lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 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 | extern struct dentry *acpi_debugfs_dir; |
| 32 | int acpi_debugfs_init(void); |
| 33 | #else |
| 34 | static inline void acpi_debugfs_init(void) { return; } |
| 35 | #endif |
| 36 | |
| 37 | /* -------------------------------------------------------------------------- |
| 38 | Power Resource |
| 39 | -------------------------------------------------------------------------- */ |
| 40 | int acpi_power_init(void); |
| 41 | int acpi_device_sleep_wake(struct acpi_device *dev, |
| 42 | int enable, int sleep_state, int dev_state); |
| 43 | int acpi_power_get_inferred_state(struct acpi_device *device, int *state); |
| 44 | int acpi_power_on_resources(struct acpi_device *device, int state); |
| 45 | int acpi_power_transition(struct acpi_device *device, int state); |
| 46 | int acpi_bus_init_power(struct acpi_device *device); |
| 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 | }; |
| 67 | |
| 68 | extern struct acpi_ec *first_ec; |
| 69 | |
| 70 | int acpi_ec_init(void); |
| 71 | int acpi_ec_ecdt_probe(void); |
| 72 | int acpi_boot_ec_enable(void); |
| 73 | void acpi_ec_block_transactions(void); |
| 74 | void acpi_ec_unblock_transactions(void); |
| 75 | void acpi_ec_unblock_transactions_early(void); |
| 76 | |
| 77 | /*-------------------------------------------------------------------------- |
| 78 | Suspend/Resume |
| 79 | -------------------------------------------------------------------------- */ |
| 80 | extern int acpi_sleep_init(void); |
| 81 | |
| 82 | #ifdef CONFIG_ACPI_SLEEP |
| 83 | int acpi_sleep_proc_init(void); |
| 84 | int suspend_nvs_alloc(void); |
| 85 | void suspend_nvs_free(void); |
| 86 | int suspend_nvs_save(void); |
| 87 | void suspend_nvs_restore(void); |
| 88 | #else |
| 89 | static inline int acpi_sleep_proc_init(void) { return 0; } |
| 90 | static inline int suspend_nvs_alloc(void) { return 0; } |
| 91 | static inline void suspend_nvs_free(void) {} |
| 92 | static inline int suspend_nvs_save(void) { return 0; } |
| 93 | static inline void suspend_nvs_restore(void) {} |
| 94 | #endif |
| 95 | |
| 96 | #endif /* _ACPI_INTERNAL_H_ */ |