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 */ 17 18 #ifndef _ACPI_INTERNAL_H_ 19 #define _ACPI_INTERNAL_H_ 20 21 #define PREFIX "ACPI: " 22 23 acpi_status acpi_os_initialize1(void); 24 void init_acpi_device_notify(void); 25 int acpi_scan_init(void); 26 void acpi_pci_root_init(void); 27 void acpi_pci_link_init(void); 28 void acpi_processor_init(void); 29 void acpi_platform_init(void); 30 void acpi_pnp_init(void); 31 void acpi_int340x_thermal_init(void); 32 int acpi_sysfs_init(void); 33 void acpi_container_init(void); 34 void acpi_memory_hotplug_init(void); 35 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 36 int acpi_ioapic_add(struct acpi_pci_root *root); 37 int acpi_ioapic_remove(struct acpi_pci_root *root); 38 #else 39 static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; } 40 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } 41 #endif 42 #ifdef CONFIG_ACPI_DOCK 43 void register_dock_dependent_device(struct acpi_device *adev, 44 acpi_handle dshandle); 45 int dock_notify(struct acpi_device *adev, u32 event); 46 void acpi_dock_add(struct acpi_device *adev); 47 #else 48 static inline void register_dock_dependent_device(struct acpi_device *adev, 49 acpi_handle dshandle) {} 50 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } 51 static inline void acpi_dock_add(struct acpi_device *adev) {} 52 #endif 53 #ifdef CONFIG_X86 54 void acpi_cmos_rtc_init(void); 55 #else 56 static inline void acpi_cmos_rtc_init(void) {} 57 #endif 58 int acpi_rev_override_setup(char *str); 59 60 extern bool acpi_force_hot_remove; 61 62 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 63 const char *name); 64 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 65 const char *hotplug_profile_name); 66 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 67 68 #ifdef CONFIG_DEBUG_FS 69 extern struct dentry *acpi_debugfs_dir; 70 void acpi_debugfs_init(void); 71 #else 72 static inline void acpi_debugfs_init(void) { return; } 73 #endif 74 void acpi_lpss_init(void); 75 76 void acpi_apd_init(void); 77 78 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); 79 bool acpi_queue_hotplug_work(struct work_struct *work); 80 void acpi_device_hotplug(struct acpi_device *adev, u32 src); 81 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); 82 83 /* -------------------------------------------------------------------------- 84 Device Node Initialization / Removal 85 -------------------------------------------------------------------------- */ 86 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 87 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 88 89 int acpi_device_add(struct acpi_device *device, 90 void (*release)(struct device *)); 91 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 92 int type, unsigned long long sta); 93 int acpi_device_setup_files(struct acpi_device *dev); 94 void acpi_device_remove_files(struct acpi_device *dev); 95 void acpi_device_add_finalize(struct acpi_device *device); 96 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 97 bool acpi_device_is_present(struct acpi_device *adev); 98 bool acpi_device_is_battery(struct acpi_device *adev); 99 bool acpi_device_is_first_physical_node(struct acpi_device *adev, 100 const struct device *dev); 101 102 /* -------------------------------------------------------------------------- 103 Device Matching and Notification 104 -------------------------------------------------------------------------- */ 105 struct acpi_device *acpi_companion_match(const struct device *dev); 106 int __acpi_device_uevent_modalias(struct acpi_device *adev, 107 struct kobj_uevent_env *env); 108 109 /* -------------------------------------------------------------------------- 110 Power Resource 111 -------------------------------------------------------------------------- */ 112 int acpi_power_init(void); 113 void acpi_power_resources_list_free(struct list_head *list); 114 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 115 struct list_head *list); 116 int acpi_add_power_resource(acpi_handle handle); 117 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 118 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 119 int acpi_device_sleep_wake(struct acpi_device *dev, 120 int enable, int sleep_state, int dev_state); 121 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 122 int acpi_power_on_resources(struct acpi_device *device, int state); 123 int acpi_power_transition(struct acpi_device *device, int state); 124 125 int acpi_wakeup_device_init(void); 126 127 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC 128 void acpi_early_processor_set_pdc(void); 129 #else 130 static inline void acpi_early_processor_set_pdc(void) {} 131 #endif 132 133 /* -------------------------------------------------------------------------- 134 Embedded Controller 135 -------------------------------------------------------------------------- */ 136 struct acpi_ec { 137 acpi_handle handle; 138 unsigned long gpe; 139 unsigned long command_addr; 140 unsigned long data_addr; 141 bool global_lock; 142 unsigned long flags; 143 unsigned long reference_count; 144 struct mutex mutex; 145 wait_queue_head_t wait; 146 struct list_head list; 147 struct transaction *curr; 148 spinlock_t lock; 149 struct work_struct work; 150 unsigned long timestamp; 151 unsigned long nr_pending_queries; 152 }; 153 154 extern struct acpi_ec *first_ec; 155 156 /* If we find an EC via the ECDT, we need to keep a ptr to its context */ 157 /* External interfaces use first EC only, so remember */ 158 typedef int (*acpi_ec_query_func) (void *data); 159 160 int acpi_ec_init(void); 161 int acpi_ec_ecdt_probe(void); 162 int acpi_boot_ec_enable(void); 163 void acpi_ec_block_transactions(void); 164 void acpi_ec_unblock_transactions(void); 165 void acpi_ec_unblock_transactions_early(void); 166 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 167 acpi_handle handle, acpi_ec_query_func func, 168 void *data); 169 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 170 171 172 /*-------------------------------------------------------------------------- 173 Suspend/Resume 174 -------------------------------------------------------------------------- */ 175 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT 176 extern int acpi_sleep_init(void); 177 #else 178 static inline int acpi_sleep_init(void) { return -ENXIO; } 179 #endif 180 181 #ifdef CONFIG_ACPI_SLEEP 182 void acpi_sleep_proc_init(void); 183 int suspend_nvs_alloc(void); 184 void suspend_nvs_free(void); 185 int suspend_nvs_save(void); 186 void suspend_nvs_restore(void); 187 #else 188 static inline void acpi_sleep_proc_init(void) {} 189 static inline int suspend_nvs_alloc(void) { return 0; } 190 static inline void suspend_nvs_free(void) {} 191 static inline int suspend_nvs_save(void) { return 0; } 192 static inline void suspend_nvs_restore(void) {} 193 #endif 194 195 /*-------------------------------------------------------------------------- 196 Device properties 197 -------------------------------------------------------------------------- */ 198 #define ACPI_DT_NAMESPACE_HID "PRP0001" 199 200 void acpi_init_properties(struct acpi_device *adev); 201 void acpi_free_properties(struct acpi_device *adev); 202 203 #endif /* _ACPI_INTERNAL_H_ */ 204