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269 lines
9.2 KiB
269 lines
9.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* acpi/internal.h |
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* For use by Linux/ACPI infrastructure, not drivers |
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* |
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* Copyright (c) 2009, Intel Corporation. |
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*/ |
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#ifndef _ACPI_INTERNAL_H_ |
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#define _ACPI_INTERNAL_H_ |
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#include <linux/idr.h> |
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#define PREFIX "ACPI: " |
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int early_acpi_osi_init(void); |
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int acpi_osi_init(void); |
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acpi_status acpi_os_initialize1(void); |
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int acpi_scan_init(void); |
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#ifdef CONFIG_PCI |
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void acpi_pci_root_init(void); |
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void acpi_pci_link_init(void); |
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#else |
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static inline void acpi_pci_root_init(void) {} |
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static inline void acpi_pci_link_init(void) {} |
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#endif |
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void acpi_processor_init(void); |
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void acpi_platform_init(void); |
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void acpi_pnp_init(void); |
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void acpi_int340x_thermal_init(void); |
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#ifdef CONFIG_ARM_AMBA |
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void acpi_amba_init(void); |
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#else |
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static inline void acpi_amba_init(void) {} |
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#endif |
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int acpi_sysfs_init(void); |
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void acpi_gpe_apply_masked_gpes(void); |
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void acpi_container_init(void); |
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void acpi_memory_hotplug_init(void); |
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#ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
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void pci_ioapic_remove(struct acpi_pci_root *root); |
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int acpi_ioapic_remove(struct acpi_pci_root *root); |
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#else |
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static inline void pci_ioapic_remove(struct acpi_pci_root *root) { return; } |
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static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } |
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#endif |
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#ifdef CONFIG_ACPI_DOCK |
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void register_dock_dependent_device(struct acpi_device *adev, |
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acpi_handle dshandle); |
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int dock_notify(struct acpi_device *adev, u32 event); |
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void acpi_dock_add(struct acpi_device *adev); |
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#else |
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static inline void register_dock_dependent_device(struct acpi_device *adev, |
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acpi_handle dshandle) {} |
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static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } |
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static inline void acpi_dock_add(struct acpi_device *adev) {} |
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#endif |
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#ifdef CONFIG_X86 |
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void acpi_cmos_rtc_init(void); |
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#else |
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static inline void acpi_cmos_rtc_init(void) {} |
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#endif |
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int acpi_rev_override_setup(char *str); |
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void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, |
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const char *name); |
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int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, |
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const char *hotplug_profile_name); |
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void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); |
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#ifdef CONFIG_DEBUG_FS |
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extern struct dentry *acpi_debugfs_dir; |
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void acpi_debugfs_init(void); |
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#else |
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static inline void acpi_debugfs_init(void) { return; } |
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#endif |
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#ifdef CONFIG_PCI |
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void acpi_lpss_init(void); |
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#else |
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static inline void acpi_lpss_init(void) {} |
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#endif |
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void acpi_apd_init(void); |
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acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); |
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bool acpi_queue_hotplug_work(struct work_struct *work); |
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void acpi_device_hotplug(struct acpi_device *adev, u32 src); |
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bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); |
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acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context); |
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void acpi_scan_table_handler(u32 event, void *table, void *context); |
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/* -------------------------------------------------------------------------- |
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Device Node Initialization / Removal |
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-------------------------------------------------------------------------- */ |
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#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ |
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ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) |
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extern struct list_head acpi_bus_id_list; |
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#define ACPI_MAX_DEVICE_INSTANCES 4096 |
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struct acpi_device_bus_id { |
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const char *bus_id; |
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struct ida instance_ida; |
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struct list_head node; |
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}; |
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int acpi_device_add(struct acpi_device *device, |
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void (*release)(struct device *)); |
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void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, |
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int type, unsigned long long sta, |
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struct acpi_device_info *info); |
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int acpi_device_setup_files(struct acpi_device *dev); |
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void acpi_device_remove_files(struct acpi_device *dev); |
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void acpi_device_add_finalize(struct acpi_device *device); |
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void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); |
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bool acpi_device_is_present(const struct acpi_device *adev); |
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bool acpi_device_is_battery(struct acpi_device *adev); |
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bool acpi_device_is_first_physical_node(struct acpi_device *adev, |
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const struct device *dev); |
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int acpi_bus_register_early_device(int type); |
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/* -------------------------------------------------------------------------- |
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Device Matching and Notification |
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-------------------------------------------------------------------------- */ |
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struct acpi_device *acpi_companion_match(const struct device *dev); |
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int __acpi_device_uevent_modalias(struct acpi_device *adev, |
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struct kobj_uevent_env *env); |
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/* -------------------------------------------------------------------------- |
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Power Resource |
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-------------------------------------------------------------------------- */ |
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int acpi_power_init(void); |
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void acpi_power_resources_list_free(struct list_head *list); |
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int acpi_extract_power_resources(union acpi_object *package, unsigned int start, |
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struct list_head *list); |
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int acpi_add_power_resource(acpi_handle handle); |
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void acpi_power_add_remove_device(struct acpi_device *adev, bool add); |
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int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); |
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int acpi_device_sleep_wake(struct acpi_device *dev, |
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int enable, int sleep_state, int dev_state); |
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int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
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int acpi_power_on_resources(struct acpi_device *device, int state); |
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int acpi_power_transition(struct acpi_device *device, int state); |
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/* -------------------------------------------------------------------------- |
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Device Power Management |
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-------------------------------------------------------------------------- */ |
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int acpi_device_get_power(struct acpi_device *device, int *state); |
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int acpi_wakeup_device_init(void); |
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/* -------------------------------------------------------------------------- |
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Processor |
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-------------------------------------------------------------------------- */ |
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#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC |
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void acpi_early_processor_set_pdc(void); |
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#else |
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static inline void acpi_early_processor_set_pdc(void) {} |
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#endif |
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#ifdef CONFIG_X86 |
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void acpi_early_processor_osc(void); |
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#else |
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static inline void acpi_early_processor_osc(void) {} |
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#endif |
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/* -------------------------------------------------------------------------- |
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Embedded Controller |
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-------------------------------------------------------------------------- */ |
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struct acpi_ec { |
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acpi_handle handle; |
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int gpe; |
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int irq; |
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unsigned long command_addr; |
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unsigned long data_addr; |
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bool global_lock; |
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unsigned long flags; |
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unsigned long reference_count; |
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struct mutex mutex; |
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wait_queue_head_t wait; |
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struct list_head list; |
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struct transaction *curr; |
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spinlock_t lock; |
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struct work_struct work; |
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unsigned long timestamp; |
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unsigned long nr_pending_queries; |
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bool busy_polling; |
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unsigned int polling_guard; |
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}; |
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extern struct acpi_ec *first_ec; |
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/* If we find an EC via the ECDT, we need to keep a ptr to its context */ |
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/* External interfaces use first EC only, so remember */ |
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typedef int (*acpi_ec_query_func) (void *data); |
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void acpi_ec_init(void); |
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void acpi_ec_ecdt_probe(void); |
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void acpi_ec_dsdt_probe(void); |
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void acpi_ec_block_transactions(void); |
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void acpi_ec_unblock_transactions(void); |
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int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, |
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acpi_handle handle, acpi_ec_query_func func, |
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void *data); |
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void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); |
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#ifdef CONFIG_PM_SLEEP |
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void acpi_ec_flush_work(void); |
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bool acpi_ec_dispatch_gpe(void); |
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#endif |
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/*-------------------------------------------------------------------------- |
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Suspend/Resume |
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-------------------------------------------------------------------------- */ |
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#ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT |
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extern bool acpi_s2idle_wakeup(void); |
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extern int acpi_sleep_init(void); |
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#else |
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static inline bool acpi_s2idle_wakeup(void) { return false; } |
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static inline int acpi_sleep_init(void) { return -ENXIO; } |
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#endif |
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#ifdef CONFIG_ACPI_SLEEP |
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void acpi_sleep_proc_init(void); |
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int suspend_nvs_alloc(void); |
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void suspend_nvs_free(void); |
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int suspend_nvs_save(void); |
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void suspend_nvs_restore(void); |
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#else |
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static inline void acpi_sleep_proc_init(void) {} |
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static inline int suspend_nvs_alloc(void) { return 0; } |
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static inline void suspend_nvs_free(void) {} |
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static inline int suspend_nvs_save(void) { return 0; } |
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static inline void suspend_nvs_restore(void) {} |
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#endif |
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/*-------------------------------------------------------------------------- |
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Device properties |
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-------------------------------------------------------------------------- */ |
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#define ACPI_DT_NAMESPACE_HID "PRP0001" |
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void acpi_init_properties(struct acpi_device *adev); |
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void acpi_free_properties(struct acpi_device *adev); |
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#ifdef CONFIG_X86 |
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void acpi_extract_apple_properties(struct acpi_device *adev); |
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#else |
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static inline void acpi_extract_apple_properties(struct acpi_device *adev) {} |
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#endif |
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/*-------------------------------------------------------------------------- |
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Watchdog |
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-------------------------------------------------------------------------- */ |
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#ifdef CONFIG_ACPI_WATCHDOG |
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void acpi_watchdog_init(void); |
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#else |
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static inline void acpi_watchdog_init(void) {} |
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#endif |
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#ifdef CONFIG_ACPI_LPIT |
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void acpi_init_lpit(void); |
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#else |
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static inline void acpi_init_lpit(void) { } |
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#endif |
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#endif /* _ACPI_INTERNAL_H_ */
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