| #ifndef _LINUX_APM_H | |
| #define _LINUX_APM_H | |
| /* | |
| * Include file for the interface to an APM BIOS | |
| * Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au) | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #include <linux/types.h> | |
| typedef unsigned short apm_event_t; | |
| typedef unsigned short apm_eventinfo_t; | |
| struct apm_bios_info { | |
| __u16 version; | |
| __u16 cseg; | |
| __u32 offset; | |
| __u16 cseg_16; | |
| __u16 dseg; | |
| __u16 flags; | |
| __u16 cseg_len; | |
| __u16 cseg_16_len; | |
| __u16 dseg_len; | |
| }; | |
| #ifdef __KERNEL__ | |
| #define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8) | |
| #define APM_CS_16 (APM_CS + 8) | |
| #define APM_DS (APM_CS_16 + 8) | |
| /* Results of APM Installation Check */ | |
| #define APM_16_BIT_SUPPORT 0x0001 | |
| #define APM_32_BIT_SUPPORT 0x0002 | |
| #define APM_IDLE_SLOWS_CLOCK 0x0004 | |
| #define APM_BIOS_DISABLED 0x0008 | |
| #define APM_BIOS_DISENGAGED 0x0010 | |
| /* | |
| * Data for APM that is persistent across module unload/load | |
| */ | |
| struct apm_info { | |
| struct apm_bios_info bios; | |
| unsigned short connection_version; | |
| int get_power_status_broken; | |
| int get_power_status_swabinminutes; | |
| int allow_ints; | |
| int forbid_idle; | |
| int realmode_power_off; | |
| int disabled; | |
| }; | |
| /* | |
| * The APM function codes | |
| */ | |
| #define APM_FUNC_INST_CHECK 0x5300 | |
| #define APM_FUNC_REAL_CONN 0x5301 | |
| #define APM_FUNC_16BIT_CONN 0x5302 | |
| #define APM_FUNC_32BIT_CONN 0x5303 | |
| #define APM_FUNC_DISCONN 0x5304 | |
| #define APM_FUNC_IDLE 0x5305 | |
| #define APM_FUNC_BUSY 0x5306 | |
| #define APM_FUNC_SET_STATE 0x5307 | |
| #define APM_FUNC_ENABLE_PM 0x5308 | |
| #define APM_FUNC_RESTORE_BIOS 0x5309 | |
| #define APM_FUNC_GET_STATUS 0x530a | |
| #define APM_FUNC_GET_EVENT 0x530b | |
| #define APM_FUNC_GET_STATE 0x530c | |
| #define APM_FUNC_ENABLE_DEV_PM 0x530d | |
| #define APM_FUNC_VERSION 0x530e | |
| #define APM_FUNC_ENGAGE_PM 0x530f | |
| #define APM_FUNC_GET_CAP 0x5310 | |
| #define APM_FUNC_RESUME_TIMER 0x5311 | |
| #define APM_FUNC_RESUME_ON_RING 0x5312 | |
| #define APM_FUNC_TIMER 0x5313 | |
| /* | |
| * Function code for APM_FUNC_RESUME_TIMER | |
| */ | |
| #define APM_FUNC_DISABLE_TIMER 0 | |
| #define APM_FUNC_GET_TIMER 1 | |
| #define APM_FUNC_SET_TIMER 2 | |
| /* | |
| * Function code for APM_FUNC_RESUME_ON_RING | |
| */ | |
| #define APM_FUNC_DISABLE_RING 0 | |
| #define APM_FUNC_ENABLE_RING 1 | |
| #define APM_FUNC_GET_RING 2 | |
| /* | |
| * Function code for APM_FUNC_TIMER_STATUS | |
| */ | |
| #define APM_FUNC_TIMER_DISABLE 0 | |
| #define APM_FUNC_TIMER_ENABLE 1 | |
| #define APM_FUNC_TIMER_GET 2 | |
| /* | |
| * in arch/i386/kernel/setup.c | |
| */ | |
| extern struct apm_info apm_info; | |
| #endif /* __KERNEL__ */ | |
| /* | |
| * Power states | |
| */ | |
| #define APM_STATE_READY 0x0000 | |
| #define APM_STATE_STANDBY 0x0001 | |
| #define APM_STATE_SUSPEND 0x0002 | |
| #define APM_STATE_OFF 0x0003 | |
| #define APM_STATE_BUSY 0x0004 | |
| #define APM_STATE_REJECT 0x0005 | |
| #define APM_STATE_OEM_SYS 0x0020 | |
| #define APM_STATE_OEM_DEV 0x0040 | |
| #define APM_STATE_DISABLE 0x0000 | |
| #define APM_STATE_ENABLE 0x0001 | |
| #define APM_STATE_DISENGAGE 0x0000 | |
| #define APM_STATE_ENGAGE 0x0001 | |
| /* | |
| * Events (results of Get PM Event) | |
| */ | |
| #define APM_SYS_STANDBY 0x0001 | |
| #define APM_SYS_SUSPEND 0x0002 | |
| #define APM_NORMAL_RESUME 0x0003 | |
| #define APM_CRITICAL_RESUME 0x0004 | |
| #define APM_LOW_BATTERY 0x0005 | |
| #define APM_POWER_STATUS_CHANGE 0x0006 | |
| #define APM_UPDATE_TIME 0x0007 | |
| #define APM_CRITICAL_SUSPEND 0x0008 | |
| #define APM_USER_STANDBY 0x0009 | |
| #define APM_USER_SUSPEND 0x000a | |
| #define APM_STANDBY_RESUME 0x000b | |
| #define APM_CAPABILITY_CHANGE 0x000c | |
| /* | |
| * Error codes | |
| */ | |
| #define APM_SUCCESS 0x00 | |
| #define APM_DISABLED 0x01 | |
| #define APM_CONNECTED 0x02 | |
| #define APM_NOT_CONNECTED 0x03 | |
| #define APM_16_CONNECTED 0x05 | |
| #define APM_16_UNSUPPORTED 0x06 | |
| #define APM_32_CONNECTED 0x07 | |
| #define APM_32_UNSUPPORTED 0x08 | |
| #define APM_BAD_DEVICE 0x09 | |
| #define APM_BAD_PARAM 0x0a | |
| #define APM_NOT_ENGAGED 0x0b | |
| #define APM_BAD_FUNCTION 0x0c | |
| #define APM_RESUME_DISABLED 0x0d | |
| #define APM_NO_ERROR 0x53 | |
| #define APM_BAD_STATE 0x60 | |
| #define APM_NO_EVENTS 0x80 | |
| #define APM_NOT_PRESENT 0x86 | |
| /* | |
| * APM Device IDs | |
| */ | |
| #define APM_DEVICE_BIOS 0x0000 | |
| #define APM_DEVICE_ALL 0x0001 | |
| #define APM_DEVICE_DISPLAY 0x0100 | |
| #define APM_DEVICE_STORAGE 0x0200 | |
| #define APM_DEVICE_PARALLEL 0x0300 | |
| #define APM_DEVICE_SERIAL 0x0400 | |
| #define APM_DEVICE_NETWORK 0x0500 | |
| #define APM_DEVICE_PCMCIA 0x0600 | |
| #define APM_DEVICE_BATTERY 0x8000 | |
| #define APM_DEVICE_OEM 0xe000 | |
| #define APM_DEVICE_OLD_ALL 0xffff | |
| #define APM_DEVICE_CLASS 0x00ff | |
| #define APM_DEVICE_MASK 0xff00 | |
| #ifdef __KERNEL__ | |
| /* | |
| * This is the "All Devices" ID communicated to the BIOS | |
| */ | |
| #define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \ | |
| APM_DEVICE_ALL : APM_DEVICE_OLD_ALL) | |
| #endif | |
| /* | |
| * Battery status | |
| */ | |
| #define APM_MAX_BATTERIES 2 | |
| /* | |
| * APM defined capability bit flags | |
| */ | |
| #define APM_CAP_GLOBAL_STANDBY 0x0001 | |
| #define APM_CAP_GLOBAL_SUSPEND 0x0002 | |
| #define APM_CAP_RESUME_STANDBY_TIMER 0x0004 /* Timer resume from standby */ | |
| #define APM_CAP_RESUME_SUSPEND_TIMER 0x0008 /* Timer resume from suspend */ | |
| #define APM_CAP_RESUME_STANDBY_RING 0x0010 /* Resume on Ring fr standby */ | |
| #define APM_CAP_RESUME_SUSPEND_RING 0x0020 /* Resume on Ring fr suspend */ | |
| #define APM_CAP_RESUME_STANDBY_PCMCIA 0x0040 /* Resume on PCMCIA Ring */ | |
| #define APM_CAP_RESUME_SUSPEND_PCMCIA 0x0080 /* Resume on PCMCIA Ring */ | |
| /* | |
| * ioctl operations | |
| */ | |
| #include <linux/ioctl.h> | |
| #define APM_IOC_STANDBY _IO('A', 1) | |
| #define APM_IOC_SUSPEND _IO('A', 2) | |
| #endif /* LINUX_APM_H */ |