/* * acpi/internal.h * For use by Linux/ACPI infrastructure, not drivers * * Copyright (c) 2009, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * */ #ifndef _ACPI_INTERNAL_H_ #define _ACPI_INTERNAL_H_ #define PREFIX "ACPI: " acpi_status acpi_os_initialize1(void); void init_acpi_device_notify(void); int acpi_scan_init(void); void acpi_pci_root_init(void); void acpi_pci_link_init(void); 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_container_init(void); void acpi_memory_hotplug_init(void); #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC int acpi_ioapic_add(struct acpi_pci_root *root); int acpi_ioapic_remove(struct acpi_pci_root *root); #else static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; } 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); extern bool acpi_force_hot_remove; 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 void acpi_lpss_init(void); 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); /* -------------------------------------------------------------------------- Device Node Initialization / Removal -------------------------------------------------------------------------- */ #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) int acpi_device_add(struct acpi_device *device, void (*release)(struct device *)); void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, int type, unsigned long long sta); 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_present(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); /* -------------------------------------------------------------------------- Device Matching and Notification -------------------------------------------------------------------------- */ struct acpi_device *acpi_companion_match(const struct device *dev); int __acpi_device_uevent_modalias(struct acpi_device *adev, struct kobj_uevent_env *env); /* -------------------------------------------------------------------------- Power Resource -------------------------------------------------------------------------- */ int acpi_power_init(void); 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); int 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); int acpi_wakeup_device_init(void); #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC void acpi_early_processor_set_pdc(void); #else static inline void acpi_early_processor_set_pdc(void) {} #endif /* -------------------------------------------------------------------------- Embedded Controller -------------------------------------------------------------------------- */ struct acpi_ec { acpi_handle handle; unsigned long gpe; unsigned long command_addr; unsigned long data_addr; unsigned long 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; unsigned long nr_pending_queries; }; 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); int acpi_ec_init(void); int acpi_ec_ecdt_probe(void); int acpi_boot_ec_enable(void); void acpi_ec_block_transactions(void); void acpi_ec_unblock_transactions(void); void acpi_ec_unblock_transactions_early(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); /*-------------------------------------------------------------------------- Suspend/Resume -------------------------------------------------------------------------- */ #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT extern int acpi_sleep_init(void); #else 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 /*-------------------------------------------------------------------------- Device properties -------------------------------------------------------------------------- */ #define ACPI_DT_NAMESPACE_HID "PRP0001" void acpi_init_properties(struct acpi_device *adev); void acpi_free_properties(struct acpi_device *adev); #endif /* _ACPI_INTERNAL_H_ */