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WindowsXP/drivers/wdm/dvd/mini/sgsorig/mpinit.c
Tanishq Dubey cb60ae51e5
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2025-04-27 07:49:33 -04:00

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/*******************************************************************
*
* MPINIT.C
*
* Copyright (C) 1995 SGS-THOMSON Microelectronics.
*
*
* PORT/MINIPORT Interface init routines
*
*******************************************************************/
#include "common.h"
#include "mpegmini.h"
#include "mpinit.h"
#include "mpst.h"
#include "mpvideo.h"
#include "mpaudio.h"
#include "mpovrlay.h"
#include "debug.h"
/********************************************************************
* Function Name : DriverEntry
* Args : Context1 and Context2
* Returns : Return of MpegPortInitialize
* Purpose : Entry Point into the MINIPORT Driver.
*
* Revision History : Last modified on 25/8/95 by JBS
********************************************************************/
ULONG DriverEntry ( PVOID Context1, PVOID Context2 )
{
HW_INITIALIZATION_DATA HwInitData;
BUSINFO BusInfo;
DebugPrint((DebugLevelVerbose,"ST MPEG2 MiniPort DriverEntry"));
MpegPortZeroMemory(&HwInitData, sizeof(HwInitData));
HwInitData.HwInitializationDataSize = sizeof(HwInitData);
// Entry points for Port Driver
HwInitData.HwInitialize = HwInitialize;
HwInitData.HwUnInitialize = HwUnInitialize;
HwInitData.HwStartIo = HwStartIo;
HwInitData.HwFindAdapter = HwFindAdapter;
HwInitData.HwInterrupt[VideoDevice] = HwInterrupt;
HwInitData.DeviceExtensionSize = sizeof(HW_DEVICE_EXTENSION);
#if 1
HwInitData.NumberOfAccessRanges = 0x4;
HwInitData.AdapterInterfaceType = PCIBus;
HwInitData.VendorIdLength = 4;
HwInitData.VendorId = "104a";
HwInitData.DeviceIdLength = 4;
HwInitData.DeviceId = "3520";
HwInitData.NoDynamicRelocation = FALSE;
#else
mpstDriverEntry(&BusInfo);
HwInitData.NumberOfAccessRanges = BusInfo.NumberOfAccessRanges;
HwInitData.AdapterInterfaceType = BusInfo.AdapterInterfaceType;
HwInitData.VendorIdLength = BusInfo.VendorIdLength;
HwInitData.VendorId = BusInfo.VendorId;
HwInitData.DeviceIdLength = BusInfo.DeviceIdLength;
HwInitData.DeviceId = BusInfo.DeviceId;
HwInitData.NoDynamicRelocation = BusInfo.NoDynamicRelocation;
#endif
DebugPrint((DebugLevelVerbose,"Exit from DriverEntry"));
return (MpegPortInitialize(Context1, Context2,&HwInitData, NULL));
}
/********************************************************************
* Function Name : HwInitialize
* Args : Pointer to Device Ext.
* Returns : TRUE if sucessful, FALSE otherwise
* Purpose : Initialize the Board, Setup IRQ, Initialize the
* Control and Card structures.
*
* Revision History : Last modified on 19/8/95 by JBS
********************************************************************/
BOOLEAN HwInitialize (IN PVOID DeviceExtension )
{
PHW_DEVICE_EXTENSION pHwDevExt = (PHW_DEVICE_EXTENSION)DeviceExtension;
DebugPrint((DebugLevelVerbose,"Entry : HwInitialize()"));
mpstHwInitialize (pHwDevExt);
pHwDevExt->VideoDeviceExt.pCurrentMrb = NULL;
pHwDevExt->AudioDeviceExt.pCurrentMrb = NULL;
pHwDevExt->VideoDeviceExt.DeviceState = MpegStatePaused;
pHwDevExt->AudioDeviceExt.DeviceState = MpegStatePaused;
DebugPrint((DebugLevelVerbose,"Exit : HwInitialize()"));
return TRUE;
}
/********************************************************************
* Function Name : HwUnInitialize
* Args : Pointer to Device Ext.
* Returns : TRUE if sucessful, FALSE otherwise
* Purpose : Uninitialize the H/W and data initialized
* by HwInitialize Function
*
* Revision History : Last modified on 15/7/95 JBS
********************************************************************/
BOOLEAN HwUnInitialize ( IN PVOID DeviceExtension)
{
DeviceExtension = DeviceExtension;
mpstHwUnInitialize ();
return TRUE;
}
/********************************************************************
* Function Name : HwFindAdapter
* Args : Pointer to Device Ext, Bus Information, ArgString,
* port configuration information, Again
* Returns : MP_FOUND, NOT FOUND OR ERROR
* Purpose : Finds the H/W Adapter on the system
*
* Revision History : Last modified on 15/7/95 by JBS
********************************************************************/
MP_RETURN_CODES HwFindAdapter (
IN PVOID DeviceExtension,
IN PVOID HwContext,
IN PVOID BusInformation,
IN PCHAR ArgString,
IN OUT PPORT_CONFIGURATION_INFORMATION ConfigInfo,
OUT PBOOLEAN Again
)
{
// Code to find the adapter has to be added. - JBS
ULONG ioAddress;
ULONG IrqLevel; // Temp code to be put in HW_DEV_EXT
PUSHORT ioBase;
PHW_DEVICE_EXTENSION pHwDevExt = (PHW_DEVICE_EXTENSION)DeviceExtension;
#ifdef NT
*Again = FALSE; // Only one card is allowed in the system
DEBUG_PRINT((DebugLevelVerbose, "Entry : HwFindAparter()\n"));
if(ConfigInfo->Length != sizeof(PORT_CONFIGURATION_INFORMATION))
{
DEBUG_PRINT((DebugLevelError,"Find Adapter : Different Size!!"));
return MP_RETURN_BAD_CONFIG;
}
ConfigInfo->DmaChannels[VideoDevice].DmaChannel = MP_UNINITIALIZED_VALUE;
ConfigInfo->DmaChannels[AudioDevice].DmaChannel = MP_UNINITIALIZED_VALUE;
ConfigInfo->DmaChannels[OverlayDevice].DmaChannel = MP_UNINITIALIZED_VALUE;
if(ConfigInfo->AccessRanges[0].RangeLength == 0){
// IO Base was not specified in the registry
DEBUG_PRINT((DebugLevelError, "FindAdapter: IO Base not specified\n"));
return MP_RETURN_INSUFFICIENT_RESOURCES;
}
// DEBUG_PRINT((DebugLevelVerbose,"3520 Address Physical = %lx\n", ConfigInfo->AccessRanges[2].RangeStart));
// DEBUG_PRINT((DebugLevelVerbose,"PCI9060 Address Physical = %lx\n", ConfigInfo->AccessRanges[1].RangeStart));
ioAddress = MPEG_PORT_CONVERT_PHYSICAL_ADDRESS_TO_ULONG(
ConfigInfo->AccessRanges[2].RangeStart
);
ConfigInfo->AccessRanges[0].RangeStart = ConfigInfo->AccessRanges[2].RangeStart ;
DEBUG_PRINT((DebugLevelVerbose,"3520 Base Address = %lx\n", ioAddress));
if( (ConfigInfo->Interrupts[VideoDevice].BusInterruptLevel == MP_UNINITIALIZED_VALUE) &&
(ConfigInfo->Interrupts[AudioDevice].BusInterruptLevel == MP_UNINITIALIZED_VALUE) &&
(ConfigInfo->Interrupts[OverlayDevice].BusInterruptLevel == MP_UNINITIALIZED_VALUE)){
DEBUG_PRINT((DebugLevelError, "FindAdapter: Interrupt not specfied correctly\n"));
return MP_RETURN_INVALID_INTERRUPT;
}
IrqLevel = ConfigInfo->Interrupts[VideoDevice].BusInterruptLevel;
DEBUG_PRINT((DebugLevelVerbose,"Video Interrupt = %lx\n", IrqLevel));
// ConfigInfo->Interrupts[AudioDevice].BusInterruptLevel = IrqLevel;
// ConfigInfo->Interrupts[OverlayDevice].BusInterruptLevel = IrqLevel;
ioBase = MpegPortGetDeviceBase(
pHwDevExt, // HwDeviceExtension
ConfigInfo->AdapterInterfaceType, // AdapterInterfaceType
ConfigInfo->SystemIoBusNumber, // SystemIoBusNumber
ConfigInfo->AccessRanges[0].RangeStart,
0x4, // NumberOfBytes
TRUE // InIoSpace - Memory mapped
);
DEBUG_PRINT((DebugLevelVerbose,"3520 Base Address = %lx\n", ioBase));
pHwDevExt->ioBaseLocal = ioBase;
ioBase = MpegPortGetDeviceBase(
pHwDevExt, // HwDeviceExtension
ConfigInfo->AdapterInterfaceType, // AdapterInterfaceType
ConfigInfo->SystemIoBusNumber, // SystemIoBusNumber
ConfigInfo->AccessRanges[1].RangeStart,
0x4, // NumberOfBytes
TRUE // InIoSpace - Memory mapped
);
DEBUG_PRINT((DebugLevelVerbose,"PCI9060 Address = %lx\n", ioBase));
pHwDevExt->ioBasePCI9060 = ioBase;
pHwDevExt->Irq = IrqLevel;
#else
BOARDINFO BoardInfo;
*Again = FALSE;
DeviceExtension = DeviceExtension;
ConfigInfo = ConfigInfo;
HwContext = HwContext;
BusInformation = BusInformation;
ArgString = ArgString;
mpstHwFindAdaptor(&BoardInfo);
pHwDevExt->ioBaseLocal = BoardInfo.ioBaseLocal;
pHwDevExt->ioBasePCI9060 = BoardInfo.ioBasePCI9060;
pHwDevExt->Irq = BoardInfo.Irq;
#endif
pHwDevExt->VideoDeviceExt.videoSTC = 0;
pHwDevExt->AudioDeviceExt.audioSTC = 0;
pHwDevExt->AudioDeviceExt.pCurrentMrb = NULL;
pHwDevExt->VideoDeviceExt.pCurrentMrb = NULL;
pHwDevExt->VideoDeviceExt.DeviceState = MpegStateStartup;
pHwDevExt->AudioDeviceExt.DeviceState = MpegStateStartup;
pHwDevExt->AudioDeviceExt.pCurrentMrb = NULL;
pHwDevExt->VideoDeviceExt.pCurrentMrb = NULL;
DebugPrint((DebugLevelVerbose, "Exit : HwFindAparter()"));
return MP_RETURN_FOUND;
}
/********************************************************************
* Function Name : HwInterrupt
* Args : Pointer to Device Ext.
* Returns : TRUE or FALSE
* Purpose : Called by port driver if there is an interrupt
* on the IRQ line. Must return False if it does not
* Processes the interrupt
*
* Revision History : Last modified on 15/7/95 by JBS
********************************************************************/
BOOLEAN HwInterrupt ( IN PVOID pDeviceExtension )
{
// Call the interrupt handler should check if the interrupt belongs to
BOOLEAN bRetValue;
pDeviceExtension = pDeviceExtension;
bRetValue = mpstHwInterrupt ();
return bRetValue;
}
/********************************************************************
* Function Name : HwStartIo
* Args : Pointer to Device Ext, Mini-Port Request Block (MRB)
* Returns : TRUE or FALSE
* Purpose : Main fuction which accepts the MRBs from port Driver
* Port driver calls this function for all the commands
* it wants to execute
*
* Revision History : Last modified on 15/7/95 JBS
********************************************************************/
BOOLEAN HwStartIo (
IN PVOID DeviceExtension,
PMPEG_REQUEST_BLOCK pMrb
)
{
pMrb->Status = MrbStatusSuccess;
switch (pMrb->Command)
{
case MrbCommandAudioCancel :
miniPortCancelAudio(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoCancel :
miniPortCancelVideo(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoClearBuffer :
miniPortClearVideoBuffer(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayEnable :
miniPortVideoEnable(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayDisable :
miniPortVideoDisable(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioEndOfStream :
miniPortAudioEndOfStream(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoEndOfStream :
miniPortVideoEndOfStream(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioGetAttribute :
miniPortAudioGetAttribute (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoGetAttribute :
miniPortVideoGetAttribute (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayGetAttribute :
miniPortOverlayGetAttribute (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayGetDestination :
miniPortOverlayGetDestination(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayGetMode :
miniPortOverlayGetMode(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioGetStc :
miniPortAudioGetStc(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoGetStc :
miniPortVideoGetStc(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayGetVgaKey :
miniPortOverlayGetVgaKey(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioPacket :
miniPortAudioPacket(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoPacket :
miniPortVideoPacket(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioPause :
miniPortAudioPause(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoPause :
miniPortVideoPause(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioPlay :
miniPortAudioPlay(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoPlay :
miniPortVideoPlay(pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioQueryInfo :
miniPortAudioQueryInfo (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoQueryInfo :
miniPortVideoQueryInfo (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioReset :
miniPortAudioReset (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoReset :
miniPortVideoReset (pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioSetAttribute :
miniPortAudioSetAttribute ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlaySetAttribute :
miniPortOverlaySetAttribute ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlaySetBitMask :
miniPortOverlaySetBitMask ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlaySetDestination :
miniPortOverlaySetDestination ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlaySetMode :
miniPortOverlaySetMode ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioSetStc :
miniPortAudioSetStc ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoSetStc :
miniPortVideoSetStc ( pMrb, (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlaySetVgaKey :
miniPortOverlaySetVgaKey ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandAudioStop :
miniPortAudioStop( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandVideoStop :
miniPortVideoStop( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
case MrbCommandOverlayUpdateClut :
miniPortOverlayUpdateClut ( pMrb , (PHW_DEVICE_EXTENSION)DeviceExtension);
break;
}
return TRUE;
}
#ifdef NT
VOID HostDisableIT(VOID)
{
// Has to be implemented !! - JBS
}
VOID HostEnableIT(VOID)
{
// Has to be implemented !! - JBS
}
#endif
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