Commit | Line | Data |
---|---|---|
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 |
14 | extern struct acpi_device *acpi_root; |
15 | ||
e5f660eb LZ |
16 | int early_acpi_osi_init(void); |
17 | int acpi_osi_init(void); | |
1129c92f | 18 | acpi_status acpi_os_initialize1(void); |
b6c55b16 | 19 | void acpi_scan_init(void); |
5d32a665 | 20 | #ifdef CONFIG_PCI |
00c43b96 | 21 | void acpi_pci_root_init(void); |
4daeaf68 | 22 | void acpi_pci_link_init(void); |
5d32a665 SK |
23 | #else |
24 | static inline void acpi_pci_root_init(void) {} | |
25 | static inline void acpi_pci_link_init(void) {} | |
26 | #endif | |
ac212b69 | 27 | void acpi_processor_init(void); |
141a297b | 28 | void acpi_platform_init(void); |
eec15edb | 29 | void acpi_pnp_init(void); |
3230bbfc | 30 | void acpi_int340x_thermal_init(void); |
1c8fce27 | 31 | int acpi_sysfs_init(void); |
9c4aa1ee | 32 | void acpi_gpe_apply_masked_gpes(void); |
737f1a9f | 33 | void acpi_container_init(void); |
cccd4208 | 34 | void acpi_memory_hotplug_init(void); |
c183619b | 35 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
f2ae5da7 | 36 | void pci_ioapic_remove(struct acpi_pci_root *root); |
c183619b JL |
37 | int acpi_ioapic_remove(struct acpi_pci_root *root); |
38 | #else | |
f2ae5da7 | 39 | static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; } |
c183619b JL |
40 | static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } |
41 | #endif | |
94add0f8 | 42 | #ifdef CONFIG_ACPI_DOCK |
1e2380cd RW |
43 | void register_dock_dependent_device(struct acpi_device *adev, |
44 | acpi_handle dshandle); | |
45 | int dock_notify(struct acpi_device *adev, u32 event); | |
46 | void acpi_dock_add(struct acpi_device *adev); | |
94add0f8 | 47 | #else |
1e2380cd RW |
48 | static inline void register_dock_dependent_device(struct acpi_device *adev, |
49 | acpi_handle dshandle) {} | |
50 | static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } | |
51 | static inline void acpi_dock_add(struct acpi_device *adev) {} | |
94add0f8 | 52 | #endif |
2fa97feb LT |
53 | #ifdef CONFIG_X86 |
54 | void acpi_cmos_rtc_init(void); | |
55 | #else | |
56 | static inline void acpi_cmos_rtc_init(void) {} | |
57 | #endif | |
18d78b64 | 58 | int acpi_rev_override_setup(char *str); |
e747f274 | 59 | |
3f8055c3 RW |
60 | void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, |
61 | const char *name); | |
62 | int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, | |
63 | const char *hotplug_profile_name); | |
64 | void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); | |
65 | ||
a25ee920 | 66 | #ifdef CONFIG_DEBUG_FS |
aecad432 | 67 | extern struct dentry *acpi_debugfs_dir; |
10742619 | 68 | void acpi_debugfs_init(void); |
a25ee920 | 69 | #else |
aecad432 | 70 | static inline void acpi_debugfs_init(void) { return; } |
a25ee920 | 71 | #endif |
2d5d5abe AS |
72 | |
73 | #if defined(CONFIG_X86) && defined(CONFIG_PCI) | |
f58b082a | 74 | void acpi_lpss_init(void); |
16227455 SK |
75 | #else |
76 | static inline void acpi_lpss_init(void) {} | |
77 | #endif | |
a25ee920 | 78 | |
92082a88 KX |
79 | void acpi_apd_init(void); |
80 | ||
1e3bcb59 | 81 | acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); |
d783156e | 82 | bool acpi_queue_hotplug_work(struct work_struct *work); |
1e3bcb59 | 83 | void acpi_device_hotplug(struct acpi_device *adev, u32 src); |
caa73ea1 | 84 | bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); |
d783156e | 85 | |
68bdb677 | 86 | acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context); |
8d287e82 | 87 | void acpi_scan_table_notify(void); |
68bdb677 | 88 | |
9c864722 RW |
89 | int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); |
90 | int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); | |
91 | int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); | |
92 | int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); | |
93 | ||
310293a2 SST |
94 | #ifdef CONFIG_ARM64 |
95 | int acpi_arch_thermal_cpufreq_pctg(void); | |
96 | #else | |
97 | static 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 |
109 | extern struct list_head acpi_bus_id_list; |
110 | ||
edc345d8 | 111 | struct 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 | 117 | void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, |
5c5e1237 | 118 | int type, void (*release)(struct device *)); |
6e1850b2 | 119 | int acpi_tie_acpi_dev(struct acpi_device *adev); |
5c5e1237 | 120 | int acpi_device_add(struct acpi_device *device); |
c2efefb3 RW |
121 | int acpi_device_setup_files(struct acpi_device *dev); |
122 | void acpi_device_remove_files(struct acpi_device *dev); | |
cf860be6 | 123 | void acpi_device_add_finalize(struct acpi_device *device); |
c0af4175 | 124 | void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); |
1b4f02a3 | 125 | bool acpi_device_is_enabled(const struct acpi_device *adev); |
cde1f95f | 126 | bool acpi_device_is_present(const struct acpi_device *adev); |
b43109fa | 127 | bool acpi_device_is_battery(struct acpi_device *adev); |
712e960f MW |
128 | bool acpi_device_is_first_physical_node(struct acpi_device *adev, |
129 | const struct device *dev); | |
a64a62ce | 130 | int acpi_bus_register_early_device(int type); |
82c7d5ef | 131 | |
c2efefb3 RW |
132 | /* -------------------------------------------------------------------------- |
133 | Device Matching and Notification | |
134 | -------------------------------------------------------------------------- */ | |
86fca926 | 135 | const struct acpi_device *acpi_companion_match(const struct device *dev); |
162736b0 | 136 | int __acpi_device_uevent_modalias(const struct acpi_device *adev, |
c2efefb3 RW |
137 | struct kobj_uevent_env *env); |
138 | ||
e60cc7a6 BH |
139 | /* -------------------------------------------------------------------------- |
140 | Power Resource | |
141 | -------------------------------------------------------------------------- */ | |
0b224527 | 142 | void acpi_power_resources_list_free(struct list_head *list); |
e88c9c60 RW |
143 | int acpi_extract_power_resources(union acpi_object *package, unsigned int start, |
144 | struct list_head *list); | |
9b7ff25d | 145 | struct acpi_device *acpi_add_power_resource(acpi_handle handle); |
bc9b6407 | 146 | void acpi_power_add_remove_device(struct acpi_device *adev, bool add); |
b5d667eb | 147 | int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); |
e60cc7a6 | 148 | int acpi_device_sleep_wake(struct acpi_device *dev, |
c6237b21 | 149 | int enable, int sleep_state, int dev_state); |
32a00d27 | 150 | int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
30d3df41 | 151 | int acpi_power_on_resources(struct acpi_device *device, int state); |
e60cc7a6 | 152 | int acpi_power_transition(struct acpi_device *device, int state); |
6381195a | 153 | void acpi_turn_off_unused_power_resources(void); |
e60cc7a6 | 154 | |
9ed411c0 RW |
155 | /* -------------------------------------------------------------------------- |
156 | Device Power Management | |
157 | -------------------------------------------------------------------------- */ | |
158 | int acpi_device_get_power(struct acpi_device *device, int *state); | |
201b8c65 | 159 | int acpi_wakeup_device_init(void); |
46ba51ea | 160 | |
9ed411c0 RW |
161 | /* -------------------------------------------------------------------------- |
162 | Processor | |
163 | -------------------------------------------------------------------------- */ | |
46ba51ea | 164 | #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC |
95272641 | 165 | void acpi_early_processor_control_setup(void); |
78f16996 | 166 | void acpi_early_processor_set_pdc(void); |
4c2ba6a0 | 167 | #ifdef CONFIG_X86 |
0a0e2ea6 | 168 | void acpi_proc_quirk_mwait_check(void); |
4c2ba6a0 RW |
169 | #else |
170 | static inline void acpi_proc_quirk_mwait_check(void) {} | |
171 | #endif | |
3272a4aa | 172 | bool processor_physically_present(acpi_handle handle); |
46ba51ea | 173 | #else |
95272641 | 174 | static inline void acpi_early_processor_control_setup(void) {} |
a2121167 SP |
175 | #endif |
176 | ||
e60cc7a6 BH |
177 | /* -------------------------------------------------------------------------- |
178 | Embedded Controller | |
179 | -------------------------------------------------------------------------- */ | |
c33676aa RW |
180 | |
181 | enum acpi_ec_event_state { | |
182 | EC_EVENT_READY = 0, /* Event work can be submitted */ | |
183 | EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */ | |
184 | EC_EVENT_COMPLETE, /* Event work processing has completed */ | |
185 | }; | |
186 | ||
1195a098 TR |
187 | struct acpi_ec { |
188 | acpi_handle handle; | |
a5072078 | 189 | acpi_handle address_space_handler_holder; |
406857f7 DD |
190 | int gpe; |
191 | int irq; | |
1195a098 TR |
192 | unsigned long command_addr; |
193 | unsigned long data_addr; | |
621a5f7a | 194 | bool global_lock; |
1195a098 | 195 | unsigned long flags; |
9887d22a | 196 | unsigned long reference_count; |
f351d027 | 197 | struct mutex mutex; |
1195a098 TR |
198 | wait_queue_head_t wait; |
199 | struct list_head list; | |
200 | struct transaction *curr; | |
f351d027 | 201 | spinlock_t lock; |
74443bbe | 202 | struct work_struct work; |
d8d031a6 | 203 | unsigned long timestamp; |
c33676aa | 204 | enum acpi_ec_event_state event_state; |
c793570d | 205 | unsigned int events_to_process; |
4a9af6ca RW |
206 | unsigned int events_in_progress; |
207 | unsigned int queries_in_progress; | |
c3a696b6 LZ |
208 | bool busy_polling; |
209 | unsigned int polling_guard; | |
1195a098 TR |
210 | }; |
211 | ||
212 | extern struct acpi_ec *first_ec; | |
213 | ||
b8a0b0d1 R |
214 | /* If we find an EC via the ECDT, we need to keep a ptr to its context */ |
215 | /* External interfaces use first EC only, so remember */ | |
216 | typedef int (*acpi_ec_query_func) (void *data); | |
217 | ||
98ada3c5 | 218 | void acpi_ec_init(void); |
fdb3c177 RW |
219 | void acpi_ec_ecdt_probe(void); |
220 | void acpi_ec_dsdt_probe(void); | |
fe955682 RW |
221 | void acpi_ec_block_transactions(void); |
222 | void acpi_ec_unblock_transactions(void); | |
b8a0b0d1 R |
223 | int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, |
224 | acpi_handle handle, acpi_ec_query_func func, | |
225 | void *data); | |
226 | void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); | |
227 | ||
880a6627 RW |
228 | #ifdef CONFIG_PM_SLEEP |
229 | void acpi_ec_flush_work(void); | |
d7589404 | 230 | bool acpi_ec_dispatch_gpe(void); |
880a6627 RW |
231 | #endif |
232 | ||
e60cc7a6 BH |
233 | |
234 | /*-------------------------------------------------------------------------- | |
235 | Suspend/Resume | |
236 | -------------------------------------------------------------------------- */ | |
6e0a0ea1 | 237 | #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT |
33e4f80e | 238 | extern bool acpi_s2idle_wakeup(void); |
e60cc7a6 | 239 | extern int acpi_sleep_init(void); |
6e0a0ea1 | 240 | #else |
33e4f80e | 241 | static inline bool acpi_s2idle_wakeup(void) { return false; } |
6e0a0ea1 GG |
242 | static inline int acpi_sleep_init(void) { return -ENXIO; } |
243 | #endif | |
9cee43e0 BH |
244 | |
245 | #ifdef CONFIG_ACPI_SLEEP | |
f934c745 | 246 | void acpi_sleep_proc_init(void); |
976513db RW |
247 | int suspend_nvs_alloc(void); |
248 | void suspend_nvs_free(void); | |
249 | int suspend_nvs_save(void); | |
250 | void suspend_nvs_restore(void); | |
9cee43e0 | 251 | #else |
f934c745 | 252 | static inline void acpi_sleep_proc_init(void) {} |
976513db RW |
253 | static inline int suspend_nvs_alloc(void) { return 0; } |
254 | static inline void suspend_nvs_free(void) {} | |
6fed05c9 | 255 | static inline int suspend_nvs_save(void) { return 0; } |
976513db | 256 | static inline void suspend_nvs_restore(void) {} |
9cee43e0 | 257 | #endif |
1195a098 | 258 | |
6485fc18 ML |
259 | #ifdef CONFIG_X86 |
260 | bool force_storage_d3(void); | |
261 | #else | |
262 | static inline bool force_storage_d3(void) | |
263 | { | |
264 | return false; | |
265 | } | |
266 | #endif | |
267 | ||
ffdcd955 MW |
268 | /*-------------------------------------------------------------------------- |
269 | Device properties | |
270 | -------------------------------------------------------------------------- */ | |
ee892094 RW |
271 | #define ACPI_DT_NAMESPACE_HID "PRP0001" |
272 | ||
ffdcd955 MW |
273 | void acpi_init_properties(struct acpi_device *adev); |
274 | void acpi_free_properties(struct acpi_device *adev); | |
275 | ||
899596e0 LW |
276 | #ifdef CONFIG_X86 |
277 | void acpi_extract_apple_properties(struct acpi_device *adev); | |
278 | #else | |
279 | static inline void acpi_extract_apple_properties(struct acpi_device *adev) {} | |
280 | #endif | |
281 | ||
058dfc76 MW |
282 | /*-------------------------------------------------------------------------- |
283 | Watchdog | |
284 | -------------------------------------------------------------------------- */ | |
285 | ||
286 | #ifdef CONFIG_ACPI_WATCHDOG | |
287 | void acpi_watchdog_init(void); | |
288 | #else | |
289 | static inline void acpi_watchdog_init(void) {} | |
290 | #endif | |
291 | ||
eeb2d80d SP |
292 | #ifdef CONFIG_ACPI_LPIT |
293 | void acpi_init_lpit(void); | |
294 | #else | |
295 | static inline void acpi_init_lpit(void) { } | |
296 | #endif | |
297 | ||
bd721b93 RW |
298 | /*-------------------------------------------------------------------------- |
299 | ACPI _CRS CSI-2 and MIPI DisCo for Imaging | |
300 | -------------------------------------------------------------------------- */ | |
301 | ||
302 | void acpi_mipi_check_crs_csi2(acpi_handle handle); | |
303 | void acpi_mipi_scan_crs_csi2(void); | |
a6cb0a61 | 304 | void acpi_mipi_init_crs_csi2_swnodes(void); |
bd721b93 | 305 | void acpi_mipi_crs_csi2_cleanup(void); |
5bd4edbb | 306 | bool acpi_graph_ignore_port(acpi_handle handle); |
bd721b93 | 307 | |
1195a098 | 308 | #endif /* _ACPI_INTERNAL_H_ */ |