int
acpiec_gpehandler(struct acpi_softc *acpi_sc, int gpe, void *arg)
{
struct acpiec_softc *sc = arg;
u_int8_t mask, stat;
dnprintf(10, "ACPIEC: got gpe\n");
/* Reset GPE event */
mask = (1L << (gpe & 7));
acpi_write_pmreg(acpi_sc, ACPIREG_GPE_STS, gpe>>3, mask);
acpi_write_pmreg(acpi_sc, ACPIREG_GPE_EN, gpe>>3, mask);
do {
if (sc->sc_gotsci)
acpiec_sci_event(sc);
stat = acpiec_status(sc);
dnprintf(40, "%s: EC interrupt, stat: %b\n",
DEVNAME(sc), (int)stat,
"\20\x8IGN\x7SMI\x6SCI\05BURST\04CMD\03IGN\02IBF\01OBF");
if (stat & EC_STAT_SCI_EVT)
sc->sc_gotsci = 1;
} while (sc->sc_gotsci);
return (0);
}
int
acpiec_gpehandler(struct acpi_softc *acpi_sc, int gpe, void *arg)
{
struct acpiec_softc *sc = arg;
u_int8_t mask, stat, en;
int s;
KASSERT(sc->sc_ecbusy == 0);
dnprintf(10, "ACPIEC: got gpe\n");
do {
if (sc->sc_gotsci)
acpiec_sci_event(sc);
stat = acpiec_status(sc);
dnprintf(40, "%s: EC interrupt, stat: %b\n",
DEVNAME(sc), (int)stat,
"\20\x8IGN\x7SMI\x6SCI\05BURST\04CMD\03IGN\02IBF\01OBF");
if (stat & EC_STAT_SCI_EVT)
sc->sc_gotsci = 1;
else
sc->sc_gotsci = 0;
} while (sc->sc_gotsci);
/* Unmask the GPE which was blocked at interrupt time */
s = spltty();
mask = (1L << (gpe & 7));
en = acpi_read_pmreg(acpi_sc, ACPIREG_GPE_EN, gpe>>3);
acpi_write_pmreg(acpi_sc, ACPIREG_GPE_EN, gpe>>3, en | mask);
splx(s);
return (0);
}
void
acpiec_write_1(struct acpiec_softc *sc, u_int8_t addr, u_int8_t data)
{
if ((acpiec_status(sc) & EC_STAT_SCI_EVT) == EC_STAT_SCI_EVT)
sc->sc_gotsci = 1;
acpiec_write_cmd(sc, EC_CMD_WR);
acpiec_write_data(sc, addr);
acpiec_write_data(sc, data);
}
u_int8_t
acpiec_read_1(struct acpiec_softc *sc, u_int8_t addr)
{
u_int8_t val;
if ((acpiec_status(sc) & EC_STAT_SCI_EVT) == EC_STAT_SCI_EVT)
sc->sc_gotsci = 1;
acpiec_write_cmd(sc, EC_CMD_RD);
acpiec_write_data(sc, addr);
val = acpiec_read_data(sc);
return (val);
}
void
acpiec_wait(struct acpiec_softc *sc, u_int8_t mask, u_int8_t val)
{
u_int8_t stat;
dnprintf(40, "%s: EC wait_ns for: %b == %02x\n",
DEVNAME(sc), (int)mask,
"\20\x8IGN\x7SMI\x6SCI\05BURST\04CMD\03IGN\02IBF\01OBF", (int)val);
while (((stat = acpiec_status(sc)) & mask) != val) {
if (stat & EC_STAT_SCI_EVT)
sc->sc_gotsci = 1;
if (cold)
delay(1);
else
tsleep(sc, PWAIT, "ecwait", 1);
}
dnprintf(40, "%s: EC wait_ns, stat: %b\n", DEVNAME(sc), (int)stat,
"\20\x8IGN\x7SMI\x6SCI\05BURST\04CMD\03IGN\02IBF\01OBF");
}
void
acpiec_burst_disable(struct acpiec_softc *sc)
{
if ((acpiec_status(sc) & EC_STAT_BURST) == EC_STAT_BURST)
acpiec_write_cmd(sc, EC_CMD_BD);
}
