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 26 int init_acpi_device_notify(void); 27 int acpi_scan_init(void); 28 void acpi_pci_root_init(void); 29 void acpi_pci_link_init(void); 30 void acpi_platform_init(void); 31 int acpi_sysfs_init(void); 32 void acpi_csrt_init(void); 33 #ifdef CONFIG_ACPI_CONTAINER 34 void acpi_container_init(void); 35 #else 36 static inline void acpi_container_init(void) {} 37 #endif 38 39 #ifdef CONFIG_DEBUG_FS 40 extern struct dentry *acpi_debugfs_dir; 41 int acpi_debugfs_init(void); 42 #else 43 static inline void acpi_debugfs_init(void) { return; } 44 #endif 45 46 /* -------------------------------------------------------------------------- 47 Device Node Initialization / Removal 48 -------------------------------------------------------------------------- */ 49 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 50 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 51 52 int acpi_device_add(struct acpi_device *device, 53 void (*release)(struct device *)); 54 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 55 int type, unsigned long long sta); 56 void acpi_device_add_finalize(struct acpi_device *device); 57 void acpi_free_ids(struct acpi_device *device); 58 59 /* -------------------------------------------------------------------------- 60 Power Resource 61 -------------------------------------------------------------------------- */ 62 int acpi_power_init(void); 63 void acpi_power_resources_list_free(struct list_head *list); 64 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 65 struct list_head *list); 66 int acpi_add_power_resource(acpi_handle handle); 67 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 68 int acpi_power_min_system_level(struct list_head *list); 69 int acpi_device_sleep_wake(struct acpi_device *dev, 70 int enable, int sleep_state, int dev_state); 71 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 72 int acpi_power_on_resources(struct acpi_device *device, int state); 73 int acpi_power_transition(struct acpi_device *device, int state); 74 75 int acpi_wakeup_device_init(void); 76 void acpi_early_processor_set_pdc(void); 77 78 /* -------------------------------------------------------------------------- 79 Embedded Controller 80 -------------------------------------------------------------------------- */ 81 struct acpi_ec { 82 acpi_handle handle; 83 unsigned long gpe; 84 unsigned long command_addr; 85 unsigned long data_addr; 86 unsigned long global_lock; 87 unsigned long flags; 88 struct mutex mutex; 89 wait_queue_head_t wait; 90 struct list_head list; 91 struct transaction *curr; 92 spinlock_t lock; 93 }; 94 95 extern struct acpi_ec *first_ec; 96 97 int acpi_ec_init(void); 98 int acpi_ec_ecdt_probe(void); 99 int acpi_boot_ec_enable(void); 100 void acpi_ec_block_transactions(void); 101 void acpi_ec_unblock_transactions(void); 102 void acpi_ec_unblock_transactions_early(void); 103 104 /*-------------------------------------------------------------------------- 105 Suspend/Resume 106 -------------------------------------------------------------------------- */ 107 extern int acpi_sleep_init(void); 108 109 #ifdef CONFIG_ACPI_SLEEP 110 int acpi_sleep_proc_init(void); 111 int suspend_nvs_alloc(void); 112 void suspend_nvs_free(void); 113 int suspend_nvs_save(void); 114 void suspend_nvs_restore(void); 115 #else 116 static inline int acpi_sleep_proc_init(void) { return 0; } 117 static inline int suspend_nvs_alloc(void) { return 0; } 118 static inline void suspend_nvs_free(void) {} 119 static inline int suspend_nvs_save(void) { return 0; } 120 static inline void suspend_nvs_restore(void) {} 121 #endif 122 123 /*-------------------------------------------------------------------------- 124 Platform bus support 125 -------------------------------------------------------------------------- */ 126 struct platform_device; 127 128 #endif /* _ACPI_INTERNAL_H_ */ 129