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32 results

profile.c

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  • internal.h 8.98 KiB
    /*
     * 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: "
    
    int early_acpi_osi_init(void);
    int acpi_osi_init(void);
    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);
    #ifdef CONFIG_ARM_AMBA
    void acpi_amba_init(void);
    #else
    static inline void acpi_amba_init(void) {}
    #endif
    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
    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);
    
    acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context);
    void acpi_scan_table_handler(u32 event, void *table, void *context);
    
    /* --------------------------------------------------------------------------
                         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 {
    	char bus_id[15];
    	unsigned int instance_no;
    	struct list_head node;
    };
    
    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(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
       -------------------------------------------------------------------------- */
    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
    
    #ifdef CONFIG_X86
    void acpi_early_processor_osc(void);
    #else
    static inline void acpi_early_processor_osc(void) {}
    #endif
    
    /* --------------------------------------------------------------------------
                                      Embedded Controller
       -------------------------------------------------------------------------- */
    struct acpi_ec {
    	acpi_handle handle;
    	u32 gpe;
    	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;
    	unsigned long nr_pending_queries;
    	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);
    
    int acpi_ec_init(void);
    int acpi_ec_ecdt_probe(void);
    int acpi_ec_dsdt_probe(void);
    void acpi_ec_block_transactions(void);
    void acpi_ec_unblock_transactions(void);
    void acpi_ec_dispatch_gpe(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);
    
    #ifdef CONFIG_PM_SLEEP
    void acpi_ec_flush_work(void);
    #endif
    
    
    /*--------------------------------------------------------------------------
                                      Suspend/Resume
      -------------------------------------------------------------------------- */
    #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT
    extern bool acpi_s2idle_wakeup(void);
    extern bool acpi_sleep_no_ec_events(void);
    extern int acpi_sleep_init(void);
    #else
    static inline bool acpi_s2idle_wakeup(void) { return false; }
    static inline bool acpi_sleep_no_ec_events(void) { return true; }
    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);
    
    #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
    
    #endif /* _ACPI_INTERNAL_H_ */