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 #define PREFIX "ACPI: "
23 int early_acpi_osi_init(void);
24 int acpi_osi_init(void);
25 acpi_status acpi_os_initialize1(void);
26 void init_acpi_device_notify(void);
27 int acpi_scan_init(void);
28 void acpi_pci_root_init(void);
29 void acpi_pci_link_init(void);
30 void acpi_processor_init(void);
31 void acpi_platform_init(void);
32 void acpi_pnp_init(void);
33 void acpi_int340x_thermal_init(void);
34 #ifdef CONFIG_ARM_AMBA
35 void acpi_amba_init(void);
37 static inline void acpi_amba_init(void) {}
39 int acpi_sysfs_init(void);
40 void acpi_gpe_apply_masked_gpes(void);
41 void acpi_container_init(void);
42 void acpi_memory_hotplug_init(void);
43 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
44 void pci_ioapic_remove(struct acpi_pci_root *root);
45 int acpi_ioapic_remove(struct acpi_pci_root *root);
47 static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; }
48 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
50 #ifdef CONFIG_ACPI_DOCK
51 void register_dock_dependent_device(struct acpi_device *adev,
52 acpi_handle dshandle);
53 int dock_notify(struct acpi_device *adev, u32 event);
54 void acpi_dock_add(struct acpi_device *adev);
56 static inline void register_dock_dependent_device(struct acpi_device *adev,
57 acpi_handle dshandle) {}
58 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
59 static inline void acpi_dock_add(struct acpi_device *adev) {}
62 void acpi_cmos_rtc_init(void);
64 static inline void acpi_cmos_rtc_init(void) {}
66 int acpi_rev_override_setup(char *str);
68 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
70 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
71 const char *hotplug_profile_name);
72 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
74 #ifdef CONFIG_DEBUG_FS
75 extern struct dentry *acpi_debugfs_dir;
76 void acpi_debugfs_init(void);
78 static inline void acpi_debugfs_init(void) { return; }
80 void acpi_lpss_init(void);
82 void acpi_apd_init(void);
84 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
85 bool acpi_queue_hotplug_work(struct work_struct *work);
86 void acpi_device_hotplug(struct acpi_device *adev, u32 src);
87 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
89 acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
90 void acpi_scan_table_handler(u32 event, void *table, void *context);
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)
98 extern struct list_head acpi_bus_id_list;
100 struct acpi_device_bus_id {
102 unsigned int instance_no;
103 struct list_head node;
106 int acpi_device_add(struct acpi_device *device,
107 void (*release)(struct device *));
108 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
109 int type, unsigned long long sta);
110 int acpi_device_setup_files(struct acpi_device *dev);
111 void acpi_device_remove_files(struct acpi_device *dev);
112 void acpi_device_add_finalize(struct acpi_device *device);
113 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
114 bool acpi_device_is_present(const struct acpi_device *adev);
115 bool acpi_device_is_battery(struct acpi_device *adev);
116 bool acpi_device_is_first_physical_node(struct acpi_device *adev,
117 const struct device *dev);
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 int acpi_wakeup_device_init(void);
144 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
145 void acpi_early_processor_set_pdc(void);
147 static inline void acpi_early_processor_set_pdc(void) {}
151 void acpi_early_processor_osc(void);
153 static inline void acpi_early_processor_osc(void) {}
156 /* --------------------------------------------------------------------------
158 -------------------------------------------------------------------------- */
162 unsigned long command_addr;
163 unsigned long data_addr;
166 unsigned long reference_count;
168 wait_queue_head_t wait;
169 struct list_head list;
170 struct transaction *curr;
172 struct work_struct work;
173 unsigned long timestamp;
174 unsigned long nr_pending_queries;
176 unsigned int polling_guard;
179 extern struct acpi_ec *first_ec;
181 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
182 /* External interfaces use first EC only, so remember */
183 typedef int (*acpi_ec_query_func) (void *data);
185 int acpi_ec_init(void);
186 int acpi_ec_ecdt_probe(void);
187 int acpi_ec_dsdt_probe(void);
188 int acpi_ec_ecdt_start(void);
189 void acpi_ec_block_transactions(void);
190 void acpi_ec_unblock_transactions(void);
191 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
192 acpi_handle handle, acpi_ec_query_func func,
194 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
197 /*--------------------------------------------------------------------------
199 -------------------------------------------------------------------------- */
200 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
201 extern bool acpi_s2idle_wakeup(void);
202 extern bool acpi_sleep_no_ec_events(void);
203 extern int acpi_sleep_init(void);
205 static inline bool acpi_s2idle_wakeup(void) { return false; }
206 static inline bool acpi_sleep_no_ec_events(void) { return true; }
207 static inline int acpi_sleep_init(void) { return -ENXIO; }
210 #ifdef CONFIG_ACPI_SLEEP
211 void acpi_sleep_proc_init(void);
212 int suspend_nvs_alloc(void);
213 void suspend_nvs_free(void);
214 int suspend_nvs_save(void);
215 void suspend_nvs_restore(void);
217 static inline void acpi_sleep_proc_init(void) {}
218 static inline int suspend_nvs_alloc(void) { return 0; }
219 static inline void suspend_nvs_free(void) {}
220 static inline int suspend_nvs_save(void) { return 0; }
221 static inline void suspend_nvs_restore(void) {}
224 /*--------------------------------------------------------------------------
226 -------------------------------------------------------------------------- */
227 #define ACPI_DT_NAMESPACE_HID "PRP0001"
229 void acpi_init_properties(struct acpi_device *adev);
230 void acpi_free_properties(struct acpi_device *adev);
232 /*--------------------------------------------------------------------------
234 -------------------------------------------------------------------------- */
236 #ifdef CONFIG_ACPI_WATCHDOG
237 void acpi_watchdog_init(void);
239 static inline void acpi_watchdog_init(void) {}
242 #endif /* _ACPI_INTERNAL_H_ */