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Merge tag 'pci-v6.16-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
[linux-2.6-block.git] / drivers / acpi / internal.h
CommitLineData
2025cf9e 1/* SPDX-License-Identifier: GPL-2.0-only */
a192a958
LB		 2/*
3 * acpi/internal.h
4 * For use by Linux/ACPI infrastructure, not drivers
5 *
6 * Copyright (c) 2009, Intel Corporation.
a192a958
LB		 7 */
8
1195a098
TR		 9#ifndef _ACPI_INTERNAL_H_
10#define _ACPI_INTERNAL_H_
11
eb50aaf9
AS		 12#include <linux/idr.h>
13
7ba6b73d
AS		 14extern struct acpi_device *acpi_root;
15
e5f660eb
LZ		 16int early_acpi_osi_init(void);
17int acpi_osi_init(void);
1129c92f 18acpi_status acpi_os_initialize1(void);
b6c55b16 19void acpi_scan_init(void);
5d32a665 20#ifdef CONFIG_PCI
00c43b96 21void acpi_pci_root_init(void);
4daeaf68 22void acpi_pci_link_init(void);
5d32a665
SK		 23#else
24static inline void acpi_pci_root_init(void) {}
25static inline void acpi_pci_link_init(void) {}
26#endif
ac212b69 27void acpi_processor_init(void);
141a297b 28void acpi_platform_init(void);
eec15edb 29void acpi_pnp_init(void);
3230bbfc 30void acpi_int340x_thermal_init(void);
1c8fce27 31int acpi_sysfs_init(void);
9c4aa1ee 32void acpi_gpe_apply_masked_gpes(void);
737f1a9f 33void acpi_container_init(void);
cccd4208 34void acpi_memory_hotplug_init(void);
c183619b 35#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
f2ae5da7 36void pci_ioapic_remove(struct acpi_pci_root *root);
c183619b
JL		 37int acpi_ioapic_remove(struct acpi_pci_root *root);
38#else
f2ae5da7 39static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
c183619b
JL		 40static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
41#endif
94add0f8 42#ifdef CONFIG_ACPI_DOCK
1e2380cd
RW		 43void register_dock_dependent_device(struct acpi_device *adev,
44 acpi_handle dshandle);
45int dock_notify(struct acpi_device *adev, u32 event);
46void acpi_dock_add(struct acpi_device *adev);
94add0f8 47#else
1e2380cd
RW		 48static inline void register_dock_dependent_device(struct acpi_device *adev,
49 acpi_handle dshandle) {}
50static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
51static inline void acpi_dock_add(struct acpi_device *adev) {}
94add0f8 52#endif
2fa97feb
LT		 53#ifdef CONFIG_X86
54void acpi_cmos_rtc_init(void);
55#else
56static inline void acpi_cmos_rtc_init(void) {}
57#endif
18d78b64 58int acpi_rev_override_setup(char *str);
e747f274 59
3f8055c3
RW		 60void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
61 const char *name);
62int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
63 const char *hotplug_profile_name);
64void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
65
a25ee920 66#ifdef CONFIG_DEBUG_FS
aecad432 67extern struct dentry *acpi_debugfs_dir;
10742619 68void acpi_debugfs_init(void);
a25ee920 69#else
aecad432 70static inline void acpi_debugfs_init(void) { return; }
a25ee920 71#endif
2d5d5abe
AS		 72
73#if defined(CONFIG_X86) && defined(CONFIG_PCI)
f58b082a 74void acpi_lpss_init(void);
16227455
SK		 75#else
76static inline void acpi_lpss_init(void) {}
77#endif
a25ee920 78
92082a88
KX		 79void acpi_apd_init(void);
80
1e3bcb59 81acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
d783156e 82bool acpi_queue_hotplug_work(struct work_struct *work);
1e3bcb59 83void acpi_device_hotplug(struct acpi_device *adev, u32 src);
caa73ea1 84bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
d783156e 85
68bdb677 86acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
8d287e82 87void acpi_scan_table_notify(void);
68bdb677 88
9c864722
RW		 89int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp);
90int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp);
91int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp);
92int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp);
93
310293a2
SST		 94#ifdef CONFIG_ARM64
95int acpi_arch_thermal_cpufreq_pctg(void);
96#else
97static inline int acpi_arch_thermal_cpufreq_pctg(void)
98{
99 return 0;
100}
101#endif
102
82c7d5ef
RW		 103/* --------------------------------------------------------------------------
104 Device Node Initialization / Removal
105 -------------------------------------------------------------------------- */
106#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
107 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
108
2d12b6b3
LW		 109extern struct list_head acpi_bus_id_list;
110
edc345d8 111struct acpi_device_bus_id {
a58015d6 112 const char *bus_id;
eb50aaf9 113 struct ida instance_ida;
2d12b6b3
LW		 114 struct list_head node;
115};
116
82c7d5ef 117void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
5c5e1237 118 int type, void (*release)(struct device *));
6e1850b2 119int acpi_tie_acpi_dev(struct acpi_device *adev);
5c5e1237 120int acpi_device_add(struct acpi_device *device);
bb664e50 121void acpi_device_setup_files(struct acpi_device *dev);
c2efefb3 122void acpi_device_remove_files(struct acpi_device *dev);
cd488472 123extern const struct attribute_group *acpi_groups[];
cf860be6 124void acpi_device_add_finalize(struct acpi_device *device);
c0af4175 125void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
1b4f02a3 126bool acpi_device_is_enabled(const struct acpi_device *adev);
cde1f95f 127bool acpi_device_is_present(const struct acpi_device *adev);
b43109fa 128bool acpi_device_is_battery(struct acpi_device *adev);
712e960f
MW		 129bool acpi_device_is_first_physical_node(struct acpi_device *adev,
130 const struct device *dev);
a64a62ce 131int acpi_bus_register_early_device(int type);
82c7d5ef 132
c2efefb3
RW		 133/* --------------------------------------------------------------------------
134 Device Matching and Notification
135 -------------------------------------------------------------------------- */
86fca926 136const struct acpi_device *acpi_companion_match(const struct device *dev);
162736b0 137int __acpi_device_uevent_modalias(const struct acpi_device *adev,
c2efefb3
RW		 138 struct kobj_uevent_env *env);
139
e60cc7a6
BH		 140/* --------------------------------------------------------------------------
141 Power Resource
142 -------------------------------------------------------------------------- */
0b224527 143void acpi_power_resources_list_free(struct list_head *list);
e88c9c60
RW		 144int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
145 struct list_head *list);
9b7ff25d 146struct acpi_device *acpi_add_power_resource(acpi_handle handle);
bc9b6407 147void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
b5d667eb 148int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
e60cc7a6 149int acpi_device_sleep_wake(struct acpi_device *dev,
c6237b21 150 int enable, int sleep_state, int dev_state);
32a00d27 151int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
30d3df41 152int acpi_power_on_resources(struct acpi_device *device, int state);
e60cc7a6 153int acpi_power_transition(struct acpi_device *device, int state);
6381195a 154void acpi_turn_off_unused_power_resources(void);
e60cc7a6 155
9ed411c0
RW		 156/* --------------------------------------------------------------------------
157 Device Power Management
158 -------------------------------------------------------------------------- */
159int acpi_device_get_power(struct acpi_device *device, int *state);
201b8c65 160int acpi_wakeup_device_init(void);
46ba51ea 161
9ed411c0
RW		 162/* --------------------------------------------------------------------------
163 Processor
164 -------------------------------------------------------------------------- */
46ba51ea 165#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
95272641 166void acpi_early_processor_control_setup(void);
78f16996 167void acpi_early_processor_set_pdc(void);
4c2ba6a0 168#ifdef CONFIG_X86
0a0e2ea6 169void acpi_proc_quirk_mwait_check(void);
4c2ba6a0
RW		 170#else
171static inline void acpi_proc_quirk_mwait_check(void) {}
172#endif
3272a4aa 173bool processor_physically_present(acpi_handle handle);
46ba51ea 174#else
95272641 175static inline void acpi_early_processor_control_setup(void) {}
a2121167
SP		 176#endif
177
f694481b
RW		 178#ifdef CONFIG_ACPI_PROCESSOR_CSTATE
179void acpi_idle_rescan_dead_smt_siblings(void);
180#else
181static inline void acpi_idle_rescan_dead_smt_siblings(void) {}
182#endif
183
e60cc7a6
BH		 184/* --------------------------------------------------------------------------
185 Embedded Controller
186 -------------------------------------------------------------------------- */
c33676aa
RW		 187
188enum acpi_ec_event_state {
189 EC_EVENT_READY = 0, /* Event work can be submitted */
190 EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */
191 EC_EVENT_COMPLETE, /* Event work processing has completed */
192};
193
1195a098
TR		 194struct acpi_ec {
195 acpi_handle handle;
406857f7
DD		 196 int gpe;
197 int irq;
1195a098
TR		 198 unsigned long command_addr;
199 unsigned long data_addr;
621a5f7a 200 bool global_lock;
1195a098 201 unsigned long flags;
9887d22a 202 unsigned long reference_count;
f351d027 203 struct mutex mutex;
1195a098
TR		 204 wait_queue_head_t wait;
205 struct list_head list;
206 struct transaction *curr;
f351d027 207 spinlock_t lock;
74443bbe 208 struct work_struct work;
d8d031a6 209 unsigned long timestamp;
c33676aa 210 enum acpi_ec_event_state event_state;
c793570d 211 unsigned int events_to_process;
4a9af6ca
RW		 212 unsigned int events_in_progress;
213 unsigned int queries_in_progress;
c3a696b6
LZ		 214 bool busy_polling;
215 unsigned int polling_guard;
1195a098
TR		 216};
217
218extern struct acpi_ec *first_ec;
219
b8a0b0d1
R		 220/* If we find an EC via the ECDT, we need to keep a ptr to its context */
221/* External interfaces use first EC only, so remember */
222typedef int (*acpi_ec_query_func) (void *data);
223
a6021aa2
AB		 224#ifdef CONFIG_ACPI_EC
225
98ada3c5 226void acpi_ec_init(void);
fdb3c177
RW		 227void acpi_ec_ecdt_probe(void);
228void acpi_ec_dsdt_probe(void);
fe955682
RW		 229void acpi_ec_block_transactions(void);
230void acpi_ec_unblock_transactions(void);
b8a0b0d1
R		 231int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
232 acpi_handle handle, acpi_ec_query_func func,
233 void *data);
234void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
71bf41b8 235void acpi_ec_register_opregions(struct acpi_device *adev);
b8a0b0d1 236
880a6627
RW		 237#ifdef CONFIG_PM_SLEEP
238void acpi_ec_flush_work(void);
d7589404 239bool acpi_ec_dispatch_gpe(void);
880a6627
RW		 240#endif
241
a6021aa2
AB		 242#else
243
244static inline void acpi_ec_init(void) {}
245static inline void acpi_ec_ecdt_probe(void) {}
246static inline void acpi_ec_dsdt_probe(void) {}
247static inline void acpi_ec_block_transactions(void) {}
248static inline void acpi_ec_unblock_transactions(void) {}
249static inline int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
250 acpi_handle handle, acpi_ec_query_func func,
251 void *data)
252{
253 return -ENXIO;
254}
255static inline void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit) {}
256static inline void acpi_ec_register_opregions(struct acpi_device *adev) {}
257
258static inline void acpi_ec_flush_work(void) {}
259static inline bool acpi_ec_dispatch_gpe(void)
260{
261 return false;
262}
263
264#endif
e60cc7a6
BH		 265
266/*--------------------------------------------------------------------------
267 Suspend/Resume
268 -------------------------------------------------------------------------- */
6e0a0ea1 269#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
33e4f80e 270extern bool acpi_s2idle_wakeup(void);
e60cc7a6 271extern int acpi_sleep_init(void);
6e0a0ea1 272#else
33e4f80e 273static inline bool acpi_s2idle_wakeup(void) { return false; }
6e0a0ea1
GG		 274static inline int acpi_sleep_init(void) { return -ENXIO; }
275#endif
9cee43e0
BH		 276
277#ifdef CONFIG_ACPI_SLEEP
f934c745 278void acpi_sleep_proc_init(void);
976513db
RW		 279int suspend_nvs_alloc(void);
280void suspend_nvs_free(void);
281int suspend_nvs_save(void);
282void suspend_nvs_restore(void);
9cee43e0 283#else
f934c745 284static inline void acpi_sleep_proc_init(void) {}
976513db
RW		 285static inline int suspend_nvs_alloc(void) { return 0; }
286static inline void suspend_nvs_free(void) {}
6fed05c9 287static inline int suspend_nvs_save(void) { return 0; }
976513db 288static inline void suspend_nvs_restore(void) {}
9cee43e0 289#endif
1195a098 290
6485fc18
ML		 291#ifdef CONFIG_X86
292bool force_storage_d3(void);
293#else
294static inline bool force_storage_d3(void)
295{
296 return false;
297}
298#endif
299
ffdcd955
MW		 300/*--------------------------------------------------------------------------
301 Device properties
302 -------------------------------------------------------------------------- */
ee892094
RW		 303#define ACPI_DT_NAMESPACE_HID "PRP0001"
304
ffdcd955
MW		 305void acpi_init_properties(struct acpi_device *adev);
306void acpi_free_properties(struct acpi_device *adev);
307
899596e0
LW		 308#ifdef CONFIG_X86
309void acpi_extract_apple_properties(struct acpi_device *adev);
310#else
311static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
312#endif
313
058dfc76
MW		 314/*--------------------------------------------------------------------------
315 Watchdog
316 -------------------------------------------------------------------------- */
317
318#ifdef CONFIG_ACPI_WATCHDOG
319void acpi_watchdog_init(void);
320#else
321static inline void acpi_watchdog_init(void) {}
322#endif
323
eeb2d80d
SP		 324#ifdef CONFIG_ACPI_LPIT
325void acpi_init_lpit(void);
326#else
327static inline void acpi_init_lpit(void) { }
328#endif
329
bd721b93
RW		 330/*--------------------------------------------------------------------------
331 ACPI _CRS CSI-2 and MIPI DisCo for Imaging
332 -------------------------------------------------------------------------- */
333
334void acpi_mipi_check_crs_csi2(acpi_handle handle);
335void acpi_mipi_scan_crs_csi2(void);
a6cb0a61 336void acpi_mipi_init_crs_csi2_swnodes(void);
bd721b93 337void acpi_mipi_crs_csi2_cleanup(void);
c7be6435 338#ifdef CONFIG_X86
5bd4edbb 339bool acpi_graph_ignore_port(acpi_handle handle);
c7be6435
HG		 340#else
341static inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; }
342#endif
bd721b93 343
1195a098 344#endif /* _ACPI_INTERNAL_H_ */
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