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 int acpi_sysfs_init(void); 35 void acpi_container_init(void); 36 void acpi_memory_hotplug_init(void); 37 #ifdef CONFIG_ACPI_DOCK 38 void register_dock_dependent_device(struct acpi_device *adev, 39 acpi_handle dshandle); 40 int dock_notify(struct acpi_device *adev, u32 event); 41 void acpi_dock_add(struct acpi_device *adev); 42 #else 43 static inline void register_dock_dependent_device(struct acpi_device *adev, 44 acpi_handle dshandle) {} 45 static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } 46 static inline void acpi_dock_add(struct acpi_device *adev) {} 47 #endif 48 #ifdef CONFIG_X86 49 void acpi_cmos_rtc_init(void); 50 #else 51 static inline void acpi_cmos_rtc_init(void) {} 52 #endif 53 54 extern bool acpi_force_hot_remove; 55 56 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 57 const char *name); 58 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 59 const char *hotplug_profile_name); 60 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 61 62 #ifdef CONFIG_DEBUG_FS 63 extern struct dentry *acpi_debugfs_dir; 64 int acpi_debugfs_init(void); 65 #else 66 static inline void acpi_debugfs_init(void) { return; } 67 #endif 68 void acpi_lpss_init(void); 69 70 acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); 71 bool acpi_queue_hotplug_work(struct work_struct *work); 72 void acpi_device_hotplug(struct acpi_device *adev, u32 src); 73 bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); 74 75 /* -------------------------------------------------------------------------- 76 Device Node Initialization / Removal 77 -------------------------------------------------------------------------- */ 78 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 79 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 80 81 int acpi_device_add(struct acpi_device *device, 82 void (*release)(struct device *)); 83 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 84 int type, unsigned long long sta); 85 void acpi_device_add_finalize(struct acpi_device *device); 86 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 87 bool acpi_device_is_present(struct acpi_device *adev); 88 bool acpi_device_is_battery(struct acpi_device *adev); 89 90 /* -------------------------------------------------------------------------- 91 Power Resource 92 -------------------------------------------------------------------------- */ 93 int acpi_power_init(void); 94 void acpi_power_resources_list_free(struct list_head *list); 95 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 96 struct list_head *list); 97 int acpi_add_power_resource(acpi_handle handle); 98 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 99 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 100 int acpi_device_sleep_wake(struct acpi_device *dev, 101 int enable, int sleep_state, int dev_state); 102 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 103 int acpi_power_on_resources(struct acpi_device *device, int state); 104 int acpi_power_transition(struct acpi_device *device, int state); 105 106 int acpi_device_update_power(struct acpi_device *device, int *state_p); 107 108 int acpi_wakeup_device_init(void); 109 110 #ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC 111 void acpi_early_processor_set_pdc(void); 112 #else 113 static inline void acpi_early_processor_set_pdc(void) {} 114 #endif 115 116 /* -------------------------------------------------------------------------- 117 Embedded Controller 118 -------------------------------------------------------------------------- */ 119 struct acpi_ec { 120 acpi_handle handle; 121 unsigned long gpe; 122 unsigned long command_addr; 123 unsigned long data_addr; 124 unsigned long global_lock; 125 unsigned long flags; 126 struct mutex mutex; 127 wait_queue_head_t wait; 128 struct list_head list; 129 struct transaction *curr; 130 spinlock_t lock; 131 }; 132 133 extern struct acpi_ec *first_ec; 134 135 /* If we find an EC via the ECDT, we need to keep a ptr to its context */ 136 /* External interfaces use first EC only, so remember */ 137 typedef int (*acpi_ec_query_func) (void *data); 138 139 int acpi_ec_init(void); 140 int acpi_ec_ecdt_probe(void); 141 int acpi_boot_ec_enable(void); 142 void acpi_ec_block_transactions(void); 143 void acpi_ec_unblock_transactions(void); 144 void acpi_ec_unblock_transactions_early(void); 145 int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 146 acpi_handle handle, acpi_ec_query_func func, 147 void *data); 148 void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 149 150 151 /*-------------------------------------------------------------------------- 152 Suspend/Resume 153 -------------------------------------------------------------------------- */ 154 extern int acpi_sleep_init(void); 155 156 #ifdef CONFIG_ACPI_SLEEP 157 int acpi_sleep_proc_init(void); 158 int suspend_nvs_alloc(void); 159 void suspend_nvs_free(void); 160 int suspend_nvs_save(void); 161 void suspend_nvs_restore(void); 162 #else 163 static inline int acpi_sleep_proc_init(void) { return 0; } 164 static inline int suspend_nvs_alloc(void) { return 0; } 165 static inline void suspend_nvs_free(void) {} 166 static inline int suspend_nvs_save(void) { return 0; } 167 static inline void suspend_nvs_restore(void) {} 168 #endif 169 170 /*-------------------------------------------------------------------------- 171 Platform bus support 172 -------------------------------------------------------------------------- */ 173 struct platform_device; 174 175 struct platform_device *acpi_create_platform_device(struct acpi_device *adev); 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