ACPI: Processor native C-states using MWAIT

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / acpi / processor.h

diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 9dd5b75961f84c19ba9a731eb071f15950577d75..7798d2a9f793aaab8005c2a45d3362a35029ea5b 100644 (file)
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -29,6 +29,9 @@
 #define DOMAIN_COORD_TYPE_SW_ANY       0xfd
 #define DOMAIN_COORD_TYPE_HW_ALL       0xfe
 
+#define ACPI_CSTATE_SYSTEMIO   (0)
+#define ACPI_CSTATE_FFH                (1)
+
 /* Power Management */
 
 struct acpi_processor_cx;
@@ -58,6 +61,8 @@ struct acpi_processor_cx {
        u8 valid;
        u8 type;
        u32 address;
+       u8 space_id;
+       u8 index;
        u32 latency;
        u32 latency_ticks;
        u32 power;
@@ -206,6 +211,9 @@ void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
 #ifdef ARCH_HAS_POWER_INIT
 void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
                                        unsigned int cpu);
+int acpi_processor_ffh_cstate_probe(unsigned int cpu,
+               struct acpi_processor_cx *cx, struct acpi_power_register *reg);
+void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
 #else
 static inline void acpi_processor_power_init_bm_check(struct
                                                      acpi_processor_flags
@@ -214,6 +222,16 @@ static inline void acpi_processor_power_init_bm_check(struct
        flags->bm_check = 1;
        return;
 }
+static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
+               struct acpi_processor_cx *cx, struct acpi_power_register *reg)
+{
+       return -1;
+}
+static inline void acpi_processor_ffh_cstate_enter(
+               struct acpi_processor_cx *cstate)
+{
+       return;
+}
 #endif
 
 /* in processor_perflib.c */