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devkbd: bits bad! revert repeat/delay, better patches welcome

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This commit is contained in:
Sigrid 2020-04-01 11:31:19 +02:00
parent d3512f60df
commit 4756cf549a
1 changed files with 4 additions and 30 deletions
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34
sys/src/9/pc/devkbd.c
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@ -40,14 +40,12 @@ enum {
Qdir, Qdir,
Qscancode, Qscancode,
Qleds, Qleds,
Qrepeat,
}; };
static Dirtab kbdtab[] = { static Dirtab kbdtab[] = {
".", {Qdir, 0, QTDIR}, 0, 0555, ".", {Qdir, 0, QTDIR}, 0, 0555,
"scancode", {Qscancode, 0}, 0, 0440, "scancode", {Qscancode, 0}, 0, 0440,
"leds", {Qleds, 0}, 0, 0220, "leds", {Qleds, 0}, 0, 0220,
"repeat", {Qrepeat, 0}, 0, 0220,
}; };
static Lock i8042lock; static Lock i8042lock;
@ -195,28 +193,6 @@ setleds(int leds)
iunlock(&i8042lock); iunlock(&i8042lock);
} }
static void
setrepeat(int repeat)
{
if(nokbd)
return;
repeat &= 0x7f;
ilock(&i8042lock);
for(;;){
if(outready() < 0)
break;
outb(Data, 0xf3); /* `set typematic rate and delay' */
if(outready() < 0)
break;
outb(Data, repeat);
if(outready() < 0)
break;
break;
}
iunlock(&i8042lock);
}
/* /*
* keyboard interrupt * keyboard interrupt
*/ */
@ -381,18 +357,16 @@ kbdwrite(Chan *c, void *a, long n, vlong)
{ {
char tmp[8+1], *p; char tmp[8+1], *p;
if(c->qid.path != Qleds)
error(Egreg);
p = tmp + n; p = tmp + n;
if(n >= sizeof(tmp)) if(n >= sizeof(tmp))
p = tmp + sizeof(tmp)-1; p = tmp + sizeof(tmp)-1;
memmove(tmp, a, p - tmp); memmove(tmp, a, p - tmp);
*p = 0; *p = 0;
if(c->qid.path == Qleds) setleds(atoi(tmp));
setleds(atoi(tmp));
else if(c->qid.path == Qrepeat)
setrepeat(atoi(tmp));
else
error(Egreg);
return n; return n;
} }