forked from mirrors/linux
3e0a4e8580
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 44 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Richard Fontana <rfontana@redhat.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091651.032047323@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
92 lines
2.3 KiB
C
92 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* Include file for the interface to an APM BIOS
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* Copyright 1994-2001 Stephen Rothwell (sfr@canb.auug.org.au)
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*/
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#ifndef _LINUX_APM_H
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#define _LINUX_APM_H
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#include <uapi/linux/apm_bios.h>
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#define APM_CS (GDT_ENTRY_APMBIOS_BASE * 8)
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#define APM_CS_16 (APM_CS + 8)
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#define APM_DS (APM_CS_16 + 8)
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/* Results of APM Installation Check */
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#define APM_16_BIT_SUPPORT 0x0001
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#define APM_32_BIT_SUPPORT 0x0002
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#define APM_IDLE_SLOWS_CLOCK 0x0004
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#define APM_BIOS_DISABLED 0x0008
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#define APM_BIOS_DISENGAGED 0x0010
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/*
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* Data for APM that is persistent across module unload/load
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*/
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struct apm_info {
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struct apm_bios_info bios;
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unsigned short connection_version;
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int get_power_status_broken;
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int get_power_status_swabinminutes;
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int allow_ints;
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int forbid_idle;
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int realmode_power_off;
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int disabled;
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};
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/*
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* The APM function codes
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*/
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#define APM_FUNC_INST_CHECK 0x5300
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#define APM_FUNC_REAL_CONN 0x5301
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#define APM_FUNC_16BIT_CONN 0x5302
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#define APM_FUNC_32BIT_CONN 0x5303
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#define APM_FUNC_DISCONN 0x5304
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#define APM_FUNC_IDLE 0x5305
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#define APM_FUNC_BUSY 0x5306
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#define APM_FUNC_SET_STATE 0x5307
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#define APM_FUNC_ENABLE_PM 0x5308
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#define APM_FUNC_RESTORE_BIOS 0x5309
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#define APM_FUNC_GET_STATUS 0x530a
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#define APM_FUNC_GET_EVENT 0x530b
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#define APM_FUNC_GET_STATE 0x530c
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#define APM_FUNC_ENABLE_DEV_PM 0x530d
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#define APM_FUNC_VERSION 0x530e
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#define APM_FUNC_ENGAGE_PM 0x530f
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#define APM_FUNC_GET_CAP 0x5310
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#define APM_FUNC_RESUME_TIMER 0x5311
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#define APM_FUNC_RESUME_ON_RING 0x5312
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#define APM_FUNC_TIMER 0x5313
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/*
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* Function code for APM_FUNC_RESUME_TIMER
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*/
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#define APM_FUNC_DISABLE_TIMER 0
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#define APM_FUNC_GET_TIMER 1
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#define APM_FUNC_SET_TIMER 2
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/*
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* Function code for APM_FUNC_RESUME_ON_RING
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*/
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#define APM_FUNC_DISABLE_RING 0
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#define APM_FUNC_ENABLE_RING 1
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#define APM_FUNC_GET_RING 2
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/*
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* Function code for APM_FUNC_TIMER_STATUS
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*/
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#define APM_FUNC_TIMER_DISABLE 0
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#define APM_FUNC_TIMER_ENABLE 1
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#define APM_FUNC_TIMER_GET 2
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/*
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* in arch/i386/kernel/setup.c
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*/
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extern struct apm_info apm_info;
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/*
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* This is the "All Devices" ID communicated to the BIOS
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*/
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#define APM_DEVICE_BALL ((apm_info.connection_version > 0x0100) ? \
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APM_DEVICE_ALL : APM_DEVICE_OLD_ALL)
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#endif /* LINUX_APM_H */
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