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[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / acpi / internal.h
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1 /*
2 * acpi/internal.h
3 * For use by Linux/ACPI infrastructure, not drivers
5 * Copyright (c) 2009, Intel Corporation.
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.
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.
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.
21 #ifndef _ACPI_INTERNAL_H_
22 #define _ACPI_INTERNAL_H_
24 #define PREFIX "ACPI: "
26 int init_acpi_device_notify(void);
27 int acpi_scan_init(void);
28 int acpi_sysfs_init(void);
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
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);
48 int acpi_wakeup_device_init(void);
49 void acpi_early_processor_set_pdc(void);
51 /* --------------------------------------------------------------------------
52 Embedded Controller
53 -------------------------------------------------------------------------- */
54 struct acpi_ec {
55 acpi_handle handle;
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;
62 wait_queue_head_t wait;
63 struct list_head list;
64 struct transaction *curr;
65 spinlock_t curr_lock;
68 extern struct acpi_ec *first_ec;
70 int acpi_ec_init(void);
71 int acpi_ec_ecdt_probe(void);
72 int acpi_boot_ec_enable(void);
73 void acpi_ec_block_transactions(void);
74 void acpi_ec_unblock_transactions(void);
75 void acpi_ec_unblock_transactions_early(void);
77 /*--------------------------------------------------------------------------
78 Suspend/Resume
79 -------------------------------------------------------------------------- */
80 extern int acpi_sleep_init(void);
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
96 #endif /* _ACPI_INTERNAL_H_ */