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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ACPI_PROCESSOR_H
2#define __ACPI_PROCESSOR_H
3
4#include <linux/kernel.h>
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -05005#include <linux/cpu.h>
Zhang Ruid9460fd222008-01-17 15:51:23 +08006#include <linux/thermal.h>
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -04007#include <asm/acpi.h>
8
Rafael J. Wysockiac212b62013-05-03 00:26:22 +02009#define ACPI_PROCESSOR_CLASS "processor"
10#define ACPI_PROCESSOR_DEVICE_NAME "Processor"
11#define ACPI_PROCESSOR_DEVICE_HID "ACPI0007"
Sudeep Holladb62fda2016-02-17 11:54:19 +000012#define ACPI_PROCESSOR_CONTAINER_HID "ACPI0010"
Rafael J. Wysockiac212b62013-05-03 00:26:22 +020013
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#define ACPI_PROCESSOR_BUSY_METRIC 10
15
16#define ACPI_PROCESSOR_MAX_POWER 8
17#define ACPI_PROCESSOR_MAX_C2_LATENCY 100
18#define ACPI_PROCESSOR_MAX_C3_LATENCY 1000
19
20#define ACPI_PROCESSOR_MAX_THROTTLING 16
21#define ACPI_PROCESSOR_MAX_THROTTLE 250 /* 25% */
22#define ACPI_PROCESSOR_MAX_DUTY_WIDTH 4
23
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -040024#define ACPI_PDC_REVISION_ID 0x1
25
Len Brownfd350942007-05-09 23:34:35 -040026#define ACPI_PSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -050027#define ACPI_PSD_REV0_ENTRIES 5
28
Luming Yu01854e62007-05-26 22:49:58 +080029#define ACPI_TSD_REV0_REVISION 0 /* Support for _PSD as in ACPI 3.0 */
30#define ACPI_TSD_REV0_ENTRIES 5
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -050031/*
32 * Types of coordination defined in ACPI 3.0. Same macros can be used across
33 * P, C and T states
34 */
35#define DOMAIN_COORD_TYPE_SW_ALL 0xfc
36#define DOMAIN_COORD_TYPE_SW_ANY 0xfd
37#define DOMAIN_COORD_TYPE_HW_ALL 0xfe
38
Venkatesh Pallipadi4fcb2fc2008-02-11 17:46:31 -080039#define ACPI_CSTATE_SYSTEMIO 0
40#define ACPI_CSTATE_FFH 1
41#define ACPI_CSTATE_HALT 2
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +010042#define ACPI_CSTATE_INTEGER 3
Venkatesh Pallipadi4fcb2fc2008-02-11 17:46:31 -080043
44#define ACPI_CX_DESC_LEN 32
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -070045
Linus Torvalds1da177e2005-04-16 15:20:36 -070046/* Power Management */
47
48struct acpi_processor_cx;
49
50struct acpi_power_register {
Len Brown4be44fc2005-08-05 00:44:28 -040051 u8 descriptor;
52 u16 length;
53 u8 space_id;
54 u8 bit_width;
55 u8 bit_offset;
Len Brown718be4a2010-07-22 16:54:27 -040056 u8 access_size;
Len Brown4be44fc2005-08-05 00:44:28 -040057 u64 address;
Fabian Frederick92c4d2a2014-06-01 19:16:17 +020058} __packed;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Linus Torvalds1da177e2005-04-16 15:20:36 -070060struct acpi_processor_cx {
Len Brown4be44fc2005-08-05 00:44:28 -040061 u8 valid;
62 u8 type;
63 u32 address;
venkatesh.pallipadi@intel.combc71bec2008-01-31 17:35:04 -080064 u8 entry_method;
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -070065 u8 index;
Len Brown4be44fc2005-08-05 00:44:28 -040066 u32 latency;
Len Brown718be4a2010-07-22 16:54:27 -040067 u8 bm_sts_skip;
Venkatesh Pallipadi4fcb2fc2008-02-11 17:46:31 -080068 char desc[ACPI_CX_DESC_LEN];
Linus Torvalds1da177e2005-04-16 15:20:36 -070069};
70
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +010071struct acpi_lpi_state {
72 u32 min_residency;
73 u32 wake_latency; /* worst case */
74 u32 flags;
75 u32 arch_flags;
76 u32 res_cnt_freq;
77 u32 enable_parent_state;
78 u64 address;
79 u8 index;
80 u8 entry_method;
81 char desc[ACPI_CX_DESC_LEN];
82};
83
Linus Torvalds1da177e2005-04-16 15:20:36 -070084struct acpi_processor_power {
Len Brown4be44fc2005-08-05 00:44:28 -040085 int count;
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +010086 union {
87 struct acpi_processor_cx states[ACPI_PROCESSOR_MAX_POWER];
88 struct acpi_lpi_state lpi_states[ACPI_PROCESSOR_MAX_POWER];
89 };
Thomas Gleixner169a0ab2007-02-16 01:27:55 -080090 int timer_broadcast_on_state;
Linus Torvalds1da177e2005-04-16 15:20:36 -070091};
92
93/* Performance Management */
94
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -050095struct acpi_psd_package {
Lin Ming439913f2010-01-28 10:53:19 +080096 u64 num_entries;
97 u64 revision;
98 u64 domain;
99 u64 coord_type;
100 u64 num_processors;
Fabian Frederick92c4d2a2014-06-01 19:16:17 +0200101} __packed;
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -0500102
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103struct acpi_pct_register {
Len Brown4be44fc2005-08-05 00:44:28 -0400104 u8 descriptor;
105 u16 length;
106 u8 space_id;
107 u8 bit_width;
108 u8 bit_offset;
109 u8 reserved;
110 u64 address;
Fabian Frederick92c4d2a2014-06-01 19:16:17 +0200111} __packed;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700112
113struct acpi_processor_px {
Lin Ming439913f2010-01-28 10:53:19 +0800114 u64 core_frequency; /* megahertz */
115 u64 power; /* milliWatts */
116 u64 transition_latency; /* microseconds */
117 u64 bus_master_latency; /* microseconds */
118 u64 control; /* control value */
119 u64 status; /* success indicator */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120};
121
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122struct acpi_processor_performance {
Len Brown4be44fc2005-08-05 00:44:28 -0400123 unsigned int state;
124 unsigned int platform_limit;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 struct acpi_pct_register control_register;
126 struct acpi_pct_register status_register;
Len Brown4be44fc2005-08-05 00:44:28 -0400127 unsigned int state_count;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700128 struct acpi_processor_px *states;
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -0500129 struct acpi_psd_package domain_info;
Rusty Russell2fdf66b2008-12-31 18:08:47 -0800130 cpumask_var_t shared_cpu_map;
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -0500131 unsigned int shared_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700132};
133
Linus Torvalds1da177e2005-04-16 15:20:36 -0700134/* Throttling Control */
135
Luming Yu01854e62007-05-26 22:49:58 +0800136struct acpi_tsd_package {
Lin Ming439913f2010-01-28 10:53:19 +0800137 u64 num_entries;
138 u64 revision;
139 u64 domain;
140 u64 coord_type;
141 u64 num_processors;
Fabian Frederick92c4d2a2014-06-01 19:16:17 +0200142} __packed;
Luming Yu01854e62007-05-26 22:49:58 +0800143
144struct 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;
Fabian Frederick92c4d2a2014-06-01 19:16:17 +0200152} __packed;
Luming Yu01854e62007-05-26 22:49:58 +0800153
154struct acpi_processor_tx_tss {
Lin Ming439913f2010-01-28 10:53:19 +0800155 u64 freqpercentage; /* */
156 u64 power; /* milliWatts */
157 u64 transition_latency; /* microseconds */
158 u64 control; /* control value */
159 u64 status; /* success indicator */
Luming Yu01854e62007-05-26 22:49:58 +0800160};
Linus Torvalds1da177e2005-04-16 15:20:36 -0700161struct acpi_processor_tx {
Len Brown4be44fc2005-08-05 00:44:28 -0400162 u16 power;
163 u16 performance;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700164};
165
Luming Yu01854e62007-05-26 22:49:58 +0800166struct acpi_processor;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167struct acpi_processor_throttling {
Luming Yu01854e62007-05-26 22:49:58 +0800168 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;
Rusty Russell2fdf66b2008-12-31 18:08:47 -0800175 cpumask_var_t shared_cpu_map;
Len Brownff55a9c2007-06-02 00:15:25 -0400176 int (*acpi_processor_get_throttling) (struct acpi_processor * pr);
177 int (*acpi_processor_set_throttling) (struct acpi_processor * pr,
Frans Pop2a908002009-08-26 14:29:29 -0700178 int state, bool force);
Luming Yu01854e62007-05-26 22:49:58 +0800179
Len Brown4be44fc2005-08-05 00:44:28 -0400180 u32 address;
181 u8 duty_offset;
182 u8 duty_width;
Zhao Yakui11805092008-01-28 13:53:42 +0800183 u8 tsd_valid_flag;
184 unsigned int shared_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 struct acpi_processor_tx states[ACPI_PROCESSOR_MAX_THROTTLING];
186};
187
188/* Limit Interface */
189
190struct acpi_processor_lx {
Joe Perchesaee07ba2008-02-03 17:07:16 +0200191 int px; /* performance state */
Len Brown4be44fc2005-08-05 00:44:28 -0400192 int tx; /* throttle level */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700193};
194
195struct acpi_processor_limit {
Len Brown4be44fc2005-08-05 00:44:28 -0400196 struct acpi_processor_lx state; /* current limit */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197 struct acpi_processor_lx thermal; /* thermal limit */
Len Brown4be44fc2005-08-05 00:44:28 -0400198 struct acpi_processor_lx user; /* user limit */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199};
200
Linus Torvalds1da177e2005-04-16 15:20:36 -0700201struct acpi_processor_flags {
Len Brown4be44fc2005-08-05 00:44:28 -0400202 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;
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +0100209 u8 has_lpi:1;
Len Brown4be44fc2005-08-05 00:44:28 -0400210 u8 power_setup_done:1;
Len Brown4f86d3a2007-10-03 18:58:00 -0400211 u8 bm_rld_set:1;
Thomas Renninger99b72502012-01-19 18:18:43 +0100212 u8 need_hotplug_init:1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700213};
214
215struct acpi_processor {
Len Brown4be44fc2005-08-05 00:44:28 -0400216 acpi_handle handle;
217 u32 acpi_id;
Catalin Marinas828aef32015-03-24 14:02:46 +0000218 phys_cpuid_t phys_id; /* CPU hardware ID such as APIC ID for x86 */
Hanjun Guoaf8f3f52015-01-04 18:55:02 +0800219 u32 id; /* CPU logical ID allocated by OS */
Len Brown4be44fc2005-08-05 00:44:28 -0400220 u32 pblk;
221 int performance_platform_limit;
Luming Yu01854e62007-05-26 22:49:58 +0800222 int throttling_platform_limit;
Len Brownff55a9c2007-06-02 00:15:25 -0400223 /* 0 - states 0..n-th state available */
Luming Yu01854e62007-05-26 22:49:58 +0800224
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225 struct acpi_processor_flags flags;
226 struct acpi_processor_power power;
227 struct acpi_processor_performance *performance;
228 struct acpi_processor_throttling throttling;
229 struct acpi_processor_limit limit;
Zhang Ruid9460fd222008-01-17 15:51:23 +0800230 struct thermal_cooling_device *cdev;
Rafael J. Wysockiac212b62013-05-03 00:26:22 +0200231 struct device *dev; /* Processor device. */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232};
233
234struct acpi_processor_errata {
Len Brown4be44fc2005-08-05 00:44:28 -0400235 u8 smp;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700236 struct {
Len Brown4be44fc2005-08-05 00:44:28 -0400237 u8 throttle:1;
238 u8 fdma:1;
239 u8 reserved:6;
240 u32 bmisx;
241 } piix4;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700242};
243
Len Brownfd350942007-05-09 23:34:35 -0400244extern int acpi_processor_preregister_performance(struct
245 acpi_processor_performance
Tejun Heoa29d8b82010-02-02 14:39:15 +0900246 __percpu *performance);
Venkatesh Pallipadi3b2d9942005-12-14 15:05:00 -0500247
Len Brown4be44fc2005-08-05 00:44:28 -0400248extern int acpi_processor_register_performance(struct acpi_processor_performance
249 *performance, unsigned int cpu);
Rafael J. Wysockib2f8dc42015-07-22 22:11:16 +0200250extern void acpi_processor_unregister_performance(unsigned int cpu);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251
Rafael J. Wysockid0ea59e2016-11-17 22:47:47 +0100252int acpi_processor_pstate_control(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700253/* note: this locks both the calling module and the processor module
254 if a _PPC object exists, rmmod is disallowed then */
255int acpi_processor_notify_smm(struct module *calling_module);
256
Konrad Rzeszutek Wilkc705c782013-03-05 13:42:54 -0500257/* parsing the _P* objects. */
258extern int acpi_processor_get_performance_info(struct acpi_processor *pr);
259
Linus Torvalds1da177e2005-04-16 15:20:36 -0700260/* for communication between multiple parts of the processor kernel module */
Mike Travis706546d2008-06-09 16:22:23 -0700261DECLARE_PER_CPU(struct acpi_processor *, processors);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262extern struct acpi_processor_errata errata;
263
Sudeep Holla35ae7132016-07-19 18:52:53 +0100264#if defined(ARCH_HAS_POWER_INIT) && defined(CONFIG_ACPI_PROCESSOR_CSTATE)
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -0400265void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
Len Brown4be44fc2005-08-05 00:44:28 -0400266 unsigned int cpu);
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -0700267int acpi_processor_ffh_cstate_probe(unsigned int cpu,
Len Brownfd350942007-05-09 23:34:35 -0400268 struct acpi_processor_cx *cx,
269 struct acpi_power_register *reg);
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -0700270void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx *cstate);
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -0400271#else
Len Brown4be44fc2005-08-05 00:44:28 -0400272static inline void acpi_processor_power_init_bm_check(struct
273 acpi_processor_flags
274 *flags, unsigned int cpu)
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -0400275{
276 flags->bm_check = 1;
277 return;
278}
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -0700279static inline int acpi_processor_ffh_cstate_probe(unsigned int cpu,
Len Brownfd350942007-05-09 23:34:35 -0400280 struct acpi_processor_cx *cx,
281 struct acpi_power_register
282 *reg)
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -0700283{
284 return -1;
285}
Len Brownfd350942007-05-09 23:34:35 -0400286static inline void acpi_processor_ffh_cstate_enter(struct acpi_processor_cx
287 *cstate)
Venkatesh Pallipadi991528d2006-09-25 16:28:13 -0700288{
289 return;
290}
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -0400291#endif
292
Linus Torvalds1da177e2005-04-16 15:20:36 -0700293/* in processor_perflib.c */
Venkatesh Pallipadi02df8b92005-04-15 15:07:10 -0400294
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295#ifdef CONFIG_CPU_FREQ
296void acpi_processor_ppc_init(void);
297void acpi_processor_ppc_exit(void);
Rafael J. Wysockibca5f552016-11-18 13:57:54 +0100298void acpi_processor_ppc_has_changed(struct acpi_processor *pr, int event_flag);
Thomas Renningere2f74f32009-11-19 12:31:01 +0100299extern int acpi_processor_get_bios_limit(int cpu, unsigned int *limit);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700300#else
Len Brown4be44fc2005-08-05 00:44:28 -0400301static inline void acpi_processor_ppc_init(void)
302{
303 return;
304}
305static inline void acpi_processor_ppc_exit(void)
306{
307 return;
308}
Zhao Yakuid81c45e12009-10-16 09:20:41 +0800309static inline int acpi_processor_ppc_has_changed(struct acpi_processor *pr,
310 int event_flag)
Len Brown4be44fc2005-08-05 00:44:28 -0400311{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312 static unsigned int printout = 1;
313 if (printout) {
Len Brown4be44fc2005-08-05 00:44:28 -0400314 printk(KERN_WARNING
315 "Warning: Processor Platform Limit event detected, but not handled.\n");
316 printk(KERN_WARNING
317 "Consider compiling CPUfreq support into your kernel.\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318 printout = 0;
319 }
320 return 0;
321}
Thomas Renningere2f74f32009-11-19 12:31:01 +0100322static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
323{
324 return -ENODEV;
325}
326
Len Brown4be44fc2005-08-05 00:44:28 -0400327#endif /* CONFIG_CPU_FREQ */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328
Alex Chiang4d5d4cd2010-02-22 12:11:14 -0700329/* in processor_core.c */
Catalin Marinas828aef32015-03-24 14:02:46 +0000330phys_cpuid_t acpi_get_phys_id(acpi_handle, int type, u32 acpi_id);
David Daneyfb7c2ba2016-05-24 15:35:43 -0700331phys_cpuid_t acpi_map_madt_entry(u32 acpi_id);
Catalin Marinas828aef32015-03-24 14:02:46 +0000332int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id);
Alex Chiang2e9d5e42010-02-22 12:11:19 -0700333int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
Alex Chiang78f16992009-12-20 12:19:09 -0700334
Ashwin Chaugule4f2f7572015-09-09 16:27:07 -0400335#ifdef CONFIG_ACPI_CPPC_LIB
336extern int acpi_cppc_processor_probe(struct acpi_processor *pr);
337extern void acpi_cppc_processor_exit(struct acpi_processor *pr);
338#else
339static inline int acpi_cppc_processor_probe(struct acpi_processor *pr)
340{
341 return 0;
342}
343static inline void acpi_cppc_processor_exit(struct acpi_processor *pr)
344{
345 return;
346}
347#endif /* CONFIG_ACPI_CPPC_LIB */
348
Hanjun Guo24119a82014-10-30 17:52:58 +0800349/* in processor_pdc.c */
350void acpi_processor_set_pdc(acpi_handle handle);
351
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352/* in processor_throttling.c */
Ashwin Chaugule239708a2015-08-05 09:40:25 -0400353#ifdef CONFIG_ACPI_CPU_FREQ_PSS
Adrian Bunka66b34b2008-06-09 16:22:24 -0700354int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
Len Brown4be44fc2005-08-05 00:44:28 -0400355int acpi_processor_get_throttling_info(struct acpi_processor *pr);
Frans Pop2a908002009-08-26 14:29:29 -0700356extern int acpi_processor_set_throttling(struct acpi_processor *pr,
357 int state, bool force);
Zhao Yakui5a344a52011-01-10 16:35:45 +0800358/*
359 * Reevaluate whether the T-state is invalid after one cpu is
360 * onlined/offlined. In such case the flags.throttling will be updated.
361 */
362extern void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
Sebastian Andrzej Siewior64f3bf22016-09-06 19:04:47 +0200363 bool is_dead);
Jan Engelhardt070d8eb2009-01-12 00:07:55 +0100364extern const struct file_operations acpi_processor_throttling_fops;
Zhao Yakui11805092008-01-28 13:53:42 +0800365extern void acpi_processor_throttling_init(void);
Ashwin Chaugule239708a2015-08-05 09:40:25 -0400366#else
367static inline int acpi_processor_tstate_has_changed(struct acpi_processor *pr)
368{
369 return 0;
370}
371
372static inline int acpi_processor_get_throttling_info(struct acpi_processor *pr)
373{
374 return -ENODEV;
375}
376
377static inline int acpi_processor_set_throttling(struct acpi_processor *pr,
378 int state, bool force)
379{
380 return -ENODEV;
381}
382
383static inline void acpi_processor_reevaluate_tstate(struct acpi_processor *pr,
Sebastian Andrzej Siewior64f3bf22016-09-06 19:04:47 +0200384 bool is_dead) {}
Ashwin Chaugule239708a2015-08-05 09:40:25 -0400385
386static inline void acpi_processor_throttling_init(void) {}
387#endif /* CONFIG_ACPI_CPU_FREQ_PSS */
388
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389/* in processor_idle.c */
Ashwin Chaugule5f055862015-08-05 09:40:26 -0400390extern struct cpuidle_driver acpi_idle_driver;
391#ifdef CONFIG_ACPI_PROCESSOR_IDLE
Daniel Lezcano38a991b2012-09-15 22:42:54 +0200392int acpi_processor_power_init(struct acpi_processor *pr);
393int acpi_processor_power_exit(struct acpi_processor *pr);
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +0100394int acpi_processor_power_state_has_changed(struct acpi_processor *pr);
Deepthi Dharwar46bcfad2011-10-28 16:20:42 +0530395int acpi_processor_hotplug(struct acpi_processor *pr);
Ashwin Chaugule5f055862015-08-05 09:40:26 -0400396#else
397static inline int acpi_processor_power_init(struct acpi_processor *pr)
398{
399 return -ENODEV;
400}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700401
Ashwin Chaugule5f055862015-08-05 09:40:26 -0400402static inline int acpi_processor_power_exit(struct acpi_processor *pr)
403{
404 return -ENODEV;
405}
406
Sudeep Hollaa36a7fe2016-07-21 17:18:07 +0100407static inline int acpi_processor_power_state_has_changed(struct acpi_processor *pr)
Ashwin Chaugule5f055862015-08-05 09:40:26 -0400408{
409 return -ENODEV;
410}
411
412static inline int acpi_processor_hotplug(struct acpi_processor *pr)
413{
414 return -ENODEV;
415}
416#endif /* CONFIG_ACPI_PROCESSOR_IDLE */
417
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418/* in processor_thermal.c */
Len Brown4be44fc2005-08-05 00:44:28 -0400419int acpi_processor_get_limit_info(struct acpi_processor *pr);
Vasiliy Kulikov9c8b04b2011-06-25 21:07:52 +0400420extern const struct thermal_cooling_device_ops processor_cooling_ops;
Ashwin Chaugule239708a2015-08-05 09:40:25 -0400421#if defined(CONFIG_ACPI_CPU_FREQ_PSS) & defined(CONFIG_CPU_FREQ)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700422void acpi_thermal_cpufreq_init(void);
423void acpi_thermal_cpufreq_exit(void);
424#else
Len Brown4be44fc2005-08-05 00:44:28 -0400425static inline void acpi_thermal_cpufreq_init(void)
426{
427 return;
428}
429static inline void acpi_thermal_cpufreq_exit(void)
430{
431 return;
432}
Ashwin Chaugule239708a2015-08-05 09:40:25 -0400433#endif /* CONFIG_ACPI_CPU_FREQ_PSS */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700434
Linus Torvalds1da177e2005-04-16 15:20:36 -0700435#endif