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2675 lines
77 KiB
2675 lines
77 KiB
/*++
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Copyright (C) SCM Micro Systems.
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Module Name:
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parstl.c
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Abstract:
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This is the module that generates unique device id
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for shuttle adapters, that do not have the capability
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to do so, by themselves.
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Author:
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Devanathan NR 21-Jun-1999
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Sudheendran TL
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Environment:
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Kernel mode
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Revision History :
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--*/
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#include "pch.h"
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#include "shuttle.h"
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BOOLEAN
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ParStlCheckIfStl(
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IN PPDO_EXTENSION Extension,
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IN ULONG ulDaisyIndex
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)
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/*++
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Routine Description:
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This function checks whether the indicated device
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is a shuttle device or not.
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Arguments:
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Extension - Device extension structure.
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ulDaisyIndex - The daisy index on which to do the check.
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Return Value:
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TRUE - Yes, it was a Shuttle device.
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FALSE - No, not a shuttle.
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--*/
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{
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BOOLEAN bStlNon1284_3Found = FALSE ;
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DD(NULL,DDW,"ParStlCheckIfStl - enter\n");
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Extension->Ieee1284Flags &= ( ~ ( 1 << ulDaisyIndex ) ) ;
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bStlNon1284_3Found = ParStlCheckIfNon1284_3Present( Extension ) ;
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if ( TRUE == ParStlCheckIfStl1284_3 ( Extension, ulDaisyIndex, bStlNon1284_3Found ) ) {
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// this adapter is a Shuttle 1284_3 adapter
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Extension->Ieee1284Flags |= ( 1 << ulDaisyIndex ) ;
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return TRUE ;
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}
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if ( TRUE == bStlNon1284_3Found ) {
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if ( TRUE == ParStlCheckIfStlProductId ( Extension, ulDaisyIndex ) ) {
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// this adapter is Shuttle non-1284_3 adapter
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Extension->Ieee1284Flags |= ( 1 << ulDaisyIndex ) ;
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return TRUE ;
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}
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}
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return FALSE ;
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}
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BOOLEAN
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ParStlCheckIfNon1284_3Present(
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IN PPDO_EXTENSION Extension
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)
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/*++
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Routine Description:
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Indicates whether one of the devices of the earlier
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specification is present in the chain.
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Arguments:
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Extension - Device Extension structure
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Return Value:
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TRUE : Atleast one of the adapters are of earlier spec.
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FALSE : None of the adapters of the earlier spec.
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--*/
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{
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BOOLEAN bReturnValue = FALSE ;
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UCHAR i, value, newvalue, status;
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ULONG Delay = 3;
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PUCHAR CurrentPort, CurrentStatus, CurrentControl;
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UCHAR ucAckStatus ;
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CurrentPort = Extension->Controller;
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CurrentStatus = CurrentPort + 1;
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CurrentControl = CurrentPort + 2;
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// get current ctl reg
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value = P5ReadPortUchar( CurrentControl );
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// make sure 1284.3 devices do not get reseted
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newvalue = (UCHAR)((value & ~DCR_SELECT_IN) | DCR_NOT_INIT);
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// make sure we can write
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newvalue = (UCHAR)(newvalue & ~DCR_DIRECTION);
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P5WritePortUchar( CurrentControl, newvalue ); // make sure we can write
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// bring nStrobe high
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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// send first four bytes of the 1284.3 mode qualifier sequence out
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for ( i = 0; i < MODE_LEN_1284_3 - 3; i++ ) {
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P5WritePortUchar( CurrentPort, ModeQualifier[i] );
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KeStallExecutionProcessor( Delay );
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}
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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if ( (status & (UCHAR)0xb8 )
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== ( DSR_NOT_BUSY | DSR_PERROR | DSR_SELECT | DSR_NOT_FAULT )) {
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ucAckStatus = status & 0x40 ;
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// continue with fifth byte of mode qualifier
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P5WritePortUchar( CurrentPort, ModeQualifier[4] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// note busy is high too but is opposite so we see it as a low
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if (( status & (UCHAR) 0xb8 ) == (DSR_SELECT | DSR_NOT_FAULT)) {
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if ( ucAckStatus != ( status & 0x40 ) ) {
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// save current ack status
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ucAckStatus = status & 0x40 ;
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// continue with sixth byte
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P5WritePortUchar( CurrentPort, ModeQualifier[5] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// if status is valid there is a device out there responding
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if ((status & (UCHAR) 0x30 ) == ( DSR_PERROR | DSR_SELECT )) {
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bReturnValue = TRUE ;
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} // Third status
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} // ack of earlier adapters not seen
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// last byte
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P5WritePortUchar( CurrentPort, ModeQualifier[6] );
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} // Second status
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} // First status
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P5WritePortUchar( CurrentControl, value ); // restore everything
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DD(NULL,DDW,"ParStlCheckIfNon1284_3Present - returning %s\n",bReturnValue?"TRUE":"FALSE");
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return bReturnValue ;
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} // ParStlCheckIfNon1284_3Present
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BOOLEAN
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ParStlCheckIfStl1284_3(
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IN PPDO_EXTENSION Extension,
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IN ULONG ulDaisyIndex,
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IN BOOLEAN bNoStrobe
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)
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/*++
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Routine Description:
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This function checks to see whether the device indicated
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is a Shuttle 1284_3 type of device.
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Arguments:
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Extension - Device extension structure.
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ulDaisyIndex - The daisy chain id of the device that
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this function will check on.
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bNoStrobe - If set, indicates that the query
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Ep1284 command issued by this function
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need not assert strobe to latch the
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command.
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Return Value:
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TRUE - Yes. Device is Shuttle 1284_3 type of device.
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FALSE - No. This may mean that this device is either
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non-shuttle or Shuttle non-1284_3 type of
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device.
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--*/
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{
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BOOLEAN bReturnValue = FALSE ;
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UCHAR i, value, newvalue, status;
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ULONG Delay = 3;
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UCHAR ucExpectedPattern ;
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UCHAR ucReadValue, ucReadPattern;
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PUCHAR CurrentPort, CurrentStatus, CurrentControl;
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CurrentPort = Extension->Controller;
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CurrentStatus = CurrentPort + 1;
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CurrentControl = CurrentPort + 2;
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// get current ctl reg
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value = P5ReadPortUchar( CurrentControl );
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// make sure 1284.3 devices do not get reseted
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newvalue = (UCHAR)((value & ~DCR_SELECT_IN) | DCR_NOT_INIT);
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// make sure we can write
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newvalue = (UCHAR)(newvalue & ~DCR_DIRECTION);
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P5WritePortUchar( CurrentControl, newvalue ); // make sure we can write
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// bring nStrobe high
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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// send first four bytes of the 1284.3 mode qualifier sequence out
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for ( i = 0; i < MODE_LEN_1284_3 - 3; i++ ) {
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P5WritePortUchar( CurrentPort, ModeQualifier[i] );
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KeStallExecutionProcessor( Delay );
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}
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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if ( (status & (UCHAR)0xb8 )
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== ( DSR_NOT_BUSY | DSR_PERROR | DSR_SELECT | DSR_NOT_FAULT )) {
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// continue with fifth byte of mode qualifier
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P5WritePortUchar( CurrentPort, ModeQualifier[4] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// note busy is high too but is opposite so we see it as a low
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if (( status & (UCHAR) 0xb8 ) == (DSR_SELECT | DSR_NOT_FAULT)) {
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// continue with sixth byte
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P5WritePortUchar( CurrentPort, ModeQualifier[5] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// if status is valid there is a device out there responding
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if ((status & (UCHAR) 0x30 ) == ( DSR_PERROR | DSR_SELECT )) {
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// Device is out there
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KeStallExecutionProcessor( Delay );
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// issue shuttle specific CPP command
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P5WritePortUchar( CurrentPort, (UCHAR) ( 0x88 | ulDaisyIndex ) );
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KeStallExecutionProcessor( Delay ); // wait a bit
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if ( ulDaisyIndex && ( bNoStrobe == FALSE ) ) {
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue | DCR_STROBE) ); // bring nStrobe low
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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KeStallExecutionProcessor( Delay ); // wait a bit
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}
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ucExpectedPattern = 0xF0 ;
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bReturnValue = TRUE ;
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while ( ucExpectedPattern ) {
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentPort, (UCHAR) (0x80 | ulDaisyIndex )) ;
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentPort, (UCHAR) (0x88 | ulDaisyIndex )) ;
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KeStallExecutionProcessor( Delay ); // wait a bit
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ucReadValue = P5ReadPortUchar( CurrentStatus ) ;
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ucReadPattern = ( ucReadValue << 1 ) & 0x70 ;
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ucReadPattern |= ( ucReadValue & 0x80 ) ;
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if ( ucReadPattern != ucExpectedPattern ) {
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// not Shuttle 1284_3 behaviour
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bReturnValue = FALSE ;
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break ;
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}
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ucExpectedPattern -= 0x10 ;
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}
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// last byte
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P5WritePortUchar( CurrentPort, ModeQualifier[6] );
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} // Third status
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} // Second status
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} // First status
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P5WritePortUchar( CurrentControl, value ); // restore everything
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DD(NULL,DDW,"ParStlCheckIfStl1284_3 - returning %s\n",bReturnValue?"TRUE":"FALSE");
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return bReturnValue ;
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} // end ParStlCheckIfStl1284_3()
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BOOLEAN
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ParStlCheckIfStlProductId(
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IN PPDO_EXTENSION Extension,
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IN ULONG ulDaisyIndex
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)
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/*++
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Routine Description:
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This function checks to see whether the device indicated
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is a Shuttle non-1284_3 type of device.
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Arguments:
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Extension - Device extension structure.
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ulDaisyIndex - The daisy chain id of the device that
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this function will check on.
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Return Value:
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TRUE - Yes. Device is Shuttle non-1284_3 type of device.
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FALSE - No. This may mean that this device is
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non-shuttle.
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--*/
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{
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BOOLEAN bReturnValue = FALSE ;
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UCHAR i, value, newvalue, status;
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ULONG Delay = 3;
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UCHAR ucProdIdHiByteHiNibble, ucProdIdHiByteLoNibble ;
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UCHAR ucProdIdLoByteHiNibble, ucProdIdLoByteLoNibble ;
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UCHAR ucProdIdHiByte, ucProdIdLoByte ;
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USHORT usProdId ;
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PUCHAR CurrentPort, CurrentStatus, CurrentControl;
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CurrentPort = Extension->Controller;
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CurrentStatus = CurrentPort + 1;
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CurrentControl = CurrentPort + 2;
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// get current ctl reg
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value = P5ReadPortUchar( CurrentControl );
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// make sure 1284.3 devices do not get reseted
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newvalue = (UCHAR)((value & ~DCR_SELECT_IN) | DCR_NOT_INIT);
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// make sure we can write
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newvalue = (UCHAR)(newvalue & ~DCR_DIRECTION);
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P5WritePortUchar( CurrentControl, newvalue ); // make sure we can write
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// bring nStrobe high
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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// send first four bytes of the 1284.3 mode qualifier sequence out
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for ( i = 0; i < MODE_LEN_1284_3 - 3; i++ ) {
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P5WritePortUchar( CurrentPort, ModeQualifier[i] );
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KeStallExecutionProcessor( Delay );
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}
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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if ( (status & (UCHAR)0xb8 )
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== ( DSR_NOT_BUSY | DSR_PERROR | DSR_SELECT | DSR_NOT_FAULT )) {
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// continue with fifth byte of mode qualifier
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P5WritePortUchar( CurrentPort, ModeQualifier[4] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// note busy is high too but is opposite so we see it as a low
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if (( status & (UCHAR) 0xb8 ) == (DSR_SELECT | DSR_NOT_FAULT)) {
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// continue with sixth byte
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P5WritePortUchar( CurrentPort, ModeQualifier[5] );
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KeStallExecutionProcessor( Delay );
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// check for correct status
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status = P5ReadPortUchar( CurrentStatus );
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// if status is valid there is a device out there responding
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if ((status & (UCHAR) 0x30 ) == ( DSR_PERROR | DSR_SELECT )) {
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P5WritePortUchar ( CurrentPort, (UCHAR) (CPP_QUERY_PRODID | ulDaisyIndex )) ;
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KeStallExecutionProcessor( Delay );
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// Device is out there
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KeStallExecutionProcessor( Delay );
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ucProdIdLoByteHiNibble = P5ReadPortUchar( CurrentStatus ) ;
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ucProdIdLoByteHiNibble &= 0xF0 ;
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KeStallExecutionProcessor( Delay );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue | DCR_STROBE) ); // bring nStrobe low
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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KeStallExecutionProcessor( Delay ); // wait a bit
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ucProdIdLoByteLoNibble = P5ReadPortUchar( CurrentStatus ) ;
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ucProdIdLoByteLoNibble >>= 4 ;
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ucProdIdLoByte = ucProdIdLoByteHiNibble | ucProdIdLoByteLoNibble ;
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KeStallExecutionProcessor( Delay );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue | DCR_STROBE) ); // bring nStrobe low
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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KeStallExecutionProcessor( Delay ); // wait a bit
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ucProdIdHiByteHiNibble = P5ReadPortUchar( CurrentStatus ) ;
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ucProdIdHiByteHiNibble &= 0xF0 ;
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KeStallExecutionProcessor( Delay );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue | DCR_STROBE) ); // bring nStrobe low
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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KeStallExecutionProcessor( Delay ); // wait a bit
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ucProdIdHiByteLoNibble = P5ReadPortUchar( CurrentStatus ) ;
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ucProdIdHiByteLoNibble >>= 4 ;
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ucProdIdHiByte = ucProdIdHiByteHiNibble | ucProdIdHiByteLoNibble ;
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// last strobe
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KeStallExecutionProcessor( Delay );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) );
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue | DCR_STROBE) ); // bring nStrobe low
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KeStallExecutionProcessor( Delay ); // wait a bit
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P5WritePortUchar( CurrentControl, (UCHAR)(newvalue & ~DCR_STROBE) ); // bring nStrobe high
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KeStallExecutionProcessor( Delay ); // wait a bit
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usProdId = ( ucProdIdHiByte << 8 ) | ucProdIdLoByte ;
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if ( ( SHTL_EPAT_PRODID == usProdId ) ||\
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( SHTL_EPST_PRODID == usProdId ) ) {
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// one of the devices that conform to the earlier
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// draft is found
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bReturnValue = TRUE ;
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}
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// last byte
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P5WritePortUchar( CurrentPort, ModeQualifier[6] );
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} // Third status
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} // Second status
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} // First status
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P5WritePortUchar( CurrentControl, value ); // restore everything
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DD(NULL,DDW,"ParStlCheckIfStlProductId - returning %s\n",bReturnValue?"TRUE":"FALSE");
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return bReturnValue ;
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} // end ParStlCheckIfStlProductId()
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PCHAR
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ParStlQueryStlDeviceId(
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IN PPDO_EXTENSION Extension,
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OUT PCHAR CallerDeviceIdBuffer,
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IN ULONG CallerBufferSize,
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OUT PULONG DeviceIdSize,
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IN BOOLEAN bReturnRawString
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)
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/*++
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Routine Description:
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This routine retrieves/constructs the unique device id
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string from the selected shuttle device on the chain
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and updates the caller's buffer with the same.
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Arguments:
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IN Extension : The device extension
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OUT CallerDeviceIdBuffer : Caller's buffer
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IN CallerBufferSize : Size of caller's buffer
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OUT DeviceIdSize : Updated device id's size
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IN bReturnRawString : Whether to return raw
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string with the first two
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bytes or not.
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Return Value:
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Pointer to the read device ID string, if successful.
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NULL otherwise.
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--*/
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|
{
|
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PUCHAR Controller = Extension->Controller;
|
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NTSTATUS Status;
|
|
UCHAR idSizeBuffer[2];
|
|
ULONG bytesToRead;
|
|
ULONG bytesRead = 0;
|
|
USHORT deviceIdSize;
|
|
USHORT deviceIdBufferSize;
|
|
PCHAR deviceIdBuffer;
|
|
PCHAR readPtr;
|
|
|
|
DD(NULL,DDW,"ParStlQueryStlDeviceId - enter\n");
|
|
|
|
*DeviceIdSize = 0;
|
|
|
|
// assert idle state, to recover from undefined state,
|
|
// just in case it gets into
|
|
ParStlAssertIdleState ( Extension ) ;
|
|
|
|
//
|
|
// If we are currently connected to the peripheral via any 1284 mode
|
|
// other than Compatibility/Spp mode (which does not require an IEEE
|
|
// negotiation), we must first terminate the current mode/connection.
|
|
//
|
|
// dvdf - RMT - what if we are connected in a reverse mode?
|
|
//
|
|
if( (Extension->Connected) && (afpForward[Extension->IdxForwardProtocol].fnDisconnect) ) {
|
|
afpForward[Extension->IdxForwardProtocol].fnDisconnect (Extension);
|
|
}
|
|
|
|
//
|
|
// Negotiate the peripheral into nibble device id mode.
|
|
//
|
|
Status = ParEnterNibbleMode(Extension, REQUEST_DEVICE_ID);
|
|
if( !NT_SUCCESS(Status) ) {
|
|
ParTerminateNibbleMode(Extension);
|
|
goto targetContinue;
|
|
}
|
|
|
|
|
|
//
|
|
// Read first two bytes to get the total (including the 2 size bytes) size
|
|
// of the Device Id string.
|
|
//
|
|
bytesToRead = 2;
|
|
Status = ParNibbleModeRead(Extension, idSizeBuffer, bytesToRead, &bytesRead);
|
|
if( !NT_SUCCESS( Status ) || ( bytesRead != bytesToRead ) ) {
|
|
goto targetContinue;
|
|
}
|
|
|
|
|
|
//
|
|
// Compute size of DeviceId string (including the 2 byte size prefix)
|
|
//
|
|
deviceIdSize = (USHORT)( idSizeBuffer[0]*0x100 + idSizeBuffer[1] );
|
|
|
|
{
|
|
const USHORT minValidDevId = 14; // 2 size bytes + "MFG:x;" + "MDL:y;"
|
|
const USHORT maxValidDevId = 2048; // arbitrary, but we've never seen one > 1024
|
|
|
|
if( (deviceIdSize < minValidDevId) || (deviceIdSize > maxValidDevId) ) {
|
|
//
|
|
// The device is reporting a 1284 ID string length that is probably bogus.
|
|
// Ignore the device reported ID and skip to the code below that makes
|
|
// up a VID/PID based 1284 ID based on the specific SCM Micro chip used
|
|
// by the device.
|
|
//
|
|
goto targetContinue;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Allocate a buffer to hold the DeviceId string and read the DeviceId into it.
|
|
//
|
|
if( bReturnRawString ) {
|
|
//
|
|
// Caller wants the raw string including the 2 size bytes
|
|
//
|
|
*DeviceIdSize = deviceIdSize;
|
|
deviceIdBufferSize = (USHORT)(deviceIdSize + sizeof(CHAR)); // ID size + ID + terminating NULL
|
|
} else {
|
|
//
|
|
// Caller does not want the 2 byte size prefix
|
|
//
|
|
*DeviceIdSize = deviceIdSize - 2*sizeof(CHAR);
|
|
deviceIdBufferSize = (USHORT)(deviceIdSize - 2*sizeof(CHAR) + sizeof(CHAR)); // ID + terminating NULL
|
|
}
|
|
|
|
deviceIdBuffer = (PCHAR)ExAllocatePool(PagedPool, deviceIdBufferSize);
|
|
if( !deviceIdBuffer ) {
|
|
goto targetContinue;
|
|
}
|
|
|
|
|
|
//
|
|
// NULL out the ID buffer to be safe
|
|
//
|
|
RtlZeroMemory( deviceIdBuffer, deviceIdBufferSize );
|
|
|
|
|
|
//
|
|
// Does the caller want the 2 byte size prefix?
|
|
//
|
|
if( bReturnRawString ) {
|
|
//
|
|
// Yes, caller wants the size prefix. Copy prefix to buffer to return.
|
|
//
|
|
*(deviceIdBuffer+0) = idSizeBuffer[0];
|
|
*(deviceIdBuffer+1) = idSizeBuffer[1];
|
|
readPtr = deviceIdBuffer + 2;
|
|
} else {
|
|
//
|
|
// No, discard size prefix
|
|
//
|
|
readPtr = deviceIdBuffer;
|
|
}
|
|
|
|
|
|
//
|
|
// Read remainder of DeviceId from device
|
|
//
|
|
bytesToRead = deviceIdSize - 2; // already have the 2 size bytes
|
|
Status = ParNibbleModeRead(Extension, readPtr, bytesToRead, &bytesRead);
|
|
|
|
|
|
ParTerminateNibbleMode( Extension );
|
|
|
|
if( !NT_SUCCESS(Status) || (bytesRead < 1) ) {
|
|
ExFreePool( deviceIdBuffer );
|
|
goto targetContinue;
|
|
}
|
|
|
|
if ( strstr ( readPtr, "MFG:" ) == 0 ) {
|
|
ExFreePool( deviceIdBuffer ) ;
|
|
goto targetContinue;
|
|
}
|
|
|
|
deviceIdSize = (USHORT)strlen(deviceIdBuffer);
|
|
*DeviceIdSize = deviceIdSize;
|
|
if( (NULL != CallerDeviceIdBuffer) && (CallerBufferSize >= deviceIdSize) ) {
|
|
// caller supplied buffer is large enough, use it
|
|
RtlZeroMemory( CallerDeviceIdBuffer, CallerBufferSize );
|
|
RtlCopyMemory( CallerDeviceIdBuffer, deviceIdBuffer, deviceIdSize );
|
|
ExFreePool( deviceIdBuffer );
|
|
return CallerDeviceIdBuffer;
|
|
}
|
|
return deviceIdBuffer;
|
|
|
|
targetContinue:
|
|
|
|
// Builds later than 2080 fail to terminate in Compatibility mode.
|
|
//IEEETerminate1284Mode fails after Event 23 (Extension->CurrentEvent equals 23)
|
|
// with earlier 1284 draft.
|
|
//So, we terminate the adapter ourselves, in some cases may be redundant.
|
|
P5WritePortUchar(Controller + DCR_OFFSET, DCR_SELECT_IN | DCR_NOT_INIT);
|
|
KeStallExecutionProcessor( 5 );
|
|
P5WritePortUchar(Controller + DCR_OFFSET, DCR_SELECT_IN | DCR_NOT_INIT | DCR_AUTOFEED);
|
|
KeStallExecutionProcessor( 5 );
|
|
P5WritePortUchar(Controller + DCR_OFFSET, DCR_SELECT_IN | DCR_NOT_INIT);
|
|
|
|
ParStlAssertIdleState ( Extension ) ;
|
|
|
|
deviceIdBuffer = ParBuildStlDeviceId(Extension, bReturnRawString);
|
|
|
|
if( !deviceIdBuffer ) {
|
|
return NULL;
|
|
}
|
|
|
|
deviceIdSize = (USHORT)strlen(deviceIdBuffer);
|
|
*DeviceIdSize = deviceIdSize;
|
|
if( (NULL != CallerDeviceIdBuffer) && (CallerBufferSize >= deviceIdSize) ) {
|
|
// caller supplied buffer is large enough, use it
|
|
RtlZeroMemory( CallerDeviceIdBuffer, CallerBufferSize );
|
|
RtlCopyMemory( CallerDeviceIdBuffer, deviceIdBuffer, deviceIdSize );
|
|
ExFreePool( deviceIdBuffer );
|
|
return CallerDeviceIdBuffer;
|
|
}
|
|
return deviceIdBuffer;
|
|
}
|
|
|
|
PCHAR
|
|
ParBuildStlDeviceId(
|
|
IN PPDO_EXTENSION Extension,
|
|
IN BOOLEAN bReturnRawString
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This function detects the type of shuttle adapter and
|
|
builds an appropriate device id string and returns it
|
|
back.
|
|
|
|
It is assumed that the device is already in the
|
|
selected state.
|
|
|
|
Arguments:
|
|
|
|
Nil.
|
|
|
|
|
|
Return Value:
|
|
|
|
Pointer to the read/built device ID string, if successful.
|
|
|
|
NULL otherwise.
|
|
|
|
--*/
|
|
{
|
|
ULONG size = 0x80 ;
|
|
PCHAR id ;
|
|
STL_DEVICE_TYPE dtDeviceType ;
|
|
CHAR szDeviceIdString[0x80] ;
|
|
CHAR szVidPidString[] = "MFG:VID_04E6;CLS:SCSIADAPTER;MDL:PID_" ;
|
|
CHAR szVidPidStringScan[] = "MFG:VID_04E6;CLS:IMAGE;MDL:PID_" ;
|
|
|
|
RtlZeroMemory(szDeviceIdString, sizeof(szDeviceIdString));
|
|
|
|
// identify the shuttle adapter type by calling
|
|
// Devtype routines here and build an unique id
|
|
// string here.
|
|
dtDeviceType = ParStlGetDeviceType(Extension, DEVICE_TYPE_AUTO_DETECT);
|
|
|
|
switch ( dtDeviceType ) {
|
|
|
|
case DEVICE_TYPE_NONE :
|
|
return NULL;
|
|
|
|
case DEVICE_TYPE_EPP_DEVICE :
|
|
dtDeviceType |= 0x80000000 ;
|
|
sprintf(szDeviceIdString, "%s%08X;", szVidPidStringScan, dtDeviceType);
|
|
break;
|
|
|
|
default :
|
|
dtDeviceType |= 0x80000000 ;
|
|
sprintf(szDeviceIdString, "%s%08X;", szVidPidString, dtDeviceType);
|
|
break;
|
|
|
|
}
|
|
|
|
id = ExAllocatePool(PagedPool, size);
|
|
if( id ) {
|
|
RtlZeroMemory( id, size );
|
|
if( bReturnRawString ) {
|
|
//
|
|
// Yes, caller wants the size prefix. Copy prefix to buffer to return.
|
|
//
|
|
*(id+0) = 0;
|
|
*(id+1) = 0x80-2;
|
|
RtlCopyMemory( id+2, szDeviceIdString, size - sizeof(NULL) - 2 );
|
|
} else {
|
|
RtlCopyMemory( id, szDeviceIdString, size - sizeof(NULL) );
|
|
}
|
|
return id;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
STL_DEVICE_TYPE __cdecl
|
|
ParStlGetDeviceType (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN int nPreferredDeviceType
|
|
)
|
|
{
|
|
STL_DEVICE_TYPE dtDeviceType = DEVICE_TYPE_NONE ;
|
|
ATAPIPARAMS atapiParams ;
|
|
int i;
|
|
|
|
for ( i=0 ; i<ATAPI_MAX_DRIVES ; i++){
|
|
atapiParams.dsDeviceState[i] = DEVICE_STATE_INVALID ;
|
|
}
|
|
|
|
do
|
|
{
|
|
if ( TRUE == ParStlCheckIfScsiDevice(Extension))
|
|
{
|
|
// SCSI Device identified.
|
|
dtDeviceType |= DEVICE_TYPE_SCSI_BIT ;
|
|
break ;
|
|
}
|
|
|
|
if ( TRUE == NeedToEnableIoPads () )
|
|
{
|
|
// in some adapters, the IO pads need to be enabled, before
|
|
// doing the device detection
|
|
ParStlWriteReg( Extension, CONFIG_INDEX_REGISTER, EP1284_POWER_CONTROL_REG );
|
|
ParStlWriteReg( Extension, CONFIG_DATA_REGISTER, ENABLE_IOPADS );
|
|
}
|
|
|
|
if ( TRUE == IsImpactSPresent() )
|
|
{
|
|
// as impact-s has been identified, the device type identification
|
|
// can be done through personality configuration info
|
|
dtDeviceType |= ParStlGetImpactSDeviceType( Extension, &atapiParams, nPreferredDeviceType );
|
|
break;
|
|
}
|
|
|
|
if ( TRUE == IsImpactPresent() )
|
|
{
|
|
// as impact has been identified, the device type identification
|
|
// can be done through personality configuration info
|
|
dtDeviceType |= ParStlGetImpactDeviceType( Extension, &atapiParams, nPreferredDeviceType );
|
|
break;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfEppDevice(Extension))
|
|
{
|
|
// epp device identified
|
|
if ( TRUE == ParStlCheckUMAXScannerPresence(Extension) ) {
|
|
// umax identified
|
|
dtDeviceType |= DEVICE_TYPE_UMAX_BIT;
|
|
break;
|
|
}
|
|
if ( TRUE == ParStlCheckAvisionScannerPresence(Extension) ) {
|
|
// avision identified
|
|
dtDeviceType |= DEVICE_TYPE_AVISION_BIT;
|
|
break;
|
|
}
|
|
// generice scanner peripheral detected
|
|
dtDeviceType |= DEVICE_TYPE_EPP_DEVICE_BIT;
|
|
break;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfSSFDC(Extension))
|
|
{
|
|
// SSFDC identified
|
|
dtDeviceType |= DEVICE_TYPE_SSFDC_BIT;
|
|
break;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfMMC(Extension,&atapiParams))
|
|
{
|
|
// MMC device identified
|
|
dtDeviceType |= DEVICE_TYPE_MMC_BIT;
|
|
break;
|
|
}
|
|
|
|
// set the 16 bit mode of the adapter
|
|
ParStlSet16BitOperation(Extension) ;
|
|
|
|
if (TRUE == ParStlCheckIfAtaAtapiDevice(Extension, &atapiParams))
|
|
{
|
|
// necessary but not sufficient condition has passed
|
|
// proceed for sufficency checks
|
|
if (TRUE == ParStlCheckIfAtapiDevice(Extension, &atapiParams))
|
|
{
|
|
// sub-classify between HiFD and LS-120.
|
|
if ( TRUE == ParStlCheckIfLS120(Extension))
|
|
{
|
|
// LS Engine is found.
|
|
dtDeviceType |= DEVICE_TYPE_LS120_BIT ;
|
|
break ;
|
|
}
|
|
// Check for HiFD.
|
|
if (TRUE == ParStlCheckIfHiFD(Extension))
|
|
{
|
|
// HiFD device identified.
|
|
dtDeviceType |= DEVICE_TYPE_HIFD_BIT ;
|
|
break ;
|
|
}
|
|
// OtherWise, it is a generic ATAPI device.
|
|
dtDeviceType |= DEVICE_TYPE_ATAPI_BIT;
|
|
break ;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfAtaDevice(Extension, &atapiParams))
|
|
{
|
|
// ata identified
|
|
dtDeviceType |= DEVICE_TYPE_ATA_BIT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfDazzle(Extension))
|
|
{
|
|
// dazzle identified
|
|
dtDeviceType |= DEVICE_TYPE_DAZZLE_BIT;
|
|
break;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfFlash(Extension))
|
|
{
|
|
// flash identified
|
|
dtDeviceType |= DEVICE_TYPE_FLASH_BIT;
|
|
break;
|
|
}
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return dtDeviceType & nPreferredDeviceType ;
|
|
}
|
|
|
|
VOID
|
|
ParStlWaitForMicroSeconds (
|
|
int nMicroSecondsToWait
|
|
) {
|
|
KeStallExecutionProcessor ( nMicroSecondsToWait ) ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckCardInsertionStatus (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR byPowerRegData ;
|
|
do
|
|
{
|
|
if ( FALSE == IsEp1284Present() )
|
|
{
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER , 0x0F ) ;
|
|
byPowerRegData = (UCHAR) ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) ;
|
|
|
|
if ( byPowerRegData & SHTL_CARD_INSERTED_STATUS )
|
|
{
|
|
// as the card not inserted status is reported, it is ATA / ATAPI
|
|
// possibly, not flash. hence, we break here.
|
|
break ;
|
|
}
|
|
|
|
bReturnValue = TRUE ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return ( bReturnValue ) ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlSelectAdapterSocket (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN int nSocketNumber
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR bySCRControlReg , byISAControlReg ;
|
|
|
|
do
|
|
{
|
|
if ( ( nSocketNumber != SOCKET_0 ) &&
|
|
( nSocketNumber != SOCKET_1 ) )
|
|
{
|
|
// as an invalid socket number is provided, we
|
|
// break here with error.
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg(Extension, CONFIG_INDEX_REGISTER , SOCKET_CONTROL_REGISTER ) ;
|
|
bySCRControlReg = (UCHAR) ParStlReadReg (Extension, CONFIG_DATA_REGISTER ) ;
|
|
|
|
ParStlWriteReg(Extension, CONFIG_INDEX_REGISTER , ISA_CONTROL_REGISTER ) ;
|
|
byISAControlReg = (UCHAR) ParStlReadReg (Extension, CONFIG_DATA_REGISTER ) ;
|
|
|
|
if ( SOCKET_1 == nSocketNumber )
|
|
{
|
|
bySCRControlReg |= (UCHAR)SOCKET_1 ;
|
|
bySCRControlReg |= (UCHAR)PERIPHERAL_RESET_1 ;
|
|
byISAControlReg &= ~(UCHAR)ISA_IO_SWAP ;
|
|
}
|
|
else
|
|
{
|
|
bySCRControlReg &= ~(UCHAR)SOCKET_1 ;
|
|
bySCRControlReg &= ~(UCHAR)PERIPHERAL_RESET_0 ;
|
|
}
|
|
|
|
ParStlWriteReg(Extension, CONFIG_INDEX_REGISTER , ISA_CONTROL_REGISTER ) ;
|
|
ParStlWriteReg(Extension, CONFIG_DATA_REGISTER , byISAControlReg ) ;
|
|
|
|
ParStlWriteReg(Extension, CONFIG_INDEX_REGISTER , SOCKET_CONTROL_REGISTER ) ;
|
|
ParStlWriteReg(Extension, CONFIG_DATA_REGISTER , bySCRControlReg ) ;
|
|
|
|
if ( SOCKET_1 == nSocketNumber )
|
|
{
|
|
// Wait for a few milliseconds to provide an optimal puse width
|
|
// for reset.
|
|
ParStlWaitForMicroSeconds(1000);
|
|
bySCRControlReg &= ~(UCHAR)PERIPHERAL_RESET_1 ;
|
|
}
|
|
else
|
|
{
|
|
bySCRControlReg &= ~(UCHAR)PERIPHERAL_RESET_0 ;
|
|
}
|
|
ParStlWriteReg(Extension, CONFIG_DATA_REGISTER , bySCRControlReg ) ;
|
|
|
|
bReturnValue = TRUE ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfAtaAtapiDevice (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
if ( TRUE == ParStlCheckCardInsertionStatus(Extension) )
|
|
{
|
|
// as the card insertion status is valid, its probably
|
|
// a flash
|
|
break ;
|
|
}
|
|
if ( FALSE == ParStlCheckDrivePresent(Extension, atapiParams) )
|
|
{
|
|
// as the ATA/ATAPI controller is not present, it cant be
|
|
// an ATA/ATAPI device
|
|
break ;
|
|
}
|
|
bReturnValue = TRUE;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfAtapiDevice (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
// return whatever ATAPI initialization module says
|
|
bReturnValue = ParStlAtapiInitialize(Extension, atapiParams) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfAtaDevice (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
// return whatever ATA initialization module says
|
|
bReturnValue = ParStlAtaInitialize(Extension, atapiParams) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckDrivePresent (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR byOrgCylHigh, byOrgCylLow ;
|
|
int nCurrentDrive = 0 , i ;
|
|
UCHAR nDrvHdArray[]={ATAPI_MASTER, ATAPI_SLAVE};
|
|
|
|
do
|
|
{
|
|
if ( atapiParams->dsDeviceState[nCurrentDrive] == DEVICE_STATE_VALID )
|
|
{
|
|
// this means that the MMC module had detected the presence
|
|
// of an ATA/ATAPI device. So, we make use of that and break out
|
|
bReturnValue = TRUE ;
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, nDrvHdArray[nCurrentDrive]);
|
|
|
|
// The Atapi Fuji MO drive is found to de-assert BSY and still
|
|
// does not respond to reg. r/w when configured as slave with no media.
|
|
// However, after a delay, it works ok.
|
|
if ( nCurrentDrive )
|
|
{
|
|
ParStlWaitForMicroSeconds ( DELAY_1SECOND ) ;
|
|
}
|
|
|
|
// this dummy write of 0 is to zero out a possible
|
|
// floating bus
|
|
for ( i = 0 ; i < 16 ; i++ )
|
|
{
|
|
ParStlWriteReg(Extension, CONFIG_INDEX_REGISTER, i) ;
|
|
if ( !( ParStlReadIoPort (Extension, ATA_TASK_STAT_REG ) & ATA_ST_BUSY ) )
|
|
{
|
|
break ;
|
|
}
|
|
}
|
|
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as the busy has been found permanently set, we check
|
|
// for the slave also
|
|
continue;
|
|
}
|
|
|
|
// as the drive head setup might have been performed in a busy state,
|
|
// we set it up again after busy clears.
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, nDrvHdArray[nCurrentDrive]);
|
|
|
|
if ( ( ParStlReadIoPort(Extension, ATA_DRVHD_REG) & ATAPI_SLAVE ) != nDrvHdArray[nCurrentDrive] )
|
|
{
|
|
continue ;
|
|
}
|
|
|
|
// read original contents of the cyl ATA high/low registers
|
|
byOrgCylLow = (UCHAR) ParStlReadIoPort(Extension, ATA_CYLLOW_REG);
|
|
byOrgCylHigh = (UCHAR) ParStlReadIoPort(Extension, ATA_CYLHIGH_REG);
|
|
|
|
// write a test pattern in the cyl ATA high/low registers
|
|
ParStlWriteIoPort(Extension, ATA_CYLLOW_REG, TEST_PATTERN_1);
|
|
ParStlWriteIoPort(Extension, ATA_CYLHIGH_REG, TEST_PATTERN_2);
|
|
|
|
// read the test pattern in the cyl ATA high/low registers
|
|
if ( ( TEST_PATTERN_1 != ParStlReadIoPort(Extension, ATA_CYLLOW_REG) ) ||\
|
|
( TEST_PATTERN_2 != ParStlReadIoPort(Extension, ATA_CYLHIGH_REG) ) )
|
|
{
|
|
// as we were not able to read back the written values
|
|
// we break out here, indicating the absence of the device
|
|
continue ;
|
|
}
|
|
|
|
// write back original contents in the cyl ATA high/low registers
|
|
ParStlWriteIoPort(Extension, ATA_CYLLOW_REG, byOrgCylLow);
|
|
ParStlWriteIoPort(Extension, ATA_CYLHIGH_REG, byOrgCylHigh);
|
|
bReturnValue = TRUE ;
|
|
atapiParams->dsDeviceState[nCurrentDrive] = DEVICE_STATE_VALID ;
|
|
}
|
|
while ( ++nCurrentDrive < ATAPI_MAX_DRIVES );
|
|
|
|
// reset back to master state, as check drive present
|
|
// will be called successively
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_MASTER);
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlAtapiInitialize (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
int nCurrentDrive = 0, i ;
|
|
UCHAR byTempValue ;
|
|
UCHAR chAtapiIdentifyBuffer [ ATAPI_IDENTIFY_LENGTH ] ;
|
|
do
|
|
{
|
|
if ( DEVICE_STATE_VALID != atapiParams->dsDeviceState[nCurrentDrive] )
|
|
{
|
|
// the device is absent
|
|
continue ;
|
|
}
|
|
|
|
if ( nCurrentDrive )
|
|
{
|
|
// as it is the next drive, choose the slave
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_SLAVE);
|
|
}
|
|
else
|
|
{
|
|
// choose the master
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_MASTER);
|
|
}
|
|
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as busy has permanently set after master/slave, we fail
|
|
// the detection process
|
|
continue ;
|
|
}
|
|
|
|
// check if the ATAPI signature is present in the cyl hi/lo
|
|
// registers. If present, it is definitely an ATAPI device
|
|
if ( ( ParStlReadIoPort(Extension, ATA_CYLLOW_REG) == ATAPI_SIGN_LOW ) &&\
|
|
( ParStlReadIoPort(Extension, ATA_CYLHIGH_REG) == ATAPI_SIGN_HI ) )
|
|
{
|
|
// as ATAPI signature is present, it is ATAPI type
|
|
bReturnValue = TRUE ;
|
|
|
|
// set this flag so that, ATA initialize will skip this
|
|
// target
|
|
atapiParams->dsDeviceState[nCurrentDrive] = DEVICE_STATE_ATAPI ;
|
|
// for Impact, since Ls120 engine is always present,
|
|
// issuing ATAPI_IDENTIFY is mandatory.
|
|
if ( !IsImpactPresent())
|
|
{
|
|
continue ;
|
|
}
|
|
}
|
|
|
|
// issue the ata nop command
|
|
ParStlWriteIoPort(Extension, ATA_TASK_CMD_REG, ATA_NOP_COMMAND) ;
|
|
|
|
if ( FALSE == ParStlWaitForIrq(Extension) )
|
|
{
|
|
// ATAPI devices are expected to give interrrupt on NOP command
|
|
// mandatorily.
|
|
continue ;
|
|
}
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as busy has permanently set, we proceed with the next
|
|
// drive
|
|
continue ;
|
|
}
|
|
|
|
// issue the atapi packet command
|
|
ParStlWriteIoPort(Extension, ATA_TASK_CMD_REG, ATAPI_IDENTIFY) ;
|
|
|
|
if ( FALSE == ParStlWaitForIrq(Extension) )
|
|
{
|
|
// ATAPI devices are expected to give interrrupt on 0xA1 command
|
|
// mandatorily.
|
|
continue ;
|
|
}
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as busy has permanently set, we proceed with the next
|
|
// drive
|
|
continue ;
|
|
}
|
|
|
|
byTempValue = (UCHAR) ParStlReadIoPort ( Extension, ATA_TASK_STAT_REG ) ;
|
|
if ( ! ( byTempValue & ATA_ST_ERROR ) )
|
|
{
|
|
// as the drive has passed the packet command, this is an atapi
|
|
// drive
|
|
// Wait for DRQ to be sit, as some drives are known
|
|
// to remove busy too early and set DRQ after some time.
|
|
if ( FALSE == ParStlWaitForDrq(Extension) )
|
|
{
|
|
// as there was no DRQ set, we proceed with the next
|
|
// drive
|
|
continue ;
|
|
}
|
|
bReturnValue = TRUE ;
|
|
// as the DRQ is still asserted, quell it, as certain ATA/ATAPI-4
|
|
// spec. dictates it so
|
|
// There is a need to check the device identifier returned in the
|
|
// ATAPI Identify cmd. to determine the presence of Ls-120.
|
|
ParStlReceiveData ( Extension, chAtapiIdentifyBuffer , SKIP_MEMORY_ADDRESS , ATAPI_IDENTIFY_LENGTH ) ;
|
|
for ( i = 0 ; i < ATAPI_NAME_LENGTH ; i++ )
|
|
{
|
|
atapiParams->szAtapiNameString[i] = chAtapiIdentifyBuffer[ ATAPI_NAME_OFFSET + i ] ;
|
|
}
|
|
|
|
// set this flag so that, ATA initialize will skip this
|
|
// target
|
|
atapiParams->dsDeviceState[nCurrentDrive] = DEVICE_STATE_ATAPI ;
|
|
}
|
|
}
|
|
while ( ++nCurrentDrive < ATAPI_MAX_DRIVES );
|
|
|
|
// reset back to master state, as check drive present
|
|
// will be called successively
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_MASTER);
|
|
|
|
return ( bReturnValue ) ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlAtaInitialize (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR byTempValue ;
|
|
int nCurrentDrive = 0 ;
|
|
do
|
|
{
|
|
if ( DEVICE_STATE_VALID != atapiParams->dsDeviceState[nCurrentDrive] )
|
|
{
|
|
// atapi module has marked its presence or the device is absent
|
|
continue ;
|
|
}
|
|
|
|
// select the possibly present device
|
|
if ( nCurrentDrive )
|
|
{
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_SLAVE ) ;
|
|
}
|
|
else
|
|
{
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_MASTER ) ;
|
|
}
|
|
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as busy has permanently set after master/slave, we fail the
|
|
// detection process
|
|
continue ;
|
|
}
|
|
|
|
// issue the ata NOP command
|
|
ParStlWriteIoPort(Extension, ATA_TASK_CMD_REG, ATA_NOP_COMMAND) ;
|
|
|
|
if ( FALSE == ParStlWaitForBusyToClear(Extension, ATA_TASK_STAT_REG) )
|
|
{
|
|
// as busy has permanently set, we fail the detection process
|
|
continue ;
|
|
}
|
|
|
|
byTempValue = (UCHAR) ParStlReadIoPort ( Extension, ATA_TASK_STAT_REG ) ;
|
|
if ( ( byTempValue != BUS_LINES_IN_HIGH_IMPEDANCE ) &&\
|
|
( byTempValue & ATA_ST_ERROR ) )
|
|
{
|
|
// as the bus is not reading 0xFF and the status register
|
|
// indicates an error, this is likely to be an ATA device
|
|
if ( ATA_ERROR_ABORTED_COMMAND == ( (UCHAR) ParStlReadIoPort ( Extension, ATA_ERROR_REG ) & 0x0F ) )
|
|
{
|
|
// as the error register, contains the ata aborted error
|
|
// in response to our ATA NOP command, we conclude that
|
|
// it is ATA! as it is already known that it is not ATAPI
|
|
bReturnValue = TRUE ;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
while ( ++nCurrentDrive < ATAPI_MAX_DRIVES );
|
|
|
|
// reset back to master state, as check drive present
|
|
// will be called successively
|
|
ParStlWriteIoPort(Extension, ATA_DRVHD_REG, ATAPI_MASTER);
|
|
|
|
return ( bReturnValue ) ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlWaitForBusyToClear (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN int nRegisterToWaitOn
|
|
)
|
|
{
|
|
// The default timeout increased to 10secs as Fujitsu MO is found to set
|
|
// BUSY for >5secs for 0xA1 command.
|
|
int nMaxRetrials = MAX_RETRIES_FOR_10_SECS ;
|
|
BOOLEAN bRetVal = FALSE ;
|
|
|
|
while ( nMaxRetrials-- )
|
|
{
|
|
// the following service will be implemented by the caller
|
|
// the driver can use the STLMPORT service.
|
|
ParStlWaitForMicroSeconds ( DELAY_1MILLISECONDS ) ;
|
|
if ( ! ( ParStlReadIoPort ( Extension, nRegisterToWaitOn ) & ATA_ST_BUSY ) )
|
|
{
|
|
// as busy has cleared, we return clear here
|
|
bRetVal = TRUE ;
|
|
break ;
|
|
}
|
|
}
|
|
return bRetVal ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlWaitForDrq (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
int nMaxRetrials = MAX_RETRIES_FOR_5_SECS ;
|
|
BOOLEAN bRetVal = FALSE ;
|
|
while ( nMaxRetrials-- )
|
|
{
|
|
if ( ParStlReadIoPort ( Extension, ATA_TASK_STAT_REG ) & ATA_ST_DRQ )
|
|
{
|
|
// as busy has cleared, we return clear here
|
|
bRetVal = TRUE ;
|
|
break ;
|
|
}
|
|
// the following service will be implemented by the caller
|
|
// the driver can use the STLMPORT service.
|
|
ParStlWaitForMicroSeconds ( DELAY_1MILLISECONDS ) ;
|
|
}
|
|
return bRetVal ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlWaitForIrq (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
int nMaxRetrials = MAX_RETRIES_FOR_10_SECS ;
|
|
BOOLEAN bRetVal = FALSE ;
|
|
while ( nMaxRetrials-- )
|
|
{
|
|
if ( ParStlReadReg ( Extension, EP1284_TRANSFER_CONTROL_REG ) & XFER_IRQ_BIT )
|
|
{
|
|
// as Irq has asserted, we return true here
|
|
bRetVal = TRUE ;
|
|
break ;
|
|
}
|
|
ParStlWaitForMicroSeconds ( DELAY_1MILLISECONDS ) ;
|
|
}
|
|
return bRetVal ;
|
|
}
|
|
|
|
VOID
|
|
ParStlSet16BitOperation (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
int nModeReg ;
|
|
|
|
nModeReg = ParStlReadReg ( Extension, EP1284_MODE_REGISTER ) ;
|
|
|
|
if ( 0 == ( nModeReg & EP1284_ENABLE_16BIT ) )
|
|
{
|
|
// as the bit is not already set, this needs to be set now
|
|
ParStlWriteReg ( Extension, EP1284_MODE_REGISTER, nModeReg | EP1284_ENABLE_16BIT ) ;
|
|
}
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfEppDevice (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
if ( FALSE == IsEp1284Present() )
|
|
{
|
|
// as EPPDEVs live only on EP1284 we break here
|
|
break;
|
|
}
|
|
|
|
bReturnValue = ParStlCheckPersonalityForEppDevice(Extension) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckPersonalityForEppDevice (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER, EP1284_PERSONALITY_REG ) ;
|
|
if ( EPPDEV_SIGN == ( ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) & PERSONALITY_MASK ) )
|
|
{
|
|
// as the EPPDEV sign is found in the personality
|
|
// we break with success here
|
|
bReturnValue = TRUE ;
|
|
}
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfFlash (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
|
|
do
|
|
{
|
|
if ( !IsEp1284Present() && !IsImpactPresent() && !IsEpatPlusPresent() )
|
|
{
|
|
// Check the sign-on version checks for the existence of Shuttle
|
|
// adapter. If nothing is found, we break here.
|
|
break ;
|
|
}
|
|
|
|
// Perform a ATA-16bit check just in case, it turns out to be something else
|
|
bReturnValue = ParStlCheckFlashPersonality(Extension) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckFlashPersonality (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
|
|
if ( IsEp1284Present() )
|
|
{
|
|
// as the personality configuration check only works for
|
|
// Ep1284, confim its presence before the actual check.
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER, EP1284_PERSONALITY_REG ) ;
|
|
if ( FLASH_SIGN == ( ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) & FLASH_PERSONALITY_MASK ) )
|
|
{
|
|
// as the flash sign ATA-16bit device is found in the personality
|
|
// we break with success here
|
|
bReturnValue = TRUE ;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// always return true, if a shuttle adapter other than ep1284 is
|
|
// identified and assume it might be flash!
|
|
bReturnValue = TRUE ;
|
|
}
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfDazzle (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR ucSignature ;
|
|
|
|
do
|
|
{
|
|
if ( !IsEp1284Present() )
|
|
{
|
|
// Check for EP1284 presence, as Dazzle is ONLY on EP1284
|
|
// adapters. If the adapter is not EP1284, we break.
|
|
break ;
|
|
}
|
|
|
|
// Check whether any card insertion is detected, to eliminate
|
|
// possible flash adapters with the card in
|
|
if ( TRUE == ParStlCheckCardInsertionStatus( Extension ) ) {
|
|
break ;
|
|
}
|
|
|
|
// code to read the pulled up pattern present on dazzle
|
|
// adapters.
|
|
ParStlWriteReg( Extension, DAZ_SELECT_BLK, DAZ_BLK0 ) ;
|
|
ucSignature = (UCHAR) ParStlReadReg( Extension, DAZ_REG1 ) ;
|
|
|
|
if ( ( ucSignature == DAZ_CONFIGURED ) ||\
|
|
( ucSignature == DAZ_NOT_CONFIGURED ) ) {
|
|
// the pulled up pattern generally found ONLY
|
|
// on the DAZZLE adapter is found. So, we
|
|
// conclude that it is a Dazzle adapter
|
|
bReturnValue = TRUE ;
|
|
}
|
|
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfHiFD (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
|
|
do
|
|
{
|
|
if ( FALSE == ParStlSelectAdapterSocket(Extension, SOCKET_1) )
|
|
{
|
|
// as the socket 1 selection failed,
|
|
// we break out here.
|
|
break ;
|
|
}
|
|
|
|
// check for the ready status of the floppy controller,
|
|
// after clearing the reset bit of the floppy controller.
|
|
|
|
if ( FALSE == ParStlHIFDCheckIfControllerReady(Extension) )
|
|
{
|
|
// since the controller didnot wake up after the
|
|
// reset pin was asserted, we break here.
|
|
|
|
break ;
|
|
}
|
|
|
|
if ( FALSE == ParStlHIFDCheckSMCController(Extension) )
|
|
{
|
|
// as the SMC ID retrieval failed,
|
|
// we break out here.
|
|
break ;
|
|
}
|
|
|
|
bReturnValue = TRUE ;
|
|
|
|
}
|
|
while ( FALSE ) ;
|
|
// Reset the socket to zero.
|
|
ParStlSelectAdapterSocket(Extension, SOCKET_0);
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlHIFDCheckIfControllerReady (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR bySCRControlReg ;
|
|
do
|
|
{
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER , SOCKET_CONTROL_REGISTER ) ;
|
|
bySCRControlReg = (UCHAR) ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) ;
|
|
bySCRControlReg |= (UCHAR)PERIPHERAL_RESET_1 ;
|
|
ParStlWriteReg ( Extension, CONFIG_DATA_REGISTER , bySCRControlReg ) ;
|
|
ParStlWaitForMicroSeconds ( HIFD_WAIT_10_MILLISEC ) ;
|
|
|
|
ParStlWriteIoPort ( Extension, HIFD_DIGITAL_OUTPUT_REGISTER ,
|
|
0x00 ) ;
|
|
ParStlWaitForMicroSeconds ( HIFD_WAIT_1_MILLISEC ) ;
|
|
|
|
ParStlWriteIoPort ( Extension, HIFD_DIGITAL_OUTPUT_REGISTER ,
|
|
HIFD_DOR_RESET_BIT | HIFD_ENABLE_DMA_BIT ) ;
|
|
ParStlWaitForMicroSeconds ( HIFD_WAIT_10_MILLISEC ) ;
|
|
|
|
if ( HIFD_CONTROLLER_READY_STATUS == ParStlReadIoPort ( Extension, HIFD_MAIN_STATUS_REGISTER ) )
|
|
{
|
|
bReturnValue = TRUE ;
|
|
}
|
|
|
|
bySCRControlReg &= ~(UCHAR)PERIPHERAL_RESET_1 ;
|
|
ParStlWriteReg ( Extension, CONFIG_DATA_REGISTER , bySCRControlReg ) ;
|
|
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlHIFDCheckSMCController (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
do
|
|
{
|
|
ParStlWriteIoPort ( Extension, HIFD_STATUS_REGISTER_A , HIFD_COMMAND_TO_CONTROLLER ) ;
|
|
ParStlWriteIoPort ( Extension, HIFD_STATUS_REGISTER_A , HIFD_COMMAND_TO_CONTROLLER ) ;
|
|
ParStlWriteIoPort ( Extension, HIFD_STATUS_REGISTER_A , HIFD_CTL_REG_0D ) ;
|
|
if ( SMC_DEVICE_ID == ParStlReadIoPort ( Extension, HIFD_STATUS_REGISTER_B ) )
|
|
{
|
|
bReturnValue = TRUE ;
|
|
ParStlWriteIoPort ( Extension, HIFD_STATUS_REGISTER_A , HIFD_CTL_REG_03 ) ;
|
|
ParStlWriteIoPort ( Extension, HIFD_STATUS_REGISTER_B , SMC_ENABLE_MODE2 ) ;
|
|
}
|
|
ParStlWriteReg ( Extension, HIFD_STATUS_REGISTER_A , HIFD_TERMINATE_SEQUENCE ) ;
|
|
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
STL_DEVICE_TYPE
|
|
ParStlGetImpactDeviceType (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams,
|
|
IN int nPreferredDeviceType
|
|
)
|
|
{
|
|
IMPACT_DEVICE_TYPE idtImpactDeviceType ;
|
|
STL_DEVICE_TYPE dtDeviceType = DEVICE_TYPE_NONE ;
|
|
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER, IMPACT_PERSONALITY_REG ) ;
|
|
idtImpactDeviceType = ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) >> 4 ;
|
|
|
|
switch ( idtImpactDeviceType )
|
|
{
|
|
case IMPACT_DEVICE_TYPE_ATA_ATAPI:
|
|
|
|
// set the 16 bit mode of the adapter
|
|
ParStlSet16BitOperation(Extension) ;
|
|
|
|
if (TRUE == ParStlCheckIfAtaAtapiDevice(Extension,atapiParams))
|
|
{
|
|
// necessary but not sufficient condition has passed
|
|
// proceed for sufficency checks
|
|
if (TRUE == ParStlCheckIfAtapiDevice(Extension,atapiParams))
|
|
{
|
|
// atapi identified
|
|
// Check for Impact LS-120 device
|
|
if ( TRUE == ParStlCheckIfImpactLS120(Extension, atapiParams))
|
|
{
|
|
dtDeviceType |= DEVICE_TYPE_LS120_BIT ;
|
|
break ;
|
|
}
|
|
dtDeviceType |= DEVICE_TYPE_ATAPI_BIT;
|
|
break ;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfAtaDevice(Extension, atapiParams))
|
|
{
|
|
// ata identified
|
|
dtDeviceType |= DEVICE_TYPE_ATA_BIT;
|
|
break;
|
|
}
|
|
}
|
|
break ;
|
|
|
|
case IMPACT_DEVICE_TYPE_CF:
|
|
dtDeviceType |= DEVICE_TYPE_FLASH_BIT;
|
|
break ;
|
|
|
|
case IMPACT_DEVICE_TYPE_PCMCIA_CF:
|
|
dtDeviceType |= DEVICE_TYPE_PCMCIA_CF_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_SSFDC:
|
|
dtDeviceType |= DEVICE_TYPE_SSFDC_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_MMC:
|
|
dtDeviceType |= DEVICE_TYPE_MMC_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_HIFD:
|
|
dtDeviceType |= DEVICE_TYPE_HIFD_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_SOUND:
|
|
dtDeviceType |= DEVICE_TYPE_SOUND_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_FLP_TAPE_DSK:
|
|
dtDeviceType |= DEVICE_TYPE_FLP_TAPE_DSK_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_ATA_ATAPI_8BIT:
|
|
dtDeviceType |= DEVICE_TYPE_ATA_ATAPI_8BIT_BIT ;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return dtDeviceType & nPreferredDeviceType ;
|
|
}
|
|
|
|
STL_DEVICE_TYPE
|
|
ParStlGetImpactSDeviceType (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams,
|
|
IN int nPreferredDeviceType
|
|
)
|
|
{
|
|
IMPACT_DEVICE_TYPE idtImpactDeviceType ;
|
|
IMPACT_DEVICE_TYPE idtImpactSDeviceType ;
|
|
STL_DEVICE_TYPE dtDeviceType = DEVICE_TYPE_NONE ;
|
|
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER, IMPACT_PERSONALITY_REG ) ;
|
|
idtImpactDeviceType = ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) >> 4 ;
|
|
|
|
switch ( idtImpactDeviceType )
|
|
{
|
|
case IMPACT_DEVICE_TYPE_ATA_ATAPI:
|
|
|
|
// set the 16 bit mode of the adapter
|
|
ParStlSet16BitOperation(Extension) ;
|
|
|
|
if (TRUE == ParStlCheckIfAtaAtapiDevice(Extension,atapiParams))
|
|
{
|
|
// necessary but not sufficient condition has passed
|
|
// proceed for sufficency checks
|
|
if (TRUE == ParStlCheckIfAtapiDevice(Extension,atapiParams))
|
|
{
|
|
// atapi identified
|
|
dtDeviceType |= DEVICE_TYPE_ATAPI_BIT;
|
|
break ;
|
|
}
|
|
|
|
if (TRUE == ParStlCheckIfAtaDevice(Extension,atapiParams))
|
|
{
|
|
// ata identified
|
|
dtDeviceType |= DEVICE_TYPE_ATA_BIT;
|
|
break;
|
|
}
|
|
}
|
|
break ;
|
|
|
|
case IMPACT_DEVICE_TYPE_CF:
|
|
dtDeviceType |= DEVICE_TYPE_FLASH_BIT;
|
|
break ;
|
|
|
|
case IMPACT_DEVICE_TYPE_PCMCIA_CF:
|
|
dtDeviceType |= DEVICE_TYPE_PCMCIA_CF_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_SSFDC:
|
|
dtDeviceType |= DEVICE_TYPE_SSFDC_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_MMC:
|
|
dtDeviceType |= DEVICE_TYPE_MMC_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_HIFD:
|
|
dtDeviceType |= DEVICE_TYPE_HIFD_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_SOUND:
|
|
dtDeviceType |= DEVICE_TYPE_SOUND_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_FLP_TAPE_DSK:
|
|
dtDeviceType |= DEVICE_TYPE_FLP_TAPE_DSK_BIT ;
|
|
break;
|
|
|
|
case IMPACT_DEVICE_TYPE_ATA_ATAPI_8BIT:
|
|
dtDeviceType |= DEVICE_TYPE_ATA_ATAPI_8BIT_BIT ;
|
|
break;
|
|
|
|
case IMPACTS_EXT_PERSONALITY_PRESENT:
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER, IMPACTS_EXT_PERSONALITY_XREG ) ;
|
|
idtImpactSDeviceType = ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) ;
|
|
dtDeviceType = DEVICE_TYPE_EXT_HWDETECT ;
|
|
dtDeviceType |= idtImpactSDeviceType ;
|
|
break ;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return dtDeviceType & nPreferredDeviceType ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfLS120 (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
if ( FALSE == ParStlSelectAdapterSocket(Extension, SOCKET_1) )
|
|
{
|
|
// as the socket 1 selection failed,
|
|
// we break out here.
|
|
break ;
|
|
}
|
|
|
|
// check for engine version.
|
|
|
|
if ( LS120_ENGINE_VERSION == ParStlReadIoPort( Extension, LS120_ENGINE_VERSION_REGISTER ) )
|
|
{
|
|
// if the ls120 engine version is correct, we have
|
|
// found LS120.
|
|
|
|
bReturnValue = TRUE ;
|
|
}
|
|
|
|
// Reset the socket to zero.
|
|
ParStlSelectAdapterSocket ( Extension, SOCKET_0 ) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfImpactLS120 (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
BOOLEAN bLs120NameFound= TRUE ;
|
|
char chLs120Name[] = "HU DlFpoyp";
|
|
char *pszAtapiName = atapiParams->szAtapiNameString ;
|
|
int i , nMemoryOnBoard ;
|
|
|
|
do
|
|
{
|
|
for ( i = 0 ;i < sizeof(chLs120Name)-1 ; i++ )
|
|
{
|
|
if ( pszAtapiName[i] != chLs120Name[i] )
|
|
{
|
|
bLs120NameFound = FALSE ;
|
|
break ;
|
|
}
|
|
}
|
|
if ( TRUE != bLs120NameFound )
|
|
{
|
|
// as LS-120 name string is not found, we conclude that it is
|
|
// not LS-120
|
|
break ;
|
|
}
|
|
nMemoryOnBoard = ParStlGetMemorySize(Extension) ;
|
|
if ( ( !IsShtlError ( nMemoryOnBoard ) ) && \
|
|
( nMemoryOnBoard ) )
|
|
{
|
|
// there is memory on-board.
|
|
// hence, we return ls120 here
|
|
bReturnValue = TRUE ;
|
|
break ;
|
|
}
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfMMC (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN OUT PATAPIPARAMS atapiParams
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
|
|
do
|
|
{
|
|
if ( FALSE == IsEpatPlusPresent() )
|
|
{
|
|
// as mmc device can exist only on EPAT Plus adapter only
|
|
// we break out of here
|
|
break;
|
|
}
|
|
if ( TRUE == ParStlCheckIfAtaAtapiDevice (Extension,atapiParams) )
|
|
{
|
|
// as an ATA/ATAPI device is probably present,
|
|
// we break out of here
|
|
break;
|
|
}
|
|
bReturnValue = ParStlIsMMCEnginePresent(Extension) ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlIsMMCEnginePresent(
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
|
|
do
|
|
{
|
|
// check if the ATAPI signature is present in the cyl hi/lo
|
|
// registers. If present, it is definitely an ATAPI device
|
|
if ( ( ParStlReadIoPort(Extension, CYLLOW_REG) == ATAPI_SIGN_LOW ) &&\
|
|
( ParStlReadIoPort(Extension, CYLHIGH_REG) == ATAPI_SIGN_HI ) )
|
|
{
|
|
// as ATAPI signature is present, it cant be MMC
|
|
break ;
|
|
}
|
|
|
|
// write a zero pattern ( which will be a NOP for ATA/ATAPI devices )
|
|
// in the block size / possible ATA/ATAPI command register
|
|
ParStlWriteReg(Extension, MMC_ENGINE_INDEX, MMC_BLOCK_SIZE_REG);
|
|
ParStlWriteReg(Extension, MMC_ENGINE_DATA, MMC_TEST_PATTERN_1);
|
|
if ( MMC_TEST_PATTERN_1 != ParStlReadReg(Extension, MMC_ENGINE_DATA) )
|
|
{
|
|
// as the written value is not available, it means device present
|
|
// has responded to the written value, in a way different from
|
|
// how an MMC would have.
|
|
break ;
|
|
}
|
|
|
|
// write a test pattern in the freq register
|
|
ParStlWriteReg(Extension, MMC_ENGINE_INDEX, MMC_FREQ_SELECT_REG);
|
|
ParStlWriteReg(Extension, MMC_ENGINE_DATA, MMC_TEST_PATTERN_2);
|
|
|
|
// write another in the block size register
|
|
ParStlWriteReg(Extension, MMC_ENGINE_INDEX, MMC_BLOCK_SIZE_REG);
|
|
ParStlWriteReg(Extension, MMC_ENGINE_DATA, MMC_TEST_PATTERN_3);
|
|
|
|
ParStlWriteReg(Extension, MMC_ENGINE_INDEX, MMC_FREQ_SELECT_REG);
|
|
if ( MMC_TEST_PATTERN_2 != ParStlReadReg(Extension, MMC_ENGINE_DATA) )
|
|
{
|
|
// as we were not able to read back the written value
|
|
// we quit here
|
|
break;
|
|
}
|
|
|
|
ParStlWriteReg(Extension, MMC_ENGINE_INDEX, MMC_BLOCK_SIZE_REG);
|
|
if ( MMC_TEST_PATTERN_3 != ParStlReadReg(Extension, MMC_ENGINE_DATA) )
|
|
{
|
|
// as we were not able to read back the written value
|
|
// we quit here
|
|
break;
|
|
}
|
|
// as all tests have passed, engine presence is confirmed
|
|
// here
|
|
bReturnValue = TRUE ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfScsiDevice (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
if ( FALSE == IsEpstPresent() )
|
|
{
|
|
// as SCSI devices live only on EPST we break here
|
|
break;
|
|
}
|
|
|
|
bReturnValue = TRUE ;
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckIfSSFDC (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE;
|
|
do
|
|
{
|
|
if ( FALSE == IsEp1284Present() )
|
|
{
|
|
// SSFDC lives on EP1284 alone, other than impact
|
|
// which is already taken care
|
|
break;
|
|
}
|
|
|
|
//check to see if the loop back of the EPCS and EPDO pins
|
|
//of the INDEX 00 register read the same. If so, it is
|
|
//SSFDC board characteristic
|
|
ParStlWriteReg ( Extension, CONFIG_INDEX_REGISTER , 0x00 ) ;
|
|
ParStlWriteReg ( Extension, CONFIG_DATA_REGISTER , 0x10 ) ;
|
|
ParStlWriteReg ( Extension, CONFIG_DATA_REGISTER , 0x12 ) ;
|
|
if ( 0x1A == ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) )
|
|
{
|
|
ParStlWriteReg ( Extension, CONFIG_DATA_REGISTER , 0x10 ) ;
|
|
if ( ! ( ParStlReadReg ( Extension, CONFIG_DATA_REGISTER ) & 0x08 ) )
|
|
{
|
|
//as they are equal, SSFDC present
|
|
bReturnValue = TRUE ;
|
|
break ;
|
|
}
|
|
}
|
|
|
|
}
|
|
while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
VOID
|
|
ParStlAssertIdleState (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
PUCHAR CurrentPort, CurrentControl ;
|
|
ULONG Delay = 5 ;
|
|
|
|
CurrentPort = Extension->Controller;
|
|
CurrentControl = CurrentPort + 2;
|
|
|
|
// place op-code for idle state in port base
|
|
P5WritePortUchar ( CurrentPort, (UCHAR) 0x00 ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// bring down DCR_INIT and DCR_STROBE
|
|
P5WritePortUchar ( CurrentControl, (UCHAR) STB_INIT_LOW ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// lift DCR_INIT and DCR_STROBE to high
|
|
P5WritePortUchar ( CurrentControl, (UCHAR) STB_INIT_AFXT_HI ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckAvisionScannerPresence(
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR data;
|
|
|
|
do {
|
|
|
|
data = (UCHAR) ParStlReadReg( Extension, STATUSPORT);
|
|
if((data & 0x80) == 0) {
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x08 ) ;
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x08 ) ;
|
|
|
|
data = (UCHAR) ParStlReadReg( Extension, STATUSPORT);
|
|
if((data & 0x80) != 0) {
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x00 ) ;
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x00 ) ;
|
|
|
|
data = (UCHAR) ParStlReadReg( Extension, STATUSPORT);
|
|
if((data & 0x80) == 0) {
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x02 ) ;
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x02 ) ;
|
|
|
|
data = (UCHAR) ParStlReadReg( Extension, STATUSPORT);
|
|
if((data & 0x80) != 0) {
|
|
break ;
|
|
}
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x00 ) ;
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x00 ) ;
|
|
|
|
data = (UCHAR) ParStlReadReg( Extension, STATUSPORT);
|
|
if((data & 0x80) == 0) {
|
|
break ;
|
|
}
|
|
|
|
bReturnValue = TRUE ;
|
|
|
|
} while ( FALSE ) ;
|
|
|
|
return bReturnValue ;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlCheckUMAXScannerPresence(
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
UCHAR commandPacket_[6] = {0x55,0xaa,0,0,0,0} ;
|
|
PUCHAR commandPacket ;
|
|
USHORT status;
|
|
UCHAR idx;
|
|
PUCHAR saveCommandPacket;
|
|
ULONG dataLength;
|
|
|
|
ParStlWriteReg ( Extension, CONTROLPORT, 0 ) ; // scannner reset
|
|
KeStallExecutionProcessor ( 2000 ) ; // 2 m.secs delay
|
|
ParStlWriteReg ( Extension, CONTROLPORT, 0x0C ) ;
|
|
|
|
commandPacket = commandPacket_ ;
|
|
saveCommandPacket = commandPacket;
|
|
|
|
if ( TRUE == ParStlSetEPPMode(Extension) ) {
|
|
|
|
commandPacket+=2;
|
|
dataLength = *(ULONG*)commandPacket;
|
|
dataLength &= 0xffffff; //data bytes ordering (msb to lsb) will
|
|
// wrong .What we need here is whether the
|
|
// dataLength is 0 or not.
|
|
|
|
commandPacket = saveCommandPacket;
|
|
|
|
//Command phase
|
|
|
|
status = ParStlEPPWrite(Extension, *(commandPacket)++);
|
|
if((status & 0x700) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
status = ParStlEPPWrite(Extension, *(commandPacket)++);
|
|
if((status & 0x700 ) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
for(idx=0; idx<= 6 ;idx++){
|
|
|
|
if(status & 0x800){
|
|
break;
|
|
}
|
|
|
|
status = ParStlEPPRead(Extension);
|
|
}
|
|
|
|
if(idx == 7){
|
|
|
|
status = (status & 0xf800) | 0x100;
|
|
if ( status & 0x700 )
|
|
return FALSE;
|
|
}
|
|
|
|
status = ParStlEPPWrite(Extension, *(commandPacket)++);
|
|
if((status & 0x700 ) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
status = ParStlEPPWrite(Extension, *(commandPacket)++);
|
|
if((status & 0x700 ) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
status = ParStlEPPWrite(Extension, *(commandPacket)++);
|
|
if((status & 0x700 ) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
status = ParStlEPPWrite(Extension, *commandPacket);
|
|
if((status & 0x700 ) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
|
|
//Response phase
|
|
|
|
status = ParStlEPPRead(Extension);
|
|
commandPacket = saveCommandPacket;
|
|
|
|
if((status & 0x700) == 0){
|
|
|
|
if((commandPacket[5] == 0xc2)&& (dataLength == 0)){
|
|
|
|
status = ParStlEPPRead(Extension);
|
|
|
|
if((status & 0x0700) != 0){
|
|
return FALSE; //TIMEOUT_ERROR);
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
return FALSE;
|
|
}
|
|
|
|
BOOLEAN
|
|
ParStlSetEPPMode(
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
UCHAR idx;
|
|
BOOLEAN timeout = TRUE ;
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x0C ) ;
|
|
ParStlWriteReg( Extension, DATAPORT, 0x40 ) ;
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x06 ) ;
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if((ParStlReadReg(Extension, STATUSPORT) & 0x78) == 0x38){
|
|
|
|
timeout = FALSE;
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if(timeout == FALSE){
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT,0x7 );
|
|
timeout = TRUE;
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if((ParStlReadReg( Extension, STATUSPORT) & 0x78) == 0x38){
|
|
timeout = FALSE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if(timeout == FALSE){
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT,0x4 ) ;
|
|
timeout = TRUE;
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if((ParStlReadReg( Extension, STATUSPORT) & 0xf8) == 0xf8){
|
|
timeout = FALSE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if(timeout == FALSE){
|
|
|
|
timeout = TRUE;
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x5 );
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if( ParStlReadReg( Extension, CONTROLPORT ) == 0x5){
|
|
|
|
timeout = FALSE;
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
if(timeout == FALSE){
|
|
|
|
ParStlWriteReg( Extension, CONTROLPORT, 0x84) ;
|
|
return TRUE ;
|
|
|
|
} // final check
|
|
|
|
} // third check
|
|
|
|
} // second check
|
|
|
|
} // first check
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
USHORT
|
|
ParStlEPPWrite(
|
|
IN PPDO_EXTENSION Extension,
|
|
IN UCHAR value
|
|
)
|
|
{
|
|
UCHAR idx;
|
|
USHORT statusData = 0;
|
|
BOOLEAN timeout;
|
|
|
|
timeout = TRUE;
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if( !( (statusData = (USHORT)ParStlReadReg( Extension, STATUSPORT)) & BUSY)){
|
|
timeout = FALSE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if(timeout == TRUE){
|
|
|
|
return(((statusData<<8) & 0xf800)|0x100);
|
|
|
|
}
|
|
|
|
ParStlWriteReg( Extension, EPPDATA0PORT,value );
|
|
return(((statusData & 0xf8) << 8)|value);
|
|
}
|
|
|
|
USHORT
|
|
ParStlEPPRead(
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
UCHAR idx;
|
|
UCHAR eppData;
|
|
USHORT statusData = 0;
|
|
BOOLEAN timeout = TRUE ;
|
|
|
|
for(idx=0; idx<10; idx++){
|
|
|
|
if(!( (statusData = (USHORT)ParStlReadReg( Extension, STATUSPORT)) & PE)){
|
|
timeout = FALSE;
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
if(timeout == TRUE){
|
|
|
|
return(((statusData<<8) & 0xf800)|0x100);
|
|
|
|
}
|
|
|
|
eppData = (UCHAR)ParStlReadReg( Extension, EPPDATA0PORT) ;
|
|
return(((statusData & 0x00f8)<<8) | eppData );
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlReadReg (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN unsigned reg
|
|
)
|
|
{
|
|
UCHAR byReadNibble ;
|
|
PUCHAR CurrentPort, CurrentStatus, CurrentControl ;
|
|
ULONG Delay = 5 ;
|
|
|
|
CurrentPort = Extension->Controller;
|
|
CurrentStatus = CurrentPort + 1;
|
|
CurrentControl = CurrentPort + 2;
|
|
|
|
// select the register to read
|
|
P5WritePortUchar ( CurrentPort, (UCHAR)reg ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// issue nibble ctl signals to read
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_LOW ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_AFXT_LO ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// read first nibble
|
|
byReadNibble = P5ReadPortUchar (CurrentStatus);
|
|
KeStallExecutionProcessor( Delay );
|
|
byReadNibble >>= 4 ;
|
|
|
|
// issue nibble ctl signals to read
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_AFXT_HI ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// read next nibble
|
|
byReadNibble |= ( P5ReadPortUchar ( CurrentStatus ) & 0xF0 ) ;
|
|
|
|
return (int)byReadNibble ;
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlWriteReg (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN unsigned reg,
|
|
IN int databyte
|
|
)
|
|
{
|
|
PUCHAR CurrentPort, CurrentStatus, CurrentControl ;
|
|
ULONG Delay = 5 ;
|
|
|
|
CurrentPort = Extension->Controller;
|
|
CurrentStatus = CurrentPort + 1;
|
|
CurrentControl = CurrentPort + 2;
|
|
|
|
// select the register to write
|
|
P5WritePortUchar ( CurrentPort, (UCHAR)( reg | 0x60 ) ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// write to printer ctl port
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_LOW ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// write the requested data
|
|
P5WritePortUchar ( CurrentPort, (UCHAR)databyte ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// write to printer ctl port
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_AFXT_HI ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
return SHTL_NO_ERROR ;
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlReceiveData (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN VOID *hostBufferPointer,
|
|
IN long shuttleMemoryAddress,
|
|
IN unsigned count
|
|
)
|
|
{
|
|
PCHAR pchDataBuffer = (PCHAR) hostBufferPointer ;
|
|
unsigned int i = 0 ;
|
|
PUCHAR CurrentPort, CurrentStatus, CurrentControl ;
|
|
ULONG Delay = 5 ;
|
|
|
|
UNREFERENCED_PARAMETER( shuttleMemoryAddress );
|
|
|
|
CurrentPort = Extension->Controller;
|
|
CurrentStatus = CurrentPort + 1;
|
|
CurrentControl = CurrentPort + 2;
|
|
|
|
// set the block address register to ATA/ATAPI data register,
|
|
// as this function is currently used ONLY for ATA/ATAPI devices
|
|
// ATA/ATAPI data register 0x1F0 corresponds to 0x18 value
|
|
ParStlWriteReg ( Extension, EP1284_BLK_ADDR_REGISTER, 0x18 ) ;
|
|
|
|
// do the nibble block read sequence
|
|
// write the nibble block read op-code
|
|
P5WritePortUchar ( CurrentPort, OP_NIBBLE_BLOCK_READ ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// set control ports to correct signals.
|
|
P5WritePortUchar ( CurrentControl, STB_INIT_AFXT_LO ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// set data port to 0xFF
|
|
P5WritePortUchar ( CurrentPort, 0xFF ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
P5WritePortUchar ( CurrentControl, INIT_AFXT_HIGH ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
do
|
|
{
|
|
// low nibble is available in status after
|
|
// toggling sequences as in EP1284 manual
|
|
P5WritePortUchar ( CurrentControl, AFXT_LO_STB_HI ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
pchDataBuffer[i] = P5ReadPortUchar( CurrentStatus ) >> 4 ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// high nibble is available in status after
|
|
// toggling sequences as in EP1284 manual
|
|
P5WritePortUchar ( CurrentControl, AFXT_HI_STB_HI ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
pchDataBuffer[i++] |= ( P5ReadPortUchar ( CurrentStatus ) & 0xF0 ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
if ( count - 1 == i )
|
|
{
|
|
// to read the last byte
|
|
P5WritePortUchar ( CurrentPort, 0xFD ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
}
|
|
|
|
P5WritePortUchar ( CurrentControl, AFXT_LO_STB_LO ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
pchDataBuffer[i] = P5ReadPortUchar ( CurrentStatus ) >> 4 ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
P5WritePortUchar ( CurrentControl, AFXT_HI_STB_LO ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
pchDataBuffer[i++] |= ( P5ReadPortUchar ( CurrentStatus ) & 0xF0 ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
}
|
|
while ( i <= count ) ;
|
|
|
|
// clean up
|
|
P5WritePortUchar ( CurrentPort, 0x00 ) ;
|
|
KeStallExecutionProcessor( Delay );
|
|
|
|
// done
|
|
return SHTL_NO_ERROR ;
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlReadIoPort (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN unsigned reg
|
|
)
|
|
{
|
|
switch ( reg )
|
|
{
|
|
case 0x08 :
|
|
reg = 0x16 ;
|
|
break ;
|
|
case 0x09 :
|
|
reg = 0x17 ;
|
|
break ;
|
|
default :
|
|
reg |= 0x18 ;
|
|
break;
|
|
}
|
|
return ParStlReadReg ( Extension, reg ) ;
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlWriteIoPort (
|
|
IN PPDO_EXTENSION Extension,
|
|
IN unsigned reg,
|
|
IN int databyte
|
|
)
|
|
{
|
|
switch ( reg )
|
|
{
|
|
case 0x08 :
|
|
reg = 0x16 ;
|
|
break ;
|
|
case 0x09 :
|
|
reg = 0x17 ;
|
|
break ;
|
|
default :
|
|
reg |= 0x18 ;
|
|
break;
|
|
}
|
|
return ParStlWriteReg ( Extension, reg, databyte ) ;
|
|
}
|
|
|
|
int __cdecl
|
|
ParStlGetMemorySize (
|
|
IN PPDO_EXTENSION Extension
|
|
)
|
|
{
|
|
BOOLEAN bReturnValue = FALSE ;
|
|
UCHAR byTempValue ;
|
|
do
|
|
{
|
|
// Issue reset through control register
|
|
// first try on DRAM
|
|
byTempValue = (UCHAR) ParStlReadReg ( Extension, EP1284_CONTROL_REG ) ;
|
|
byTempValue |= ENABLE_MEM|SELECT_DRAM|RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
byTempValue &= ~RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
|
|
// write to the first location in the memory
|
|
ParStlWriteReg ( Extension, EP1284_BUFFER_DATA_REG, TEST_PATTERN_1 ) ;
|
|
// write to the next location in the memory
|
|
ParStlWriteReg ( Extension, EP1284_BUFFER_DATA_REG, TEST_PATTERN_2 ) ;
|
|
|
|
byTempValue = (UCHAR) ParStlReadReg ( Extension, EP1284_CONTROL_REG ) ;
|
|
byTempValue |= ENABLE_MEM|SELECT_DRAM|RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
byTempValue &= ~RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
|
|
// read from the first and next location in the memory
|
|
if ( ( TEST_PATTERN_1 == (UCHAR) ParStlReadReg ( Extension, EP1284_BUFFER_DATA_REG ) ) &&\
|
|
( TEST_PATTERN_2 == (UCHAR) ParStlReadReg ( Extension, EP1284_BUFFER_DATA_REG ) ) )
|
|
{
|
|
bReturnValue = TRUE ;
|
|
break ;
|
|
}
|
|
|
|
if ( !IsImpactPresent () )
|
|
{
|
|
// as only DRAM can be present on non-impact adapters
|
|
break ;
|
|
}
|
|
// Issue reset through control register
|
|
// and next try on SRAM
|
|
byTempValue = (UCHAR) ParStlReadReg ( Extension, EP1284_CONTROL_REG ) ;
|
|
byTempValue |= ENABLE_MEM|RESET_PTR ;
|
|
byTempValue &= SELECT_SRAM ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
byTempValue &= ~RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
|
|
// write to the first location in the memory
|
|
ParStlWriteReg ( Extension, EP1284_BUFFER_DATA_REG, TEST_PATTERN_1 ) ;
|
|
// write to the next location in the memory
|
|
ParStlWriteReg ( Extension, EP1284_BUFFER_DATA_REG, TEST_PATTERN_2 ) ;
|
|
|
|
byTempValue = (UCHAR) ParStlReadReg ( Extension, EP1284_CONTROL_REG ) ;
|
|
byTempValue |= ENABLE_MEM|RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
byTempValue &= ~RESET_PTR ;
|
|
ParStlWriteReg ( Extension, EP1284_CONTROL_REG, byTempValue ) ;
|
|
|
|
// read from the first location in the memory
|
|
if ( ( TEST_PATTERN_1 == (UCHAR) ParStlReadReg ( Extension, EP1284_BUFFER_DATA_REG ) ) &&\
|
|
( TEST_PATTERN_2 == (UCHAR) ParStlReadReg ( Extension, EP1284_BUFFER_DATA_REG ) ) )
|
|
{
|
|
bReturnValue = TRUE ;
|
|
break ;
|
|
}
|
|
}
|
|
while ( FALSE ) ;
|
|
return bReturnValue ;
|
|
}
|
|
// end of file
|
|
|