projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3e0a4e85 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 1da177e4 LT |
2 | /* |
| 3 | * Include file for the interface to an APM BIOS | |
| 4 | * Copyright 1994-2001 Stephen Rothwell ([email protected]) | |
| 1da177e4 | 5 | */ |
| 607ca46e DH |
6 | #ifndef _LINUX_APM_H |
| 7 | #define _LINUX_APM_H | |
| 1da177e4 | 8 | |
| 607ca46e | 9 | #include <uapi/linux/apm_bios.h> |
| 1da177e4 | 10 | |
| 1da177e4 LT |
11 | |
| 12 | #define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8) | |
| 13 | #define APM_CS_16 (APM_CS + 8) | |
| 14 | #define APM_DS (APM_CS_16 + 8) | |
| 15 | ||
| 1da177e4 LT |
16 | /* Results of APM Installation Check */ |
| 17 | #define APM_16_BIT_SUPPORT 0x0001 | |
| 18 | #define APM_32_BIT_SUPPORT 0x0002 | |
| 19 | #define APM_IDLE_SLOWS_CLOCK 0x0004 | |
| 20 | #define APM_BIOS_DISABLED 0x0008 | |
| 21 | #define APM_BIOS_DISENGAGED 0x0010 | |
| 22 | ||
| 23 | /* | |
| 24 | * Data for APM that is persistent across module unload/load | |
| 25 | */ | |
| 26 | struct apm_info { | |
| 27 | struct apm_bios_info bios; | |
| 28 | unsigned short connection_version; | |
| 29 | int get_power_status_broken; | |
| 30 | int get_power_status_swabinminutes; | |
| 31 | int allow_ints; | |
| 32 | int forbid_idle; | |
| 33 | int realmode_power_off; | |
| 34 | int disabled; | |
| 35 | }; | |
| 36 | ||
| 37 | /* | |
| 38 | * The APM function codes | |
| 39 | */ | |
| 40 | #define APM_FUNC_INST_CHECK 0x5300 | |
| 41 | #define APM_FUNC_REAL_CONN 0x5301 | |
| 42 | #define APM_FUNC_16BIT_CONN 0x5302 | |
| 43 | #define APM_FUNC_32BIT_CONN 0x5303 | |
| 44 | #define APM_FUNC_DISCONN 0x5304 | |
| 45 | #define APM_FUNC_IDLE 0x5305 | |
| 46 | #define APM_FUNC_BUSY 0x5306 | |
| 47 | #define APM_FUNC_SET_STATE 0x5307 | |
| 48 | #define APM_FUNC_ENABLE_PM 0x5308 | |
| 49 | #define APM_FUNC_RESTORE_BIOS 0x5309 | |
| 50 | #define APM_FUNC_GET_STATUS 0x530a | |
| 51 | #define APM_FUNC_GET_EVENT 0x530b | |
| 52 | #define APM_FUNC_GET_STATE 0x530c | |
| 53 | #define APM_FUNC_ENABLE_DEV_PM 0x530d | |
| 54 | #define APM_FUNC_VERSION 0x530e | |
| 55 | #define APM_FUNC_ENGAGE_PM 0x530f | |
| 56 | #define APM_FUNC_GET_CAP 0x5310 | |
| 57 | #define APM_FUNC_RESUME_TIMER 0x5311 | |
| 58 | #define APM_FUNC_RESUME_ON_RING 0x5312 | |
| 59 | #define APM_FUNC_TIMER 0x5313 | |
| 60 | ||
| 61 | /* | |
| 62 | * Function code for APM_FUNC_RESUME_TIMER | |
| 63 | */ | |
| 64 | #define APM_FUNC_DISABLE_TIMER 0 | |
| 65 | #define APM_FUNC_GET_TIMER 1 | |
| 66 | #define APM_FUNC_SET_TIMER 2 | |
| 67 | ||
| 68 | /* | |
| 69 | * Function code for APM_FUNC_RESUME_ON_RING | |
| 70 | */ | |
| 71 | #define APM_FUNC_DISABLE_RING 0 | |
| 72 | #define APM_FUNC_ENABLE_RING 1 | |
| 73 | #define APM_FUNC_GET_RING 2 | |
| 74 | ||
| 75 | /* | |
| 76 | * Function code for APM_FUNC_TIMER_STATUS | |
| 77 | */ | |
| 78 | #define APM_FUNC_TIMER_DISABLE 0 | |
| 79 | #define APM_FUNC_TIMER_ENABLE 1 | |
| 80 | #define APM_FUNC_TIMER_GET 2 | |
| 81 | ||
| 82 | /* | |
| 83 | * in arch/i386/kernel/setup.c | |
| 84 | */ | |
| 85 | extern struct apm_info apm_info; | |
| 86 | ||
| 1da177e4 LT |
87 | /* |
| 88 | * This is the "All Devices" ID communicated to the BIOS | |
| 89 | */ | |
| 90 | #define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \ | |
| 91 | APM_DEVICE_ALL : APM_DEVICE_OLD_ALL) | |
| 1da177e4 | 92 | #endif /* LINUX_APM_H */ |