1); 308 err = usbd_do_request_flags(dev, &req, devinfo,USBD_SHORT_XFER_OK, 309 &alen); 310 if (err) { 311 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 312 } else if (alen <= 2) { 313 printf("%s: empty device id, no printer connected?\n", 314 USBDEVNAME(sc->sc_dev)); 315 } else { 316 /* devinfo now contains an IEEE-1284 device ID */ 317 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 318 if (len > sizeof devinfo - 3) 319 len = sizeof devinfo - 3; 320 devinfo[len] = 0; 321 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 322 ieee1284_print_id(devinfo+2); 323 printf(">\n"); 324 } 325 } 326 #endif 327 328 #if defined(__FreeBSD__) 329 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 330 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 331 sc->dev_noprime = make_dev(&ulpt_cdevsw, 332 device_get_unit(self)|ULPT_NOPRIME, 333 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 334 #endif 335 336 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 337 USBDEV(sc->sc_dev)); 338 339 USB_ATTACH_SUCCESS_RETURN; 340 } 341 342 #if defined(__NetBSD__) || defined(__OpenBSD__) 343 int 344 ulpt_activate(device_ptr_t self, enum devact act) 345 { 346 struct ulpt_softc *sc = (struct ulpt_softc *)self; 347 348 switch (act) { 349 case DVACT_ACTIVATE: 350 return (EOPNOTSUPP); 351 break; 352 353 case DVACT_DEACTIVATE: 354 sc->sc_dying = 1; 355 break; 356 } 357 return (0); 358 } 359 #endif 360 361 USB_DETACH(ulpt) 362 { 363 USB_DETACH_START(ulpt, sc); 364 int s; 365 #if defined(__NetBSD__) || defined(__OpenBSD__) 366 int maj, mn; 367 368 DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags)); 369 #elif defined(__FreeBSD__) 370 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 371 #endif 372 373 sc->sc_dying = 1; 374 if (sc->sc_out_pipe != NULL) 375 usbd_abort_pipe(sc->sc_out_pipe); 376 if (sc->sc_in_pipe != NULL) 377 usbd_abort_pipe(sc->sc_in_pipe); 378 379 s = splusb(); 380 if (--sc->sc_refcnt >= 0) { 381 /* There is noone to wake, aborting the pipe is enough */ 382 /* Wait for processes to go away. */ 383 usb_detach_wait(USBDEV(sc->sc_dev)); 384 } 385 splx(s); 386 387 #if defined(__NetBSD__) || defined(__OpenBSD__) 388 /* locate the major number */ 389 for (maj = 0; maj < nchrdev; maj++) 390 if (cdevsw[maj].d_open == ulptopen) 391 break; 392 393 /* Nuke the vnodes for any open instances (calls close). */ 394 mn = self->dv_unit; 395 vdevgone(maj, mn, mn, VCHR); 396 #elif defined(__FreeBSD__) 397 /* XXX not implemented yet */ 398 399 destroy_dev(sc->dev); 400 destroy_dev(sc->dev_noprime); 401 #endif 402 403 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 404 USBDEV(sc->sc_dev)); 405 406 return (0); 407 } 408 409 int 410 ulpt_status(struct ulpt_softc *sc) 411 { 412 usb_device_request_t req; 413 usbd_status err; 414 u_char status; 415 416 req.bRequest = UR_GET_PORT_STATUS; 417 USETW(req.wValue, 0); 418 USETW(req.wIndex, sc->sc_ifaceno); 419 USETW(req.wLength, 1); 420 err = usbd_do_request(sc->sc_udev, &req, &status); 421 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 422 if (!err) 423 return (status); 424 else 425 return (0); 426 } 427 428 void 429 ulpt_reset(struct ulpt_softc *sc) 430 { 431 usb_device_request_t req; 432 433 DPRINTFN(1, ("ulpt_reset\n")); 434 req.bmRequestType = UT_WRITE_CLASS_OTHER; 435 req.bRequest = UR_SOFT_RESET; 436 USETW(req.wValue, 0); 437 USETW(req.wIndex, sc->sc_ifaceno); 438 USETW(req.wLength, 0); 439 440 /* 441 * There was a mistake in the USB printer 1.0 spec that gave the 442 * request type as UT_WRITE_CLASS_OTHER; it should have been 443 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 444 * so we try both. 445 */ 446 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 447 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 448 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 449 } 450 } 451 452 static void 453 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 454 { 455 struct ulpt_softc *sc = priv; 456 457 DPRINTFN(2,("ulpt_input: got some data\n")); 458 /* Do it again. */ 459 if (xfer == sc->sc_in_xfer1) 460 usbd_transfer(sc->sc_in_xfer2); 461 else 462 usbd_transfer(sc->sc_in_xfer1); 463 } 464 465 int ulptusein = 1; 466 467 /* 468 * Reset the printer, then wait until it's selected and not busy. 469 */ 470 int 471 ulptopen(dev_t dev, int flag, int mode, struct proc *p) 472 { 473 u_char flags = ULPTFLAGS(dev); 474 struct ulpt_softc *sc; 475 usbd_status err; 476 int spin, error; 477 478 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 479 480 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 481 return (ENXIO); 482 483 if (sc->sc_state) 484 return (EBUSY); 485 486 sc->sc_state = ULPT_INIT; 487 sc->sc_flags = flags; 488 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 489 490 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 491 /* Ignoring these flags might not be a good idea */ 492 if ((flags & ~ULPT_NOPRIME) != 0) 493 printf("ulptopen: flags ignored: %b\n", flags, 494 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 495 #endif 496 497 498 error = 0; 499 sc->sc_refcnt++; 500 501 if ((flags & ULPT_NOPRIME) == 0) 502 ulpt_reset(sc); 503 504 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 505 DPRINTF(("ulpt_open: waiting a while\n")); 506 if (spin >= TIMEOUT) { 507 error = EBUSY; 508 sc->sc_state = 0; 509 goto done; 510 } 511 512 /* wait 1/4 second, give up if we get a signal */ 513 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 514 if (error != EWOULDBLOCK) { 515 sc->sc_state = 0; 516 goto done; 517 } 518 519 if (sc->sc_dying) { 520 error = ENXIO; 521 sc->sc_state = 0; 522 goto done; 523 } 524 } 525 526 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 527 if (err) { 528 sc->sc_state = 0; 529 error = EIO; 530 goto done; 531 } 532 if (ulptusein && sc->sc_in != -1) { 533 DPRINTF(("ulpt_open: open input pipe\n")); 534 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 535 if (err) { 536 error = EIO; 537 usbd_close_pipe(sc->sc_out_pipe); 538 sc->sc_out_pipe = NULL; 539 sc->sc_state = 0; 540 goto done; 541 } 542 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); 543 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); 544 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { 545 error = ENOMEM; 546 usbd_close_pipe(sc->sc_out_pipe); 547 sc->sc_out_pipe = NULL; 548 sc->sc_state = 0; 549 goto done; 550 } 551 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 552 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 553 USBD_NO_TIMEOUT, ulpt_input); 554 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 555 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 556 USBD_NO_TIMEOUT, ulpt_input); 557 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 558 } 559 560 sc->sc_state = ULPT_OPEN; 561 562 done: 563 if (--sc->sc_refcnt < 0) 564 usb_detach_wakeup(USBDEV(sc->sc_dev)); 565 566 DPRINTF(("ulptopen: done, error=%d\n", error)); 567 return (error); 568 } 569 570 int 571 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 572 { 573 u_char new; 574 575 status = (status ^ LPS_INVERT) & LPS_MASK; 576 new = status & ~sc->sc_laststatus; 577 sc->sc_laststatus = status; 578 579 if (new & LPS_SELECT) 580 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 581 else if (new & LPS_NOPAPER) 582 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 583 else if (new & LPS_NERR) 584 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 585 586 return (status); 587 } 588 589 int 590 ulptclose(dev_t dev, int flag, int mode, struct proc *p) 591 { 592 struct ulpt_softc *sc; 593 594 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 595 596 if (sc->sc_state != ULPT_OPEN) 597 /* We are being forced to close before the open completed. */ 598 return (0); 599 600 if (sc->sc_out_pipe != NULL) { 601 usbd_close_pipe(sc->sc_out_pipe); 602 sc->sc_out_pipe = NULL; 603 } 604 if (sc->sc_in_pipe != NULL) { 605 usbd_abort_pipe(sc->sc_in_pipe); 606 usbd_close_pipe(sc->sc_in_pipe); 607 sc->sc_in_pipe = NULL; 608 if (sc->sc_in_xfer1 != NULL) { 609 usbd_free_xfer(sc->sc_in_xfer1); 610 sc->sc_in_xfer1 = NULL; 611 } 612 if (sc->sc_in_xfer2 != NULL) { 613 usbd_free_xfer(sc->sc_in_xfer2); 614 sc->sc_in_xfer2 = NULL; 615 } 616 } 617 618 sc->sc_state = 0; 619 620 DPRINTF(("ulptclose: closed\n")); 621 return (0); 622 } 623 624 int 625 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 626 { 627 u_int32_t n; 628 int error = 0; 629 void *bufp; 630 usbd_xfer_handle xfer; 631 usbd_status err; 632 633 DPRINTF(("ulptwrite\n")); 634 xfer = usbd_alloc_xfer(sc->sc_udev); 635 if (xfer == NULL) 636 return (ENOMEM); 637 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); 638 if (bufp == NULL) { 639 usbd_free_xfer(xfer); 640 return (ENOMEM); 641 } 642 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 643 ulpt_statusmsg(ulpt_status(sc), sc); 644 error = uiomove(bufp, n, uio); 645 if (error) 646 break; 647 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 648 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 649 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 650 if (err) { 651 DPRINTF(("ulptwrite: error=%d\n", err)); 652 error = EIO; 653 break; 654 } 655 } 656 usbd_free_xfer(xfer); 657 658 return (error); 659 } 660 661 int 662 ulptwrite(dev_t dev, struct uio *uio, int flags) 663 { 664 struct ulpt_softc *sc; 665 int error; 666 667 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 668 669 if (sc->sc_dying) 670 return (EIO); 671 672 sc->sc_refcnt++; 673 error = ulpt_do_write(sc, uio, flags); 674 if (--sc->sc_refcnt < 0) 675 usb_detach_wakeup(USBDEV(sc->sc_dev)); 676 return (error); 677 } 678 679 int 680 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 681 { 682 int error = 0; 683 684 switch (cmd) { 685 default: 686 error = ENODEV; 687 } 688 689 return (error); 690 } 691 692 #if 0 693 /* XXX This does not belong here. */ 694 /* 695 * Print select parts of a IEEE 1284 device ID. 696 */ 697 void 698 ieee1284_print_id(char *str) 699 { 700 char *p, *q; 701 702 for (p = str-1; p; p = strchr(p, ';')) { 703 p++; /* skip ';' */ 704 if (strncmp(p, "MFG:", 4) == 0 || 705 strncmp(p, "MANUFACTURER:", 14) == 0 || 706 strncmp(p, "MDL:", 4) == 0 || 707 strncmp(p, "MODEL:", 6) == 0) { 708 q = strchr(p, ';'); 709 if (q) 710 printf("%.*s", (int)(q - p + 1), p); 711 } 712 } 713 } 714 #endif 715 716 #if defined(__FreeBSD__) 717 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 718 #endif 719