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