Make the Brother HL1240 printer work with ulpt.
[dragonfly.git] / sys / dev / usbmisc / ulpt / ulpt.c
1 /*
2  * $NetBSD: ulpt.c,v 1.55 2002/10/23 09:14:01 jdolecek Exp $
3  * $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.59 2003/09/28 20:48:13 phk Exp $
4  * $DragonFly: src/sys/dev/usbmisc/ulpt/ulpt.c,v 1.25 2008/02/11 16:56:53 dillon Exp $
5  */
6
7 /*
8  * Copyright (c) 1998 The NetBSD Foundation, Inc.
9  * All rights reserved.
10  *
11  * This code is derived from software contributed to The NetBSD Foundation
12  * by Lennart Augustsson (lennart@augustsson.net) at
13  * Carlstedt Research & Technology.
14  *
15  * Redistribution and use in source and binary forms, with or without
16  * modification, are permitted provided that the following conditions
17  * are met:
18  * 1. Redistributions of source code must retain the above copyright
19  *    notice, this list of conditions and the following disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  *    notice, this list of conditions and the following disclaimer in the
22  *    documentation and/or other materials provided with the distribution.
23  * 3. All advertising materials mentioning features or use of this software
24  *    must display the following acknowledgement:
25  *        This product includes software developed by the NetBSD
26  *        Foundation, Inc. and its contributors.
27  * 4. Neither the name of The NetBSD Foundation nor the names of its
28  *    contributors may be used to endorse or promote products derived
29  *    from this software without specific prior written permission.
30  *
31  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
32  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
33  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
34  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
35  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
36  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
37  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
38  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
39  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGE.
42  */
43
44 /*
45  * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF
46  */
47
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/proc.h>
51 #include <sys/kernel.h>
52 #include <sys/ioccom.h>
53 #include <sys/module.h>
54 #include <sys/bus.h>
55 #include <sys/uio.h>
56 #include <sys/conf.h>
57 #include <sys/device.h>
58 #include <sys/syslog.h>
59 #include <sys/sysctl.h>
60 #include <sys/thread2.h>
61
62 #include <bus/usb/usb.h>
63 #include <bus/usb/usbdi.h>
64 #include <bus/usb/usbdi_util.h>
65 #include <bus/usb/usb_quirks.h>
66
67 #define TIMEOUT         hz*16   /* wait up to 16 seconds for a ready */
68 #define STEP            hz/4
69
70 #define ULPT_BSIZE      16384
71
72 #ifdef USB_DEBUG
73 #define DPRINTF(x)      if (ulptdebug) kprintf x
74 #define DPRINTFN(n,x)   if (ulptdebug>(n)) kprintf x
75 int     ulptdebug = 0;
76 SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
77 SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
78            &ulptdebug, 0, "ulpt debug level");
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         device_t 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         int vendor;
120         int product;
121 };
122
123 static d_open_t ulptopen;
124 static d_close_t ulptclose;
125 static d_write_t ulptwrite;
126 static d_ioctl_t ulptioctl;
127
128 #define ULPT_CDEV_MAJOR 113
129
130 static struct dev_ops ulpt_ops = {
131         { "ulpt", ULPT_CDEV_MAJOR, 0 },
132         .d_open =       ulptopen,
133         .d_close =      ulptclose,
134         .d_write =      ulptwrite,
135         .d_ioctl =      ulptioctl,
136 };
137
138 void ulpt_disco(void *);
139
140 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
141 int ulpt_status(struct ulpt_softc *);
142 void ulpt_reset(struct ulpt_softc *);
143 int ulpt_statusmsg(u_char, struct ulpt_softc *);
144
145 #if 0
146 void ieee1284_print_id(char *);
147 #endif
148
149 #define ULPTUNIT(s)     (minor(s) & 0x1f)
150 #define ULPTFLAGS(s)    (minor(s) & 0xe0)
151
152
153 static device_probe_t ulpt_match;
154 static device_attach_t ulpt_attach;
155 static device_detach_t ulpt_detach;
156
157 static devclass_t ulpt_devclass;
158
159 static kobj_method_t ulpt_methods[] = {
160         DEVMETHOD(device_probe, ulpt_match),
161         DEVMETHOD(device_attach, ulpt_attach),
162         DEVMETHOD(device_detach, ulpt_detach),
163         {0,0}
164 };
165
166 static driver_t ulpt_driver = {
167         "ulpt",
168         ulpt_methods,
169         sizeof(struct ulpt_softc)
170 };
171
172 MODULE_DEPEND(ulpt, usb, 1, 1, 1);
173
174 static int
175 ulpt_match(device_t self)
176 {
177         struct usb_attach_arg *uaa = device_get_ivars(self);
178         usb_interface_descriptor_t *id;
179
180         DPRINTFN(10,("ulpt_match\n"));
181         if (uaa->iface == NULL)
182                 return (UMATCH_NONE);
183         id = usbd_get_interface_descriptor(uaa->iface);
184         if (id != NULL &&
185             id->bInterfaceClass == UICLASS_PRINTER &&
186             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
187             (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
188              id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
189              id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
190                 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
191         return (UMATCH_NONE);
192 }
193
194 static int
195 ulpt_attach(device_t self)
196 {
197         struct ulpt_softc *sc = device_get_softc(self);
198         struct usb_attach_arg *uaa = device_get_ivars(self);
199         usbd_device_handle dev = uaa->device;
200         usbd_interface_handle iface = uaa->iface;
201         usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
202         usb_interface_descriptor_t *id, *iend;
203         usb_config_descriptor_t *cdesc;
204         usbd_status err;
205         usb_endpoint_descriptor_t *ed;
206         u_int8_t epcount;
207         int i, altno;
208
209         DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
210         sc->sc_dev = self;
211
212         /* XXX
213          * Stepping through the alternate settings needs to be abstracted out.
214          */
215         cdesc = usbd_get_config_descriptor(dev);
216         if (cdesc == NULL) {
217                 kprintf("%s: failed to get configuration descriptor\n",
218                        device_get_nameunit(sc->sc_dev));
219                 return ENXIO;
220         }
221         iend = (usb_interface_descriptor_t *)
222                    ((char *)cdesc + UGETW(cdesc->wTotalLength));
223 #ifdef DIAGNOSTIC
224         if (ifcd < (usb_interface_descriptor_t *)cdesc ||
225             ifcd >= iend)
226                 panic("ulpt: iface desc out of range");
227 #endif
228         /* Step through all the descriptors looking for bidir mode */
229         for (id = ifcd, altno = 0;
230              id < iend;
231              id = (void *)((char *)id + id->bLength)) {
232                 if (id->bDescriptorType == UDESC_INTERFACE &&
233                     id->bInterfaceNumber == ifcd->bInterfaceNumber) {
234                         if (id->bInterfaceClass == UICLASS_PRINTER &&
235                             id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
236                             (id->bInterfaceProtocol == UIPROTO_PRINTER_BI /* ||
237                              id->bInterfaceProtocol == UIPROTO_PRINTER_1284 */))
238                                 goto found;
239                         altno++;
240                 }
241         }
242         id = ifcd;              /* not found, use original */
243  found:
244         if (id != ifcd) {
245                 /* Found a new bidir setting */
246                 DPRINTF(("ulpt_attach: set altno = %d\n", altno));
247                 err = usbd_set_interface(iface, altno);
248                 if (err) {
249                         kprintf("%s: setting alternate interface failed\n",
250                                device_get_nameunit(sc->sc_dev));
251                         sc->sc_dying = 1;
252                         return ENXIO;
253                 }
254         }
255
256         epcount = 0;
257         (void)usbd_endpoint_count(iface, &epcount);
258
259         sc->sc_in = -1;
260         sc->sc_out = -1;
261         sc->vendor = uaa->vendor;
262         sc->product = uaa->product;
263         for (i = 0; i < epcount; i++) {
264                 ed = usbd_interface2endpoint_descriptor(iface, i);
265                 if (ed == NULL) {
266                         kprintf("%s: couldn't get ep %d\n",
267                             device_get_nameunit(sc->sc_dev), i);
268                         return ENXIO;
269                 }
270                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
271                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
272                         sc->sc_in = ed->bEndpointAddress;
273                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
274                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
275                         sc->sc_out = ed->bEndpointAddress;
276                 }
277         }
278         if (sc->sc_out == -1) {
279                 kprintf("%s: could not find bulk out endpoint\n",
280                     device_get_nameunit(sc->sc_dev));
281                 sc->sc_dying = 1;
282                 return ENXIO;
283         }
284
285         if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
286                 /* This device doesn't handle reading properly. */
287                 sc->sc_in = -1;
288         }
289
290         kprintf("%s: using %s-directional mode\n", device_get_nameunit(sc->sc_dev),
291                sc->sc_in >= 0 ? "bi" : "uni");
292
293         DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
294
295         sc->sc_iface = iface;
296         sc->sc_ifaceno = id->bInterfaceNumber;
297         sc->sc_udev = dev;
298
299         dev_ops_add(&ulpt_ops, -1, device_get_unit(self));
300         make_dev(&ulpt_ops, device_get_unit(self),
301                 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
302         make_dev(&ulpt_ops,
303                 device_get_unit(self)|ULPT_NOPRIME,
304                 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
305
306         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
307                            sc->sc_dev);
308
309         return 0;
310 }
311
312 static int
313 ulpt_detach(device_t self)
314 {
315         struct ulpt_softc *sc = device_get_softc(self);
316
317         DPRINTF(("ulpt_detach: sc=%p\n", sc));
318
319         sc->sc_dying = 1;
320         if (sc->sc_out_pipe != NULL)
321                 usbd_abort_pipe(sc->sc_out_pipe);
322         if (sc->sc_in_pipe != NULL)
323                 usbd_abort_pipe(sc->sc_in_pipe);
324
325         /*
326          * Wait for any ongoing operations to complete before we actually
327          * close things down.
328          */
329
330         crit_enter();
331         --sc->sc_refcnt;
332         if (sc->sc_refcnt >= 0) {
333                 kprintf("%s: waiting for idle\n", device_get_nameunit(sc->sc_dev));
334                 while (sc->sc_refcnt >= 0)
335                         usb_detach_wait(sc->sc_dev);
336                 kprintf("%s: idle wait done\n", device_get_nameunit(sc->sc_dev));
337         }
338         crit_exit();
339
340         dev_ops_remove(&ulpt_ops, -1, device_get_unit(self));
341
342         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
343                            sc->sc_dev);
344
345         return (0);
346 }
347
348 int
349 ulpt_status(struct ulpt_softc *sc)
350 {
351         usb_device_request_t req;
352         usbd_status err;
353         u_char status;
354
355         req.bmRequestType = UT_READ_CLASS_INTERFACE;
356         req.bRequest = UR_GET_PORT_STATUS;
357         USETW(req.wValue, 0);
358         USETW(req.wIndex, sc->sc_ifaceno);
359         USETW(req.wLength, 1);
360         err = usbd_do_request(sc->sc_udev, &req, &status);
361         DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
362         if (!err)
363                 return (status);
364         else
365                 return (0);
366 }
367
368 void
369 ulpt_reset(struct ulpt_softc *sc)
370 {
371         usb_device_request_t req;
372         int other_fails;
373
374         /* The Brother HL1240 doesn't handle UT_WRITE_CLASS_OTHER */
375         other_fails = (sc->vendor == 0x04f9 && sc->product == 0x0006);
376
377         DPRINTFN(1, ("ulpt_reset\n"));
378         req.bRequest = UR_SOFT_RESET;
379         USETW(req.wValue, 0);
380         USETW(req.wIndex, sc->sc_ifaceno);
381         USETW(req.wLength, 0);
382
383         /*
384          * There was a mistake in the USB printer 1.0 spec that gave the
385          * request type as UT_WRITE_CLASS_OTHER; it should have been
386          * UT_WRITE_CLASS_INTERFACE.  Many printers use the old one,
387          * so we try both.
388          */
389         req.bmRequestType = UT_WRITE_CLASS_OTHER;
390         /* Some printers don't handle UT_WRITE_CLASS_OTHER */
391         if (other_fails || usbd_do_request(sc->sc_udev, &req, 0)) {/* 1.0 */
392                 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
393                 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
394         }
395 }
396
397 static void
398 ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
399 {
400         struct ulpt_softc *sc = priv;
401         u_int32_t count;
402
403         /* Don't loop on errors or 0-length input. */
404         usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
405         if (status != USBD_NORMAL_COMPLETION || count == 0)
406                 return;
407
408         DPRINTFN(2,("ulpt_input: got some data\n"));
409         /* Do it again. */
410         if (xfer == sc->sc_in_xfer1)
411                 usbd_transfer(sc->sc_in_xfer2);
412         else
413                 usbd_transfer(sc->sc_in_xfer1);
414 }
415
416 int ulptusein = 1;
417
418 /*
419  * Reset the printer, then wait until it's selected and not busy.
420  */
421 int
422 ulptopen(struct dev_open_args *ap)
423 {
424         cdev_t dev = ap->a_head.a_dev;
425         u_char flags = ULPTFLAGS(dev);
426         struct ulpt_softc *sc;
427         usbd_status err;
428         int spin, error;
429
430         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
431         if (sc == NULL)
432                 return (ENXIO);
433
434         if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
435                 return (ENXIO);
436
437         if (sc->sc_state)
438                 return (EBUSY);
439
440         sc->sc_state = ULPT_INIT;
441         sc->sc_flags = flags;
442         DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
443
444 #if defined(USB_DEBUG)
445         /* Ignoring these flags might not be a good idea */
446         if ((flags & ~ULPT_NOPRIME) != 0)
447                 kprintf("ulptopen: flags ignored: %b\n", flags,
448                         "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
449 #endif
450
451         error = 0;
452         sc->sc_refcnt++;
453
454         if ((flags & ULPT_NOPRIME) == 0) {
455                 ulpt_reset(sc);
456                 if (sc->sc_dying) {
457                         error = ENXIO;
458                         sc->sc_state = 0;
459                         goto done;
460                 }
461         }
462
463         for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
464                 DPRINTF(("ulpt_open: waiting a while\n"));
465                 if (spin >= TIMEOUT) {
466                         error = EBUSY;
467                         sc->sc_state = 0;
468                         goto done;
469                 }
470
471                 /* wait 1/4 second, give up if we get a signal */
472                 error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP);
473                 if (error != EWOULDBLOCK) {
474                         sc->sc_state = 0;
475                         goto done;
476                 }
477
478                 if (sc->sc_dying) {
479                         error = ENXIO;
480                         sc->sc_state = 0;
481                         goto done;
482                 }
483         }
484
485         err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
486         if (err) {
487                 sc->sc_state = 0;
488                 error = EIO;
489                 goto done;
490         }
491
492         if (ulptusein && sc->sc_in != -1) {
493                 DPRINTF(("ulpt_open: open input pipe\n"));
494                 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
495                 if (err) {
496                         error = EIO;
497                         usbd_close_pipe(sc->sc_out_pipe);
498                         sc->sc_out_pipe = NULL;
499                         sc->sc_state = 0;
500                         goto done;
501                 }
502                 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
503                 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
504                 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
505                         error = ENOMEM;
506                         if (sc->sc_in_xfer1 != NULL) {
507                                 usbd_free_xfer(sc->sc_in_xfer1);
508                                 sc->sc_in_xfer1 = NULL;
509                         }
510                         if (sc->sc_in_xfer2 != NULL) {
511                                 usbd_free_xfer(sc->sc_in_xfer2);
512                                 sc->sc_in_xfer2 = NULL;
513                         }
514                         usbd_close_pipe(sc->sc_out_pipe);
515                         sc->sc_out_pipe = NULL;
516                         usbd_close_pipe(sc->sc_in_pipe);
517                         sc->sc_in_pipe = NULL;
518                         sc->sc_state = 0;
519                         goto done;
520                 }
521                 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
522                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
523                     USBD_NO_TIMEOUT, ulpt_input);
524                 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
525                     sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
526                     USBD_NO_TIMEOUT, ulpt_input);
527                 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
528         }
529
530         sc->sc_state = ULPT_OPEN;
531
532 done:
533         if (--sc->sc_refcnt < 0)
534                 usb_detach_wakeup(sc->sc_dev);
535
536         DPRINTF(("ulptopen: done, error=%d\n", error));
537         return (error);
538 }
539
540 int
541 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
542 {
543         u_char new;
544
545         status = (status ^ LPS_INVERT) & LPS_MASK;
546         new = status & ~sc->sc_laststatus;
547         sc->sc_laststatus = status;
548
549         if (new & LPS_SELECT)
550                 log(LOG_NOTICE, "%s: offline\n", device_get_nameunit(sc->sc_dev));
551         else if (new & LPS_NOPAPER)
552                 log(LOG_NOTICE, "%s: out of paper\n", device_get_nameunit(sc->sc_dev));
553         else if (new & LPS_NERR)
554                 log(LOG_NOTICE, "%s: output error\n", device_get_nameunit(sc->sc_dev));
555
556         return (status);
557 }
558
559 int
560 ulptclose(struct dev_close_args *ap)
561 {
562         cdev_t dev = ap->a_head.a_dev;
563         struct ulpt_softc *sc;
564
565         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
566
567         if (sc->sc_state != ULPT_OPEN)
568                 /* We are being forced to close before the open completed. */
569                 return (0);
570
571         if (sc->sc_out_pipe != NULL) {
572                 usbd_close_pipe(sc->sc_out_pipe);
573                 sc->sc_out_pipe = NULL;
574         }
575         if (sc->sc_in_pipe != NULL) {
576                 usbd_abort_pipe(sc->sc_in_pipe);
577                 usbd_close_pipe(sc->sc_in_pipe);
578                 sc->sc_in_pipe = NULL;
579                 if (sc->sc_in_xfer1 != NULL) {
580                         usbd_free_xfer(sc->sc_in_xfer1);
581                         sc->sc_in_xfer1 = NULL;
582                 }
583                 if (sc->sc_in_xfer2 != NULL) {
584                         usbd_free_xfer(sc->sc_in_xfer2);
585                         sc->sc_in_xfer2 = NULL;
586                 }
587         }
588
589         sc->sc_state = 0;
590
591         DPRINTF(("ulptclose: closed\n"));
592         return (0);
593 }
594
595 int
596 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
597 {
598         u_int32_t n;
599         int error = 0;
600         void *bufp;
601         usbd_xfer_handle xfer;
602         usbd_status err;
603
604         DPRINTF(("ulptwrite\n"));
605         xfer = usbd_alloc_xfer(sc->sc_udev);
606         if (xfer == NULL)
607                 return (ENOMEM);
608         bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
609         if (bufp == NULL) {
610                 usbd_free_xfer(xfer);
611                 return (ENOMEM);
612         }
613         while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
614                 ulpt_statusmsg(ulpt_status(sc), sc);
615                 error = uiomove(bufp, n, uio);
616                 if (error)
617                         break;
618                 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
619                 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
620                           USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
621                 if (err) {
622                         DPRINTF(("ulptwrite: error=%d\n", err));
623                         error = EIO;
624                         break;
625                 }
626         }
627         usbd_free_xfer(xfer);
628
629         return (error);
630 }
631
632 int
633 ulptwrite(struct dev_write_args *ap)
634 {
635         cdev_t dev = ap->a_head.a_dev;
636         struct ulpt_softc *sc;
637         int error;
638
639         sc = devclass_get_softc(ulpt_devclass, ULPTUNIT(dev));
640
641         if (sc->sc_dying)
642                 return (EIO);
643
644         sc->sc_refcnt++;
645         error = ulpt_do_write(sc, ap->a_uio, ap->a_ioflag);
646         if (--sc->sc_refcnt < 0)
647                 usb_detach_wakeup(sc->sc_dev);
648         return (error);
649 }
650
651 int
652 ulptioctl(struct dev_ioctl_args *ap)
653 {
654         int error = 0;
655
656         switch (ap->a_cmd) {
657         default:
658                 error = ENODEV;
659         }
660
661         return (error);
662 }
663
664 #if 0
665 /* XXX This does not belong here. */
666 /*
667  * Print select parts of an IEEE 1284 device ID.
668  */
669 void
670 ieee1284_print_id(char *str)
671 {
672         char *p, *q;
673
674         for (p = str-1; p; p = strchr(p, ';')) {
675                 p++;            /* skip ';' */
676                 if (strncmp(p, "MFG:", 4) == 0 ||
677                     strncmp(p, "MANUFACTURER:", 14) == 0 ||
678                     strncmp(p, "MDL:", 4) == 0 ||
679                     strncmp(p, "MODEL:", 6) == 0) {
680                         q = strchr(p, ';');
681                         if (q)
682                                 kprintf("%.*s", (int)(q - p + 1), p);
683                 }
684         }
685 }
686 #endif
687
688 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
689