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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 Zheng1129c922013-07-23 16:11:55 +080023acpi_status acpi_os_initialize1(void);
Rami Rosenc33cab62015-09-10 23:48:09 +030024void init_acpi_device_notify(void);
Bjorn Helgaase747f272009-03-24 16:49:43 -060025int acpi_scan_init(void);
Rafael J. Wysocki00c43b92013-01-30 14:27:33 +010026void acpi_pci_root_init(void);
Rafael J. Wysocki4daeaf62013-01-30 14:27:37 +010027void acpi_pci_link_init(void);
Rafael J. Wysockiac212b62013-05-03 00:26:22 +020028void acpi_processor_init(void);
Rafael J. Wysocki141a2972013-01-30 14:27:40 +010029void acpi_platform_init(void);
Zhang Ruieec15ed2014-05-30 04:23:01 +020030void acpi_pnp_init(void);
Zhang Rui3230bbf2014-03-14 00:34:05 +080031void acpi_int340x_thermal_init(void);
Zhang Rui1c8fce22010-07-15 10:46:30 +080032int acpi_sysfs_init(void);
Rafael J. Wysocki737f1a92013-02-08 23:52:39 +010033void acpi_container_init(void);
Rafael J. Wysockicccd4202014-05-30 04:29:14 +020034void acpi_memory_hotplug_init(void);
Jiang Liuc1836192015-02-05 13:44:49 +080035#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
36int acpi_ioapic_add(struct acpi_pci_root *root);
37int acpi_ioapic_remove(struct acpi_pci_root *root);
38#else
39static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
40static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
41#endif
Jiang Liu94add0f2013-06-23 00:59:55 +020042#ifdef CONFIG_ACPI_DOCK
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010043void register_dock_dependent_device(struct acpi_device *adev,
44 acpi_handle dshandle);
45int dock_notify(struct acpi_device *adev, u32 event);
46void acpi_dock_add(struct acpi_device *adev);
Jiang Liu94add0f2013-06-23 00:59:55 +020047#else
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010048static inline void register_dock_dependent_device(struct acpi_device *adev,
49 acpi_handle dshandle) {}
50static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
51static inline void acpi_dock_add(struct acpi_device *adev) {}
Jiang Liu94add0f2013-06-23 00:59:55 +020052#endif
Lan Tianyu2fa97fe2013-06-05 02:27:50 +000053#ifdef CONFIG_X86
54void acpi_cmos_rtc_init(void);
55#else
56static inline void acpi_cmos_rtc_init(void) {}
57#endif
Rafael J. Wysocki18d78b62015-07-03 01:06:00 +020058int acpi_rev_override_setup(char *str);
Bjorn Helgaase747f272009-03-24 16:49:43 -060059
Rafael J. Wysocki683058e2013-05-03 00:26:16 +020060extern bool acpi_force_hot_remove;
61
Rafael J. Wysocki3f8055c2013-03-03 23:08:16 +010062void 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
Zhang Ruia25ee922010-07-15 10:46:15 +080068#ifdef CONFIG_DEBUG_FS
Thomas Renningeraecad432011-05-26 12:26:23 +020069extern struct dentry *acpi_debugfs_dir;
Nicolas Iooss10742612015-08-01 21:32:17 +080070void acpi_debugfs_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080071#else
Thomas Renningeraecad432011-05-26 12:26:23 +020072static inline void acpi_debugfs_init(void) { return; }
Zhang Ruia25ee922010-07-15 10:46:15 +080073#endif
Rafael J. Wysockif58b0822013-03-06 23:46:20 +010074void acpi_lpss_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080075
Ken Xue92082a82015-02-06 08:27:51 +080076void acpi_apd_init(void);
77
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010078acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010079bool acpi_queue_hotplug_work(struct work_struct *work);
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010080void acpi_device_hotplug(struct acpi_device *adev, u32 src);
Rafael J. Wysockicaa73ea2013-12-29 15:25:48 +010081bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010082
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060083/* --------------------------------------------------------------------------
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +010084 Device Node Initialization / Removal
85 -------------------------------------------------------------------------- */
86#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
87 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
88
Rafael J. Wysockicf860be2013-01-24 12:49:49 +010089int acpi_device_add(struct acpi_device *device,
90 void (*release)(struct device *));
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +010091void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
92 int type, unsigned long long sta);
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +020093int acpi_device_setup_files(struct acpi_device *dev);
94void acpi_device_remove_files(struct acpi_device *dev);
Rafael J. Wysockicf860be2013-01-24 12:49:49 +010095void acpi_device_add_finalize(struct acpi_device *device);
Toshi Kanic0af4172013-03-04 21:30:42 +000096void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
Rafael J. Wysocki202317a2013-11-22 21:54:37 +010097bool acpi_device_is_present(struct acpi_device *adev);
Rafael J. Wysockib43109f2014-02-16 00:09:34 +010098bool acpi_device_is_battery(struct acpi_device *adev);
Mika Westerberg712e9602015-07-27 18:03:57 +030099bool acpi_device_is_first_physical_node(struct acpi_device *adev,
100 const struct device *dev);
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +0100101
102/* --------------------------------------------------------------------------
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +0200103 Device Matching and Notification
104 -------------------------------------------------------------------------- */
105struct acpi_device *acpi_companion_match(const struct device *dev);
106int __acpi_device_uevent_modalias(struct acpi_device *adev,
107 struct kobj_uevent_env *env);
108
109/* --------------------------------------------------------------------------
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600110 Power Resource
111 -------------------------------------------------------------------------- */
Bjorn Helgaas44515372009-03-24 16:49:53 -0600112int acpi_power_init(void);
Rafael J. Wysocki0b224522013-01-17 14:11:06 +0100113void acpi_power_resources_list_free(struct list_head *list);
Rafael J. Wysockie88c9c62013-01-17 14:11:07 +0100114int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
115 struct list_head *list);
116int acpi_add_power_resource(acpi_handle handle);
Rafael J. Wysockibc9b6402013-01-17 14:11:05 +0100117void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
Rafael J. Wysockib5d667e2013-02-23 23:15:21 +0100118int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600119int acpi_device_sleep_wake(struct acpi_device *dev,
120 int enable, int sleep_state, int dev_state);
Rafael J. Wysocki32a00d22010-11-25 00:05:17 +0100121int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
Rafael J. Wysocki30d3df42010-11-25 00:06:55 +0100122int acpi_power_on_resources(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600123int acpi_power_transition(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600124
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600125int acpi_wakeup_device_init(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800126
127#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
Alex Chiang78f16992009-12-20 12:19:09 -0700128void acpi_early_processor_set_pdc(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800129#else
130static inline void acpi_early_processor_set_pdc(void) {}
131#endif
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600132
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600133/* --------------------------------------------------------------------------
134 Embedded Controller
135 -------------------------------------------------------------------------- */
Thomas Renninger1195a092010-07-16 13:11:31 +0200136struct acpi_ec {
137 acpi_handle handle;
138 unsigned long gpe;
139 unsigned long command_addr;
140 unsigned long data_addr;
Viresh Kumar621a5f72015-09-26 15:04:07 -0700141 bool global_lock;
Thomas Renninger1195a092010-07-16 13:11:31 +0200142 unsigned long flags;
Lv Zheng9887d222015-02-06 08:57:59 +0800143 unsigned long reference_count;
Feng Tangf351d022012-10-23 01:29:27 +0200144 struct mutex mutex;
Thomas Renninger1195a092010-07-16 13:11:31 +0200145 wait_queue_head_t wait;
146 struct list_head list;
147 struct transaction *curr;
Feng Tangf351d022012-10-23 01:29:27 +0200148 spinlock_t lock;
Lv Zheng74443bb2015-01-14 19:28:47 +0800149 struct work_struct work;
Lv Zhengd8d031a2015-05-15 14:16:42 +0800150 unsigned long timestamp;
Lv Zheng9d8993b2015-06-11 13:21:32 +0800151 unsigned long nr_pending_queries;
Thomas Renninger1195a092010-07-16 13:11:31 +0200152};
153
154extern struct acpi_ec *first_ec;
155
Rashikab8a0b0d2013-12-17 15:02:14 +0530156/* If we find an EC via the ECDT, we need to keep a ptr to its context */
157/* External interfaces use first EC only, so remember */
158typedef int (*acpi_ec_query_func) (void *data);
159
Bjorn Helgaasa5f820f2009-03-24 16:49:48 -0600160int acpi_ec_init(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600161int acpi_ec_ecdt_probe(void);
162int acpi_boot_ec_enable(void);
Rafael J. Wysockife955682010-04-09 01:40:38 +0200163void acpi_ec_block_transactions(void);
164void acpi_ec_unblock_transactions(void);
165void acpi_ec_unblock_transactions_early(void);
Rashikab8a0b0d2013-12-17 15:02:14 +0530166int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
167 acpi_handle handle, acpi_ec_query_func func,
168 void *data);
169void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
170
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600171
172/*--------------------------------------------------------------------------
173 Suspend/Resume
174 -------------------------------------------------------------------------- */
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000175#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600176extern int acpi_sleep_init(void);
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000177#else
178static inline int acpi_sleep_init(void) { return -ENXIO; }
179#endif
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600180
181#ifdef CONFIG_ACPI_SLEEP
Rami Rosenf934c742015-09-11 17:49:22 +0300182void acpi_sleep_proc_init(void);
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100183int suspend_nvs_alloc(void);
184void suspend_nvs_free(void);
185int suspend_nvs_save(void);
186void suspend_nvs_restore(void);
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600187#else
Rami Rosenf934c742015-09-11 17:49:22 +0300188static inline void acpi_sleep_proc_init(void) {}
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100189static inline int suspend_nvs_alloc(void) { return 0; }
190static inline void suspend_nvs_free(void) {}
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100191static inline int suspend_nvs_save(void) { return 0; }
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100192static inline void suspend_nvs_restore(void) {}
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600193#endif
Thomas Renninger1195a092010-07-16 13:11:31 +0200194
Mika Westerberg91e56872012-10-31 22:45:02 +0100195/*--------------------------------------------------------------------------
Mika Westerbergffdcd952014-10-21 13:33:55 +0200196 Device properties
197 -------------------------------------------------------------------------- */
Rafael J. Wysockiee892092015-05-22 04:24:34 +0200198#define ACPI_DT_NAMESPACE_HID "PRP0001"
199
Mika Westerbergffdcd952014-10-21 13:33:55 +0200200void acpi_init_properties(struct acpi_device *adev);
201void acpi_free_properties(struct acpi_device *adev);
202
Thomas Renninger1195a092010-07-16 13:11:31 +0200203#endif /* _ACPI_INTERNAL_H_ */