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 int acpi_sysfs_init(void); 34 #ifdef CONFIG_ACPI_CONTAINER 35 void acpi_container_init(void); 36 #else 37 static inline void acpi_container_init(void) {} 38 #endif 39 #ifdef CONFIG_ACPI_DOCK 40 void register_dock_dependent_device(struct acpi_device *adev, 41 acpi_handle dshandle); 42 int dock_notify(struct acpi_device *adev, u32 event); 43 void acpi_dock_add(struct acpi_device *adev); 44 #else 45 static inline void register_dock_dependent_device(struct acpi_device *adev, 46 acpi_handle dshandle) {} 47 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } 48 static inline void acpi_dock_add(struct acpi_device *adev) {} 49 #endif 50 #ifdef CONFIG_ACPI_HOTPLUG_MEMORY 51 void acpi_memory_hotplug_init(void); 52 #else 53 static inline void acpi_memory_hotplug_init(void) {} 54 #endif 55 #ifdef CONFIG_X86 56 void acpi_cmos_rtc_init(void); 57 #else 58 static inline void acpi_cmos_rtc_init(void) {} 59 #endif 60 61 extern bool acpi_force_hot_remove; 62 63 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 64 const char *name); 65 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 66 const char *hotplug_profile_name); 67 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 68 69 #ifdef CONFIG_DEBUG_FS 70 extern struct dentry *acpi_debugfs_dir; 71 int acpi_debugfs_init(void); 72 #else 73 static inline void acpi_debugfs_init(void) { return; } 74 #endif 75 #ifdef CONFIG_X86_INTEL_LPSS 76 void acpi_lpss_init(void); 77 #else 78 static inline void acpi_lpss_init(void) {} 79 #endif 80 81 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); 82 bool acpi_queue_hotplug_work(struct work_struct *work); 83 void acpi_device_hotplug(struct acpi_device *adev, u32 src); 84 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); 85 86 /* -------------------------------------------------------------------------- 87 Device Node Initialization / Removal 88 -------------------------------------------------------------------------- */ 89 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 90 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 91 92 int acpi_device_add(struct acpi_device *device, 93 void (*release)(struct device *)); 94 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 95 int type, unsigned long long sta); 96 void acpi_device_add_finalize(struct acpi_device *device); 97 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 98 int acpi_bind_one(struct device *dev, struct acpi_device *adev); 99 int acpi_unbind_one(struct device *dev); 100 bool acpi_device_is_present(struct acpi_device *adev); 101 bool acpi_device_is_battery(struct acpi_device *adev); 102 103 /* -------------------------------------------------------------------------- 104 Power Resource 105 -------------------------------------------------------------------------- */ 106 int acpi_power_init(void); 107 void acpi_power_resources_list_free(struct list_head *list); 108 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 109 struct list_head *list); 110 int acpi_add_power_resource(acpi_handle handle); 111 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 112 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 113 int acpi_device_sleep_wake(struct acpi_device *dev, 114 int enable, int sleep_state, int dev_state); 115 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 116 int acpi_power_on_resources(struct acpi_device *device, int state); 117 int acpi_power_transition(struct acpi_device *device, int state); 118 119 int acpi_device_update_power(struct acpi_device *device, int *state_p); 120 121 int acpi_wakeup_device_init(void); 122 void acpi_early_processor_set_pdc(void); 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 struct mutex mutex; 135 wait_queue_head_t wait; 136 struct list_head list; 137 struct transaction *curr; 138 spinlock_t lock; 139 }; 140 141 extern struct acpi_ec *first_ec; 142 143 /* If we find an EC via the ECDT, we need to keep a ptr to its context */ 144 /* External interfaces use first EC only, so remember */ 145 typedef int (*acpi_ec_query_func) (void *data); 146 147 int acpi_ec_init(void); 148 int acpi_ec_ecdt_probe(void); 149 int acpi_boot_ec_enable(void); 150 void acpi_ec_block_transactions(void); 151 void acpi_ec_unblock_transactions(void); 152 void acpi_ec_unblock_transactions_early(void); 153 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 154 acpi_handle handle, acpi_ec_query_func func, 155 void *data); 156 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 157 158 159 /*-------------------------------------------------------------------------- 160 Suspend/Resume 161 -------------------------------------------------------------------------- */ 162 extern int acpi_sleep_init(void); 163 164 #ifdef CONFIG_ACPI_SLEEP 165 int acpi_sleep_proc_init(void); 166 int suspend_nvs_alloc(void); 167 void suspend_nvs_free(void); 168 int suspend_nvs_save(void); 169 void suspend_nvs_restore(void); 170 #else 171 static inline int acpi_sleep_proc_init(void) { return 0; } 172 static inline int suspend_nvs_alloc(void) { return 0; } 173 static inline void suspend_nvs_free(void) {} 174 static inline int suspend_nvs_save(void) { return 0; } 175 static inline void suspend_nvs_restore(void) {} 176 #endif 177 178 /*-------------------------------------------------------------------------- 179 Platform bus support 180 -------------------------------------------------------------------------- */ 181 struct platform_device; 182 183 int acpi_create_platform_device(struct acpi_device *adev, 184 const struct acpi_device_id *id); 185 186 /*-------------------------------------------------------------------------- 187 Video 188 -------------------------------------------------------------------------- */ 189 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 190 bool acpi_osi_is_win8(void); 191 #endif 192 193 #endif /* _ACPI_INTERNAL_H_ */ 194