#include <linux/kernel.h>
#include <linux/cpu.h>
-
+#include <linux/cpuidle.h>
+#include <linux/thermal.h>
#include <asm/acpi.h>
#define ACPI_PROCESSOR_BUSY_METRIC 10
#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)
+#define ACPI_CSTATE_SYSTEMIO 0
+#define ACPI_CSTATE_FFH 1
+#define ACPI_CSTATE_HALT 2
+
+#define ACPI_CX_DESC_LEN 32
/* Power Management */
u8 valid;
u8 type;
u32 address;
- u8 space_id;
+ u8 entry_method;
u8 index;
u32 latency;
u32 latency_ticks;
u64 time;
struct acpi_processor_cx_policy promotion;
struct acpi_processor_cx_policy demotion;
+ char desc[ACPI_CX_DESC_LEN];
};
struct acpi_processor_power {
+ struct cpuidle_device dev;
struct acpi_processor_cx *state;
unsigned long bm_check_timestamp;
u32 default_state;
- u32 bm_activity;
int count;
struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
+ int timer_broadcast_on_state;
};
/* Performance Management */
struct acpi_psd_package {
- acpi_integer num_entries;
- acpi_integer revision;
- acpi_integer domain;
- acpi_integer coord_type;
- acpi_integer num_processors;
+ u64 num_entries;
+ u64 revision;
+ u64 domain;
+ u64 coord_type;
+ u64 num_processors;
} __attribute__ ((packed));
struct acpi_pct_register {
} __attribute__ ((packed));
struct acpi_processor_px {
- acpi_integer core_frequency; /* megahertz */
- acpi_integer power; /* milliWatts */
- acpi_integer transition_latency; /* microseconds */
- acpi_integer bus_master_latency; /* microseconds */
- acpi_integer control; /* control value */
- acpi_integer status; /* success indicator */
+ u64 core_frequency; /* megahertz */
+ u64 power; /* milliWatts */
+ u64 transition_latency; /* microseconds */
+ u64 bus_master_latency; /* microseconds */
+ u64 control; /* control value */
+ u64 status; /* success indicator */
};
struct acpi_processor_performance {
unsigned int state_count;
struct acpi_processor_px *states;
struct acpi_psd_package domain_info;
- cpumask_t shared_cpu_map;
+ cpumask_var_t shared_cpu_map;
unsigned int shared_type;
};
/* Throttling Control */
+struct acpi_tsd_package {
+ u64 num_entries;
+ u64 revision;
+ u64 domain;
+ u64 coord_type;
+ u64 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 {
+ u64 freqpercentage; /* */
+ u64 power; /* milliWatts */
+ u64 transition_latency; /* microseconds */
+ u64 control; /* control value */
+ u64 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_var_t shared_cpu_map;
+ int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
+ int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
+ int state, bool force);
+
u32 address;
u8 duty_offset;
u8 duty_width;
- int state_count;
+ u8 tsd_valid_flag;
+ unsigned int shared_type;
struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
};
/* Limit Interface */
struct acpi_processor_lx {
- int px; /* performace state */
+ int px; /* performance state */
int tx; /* throttle level */
};
u8 bm_check:1;
u8 has_cst:1;
u8 power_setup_done:1;
+ u8 bm_rld_set:1;
};
struct acpi_processor {
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;
struct acpi_processor_throttling throttling;
struct acpi_processor_limit limit;
-
- /* the _PDC objects for this processor, if any */
- struct acpi_object_list *pdc;
+ struct thermal_cooling_device *cdev;
};
struct acpi_processor_errata {
} piix4;
};
-extern int acpi_processor_preregister_performance(
- struct acpi_processor_performance **performance);
+extern int acpi_processor_preregister_performance(struct
+ acpi_processor_performance
+ __percpu *performance);
extern int acpi_processor_register_performance(struct acpi_processor_performance
*performance, unsigned int cpu);
int acpi_processor_notify_smm(struct module *calling_module);
/* for communication between multiple parts of the processor kernel module */
-extern struct acpi_processor *processors[NR_CPUS];
+DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;
-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);
+ 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
return;
}
static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
- struct acpi_processor_cx *cx, struct acpi_power_register *reg)
+ 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)
+static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
+ *cstate)
{
return;
}
#ifdef CONFIG_CPU_FREQ
void acpi_processor_ppc_init(void);
void acpi_processor_ppc_exit(void);
-int acpi_processor_ppc_has_changed(struct acpi_processor *pr);
+int acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag);
+extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit);
#else
static inline void acpi_processor_ppc_init(void)
{
{
return;
}
-static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
+static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr,
+ int event_flag)
{
static unsigned int printout = 1;
if (printout) {
}
return 0;
}
+static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
+{
+ return -ENODEV;
+}
+
#endif /* CONFIG_CPU_FREQ */
+/* in processor_pdc.c */
+void acpi_processor_set_pdc(acpi_handle handle);
+
/* in processor_throttling.c */
+int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
-int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
-extern struct file_operations acpi_processor_throttling_fops;
-
+extern int acpi_processor_set_throttling(struct acpi_processor *pr,
+ int state, bool force);
+extern const struct file_operations acpi_processor_throttling_fops;
+extern void acpi_processor_throttling_init(void);
/* in processor_idle.c */
int acpi_processor_power_init(struct acpi_processor *pr,
struct acpi_device *device);
int acpi_processor_cst_has_changed(struct acpi_processor *pr);
int acpi_processor_power_exit(struct acpi_processor *pr,
struct acpi_device *device);
+int acpi_processor_suspend(struct acpi_device * device, pm_message_t state);
+int acpi_processor_resume(struct acpi_device * device);
+extern struct cpuidle_driver acpi_idle_driver;
/* in processor_thermal.c */
int acpi_processor_get_limit_info(struct acpi_processor *pr);
-extern struct file_operations acpi_processor_limit_fops;
-
+extern const struct file_operations acpi_processor_limit_fops;
+extern struct thermal_cooling_device_ops processor_cooling_ops;
#ifdef CONFIG_CPU_FREQ
void acpi_thermal_cpufreq_init(void);
void acpi_thermal_cpufreq_exit(void);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff