mirror of https://gitee.com/openkylin/linux.git
226 lines
8.0 KiB
C
226 lines
8.0 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef _ACPI_INTERNAL_H_
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#define _ACPI_INTERNAL_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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void init_acpi_device_notify(void);
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int acpi_scan_init(void);
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void acpi_pci_root_init(void);
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void acpi_pci_link_init(void);
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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_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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int acpi_ioapic_add(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 int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; }
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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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extern bool acpi_force_hot_remove;
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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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void acpi_lpss_init(void);
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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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/* --------------------------------------------------------------------------
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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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struct acpi_device_bus_id {
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char bus_id[15];
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unsigned int instance_no;
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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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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(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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struct device *acpi_get_first_physical_node(struct acpi_device *adev);
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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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int acpi_wakeup_device_init(void);
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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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unsigned long gpe;
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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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};
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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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int acpi_ec_init(void);
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int acpi_ec_ecdt_probe(void);
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int 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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void acpi_ec_unblock_transactions_early(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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/*--------------------------------------------------------------------------
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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 int acpi_sleep_init(void);
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#else
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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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#endif /* _ACPI_INTERNAL_H_ */
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