2025-04-27 07:49:33 -04:00

148 lines
3.9 KiB
C

//***************************************************************************
// Copy protect process
//
//***************************************************************************
#include "common.h"
#include "ccpp.h"
void Cpp_outp( PHW_DEVICE_EXTENSION pHwDevExt, UCHAR index, UCHAR data )
{
WRITE_PORT_UCHAR( (PUCHAR)( pHwDevExt->ioBaseLocal + CG_INDEX ), (UCHAR)index );
WRITE_PORT_UCHAR( (PUCHAR)( pHwDevExt->ioBaseLocal + CG_DATA ), data );
}
UCHAR Cpp_inp( PHW_DEVICE_EXTENSION pHwDevExt, UCHAR index )
{
WRITE_PORT_UCHAR( (PUCHAR)( pHwDevExt->ioBaseLocal + CG_INDEX ), (UCHAR)index );
return READ_PORT_UCHAR( (PUCHAR)( pHwDevExt->ioBaseLocal + CG_DATA ) );
}
void Cpp_wait( PHW_DEVICE_EXTENSION pHwDevExt, ULONG msec )
{
DWORD st, et;
st = GetCurrentTime_ms();
for( ; ; ) {
KeStallExecutionProcessor( 1 );
et = GetCurrentTime_ms();
if( st + msec * 10 < et )
break;
}
}
BOOLEAN Cpp_cmd_wait_loop( PHW_DEVICE_EXTENSION pHwDevExt )
{
int i;
for ( i = 0; i < 100; i++ )
{
if ( ( Cpp_inp( pHwDevExt, COM ) & 0xc0 ) != 0 )
break;
Cpp_wait( pHwDevExt, 1 );
}
if ( ( Cpp_inp( pHwDevExt, COM ) & 0x40 ) == 0x40 )
return FALSE;
else
return TRUE;
}
BOOLEAN Cpp_decoder_challenge( PHW_DEVICE_EXTENSION pHwDevExt, PKS_DVDCOPY_CHLGKEY r1 )
{
int i;
Cpp_outp( pHwDevExt, COM, CMD_DEC_RAND );
for ( i = 0; i < 10; i++ )
r1->ChlgKey[i] = Cpp_inp( pHwDevExt, (UCHAR)(CHGG1 + i) );
r1->Reserved[0] = r1->Reserved[1] = 0;
return TRUE;
}
BOOLEAN Cpp_drive_bus( PHW_DEVICE_EXTENSION pHwDevExt, PKS_DVDCOPY_BUSKEY fsr1 )
{
int i;
Cpp_outp( pHwDevExt, COM, CMD_NOP );
for ( i = 0; i < 5; i++ )
Cpp_outp( pHwDevExt, (UCHAR)(RSPG1 + i), fsr1->BusKey[i] );
Cpp_outp( pHwDevExt, COM, CMD_DRV_AUTH );
return Cpp_cmd_wait_loop(pHwDevExt );
}
BOOLEAN Cpp_drive_challenge( PHW_DEVICE_EXTENSION pHwDevExt, PKS_DVDCOPY_CHLGKEY r2 )
{
int i;
for ( i = 0; i < 10; i++ )
Cpp_outp( pHwDevExt, (UCHAR)(CHGG1 + i), r2->ChlgKey[i] );
Cpp_outp( pHwDevExt, COM, CMD_DEC_AUTH );
return Cpp_cmd_wait_loop(pHwDevExt);
}
BOOLEAN Cpp_decoder_bus( PHW_DEVICE_EXTENSION pHwDevExt, PKS_DVDCOPY_BUSKEY fsr2 )
{
int i;
for ( i = 0; i < 5; i++ )
fsr2->BusKey[i] = Cpp_inp( pHwDevExt, (UCHAR)(RSPG1 + i) );
return TRUE;
}
BOOLEAN Cpp_DiscKeyStart(PHW_DEVICE_EXTENSION pHwDevExt)
{
Cpp_outp( pHwDevExt, COM, CMD_DEC_DKY );
return TRUE;
}
BOOLEAN Cpp_DiscKeyEnd(PHW_DEVICE_EXTENSION pHwDevExt)
{
return Cpp_cmd_wait_loop(pHwDevExt);
}
BOOLEAN Cpp_TitleKey( PHW_DEVICE_EXTENSION pHwDevExt, PKS_DVDCOPY_TITLEKEY tk )
{
int i;
BOOLEAN stat;
Cpp_outp( pHwDevExt, ETKG1 + 0, (UCHAR)(tk->KeyFlags) );
for ( i = 1; i < 6; i++ )
Cpp_outp( pHwDevExt, (UCHAR)(ETKG1 + i), tk->TitleKey[i-1] );
Cpp_outp( pHwDevExt, COM, CMD_NOP );
Cpp_outp( pHwDevExt, COM, CMD_DEC_DTK );
stat = Cpp_cmd_wait_loop(pHwDevExt);
Cpp_outp( pHwDevExt, COM, CMD_NOP );
Cpp_outp( pHwDevExt, COM, CMD_DEC_DT );
return stat;
}
BOOLEAN Cpp_reset( PHW_DEVICE_EXTENSION pHwDevExt, CPPMODE mode )
{
UCHAR val;
// Reset TC6808AF
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + 0x27 );
val |= 0x10;
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + 0x27, val );
Cpp_wait( pHwDevExt, 10 );
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + 0x27 );
val &= 0xef;
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + 0x27, val );
// _outp( (WORD)( pIO_Base + 0x27 ), _inp( (WORD)( pIO_Base + 0x27 ) ) | 0x10 );
// dcg_wait( 10 );
// _outp( (WORD)( pIO_Base + 0x27 ), _inp( (WORD)( pIO_Base + 0x27 ) ) & 0xef );
// Set Registers
Cpp_outp( pHwDevExt, CNT_1, 0xe3 ); // ???????????????
if ( mode == NO_GUARD )
Cpp_outp( pHwDevExt, CNT_2, CNT2_DEFAULT + 0x01 );
else
Cpp_outp( pHwDevExt, CNT_2, CNT2_DEFAULT );
Cpp_outp( pHwDevExt, DETP_L, 0x00 );
Cpp_outp( pHwDevExt, DETP_M, 0x00 );
return TRUE;
}