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change irq handling slightly

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add another non-ac97 256av
This commit is contained in:
cg 2000-08-09 18:51:27 +00:00
parent 9e94654e2c
commit e80cccb295
1 changed files with 4 additions and 11 deletions
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15
sys/dev/sound/pci/neomagic.c
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@ -106,6 +106,7 @@ static void nm_wrbuf(struct sc_info *, int, u_int32_t, int);
static u_int32_t badcards[] = {
0x0007103c,
0x008f1028,
0x00dd1014,
};
#define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t))
@ -454,18 +455,11 @@ static void
nm_intr(void *p)
{
struct sc_info *sc = (struct sc_info *)p;
int status, x, active;
int status, x;
active = (sc->pch.channel->buffer.dl || sc->rch.channel->buffer.dl);
status = nm_rd(sc, NM_INT_REG, sc->irsz);
if (status == 0 && active) {
if (sc->badintr++ > 1000) {
device_printf(sc->dev, "1000 bad intrs\n");
sc->badintr = 0;
}
if (status == 0)
return;
}
sc->badintr = 0;
if (status & sc->playint) {
status &= ~sc->playint;
@ -492,8 +486,7 @@ nm_intr(void *p)
device_printf(sc->dev, "misc int 2\n");
}
if (status) {
status &= ~sc->misc2int;
nm_ackint(sc, sc->misc2int);
nm_ackint(sc, status);
device_printf(sc->dev, "unknown int\n");
}
}