* acpi-lpss: ACPI / LPSS: make code less confusing for reader ACPI / LPSS: Add support for exposing LTR registers to user space ACPI / scan: Add special handler for Intel Lynxpoint LPSS devices
		
			
				
	
	
		
			153 lines
		
	
	
	
		
			5.4 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			153 lines
		
	
	
	
		
			5.4 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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 * You should have received a copy of the GNU General Public License along with
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 * this program; if not, write to the Free Software Foundation, Inc.,
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 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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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 init_acpi_device_notify(void);
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int acpi_scan_init(void);
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#ifdef	CONFIG_ACPI_PCI_SLOT
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void acpi_pci_slot_init(void);
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#else
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static inline void acpi_pci_slot_init(void) { }
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#endif
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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_pci_root_hp_init(void);
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void acpi_platform_init(void);
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int acpi_sysfs_init(void);
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void acpi_csrt_init(void);
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#ifdef CONFIG_ACPI_CONTAINER
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void acpi_container_init(void);
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#else
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static inline void acpi_container_init(void) {}
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#endif
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#ifdef CONFIG_ACPI_HOTPLUG_MEMORY
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void acpi_memory_hotplug_init(void);
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#else
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static inline void acpi_memory_hotplug_init(void) {}
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#endif
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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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int 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_X86_INTEL_LPSS
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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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/* --------------------------------------------------------------------------
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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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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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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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/* --------------------------------------------------------------------------
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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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void acpi_early_processor_set_pdc(void);
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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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	unsigned long global_lock;
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	unsigned long flags;
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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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};
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extern struct acpi_ec *first_ec;
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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_boot_ec_enable(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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/*--------------------------------------------------------------------------
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                                  Suspend/Resume
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  -------------------------------------------------------------------------- */
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extern int acpi_sleep_init(void);
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#ifdef CONFIG_ACPI_SLEEP
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int 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 int acpi_sleep_proc_init(void) { return 0; }
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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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				Platform bus support
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  -------------------------------------------------------------------------- */
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struct platform_device;
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int acpi_create_platform_device(struct acpi_device *adev,
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				const struct acpi_device_id *id);
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#endif /* _ACPI_INTERNAL_H_ */
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