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
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_processor_init(void);
37void acpi_platform_init(void);
38int acpi_sysfs_init(void);
39#ifdef CONFIG_ACPI_CONTAINER
40void acpi_container_init(void);
41#else
42static inline void acpi_container_init(void) {}
43#endif
44#ifdef CONFIG_ACPI_DOCK
45void acpi_dock_init(void);
46#else
47static inline void acpi_dock_init(void) {}
48#endif
49#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
50void acpi_memory_hotplug_init(void);
51#else
52static inline void acpi_memory_hotplug_init(void) {}
53#endif
54#ifdef CONFIG_X86
55void acpi_cmos_rtc_init(void);
56#else
57static inline void acpi_cmos_rtc_init(void) {}
58#endif
59
60extern bool acpi_force_hot_remove;
61
62void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
63 const char *name);
64int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
65 const char *hotplug_profile_name);
66void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
67
68#ifdef CONFIG_DEBUG_FS
69extern struct dentry *acpi_debugfs_dir;
70int acpi_debugfs_init(void);
71#else
72static inline void acpi_debugfs_init(void) { return; }
73#endif
74#ifdef CONFIG_X86_INTEL_LPSS
75void acpi_lpss_init(void);
76#else
77static inline void acpi_lpss_init(void) {}
78#endif
79
80/* --------------------------------------------------------------------------
81 Device Node Initialization / Removal
82 -------------------------------------------------------------------------- */
83#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
84 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
85
86int acpi_device_add(struct acpi_device *device,
87 void (*release)(struct device *));
88void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
89 int type, unsigned long long sta);
90void acpi_device_add_finalize(struct acpi_device *device);
91void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
92int acpi_bind_one(struct device *dev, acpi_handle handle);
93int acpi_unbind_one(struct device *dev);
94
95/* --------------------------------------------------------------------------
96 Power Resource
97 -------------------------------------------------------------------------- */
98int acpi_power_init(void);
99void acpi_power_resources_list_free(struct list_head *list);
100int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
101 struct list_head *list);
102int acpi_add_power_resource(acpi_handle handle);
103void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
104int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
105int acpi_device_sleep_wake(struct acpi_device *dev,
106 int enable, int sleep_state, int dev_state);
107int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
108int acpi_power_on_resources(struct acpi_device *device, int state);
109int acpi_power_transition(struct acpi_device *device, int state);
110
111int acpi_wakeup_device_init(void);
112void acpi_early_processor_set_pdc(void);
113
114/* --------------------------------------------------------------------------
115 Embedded Controller
116 -------------------------------------------------------------------------- */
117struct acpi_ec {
118 acpi_handle handle;
119 unsigned long gpe;
120 unsigned long command_addr;
121 unsigned long data_addr;
122 unsigned long global_lock;
123 unsigned long flags;
124 struct mutex mutex;
125 wait_queue_head_t wait;
126 struct list_head list;
127 struct transaction *curr;
128 spinlock_t lock;
129};
130
131extern struct acpi_ec *first_ec;
132
133int acpi_ec_init(void);
134int acpi_ec_ecdt_probe(void);
135int acpi_boot_ec_enable(void);
136void acpi_ec_block_transactions(void);
137void acpi_ec_unblock_transactions(void);
138void acpi_ec_unblock_transactions_early(void);
139
140/*--------------------------------------------------------------------------
141 Suspend/Resume
142 -------------------------------------------------------------------------- */
143extern int acpi_sleep_init(void);
144
145#ifdef CONFIG_ACPI_SLEEP
146int acpi_sleep_proc_init(void);
147int suspend_nvs_alloc(void);
148void suspend_nvs_free(void);
149int suspend_nvs_save(void);
150void suspend_nvs_restore(void);
151#else
152static inline int acpi_sleep_proc_init(void) { return 0; }
153static inline int suspend_nvs_alloc(void) { return 0; }
154static inline void suspend_nvs_free(void) {}
155static inline int suspend_nvs_save(void) { return 0; }
156static inline void suspend_nvs_restore(void) {}
157#endif
158
159/*--------------------------------------------------------------------------
160 Platform bus support
161 -------------------------------------------------------------------------- */
162struct platform_device;
163
164int acpi_create_platform_device(struct acpi_device *adev,
165 const struct acpi_device_id *id);
166
167/*--------------------------------------------------------------------------
168 Video
169 -------------------------------------------------------------------------- */
170#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
171bool acpi_video_backlight_quirks(void);
172#else
173static inline bool acpi_video_backlight_quirks(void) { return false; }
174#endif
175
176#endif /* _ACPI_INTERNAL_H_ */