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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 Zhengc85cc812016-03-02 14:16:25 +080023void acpi_initrd_initialize_tables(void);
Lv Zheng1129c922013-07-23 16:11:55 +080024acpi_status acpi_os_initialize1(void);
Rami Rosenc33cab62015-09-10 23:48:09 +030025void init_acpi_device_notify(void);
Bjorn Helgaase747f272009-03-24 16:49:43 -060026int acpi_scan_init(void);
Rafael J. Wysocki00c43b92013-01-30 14:27:33 +010027void acpi_pci_root_init(void);
Rafael J. Wysocki4daeaf62013-01-30 14:27:37 +010028void acpi_pci_link_init(void);
Rafael J. Wysockiac212b62013-05-03 00:26:22 +020029void acpi_processor_init(void);
Rafael J. Wysocki141a2972013-01-30 14:27:40 +010030void acpi_platform_init(void);
Zhang Ruieec15ed2014-05-30 04:23:01 +020031void acpi_pnp_init(void);
Zhang Rui3230bbf2014-03-14 00:34:05 +080032void acpi_int340x_thermal_init(void);
Graeme Gregory6ce2e182016-01-20 20:29:27 +060033#ifdef CONFIG_ARM_AMBA
34void acpi_amba_init(void);
35#else
36static inline void acpi_amba_init(void) {}
37#endif
Zhang Rui1c8fce22010-07-15 10:46:30 +080038int acpi_sysfs_init(void);
Rafael J. Wysocki737f1a92013-02-08 23:52:39 +010039void acpi_container_init(void);
Rafael J. Wysockicccd4202014-05-30 04:29:14 +020040void acpi_memory_hotplug_init(void);
Jiang Liuc1836192015-02-05 13:44:49 +080041#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC
42int acpi_ioapic_add(struct acpi_pci_root *root);
43int acpi_ioapic_remove(struct acpi_pci_root *root);
44#else
45static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
46static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; }
47#endif
Jiang Liu94add0f2013-06-23 00:59:55 +020048#ifdef CONFIG_ACPI_DOCK
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010049void register_dock_dependent_device(struct acpi_device *adev,
50 acpi_handle dshandle);
51int dock_notify(struct acpi_device *adev, u32 event);
52void acpi_dock_add(struct acpi_device *adev);
Jiang Liu94add0f2013-06-23 00:59:55 +020053#else
Rafael J. Wysocki1e2380c2014-02-16 01:51:01 +010054static inline void register_dock_dependent_device(struct acpi_device *adev,
55 acpi_handle dshandle) {}
56static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; }
57static inline void acpi_dock_add(struct acpi_device *adev) {}
Jiang Liu94add0f2013-06-23 00:59:55 +020058#endif
Lan Tianyu2fa97fe2013-06-05 02:27:50 +000059#ifdef CONFIG_X86
60void acpi_cmos_rtc_init(void);
61#else
62static inline void acpi_cmos_rtc_init(void) {}
63#endif
Rafael J. Wysocki18d78b62015-07-03 01:06:00 +020064int acpi_rev_override_setup(char *str);
Bjorn Helgaase747f272009-03-24 16:49:43 -060065
Rafael J. Wysocki683058e2013-05-03 00:26:16 +020066extern bool acpi_force_hot_remove;
67
Rafael J. Wysocki3f8055c2013-03-03 23:08:16 +010068void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug,
69 const char *name);
70int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler,
71 const char *hotplug_profile_name);
72void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val);
73
Zhang Ruia25ee922010-07-15 10:46:15 +080074#ifdef CONFIG_DEBUG_FS
Thomas Renningeraecad432011-05-26 12:26:23 +020075extern struct dentry *acpi_debugfs_dir;
Nicolas Iooss10742612015-08-01 21:32:17 +080076void acpi_debugfs_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080077#else
Thomas Renningeraecad432011-05-26 12:26:23 +020078static inline void acpi_debugfs_init(void) { return; }
Zhang Ruia25ee922010-07-15 10:46:15 +080079#endif
Rafael J. Wysockif58b0822013-03-06 23:46:20 +010080void acpi_lpss_init(void);
Zhang Ruia25ee922010-07-15 10:46:15 +080081
Ken Xue92082a82015-02-06 08:27:51 +080082void acpi_apd_init(void);
83
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010084acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010085bool acpi_queue_hotplug_work(struct work_struct *work);
Rafael J. Wysocki1e3bcb52014-03-03 00:40:38 +010086void acpi_device_hotplug(struct acpi_device *adev, u32 src);
Rafael J. Wysockicaa73ea2013-12-29 15:25:48 +010087bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent);
Rafael J. Wysockid7831562013-11-22 21:52:12 +010088
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -060089/* --------------------------------------------------------------------------
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +010090 Device Node Initialization / Removal
91 -------------------------------------------------------------------------- */
92#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \
93 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING)
94
Lukas Wunner2d12b6b2015-11-25 21:19:55 +010095extern struct list_head acpi_bus_id_list;
96
Lukas Wunneredc345d2016-01-01 22:52:15 +010097struct acpi_device_bus_id {
Lukas Wunner2d12b6b2015-11-25 21:19:55 +010098 char bus_id[15];
99 unsigned int instance_no;
100 struct list_head node;
101};
102
Rafael J. Wysockicf860be2013-01-24 12:49:49 +0100103int acpi_device_add(struct acpi_device *device,
104 void (*release)(struct device *));
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +0100105void acpi_init_device_object(struct acpi_device *device, acpi_handle handle,
106 int type, unsigned long long sta);
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +0200107int acpi_device_setup_files(struct acpi_device *dev);
108void acpi_device_remove_files(struct acpi_device *dev);
Rafael J. Wysockicf860be2013-01-24 12:49:49 +0100109void acpi_device_add_finalize(struct acpi_device *device);
Toshi Kanic0af4172013-03-04 21:30:42 +0000110void acpi_free_pnp_ids(struct acpi_device_pnp *pnp);
Rafael J. Wysocki202317a2013-11-22 21:54:37 +0100111bool acpi_device_is_present(struct acpi_device *adev);
Rafael J. Wysockib43109f2014-02-16 00:09:34 +0100112bool acpi_device_is_battery(struct acpi_device *adev);
Mika Westerberg712e9602015-07-27 18:03:57 +0300113bool acpi_device_is_first_physical_node(struct acpi_device *adev,
114 const struct device *dev);
Aleksey Makarov3b95bd12016-02-16 15:52:38 +0300115struct device *acpi_get_first_physical_node(struct acpi_device *adev);
Rafael J. Wysocki82c7d5e2013-01-17 14:11:05 +0100116
117/* --------------------------------------------------------------------------
Rafael J. Wysockic2efefb2015-07-17 22:53:43 +0200118 Device Matching and Notification
119 -------------------------------------------------------------------------- */
120struct acpi_device *acpi_companion_match(const struct device *dev);
121int __acpi_device_uevent_modalias(struct acpi_device *adev,
122 struct kobj_uevent_env *env);
123
124/* --------------------------------------------------------------------------
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600125 Power Resource
126 -------------------------------------------------------------------------- */
Bjorn Helgaas44515372009-03-24 16:49:53 -0600127int acpi_power_init(void);
Rafael J. Wysocki0b224522013-01-17 14:11:06 +0100128void acpi_power_resources_list_free(struct list_head *list);
Rafael J. Wysockie88c9c62013-01-17 14:11:07 +0100129int acpi_extract_power_resources(union acpi_object *package, unsigned int start,
130 struct list_head *list);
131int acpi_add_power_resource(acpi_handle handle);
Rafael J. Wysockibc9b6402013-01-17 14:11:05 +0100132void acpi_power_add_remove_device(struct acpi_device *adev, bool add);
Rafael J. Wysockib5d667e2013-02-23 23:15:21 +0100133int acpi_power_wakeup_list_init(struct list_head *list, int *system_level);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600134int acpi_device_sleep_wake(struct acpi_device *dev,
135 int enable, int sleep_state, int dev_state);
Rafael J. Wysocki32a00d22010-11-25 00:05:17 +0100136int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
Rafael J. Wysocki30d3df42010-11-25 00:06:55 +0100137int acpi_power_on_resources(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600138int acpi_power_transition(struct acpi_device *device, int state);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600139
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600140int acpi_wakeup_device_init(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800141
142#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC
Alex Chiang78f16992009-12-20 12:19:09 -0700143void acpi_early_processor_set_pdc(void);
Hanjun Guo46ba51e2014-07-18 18:02:54 +0800144#else
145static inline void acpi_early_processor_set_pdc(void) {}
146#endif
Bjorn Helgaas201b8c62009-03-24 16:50:19 -0600147
Srinivas Pandruvadaa2121162016-03-23 21:07:39 -0700148#ifdef CONFIG_X86
149void acpi_early_processor_osc(void);
150#else
151static inline void acpi_early_processor_osc(void) {}
152#endif
153
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600154/* --------------------------------------------------------------------------
155 Embedded Controller
156 -------------------------------------------------------------------------- */
Thomas Renninger1195a092010-07-16 13:11:31 +0200157struct acpi_ec {
158 acpi_handle handle;
159 unsigned long gpe;
160 unsigned long command_addr;
161 unsigned long data_addr;
Viresh Kumar621a5f72015-09-26 15:04:07 -0700162 bool global_lock;
Thomas Renninger1195a092010-07-16 13:11:31 +0200163 unsigned long flags;
Lv Zheng9887d222015-02-06 08:57:59 +0800164 unsigned long reference_count;
Feng Tangf351d022012-10-23 01:29:27 +0200165 struct mutex mutex;
Thomas Renninger1195a092010-07-16 13:11:31 +0200166 wait_queue_head_t wait;
167 struct list_head list;
168 struct transaction *curr;
Feng Tangf351d022012-10-23 01:29:27 +0200169 spinlock_t lock;
Lv Zheng74443bb2015-01-14 19:28:47 +0800170 struct work_struct work;
Lv Zhengd8d031a2015-05-15 14:16:42 +0800171 unsigned long timestamp;
Lv Zheng9d8993b2015-06-11 13:21:32 +0800172 unsigned long nr_pending_queries;
Thomas Renninger1195a092010-07-16 13:11:31 +0200173};
174
175extern struct acpi_ec *first_ec;
176
Rashikab8a0b0d2013-12-17 15:02:14 +0530177/* If we find an EC via the ECDT, we need to keep a ptr to its context */
178/* External interfaces use first EC only, so remember */
179typedef int (*acpi_ec_query_func) (void *data);
180
Bjorn Helgaasa5f820f2009-03-24 16:49:48 -0600181int acpi_ec_init(void);
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600182int acpi_ec_ecdt_probe(void);
183int acpi_boot_ec_enable(void);
Rafael J. Wysockife955682010-04-09 01:40:38 +0200184void acpi_ec_block_transactions(void);
185void acpi_ec_unblock_transactions(void);
186void acpi_ec_unblock_transactions_early(void);
Rashikab8a0b0d2013-12-17 15:02:14 +0530187int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit,
188 acpi_handle handle, acpi_ec_query_func func,
189 void *data);
190void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit);
191
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600192
193/*--------------------------------------------------------------------------
194 Suspend/Resume
195 -------------------------------------------------------------------------- */
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000196#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
Bjorn Helgaase60cc7a2009-03-13 12:08:26 -0600197extern int acpi_sleep_init(void);
Graeme Gregory6e0a0ea2015-03-24 14:02:39 +0000198#else
199static inline int acpi_sleep_init(void) { return -ENXIO; }
200#endif
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600201
202#ifdef CONFIG_ACPI_SLEEP
Rami Rosenf934c742015-09-11 17:49:22 +0300203void acpi_sleep_proc_init(void);
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100204int suspend_nvs_alloc(void);
205void suspend_nvs_free(void);
206int suspend_nvs_save(void);
207void suspend_nvs_restore(void);
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600208#else
Rami Rosenf934c742015-09-11 17:49:22 +0300209static inline void acpi_sleep_proc_init(void) {}
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100210static inline int suspend_nvs_alloc(void) { return 0; }
211static inline void suspend_nvs_free(void) {}
Rafael J. Wysocki6fed05c2011-01-12 22:03:20 +0100212static inline int suspend_nvs_save(void) { return 0; }
Rafael J. Wysocki976513d2011-01-07 01:43:44 +0100213static inline void suspend_nvs_restore(void) {}
Bjorn Helgaas9cee43e2009-03-24 16:50:14 -0600214#endif
Thomas Renninger1195a092010-07-16 13:11:31 +0200215
Mika Westerberg91e56872012-10-31 22:45:02 +0100216/*--------------------------------------------------------------------------
Mika Westerbergffdcd952014-10-21 13:33:55 +0200217 Device properties
218 -------------------------------------------------------------------------- */
Rafael J. Wysockiee892092015-05-22 04:24:34 +0200219#define ACPI_DT_NAMESPACE_HID "PRP0001"
220
Mika Westerbergffdcd952014-10-21 13:33:55 +0200221void acpi_init_properties(struct acpi_device *adev);
222void acpi_free_properties(struct acpi_device *adev);
223
Thomas Renninger1195a092010-07-16 13:11:31 +0200224#endif /* _ACPI_INTERNAL_H_ */