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_processor_init(void);
32void acpi_platform_init(void);
33void acpi_pnp_init(void);
34void acpi_int340x_thermal_init(void);
35int acpi_sysfs_init(void);
36void acpi_container_init(void);
37void acpi_memory_hotplug_init(void);
38#ifdef	CONFIG_ACPI_HOTPLUG_IOAPIC
39int acpi_ioapic_add(struct acpi_pci_root *root);
40int acpi_ioapic_remove(struct acpi_pci_root *root);
41#else
42static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
43static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
44#endif
45#ifdef CONFIG_ACPI_DOCK
46void register_dock_dependent_device(struct acpi_device *adev,
47				    acpi_handle dshandle);
48int dock_notify(struct acpi_device *adev, u32 event);
49void acpi_dock_add(struct acpi_device *adev);
50#else
51static inline void register_dock_dependent_device(struct acpi_device *adev,
52						  acpi_handle dshandle) {}
53static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
54static inline void acpi_dock_add(struct acpi_device *adev) {}
55#endif
56#ifdef CONFIG_X86
57void acpi_cmos_rtc_init(void);
58#else
59static inline void acpi_cmos_rtc_init(void) {}
60#endif
61
62extern bool acpi_force_hot_remove;
63
64void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
65				    const char *name);
66int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
67				       const char *hotplug_profile_name);
68void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
69
70#ifdef CONFIG_DEBUG_FS
71extern struct dentry *acpi_debugfs_dir;
72int acpi_debugfs_init(void);
73#else
74static inline void acpi_debugfs_init(void) { return; }
75#endif
76void acpi_lpss_init(void);
77
78void acpi_apd_init(void);
79
80acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
81bool acpi_queue_hotplug_work(struct work_struct *work);
82void acpi_device_hotplug(struct acpi_device *adev, u32 src);
83bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
84
85/* --------------------------------------------------------------------------
86                     Device Node Initialization / Removal
87   -------------------------------------------------------------------------- */
88#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
89			  ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
90
91int acpi_device_add(struct acpi_device *device,
92		    void (*release)(struct device *));
93void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
94			     int type, unsigned long long sta);
95void acpi_device_add_finalize(struct acpi_device *device);
96void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
97bool acpi_device_is_present(struct acpi_device *adev);
98bool acpi_device_is_battery(struct acpi_device *adev);
99
100/* --------------------------------------------------------------------------
101                                  Power Resource
102   -------------------------------------------------------------------------- */
103int acpi_power_init(void);
104void acpi_power_resources_list_free(struct list_head *list);
105int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
106				 struct list_head *list);
107int acpi_add_power_resource(acpi_handle handle);
108void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
109int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
110int acpi_device_sleep_wake(struct acpi_device *dev,
111                           int enable, int sleep_state, int dev_state);
112int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
113int acpi_power_on_resources(struct acpi_device *device, int state);
114int acpi_power_transition(struct acpi_device *device, int state);
115
116int acpi_wakeup_device_init(void);
117
118#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
119void acpi_early_processor_set_pdc(void);
120#else
121static inline void acpi_early_processor_set_pdc(void) {}
122#endif
123
124/* --------------------------------------------------------------------------
125                                  Embedded Controller
126   -------------------------------------------------------------------------- */
127struct acpi_ec {
128	acpi_handle handle;
129	unsigned long gpe;
130	unsigned long command_addr;
131	unsigned long data_addr;
132	unsigned long global_lock;
133	unsigned long flags;
134	unsigned long reference_count;
135	struct mutex mutex;
136	wait_queue_head_t wait;
137	struct list_head list;
138	struct transaction *curr;
139	spinlock_t lock;
140	struct work_struct work;
141};
142
143extern struct acpi_ec *first_ec;
144
145/* If we find an EC via the ECDT, we need to keep a ptr to its context */
146/* External interfaces use first EC only, so remember */
147typedef int (*acpi_ec_query_func) (void *data);
148
149int acpi_ec_init(void);
150int acpi_ec_ecdt_probe(void);
151int acpi_boot_ec_enable(void);
152void acpi_ec_block_transactions(void);
153void acpi_ec_unblock_transactions(void);
154void acpi_ec_unblock_transactions_early(void);
155int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
156			      acpi_handle handle, acpi_ec_query_func func,
157			      void *data);
158void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
159
160
161/*--------------------------------------------------------------------------
162                                  Suspend/Resume
163  -------------------------------------------------------------------------- */
164#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
165extern int acpi_sleep_init(void);
166#else
167static inline int acpi_sleep_init(void) { return -ENXIO; }
168#endif
169
170#ifdef CONFIG_ACPI_SLEEP
171int acpi_sleep_proc_init(void);
172int suspend_nvs_alloc(void);
173void suspend_nvs_free(void);
174int suspend_nvs_save(void);
175void suspend_nvs_restore(void);
176#else
177static inline int acpi_sleep_proc_init(void) { return 0; }
178static inline int suspend_nvs_alloc(void) { return 0; }
179static inline void suspend_nvs_free(void) {}
180static inline int suspend_nvs_save(void) { return 0; }
181static inline void suspend_nvs_restore(void) {}
182#endif
183
184/*--------------------------------------------------------------------------
185					Video
186  -------------------------------------------------------------------------- */
187#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
188bool acpi_osi_is_win8(void);
189#endif
190
191/*--------------------------------------------------------------------------
192				Device properties
193  -------------------------------------------------------------------------- */
194void acpi_init_properties(struct acpi_device *adev);
195void acpi_free_properties(struct acpi_device *adev);
196
197#endif /* _ACPI_INTERNAL_H_ */
198