3 * For use by Linux/ACPI infrastructure, not drivers
5 * Copyright (c) 2009, Intel Corporation.
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.
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
18 #ifndef _ACPI_INTERNAL_H_
19 #define _ACPI_INTERNAL_H_
21 #include <linux/idr.h>
23 #define PREFIX "ACPI: "
25 int early_acpi_osi_init(void);
26 int acpi_osi_init(void);
27 acpi_status acpi_os_initialize1(void);
28 void init_acpi_device_notify(void);
29 int acpi_scan_init(void);
30 void acpi_pci_root_init(void);
31 void acpi_pci_link_init(void);
32 void acpi_processor_init(void);
33 void acpi_platform_init(void);
34 void acpi_pnp_init(void);
35 void acpi_int340x_thermal_init(void);
36 #ifdef CONFIG_ARM_AMBA
37 void acpi_amba_init(void);
39 static inline void acpi_amba_init(void) {}
41 int acpi_sysfs_init(void);
42 void acpi_gpe_apply_masked_gpes(void);
43 void acpi_container_init(void);
44 void acpi_memory_hotplug_init(void);
45 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
46 void pci_ioapic_remove(struct acpi_pci_root *root);
47 int acpi_ioapic_remove(struct acpi_pci_root *root);
49 static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
50 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
52 #ifdef CONFIG_ACPI_DOCK
53 void register_dock_dependent_device(struct acpi_device *adev,
54 acpi_handle dshandle);
55 int dock_notify(struct acpi_device *adev, u32 event);
56 void acpi_dock_add(struct acpi_device *adev);
58 static inline void register_dock_dependent_device(struct acpi_device *adev,
59 acpi_handle dshandle) {}
60 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
61 static inline void acpi_dock_add(struct acpi_device *adev) {}
64 void acpi_cmos_rtc_init(void);
66 static inline void acpi_cmos_rtc_init(void) {}
68 int acpi_rev_override_setup(char *str);
70 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
72 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
73 const char *hotplug_profile_name);
74 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
76 #ifdef CONFIG_DEBUG_FS
77 extern struct dentry *acpi_debugfs_dir;
78 void acpi_debugfs_init(void);
80 static inline void acpi_debugfs_init(void) { return; }
82 void acpi_lpss_init(void);
84 void acpi_apd_init(void);
86 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
87 bool acpi_queue_hotplug_work(struct work_struct *work);
88 void acpi_device_hotplug(struct acpi_device *adev, u32 src);
89 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
91 acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
92 void acpi_scan_table_handler(u32 event, void *table, void *context);
94 /* --------------------------------------------------------------------------
95 Device Node Initialization / Removal
96 -------------------------------------------------------------------------- */
97 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
98 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
100 extern struct list_head acpi_bus_id_list;
102 #define ACPI_MAX_DEVICE_INSTANCES 4096
104 struct acpi_device_bus_id {
106 struct ida instance_ida;
107 struct list_head node;
110 int acpi_device_add(struct acpi_device *device,
111 void (*release)(struct device *));
112 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
113 int type, unsigned long long sta);
114 int acpi_device_setup_files(struct acpi_device *dev);
115 void acpi_device_remove_files(struct acpi_device *dev);
116 void acpi_device_add_finalize(struct acpi_device *device);
117 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
118 bool acpi_device_is_present(const struct acpi_device *adev);
119 bool acpi_device_is_battery(struct acpi_device *adev);
120 bool acpi_device_is_first_physical_node(struct acpi_device *adev,
121 const struct device *dev);
122 int acpi_bus_register_early_device(int type);
124 /* --------------------------------------------------------------------------
125 Device Matching and Notification
126 -------------------------------------------------------------------------- */
127 struct acpi_device *acpi_companion_match(const struct device *dev);
128 int __acpi_device_uevent_modalias(struct acpi_device *adev,
129 struct kobj_uevent_env *env);
131 /* --------------------------------------------------------------------------
133 -------------------------------------------------------------------------- */
134 int acpi_power_init(void);
135 void acpi_power_resources_list_free(struct list_head *list);
136 int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
137 struct list_head *list);
138 int acpi_add_power_resource(acpi_handle handle);
139 void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
140 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
141 int acpi_device_sleep_wake(struct acpi_device *dev,
142 int enable, int sleep_state, int dev_state);
143 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
144 int acpi_power_on_resources(struct acpi_device *device, int state);
145 int acpi_power_transition(struct acpi_device *device, int state);
147 int acpi_wakeup_device_init(void);
149 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
150 void acpi_early_processor_set_pdc(void);
152 static inline void acpi_early_processor_set_pdc(void) {}
156 void acpi_early_processor_osc(void);
158 static inline void acpi_early_processor_osc(void) {}
161 /* --------------------------------------------------------------------------
163 -------------------------------------------------------------------------- */
167 unsigned long command_addr;
168 unsigned long data_addr;
171 unsigned long reference_count;
173 wait_queue_head_t wait;
174 struct list_head list;
175 struct transaction *curr;
177 struct work_struct work;
178 unsigned long timestamp;
179 unsigned long nr_pending_queries;
181 unsigned int polling_guard;
184 extern struct acpi_ec *first_ec;
186 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
187 /* External interfaces use first EC only, so remember */
188 typedef int (*acpi_ec_query_func) (void *data);
190 int acpi_ec_init(void);
191 int acpi_ec_ecdt_probe(void);
192 int acpi_ec_dsdt_probe(void);
193 void acpi_ec_block_transactions(void);
194 void acpi_ec_unblock_transactions(void);
195 void acpi_ec_mark_gpe_for_wake(void);
196 void acpi_ec_set_gpe_wake_mask(u8 action);
197 void acpi_ec_dispatch_gpe(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);
208 /*--------------------------------------------------------------------------
210 -------------------------------------------------------------------------- */
211 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
212 extern bool acpi_s2idle_wakeup(void);
213 extern bool acpi_sleep_no_ec_events(void);
214 extern int acpi_sleep_init(void);
216 static inline bool acpi_s2idle_wakeup(void) { return false; }
217 static inline bool acpi_sleep_no_ec_events(void) { return true; }
218 static inline int acpi_sleep_init(void) { return -ENXIO; }
221 #ifdef CONFIG_ACPI_SLEEP
222 void acpi_sleep_proc_init(void);
223 int suspend_nvs_alloc(void);
224 void suspend_nvs_free(void);
225 int suspend_nvs_save(void);
226 void suspend_nvs_restore(void);
228 static inline void acpi_sleep_proc_init(void) {}
229 static inline int suspend_nvs_alloc(void) { return 0; }
230 static inline void suspend_nvs_free(void) {}
231 static inline int suspend_nvs_save(void) { return 0; }
232 static inline void suspend_nvs_restore(void) {}
235 /*--------------------------------------------------------------------------
237 -------------------------------------------------------------------------- */
238 #define ACPI_DT_NAMESPACE_HID "PRP0001"
240 void acpi_init_properties(struct acpi_device *adev);
241 void acpi_free_properties(struct acpi_device *adev);
244 void acpi_extract_apple_properties(struct acpi_device *adev);
246 static inline void acpi_extract_apple_properties(struct acpi_device *adev) {}
249 /*--------------------------------------------------------------------------
251 -------------------------------------------------------------------------- */
253 #ifdef CONFIG_ACPI_WATCHDOG
254 void acpi_watchdog_init(void);
256 static inline void acpi_watchdog_init(void) {}
259 #ifdef CONFIG_ACPI_LPIT
260 void acpi_init_lpit(void);
262 static inline void acpi_init_lpit(void) { }
265 #endif /* _ACPI_INTERNAL_H_ */