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Merge tag 'for-linus-2021-01-24' of git://git.kernel.org/pub/scm/linux/kernel/git...
[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
a192a958 12#define PREFIX "ACPI: "
e60cc7a6 13
e5f660eb
LZ		 14int early_acpi_osi_init(void);
15int acpi_osi_init(void);
1129c92f 16acpi_status acpi_os_initialize1(void);
e747f274 17int acpi_scan_init(void);
5d32a665 18#ifdef CONFIG_PCI
00c43b96 19void acpi_pci_root_init(void);
4daeaf68 20void acpi_pci_link_init(void);
5d32a665
SK		 21#else
22static inline void acpi_pci_root_init(void) {}
23static inline void acpi_pci_link_init(void) {}
24#endif
ac212b69 25void acpi_processor_init(void);
141a297b 26void acpi_platform_init(void);
eec15edb 27void acpi_pnp_init(void);
3230bbfc 28void acpi_int340x_thermal_init(void);
6ce2e188
GG		 29#ifdef CONFIG_ARM_AMBA
30void acpi_amba_init(void);
31#else
32static inline void acpi_amba_init(void) {}
33#endif
1c8fce27 34int acpi_sysfs_init(void);
9c4aa1ee 35void acpi_gpe_apply_masked_gpes(void);
737f1a9f 36void acpi_container_init(void);
cccd4208 37void acpi_memory_hotplug_init(void);
c183619b 38#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
f2ae5da7 39void pci_ioapic_remove(struct acpi_pci_root *root);
c183619b
JL		 40int acpi_ioapic_remove(struct acpi_pci_root *root);
41#else
f2ae5da7 42static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
c183619b
JL		 43static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
44#endif
94add0f8 45#ifdef CONFIG_ACPI_DOCK
1e2380cd
RW		 46void register_dock_dependent_device(struct acpi_device *adev,
47 acpi_handle dshandle);
48int dock_notify(struct acpi_device *adev, u32 event);
49void acpi_dock_add(struct acpi_device *adev);
94add0f8 50#else
1e2380cd
RW		 51static inline void register_dock_dependent_device(struct acpi_device *adev,
52 acpi_handle dshandle) {}
53static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
54static inline void acpi_dock_add(struct acpi_device *adev) {}
94add0f8 55#endif
2fa97feb
LT		 56#ifdef CONFIG_X86
57void acpi_cmos_rtc_init(void);
58#else
59static inline void acpi_cmos_rtc_init(void) {}
60#endif
18d78b64 61int acpi_rev_override_setup(char *str);
e747f274 62
3f8055c3
RW		 63void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
64 const char *name);
65int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
66 const char *hotplug_profile_name);
67void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
68
a25ee920 69#ifdef CONFIG_DEBUG_FS
aecad432 70extern struct dentry *acpi_debugfs_dir;
10742619 71void acpi_debugfs_init(void);
a25ee920 72#else
aecad432 73static inline void acpi_debugfs_init(void) { return; }
a25ee920 74#endif
16227455 75#ifdef CONFIG_PCI
f58b082a 76void acpi_lpss_init(void);
16227455
SK		 77#else
78static inline void acpi_lpss_init(void) {}
79#endif
a25ee920 80
92082a88
KX		 81void acpi_apd_init(void);
82
1e3bcb59 83acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
d783156e 84bool acpi_queue_hotplug_work(struct work_struct *work);
1e3bcb59 85void acpi_device_hotplug(struct acpi_device *adev, u32 src);
caa73ea1 86bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
d783156e 87
68bdb677
OP		 88acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
89void acpi_scan_table_handler(u32 event, void *table, void *context);
90
82c7d5ef
RW		 91/* --------------------------------------------------------------------------
92 Device Node Initialization / Removal
93 -------------------------------------------------------------------------- */
94#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
95 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
96
2d12b6b3
LW		 97extern struct list_head acpi_bus_id_list;
98
edc345d8 99struct acpi_device_bus_id {
a58015d6 100 const char *bus_id;
2d12b6b3
LW		 101 unsigned int instance_no;
102 struct list_head node;
103};
104
cf860be6
RW		 105int acpi_device_add(struct acpi_device *device,
106 void (*release)(struct device *));
82c7d5ef 107void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
6091b263
HG		 108 int type, unsigned long long sta,
109 struct acpi_device_info *info);
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 137int acpi_device_sleep_wake(struct acpi_device *dev,
c6237b21 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
9ed411c0
RW		 143/* --------------------------------------------------------------------------
144 Device Power Management
145 -------------------------------------------------------------------------- */
146int acpi_device_get_power(struct acpi_device *device, int *state);
201b8c65 147int acpi_wakeup_device_init(void);
46ba51ea 148
9ed411c0
RW		 149/* --------------------------------------------------------------------------
150 Processor
151 -------------------------------------------------------------------------- */
46ba51ea 152#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
78f16996 153void acpi_early_processor_set_pdc(void);
46ba51ea
HG		 154#else
155static inline void acpi_early_processor_set_pdc(void) {}
156#endif
201b8c65 157
a2121167
SP		 158#ifdef CONFIG_X86
159void acpi_early_processor_osc(void);
160#else
161static inline void acpi_early_processor_osc(void) {}
162#endif
163
e60cc7a6
BH		 164/* --------------------------------------------------------------------------
165 Embedded Controller
166 -------------------------------------------------------------------------- */
1195a098
TR		 167struct acpi_ec {
168 acpi_handle handle;
406857f7
DD		 169 int gpe;
170 int irq;
1195a098
TR		 171 unsigned long command_addr;
172 unsigned long data_addr;
621a5f7a 173 bool global_lock;
1195a098 174 unsigned long flags;
9887d22a 175 unsigned long reference_count;
f351d027 176 struct mutex mutex;
1195a098
TR		 177 wait_queue_head_t wait;
178 struct list_head list;
179 struct transaction *curr;
f351d027 180 spinlock_t lock;
74443bbe 181 struct work_struct work;
d8d031a6 182 unsigned long timestamp;
9d8993be 183 unsigned long nr_pending_queries;
c3a696b6
LZ		 184 bool busy_polling;
185 unsigned int polling_guard;
1195a098
TR		 186};
187
188extern struct acpi_ec *first_ec;
189
b8a0b0d1
R		 190/* If we find an EC via the ECDT, we need to keep a ptr to its context */
191/* External interfaces use first EC only, so remember */
192typedef int (*acpi_ec_query_func) (void *data);
193
98ada3c5 194void acpi_ec_init(void);
fdb3c177
RW		 195void acpi_ec_ecdt_probe(void);
196void acpi_ec_dsdt_probe(void);
fe955682
RW		 197void acpi_ec_block_transactions(void);
198void acpi_ec_unblock_transactions(void);
b8a0b0d1
R		 199int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
200 acpi_handle handle, acpi_ec_query_func func,
201 void *data);
202void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
203
880a6627
RW		 204#ifdef CONFIG_PM_SLEEP
205void acpi_ec_flush_work(void);
d7589404 206bool acpi_ec_dispatch_gpe(void);
880a6627
RW		 207#endif
208
e60cc7a6
BH		 209
210/*--------------------------------------------------------------------------
211 Suspend/Resume
212 -------------------------------------------------------------------------- */
6e0a0ea1 213#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
33e4f80e 214extern bool acpi_s2idle_wakeup(void);
e60cc7a6 215extern int acpi_sleep_init(void);
6e0a0ea1 216#else
33e4f80e 217static inline bool acpi_s2idle_wakeup(void) { return false; }
6e0a0ea1
GG		 218static inline int acpi_sleep_init(void) { return -ENXIO; }
219#endif
9cee43e0
BH		 220
221#ifdef CONFIG_ACPI_SLEEP
f934c745 222void acpi_sleep_proc_init(void);
976513db
RW		 223int suspend_nvs_alloc(void);
224void suspend_nvs_free(void);
225int suspend_nvs_save(void);
226void suspend_nvs_restore(void);
9cee43e0 227#else
f934c745 228static inline void acpi_sleep_proc_init(void) {}
976513db
RW		 229static inline int suspend_nvs_alloc(void) { return 0; }
230static inline void suspend_nvs_free(void) {}
6fed05c9 231static inline int suspend_nvs_save(void) { return 0; }
976513db 232static inline void suspend_nvs_restore(void) {}
9cee43e0 233#endif
1195a098 234
ffdcd955
MW		 235/*--------------------------------------------------------------------------
236 Device properties
237 -------------------------------------------------------------------------- */
ee892094
RW		 238#define ACPI_DT_NAMESPACE_HID "PRP0001"
239
ffdcd955
MW		 240void acpi_init_properties(struct acpi_device *adev);
241void acpi_free_properties(struct acpi_device *adev);
242
899596e0
LW		 243#ifdef CONFIG_X86
244void acpi_extract_apple_properties(struct acpi_device *adev);
245#else
246static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
247#endif
248
058dfc76
MW		 249/*--------------------------------------------------------------------------
250 Watchdog
251 -------------------------------------------------------------------------- */
252
253#ifdef CONFIG_ACPI_WATCHDOG
254void acpi_watchdog_init(void);
255#else
256static inline void acpi_watchdog_init(void) {}
257#endif
258
eeb2d80d
SP		 259#ifdef CONFIG_ACPI_LPIT
260void acpi_init_lpit(void);
261#else
262static inline void acpi_init_lpit(void) { }
263#endif
264
1195a098 265#endif /* _ACPI_INTERNAL_H_ */
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