1 /* $OpenBSD: ulpt.c,v 1.19 2004/07/08 22:18:44 deraadt Exp $ */
2 /* $NetBSD: ulpt.c,v 1.57 2003/01/05 10:19:42 scw 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:
44 * http://www.usb.org/developers/devclass_docs/usbprint11.pdf
45 */
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/proc.h>
50 #include <sys/kernel.h>
51 #if defined(__NetBSD__) || defined(__OpenBSD__)
52 #include <sys/device.h>
53 #include <sys/ioctl.h>
54 #elif defined(__FreeBSD__)
55 #include <sys/ioccom.h>
56 #include <sys/module.h>
57 #include <sys/bus.h>
58 #endif
59 #include <sys/uio.h>
60 #include <sys/conf.h>
61 #include <sys/vnode.h>
62 #include <sys/syslog.h>
63
64 #include <dev/usb/usb.h>
65 #include <dev/usb/usbdi.h>
66 #include <dev/usb/usbdi_util.h>
67 #include <dev/usb/usbdevs.h>
68 #include <dev/usb/usb_quirks.h>
69
70 #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
71 #define STEP hz/4
72
73 #define LPTPRI (PZERO+8)
74 #define ULPT_BSIZE 16384
75
76 #ifdef ULPT_DEBUG
77 #define DPRINTF(x) do { if (ulptdebug) logprintf x; } while (0)
78 #define DPRINTFN(n,x) do { if (ulptdebug>(n)) logprintf x; } while (0)
79 int ulptdebug = 0;
80 #else
81 #define DPRINTF(x)
82 #define DPRINTFN(n,x)
83 #endif
84
85 #define UR_GET_DEVICE_ID 0
86 #define UR_GET_PORT_STATUS 1
87 #define UR_SOFT_RESET 2
88
89 #define LPS_NERR 0x08 /* printer no error */
90 #define LPS_SELECT 0x10 /* printer selected */
91 #define LPS_NOPAPER 0x20 /* printer out of paper */
92 #define LPS_INVERT (LPS_SELECT|LPS_NERR)
93 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
94
95 struct ulpt_softc {
96 USBBASEDEVICE sc_dev;
97 usbd_device_handle sc_udev; /* device */
98 usbd_interface_handle sc_iface; /* interface */
99 int sc_ifaceno;
100
101 int sc_out;
102 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */
103
104 int sc_in;
105 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */
106 usbd_xfer_handle sc_in_xfer1;
107 usbd_xfer_handle sc_in_xfer2;
108 u_char sc_junk[64]; /* somewhere to dump input */
109
110 u_char sc_state;
111 #define ULPT_OPEN 0x01 /* device is open */
112 #define ULPT_OBUSY 0x02 /* printer is busy doing output */
113 #define ULPT_INIT 0x04 /* waiting to initialize for open */
114 u_char sc_flags;
115 #define ULPT_NOPRIME 0x40 /* don't prime on open */
116 u_char sc_laststatus;
117
118 int sc_refcnt;
119 u_char sc_dying;
120
121 #if defined(__FreeBSD__)
122 dev_t dev;
123 dev_t dev_noprime;
124 #endif
125 };
126
127 #if defined(__NetBSD__)
128 dev_type_open(ulptopen);
129 dev_type_close(ulptclose);
130 dev_type_write(ulptwrite);
131 dev_type_ioctl(ulptioctl);
132
133 const struct cdevsw ulpt_cdevsw = {
134 ulptopen, ulptclose, noread, ulptwrite, ulptioctl,
135 nostop, notty, nopoll, nommap, nokqfilter,
136 };
137 #elif defined(__FreeBSD__)
138 Static d_open_t ulptopen;
139 Static d_close_t ulptclose;
140 Static d_write_t ulptwrite;
141 Static d_ioctl_t ulptioctl;
142
143 #define ULPT_CDEV_MAJOR 113
144
145 Static struct cdevsw ulpt_cdevsw = {
146 /* open */ ulptopen,
147 /* close */ ulptclose,
148 /* read */ noread,
149 /* write */ ulptwrite,
150 /* ioctl */ ulptioctl,
151 /* poll */ nopoll,
152 /* mmap */ nommap,
153 /* strategy */ nostrategy,
154 /* name */ "ulpt",
155 /* maj */ ULPT_CDEV_MAJOR,
156 /* dump */ nodump,
157 /* psize */ nopsize,
158 /* flags */ 0,
159 #if !defined(__FreeBSD__) || (__FreeBSD__ < 5)
160 /* bmaj */ -1
161 #endif
162 };
163 #endif
164
165 void ulpt_disco(void *);
166
167 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
168 int ulpt_status(struct ulpt_softc *);
169 void ulpt_reset(struct ulpt_softc *);
170 int ulpt_statusmsg(u_char, struct ulpt_softc *);
171
172 #if 0
173 void ieee1284_print_id(char *);
174 #endif
175
176 #define ULPTUNIT(s) (minor(s) & 0x1f)
177 #define ULPTFLAGS(s) (minor(s) & 0xe0)
178
179
180 USB_DECLARE_DRIVER(ulpt);
181
USB_MATCH(ulpt)182 USB_MATCH(ulpt)
183 {
184 USB_MATCH_START(ulpt, uaa);
185 usb_interface_descriptor_t *id;
186
187 DPRINTFN(10,("ulpt_match\n"));
188 if (uaa->iface == NULL)
189 return (UMATCH_NONE);
190 id = usbd_get_interface_descriptor(uaa->iface);
191 if (id != NULL &&
192 id->bInterfaceClass == UICLASS_PRINTER &&
193 id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
194 ((id->bInterfaceProtocol == UIPROTO_PRINTER_UNI) ||
195 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI) ||
196 (id->bInterfaceProtocol == UIPROTO_PRINTER_1284)))
197 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
198 return (UMATCH_NONE);
199 }
200
USB_ATTACH(ulpt)201 USB_ATTACH(ulpt)
202 {
203 USB_ATTACH_START(ulpt, sc, uaa);
204 usbd_device_handle dev = uaa->device;
205 usbd_interface_handle iface = uaa->iface;
206 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
207 usb_interface_descriptor_t *id, *iend;
208 usb_config_descriptor_t *cdesc;
209 usbd_status err;
210 char devinfo[1024];
211 usb_endpoint_descriptor_t *ed;
212 u_int8_t epcount;
213 int i, altno;
214
215 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
216 usbd_devinfo(dev, 0, devinfo, sizeof devinfo);
217 USB_ATTACH_SETUP;
218 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
219 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass);
220
221 /* XXX
222 * Stepping through the alternate settings needs to be abstracted out.
223 */
224 cdesc = usbd_get_config_descriptor(dev);
225 if (cdesc == NULL) {
226 printf("%s: failed to get configuration descriptor\n",
227 USBDEVNAME(sc->sc_dev));
228 USB_ATTACH_ERROR_RETURN;
229 }
230 iend = (usb_interface_descriptor_t *)
231 ((char *)cdesc + UGETW(cdesc->wTotalLength));
232 #ifdef DIAGNOSTIC
233 if (ifcd < (usb_interface_descriptor_t *)cdesc ||
234 ifcd >= iend)
235 panic("ulpt: iface desc out of range");
236 #endif
237 /* Step through all the descriptors looking for bidir mode */
238 for (id = ifcd, altno = 0;
239 id < iend;
240 id = (void *)((char *)id + id->bLength)) {
241 if (id->bDescriptorType == UDESC_INTERFACE &&
242 id->bInterfaceNumber == ifcd->bInterfaceNumber) {
243 if (id->bInterfaceClass == UICLASS_PRINTER &&
244 id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
245 (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /*||
246 id->bInterfaceProtocol == UIPROTO_PRINTER_1284*/))
247 goto found;
248 altno++;
249 }
250 }
251 id = ifcd; /* not found, use original */
252 found:
253 if (id != ifcd) {
254 /* Found a new bidir setting */
255 DPRINTF(("ulpt_attach: set altno = %d\n", altno));
256 err = usbd_set_interface(iface, altno);
257 if (err) {
258 printf("%s: setting alternate interface failed\n",
259 USBDEVNAME(sc->sc_dev));
260 sc->sc_dying = 1;
261 USB_ATTACH_ERROR_RETURN;
262 }
263 }
264
265 epcount = 0;
266 (void)usbd_endpoint_count(iface, &epcount);
267
268 sc->sc_in = -1;
269 sc->sc_out = -1;
270 for (i = 0; i < epcount; i++) {
271 ed = usbd_interface2endpoint_descriptor(iface, i);
272 if (ed == NULL) {
273 printf("%s: couldn't get ep %d\n",
274 USBDEVNAME(sc->sc_dev), i);
275 USB_ATTACH_ERROR_RETURN;
276 }
277 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
278 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
279 sc->sc_in = ed->bEndpointAddress;
280 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
281 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
282 sc->sc_out = ed->bEndpointAddress;
283 }
284 }
285 if (sc->sc_out == -1) {
286 printf("%s: could not find bulk out endpoint\n",
287 USBDEVNAME(sc->sc_dev));
288 sc->sc_dying = 1;
289 USB_ATTACH_ERROR_RETURN;
290 }
291
292 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
293 /* This device doesn't handle reading properly. */
294 sc->sc_in = -1;
295 }
296
297 printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev),
298 sc->sc_in >= 0 ? "bi" : "uni");
299
300 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
301
302 sc->sc_iface = iface;
303 sc->sc_ifaceno = id->bInterfaceNumber;
304 sc->sc_udev = dev;
305
306 #if 0
307 /*
308 * This code is disabled because for some mysterious reason it causes
309 * printing not to work. But only sometimes, and mostly with
310 * UHCI and less often with OHCI. *sigh*
311 */
312 {
313 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
314 usb_device_request_t req;
315 int len, alen;
316
317 req.bmRequestType = UT_READ_CLASS_INTERFACE;
318 req.bRequest = UR_GET_DEVICE_ID;
319 USETW(req.wValue, cd->bConfigurationValue);
320 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
321 USETW(req.wLength, sizeof devinfo - 1);
322 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
323 &alen, USBD_DEFAULT_TIMEOUT);
324 if (err) {
325 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
326 } else if (alen <= 2) {
327 printf("%s: empty device id, no printer connected?\n",
328 USBDEVNAME(sc->sc_dev));
329 } else {
330 /* devinfo now contains an IEEE-1284 device ID */
331 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
332 if (len > sizeof devinfo - 3)
333 len = sizeof devinfo - 3;
334 devinfo[len] = 0;
335 printf("%s: device id <", USBDEVNAME(sc->sc_dev));
336 ieee1284_print_id(devinfo+2);
337 printf(">\n");
338 }
339 }
340 #endif
341
342 #if defined(__FreeBSD__)
343 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self),
344 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
345 sc->dev_noprime = make_dev(&ulpt_cdevsw,
346 device_get_unit(self)|ULPT_NOPRIME,
347 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
348 #endif
349
350 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
351 USBDEV(sc->sc_dev));
352
353 USB_ATTACH_SUCCESS_RETURN;
354 }
355
356 #if defined(__NetBSD__) || defined(__OpenBSD__)
357 int
ulpt_activate(device_ptr_t self,enum devact act)358 ulpt_activate(device_ptr_t self, enum devact act)
359 {
360 struct ulpt_softc *sc = (struct ulpt_softc *)self;
361
362 switch (act) {
363 case DVACT_ACTIVATE:
364 return (EOPNOTSUPP);
365
366 case DVACT_DEACTIVATE:
367 sc->sc_dying = 1;
368 break;
369 }
370 return (0);
371 }
372 #endif
373
USB_DETACH(ulpt)374 USB_DETACH(ulpt)
375 {
376 USB_DETACH_START(ulpt, sc);
377 int s;
378 #if defined(__NetBSD__) || defined(__OpenBSD__)
379 int maj, mn;
380 #elif defined(__FreeBSD__)
381 struct vnode *vp;
382 #endif
383
384 DPRINTF(("ulpt_detach: sc=%p\n", sc));
385
386 sc->sc_dying = 1;
387 if (sc->sc_out_pipe != NULL)
388 usbd_abort_pipe(sc->sc_out_pipe);
389 if (sc->sc_in_pipe != NULL)
390 usbd_abort_pipe(sc->sc_in_pipe);
391
392 s = splusb();
393 if (--sc->sc_refcnt >= 0) {
394 /* There is noone to wake, aborting the pipe is enough */
395 /* Wait for processes to go away. */
396 usb_detach_wait(USBDEV(sc->sc_dev));
397 }
398 splx(s);
399
400 #if defined(__NetBSD__) || defined(__OpenBSD__)
401 /* locate the major number */
402 #if defined(__NetBSD__)
403 maj = cdevsw_lookup_major(&ulpt_cdevsw);
404 #elif defined(__OpenBSD__)
405 for (maj = 0; maj < nchrdev; maj++)
406 if (cdevsw[maj].d_open == ulptopen)
407 break;
408 #endif
409
410 /* Nuke the vnodes for any open instances (calls close). */
411 mn = self->dv_unit;
412 vdevgone(maj, mn, mn, VCHR);
413 vdevgone(maj, mn | ULPT_NOPRIME , mn | ULPT_NOPRIME, VCHR);
414 #elif defined(__FreeBSD__)
415 vp = SLIST_FIRST(&sc->dev->si_hlist);
416 if (vp)
417 VOP_REVOKE(vp, REVOKEALL);
418 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist);
419 if (vp)
420 VOP_REVOKE(vp, REVOKEALL);
421
422 destroy_dev(sc->dev);
423 destroy_dev(sc->dev_noprime);
424 #endif
425
426 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
427 USBDEV(sc->sc_dev));
428
429 return (0);
430 }
431
432 int
ulpt_status(struct ulpt_softc * sc)433 ulpt_status(struct ulpt_softc *sc)
434 {
435 usb_device_request_t req;
436 usbd_status err;
437 u_char status;
438
439 req.bmRequestType = UT_READ_CLASS_INTERFACE;
440 req.bRequest = UR_GET_PORT_STATUS;
441 USETW(req.wValue, 0);
442 USETW(req.wIndex, sc->sc_ifaceno);
443 USETW(req.wLength, 1);
444 err = usbd_do_request(sc->sc_udev, &req, &status);
445 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
446 if (!err)
447 return (status);
448 else
449 return (0);
450 }
451
452 void
ulpt_reset(struct ulpt_softc * sc)453 ulpt_reset(struct ulpt_softc *sc)
454 {
455 usb_device_request_t req;
456
457 DPRINTFN(1, ("ulpt_reset\n"));
458 req.bRequest = UR_SOFT_RESET;
459 USETW(req.wValue, 0);
460 USETW(req.wIndex, sc->sc_ifaceno);
461 USETW(req.wLength, 0);
462
463 /*
464 * There was a mistake in the USB printer 1.0 spec that gave the
465 * request type as UT_WRITE_CLASS_OTHER; it should have been
466 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one,
467 * so we try both.
468 */
469 req.bmRequestType = UT_WRITE_CLASS_OTHER;
470 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */
471 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
472 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
473 }
474 }
475
476 static void
ulpt_input(usbd_xfer_handle xfer,usbd_private_handle priv,usbd_status status)477 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
478 {
479 struct ulpt_softc *sc = priv;
480
481 DPRINTFN(2,("ulpt_input: got some data\n"));
482 /* Do it again. */
483 if (xfer == sc->sc_in_xfer1)
484 usbd_transfer(sc->sc_in_xfer2);
485 else
486 usbd_transfer(sc->sc_in_xfer1);
487 }
488
489 int ulptusein = 1;
490
491 /*
492 * Reset the printer, then wait until it's selected and not busy.
493 */
494 int
ulptopen(dev_t dev,int flag,int mode,usb_proc_ptr p)495 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
496 {
497 u_char flags = ULPTFLAGS(dev);
498 struct ulpt_softc *sc;
499 usbd_status err;
500 int spin, error;
501
502 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
503
504 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
505 return (ENXIO);
506
507 if (sc->sc_state)
508 return (EBUSY);
509
510 sc->sc_state = ULPT_INIT;
511 sc->sc_flags = flags;
512 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
513
514 #if defined(ULPT_DEBUG) && defined(__FreeBSD__)
515 /* Ignoring these flags might not be a good idea */
516 if ((flags & ~ULPT_NOPRIME) != 0)
517 printf("ulptopen: flags ignored: %b\n", flags,
518 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
519 #endif
520
521
522 error = 0;
523 sc->sc_refcnt++;
524
525 if ((flags & ULPT_NOPRIME) == 0)
526 ulpt_reset(sc);
527
528 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
529 DPRINTF(("ulpt_open: waiting a while\n"));
530 if (spin >= TIMEOUT) {
531 error = EBUSY;
532 sc->sc_state = 0;
533 goto done;
534 }
535
536 /* wait 1/4 second, give up if we get a signal */
537 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP);
538 if (error != EWOULDBLOCK) {
539 sc->sc_state = 0;
540 goto done;
541 }
542
543 if (sc->sc_dying) {
544 error = ENXIO;
545 sc->sc_state = 0;
546 goto done;
547 }
548 }
549
550 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
551 if (err) {
552 sc->sc_state = 0;
553 error = EIO;
554 goto done;
555 }
556 if (ulptusein && sc->sc_in != -1) {
557 DPRINTF(("ulpt_open: open input pipe\n"));
558 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
559 if (err) {
560 error = EIO;
561 usbd_close_pipe(sc->sc_out_pipe);
562 sc->sc_out_pipe = NULL;
563 sc->sc_state = 0;
564 goto done;
565 }
566 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
567 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
568 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
569 error = ENOMEM;
570 if (sc->sc_in_xfer1 != NULL) {
571 usbd_free_xfer(sc->sc_in_xfer1);
572 sc->sc_in_xfer1 = NULL;
573 }
574 if (sc->sc_in_xfer2 != NULL) {
575 usbd_free_xfer(sc->sc_in_xfer2);
576 sc->sc_in_xfer2 = NULL;
577 }
578 usbd_close_pipe(sc->sc_out_pipe);
579 sc->sc_out_pipe = NULL;
580 usbd_close_pipe(sc->sc_in_pipe);
581 sc->sc_in_pipe = NULL;
582 sc->sc_state = 0;
583 goto done;
584 }
585 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
586 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
587 USBD_NO_TIMEOUT, ulpt_input);
588 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
589 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
590 USBD_NO_TIMEOUT, ulpt_input);
591 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
592 }
593
594 sc->sc_state = ULPT_OPEN;
595
596 done:
597 if (--sc->sc_refcnt < 0)
598 usb_detach_wakeup(USBDEV(sc->sc_dev));
599
600 DPRINTF(("ulptopen: done, error=%d\n", error));
601 return (error);
602 }
603
604 int
ulpt_statusmsg(u_char status,struct ulpt_softc * sc)605 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
606 {
607 u_char new;
608
609 status = (status ^ LPS_INVERT) & LPS_MASK;
610 new = status & ~sc->sc_laststatus;
611 sc->sc_laststatus = status;
612
613 if (new & LPS_SELECT)
614 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
615 else if (new & LPS_NOPAPER)
616 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
617 else if (new & LPS_NERR)
618 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
619
620 return (status);
621 }
622
623 int
ulptclose(dev_t dev,int flag,int mode,usb_proc_ptr p)624 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
625 {
626 struct ulpt_softc *sc;
627
628 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
629
630 if (sc->sc_state != ULPT_OPEN)
631 /* We are being forced to close before the open completed. */
632 return (0);
633
634 if (sc->sc_out_pipe != NULL) {
635 usbd_close_pipe(sc->sc_out_pipe);
636 sc->sc_out_pipe = NULL;
637 }
638 if (sc->sc_in_pipe != NULL) {
639 usbd_abort_pipe(sc->sc_in_pipe);
640 usbd_close_pipe(sc->sc_in_pipe);
641 sc->sc_in_pipe = NULL;
642 if (sc->sc_in_xfer1 != NULL) {
643 usbd_free_xfer(sc->sc_in_xfer1);
644 sc->sc_in_xfer1 = NULL;
645 }
646 if (sc->sc_in_xfer2 != NULL) {
647 usbd_free_xfer(sc->sc_in_xfer2);
648 sc->sc_in_xfer2 = NULL;
649 }
650 }
651
652 sc->sc_state = 0;
653
654 DPRINTF(("ulptclose: closed\n"));
655 return (0);
656 }
657
658 int
ulpt_do_write(struct ulpt_softc * sc,struct uio * uio,int flags)659 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
660 {
661 u_int32_t n;
662 int error = 0;
663 void *bufp;
664 usbd_xfer_handle xfer;
665 usbd_status err;
666
667 DPRINTF(("ulptwrite\n"));
668 xfer = usbd_alloc_xfer(sc->sc_udev);
669 if (xfer == NULL)
670 return (ENOMEM);
671 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
672 if (bufp == NULL) {
673 usbd_free_xfer(xfer);
674 return (ENOMEM);
675 }
676 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
677 ulpt_statusmsg(ulpt_status(sc), sc);
678 error = uiomove(bufp, n, uio);
679 if (error)
680 break;
681 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
682 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
683 USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
684 if (err) {
685 DPRINTF(("ulptwrite: error=%d\n", err));
686 error = EIO;
687 break;
688 }
689 }
690 usbd_free_xfer(xfer);
691
692 return (error);
693 }
694
695 int
ulptwrite(dev_t dev,struct uio * uio,int flags)696 ulptwrite(dev_t dev, struct uio *uio, int flags)
697 {
698 struct ulpt_softc *sc;
699 int error;
700
701 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
702
703 if (sc->sc_dying)
704 return (EIO);
705
706 sc->sc_refcnt++;
707 error = ulpt_do_write(sc, uio, flags);
708 if (--sc->sc_refcnt < 0)
709 usb_detach_wakeup(USBDEV(sc->sc_dev));
710 return (error);
711 }
712
713 int
ulptioctl(dev_t dev,u_long cmd,caddr_t data,int flag,usb_proc_ptr p)714 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
715 {
716 int error = 0;
717
718 switch (cmd) {
719 default:
720 error = ENODEV;
721 }
722
723 return (error);
724 }
725
726 #if 0
727 /* XXX This does not belong here. */
728 /*
729 * Print select parts of a IEEE 1284 device ID.
730 */
731 void
732 ieee1284_print_id(char *str)
733 {
734 char *p, *q;
735
736 for (p = str-1; p; p = strchr(p, ';')) {
737 p++; /* skip ';' */
738 if (strncmp(p, "MFG:", 4) == 0 ||
739 strncmp(p, "MANUFACTURER:", 14) == 0 ||
740 strncmp(p, "MDL:", 4) == 0 ||
741 strncmp(p, "MODEL:", 6) == 0) {
742 q = strchr(p, ';');
743 if (q)
744 printf("%.*s", (int)(q - p + 1), p);
745 }
746 }
747 }
748 #endif
749
750 #if defined(__FreeBSD__)
751 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
752 #endif
753