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_DOCK
39void register_dock_dependent_device(struct acpi_device *adev,
40				    acpi_handle dshandle);
41int dock_notify(struct acpi_device *adev, u32 event);
42void acpi_dock_add(struct acpi_device *adev);
43#else
44static inline void register_dock_dependent_device(struct acpi_device *adev,
45						  acpi_handle dshandle) {}
46static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
47static inline void acpi_dock_add(struct acpi_device *adev) {}
48#endif
49#ifdef CONFIG_X86
50void acpi_cmos_rtc_init(void);
51#else
52static inline void acpi_cmos_rtc_init(void) {}
53#endif
54
55extern bool acpi_force_hot_remove;
56
57void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
58				    const char *name);
59int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
60				       const char *hotplug_profile_name);
61void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
62
63#ifdef CONFIG_DEBUG_FS
64extern struct dentry *acpi_debugfs_dir;
65int acpi_debugfs_init(void);
66#else
67static inline void acpi_debugfs_init(void) { return; }
68#endif
69void acpi_lpss_init(void);
70
71acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
72bool acpi_queue_hotplug_work(struct work_struct *work);
73void acpi_device_hotplug(struct acpi_device *adev, u32 src);
74bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
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);
88bool acpi_device_is_present(struct acpi_device *adev);
89bool acpi_device_is_battery(struct acpi_device *adev);
90
91/* --------------------------------------------------------------------------
92                                  Power Resource
93   -------------------------------------------------------------------------- */
94int acpi_power_init(void);
95void acpi_power_resources_list_free(struct list_head *list);
96int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
97				 struct list_head *list);
98int acpi_add_power_resource(acpi_handle handle);
99void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
100int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
101int acpi_device_sleep_wake(struct acpi_device *dev,
102                           int enable, int sleep_state, int dev_state);
103int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
104int acpi_power_on_resources(struct acpi_device *device, int state);
105int acpi_power_transition(struct acpi_device *device, int state);
106
107int acpi_wakeup_device_init(void);
108
109#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
110void acpi_early_processor_set_pdc(void);
111#else
112static inline void acpi_early_processor_set_pdc(void) {}
113#endif
114
115/* --------------------------------------------------------------------------
116                                  Embedded Controller
117   -------------------------------------------------------------------------- */
118struct acpi_ec {
119	acpi_handle handle;
120	unsigned long gpe;
121	unsigned long command_addr;
122	unsigned long data_addr;
123	unsigned long global_lock;
124	unsigned long flags;
125	struct mutex mutex;
126	wait_queue_head_t wait;
127	struct list_head list;
128	struct transaction *curr;
129	spinlock_t lock;
130};
131
132extern struct acpi_ec *first_ec;
133
134/* If we find an EC via the ECDT, we need to keep a ptr to its context */
135/* External interfaces use first EC only, so remember */
136typedef int (*acpi_ec_query_func) (void *data);
137
138int acpi_ec_init(void);
139int acpi_ec_ecdt_probe(void);
140int acpi_boot_ec_enable(void);
141void acpi_ec_block_transactions(void);
142void acpi_ec_unblock_transactions(void);
143void acpi_ec_unblock_transactions_early(void);
144int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
145			      acpi_handle handle, acpi_ec_query_func func,
146			      void *data);
147void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
148
149
150/*--------------------------------------------------------------------------
151                                  Suspend/Resume
152  -------------------------------------------------------------------------- */
153extern int acpi_sleep_init(void);
154
155#ifdef CONFIG_ACPI_SLEEP
156int acpi_sleep_proc_init(void);
157int suspend_nvs_alloc(void);
158void suspend_nvs_free(void);
159int suspend_nvs_save(void);
160void suspend_nvs_restore(void);
161#else
162static inline int acpi_sleep_proc_init(void) { return 0; }
163static inline int suspend_nvs_alloc(void) { return 0; }
164static inline void suspend_nvs_free(void) {}
165static inline int suspend_nvs_save(void) { return 0; }
166static inline void suspend_nvs_restore(void) {}
167#endif
168
169/*--------------------------------------------------------------------------
170					Video
171  -------------------------------------------------------------------------- */
172#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
173bool acpi_osi_is_win8(void);
174#endif
175
176#endif /* _ACPI_INTERNAL_H_ */
177