1 /* $NetBSD: ulpt.c,v 1.29 1999/11/17 23:00:50 augustss Exp $ */
2 /* $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.26.2.13 2002/11/06 20:23:50 joe Exp $ */
3 /* $DragonFly: src/sys/dev/usbmisc/ulpt/ulpt.c,v 1.2 2003/06/17 04:28:32 dillon Exp $ */
6 * Copyright (c) 1998 The NetBSD Foundation, Inc.
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Lennart Augustsson (lennart@augustsson.net) at
11 * Carlstedt Research & Technology.
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
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.
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.
43 * Printer Class spec: http://www.usb.org/developers/data/usbprn10.pdf
46 /* XXX Note in the manpage the ULPT_NOPRIME version of the printer */
48 #include <sys/param.h>
49 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #if defined(__NetBSD__) || defined(__OpenBSD__)
53 #include <sys/device.h>
54 #include <sys/ioctl.h>
55 #elif defined(__FreeBSD__)
56 #include <sys/module.h>
61 #include <sys/vnode.h>
62 #include <sys/syslog.h>
63 #include <sys/sysctl.h>
65 #include <dev/usb/usb.h>
66 #include <dev/usb/usbdi.h>
67 #include <dev/usb/usbdi_util.h>
69 #define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
72 #define LPTPRI (PZERO+8)
73 #define ULPT_BSIZE 16384
76 #define DPRINTF(x) if (ulptdebug) logprintf x
77 #define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x
79 SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
80 SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
81 &ulptdebug, 0, "ulpt debug level");
87 #define UR_GET_DEVICE_ID 0
88 #define UR_GET_PORT_STATUS 1
89 #define UR_SOFT_RESET 2
91 #define LPS_NERR 0x08 /* printer no error */
92 #define LPS_SELECT 0x10 /* printer selected */
93 #define LPS_NOPAPER 0x20 /* printer out of paper */
94 #define LPS_INVERT (LPS_SELECT|LPS_NERR)
95 #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
99 usbd_device_handle sc_udev; /* device */
100 usbd_interface_handle sc_iface; /* interface */
102 usbd_pipe_handle sc_bulkpipe; /* bulk pipe */
106 #define ULPT_OPEN 0x01 /* device is open */
107 #define ULPT_OBUSY 0x02 /* printer is busy doing output */
108 #define ULPT_INIT 0x04 /* waiting to initialize for open */
110 #define ULPT_NOPRIME 0x40 /* don't prime on open */
111 u_char sc_laststatus;
116 #if defined(__FreeBSD__)
122 #if defined(__NetBSD__) || defined(__OpenBSD__)
124 #elif defined(__FreeBSD__)
125 Static d_open_t ulptopen;
126 Static d_close_t ulptclose;
127 Static d_write_t ulptwrite;
128 Static d_ioctl_t ulptioctl;
130 #define ULPT_CDEV_MAJOR 113
132 Static struct cdevsw ulpt_cdevsw = {
134 /* close */ ulptclose,
136 /* write */ ulptwrite,
137 /* ioctl */ ulptioctl,
140 /* strategy */ nostrategy,
142 /* maj */ ULPT_CDEV_MAJOR,
150 void ulpt_disco(void *);
152 int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
153 int ulpt_status(struct ulpt_softc *);
154 void ulpt_reset(struct ulpt_softc *);
155 int ulpt_statusmsg(u_char, struct ulpt_softc *);
157 void ieee1284_print_id(char *);
159 #define ULPTUNIT(s) (minor(s) & 0x1f)
160 #define ULPTFLAGS(s) (minor(s) & 0xe0)
163 USB_DECLARE_DRIVER(ulpt);
167 USB_MATCH_START(ulpt, uaa);
168 usb_interface_descriptor_t *id;
170 DPRINTFN(10,("ulpt_match\n"));
171 if (uaa->iface == NULL)
172 return (UMATCH_NONE);
173 id = usbd_get_interface_descriptor(uaa->iface);
175 id->bInterfaceClass == UICLASS_PRINTER &&
176 id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
177 (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
178 id->bInterfaceProtocol == UIPROTO_PRINTER_BI))
179 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
180 return (UMATCH_NONE);
185 USB_ATTACH_START(ulpt, sc, uaa);
186 usbd_device_handle dev = uaa->device;
187 usbd_interface_handle iface = uaa->iface;
188 usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
190 usb_endpoint_descriptor_t *ed;
193 DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
194 usbd_devinfo(dev, 0, devinfo);
196 printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
197 devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
199 /* Figure out which endpoint is the bulk out endpoint. */
200 ed = usbd_interface2endpoint_descriptor(iface, 0);
203 if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_OUT ||
204 (ed->bmAttributes & UE_XFERTYPE) != UE_BULK) {
205 /* In case we are using a bidir protocol... */
206 ed = usbd_interface2endpoint_descriptor(iface, 1);
209 if (UE_GET_DIR(ed->bEndpointAddress) != UE_DIR_OUT ||
210 (ed->bmAttributes & UE_XFERTYPE) != UE_BULK)
213 sc->sc_bulk = ed->bEndpointAddress;
214 DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_bulk));
216 sc->sc_iface = iface;
217 err = usbd_interface2device_handle(iface, &sc->sc_udev);
220 USB_ATTACH_ERROR_RETURN;
222 sc->sc_ifaceno = id->bInterfaceNumber;
226 * This code is disabled because for some mysterious reason it causes
227 * printing not to work. But only sometimes, and mostly with
228 * UHCI and less often with OHCI. *sigh*
231 usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
232 usb_device_request_t req;
235 req.bmRequestType = UT_READ_CLASS_INTERFACE;
236 req.bRequest = UR_GET_DEVICE_ID;
237 USETW(req.wValue, cd->bConfigurationValue);
238 USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
239 USETW(req.wLength, sizeof devinfo - 1);
240 err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
243 printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
244 } else if (alen <= 2) {
245 printf("%s: empty device id, no printer connected?\n",
246 USBDEVNAME(sc->sc_dev));
248 /* devinfo now contains an IEEE-1284 device ID */
249 len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
250 if (len > sizeof devinfo - 3)
251 len = sizeof devinfo - 3;
253 printf("%s: device id <", USBDEVNAME(sc->sc_dev));
254 ieee1284_print_id(devinfo+2);
260 #if defined(__FreeBSD__)
261 sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self),
262 UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
263 sc->dev_noprime = make_dev(&ulpt_cdevsw,
264 device_get_unit(self)|ULPT_NOPRIME,
265 UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
268 USB_ATTACH_SUCCESS_RETURN;
271 printf("%s: could not find bulk endpoint\n", USBDEVNAME(sc->sc_dev));
273 USB_ATTACH_ERROR_RETURN;
276 #if defined(__NetBSD__) || defined(__OpenBSD__)
278 ulpt_activate(device_ptr_t self, enum devact act)
280 struct ulpt_softc *sc = (struct ulpt_softc *)self;
287 case DVACT_DEACTIVATE:
297 USB_DETACH_START(ulpt, sc);
299 #if defined(__NetBSD__) || defined(__OpenBSD__)
301 #elif defined(__FreeBSD__)
305 #if defined(__NetBSD__) || defined(__OpenBSD__)
306 DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags));
307 #elif defined(__FreeBSD__)
308 DPRINTF(("ulpt_detach: sc=%p\n", sc));
312 if (sc->sc_bulkpipe != NULL)
313 usbd_abort_pipe(sc->sc_bulkpipe);
316 if (--sc->sc_refcnt >= 0) {
317 /* There is noone to wake, aborting the pipe is enough */
318 /* Wait for processes to go away. */
319 usb_detach_wait(USBDEV(sc->sc_dev));
323 #if defined(__NetBSD__) || defined(__OpenBSD__)
324 /* locate the major number */
325 for (maj = 0; maj < nchrdev; maj++)
326 if (cdevsw[maj].d_open == ulptopen)
329 /* Nuke the vnodes for any open instances (calls close). */
331 vdevgone(maj, mn, mn, VCHR);
332 #elif defined(__FreeBSD__)
333 vp = SLIST_FIRST(&sc->dev->si_hlist);
335 VOP_REVOKE(vp, REVOKEALL);
336 vp = SLIST_FIRST(&sc->dev_noprime->si_hlist);
338 VOP_REVOKE(vp, REVOKEALL);
340 destroy_dev(sc->dev);
341 destroy_dev(sc->dev_noprime);
348 ulpt_status(struct ulpt_softc *sc)
350 usb_device_request_t req;
354 req.bmRequestType = UT_READ_CLASS_INTERFACE;
355 req.bRequest = UR_GET_PORT_STATUS;
356 USETW(req.wValue, 0);
357 USETW(req.wIndex, sc->sc_ifaceno);
358 USETW(req.wLength, 1);
359 err = usbd_do_request(sc->sc_udev, &req, &status);
360 DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
368 ulpt_reset(struct ulpt_softc *sc)
370 usb_device_request_t req;
372 DPRINTFN(1, ("ulpt_reset\n"));
373 req.bmRequestType = UT_WRITE_CLASS_OTHER;
374 req.bRequest = UR_SOFT_RESET;
375 USETW(req.wValue, 0);
376 USETW(req.wIndex, sc->sc_ifaceno);
377 USETW(req.wLength, 0);
378 (void)usbd_do_request(sc->sc_udev, &req, 0);
382 * Reset the printer, then wait until it's selected and not busy.
385 ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
387 u_char flags = ULPTFLAGS(dev);
388 struct ulpt_softc *sc;
392 USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
394 if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
400 sc->sc_state = ULPT_INIT;
401 sc->sc_flags = flags;
402 DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
404 #if defined(USB_DEBUG) && defined(__FreeBSD__)
405 /* Ignoring these flags might not be a good idea */
406 if ((flags & ~ULPT_NOPRIME) != 0)
407 printf("ulptopen: flags ignored: %b\n", flags,
408 "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
412 if ((flags & ULPT_NOPRIME) == 0)
415 for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
416 if (spin >= TIMEOUT) {
421 /* wait 1/4 second, give up if we get a signal */
422 error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP);
423 if (error != EWOULDBLOCK) {
434 err = usbd_open_pipe(sc->sc_iface, sc->sc_bulk, 0, &sc->sc_bulkpipe);
440 sc->sc_state = ULPT_OPEN;
442 DPRINTF(("ulptopen: done\n"));
447 ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
451 status = (status ^ LPS_INVERT) & LPS_MASK;
452 new = status & ~sc->sc_laststatus;
453 sc->sc_laststatus = status;
455 if (new & LPS_SELECT)
456 log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
457 else if (new & LPS_NOPAPER)
458 log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
459 else if (new & LPS_NERR)
460 log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
466 ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
468 struct ulpt_softc *sc;
470 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
472 if (sc->sc_state != ULPT_OPEN)
473 /* We are being forced to close before the open completed. */
476 usbd_close_pipe(sc->sc_bulkpipe);
481 DPRINTF(("ulptclose: closed\n"));
486 ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
491 usbd_xfer_handle xfer;
494 DPRINTF(("ulptwrite\n"));
495 xfer = usbd_alloc_xfer(sc->sc_udev);
498 bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
500 usbd_free_xfer(xfer);
503 while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
504 ulpt_statusmsg(ulpt_status(sc), sc);
505 error = uiomove(bufp, n, uio);
508 DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
509 err = usbd_bulk_transfer(xfer, sc->sc_bulkpipe, USBD_NO_COPY,
510 USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
512 DPRINTF(("ulptwrite: error=%d\n", err));
517 usbd_free_xfer(xfer);
523 ulptwrite(dev_t dev, struct uio *uio, int flags)
525 struct ulpt_softc *sc;
528 USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
534 error = ulpt_do_write(sc, uio, flags);
535 if (--sc->sc_refcnt < 0)
536 usb_detach_wakeup(USBDEV(sc->sc_dev));
541 ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
554 /* XXX This does not belong here. */
556 * Print select parts of a IEEE 1284 device ID.
559 ieee1284_print_id(char *str)
563 for (p = str-1; p; p = strchr(p, ';')) {
565 if (strncmp(p, "MFG:", 4) == 0 ||
566 strncmp(p, "MANUFACTURER:", 14) == 0 ||
567 strncmp(p, "MDL:", 4) == 0 ||
568 strncmp(p, "MODEL:", 6) == 0) {
571 printf("%.*s", (int)(q - p + 1), p);
577 #if defined(__FreeBSD__)
578 DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);