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authorAaron Campbell <aaron@cvs.openbsd.org>2001-01-28 09:43:44 +0000
committerAaron Campbell <aaron@cvs.openbsd.org>2001-01-28 09:43:44 +0000
commit068c901929c8e128152d9695e219c78a5c15d162 (patch)
tree2d13c329b2bb4222759f39870f2dbeb46cd477a5 /sys/dev/usb/ulpt.c
parentc4aeeb204ccb14898a9115b35ae590f15a16124f (diff)
Another USB sync with NetBSD. We are still lacking an up-to-date umass(4)
driver. I would appreciate it if someone with the hardware looked into it. I also have to take a closer look at changes to the USB Ethernet drivers, as well as import some drivers we are missing (uftdi, if_upl, yap, etc.)
Diffstat (limited to 'sys/dev/usb/ulpt.c')
-rw-r--r--sys/dev/usb/ulpt.c41
1 files changed, 33 insertions, 8 deletions
diff --git a/sys/dev/usb/ulpt.c b/sys/dev/usb/ulpt.c
index d17b46e035b..ede62f3d4d9 100644
--- a/sys/dev/usb/ulpt.c
+++ b/sys/dev/usb/ulpt.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ulpt.c,v 1.5 2000/11/08 18:10:38 aaron Exp $ */
+/* $OpenBSD: ulpt.c,v 1.6 2001/01/28 09:43:42 aaron Exp $ */
/* $NetBSD: ulpt.c,v 1.38 2000/06/01 14:29:00 augustss Exp $ */
/* $FreeBSD: src/sys/dev/usb/ulpt.c,v 1.24 1999/11/17 22:33:44 n_hibma Exp $ */
@@ -40,7 +40,7 @@
*/
/*
- * Printer Class spec: http://www.usb.org/developers/data/usbprn10.pdf
+ * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF
*/
#include <sys/param.h>
@@ -369,7 +369,17 @@ ulpt_reset(struct ulpt_softc *sc)
USETW(req.wValue, 0);
USETW(req.wIndex, sc->sc_ifaceno);
USETW(req.wLength, 0);
- (void)usbd_do_request(sc->sc_udev, &req, 0);
+
+ /*
+ * There was a mistake in the USB printer 1.0 spec that gave the
+ * request type as UT_WRITE_CLASS_OTHER, it should have been
+ * UT_WRITE_CLASS_INTERFACE. Many printers use the old one,
+ * so we try both.
+ */
+ if (usbd_do_request(sc->sc_udev, &req, 0)) {
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ (void)usbd_do_request(sc->sc_udev, &req, 0);
+ }
}
/*
@@ -403,33 +413,48 @@ ulptopen(dev_t dev, int flag, int mode, struct proc *p)
#endif
+ error = 0;
+ sc->sc_refcnt++;
+
if ((flags & ULPT_NOPRIME) == 0)
ulpt_reset(sc);
for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
if (spin >= TIMEOUT) {
+ error = EBUSY;
sc->sc_state = 0;
- return (EBUSY);
+ goto done;
}
/* wait 1/4 second, give up if we get a signal */
error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP);
if (error != EWOULDBLOCK) {
sc->sc_state = 0;
- return (error);
+ goto done;
+ }
+
+ if (sc->sc_dying) {
+ error = ENXIO;
+ sc->sc_state = 0;
+ goto done;
}
}
err = usbd_open_pipe(sc->sc_iface, sc->sc_bulk, 0, &sc->sc_bulkpipe);
if (err) {
sc->sc_state = 0;
- return (EIO);
+ error = EIO;
+ goto done;
}
sc->sc_state = ULPT_OPEN;
- DPRINTF(("ulptopen: done\n"));
- return (0);
+ done:
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(sc->sc_dev));
+
+ DPRINTF(("ulptopen: done, error=%d\n", error));
+ return (error);
}
int