int
com_detach(struct device *self, int flags)
{
struct com_softc *sc = (struct com_softc *)self;
int maj, mn;
sc->sc_swflags |= COM_SW_DEAD;
/* Locate the major number. */
for (maj = 0; maj < nchrdev; maj++)
if (cdevsw[maj].d_open == comopen)
break;
/* Nuke the vnodes for any open instances. */
mn = self->dv_unit;
vdevgone(maj, mn, mn, VCHR);
/* XXX a symbolic constant for the cua bit would be nicer. */
mn |= 0x80;
vdevgone(maj, mn, mn, VCHR);
/* Detach and free the tty. */
if (sc->sc_tty) {
ttyfree(sc->sc_tty);
}
timeout_del(&sc->sc_dtr_tmo);
timeout_del(&sc->sc_diag_tmo);
softintr_disestablish(sc->sc_si);
return (0);
}
/* This is necessary when dynamically changing SAIP configuration. */
int
sacom_detach(struct device *self, int flags)
{
struct sacom_softc *sc = (struct sacom_softc *)self;
int maj, mn;
/* locate the major number */
maj = cdevsw_lookup_major(&sacom_cdevsw);
/* Nuke the vnodes for any open instances. */
mn = device_unit(self);
vdevgone(maj, mn, mn, VCHR);
mn |= COMDIALOUT_MASK;
vdevgone(maj, mn, mn, VCHR);
/* Free the receive buffer. */
free(sc->sc_rbuf, M_DEVBUF);
/* Detach and free the tty. */
tty_detach(sc->sc_tty);
ttyfree(sc->sc_tty);
/* Unhook the soft interrupt handler. */
softint_disestablish(sc->sc_si);
#if NRND > 0 && defined(RND_COM)
/* Unhook the entropy source. */
rnd_detach_source(&sc->rnd_source);
#endif
return 0;
}
int
comclose(dev_t dev, int flag, int mode, struct lwp *l)
{
struct com_softc *sc = device_lookup_private(&xcom_cd, COMUNIT(dev));
struct tty *tp = sc->sc_tty;
int iobase = sc->sc_iobase;
int s;
/* XXX This is for cons.c. */
if (!ISSET(tp->t_state, TS_ISOPEN))
return 0;
(*tp->t_linesw->l_close)(tp, flag);
s = spltty();
CLR(sc->sc_lcr, LCR_SBREAK);
outb(pio(iobase , com_lcr), sc->sc_lcr);
outb(pio(iobase , com_ier), 0);
if (ISSET(tp->t_cflag, HUPCL) &&
!ISSET(sc->sc_swflags, COM_SW_SOFTCAR)) {
/* XXX perhaps only clear DTR */
outb(pio(iobase , com_mcr), 0);
}
CLR(tp->t_state, TS_BUSY | TS_FLUSH);
if (--comsopen == 0)
callout_stop(&com_poll_ch);
splx(s);
ttyclose(tp);
#ifdef notyet /* XXXX */
if (unit != comconsole) {
ttyfree(tp);
sc->sc_tty = 0;
}
#endif
return 0;
}
int
ucom_detach(struct device *self, int flags)
{
struct ucom_softc *sc = (struct ucom_softc *)self;
struct tty *tp = sc->sc_tty;
int maj, mn;
int s;
DPRINTF(("ucom_detach: sc=%p flags=%d tp=%p, pipe=%d,%d\n",
sc, flags, tp, sc->sc_bulkin_no, sc->sc_bulkout_no));
sc->sc_dying = 1;
if (sc->sc_bulkin_pipe != NULL)
usbd_abort_pipe(sc->sc_bulkin_pipe);
if (sc->sc_bulkout_pipe != NULL)
usbd_abort_pipe(sc->sc_bulkout_pipe);
s = splusb();
if (--sc->sc_refcnt >= 0) {
/* Wake up anyone waiting */
if (tp != NULL) {
CLR(tp->t_state, TS_CARR_ON);
CLR(tp->t_cflag, CLOCAL | MDMBUF);
ttyflush(tp, FREAD|FWRITE);
}
/* Wait for processes to go away. */
usb_detach_wait(&sc->sc_dev);
}
splx(s);
/* 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;
DPRINTF(("ucom_detach: maj=%d mn=%d\n", maj, mn));
vdevgone(maj, mn, mn, VCHR);
vdevgone(maj, mn | UCOMCUA_MASK, mn | UCOMCUA_MASK, VCHR);
/* Detach and free the tty. */
if (tp != NULL) {
ttyfree(tp);
sc->sc_tty = NULL;
}
return (0);
}
static int
ufoma_detach(device_t self)
{
struct ufoma_softc *sc = device_get_softc(self);
int rv = 0;
usbd_free_xfer(sc->sc_msgxf);
sc->sc_ucom.sc_dying = 1;
usbd_abort_pipe(sc->sc_notify_pipe);
usbd_close_pipe(sc->sc_notify_pipe);
if(sc->sc_is_ucom)
ucom_detach(&sc->sc_ucom);
else
ttyfree(sc->sc_ucom.sc_tty);
free(sc->sc_modetable, M_USBDEV);
return rv;
}
int
comclose(dev_t dev, int flag, int mode, struct proc *p)
{
int unit = DEVUNIT(dev);
struct com_softc *sc = com_cd.cd_devs[unit];
bus_space_tag_t iot = sc->sc_iot;
bus_space_handle_t ioh = sc->sc_ioh;
struct tty *tp = sc->sc_tty;
int s;
#ifdef COM_CONSOLE
/* XXX This is for cons.c. */
if (!ISSET(tp->t_state, TS_ISOPEN))
return 0;
#endif
if(sc->sc_swflags & COM_SW_DEAD)
return 0;
(*linesw[tp->t_line].l_close)(tp, flag, p);
s = spltty();
if (ISSET(tp->t_state, TS_WOPEN)) {
/* tty device is waiting for carrier; drop dtr then re-raise */
CLR(sc->sc_mcr, MCR_DTR | MCR_RTS);
bus_space_write_1(iot, ioh, com_mcr, sc->sc_mcr);
timeout_add_sec(&sc->sc_dtr_tmo, 2);
} else {
/* no one else waiting; turn off the uart */
compwroff(sc);
}
CLR(tp->t_state, TS_BUSY | TS_FLUSH);
sc->sc_cua = 0;
splx(s);
ttyclose(tp);
#ifdef COM_CONSOLE
#ifdef notyet /* XXXX */
if (ISSET(sc->sc_hwflags, COM_HW_CONSOLE)) {
ttyfree(tp);
sc->sc_tty = 0;
}
#endif
#endif
return 0;
}
int
ucom_detach(struct device *self, int flags)
{
struct ucom_softc *sc = (struct ucom_softc *)self;
struct tty *tp = sc->sc_tty;
int maj, mn;
int s;
DPRINTF(("ucom_detach: sc=%p flags=%d tp=%p, pipe=%d,%d\n",
sc, flags, tp, sc->sc_bulkin_no, sc->sc_bulkout_no));
if (sc->sc_bulkin_pipe != NULL) {
usbd_abort_pipe(sc->sc_bulkin_pipe);
usbd_close_pipe(sc->sc_bulkin_pipe);
sc->sc_bulkin_pipe = NULL;
}
if (sc->sc_bulkout_pipe != NULL) {
usbd_abort_pipe(sc->sc_bulkout_pipe);
usbd_close_pipe(sc->sc_bulkout_pipe);
sc->sc_bulkout_pipe = NULL;
}
if (sc->sc_ixfer != NULL) {
if (sc->sc_uhidev == NULL)
usbd_free_xfer(sc->sc_ixfer);
sc->sc_ixfer = NULL;
}
if (sc->sc_oxfer != NULL) {
usbd_free_buffer(sc->sc_oxfer);
if (sc->sc_uhidev == NULL)
usbd_free_xfer(sc->sc_oxfer);
sc->sc_oxfer = NULL;
}
s = splusb();
if (--sc->sc_refcnt >= 0) {
/* Wake up anyone waiting */
if (tp != NULL) {
CLR(tp->t_state, TS_CARR_ON);
CLR(tp->t_cflag, CLOCAL | MDMBUF);
ttyflush(tp, FREAD|FWRITE);
}
usb_detach_wait(&sc->sc_dev);
}
splx(s);
/* 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;
DPRINTF(("ucom_detach: maj=%d mn=%d\n", maj, mn));
vdevgone(maj, mn, mn, VCHR);
vdevgone(maj, mn | UCOMCUA_MASK, mn | UCOMCUA_MASK, VCHR);
/* Detach and free the tty. */
if (tp != NULL) {
(*LINESW(tp, l_close))(tp, FNONBLOCK, curproc);
s = spltty();
CLR(tp->t_state, TS_BUSY | TS_FLUSH);
ttyclose(tp);
splx(s);
ttyfree(tp);
sc->sc_tty = NULL;
}
return (0);
}
