1 /* $OpenBSD: ulpt.c,v 1.9 2001/10/31 04:24:44 nate Exp $ */ 2 /* $NetBSD: ulpt.c,v 1.43 2001/10/19 15:30:25 nathanw 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/usbprint11.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 (id->bInterfaceProtocol == UIPROTO_PRINTER_1284))) 186 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 187 return (UMATCH_NONE); 188 } 189 190 USB_ATTACH(ulpt) 191 { 192 USB_ATTACH_START(ulpt, sc, uaa); 193 usbd_device_handle dev = uaa->device; 194 usbd_interface_handle iface = uaa->iface; 195 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 196 usb_interface_descriptor_t *id, *iend; 197 usb_config_descriptor_t *cdesc; 198 usbd_status err; 199 char devinfo[1024]; 200 usb_endpoint_descriptor_t *ed; 201 u_int8_t epcount; 202 int i, altno; 203 204 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 205 usbd_devinfo(dev, 0, devinfo); 206 USB_ATTACH_SETUP; 207 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 208 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 209 210 /* XXX 211 * Stepping through the alternate settings needs to be abstracted out. 212 */ 213 cdesc = usbd_get_config_descriptor(dev); 214 if (cdesc == NULL) { 215 printf("%s: failed to get configuration descriptor\n", 216 USBDEVNAME(sc->sc_dev)); 217 USB_ATTACH_ERROR_RETURN; 218 } 219 iend = (usb_interface_descriptor_t *) 220 ((char *)cdesc + UGETW(cdesc->wTotalLength)); 221 #ifdef DIAGNOSTIC 222 if (ifcd < (usb_interface_descriptor_t *)cdesc || 223 ifcd >= iend) 224 panic("ulpt: iface desc out of range\n"); 225 #endif 226 /* Step through all the descriptors looking for bidir mode */ 227 for (id = ifcd, altno = 0; 228 id < iend; 229 id = (void *)((char *)id + id->bLength)) { 230 if (id->bDescriptorType == UDESC_INTERFACE && 231 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 232 if (id->bInterfaceClass == UICLASS_PRINTER && 233 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 234 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 235 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 236 goto found; 237 altno++; 238 } 239 } 240 id = ifcd; /* not found, use original */ 241 found: 242 if (id != ifcd) { 243 /* Found a new bidir setting */ 244 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 245 err = usbd_set_interface(iface, altno); 246 if (err) { 247 printf("%s: setting alternate interface failed\n", 248 USBDEVNAME(sc->sc_dev)); 249 sc->sc_dying = 1; 250 USB_ATTACH_ERROR_RETURN; 251 } 252 } 253 254 epcount = 0; 255 (void)usbd_endpoint_count(iface, &epcount); 256 257 sc->sc_in = -1; 258 sc->sc_out = -1; 259 for (i = 0; i < epcount; i++) { 260 ed = usbd_interface2endpoint_descriptor(iface, i); 261 if (ed == NULL) { 262 printf("%s: couldn't get ep %d\n", 263 USBDEVNAME(sc->sc_dev), i); 264 USB_ATTACH_ERROR_RETURN; 265 } 266 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 267 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 268 sc->sc_in = ed->bEndpointAddress; 269 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 270 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 271 sc->sc_out = ed->bEndpointAddress; 272 } 273 } 274 if (sc->sc_out == -1) { 275 printf("%s: could not find bulk endpoint\n", 276 USBDEVNAME(sc->sc_dev)); 277 sc->sc_dying = 1; 278 USB_ATTACH_ERROR_RETURN; 279 } 280 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 281 sc->sc_in >= 0 ? "bi" : "uni"); 282 283 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 284 /* This device doesn't handle reading properly. */ 285 sc->sc_in = -1; 286 } 287 288 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 289 290 sc->sc_iface = iface; 291 sc->sc_ifaceno = id->bInterfaceNumber; 292 sc->sc_udev = dev; 293 294 #if 0 295 /* 296 * This code is disabled because for some mysterious reason it causes 297 * printing not to work. But only sometimes, and mostly with 298 * UHCI and less often with OHCI. *sigh* 299 */ 300 { 301 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 302 usb_device_request_t req; 303 int len, alen; 304 305 req.bmRequestType = UT_READ_CLASS_INTERFACE; 306 req.bRequest = UR_GET_DEVICE_ID; 307 USETW(req.wValue, cd->bConfigurationValue); 308 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 309 USETW(req.wLength, sizeof devinfo - 1); 310 err = usbd_do_request_flags(dev, &req, devinfo,USBD_SHORT_XFER_OK, 311 &alen); 312 if (err) { 313 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 314 } else if (alen <= 2) { 315 printf("%s: empty device id, no printer connected?\n", 316 USBDEVNAME(sc->sc_dev)); 317 } else { 318 /* devinfo now contains an IEEE-1284 device ID */ 319 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 320 if (len > sizeof devinfo - 3) 321 len = sizeof devinfo - 3; 322 devinfo[len] = 0; 323 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 324 ieee1284_print_id(devinfo+2); 325 printf(">\n"); 326 } 327 } 328 #endif 329 330 #if defined(__FreeBSD__) 331 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 332 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 333 sc->dev_noprime = make_dev(&ulpt_cdevsw, 334 device_get_unit(self)|ULPT_NOPRIME, 335 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 336 #endif 337 338 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 339 USBDEV(sc->sc_dev)); 340 341 USB_ATTACH_SUCCESS_RETURN; 342 } 343 344 #if defined(__NetBSD__) || defined(__OpenBSD__) 345 int 346 ulpt_activate(device_ptr_t self, enum devact act) 347 { 348 struct ulpt_softc *sc = (struct ulpt_softc *)self; 349 350 switch (act) { 351 case DVACT_ACTIVATE: 352 return (EOPNOTSUPP); 353 break; 354 355 case DVACT_DEACTIVATE: 356 sc->sc_dying = 1; 357 break; 358 } 359 return (0); 360 } 361 #endif 362 363 USB_DETACH(ulpt) 364 { 365 USB_DETACH_START(ulpt, sc); 366 int s; 367 #if defined(__NetBSD__) || defined(__OpenBSD__) 368 int maj, mn; 369 370 DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags)); 371 #elif defined(__FreeBSD__) 372 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 373 #endif 374 375 sc->sc_dying = 1; 376 if (sc->sc_out_pipe != NULL) 377 usbd_abort_pipe(sc->sc_out_pipe); 378 if (sc->sc_in_pipe != NULL) 379 usbd_abort_pipe(sc->sc_in_pipe); 380 381 s = splusb(); 382 if (--sc->sc_refcnt >= 0) { 383 /* There is noone to wake, aborting the pipe is enough */ 384 /* Wait for processes to go away. */ 385 usb_detach_wait(USBDEV(sc->sc_dev)); 386 } 387 splx(s); 388 389 #if defined(__NetBSD__) || defined(__OpenBSD__) 390 /* locate the major number */ 391 for (maj = 0; maj < nchrdev; maj++) 392 if (cdevsw[maj].d_open == ulptopen) 393 break; 394 395 /* Nuke the vnodes for any open instances (calls close). */ 396 mn = self->dv_unit; 397 vdevgone(maj, mn, mn, VCHR); 398 #elif defined(__FreeBSD__) 399 /* XXX not implemented yet */ 400 401 destroy_dev(sc->dev); 402 destroy_dev(sc->dev_noprime); 403 #endif 404 405 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 406 USBDEV(sc->sc_dev)); 407 408 return (0); 409 } 410 411 int 412 ulpt_status(struct ulpt_softc *sc) 413 { 414 usb_device_request_t req; 415 usbd_status err; 416 u_char status; 417 418 req.bmRequestType = UT_READ_CLASS_INTERFACE; 419 req.bRequest = UR_GET_PORT_STATUS; 420 USETW(req.wValue, 0); 421 USETW(req.wIndex, sc->sc_ifaceno); 422 USETW(req.wLength, 1); 423 err = usbd_do_request(sc->sc_udev, &req, &status); 424 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 425 if (!err) 426 return (status); 427 else 428 return (0); 429 } 430 431 void 432 ulpt_reset(struct ulpt_softc *sc) 433 { 434 usb_device_request_t req; 435 436 DPRINTFN(1, ("ulpt_reset\n")); 437 req.bmRequestType = UT_WRITE_CLASS_OTHER; 438 req.bRequest = UR_SOFT_RESET; 439 USETW(req.wValue, 0); 440 USETW(req.wIndex, sc->sc_ifaceno); 441 USETW(req.wLength, 0); 442 443 /* 444 * There was a mistake in the USB printer 1.0 spec that gave the 445 * request type as UT_WRITE_CLASS_OTHER; it should have been 446 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 447 * so we try both. 448 */ 449 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 450 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 451 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 452 } 453 } 454 455 static void 456 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 457 { 458 struct ulpt_softc *sc = priv; 459 460 DPRINTFN(2,("ulpt_input: got some data\n")); 461 /* Do it again. */ 462 if (xfer == sc->sc_in_xfer1) 463 usbd_transfer(sc->sc_in_xfer2); 464 else 465 usbd_transfer(sc->sc_in_xfer1); 466 } 467 468 int ulptusein = 1; 469 470 /* 471 * Reset the printer, then wait until it's selected and not busy. 472 */ 473 int 474 ulptopen(dev_t dev, int flag, int mode, struct proc *p) 475 { 476 u_char flags = ULPTFLAGS(dev); 477 struct ulpt_softc *sc; 478 usbd_status err; 479 int spin, error; 480 481 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 482 483 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 484 return (ENXIO); 485 486 if (sc->sc_state) 487 return (EBUSY); 488 489 sc->sc_state = ULPT_INIT; 490 sc->sc_flags = flags; 491 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 492 493 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 494 /* Ignoring these flags might not be a good idea */ 495 if ((flags & ~ULPT_NOPRIME) != 0) 496 printf("ulptopen: flags ignored: %b\n", flags, 497 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 498 #endif 499 500 501 error = 0; 502 sc->sc_refcnt++; 503 504 if ((flags & ULPT_NOPRIME) == 0) 505 ulpt_reset(sc); 506 507 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 508 DPRINTF(("ulpt_open: waiting a while\n")); 509 if (spin >= TIMEOUT) { 510 error = EBUSY; 511 sc->sc_state = 0; 512 goto done; 513 } 514 515 /* wait 1/4 second, give up if we get a signal */ 516 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 517 if (error != EWOULDBLOCK) { 518 sc->sc_state = 0; 519 goto done; 520 } 521 522 if (sc->sc_dying) { 523 error = ENXIO; 524 sc->sc_state = 0; 525 goto done; 526 } 527 } 528 529 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 530 if (err) { 531 sc->sc_state = 0; 532 error = EIO; 533 goto done; 534 } 535 if (ulptusein && sc->sc_in != -1) { 536 DPRINTF(("ulpt_open: open input pipe\n")); 537 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 538 if (err) { 539 error = EIO; 540 usbd_close_pipe(sc->sc_out_pipe); 541 sc->sc_out_pipe = NULL; 542 sc->sc_state = 0; 543 goto done; 544 } 545 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev); 546 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev); 547 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) { 548 error = ENOMEM; 549 usbd_close_pipe(sc->sc_out_pipe); 550 sc->sc_out_pipe = NULL; 551 sc->sc_state = 0; 552 goto done; 553 } 554 usbd_setup_xfer(sc->sc_in_xfer1, 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_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 558 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 559 USBD_NO_TIMEOUT, ulpt_input); 560 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 561 } 562 563 sc->sc_state = ULPT_OPEN; 564 565 done: 566 if (--sc->sc_refcnt < 0) 567 usb_detach_wakeup(USBDEV(sc->sc_dev)); 568 569 DPRINTF(("ulptopen: done, error=%d\n", error)); 570 return (error); 571 } 572 573 int 574 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 575 { 576 u_char new; 577 578 status = (status ^ LPS_INVERT) & LPS_MASK; 579 new = status & ~sc->sc_laststatus; 580 sc->sc_laststatus = status; 581 582 if (new & LPS_SELECT) 583 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 584 else if (new & LPS_NOPAPER) 585 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 586 else if (new & LPS_NERR) 587 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 588 589 return (status); 590 } 591 592 int 593 ulptclose(dev_t dev, int flag, int mode, struct proc *p) 594 { 595 struct ulpt_softc *sc; 596 597 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 598 599 if (sc->sc_state != ULPT_OPEN) 600 /* We are being forced to close before the open completed. */ 601 return (0); 602 603 if (sc->sc_out_pipe != NULL) { 604 usbd_close_pipe(sc->sc_out_pipe); 605 sc->sc_out_pipe = NULL; 606 } 607 if (sc->sc_in_pipe != NULL) { 608 usbd_abort_pipe(sc->sc_in_pipe); 609 usbd_close_pipe(sc->sc_in_pipe); 610 sc->sc_in_pipe = NULL; 611 if (sc->sc_in_xfer1 != NULL) { 612 usbd_free_xfer(sc->sc_in_xfer1); 613 sc->sc_in_xfer1 = NULL; 614 } 615 if (sc->sc_in_xfer2 != NULL) { 616 usbd_free_xfer(sc->sc_in_xfer2); 617 sc->sc_in_xfer2 = NULL; 618 } 619 } 620 621 sc->sc_state = 0; 622 623 DPRINTF(("ulptclose: closed\n")); 624 return (0); 625 } 626 627 int 628 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 629 { 630 u_int32_t n; 631 int error = 0; 632 void *bufp; 633 usbd_xfer_handle xfer; 634 usbd_status err; 635 636 DPRINTF(("ulptwrite\n")); 637 xfer = usbd_alloc_xfer(sc->sc_udev); 638 if (xfer == NULL) 639 return (ENOMEM); 640 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE); 641 if (bufp == NULL) { 642 usbd_free_xfer(xfer); 643 return (ENOMEM); 644 } 645 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 646 ulpt_statusmsg(ulpt_status(sc), sc); 647 error = uiomove(bufp, n, uio); 648 if (error) 649 break; 650 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 651 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 652 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 653 if (err) { 654 DPRINTF(("ulptwrite: error=%d\n", err)); 655 error = EIO; 656 break; 657 } 658 } 659 usbd_free_xfer(xfer); 660 661 return (error); 662 } 663 664 int 665 ulptwrite(dev_t dev, struct uio *uio, int flags) 666 { 667 struct ulpt_softc *sc; 668 int error; 669 670 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 671 672 if (sc->sc_dying) 673 return (EIO); 674 675 sc->sc_refcnt++; 676 error = ulpt_do_write(sc, uio, flags); 677 if (--sc->sc_refcnt < 0) 678 usb_detach_wakeup(USBDEV(sc->sc_dev)); 679 return (error); 680 } 681 682 int 683 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 684 { 685 int error = 0; 686 687 switch (cmd) { 688 default: 689 error = ENODEV; 690 } 691 692 return (error); 693 } 694 695 #if 0 696 /* XXX This does not belong here. */ 697 /* 698 * Print select parts of a IEEE 1284 device ID. 699 */ 700 void 701 ieee1284_print_id(char *str) 702 { 703 char *p, *q; 704 705 for (p = str-1; p; p = strchr(p, ';')) { 706 p++; /* skip ';' */ 707 if (strncmp(p, "MFG:", 4) == 0 || 708 strncmp(p, "MANUFACTURER:", 14) == 0 || 709 strncmp(p, "MDL:", 4) == 0 || 710 strncmp(p, "MODEL:", 6) == 0) { 711 q = strchr(p, ';'); 712 if (q) 713 printf("%.*s", (int)(q - p + 1), p); 714 } 715 } 716 } 717 #endif 718 719 #if defined(__FreeBSD__) 720 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 721 #endif 722