1 /* SPDX-License-Identifier: GPL-2.0-only */
4 * For use by Linux/ACPI infrastructure, not drivers
6 * Copyright (c) 2009, Intel Corporation.
9 #ifndef _ACPI_INTERNAL_H_
10 #define _ACPI_INTERNAL_H_
12 #include <linux/idr.h>
14 int early_acpi_osi_init(void);
15 int acpi_osi_init(void);
16 acpi_status acpi_os_initialize1(void);
17 int acpi_scan_init(void);
19 void acpi_pci_root_init(void);
20 void acpi_pci_link_init(void);
22 static inline void acpi_pci_root_init(void) {}
23 static inline void acpi_pci_link_init(void) {}
25 void acpi_processor_init(void);
26 void acpi_platform_init(void);
27 void acpi_pnp_init(void);
28 void acpi_int340x_thermal_init(void);
29 #ifdef CONFIG_ARM_AMBA
30 void acpi_amba_init(void);
32 static inline void acpi_amba_init(void) {}
34 int acpi_sysfs_init(void);
35 void acpi_gpe_apply_masked_gpes(void);
36 void acpi_container_init(void);
37 void acpi_memory_hotplug_init(void);
38 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
39 void pci_ioapic_remove(struct acpi_pci_root *root);
40 int acpi_ioapic_remove(struct acpi_pci_root *root);
42 static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
43 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
45 #ifdef CONFIG_ACPI_DOCK
46 void register_dock_dependent_device(struct acpi_device *adev,
47 acpi_handle dshandle);
48 int dock_notify(struct acpi_device *adev, u32 event);
49 void acpi_dock_add(struct acpi_device *adev);
51 static inline void register_dock_dependent_device(struct acpi_device *adev,
52 acpi_handle dshandle) {}
53 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
54 static inline void acpi_dock_add(struct acpi_device *adev) {}
57 void acpi_cmos_rtc_init(void);
59 static inline void acpi_cmos_rtc_init(void) {}
61 int acpi_rev_override_setup(char *str);
63 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
65 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
66 const char *hotplug_profile_name);
67 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
69 #ifdef CONFIG_DEBUG_FS
70 extern struct dentry *acpi_debugfs_dir;
71 void acpi_debugfs_init(void);
73 static inline void acpi_debugfs_init(void) { return; }
76 void acpi_lpss_init(void);
78 static inline void acpi_lpss_init(void) {}
81 void acpi_apd_init(void);
83 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
84 bool acpi_queue_hotplug_work(struct work_struct *work);
85 void acpi_device_hotplug(struct acpi_device *adev, u32 src);
86 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
88 acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
89 void acpi_scan_table_notify(void);
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)
97 extern struct list_head acpi_bus_id_list;
99 #define ACPI_MAX_DEVICE_INSTANCES 4096
101 struct acpi_device_bus_id {
103 struct ida instance_ida;
104 struct list_head node;
107 int acpi_device_add(struct acpi_device *device,
108 void (*release)(struct device *));
109 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
111 int acpi_device_setup_files(struct acpi_device *dev);
112 void acpi_device_remove_files(struct acpi_device *dev);
113 void acpi_device_add_finalize(struct acpi_device *device);
114 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
115 bool acpi_device_is_present(const struct acpi_device *adev);
116 bool acpi_device_is_battery(struct acpi_device *adev);
117 bool acpi_device_is_first_physical_node(struct acpi_device *adev,
118 const struct device *dev);
119 int acpi_bus_register_early_device(int type);
121 /* --------------------------------------------------------------------------
122 Device Matching and Notification
123 -------------------------------------------------------------------------- */
124 struct acpi_device *acpi_companion_match(const struct device *dev);
125 int __acpi_device_uevent_modalias(struct acpi_device *adev,
126 struct kobj_uevent_env *env);
128 /* --------------------------------------------------------------------------
130 -------------------------------------------------------------------------- */
131 int acpi_power_init(void);
132 void acpi_power_resources_list_free(struct list_head *list);
133 int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
134 struct list_head *list);
135 struct acpi_device *acpi_add_power_resource(acpi_handle handle);
136 void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
137 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
138 int acpi_device_sleep_wake(struct acpi_device *dev,
139 int enable, int sleep_state, int dev_state);
140 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
141 int acpi_power_on_resources(struct acpi_device *device, int state);
142 int acpi_power_transition(struct acpi_device *device, int state);
143 void acpi_turn_off_unused_power_resources(void);
145 /* --------------------------------------------------------------------------
146 Device Power Management
147 -------------------------------------------------------------------------- */
148 int acpi_device_get_power(struct acpi_device *device, int *state);
149 int acpi_wakeup_device_init(void);
151 /* --------------------------------------------------------------------------
153 -------------------------------------------------------------------------- */
154 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
155 void acpi_early_processor_set_pdc(void);
157 static inline void acpi_early_processor_set_pdc(void) {}
161 void acpi_early_processor_osc(void);
163 static inline void acpi_early_processor_osc(void) {}
166 /* --------------------------------------------------------------------------
168 -------------------------------------------------------------------------- */
173 unsigned long command_addr;
174 unsigned long data_addr;
177 unsigned long reference_count;
179 wait_queue_head_t wait;
180 struct list_head list;
181 struct transaction *curr;
183 struct work_struct work;
184 unsigned long timestamp;
185 unsigned long nr_pending_queries;
187 unsigned int polling_guard;
190 extern struct acpi_ec *first_ec;
192 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
193 /* External interfaces use first EC only, so remember */
194 typedef int (*acpi_ec_query_func) (void *data);
196 void acpi_ec_init(void);
197 void acpi_ec_ecdt_probe(void);
198 void acpi_ec_dsdt_probe(void);
199 void acpi_ec_block_transactions(void);
200 void acpi_ec_unblock_transactions(void);
201 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
202 acpi_handle handle, acpi_ec_query_func func,
204 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
206 #ifdef CONFIG_PM_SLEEP
207 void acpi_ec_flush_work(void);
208 bool acpi_ec_dispatch_gpe(void);
212 /*--------------------------------------------------------------------------
214 -------------------------------------------------------------------------- */
215 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
216 extern bool acpi_s2idle_wakeup(void);
217 extern int acpi_sleep_init(void);
219 static inline bool acpi_s2idle_wakeup(void) { return false; }
220 static inline int acpi_sleep_init(void) { return -ENXIO; }
223 #ifdef CONFIG_ACPI_SLEEP
224 void acpi_sleep_proc_init(void);
225 int suspend_nvs_alloc(void);
226 void suspend_nvs_free(void);
227 int suspend_nvs_save(void);
228 void suspend_nvs_restore(void);
230 static inline void acpi_sleep_proc_init(void) {}
231 static inline int suspend_nvs_alloc(void) { return 0; }
232 static inline void suspend_nvs_free(void) {}
233 static inline int suspend_nvs_save(void) { return 0; }
234 static inline void suspend_nvs_restore(void) {}
237 /*--------------------------------------------------------------------------
239 -------------------------------------------------------------------------- */
240 #define ACPI_DT_NAMESPACE_HID "PRP0001"
242 void acpi_init_properties(struct acpi_device *adev);
243 void acpi_free_properties(struct acpi_device *adev);
246 void acpi_extract_apple_properties(struct acpi_device *adev);
248 static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
251 /*--------------------------------------------------------------------------
253 -------------------------------------------------------------------------- */
255 #ifdef CONFIG_ACPI_WATCHDOG
256 void acpi_watchdog_init(void);
258 static inline void acpi_watchdog_init(void) {}
261 #ifdef CONFIG_ACPI_LPIT
262 void acpi_init_lpit(void);
264 static inline void acpi_init_lpit(void) { }
267 #endif /* _ACPI_INTERNAL_H_ */