--- /dev/null
+/* $NetBSD: ucom.c,v 1.16 2000/03/27 12:33:55 augustss Exp $ */
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augustss@carlstedt.se) 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.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/ioctl.h>
+#include <sys/conf.h>
+#include <sys/tty.h>
+#include <sys/file.h>
+#include <sys/select.h>
+#include <sys/proc.h>
+#include <sys/vnode.h>
+#include <sys/device.h>
+#include <sys/poll.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>
+
+#include <dev/usb/ucomvar.h>
+
+#include "ucom.h"
+
+#if NUCOM > 0
+
+#ifdef UCOM_DEBUG
+#define DPRINTFN(n, x) if (ucomdebug > (n)) logprintf x
+int ucomdebug = 0;
+#else
+#define DPRINTFN(n, x)
+#endif
+#define DPRINTF(x) DPRINTFN(0, x)
+
+#define UCOMUNIT_MASK 0x3ffff
+#define UCOMDIALOUT_MASK 0x80000
+#define UCOMCALLUNIT_MASK 0x40000
+
+#define UCOMUNIT(x) (minor(x) & UCOMUNIT_MASK)
+#define UCOMDIALOUT(x) (minor(x) & UCOMDIALOUT_MASK)
+#define UCOMCALLUNIT(x) (minor(x) & UCOMCALLUNIT_MASK)
+
+/*
+ * These are the maximum number of bytes transferred per frame.
+ * If some really high speed devices should use this driver they
+ * may need to be increased, but this is good enough for modems.
+ */
+#define UCOMIBUFSIZE 64
+#define UCOMOBUFSIZE 256
+
+struct ucom_softc {
+ USBBASEDEVICE sc_dev; /* base device */
+
+ usbd_device_handle sc_udev; /* USB device */
+
+ usbd_interface_handle sc_iface; /* data interface */
+
+ int sc_bulkin_no; /* bulk in endpoint address */
+ usbd_pipe_handle sc_bulkin_pipe; /* bulk in pipe */
+ usbd_xfer_handle sc_ixfer; /* read request */
+ u_char *sc_ibuf; /* read buffer */
+
+ int sc_bulkout_no; /* bulk out endpoint address */
+ usbd_pipe_handle sc_bulkout_pipe;/* bulk out pipe */
+ usbd_xfer_handle sc_oxfer; /* write request */
+ u_char *sc_obuf; /* write buffer */
+
+ struct ucom_methods *sc_methods;
+ void *sc_parent;
+ int sc_portno;
+
+ struct tty *sc_tty; /* our tty */
+ u_char sc_lsr;
+ u_char sc_msr;
+ u_char sc_mcr;
+ u_char sc_tx_stopped;
+ int sc_swflags;
+
+ u_char sc_opening; /* lock during open */
+ u_char sc_dying; /* disconnecting */
+};
+
+cdev_decl(ucom);
+
+Static void ucom_cleanup __P((struct ucom_softc *));
+Static void ucom_hwiflow __P((struct ucom_softc *));
+Static int ucomparam __P((struct tty *, struct termios *));
+Static void ucomstart __P((struct tty *));
+Static void ucom_shutdown __P((struct ucom_softc *));
+Static void ucom_dtr __P((struct ucom_softc *, int));
+Static void ucom_rts __P((struct ucom_softc *, int));
+Static void ucom_break __P((struct ucom_softc *, int));
+Static usbd_status ucomstartread __P((struct ucom_softc *));
+Static void ucomreadcb __P((usbd_xfer_handle, usbd_private_handle,
+ usbd_status status));
+Static void ucomwritecb __P((usbd_xfer_handle, usbd_private_handle,
+ usbd_status status));
+Static void tiocm_to_ucom __P((struct ucom_softc *, int, int));
+Static int ucom_to_tiocm __P((struct ucom_softc *));
+
+USB_DECLARE_DRIVER(ucom);
+
+USB_MATCH(ucom)
+{
+ return (1);
+}
+
+USB_ATTACH(ucom)
+{
+ struct ucom_softc *sc = (struct ucom_softc *)self;
+ struct ucom_attach_args *uca = aux;
+ struct tty *tp;
+
+ if (uca->portno != UCOM_UNK_PORTNO)
+ printf(": portno %d", uca->portno);
+ printf("\n");
+
+ sc->sc_udev = uca->device;
+ sc->sc_iface = uca->iface;
+ sc->sc_bulkout_no = uca->bulkout;
+ sc->sc_bulkin_no = uca->bulkin;
+ sc->sc_methods = uca->methods;
+ sc->sc_parent = uca->arg;
+ sc->sc_portno = uca->portno;
+
+ tp = ttymalloc();
+ tp->t_oproc = ucomstart;
+ tp->t_param = ucomparam;
+ sc->sc_tty = tp;
+
+ DPRINTF(("ucom_attach: tty_attach %p\n", tp));
+ tty_attach(tp);
+
+ USB_ATTACH_SUCCESS_RETURN;
+}
+
+USB_DETACH(ucom)
+{
+ struct ucom_softc *sc = (struct ucom_softc *)self;
+ int maj, mn;
+
+ DPRINTF(("ucom_detach: sc=%p flags=%d tp=%p\n",
+ sc, flags, sc->sc_tty));
+
+ sc->sc_dying = 1;
+
+#ifdef DIAGNOSTIC
+ if (sc->sc_tty == NULL) {
+ DPRINTF(("ucom_detach: no tty\n"));
+ return (0);
+ }
+#endif
+
+ /* XXX Use reference count? */
+
+ /* locate the major number */
+ for (maj = 0; maj < nchrdev; maj++)
+ if (cdevsw[maj].d_open == ucomopen)
+ break;
+
+ /* Nuke the vnodes for any open instances. */
+ mn = self->dv_unit;
+ vdevgone(maj, mn, mn, VCHR);
+ vdevgone(maj, mn, mn | UCOMDIALOUT_MASK, VCHR);
+ vdevgone(maj, mn, mn | UCOMCALLUNIT_MASK, VCHR);
+
+ /* Detach and free the tty. */
+ tty_detach(sc->sc_tty);
+ ttyfree(sc->sc_tty);
+ sc->sc_tty = 0;
+
+ return (0);
+}
+
+#if defined(__NetBSD__) || defined(__OpenBSD__)
+int
+ucom_activate(self, act)
+ device_ptr_t self;
+ enum devact act;
+{
+ struct ucom_softc *sc = (struct ucom_softc *)self;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ sc->sc_dying = 1;
+ break;
+ }
+ return (0);
+}
+#endif
+
+void
+ucom_shutdown(sc)
+ struct ucom_softc *sc;
+{
+ struct tty *tp = sc->sc_tty;
+
+ DPRINTF(("ucom_shutdown\n"));
+ /*
+ * Hang up if necessary. Wait a bit, so the other side has time to
+ * notice even if we immediately open the port again.
+ */
+ if (ISSET(tp->t_cflag, HUPCL)) {
+ ucom_dtr(sc, 0);
+ (void)tsleep(sc, TTIPRI, ttclos, hz);
+ }
+}
+
+int
+ucomopen(dev, flag, mode, p)
+ dev_t dev;
+ int flag, mode;
+ struct proc *p;
+{
+ int unit = UCOMUNIT(dev);
+ usbd_status err;
+ struct ucom_softc *sc;
+ struct tty *tp;
+ int s;
+ int error;
+
+ if (unit >= ucom_cd.cd_ndevs)
+ return (ENXIO);
+ sc = ucom_cd.cd_devs[unit];
+ if (sc == NULL)
+ return (ENXIO);
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ if (ISSET(sc->sc_dev.dv_flags, DVF_ACTIVE) == 0)
+ return (ENXIO);
+
+ tp = sc->sc_tty;
+
+ DPRINTF(("ucomopen: unit=%d, tp=%p\n", unit, tp));
+
+ if (ISSET(tp->t_state, TS_ISOPEN) &&
+ ISSET(tp->t_state, TS_XCLUDE) &&
+ p->p_ucred->cr_uid != 0)
+ return (EBUSY);
+
+ s = spltty();
+
+ /*
+ * Do the following iff this is a first open.
+ */
+ while (sc->sc_opening)
+ tsleep(&sc->sc_opening, PRIBIO, "ucomop", 0);
+ sc->sc_opening = 1;
+
+#if defined(__NetBSD__)
+ if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
+#else
+ if (!ISSET(tp->t_state, TS_ISOPEN)) {
+#endif
+ struct termios t;
+
+ tp->t_dev = dev;
+
+ ucom_status_change(sc);
+
+ /*
+ * Initialize the termios status to the defaults. Add in the
+ * sticky bits from TIOCSFLAGS.
+ */
+ t.c_ispeed = 0;
+ t.c_ospeed = TTYDEF_SPEED;
+ t.c_cflag = TTYDEF_CFLAG;
+ if (ISSET(sc->sc_swflags, TIOCFLAG_CLOCAL))
+ SET(t.c_cflag, CLOCAL);
+ if (ISSET(sc->sc_swflags, TIOCFLAG_CRTSCTS))
+ SET(t.c_cflag, CRTSCTS);
+ if (ISSET(sc->sc_swflags, TIOCFLAG_MDMBUF))
+ SET(t.c_cflag, MDMBUF);
+ /* Make sure ucomparam() will do something. */
+ tp->t_ospeed = 0;
+ (void) ucomparam(tp, &t);
+ tp->t_iflag = TTYDEF_IFLAG;
+ tp->t_oflag = TTYDEF_OFLAG;
+ tp->t_lflag = TTYDEF_LFLAG;
+ ttychars(tp);
+ ttsetwater(tp);
+
+ /*
+ * Turn on DTR. We must always do this, even if carrier is not
+ * present, because otherwise we'd have to use TIOCSDTR
+ * immediately after setting CLOCAL, which applications do not
+ * expect. We always assert DTR while the device is open
+ * unless explicitly requested to deassert it.
+ */
+ ucom_dtr(sc, 1);
+
+ // XXX CLR(sc->sc_rx_flags, RX_ANY_BLOCK);
+ ucom_hwiflow(sc);
+
+ DPRINTF(("ucomopen: open pipes in=%d out=%d\n",
+ sc->sc_bulkin_no, sc->sc_bulkout_no));
+
+ /* Open the bulk pipes */
+ err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkin_no, 0,
+ &sc->sc_bulkin_pipe);
+ if (err) {
+ DPRINTF(("%s: open bulk out error (addr %d), err=%s\n",
+ USBDEVNAME(sc->sc_dev), sc->sc_bulkin_no,
+ usbd_errstr(err)));
+ return (EIO);
+ }
+ err = usbd_open_pipe(sc->sc_iface, sc->sc_bulkout_no,
+ USBD_EXCLUSIVE_USE, &sc->sc_bulkout_pipe);
+ if (err) {
+ DPRINTF(("%s: open bulk in error (addr %d), err=%s\n",
+ USBDEVNAME(sc->sc_dev), sc->sc_bulkout_no,
+ usbd_errstr(err)));
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ return (EIO);
+ }
+
+ /* Allocate a request and an input buffer and start reading. */
+ sc->sc_ixfer = usbd_alloc_xfer(sc->sc_udev);
+ if (sc->sc_ixfer == NULL) {
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ usbd_close_pipe(sc->sc_bulkout_pipe);
+ return (ENOMEM);
+ }
+ sc->sc_ibuf = usbd_alloc_buffer(sc->sc_ixfer, UCOMIBUFSIZE);
+ if (sc->sc_ibuf == NULL) {
+ usbd_free_xfer(sc->sc_ixfer);
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ usbd_close_pipe(sc->sc_bulkout_pipe);
+ return (ENOMEM);
+ }
+
+ sc->sc_oxfer = usbd_alloc_xfer(sc->sc_udev);
+ if (sc->sc_oxfer == NULL) {
+ usbd_free_xfer(sc->sc_ixfer);
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ usbd_close_pipe(sc->sc_bulkout_pipe);
+ return (ENOMEM);
+ }
+ sc->sc_obuf = usbd_alloc_buffer(sc->sc_oxfer, UCOMOBUFSIZE);
+ if (sc->sc_obuf == NULL) {
+ usbd_free_xfer(sc->sc_oxfer);
+ usbd_free_xfer(sc->sc_ixfer);
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ usbd_close_pipe(sc->sc_bulkout_pipe);
+ return (ENOMEM);
+ }
+
+ if (sc->sc_methods->ucom_open != NULL)
+ sc->sc_methods->ucom_open(sc->sc_parent, sc->sc_portno);
+
+ ucomstartread(sc);
+ }
+ sc->sc_opening = 0;
+ wakeup(&sc->sc_opening);
+ splx(s);
+
+#if defined(__NetBSD__)
+ error = ttyopen(tp, UCOMDIALOUT(dev), ISSET(flag, O_NONBLOCK));
+#else
+ error = ttyopen(UCOMDIALOUT(dev), tp);
+#endif
+ if (error)
+ goto bad;
+
+ error = (*linesw[tp->t_line].l_open)(dev, tp);
+ if (error)
+ goto bad;
+
+ return (0);
+
+bad:
+#if defined(__NetBSD__)
+ if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
+#else
+ if (!ISSET(tp->t_state, TS_ISOPEN)) {
+#endif
+ /*
+ * We failed to open the device, and nobody else had it opened.
+ * Clean up the state as appropriate.
+ */
+ ucom_cleanup(sc);
+ }
+
+ return (error);
+}
+
+int
+ucomclose(dev, flag, mode, p)
+ dev_t dev;
+ int flag, mode;
+ struct proc *p;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(dev)];
+ struct tty *tp = sc->sc_tty;
+
+ DPRINTF(("ucomclose: unit=%d\n", UCOMUNIT(dev)));
+ if (!ISSET(tp->t_state, TS_ISOPEN))
+ return (0);
+
+ (*linesw[tp->t_line].l_close)(tp, flag);
+ ttyclose(tp);
+
+ if (sc->sc_dying)
+ return (0);
+
+#if defined(__NetBSD__)
+ if (!ISSET(tp->t_state, TS_ISOPEN) && tp->t_wopen == 0) {
+#else
+ if (!ISSET(tp->t_state, TS_ISOPEN)) {
+#endif
+ /*
+ * Although we got a last close, the device may still be in
+ * use; e.g. if this was the dialout node, and there are still
+ * processes waiting for carrier on the non-dialout node.
+ */
+ ucom_cleanup(sc);
+ }
+
+ if (sc->sc_methods->ucom_close != NULL)
+ sc->sc_methods->ucom_close(sc->sc_parent, sc->sc_portno);
+
+ return (0);
+}
+
+int
+ucomread(dev, uio, flag)
+ dev_t dev;
+ struct uio *uio;
+ int flag;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(dev)];
+ struct tty *tp = sc->sc_tty;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
+}
+
+int
+ucomwrite(dev, uio, flag)
+ dev_t dev;
+ struct uio *uio;
+ int flag;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(dev)];
+ struct tty *tp = sc->sc_tty;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
+}
+
+struct tty *
+ucomtty(dev)
+ dev_t dev;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(dev)];
+ struct tty *tp = sc->sc_tty;
+
+ return (tp);
+}
+
+int
+ucomioctl(dev, cmd, data, flag, p)
+ dev_t dev;
+ u_long cmd;
+ caddr_t data;
+ int flag;
+ struct proc *p;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(dev)];
+ struct tty *tp = sc->sc_tty;
+ int error;
+ int s;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ DPRINTF(("ucomioctl: cmd=0x%08lx\n", cmd));
+
+ error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
+ if (error >= 0)
+ return (error);
+
+ error = ttioctl(tp, cmd, data, flag, p);
+ if (error >= 0)
+ return (error);
+
+ if (sc->sc_methods->ucom_ioctl != NULL) {
+ error = sc->sc_methods->ucom_ioctl(sc->sc_parent,
+ sc->sc_portno, cmd, data, flag, p);
+ if (error >= 0)
+ return (error);
+ }
+
+ error = 0;
+
+ DPRINTF(("ucomioctl: our cmd=0x%08lx\n", cmd));
+ s = spltty();
+
+ switch (cmd) {
+ case TIOCSBRK:
+ ucom_break(sc, 1);
+ break;
+
+ case TIOCCBRK:
+ ucom_break(sc, 0);
+ break;
+
+ case TIOCSDTR:
+ ucom_dtr(sc, 1);
+ break;
+
+ case TIOCCDTR:
+ ucom_dtr(sc, 0);
+ break;
+
+ case TIOCGFLAGS:
+ *(int *)data = sc->sc_swflags;
+ break;
+
+ case TIOCSFLAGS:
+ error = suser(p->p_ucred, &p->p_acflag);
+ if (error)
+ break;
+ sc->sc_swflags = *(int *)data;
+ break;
+
+ case TIOCMSET:
+ case TIOCMBIS:
+ case TIOCMBIC:
+ tiocm_to_ucom(sc, cmd, *(int *)data);
+ break;
+
+ case TIOCMGET:
+ *(int *)data = ucom_to_tiocm(sc);
+ break;
+
+ default:
+ error = ENOTTY;
+ break;
+ }
+
+ splx(s);
+
+ return (error);
+}
+
+void
+tiocm_to_ucom(sc, how, ttybits)
+ struct ucom_softc *sc;
+ int how, ttybits;
+{
+ u_char combits;
+
+ combits = 0;
+ if (ISSET(ttybits, TIOCM_DTR))
+ SET(combits, UMCR_DTR);
+ if (ISSET(ttybits, TIOCM_RTS))
+ SET(combits, UMCR_RTS);
+
+ switch (how) {
+ case TIOCMBIC:
+ CLR(sc->sc_mcr, combits);
+ break;
+
+ case TIOCMBIS:
+ SET(sc->sc_mcr, combits);
+ break;
+
+ case TIOCMSET:
+ CLR(sc->sc_mcr, UMCR_DTR | UMCR_RTS);
+ SET(sc->sc_mcr, combits);
+ break;
+ }
+
+ ucom_dtr(sc, (sc->sc_mcr & UMCR_DTR) != 0);
+ ucom_rts(sc, (sc->sc_mcr & UMCR_RTS) != 0);
+}
+
+int
+ucom_to_tiocm(sc)
+ struct ucom_softc *sc;
+{
+ u_char combits;
+ int ttybits = 0;
+
+ combits = sc->sc_mcr;
+ if (ISSET(combits, UMCR_DTR))
+ SET(ttybits, TIOCM_DTR);
+ if (ISSET(combits, UMCR_RTS))
+ SET(ttybits, TIOCM_RTS);
+
+ combits = sc->sc_msr;
+ if (ISSET(combits, UMSR_DCD))
+ SET(ttybits, TIOCM_CD);
+ if (ISSET(combits, UMSR_CTS))
+ SET(ttybits, TIOCM_CTS);
+ if (ISSET(combits, UMSR_DSR))
+ SET(ttybits, TIOCM_DSR);
+ if (ISSET(combits, UMSR_RI | UMSR_TERI))
+ SET(ttybits, TIOCM_RI);
+
+#if 0
+XXX;
+ if (sc->sc_ier != 0)
+ SET(ttybits, TIOCM_LE);
+#endif
+
+ return (ttybits);
+}
+
+void
+ucom_break(sc, onoff)
+ struct ucom_softc *sc;
+ int onoff;
+{
+ DPRINTF(("ucom_break: onoff=%d\n", onoff));
+
+ if (sc->sc_methods->ucom_set != NULL)
+ sc->sc_methods->ucom_set(sc->sc_parent, sc->sc_portno,
+ UCOM_SET_BREAK, onoff);
+}
+
+void
+ucom_dtr(sc, onoff)
+ struct ucom_softc *sc;
+ int onoff;
+{
+ DPRINTF(("ucom_dtr: onoff=%d\n", onoff));
+
+ if (sc->sc_methods->ucom_set != NULL)
+ sc->sc_methods->ucom_set(sc->sc_parent, sc->sc_portno,
+ UCOM_SET_DTR, onoff);
+}
+
+void
+ucom_rts(sc, onoff)
+ struct ucom_softc *sc;
+ int onoff;
+{
+ DPRINTF(("ucom_rts: onoff=%d\n", onoff));
+
+ if (sc->sc_methods->ucom_set != NULL)
+ sc->sc_methods->ucom_set(sc->sc_parent, sc->sc_portno,
+ UCOM_SET_RTS, onoff);
+}
+
+void
+ucom_status_change(sc)
+ struct ucom_softc *sc;
+{
+ if (sc->sc_methods->ucom_get_status != NULL) {
+ sc->sc_methods->ucom_get_status(sc->sc_parent, sc->sc_portno,
+ &sc->sc_lsr, &sc->sc_msr);
+ } else {
+ sc->sc_lsr = 0;
+ sc->sc_msr = 0;
+ }
+}
+
+int
+ucomparam(tp, t)
+ struct tty *tp;
+ struct termios *t;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(tp->t_dev)];
+ int error;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ /* Check requested parameters. */
+ if (t->c_ispeed && t->c_ispeed != t->c_ospeed)
+ return (EINVAL);
+
+ /*
+ * For the console, always force CLOCAL and !HUPCL, so that the port
+ * is always active.
+ */
+ if (ISSET(sc->sc_swflags, TIOCFLAG_SOFTCAR)) {
+ SET(t->c_cflag, CLOCAL);
+ CLR(t->c_cflag, HUPCL);
+ }
+
+ /*
+ * If there were no changes, don't do anything. This avoids dropping
+ * input and improves performance when all we did was frob things like
+ * VMIN and VTIME.
+ */
+ if (tp->t_ospeed == t->c_ospeed &&
+ tp->t_cflag == t->c_cflag)
+ return (0);
+
+ //XXX lcr = ISSET(sc->sc_lcr, LCR_SBREAK) | cflag2lcr(t->c_cflag);
+
+ /* And copy to tty. */
+ tp->t_ispeed = 0;
+ tp->t_ospeed = t->c_ospeed;
+ tp->t_cflag = t->c_cflag;
+
+ if (sc->sc_methods->ucom_param != NULL) {
+ error = sc->sc_methods->ucom_param(sc->sc_parent, sc->sc_portno,
+ t);
+ if (error)
+ return (error);
+ }
+
+ // XXX worry about CHWFLOW
+
+ /*
+ * Update the tty layer's idea of the carrier bit, in case we changed
+ * CLOCAL or MDMBUF. We don't hang up here; we only do that by
+ * explicit request.
+ */
+ DPRINTF(("ucomparam: l_modem\n"));
+ (void) (*linesw[tp->t_line].l_modem)(tp, 1 /* XXX carrier */ );
+
+#if 0
+XXX what if the hardware is not open
+ if (!ISSET(t->c_cflag, CHWFLOW)) {
+ if (sc->sc_tx_stopped) {
+ sc->sc_tx_stopped = 0;
+ ucomstart(tp);
+ }
+ }
+#endif
+
+ return (0);
+}
+
+/*
+ * (un)block input via hw flowcontrol
+ */
+void
+ucom_hwiflow(sc)
+ struct ucom_softc *sc;
+{
+#if 0
+XXX
+ bus_space_tag_t iot = sc->sc_iot;
+ bus_space_handle_t ioh = sc->sc_ioh;
+
+ if (sc->sc_mcr_rts == 0)
+ return;
+
+ if (ISSET(sc->sc_rx_flags, RX_ANY_BLOCK)) {
+ CLR(sc->sc_mcr, sc->sc_mcr_rts);
+ CLR(sc->sc_mcr_active, sc->sc_mcr_rts);
+ } else {
+ SET(sc->sc_mcr, sc->sc_mcr_rts);
+ SET(sc->sc_mcr_active, sc->sc_mcr_rts);
+ }
+ bus_space_write_1(iot, ioh, com_mcr, sc->sc_mcr_active);
+#endif
+}
+
+void
+ucomstart(tp)
+ struct tty *tp;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(tp->t_dev)];
+ usbd_status err;
+ int s;
+ u_char *data;
+ int cnt;
+
+ if (sc->sc_dying)
+ return;
+
+ s = spltty();
+ if (ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) {
+ DPRINTFN(4,("ucomstart: stopped\n"));
+ goto out;
+ }
+ if (sc->sc_tx_stopped)
+ goto out;
+
+ if (tp->t_outq.c_cc <= tp->t_lowat) {
+ if (ISSET(tp->t_state, TS_ASLEEP)) {
+ CLR(tp->t_state, TS_ASLEEP);
+ wakeup(&tp->t_outq);
+ }
+ selwakeup(&tp->t_wsel);
+ if (tp->t_outq.c_cc == 0)
+ goto out;
+ }
+
+ /* Grab the first contiguous region of buffer space. */
+ data = tp->t_outq.c_cf;
+ cnt = ndqb(&tp->t_outq, 0);
+
+ if (cnt == 0) {
+ DPRINTF(("ucomstart: cnt==0\n"));
+ goto out;
+ }
+
+ SET(tp->t_state, TS_BUSY);
+
+ if (cnt > UCOMOBUFSIZE) {
+ DPRINTF(("ucomstart: big buffer %d chars\n", cnt));
+ cnt = UCOMOBUFSIZE;
+ }
+ memcpy(sc->sc_obuf, data, cnt);
+
+ DPRINTFN(4,("ucomstart: %d chars\n", cnt));
+ usbd_setup_xfer(sc->sc_oxfer, sc->sc_bulkout_pipe,
+ (usbd_private_handle)sc, sc->sc_obuf, cnt,
+ USBD_NO_COPY, USBD_NO_TIMEOUT, ucomwritecb);
+ /* What can we do on error? */
+ err = usbd_transfer(sc->sc_oxfer);
+#ifdef DIAGNOSTIC
+ if (err != USBD_IN_PROGRESS)
+ printf("ucomstart: err=%s\n", usbd_errstr(err));
+#endif
+
+out:
+ splx(s);
+}
+
+#if defined(__NetBSD__)
+void
+#else
+int
+#endif
+ucomstop(tp, flag)
+ struct tty *tp;
+ int flag;
+{
+ struct ucom_softc *sc = ucom_cd.cd_devs[UCOMUNIT(tp->t_dev)];
+ int s;
+
+ DPRINTF(("ucomstop: %d\n", flag));
+ s = spltty();
+ if (ISSET(tp->t_state, TS_BUSY)) {
+ DPRINTF(("ucomstop: XXX\n"));
+ sc->sc_tx_stopped = 1;
+ if (!ISSET(tp->t_state, TS_TTSTOP))
+ SET(tp->t_state, TS_FLUSH);
+ }
+ splx(s);
+
+#if !defined(__NetBSD__)
+ return 0;
+#endif
+}
+
+void
+ucomwritecb(xfer, p, status)
+ usbd_xfer_handle xfer;
+ usbd_private_handle p;
+ usbd_status status;
+{
+ struct ucom_softc *sc = (struct ucom_softc *)p;
+ struct tty *tp = sc->sc_tty;
+ u_int32_t cc;
+ int s;
+
+ DPRINTFN(5,("ucomwritecb: status=%d\n", status));
+
+ if (status == USBD_CANCELLED)
+ return;
+
+ if (status) {
+ DPRINTF(("ucomwritecb: status=%d\n", status));
+ usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe);
+ /* XXX we should restart after some delay. */
+ return;
+ }
+
+ usbd_get_xfer_status(xfer, NULL, NULL, &cc, NULL);
+ DPRINTFN(5,("ucomwritecb: cc=%d\n", cc));
+
+ s = spltty();
+ CLR(tp->t_state, TS_BUSY);
+ if (ISSET(tp->t_state, TS_FLUSH))
+ CLR(tp->t_state, TS_FLUSH);
+ else
+ ndflush(&tp->t_outq, cc);
+ (*linesw[tp->t_line].l_start)(tp);
+ splx(s);
+}
+
+usbd_status
+ucomstartread(sc)
+ struct ucom_softc *sc;
+{
+ usbd_status err;
+
+ DPRINTFN(5,("ucomstartread: start\n"));
+ usbd_setup_xfer(sc->sc_ixfer, sc->sc_bulkin_pipe,
+ (usbd_private_handle)sc,
+ sc->sc_ibuf, UCOMIBUFSIZE,
+ USBD_SHORT_XFER_OK | USBD_NO_COPY,
+ USBD_NO_TIMEOUT, ucomreadcb);
+ err = usbd_transfer(sc->sc_ixfer);
+ if (err != USBD_IN_PROGRESS) {
+ DPRINTF(("ucomstartread: err=%s\n", usbd_errstr(err)));
+ return (err);
+ }
+ return (USBD_NORMAL_COMPLETION);
+}
+
+void
+ucomreadcb(xfer, p, status)
+ usbd_xfer_handle xfer;
+ usbd_private_handle p;
+ usbd_status status;
+{
+ struct ucom_softc *sc = (struct ucom_softc *)p;
+ struct tty *tp = sc->sc_tty;
+ int (*rint) __P((int c, struct tty *tp)) = linesw[tp->t_line].l_rint;
+ usbd_status err;
+ u_int32_t cc;
+ u_char *cp;
+ int s;
+
+ if (status == USBD_CANCELLED)
+ return;
+
+ if (status) {
+ DPRINTF(("ucomreadcb: status=%d\n", status));
+ usbd_clear_endpoint_stall_async(sc->sc_bulkin_pipe);
+ /* XXX we should restart after some delay. */
+ return;
+ }
+
+ usbd_get_xfer_status(xfer, NULL, (void **)&cp, &cc, NULL);
+ DPRINTFN(5,("ucomreadcb: got %d chars, tp=%p\n", cc, tp));
+ s = spltty();
+ /* Give characters to tty layer. */
+ while (cc-- > 0) {
+ DPRINTFN(7,("ucomreadcb: char=0x%02x\n", *cp));
+ if ((*rint)(*cp++, tp) == -1) {
+ /* XXX what should we do? */
+ break;
+ }
+ }
+ splx(s);
+
+ err = ucomstartread(sc);
+ if (err) {
+ printf("%s: read start failed\n", USBDEVNAME(sc->sc_dev));
+ /* XXX what should we dow now? */
+ }
+}
+
+void
+ucom_cleanup(sc)
+ struct ucom_softc *sc;
+{
+ DPRINTF(("ucom_cleanup: closing pipes\n"));
+
+ ucom_shutdown(sc);
+ usbd_abort_pipe(sc->sc_bulkin_pipe);
+ usbd_close_pipe(sc->sc_bulkin_pipe);
+ usbd_abort_pipe(sc->sc_bulkout_pipe);
+ usbd_close_pipe(sc->sc_bulkout_pipe);
+ usbd_free_xfer(sc->sc_ixfer);
+ usbd_free_xfer(sc->sc_oxfer);
+}
+
+#endif /* NUCOM > 0 */
+
+int
+ucomprint(aux, pnp)
+ void *aux;
+ const char *pnp;
+{
+
+ if (pnp)
+ printf("ucom at %s\n", pnp);
+ return (UNCONF);
+}
+
+int
+#if defined(__OpenBSD__)
+ucomsubmatch(parent, match, aux)
+ struct device *parent;
+ void *match;
+ void *aux;
+{
+ struct cfdata *cf = match;
+#else
+ucomsubmatch(parent, cf, aux)
+ struct device *parent;
+ struct cfdata *cf;
+ void *aux;
+{
+#endif
+ struct ucom_attach_args *uca = aux;
+
+ if (uca->portno != UCOM_UNK_PORTNO &&
+ cf->ucomcf_portno != UCOM_UNK_PORTNO &&
+ cf->ucomcf_portno != uca->portno)
+ return (0);
+ return ((*cf->cf_attach->ca_match)(parent, cf, aux));
+}
--- /dev/null
+/* $NetBSD: ucomvar.h,v 1.2 2000/02/08 09:18:02 augustss Exp $ */
+
+/*
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augustss@carlstedt.se) 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.
+ */
+
+
+/* Macros to clear/set/test flags. */
+#define SET(t, f) (t) |= (f)
+#define CLR(t, f) (t) &= ~(f)
+#define ISSET(t, f) ((t) & (f))
+
+#if !defined(__OpenBSD__)
+#include "locators.h"
+#endif
+
+#define ucomcf_portno cf_loc[UCOMBUSCF_PORTNO]
+#define UCOM_UNK_PORTNO UCOMBUSCF_PORTNO_DEFAULT
+
+struct ucom_softc;
+
+struct ucom_methods {
+ void (*ucom_get_status)__P((void *sc, int portno,
+ u_char *lsr, u_char *msr));
+ void (*ucom_set)__P((void *sc, int portno, int reg, int onoff));
+#define UCOM_SET_DTR 1
+#define UCOM_SET_RTS 2
+#define UCOM_SET_BREAK 3
+ int (*ucom_param)__P((void *sc, int portno, struct termios *));
+ int (*ucom_ioctl)__P((void *sc, int portno, u_long cmd,
+ caddr_t data, int flag, struct proc *p));
+ void (*ucom_open)__P((void *sc, int portno));
+ void (*ucom_close)__P((void *sc, int portno));
+};
+
+/* modem control register */
+#define UMCR_RTS 0x02 /* Request To Send */
+#define UMCR_DTR 0x01 /* Data Terminal Ready */
+
+/* line status register */
+#define ULSR_RCV_FIFO 0x80
+#define ULSR_TSRE 0x40 /* Transmitter empty: byte sent */
+#define ULSR_TXRDY 0x20 /* Transmitter buffer empty */
+#define ULSR_BI 0x10 /* Break detected */
+#define ULSR_FE 0x08 /* Framing error: bad stop bit */
+#define ULSR_PE 0x04 /* Parity error */
+#define ULSR_OE 0x02 /* Overrun, lost incoming byte */
+#define ULSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
+#define ULSR_RCV_MASK 0x1f /* Mask for incoming data or error */
+
+/* modem status register */
+/* All deltas are from the last read of the MSR. */
+#define UMSR_DCD 0x80 /* Current Data Carrier Detect */
+#define UMSR_RI 0x40 /* Current Ring Indicator */
+#define UMSR_DSR 0x20 /* Current Data Set Ready */
+#define UMSR_CTS 0x10 /* Current Clear to Send */
+#define UMSR_DDCD 0x08 /* DCD has changed state */
+#define UMSR_TERI 0x04 /* RI has toggled low to high */
+#define UMSR_DDSR 0x02 /* DSR has changed state */
+#define UMSR_DCTS 0x01 /* CTS has changed state */
+
+struct ucom_attach_args {
+ int portno;
+ int bulkin;
+ int bulkout;
+ usbd_device_handle device;
+ usbd_interface_handle iface;
+ struct ucom_methods *methods;
+ void *arg;
+};
+
+int ucomprint __P((void *aux, const char *pnp));
+#if defined(__OpenBSD__)
+int ucomsubmatch __P((struct device *parent, void *cf, void *aux));
+#else
+int ucomsubmatch __P((struct device *parent, struct cfdata *cf, void *aux));
+#endif
+void ucom_status_change __P((struct ucom_softc *sc));
--- /dev/null
+/* $NetBSD: umodem.c,v 1.25 2000/03/27 12:33:57 augustss Exp $ */
+
+/*
+ * Copyright (c) 1998 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (augustss@carlstedt.se) 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.
+ */
+
+/*
+ * Comm Class spec: http://www.usb.org/developers/data/usbcdc11.pdf
+ */
+
+/*
+ * TODO:
+ * - Add error recovery in various places; the big problem is what
+ * to do in a callback if there is an error.
+ * - Implement a Call Device for modems without multiplexed commands.
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/ioctl.h>
+#include <sys/conf.h>
+#include <sys/tty.h>
+#include <sys/file.h>
+#include <sys/select.h>
+#include <sys/proc.h>
+#include <sys/vnode.h>
+#include <sys/device.h>
+#include <sys/poll.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbcdc.h>
+
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/usb_quirks.h>
+
+#include <dev/usb/usbdevs.h>
+#include <dev/usb/ucomvar.h>
+
+#ifdef UMODEM_DEBUG
+#define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x
+int umodemdebug = 0;
+#else
+#define DPRINTFN(n, x)
+#endif
+#define DPRINTF(x) DPRINTFN(0, x)
+
+struct umodem_softc {
+ USBBASEDEVICE sc_dev; /* base device */
+
+ usbd_device_handle sc_udev; /* USB device */
+
+ int sc_ctl_iface_no;
+ usbd_interface_handle sc_ctl_iface; /* control interface */
+ int sc_data_iface_no;
+ usbd_interface_handle sc_data_iface; /* data interface */
+
+ int sc_cm_cap; /* CM capabilities */
+ int sc_acm_cap; /* ACM capabilities */
+
+ int sc_cm_over_data;
+
+ usb_cdc_line_state_t sc_line_state; /* current line state */
+ u_char sc_dtr; /* current DTR state */
+ u_char sc_rts; /* current RTS state */
+
+ device_ptr_t sc_subdev; /* ucom device */
+
+ u_char sc_opening; /* lock during open */
+ u_char sc_dying; /* disconnecting */
+};
+
+Static void *umodem_get_desc
+ __P((usbd_device_handle dev, int type, int subtype));
+Static usbd_status umodem_set_comm_feature
+ __P((struct umodem_softc *sc, int feature, int state));
+Static usbd_status umodem_set_line_coding
+ __P((struct umodem_softc *sc, usb_cdc_line_state_t *state));
+
+Static void umodem_get_caps __P((usbd_device_handle, int *, int *));
+
+Static void umodem_get_status
+ __P((void *, int portno, u_char *lsr, u_char *msr));
+Static void umodem_set __P((void *, int, int, int));
+Static void umodem_dtr __P((struct umodem_softc *, int));
+Static void umodem_rts __P((struct umodem_softc *, int));
+Static void umodem_break __P((struct umodem_softc *, int));
+Static void umodem_set_line_state __P((struct umodem_softc *));
+Static int umodem_param __P((void *, int, struct termios *));
+Static int umodem_ioctl __P((void *, int, u_long, caddr_t, int,
+ struct proc *));
+
+Static struct ucom_methods umodem_methods = {
+ umodem_get_status,
+ umodem_set,
+ umodem_param,
+ umodem_ioctl,
+ NULL,
+ NULL,
+};
+
+USB_DECLARE_DRIVER(umodem);
+
+USB_MATCH(umodem)
+{
+ USB_MATCH_START(umodem, uaa);
+ usb_interface_descriptor_t *id;
+ int cm, acm;
+
+ if (uaa->iface == NULL)
+ return (UMATCH_NONE);
+
+ id = usbd_get_interface_descriptor(uaa->iface);
+ if (id == NULL ||
+ id->bInterfaceClass != UICLASS_CDC ||
+ id->bInterfaceSubClass != UISUBCLASS_ABSTRACT_CONTROL_MODEL ||
+ id->bInterfaceProtocol != UIPROTO_CDC_AT)
+ return (UMATCH_NONE);
+
+ umodem_get_caps(uaa->device, &cm, &acm);
+ if (!(cm & USB_CDC_CM_DOES_CM) ||
+ !(cm & USB_CDC_CM_OVER_DATA) ||
+ !(acm & USB_CDC_ACM_HAS_LINE))
+ return (UMATCH_NONE);
+
+ return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
+}
+
+USB_ATTACH(umodem)
+{
+ USB_ATTACH_START(umodem, sc, uaa);
+ usbd_device_handle dev = uaa->device;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ usb_cdc_cm_descriptor_t *cmd;
+ char devinfo[1024];
+ usbd_status err;
+ int data_ifcno;
+ int i;
+ struct ucom_attach_args uca;
+
+ usbd_devinfo(uaa->device, 0, devinfo);
+ USB_ATTACH_SETUP;
+
+ sc->sc_udev = dev;
+ sc->sc_ctl_iface = uaa->iface;
+
+ id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
+ printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
+ devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
+ sc->sc_ctl_iface_no = id->bInterfaceNumber;
+
+ umodem_get_caps(dev, &sc->sc_cm_cap, &sc->sc_acm_cap);
+
+ /* Get the data interface no. */
+ cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
+ if (cmd == NULL) {
+ printf("%s: no CM descriptor\n", USBDEVNAME(sc->sc_dev));
+ goto bad;
+ }
+ sc->sc_data_iface_no = data_ifcno = cmd->bDataInterface;
+
+ printf("%s: data interface %d, has %sCM over data, has %sbreak\n",
+ USBDEVNAME(sc->sc_dev), data_ifcno,
+ sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
+ sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
+
+
+ /* Get the data interface too. */
+ for (i = 0; i < uaa->nifaces; i++) {
+ if (uaa->ifaces[i] != NULL) {
+ id = usbd_get_interface_descriptor(uaa->ifaces[i]);
+ if (id != NULL && id->bInterfaceNumber == data_ifcno) {
+ sc->sc_data_iface = uaa->ifaces[i];
+ uaa->ifaces[i] = NULL;
+ }
+ }
+ }
+ if (sc->sc_data_iface == NULL) {
+ printf("%s: no data interface\n", USBDEVNAME(sc->sc_dev));
+ goto bad;
+ }
+
+ /*
+ * Find the bulk endpoints.
+ * Iterate over all endpoints in the data interface and take note.
+ */
+ uca.bulkin = uca.bulkout = -1;
+
+ id = usbd_get_interface_descriptor(sc->sc_data_iface);
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i);
+ if (ed == NULL) {
+ printf("%s: no endpoint descriptor for %d\n",
+ USBDEVNAME(sc->sc_dev), i);
+ goto bad;
+ }
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
+ uca.bulkin = ed->bEndpointAddress;
+ } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
+ uca.bulkout = ed->bEndpointAddress;
+ }
+ }
+
+ if (uca.bulkin == -1) {
+ printf("%s: Could not find data bulk in\n",
+ USBDEVNAME(sc->sc_dev));
+ goto bad;
+ }
+ if (uca.bulkout == -1) {
+ printf("%s: Could not find data bulk out\n",
+ USBDEVNAME(sc->sc_dev));
+ goto bad;
+ }
+
+ if (sc->sc_cm_cap & USB_CDC_CM_OVER_DATA) {
+ err = umodem_set_comm_feature(sc, UCDC_ABSTRACT_STATE,
+ UCDC_DATA_MULTIPLEXED);
+ if (err) {
+ printf("%s: could not set data multiplex mode\n",
+ USBDEVNAME(sc->sc_dev));
+ goto bad;
+ }
+ sc->sc_cm_over_data = 1;
+ }
+
+ sc->sc_dtr = -1;
+
+ uca.portno = UCOM_UNK_PORTNO;
+ /* bulkin, bulkout set above */
+ uca.device = sc->sc_udev;
+ uca.iface = sc->sc_data_iface;
+ uca.methods = &umodem_methods;
+ uca.arg = sc;
+
+ DPRINTF(("umodem_attach: sc=%p\n", sc));
+ sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ USB_ATTACH_SUCCESS_RETURN;
+
+ bad:
+ sc->sc_dying = 1;
+ USB_ATTACH_ERROR_RETURN;
+}
+
+void
+umodem_get_caps(dev, cm, acm)
+ usbd_device_handle dev;
+ int *cm, *acm;
+{
+ usb_cdc_cm_descriptor_t *cmd;
+ usb_cdc_acm_descriptor_t *cad;
+
+ *cm = *acm = 0;
+
+ cmd = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
+ if (cmd == NULL) {
+ DPRINTF(("umodem_get_desc: no CM desc\n"));
+ return;
+ }
+ *cm = cmd->bmCapabilities;
+
+ cad = umodem_get_desc(dev, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
+ if (cad == NULL) {
+ DPRINTF(("umodem_get_desc: no ACM desc\n"));
+ return;
+ }
+ *acm = cad->bmCapabilities;
+}
+
+void
+umodem_get_status(addr, portno, lsr, msr)
+ void *addr;
+ int portno;
+ u_char *lsr, *msr;
+{
+ DPRINTF(("umodem_get_status:\n"));
+
+ if (lsr != NULL)
+ *lsr = 0; /* XXX */
+ if (msr != NULL)
+ *msr = 0; /* XXX */
+}
+
+int
+umodem_param(addr, portno, t)
+ void *addr;
+ int portno;
+ struct termios *t;
+{
+ struct umodem_softc *sc = addr;
+ usbd_status err;
+ usb_cdc_line_state_t ls;
+
+ DPRINTF(("umodem_param: sc=%p\n", sc));
+
+ USETDW(ls.dwDTERate, t->c_ospeed);
+ if (ISSET(t->c_cflag, CSTOPB))
+ ls.bCharFormat = UCDC_STOP_BIT_2;
+ else
+ ls.bCharFormat = UCDC_STOP_BIT_1;
+ if (ISSET(t->c_cflag, PARENB)) {
+ if (ISSET(t->c_cflag, PARODD))
+ ls.bParityType = UCDC_PARITY_ODD;
+ else
+ ls.bParityType = UCDC_PARITY_EVEN;
+ } else
+ ls.bParityType = UCDC_PARITY_NONE;
+ switch (ISSET(t->c_cflag, CSIZE)) {
+ case CS5:
+ ls.bDataBits = 5;
+ break;
+ case CS6:
+ ls.bDataBits = 6;
+ break;
+ case CS7:
+ ls.bDataBits = 7;
+ break;
+ case CS8:
+ ls.bDataBits = 8;
+ break;
+ }
+
+ err = umodem_set_line_coding(sc, &ls);
+ if (err) {
+ DPRINTF(("umodem_param: err=%s\n", usbd_errstr(err)));
+ return (1);
+ }
+ return (0);
+}
+
+int
+umodem_ioctl(addr, portno, cmd, data, flag, p)
+ void *addr;
+ int portno;
+ u_long cmd;
+ caddr_t data;
+ int flag;
+ struct proc *p;
+{
+ struct umodem_softc *sc = addr;
+ int error = 0;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ DPRINTF(("umodemioctl: cmd=0x%08lx\n", cmd));
+
+ switch (cmd) {
+ case USB_GET_CM_OVER_DATA:
+ *(int *)data = sc->sc_cm_over_data;
+ break;
+
+ case USB_SET_CM_OVER_DATA:
+ if (*(int *)data != sc->sc_cm_over_data) {
+ /* XXX change it */
+ }
+ break;
+
+ default:
+ DPRINTF(("umodemioctl: unknown\n"));
+ error = ENOTTY;
+ break;
+ }
+
+ return (error);
+}
+
+void
+umodem_dtr(sc, onoff)
+ struct umodem_softc *sc;
+ int onoff;
+{
+ DPRINTF(("umodem_modem: onoff=%d\n", onoff));
+
+ if (sc->sc_dtr == onoff)
+ return;
+ sc->sc_dtr = onoff;
+
+ umodem_set_line_state(sc);
+}
+
+void
+umodem_rts(sc, onoff)
+ struct umodem_softc *sc;
+ int onoff;
+{
+ DPRINTF(("umodem_modem: onoff=%d\n", onoff));
+
+ if (sc->sc_rts == onoff)
+ return;
+ sc->sc_rts = onoff;
+
+ umodem_set_line_state(sc);
+}
+
+void
+umodem_set_line_state(sc)
+ struct umodem_softc *sc;
+{
+ usb_device_request_t req;
+ int ls;
+
+ ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
+ (sc->sc_rts ? UCDC_LINE_RTS : 0);
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
+ USETW(req.wValue, ls);
+ USETW(req.wIndex, sc->sc_ctl_iface_no);
+ USETW(req.wLength, 0);
+
+ (void)usbd_do_request(sc->sc_udev, &req, 0);
+
+}
+
+void
+umodem_break(sc, onoff)
+ struct umodem_softc *sc;
+ int onoff;
+{
+ usb_device_request_t req;
+
+ DPRINTF(("umodem_break: onoff=%d\n", onoff));
+
+ if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK))
+ return;
+
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ req.bRequest = UCDC_SEND_BREAK;
+ USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
+ USETW(req.wIndex, sc->sc_ctl_iface_no);
+ USETW(req.wLength, 0);
+
+ (void)usbd_do_request(sc->sc_udev, &req, 0);
+}
+
+void
+umodem_set(addr, portno, reg, onoff)
+ void *addr;
+ int portno;
+ int onoff;
+{
+ struct umodem_softc *sc = addr;
+
+ switch (reg) {
+ case UCOM_SET_DTR:
+ umodem_dtr(sc, onoff);
+ break;
+ case UCOM_SET_RTS:
+ umodem_rts(sc, onoff);
+ break;
+ case UCOM_SET_BREAK:
+ umodem_break(sc, onoff);
+ break;
+ default:
+ break;
+ }
+}
+
+usbd_status
+umodem_set_line_coding(sc, state)
+ struct umodem_softc *sc;
+ usb_cdc_line_state_t *state;
+{
+ usb_device_request_t req;
+ usbd_status err;
+
+ DPRINTF(("umodem_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
+ UGETDW(state->dwDTERate), state->bCharFormat,
+ state->bParityType, state->bDataBits));
+
+ if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
+ DPRINTF(("umodem_set_line_coding: already set\n"));
+ return (USBD_NORMAL_COMPLETION);
+ }
+
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ req.bRequest = UCDC_SET_LINE_CODING;
+ USETW(req.wValue, 0);
+ USETW(req.wIndex, sc->sc_ctl_iface_no);
+ USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
+
+ err = usbd_do_request(sc->sc_udev, &req, state);
+ if (err) {
+ DPRINTF(("umodem_set_line_coding: failed, err=%s\n",
+ usbd_errstr(err)));
+ return (err);
+ }
+
+ sc->sc_line_state = *state;
+
+ return (USBD_NORMAL_COMPLETION);
+}
+
+void *
+umodem_get_desc(dev, type, subtype)
+ usbd_device_handle dev;
+ int type;
+ int subtype;
+{
+ usb_descriptor_t *desc;
+ usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
+ uByte *p = (uByte *)cd;
+ uByte *end = p + UGETW(cd->wTotalLength);
+
+ while (p < end) {
+ desc = (usb_descriptor_t *)p;
+ if (desc->bDescriptorType == type &&
+ desc->bDescriptorSubtype == subtype)
+ return (desc);
+ p += desc->bLength;
+ }
+
+ return (0);
+}
+
+usbd_status
+umodem_set_comm_feature(sc, feature, state)
+ struct umodem_softc *sc;
+ int feature;
+ int state;
+{
+ usb_device_request_t req;
+ usbd_status err;
+ usb_cdc_abstract_state_t ast;
+
+ DPRINTF(("umodem_set_comm_feature: feature=%d state=%d\n", feature,
+ state));
+
+ req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
+ req.bRequest = UCDC_SET_COMM_FEATURE;
+ USETW(req.wValue, feature);
+ USETW(req.wIndex, sc->sc_ctl_iface_no);
+ USETW(req.wLength, UCDC_ABSTRACT_STATE_LENGTH);
+ USETW(ast.wState, state);
+
+ err = usbd_do_request(sc->sc_udev, &req, &ast);
+ if (err) {
+ DPRINTF(("umodem_set_comm_feature: feature=%d, err=%s\n",
+ feature, usbd_errstr(err)));
+ return (err);
+ }
+
+ return (USBD_NORMAL_COMPLETION);
+}
+
+int
+umodem_activate(self, act)
+ device_ptr_t self;
+ enum devact act;
+{
+ struct umodem_softc *sc = (struct umodem_softc *)self;
+ int rv = 0;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+ break;
+
+ case DVACT_DEACTIVATE:
+ sc->sc_dying = 1;
+ if (sc->sc_subdev)
+ rv = config_deactivate(sc->sc_subdev);
+ break;
+ }
+ return (rv);
+}
+
+USB_DETACH(umodem)
+{
+ USB_DETACH_START(umodem, sc);
+ int rv = 0;
+
+ DPRINTF(("umodem_detach: sc=%p flags=%d\n", sc, flags));
+
+ sc->sc_dying = 1;
+
+ if (sc->sc_subdev != NULL)
+ rv = config_detach(sc->sc_subdev, flags);
+
+ usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
+ USBDEV(sc->sc_dev));
+
+ return (rv);
+}
projects / openbsd / commitdiff