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 #ifdef CONFIG_ACPI_PCI_SLOT 30 void acpi_pci_slot_init(void); 31 #else 32 static inline void acpi_pci_slot_init(void) { } 33 #endif 34 void acpi_pci_root_init(void); 35 void acpi_pci_link_init(void); 36 void acpi_pci_root_hp_init(void); 37 void acpi_processor_init(void); 38 void acpi_platform_init(void); 39 int acpi_sysfs_init(void); 40 #ifdef CONFIG_ACPI_CONTAINER 41 void acpi_container_init(void); 42 #else 43 static inline void acpi_container_init(void) {} 44 #endif 45 #ifdef CONFIG_ACPI_DOCK 46 void acpi_dock_init(void); 47 #else 48 static inline void acpi_dock_init(void) {} 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 /* -------------------------------------------------------------------------- 82 Device Node Initialization / Removal 83 -------------------------------------------------------------------------- */ 84 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 85 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 86 87 int acpi_device_add(struct acpi_device *device, 88 void (*release)(struct device *)); 89 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 90 int type, unsigned long long sta); 91 void acpi_device_add_finalize(struct acpi_device *device); 92 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 93 int acpi_bind_one(struct device *dev, acpi_handle handle); 94 int acpi_unbind_one(struct device *dev); 95 96 /* -------------------------------------------------------------------------- 97 Power Resource 98 -------------------------------------------------------------------------- */ 99 int acpi_power_init(void); 100 void acpi_power_resources_list_free(struct list_head *list); 101 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 102 struct list_head *list); 103 int acpi_add_power_resource(acpi_handle handle); 104 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 105 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 106 int acpi_device_sleep_wake(struct acpi_device *dev, 107 int enable, int sleep_state, int dev_state); 108 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 109 int acpi_power_on_resources(struct acpi_device *device, int state); 110 int acpi_power_transition(struct acpi_device *device, int state); 111 112 int acpi_wakeup_device_init(void); 113 void acpi_early_processor_set_pdc(void); 114 115 /* -------------------------------------------------------------------------- 116 Embedded Controller 117 -------------------------------------------------------------------------- */ 118 struct acpi_ec { 119 acpi_handle handle; 120 unsigned long gpe; 121 unsigned long command_addr; 122 unsigned long data_addr; 123 unsigned long global_lock; 124 unsigned long flags; 125 struct mutex mutex; 126 wait_queue_head_t wait; 127 struct list_head list; 128 struct transaction *curr; 129 spinlock_t lock; 130 }; 131 132 extern struct acpi_ec *first_ec; 133 134 int acpi_ec_init(void); 135 int acpi_ec_ecdt_probe(void); 136 int acpi_boot_ec_enable(void); 137 void acpi_ec_block_transactions(void); 138 void acpi_ec_unblock_transactions(void); 139 void acpi_ec_unblock_transactions_early(void); 140 141 /*-------------------------------------------------------------------------- 142 Suspend/Resume 143 -------------------------------------------------------------------------- */ 144 extern int acpi_sleep_init(void); 145 146 #ifdef CONFIG_ACPI_SLEEP 147 int acpi_sleep_proc_init(void); 148 int suspend_nvs_alloc(void); 149 void suspend_nvs_free(void); 150 int suspend_nvs_save(void); 151 void suspend_nvs_restore(void); 152 #else 153 static inline int acpi_sleep_proc_init(void) { return 0; } 154 static inline int suspend_nvs_alloc(void) { return 0; } 155 static inline void suspend_nvs_free(void) {} 156 static inline int suspend_nvs_save(void) { return 0; } 157 static inline void suspend_nvs_restore(void) {} 158 #endif 159 160 /*-------------------------------------------------------------------------- 161 Platform bus support 162 -------------------------------------------------------------------------- */ 163 struct platform_device; 164 165 int acpi_create_platform_device(struct acpi_device *adev, 166 const struct acpi_device_id *id); 167 168 /*-------------------------------------------------------------------------- 169 Video 170 -------------------------------------------------------------------------- */ 171 #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 172 bool acpi_video_backlight_quirks(void); 173 #else 174 static inline bool acpi_video_backlight_quirks(void) { return false; } 175 #endif 176 177 #endif /* _ACPI_INTERNAL_H_ */ 178