Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
internal.h
Go to the documentation of this file.
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 
26 int init_acpi_device_notify(void);
27 int acpi_scan_init(void);
28 int acpi_sysfs_init(void);
29 
30 #ifdef CONFIG_DEBUG_FS
31 extern struct dentry *acpi_debugfs_dir;
32 int acpi_debugfs_init(void);
33 #else
34 static inline void acpi_debugfs_init(void) { return; }
35 #endif
36 
37 /* --------------------------------------------------------------------------
38  Power Resource
39  -------------------------------------------------------------------------- */
40 int acpi_power_init(void);
41 int acpi_device_sleep_wake(struct acpi_device *dev,
42  int enable, int sleep_state, int dev_state);
43 int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
44 int acpi_power_on_resources(struct acpi_device *device, int state);
45 int acpi_power_transition(struct acpi_device *device, int state);
46 int acpi_bus_init_power(struct acpi_device *device);
47 
48 int acpi_wakeup_device_init(void);
50 
51 /* --------------------------------------------------------------------------
52  Embedded Controller
53  -------------------------------------------------------------------------- */
54 struct acpi_ec {
56  unsigned long gpe;
57  unsigned long command_addr;
58  unsigned long data_addr;
59  unsigned long global_lock;
60  unsigned long flags;
61  struct mutex lock;
63  struct list_head list;
64  struct transaction *curr;
66 };
67 
68 extern struct acpi_ec *first_ec;
69 
70 int acpi_ec_init(void);
71 int acpi_ec_ecdt_probe(void);
72 int acpi_boot_ec_enable(void);
76 
77 /*--------------------------------------------------------------------------
78  Suspend/Resume
79  -------------------------------------------------------------------------- */
80 extern int acpi_sleep_init(void);
81 
82 #ifdef CONFIG_ACPI_SLEEP
83 int acpi_sleep_proc_init(void);
84 int suspend_nvs_alloc(void);
85 void suspend_nvs_free(void);
86 int suspend_nvs_save(void);
87 void suspend_nvs_restore(void);
88 #else
89 static inline int acpi_sleep_proc_init(void) { return 0; }
90 static inline int suspend_nvs_alloc(void) { return 0; }
91 static inline void suspend_nvs_free(void) {}
92 static inline int suspend_nvs_save(void) { return 0; }
93 static inline void suspend_nvs_restore(void) {}
94 #endif
95 
96 #endif /* _ACPI_INTERNAL_H_ */