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1/* 2 * acpi/internal.h 3 * For use by Linux/ACPI infrastructure, not drivers 4 * 5 * Copyright (c) 2009, Intel Corporation. 6 * 7 * This program is free software; you can redistribute it and/or modify it 8 * under the terms and conditions of the GNU General Public License, 9 * version 2, as published by the Free Software Foundation. 10 * 11 * This program is distributed in the hope it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 14 * more details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21#ifndef _ACPI_INTERNAL_H_ 22#define _ACPI_INTERNAL_H_ 23 24#define PREFIX "ACPI: " 25 26int init_acpi_device_notify(void); 27int acpi_scan_init(void); 28#ifdef CONFIG_ACPI_PCI_SLOT 29void acpi_pci_slot_init(void); 30#else 31static inline void acpi_pci_slot_init(void) { } 32#endif 33void acpi_pci_root_init(void); 34void acpi_pci_link_init(void); 35void acpi_pci_root_hp_init(void); 36void acpi_platform_init(void); 37int acpi_sysfs_init(void); 38void acpi_csrt_init(void); 39#ifdef CONFIG_ACPI_CONTAINER 40void acpi_container_init(void); 41#else 42static inline void acpi_container_init(void) {} 43#endif 44 45#ifdef CONFIG_DEBUG_FS 46extern struct dentry *acpi_debugfs_dir; 47int acpi_debugfs_init(void); 48#else 49static inline void acpi_debugfs_init(void) { return; } 50#endif 51 52/* -------------------------------------------------------------------------- 53 Device Node Initialization / Removal 54 -------------------------------------------------------------------------- */ 55#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 56 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 57 58int acpi_device_add(struct acpi_device *device, 59 void (*release)(struct device *)); 60void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 61 int type, unsigned long long sta); 62void acpi_device_add_finalize(struct acpi_device *device); 63void acpi_free_ids(struct acpi_device *device); 64 65/* -------------------------------------------------------------------------- 66 Power Resource 67 -------------------------------------------------------------------------- */ 68int acpi_power_init(void); 69void acpi_power_resources_list_free(struct list_head *list); 70int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 71 struct list_head *list); 72int acpi_add_power_resource(acpi_handle handle); 73void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 74int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 75int acpi_device_sleep_wake(struct acpi_device *dev, 76 int enable, int sleep_state, int dev_state); 77int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 78int acpi_power_on_resources(struct acpi_device *device, int state); 79int acpi_power_transition(struct acpi_device *device, int state); 80 81int acpi_wakeup_device_init(void); 82void acpi_early_processor_set_pdc(void); 83 84/* -------------------------------------------------------------------------- 85 Embedded Controller 86 -------------------------------------------------------------------------- */ 87struct acpi_ec { 88 acpi_handle handle; 89 unsigned long gpe; 90 unsigned long command_addr; 91 unsigned long data_addr; 92 unsigned long global_lock; 93 unsigned long flags; 94 struct mutex mutex; 95 wait_queue_head_t wait; 96 struct list_head list; 97 struct transaction *curr; 98 spinlock_t lock; 99}; 100 101extern struct acpi_ec *first_ec; 102 103int acpi_ec_init(void); 104int acpi_ec_ecdt_probe(void); 105int acpi_boot_ec_enable(void); 106void acpi_ec_block_transactions(void); 107void acpi_ec_unblock_transactions(void); 108void acpi_ec_unblock_transactions_early(void); 109 110/*-------------------------------------------------------------------------- 111 Suspend/Resume 112 -------------------------------------------------------------------------- */ 113extern int acpi_sleep_init(void); 114 115#ifdef CONFIG_ACPI_SLEEP 116int acpi_sleep_proc_init(void); 117int suspend_nvs_alloc(void); 118void suspend_nvs_free(void); 119int suspend_nvs_save(void); 120void suspend_nvs_restore(void); 121#else 122static inline int acpi_sleep_proc_init(void) { return 0; } 123static inline int suspend_nvs_alloc(void) { return 0; } 124static inline void suspend_nvs_free(void) {} 125static inline int suspend_nvs_save(void) { return 0; } 126static inline void suspend_nvs_restore(void) {} 127#endif 128 129/*-------------------------------------------------------------------------- 130 Platform bus support 131 -------------------------------------------------------------------------- */ 132struct platform_device; 133 134#endif /* _ACPI_INTERNAL_H_ */