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Len Browna192a952009-07-28 16:45:54 -04001/*
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 *
Len Browna192a952009-07-28 16:45:54 -040016 */
17
Thomas Renninger1195a092010-07-16 13:11:31 +020018#ifndef _ACPI_INTERNAL_H_
19#define _ACPI_INTERNAL_H_
20
Len Browna192a952009-07-28 16:45:54 -040021#define PREFIX "ACPI: "
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060022
Lv Zhenge5f660e2016-05-03 16:49:01 +080023int early_acpi_osi_init(void);
24int acpi_osi_init(void);
Lv Zheng1129c922013-07-23 16:11:55 +080025acpi_status acpi_os_initialize1(void);
Rami Rosenc33cab62015-09-10 23:48:09 +030026void init_acpi_device_notify(void);
Bjorn Helgaase747f272009-03-24 16:49:43 -060027int acpi_scan_init(void);
Rafael J. Wysocki00c43b92013-01-30 14:27:33 +010028void acpi_pci_root_init(void);
Rafael J. Wysocki4daeaf62013-01-30 14:27:37 +010029void acpi_pci_link_init(void);
Rafael J. Wysockiac212b62013-05-03 00:26:22 +020030void acpi_processor_init(void);
Rafael J. Wysocki141a2972013-01-30 14:27:40 +010031void acpi_platform_init(void);
Zhang Ruieec15ed2014-05-30 04:23:01 +020032void acpi_pnp_init(void);
Zhang Rui3230bbf2014-03-14 00:34:05 +080033void acpi_int340x_thermal_init(void);
Graeme Gregory6ce2e182016-01-20 20:29:27 +060034#ifdef CONFIG_ARM_AMBA
35void acpi_amba_init(void);
36#else
37static inline void acpi_amba_init(void) {}
38#endif
Zhang Rui1c8fce22010-07-15 10:46:30 +080039int acpi_sysfs_init(void);
Rafael J. Wysocki737f1a92013-02-08 23:52:39 +010040void acpi_container_init(void);
Rafael J. Wysockicccd4202014-05-30 04:29:14 +020041void acpi_memory_hotplug_init(void);
Jiang Liuc1836192015-02-05 13:44:49 +080042#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
43int acpi_ioapic_add(struct acpi_pci_root *root);
44int acpi_ioapic_remove(struct acpi_pci_root *root);
45#else
46static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
47static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
48#endif
Jiang Liu94add0f2013-06-23 00:59:55 +020049#ifdef CONFIG_ACPI_DOCK
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010050void register_dock_dependent_device(struct acpi_device *adev,
51 acpi_handle dshandle);
52int dock_notify(struct acpi_device *adev, u32 event);
53void acpi_dock_add(struct acpi_device *adev);
Jiang Liu94add0f2013-06-23 00:59:55 +020054#else
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010055static inline void register_dock_dependent_device(struct acpi_device *adev,
56 acpi_handle dshandle) {}
57static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
58static inline void acpi_dock_add(struct acpi_device *adev) {}
Jiang Liu94add0f2013-06-23 00:59:55 +020059#endif
Lan Tianyu2fa97fe2013-06-05 02:27:50 +000060#ifdef CONFIG_X86
61void acpi_cmos_rtc_init(void);
62#else
63static inline void acpi_cmos_rtc_init(void) {}
64#endif
Rafael J. Wysocki18d78b62015-07-03 01:06:00 +020065int acpi_rev_override_setup(char *str);
Bjorn Helgaase747f272009-03-24 16:49:43 -060066
Rafael J. Wysocki683058e2013-05-03 00:26:16 +020067extern bool acpi_force_hot_remove;
68
Rafael J. Wysocki3f8055c2013-03-03 23:08:16 +010069void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
70 const char *name);
71int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
72 const char *hotplug_profile_name);
73void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
74
Zhang Ruia25ee922010-07-15 10:46:15 +080075#ifdef CONFIG_DEBUG_FS
Thomas Renningeraecad4322011-05-26 12:26:23 +020076extern struct dentry *acpi_debugfs_dir;
Nicolas Iooss10742612015-08-01 21:32:17 +080077void acpi_debugfs_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080078#else
Thomas Renningeraecad4322011-05-26 12:26:23 +020079static inline void acpi_debugfs_init(void) { return; }
Zhang Ruia25ee922010-07-15 10:46:15 +080080#endif
Rafael J. Wysockif58b0822013-03-06 23:46:20 +010081void acpi_lpss_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080082
Ken Xue92082a82015-02-06 08:27:51 +080083void acpi_apd_init(void);
84
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010085acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010086bool acpi_queue_hotplug_work(struct work_struct *work);
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010087void acpi_device_hotplug(struct acpi_device *adev, u32 src);
Rafael J. Wysockicaa73ea2013-12-29 15:25:48 +010088bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010089
Octavian Purdila68bdb672016-07-08 19:13:09 +030090acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
91void acpi_scan_table_handler(u32 event, void *table, void *context);
92
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060093/* --------------------------------------------------------------------------
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +010094 Device Node Initialization / Removal
95 -------------------------------------------------------------------------- */
96#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
97 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
98
Lukas Wunner2d12b6b2015-11-25 21:19:55 +010099extern struct list_head acpi_bus_id_list;
100
Lukas Wunneredc345d2016-01-01 22:52:15 +0100101struct acpi_device_bus_id {
Lukas Wunner2d12b6b2015-11-25 21:19:55 +0100102 char bus_id[15];
103 unsigned int instance_no;
104 struct list_head node;
105};
106
Rafael J. Wysockicf860be2013-01-24 12:49:49 +0100107int acpi_device_add(struct acpi_device *device,
108 void (*release)(struct device *));
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +0100109void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
110 int type, unsigned long long sta);
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +0200111int acpi_device_setup_files(struct acpi_device *dev);
112void acpi_device_remove_files(struct acpi_device *dev);
Rafael J. Wysockicf860be2013-01-24 12:49:49 +0100113void acpi_device_add_finalize(struct acpi_device *device);
Toshi Kanic0af4172013-03-04 21:30:42 +0000114void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
Rafael J. Wysocki202317a2013-11-22 21:54:37 +0100115bool acpi_device_is_present(struct acpi_device *adev);
Rafael J. Wysockib43109f2014-02-16 00:09:34 +0100116bool acpi_device_is_battery(struct acpi_device *adev);
Mika Westerberg712e9602015-07-27 18:03:57 +0300117bool acpi_device_is_first_physical_node(struct acpi_device *adev,
118 const struct device *dev);
Aleksey Makarov3b95bd12016-02-16 15:52:38 +0300119struct device *acpi_get_first_physical_node(struct acpi_device *adev);
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +0100120
121/* --------------------------------------------------------------------------
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +0200122 Device Matching and Notification
123 -------------------------------------------------------------------------- */
124struct acpi_device *acpi_companion_match(const struct device *dev);
125int __acpi_device_uevent_modalias(struct acpi_device *adev,
126 struct kobj_uevent_env *env);
127
128/* --------------------------------------------------------------------------
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600129 Power Resource
130 -------------------------------------------------------------------------- */
Bjorn Helgaas44515372009-03-24 16:49:53 -0600131int acpi_power_init(void);
Rafael J. Wysocki0b224522013-01-17 14:11:06 +0100132void acpi_power_resources_list_free(struct list_head *list);
Rafael J. Wysockie88c9c62013-01-17 14:11:07 +0100133int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
134 struct list_head *list);
135int acpi_add_power_resource(acpi_handle handle);
Rafael J. Wysockibc9b6402013-01-17 14:11:05 +0100136void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
Rafael J. Wysockib5d667e2013-02-23 23:15:21 +0100137int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600138int acpi_device_sleep_wake(struct acpi_device *dev,
139 int enable, int sleep_state, int dev_state);
Rafael J. Wysocki32a00d22010-11-25 00:05:17 +0100140int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
Rafael J. Wysocki30d3df42010-11-25 00:06:55 +0100141int acpi_power_on_resources(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600142int acpi_power_transition(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600143
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600144int acpi_wakeup_device_init(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800145
146#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
Alex Chiang78f16992009-12-20 12:19:09 -0700147void acpi_early_processor_set_pdc(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800148#else
149static inline void acpi_early_processor_set_pdc(void) {}
150#endif
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600151
Srinivas Pandruvadaa2121162016-03-23 21:07:39 -0700152#ifdef CONFIG_X86
153void acpi_early_processor_osc(void);
154#else
155static inline void acpi_early_processor_osc(void) {}
156#endif
157
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600158/* --------------------------------------------------------------------------
159 Embedded Controller
160 -------------------------------------------------------------------------- */
Thomas Renninger1195a092010-07-16 13:11:31 +0200161struct acpi_ec {
162 acpi_handle handle;
163 unsigned long gpe;
164 unsigned long command_addr;
165 unsigned long data_addr;
Viresh Kumar621a5f72015-09-26 15:04:07 -0700166 bool global_lock;
Thomas Renninger1195a092010-07-16 13:11:31 +0200167 unsigned long flags;
Lv Zheng9887d222015-02-06 08:57:59 +0800168 unsigned long reference_count;
Feng Tangf351d022012-10-23 01:29:27 +0200169 struct mutex mutex;
Thomas Renninger1195a092010-07-16 13:11:31 +0200170 wait_queue_head_t wait;
171 struct list_head list;
172 struct transaction *curr;
Feng Tangf351d022012-10-23 01:29:27 +0200173 spinlock_t lock;
Lv Zheng74443bb2015-01-14 19:28:47 +0800174 struct work_struct work;
Lv Zhengd8d031a2015-05-15 14:16:42 +0800175 unsigned long timestamp;
Lv Zheng9d8993b2015-06-11 13:21:32 +0800176 unsigned long nr_pending_queries;
Thomas Renninger1195a092010-07-16 13:11:31 +0200177};
178
179extern struct acpi_ec *first_ec;
180
Rashikab8a0b0d2013-12-17 15:02:14 +0530181/* If we find an EC via the ECDT, we need to keep a ptr to its context */
182/* External interfaces use first EC only, so remember */
183typedef int (*acpi_ec_query_func) (void *data);
184
Bjorn Helgaasa5f820f2009-03-24 16:49:48 -0600185int acpi_ec_init(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600186int acpi_ec_ecdt_probe(void);
Lv Zhengdcf15cb2016-06-03 10:26:12 +0800187int acpi_ec_dsdt_probe(void);
Rafael J. Wysockife955682010-04-09 01:40:38 +0200188void acpi_ec_block_transactions(void);
189void acpi_ec_unblock_transactions(void);
190void acpi_ec_unblock_transactions_early(void);
Rashikab8a0b0d2013-12-17 15:02:14 +0530191int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
192 acpi_handle handle, acpi_ec_query_func func,
193 void *data);
194void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
195
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600196
197/*--------------------------------------------------------------------------
198 Suspend/Resume
199 -------------------------------------------------------------------------- */
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000200#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600201extern int acpi_sleep_init(void);
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000202#else
203static inline int acpi_sleep_init(void) { return -ENXIO; }
204#endif
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600205
206#ifdef CONFIG_ACPI_SLEEP
Rami Rosenf934c742015-09-11 17:49:22 +0300207void acpi_sleep_proc_init(void);
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100208int suspend_nvs_alloc(void);
209void suspend_nvs_free(void);
210int suspend_nvs_save(void);
211void suspend_nvs_restore(void);
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600212#else
Rami Rosenf934c742015-09-11 17:49:22 +0300213static inline void acpi_sleep_proc_init(void) {}
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100214static inline int suspend_nvs_alloc(void) { return 0; }
215static inline void suspend_nvs_free(void) {}
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100216static inline int suspend_nvs_save(void) { return 0; }
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100217static inline void suspend_nvs_restore(void) {}
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600218#endif
Thomas Renninger1195a092010-07-16 13:11:31 +0200219
Mika Westerberg91e56872012-10-31 22:45:02 +0100220/*--------------------------------------------------------------------------
Mika Westerbergffdcd952014-10-21 13:33:55 +0200221 Device properties
222 -------------------------------------------------------------------------- */
Rafael J. Wysockiee892092015-05-22 04:24:34 +0200223#define ACPI_DT_NAMESPACE_HID "PRP0001"
224
Mika Westerbergffdcd952014-10-21 13:33:55 +0200225void acpi_init_properties(struct acpi_device *adev);
226void acpi_free_properties(struct acpi_device *adev);
227
Thomas Renninger1195a092010-07-16 13:11:31 +0200228#endif /* _ACPI_INTERNAL_H_ */