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Allow any speed from 0..76800

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ache 1995-08-02 10:17:35 +00:00
parent 50189fb8dd
commit 39b403a47a
4 changed files with 16 additions and 56 deletions
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32
sys/dev/rc/rc.c
View File

@ -148,28 +148,6 @@ int nrc_tty = NRC * CD180_NCHAN;
#define RC_WAS_SILOVFL 0x0400 /* silo buffer overflow */
#define RC_SEND_RDY 0x0800 /* ready to send */
static struct speedtab rc_speedtab[] = {
0, 0,
50, RC_BRD(50),
75, RC_BRD(75),
110, RC_BRD(110),
134, RC_BRD(134),
150, RC_BRD(150),
200, RC_BRD(200),
300, RC_BRD(300),
600, RC_BRD(600),
1200, RC_BRD(1200),
1800, RC_BRD(1800),
2400, RC_BRD(2400),
4800, RC_BRD(4800),
9600, RC_BRD(9600),
19200, RC_BRD(19200),
38400, RC_BRD(38400),
57600, RC_BRD(57600),
/* real max value is 76800 with 9.8304 MHz clock */
-1, -1
};
/* Table for translation of RCSR status bits to internal form */
static int rc_rcsrt[16] = {
0, TTY_OE, TTY_FE,
@ -944,12 +922,14 @@ static int rc_param(tp, ts)
register int nec = rc->rc_rcb->rcb_addr;
int idivs, odivs, s, val, cflag, iflag, lflag, inpflow;
odivs = ttspeedtab(ts->c_ospeed, rc_speedtab);
if ( ts->c_ospeed < 0 || ts->c_ospeed > 76800
|| ts->c_ispeed < 0 || ts->c_ispeed > 76800
)
return (EINVAL);
if (ts->c_ispeed == 0)
ts->c_ispeed = ts->c_ospeed;
idivs = ttspeedtab(ts->c_ispeed, rc_speedtab);
if (idivs < 0 || odivs < 0)
return (EINVAL);
odivs = RC_BRD(ts->c_ospeed);
idivs = RC_BRD(ts->c_ispeed);
s = spltty();

4
sys/dev/rc/rcreg.h
View File

@ -32,8 +32,8 @@
/* Oscillator frequency - 19660.08Mhz / 2 */
#define RC_OSCFREQ 9830400
#define RC_BRD(s) \
((((RC_OSCFREQ + (s) / 2) / (s)) + CD180_CTICKS/2) / CD180_CTICKS)
#define RC_BRD(s) ((s) == 0 ? 0 : \
(((RC_OSCFREQ + (s) / 2) / (s)) + CD180_CTICKS/2) / CD180_CTICKS)
#define RC_VALIDADDR(a) ( (a) == 0x220 || (a) == 0x240 || (a) == 0x250 \
|| (a) == 0x260 || (a) == 0x2A0 || (a) == 0x2B0 \

32
sys/i386/isa/rc.c
View File

@ -148,28 +148,6 @@ int nrc_tty = NRC * CD180_NCHAN;
#define RC_WAS_SILOVFL 0x0400 /* silo buffer overflow */
#define RC_SEND_RDY 0x0800 /* ready to send */
static struct speedtab rc_speedtab[] = {
0, 0,
50, RC_BRD(50),
75, RC_BRD(75),
110, RC_BRD(110),
134, RC_BRD(134),
150, RC_BRD(150),
200, RC_BRD(200),
300, RC_BRD(300),
600, RC_BRD(600),
1200, RC_BRD(1200),
1800, RC_BRD(1800),
2400, RC_BRD(2400),
4800, RC_BRD(4800),
9600, RC_BRD(9600),
19200, RC_BRD(19200),
38400, RC_BRD(38400),
57600, RC_BRD(57600),
/* real max value is 76800 with 9.8304 MHz clock */
-1, -1
};
/* Table for translation of RCSR status bits to internal form */
static int rc_rcsrt[16] = {
0, TTY_OE, TTY_FE,
@ -944,12 +922,14 @@ static int rc_param(tp, ts)
register int nec = rc->rc_rcb->rcb_addr;
int idivs, odivs, s, val, cflag, iflag, lflag, inpflow;
odivs = ttspeedtab(ts->c_ospeed, rc_speedtab);
if ( ts->c_ospeed < 0 || ts->c_ospeed > 76800
|| ts->c_ispeed < 0 || ts->c_ispeed > 76800
)
return (EINVAL);
if (ts->c_ispeed == 0)
ts->c_ispeed = ts->c_ospeed;
idivs = ttspeedtab(ts->c_ispeed, rc_speedtab);
if (idivs < 0 || odivs < 0)
return (EINVAL);
odivs = RC_BRD(ts->c_ospeed);
idivs = RC_BRD(ts->c_ispeed);
s = spltty();

4
sys/i386/isa/rcreg.h
View File

@ -32,8 +32,8 @@
/* Oscillator frequency - 19660.08Mhz / 2 */
#define RC_OSCFREQ 9830400
#define RC_BRD(s) \
((((RC_OSCFREQ + (s) / 2) / (s)) + CD180_CTICKS/2) / CD180_CTICKS)
#define RC_BRD(s) ((s) == 0 ? 0 : \
(((RC_OSCFREQ + (s) / 2) / (s)) + CD180_CTICKS/2) / CD180_CTICKS)
#define RC_VALIDADDR(a) ( (a) == 0x220 || (a) == 0x240 || (a) == 0x250 \
|| (a) == 0x260 || (a) == 0x2A0 || (a) == 0x2B0 \