1 /* $NetBSD: ulpt.c,v 1.65 2004/10/23 13:28:27 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, 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 1.65 2004/10/23 13:28:27 augustss 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, 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_MATCH_START(ulpt, uaa); 203 usb_interface_descriptor_t *id; 204 205 DPRINTFN(10,("ulpt_match\n")); 206 if (uaa->iface == NULL) 207 return (UMATCH_NONE); 208 id = usbd_get_interface_descriptor(uaa->iface); 209 if (id != NULL && 210 id->bInterfaceClass == UICLASS_PRINTER && 211 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 212 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI || 213 id->bInterfaceProtocol == UIPROTO_PRINTER_BI || 214 id->bInterfaceProtocol == UIPROTO_PRINTER_1284)) 215 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 216 return (UMATCH_NONE); 217 } 218 219 USB_ATTACH(ulpt) 220 { 221 USB_ATTACH_START(ulpt, sc, uaa); 222 usbd_device_handle dev = uaa->device; 223 usbd_interface_handle iface = uaa->iface; 224 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface); 225 usb_interface_descriptor_t *id; 226 usbd_status err; 227 char devinfo[1024]; 228 usb_endpoint_descriptor_t *ed; 229 u_int8_t epcount; 230 int i, altno; 231 usbd_desc_iter_t iter; 232 233 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc)); 234 usbd_devinfo(dev, 0, devinfo, sizeof(devinfo)); 235 USB_ATTACH_SETUP; 236 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 237 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass); 238 239 /* Loop through descriptors looking for a bidir mode. */ 240 usb_desc_iter_init(dev, &iter); 241 for (altno = 0;;) { 242 id = (usb_interface_descriptor_t *)usb_desc_iter_next(&iter); 243 if (!id) 244 break; 245 if (id->bDescriptorType == UDESC_INTERFACE && 246 id->bInterfaceNumber == ifcd->bInterfaceNumber) { 247 if (id->bInterfaceClass == UICLASS_PRINTER && 248 id->bInterfaceSubClass == UISUBCLASS_PRINTER && 249 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /*|| 250 id->bInterfaceProtocol == UIPROTO_PRINTER_1284*/)) 251 goto found; 252 altno++; 253 } 254 } 255 id = ifcd; /* not found, use original */ 256 found: 257 if (id != ifcd) { 258 /* Found a new bidir setting */ 259 DPRINTF(("ulpt_attach: set altno = %d\n", altno)); 260 err = usbd_set_interface(iface, altno); 261 if (err) { 262 printf("%s: setting alternate interface failed\n", 263 USBDEVNAME(sc->sc_dev)); 264 sc->sc_dying = 1; 265 USB_ATTACH_ERROR_RETURN; 266 } 267 } 268 269 epcount = 0; 270 (void)usbd_endpoint_count(iface, &epcount); 271 272 sc->sc_in = -1; 273 sc->sc_out = -1; 274 for (i = 0; i < epcount; i++) { 275 ed = usbd_interface2endpoint_descriptor(iface, i); 276 if (ed == NULL) { 277 printf("%s: couldn't get ep %d\n", 278 USBDEVNAME(sc->sc_dev), i); 279 USB_ATTACH_ERROR_RETURN; 280 } 281 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 282 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 283 sc->sc_in = ed->bEndpointAddress; 284 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 285 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 286 sc->sc_out = ed->bEndpointAddress; 287 } 288 } 289 if (sc->sc_out == -1) { 290 printf("%s: could not find bulk out endpoint\n", 291 USBDEVNAME(sc->sc_dev)); 292 sc->sc_dying = 1; 293 USB_ATTACH_ERROR_RETURN; 294 } 295 296 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) { 297 /* This device doesn't handle reading properly. */ 298 sc->sc_in = -1; 299 } 300 301 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev), 302 sc->sc_in >= 0 ? "bi" : "uni"); 303 304 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out)); 305 306 sc->sc_iface = iface; 307 sc->sc_ifaceno = id->bInterfaceNumber; 308 sc->sc_udev = dev; 309 310 #if 0 311 /* 312 * This code is disabled because for some mysterious reason it causes 313 * printing not to work. But only sometimes, and mostly with 314 * UHCI and less often with OHCI. *sigh* 315 */ 316 { 317 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 318 usb_device_request_t req; 319 int len, alen; 320 321 req.bmRequestType = UT_READ_CLASS_INTERFACE; 322 req.bRequest = UR_GET_DEVICE_ID; 323 USETW(req.wValue, cd->bConfigurationValue); 324 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting); 325 USETW(req.wLength, sizeof devinfo - 1); 326 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK, 327 &alen, USBD_DEFAULT_TIMEOUT); 328 if (err) { 329 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev)); 330 } else if (alen <= 2) { 331 printf("%s: empty device id, no printer connected?\n", 332 USBDEVNAME(sc->sc_dev)); 333 } else { 334 /* devinfo now contains an IEEE-1284 device ID */ 335 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff); 336 if (len > sizeof devinfo - 3) 337 len = sizeof devinfo - 3; 338 devinfo[len] = 0; 339 printf("%s: device id <", USBDEVNAME(sc->sc_dev)); 340 ieee1284_print_id(devinfo+2); 341 printf(">\n"); 342 } 343 } 344 #endif 345 346 #if defined(__FreeBSD__) 347 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self), 348 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self)); 349 sc->dev_noprime = make_dev(&ulpt_cdevsw, 350 device_get_unit(self)|ULPT_NOPRIME, 351 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self)); 352 #endif 353 354 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 355 USBDEV(sc->sc_dev)); 356 357 USB_ATTACH_SUCCESS_RETURN; 358 } 359 360 #if defined(__NetBSD__) || defined(__OpenBSD__) 361 int 362 ulpt_activate(device_ptr_t self, enum devact act) 363 { 364 struct ulpt_softc *sc = (struct ulpt_softc *)self; 365 366 switch (act) { 367 case DVACT_ACTIVATE: 368 return (EOPNOTSUPP); 369 370 case DVACT_DEACTIVATE: 371 sc->sc_dying = 1; 372 break; 373 } 374 return (0); 375 } 376 #endif 377 378 USB_DETACH(ulpt) 379 { 380 USB_DETACH_START(ulpt, sc); 381 int s; 382 #if defined(__NetBSD__) || defined(__OpenBSD__) 383 int maj, mn; 384 #elif defined(__FreeBSD__) 385 struct vnode *vp; 386 #endif 387 388 DPRINTF(("ulpt_detach: sc=%p\n", sc)); 389 390 sc->sc_dying = 1; 391 if (sc->sc_out_pipe != NULL) 392 usbd_abort_pipe(sc->sc_out_pipe); 393 if (sc->sc_in_pipe != NULL) 394 usbd_abort_pipe(sc->sc_in_pipe); 395 396 s = splusb(); 397 if (--sc->sc_refcnt >= 0) { 398 /* There is noone to wake, aborting the pipe is enough */ 399 /* Wait for processes to go away. */ 400 usb_detach_wait(USBDEV(sc->sc_dev)); 401 } 402 splx(s); 403 404 #if defined(__NetBSD__) || defined(__OpenBSD__) 405 /* locate the major number */ 406 #if defined(__NetBSD__) 407 maj = cdevsw_lookup_major(&ulpt_cdevsw); 408 #elif defined(__OpenBSD__) 409 for (maj = 0; maj < nchrdev; maj++) 410 if (cdevsw[maj].d_open == ulptopen) 411 break; 412 #endif 413 414 /* Nuke the vnodes for any open instances (calls close). */ 415 mn = self->dv_unit; 416 vdevgone(maj, mn, mn, VCHR); 417 vdevgone(maj, mn | ULPT_NOPRIME , mn | ULPT_NOPRIME, VCHR); 418 #elif defined(__FreeBSD__) 419 vp = SLIST_FIRST(&sc->dev->si_hlist); 420 if (vp) 421 VOP_REVOKE(vp, REVOKEALL); 422 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist); 423 if (vp) 424 VOP_REVOKE(vp, REVOKEALL); 425 426 destroy_dev(sc->dev); 427 destroy_dev(sc->dev_noprime); 428 #endif 429 430 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 431 USBDEV(sc->sc_dev)); 432 433 return (0); 434 } 435 436 int 437 ulpt_status(struct ulpt_softc *sc) 438 { 439 usb_device_request_t req; 440 usbd_status err; 441 u_char status; 442 443 req.bmRequestType = UT_READ_CLASS_INTERFACE; 444 req.bRequest = UR_GET_PORT_STATUS; 445 USETW(req.wValue, 0); 446 USETW(req.wIndex, sc->sc_ifaceno); 447 USETW(req.wLength, 1); 448 err = usbd_do_request(sc->sc_udev, &req, &status); 449 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err)); 450 if (!err) 451 return (status); 452 else 453 return (0); 454 } 455 456 void 457 ulpt_reset(struct ulpt_softc *sc) 458 { 459 usb_device_request_t req; 460 461 DPRINTFN(1, ("ulpt_reset\n")); 462 req.bRequest = UR_SOFT_RESET; 463 USETW(req.wValue, 0); 464 USETW(req.wIndex, sc->sc_ifaceno); 465 USETW(req.wLength, 0); 466 467 /* 468 * There was a mistake in the USB printer 1.0 spec that gave the 469 * request type as UT_WRITE_CLASS_OTHER; it should have been 470 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one, 471 * so we try both. 472 */ 473 req.bmRequestType = UT_WRITE_CLASS_OTHER; 474 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */ 475 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 476 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */ 477 } 478 } 479 480 #if 0 481 static void 482 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 483 { 484 struct ulpt_softc *sc = priv; 485 486 DPRINTFN(2,("ulpt_input: got some data\n")); 487 /* Do it again. */ 488 if (xfer == sc->sc_in_xfer1) 489 usbd_transfer(sc->sc_in_xfer2); 490 else 491 usbd_transfer(sc->sc_in_xfer1); 492 } 493 #endif 494 495 int ulptusein = 1; 496 497 /* 498 * Reset the printer, then wait until it's selected and not busy. 499 */ 500 int 501 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p) 502 { 503 u_char flags = ULPTFLAGS(dev); 504 struct ulpt_softc *sc; 505 usbd_status err; 506 int spin, error; 507 508 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc); 509 510 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying) 511 return (ENXIO); 512 513 if (sc->sc_state) 514 return (EBUSY); 515 516 sc->sc_state = ULPT_INIT; 517 sc->sc_flags = flags; 518 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags)); 519 520 #if defined(ULPT_DEBUG) && defined(__FreeBSD__) 521 /* Ignoring these flags might not be a good idea */ 522 if ((flags & ~ULPT_NOPRIME) != 0) 523 printf("ulptopen: flags ignored: %b\n", flags, 524 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS"); 525 #endif 526 527 528 error = 0; 529 sc->sc_refcnt++; 530 531 #if 0 /* XXX causes some printers to disconnect */ 532 if ((flags & ULPT_NOPRIME) == 0) 533 ulpt_reset(sc); 534 #endif 535 536 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) { 537 DPRINTF(("ulpt_open: waiting a while\n")); 538 if (spin >= TIMEOUT) { 539 error = EBUSY; 540 sc->sc_state = 0; 541 goto done; 542 } 543 544 /* wait 1/4 second, give up if we get a signal */ 545 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP); 546 if (error != EWOULDBLOCK) { 547 sc->sc_state = 0; 548 goto done; 549 } 550 551 if (sc->sc_dying) { 552 error = ENXIO; 553 sc->sc_state = 0; 554 goto done; 555 } 556 } 557 558 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe); 559 if (err) { 560 error = EIO; 561 goto err0; 562 } 563 sc->sc_out_xfer = usbd_alloc_xfer(sc->sc_udev); 564 if (sc->sc_out_xfer == NULL) { 565 error = ENOMEM; 566 goto err1; 567 } 568 sc->sc_out_buf = usbd_alloc_buffer(sc->sc_out_xfer, ULPT_BSIZE); 569 if (sc->sc_out_buf == NULL) { 570 error = ENOMEM; 571 goto err2; 572 } 573 574 if (ulptusein && sc->sc_in != -1) { 575 DPRINTF(("ulpt_open: open input pipe\n")); 576 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe); 577 if (err) { 578 error = EIO; 579 goto err2; 580 } 581 sc->sc_in_xfer = usbd_alloc_xfer(sc->sc_udev); 582 if (sc->sc_in_xfer == NULL) { 583 error = ENOMEM; 584 goto err3; 585 } 586 sc->sc_in_buf = usbd_alloc_buffer(sc->sc_in_xfer, ULPT_BSIZE); 587 if (sc->sc_in_buf == NULL) { 588 error = ENOMEM; 589 goto err4; 590 } 591 592 /* If it's not opened for read the set up a reader. */ 593 if (!(flags & FREAD)) { 594 DPRINTF(("ulpt_open: start read callout\n")); 595 usb_callout_init(sc->sc_read_callout); 596 usb_callout(sc->sc_read_callout, hz/5, ulpt_tick, sc); 597 sc->sc_has_callout = 1; 598 } 599 } 600 601 sc->sc_state = ULPT_OPEN; 602 goto done; 603 604 err4: 605 usbd_free_xfer(sc->sc_in_xfer); 606 sc->sc_in_xfer = NULL; 607 err3: 608 usbd_close_pipe(sc->sc_in_pipe); 609 sc->sc_in_pipe = NULL; 610 err2: 611 usbd_free_xfer(sc->sc_out_xfer); 612 sc->sc_out_xfer = NULL; 613 err1: 614 usbd_close_pipe(sc->sc_out_pipe); 615 sc->sc_out_pipe = NULL; 616 err0: 617 sc->sc_state = 0; 618 619 done: 620 if (--sc->sc_refcnt < 0) 621 usb_detach_wakeup(USBDEV(sc->sc_dev)); 622 623 DPRINTF(("ulptopen: done, error=%d\n", error)); 624 return (error); 625 } 626 627 int 628 ulpt_statusmsg(u_char status, struct ulpt_softc *sc) 629 { 630 u_char new; 631 632 status = (status ^ LPS_INVERT) & LPS_MASK; 633 new = status & ~sc->sc_laststatus; 634 sc->sc_laststatus = status; 635 636 if (new & LPS_SELECT) 637 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev)); 638 else if (new & LPS_NOPAPER) 639 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev)); 640 else if (new & LPS_NERR) 641 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev)); 642 643 return (status); 644 } 645 646 int 647 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p) 648 { 649 struct ulpt_softc *sc; 650 651 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 652 653 if (sc->sc_state != ULPT_OPEN) 654 /* We are being forced to close before the open completed. */ 655 return (0); 656 657 if (sc->sc_has_callout) { 658 usb_uncallout(sc->sc_read_callout, ulpt_tick, sc); 659 sc->sc_has_callout = 0; 660 } 661 662 if (sc->sc_out_pipe != NULL) { 663 usbd_abort_pipe(sc->sc_out_pipe); 664 usbd_close_pipe(sc->sc_out_pipe); 665 sc->sc_out_pipe = NULL; 666 } 667 if (sc->sc_out_xfer != NULL) { 668 usbd_free_xfer(sc->sc_out_xfer); 669 sc->sc_out_xfer = NULL; 670 } 671 672 if (sc->sc_in_pipe != NULL) { 673 usbd_abort_pipe(sc->sc_in_pipe); 674 usbd_close_pipe(sc->sc_in_pipe); 675 sc->sc_in_pipe = NULL; 676 } 677 if (sc->sc_in_xfer != NULL) { 678 usbd_free_xfer(sc->sc_in_xfer); 679 sc->sc_in_xfer = NULL; 680 } 681 682 sc->sc_state = 0; 683 684 DPRINTF(("ulptclose: closed\n")); 685 return (0); 686 } 687 688 int 689 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags) 690 { 691 u_int32_t n; 692 int error = 0; 693 void *bufp; 694 usbd_xfer_handle xfer; 695 usbd_status err; 696 697 DPRINTF(("ulptwrite\n")); 698 xfer = sc->sc_out_xfer; 699 bufp = sc->sc_out_buf; 700 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 701 ulpt_statusmsg(ulpt_status(sc), sc); 702 error = uiomove(bufp, n, uio); 703 if (error) 704 break; 705 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n)); 706 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY, 707 USBD_NO_TIMEOUT, bufp, &n, "ulptwr"); 708 if (err) { 709 DPRINTF(("ulptwrite: error=%d\n", err)); 710 error = EIO; 711 break; 712 } 713 } 714 715 return (error); 716 } 717 718 int 719 ulptwrite(dev_t dev, struct uio *uio, int flags) 720 { 721 struct ulpt_softc *sc; 722 int error; 723 724 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 725 726 if (sc->sc_dying) 727 return (EIO); 728 729 sc->sc_refcnt++; 730 error = ulpt_do_write(sc, uio, flags); 731 if (--sc->sc_refcnt < 0) 732 usb_detach_wakeup(USBDEV(sc->sc_dev)); 733 return (error); 734 } 735 736 int 737 ulpt_do_read(struct ulpt_softc *sc, struct uio *uio, int flags) 738 { 739 u_int32_t n, on; 740 int error = 0; 741 void *bufp; 742 usbd_xfer_handle xfer; 743 usbd_status err; 744 745 DPRINTF(("ulptread\n")); 746 747 if (sc->sc_in_pipe == NULL) 748 return 0; 749 750 xfer = sc->sc_in_xfer; 751 bufp = sc->sc_in_buf; 752 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) { 753 DPRINTFN(1, ("ulptread: transfer %d bytes\n", n)); 754 on = n; 755 err = usbd_bulk_transfer(xfer, sc->sc_in_pipe, 756 USBD_NO_COPY | USBD_SHORT_XFER_OK, 757 USBD_NO_TIMEOUT, bufp, &n, "ulptrd"); 758 if (err) { 759 DPRINTF(("ulptread: error=%d\n", err)); 760 error = EIO; 761 break; 762 } 763 error = uiomove(bufp, n, uio); 764 if (error) 765 break; 766 if (on != n) 767 break; 768 } 769 770 return (error); 771 } 772 773 int 774 ulptread(dev_t dev, struct uio *uio, int flags) 775 { 776 struct ulpt_softc *sc; 777 int error; 778 779 USB_GET_SC(ulpt, ULPTUNIT(dev), sc); 780 781 if (sc->sc_dying) 782 return (EIO); 783 784 sc->sc_refcnt++; 785 error = ulpt_do_read(sc, uio, flags); 786 if (--sc->sc_refcnt < 0) 787 usb_detach_wakeup(USBDEV(sc->sc_dev)); 788 return (error); 789 } 790 791 void 792 ulpt_read_cb(usbd_xfer_handle xfer, usbd_private_handle priv, 793 usbd_status status) 794 { 795 usbd_status err; 796 u_int32_t n; 797 usbd_private_handle xsc; 798 struct ulpt_softc *sc; 799 800 usbd_get_xfer_status(xfer, &xsc, NULL, &n, &err); 801 sc = xsc; 802 803 DPRINTFN(1,("ulpt_read_cb: start sc=%p, err=%d n=%d\n", sc, err, n)); 804 805 #ifdef ULPT_DEBUG 806 if (!err && n > 0) 807 DPRINTF(("ulpt_tick: discarding %d bytes\n", n)); 808 #endif 809 if (!err || err == USBD_TIMEOUT) 810 usb_callout(sc->sc_read_callout, hz / ULPT_READS_PER_SEC, 811 ulpt_tick, sc); 812 } 813 814 void 815 ulpt_tick(void *xsc) 816 { 817 struct ulpt_softc *sc = xsc; 818 usbd_status err; 819 820 if (sc == NULL || sc->sc_dying) 821 return; 822 823 DPRINTFN(1,("ulpt_tick: start sc=%p\n", sc)); 824 825 usbd_setup_xfer(sc->sc_in_xfer, sc->sc_in_pipe, sc, sc->sc_in_buf, 826 ULPT_BSIZE, USBD_NO_COPY | USBD_SHORT_XFER_OK, 827 ULPT_READ_TIMO, ulpt_read_cb); 828 err = usbd_transfer(sc->sc_in_xfer); 829 DPRINTFN(1,("ulpt_tick: err=%d\n", err)); 830 } 831 832 int 833 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p) 834 { 835 int error = 0; 836 837 switch (cmd) { 838 default: 839 error = ENODEV; 840 } 841 842 return (error); 843 } 844 845 #if 0 846 /* XXX This does not belong here. */ 847 /* 848 * Print select parts of a IEEE 1284 device ID. 849 */ 850 void 851 ieee1284_print_id(char *str) 852 { 853 char *p, *q; 854 855 for (p = str-1; p; p = strchr(p, ';')) { 856 p++; /* skip ';' */ 857 if (strncmp(p, "MFG:", 4) == 0 || 858 strncmp(p, "MANUFACTURER:", 14) == 0 || 859 strncmp(p, "MDL:", 4) == 0 || 860 strncmp(p, "MODEL:", 6) == 0) { 861 q = strchr(p, ';'); 862 if (q) 863 printf("%.*s", (int)(q - p + 1), p); 864 } 865 } 866 } 867 #endif 868 869 #if defined(__FreeBSD__) 870 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0); 871 #endif 872 873 874 875 876 877 #if 0 878 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc, 879 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 880 USBD_NO_TIMEOUT, ulpt_input); 881 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc, 882 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK, 883 USBD_NO_TIMEOUT, ulpt_input); 884 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */ 885 #endif 886