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 int acpi_sysfs_init(void); 29 30 #ifdef CONFIG_DEBUG_FS 31 int acpi_debugfs_init(void); 32 #else 33 static inline int acpi_debugfs_init(void) { return 0; } 34 #endif 35 36 /* -------------------------------------------------------------------------- 37 Power Resource 38 -------------------------------------------------------------------------- */ 39 int acpi_power_init(void); 40 int acpi_device_sleep_wake(struct acpi_device *dev, 41 int enable, int sleep_state, int dev_state); 42 int acpi_power_get_inferred_state(struct acpi_device *device, int *state); 43 int acpi_power_on_resources(struct acpi_device *device, int state); 44 int acpi_power_transition(struct acpi_device *device, int state); 45 int acpi_bus_init_power(struct acpi_device *device); 46 47 int acpi_wakeup_device_init(void); 48 void acpi_early_processor_set_pdc(void); 49 50 /* -------------------------------------------------------------------------- 51 Embedded Controller 52 -------------------------------------------------------------------------- */ 53 struct acpi_ec { 54 acpi_handle handle; 55 unsigned long gpe; 56 unsigned long command_addr; 57 unsigned long data_addr; 58 unsigned long global_lock; 59 unsigned long flags; 60 struct mutex lock; 61 wait_queue_head_t wait; 62 struct list_head list; 63 struct transaction *curr; 64 spinlock_t curr_lock; 65 }; 66 67 extern struct acpi_ec *first_ec; 68 69 int acpi_ec_init(void); 70 int acpi_ec_ecdt_probe(void); 71 int acpi_boot_ec_enable(void); 72 void acpi_ec_block_transactions(void); 73 void acpi_ec_unblock_transactions(void); 74 void acpi_ec_unblock_transactions_early(void); 75 76 /*-------------------------------------------------------------------------- 77 Suspend/Resume 78 -------------------------------------------------------------------------- */ 79 extern int acpi_sleep_init(void); 80 81 #ifdef CONFIG_ACPI_SLEEP 82 int acpi_sleep_proc_init(void); 83 int suspend_nvs_alloc(void); 84 void suspend_nvs_free(void); 85 int suspend_nvs_save(void); 86 void suspend_nvs_restore(void); 87 #else 88 static inline int acpi_sleep_proc_init(void) { return 0; } 89 static inline int suspend_nvs_alloc(void) { return 0; } 90 static inline void suspend_nvs_free(void) {} 91 static inline int suspend_nvs_save(void) { return 0; } 92 static inline void suspend_nvs_restore(void) {} 93 #endif 94 95 #endif /* _ACPI_INTERNAL_H_ */ 96