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

#ifndef __ACPI_PROCESSOR_H
#define __ACPI_PROCESSOR_H

#include <linux/kernel.h>
#include <linux/cpu.h>
#include <linux/thermal.h>
#include <asm/acpi.h>

#define ACPI_PROCESSOR_BUSY_METRIC	10

#define ACPI_PROCESSOR_MAX_POWER	8
#define ACPI_PROCESSOR_MAX_C2_LATENCY	100
#define ACPI_PROCESSOR_MAX_C3_LATENCY	1000

#define ACPI_PROCESSOR_MAX_THROTTLING	16
#define ACPI_PROCESSOR_MAX_THROTTLE	250	/* 25% */
#define ACPI_PROCESSOR_MAX_DUTY_WIDTH	4

#define ACPI_PDC_REVISION_ID		0x1

#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_ALL	0xfc
#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_HALT	2

#define ACPI_CX_DESC_LEN	32

/* Power Management */

struct acpi_processor_cx;

struct acpi_power_register {
	u8 descriptor;
	u16 length;
	u8 space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 access_size;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_cx {
	u8 valid;
	u8 type;
	u32 address;
	u8 entry_method;
	u8 index;
	u32 latency;
	u8 bm_sts_skip;
	char desc[ACPI_CX_DESC_LEN];
};

struct acpi_processor_power {
	struct acpi_processor_cx *state;
	unsigned long bm_check_timestamp;
	u32 default_state;
	int count;
	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
	int timer_broadcast_on_state;
};

/* Performance Management */

struct acpi_psd_package {
	u64 num_entries;
	u64 revision;
	u64 domain;
	u64 coord_type;
	u64 num_processors;
} __attribute__ ((packed));

struct acpi_pct_register {
	u8 descriptor;
	u16 length;
	u8 space_id;
	u8 bit_width;
	u8 bit_offset;
	u8 reserved;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_px {
	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;
	unsigned int platform_limit;
	struct acpi_pct_register control_register;
	struct acpi_pct_register status_register;
	unsigned int state_count;
	struct acpi_processor_px *states;
	struct acpi_psd_package domain_info;
	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 {
	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;
	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;			/* performance state */
	int tx;			/* throttle level */
};

struct acpi_processor_limit {
	struct acpi_processor_lx state;	/* current limit */
	struct acpi_processor_lx thermal;	/* thermal limit */
	struct acpi_processor_lx user;	/* user limit */
};

struct acpi_processor_flags {
	u8 power:1;
	u8 performance:1;
	u8 throttling:1;
	u8 limit:1;
	u8 bm_control:1;
	u8 bm_check:1;
	u8 has_cst:1;
	u8 power_setup_done:1;
	u8 bm_rld_set:1;
	u8 need_hotplug_init:1;
};

struct acpi_processor {
	acpi_handle handle;
	u32 acpi_id;
	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;
	struct thermal_cooling_device *cdev;
};

struct acpi_processor_errata {
	u8 smp;
	struct {
		u8 throttle:1;
		u8 fdma:1;
		u8 reserved:6;
		u32 bmisx;
	} piix4;
};

extern void acpi_processor_load_module(struct acpi_processor *pr);
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);
extern void acpi_processor_unregister_performance(struct
						  acpi_processor_performance
						  *performance,
						  unsigned int cpu);

/* note: this locks both the calling module and the processor module
         if a _PPC object exists, rmmod is disallowed then */
int acpi_processor_notify_smm(struct module *calling_module);

/* parsing the _P* objects. */
extern int acpi_processor_get_performance_info(struct acpi_processor *pr);

/* for communication between multiple parts of the processor kernel module */
DECLARE_PER_CPU(struct acpi_processor *, processors);
extern struct acpi_processor_errata errata;

#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, unsigned int cpu)
{
	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 */

#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 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 void acpi_processor_ppc_exit(void)
{
	return;
}
static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr,
								int event_flag)
{
	static unsigned int printout = 1;
	if (printout) {
		printk(KERN_WARNING
		       "Warning: Processor Platform Limit event detected, but not handled.\n");
		printk(KERN_WARNING
		       "Consider compiling CPUfreq support into your kernel.\n");
		printout = 0;
	}
	return 0;
}
static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
{
	return -ENODEV;
}

#endif				/* CONFIG_CPU_FREQ */

/* in processor_core.c */
void acpi_processor_set_pdc(acpi_handle handle);
int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);

/* in processor_throttling.c */
int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
int acpi_processor_get_throttling_info(struct acpi_processor *pr);
extern int acpi_processor_set_throttling(struct acpi_processor *pr,
					 int state, bool force);
/*
 * Reevaluate whether the T-state is invalid after one cpu is
 * onlined/offlined. In such case the flags.throttling will be updated.
 */
extern void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
			unsigned long action);
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);
int acpi_processor_power_exit(struct acpi_processor *pr);
int acpi_processor_cst_has_changed(struct acpi_processor *pr);
int acpi_processor_hotplug(struct acpi_processor *pr);
extern struct cpuidle_driver acpi_idle_driver;

#ifdef CONFIG_PM_SLEEP
void acpi_processor_syscore_init(void);
void acpi_processor_syscore_exit(void);
#else
static inline void acpi_processor_syscore_init(void) {}
static inline void acpi_processor_syscore_exit(void) {}
#endif

/* in processor_thermal.c */
int acpi_processor_get_limit_info(struct acpi_processor *pr);
extern const struct thermal_cooling_device_ops processor_cooling_ops;
#ifdef CONFIG_CPU_FREQ
void acpi_thermal_cpufreq_init(void);
void acpi_thermal_cpufreq_exit(void);
#else
static inline void acpi_thermal_cpufreq_init(void)
{
	return;
}
static inline void acpi_thermal_cpufreq_exit(void)
{
	return;
}
#endif

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __ACPI_PROCESSOR_H
	2	#define __ACPI_PROCESSOR_H
	3
	4	#include <linux/kernel.h>
3b2d9942	5	#include <linux/cpu.h>
d9460fd2	6	#include <linux/thermal.h>
02df8b93 VP	7	#include <asm/acpi.h>
02df8b93 VP	8
1da177e4 LT	9	#define ACPI_PROCESSOR_BUSY_METRIC 10
	10
	11	#define ACPI_PROCESSOR_MAX_POWER 8
	12	#define ACPI_PROCESSOR_MAX_C2_LATENCY 100
	13	#define ACPI_PROCESSOR_MAX_C3_LATENCY 1000
	14
	15	#define ACPI_PROCESSOR_MAX_THROTTLING 16
	16	#define ACPI_PROCESSOR_MAX_THROTTLE 250 /* 25% */
	17	#define ACPI_PROCESSOR_MAX_DUTY_WIDTH 4
	18
02df8b93 VP	19	#define ACPI_PDC_REVISION_ID 0x1
02df8b93 VP	20
fd350943	21	#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
3b2d9942 VP	22	#define ACPI_PSD_REV0_ENTRIES 5
3b2d9942 VP	23
01854e69 LY	24	#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
01854e69 LY	25	#define ACPI_TSD_REV0_ENTRIES 5
3b2d9942 VP	26	/*
	27	* Types of coordination defined in ACPI 3.0. Same macros can be used across
	28	* P, C and T states
	29	*/
	30	#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
	31	#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
	32	#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
	33
4fcb2fcd VP	34	#define ACPI_CSTATE_SYSTEMIO 0
	35	#define ACPI_CSTATE_FFH 1
	36	#define ACPI_CSTATE_HALT 2
	37
	38	#define ACPI_CX_DESC_LEN 32
991528d7	39
1da177e4 LT	40	/* Power Management */
	41
	42	struct acpi_processor_cx;
	43
	44	struct acpi_power_register {
4be44fcd LB	45	u8 descriptor;
	46	u16 length;
	47	u8 space_id;
	48	u8 bit_width;
	49	u8 bit_offset;
718be4aa	50	u8 access_size;
4be44fcd	51	u64 address;
1da177e4 LT	52	} __attribute__ ((packed));
1da177e4 LT	53
1da177e4	54	struct acpi_processor_cx {
4be44fcd LB	55	u8 valid;
	56	u8 type;
	57	u32 address;
bc71bec9	58	u8 entry_method;
991528d7	59	u8 index;
4be44fcd	60	u32 latency;
718be4aa	61	u8 bm_sts_skip;
4fcb2fcd	62	char desc[ACPI_CX_DESC_LEN];
1da177e4 LT	63	};
	64
	65	struct acpi_processor_power {
	66	struct acpi_processor_cx *state;
4be44fcd LB	67	unsigned long bm_check_timestamp;
4be44fcd LB	68	u32 default_state;
4be44fcd	69	int count;
1da177e4	70	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
169a0abb	71	int timer_broadcast_on_state;
1da177e4 LT	72	};
	73
	74	/* Performance Management */
	75
3b2d9942	76	struct acpi_psd_package {
439913ff LM	77	u64 num_entries;
	78	u64 revision;
	79	u64 domain;
	80	u64 coord_type;
	81	u64 num_processors;
3b2d9942 VP	82	} __attribute__ ((packed));
3b2d9942 VP	83
1da177e4	84	struct acpi_pct_register {
4be44fcd LB	85	u8 descriptor;
	86	u16 length;
	87	u8 space_id;
	88	u8 bit_width;
	89	u8 bit_offset;
	90	u8 reserved;
	91	u64 address;
1da177e4 LT	92	} __attribute__ ((packed));
	93
	94	struct acpi_processor_px {
439913ff LM	95	u64 core_frequency; /* megahertz */
	96	u64 power; /* milliWatts */
	97	u64 transition_latency; /* microseconds */
	98	u64 bus_master_latency; /* microseconds */
	99	u64 control; /* control value */
	100	u64 status; /* success indicator */
1da177e4 LT	101	};
1da177e4 LT	102
1da177e4	103	struct acpi_processor_performance {
4be44fcd LB	104	unsigned int state;
4be44fcd LB	105	unsigned int platform_limit;
1da177e4 LT	106	struct acpi_pct_register control_register;
1da177e4 LT	107	struct acpi_pct_register status_register;
4be44fcd	108	unsigned int state_count;
1da177e4	109	struct acpi_processor_px *states;
3b2d9942	110	struct acpi_psd_package domain_info;
2fdf66b4	111	cpumask_var_t shared_cpu_map;
3b2d9942	112	unsigned int shared_type;
1da177e4 LT	113	};
1da177e4 LT	114
1da177e4 LT	115	/* Throttling Control */
1da177e4 LT	116
01854e69	117	struct acpi_tsd_package {
439913ff LM	118	u64 num_entries;
	119	u64 revision;
	120	u64 domain;
	121	u64 coord_type;
	122	u64 num_processors;
01854e69 LY	123	} __attribute__ ((packed));
	124
	125	struct acpi_ptc_register {
	126	u8 descriptor;
	127	u16 length;
	128	u8 space_id;
	129	u8 bit_width;
	130	u8 bit_offset;
	131	u8 reserved;
	132	u64 address;
	133	} __attribute__ ((packed));
	134
	135	struct acpi_processor_tx_tss {
439913ff LM	136	u64 freqpercentage; /* */
	137	u64 power; /* milliWatts */
	138	u64 transition_latency; /* microseconds */
	139	u64 control; /* control value */
	140	u64 status; /* success indicator */
01854e69	141	};
1da177e4	142	struct acpi_processor_tx {
4be44fcd LB	143	u16 power;
4be44fcd LB	144	u16 performance;
1da177e4 LT	145	};
1da177e4 LT	146
01854e69	147	struct acpi_processor;
1da177e4	148	struct acpi_processor_throttling {
01854e69 LY	149	unsigned int state;
	150	unsigned int platform_limit;
	151	struct acpi_pct_register control_register;
	152	struct acpi_pct_register status_register;
	153	unsigned int state_count;
	154	struct acpi_processor_tx_tss *states_tss;
	155	struct acpi_tsd_package domain_info;
2fdf66b4	156	cpumask_var_t shared_cpu_map;
ff55a9ce LB	157	int (acpi_processor_get_throttling) (struct acpi_processor pr);
ff55a9ce LB	158	int (acpi_processor_set_throttling) (struct acpi_processor pr,
2a908002	159	int state, bool force);
01854e69	160
4be44fcd LB	161	u32 address;
	162	u8 duty_offset;
	163	u8 duty_width;
1180509f ZY	164	u8 tsd_valid_flag;
1180509f ZY	165	unsigned int shared_type;
1da177e4 LT	166	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
	167	};
	168
	169	/* Limit Interface */
	170
	171	struct acpi_processor_lx {
aee07ba6	172	int px; /* performance state */
4be44fcd	173	int tx; /* throttle level */
1da177e4 LT	174	};
	175
	176	struct acpi_processor_limit {
4be44fcd	177	struct acpi_processor_lx state; /* current limit */
1da177e4	178	struct acpi_processor_lx thermal; /* thermal limit */
4be44fcd	179	struct acpi_processor_lx user; /* user limit */
1da177e4 LT	180	};
1da177e4 LT	181
1da177e4	182	struct acpi_processor_flags {
4be44fcd LB	183	u8 power:1;
	184	u8 performance:1;
	185	u8 throttling:1;
	186	u8 limit:1;
	187	u8 bm_control:1;
	188	u8 bm_check:1;
	189	u8 has_cst:1;
	190	u8 power_setup_done:1;
4f86d3a8	191	u8 bm_rld_set:1;
99b72508	192	u8 need_hotplug_init:1;
1da177e4 LT	193	};
	194
	195	struct acpi_processor {
4be44fcd LB	196	acpi_handle handle;
	197	u32 acpi_id;
	198	u32 id;
	199	u32 pblk;
	200	int performance_platform_limit;
01854e69	201	int throttling_platform_limit;
ff55a9ce	202	/* 0 - states 0..n-th state available */
01854e69	203
1da177e4 LT	204	struct acpi_processor_flags flags;
	205	struct acpi_processor_power power;
	206	struct acpi_processor_performance *performance;
	207	struct acpi_processor_throttling throttling;
	208	struct acpi_processor_limit limit;
d9460fd2	209	struct thermal_cooling_device *cdev;
1da177e4 LT	210	};
	211
	212	struct acpi_processor_errata {
4be44fcd	213	u8 smp;
1da177e4	214	struct {
4be44fcd LB	215	u8 throttle:1;
	216	u8 fdma:1;
	217	u8 reserved:6;
	218	u32 bmisx;
	219	} piix4;
1da177e4 LT	220	};
1da177e4 LT	221
9061e0e1	222	extern void acpi_processor_load_module(struct acpi_processor *pr);
fd350943 LB	223	extern int acpi_processor_preregister_performance(struct
fd350943 LB	224	acpi_processor_performance
a29d8b8e	225	__percpu *performance);
3b2d9942	226
4be44fcd LB	227	extern int acpi_processor_register_performance(struct acpi_processor_performance
	228	*performance, unsigned int cpu);
	229	extern void acpi_processor_unregister_performance(struct
	230	acpi_processor_performance
	231	*performance,
	232	unsigned int cpu);
1da177e4 LT	233
	234	/* note: this locks both the calling module and the processor module
	235	if a _PPC object exists, rmmod is disallowed then */
	236	int acpi_processor_notify_smm(struct module *calling_module);
	237
c705c78c KRW	238	/* parsing the _P* objects. */
	239	extern int acpi_processor_get_performance_info(struct acpi_processor *pr);
	240
1da177e4	241	/* for communication between multiple parts of the processor kernel module */
706546d0	242	DECLARE_PER_CPU(struct acpi_processor *, processors);
1da177e4 LT	243	extern struct acpi_processor_errata errata;
1da177e4 LT	244
05131ecc	245	#ifdef ARCH_HAS_POWER_INIT
02df8b93	246	void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
4be44fcd	247	unsigned int cpu);
991528d7	248	int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	249	struct acpi_processor_cx *cx,
fd350943 LB	250	struct acpi_power_register *reg);
991528d7	251	void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
02df8b93	252	#else
4be44fcd LB	253	static inline void acpi_processor_power_init_bm_check(struct
	254	acpi_processor_flags
	255	*flags, unsigned int cpu)
02df8b93 VP	256	{
	257	flags->bm_check = 1;
	258	return;
	259	}
991528d7	260	static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	261	struct acpi_processor_cx *cx,
	262	struct acpi_power_register
	263	*reg)
991528d7 VP	264	{
	265	return -1;
	266	}
fd350943 LB	267	static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
fd350943 LB	268	*cstate)
991528d7 VP	269	{
	270	return;
	271	}
02df8b93 VP	272	#endif
02df8b93 VP	273
1da177e4	274	/* in processor_perflib.c */
02df8b93	275
1da177e4 LT	276	#ifdef CONFIG_CPU_FREQ
	277	void acpi_processor_ppc_init(void);
	278	void acpi_processor_ppc_exit(void);
d81c45e1	279	int acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag);
e2f74f35	280	extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit);
1da177e4	281	#else
4be44fcd LB	282	static inline void acpi_processor_ppc_init(void)
	283	{
	284	return;
	285	}
	286	static inline void acpi_processor_ppc_exit(void)
	287	{
	288	return;
	289	}
d81c45e1 ZY	290	static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr,
d81c45e1 ZY	291	int event_flag)
4be44fcd	292	{
1da177e4 LT	293	static unsigned int printout = 1;
1da177e4 LT	294	if (printout) {
4be44fcd LB	295	printk(KERN_WARNING
	296	"Warning: Processor Platform Limit event detected, but not handled.\n");
	297	printk(KERN_WARNING
	298	"Consider compiling CPUfreq support into your kernel.\n");
1da177e4 LT	299	printout = 0;
	300	}
	301	return 0;
	302	}
e2f74f35 TR	303	static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
	304	{
	305	return -ENODEV;
	306	}
	307
4be44fcd	308	#endif /* CONFIG_CPU_FREQ */
1da177e4	309
4d5d4cd8	310	/* in processor_core.c */
43bab25c	311	void acpi_processor_set_pdc(acpi_handle handle);
2e9d5e4e	312	int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
78f16996	313
1da177e4	314	/* in processor_throttling.c */
a66b34b2	315	int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
4be44fcd	316	int acpi_processor_get_throttling_info(struct acpi_processor *pr);
2a908002 FP	317	extern int acpi_processor_set_throttling(struct acpi_processor *pr,
2a908002 FP	318	int state, bool force);
5a344a50 ZY	319	/*
	320	* Reevaluate whether the T-state is invalid after one cpu is
	321	* onlined/offlined. In such case the flags.throttling will be updated.
	322	*/
	323	extern void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
	324	unsigned long action);
070d8eb1	325	extern const struct file_operations acpi_processor_throttling_fops;
1180509f	326	extern void acpi_processor_throttling_init(void);
1da177e4	327	/* in processor_idle.c */
38a991b6 DL	328	int acpi_processor_power_init(struct acpi_processor *pr);
38a991b6 DL	329	int acpi_processor_power_exit(struct acpi_processor *pr);
4be44fcd	330	int acpi_processor_cst_has_changed(struct acpi_processor *pr);
46bcfad7	331	int acpi_processor_hotplug(struct acpi_processor *pr);
4f86d3a8	332	extern struct cpuidle_driver acpi_idle_driver;
1da177e4	333
0a3b15ac RW	334	#ifdef CONFIG_PM_SLEEP
	335	void acpi_processor_syscore_init(void);
	336	void acpi_processor_syscore_exit(void);
	337	#else
	338	static inline void acpi_processor_syscore_init(void) {}
	339	static inline void acpi_processor_syscore_exit(void) {}
	340	#endif
	341
1da177e4	342	/* in processor_thermal.c */
4be44fcd	343	int acpi_processor_get_limit_info(struct acpi_processor *pr);
9c8b04be	344	extern const struct thermal_cooling_device_ops processor_cooling_ops;
1da177e4 LT	345	#ifdef CONFIG_CPU_FREQ
	346	void acpi_thermal_cpufreq_init(void);
	347	void acpi_thermal_cpufreq_exit(void);
	348	#else
4be44fcd LB	349	static inline void acpi_thermal_cpufreq_init(void)
	350	{
	351	return;
	352	}
	353	static inline void acpi_thermal_cpufreq_exit(void)
	354	{
	355	return;
	356	}
1da177e4 LT	357	#endif
1da177e4 LT	358
1da177e4	359	#endif