| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * acpi/internal.h |
| * For use by Linux/ACPI infrastructure, not drivers |
| * |
| * Copyright (c) 2009, Intel Corporation. |
| */ |
| |
| #ifndef _ACPI_INTERNAL_H_ |
| #define _ACPI_INTERNAL_H_ |
| |
| #include <linux/idr.h> |
| |
| extern struct acpi_device *acpi_root; |
| |
| int early_acpi_osi_init(void); |
| int acpi_osi_init(void); |
| acpi_status acpi_os_initialize1(void); |
| void acpi_scan_init(void); |
| #ifdef CONFIG_PCI |
| void acpi_pci_root_init(void); |
| void acpi_pci_link_init(void); |
| #else |
| static inline void acpi_pci_root_init(void) {} |
| static inline void acpi_pci_link_init(void) {} |
| #endif |
| void acpi_processor_init(void); |
| void acpi_platform_init(void); |
| void acpi_pnp_init(void); |
| void acpi_int340x_thermal_init(void); |
| int acpi_sysfs_init(void); |
| void acpi_gpe_apply_masked_gpes(void); |
| void acpi_container_init(void); |
| void acpi_memory_hotplug_init(void); |
| #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
| void pci_ioapic_remove(struct acpi_pci_root *root); |
| int acpi_ioapic_remove(struct acpi_pci_root *root); |
| #else |
| static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; } |
| static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } |
| #endif |
| #ifdef CONFIG_ACPI_DOCK |
| void register_dock_dependent_device(struct acpi_device *adev, |
| acpi_handle dshandle); |
| int dock_notify(struct acpi_device *adev, u32 event); |
| void acpi_dock_add(struct acpi_device *adev); |
| #else |
| static inline void register_dock_dependent_device(struct acpi_device *adev, |
| acpi_handle dshandle) {} |
| static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } |
| static inline void acpi_dock_add(struct acpi_device *adev) {} |
| #endif |
| #ifdef CONFIG_X86 |
| void acpi_cmos_rtc_init(void); |
| #else |
| static inline void acpi_cmos_rtc_init(void) {} |
| #endif |
| int acpi_rev_override_setup(char *str); |
| |
| void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, |
| const char *name); |
| int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, |
| const char *hotplug_profile_name); |
| void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); |
| |
| #ifdef CONFIG_DEBUG_FS |
| extern struct dentry *acpi_debugfs_dir; |
| void acpi_debugfs_init(void); |
| #else |
| static inline void acpi_debugfs_init(void) { return; } |
| #endif |
| |
| #if defined(CONFIG_X86) && defined(CONFIG_PCI) |
| void acpi_lpss_init(void); |
| #else |
| static inline void acpi_lpss_init(void) {} |
| #endif |
| |
| void acpi_apd_init(void); |
| |
| acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); |
| bool acpi_queue_hotplug_work(struct work_struct *work); |
| void acpi_device_hotplug(struct acpi_device *adev, u32 src); |
| bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); |
| |
| acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context); |
| void acpi_scan_table_notify(void); |
| |
| int acpi_active_trip_temp(struct acpi_device *adev, int id, int *ret_temp); |
| int acpi_passive_trip_temp(struct acpi_device *adev, int *ret_temp); |
| int acpi_hot_trip_temp(struct acpi_device *adev, int *ret_temp); |
| int acpi_critical_trip_temp(struct acpi_device *adev, int *ret_temp); |
| |
| #ifdef CONFIG_ARM64 |
| int acpi_arch_thermal_cpufreq_pctg(void); |
| #else |
| static inline int acpi_arch_thermal_cpufreq_pctg(void) |
| { |
| return 0; |
| } |
| #endif |
| |
| /* -------------------------------------------------------------------------- |
| Device Node Initialization / Removal |
| -------------------------------------------------------------------------- */ |
| #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ |
| ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) |
| |
| extern struct list_head acpi_bus_id_list; |
| |
| struct acpi_device_bus_id { |
| const char *bus_id; |
| struct ida instance_ida; |
| struct list_head node; |
| }; |
| |
| void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, |
| int type, void (*release)(struct device *)); |
| int acpi_tie_acpi_dev(struct acpi_device *adev); |
| int acpi_device_add(struct acpi_device *device); |
| int acpi_device_setup_files(struct acpi_device *dev); |
| void acpi_device_remove_files(struct acpi_device *dev); |
| void acpi_device_add_finalize(struct acpi_device *device); |
| void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); |
| bool acpi_device_is_enabled(const struct acpi_device *adev); |
| bool acpi_device_is_present(const struct acpi_device *adev); |
| bool acpi_device_is_battery(struct acpi_device *adev); |
| bool acpi_device_is_first_physical_node(struct acpi_device *adev, |
| const struct device *dev); |
| int acpi_bus_register_early_device(int type); |
| |
| /* -------------------------------------------------------------------------- |
| Device Matching and Notification |
| -------------------------------------------------------------------------- */ |
| const struct acpi_device *acpi_companion_match(const struct device *dev); |
| int __acpi_device_uevent_modalias(const struct acpi_device *adev, |
| struct kobj_uevent_env *env); |
| |
| /* -------------------------------------------------------------------------- |
| Power Resource |
| -------------------------------------------------------------------------- */ |
| void acpi_power_resources_list_free(struct list_head *list); |
| int acpi_extract_power_resources(union acpi_object *package, unsigned int start, |
| struct list_head *list); |
| struct acpi_device *acpi_add_power_resource(acpi_handle handle); |
| void acpi_power_add_remove_device(struct acpi_device *adev, bool add); |
| int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); |
| int acpi_device_sleep_wake(struct acpi_device *dev, |
| int enable, int sleep_state, int dev_state); |
| int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
| int acpi_power_on_resources(struct acpi_device *device, int state); |
| int acpi_power_transition(struct acpi_device *device, int state); |
| void acpi_turn_off_unused_power_resources(void); |
| |
| /* -------------------------------------------------------------------------- |
| Device Power Management |
| -------------------------------------------------------------------------- */ |
| int acpi_device_get_power(struct acpi_device *device, int *state); |
| int acpi_wakeup_device_init(void); |
| |
| /* -------------------------------------------------------------------------- |
| Processor |
| -------------------------------------------------------------------------- */ |
| #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC |
| void acpi_early_processor_control_setup(void); |
| void acpi_early_processor_set_pdc(void); |
| #ifdef CONFIG_X86 |
| void acpi_proc_quirk_mwait_check(void); |
| #else |
| static inline void acpi_proc_quirk_mwait_check(void) {} |
| #endif |
| bool processor_physically_present(acpi_handle handle); |
| #else |
| static inline void acpi_early_processor_control_setup(void) {} |
| #endif |
| |
| /* -------------------------------------------------------------------------- |
| Embedded Controller |
| -------------------------------------------------------------------------- */ |
| |
| enum acpi_ec_event_state { |
| EC_EVENT_READY = 0, /* Event work can be submitted */ |
| EC_EVENT_IN_PROGRESS, /* Event work is pending or being processed */ |
| EC_EVENT_COMPLETE, /* Event work processing has completed */ |
| }; |
| |
| struct acpi_ec { |
| acpi_handle handle; |
| int gpe; |
| int irq; |
| unsigned long command_addr; |
| unsigned long data_addr; |
| bool global_lock; |
| unsigned long flags; |
| unsigned long reference_count; |
| struct mutex mutex; |
| wait_queue_head_t wait; |
| struct list_head list; |
| struct transaction *curr; |
| spinlock_t lock; |
| struct work_struct work; |
| unsigned long timestamp; |
| enum acpi_ec_event_state event_state; |
| unsigned int events_to_process; |
| unsigned int events_in_progress; |
| unsigned int queries_in_progress; |
| bool busy_polling; |
| unsigned int polling_guard; |
| }; |
| |
| extern struct acpi_ec *first_ec; |
| |
| /* If we find an EC via the ECDT, we need to keep a ptr to its context */ |
| /* External interfaces use first EC only, so remember */ |
| typedef int (*acpi_ec_query_func) (void *data); |
| |
| void acpi_ec_init(void); |
| void acpi_ec_ecdt_probe(void); |
| void acpi_ec_dsdt_probe(void); |
| void acpi_ec_block_transactions(void); |
| void acpi_ec_unblock_transactions(void); |
| int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, |
| acpi_handle handle, acpi_ec_query_func func, |
| void *data); |
| void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); |
| void acpi_ec_register_opregions(struct acpi_device *adev); |
| |
| #ifdef CONFIG_PM_SLEEP |
| void acpi_ec_flush_work(void); |
| bool acpi_ec_dispatch_gpe(void); |
| #endif |
| |
| |
| /*-------------------------------------------------------------------------- |
| Suspend/Resume |
| -------------------------------------------------------------------------- */ |
| #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT |
| extern bool acpi_s2idle_wakeup(void); |
| extern int acpi_sleep_init(void); |
| #else |
| static inline bool acpi_s2idle_wakeup(void) { return false; } |
| static inline int acpi_sleep_init(void) { return -ENXIO; } |
| #endif |
| |
| #ifdef CONFIG_ACPI_SLEEP |
| void acpi_sleep_proc_init(void); |
| int suspend_nvs_alloc(void); |
| void suspend_nvs_free(void); |
| int suspend_nvs_save(void); |
| void suspend_nvs_restore(void); |
| #else |
| static inline void acpi_sleep_proc_init(void) {} |
| static inline int suspend_nvs_alloc(void) { return 0; } |
| static inline void suspend_nvs_free(void) {} |
| static inline int suspend_nvs_save(void) { return 0; } |
| static inline void suspend_nvs_restore(void) {} |
| #endif |
| |
| #ifdef CONFIG_X86 |
| bool force_storage_d3(void); |
| #else |
| static inline bool force_storage_d3(void) |
| { |
| return false; |
| } |
| #endif |
| |
| /*-------------------------------------------------------------------------- |
| Device properties |
| -------------------------------------------------------------------------- */ |
| #define ACPI_DT_NAMESPACE_HID "PRP0001" |
| |
| void acpi_init_properties(struct acpi_device *adev); |
| void acpi_free_properties(struct acpi_device *adev); |
| |
| #ifdef CONFIG_X86 |
| void acpi_extract_apple_properties(struct acpi_device *adev); |
| #else |
| static inline void acpi_extract_apple_properties(struct acpi_device *adev) {} |
| #endif |
| |
| /*-------------------------------------------------------------------------- |
| Watchdog |
| -------------------------------------------------------------------------- */ |
| |
| #ifdef CONFIG_ACPI_WATCHDOG |
| void acpi_watchdog_init(void); |
| #else |
| static inline void acpi_watchdog_init(void) {} |
| #endif |
| |
| #ifdef CONFIG_ACPI_LPIT |
| void acpi_init_lpit(void); |
| #else |
| static inline void acpi_init_lpit(void) { } |
| #endif |
| |
| /*-------------------------------------------------------------------------- |
| ACPI _CRS CSI-2 and MIPI DisCo for Imaging |
| -------------------------------------------------------------------------- */ |
| |
| void acpi_mipi_check_crs_csi2(acpi_handle handle); |
| void acpi_mipi_scan_crs_csi2(void); |
| void acpi_mipi_init_crs_csi2_swnodes(void); |
| void acpi_mipi_crs_csi2_cleanup(void); |
| #ifdef CONFIG_X86 |
| bool acpi_graph_ignore_port(acpi_handle handle); |
| #else |
| static inline bool acpi_graph_ignore_port(acpi_handle handle) { return false; } |
| #endif |
| |
| #endif /* _ACPI_INTERNAL_H_ */ |