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Add speed entries for 7200 and multiples.

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Add as-yet-unused speed entries for a 1x SCC clock, up to 200 Kbits.

Remove old top-bit-means-delay code, since nothing seems to need it,
and it apparently partially broke lk-201 initialization anyway.
This commit is contained in:
jonathan 1995-09-29 21:55:19 +00:00
parent ae1b64d888
commit 8945da0c58
1 changed files with 33 additions and 18 deletions
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51
sys/arch/pmax/tc/scc.c
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@ -1,4 +1,4 @@
/* $NetBSD: scc.c,v 1.4 1995/09/25 22:10:56 jonathan Exp $ */
/* $NetBSD: scc.c,v 1.5 1995/09/29 21:55:19 jonathan Exp $ */
/*
* Copyright (c) 1991,1990,1989,1994,1995 Carnegie Mellon University
@ -214,12 +214,42 @@ struct speedtab sccspeedtab[] = {
{ 1800, 126, },
{ 2400, 94, },
{ 4800, 46, },
{ 7200, 30, }, /* 7.2 (an d14.4, 28.8, 57.6) non-POSSIX */
{ 9600, 22, },
{ 14400, 14, }, /* non-POSIX */
{ 19200, 10, },
{ 38400, 4, },
{ 28800, 6, }, /* non-POSIX */
{ 38400, 4, }, /* all higher speeds are non-POSIX */
{ 57600, 2, },
{ 76800, 1, },
{ 115200, 0 },
{ -1, -1, },
};
#if 0
/* speed selections with clock x1 */
{
{ 0, 0 },
{ 300, 24574 },
{ 300, 12286 },
{ 600, 6142 },
{ 1200, 3070 },
{ 2400, 1534 },
{ 4800, 766 },
{ 7200, 510 },
{ 9600, 382 },
{ 14400, 254 },
{ 19200, 190 },
{ 28800, 126 },
{ 38400, 94 },
{ 57600, 62, },
{ 76800, 46, },
{ 115200, 30 },
{ 204800, 16 },
{ 230400, 14 },
}
#endif
#ifndef PORTSELECTOR
#define ISPEED TTYDEF_SPEED
#define LFLAG TTYDEF_LFLAG
@ -434,6 +464,7 @@ sccattach(parent, self, aux)
{
s = spltty();
#ifdef pmax
printf("wiring unit %d as console\n", SCCUNIT(cn_tab->cn_dev));
ctty.t_dev = cn_tab->cn_dev;
#else
ctty.t_dev = makedev(SCCDEV,
@ -1079,23 +1110,7 @@ sccstart(tp)
goto out;
}
#ifndef SCC_PARITY_MEANS_DELAY
/* normal case */
cc = ndqb(&tp->t_outq, 0);
#else /* SCC_PARITY_MEANS_DELAY */
/* XXX 4.4bsd/pmax quirk: even parity means delay ? */
if (tp->t_flags & (RAW|LITOUT))
cc = ndqb(&tp->t_outq, 0);
else {
cc = ndqb(&tp->t_outq, 0200);
if (cc == 0) {
cc = getc(&tp->t_outq);
timeout(ttrstrt, (void *)tp, (cc & 0x7f) + 6);
tp->t_state |= TS_TIMEOUT;
goto out;
}
}
#endif /* SCC_PARITY_MEANS_DELAY */
tp->t_state |= TS_BUSY;
dp->p_end = dp->p_mem = tp->t_outq.c_cf;