static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep)
{
if (wait_for_doorbell(card, HZ/10) < 0)
return -1;
c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR);
if (wait_for_doorbell(card, HZ/10) < 0)
return -1;
*valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE);
return 0;
}
static int c4_poke(avmcard *card, unsigned long off, unsigned long value)
{
if (wait_for_doorbell(card, HZ/10) < 0)
return -1;
c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
if (wait_for_doorbell(card, HZ/10) < 0)
return -1;
c4outmeml(card->mbase+MBOX_PEEK_POKE, value);
c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR);
return 0;
}
