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1/*
2 * acpi/internal.h
3 * For use by Linux/ACPI infrastructure, not drivers
4 *
5 * Copyright (c) 2009, Intel Corporation.
6 *
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.
10 *
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
14 * more details.
15 *
16 */
17
18#ifndef _ACPI_INTERNAL_H_
19#define _ACPI_INTERNAL_H_
20
21#define PREFIX "ACPI: "
22
23acpi_status acpi_os_initialize1(void);
24int init_acpi_device_notify(void);
25int acpi_scan_init(void);
26void acpi_pci_root_init(void);
27void acpi_pci_link_init(void);
28void acpi_processor_init(void);
29void acpi_platform_init(void);
30void acpi_pnp_init(void);
31void acpi_int340x_thermal_init(void);
32int acpi_sysfs_init(void);
33void acpi_container_init(void);
34void acpi_memory_hotplug_init(void);
35#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
36int acpi_ioapic_add(struct acpi_pci_root *root);
37int acpi_ioapic_remove(struct acpi_pci_root *root);
38#else
39static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
40static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
41#endif
42#ifdef CONFIG_ACPI_DOCK
43void register_dock_dependent_device(struct acpi_device *adev,
44 acpi_handle dshandle);
45int dock_notify(struct acpi_device *adev, u32 event);
46void acpi_dock_add(struct acpi_device *adev);
47#else
48static inline void register_dock_dependent_device(struct acpi_device *adev,
49 acpi_handle dshandle) {}
50static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
51static inline void acpi_dock_add(struct acpi_device *adev) {}
52#endif
53#ifdef CONFIG_X86
54void acpi_cmos_rtc_init(void);
55#else
56static inline void acpi_cmos_rtc_init(void) {}
57#endif
58int acpi_rev_override_setup(char *str);
59
60extern bool acpi_force_hot_remove;
61
62void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
63 const char *name);
64int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
65 const char *hotplug_profile_name);
66void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
67
68#ifdef CONFIG_DEBUG_FS
69extern struct dentry *acpi_debugfs_dir;
70void acpi_debugfs_init(void);
71#else
72static inline void acpi_debugfs_init(void) { return; }
73#endif
74void acpi_lpss_init(void);
75
76void acpi_apd_init(void);
77
78acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
79bool acpi_queue_hotplug_work(struct work_struct *work);
80void acpi_device_hotplug(struct acpi_device *adev, u32 src);
81bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
82
83/* --------------------------------------------------------------------------
84 Device Node Initialization / Removal
85 -------------------------------------------------------------------------- */
86#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
87 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
88
89int acpi_device_add(struct acpi_device *device,
90 void (*release)(struct device *));
91void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
92 int type, unsigned long long sta);
93int acpi_device_setup_files(struct acpi_device *dev);
94void acpi_device_remove_files(struct acpi_device *dev);
95void acpi_device_add_finalize(struct acpi_device *device);
96void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
97bool acpi_device_is_present(struct acpi_device *adev);
98bool acpi_device_is_battery(struct acpi_device *adev);
99bool acpi_device_is_first_physical_node(struct acpi_device *adev,
100 const struct device *dev);
101
102/* --------------------------------------------------------------------------
103 Device Matching and Notification
104 -------------------------------------------------------------------------- */
105struct acpi_device *acpi_companion_match(const struct device *dev);
106int __acpi_device_uevent_modalias(struct acpi_device *adev,
107 struct kobj_uevent_env *env);
108
109/* --------------------------------------------------------------------------
110 Power Resource
111 -------------------------------------------------------------------------- */
112int acpi_power_init(void);
113void acpi_power_resources_list_free(struct list_head *list);
114int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
115 struct list_head *list);
116int acpi_add_power_resource(acpi_handle handle);
117void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
118int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
119int acpi_device_sleep_wake(struct acpi_device *dev,
120 int enable, int sleep_state, int dev_state);
121int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
122int acpi_power_on_resources(struct acpi_device *device, int state);
123int acpi_power_transition(struct acpi_device *device, int state);
124
125int acpi_wakeup_device_init(void);
126
127#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
128void acpi_early_processor_set_pdc(void);
129#else
130static inline void acpi_early_processor_set_pdc(void) {}
131#endif
132
133/* --------------------------------------------------------------------------
134 Embedded Controller
135 -------------------------------------------------------------------------- */
136struct acpi_ec {
137 acpi_handle handle;
138 unsigned long gpe;
139 unsigned long command_addr;
140 unsigned long data_addr;
141 unsigned long global_lock;
142 unsigned long flags;
143 unsigned long reference_count;
144 struct mutex mutex;
145 wait_queue_head_t wait;
146 struct list_head list;
147 struct transaction *curr;
148 spinlock_t lock;
149 struct work_struct work;
150 unsigned long timestamp;
151 unsigned long nr_pending_queries;
152};
153
154extern struct acpi_ec *first_ec;
155
156/* If we find an EC via the ECDT, we need to keep a ptr to its context */
157/* External interfaces use first EC only, so remember */
158typedef int (*acpi_ec_query_func) (void *data);
159
160int acpi_ec_init(void);
161int acpi_ec_ecdt_probe(void);
162int acpi_boot_ec_enable(void);
163void acpi_ec_block_transactions(void);
164void acpi_ec_unblock_transactions(void);
165void acpi_ec_unblock_transactions_early(void);
166int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
167 acpi_handle handle, acpi_ec_query_func func,
168 void *data);
169void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
170
171
172/*--------------------------------------------------------------------------
173 Suspend/Resume
174 -------------------------------------------------------------------------- */
175#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
176extern int acpi_sleep_init(void);
177#else
178static inline int acpi_sleep_init(void) { return -ENXIO; }
179#endif
180
181#ifdef CONFIG_ACPI_SLEEP
182int acpi_sleep_proc_init(void);
183int suspend_nvs_alloc(void);
184void suspend_nvs_free(void);
185int suspend_nvs_save(void);
186void suspend_nvs_restore(void);
187#else
188static inline int acpi_sleep_proc_init(void) { return 0; }
189static inline int suspend_nvs_alloc(void) { return 0; }
190static inline void suspend_nvs_free(void) {}
191static inline int suspend_nvs_save(void) { return 0; }
192static inline void suspend_nvs_restore(void) {}
193#endif
194
195/*--------------------------------------------------------------------------
196 Device properties
197 -------------------------------------------------------------------------- */
198#define ACPI_DT_NAMESPACE_HID "PRP0001"
199
200void acpi_init_properties(struct acpi_device *adev);
201void acpi_free_properties(struct acpi_device *adev);
202
203#endif /* _ACPI_INTERNAL_H_ */