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 acpi_status acpi_os_initialize1(void); 27 int init_acpi_device_notify(void); 28 int acpi_scan_init(void); 29 void acpi_pci_root_init(void); 30 void acpi_pci_link_init(void); 31 void acpi_processor_init(void); 32 void acpi_platform_init(void); 33 void acpi_pnp_init(void); 34 void acpi_int340x_thermal_init(void); 35 int acpi_sysfs_init(void); 36 void acpi_container_init(void); 37 void acpi_memory_hotplug_init(void); 38 #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC 39 int acpi_ioapic_add(struct acpi_pci_root *root); 40 int acpi_ioapic_remove(struct acpi_pci_root *root); 41 #else 42 static inline int acpi_ioapic_add(struct acpi_pci_root *root) { return 0; } 43 static inline int acpi_ioapic_remove(struct acpi_pci_root *root) { return 0; } 44 #endif 45 #ifdef CONFIG_ACPI_DOCK 46 void register_dock_dependent_device(struct acpi_device *adev, 47 acpi_handle dshandle); 48 int dock_notify(struct acpi_device *adev, u32 event); 49 void acpi_dock_add(struct acpi_device *adev); 50 #else 51 static inline void register_dock_dependent_device(struct acpi_device *adev, 52 acpi_handle dshandle) {} 53 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } 54 static inline void acpi_dock_add(struct acpi_device *adev) {} 55 #endif 56 #ifdef CONFIG_X86 57 void acpi_cmos_rtc_init(void); 58 #else 59 static inline void acpi_cmos_rtc_init(void) {} 60 #endif 61 62 extern bool acpi_force_hot_remove; 63 64 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 65 const char *name); 66 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 67 const char *hotplug_profile_name); 68 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 69 70 #ifdef CONFIG_DEBUG_FS 71 extern struct dentry *acpi_debugfs_dir; 72 int acpi_debugfs_init(void); 73 #else 74 static inline void acpi_debugfs_init(void) { return; } 75 #endif 76 void acpi_lpss_init(void); 77 78 void acpi_apd_init(void); 79 80 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); 81 bool acpi_queue_hotplug_work(struct work_struct *work); 82 void acpi_device_hotplug(struct acpi_device *adev, u32 src); 83 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); 84 85 /* -------------------------------------------------------------------------- 86 Device Node Initialization / Removal 87 -------------------------------------------------------------------------- */ 88 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 89 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 90 91 int acpi_device_add(struct acpi_device *device, 92 void (*release)(struct device *)); 93 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 94 int type, unsigned long long sta); 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); 99 100 /* -------------------------------------------------------------------------- 101 Power Resource 102 -------------------------------------------------------------------------- */ 103 int acpi_power_init(void); 104 void acpi_power_resources_list_free(struct list_head *list); 105 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 106 struct list_head *list); 107 int acpi_add_power_resource(acpi_handle handle); 108 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 109 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 110 int acpi_device_sleep_wake(struct acpi_device *dev, 111 int enable, int sleep_state, int dev_state); 112 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 113 int acpi_power_on_resources(struct acpi_device *device, int state); 114 int acpi_power_transition(struct acpi_device *device, int state); 115 116 int acpi_wakeup_device_init(void); 117 118 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC 119 void acpi_early_processor_set_pdc(void); 120 #else 121 static inline void acpi_early_processor_set_pdc(void) {} 122 #endif 123 124 /* -------------------------------------------------------------------------- 125 Embedded Controller 126 -------------------------------------------------------------------------- */ 127 struct acpi_ec { 128 acpi_handle handle; 129 unsigned long gpe; 130 unsigned long command_addr; 131 unsigned long data_addr; 132 unsigned long global_lock; 133 unsigned long flags; 134 unsigned long reference_count; 135 struct mutex mutex; 136 wait_queue_head_t wait; 137 struct list_head list; 138 struct transaction *curr; 139 spinlock_t lock; 140 struct work_struct work; 141 }; 142 143 extern struct acpi_ec *first_ec; 144 145 /* If we find an EC via the ECDT, we need to keep a ptr to its context */ 146 /* External interfaces use first EC only, so remember */ 147 typedef int (*acpi_ec_query_func) (void *data); 148 149 int acpi_ec_init(void); 150 int acpi_ec_ecdt_probe(void); 151 int acpi_boot_ec_enable(void); 152 void acpi_ec_block_transactions(void); 153 void acpi_ec_unblock_transactions(void); 154 void acpi_ec_unblock_transactions_early(void); 155 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 156 acpi_handle handle, acpi_ec_query_func func, 157 void *data); 158 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 159 160 161 /*-------------------------------------------------------------------------- 162 Suspend/Resume 163 -------------------------------------------------------------------------- */ 164 extern int acpi_sleep_init(void); 165 166 #ifdef CONFIG_ACPI_SLEEP 167 int acpi_sleep_proc_init(void); 168 int suspend_nvs_alloc(void); 169 void suspend_nvs_free(void); 170 int suspend_nvs_save(void); 171 void suspend_nvs_restore(void); 172 #else 173 static inline int acpi_sleep_proc_init(void) { return 0; } 174 static inline int suspend_nvs_alloc(void) { return 0; } 175 static inline void suspend_nvs_free(void) {} 176 static inline int suspend_nvs_save(void) { return 0; } 177 static inline void suspend_nvs_restore(void) {} 178 #endif 179 180 /*-------------------------------------------------------------------------- 181 Video 182 -------------------------------------------------------------------------- */ 183 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 184 bool acpi_osi_is_win8(void); 185 #endif 186 187 /*-------------------------------------------------------------------------- 188 Device properties 189 -------------------------------------------------------------------------- */ 190 void acpi_init_properties(struct acpi_device *adev); 191 void acpi_free_properties(struct acpi_device *adev); 192 193 #endif /* _ACPI_INTERNAL_H_ */ 194