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Len Browna192a952009-07-28 16:45:54 -04001/*
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
Thomas Renninger1195a092010-07-16 13:11:31 +020021#ifndef _ACPI_INTERNAL_H_
22#define _ACPI_INTERNAL_H_
23
Len Browna192a952009-07-28 16:45:54 -040024#define PREFIX "ACPI: "
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060025
Bjorn Helgaas0e465172009-03-24 16:50:09 -060026int init_acpi_device_notify(void);
Bjorn Helgaase747f272009-03-24 16:49:43 -060027int acpi_scan_init(void);
Zhang Rui1c8fce22010-07-15 10:46:30 +080028int acpi_sysfs_init(void);
Bjorn Helgaase747f272009-03-24 16:49:43 -060029
Zhang Ruia25ee922010-07-15 10:46:15 +080030#ifdef CONFIG_DEBUG_FS
Thomas Renningeraecad4322011-05-26 12:26:23 +020031extern struct dentry *acpi_debugfs_dir;
Zhang Ruia25ee922010-07-15 10:46:15 +080032int acpi_debugfs_init(void);
33#else
Thomas Renningeraecad4322011-05-26 12:26:23 +020034static inline void acpi_debugfs_init(void) { return; }
Zhang Ruia25ee922010-07-15 10:46:15 +080035#endif
36
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060037/* --------------------------------------------------------------------------
38 Power Resource
39 -------------------------------------------------------------------------- */
Bjorn Helgaas44515372009-03-24 16:49:53 -060040int acpi_power_init(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060041int acpi_device_sleep_wake(struct acpi_device *dev,
42 int enable, int sleep_state, int dev_state);
Rafael J. Wysocki32a00d22010-11-25 00:05:17 +010043int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
Rafael J. Wysocki30d3df42010-11-25 00:06:55 +010044int acpi_power_on_resources(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060045int acpi_power_transition(struct acpi_device *device, int state);
Rafael J. Wysockiade3e7f2010-11-25 00:08:36 +010046int acpi_bus_init_power(struct acpi_device *device);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060047
Bjorn Helgaas201b8c62009-03-24 16:50:19 -060048int acpi_wakeup_device_init(void);
Alex Chiang78f16992009-12-20 12:19:09 -070049void acpi_early_processor_set_pdc(void);
Bjorn Helgaas201b8c62009-03-24 16:50:19 -060050
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060051/* --------------------------------------------------------------------------
52 Embedded Controller
53 -------------------------------------------------------------------------- */
Thomas Renninger1195a092010-07-16 13:11:31 +020054struct 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;
Thomas Renninger1195a092010-07-16 13:11:31 +020066};
67
68extern struct acpi_ec *first_ec;
69
Bjorn Helgaasa5f820f2009-03-24 16:49:48 -060070int acpi_ec_init(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060071int acpi_ec_ecdt_probe(void);
72int acpi_boot_ec_enable(void);
Rafael J. Wysockife955682010-04-09 01:40:38 +020073void acpi_ec_block_transactions(void);
74void acpi_ec_unblock_transactions(void);
75void acpi_ec_unblock_transactions_early(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060076
77/*--------------------------------------------------------------------------
78 Suspend/Resume
79 -------------------------------------------------------------------------- */
80extern int acpi_sleep_init(void);
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -060081
82#ifdef CONFIG_ACPI_SLEEP
83int acpi_sleep_proc_init(void);
Rafael J. Wysocki976513d2011-01-07 01:43:44 +010084int suspend_nvs_alloc(void);
85void suspend_nvs_free(void);
86int suspend_nvs_save(void);
87void suspend_nvs_restore(void);
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -060088#else
89static inline int acpi_sleep_proc_init(void) { return 0; }
Rafael J. Wysocki976513d2011-01-07 01:43:44 +010090static inline int suspend_nvs_alloc(void) { return 0; }
91static inline void suspend_nvs_free(void) {}
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +010092static inline int suspend_nvs_save(void) { return 0; }
Rafael J. Wysocki976513d2011-01-07 01:43:44 +010093static inline void suspend_nvs_restore(void) {}
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -060094#endif
Thomas Renninger1195a092010-07-16 13:11:31 +020095
96#endif /* _ACPI_INTERNAL_H_ */