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 #define PREFIX "ACPI: "
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_handler(u32 event
, void *table
, void *context
);
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 struct acpi_device_bus_id
{
101 unsigned int instance_no
;
102 struct list_head node
;
105 int acpi_device_add(struct acpi_device
*device
,
106 void (*release
)(struct device
*));
107 void acpi_init_device_object(struct acpi_device
*device
, acpi_handle handle
,
108 int type
, unsigned long long sta
);
109 int acpi_device_setup_files(struct acpi_device
*dev
);
110 void acpi_device_remove_files(struct acpi_device
*dev
);
111 void acpi_device_add_finalize(struct acpi_device
*device
);
112 void acpi_free_pnp_ids(struct acpi_device_pnp
*pnp
);
113 bool acpi_device_is_present(const struct acpi_device
*adev
);
114 bool acpi_device_is_battery(struct acpi_device
*adev
);
115 bool acpi_device_is_first_physical_node(struct acpi_device
*adev
,
116 const struct device
*dev
);
117 int acpi_bus_register_early_device(int type
);
119 /* --------------------------------------------------------------------------
120 Device Matching and Notification
121 -------------------------------------------------------------------------- */
122 struct acpi_device
*acpi_companion_match(const struct device
*dev
);
123 int __acpi_device_uevent_modalias(struct acpi_device
*adev
,
124 struct kobj_uevent_env
*env
);
126 /* --------------------------------------------------------------------------
128 -------------------------------------------------------------------------- */
129 int acpi_power_init(void);
130 void acpi_power_resources_list_free(struct list_head
*list
);
131 int acpi_extract_power_resources(union acpi_object
*package
, unsigned int start
,
132 struct list_head
*list
);
133 int acpi_add_power_resource(acpi_handle handle
);
134 void acpi_power_add_remove_device(struct acpi_device
*adev
, bool add
);
135 int acpi_power_wakeup_list_init(struct list_head
*list
, int *system_level
);
136 int acpi_device_sleep_wake(struct acpi_device
*dev
,
137 int enable
, int sleep_state
, int dev_state
);
138 int acpi_power_get_inferred_state(struct acpi_device
*device
, int *state
);
139 int acpi_power_on_resources(struct acpi_device
*device
, int state
);
140 int acpi_power_transition(struct acpi_device
*device
, int state
);
142 /* --------------------------------------------------------------------------
143 Device Power Management
144 -------------------------------------------------------------------------- */
145 int acpi_device_get_power(struct acpi_device
*device
, int *state
);
146 int acpi_wakeup_device_init(void);
148 /* --------------------------------------------------------------------------
150 -------------------------------------------------------------------------- */
151 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
152 void acpi_early_processor_set_pdc(void);
154 static inline void acpi_early_processor_set_pdc(void) {}
158 void acpi_early_processor_osc(void);
160 static inline void acpi_early_processor_osc(void) {}
163 /* --------------------------------------------------------------------------
165 -------------------------------------------------------------------------- */
170 unsigned long command_addr
;
171 unsigned long data_addr
;
174 unsigned long reference_count
;
176 wait_queue_head_t wait
;
177 struct list_head list
;
178 struct transaction
*curr
;
180 struct work_struct work
;
181 unsigned long timestamp
;
182 unsigned long nr_pending_queries
;
184 unsigned int polling_guard
;
187 extern struct acpi_ec
*first_ec
;
189 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
190 /* External interfaces use first EC only, so remember */
191 typedef int (*acpi_ec_query_func
) (void *data
);
193 void acpi_ec_init(void);
194 void acpi_ec_ecdt_probe(void);
195 void acpi_ec_dsdt_probe(void);
196 void acpi_ec_block_transactions(void);
197 void acpi_ec_unblock_transactions(void);
198 int acpi_ec_add_query_handler(struct acpi_ec
*ec
, u8 query_bit
,
199 acpi_handle handle
, acpi_ec_query_func func
,
201 void acpi_ec_remove_query_handler(struct acpi_ec
*ec
, u8 query_bit
);
203 #ifdef CONFIG_PM_SLEEP
204 void acpi_ec_flush_work(void);
205 bool acpi_ec_dispatch_gpe(void);
209 /*--------------------------------------------------------------------------
211 -------------------------------------------------------------------------- */
212 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
213 extern bool acpi_s2idle_wakeup(void);
214 extern int acpi_sleep_init(void);
216 static inline bool acpi_s2idle_wakeup(void) { return false; }
217 static inline int acpi_sleep_init(void) { return -ENXIO
; }
220 #ifdef CONFIG_ACPI_SLEEP
221 void acpi_sleep_proc_init(void);
222 int suspend_nvs_alloc(void);
223 void suspend_nvs_free(void);
224 int suspend_nvs_save(void);
225 void suspend_nvs_restore(void);
227 static inline void acpi_sleep_proc_init(void) {}
228 static inline int suspend_nvs_alloc(void) { return 0; }
229 static inline void suspend_nvs_free(void) {}
230 static inline int suspend_nvs_save(void) { return 0; }
231 static inline void suspend_nvs_restore(void) {}
234 /*--------------------------------------------------------------------------
236 -------------------------------------------------------------------------- */
237 #define ACPI_DT_NAMESPACE_HID "PRP0001"
239 void acpi_init_properties(struct acpi_device
*adev
);
240 void acpi_free_properties(struct acpi_device
*adev
);
243 void acpi_extract_apple_properties(struct acpi_device
*adev
);
245 static inline void acpi_extract_apple_properties(struct acpi_device
*adev
) {}
248 /*--------------------------------------------------------------------------
250 -------------------------------------------------------------------------- */
252 #ifdef CONFIG_ACPI_WATCHDOG
253 void acpi_watchdog_init(void);
255 static inline void acpi_watchdog_init(void) {}
258 #ifdef CONFIG_ACPI_LPIT
259 void acpi_init_lpit(void);
261 static inline void acpi_init_lpit(void) { }
264 #endif /* _ACPI_INTERNAL_H_ */