windows-nt/Source/XPSP1/NT/drivers/wdm/dvd/mini/toshiba/ccpp.cpp
2020-09-26 16:20:57 +08:00

151 lines
3 KiB
C++

//***************************************************************************
// Copy protect process
//
//***************************************************************************
#include "common.h"
#include "ccpp.h"
void Cpp::cpp_outp( UCHAR index, UCHAR data )
{
WRITE_PORT_UCHAR( (PUCHAR)( ioBase + CG_INDEX ), (UCHAR)index );
WRITE_PORT_UCHAR( (PUCHAR)( ioBase + CG_DATA ), data );
}
UCHAR Cpp::cpp_inp( UCHAR index )
{
WRITE_PORT_UCHAR( (PUCHAR)( ioBase + CG_INDEX ), (UCHAR)index );
return READ_PORT_UCHAR( (PUCHAR)( ioBase + CG_DATA ) );
}
void Cpp::wait( 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( void )
{
int i;
for ( i = 0; i < 100; i++ )
{
if ( ( cpp_inp( COM ) & 0xc0 ) != 0 )
break;
wait( 1 );
}
if ( ( cpp_inp( COM ) & 0x40 ) == 0x40 )
return FALSE;
else
return TRUE;
}
BOOLEAN Cpp::decoder_challenge( PKS_DVDCOPY_CHLGKEY r1 )
{
int i;
cpp_outp( COM, CMD_DEC_RAND );
for ( i = 0; i < 10; i++ )
r1->ChlgKey[i] = cpp_inp( (UCHAR)(CHGG1 + i) );
r1->Reserved[0] = r1->Reserved[1] = 0;
return TRUE;
}
BOOLEAN Cpp::drive_bus( PKS_DVDCOPY_BUSKEY fsr1 )
{
int i;
cpp_outp( COM, CMD_NOP );
for ( i = 0; i < 5; i++ )
cpp_outp( (UCHAR)(RSPG1 + i), fsr1->BusKey[i] );
cpp_outp( COM, CMD_DRV_AUTH );
return cmd_wait_loop();
}
BOOLEAN Cpp::drive_challenge( PKS_DVDCOPY_CHLGKEY r2 )
{
int i;
for ( i = 0; i < 10; i++ )
cpp_outp( (UCHAR)(CHGG1 + i), r2->ChlgKey[i] );
cpp_outp( COM, CMD_DEC_AUTH );
return cmd_wait_loop();
}
BOOLEAN Cpp::decoder_bus( PKS_DVDCOPY_BUSKEY fsr2 )
{
int i;
for ( i = 0; i < 5; i++ )
fsr2->BusKey[i] = cpp_inp( (UCHAR)(RSPG1 + i) );
return TRUE;
}
BOOLEAN Cpp::DiscKeyStart()
{
cpp_outp( COM, CMD_DEC_DKY );
return TRUE;
}
BOOLEAN Cpp::DiscKeyEnd()
{
return cmd_wait_loop();
}
BOOLEAN Cpp::TitleKey( PKS_DVDCOPY_TITLEKEY tk )
{
int i;
BOOLEAN stat;
cpp_outp( ETKG1 + 0, (UCHAR)(tk->KeyFlags) );
for ( i = 1; i < 6; i++ )
cpp_outp( (UCHAR)(ETKG1 + i), tk->TitleKey[i-1] );
cpp_outp( COM, CMD_NOP );
cpp_outp( COM, CMD_DEC_DTK );
stat = cmd_wait_loop();
cpp_outp( COM, CMD_NOP );
cpp_outp( COM, CMD_DEC_DT );
return stat;
}
void Cpp::init( const PDEVICE_INIT_INFO pDevInit )
{
ioBase = pDevInit->ioBase;
}
BOOLEAN Cpp::reset( CPPMODE mode )
{
UCHAR val;
// Reset TC6808AF
val = READ_PORT_UCHAR( ioBase + 0x27 );
val |= 0x10;
WRITE_PORT_UCHAR( ioBase + 0x27, val );
wait( 10 );
val = READ_PORT_UCHAR( ioBase + 0x27 );
val &= 0xef;
WRITE_PORT_UCHAR( ioBase + 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( CNT_1, 0xe3 ); // ???????????????
if ( mode == NO_GUARD )
cpp_outp( CNT_2, CNT2_DEFAULT + 0x01 );
else
cpp_outp( CNT_2, CNT2_DEFAULT );
cpp_outp( DETP_L, 0x00 );
cpp_outp( DETP_M, 0x00 );
return TRUE;
}