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 #ifdef CONFIG_ACPI_CONTAINER 39 void acpi_container_init(void); 40 #else 41 static inline void acpi_container_init(void) {} 42 #endif 43 #ifdef CONFIG_ACPI_HOTPLUG_MEMORY 44 void acpi_memory_hotplug_init(void); 45 #else 46 static inline void acpi_memory_hotplug_init(void) {} 47 #endif 48 49 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 50 const char *name); 51 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 52 const char *hotplug_profile_name); 53 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 54 55 #ifdef CONFIG_DEBUG_FS 56 extern struct dentry *acpi_debugfs_dir; 57 int acpi_debugfs_init(void); 58 #else 59 static inline void acpi_debugfs_init(void) { return; } 60 #endif 61 #ifdef CONFIG_X86_INTEL_LPSS 62 void acpi_lpss_init(void); 63 #else 64 static inline void acpi_lpss_init(void) {} 65 #endif 66 67 /* -------------------------------------------------------------------------- 68 Device Node Initialization / Removal 69 -------------------------------------------------------------------------- */ 70 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 71 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 72 73 int acpi_device_add(struct acpi_device *device, 74 void (*release)(struct device *)); 75 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 76 int type, unsigned long long sta); 77 void acpi_device_add_finalize(struct acpi_device *device); 78 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 79 80 /* -------------------------------------------------------------------------- 81 Power Resource 82 -------------------------------------------------------------------------- */ 83 int acpi_power_init(void); 84 void acpi_power_resources_list_free(struct list_head *list); 85 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 86 struct list_head *list); 87 int acpi_add_power_resource(acpi_handle handle); 88 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 89 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 90 int acpi_device_sleep_wake(struct acpi_device *dev, 91 int enable, int sleep_state, int dev_state); 92 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 93 int acpi_power_on_resources(struct acpi_device *device, int state); 94 int acpi_power_transition(struct acpi_device *device, int state); 95 96 int acpi_wakeup_device_init(void); 97 void acpi_early_processor_set_pdc(void); 98 99 /* -------------------------------------------------------------------------- 100 Embedded Controller 101 -------------------------------------------------------------------------- */ 102 struct acpi_ec { 103 acpi_handle handle; 104 unsigned long gpe; 105 unsigned long command_addr; 106 unsigned long data_addr; 107 unsigned long global_lock; 108 unsigned long flags; 109 struct mutex mutex; 110 wait_queue_head_t wait; 111 struct list_head list; 112 struct transaction *curr; 113 spinlock_t lock; 114 }; 115 116 extern struct acpi_ec *first_ec; 117 118 int acpi_ec_init(void); 119 int acpi_ec_ecdt_probe(void); 120 int acpi_boot_ec_enable(void); 121 void acpi_ec_block_transactions(void); 122 void acpi_ec_unblock_transactions(void); 123 void acpi_ec_unblock_transactions_early(void); 124 125 /*-------------------------------------------------------------------------- 126 Suspend/Resume 127 -------------------------------------------------------------------------- */ 128 extern int acpi_sleep_init(void); 129 130 #ifdef CONFIG_ACPI_SLEEP 131 int acpi_sleep_proc_init(void); 132 int suspend_nvs_alloc(void); 133 void suspend_nvs_free(void); 134 int suspend_nvs_save(void); 135 void suspend_nvs_restore(void); 136 #else 137 static inline int acpi_sleep_proc_init(void) { return 0; } 138 static inline int suspend_nvs_alloc(void) { return 0; } 139 static inline void suspend_nvs_free(void) {} 140 static inline int suspend_nvs_save(void) { return 0; } 141 static inline void suspend_nvs_restore(void) {} 142 #endif 143 144 /*-------------------------------------------------------------------------- 145 Platform bus support 146 -------------------------------------------------------------------------- */ 147 struct platform_device; 148 149 int acpi_create_platform_device(struct acpi_device *adev, 150 const struct acpi_device_id *id); 151 152 #endif /* _ACPI_INTERNAL_H_ */ 153