static u_int
gpio_read(enum gpio_ctrl ctrl)
{
struct aoagpio_softc *sc;
if ((sc = gpio_ctrls[ctrl]) == NULL)
return (0);
return (macgpio_read(sc->dev) & GPIO_DATA);
}
static void
aoagpio_int(void *cookie)
{
device_t self = cookie;
struct aoagpio_softc *sc;
sc = device_get_softc(self);
if (macgpio_read(self) & GPIO_LEVEL_RO)
sc->level = sc->detect_active;
else
sc->level = !(sc->detect_active);
if (sc->i2s)
i2s_cint(sc->i2s);
}
static void
smu_doorbell_intr(void *xdev)
{
device_t smu;
struct smu_softc *sc;
int doorbell_ack;
smu = xdev;
doorbell_ack = macgpio_read(smu_doorbell);
sc = device_get_softc(smu);
if (doorbell_ack != (GPIO_DDR_OUTPUT | GPIO_LEVEL_RO | GPIO_DATA))
return;
mtx_lock(&sc->sc_mtx);
if (sc->sc_cur_cmd == NULL) /* spurious */
goto done;
/* Check result. First invalidate the cache again... */
__asm __volatile("dcbf 0,%0; sync" :: "r"(sc->sc_cmd) : "memory");
bus_dmamap_sync(sc->sc_dmatag, sc->sc_cmd_dmamap, BUS_DMASYNC_POSTREAD);
sc->sc_cur_cmd->cmd = sc->sc_cmd->cmd;
sc->sc_cur_cmd->len = sc->sc_cmd->len;
memcpy(sc->sc_cur_cmd->data, sc->sc_cmd->data,
sizeof(sc->sc_cmd->data));
wakeup(sc->sc_cur_cmd);
sc->sc_cur_cmd = NULL;
if (sc->sc_u3)
powerpc_pow_enabled = 1;
done:
/* Queue next command if one is pending */
if (STAILQ_FIRST(&sc->sc_cmdq) != NULL) {
sc->sc_cur_cmd = STAILQ_FIRST(&sc->sc_cmdq);
STAILQ_REMOVE_HEAD(&sc->sc_cmdq, cmd_q);
smu_send_cmd(smu, sc->sc_cur_cmd);
}
mtx_unlock(&sc->sc_mtx);
}
