diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-12-02 19:40:46 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2012-12-02 19:40:46 +0000 |
| commit | c3c02a2d6fd5229881e56981e52ad6a1ff57ff7d (patch) | |
| tree | d761e8f814c9d8bc1adcc4a034648696b8c33405 /sys/arch/sparc64 | |
| parent | 70ada46e2c34b7d2989a3fa819f3cca052cef54b (diff) | |
Implement hardware flow control and enable it by default (by setting CRTSCTS).
ok miod@, deraadt@
Diffstat (limited to 'sys/arch/sparc64')
| -rw-r--r-- | sys/arch/sparc64/dev/vcctty.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sys/arch/sparc64/dev/vcctty.c b/sys/arch/sparc64/dev/vcctty.c index b0d054872ec..33858c337c6 100644 --- a/sys/arch/sparc64/dev/vcctty.c +++ b/sys/arch/sparc64/dev/vcctty.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vcctty.c,v 1.9 2012/11/01 19:40:13 kettenis Exp $ */ +/* $OpenBSD: vcctty.c,v 1.10 2012/12/02 19:40:45 kettenis Exp $ */ /* * Copyright (c) 2009 Mark Kettenis * @@ -87,6 +87,7 @@ void vcctty_send_break(struct vcctty_softc *); void vccttystart(struct tty *); int vccttyparam(struct tty *, struct termios *); +int vccttyhwiflow(struct tty *, int); int vcctty_match(struct device *parent, void *match, void *aux) @@ -325,12 +326,13 @@ vccttyopen(dev_t dev, int flag, int mode, struct proc *p) tp->t_oproc = vccttystart; tp->t_param = vccttyparam; + tp->t_hwiflow = vccttyhwiflow; tp->t_dev = dev; if ((tp->t_state & TS_ISOPEN) == 0) { ttychars(tp); tp->t_iflag = TTYDEF_IFLAG; tp->t_oflag = TTYDEF_OFLAG; - tp->t_cflag = TTYDEF_CFLAG; + tp->t_cflag = TTYDEF_CFLAG | CRTSCTS; tp->t_lflag = TTYDEF_LFLAG; tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED; ttsetwater(tp); @@ -492,3 +494,19 @@ vccttyparam(struct tty *tp, struct termios *t) tp->t_cflag = t->c_cflag; return (0); } + +int +vccttyhwiflow(struct tty *tp, int stop) +{ + struct vcctty_softc *sc = vcctty_cd.cd_devs[minor(tp->t_dev)]; + + if (stop) { + cbus_intr_setenabled(sc->sc_tx_sysino, INTR_DISABLED); + cbus_intr_setenabled(sc->sc_rx_sysino, INTR_DISABLED); + } else { + cbus_intr_setenabled(sc->sc_tx_sysino, INTR_ENABLED); + cbus_intr_setenabled(sc->sc_rx_sysino, INTR_ENABLED); + } + + return (1); +} |