diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi')
| -rw-r--r-- | src/soc/intel/skylake/acpi/gpio.asl | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/src/soc/intel/skylake/acpi/gpio.asl b/src/soc/intel/skylake/acpi/gpio.asl index 0c5a793dc3..fb220959d5 100644 --- a/src/soc/intel/skylake/acpi/gpio.asl +++ b/src/soc/intel/skylake/acpi/gpio.asl @@ -120,7 +120,7 @@ Method (GADD, 1, NotSerialized) } /* - * Get GPIO Value + * Get GPIO Rx Value * Arg0 - GPIO Number */ Method (GRXS, 1, Serialized) @@ -134,3 +134,47 @@ Method (GRXS, 1, Serialized) 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 + } + And (GPIOTXSTATE_MASK, ShiftRight (VAL0, GPIOTXSTATE_SHIFT), Local0) + + 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 + } + Or (GPIOTXSTATE_MASK, VAL0, VAL0) +} + +/* + * Clear GPIO Tx Value + * Arg0 - GPIO Number + */ +Method (CTXS, 1, Serialized) +{ + OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) + Field (PREG, AnyAcc, NoLock, Preserve) + { + VAL0, 32 + } + And (Not (GPIOTXSTATE_MASK), VAL0, VAL0) +} |