Rename printf -> kprintf in sys/ and add some defines where necessary
[dragonfly.git] / sys / dev / usbmisc / ulpt / ulpt.c
CommitLineData
62ade751 1/*
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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 $
e3869ec7 4 * $DragonFly: src/sys/dev/usbmisc/ulpt/ulpt.c,v 1.15 2006/12/22 23:26:26 swildner Exp $
62ade751 5 */
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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/*
1550dfd9 45 * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF
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46 */
47
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48#include <sys/param.h>
49#include <sys/systm.h>
50#include <sys/proc.h>
51#include <sys/kernel.h>
52#if defined(__NetBSD__) || defined(__OpenBSD__)
53#include <sys/device.h>
54#include <sys/ioctl.h>
d47ac1a2 55#elif defined(__FreeBSD__) || defined(__DragonFly__)
1550dfd9 56#include <sys/ioccom.h>
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57#include <sys/module.h>
58#include <sys/bus.h>
59#endif
60#include <sys/uio.h>
61#include <sys/conf.h>
fef8985e 62#include <sys/device.h>
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63#include <sys/syslog.h>
64#include <sys/sysctl.h>
4e01b467 65#include <sys/thread2.h>
984263bc 66
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67#include <bus/usb/usb.h>
68#include <bus/usb/usbdi.h>
69#include <bus/usb/usbdi_util.h>
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70#include <bus/usb/usbdevs.h>
71#include <bus/usb/usb_quirks.h>
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72
73#define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
74#define STEP hz/4
75
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76#define ULPT_BSIZE 16384
77
78#ifdef USB_DEBUG
79#define DPRINTF(x) if (ulptdebug) logprintf x
80#define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x
81int ulptdebug = 0;
82SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
83SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
84 &ulptdebug, 0, "ulpt debug level");
85#else
86#define DPRINTF(x)
87#define DPRINTFN(n,x)
88#endif
89
90#define UR_GET_DEVICE_ID 0
91#define UR_GET_PORT_STATUS 1
92#define UR_SOFT_RESET 2
93
94#define LPS_NERR 0x08 /* printer no error */
95#define LPS_SELECT 0x10 /* printer selected */
96#define LPS_NOPAPER 0x20 /* printer out of paper */
97#define LPS_INVERT (LPS_SELECT|LPS_NERR)
98#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
99
100struct ulpt_softc {
101 USBBASEDEVICE sc_dev;
102 usbd_device_handle sc_udev; /* device */
103 usbd_interface_handle sc_iface; /* interface */
104 int sc_ifaceno;
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105
106 int sc_out;
107 usbd_pipe_handle sc_out_pipe; /* bulk out pipe */
108
109 int sc_in;
110 usbd_pipe_handle sc_in_pipe; /* bulk in pipe */
111 usbd_xfer_handle sc_in_xfer1;
112 usbd_xfer_handle sc_in_xfer2;
113 u_char sc_junk[64]; /* somewhere to dump input */
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114
115 u_char sc_state;
116#define ULPT_OPEN 0x01 /* device is open */
117#define ULPT_OBUSY 0x02 /* printer is busy doing output */
118#define ULPT_INIT 0x04 /* waiting to initialize for open */
119 u_char sc_flags;
120#define ULPT_NOPRIME 0x40 /* don't prime on open */
121 u_char sc_laststatus;
122
123 int sc_refcnt;
124 u_char sc_dying;
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125};
126
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127#if defined(__NetBSD__)
128dev_type_open(ulptopen);
129dev_type_close(ulptclose);
130dev_type_write(ulptwrite);
131dev_type_ioctl(ulptioctl);
132
133const struct cdevsw ulpt_cdevsw = {
134 ulptopen, ulptclose, noread, ulptwrite, ulptioctl,
135 nostop, notty, nopoll, nommap, nokqfilter,
136};
137#elif defined(__OpenBSD__)
984263bc 138cdev_decl(ulpt);
d47ac1a2 139#elif defined(__FreeBSD__) || defined(__DragonFly__)
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140Static d_open_t ulptopen;
141Static d_close_t ulptclose;
142Static d_write_t ulptwrite;
143Static d_ioctl_t ulptioctl;
144
145#define ULPT_CDEV_MAJOR 113
146
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147Static struct dev_ops ulpt_ops = {
148 { "ulpt", ULPT_CDEV_MAJOR, 0 },
149 .d_open = ulptopen,
150 .d_close = ulptclose,
151 .d_write = ulptwrite,
152 .d_ioctl = ulptioctl,
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153};
154#endif
155
156void ulpt_disco(void *);
157
158int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
159int ulpt_status(struct ulpt_softc *);
160void ulpt_reset(struct ulpt_softc *);
161int ulpt_statusmsg(u_char, struct ulpt_softc *);
162
1550dfd9 163#if 0
984263bc 164void ieee1284_print_id(char *);
1550dfd9 165#endif
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166
167#define ULPTUNIT(s) (minor(s) & 0x1f)
168#define ULPTFLAGS(s) (minor(s) & 0xe0)
169
170
171USB_DECLARE_DRIVER(ulpt);
172
173USB_MATCH(ulpt)
174{
175 USB_MATCH_START(ulpt, uaa);
176 usb_interface_descriptor_t *id;
1550dfd9 177
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178 DPRINTFN(10,("ulpt_match\n"));
179 if (uaa->iface == NULL)
180 return (UMATCH_NONE);
181 id = usbd_get_interface_descriptor(uaa->iface);
182 if (id != NULL &&
183 id->bInterfaceClass == UICLASS_PRINTER &&
184 id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
185 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
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186 id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
187 id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
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188 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
189 return (UMATCH_NONE);
190}
191
192USB_ATTACH(ulpt)
193{
194 USB_ATTACH_START(ulpt, sc, uaa);
195 usbd_device_handle dev = uaa->device;
196 usbd_interface_handle iface = uaa->iface;
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197 usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
198 usb_interface_descriptor_t *id, *iend;
199 usb_config_descriptor_t *cdesc;
200 usbd_status err;
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201 char devinfo[1024];
202 usb_endpoint_descriptor_t *ed;
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203 u_int8_t epcount;
204 int i, altno;
205
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206 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
207 usbd_devinfo(dev, 0, devinfo);
208 USB_ATTACH_SETUP;
e3869ec7 209 kprintf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
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210 devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass);
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) {
e3869ec7 217 kprintf("%s: failed to get configuration descriptor\n",
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218 USBDEVNAME(sc->sc_dev));
219 USB_ATTACH_ERROR_RETURN;
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) {
e3869ec7 249 kprintf("%s: setting alternate interface failed\n",
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250 USBDEVNAME(sc->sc_dev));
251 sc->sc_dying = 1;
252 USB_ATTACH_ERROR_RETURN;
253 }
984263bc 254 }
984263bc 255
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256 epcount = 0;
257 (void)usbd_endpoint_count(iface, &epcount);
258
259 sc->sc_in = -1;
260 sc->sc_out = -1;
261 for (i = 0; i < epcount; i++) {
262 ed = usbd_interface2endpoint_descriptor(iface, i);
263 if (ed == NULL) {
e3869ec7 264 kprintf("%s: couldn't get ep %d\n",
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265 USBDEVNAME(sc->sc_dev), i);
266 USB_ATTACH_ERROR_RETURN;
267 }
268 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
269 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
270 sc->sc_in = ed->bEndpointAddress;
271 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
272 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
273 sc->sc_out = ed->bEndpointAddress;
274 }
275 }
276 if (sc->sc_out == -1) {
e3869ec7 277 kprintf("%s: could not find bulk out endpoint\n",
1550dfd9 278 USBDEVNAME(sc->sc_dev));
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279 sc->sc_dying = 1;
280 USB_ATTACH_ERROR_RETURN;
281 }
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282
283 if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
284 /* This device doesn't handle reading properly. */
285 sc->sc_in = -1;
286 }
287
e3869ec7 288 kprintf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev),
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289 sc->sc_in >= 0 ? "bi" : "uni");
290
291 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
292
293 sc->sc_iface = iface;
984263bc 294 sc->sc_ifaceno = id->bInterfaceNumber;
1550dfd9 295 sc->sc_udev = dev;
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296
297#if 0
298/*
299 * This code is disabled because for some mysterious reason it causes
300 * printing not to work. But only sometimes, and mostly with
301 * UHCI and less often with OHCI. *sigh*
302 */
303 {
304 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
305 usb_device_request_t req;
306 int len, alen;
307
308 req.bmRequestType = UT_READ_CLASS_INTERFACE;
309 req.bRequest = UR_GET_DEVICE_ID;
310 USETW(req.wValue, cd->bConfigurationValue);
311 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
312 USETW(req.wLength, sizeof devinfo - 1);
313 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
1550dfd9 314 &alen, USBD_DEFAULT_TIMEOUT);
984263bc 315 if (err) {
e3869ec7 316 kprintf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
984263bc 317 } else if (alen <= 2) {
e3869ec7 318 kprintf("%s: empty device id, no printer connected?\n",
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319 USBDEVNAME(sc->sc_dev));
320 } else {
321 /* devinfo now contains an IEEE-1284 device ID */
322 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
323 if (len > sizeof devinfo - 3)
324 len = sizeof devinfo - 3;
325 devinfo[len] = 0;
e3869ec7 326 kprintf("%s: device id <", USBDEVNAME(sc->sc_dev));
984263bc 327 ieee1284_print_id(devinfo+2);
e3869ec7 328 kprintf(">\n");
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329 }
330 }
331#endif
332
d47ac1a2 333#if defined(__FreeBSD__) || defined(__DragonFly__)
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334 dev_ops_add(&ulpt_ops, -1, device_get_unit(self));
335 make_dev(&ulpt_ops, device_get_unit(self),
984263bc 336 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
fef8985e 337 make_dev(&ulpt_ops,
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338 device_get_unit(self)|ULPT_NOPRIME,
339 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
340#endif
341
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342 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
343 USBDEV(sc->sc_dev));
984263bc 344
1550dfd9 345 USB_ATTACH_SUCCESS_RETURN;
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346}
347
348#if defined(__NetBSD__) || defined(__OpenBSD__)
349int
350ulpt_activate(device_ptr_t self, enum devact act)
351{
352 struct ulpt_softc *sc = (struct ulpt_softc *)self;
353
354 switch (act) {
355 case DVACT_ACTIVATE:
356 return (EOPNOTSUPP);
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357
358 case DVACT_DEACTIVATE:
359 sc->sc_dying = 1;
360 break;
361 }
362 return (0);
363}
364#endif
365
366USB_DETACH(ulpt)
367{
368 USB_DETACH_START(ulpt, sc);
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369#if defined(__NetBSD__) || defined(__OpenBSD__)
370 int maj, mn;
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371#endif
372
373#if defined(__NetBSD__) || defined(__OpenBSD__)
374 DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags));
d47ac1a2 375#elif defined(__FreeBSD__) || defined(__DragonFly__)
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376 DPRINTF(("ulpt_detach: sc=%p\n", sc));
377#endif
378
379 sc->sc_dying = 1;
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380 if (sc->sc_out_pipe != NULL)
381 usbd_abort_pipe(sc->sc_out_pipe);
382 if (sc->sc_in_pipe != NULL)
383 usbd_abort_pipe(sc->sc_in_pipe);
984263bc 384
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385 /*
386 * Wait for any ongoing operations to complete before we actually
387 * close things down.
388 */
389
4e01b467 390 crit_enter();
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391 --sc->sc_refcnt;
392 if (sc->sc_refcnt >= 0) {
e3869ec7 393 kprintf("%s: waiting for idle\n", USBDEVNAME(sc->sc_dev));
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394 while (sc->sc_refcnt >= 0)
395 usb_detach_wait(USBDEV(sc->sc_dev));
e3869ec7 396 kprintf("%s: idle wait done\n", USBDEVNAME(sc->sc_dev));
984263bc 397 }
4e01b467 398 crit_exit();
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399
400#if defined(__NetBSD__) || defined(__OpenBSD__)
401 /* locate the major number */
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402#if defined(__NetBSD__)
403 maj = cdevsw_lookup_major(&ulpt_cdevsw);
404#elif defined(__OpenBSD__)
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405 for (maj = 0; maj < nchrdev; maj++)
406 if (cdevsw[maj].d_open == ulptopen)
407 break;
1550dfd9 408#endif
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409
410 /* Nuke the vnodes for any open instances (calls close). */
411 mn = self->dv_unit;
412 vdevgone(maj, mn, mn, VCHR);
d47ac1a2 413#elif defined(__FreeBSD__) || defined(__DragonFly__)
fef8985e 414 dev_ops_remove(&ulpt_ops, -1, device_get_unit(self));
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415#endif
416
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417 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
418 USBDEV(sc->sc_dev));
419
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420 return (0);
421}
422
423int
424ulpt_status(struct ulpt_softc *sc)
425{
426 usb_device_request_t req;
427 usbd_status err;
428 u_char status;
429
430 req.bmRequestType = UT_READ_CLASS_INTERFACE;
431 req.bRequest = UR_GET_PORT_STATUS;
432 USETW(req.wValue, 0);
433 USETW(req.wIndex, sc->sc_ifaceno);
434 USETW(req.wLength, 1);
435 err = usbd_do_request(sc->sc_udev, &req, &status);
436 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
437 if (!err)
438 return (status);
439 else
440 return (0);
441}
442
443void
444ulpt_reset(struct ulpt_softc *sc)
445{
446 usb_device_request_t req;
447
448 DPRINTFN(1, ("ulpt_reset\n"));
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449 req.bRequest = UR_SOFT_RESET;
450 USETW(req.wValue, 0);
451 USETW(req.wIndex, sc->sc_ifaceno);
452 USETW(req.wLength, 0);
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453
454 /*
455 * There was a mistake in the USB printer 1.0 spec that gave the
456 * request type as UT_WRITE_CLASS_OTHER; it should have been
457 * UT_WRITE_CLASS_INTERFACE. Many printers use the old one,
458 * so we try both.
459 */
460 req.bmRequestType = UT_WRITE_CLASS_OTHER;
461 if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */
462 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
463 (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
464 }
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465}
466
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467static void
468ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
469{
470 struct ulpt_softc *sc = priv;
471 u_int32_t count;
472
473 /* Don't loop on errors or 0-length input. */
474 usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
475 if (status != USBD_NORMAL_COMPLETION || count == 0)
476 return;
477
478 DPRINTFN(2,("ulpt_input: got some data\n"));
479 /* Do it again. */
480 if (xfer == sc->sc_in_xfer1)
481 usbd_transfer(sc->sc_in_xfer2);
482 else
483 usbd_transfer(sc->sc_in_xfer1);
484}
485
486int ulptusein = 1;
487
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488/*
489 * Reset the printer, then wait until it's selected and not busy.
490 */
491int
fef8985e 492ulptopen(struct dev_open_args *ap)
984263bc 493{
b13267a5 494 cdev_t dev = ap->a_head.a_dev;
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495 u_char flags = ULPTFLAGS(dev);
496 struct ulpt_softc *sc;
497 usbd_status err;
498 int spin, error;
499
500 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
501
502 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
503 return (ENXIO);
504
505 if (sc->sc_state)
506 return (EBUSY);
507
508 sc->sc_state = ULPT_INIT;
509 sc->sc_flags = flags;
510 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
511
d47ac1a2 512#if defined(USB_DEBUG) && (defined(__FreeBSD__) || defined(__DragonFly__))
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513 /* Ignoring these flags might not be a good idea */
514 if ((flags & ~ULPT_NOPRIME) != 0)
e3869ec7 515 kprintf("ulptopen: flags ignored: %b\n", flags,
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516 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
517#endif
518
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519 error = 0;
520 sc->sc_refcnt++;
984263bc 521
62ade751 522 if ((flags & ULPT_NOPRIME) == 0) {
984263bc 523 ulpt_reset(sc);
62ade751 524 if (sc->sc_dying) {
1550dfd9 525 error = ENXIO;
62ade751 526 sc->sc_state = 0;
1550dfd9 527 goto done;
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528 }
529 }
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530
531 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
1550dfd9 532 DPRINTF(("ulpt_open: waiting a while\n"));
984263bc 533 if (spin >= TIMEOUT) {
1550dfd9 534 error = EBUSY;
984263bc 535 sc->sc_state = 0;
1550dfd9 536 goto done;
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537 }
538
539 /* wait 1/4 second, give up if we get a signal */
377d4740 540 error = tsleep((caddr_t)sc, PCATCH, "ulptop", STEP);
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541 if (error != EWOULDBLOCK) {
542 sc->sc_state = 0;
1550dfd9 543 goto done;
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544 }
545
546 if (sc->sc_dying) {
1550dfd9 547 error = ENXIO;
984263bc 548 sc->sc_state = 0;
1550dfd9 549 goto done;
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550 }
551 }
552
1550dfd9 553 err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
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554 if (err) {
555 sc->sc_state = 0;
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556 error = EIO;
557 goto done;
558 }
559
560 if (ulptusein && sc->sc_in != -1) {
561 DPRINTF(("ulpt_open: open input pipe\n"));
562 err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
563 if (err) {
564 error = EIO;
565 usbd_close_pipe(sc->sc_out_pipe);
566 sc->sc_out_pipe = NULL;
567 sc->sc_state = 0;
568 goto done;
569 }
570 sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
571 sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
572 if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
573 error = ENOMEM;
574 if (sc->sc_in_xfer1 != NULL) {
575 usbd_free_xfer(sc->sc_in_xfer1);
576 sc->sc_in_xfer1 = NULL;
577 }
578 if (sc->sc_in_xfer2 != NULL) {
579 usbd_free_xfer(sc->sc_in_xfer2);
580 sc->sc_in_xfer2 = NULL;
581 }
582 usbd_close_pipe(sc->sc_out_pipe);
583 sc->sc_out_pipe = NULL;
584 usbd_close_pipe(sc->sc_in_pipe);
585 sc->sc_in_pipe = NULL;
586 sc->sc_state = 0;
587 goto done;
588 }
589 usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
590 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
591 USBD_NO_TIMEOUT, ulpt_input);
592 usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
593 sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
594 USBD_NO_TIMEOUT, ulpt_input);
595 usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
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596 }
597
598 sc->sc_state = ULPT_OPEN;
599
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600done:
601 if (--sc->sc_refcnt < 0)
602 usb_detach_wakeup(USBDEV(sc->sc_dev));
603
604 DPRINTF(("ulptopen: done, error=%d\n", error));
605 return (error);
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606}
607
608int
609ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
610{
611 u_char new;
612
613 status = (status ^ LPS_INVERT) & LPS_MASK;
614 new = status & ~sc->sc_laststatus;
615 sc->sc_laststatus = status;
616
617 if (new & LPS_SELECT)
618 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
619 else if (new & LPS_NOPAPER)
620 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
621 else if (new & LPS_NERR)
622 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
623
624 return (status);
625}
626
627int
fef8985e 628ulptclose(struct dev_close_args *ap)
984263bc 629{
b13267a5 630 cdev_t dev = ap->a_head.a_dev;
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631 struct ulpt_softc *sc;
632
633 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
634
635 if (sc->sc_state != ULPT_OPEN)
636 /* We are being forced to close before the open completed. */
637 return (0);
638
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639 if (sc->sc_out_pipe != NULL) {
640 usbd_close_pipe(sc->sc_out_pipe);
641 sc->sc_out_pipe = NULL;
642 }
643 if (sc->sc_in_pipe != NULL) {
644 usbd_abort_pipe(sc->sc_in_pipe);
645 usbd_close_pipe(sc->sc_in_pipe);
646 sc->sc_in_pipe = NULL;
647 if (sc->sc_in_xfer1 != NULL) {
648 usbd_free_xfer(sc->sc_in_xfer1);
649 sc->sc_in_xfer1 = NULL;
650 }
651 if (sc->sc_in_xfer2 != NULL) {
652 usbd_free_xfer(sc->sc_in_xfer2);
653 sc->sc_in_xfer2 = NULL;
654 }
655 }
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656
657 sc->sc_state = 0;
658
659 DPRINTF(("ulptclose: closed\n"));
660 return (0);
661}
662
663int
664ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
665{
666 u_int32_t n;
667 int error = 0;
668 void *bufp;
669 usbd_xfer_handle xfer;
670 usbd_status err;
671
672 DPRINTF(("ulptwrite\n"));
673 xfer = usbd_alloc_xfer(sc->sc_udev);
674 if (xfer == NULL)
675 return (ENOMEM);
676 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
677 if (bufp == NULL) {
678 usbd_free_xfer(xfer);
679 return (ENOMEM);
680 }
681 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
682 ulpt_statusmsg(ulpt_status(sc), sc);
683 error = uiomove(bufp, n, uio);
684 if (error)
685 break;
686 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
1550dfd9 687 err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
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688 USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
689 if (err) {
690 DPRINTF(("ulptwrite: error=%d\n", err));
691 error = EIO;
692 break;
693 }
694 }
695 usbd_free_xfer(xfer);
696
697 return (error);
698}
699
700int
fef8985e 701ulptwrite(struct dev_write_args *ap)
984263bc 702{
b13267a5 703 cdev_t dev = ap->a_head.a_dev;
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704 struct ulpt_softc *sc;
705 int error;
706
707 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
708
709 if (sc->sc_dying)
710 return (EIO);
711
712 sc->sc_refcnt++;
fef8985e 713 error = ulpt_do_write(sc, ap->a_uio, ap->a_ioflag);
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714 if (--sc->sc_refcnt < 0)
715 usb_detach_wakeup(USBDEV(sc->sc_dev));
716 return (error);
717}
718
719int
fef8985e 720ulptioctl(struct dev_ioctl_args *ap)
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721{
722 int error = 0;
723
fef8985e 724 switch (ap->a_cmd) {
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725 default:
726 error = ENODEV;
727 }
728
729 return (error);
730}
731
732#if 0
733/* XXX This does not belong here. */
734/*
1550dfd9 735 * Print select parts of an IEEE 1284 device ID.
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736 */
737void
738ieee1284_print_id(char *str)
739{
740 char *p, *q;
741
742 for (p = str-1; p; p = strchr(p, ';')) {
743 p++; /* skip ';' */
744 if (strncmp(p, "MFG:", 4) == 0 ||
745 strncmp(p, "MANUFACTURER:", 14) == 0 ||
746 strncmp(p, "MDL:", 4) == 0 ||
747 strncmp(p, "MODEL:", 6) == 0) {
748 q = strchr(p, ';');
749 if (q)
e3869ec7 750 kprintf("%.*s", (int)(q - p + 1), p);
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751 }
752 }
753}
754#endif
755
d47ac1a2 756#if defined(__FreeBSD__) || defined(__DragonFly__)
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757DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
758#endif