Source code of Windows XP (NT5)
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356 lines
9.7 KiB

//***************************************************************************
// Interrupt process
//
//***************************************************************************
#include "common.h"
#include "regs.h"
#include "dvdcmd.h"
#include "debug.h"
void HwIntDMA( PHW_DEVICE_EXTENSION pHwDevExt, UCHAR val );
void HwIntVideo( PHW_DEVICE_EXTENSION pHwDevExt );
void HwIntVSync( PHW_DEVICE_EXTENSION pHwDevExt );
//void SeemlessProc( PHW_DEVICE_EXTENSION pHwDevExt );
extern void USCC_get( PHW_DEVICE_EXTENSION pHwDevExt );
extern void USCC_put( PHW_DEVICE_EXTENSION pHwDevExt );
/*
** HwInterrupt()
*/
extern "C" BOOLEAN STREAMAPI HwInterrupt( IN PHW_DEVICE_EXTENSION pHwDevExt )
{
UCHAR val;
// UCHAR savedata[7];
BOOLEAN fInterrupt = TRUE;
// savedata[0] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA1 );
// savedata[1] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA2 );
// savedata[2] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA3 );
// savedata[3] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA4 );
// savedata[4] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA5 );
// savedata[5] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA6 );
// savedata[6] = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA7 );
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_INTF );
// DebugPrint( (DebugLevelVerbose, "TOSDVD:HwInterrupt 0x%x\r\n", (DWORD)val ) );
if( val & 0x03 ) {
HwIntDMA( pHwDevExt, (UCHAR)(val & 0x03) );
}
else if( val & 0x08 ) {
HwIntVideo( pHwDevExt );
}
else if( val & 0x10 ) {
HwIntVSync( pHwDevExt );
}
else if( val != 0 ) {
DebugPrint( (DebugLevelTrace, "TOSDVD:Interrupt! Not impliment\r\n") );
TRAP;
}
else {
// Removed by serges because this was happening an awful lot, possibly
// hurting performance.
// DebugPrint( (DebugLevelTrace, "TOSDVD:Other Board Interrupt ??\r\n") );
// TRAP;
fInterrupt = FALSE;
}
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA7, savedata[6] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA6, savedata[5] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA5, savedata[4] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA4, savedata[3] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA3, savedata[2] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA2, savedata[1] );
// WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_DATA1, savedata[0] );
return( fInterrupt );
}
void HwIntDMA( PHW_DEVICE_EXTENSION pHwDevExt, UCHAR val )
{
if( pHwDevExt->bKeyDataXfer ) {
if( val & 0x01 )
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_INTF, 0x01 );
else
TRAP;
pHwDevExt->pfnEndKeyData( pHwDevExt );
return;
}
if( val & 0x01 ) {
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_INTF, 0x01 );
if( pHwDevExt->pSrbDMA0 == NULL ) {
DebugPrint( (DebugLevelTrace, "TOSDVD: Bad Status! DMA0 HwIntDMA\r\n") );
// TRAP;
return;
}
// error check for debug
{
UCHAR val;
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_CNTL );
if( val & 0x01 ) {
DebugPrint(( DebugLevelTrace, "TOSDVD: Bad Irq? DMA0\r\n" ));
return;
}
}
// DebugDumpWriteData( pHwDevExt->pSrbDMA0 );
// if( pHwDevExt->lSeemVBuff != 0 ) {
// pHwDevExt->lSeemVBuff -= 2048; // Bad Value!!
// if( pHwDevExt->lSeemVBuff < 0 ) {
// pHwDevExt->lSeemVBuff = 0;
// SeemlessProc( pHwDevExt );
// }
// }
if( pHwDevExt->fSrbDMA0last ) {
DebugPrint(( DebugLevelVerbose, "TOSDVD:HWInt SrbDMA0 0x%x\r\n", pHwDevExt->pSrbDMA0 ) );
// must fix!
// other place that call StreamRequestComplete() does not clear pHwDevExt->bEndCpp;
if( ((PSRB_EXTENSION)(pHwDevExt->pSrbDMA0->SRBExtension))->pfnEndSrb ) {
DebugPrint(( DebugLevelTrace, "TOSDVD:exist pfnEndSrb(HWint0) srb = 0x%x\r\n", pHwDevExt->pSrbDMA0 ));
if( pHwDevExt->pSrbDMA0 == pHwDevExt->pSrbDMA1 || pHwDevExt->pSrbDMA1 == NULL ) {
DebugPrint(( DebugLevelTrace, "TOSDVD:Call TimerCppReset(HWint0)\r\n" ));
StreamClassScheduleTimer(
NULL,
pHwDevExt,
// BUG - must fix
// need wait underflow?
500000,
((PSRB_EXTENSION)(pHwDevExt->pSrbDMA0->SRBExtension))->pfnEndSrb,
((PSRB_EXTENSION)(pHwDevExt->pSrbDMA0->SRBExtension))->parmSrb
);
}
}
pHwDevExt->pSrbDMA0->Status = STATUS_SUCCESS;
StreamClassStreamNotification( StreamRequestComplete,
pHwDevExt->pSrbDMA0->StreamObject,
pHwDevExt->pSrbDMA0 );
}
// Next DMA
pHwDevExt->pSrbDMA0 = NULL;
pHwDevExt->fSrbDMA0last = FALSE;
}
if( val & 0x02 ) {
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_INTF, 0x02 );
if( pHwDevExt->pSrbDMA1 == NULL ) {
DebugPrint( (DebugLevelTrace, "TOSDVD: Bad Status! DMA1 HwIntDMA\r\n") );
// TRAP;
return;
}
// error check for debug
{
UCHAR val;
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_CNTL );
if( val & 0x02 ) {
DebugPrint(( DebugLevelTrace, "TOSDVD: Bad Irq? DMA1\r\n" ));
return;
}
}
// DebugDumpWriteData( pHwDevExt->pSrbDMA1 );
// if( pHwDevExt->lSeemVBuff != 0 ) {
// pHwDevExt->lSeemVBuff -= 2048; // Bad Value!!
// if( pHwDevExt->lSeemVBuff < 0 ) {
// pHwDevExt->lSeemVBuff = 0;
// SeemlessProc( pHwDevExt );
// }
// }
if( pHwDevExt->fSrbDMA1last ) {
DebugPrint(( DebugLevelVerbose, "TOSDVD:HWInt SrbDMA1 0x%x\r\n", pHwDevExt->pSrbDMA1 ) );
// must fix!
// other place that call StreamRequestComplete() does not clear pHwDevExt->bEndCpp;
if( ((PSRB_EXTENSION)(pHwDevExt->pSrbDMA1->SRBExtension))->pfnEndSrb ) {
DebugPrint(( DebugLevelTrace, "TOSDVD:exist pfnEndSrb(HWint1) srb = 0x%x\r\n", pHwDevExt->pSrbDMA1 ));
if( pHwDevExt->pSrbDMA0 == NULL ) {
DebugPrint(( DebugLevelTrace, "TOSDVD:Call TimerCppReset(HWint1)\r\n" ));
StreamClassScheduleTimer(
NULL,
pHwDevExt,
1,
((PSRB_EXTENSION)(pHwDevExt->pSrbDMA1->SRBExtension))->pfnEndSrb,
((PSRB_EXTENSION)(pHwDevExt->pSrbDMA1->SRBExtension))->parmSrb
);
}
}
pHwDevExt->pSrbDMA1->Status = STATUS_SUCCESS;
StreamClassStreamNotification( StreamRequestComplete,
pHwDevExt->pSrbDMA1->StreamObject,
pHwDevExt->pSrbDMA1 );
}
// Next DMA
pHwDevExt->pSrbDMA1 = NULL;
pHwDevExt->fSrbDMA1last = FALSE;
}
PreDMAxfer( pHwDevExt/*, val & 0x03 */);
}
void HwIntVideo( PHW_DEVICE_EXTENSION pHwDevExt )
{
UCHAR val;
UCHAR val2;
// DebugPrint( (DebugLevelTrace, "TOSDVD:HwIntVideo\r\n") );
val = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_IRM );
val2 = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_IRF );
val ^= val2;
val2 &= val;
//--- 97.09.23 K.Chujo; User Data Start Code Interrupt for Closed Caption
if( val2 & 0x01 ) {
// DebugPrint( (DebugLevelTrace, "TOSDVD: UDSC\r\n") );
USCC_get( pHwDevExt );
}
//--- End.
#if DBG
if( val2 & 0x02 )
DebugPrint( (DebugLevelTrace, "TOSDVD: Scr\r\n") );
if( val2 & 0x04 )
DebugPrint( (DebugLevelTrace, "TOSDVD: I-PIC\r\n") );
if( val2 & 0x08 )
DebugPrint( (DebugLevelTrace, "TOSDVD: User\r\n") );
// if( val2 & 0x10 )
// DebugPrint( (DebugLevelTrace, "TOSDVD: Error\r\n") );
#endif
if( val2 & 0x10 ) {
UCHAR val3;
DebugPrint( (DebugLevelTrace, "TOSDVD: Error\r\n") );
val3 = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_ERF );
DebugPrint( (DebugLevelTrace, "TOSDVD: Error %x\r\n", val3 ) );
}
if( val2 & 0x40 ) {
DebugPrint( (DebugLevelTrace, "TOSDVD: Underflow\r\n") );
/// pHwDevExt->XferStartCount = 0;
/// pHwDevExt->DecodeStart = FALSE;
/// pHwDevExt->SendFirst = FALSE;
// pHwDevExt->SendFirstTime = GetCurrentTime_ms();
// ???
/// for( int i = 0; i < 0xff /*0xffff*/; i++ )
/// val2 = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_STT1 );
for( int i = 0; i < 0xffff /*0xffff*/; i++ )
val2 = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_STT1 );
val2 = READ_PORT_UCHAR( pHwDevExt->ioBaseLocal + TC812_UOF );
pHwDevExt->dwSTCtemp = pHwDevExt->VDec.VIDEO_GET_STCA();
// Check Audio Underflow
StreamClassScheduleTimer(
pHwDevExt->pstroAud,
pHwDevExt,
0,
(PHW_TIMER_ROUTINE)CheckAudioUnderflow,
pHwDevExt
);
StreamClassScheduleTimer(
pHwDevExt->pstroAud,
pHwDevExt,
10000,
(PHW_TIMER_ROUTINE)CheckAudioUnderflow,
pHwDevExt
);
}
}
void HwIntVSync( PHW_DEVICE_EXTENSION pHwDevExt )
{
static v_count = 0;
static v_count2 = 0;
// ULONG TrickMode;
WRITE_PORT_UCHAR( pHwDevExt->ioBaseLocal + PCIF_INTF, 0x10 );
//--- 97.09.15 K.Chujo; Analog Copy Guard for beta 3, always Type 1 (AGC only);
pHwDevExt->CPgd.CPGD_UPDATE_AGC();
//--- End.
//--- 97.09.23 K.Chujo; Closed Caption
USCC_put( pHwDevExt );
//--- End.
if( ++v_count < 3 )
return;
v_count = 0;
// 20 / 1s
// notes: You have to call VIDEO_BUG_SLIDE_01 to recover MPEG2 chip bug
// when trick mode isn't FREEZE mode.
// But don't use VIDEO_GET_TRICK_MODE to get current trick mode.
// Because MPEG2 chip returns wrong value sometimes.
// TrickMode = pHwDevExt->VDec.VIDEO_GET_TRICK_MODE();
// if( TrickMode != 0x02 ) {
if( pHwDevExt->PlayMode != PLAY_MODE_FREEZE /*&& pHwDevExt->DecodeStart == TRUE*/ ) {
pHwDevExt->VDec.VIDEO_BUG_SLIDE_01();
}
if( ++v_count2 < 4 )
return;
v_count2 = 0;
// 5 / 1s ???
ClockEvents( pHwDevExt );
// debug
static v_count3 = 0;
if( ++v_count3 < 50 )
return;
v_count3 = 0;
// 1 / 60s
DebugPrint((
DebugLevelTrace,
"TOSDVD: VSync 10s (0x%s(100ns))\r\n",
DebugLLConvtoStr( ConvertPTStoStrm( pHwDevExt->VDec.VIDEO_GET_STCA() ), 16 )
));
}
//void SeemlessProc( PHW_DEVICE_EXTENSION pHwDevExt )
//{
// DWORD dwSTC;
//
// DebugPrint( (DebugLevelTrace, "TOSDVD:SeemlessProc\r\n") );
//
// pHwDevExt->VDec.VIDEO_SET_STCA( pHwDevExt->dwSeemSTC );
// dwSTC = pHwDevExt->VDec.VIDEO_GET_STCA();
// pHwDevExt->ADec.AUDIO_ZR38521_VDSCR_OFF( dwSTC );
// pHwDevExt->VPro.SUBP_SET_STC( dwSTC );
// pHwDevExt->VPro.SUBP_STC_ON();
//
//// pHwDevExt->VDec.VIDEO_UFLOW_INT_ON();
//
//}