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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
23int early_acpi_osi_init(void);
24int acpi_osi_init(void);
25acpi_status acpi_os_initialize1(void);
26void init_acpi_device_notify(void);
27int acpi_scan_init(void);
28void acpi_pci_root_init(void);
29void acpi_pci_link_init(void);
30void acpi_processor_init(void);
31void acpi_platform_init(void);
32void acpi_pnp_init(void);
33void acpi_int340x_thermal_init(void);
34#ifdef CONFIG_ARM_AMBA
35void acpi_amba_init(void);
36#else
37static inline void acpi_amba_init(void) {}
38#endif
39int acpi_sysfs_init(void);
40void acpi_container_init(void);
41void acpi_memory_hotplug_init(void);
42#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
43int acpi_ioapic_add(struct acpi_pci_root *root);
44int acpi_ioapic_remove(struct acpi_pci_root *root);
45#else
46static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
47static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
48#endif
49#ifdef CONFIG_ACPI_DOCK
50void register_dock_dependent_device(struct acpi_device *adev,
51 acpi_handle dshandle);
52int dock_notify(struct acpi_device *adev, u32 event);
53void acpi_dock_add(struct acpi_device *adev);
54#else
55static inline void register_dock_dependent_device(struct acpi_device *adev,
56 acpi_handle dshandle) {}
57static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
58static inline void acpi_dock_add(struct acpi_device *adev) {}
59#endif
60#ifdef CONFIG_X86
61void acpi_cmos_rtc_init(void);
62#else
63static inline void acpi_cmos_rtc_init(void) {}
64#endif
65int acpi_rev_override_setup(char *str);
66
67extern bool acpi_force_hot_remove;
68
69void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
70 const char *name);
71int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
72 const char *hotplug_profile_name);
73void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
74
75#ifdef CONFIG_DEBUG_FS
76extern struct dentry *acpi_debugfs_dir;
77void acpi_debugfs_init(void);
78#else
79static inline void acpi_debugfs_init(void) { return; }
80#endif
81void acpi_lpss_init(void);
82
83void acpi_apd_init(void);
84
85acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
86bool acpi_queue_hotplug_work(struct work_struct *work);
87void acpi_device_hotplug(struct acpi_device *adev, u32 src);
88bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
89
90/* --------------------------------------------------------------------------
91 Device Node Initialization / Removal
92 -------------------------------------------------------------------------- */
93#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
94 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
95
96extern struct list_head acpi_bus_id_list;
97
98struct acpi_device_bus_id {
99 char bus_id[15];
100 unsigned int instance_no;
101 struct list_head node;
102};
103
104int acpi_device_add(struct acpi_device *device,
105 void (*release)(struct device *));
106void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
107 int type, unsigned long long sta);
108int acpi_device_setup_files(struct acpi_device *dev);
109void acpi_device_remove_files(struct acpi_device *dev);
110void acpi_device_add_finalize(struct acpi_device *device);
111void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
112bool acpi_device_is_present(struct acpi_device *adev);
113bool acpi_device_is_battery(struct acpi_device *adev);
114bool acpi_device_is_first_physical_node(struct acpi_device *adev,
115 const struct device *dev);
116struct device *acpi_get_first_physical_node(struct acpi_device *adev);
117
118/* --------------------------------------------------------------------------
119 Device Matching and Notification
120 -------------------------------------------------------------------------- */
121struct acpi_device *acpi_companion_match(const struct device *dev);
122int __acpi_device_uevent_modalias(struct acpi_device *adev,
123 struct kobj_uevent_env *env);
124
125/* --------------------------------------------------------------------------
126 Power Resource
127 -------------------------------------------------------------------------- */
128int acpi_power_init(void);
129void acpi_power_resources_list_free(struct list_head *list);
130int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
131 struct list_head *list);
132int acpi_add_power_resource(acpi_handle handle);
133void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
134int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
135int acpi_device_sleep_wake(struct acpi_device *dev,
136 int enable, int sleep_state, int dev_state);
137int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
138int acpi_power_on_resources(struct acpi_device *device, int state);
139int acpi_power_transition(struct acpi_device *device, int state);
140
141int acpi_wakeup_device_init(void);
142
143#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
144void acpi_early_processor_set_pdc(void);
145#else
146static inline void acpi_early_processor_set_pdc(void) {}
147#endif
148
149#ifdef CONFIG_X86
150void acpi_early_processor_osc(void);
151#else
152static inline void acpi_early_processor_osc(void) {}
153#endif
154
155/* --------------------------------------------------------------------------
156 Embedded Controller
157 -------------------------------------------------------------------------- */
158struct acpi_ec {
159 acpi_handle handle;
160 unsigned long gpe;
161 unsigned long command_addr;
162 unsigned long data_addr;
163 bool global_lock;
164 unsigned long flags;
165 unsigned long reference_count;
166 struct mutex mutex;
167 wait_queue_head_t wait;
168 struct list_head list;
169 struct transaction *curr;
170 spinlock_t lock;
171 struct work_struct work;
172 unsigned long timestamp;
173 unsigned long nr_pending_queries;
174};
175
176extern struct acpi_ec *first_ec;
177
178/* If we find an EC via the ECDT, we need to keep a ptr to its context */
179/* External interfaces use first EC only, so remember */
180typedef int (*acpi_ec_query_func) (void *data);
181
182int acpi_ec_init(void);
183int acpi_ec_ecdt_probe(void);
184int acpi_boot_ec_enable(void);
185void acpi_ec_block_transactions(void);
186void acpi_ec_unblock_transactions(void);
187void acpi_ec_unblock_transactions_early(void);
188int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
189 acpi_handle handle, acpi_ec_query_func func,
190 void *data);
191void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
192
193
194/*--------------------------------------------------------------------------
195 Suspend/Resume
196 -------------------------------------------------------------------------- */
197#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
198extern int acpi_sleep_init(void);
199#else
200static inline int acpi_sleep_init(void) { return -ENXIO; }
201#endif
202
203#ifdef CONFIG_ACPI_SLEEP
204void acpi_sleep_proc_init(void);
205int suspend_nvs_alloc(void);
206void suspend_nvs_free(void);
207int suspend_nvs_save(void);
208void suspend_nvs_restore(void);
209#else
210static inline void acpi_sleep_proc_init(void) {}
211static inline int suspend_nvs_alloc(void) { return 0; }
212static inline void suspend_nvs_free(void) {}
213static inline int suspend_nvs_save(void) { return 0; }
214static inline void suspend_nvs_restore(void) {}
215#endif
216
217/*--------------------------------------------------------------------------
218 Device properties
219 -------------------------------------------------------------------------- */
220#define ACPI_DT_NAMESPACE_HID "PRP0001"
221
222void acpi_init_properties(struct acpi_device *adev);
223void acpi_free_properties(struct acpi_device *adev);
224
225#endif /* _ACPI_INTERNAL_H_ */