static int
sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
void *cookie)
{
struct sbc_softc *scp = device_get_softc(dev);
struct sbc_ihl *ihl = NULL;
int i, ret;
sbc_lock(scp);
i = 0;
while (i < IRQ_MAX) {
if (irq == scp->irq[i]) ihl = &scp->ihl[i];
i++;
}
ret = 0;
if (ihl == NULL) ret = EINVAL;
i = 0;
while ((ret == 0) && (i < INTR_MAX)) {
if (cookie == &ihl->intr[i]) {
ihl->intr[i] = NULL;
ihl->intr_arg[i] = NULL;
return 0;
} else i++;
}
sbc_unlock(scp);
return (ret > 0)? EINVAL : 0;
}
static int
sbc_setup_intr(device_t dev, device_t child, struct resource *irq, int flags,
#if __FreeBSD_version >= 700031
driver_filter_t *filter,
#endif
driver_intr_t *intr,
void *arg, void **cookiep)
{
struct sbc_softc *scp = device_get_softc(dev);
struct sbc_ihl *ihl = NULL;
int i, ret;
#if __FreeBSD_version >= 700031
if (filter != NULL) {
printf("sbc.c: we cannot use a filter here\n");
return (EINVAL);
}
#endif
sbc_lock(scp);
i = 0;
while (i < IRQ_MAX) {
if (irq == scp->irq[i]) ihl = &scp->ihl[i];
i++;
}
ret = 0;
if (ihl == NULL) ret = EINVAL;
i = 0;
while ((ret == 0) && (i < INTR_MAX)) {
if (ihl->intr[i] == NULL) {
ihl->intr[i] = intr;
ihl->intr_arg[i] = arg;
*cookiep = &ihl->intr[i];
ret = -1;
} else i++;
}
sbc_unlock(scp);
return (ret > 0)? EINVAL : 0;
}
static void
sb_unlock(struct sb_info *sb) {
sbc_unlock(device_get_softc(sb->parent_dev));
}
static void
ess_unlock(struct ess_info *sc) {
sbc_unlock(device_get_softc(sc->parent_dev));
}
