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 extern struct list_head acpi_bus_id_list; 90 91 struct acpi_device_bus_id { 92 char bus_id[15]; 93 unsigned int instance_no; 94 struct list_head node; 95 }; 96 97 int acpi_device_add(struct acpi_device *device, 98 void (*release)(struct device *)); 99 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 100 int type, unsigned long long sta); 101 int acpi_device_setup_files(struct acpi_device *dev); 102 void acpi_device_remove_files(struct acpi_device *dev); 103 void acpi_device_add_finalize(struct acpi_device *device); 104 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 105 bool acpi_device_is_present(struct acpi_device *adev); 106 bool acpi_device_is_battery(struct acpi_device *adev); 107 bool acpi_device_is_first_physical_node(struct acpi_device *adev, 108 const struct device *dev); 109 110 /* -------------------------------------------------------------------------- 111 Device Matching and Notification 112 -------------------------------------------------------------------------- */ 113 struct acpi_device *acpi_companion_match(const struct device *dev); 114 int __acpi_device_uevent_modalias(struct acpi_device *adev, 115 struct kobj_uevent_env *env); 116 117 /* -------------------------------------------------------------------------- 118 Power Resource 119 -------------------------------------------------------------------------- */ 120 int acpi_power_init(void); 121 void acpi_power_resources_list_free(struct list_head *list); 122 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 123 struct list_head *list); 124 int acpi_add_power_resource(acpi_handle handle); 125 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 126 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 127 int acpi_device_sleep_wake(struct acpi_device *dev, 128 int enable, int sleep_state, int dev_state); 129 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 130 int acpi_power_on_resources(struct acpi_device *device, int state); 131 int acpi_power_transition(struct acpi_device *device, int state); 132 133 int acpi_wakeup_device_init(void); 134 135 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC 136 void acpi_early_processor_set_pdc(void); 137 #else 138 static inline void acpi_early_processor_set_pdc(void) {} 139 #endif 140 141 /* -------------------------------------------------------------------------- 142 Embedded Controller 143 -------------------------------------------------------------------------- */ 144 struct acpi_ec { 145 acpi_handle handle; 146 unsigned long gpe; 147 unsigned long command_addr; 148 unsigned long data_addr; 149 bool global_lock; 150 unsigned long flags; 151 unsigned long reference_count; 152 struct mutex mutex; 153 wait_queue_head_t wait; 154 struct list_head list; 155 struct transaction *curr; 156 spinlock_t lock; 157 struct work_struct work; 158 unsigned long timestamp; 159 unsigned long nr_pending_queries; 160 }; 161 162 extern struct acpi_ec *first_ec; 163 164 /* If we find an EC via the ECDT, we need to keep a ptr to its context */ 165 /* External interfaces use first EC only, so remember */ 166 typedef int (*acpi_ec_query_func) (void *data); 167 168 int acpi_ec_init(void); 169 int acpi_ec_ecdt_probe(void); 170 int acpi_boot_ec_enable(void); 171 void acpi_ec_block_transactions(void); 172 void acpi_ec_unblock_transactions(void); 173 void acpi_ec_unblock_transactions_early(void); 174 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 175 acpi_handle handle, acpi_ec_query_func func, 176 void *data); 177 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 178 179 180 /*-------------------------------------------------------------------------- 181 Suspend/Resume 182 -------------------------------------------------------------------------- */ 183 #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT 184 extern int acpi_sleep_init(void); 185 #else 186 static inline int acpi_sleep_init(void) { return -ENXIO; } 187 #endif 188 189 #ifdef CONFIG_ACPI_SLEEP 190 void acpi_sleep_proc_init(void); 191 int suspend_nvs_alloc(void); 192 void suspend_nvs_free(void); 193 int suspend_nvs_save(void); 194 void suspend_nvs_restore(void); 195 #else 196 static inline void acpi_sleep_proc_init(void) {} 197 static inline int suspend_nvs_alloc(void) { return 0; } 198 static inline void suspend_nvs_free(void) {} 199 static inline int suspend_nvs_save(void) { return 0; } 200 static inline void suspend_nvs_restore(void) {} 201 #endif 202 203 /*-------------------------------------------------------------------------- 204 Device properties 205 -------------------------------------------------------------------------- */ 206 #define ACPI_DT_NAMESPACE_HID "PRP0001" 207 208 void acpi_init_properties(struct acpi_device *adev); 209 void acpi_free_properties(struct acpi_device *adev); 210 211 #endif /* _ACPI_INTERNAL_H_ */ 212