tjh.dev
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
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_pci_root_hp_init(void);
32void acpi_processor_init(void);
33void acpi_platform_init(void);
34int acpi_sysfs_init(void);
35#ifdef CONFIG_ACPI_CONTAINER
36void acpi_container_init(void);
37#else
38static inline void acpi_container_init(void) {}
39#endif
40#ifdef CONFIG_ACPI_DOCK
41void acpi_dock_init(void);
42#else
43static inline void acpi_dock_init(void) {}
44#endif
45#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
46void acpi_memory_hotplug_init(void);
47#else
48static inline void acpi_memory_hotplug_init(void) {}
49#endif
50#ifdef CONFIG_X86
51void acpi_cmos_rtc_init(void);
52#else
53static inline void acpi_cmos_rtc_init(void) {}
54#endif
55
56extern bool acpi_force_hot_remove;
57
58void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
59 const char *name);
60int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
61 const char *hotplug_profile_name);
62void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
63
64#ifdef CONFIG_DEBUG_FS
65extern struct dentry *acpi_debugfs_dir;
66int acpi_debugfs_init(void);
67#else
68static inline void acpi_debugfs_init(void) { return; }
69#endif
70#ifdef CONFIG_X86_INTEL_LPSS
71void acpi_lpss_init(void);
72#else
73static inline void acpi_lpss_init(void) {}
74#endif
75
76/* --------------------------------------------------------------------------
77 Device Node Initialization / Removal
78 -------------------------------------------------------------------------- */
79#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
80 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
81
82int acpi_device_add(struct acpi_device *device,
83 void (*release)(struct device *));
84void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
85 int type, unsigned long long sta);
86void acpi_device_add_finalize(struct acpi_device *device);
87void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
88int acpi_bind_one(struct device *dev, acpi_handle handle);
89int acpi_unbind_one(struct device *dev);
90void acpi_bus_device_eject(void *data, u32 ost_src);
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_wakeup_device_init(void);
109void acpi_early_processor_set_pdc(void);
110
111/* --------------------------------------------------------------------------
112 Embedded Controller
113 -------------------------------------------------------------------------- */
114struct acpi_ec {
115 acpi_handle handle;
116 unsigned long gpe;
117 unsigned long command_addr;
118 unsigned long data_addr;
119 unsigned long global_lock;
120 unsigned long flags;
121 struct mutex mutex;
122 wait_queue_head_t wait;
123 struct list_head list;
124 struct transaction *curr;
125 spinlock_t lock;
126};
127
128extern struct acpi_ec *first_ec;
129
130int acpi_ec_init(void);
131int acpi_ec_ecdt_probe(void);
132int acpi_boot_ec_enable(void);
133void acpi_ec_block_transactions(void);
134void acpi_ec_unblock_transactions(void);
135void acpi_ec_unblock_transactions_early(void);
136
137/*--------------------------------------------------------------------------
138 Suspend/Resume
139 -------------------------------------------------------------------------- */
140extern int acpi_sleep_init(void);
141
142#ifdef CONFIG_ACPI_SLEEP
143int acpi_sleep_proc_init(void);
144int suspend_nvs_alloc(void);
145void suspend_nvs_free(void);
146int suspend_nvs_save(void);
147void suspend_nvs_restore(void);
148#else
149static inline int acpi_sleep_proc_init(void) { return 0; }
150static inline int suspend_nvs_alloc(void) { return 0; }
151static inline void suspend_nvs_free(void) {}
152static inline int suspend_nvs_save(void) { return 0; }
153static inline void suspend_nvs_restore(void) {}
154#endif
155
156/*--------------------------------------------------------------------------
157 Platform bus support
158 -------------------------------------------------------------------------- */
159struct platform_device;
160
161int acpi_create_platform_device(struct acpi_device *adev,
162 const struct acpi_device_id *id);
163
164/*--------------------------------------------------------------------------
165 Video
166 -------------------------------------------------------------------------- */
167#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
168bool acpi_osi_is_win8(void);
169#endif
170
171#endif /* _ACPI_INTERNAL_H_ */