Leaked source code of windows server 2003
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2.6 KiB

/*++
Copyright (c) 1997 Microsoft Corporation
Module Name:
acpiio.h
Abstract:
ACPI OS Independent I/O routines
We probably need a spinlock or some other form of protection to
make the split read and writes atomic
Author:
Jason Clark (JasonCl)
Stephane Plante (SPlante)
Environment:
NT Kernel Model Driver only
Revision History:
Eric Nelson October, '98 - Add READ/WRITE_ACPI_REGISTER
--*/
#ifndef _ACPIIO_H_
#define _ACPIIO_H_
//
// Flags for WRITE_PM1_CONTROL
//
#define WRITE_REGISTER_A_BIT 0
#define WRITE_REGISTER_A (1 << WRITE_REGISTER_A_BIT)
#define WRITE_REGISTER_B_BIT 1
#define WRITE_REGISTER_B (1 << WRITE_REGISTER_B_BIT)
#define WRITE_SCI_BIT 2
#define WRITE_SCI (1 << WRITE_SCI_BIT)
#define WRITE_REGISTER_A_AND_B WRITE_REGISTER_A+WRITE_REGISTER_B
#define WRITE_REGISTER_A_AND_B_SCI WRITE_REGISTER_A+WRITE_REGISTER_B+WRITE_SCI
ULONG
ACPIIoReadPm1Status(
VOID
);
VOID
CLEAR_PM1_STATUS_BITS(
USHORT BitMask
);
#define ACPIIoClearPm1Status CLEAR_PM1_STATUS_BITS
VOID
CLEAR_PM1_STATUS_REGISTER(
VOID
);
USHORT
READ_PM1_CONTROL(
VOID
);
USHORT
READ_PM1_ENABLE(
VOID
);
USHORT
READ_PM1_STATUS(
VOID
);
VOID
WRITE_PM1_CONTROL(
USHORT Value,
BOOLEAN Destructive,
ULONG Flags
);
VOID
WRITE_PM1_ENABLE(
USHORT Value
);
//
// From acpiio.c, these point to DefRead/WriteAcpiRegister
// by default (x86)
//
extern PREAD_ACPI_REGISTER AcpiReadRegisterRoutine;
extern PWRITE_ACPI_REGISTER AcpiWriteRegisterRoutine;
USHORT
DefPortReadAcpiRegister(
ACPI_REG_TYPE AcpiReg,
ULONG Register
);
VOID
DefPortWriteAcpiRegister(
ACPI_REG_TYPE AcpiReg,
ULONG Register,
USHORT Value
);
USHORT
DefRegisterReadAcpiRegister(
ACPI_REG_TYPE AcpiReg,
ULONG Register
);
VOID
DefRegisterWriteAcpiRegister(
ACPI_REG_TYPE AcpiReg,
ULONG Register,
USHORT Value
);
//
// All ACPI register accesses is now done via these macros
//
#define READ_ACPI_REGISTER(AcpiReg, Register) ((*AcpiReadRegisterRoutine)((AcpiReg), (Register)))
#define WRITE_ACPI_REGISTER(AcpiReg, Register, Value) ((*AcpiWriteRegisterRoutine)((AcpiReg), (Register), (Value)))
#endif // _ACPIIO_H_