| 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 | int early_acpi_osi_init(void); |
| 24 | int acpi_osi_init(void); |
| 25 | acpi_status acpi_os_initialize1(void); |
| 26 | void 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_processor_init(void); |
| 31 | void acpi_platform_init(void); |
| 32 | void acpi_pnp_init(void); |
| 33 | void acpi_int340x_thermal_init(void); |
| 34 | #ifdef CONFIG_ARM_AMBA |
| 35 | void acpi_amba_init(void); |
| 36 | #else |
| 37 | static inline void acpi_amba_init(void) {} |
| 38 | #endif |
| 39 | int acpi_sysfs_init(void); |
| 40 | void acpi_container_init(void); |
| 41 | void acpi_memory_hotplug_init(void); |
| 42 | #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC |
| 43 | int acpi_ioapic_remove(struct acpi_pci_root *root); |
| 44 | #else |
| 45 | static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } |
| 46 | #endif |
| 47 | #ifdef CONFIG_ACPI_DOCK |
| 48 | void register_dock_dependent_device(struct acpi_device *adev, |
| 49 | acpi_handle dshandle); |
| 50 | int dock_notify(struct acpi_device *adev, u32 event); |
| 51 | void acpi_dock_add(struct acpi_device *adev); |
| 52 | #else |
| 53 | static inline void register_dock_dependent_device(struct acpi_device *adev, |
| 54 | acpi_handle dshandle) {} |
| 55 | static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } |
| 56 | static inline void acpi_dock_add(struct acpi_device *adev) {} |
| 57 | #endif |
| 58 | #ifdef CONFIG_X86 |
| 59 | void acpi_cmos_rtc_init(void); |
| 60 | #else |
| 61 | static inline void acpi_cmos_rtc_init(void) {} |
| 62 | #endif |
| 63 | int acpi_rev_override_setup(char *str); |
| 64 | |
| 65 | extern bool acpi_force_hot_remove; |
| 66 | |
| 67 | void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, |
| 68 | const char *name); |
| 69 | int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, |
| 70 | const char *hotplug_profile_name); |
| 71 | void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); |
| 72 | |
| 73 | #ifdef CONFIG_DEBUG_FS |
| 74 | extern struct dentry *acpi_debugfs_dir; |
| 75 | void acpi_debugfs_init(void); |
| 76 | #else |
| 77 | static inline void acpi_debugfs_init(void) { return; } |
| 78 | #endif |
| 79 | void acpi_lpss_init(void); |
| 80 | |
| 81 | void acpi_apd_init(void); |
| 82 | |
| 83 | acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); |
| 84 | bool acpi_queue_hotplug_work(struct work_struct *work); |
| 85 | void acpi_device_hotplug(struct acpi_device *adev, u32 src); |
| 86 | bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); |
| 87 | |
| 88 | acpi_status acpi_sysfs_table_handler(u32 event, void *table, void *context); |
| 89 | void acpi_scan_table_handler(u32 event, void *table, void *context); |
| 90 | |
| 91 | /* -------------------------------------------------------------------------- |
| 92 | Device Node Initialization / Removal |
| 93 | -------------------------------------------------------------------------- */ |
| 94 | #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ |
| 95 | ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) |
| 96 | |
| 97 | extern struct list_head acpi_bus_id_list; |
| 98 | |
| 99 | struct acpi_device_bus_id { |
| 100 | char bus_id[15]; |
| 101 | unsigned int instance_no; |
| 102 | struct list_head node; |
| 103 | }; |
| 104 | |
| 105 | int acpi_device_add(struct acpi_device *device, |
| 106 | void (*release)(struct device *)); |
| 107 | void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, |
| 108 | int type, unsigned long long sta); |
| 109 | int acpi_device_setup_files(struct acpi_device *dev); |
| 110 | void acpi_device_remove_files(struct acpi_device *dev); |
| 111 | void acpi_device_add_finalize(struct acpi_device *device); |
| 112 | void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); |
| 113 | bool acpi_device_is_present(struct acpi_device *adev); |
| 114 | bool acpi_device_is_battery(struct acpi_device *adev); |
| 115 | bool acpi_device_is_first_physical_node(struct acpi_device *adev, |
| 116 | const struct device *dev); |
| 117 | |
| 118 | /* -------------------------------------------------------------------------- |
| 119 | Device Matching and Notification |
| 120 | -------------------------------------------------------------------------- */ |
| 121 | struct acpi_device *acpi_companion_match(const struct device *dev); |
| 122 | int __acpi_device_uevent_modalias(struct acpi_device *adev, |
| 123 | struct kobj_uevent_env *env); |
| 124 | |
| 125 | /* -------------------------------------------------------------------------- |
| 126 | Power Resource |
| 127 | -------------------------------------------------------------------------- */ |
| 128 | int acpi_power_init(void); |
| 129 | void acpi_power_resources_list_free(struct list_head *list); |
| 130 | int acpi_extract_power_resources(union acpi_object *package, unsigned int start, |
| 131 | struct list_head *list); |
| 132 | int acpi_add_power_resource(acpi_handle handle); |
| 133 | void acpi_power_add_remove_device(struct acpi_device *adev, bool add); |
| 134 | int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); |
| 135 | int acpi_device_sleep_wake(struct acpi_device *dev, |
| 136 | int enable, int sleep_state, int dev_state); |
| 137 | int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
| 138 | int acpi_power_on_resources(struct acpi_device *device, int state); |
| 139 | int acpi_power_transition(struct acpi_device *device, int state); |
| 140 | |
| 141 | int acpi_wakeup_device_init(void); |
| 142 | |
| 143 | #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC |
| 144 | void acpi_early_processor_set_pdc(void); |
| 145 | #else |
| 146 | static inline void acpi_early_processor_set_pdc(void) {} |
| 147 | #endif |
| 148 | |
| 149 | #ifdef CONFIG_X86 |
| 150 | void acpi_early_processor_osc(void); |
| 151 | #else |
| 152 | static inline void acpi_early_processor_osc(void) {} |
| 153 | #endif |
| 154 | |
| 155 | /* -------------------------------------------------------------------------- |
| 156 | Embedded Controller |
| 157 | -------------------------------------------------------------------------- */ |
| 158 | struct acpi_ec { |
| 159 | acpi_handle handle; |
| 160 | unsigned long gpe; |
| 161 | unsigned long command_addr; |
| 162 | unsigned long data_addr; |
| 163 | bool global_lock; |
| 164 | unsigned long flags; |
| 165 | unsigned long reference_count; |
| 166 | struct mutex mutex; |
| 167 | wait_queue_head_t wait; |
| 168 | struct list_head list; |
| 169 | struct transaction *curr; |
| 170 | spinlock_t lock; |
| 171 | struct work_struct work; |
| 172 | unsigned long timestamp; |
| 173 | unsigned long nr_pending_queries; |
| 174 | bool saved_busy_polling; |
| 175 | unsigned int saved_polling_guard; |
| 176 | }; |
| 177 | |
| 178 | extern struct acpi_ec *first_ec; |
| 179 | |
| 180 | /* If we find an EC via the ECDT, we need to keep a ptr to its context */ |
| 181 | /* External interfaces use first EC only, so remember */ |
| 182 | typedef int (*acpi_ec_query_func) (void *data); |
| 183 | |
| 184 | int acpi_ec_init(void); |
| 185 | int acpi_ec_ecdt_probe(void); |
| 186 | int acpi_ec_dsdt_probe(void); |
| 187 | int acpi_ec_ecdt_start(void); |
| 188 | void acpi_ec_block_transactions(void); |
| 189 | void acpi_ec_unblock_transactions(void); |
| 190 | int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, |
| 191 | acpi_handle handle, acpi_ec_query_func func, |
| 192 | void *data); |
| 193 | void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); |
| 194 | |
| 195 | |
| 196 | /*-------------------------------------------------------------------------- |
| 197 | Suspend/Resume |
| 198 | -------------------------------------------------------------------------- */ |
| 199 | #ifdef CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT |
| 200 | extern int acpi_sleep_init(void); |
| 201 | #else |
| 202 | static inline int acpi_sleep_init(void) { return -ENXIO; } |
| 203 | #endif |
| 204 | |
| 205 | #ifdef CONFIG_ACPI_SLEEP |
| 206 | void acpi_sleep_proc_init(void); |
| 207 | int suspend_nvs_alloc(void); |
| 208 | void suspend_nvs_free(void); |
| 209 | int suspend_nvs_save(void); |
| 210 | void suspend_nvs_restore(void); |
| 211 | #else |
| 212 | static inline void acpi_sleep_proc_init(void) {} |
| 213 | static inline int suspend_nvs_alloc(void) { return 0; } |
| 214 | static inline void suspend_nvs_free(void) {} |
| 215 | static inline int suspend_nvs_save(void) { return 0; } |
| 216 | static inline void suspend_nvs_restore(void) {} |
| 217 | #endif |
| 218 | |
| 219 | /*-------------------------------------------------------------------------- |
| 220 | Device properties |
| 221 | -------------------------------------------------------------------------- */ |
| 222 | #define ACPI_DT_NAMESPACE_HID "PRP0001" |
| 223 | |
| 224 | void acpi_init_properties(struct acpi_device *adev); |
| 225 | void acpi_free_properties(struct acpi_device *adev); |
| 226 | |
| 227 | /*-------------------------------------------------------------------------- |
| 228 | Watchdog |
| 229 | -------------------------------------------------------------------------- */ |
| 230 | |
| 231 | #ifdef CONFIG_ACPI_WATCHDOG |
| 232 | void acpi_watchdog_init(void); |
| 233 | #else |
| 234 | static inline void acpi_watchdog_init(void) {} |
| 235 | #endif |
| 236 | |
| 237 | #endif /* _ACPI_INTERNAL_H_ */ |