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[mirror_ubuntu-bionic-kernel.git] / drivers / acpi / internal.h
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a192a958
LB		 1/*
2 * acpi/internal.h
3 * For use by Linux/ACPI infrastructure, not drivers
4 *
5 * Copyright (c) 2009, Intel Corporation.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
a192a958
LB		 16 */
17
1195a098
TR		 18#ifndef _ACPI_INTERNAL_H_
19#define _ACPI_INTERNAL_H_
20
a192a958 21#define PREFIX "ACPI: "
e60cc7a6 22
e5f660eb
LZ		 23int early_acpi_osi_init(void);
24int acpi_osi_init(void);
1129c92f 25acpi_status acpi_os_initialize1(void);
c33cab60 26void init_acpi_device_notify(void);
e747f274 27int acpi_scan_init(void);
00c43b96 28void acpi_pci_root_init(void);
4daeaf68 29void acpi_pci_link_init(void);
ac212b69 30void acpi_processor_init(void);
141a297b 31void acpi_platform_init(void);
eec15edb 32void acpi_pnp_init(void);
3230bbfc 33void acpi_int340x_thermal_init(void);
6ce2e188
GG		 34#ifdef CONFIG_ARM_AMBA
35void acpi_amba_init(void);
36#else
37static inline void acpi_amba_init(void) {}
38#endif
1c8fce27 39int acpi_sysfs_init(void);
9c4aa1ee 40void acpi_gpe_apply_masked_gpes(void);
737f1a9f 41void acpi_container_init(void);
cccd4208 42void acpi_memory_hotplug_init(void);
c183619b 43#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
f2ae5da7 44void pci_ioapic_remove(struct acpi_pci_root *root);
c183619b
JL		 45int acpi_ioapic_remove(struct acpi_pci_root *root);
46#else
f2ae5da7 47static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
c183619b
JL		 48static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
49#endif
94add0f8 50#ifdef CONFIG_ACPI_DOCK
1e2380cd
RW		 51void register_dock_dependent_device(struct acpi_device *adev,
52 acpi_handle dshandle);
53int dock_notify(struct acpi_device *adev, u32 event);
54void acpi_dock_add(struct acpi_device *adev);
94add0f8 55#else
1e2380cd
RW		 56static inline void register_dock_dependent_device(struct acpi_device *adev,
57 acpi_handle dshandle) {}
58static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
59static inline void acpi_dock_add(struct acpi_device *adev) {}
94add0f8 60#endif
2fa97feb
LT		 61#ifdef CONFIG_X86
62void acpi_cmos_rtc_init(void);
63#else
64static inline void acpi_cmos_rtc_init(void) {}
65#endif
18d78b64 66int acpi_rev_override_setup(char *str);
e747f274 67
3f8055c3
RW		 68void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
69 const char *name);
70int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
71 const char *hotplug_profile_name);
72void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
73
a25ee920 74#ifdef CONFIG_DEBUG_FS
aecad432 75extern struct dentry *acpi_debugfs_dir;
10742619 76void acpi_debugfs_init(void);
a25ee920 77#else
aecad432 78static inline void acpi_debugfs_init(void) { return; }
a25ee920 79#endif
f58b082a 80void acpi_lpss_init(void);
a25ee920 81
92082a88
KX		 82void acpi_apd_init(void);
83
1e3bcb59 84acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
d783156e 85bool acpi_queue_hotplug_work(struct work_struct *work);
1e3bcb59 86void acpi_device_hotplug(struct acpi_device *adev, u32 src);
caa73ea1 87bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
d783156e 88
68bdb677
OP		 89acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
90void acpi_scan_table_handler(u32 event, void *table, void *context);
91
82c7d5ef
RW		 92/* --------------------------------------------------------------------------
93 Device Node Initialization / Removal
94 -------------------------------------------------------------------------- */
95#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
96 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
97
2d12b6b3
LW		 98extern struct list_head acpi_bus_id_list;
99
edc345d8 100struct acpi_device_bus_id {
2d12b6b3
LW		 101 char bus_id[15];
102 unsigned int instance_no;
103 struct list_head node;
104};
105
cf860be6
RW		 106int acpi_device_add(struct acpi_device *device,
107 void (*release)(struct device *));
82c7d5ef
RW		 108void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
109 int type, unsigned long long sta);
c2efefb3
RW		 110int acpi_device_setup_files(struct acpi_device *dev);
111void acpi_device_remove_files(struct acpi_device *dev);
cf860be6 112void acpi_device_add_finalize(struct acpi_device *device);
c0af4175 113void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
cde1f95f 114bool acpi_device_is_present(const struct acpi_device *adev);
b43109fa 115bool acpi_device_is_battery(struct acpi_device *adev);
712e960f
MW		 116bool acpi_device_is_first_physical_node(struct acpi_device *adev,
117 const struct device *dev);
a64a62ce 118int acpi_bus_register_early_device(int type);
82c7d5ef 119
c2efefb3
RW		 120/* --------------------------------------------------------------------------
121 Device Matching and Notification
122 -------------------------------------------------------------------------- */
123struct acpi_device *acpi_companion_match(const struct device *dev);
124int __acpi_device_uevent_modalias(struct acpi_device *adev,
125 struct kobj_uevent_env *env);
126
e60cc7a6
BH		 127/* --------------------------------------------------------------------------
128 Power Resource
129 -------------------------------------------------------------------------- */
44515374 130int acpi_power_init(void);
0b224527 131void acpi_power_resources_list_free(struct list_head *list);
e88c9c60
RW		 132int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
133 struct list_head *list);
134int acpi_add_power_resource(acpi_handle handle);
bc9b6407 135void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
b5d667eb 136int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
e60cc7a6
BH		 137int acpi_device_sleep_wake(struct acpi_device *dev,
138 int enable, int sleep_state, int dev_state);
32a00d27 139int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
30d3df41 140int acpi_power_on_resources(struct acpi_device *device, int state);
e60cc7a6 141int acpi_power_transition(struct acpi_device *device, int state);
e60cc7a6 142
201b8c65 143int acpi_wakeup_device_init(void);
46ba51ea
HG		 144
145#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
78f16996 146void acpi_early_processor_set_pdc(void);
46ba51ea
HG		 147#else
148static inline void acpi_early_processor_set_pdc(void) {}
149#endif
201b8c65 150
a2121167
SP		 151#ifdef CONFIG_X86
152void acpi_early_processor_osc(void);
153#else
154static inline void acpi_early_processor_osc(void) {}
155#endif
156
e60cc7a6
BH		 157/* --------------------------------------------------------------------------
158 Embedded Controller
159 -------------------------------------------------------------------------- */
1195a098
TR		 160struct acpi_ec {
161 acpi_handle handle;
162 unsigned long gpe;
163 unsigned long command_addr;
164 unsigned long data_addr;
621a5f7a 165 bool global_lock;
1195a098 166 unsigned long flags;
9887d22a 167 unsigned long reference_count;
f351d027 168 struct mutex mutex;
1195a098
TR		 169 wait_queue_head_t wait;
170 struct list_head list;
171 struct transaction *curr;
f351d027 172 spinlock_t lock;
74443bbe 173 struct work_struct work;
d8d031a6 174 unsigned long timestamp;
9d8993be 175 unsigned long nr_pending_queries;
c3a696b6
LZ		 176 bool busy_polling;
177 unsigned int polling_guard;
1195a098
TR		 178};
179
180extern struct acpi_ec *first_ec;
181
b8a0b0d1
R		 182/* If we find an EC via the ECDT, we need to keep a ptr to its context */
183/* External interfaces use first EC only, so remember */
184typedef int (*acpi_ec_query_func) (void *data);
185
a5f820fe 186int acpi_ec_init(void);
e60cc7a6 187int acpi_ec_ecdt_probe(void);
dcf15cbd 188int acpi_ec_dsdt_probe(void);
fe955682
RW		 189void acpi_ec_block_transactions(void);
190void acpi_ec_unblock_transactions(void);
b8a0b0d1
R		 191int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
192 acpi_handle handle, acpi_ec_query_func func,
193 void *data);
194void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
195
880a6627
RW		 196#ifdef CONFIG_PM_SLEEP
197void acpi_ec_flush_work(void);
198#endif
199
e60cc7a6
BH		 200
201/*--------------------------------------------------------------------------
202 Suspend/Resume
203 -------------------------------------------------------------------------- */
6e0a0ea1 204#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
33e4f80e 205extern bool acpi_s2idle_wakeup(void);
8110dd28 206extern bool acpi_sleep_no_ec_events(void);
e60cc7a6 207extern int acpi_sleep_init(void);
6e0a0ea1 208#else
33e4f80e 209static inline bool acpi_s2idle_wakeup(void) { return false; }
8110dd28 210static inline bool acpi_sleep_no_ec_events(void) { return true; }
6e0a0ea1
GG		 211static inline int acpi_sleep_init(void) { return -ENXIO; }
212#endif
9cee43e0
BH		 213
214#ifdef CONFIG_ACPI_SLEEP
f934c745 215void acpi_sleep_proc_init(void);
976513db
RW		 216int suspend_nvs_alloc(void);
217void suspend_nvs_free(void);
218int suspend_nvs_save(void);
219void suspend_nvs_restore(void);
9cee43e0 220#else
f934c745 221static inline void acpi_sleep_proc_init(void) {}
976513db
RW		 222static inline int suspend_nvs_alloc(void) { return 0; }
223static inline void suspend_nvs_free(void) {}
6fed05c9 224static inline int suspend_nvs_save(void) { return 0; }
976513db 225static inline void suspend_nvs_restore(void) {}
9cee43e0 226#endif
1195a098 227
ffdcd955
MW		 228/*--------------------------------------------------------------------------
229 Device properties
230 -------------------------------------------------------------------------- */
ee892094
RW		 231#define ACPI_DT_NAMESPACE_HID "PRP0001"
232
ffdcd955
MW		 233void acpi_init_properties(struct acpi_device *adev);
234void acpi_free_properties(struct acpi_device *adev);
235
899596e0
LW		 236#ifdef CONFIG_X86
237void acpi_extract_apple_properties(struct acpi_device *adev);
238#else
239static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
240#endif
241
058dfc76
MW		 242/*--------------------------------------------------------------------------
243 Watchdog
244 -------------------------------------------------------------------------- */
245
246#ifdef CONFIG_ACPI_WATCHDOG
247void acpi_watchdog_init(void);
248#else
249static inline void acpi_watchdog_init(void) {}
250#endif
251
eeb2d80d
SP		 252#ifdef CONFIG_ACPI_LPIT
253void acpi_init_lpit(void);
254#else
255static inline void acpi_init_lpit(void) { }
256#endif
257
1195a098 258#endif /* _ACPI_INTERNAL_H_ */
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