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