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Changed the speed calculations of the Amiga-builtin-serial driver to 

allow any baudrate the hardware allows, and to forbid two baudrates
(50 and 75) which the hardware does NOT support but which the old
speed conversion table pretended to support.
This commit is contained in:
is 1996-04-23 16:38:32 +00:00
parent edda199ab0
commit 5b809af42a
1 changed files with 11 additions and 30 deletions
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41
sys/arch/amiga/dev/ser.c
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@ -1,4 +1,4 @@
/* $NetBSD: ser.c,v 1.31 1996/04/21 21:12:28 veego Exp $ */
/* $NetBSD: ser.c,v 1.32 1996/04/23 16:38:32 is Exp $ */
/*
* Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
@ -35,7 +35,7 @@
* @(#)ser.c 7.12 (Berkeley) 6/27/91
*/
/*
* XXX This file needs major cleanup it will never ervice more than one
* XXX This file needs major cleanup it will never service more than one
* XXX unit.
*/
@ -125,30 +125,6 @@ struct vbl_node ser_vbl_node[NSER];
struct tty ser_cons;
struct tty *ser_tty[NSER];
struct speedtab serspeedtab[] = {
{ 0, 0 },
{ 50, SERBRD(50) },
{ 75, SERBRD(75) },
{ 110, SERBRD(110) },
{ 134, SERBRD(134) },
{ 150, SERBRD(150) },
{ 200, SERBRD(200) },
{ 300, SERBRD(300) },
{ 600, SERBRD(600) },
{ 1200, SERBRD(1200) },
{ 1800, SERBRD(1800) },
{ 2400, SERBRD(2400) },
{ 4800, SERBRD(4800) },
{ 9600, SERBRD(9600) },
{ 19200, SERBRD(19200) },
{ 38400, SERBRD(38400) },
{ 57600, SERBRD(57600) },
{ 76800, SERBRD(76800) },
{ 115200, SERBRD(115200) },
{ -1, -1 }
};
/*
* Since this UART is not particularly bright (to put it nicely), we'll
* have to do parity stuff on our own. This table contains the 8th bit
@ -722,9 +698,14 @@ serparam(tp, t)
cflag = t->c_cflag;
unit = SERUNIT(tp->t_dev);
ospeed = ttspeedtab(t->c_ospeed, serspeedtab);
if (ospeed < 0 || (t->c_ispeed && t->c_ispeed != t->c_ospeed))
if (t->c_ospeed > 0) {
if (t->c_ospeed < 110)
return(EINVAL);
ospeed = SERBRD(t->c_ospeed);
}
if (t->c_ispeed && t->c_ispeed != t->c_ospeed)
return(EINVAL);
/*
@ -740,7 +721,7 @@ serparam(tp, t)
custom.intena = INTF_SETCLR | INTF_RBF | INTF_TBE;
last_ciab_pra = ciab.pra;
if (ospeed == 0)
if (t->c_ospeed == 0)
(void)sermctl(tp->t_dev, 0, DMSET); /* hang up line */
else {
/*
@ -1045,7 +1026,7 @@ serinit(unit, rate)
/*
* might want to fiddle with the CIA later ???
*/
custom.serper = ttspeedtab(rate, serspeedtab);
custom.serper = (rate>=110 ? SERBRD(rate) : 0);
splx(s);
}