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119 lines
3.2 KiB
119 lines
3.2 KiB
/****************************************************************************
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*
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* SYS_IRQ.C
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*
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* FastMAC Plus based NDIS3 miniport driver. This module contains helper
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* routines used by the FTK to handle interrupts.
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*
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* Copyright (c) Madge Networks Ltd 1991-1994
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*
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* COMPANY CONFIDENTIAL
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*
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* Created: MF
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* Major modifications: PBA 21/06/1994
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*
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****************************************************************************/
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#include <ndis.h>
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#include "ftk_defs.h"
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#include "ftk_intr.h"
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#include "ftk_extr.h"
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#include "ndismod.h"
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/****************************************************************************
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*
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* Function - sys_enable_irq_channel
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*
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* Parameters - adapter_handle -> FTK adapter handle.
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* interrupt_number -> Interrupt number to enable (unused).
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*
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* Purpose - Register an IRQ with the NDIS3 wrapper so that
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* MadgeInterruptServiceRoutine() gets called on the
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* IRQ and MadgeDeferredProcessingRoutine() as the DPR.
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*
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* Returns - TRUE on success or FALSE on failure.
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*
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****************************************************************************/
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WBOOLEAN
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sys_enable_irq_channel(ADAPTER_HANDLE adapter_handle, WORD interrupt_number);
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#pragma FTK_INIT_FUNCTION(sys_enable_irq_channel)
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WBOOLEAN
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sys_enable_irq_channel(ADAPTER_HANDLE adapter_handle, WORD interrupt_number)
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{
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PMADGE_ADAPTER ndisAdap;
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NDIS_STATUS status;
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ndisAdap = PMADGE_ADAPTER_FROM_ADAPTER_HANDLE(adapter_handle);
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//
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// Register with the NDIS3 wrapper.
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//
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status = NdisMRegisterInterrupt(
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&ndisAdap->Interrupt,
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ndisAdap->UsedInISR.MiniportHandle,
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(UINT) ndisAdap->UsedInISR.InterruptNumber,
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(UINT) ndisAdap->UsedInISR.InterruptNumber,
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TRUE, // We want ISRs.
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ndisAdap->UsedInISR.InterruptShared,
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ndisAdap->UsedInISR.InterruptMode
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);
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//
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// If it didn't work then write an entry to the event log.
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//
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if (status != NDIS_STATUS_SUCCESS)
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{
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NdisWriteErrorLogEntry(
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ndisAdap->UsedInISR.MiniportHandle,
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NDIS_ERROR_CODE_INTERRUPT_CONNECT,
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2,
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inFtk,
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MADGE_ERRMSG_INIT_INTERRUPT
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);
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return FALSE;
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}
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return TRUE;
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}
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/****************************************************************************
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*
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* Function - sys_disable_irq_channel
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*
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* Parameters - adapter_handle -> FTK adapter handle.
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* interrupt_number -> Interrupt number to disable (unused).
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*
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* Purpose - De-register an IRQ with the NDIS3 wrapper.
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*
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* Returns - Nothing.
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*
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****************************************************************************/
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void
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sys_disable_irq_channel(ADAPTER_HANDLE adapter_handle, WORD interrupt_number)
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{
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PMADGE_ADAPTER ndisAdap;
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ndisAdap = PMADGE_ADAPTER_FROM_ADAPTER_HANDLE(adapter_handle);
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//
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// De-register with the NDIS3 wrapper.
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//
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NdisMDeregisterInterrupt(&ndisAdap->Interrupt);
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}
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/******** End of SYS_IRQ.C ************************************************/
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