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-rw-r--r--src/soc/intel/skylake/acpi/gpio.asl46
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)
+}