#define ACPI_PDC_REVISION_ID 0x1
-#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
#define ACPI_PSD_REV0_ENTRIES 5
+#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
+#define ACPI_TSD_REV0_ENTRIES 5
/*
* Types of coordination defined in ACPI 3.0. Same macros can be used across
* P, C and T states
#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;
u8 valid;
u8 type;
u32 address;
+ u8 space_id;
+ u8 index;
u32 latency;
u32 latency_ticks;
u32 power;
u32 bm_activity;
int count;
struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
+ int timer_broadcast_on_state;
};
/* Performance Management */
/* Throttling Control */
+struct acpi_tsd_package {
+ acpi_integer num_entries;
+ acpi_integer revision;
+ acpi_integer domain;
+ acpi_integer coord_type;
+ acpi_integer num_processors;
+} __attribute__ ((packed));
+
+struct acpi_ptc_register {
+ u8 descriptor;
+ u16 length;
+ u8 space_id;
+ u8 bit_width;
+ u8 bit_offset;
+ u8 reserved;
+ u64 address;
+} __attribute__ ((packed));
+
+struct acpi_processor_tx_tss {
+ acpi_integer freqpercentage; /* */
+ acpi_integer power; /* milliWatts */
+ acpi_integer transition_latency; /* microseconds */
+ acpi_integer control; /* control value */
+ acpi_integer status; /* success indicator */
+};
struct acpi_processor_tx {
u16 power;
u16 performance;
};
+struct acpi_processor;
struct acpi_processor_throttling {
- int state;
+ unsigned int state;
+ unsigned int platform_limit;
+ struct acpi_pct_register control_register;
+ struct acpi_pct_register status_register;
+ unsigned int state_count;
+ struct acpi_processor_tx_tss *states_tss;
+ struct acpi_tsd_package domain_info;
+ cpumask_t shared_cpu_map;
+ int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
+ int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
+ int state);
+
u32 address;
u8 duty_offset;
u8 duty_width;
- int state_count;
struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
};
u32 id;
u32 pblk;
int performance_platform_limit;
+ int throttling_platform_limit;
+ /* 0 - states 0..n-th state available */
+
struct acpi_processor_flags flags;
struct acpi_processor_power power;
struct acpi_processor_performance *performance;
} piix4;
};
-extern int acpi_processor_preregister_performance(
- struct acpi_processor_performance **performance);
+extern int acpi_processor_preregister_performance(struct
+ acpi_processor_performance
+ **performance);
extern int acpi_processor_register_performance(struct acpi_processor_performance
*performance, unsigned int cpu);
#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
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 */
/* in processor_throttling.c */
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
+extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
extern struct file_operations acpi_processor_throttling_fops;
/* in processor_idle.c */