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 int init_acpi_device_notify(void); 27 int acpi_scan_init(void); 28 #ifdef CONFIG_ACPI_PCI_SLOT 29 void acpi_pci_slot_init(void); 30 #else 31 static inline void acpi_pci_slot_init(void) { } 32 #endif 33 void acpi_pci_root_init(void); 34 void acpi_pci_link_init(void); 35 void acpi_pci_root_hp_init(void); 36 void acpi_processor_init(void); 37 void acpi_platform_init(void); 38 int acpi_sysfs_init(void); 39 #ifdef CONFIG_ACPI_CONTAINER 40 void acpi_container_init(void); 41 #else 42 static inline void acpi_container_init(void) {} 43 #endif 44 #ifdef CONFIG_ACPI_DOCK 45 void acpi_dock_init(void); 46 #else 47 static inline void acpi_dock_init(void) {} 48 #endif 49 #ifdef CONFIG_ACPI_HOTPLUG_MEMORY 50 void acpi_memory_hotplug_init(void); 51 #else 52 static inline void acpi_memory_hotplug_init(void) {} 53 #endif 54 #ifdef CONFIG_X86 55 void acpi_cmos_rtc_init(void); 56 #else 57 static inline void acpi_cmos_rtc_init(void) {} 58 #endif 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 int acpi_debugfs_init(void); 71 #else 72 static inline void acpi_debugfs_init(void) { return; } 73 #endif 74 #ifdef CONFIG_X86_INTEL_LPSS 75 void acpi_lpss_init(void); 76 #else 77 static inline void acpi_lpss_init(void) {} 78 #endif 79 80 /* -------------------------------------------------------------------------- 81 Device Node Initialization / Removal 82 -------------------------------------------------------------------------- */ 83 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 84 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 85 86 int acpi_device_add(struct acpi_device *device, 87 void (*release)(struct device *)); 88 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 89 int type, unsigned long long sta); 90 void acpi_device_add_finalize(struct acpi_device *device); 91 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 92 int acpi_bind_one(struct device *dev, acpi_handle handle); 93 int acpi_unbind_one(struct device *dev); 94 95 /* -------------------------------------------------------------------------- 96 Power Resource 97 -------------------------------------------------------------------------- */ 98 int acpi_power_init(void); 99 void acpi_power_resources_list_free(struct list_head *list); 100 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 101 struct list_head *list); 102 int acpi_add_power_resource(acpi_handle handle); 103 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 104 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 105 int acpi_device_sleep_wake(struct acpi_device *dev, 106 int enable, int sleep_state, int dev_state); 107 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 108 int acpi_power_on_resources(struct acpi_device *device, int state); 109 int acpi_power_transition(struct acpi_device *device, int state); 110 111 int acpi_wakeup_device_init(void); 112 void acpi_early_processor_set_pdc(void); 113 114 /* -------------------------------------------------------------------------- 115 Embedded Controller 116 -------------------------------------------------------------------------- */ 117 struct acpi_ec { 118 acpi_handle handle; 119 unsigned long gpe; 120 unsigned long command_addr; 121 unsigned long data_addr; 122 unsigned long global_lock; 123 unsigned long flags; 124 struct mutex mutex; 125 wait_queue_head_t wait; 126 struct list_head list; 127 struct transaction *curr; 128 spinlock_t lock; 129 }; 130 131 extern struct acpi_ec *first_ec; 132 133 int acpi_ec_init(void); 134 int acpi_ec_ecdt_probe(void); 135 int acpi_boot_ec_enable(void); 136 void acpi_ec_block_transactions(void); 137 void acpi_ec_unblock_transactions(void); 138 void acpi_ec_unblock_transactions_early(void); 139 140 /*-------------------------------------------------------------------------- 141 Suspend/Resume 142 -------------------------------------------------------------------------- */ 143 extern int acpi_sleep_init(void); 144 145 #ifdef CONFIG_ACPI_SLEEP 146 int acpi_sleep_proc_init(void); 147 int suspend_nvs_alloc(void); 148 void suspend_nvs_free(void); 149 int suspend_nvs_save(void); 150 void suspend_nvs_restore(void); 151 #else 152 static inline int acpi_sleep_proc_init(void) { return 0; } 153 static inline int suspend_nvs_alloc(void) { return 0; } 154 static inline void suspend_nvs_free(void) {} 155 static inline int suspend_nvs_save(void) { return 0; } 156 static inline void suspend_nvs_restore(void) {} 157 #endif 158 159 /*-------------------------------------------------------------------------- 160 Platform bus support 161 -------------------------------------------------------------------------- */ 162 struct platform_device; 163 164 int acpi_create_platform_device(struct acpi_device *adev, 165 const struct acpi_device_id *id); 166 167 /*-------------------------------------------------------------------------- 168 Video 169 -------------------------------------------------------------------------- */ 170 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 171 bool acpi_video_backlight_quirks(void); 172 #else 173 static inline bool acpi_video_backlight_quirks(void) { return false; } 174 #endif 175 176 #endif /* _ACPI_INTERNAL_H_ */ 177