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https://github.com/acpica/acpica/
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181 lines
5.0 KiB
C
181 lines
5.0 KiB
C
/*
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__________________________________________________________________________
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| Copyright (C) Intel Corporation 1994-1998
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| All rights reserved. No part of this program or publication may be
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| reproduced, transmitted, transcribed, stored in a retrieval system, or
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| translated into any language or computer language, in any form or by any
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| means, electronic, mechanical, magnetic, optical, chemical, manual, or
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| otherwise, without the prior written permission of Intel Corporation.
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|__________________________________________________________________________
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| FILENAME: events.h - System Control Interrupt configuration and
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| legacy to ACPI mode state transition functions
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|__________________________________________________________________________
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//
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// Rev 1.0 12 Aug 1998 15:54:32 jkreinem
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// Initial revision.
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|__________________________________________________________________________
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*/
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#ifndef __EVENTS_H__
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#define __EVENTS_H__
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/* Interrupt handler return values */
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#define INTERRUPT_HANDLED 0x01
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#define INTERRUPT_NOT_HANDLED 0x02
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#define INTERRUPT_ERROR 0x03
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/* InstallSCIHandlerXferToACPI() Flags bitmask options */
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#define ACPI_TABLES_REQUIRED 0x01
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#define HW_OVERRIDE_SUPPORTED 0x02
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#define PROGRAM_SCI_LEVEL_SENSITIVITY 0x04
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#define DISABLE_KNOWN_EVENTS 0x08
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#define LOAD_ACPI_NAMESPACE 0x10
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/* iErrorMask mask bits */
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#define NO_ACPI_TABLES_MASK 0x01
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#define NO_ACPI_TRANSITION_MASK 0x02
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#define SCI_LEVEL_INT_MASK 0x04
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#define NO_SCI_HANDLER_MASK 0x08
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#define NO_LEGACY_TRANSITION_MASK 0x10
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#define UNABLE_TO_LOAD_NAMESPACE 0x20
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#define SCI_DISABLED 0x40
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#define SAVE_NOT_VALID -1
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#ifdef __EVSCI_C__
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INT32 EdgeLevelSave = SAVE_NOT_VALID;
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INT32 IrqEnableSave = SAVE_NOT_VALID;
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INT32 OriginalMode = SAVE_NOT_VALID; /* original ACPI/legacy mode */
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#else
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extern INT32 EdgeLevelSave;
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extern INT32 IrqEnableSave; /* original SCI config */
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extern INT32 OriginalMode; /* stores the original ACPI/legacy mode */
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#endif
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/* identifier strings for fixed events */
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#define TMR_FIXED_EVENT "TMR_FIXED_EVENT"
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#define NOT_USED_EVENT "UNHANDLED_SCI"
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#define GBL_FIXED_EVENT "GBL_FIXED_EVENT"
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#define PWR_BTN_FIXED_EVENT "PWR_BTN_FIXED_EVENT"
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#define SLP_BTN_FIXED_EVENT "SLP_BTN_FIXED_EVENT"
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#define RTC_FIXED_EVENT "RTC_FIXED_EVENT"
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/* event index for types of events */
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enum
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{
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TMR_EVENT,
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NOT_USED,
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/*
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* There's no bus master event so index 1 is used for IRQ's that are not
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* handled by the SCI handler
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*/
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GBL_EVENT,
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PWR_BTN_EVENT,
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SLP_BTN_EVENT,
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RTC_EVENT,
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GENERAL_EVENT
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};
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#define DISABLE 0
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#define STATUS 0
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#define ENABLE 1
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/*
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* Use the four macros below + the function iAcpiEventClearStatusBit for
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* accessing and manipulating status/enable bits for various events.
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*
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* IMPORTANT!! SCI handler must be installed or the enable bit will not be
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* modified.
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*/
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#define AcpiEventEnableEvent(name) AcpiEventEnableDisableEvent(name, ENABLE)
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#define AcpiEventDisableEvent(name) AcpiEventEnableDisableEvent(name, DISABLE)
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#define AcpiGenEventEnableEvent(name, offset) AcpiEventEnableDisableEvent(name, ENABLE, offset)
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#define AcpiGenEventDisableEvent(name, offset) AcpiEventEnableDisableEvent(name, DISABLE, offset)
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#define AcpiEventReadEnableBit(name, buf) AcpiEventReadStatusEnableBit(name, ENABLE, buf)
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#define AcpiEventReadStatusBit(name, buf) AcpiEventReadStatusEnableBit(name, STATUS, buf)
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#define AcpiGenEventReadEnableBit(name, buf, offset) AcpiEventReadStatusEnableBit(name, ENABLE, buf, offset)
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#define AcpiGenEventReadStatusBit(name, buf, offset) AcpiEventReadStatusEnableBit(name, STATUS, buf, offset)
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/*
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* elements correspond to counts for
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* TMR, GBL, PWR_BTN, SLP_BTN, and RTC
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* respectively. These counts are modified
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* by the ACPI interrupt handler...
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*/
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extern volatile UINT32 EventCount[];
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/* Prototypes */
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INT32
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AcpiEventClearStatusBit (
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char * EventName, ...);
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INT32
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AcpiEventEnableDisableEvent (
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char * EventName,
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INT32 Action, ...);
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INT32
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AcpiEventReadStatusEnableBit (
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char * EventName,
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INT32 StatusOrEnable,
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BOOLEAN * OutBit, ...);
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UINT32
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InstallSciHandler (
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void);
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void
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UninstallSciHandler (
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void);
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UINT32
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SciCount (
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char * EventName);
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INT32
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InitializeSCI (
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INT32 ProgramSCI);
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INT32
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VerifyAcpiTablesPresent (
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char * TestName);
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INT32
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InstallSCIHandlerXferToACPI (
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char * TestName,
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INT32 Flags);
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INT32
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UninstallSCIHandlerXferToLegacy (
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void);
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UINT32
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InstallInterruptHandler (
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UINT32 InterruptNumber,
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INT32 (* Isr)(void),
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UINT32 *ExceptPtr);
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INT32
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RemoveInterruptHandler (UINT32 Handle);
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#endif /* __EVENTS_H__ */
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