1 /* $NetBSD: ulpt.c,v 1.78 2007/03/13 13:51:55 drochner 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, 2003 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 1.78 2007/03/13 13:51:55 drochner Exp $"); 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/proc.h> 51 #include <sys/kernel.h> 52 #include <sys/fcntl.h> 53 #if defined(__NetBSD__) || defined(__OpenBSD__) 54 #include <sys/device.h> 55 #include <sys/ioctl.h> 56 #elif defined(__FreeBSD__) 57 #include <sys/ioccom.h> 58 #include <sys/module.h> 59 #include <sys/bus.h> 60 #endif 61 #include <sys/uio.h> 62 #include <sys/conf.h> 63 #include <sys/vnode.h> 64 #include <sys/syslog.h> 65 66 #include <machine/vmparam.h> /* PAGE_SIZE */ 67 68 #include <dev/usb/usb.h> 69 #include <dev/usb/usbdi.h> 70 #include <dev/usb/usbdi_util.h> 71 #include <dev/usb/usbdevs.h> 72 #include <dev/usb/usb_quirks.h> 73 74 #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */ 75 #define STEP hz/4 76 77 #define LPTPRI (PZERO+8) 78 #define ULPT_BSIZE PAGE_SIZE 79 80 #define ULPT_READS_PER_SEC 5 81 #define ULPT_READ_TIMO 10 82 83 #ifdef ULPT_DEBUG 84 #define DPRINTF(x) if (ulptdebug) logprintf x 85 #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x 86 int ulptdebug = 0; 87 #else 88 #define DPRINTF(x) 89 #define DPRINTFN(n,x) 90 #endif 91 92 #define UR_GET_DEVICE_ID 0 93 #define UR_GET_PORT_STATUS 1 94 #define UR_SOFT_RESET 2 95 96 #define LPS_NERR 0x08 /* printer no error */ 97 #define LPS_SELECT 0x10 /* printer selected */ 98 #define LPS_NOPAPER 0x20 /* printer out of paper */ 99 #define LPS_INVERT (LPS_SELECT|LPS_NERR) 100 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER) 101 102 struct ulpt_softc { 103 USBBASEDEVICE sc_dev; 104 usbd_device_handle sc_udev; /* device */ 105 usbd_interface_handle sc_iface; /* interface */ 106 int sc_ifaceno; 107 108 int sc_out; 109 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */ 110 usbd_xfer_handle sc_out_xfer; 111 void *sc_out_buf; 112 113 int sc_in; 114 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */ 115 usbd_xfer_handle sc_in_xfer; 116 void *sc_in_buf; 117 118 usb_callout_t sc_read_callout; 119 int sc_has_callout; 120 121 u_char sc_state; 122 #define ULPT_OPEN 0x01 /* device is open */ 123 #define ULPT_OBUSY 0x02 /* printer is busy doing output */ 124 #define ULPT_INIT 0x04 /* waiting to initialize for open */ 125 u_char sc_flags; 126 #define ULPT_NOPRIME 0x40 /* don't prime on open */ 127 u_char sc_laststatus; 128 129 int sc_refcnt; 130 u_char sc_dying; 131 132 #if defined(__FreeBSD__) 133 dev_t dev; 134 dev_t dev_noprime; 135 #endif 136 }; 137 138 #if defined(__NetBSD__) 139 dev_type_open(ulptopen); 140 dev_type_close(ulptclose); 141 dev_type_write(ulptwrite); 142 dev_type_read(ulptread); 143 dev_type_ioctl(ulptioctl); 144 145 const struct cdevsw ulpt_cdevsw = { 146 ulptopen, ulptclose, ulptread, ulptwrite, ulptioctl, 147 nostop, notty, nopoll, nommap, nokqfilter, D_OTHER, 148 }; 149 #elif defined(__OpenBSD__) 150 cdev_decl(ulpt); 151 #elif defined(__FreeBSD__) 152 Static d_open_t ulptopen; 153 Static d_close_t ulptclose; 154 Static d_write_t ulptwrite; 155 Static d_ioctl_t ulptioctl; 156 157 #define ULPT_CDEV_MAJOR 113 158 159 Static struct cdevsw ulpt_cdevsw = { 160 /* open */ ulptopen, 161 /* close */ ulptclose, 162 /* read */ noread, 163 /* write */ ulptwrite, 164 /* ioctl */ ulptioctl, 165 /* poll */ nopoll, 166 /* mmap */ nommap, 167 /* strategy */ nostrategy, 168 /* name */ "ulpt", 169 /* maj */ ULPT_CDEV_MAJOR, 170 /* dump */ nodump, 171 /* psize */ nopsize, 172 /* flags */ 0, 173 #if !defined(__FreeBSD__) || (__FreeBSD__ < 5) 174 /* bmaj */ -1 175 #endif 176 }; 177 #endif 178 179 void ulpt_disco(void *); 180 181 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int); 182 int ulpt_do_read(struct ulpt_softc *, struct uio *uio, int); 183 int ulpt_status(struct ulpt_softc *); 184 void ulpt_reset(struct ulpt_softc *); 185 int ulpt_statusmsg(u_char, struct ulpt_softc *); 186 void ulpt_read_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 187 usbd_status status); 188 void ulpt_tick(void *xsc); 189 190 #if 0 191 void ieee1284_print_id(char *); 192 #endif 193 194 #define ULPTUNIT(s) (minor(s) & 0x1f) 195 #define ULPTFLAGS(s) (minor(s) & 0xe0) 196 197 198 USB_DECLARE_DRIVER(ulpt); 199 200 USB_MATCH(ulpt) 201 { 202 USB_IFMATCH_START(ulpt, uaa); 203 204 DPRINTFN(10,("ulpt_match\n")); 205 206 if (uaa->class == UICLASS_PRINTER && 207 uaa->subclass == UISUBCLASS_PRINTER && 208 (uaa->proto == UIPROTO_PRINTER_UNI || 209 uaa->proto == UIPROTO_PRINTER_BI || 210 uaa->proto == UIPROTO_PRINTER_1284)) 211 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 212 return (UMATCH_NONE); 213 } 214 215 USB_ATTACH(ulpt) 216 { 217 USB_IFATTACH_START(ulpt, sc, uaa); 218 usbd_device_handle dev = uaa->device; 219 usbd_interface_handle iface = uaa->iface; 220 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 221 const usb_interface_descriptor_t *id; 222 usbd_status err; 223 char *devinfop; 224 usb_endpoint_descriptor_t *ed; 225 u_int8_t epcount; 226 int i, altno; 227 usbd_desc_iter_t iter; 228 229 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 230 231 devinfop = usbd_devinfo_alloc(dev, 0); 232 USB_ATTACH_SETUP; 233 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 234 devinfop, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 235 usbd_devinfo_free(devinfop); 236 237 /* Loop through descriptors looking for a bidir mode. */ 238 usb_desc_iter_init(dev, &iter); 239 for (altno = 0;;) { 240 id = (const usb_interface_descriptor_t *)usb_desc_iter_next(&iter); 241 if (!id) 242 break; 243 if (id->bDescriptorType == UDESC_INTERFACE && 244 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 245 if (id->bInterfaceClass == UICLASS_PRINTER && 246 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 247 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /*|| 248 id->bInterfaceProtocol == UIPROTO_PRINTER_1284*/)) 249 goto found; 250 altno++; 251 } 252 } 253 id = ifcd; /* not found, use original */ 254 found: 255 if (id != ifcd) { 256 /* Found a new bidir setting */ 257 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 258 err = usbd_set_interface(iface, altno); 259 if (err) { 260 printf("%s: setting alternate interface failed\n", 261 USBDEVNAME(sc->sc_dev)); 262 sc->sc_dying = 1; 263 USB_ATTACH_ERROR_RETURN; 264 } 265 } 266 267 epcount = 0; 268 (void)usbd_endpoint_count(iface, &epcount); 269 270 sc->sc_in = -1; 271 sc->sc_out = -1; 272 for (i = 0; i < epcount; i++) { 273 ed = usbd_interface2endpoint_descriptor(iface, i); 274 if (ed == NULL) { 275 printf("%s: couldn't get ep %d\n", 276 USBDEVNAME(sc->sc_dev), i); 277 USB_ATTACH_ERROR_RETURN; 278 } 279 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 280 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 281 sc->sc_in = ed->bEndpointAddress; 282 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 283 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 284 sc->sc_out = ed->bEndpointAddress; 285 } 286 } 287 if (sc->sc_out == -1) { 288 printf("%s: could not find bulk out endpoint\n", 289 USBDEVNAME(sc->sc_dev)); 290 sc->sc_dying = 1; 291 USB_ATTACH_ERROR_RETURN; 292 } 293 294 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 295 /* This device doesn't handle reading properly. */ 296 sc->sc_in = -1; 297 } 298 299 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 300 sc->sc_in >= 0 ? "bi" : "uni"); 301 302 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 303 304 sc->sc_iface = iface; 305 sc->sc_ifaceno = id->bInterfaceNumber; 306 sc->sc_udev = dev; 307 308 #if 0 309 /* 310 * This code is disabled because for some mysterious reason it causes 311 * printing not to work. But only sometimes, and mostly with 312 * UHCI and less often with OHCI. *sigh* 313 */ 314 { 315 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 316 usb_device_request_t req; 317 int len, alen; 318 319 req.bmRequestType = UT_READ_CLASS_INTERFACE; 320 req.bRequest = UR_GET_DEVICE_ID; 321 USETW(req.wValue, cd->bConfigurationValue); 322 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 323 USETW(req.wLength, DEVINFOSIZE - 1); 324 err = usbd_do_request_flags(dev, &req, devinfop, USBD_SHORT_XFER_OK, 325 &alen, USBD_DEFAULT_TIMEOUT); 326 if (err) { 327 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 328 } else if (alen <= 2) { 329 printf("%s: empty device id, no printer connected?\n", 330 USBDEVNAME(sc->sc_dev)); 331 } else { 332 /* devinfop now contains an IEEE-1284 device ID */ 333 len = ((devinfop[0] & 0xff) << 8) | (devinfop[1] & 0xff); 334 if (len > DEVINFOSIZE - 3) 335 len = DEVINFOSIZE - 3; 336 devinfop[len] = 0; 337 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 338 ieee1284_print_id(devinfop+2); 339 printf(">\n"); 340 } 341 } 342 #endif 343 344 #if defined(__FreeBSD__) 345 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 346 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 347 sc->dev_noprime = make_dev(&ulpt_cdevsw, 348 device_get_unit(self)|ULPT_NOPRIME, 349 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 350 #endif 351 352 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 353 USBDEV(sc->sc_dev)); 354 355 USB_ATTACH_SUCCESS_RETURN; 356 } 357 358 #if defined(__NetBSD__) || defined(__OpenBSD__) 359 int 360 ulpt_activate(device_ptr_t self, enum devact act) 361 { 362 struct ulpt_softc *sc = (struct ulpt_softc *)self; 363 364 switch (act) { 365 case DVACT_ACTIVATE: 366 return (EOPNOTSUPP); 367 368 case DVACT_DEACTIVATE: 369 sc->sc_dying = 1; 370 break; 371 } 372 return (0); 373 } 374 #endif 375 376 USB_DETACH(ulpt) 377 { 378 USB_DETACH_START(ulpt, sc); 379 int s; 380 #if defined(__NetBSD__) || defined(__OpenBSD__) 381 int maj, mn; 382 #elif defined(__FreeBSD__) 383 struct vnode *vp; 384 #endif 385 386 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 387 388 sc->sc_dying = 1; 389 if (sc->sc_out_pipe != NULL) 390 usbd_abort_pipe(sc->sc_out_pipe); 391 if (sc->sc_in_pipe != NULL) 392 usbd_abort_pipe(sc->sc_in_pipe); 393 394 s = splusb(); 395 if (--sc->sc_refcnt >= 0) { 396 /* There is noone to wake, aborting the pipe is enough */ 397 /* Wait for processes to go away. */ 398 usb_detach_wait(USBDEV(sc->sc_dev)); 399 } 400 splx(s); 401 402 #if defined(__NetBSD__) || defined(__OpenBSD__) 403 /* locate the major number */ 404 #if defined(__NetBSD__) 405 maj = cdevsw_lookup_major(&ulpt_cdevsw); 406 #elif defined(__OpenBSD__) 407 for (maj = 0; maj < nchrdev; maj++) 408 if (cdevsw[maj].d_open == ulptopen) 409 break; 410 #endif 411 412 /* Nuke the vnodes for any open instances (calls close). */ 413 mn = device_unit(self); 414 vdevgone(maj, mn, mn, VCHR); 415 vdevgone(maj, mn | ULPT_NOPRIME , mn | ULPT_NOPRIME, 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 #if 0 479 static void 480 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 481 { 482 struct ulpt_softc *sc = priv; 483 484 DPRINTFN(2,("ulpt_input: got some data\n")); 485 /* Do it again. */ 486 if (xfer == sc->sc_in_xfer1) 487 usbd_transfer(sc->sc_in_xfer2); 488 else 489 usbd_transfer(sc->sc_in_xfer1); 490 } 491 #endif 492 493 int ulptusein = 1; 494 495 /* 496 * Reset the printer, then wait until it's selected and not busy. 497 */ 498 int 499 ulptopen(dev_t dev, int flag, int mode, struct lwp *l) 500 { 501 u_char flags = ULPTFLAGS(dev); 502 struct ulpt_softc *sc; 503 usbd_status err; 504 int spin, error; 505 506 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 507 508 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 509 return (ENXIO); 510 511 if (sc->sc_state) 512 return (EBUSY); 513 514 sc->sc_state = ULPT_INIT; 515 sc->sc_flags = flags; 516 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 517 518 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 519 /* Ignoring these flags might not be a good idea */ 520 if ((flags & ~ULPT_NOPRIME) != 0) 521 printf("ulptopen: flags ignored: %b\n", flags, 522 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 523 #endif 524 525 526 error = 0; 527 sc->sc_refcnt++; 528 529 #if 0 /* XXX causes some printers to disconnect */ 530 if ((flags & ULPT_NOPRIME) == 0) 531 ulpt_reset(sc); 532 #endif 533 534 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 535 DPRINTF(("ulpt_open: waiting a while\n")); 536 if (spin >= TIMEOUT) { 537 error = EBUSY; 538 sc->sc_state = 0; 539 goto done; 540 } 541 542 /* wait 1/4 second, give up if we get a signal */ 543 error = tsleep((void *)sc, LPTPRI | PCATCH, "ulptop", STEP); 544 if (error != EWOULDBLOCK) { 545 sc->sc_state = 0; 546 goto done; 547 } 548 549 if (sc->sc_dying) { 550 error = ENXIO; 551 sc->sc_state = 0; 552 goto done; 553 } 554 } 555 556 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 557 if (err) { 558 error = EIO; 559 goto err0; 560 } 561 sc->sc_out_xfer = usbd_alloc_xfer(sc->sc_udev); 562 if (sc->sc_out_xfer == NULL) { 563 error = ENOMEM; 564 goto err1; 565 } 566 sc->sc_out_buf = usbd_alloc_buffer(sc->sc_out_xfer, ULPT_BSIZE); 567 if (sc->sc_out_buf == NULL) { 568 error = ENOMEM; 569 goto err2; 570 } 571 572 if (ulptusein && sc->sc_in != -1) { 573 DPRINTF(("ulpt_open: open input pipe\n")); 574 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 575 if (err) { 576 error = EIO; 577 goto err2; 578 } 579 sc->sc_in_xfer = usbd_alloc_xfer(sc->sc_udev); 580 if (sc->sc_in_xfer == NULL) { 581 error = ENOMEM; 582 goto err3; 583 } 584 sc->sc_in_buf = usbd_alloc_buffer(sc->sc_in_xfer, ULPT_BSIZE); 585 if (sc->sc_in_buf == NULL) { 586 error = ENOMEM; 587 goto err4; 588 } 589 590 /* If it's not opened for read then set up a reader. */ 591 if (!(flag & FREAD)) { 592 DPRINTF(("ulpt_open: start read callout\n")); 593 usb_callout_init(sc->sc_read_callout); 594 usb_callout(sc->sc_read_callout, hz/5, ulpt_tick, sc); 595 sc->sc_has_callout = 1; 596 } 597 } 598 599 sc->sc_state = ULPT_OPEN; 600 goto done; 601 602 err4: 603 usbd_free_xfer(sc->sc_in_xfer); 604 sc->sc_in_xfer = NULL; 605 err3: 606 usbd_close_pipe(sc->sc_in_pipe); 607 sc->sc_in_pipe = NULL; 608 err2: 609 usbd_free_xfer(sc->sc_out_xfer); 610 sc->sc_out_xfer = NULL; 611 err1: 612 usbd_close_pipe(sc->sc_out_pipe); 613 sc->sc_out_pipe = NULL; 614 err0: 615 sc->sc_state = 0; 616 617 done: 618 if (--sc->sc_refcnt < 0) 619 usb_detach_wakeup(USBDEV(sc->sc_dev)); 620 621 DPRINTF(("ulptopen: done, error=%d\n", error)); 622 return (error); 623 } 624 625 int 626 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 627 { 628 u_char new; 629 630 status = (status ^ LPS_INVERT) & LPS_MASK; 631 new = status & ~sc->sc_laststatus; 632 sc->sc_laststatus = status; 633 634 if (new & LPS_SELECT) 635 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 636 else if (new & LPS_NOPAPER) 637 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 638 else if (new & LPS_NERR) 639 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 640 641 return (status); 642 } 643 644 int 645 ulptclose(dev_t dev, int flag, int mode, 646 struct lwp *l) 647 { 648 struct ulpt_softc *sc; 649 650 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 651 652 if (sc->sc_state != ULPT_OPEN) 653 /* We are being forced to close before the open completed. */ 654 return (0); 655 656 if (sc->sc_has_callout) { 657 usb_uncallout(sc->sc_read_callout, ulpt_tick, sc); 658 sc->sc_has_callout = 0; 659 } 660 661 if (sc->sc_out_pipe != NULL) { 662 usbd_abort_pipe(sc->sc_out_pipe); 663 usbd_close_pipe(sc->sc_out_pipe); 664 sc->sc_out_pipe = NULL; 665 } 666 if (sc->sc_out_xfer != NULL) { 667 usbd_free_xfer(sc->sc_out_xfer); 668 sc->sc_out_xfer = NULL; 669 } 670 671 if (sc->sc_in_pipe != NULL) { 672 usbd_abort_pipe(sc->sc_in_pipe); 673 usbd_close_pipe(sc->sc_in_pipe); 674 sc->sc_in_pipe = NULL; 675 } 676 if (sc->sc_in_xfer != NULL) { 677 usbd_free_xfer(sc->sc_in_xfer); 678 sc->sc_in_xfer = NULL; 679 } 680 681 sc->sc_state = 0; 682 683 DPRINTF(("ulptclose: closed\n")); 684 return (0); 685 } 686 687 int 688 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 689 { 690 u_int32_t n; 691 int error = 0; 692 void *bufp; 693 usbd_xfer_handle xfer; 694 usbd_status err; 695 696 DPRINTF(("ulptwrite\n")); 697 xfer = sc->sc_out_xfer; 698 bufp = sc->sc_out_buf; 699 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 700 ulpt_statusmsg(ulpt_status(sc), sc); 701 error = uiomove(bufp, n, uio); 702 if (error) 703 break; 704 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 705 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 706 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 707 if (err) { 708 DPRINTF(("ulptwrite: error=%d\n", err)); 709 error = EIO; 710 break; 711 } 712 } 713 714 return (error); 715 } 716 717 int 718 ulptwrite(dev_t dev, struct uio *uio, int flags) 719 { 720 struct ulpt_softc *sc; 721 int error; 722 723 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 724 725 if (sc->sc_dying) 726 return (EIO); 727 728 sc->sc_refcnt++; 729 error = ulpt_do_write(sc, uio, flags); 730 if (--sc->sc_refcnt < 0) 731 usb_detach_wakeup(USBDEV(sc->sc_dev)); 732 return (error); 733 } 734 735 int 736 ulpt_do_read(struct ulpt_softc *sc, struct uio *uio, int flags) 737 { 738 u_int32_t n, on; 739 int error = 0; 740 void *bufp; 741 usbd_xfer_handle xfer; 742 usbd_status err; 743 744 DPRINTF(("ulptread\n")); 745 746 if (sc->sc_in_pipe == NULL) 747 return 0; 748 749 xfer = sc->sc_in_xfer; 750 bufp = sc->sc_in_buf; 751 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 752 DPRINTFN(1, ("ulptread: transfer %d bytes\n", n)); 753 on = n; 754 err = usbd_bulk_transfer(xfer, sc->sc_in_pipe, 755 USBD_NO_COPY | USBD_SHORT_XFER_OK, 756 USBD_NO_TIMEOUT, bufp, &n, "ulptrd"); 757 if (err) { 758 DPRINTF(("ulptread: error=%d\n", err)); 759 error = EIO; 760 break; 761 } 762 error = uiomove(bufp, n, uio); 763 if (error) 764 break; 765 if (on != n) 766 break; 767 } 768 769 return (error); 770 } 771 772 int 773 ulptread(dev_t dev, struct uio *uio, int flags) 774 { 775 struct ulpt_softc *sc; 776 int error; 777 778 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 779 780 if (sc->sc_dying) 781 return (EIO); 782 783 sc->sc_refcnt++; 784 error = ulpt_do_read(sc, uio, flags); 785 if (--sc->sc_refcnt < 0) 786 usb_detach_wakeup(USBDEV(sc->sc_dev)); 787 return (error); 788 } 789 790 void 791 ulpt_read_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 792 usbd_status status) 793 { 794 usbd_status err; 795 u_int32_t n; 796 usbd_private_handle xsc; 797 struct ulpt_softc *sc; 798 799 usbd_get_xfer_status(xfer, &xsc, NULL, &n, &err); 800 sc = xsc; 801 802 DPRINTFN(1,("ulpt_read_cb: start sc=%p, err=%d n=%d\n", sc, err, n)); 803 804 #ifdef ULPT_DEBUG 805 if (!err && n > 0) 806 DPRINTF(("ulpt_tick: discarding %d bytes\n", n)); 807 #endif 808 if (!err || err == USBD_TIMEOUT) 809 usb_callout(sc->sc_read_callout, hz / ULPT_READS_PER_SEC, 810 ulpt_tick, sc); 811 } 812 813 void 814 ulpt_tick(void *xsc) 815 { 816 struct ulpt_softc *sc = xsc; 817 usbd_status err; 818 819 if (sc == NULL || sc->sc_dying) 820 return; 821 822 DPRINTFN(1,("ulpt_tick: start sc=%p\n", sc)); 823 824 usbd_setup_xfer(sc->sc_in_xfer, sc->sc_in_pipe, sc, sc->sc_in_buf, 825 ULPT_BSIZE, USBD_NO_COPY | USBD_SHORT_XFER_OK, 826 ULPT_READ_TIMO, ulpt_read_cb); 827 err = usbd_transfer(sc->sc_in_xfer); 828 DPRINTFN(1,("ulpt_tick: err=%d\n", err)); 829 } 830 831 int 832 ulptioctl(dev_t dev, u_long cmd, void *data, 833 int flag, struct lwp *l) 834 { 835 return ENODEV; 836 } 837 838 #if 0 839 /* XXX This does not belong here. */ 840 /* 841 * Print select parts of a IEEE 1284 device ID. 842 */ 843 void 844 ieee1284_print_id(char *str) 845 { 846 char *p, *q; 847 848 for (p = str-1; p; p = strchr(p, ';')) { 849 p++; /* skip ';' */ 850 if (strncmp(p, "MFG:", 4) == 0 || 851 strncmp(p, "MANUFACTURER:", 14) == 0 || 852 strncmp(p, "MDL:", 4) == 0 || 853 strncmp(p, "MODEL:", 6) == 0) { 854 q = strchr(p, ';'); 855 if (q) 856 printf("%.*s", (int)(q - p + 1), p); 857 } 858 } 859 } 860 #endif 861 862 #if defined(__FreeBSD__) 863 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 864 #endif 865 866 867 868 869 870 #if 0 871 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 872 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 873 USBD_NO_TIMEOUT, ulpt_input); 874 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 875 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 876 USBD_NO_TIMEOUT, ulpt_input); 877 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 878 #endif 879