[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/cpuidle.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 reserved;
	u64 address;
} __attribute__ ((packed));

struct acpi_processor_cx_policy {
	u32 count;
	struct acpi_processor_cx *state;
	struct {
		u32 time;
		u32 ticks;
		u32 count;
		u32 bm;
	} threshold;
};

struct acpi_processor_cx {
	u8 valid;
	u8 type;
	u32 address;
	u8 entry_method;
	u8 index;
	u32 latency;
	u32 latency_ticks;
	u32 power;
	u32 usage;
	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;
} __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 {
	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 */
};

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_t shared_cpu_map;
	unsigned int shared_type;
};

/* 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 {
	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;
	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;
};

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;
	/* the _PDC objects for this processor, if any */
	struct acpi_object_list *pdc;
};

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

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);
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);

/* for communication between multiple parts of the processor kernel module */
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);
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);
#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)
{
	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;
}
#endif				/* CONFIG_CPU_FREQ */

/* 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);
extern 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 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>
4f86d3a8	6	#include <linux/cpuidle.h>
d9460fd2	7	#include <linux/thermal.h>
02df8b93 VP	8	#include <asm/acpi.h>
02df8b93 VP	9
1da177e4 LT	10	#define ACPI_PROCESSOR_BUSY_METRIC 10
	11
	12	#define ACPI_PROCESSOR_MAX_POWER 8
	13	#define ACPI_PROCESSOR_MAX_C2_LATENCY 100
	14	#define ACPI_PROCESSOR_MAX_C3_LATENCY 1000
	15
	16	#define ACPI_PROCESSOR_MAX_THROTTLING 16
	17	#define ACPI_PROCESSOR_MAX_THROTTLE 250 /* 25% */
	18	#define ACPI_PROCESSOR_MAX_DUTY_WIDTH 4
	19
02df8b93 VP	20	#define ACPI_PDC_REVISION_ID 0x1
02df8b93 VP	21
fd350943	22	#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
3b2d9942 VP	23	#define ACPI_PSD_REV0_ENTRIES 5
3b2d9942 VP	24
01854e69 LY	25	#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
01854e69 LY	26	#define ACPI_TSD_REV0_ENTRIES 5
3b2d9942 VP	27	/*
	28	* Types of coordination defined in ACPI 3.0. Same macros can be used across
	29	* P, C and T states
	30	*/
	31	#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
	32	#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
	33	#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
	34
4fcb2fcd VP	35	#define ACPI_CSTATE_SYSTEMIO 0
	36	#define ACPI_CSTATE_FFH 1
	37	#define ACPI_CSTATE_HALT 2
	38
	39	#define ACPI_CX_DESC_LEN 32
991528d7	40
1da177e4 LT	41	/* Power Management */
	42
	43	struct acpi_processor_cx;
	44
	45	struct acpi_power_register {
4be44fcd LB	46	u8 descriptor;
	47	u16 length;
	48	u8 space_id;
	49	u8 bit_width;
	50	u8 bit_offset;
	51	u8 reserved;
	52	u64 address;
1da177e4 LT	53	} __attribute__ ((packed));
1da177e4 LT	54
1da177e4	55	struct acpi_processor_cx_policy {
4be44fcd	56	u32 count;
1da177e4 LT	57	struct acpi_processor_cx *state;
1da177e4 LT	58	struct {
4be44fcd LB	59	u32 time;
	60	u32 ticks;
	61	u32 count;
	62	u32 bm;
	63	} threshold;
1da177e4 LT	64	};
	65
	66	struct acpi_processor_cx {
4be44fcd LB	67	u8 valid;
	68	u8 type;
	69	u32 address;
bc71bec9	70	u8 entry_method;
991528d7	71	u8 index;
4be44fcd LB	72	u32 latency;
	73	u32 latency_ticks;
	74	u32 power;
	75	u32 usage;
a3c6598f	76	u64 time;
1da177e4 LT	77	struct acpi_processor_cx_policy promotion;
1da177e4 LT	78	struct acpi_processor_cx_policy demotion;
4fcb2fcd	79	char desc[ACPI_CX_DESC_LEN];
1da177e4 LT	80	};
	81
	82	struct acpi_processor_power {
4f86d3a8	83	struct cpuidle_device dev;
1da177e4	84	struct acpi_processor_cx *state;
4be44fcd LB	85	unsigned long bm_check_timestamp;
	86	u32 default_state;
	87	u32 bm_activity;
	88	int count;
1da177e4	89	struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
169a0abb	90	int timer_broadcast_on_state;
1da177e4 LT	91	};
	92
	93	/* Performance Management */
	94
3b2d9942 VP	95	struct acpi_psd_package {
	96	acpi_integer num_entries;
	97	acpi_integer revision;
	98	acpi_integer domain;
	99	acpi_integer coord_type;
	100	acpi_integer num_processors;
	101	} __attribute__ ((packed));
	102
1da177e4	103	struct acpi_pct_register {
4be44fcd LB	104	u8 descriptor;
	105	u16 length;
	106	u8 space_id;
	107	u8 bit_width;
	108	u8 bit_offset;
	109	u8 reserved;
	110	u64 address;
1da177e4 LT	111	} __attribute__ ((packed));
	112
	113	struct acpi_processor_px {
4be44fcd LB	114	acpi_integer core_frequency; /* megahertz */
	115	acpi_integer power; /* milliWatts */
	116	acpi_integer transition_latency; /* microseconds */
	117	acpi_integer bus_master_latency; /* microseconds */
	118	acpi_integer control; /* control value */
	119	acpi_integer status; /* success indicator */
1da177e4 LT	120	};
1da177e4 LT	121
1da177e4	122	struct acpi_processor_performance {
4be44fcd LB	123	unsigned int state;
4be44fcd LB	124	unsigned int platform_limit;
1da177e4 LT	125	struct acpi_pct_register control_register;
1da177e4 LT	126	struct acpi_pct_register status_register;
4be44fcd	127	unsigned int state_count;
1da177e4	128	struct acpi_processor_px *states;
3b2d9942 VP	129	struct acpi_psd_package domain_info;
	130	cpumask_t shared_cpu_map;
	131	unsigned int shared_type;
1da177e4 LT	132	};
1da177e4 LT	133
1da177e4 LT	134	/* Throttling Control */
1da177e4 LT	135
01854e69 LY	136	struct acpi_tsd_package {
	137	acpi_integer num_entries;
	138	acpi_integer revision;
	139	acpi_integer domain;
	140	acpi_integer coord_type;
	141	acpi_integer num_processors;
	142	} __attribute__ ((packed));
	143
	144	struct acpi_ptc_register {
	145	u8 descriptor;
	146	u16 length;
	147	u8 space_id;
	148	u8 bit_width;
	149	u8 bit_offset;
	150	u8 reserved;
	151	u64 address;
	152	} __attribute__ ((packed));
	153
	154	struct acpi_processor_tx_tss {
	155	acpi_integer freqpercentage; /* */
	156	acpi_integer power; /* milliWatts */
	157	acpi_integer transition_latency; /* microseconds */
	158	acpi_integer control; /* control value */
	159	acpi_integer status; /* success indicator */
	160	};
1da177e4	161	struct acpi_processor_tx {
4be44fcd LB	162	u16 power;
4be44fcd LB	163	u16 performance;
1da177e4 LT	164	};
1da177e4 LT	165
01854e69	166	struct acpi_processor;
1da177e4	167	struct acpi_processor_throttling {
01854e69 LY	168	unsigned int state;
	169	unsigned int platform_limit;
	170	struct acpi_pct_register control_register;
	171	struct acpi_pct_register status_register;
	172	unsigned int state_count;
	173	struct acpi_processor_tx_tss *states_tss;
	174	struct acpi_tsd_package domain_info;
	175	cpumask_t shared_cpu_map;
ff55a9ce LB	176	int (acpi_processor_get_throttling) (struct acpi_processor pr);
	177	int (acpi_processor_set_throttling) (struct acpi_processor pr,
	178	int state);
01854e69	179
4be44fcd LB	180	u32 address;
	181	u8 duty_offset;
	182	u8 duty_width;
1180509f ZY	183	u8 tsd_valid_flag;
1180509f ZY	184	unsigned int shared_type;
1da177e4 LT	185	struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
	186	};
	187
	188	/* Limit Interface */
	189
	190	struct acpi_processor_lx {
aee07ba6	191	int px; /* performance state */
4be44fcd	192	int tx; /* throttle level */
1da177e4 LT	193	};
	194
	195	struct acpi_processor_limit {
4be44fcd	196	struct acpi_processor_lx state; /* current limit */
1da177e4	197	struct acpi_processor_lx thermal; /* thermal limit */
4be44fcd	198	struct acpi_processor_lx user; /* user limit */
1da177e4 LT	199	};
1da177e4 LT	200
1da177e4	201	struct acpi_processor_flags {
4be44fcd LB	202	u8 power:1;
	203	u8 performance:1;
	204	u8 throttling:1;
	205	u8 limit:1;
	206	u8 bm_control:1;
	207	u8 bm_check:1;
	208	u8 has_cst:1;
	209	u8 power_setup_done:1;
4f86d3a8	210	u8 bm_rld_set:1;
1da177e4 LT	211	};
	212
	213	struct acpi_processor {
4be44fcd LB	214	acpi_handle handle;
	215	u32 acpi_id;
	216	u32 id;
	217	u32 pblk;
	218	int performance_platform_limit;
01854e69	219	int throttling_platform_limit;
ff55a9ce	220	/* 0 - states 0..n-th state available */
01854e69	221
1da177e4 LT	222	struct acpi_processor_flags flags;
	223	struct acpi_processor_power power;
	224	struct acpi_processor_performance *performance;
	225	struct acpi_processor_throttling throttling;
	226	struct acpi_processor_limit limit;
d9460fd2	227	struct thermal_cooling_device *cdev;
05131ecc VP	228	/* the _PDC objects for this processor, if any */
05131ecc VP	229	struct acpi_object_list *pdc;
1da177e4 LT	230	};
	231
	232	struct acpi_processor_errata {
4be44fcd	233	u8 smp;
1da177e4	234	struct {
4be44fcd LB	235	u8 throttle:1;
	236	u8 fdma:1;
	237	u8 reserved:6;
	238	u32 bmisx;
	239	} piix4;
1da177e4 LT	240	};
1da177e4 LT	241
fd350943 LB	242	extern int acpi_processor_preregister_performance(struct
fd350943 LB	243	acpi_processor_performance
50109292	244	*performance);
3b2d9942	245
4be44fcd LB	246	extern int acpi_processor_register_performance(struct acpi_processor_performance
	247	*performance, unsigned int cpu);
	248	extern void acpi_processor_unregister_performance(struct
	249	acpi_processor_performance
	250	*performance,
	251	unsigned int cpu);
1da177e4 LT	252
	253	/* note: this locks both the calling module and the processor module
	254	if a _PPC object exists, rmmod is disallowed then */
	255	int acpi_processor_notify_smm(struct module *calling_module);
	256
1da177e4	257	/* for communication between multiple parts of the processor kernel module */
706546d0	258	DECLARE_PER_CPU(struct acpi_processor *, processors);
1da177e4 LT	259	extern struct acpi_processor_errata errata;
1da177e4 LT	260
05131ecc	261	void arch_acpi_processor_init_pdc(struct acpi_processor *pr);
02df8b93	262
05131ecc	263	#ifdef ARCH_HAS_POWER_INIT
02df8b93	264	void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
4be44fcd	265	unsigned int cpu);
991528d7	266	int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	267	struct acpi_processor_cx *cx,
fd350943 LB	268	struct acpi_power_register *reg);
991528d7	269	void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
02df8b93	270	#else
4be44fcd LB	271	static inline void acpi_processor_power_init_bm_check(struct
	272	acpi_processor_flags
	273	*flags, unsigned int cpu)
02df8b93 VP	274	{
	275	flags->bm_check = 1;
	276	return;
	277	}
991528d7	278	static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
fd350943 LB	279	struct acpi_processor_cx *cx,
	280	struct acpi_power_register
	281	*reg)
991528d7 VP	282	{
	283	return -1;
	284	}
fd350943 LB	285	static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
fd350943 LB	286	*cstate)
991528d7 VP	287	{
	288	return;
	289	}
02df8b93 VP	290	#endif
02df8b93 VP	291
1da177e4	292	/* in processor_perflib.c */
02df8b93	293
1da177e4 LT	294	#ifdef CONFIG_CPU_FREQ
	295	void acpi_processor_ppc_init(void);
	296	void acpi_processor_ppc_exit(void);
	297	int acpi_processor_ppc_has_changed(struct acpi_processor *pr);
	298	#else
4be44fcd LB	299	static inline void acpi_processor_ppc_init(void)
	300	{
	301	return;
	302	}
	303	static inline void acpi_processor_ppc_exit(void)
	304	{
	305	return;
	306	}
	307	static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr)
	308	{
1da177e4 LT	309	static unsigned int printout = 1;
1da177e4 LT	310	if (printout) {
4be44fcd LB	311	printk(KERN_WARNING
	312	"Warning: Processor Platform Limit event detected, but not handled.\n");
	313	printk(KERN_WARNING
	314	"Consider compiling CPUfreq support into your kernel.\n");
1da177e4 LT	315	printout = 0;
	316	}
	317	return 0;
	318	}
4be44fcd	319	#endif /* CONFIG_CPU_FREQ */
1da177e4 LT	320
1da177e4 LT	321	/* in processor_throttling.c */
a66b34b2	322	int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
4be44fcd	323	int acpi_processor_get_throttling_info(struct acpi_processor *pr);
01854e69	324	extern int acpi_processor_set_throttling(struct acpi_processor *pr, int state);
1da177e4	325	extern struct file_operations acpi_processor_throttling_fops;
1180509f	326	extern void acpi_processor_throttling_init(void);
1da177e4	327	/* in processor_idle.c */
4be44fcd LB	328	int acpi_processor_power_init(struct acpi_processor *pr,
	329	struct acpi_device *device);
	330	int acpi_processor_cst_has_changed(struct acpi_processor *pr);
	331	int acpi_processor_power_exit(struct acpi_processor *pr,
	332	struct acpi_device *device);
b04e7bdb TG	333	int acpi_processor_suspend(struct acpi_device * device, pm_message_t state);
b04e7bdb TG	334	int acpi_processor_resume(struct acpi_device * device);
4f86d3a8	335	extern struct cpuidle_driver acpi_idle_driver;
1da177e4 LT	336
1da177e4 LT	337	/* in processor_thermal.c */
4be44fcd	338	int acpi_processor_get_limit_info(struct acpi_processor *pr);
1da177e4	339	extern struct file_operations acpi_processor_limit_fops;
d9460fd2	340	extern struct thermal_cooling_device_ops processor_cooling_ops;
1da177e4 LT	341	#ifdef CONFIG_CPU_FREQ
	342	void acpi_thermal_cpufreq_init(void);
	343	void acpi_thermal_cpufreq_exit(void);
	344	#else
4be44fcd LB	345	static inline void acpi_thermal_cpufreq_init(void)
	346	{
	347	return;
	348	}
	349	static inline void acpi_thermal_cpufreq_exit(void)
	350	{
	351	return;
	352	}
1da177e4 LT	353	#endif
1da177e4 LT	354
1da177e4	355	#endif