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 #include <linux/sysdev.h> 25 26 #define PREFIX "ACPI: " 27 28 int init_acpi_device_notify(void); 29 int acpi_scan_init(void); 30 int acpi_sysfs_init(void); 31 32 #ifdef CONFIG_DEBUG_FS 33 int acpi_debugfs_init(void); 34 #else 35 static inline int acpi_debugfs_init(void) { return 0; } 36 #endif 37 38 /* -------------------------------------------------------------------------- 39 Power Resource 40 -------------------------------------------------------------------------- */ 41 int acpi_power_init(void); 42 int acpi_device_sleep_wake(struct acpi_device *dev, 43 int enable, int sleep_state, int dev_state); 44 int acpi_power_get_inferred_state(struct acpi_device *device); 45 int acpi_power_transition(struct acpi_device *device, int state); 46 extern int acpi_power_nocheck; 47 48 int acpi_wakeup_device_init(void); 49 void acpi_early_processor_set_pdc(void); 50 51 /* -------------------------------------------------------------------------- 52 Embedded Controller 53 -------------------------------------------------------------------------- */ 54 struct acpi_ec { 55 acpi_handle handle; 56 unsigned long gpe; 57 unsigned long command_addr; 58 unsigned long data_addr; 59 unsigned long global_lock; 60 unsigned long flags; 61 struct mutex lock; 62 wait_queue_head_t wait; 63 struct list_head list; 64 struct transaction *curr; 65 spinlock_t curr_lock; 66 struct sys_device sysdev; 67 }; 68 69 extern struct acpi_ec *first_ec; 70 71 int acpi_ec_init(void); 72 int acpi_ec_ecdt_probe(void); 73 int acpi_boot_ec_enable(void); 74 void acpi_ec_block_transactions(void); 75 void acpi_ec_unblock_transactions(void); 76 void acpi_ec_unblock_transactions_early(void); 77 78 /*-------------------------------------------------------------------------- 79 Suspend/Resume 80 -------------------------------------------------------------------------- */ 81 extern int acpi_sleep_init(void); 82 83 #ifdef CONFIG_ACPI_SLEEP 84 int acpi_sleep_proc_init(void); 85 #else 86 static inline int acpi_sleep_proc_init(void) { return 0; } 87 #endif 88 89 #endif /* _ACPI_INTERNAL_H_ */ 90