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Merge tag 'mfd-for-linus-3.16-1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / drivers / acpi / internal.h
... / ...
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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);
34int acpi_sysfs_init(void);
35void acpi_container_init(void);
36void acpi_memory_hotplug_init(void);
37#ifdef CONFIG_ACPI_DOCK
38void register_dock_dependent_device(struct acpi_device *adev,
39 acpi_handle dshandle);
40int dock_notify(struct acpi_device *adev, u32 event);
41void acpi_dock_add(struct acpi_device *adev);
42#else
43static inline void register_dock_dependent_device(struct acpi_device *adev,
44 acpi_handle dshandle) {}
45static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
46static inline void acpi_dock_add(struct acpi_device *adev) {}
47#endif
48#ifdef CONFIG_X86
49void acpi_cmos_rtc_init(void);
50#else
51static inline void acpi_cmos_rtc_init(void) {}
52#endif
53
54extern bool acpi_force_hot_remove;
55
56void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
57 const char *name);
58int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
59 const char *hotplug_profile_name);
60void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
61
62#ifdef CONFIG_DEBUG_FS
63extern struct dentry *acpi_debugfs_dir;
64int acpi_debugfs_init(void);
65#else
66static inline void acpi_debugfs_init(void) { return; }
67#endif
68void acpi_lpss_init(void);
69
70acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
71bool acpi_queue_hotplug_work(struct work_struct *work);
72void acpi_device_hotplug(struct acpi_device *adev, u32 src);
73bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
74
75/* --------------------------------------------------------------------------
76 Device Node Initialization / Removal
77 -------------------------------------------------------------------------- */
78#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
79 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
80
81int acpi_device_add(struct acpi_device *device,
82 void (*release)(struct device *));
83void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
84 int type, unsigned long long sta);
85void acpi_device_add_finalize(struct acpi_device *device);
86void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
87int acpi_bind_one(struct device *dev, struct acpi_device *adev);
88int acpi_unbind_one(struct device *dev);
89bool acpi_device_is_present(struct acpi_device *adev);
90bool acpi_device_is_battery(struct acpi_device *adev);
91
92/* --------------------------------------------------------------------------
93 Power Resource
94 -------------------------------------------------------------------------- */
95int acpi_power_init(void);
96void acpi_power_resources_list_free(struct list_head *list);
97int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
98 struct list_head *list);
99int acpi_add_power_resource(acpi_handle handle);
100void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
101int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
102int acpi_device_sleep_wake(struct acpi_device *dev,
103 int enable, int sleep_state, int dev_state);
104int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
105int acpi_power_on_resources(struct acpi_device *device, int state);
106int acpi_power_transition(struct acpi_device *device, int state);
107
108int acpi_device_update_power(struct acpi_device *device, int *state_p);
109
110int acpi_wakeup_device_init(void);
111void acpi_early_processor_set_pdc(void);
112
113/* --------------------------------------------------------------------------
114 Embedded Controller
115 -------------------------------------------------------------------------- */
116struct acpi_ec {
117 acpi_handle handle;
118 unsigned long gpe;
119 unsigned long command_addr;
120 unsigned long data_addr;
121 unsigned long global_lock;
122 unsigned long flags;
123 struct mutex mutex;
124 wait_queue_head_t wait;
125 struct list_head list;
126 struct transaction *curr;
127 spinlock_t lock;
128};
129
130extern struct acpi_ec *first_ec;
131
132/* If we find an EC via the ECDT, we need to keep a ptr to its context */
133/* External interfaces use first EC only, so remember */
134typedef int (*acpi_ec_query_func) (void *data);
135
136int acpi_ec_init(void);
137int acpi_ec_ecdt_probe(void);
138int acpi_boot_ec_enable(void);
139void acpi_ec_block_transactions(void);
140void acpi_ec_unblock_transactions(void);
141void acpi_ec_unblock_transactions_early(void);
142int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
143 acpi_handle handle, acpi_ec_query_func func,
144 void *data);
145void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
146
147
148/*--------------------------------------------------------------------------
149 Suspend/Resume
150 -------------------------------------------------------------------------- */
151extern int acpi_sleep_init(void);
152
153#ifdef CONFIG_ACPI_SLEEP
154int acpi_sleep_proc_init(void);
155int suspend_nvs_alloc(void);
156void suspend_nvs_free(void);
157int suspend_nvs_save(void);
158void suspend_nvs_restore(void);
159#else
160static inline int acpi_sleep_proc_init(void) { return 0; }
161static inline int suspend_nvs_alloc(void) { return 0; }
162static inline void suspend_nvs_free(void) {}
163static inline int suspend_nvs_save(void) { return 0; }
164static inline void suspend_nvs_restore(void) {}
165#endif
166
167/*--------------------------------------------------------------------------
168 Platform bus support
169 -------------------------------------------------------------------------- */
170struct platform_device;
171
172struct platform_device *acpi_create_platform_device(struct acpi_device *adev);
173
174/*--------------------------------------------------------------------------
175 Video
176 -------------------------------------------------------------------------- */
177#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
178bool acpi_osi_is_win8(void);
179#endif
180
181#endif /* _ACPI_INTERNAL_H_ */
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