Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
26int init_acpi_device_notify(void);
27int acpi_scan_init(void);
28#ifdef CONFIG_ACPI_PCI_SLOT
29void acpi_pci_slot_init(void);
30#else
31static inline void acpi_pci_slot_init(void) { }
32#endif
33void acpi_pci_root_init(void);
34void acpi_pci_link_init(void);
35void acpi_pci_root_hp_init(void);
36void acpi_platform_init(void);
37int acpi_sysfs_init(void);
38void acpi_csrt_init(void);
39#ifdef CONFIG_ACPI_CONTAINER
40void acpi_container_init(void);
41#else
42static inline void acpi_container_init(void) {}
43#endif
44
45#ifdef CONFIG_DEBUG_FS
46extern struct dentry *acpi_debugfs_dir;
47int acpi_debugfs_init(void);
48#else
49static inline void acpi_debugfs_init(void) { return; }
50#endif
51
52/* --------------------------------------------------------------------------
53 Device Node Initialization / Removal
54 -------------------------------------------------------------------------- */
55#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
56 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
57
58int acpi_device_add(struct acpi_device *device,
59 void (*release)(struct device *));
60void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
61 int type, unsigned long long sta);
62void acpi_device_add_finalize(struct acpi_device *device);
63void acpi_free_ids(struct acpi_device *device);
64
65/* --------------------------------------------------------------------------
66 Power Resource
67 -------------------------------------------------------------------------- */
68int acpi_power_init(void);
69void acpi_power_resources_list_free(struct list_head *list);
70int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
71 struct list_head *list);
72int acpi_add_power_resource(acpi_handle handle);
73void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
74int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
75int acpi_device_sleep_wake(struct acpi_device *dev,
76 int enable, int sleep_state, int dev_state);
77int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
78int acpi_power_on_resources(struct acpi_device *device, int state);
79int acpi_power_transition(struct acpi_device *device, int state);
80
81int acpi_wakeup_device_init(void);
82void acpi_early_processor_set_pdc(void);
83
84/* --------------------------------------------------------------------------
85 Embedded Controller
86 -------------------------------------------------------------------------- */
87struct acpi_ec {
88 acpi_handle handle;
89 unsigned long gpe;
90 unsigned long command_addr;
91 unsigned long data_addr;
92 unsigned long global_lock;
93 unsigned long flags;
94 struct mutex mutex;
95 wait_queue_head_t wait;
96 struct list_head list;
97 struct transaction *curr;
98 spinlock_t lock;
99};
100
101extern struct acpi_ec *first_ec;
102
103int acpi_ec_init(void);
104int acpi_ec_ecdt_probe(void);
105int acpi_boot_ec_enable(void);
106void acpi_ec_block_transactions(void);
107void acpi_ec_unblock_transactions(void);
108void acpi_ec_unblock_transactions_early(void);
109
110/*--------------------------------------------------------------------------
111 Suspend/Resume
112 -------------------------------------------------------------------------- */
113extern int acpi_sleep_init(void);
114
115#ifdef CONFIG_ACPI_SLEEP
116int acpi_sleep_proc_init(void);
117int suspend_nvs_alloc(void);
118void suspend_nvs_free(void);
119int suspend_nvs_save(void);
120void suspend_nvs_restore(void);
121#else
122static inline int acpi_sleep_proc_init(void) { return 0; }
123static inline int suspend_nvs_alloc(void) { return 0; }
124static inline void suspend_nvs_free(void) {}
125static inline int suspend_nvs_save(void) { return 0; }
126static inline void suspend_nvs_restore(void) {}
127#endif
128
129/*--------------------------------------------------------------------------
130 Platform bus support
131 -------------------------------------------------------------------------- */
132struct platform_device;
133
134#endif /* _ACPI_INTERNAL_H_ */