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-rw-r--r--sys/dev/usb/ulpt.c752
1 files changed, 752 insertions, 0 deletions
diff --git a/sys/dev/usb/ulpt.c b/sys/dev/usb/ulpt.c
new file mode 100644
index 0000000..b2640f4
--- /dev/null
+++ b/sys/dev/usb/ulpt.c
@@ -0,0 +1,752 @@
+/* $NetBSD: ulpt.c,v 1.51 2002/08/15 09:32:50 augustss Exp $ */
+/* $FreeBSD$ */
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (lennart@augustsson.net) at
+ * Carlstedt Research & Technology.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the NetBSD
+ * Foundation, Inc. and its contributors.
+ * 4. Neither the name of The NetBSD Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+ * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Printer Class spec: http://www.usb.org/developers/data/devclass/usbprint109.PDF
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/kernel.h>
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+#include <sys/device.h>
+#include <sys/ioctl.h>
+#elif defined(__FreeBSD__)
+#include <sys/ioccom.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#endif
+#include <sys/uio.h>
+#include <sys/conf.h>
+#include <sys/vnode.h>
+#include <sys/syslog.h>
+#include <sys/sysctl.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/usb_quirks.h>
+
+#define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
+#define STEP hz/4
+
+#define LPTPRI (PZERO+8)
+#define ULPT_BSIZE 16384
+
+#ifdef USB_DEBUG
+#define DPRINTF(x) if (ulptdebug) logprintf x
+#define DPRINTFN(n,x) if (ulptdebug>(n)) logprintf x
+int ulptdebug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, ulpt, CTLFLAG_RW, 0, "USB ulpt");
+SYSCTL_INT(_hw_usb_ulpt, OID_AUTO, debug, CTLFLAG_RW,
+ &ulptdebug, 0, "ulpt debug level");
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n,x)
+#endif
+
+#define UR_GET_DEVICE_ID 0
+#define UR_GET_PORT_STATUS 1
+#define UR_SOFT_RESET 2
+
+#define LPS_NERR 0x08 /* printer no error */
+#define LPS_SELECT 0x10 /* printer selected */
+#define LPS_NOPAPER 0x20 /* printer out of paper */
+#define LPS_INVERT (LPS_SELECT|LPS_NERR)
+#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
+
+struct ulpt_softc {
+ USBBASEDEVICE sc_dev;
+ usbd_device_handle sc_udev; /* device */
+ usbd_interface_handle sc_iface; /* interface */
+ int sc_ifaceno;
+
+ int sc_out;
+ usbd_pipe_handle sc_out_pipe; /* bulk out pipe */
+
+ int sc_in;
+ usbd_pipe_handle sc_in_pipe; /* bulk in pipe */
+ usbd_xfer_handle sc_in_xfer1;
+ usbd_xfer_handle sc_in_xfer2;
+ u_char sc_junk[64]; /* somewhere to dump input */
+
+ u_char sc_state;
+#define ULPT_OPEN 0x01 /* device is open */
+#define ULPT_OBUSY 0x02 /* printer is busy doing output */
+#define ULPT_INIT 0x04 /* waiting to initialize for open */
+ u_char sc_flags;
+#define ULPT_NOPRIME 0x40 /* don't prime on open */
+ u_char sc_laststatus;
+
+ int sc_refcnt;
+ u_char sc_dying;
+
+#if defined(__FreeBSD__)
+ dev_t dev;
+ dev_t dev_noprime;
+#endif
+};
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+cdev_decl(ulpt);
+#elif defined(__FreeBSD__)
+Static d_open_t ulptopen;
+Static d_close_t ulptclose;
+Static d_write_t ulptwrite;
+Static d_ioctl_t ulptioctl;
+
+#define ULPT_CDEV_MAJOR 113
+
+Static struct cdevsw ulpt_cdevsw = {
+ /* open */ ulptopen,
+ /* close */ ulptclose,
+ /* read */ noread,
+ /* write */ ulptwrite,
+ /* ioctl */ ulptioctl,
+ /* poll */ nopoll,
+ /* mmap */ nommap,
+ /* strategy */ nostrategy,
+ /* name */ "ulpt",
+ /* maj */ ULPT_CDEV_MAJOR,
+ /* dump */ nodump,
+ /* psize */ nopsize,
+ /* flags */ 0,
+#if __FreeBSD_version < 500014
+ /* bmaj */ -1
+#endif
+};
+#endif
+
+void ulpt_disco(void *);
+
+int ulpt_do_write(struct ulpt_softc *, struct uio *uio, int);
+int ulpt_status(struct ulpt_softc *);
+void ulpt_reset(struct ulpt_softc *);
+int ulpt_statusmsg(u_char, struct ulpt_softc *);
+
+#if 0
+void ieee1284_print_id(char *);
+#endif
+
+#define ULPTUNIT(s) (minor(s) & 0x1f)
+#define ULPTFLAGS(s) (minor(s) & 0xe0)
+
+
+USB_DECLARE_DRIVER(ulpt);
+
+USB_MATCH(ulpt)
+{
+ USB_MATCH_START(ulpt, uaa);
+ usb_interface_descriptor_t *id;
+
+ DPRINTFN(10,("ulpt_match\n"));
+ if (uaa->iface == NULL)
+ return (UMATCH_NONE);
+ id = usbd_get_interface_descriptor(uaa->iface);
+ if (id != NULL &&
+ id->bInterfaceClass == UICLASS_PRINTER &&
+ id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
+ (id->bInterfaceProtocol == UIPROTO_PRINTER_UNI ||
+ id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
+ id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
+ return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
+ return (UMATCH_NONE);
+}
+
+USB_ATTACH(ulpt)
+{
+ USB_ATTACH_START(ulpt, sc, uaa);
+ usbd_device_handle dev = uaa->device;
+ usbd_interface_handle iface = uaa->iface;
+ usb_interface_descriptor_t *ifcd = usbd_get_interface_descriptor(iface);
+ usb_interface_descriptor_t *id, *iend;
+ usb_config_descriptor_t *cdesc;
+ usbd_status err;
+ char devinfo[1024];
+ usb_endpoint_descriptor_t *ed;
+ u_int8_t epcount;
+ int i, altno;
+
+ DPRINTFN(10,("ulpt_attach: sc=%p\n", sc));
+ usbd_devinfo(dev, 0, devinfo);
+ USB_ATTACH_SETUP;
+ printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
+ devinfo, ifcd->bInterfaceClass, ifcd->bInterfaceSubClass);
+
+ /* XXX
+ * Stepping through the alternate settings needs to be abstracted out.
+ */
+ cdesc = usbd_get_config_descriptor(dev);
+ if (cdesc == NULL) {
+ printf("%s: failed to get configuration descriptor\n",
+ USBDEVNAME(sc->sc_dev));
+ USB_ATTACH_ERROR_RETURN;
+ }
+ iend = (usb_interface_descriptor_t *)
+ ((char *)cdesc + UGETW(cdesc->wTotalLength));
+#ifdef DIAGNOSTIC
+ if (ifcd < (usb_interface_descriptor_t *)cdesc ||
+ ifcd >= iend)
+ panic("ulpt: iface desc out of range\n");
+#endif
+ /* Step through all the descriptors looking for bidir mode */
+ for (id = ifcd, altno = 0;
+ id < iend;
+ id = (void *)((char *)id + id->bLength)) {
+ if (id->bDescriptorType == UDESC_INTERFACE &&
+ id->bInterfaceNumber == ifcd->bInterfaceNumber) {
+ if (id->bInterfaceClass == UICLASS_PRINTER &&
+ id->bInterfaceSubClass == UISUBCLASS_PRINTER &&
+ (id->bInterfaceProtocol == UIPROTO_PRINTER_BI ||
+ id->bInterfaceProtocol == UIPROTO_PRINTER_1284))
+ goto found;
+ altno++;
+ }
+ }
+ id = ifcd; /* not found, use original */
+ found:
+ if (id != ifcd) {
+ /* Found a new bidir setting */
+ DPRINTF(("ulpt_attach: set altno = %d\n", altno));
+ err = usbd_set_interface(iface, altno);
+ if (err) {
+ printf("%s: setting alternate interface failed\n",
+ USBDEVNAME(sc->sc_dev));
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+ }
+ }
+
+ epcount = 0;
+ (void)usbd_endpoint_count(iface, &epcount);
+
+ sc->sc_in = -1;
+ sc->sc_out = -1;
+ for (i = 0; i < epcount; i++) {
+ ed = usbd_interface2endpoint_descriptor(iface, i);
+ if (ed == NULL) {
+ printf("%s: couldn't get ep %d\n",
+ USBDEVNAME(sc->sc_dev), i);
+ USB_ATTACH_ERROR_RETURN;
+ }
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->sc_in = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
+ sc->sc_out = ed->bEndpointAddress;
+ }
+ }
+ if (sc->sc_out == -1) {
+ printf("%s: could not find bulk out endpoint\n",
+ USBDEVNAME(sc->sc_dev));
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+ }
+
+ if (usbd_get_quirks(dev)->uq_flags & UQ_BROKEN_BIDIR) {
+ /* This device doesn't handle reading properly. */
+ sc->sc_in = -1;
+ }
+
+ printf("%s: using %s-directional mode\n", USBDEVNAME(sc->sc_dev),
+ sc->sc_in >= 0 ? "bi" : "uni");
+
+ DPRINTFN(10, ("ulpt_attach: bulk=%d\n", sc->sc_out));
+
+ sc->sc_iface = iface;
+ sc->sc_ifaceno = id->bInterfaceNumber;
+ sc->sc_udev = dev;
+
+#if 0
+/*
+ * This code is disabled because for some mysterious reason it causes
+ * printing not to work. But only sometimes, and mostly with
+ * UHCI and less often with OHCI. *sigh*
+ */
+ {
+ usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
+ usb_device_request_t req;
+ int len, alen;
+
+ req.bmRequestType = UT_READ_CLASS_INTERFACE;
+ req.bRequest = UR_GET_DEVICE_ID;
+ USETW(req.wValue, cd->bConfigurationValue);
+ USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
+ USETW(req.wLength, sizeof devinfo - 1);
+ err = usbd_do_request_flags(dev, &req, devinfo, USBD_SHORT_XFER_OK,
+ &alen, USBD_DEFAULT_TIMEOUT);
+ if (err) {
+ printf("%s: cannot get device id\n", USBDEVNAME(sc->sc_dev));
+ } else if (alen <= 2) {
+ printf("%s: empty device id, no printer connected?\n",
+ USBDEVNAME(sc->sc_dev));
+ } else {
+ /* devinfo now contains an IEEE-1284 device ID */
+ len = ((devinfo[0] & 0xff) << 8) | (devinfo[1] & 0xff);
+ if (len > sizeof devinfo - 3)
+ len = sizeof devinfo - 3;
+ devinfo[len] = 0;
+ printf("%s: device id <", USBDEVNAME(sc->sc_dev));
+ ieee1284_print_id(devinfo+2);
+ printf(">\n");
+ }
+ }
+#endif
+
+#if defined(__FreeBSD__)
+ sc->dev = make_dev(&ulpt_cdevsw, device_get_unit(self),
+ UID_ROOT, GID_OPERATOR, 0644, "ulpt%d", device_get_unit(self));
+ sc->dev_noprime = make_dev(&ulpt_cdevsw,
+ device_get_unit(self)|ULPT_NOPRIME,
+ UID_ROOT, GID_OPERATOR, 0644, "unlpt%d", device_get_unit(self));
+#endif
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+int
+ulpt_activate(device_ptr_t self, enum devact act)
+{
+ struct ulpt_softc *sc = (struct ulpt_softc *)self;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ sc->sc_dying = 1;
+ break;
+ }
+ return (0);
+}
+#endif
+
+USB_DETACH(ulpt)
+{
+ USB_DETACH_START(ulpt, sc);
+ int s;
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ int maj, mn;
+#elif defined(__FreeBSD__)
+ struct vnode *vp;
+#endif
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ DPRINTF(("ulpt_detach: sc=%p flags=%d\n", sc, flags));
+#elif defined(__FreeBSD__)
+ DPRINTF(("ulpt_detach: sc=%p\n", sc));
+#endif
+
+ sc->sc_dying = 1;
+ if (sc->sc_out_pipe != NULL)
+ usbd_abort_pipe(sc->sc_out_pipe);
+ if (sc->sc_in_pipe != NULL)
+ usbd_abort_pipe(sc->sc_in_pipe);
+
+ s = splusb();
+ if (--sc->sc_refcnt >= 0) {
+ /* There is noone to wake, aborting the pipe is enough */
+ /* Wait for processes to go away. */
+ usb_detach_wait(USBDEV(sc->sc_dev));
+ }
+ splx(s);
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+ /* locate the major number */
+ for (maj = 0; maj < nchrdev; maj++)
+ if (cdevsw[maj].d_open == ulptopen)
+ break;
+
+ /* Nuke the vnodes for any open instances (calls close). */
+ mn = self->dv_unit;
+ vdevgone(maj, mn, mn, VCHR);
+#elif defined(__FreeBSD__)
+ vp = SLIST_FIRST(&sc->dev->si_hlist);
+ if (vp)
+ VOP_REVOKE(vp, REVOKEALL);
+ vp = SLIST_FIRST(&sc->dev_noprime->si_hlist);
+ if (vp)
+ VOP_REVOKE(vp, REVOKEALL);
+
+ destroy_dev(sc->dev);
+ destroy_dev(sc->dev_noprime);
+#endif
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ return (0);
+}
+
+int
+ulpt_status(struct ulpt_softc *sc)
+{
+ usb_device_request_t req;
+ usbd_status err;
+ u_char status;
+
+ req.bmRequestType = UT_READ_CLASS_INTERFACE;
+ req.bRequest = UR_GET_PORT_STATUS;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, sc->sc_ifaceno);
+ USETW(req.wLength, 1);
+ err = usbd_do_request(sc->sc_udev, &req, &status);
+ DPRINTFN(1, ("ulpt_status: status=0x%02x err=%d\n", status, err));
+ if (!err)
+ return (status);
+ else
+ return (0);
+}
+
+void
+ulpt_reset(struct ulpt_softc *sc)
+{
+ usb_device_request_t req;
+
+ DPRINTFN(1, ("ulpt_reset\n"));
+ req.bRequest = UR_SOFT_RESET;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, sc->sc_ifaceno);
+ USETW(req.wLength, 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.
+ */
+ req.bmRequestType = UT_WRITE_CLASS_OTHER;
+ if (usbd_do_request(sc->sc_udev, &req, 0)) { /* 1.0 */
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ (void)usbd_do_request(sc->sc_udev, &req, 0); /* 1.1 */
+ }
+}
+
+static void
+ulpt_input(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
+{
+ struct ulpt_softc *sc = priv;
+ u_int32_t count;
+
+ /* Don't loop on errors or 0-length input. */
+ usbd_get_xfer_status(xfer, NULL, NULL, &count, NULL);
+ if (status != USBD_NORMAL_COMPLETION || count == 0)
+ return;
+
+ DPRINTFN(2,("ulpt_input: got some data\n"));
+ /* Do it again. */
+ if (xfer == sc->sc_in_xfer1)
+ usbd_transfer(sc->sc_in_xfer2);
+ else
+ usbd_transfer(sc->sc_in_xfer1);
+}
+
+int ulptusein = 1;
+
+/*
+ * Reset the printer, then wait until it's selected and not busy.
+ */
+int
+ulptopen(dev_t dev, int flag, int mode, usb_proc_ptr p)
+{
+ u_char flags = ULPTFLAGS(dev);
+ struct ulpt_softc *sc;
+ usbd_status err;
+ int spin, error;
+
+ USB_GET_SC_OPEN(ulpt, ULPTUNIT(dev), sc);
+
+ if (sc == NULL || sc->sc_iface == NULL || sc->sc_dying)
+ return (ENXIO);
+
+ if (sc->sc_state)
+ return (EBUSY);
+
+ sc->sc_state = ULPT_INIT;
+ sc->sc_flags = flags;
+ DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
+
+#if defined(USB_DEBUG) && defined(__FreeBSD__)
+ /* Ignoring these flags might not be a good idea */
+ if ((flags & ~ULPT_NOPRIME) != 0)
+ printf("ulptopen: flags ignored: %b\n", flags,
+ "\20\3POS_INIT\4POS_ACK\6PRIME_OPEN\7AUTOLF\10BYPASS");
+#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) {
+ DPRINTF(("ulpt_open: waiting a while\n"));
+ if (spin >= TIMEOUT) {
+ error = EBUSY;
+ sc->sc_state = 0;
+ 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;
+ goto done;
+ }
+
+ if (sc->sc_dying) {
+ error = ENXIO;
+ sc->sc_state = 0;
+ goto done;
+ }
+ }
+
+ err = usbd_open_pipe(sc->sc_iface, sc->sc_out, 0, &sc->sc_out_pipe);
+ if (err) {
+ sc->sc_state = 0;
+ error = EIO;
+ goto done;
+ }
+ if (ulptusein && sc->sc_in != -1) {
+ DPRINTF(("ulpt_open: open input pipe\n"));
+ err = usbd_open_pipe(sc->sc_iface, sc->sc_in,0,&sc->sc_in_pipe);
+ if (err) {
+ error = EIO;
+ usbd_close_pipe(sc->sc_out_pipe);
+ sc->sc_out_pipe = NULL;
+ sc->sc_state = 0;
+ goto done;
+ }
+ sc->sc_in_xfer1 = usbd_alloc_xfer(sc->sc_udev);
+ sc->sc_in_xfer2 = usbd_alloc_xfer(sc->sc_udev);
+ if (sc->sc_in_xfer1 == NULL || sc->sc_in_xfer2 == NULL) {
+ error = ENOMEM;
+ if (sc->sc_in_xfer1 != NULL) {
+ usbd_free_xfer(sc->sc_in_xfer1);
+ sc->sc_in_xfer1 = NULL;
+ }
+ if (sc->sc_in_xfer2 != NULL) {
+ usbd_free_xfer(sc->sc_in_xfer2);
+ sc->sc_in_xfer2 = NULL;
+ }
+ usbd_close_pipe(sc->sc_out_pipe);
+ sc->sc_out_pipe = NULL;
+ usbd_close_pipe(sc->sc_in_pipe);
+ sc->sc_in_pipe = NULL;
+ sc->sc_state = 0;
+ goto done;
+ }
+ usbd_setup_xfer(sc->sc_in_xfer1, sc->sc_in_pipe, sc,
+ sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
+ USBD_NO_TIMEOUT, ulpt_input);
+ usbd_setup_xfer(sc->sc_in_xfer2, sc->sc_in_pipe, sc,
+ sc->sc_junk, sizeof sc->sc_junk, USBD_SHORT_XFER_OK,
+ USBD_NO_TIMEOUT, ulpt_input);
+ usbd_transfer(sc->sc_in_xfer1); /* ignore failed start */
+ }
+
+ sc->sc_state = ULPT_OPEN;
+
+ done:
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(sc->sc_dev));
+
+ DPRINTF(("ulptopen: done, error=%d\n", error));
+ return (error);
+}
+
+int
+ulpt_statusmsg(u_char status, struct ulpt_softc *sc)
+{
+ u_char new;
+
+ status = (status ^ LPS_INVERT) & LPS_MASK;
+ new = status & ~sc->sc_laststatus;
+ sc->sc_laststatus = status;
+
+ if (new & LPS_SELECT)
+ log(LOG_NOTICE, "%s: offline\n", USBDEVNAME(sc->sc_dev));
+ else if (new & LPS_NOPAPER)
+ log(LOG_NOTICE, "%s: out of paper\n", USBDEVNAME(sc->sc_dev));
+ else if (new & LPS_NERR)
+ log(LOG_NOTICE, "%s: output error\n", USBDEVNAME(sc->sc_dev));
+
+ return (status);
+}
+
+int
+ulptclose(dev_t dev, int flag, int mode, usb_proc_ptr p)
+{
+ struct ulpt_softc *sc;
+
+ USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
+
+ if (sc->sc_state != ULPT_OPEN)
+ /* We are being forced to close before the open completed. */
+ return (0);
+
+ if (sc->sc_out_pipe != NULL) {
+ usbd_close_pipe(sc->sc_out_pipe);
+ sc->sc_out_pipe = NULL;
+ }
+ if (sc->sc_in_pipe != NULL) {
+ usbd_abort_pipe(sc->sc_in_pipe);
+ usbd_close_pipe(sc->sc_in_pipe);
+ sc->sc_in_pipe = NULL;
+ if (sc->sc_in_xfer1 != NULL) {
+ usbd_free_xfer(sc->sc_in_xfer1);
+ sc->sc_in_xfer1 = NULL;
+ }
+ if (sc->sc_in_xfer2 != NULL) {
+ usbd_free_xfer(sc->sc_in_xfer2);
+ sc->sc_in_xfer2 = NULL;
+ }
+ }
+
+ sc->sc_state = 0;
+
+ DPRINTF(("ulptclose: closed\n"));
+ return (0);
+}
+
+int
+ulpt_do_write(struct ulpt_softc *sc, struct uio *uio, int flags)
+{
+ u_int32_t n;
+ int error = 0;
+ void *bufp;
+ usbd_xfer_handle xfer;
+ usbd_status err;
+
+ DPRINTF(("ulptwrite\n"));
+ xfer = usbd_alloc_xfer(sc->sc_udev);
+ if (xfer == NULL)
+ return (ENOMEM);
+ bufp = usbd_alloc_buffer(xfer, ULPT_BSIZE);
+ if (bufp == NULL) {
+ usbd_free_xfer(xfer);
+ return (ENOMEM);
+ }
+ while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
+ ulpt_statusmsg(ulpt_status(sc), sc);
+ error = uiomove(bufp, n, uio);
+ if (error)
+ break;
+ DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
+ err = usbd_bulk_transfer(xfer, sc->sc_out_pipe, USBD_NO_COPY,
+ USBD_NO_TIMEOUT, bufp, &n, "ulptwr");
+ if (err) {
+ DPRINTF(("ulptwrite: error=%d\n", err));
+ error = EIO;
+ break;
+ }
+ }
+ usbd_free_xfer(xfer);
+
+ return (error);
+}
+
+int
+ulptwrite(dev_t dev, struct uio *uio, int flags)
+{
+ struct ulpt_softc *sc;
+ int error;
+
+ USB_GET_SC(ulpt, ULPTUNIT(dev), sc);
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ sc->sc_refcnt++;
+ error = ulpt_do_write(sc, uio, flags);
+ if (--sc->sc_refcnt < 0)
+ usb_detach_wakeup(USBDEV(sc->sc_dev));
+ return (error);
+}
+
+int
+ulptioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
+{
+ int error = 0;
+
+ switch (cmd) {
+ default:
+ error = ENODEV;
+ }
+
+ return (error);
+}
+
+#if 0
+/* XXX This does not belong here. */
+/*
+ * Print select parts of a IEEE 1284 device ID.
+ */
+void
+ieee1284_print_id(char *str)
+{
+ char *p, *q;
+
+ for (p = str-1; p; p = strchr(p, ';')) {
+ p++; /* skip ';' */
+ if (strncmp(p, "MFG:", 4) == 0 ||
+ strncmp(p, "MANUFACTURER:", 14) == 0 ||
+ strncmp(p, "MDL:", 4) == 0 ||
+ strncmp(p, "MODEL:", 6) == 0) {
+ q = strchr(p, ';');
+ if (q)
+ printf("%.*s", (int)(q - p + 1), p);
+ }
+ }
+}
+#endif
+
+#if defined(__FreeBSD__)
+DRIVER_MODULE(ulpt, uhub, ulpt_driver, ulpt_devclass, usbd_driver_load, 0);
+#endif
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