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 26acpi_status acpi_os_initialize1(void); 27int init_acpi_device_notify(void); 28int acpi_scan_init(void); 29void acpi_pci_root_init(void); 30void acpi_pci_link_init(void); 31void acpi_processor_init(void); 32void acpi_platform_init(void); 33void acpi_pnp_init(void); 34void acpi_int340x_thermal_init(void); 35int acpi_sysfs_init(void); 36void acpi_container_init(void); 37void acpi_memory_hotplug_init(void); 38#ifdef CONFIG_ACPI_DOCK 39void register_dock_dependent_device(struct acpi_device *adev, 40 acpi_handle dshandle); 41int dock_notify(struct acpi_device *adev, u32 event); 42void acpi_dock_add(struct acpi_device *adev); 43#else 44static inline void register_dock_dependent_device(struct acpi_device *adev, 45 acpi_handle dshandle) {} 46static inline int dock_notify(struct acpi_device *adev, u32 event) { return -ENODEV; } 47static inline void acpi_dock_add(struct acpi_device *adev) {} 48#endif 49#ifdef CONFIG_X86 50void acpi_cmos_rtc_init(void); 51#else 52static inline void acpi_cmos_rtc_init(void) {} 53#endif 54 55extern bool acpi_force_hot_remove; 56 57void acpi_sysfs_add_hotplug_profile(struct acpi_hotplug_profile *hotplug, 58 const char *name); 59int acpi_scan_add_handler_with_hotplug(struct acpi_scan_handler *handler, 60 const char *hotplug_profile_name); 61void acpi_scan_hotplug_enabled(struct acpi_hotplug_profile *hotplug, bool val); 62 63#ifdef CONFIG_DEBUG_FS 64extern struct dentry *acpi_debugfs_dir; 65int acpi_debugfs_init(void); 66#else 67static inline void acpi_debugfs_init(void) { return; } 68#endif 69void acpi_lpss_init(void); 70 71acpi_status acpi_hotplug_schedule(struct acpi_device *adev, u32 src); 72bool acpi_queue_hotplug_work(struct work_struct *work); 73void acpi_device_hotplug(struct acpi_device *adev, u32 src); 74bool acpi_scan_is_offline(struct acpi_device *adev, bool uevent); 75 76/* -------------------------------------------------------------------------- 77 Device Node Initialization / Removal 78 -------------------------------------------------------------------------- */ 79#define ACPI_STA_DEFAULT (ACPI_STA_DEVICE_PRESENT | ACPI_STA_DEVICE_ENABLED | \ 80 ACPI_STA_DEVICE_UI | ACPI_STA_DEVICE_FUNCTIONING) 81 82int acpi_device_add(struct acpi_device *device, 83 void (*release)(struct device *)); 84void acpi_init_device_object(struct acpi_device *device, acpi_handle handle, 85 int type, unsigned long long sta); 86void acpi_device_add_finalize(struct acpi_device *device); 87void acpi_free_pnp_ids(struct acpi_device_pnp *pnp); 88bool acpi_device_is_present(struct acpi_device *adev); 89bool acpi_device_is_battery(struct acpi_device *adev); 90 91/* -------------------------------------------------------------------------- 92 Power Resource 93 -------------------------------------------------------------------------- */ 94int acpi_power_init(void); 95void acpi_power_resources_list_free(struct list_head *list); 96int acpi_extract_power_resources(union acpi_object *package, unsigned int start, 97 struct list_head *list); 98int acpi_add_power_resource(acpi_handle handle); 99void acpi_power_add_remove_device(struct acpi_device *adev, bool add); 100int acpi_power_wakeup_list_init(struct list_head *list, int *system_level); 101int acpi_device_sleep_wake(struct acpi_device *dev, 102 int enable, int sleep_state, int dev_state); 103int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 104int acpi_power_on_resources(struct acpi_device *device, int state); 105int acpi_power_transition(struct acpi_device *device, int state); 106 107int acpi_wakeup_device_init(void); 108 109#ifdef CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC 110void acpi_early_processor_set_pdc(void); 111#else 112static inline void acpi_early_processor_set_pdc(void) {} 113#endif 114 115/* -------------------------------------------------------------------------- 116 Embedded Controller 117 -------------------------------------------------------------------------- */ 118struct 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 132extern 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 */ 136typedef int (*acpi_ec_query_func) (void *data); 137 138int acpi_ec_init(void); 139int acpi_ec_ecdt_probe(void); 140int acpi_boot_ec_enable(void); 141void acpi_ec_block_transactions(void); 142void acpi_ec_unblock_transactions(void); 143void acpi_ec_unblock_transactions_early(void); 144int acpi_ec_add_query_handler(struct acpi_ec *ec, u8 query_bit, 145 acpi_handle handle, acpi_ec_query_func func, 146 void *data); 147void acpi_ec_remove_query_handler(struct acpi_ec *ec, u8 query_bit); 148 149 150/*-------------------------------------------------------------------------- 151 Suspend/Resume 152 -------------------------------------------------------------------------- */ 153extern int acpi_sleep_init(void); 154 155#ifdef CONFIG_ACPI_SLEEP 156int acpi_sleep_proc_init(void); 157int suspend_nvs_alloc(void); 158void suspend_nvs_free(void); 159int suspend_nvs_save(void); 160void suspend_nvs_restore(void); 161#else 162static inline int acpi_sleep_proc_init(void) { return 0; } 163static inline int suspend_nvs_alloc(void) { return 0; } 164static inline void suspend_nvs_free(void) {} 165static inline int suspend_nvs_save(void) { return 0; } 166static inline void suspend_nvs_restore(void) {} 167#endif 168 169/*-------------------------------------------------------------------------- 170 Video 171 -------------------------------------------------------------------------- */ 172#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) 173bool acpi_osi_is_win8(void); 174#endif 175 176#endif /* _ACPI_INTERNAL_H_ */ 177