diff options
Diffstat (limited to 'src/soc/intel/tigerlake')
| -rw-r--r-- | src/soc/intel/tigerlake/acpi/gpio.asl | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/src/soc/intel/tigerlake/acpi/gpio.asl b/src/soc/intel/tigerlake/acpi/gpio.asl index dc76a387b7..f6cccfb801 100644 --- a/src/soc/intel/tigerlake/acpi/gpio.asl +++ b/src/soc/intel/tigerlake/acpi/gpio.asl @@ -163,7 +163,51 @@ Method (GRXS, 1, Serialized) { VAL0, 32 } - And (GPIORXSTATE_MASK, ShiftRight (VAL0, GPIORXSTATE_SHIFT), Local0) + Local0 = GPIORXSTATE_MASK & (VAL0 >> GPIORXSTATE_SHIFT) Return (Local0) } + +/* + * Get GPIO Tx Value + * Arg0 - GPIO Number + */ +Method (GTXS, 1, Serialized) +{ + OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) + Field (PREG, AnyAcc, NoLock, Preserve) + { + VAL0, 32 + } + Local0 = GPIOTXSTATE_MASK & VAL0 + + Return (Local0) +} + +/* + * Set GPIO Tx Value + * Arg0 - GPIO Number + */ +Method (STXS, 1, Serialized) +{ + OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) + Field (PREG, AnyAcc, NoLock, Preserve) + { + VAL0, 32 + } + VAL0 |= GPIOTXSTATE_MASK +} + +/* + * Clear GPIO Tx Value + * Arg0 - GPIO Number + */ +Method (CTXS, 1, Serialized) +{ + OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) + Field (PREG, AnyAcc, NoLock, Preserve) + { + VAL0, 32 + } + VAL0 &= ~GPIOTXSTATE_MASK +} |