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