diff options
Diffstat (limited to 'src/soc/intel/skylake/acpi/gpio.asl')
| -rw-r--r-- | src/soc/intel/skylake/acpi/gpio.asl | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/acpi/gpio.asl b/src/soc/intel/skylake/acpi/gpio.asl index 42f2ee7770..d305e91850 100644 --- a/src/soc/intel/skylake/acpi/gpio.asl +++ b/src/soc/intel/skylake/acpi/gpio.asl @@ -13,6 +13,7 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. */ +#include <soc/gpio_defs.h> Device (GPIO) { @@ -67,3 +68,48 @@ Device (GPIO) Return (0xF) } } + +/* + * Get GPIO DW0 Address + * Arg0 - GPIO Number + */ +Method (GADD, 1, NotSerialized) +{ + /* GPIO Community 0 */ + If (LAnd (LGreaterEqual (Arg0, GPP_A0), LLessEqual (Arg0, GPP_B23))) + { + Store (PID_GPIOCOM0, Local0) + Subtract (Arg0, GPP_A0, Local1) + } + /* GPIO Community 1 */ + If (LAnd (LGreaterEqual (Arg0, GPP_C0), LLessEqual (Arg0, GPP_E23))) + { + Store (PID_GPIOCOM1, Local0) + Subtract (Arg0, GPP_C0, Local1) + } + /* GPIO Community 03*/ + If (LAnd (LGreaterEqual (Arg0, GPP_F0), LLessEqual (Arg0, GPP_G7))) + { + Store (PID_GPIOCOM3, Local0) + Subtract (Arg0, GPP_F0, Local1) + } + Store (PCRB (Local0), Local2) + Add (Local2, PAD_CFG_DW_OFFSET, Local2) + Return (Add (Local2, Multiply (Local1, 8))) +} + +/* + * Get GPIO Value + * Arg0 - GPIO Number + */ +Method (GRXS, 1, NotSerialized) +{ + OperationRegion (PREG, SystemMemory, GADD (Arg0), 4) + Field (PREG, AnyAcc, NoLock, Preserve) + { + VAL0, 32 + } + And (GPIORXSTATE_MASK, ShiftRight (VAL0, GPIORXSTATE_SHIFT), Local0) + + Return (Local0) +} |