ACPICA: ACPI 5: Support for new FADT SleepStatus, SleepControl registers

Adds sleep and wake support for systems with these registers.
One new file, hwxfsleep.c
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

drivers/acpi/acpica/Makefile

@@ -73,7 +73,8 @@ acpi-y +=		\
 	hwregs.o	\
 	hwsleep.o	\
 	hwvalid.o	\
-	hwxface.o
+	hwxface.o	\
+	hwxfsleep.o
 
 acpi-$(ACPI_FUTURE_USAGE) += hwtimer.o
 

drivers/acpi/acpica/achware.h

@@ -80,6 +80,23 @@ acpi_status acpi_hw_register_write(u32 register_id, u32 value);
 
 acpi_status acpi_hw_clear_acpi_status(void);
 
+/*
+ * hwsleep - sleep/wake support
+ */
+void acpi_hw_execute_SST(u32 value);
+
+acpi_status acpi_hw_extended_sleep(u8 sleep_state);
+
+acpi_status acpi_hw_legacy_sleep(u8 sleep_state);
+
+acpi_status acpi_hw_extended_wake_prep(u8 sleep_state);
+
+acpi_status acpi_hw_extended_wake(u8 sleep_state);
+
+acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state);
+
+acpi_status acpi_hw_legacy_wake(u8 sleep_state);
+
 /*
  * hwvalid - Port I/O with validation
  */

include/acpi/actbl.h

@@ -309,6 +309,13 @@ enum acpi_prefered_pm_profiles {
 	PM_TABLET = 8
 };
 
+/* Values for sleep_status and sleep_control registers (V5 FADT) */
+
+#define ACPI_X_WAKE_STATUS          0x80
+#define ACPI_X_SLEEP_TYPE_MASK      0x1C
+#define ACPI_X_SLEEP_TYPE_POSITION  0x02
+#define ACPI_X_SLEEP_ENABLE         0x20
+
 /* Reset to default packing */
 
 #pragma pack()