76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*++
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; Copyright (c) 1998 Microsoft Corporation
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; Module Name:
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; ntapm.h
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; Abstract:
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; This module contains definitions specific to legacy APM support in NT5, including special HAL interfaces
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; Author:
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; Bryan Willman (bryanwi) 13 Feb 1998
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*/
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// Arguments to HalInitPowerManagment
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#define HAL_APM_SIGNATURE 0x004D5041 // APM
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#define HAL_APM_VERSION 500 // 5.00
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#define HAL_APM_TABLE_SIZE (sizeof(PM_DISPATCH_TABLE)+sizeof(PVOID))
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#define HAL_APM_SLEEP_VECTOR 0
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#define HAL_APM_OFF_VECTOR 1
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// Values used in the Parameters.Other part of an IO_STACK_LOCATION
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// to set up a link between a battery and ntapm.sys
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typedef struct _NTAPM_LINK {
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ULONG Signature; // overlay Argument1
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ULONG Version; // overlay Argument2
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ULONG BattLevelPtr; // overlay Argument3, pointer to pointer to a pvoid void function
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ULONG ChangeNotify; // overlay Argument4, address of notify function
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} NTAPM_LINK, *PNTAPM_LINK;
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#define NTAPM_LINK_SIGNATURE 0x736d7061 // apms = Argument1
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#define NTAPM_LINK_VERSION 500 // 5.00 = Argument2
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// Major code is IRP_MJ_INTERNAL_DEVICE_CONTROL
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// Minor code is 0.
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// BattLevelPtr gets the address of a routine with prototype:
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//ULONG BatteryLevel();
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// Data returned by NtApmGetBatteryLevel in NTAPM
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// is a ULONG, cracked with these defines.
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#define NTAPM_ACON 0x1000
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#define NTAPM_NO_BATT 0x2000
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#define NTAPM_NO_SYS_BATT 0x4000
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#define NTAPM_BATTERY_STATE 0x0f00
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#define NTAPM_BATTERY_STATE_SHIFT 8
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#define NTAPM_POWER_PERCENT 0x00ff
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// ChangeNotify provides the address of a routine with prototype
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//VOID ChangeNotify();
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