static int
ucomwrite(dev_t dev, struct uio *uio, int flag)
{
struct ucom_softc *sc;
struct tty *tp;
int error;
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
tp = sc->sc_tty;
DPRINTF(("ucomwrite: tp = %p, flag = 0x%x\n", tp, flag));
if (sc->sc_dying)
return (EIO);
error = (*linesw[tp->t_line].l_write)(tp, uio, flag);
DPRINTF(("ucomwrite: error = %d\n", error));
return (error);
}
int
uscannerpoll(dev_t dev, int events, struct lwp *l)
{
struct uscanner_softc *sc;
int revents = 0;
USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
if (sc->sc_dying)
return (POLLHUP);
/*
* We have no easy way of determining if a read will
* yield any data or a write will happen.
* Pretend they will.
*/
revents |= events &
(POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM);
return (revents);
}
int
uscannerclose(dev_t dev, int flag, int mode,
struct lwp *l)
{
struct uscanner_softc *sc;
USB_GET_SC(uscanner, USCANNERUNIT(dev), sc);
DPRINTFN(5, ("uscannerclose: flag=%d, mode=%d, unit=%"PRId32"\n",
flag, mode, USCANNERUNIT(dev)));
#ifdef DIAGNOSTIC
if (!(sc->sc_state & USCANNER_OPEN)) {
printf("uscannerclose: not open\n");
return (EINVAL);
}
#endif
uscanner_do_close(sc);
return (0);
}
Static void
ucomstart(struct tty *tp)
{
struct ucom_softc *sc;
struct cblock *cbp;
usbd_status err;
int s;
u_char *data;
int cnt;
USB_GET_SC(ucom, UCOMUNIT(tp->t_dev), sc);
DPRINTF(("ucomstart: sc = %p\n", sc));
if (sc->sc_dying)
return;
s = spltty();
if (tp->t_state & TS_TBLOCK) {
if (ISSET(sc->sc_mcr, UMCR_RTS) &&
ISSET(sc->sc_state, UCS_RTS_IFLOW)) {
DPRINTF(("ucomstart: clear RTS\n"));
(void)ucomctl(sc, UMCR_RTS, DMBIC);
}
} else {
if (!ISSET(sc->sc_mcr, UMCR_RTS) &&
tp->t_rawq.c_cc <= tp->t_ilowat &&
ISSET(sc->sc_state, UCS_RTS_IFLOW)) {
DPRINTF(("ucomstart: set RTS\n"));
(void)ucomctl(sc, UMCR_RTS, DMBIS);
}
}
if (ISSET(tp->t_state, TS_BUSY | TS_TIMEOUT | TS_TTSTOP)) {
ttwwakeup(tp);
DPRINTF(("ucomstart: stopped\n"));
goto out;
}
if (tp->t_outq.c_cc <= tp->t_olowat) {
if (ISSET(tp->t_state, TS_SO_OLOWAT)) {
CLR(tp->t_state, TS_SO_OLOWAT);
wakeup(TSA_OLOWAT(tp));
}
selwakeup(&tp->t_wsel);
if (tp->t_outq.c_cc == 0) {
if (ISSET(tp->t_state, TS_BUSY | TS_SO_OCOMPLETE) ==
TS_SO_OCOMPLETE && tp->t_outq.c_cc == 0) {
CLR(tp->t_state, TS_SO_OCOMPLETE);
wakeup(TSA_OCOMPLETE(tp));
}
goto out;
}
}
/* Grab the first contiguous region of buffer space. */
data = tp->t_outq.c_cf;
cbp = (struct cblock *) ((intptr_t) tp->t_outq.c_cf & ~CROUND);
cnt = min((char *) (cbp+1) - tp->t_outq.c_cf, tp->t_outq.c_cc);
if (cnt == 0) {
DPRINTF(("ucomstart: cnt == 0\n"));
goto out;
}
SET(tp->t_state, TS_BUSY);
if (cnt > sc->sc_obufsize) {
DPRINTF(("ucomstart: big buffer %d chars\n", cnt));
cnt = sc->sc_obufsize;
}
if (sc->sc_callback->ucom_write != NULL)
sc->sc_callback->ucom_write(sc->sc_parent, sc->sc_portno,
sc->sc_obuf, data, &cnt);
else
memcpy(sc->sc_obuf, data, cnt);
DPRINTF(("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);
if (err != USBD_IN_PROGRESS)
printf("ucomstart: err=%s\n", usbd_errstr(err));
ttwwakeup(tp);
out:
splx(s);
}
Static int
ucomparam(struct tty *tp, struct termios *t)
{
struct ucom_softc *sc;
int error;
usbd_status uerr;
USB_GET_SC(ucom, UCOMUNIT(tp->t_dev), sc);
if (sc->sc_dying)
return (EIO);
DPRINTF(("ucomparam: sc = %p\n", sc));
/* Check requested parameters. */
if (t->c_ospeed < 0) {
DPRINTF(("ucomparam: negative ospeed\n"));
return (EINVAL);
}
if (t->c_ispeed && t->c_ispeed != t->c_ospeed) {
DPRINTF(("ucomparam: mismatch ispeed and ospeed\n"));
return (EINVAL);
}
/*
* 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);
/* And copy to tty. */
tp->t_ispeed = 0;
tp->t_ospeed = t->c_ospeed;
tp->t_cflag = t->c_cflag;
if (sc->sc_callback->ucom_param == NULL)
return (0);
ucomstopread(sc);
error = sc->sc_callback->ucom_param(sc->sc_parent, sc->sc_portno, t);
if (error) {
DPRINTF(("ucomparam: callback: error = %d\n", error));
return (error);
}
ttsetwater(tp);
if (t->c_cflag & CRTS_IFLOW) {
sc->sc_state |= UCS_RTS_IFLOW;
} else if (sc->sc_state & UCS_RTS_IFLOW) {
sc->sc_state &= ~UCS_RTS_IFLOW;
(void)ucomctl(sc, UMCR_RTS, DMBIS);
}
disc_optim(tp, t, sc);
uerr = ucomstartread(sc);
if (uerr != USBD_NORMAL_COMPLETION)
return (EIO);
return (0);
}
static int
ucomioctl(dev_t dev, u_long cmd, caddr_t data, int flag, usb_proc_ptr p)
{
struct ucom_softc *sc;
struct tty *tp;
int error;
int s;
int d;
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
u_long oldcmd;
struct termios term;
#endif
USB_GET_SC(ucom, UCOMUNIT(dev), sc);
tp = sc->sc_tty;
if (sc->sc_dying)
return (EIO);
DPRINTF(("ucomioctl: cmd = 0x%08lx\n", cmd));
#if defined(COMPAT_43) || defined(COMPAT_SUNOS)
term = tp->t_termios;
oldcmd = cmd;
error = ttsetcompat(tp, &cmd, data, &term);
if (error != 0)
return (error);
if (cmd != oldcmd)
data = (caddr_t)&term;
#endif
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
if (error != ENOIOCTL) {
DPRINTF(("ucomioctl: l_ioctl: error = %d\n", error));
return (error);
}
s = spltty();
error = ttioctl(tp, cmd, data, flag);
disc_optim(tp, &tp->t_termios, sc);
if (error != ENOIOCTL) {
splx(s);
DPRINTF(("ucomioctl: ttioctl: error = %d\n", error));
return (error);
}
if (sc->sc_callback->ucom_ioctl != NULL) {
error = sc->sc_callback->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));
switch (cmd) {
case TIOCSBRK:
DPRINTF(("ucomioctl: TIOCSBRK\n"));
ucom_break(sc, 1);
break;
case TIOCCBRK:
DPRINTF(("ucomioctl: TIOCCBRK\n"));
ucom_break(sc, 0);
break;
case TIOCSDTR:
DPRINTF(("ucomioctl: TIOCSDTR\n"));
(void)ucomctl(sc, TIOCM_DTR, DMBIS);
break;
case TIOCCDTR:
DPRINTF(("ucomioctl: TIOCCDTR\n"));
(void)ucomctl(sc, TIOCM_DTR, DMBIC);
break;
case TIOCMSET:
d = *(int *)data;
DPRINTF(("ucomioctl: TIOCMSET, 0x%x\n", d));
(void)ucomctl(sc, d, DMSET);
break;
case TIOCMBIS:
d = *(int *)data;
DPRINTF(("ucomioctl: TIOCMBIS, 0x%x\n", d));
(void)ucomctl(sc, d, DMBIS);
break;
case TIOCMBIC:
d = *(int *)data;
DPRINTF(("ucomioctl: TIOCMBIC, 0x%x\n", d));
(void)ucomctl(sc, d, DMBIC);
break;
case TIOCMGET:
d = ucomctl(sc, 0, DMGET);
DPRINTF(("ucomioctl: TIOCMGET, 0x%x\n", d));
*(int *)data = d;
break;
default:
DPRINTF(("ucomioctl: error: our cmd = 0x%08lx\n", cmd));
error = ENOTTY;
break;
}
splx(s);
return (error);
}
