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_platform_init(void); 37 int acpi_sysfs_init(void); 38 void acpi_csrt_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_HOTPLUG_MEMORY 45 void acpi_memory_hotplug_init(void); 46 #else 47 static inline void acpi_memory_hotplug_init(void) {} 48 #endif 49 50 void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 51 const char *name); 52 int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 53 const char *hotplug_profile_name); 54 void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 55 56 #ifdef CONFIG_DEBUG_FS 57 extern struct dentry *acpi_debugfs_dir; 58 int acpi_debugfs_init(void); 59 #else 60 static inline void acpi_debugfs_init(void) { return; } 61 #endif 62 #ifdef CONFIG_X86_INTEL_LPSS 63 void acpi_lpss_init(void); 64 #else 65 static inline void acpi_lpss_init(void) {} 66 #endif 67 68 /* -------------------------------------------------------------------------- 69 Device Node Initialization / Removal 70 -------------------------------------------------------------------------- */ 71 #define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 72 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 73 74 int acpi_device_add(struct acpi_device *device, 75 void (*release)(struct device *)); 76 void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 77 int type, unsigned long long sta); 78 void acpi_device_add_finalize(struct acpi_device *device); 79 void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 80 81 /* -------------------------------------------------------------------------- 82 Power Resource 83 -------------------------------------------------------------------------- */ 84 int acpi_power_init(void); 85 void acpi_power_resources_list_free(struct list_head *list); 86 int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 87 struct list_head *list); 88 int acpi_add_power_resource(acpi_handle handle); 89 void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 90 int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 91 int acpi_device_sleep_wake(struct acpi_device *dev, 92 int enable, int sleep_state, int dev_state); 93 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 94 int acpi_power_on_resources(struct acpi_device *device, int state); 95 int acpi_power_transition(struct acpi_device *device, int state); 96 97 int acpi_wakeup_device_init(void); 98 void acpi_early_processor_set_pdc(void); 99 100 /* -------------------------------------------------------------------------- 101 Embedded Controller 102 -------------------------------------------------------------------------- */ 103 struct acpi_ec { 104 acpi_handle handle; 105 unsigned long gpe; 106 unsigned long command_addr; 107 unsigned long data_addr; 108 unsigned long global_lock; 109 unsigned long flags; 110 struct mutex mutex; 111 wait_queue_head_t wait; 112 struct list_head list; 113 struct transaction *curr; 114 spinlock_t lock; 115 }; 116 117 extern struct acpi_ec *first_ec; 118 119 int acpi_ec_init(void); 120 int acpi_ec_ecdt_probe(void); 121 int acpi_boot_ec_enable(void); 122 void acpi_ec_block_transactions(void); 123 void acpi_ec_unblock_transactions(void); 124 void acpi_ec_unblock_transactions_early(void); 125 126 /*-------------------------------------------------------------------------- 127 Suspend/Resume 128 -------------------------------------------------------------------------- */ 129 extern int acpi_sleep_init(void); 130 131 #ifdef CONFIG_ACPI_SLEEP 132 int acpi_sleep_proc_init(void); 133 int suspend_nvs_alloc(void); 134 void suspend_nvs_free(void); 135 int suspend_nvs_save(void); 136 void suspend_nvs_restore(void); 137 #else 138 static inline int acpi_sleep_proc_init(void) { return 0; } 139 static inline int suspend_nvs_alloc(void) { return 0; } 140 static inline void suspend_nvs_free(void) {} 141 static inline int suspend_nvs_save(void) { return 0; } 142 static inline void suspend_nvs_restore(void) {} 143 #endif 144 145 /*-------------------------------------------------------------------------- 146 Platform bus support 147 -------------------------------------------------------------------------- */ 148 struct platform_device; 149 150 int acpi_create_platform_device(struct acpi_device *adev, 151 const struct acpi_device_id *id); 152 153 #endif /* _ACPI_INTERNAL_H_ */ 154