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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 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21#ifndef _ACPI_INTERNAL_H_
22#define _ACPI_INTERNAL_H_
23
24#define PREFIX "ACPI: "
25
26acpi_status acpi_os_initialize1(void);
27int init_acpi_device_notify(void);
28int acpi_scan_init(void);
29void acpi_pci_root_init(void);
30void acpi_pci_link_init(void);
31void acpi_processor_init(void);
32void acpi_platform_init(void);
33void acpi_pnp_init(void);
34void acpi_int340x_thermal_init(void);
35int acpi_sysfs_init(void);
36void acpi_container_init(void);
37void acpi_memory_hotplug_init(void);
38#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
39int acpi_ioapic_add(struct acpi_pci_root *root);
40int acpi_ioapic_remove(struct acpi_pci_root *root);
41#else
42static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
43static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
44#endif
45#ifdef CONFIG_ACPI_DOCK
46void register_dock_dependent_device(struct acpi_device *adev,
47 acpi_handle dshandle);
48int dock_notify(struct acpi_device *adev, u32 event);
49void acpi_dock_add(struct acpi_device *adev);
50#else
51static inline void register_dock_dependent_device(struct acpi_device *adev,
52 acpi_handle dshandle) {}
53static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
54static inline void acpi_dock_add(struct acpi_device *adev) {}
55#endif
56#ifdef CONFIG_X86
57void acpi_cmos_rtc_init(void);
58#else
59static inline void acpi_cmos_rtc_init(void) {}
60#endif
61int acpi_rev_override_setup(char *str);
62
63extern bool acpi_force_hot_remove;
64
65void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
66 const char *name);
67int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
68 const char *hotplug_profile_name);
69void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
70
71#ifdef CONFIG_DEBUG_FS
72extern struct dentry *acpi_debugfs_dir;
73int acpi_debugfs_init(void);
74#else
75static inline void acpi_debugfs_init(void) { return; }
76#endif
77void acpi_lpss_init(void);
78
79void acpi_apd_init(void);
80
81acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
82bool acpi_queue_hotplug_work(struct work_struct *work);
83void acpi_device_hotplug(struct acpi_device *adev, u32 src);
84bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
85
86/* --------------------------------------------------------------------------
87 Device Node Initialization / Removal
88 -------------------------------------------------------------------------- */
89#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
90 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
91
92int acpi_device_add(struct acpi_device *device,
93 void (*release)(struct device *));
94void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
95 int type, unsigned long long sta);
96void acpi_device_add_finalize(struct acpi_device *device);
97void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
98bool acpi_device_is_present(struct acpi_device *adev);
99bool acpi_device_is_battery(struct acpi_device *adev);
100
101/* --------------------------------------------------------------------------
102 Power Resource
103 -------------------------------------------------------------------------- */
104int acpi_power_init(void);
105void acpi_power_resources_list_free(struct list_head *list);
106int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
107 struct list_head *list);
108int acpi_add_power_resource(acpi_handle handle);
109void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
110int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
111int acpi_device_sleep_wake(struct acpi_device *dev,
112 int enable, int sleep_state, int dev_state);
113int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
114int acpi_power_on_resources(struct acpi_device *device, int state);
115int acpi_power_transition(struct acpi_device *device, int state);
116
117int acpi_wakeup_device_init(void);
118
119#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
120void acpi_early_processor_set_pdc(void);
121#else
122static inline void acpi_early_processor_set_pdc(void) {}
123#endif
124
125/* --------------------------------------------------------------------------
126 Embedded Controller
127 -------------------------------------------------------------------------- */
128struct acpi_ec {
129 acpi_handle handle;
130 unsigned long gpe;
131 unsigned long command_addr;
132 unsigned long data_addr;
133 unsigned long global_lock;
134 unsigned long flags;
135 unsigned long reference_count;
136 struct mutex mutex;
137 wait_queue_head_t wait;
138 struct list_head list;
139 struct transaction *curr;
140 spinlock_t lock;
141 struct work_struct work;
142 unsigned long timestamp;
143 unsigned long nr_pending_queries;
144};
145
146extern struct acpi_ec *first_ec;
147
148/* If we find an EC via the ECDT, we need to keep a ptr to its context */
149/* External interfaces use first EC only, so remember */
150typedef int (*acpi_ec_query_func) (void *data);
151
152int acpi_ec_init(void);
153int acpi_ec_ecdt_probe(void);
154int acpi_boot_ec_enable(void);
155void acpi_ec_block_transactions(void);
156void acpi_ec_unblock_transactions(void);
157void acpi_ec_unblock_transactions_early(void);
158int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
159 acpi_handle handle, acpi_ec_query_func func,
160 void *data);
161void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
162
163
164/*--------------------------------------------------------------------------
165 Suspend/Resume
166 -------------------------------------------------------------------------- */
167#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
168extern int acpi_sleep_init(void);
169#else
170static inline int acpi_sleep_init(void) { return -ENXIO; }
171#endif
172
173#ifdef CONFIG_ACPI_SLEEP
174int acpi_sleep_proc_init(void);
175int suspend_nvs_alloc(void);
176void suspend_nvs_free(void);
177int suspend_nvs_save(void);
178void suspend_nvs_restore(void);
179#else
180static inline int acpi_sleep_proc_init(void) { return 0; }
181static inline int suspend_nvs_alloc(void) { return 0; }
182static inline void suspend_nvs_free(void) {}
183static inline int suspend_nvs_save(void) { return 0; }
184static inline void suspend_nvs_restore(void) {}
185#endif
186
187/*--------------------------------------------------------------------------
188 Device properties
189 -------------------------------------------------------------------------- */
190#define ACPI_DT_NAMESPACE_HID "PRP0001"
191
192void acpi_init_properties(struct acpi_device *adev);
193void acpi_free_properties(struct acpi_device *adev);
194
195#endif /* _ACPI_INTERNAL_H_ */