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 #ifdef CONFIG_ACPI_PCI_SLOT 29 void acpi_pci_slot_init(void); 30 #else 31 static inline void acpi_pci_slot_init(void) { } 32 #endif 33 void acpi_pci_root_init(void); 34 void acpi_pci_link_init(void); 35 void acpi_pci_root_hp_init(void); 36 void acpi_platform_init(void); 37 int acpi_sysfs_init(void); 38 void acpi_csrt_init(void); 39 #ifdef CONFIG_ACPI_CONTAINER 40 void acpi_container_init(void); 41 #else 42 static inline void acpi_container_init(void) {} 43 #endif 44 45 #ifdef CONFIG_DEBUG_FS 46 extern struct dentry *acpi_debugfs_dir; 47 int acpi_debugfs_init(void); 48 #else 49 static inline void acpi_debugfs_init(void) { return; } 50 #endif 51 #ifdef CONFIG_X86_INTEL_LPSS 52 void acpi_lpss_init(void); 53 #else 54 static inline void acpi_lpss_init(void) {} 55 #endif 56 57 /* -------------------------------------------------------------------------- 58 Device Node Initialization / Removal 59 -------------------------------------------------------------------------- */ 60 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 61 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 62 63 int acpi_device_add(struct acpi_device *device, 64 void (*release)(struct device *)); 65 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 66 int type, unsigned long long sta); 67 void acpi_device_add_finalize(struct acpi_device *device); 68 void acpi_free_ids(struct acpi_device *device); 69 70 /* -------------------------------------------------------------------------- 71 Power Resource 72 -------------------------------------------------------------------------- */ 73 int acpi_power_init(void); 74 void acpi_power_resources_list_free(struct list_head *list); 75 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 76 struct list_head *list); 77 int acpi_add_power_resource(acpi_handle handle); 78 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 79 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 80 int acpi_device_sleep_wake(struct acpi_device *dev, 81 int enable, int sleep_state, int dev_state); 82 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 83 int acpi_power_on_resources(struct acpi_device *device, int state); 84 int acpi_power_transition(struct acpi_device *device, int state); 85 86 int acpi_wakeup_device_init(void); 87 void acpi_early_processor_set_pdc(void); 88 89 /* -------------------------------------------------------------------------- 90 Embedded Controller 91 -------------------------------------------------------------------------- */ 92 struct acpi_ec { 93 acpi_handle handle; 94 unsigned long gpe; 95 unsigned long command_addr; 96 unsigned long data_addr; 97 unsigned long global_lock; 98 unsigned long flags; 99 struct mutex mutex; 100 wait_queue_head_t wait; 101 struct list_head list; 102 struct transaction *curr; 103 spinlock_t lock; 104 }; 105 106 extern struct acpi_ec *first_ec; 107 108 int acpi_ec_init(void); 109 int acpi_ec_ecdt_probe(void); 110 int acpi_boot_ec_enable(void); 111 void acpi_ec_block_transactions(void); 112 void acpi_ec_unblock_transactions(void); 113 void acpi_ec_unblock_transactions_early(void); 114 115 /*-------------------------------------------------------------------------- 116 Suspend/Resume 117 -------------------------------------------------------------------------- */ 118 extern int acpi_sleep_init(void); 119 120 #ifdef CONFIG_ACPI_SLEEP 121 int acpi_sleep_proc_init(void); 122 int suspend_nvs_alloc(void); 123 void suspend_nvs_free(void); 124 int suspend_nvs_save(void); 125 void suspend_nvs_restore(void); 126 #else 127 static inline int acpi_sleep_proc_init(void) { return 0; } 128 static inline int suspend_nvs_alloc(void) { return 0; } 129 static inline void suspend_nvs_free(void) {} 130 static inline int suspend_nvs_save(void) { return 0; } 131 static inline void suspend_nvs_restore(void) {} 132 #endif 133 134 /*-------------------------------------------------------------------------- 135 Platform bus support 136 -------------------------------------------------------------------------- */ 137 struct platform_device; 138 139 int acpi_create_platform_device(struct acpi_device *adev, 140 const struct acpi_device_id *id); 141 142 #endif /* _ACPI_INTERNAL_H_ */ 143