BOOLEAN NTAPI
XboxVmpInitialize(PVOID HwDeviceExtension)
{
PXBOXVMP_DEVICE_EXTENSION XboxVmpDeviceExtension;
ULONG inIoSpace = VIDEO_MEMORY_SPACE_MEMORY;
ULONG Length;
VideoPortDebugPrint(Trace, "XboxVmpInitialize\n");
XboxVmpDeviceExtension = (PXBOXVMP_DEVICE_EXTENSION) HwDeviceExtension;
Length = XboxVmpDeviceExtension->ControlLength;
XboxVmpDeviceExtension->VirtControlStart = NULL;
if (NO_ERROR != VideoPortMapMemory(HwDeviceExtension,
XboxVmpDeviceExtension->PhysControlStart,
&Length, &inIoSpace,
&XboxVmpDeviceExtension->VirtControlStart))
{
VideoPortDebugPrint(Error, "Failed to map control memory\n");
return FALSE;
}
VideoPortDebugPrint(Info, "Mapped 0x%x bytes of control mem at 0x%x to virt addr 0x%x\n",
XboxVmpDeviceExtension->ControlLength,
XboxVmpDeviceExtension->PhysControlStart.u.LowPart,
XboxVmpDeviceExtension->VirtControlStart);
return TRUE;
}
VP_STATUS QueryPublicAccessRanges_m(PVIDEO_REQUEST_PACKET RequestPacket)
{
PVIDEO_PUBLIC_ACCESS_RANGES portAccess;
PHYSICAL_ADDRESS physicalPortBase;
ULONG physicalPortLength;
if ( RequestPacket->OutputBufferLength <
(RequestPacket->StatusBlock->Information =
sizeof(VIDEO_PUBLIC_ACCESS_RANGES)) )
{
return ERROR_INSUFFICIENT_BUFFER;
}
portAccess = RequestPacket->OutputBuffer;
portAccess->VirtualAddress = (PVOID) NULL; // Requested VA
portAccess->InIoSpace = 1; // In IO space
portAccess->MappedInIoSpace = portAccess->InIoSpace;
physicalPortBase.HighPart = 0x00000000;
physicalPortBase.LowPart = 0x00000000;
// physicalPortLength = LINEDRAW+2 - physicalPortBase.LowPart;
physicalPortLength = 0x10000;
// *SANITIZE* If MM available, give MM ports instead.
return VideoPortMapMemory(phwDeviceExtension,
physicalPortBase,
&physicalPortLength,
&(portAccess->MappedInIoSpace),
&(portAccess->VirtualAddress));
} /* QueryPublicAccessRanges_m() */
BOOLEAN VGAMapVideoMemory(IN PVOID DeviceExtension,
IN PVIDEO_MEMORY RequestedAddress,
OUT PVIDEO_MEMORY_INFORMATION MapInformation,
OUT PSTATUS_BLOCK StatusBlock)
{
ULONG ReturnedLength;
PVOID ReturnedAddress;
ULONG IoSpace;
PHYSICAL_ADDRESS FrameBufferBase;
ReturnedAddress = RequestedAddress->RequestedVirtualAddress;
ReturnedLength = 256 * 1024;
FrameBufferBase.QuadPart = 0xA0000;
IoSpace = VIDEO_MEMORY_SPACE_MEMORY;
StatusBlock->Status = VideoPortMapMemory(DeviceExtension,
FrameBufferBase,
&ReturnedLength,
&IoSpace,
&ReturnedAddress);
if (StatusBlock->Status != 0)
{
StatusBlock->Information = 0;
return TRUE;
}
MapInformation->VideoRamBase = MapInformation->FrameBufferBase =
ReturnedAddress;
MapInformation->VideoRamLength = MapInformation->FrameBufferLength =
ReturnedLength;
StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
return TRUE;
}
BOOLEAN FASTCALL
XboxVmpMapVideoMemory(
PXBOXVMP_DEVICE_EXTENSION DeviceExtension,
PVIDEO_MEMORY RequestedAddress,
PVIDEO_MEMORY_INFORMATION MapInformation,
PSTATUS_BLOCK StatusBlock)
{
PHYSICAL_ADDRESS FrameBuffer;
ULONG inIoSpace = VIDEO_MEMORY_SPACE_MEMORY;
SYSTEM_BASIC_INFORMATION BasicInfo;
ULONG Length;
/* FIXME: this should probably be done differently, without native API */
StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
FrameBuffer.u.HighPart = 0;
if (ZwQuerySystemInformation(SystemBasicInformation,
(PVOID) &BasicInfo,
sizeof(SYSTEM_BASIC_INFORMATION),
&Length) == NO_ERROR)
{
FrameBuffer.u.LowPart = BasicInfo.HighestPhysicalPageNumber * PAGE_SIZE;
}
else
{
VideoPortDebugPrint(Error, "ZwQueryBasicInformation failed, assuming 64MB total memory\n");
FrameBuffer.u.LowPart = 60 * 1024 * 1024;
}
FrameBuffer.QuadPart += DeviceExtension->PhysFrameBufferStart.QuadPart;
MapInformation->VideoRamBase = RequestedAddress->RequestedVirtualAddress;
MapInformation->VideoRamLength = 4 * 1024 * 1024;
VideoPortMapMemory(DeviceExtension, FrameBuffer,
&MapInformation->VideoRamLength, &inIoSpace,
&MapInformation->VideoRamBase);
MapInformation->FrameBufferBase = MapInformation->VideoRamBase;
MapInformation->FrameBufferLength = MapInformation->VideoRamLength;
/* Tell the nVidia controller about the framebuffer */
*((PULONG)((char *) DeviceExtension->VirtControlStart + CONTROL_FRAMEBUFFER_ADDRESS_OFFSET)) = FrameBuffer.u.LowPart;
VideoPortDebugPrint(Info, "Mapped 0x%x bytes of phys mem at 0x%lx to virt addr 0x%p\n",
MapInformation->VideoRamLength, FrameBuffer.u.LowPart, MapInformation->VideoRamBase);
return TRUE;
}
int VBoxMPCmnMapAdapterMemory(PVBOXMP_COMMON pCommon, void **ppv, uint32_t ulOffset, uint32_t ulSize)
{
PVBOXMP_DEVEXT pPEXT = VBoxCommonToPrimaryExt(pCommon);
LOGF(("0x%08X[0x%X]", ulOffset, ulSize));
if (!ulSize)
{
WARN(("Illegal length 0!"));
return ERROR_INVALID_PARAMETER;
}
PHYSICAL_ADDRESS FrameBuffer;
FrameBuffer.QuadPart = VBoxCommonFromDeviceExt(pPEXT)->phVRAM.QuadPart + ulOffset;
PVOID VideoRamBase = NULL;
ULONG VideoRamLength = ulSize;
VP_STATUS Status;
#ifndef VBOX_WITH_WDDM
ULONG inIoSpace = 0;
Status = VideoPortMapMemory(pPEXT, FrameBuffer, &VideoRamLength, &inIoSpace, &VideoRamBase);
#else
NTSTATUS ntStatus = pPEXT->u.primary.DxgkInterface.DxgkCbMapMemory(pPEXT->u.primary.DxgkInterface.DeviceHandle,
FrameBuffer,
VideoRamLength,
FALSE, /* IN BOOLEAN InIoSpace */
FALSE, /* IN BOOLEAN MapToUserMode */
MmNonCached, /* IN MEMORY_CACHING_TYPE CacheType */
&VideoRamBase /*OUT PVOID *VirtualAddress*/
);
Assert(ntStatus == STATUS_SUCCESS);
/* this is what VideoPortMapMemory returns according to the docs */
Status = ntStatus == STATUS_SUCCESS ? NO_ERROR : ERROR_INVALID_PARAMETER;
#endif
if (Status == NO_ERROR)
{
*ppv = VideoRamBase;
}
LOGF(("rc = %d", Status));
return (Status==NO_ERROR) ? VINF_SUCCESS:VERR_INVALID_PARAMETER;
}
/* Called for IOCTL_VIDEO_SHARE_VIDEO_MEMORY.
* Maps FrameBuffer as a linear frame buffer to a caller's virtual adress space. (obsolete).
*/
BOOLEAN VBoxMPShareVideoMemory(PVBOXMP_DEVEXT pExt, PVIDEO_SHARE_MEMORY pShareMem,
PVIDEO_SHARE_MEMORY_INFORMATION pShareMemInfo, PSTATUS_BLOCK pStatus)
{
PHYSICAL_ADDRESS shareAddress;
ULONG inIoSpace = 0;
ULONG offset, size;
PVOID virtualAddress;
ULONG ulMaxFBSize;
LOGF_ENTER();
ulMaxFBSize = pExt->pPrimary->u.primary.ulMaxFrameBufferSize;
offset = pShareMem->ViewOffset;
size = pShareMem->ViewSize;
virtualAddress = pShareMem->ProcessHandle;
VBOXMPIOCTL_HIDE(pShareMem);
if ((offset>ulMaxFBSize) || ((offset+size)>ulMaxFBSize))
{
WARN(("share failed offset:size(%#x:%#x) > %#x fb size.", offset, size, ulMaxFBSize));
pStatus->Status = ERROR_INVALID_PARAMETER;
return FALSE;
}
shareAddress.QuadPart = VBoxCommonFromDeviceExt(pExt)->phVRAM.QuadPart + pExt->ulFrameBufferOffset;
pStatus->Status = VideoPortMapMemory(pExt, shareAddress, &size, &inIoSpace, &virtualAddress);
if (NO_ERROR == pStatus->Status)
{
pShareMemInfo->SharedViewOffset = offset;
pShareMemInfo->SharedViewSize = size;
pShareMemInfo->VirtualAddress = virtualAddress;
pStatus->Information = sizeof(VIDEO_SHARE_MEMORY_INFORMATION);
}
VBOXMPIOCTL_UNHIDE();
LOGF_LEAVE();
return NO_ERROR == pStatus->Status;
}
/* Called for IOCTL_VIDEO_MAP_VIDEO_MEMORY.
* Maps FrameBuffer and video RAM to a caller's virtual adress space.
*/
BOOLEAN VBoxMPMapVideoMemory(PVBOXMP_DEVEXT pExt, PVIDEO_MEMORY pRequestedAddress,
PVIDEO_MEMORY_INFORMATION pMapInfo, PSTATUS_BLOCK pStatus)
{
PHYSICAL_ADDRESS framebuffer;
ULONG inIoSpace = 0;
LOGF(("framebuffer offset %#x", pExt->ulFrameBufferOffset));
framebuffer.QuadPart = VBoxCommonFromDeviceExt(pExt)->phVRAM.QuadPart + pExt->ulFrameBufferOffset;
pMapInfo->VideoRamBase = pRequestedAddress->RequestedVirtualAddress;
VBOXMPIOCTL_HIDE(pRequestedAddress);
pMapInfo->VideoRamLength = pExt->pPrimary->u.primary.ulMaxFrameBufferSize;
pStatus->Status = VideoPortMapMemory(pExt, framebuffer, &pMapInfo->VideoRamLength,
&inIoSpace, &pMapInfo->VideoRamBase);
if (NO_ERROR == pStatus->Status)
{
pMapInfo->FrameBufferBase = (PUCHAR)pMapInfo->VideoRamBase;
pMapInfo->FrameBufferLength =
VBoxMPXpdmCurrentVideoMode(pExt)->VisScreenHeight*
VBoxMPXpdmCurrentVideoMode(pExt)->ScreenStride;
pStatus->Information = sizeof(VIDEO_MEMORY_INFORMATION);
/* Save the new framebuffer size */
pExt->ulFrameBufferSize = pMapInfo->FrameBufferLength;
HGSMIAreaInitialize(&pExt->areaDisplay, pMapInfo->FrameBufferBase,
pMapInfo->FrameBufferLength, pExt->ulFrameBufferOffset);
}
VBOXMPIOCTL_UNHIDE();
LOGF_LEAVE();
return NO_ERROR == pStatus->Status;
}
BOOLEAN
DGXStartIO(
PVOID HwDeviceExtension,
PVIDEO_REQUEST_PACKET RequestPacket
)
/*++
Routine Description:
This routine is the main execution routine for the miniport driver. It
acceptss a Video Request Packet, performs the request, and then returns
with the appropriate status.
Arguments:
HwDeviceExtension - Supplies a pointer to the miniport's device extension.
RequestPacket - Pointer to the video request packet. This structure
contains all the parameters passed to the VideoIoControl function.
Return Value:
--*/
{
PHW_DEVICE_EXTENSION hwDeviceExtension = HwDeviceExtension;
VP_STATUS status;
PVIDEO_MODE_INFORMATION modeInformation;
PVIDEO_MEMORY_INFORMATION memoryInformation;
ULONG inIoSpace, ulTemp;
PVIDEO_CLUT clutBuffer;
ULONG modeNumber;
PVIDEO_SHARE_MEMORY pShareMemory;
PVIDEO_SHARE_MEMORY_INFORMATION pShareMemoryInformation;
PHYSICAL_ADDRESS shareAddress;
PVOID virtualAddress;
ULONG sharedViewSize;
//
// Switch on the IoContolCode in the RequestPacket. It indicates which
// function must be performed by the driver.
//
switch (RequestPacket->IoControlCode) {
case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
VideoDebugPrint((2, "DGXStartIO - ShareVideoMemory\n"));
if ( (RequestPacket->OutputBufferLength < sizeof(VIDEO_SHARE_MEMORY_INFORMATION)) ||
(RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY)) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
pShareMemory = RequestPacket->InputBuffer;
if ( (pShareMemory->ViewOffset > hwDeviceExtension->FrameLength) ||
((pShareMemory->ViewOffset + pShareMemory->ViewSize) >
hwDeviceExtension->FrameLength) ) {
status = ERROR_INVALID_PARAMETER;
break;
}
RequestPacket->StatusBlock->Information =
sizeof(VIDEO_SHARE_MEMORY_INFORMATION);
//
// Beware: the input buffer and the output buffer are the same
// buffer, and therefore data should not be copied from one to the
// other
//
virtualAddress = pShareMemory->ProcessHandle;
sharedViewSize = pShareMemory->ViewSize;
inIoSpace = 0;
//
// NOTE: we are ignoring ViewOffset
//
shareAddress.QuadPart =
hwDeviceExtension->PhysicalFrameAddress.QuadPart;
status = VideoPortMapMemory(hwDeviceExtension,
shareAddress,
&sharedViewSize,
&inIoSpace,
&virtualAddress);
pShareMemoryInformation = RequestPacket->OutputBuffer;
pShareMemoryInformation->SharedViewOffset = pShareMemory->ViewOffset;
pShareMemoryInformation->VirtualAddress = virtualAddress;
pShareMemoryInformation->SharedViewSize = sharedViewSize;
break;
case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
VideoDebugPrint((2, "DGXStartIO - UnshareVideoMemory\n"));
if (RequestPacket->InputBufferLength < sizeof(VIDEO_SHARE_MEMORY)) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
pShareMemory = RequestPacket->InputBuffer;
status = VideoPortUnmapMemory(hwDeviceExtension,
pShareMemory->RequestedVirtualAddress,
pShareMemory->ProcessHandle);
break;
case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
VideoDebugPrint((2, "DGXStartIO - MapVideoMemory\n"));
if ( (RequestPacket->OutputBufferLength < sizeof(VIDEO_MEMORY_INFORMATION)) ||
(RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY)) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
RequestPacket->StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
memoryInformation = RequestPacket->OutputBuffer;
memoryInformation->VideoRamBase = ((PVIDEO_MEMORY)
(RequestPacket->InputBuffer))->RequestedVirtualAddress;
memoryInformation->VideoRamLength = hwDeviceExtension->FrameLength;
inIoSpace = 0;
status = VideoPortMapMemory(hwDeviceExtension,
hwDeviceExtension->PhysicalFrameAddress,
&(memoryInformation->VideoRamLength),
&inIoSpace,
&(memoryInformation->VideoRamBase));
//
// The frame buffer and virtual memory and equivalent in this
// case.
//
memoryInformation->FrameBufferBase = memoryInformation->VideoRamBase;
memoryInformation->FrameBufferLength = memoryInformation->VideoRamLength;
break;
case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
VideoDebugPrint((2, "DGXStartIO - UnMapVideoMemory\n"));
if (RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY)) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
status = VideoPortUnmapMemory(hwDeviceExtension,
((PVIDEO_MEMORY)
(RequestPacket->InputBuffer))->
RequestedVirtualAddress,
0);
}
break;
case IOCTL_VIDEO_QUERY_CURRENT_MODE:
VideoDebugPrint((2, "DGXStartIO - QueryCurrentModes\n"));
modeInformation = RequestPacket->OutputBuffer;
if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION)) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
RequestPacket->StatusBlock->Information = sizeof(VIDEO_MODE_INFORMATION);
*((PVIDEO_MODE_INFORMATION)RequestPacket->OutputBuffer) =
DGXModes[hwDeviceExtension->CurrentModeNumber].modeInformation;
status = NO_ERROR;
}
break;
case IOCTL_VIDEO_QUERY_AVAIL_MODES:
{
UCHAR i;
VideoDebugPrint((2, "DGXStartIO - QueryAvailableModes\n"));
if (RequestPacket->OutputBufferLength <
hwDeviceExtension->NumValidModes * sizeof(VIDEO_MODE_INFORMATION)) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
RequestPacket->StatusBlock->Information =
hwDeviceExtension->NumValidModes * sizeof(VIDEO_MODE_INFORMATION);
modeInformation = RequestPacket->OutputBuffer;
for (i = 0; i < NumDGXModes; i++) {
if (DGXModes[i].bValid) {
*modeInformation = DGXModes[i].modeInformation;
modeInformation++;
}
}
status = NO_ERROR;
}
break;
}
case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
VideoDebugPrint((2, "DGXStartIO - QueryNumAvailableModes\n"));
//
// Find out the size of the data to be put in the the buffer and
// return that in the status information (whether or not the
// information is there). If the buffer passed in is not large
// enough return an appropriate error code.
//
// WARNING: This must be changed to take into account which monitor
// is present on the machine.
//
if (RequestPacket->OutputBufferLength < sizeof(VIDEO_NUM_MODES)) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
RequestPacket->StatusBlock->Information = sizeof(VIDEO_NUM_MODES);
((PVIDEO_NUM_MODES)RequestPacket->OutputBuffer)->NumModes =
hwDeviceExtension->NumValidModes;
((PVIDEO_NUM_MODES)RequestPacket->OutputBuffer)->ModeInformationLength =
sizeof(VIDEO_MODE_INFORMATION);
status = NO_ERROR;
}
break;
case IOCTL_VIDEO_SET_CURRENT_MODE:
VideoDebugPrint((2, "DGXStartIO - SetCurrentMode\n"));
//
// verify data
// WARNING: Make sure it is one of the valid modes on the list
// calculated using the monitor information.
//
modeNumber = ((PVIDEO_MODE)(RequestPacket->InputBuffer))->RequestedMode;
if ( (modeNumber >= hwDeviceExtension->NumValidModes) ||
(!DGXModes[modeNumber].bValid) ) {
status = ERROR_INVALID_PARAMETER;
break;
}
DevInitDGX(hwDeviceExtension,
(PULONG)DGXModes[modeNumber].pVData,
DGXModes[modeNumber].Count);
if (DGXModes[modeNumber].modeInformation.BitsPerPlane == 16) {
DevSet16BppPalette(hwDeviceExtension);
}
hwDeviceExtension->CurrentModeNumber = modeNumber;
status = NO_ERROR;
break;
case IOCTL_VIDEO_SET_COLOR_REGISTERS:
VideoDebugPrint((2, "DGXStartIO - SetColorRegs\n"));
clutBuffer = RequestPacket->InputBuffer;
//
// Check if the size of the data in the input buffer is large enough.
//
if ( (RequestPacket->InputBufferLength < sizeof(VIDEO_CLUT) -
sizeof(ULONG)) ||
(RequestPacket->InputBufferLength < sizeof(VIDEO_CLUT) +
(sizeof(ULONG) * (clutBuffer->NumEntries - 1)) ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
if (DGXModes[hwDeviceExtension->CurrentModeNumber].
modeInformation.BitsPerPlane == 8) {
DevSetPalette(hwDeviceExtension,
(PULONG)clutBuffer->LookupTable,
clutBuffer->FirstEntry,
clutBuffer->NumEntries);
status = NO_ERROR;
}
break;
case IOCTL_VIDEO_ENABLE_POINTER:
VideoDebugPrint((2, "DGXStartIO - EnablePointer\n"));
ulTemp = *hwDeviceExtension->pControlRegA;
ulTemp &= ~DAC_DISABLEPOINTER;
DacDelay();
*hwDeviceExtension->pControlRegA = ulTemp;
status = NO_ERROR;
break;
case IOCTL_VIDEO_DISABLE_POINTER:
VideoDebugPrint((2, "DGXStartIO - DisablePointer\n"));
DevPointerOff(hwDeviceExtension);
status = NO_ERROR;
break;
case IOCTL_VIDEO_SET_POINTER_POSITION:
{
PVIDEO_POINTER_POSITION pointerPosition;
VideoDebugPrint((2, "DGXStartIO - SetpointerPostion\n"));
pointerPosition = RequestPacket->InputBuffer;
//
// Check if the size of the data in the input buffer is large enough.
//
if (RequestPacket->InputBufferLength < sizeof(VIDEO_POINTER_POSITION)) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
hwDeviceExtension->ulPointerX = (ULONG)pointerPosition->Row;
hwDeviceExtension->ulPointerY = (ULONG)pointerPosition->Column;
DevSetPointerPos(hwDeviceExtension,
(ULONG)pointerPosition->Column,
(ULONG)pointerPosition->Row);
status = NO_ERROR;
}
break;
}
case IOCTL_VIDEO_QUERY_POINTER_POSITION:
{
PVIDEO_POINTER_POSITION pPointerPosition = RequestPacket->OutputBuffer;
VideoDebugPrint((2, "DGXStartIO - QuerypointerPostion\n"));
//
// Make sure the output buffer is big enough.
//
if (RequestPacket->OutputBufferLength < sizeof(VIDEO_POINTER_POSITION)) {
RequestPacket->StatusBlock->Information = 0;
return ERROR_INSUFFICIENT_BUFFER;
}
//
// Return the pointer position
//
RequestPacket->StatusBlock->Information = sizeof(VIDEO_POINTER_POSITION);
pPointerPosition->Row = (SHORT)hwDeviceExtension->ulPointerX;
pPointerPosition->Column = (SHORT)hwDeviceExtension->ulPointerY;
status = NO_ERROR;
break;
}
case IOCTL_VIDEO_SET_POINTER_ATTR:
{
PVIDEO_POINTER_ATTRIBUTES pointerAttributes;
USHORT *pHWCursorShape; // Temp Buffer
USHORT *pHWCursorAddr; // DAC buffer
ULONG iCount = 512;
VideoDebugPrint((2, "DGXStartIO - SetPointerAttributes\n"));
pointerAttributes = RequestPacket->InputBuffer;
//
// Check if the size of the data in the input buffer is large enough.
//
if (RequestPacket->InputBufferLength <
(sizeof(VIDEO_POINTER_ATTRIBUTES) + ((sizeof(UCHAR) *
(CURSOR_WIDTH/8) * CURSOR_HEIGHT) * 2))) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
//
// If the specified cursor width or height is not valid, then
// return an invalid parameter error.
//
if ((pointerAttributes->Width > CURSOR_WIDTH) ||
(pointerAttributes->Height > CURSOR_HEIGHT)) {
status = ERROR_INVALID_PARAMETER;
break;
}
//
// Try to copy the pointer to our buffer. When we copy it
// we convert it to our 2bpp format. If sucessfull, then
// copy it to the DAC and set the position.
//
if (!(pointerAttributes->Flags & VIDEO_MODE_ANIMATE_UPDATE)) {
DevPointerOff(hwDeviceExtension);
}
if (pointerAttributes->Flags & VIDEO_MODE_MONO_POINTER) {
if (CopyMonoCursor(hwDeviceExtension,
(PUCHAR)&pointerAttributes->Pixels[0])) {
pHWCursorAddr = (USHORT *)hwDeviceExtension->pHardWareCursorAddr;
pHWCursorShape = (USHORT *)&hwDeviceExtension->HardwareCursorShape[0];
while (iCount--) {
*pHWCursorAddr++ = *pHWCursorShape++;
pHWCursorAddr++;
DacDelay();
}
DevSetPointerPos(hwDeviceExtension,
(ULONG)pointerAttributes->Column,
(ULONG)pointerAttributes->Row);
status = NO_ERROR;
break;
}
}
//
// Something failed. Remove the current HW Cursor.
//
DevPointerOff(hwDeviceExtension);
status = ERROR_INVALID_PARAMETER;
break;
}
case IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES:
{
PVIDEO_POINTER_CAPABILITIES pointerCaps = RequestPacket->OutputBuffer;
VideoDebugPrint((2, "DGXStartIO - QueryPointerCapabilities\n"));
if (RequestPacket->OutputBufferLength < sizeof(VIDEO_POINTER_CAPABILITIES)) {
RequestPacket->StatusBlock->Information = 0;
status = ERROR_INSUFFICIENT_BUFFER;
}
pointerCaps->Flags = VIDEO_MODE_ASYNC_POINTER | VIDEO_MODE_MONO_POINTER;
pointerCaps->MaxWidth = CURSOR_WIDTH;
pointerCaps->MaxHeight = CURSOR_HEIGHT;
pointerCaps->HWPtrBitmapStart = 0; // No VRAM storage for pointer
pointerCaps->HWPtrBitmapEnd = 0;
//
// Number of bytes we're returning.
//
RequestPacket->StatusBlock->Information = sizeof(VIDEO_POINTER_CAPABILITIES);
status = NO_ERROR;
break;
}
case IOCTL_VIDEO_RESET_DEVICE:
VideoDebugPrint((2, "DGXStartIO - RESET_DEVICE\n"));
DevDisableDGX(hwDeviceExtension);
status = NO_ERROR;
break;
//
// if we get here, an invalid IoControlCode was specified.
//
default:
VideoDebugPrint((1, "Fell through DGX startIO routine - invalid command\n"));
status = ERROR_INVALID_FUNCTION;
break;
}
RequestPacket->StatusBlock->Status = status;
return TRUE;
} // end DGXStartIO() z
VP_STATUS MapVideoMemory_m(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr)
{
PVIDEO_MEMORY_INFORMATION memoryInformation;
ULONG inIoSpace; /* Scratch variable used by VideoPortMapMemory() */
VP_STATUS status; /* Error code obtained from O/S calls */
memoryInformation = RequestPacket->OutputBuffer;
memoryInformation->VideoRamBase = ((PVIDEO_MEMORY)
(RequestPacket->InputBuffer))->RequestedVirtualAddress;
/*
* The VideoRamLength field contains the amount of video memory
* on the card. The FrameBufferLength field contains the
* size of the aperture in bytes
*
* Initially assume that the linear aperture is available.
* For our 8514/A-compatible cards, we always enable a 4M aperture
* if the LFB is available, so map the full 4M even if the
* aperture size is greater than the amount of video memory.
*/
memoryInformation->VideoRamLength = phwDeviceExtension->VideoRamSize;
memoryInformation->FrameBufferLength = 4 * ONE_MEG;
/*
* If the linear aperture is not available (==0), and we are
* dealing with a card which can use the VGA 64k aperture,
* map it in.
*/
if (QueryPtr->q_aperture_cfg == 0)
{
if ((phwDeviceExtension->ModelNumber == MACH32_ULTRA) &&
(QueryPtr->q_VGA_type == 1))
{
phwDeviceExtension->FrameLength = 0x10000;
phwDeviceExtension->PhysicalFrameAddress.LowPart = 0x0A0000;
memoryInformation->FrameBufferLength = phwDeviceExtension->FrameLength;
}
else{
/*
* This card can't use either linear or VGA aperture.
* Set frame buffer size to zero and return.
*/
memoryInformation->VideoRamBase = 0;
memoryInformation->FrameBufferLength = 0;
memoryInformation->FrameBufferBase = 0;
return NO_ERROR;
}
}
inIoSpace = 0;
#if 0 /* defined(ALPHA) if display driver can handle dense LFB */
if (QueryPtr->q_bus_type == BUS_PCI)
inIoSpace = 4;
#endif
status = VideoPortMapMemory(phwDeviceExtension,
phwDeviceExtension->PhysicalFrameAddress,
&(memoryInformation->FrameBufferLength),
&inIoSpace,
&(memoryInformation->VideoRamBase));
memoryInformation->FrameBufferBase = memoryInformation->VideoRamBase;
return status;
} /* MapVideoMemory_m() */
VP_STATUS ShareVideoMemory_m(PVIDEO_REQUEST_PACKET RequestPacket, struct query_structure *QueryPtr)
{
PVIDEO_SHARE_MEMORY InputPtr; /* Pointer to input structure */
PVIDEO_SHARE_MEMORY_INFORMATION OutputPtr; /* Pointer to output structure */
PHYSICAL_ADDRESS ShareAddress; /* Physical address of video memory */
PVOID VirtualAddress; /* Virtual address to map video memory at */
ULONG SharedViewSize; /* Size of block to share */
ULONG SpaceType; /* Sparse or dense space? */
VP_STATUS Status; /* Status to return */
/*
* We can only share the aperture with application programs if there
* is an aperture available. If both the LFB and the on-board VGA
* and therefore the VGA aperture) are disabled, report that we
* can't share the aperture.
*/
if ((QueryPtr->q_aperture_cfg == 0) && (QueryPtr->q_VGA_type == 0))
return ERROR_INVALID_FUNCTION;
InputPtr = RequestPacket->InputBuffer;
if ((InputPtr->ViewOffset > phwDeviceExtension->VideoRamSize) ||
((InputPtr->ViewOffset + InputPtr->ViewSize) > phwDeviceExtension->VideoRamSize))
{
VideoDebugPrint((DEBUG_ERROR, "ShareVideoMemory_m() - access beyond video memory\n"));
return ERROR_INVALID_PARAMETER;
}
RequestPacket->StatusBlock->Information = sizeof(VIDEO_SHARE_MEMORY_INFORMATION);
/*
* Beware: the input buffer and the output buffer are the same buffer,
* and therefore data should not be copied from one to the other.
*/
VirtualAddress = InputPtr->ProcessHandle;
SharedViewSize = InputPtr->ViewSize;
SpaceType = 0;
#if defined(_ALPHA_)
/*
* Use dense space mapping whenever we can, because that will
* allow us to support DCI and direct GDI access.
*
* Dense space is extremely slow with ISA cards on the newer Alphas,
* because any byte- or word-write requires a read/modify/write
* operation, and the ALpha can only ever do 64-bit reads when in
* dense mode. As a result, these operations would always require
* 4 reads and 2 writes on the ISA bus. Also, some older Alphas
* don't support dense space mapping.
*
* Any Alpha that supports PCI can support dense space mapping, and
* because the bus is wider and faster, the read/modify/write has
* less of an impact on performance.
*/
if (QueryPtr->q_bus_type == BUS_PCI)
SpaceType = 4;
#endif
/*
* NOTE: we are ignoring ViewOffset
*/
ShareAddress.QuadPart = phwDeviceExtension->PhysicalFrameAddress.QuadPart;
/*
* If the LFB is enabled, use ordinary mapping. If we have only
* the paged aperture, we must map to banked memory. Since the
* LFB is always aligned on a 1M boundary (4M boundary for 4M
* aperture), this check for the paged aperture will never falsely
* detect a LFB as paged.
*/
if (phwDeviceExtension->PhysicalFrameAddress.LowPart == 0x0A0000)
{
/*
* On some versions of the DDK, VideoPortMapBankedMemory() is
* not available. If this is the case, force an error.
* This routine should be available in all versions of
* the DDK which support DCI, since it is used for DCI
* support on cards with banked apertures.
*/
#if defined(IOCTL_VIDEO_SHARE_VIDEO_MEMORY)
Status = VideoPortMapBankedMemory(
phwDeviceExtension,
ShareAddress,
&SharedViewSize,
&SpaceType,
&VirtualAddress,
0x10000, /* 64k VGA aperture */
FALSE, /* No separate read/write banks */
BankMap_m, /* Our bank-mapping routine */
(PVOID) phwDeviceExtension);
#else
Status = ERROR_INVALID_FUNCTION;
#endif
}
else /* LFB */
{
Status = VideoPortMapMemory(phwDeviceExtension,
ShareAddress,
&SharedViewSize,
&SpaceType,
&VirtualAddress);
}
OutputPtr = RequestPacket->OutputBuffer;
OutputPtr->SharedViewOffset = InputPtr->ViewOffset;
OutputPtr->VirtualAddress = VirtualAddress;
OutputPtr->SharedViewSize = SharedViewSize;
return Status;
} /* ShareVideoMemory_m() */
/* Main I/O request handler routine. */
BOOLEAN HwVidStartIO( PVOID HwDevExt, PVIDEO_REQUEST_PACKET ReqPkt )
{
PHW_DEV_EXT pExt = HwDevExt;
VP_STATUS status = NO_ERROR;
PVIDEO_MODE_INFORMATION modeInfo;
PVIDEO_MEMORY vidMem;
PVIDEO_SHARE_MEMORY pShrMem;
PVOID virtualAddress;
ULONG inIoSpace;
ULONG modeNumber;
ULONG ulLen;
ULONG i;
VideoDebugPrint( (2, "videomp: HwVidStartIO: ") );
/* Process the VRP. Required requests are handled first. */
switch( ReqPkt->IoControlCode ) {
case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
{
PVIDEO_NUM_MODES numModes;
VideoDebugPrint( (2, "QUERY_NUM_AVAIL_MODES\n") );
if( ReqPkt->OutputBufferLength < sizeof( VIDEO_NUM_MODES ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
ReqPkt->StatusBlock->Information = sizeof( VIDEO_NUM_MODES );
numModes = (PVIDEO_NUM_MODES)ReqPkt->OutputBuffer;
numModes->ModeInformationLength = sizeof( VIDEO_MODE_INFORMATION );
numModes->NumModes = pExt->NumValidModes;
}
break;
}
case IOCTL_VIDEO_QUERY_AVAIL_MODES:
VideoDebugPrint( (2, "QUERY_AVAIL_MODES\n") );
ulLen = pExt->NumValidModes * sizeof( VIDEO_MODE_INFORMATION );
if( ReqPkt->OutputBufferLength < ulLen ) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
ReqPkt->StatusBlock->Information = ulLen;
modeInfo = ReqPkt->OutputBuffer;
for( i = 0; i < ulAllModes; ++i ) {
if( VideoModes[i].bValid ) {
vmpFillModeInfo( modeInfo, VideoModes[i].HorzRes,
VideoModes[i].VertRes, VideoModes[i].Bpp );
modeInfo->ModeIndex = i; //VideoModes[i].modeInformation.ModeIndex;
modeInfo++;
}
}
}
break;
case IOCTL_VIDEO_QUERY_CURRENT_MODE:
VideoDebugPrint( (2, "QUERY_CURRENT_MODE\n") );
if( ReqPkt->OutputBufferLength < sizeof( VIDEO_MODE_INFORMATION ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
ReqPkt->StatusBlock->Information = sizeof( VIDEO_MODE_INFORMATION );
modeInfo = ReqPkt->OutputBuffer;
vmpFillModeInfo( modeInfo,
VideoModes[pExt->CurrentModeNumber].HorzRes,
VideoModes[pExt->CurrentModeNumber].VertRes,
VideoModes[pExt->CurrentModeNumber].Bpp );
modeInfo->ModeIndex = pExt->CurrentModeNumber; //VideoModes[pExt->CurrentModeNumber].modeInformation.ModeIndex;
}
break;
case IOCTL_VIDEO_SET_CURRENT_MODE:
VideoDebugPrint( (2, "SET_CURRENT_MODE\n") );
/* Ensure the mode is valid. */
modeNumber = ((PVIDEO_MODE)(ReqPkt->InputBuffer))->RequestedMode;
if( (modeNumber > ulAllModes) || (!VideoModes[modeNumber].bValid) ) {
status = ERROR_INVALID_PARAMETER;
break;
}
BOXV_ext_mode_set( pExt, VideoModes[modeNumber].HorzRes,
VideoModes[modeNumber].VertRes, VideoModes[modeNumber].Bpp,
VideoModes[modeNumber].HorzRes, VideoModes[modeNumber].VertRes );
pExt->CurrentModeNumber = modeNumber;
break;
case IOCTL_VIDEO_RESET_DEVICE:
VideoDebugPrint( (2, "RESET_DEVICE\n") );
/* Not calling the following routine avoids some visual glitches. */
/* BOXV_ext_disable( pExt ); */
break;
case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
{
PVIDEO_MEMORY_INFORMATION memInfo;
VideoDebugPrint( (2, "MAP_VIDEO_MEMORY\n") );
if( (ReqPkt->OutputBufferLength < sizeof( VIDEO_MEMORY_INFORMATION )) ||
(ReqPkt->InputBufferLength < sizeof( VIDEO_MEMORY )) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
ReqPkt->StatusBlock->Information = sizeof( VIDEO_MEMORY_INFORMATION );
vidMem = (PVIDEO_MEMORY)ReqPkt->InputBuffer;
memInfo = ReqPkt->OutputBuffer;
inIoSpace = FALSE;
memInfo->VideoRamBase = vidMem->RequestedVirtualAddress;
memInfo->VideoRamLength = pExt->FramebufLen;
status = VideoPortMapMemory( pExt, pExt->PhysicalFrameAddress,
&memInfo->VideoRamLength, &inIoSpace,
&memInfo->VideoRamBase );
/* The framebuffer covers the entire video memory. */
memInfo->FrameBufferBase = memInfo->VideoRamBase;
memInfo->FrameBufferLength = memInfo->VideoRamLength;
break;
}
case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
VideoDebugPrint( (2, "UNMAP_VIDEO_MEMORY\n") );
if( ReqPkt->InputBufferLength < sizeof( VIDEO_MEMORY ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
} else {
vidMem = (PVIDEO_MEMORY)ReqPkt->InputBuffer;
status = VideoPortUnmapMemory( pExt,
vidMem->RequestedVirtualAddress,
0 );
}
break;
/* The following request is required for palettized modes. */
case IOCTL_VIDEO_SET_COLOR_REGISTERS:
{
PVIDEO_CLUT clutBuffer;
VideoDebugPrint( (2, "SET_COLOR_REGISTERS\n") );
clutBuffer = ReqPkt->InputBuffer;
if( (ReqPkt->InputBufferLength < sizeof( VIDEO_CLUT ) - sizeof( ULONG )) ||
(ReqPkt->InputBufferLength < sizeof( VIDEO_CLUT ) +
(sizeof( ULONG ) * (clutBuffer->NumEntries - 1)) ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
if( VideoModes[pExt->CurrentModeNumber].Bpp == 8 ) {
BOXV_dac_set( pExt, clutBuffer->FirstEntry, clutBuffer->NumEntries,
clutBuffer->LookupTable );
}
break;
}
/* The following requests are optional. */
case IOCTL_VIDEO_QUERY_POINTER_CAPABILITIES:
{
PVIDEO_POINTER_CAPABILITIES ptrCaps = ReqPkt->OutputBuffer;
VideoDebugPrint( (2, "QUERY_POINTER_CAPABILITIES\n") );
if( ReqPkt->OutputBufferLength < sizeof( VIDEO_POINTER_CAPABILITIES ) ) {
ReqPkt->StatusBlock->Information = 0;
status = ERROR_INSUFFICIENT_BUFFER;
}
ptrCaps->Flags = 0; /* Indicate no pointer support. */
ptrCaps->MaxWidth = ptrCaps->MaxHeight = 0;
/* Documentation and sample code disagree on whether no display
* memory for cursor is indicated by 0 or -1.
*/
ptrCaps->HWPtrBitmapStart = ptrCaps->HWPtrBitmapEnd = ~0;
ReqPkt->StatusBlock->Information = sizeof( VIDEO_POINTER_CAPABILITIES );
break;
}
/* The share/unshare IOCTLs are new for NT 3.51. */
case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
{
PVIDEO_SHARE_MEMORY_INFORMATION pShrMemInfo;
PHYSICAL_ADDRESS shareAddress;
ULONG sharedViewSize;
VideoDebugPrint( (2, "SHARE_VIDEO_MEMORY\n") );
if( (ReqPkt->OutputBufferLength < sizeof( VIDEO_SHARE_MEMORY_INFORMATION )) ||
(ReqPkt->InputBufferLength < sizeof( VIDEO_MEMORY )) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
pShrMem = ReqPkt->InputBuffer;
if( (pShrMem->ViewOffset > pExt->FramebufLen) ||
((pShrMem->ViewOffset + pShrMem->ViewSize) > pExt->FramebufLen) ) {
status = ERROR_INVALID_PARAMETER;
break;
}
ReqPkt->StatusBlock->Information = sizeof( VIDEO_SHARE_MEMORY_INFORMATION );
/* The input buffer is also the output buffer; remember the input. */
virtualAddress = pShrMem->ProcessHandle;
sharedViewSize = pShrMem->ViewSize;
inIoSpace = FALSE;
/* NB: ViewOffset is not being taken into account. */
shareAddress.QuadPart = pExt->PhysicalFrameAddress.QuadPart;
status = VideoPortMapMemory( pExt, shareAddress,
&sharedViewSize, &inIoSpace,
&virtualAddress );
pShrMemInfo = ReqPkt->OutputBuffer;
pShrMemInfo->SharedViewOffset = pShrMem->ViewOffset;
pShrMemInfo->VirtualAddress = virtualAddress;
pShrMemInfo->SharedViewSize = sharedViewSize;
break;
}
case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
VideoDebugPrint( (2, "UNSHARE_VIDEO_MEMORY\n") );
if( ReqPkt->InputBufferLength < sizeof( VIDEO_SHARE_MEMORY ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
pShrMem = ReqPkt->InputBuffer;
status = VideoPortUnmapMemory( pExt, pShrMem->RequestedVirtualAddress,
pShrMem->ProcessHandle );
break;
/* The child state IOCTLs are new for NT 5.0 (Windows 2000). */
case IOCTL_VIDEO_GET_CHILD_STATE:
{
PULONG pChildIndex;
PULONG pChildState;
VideoDebugPrint( (2, "GET_CHILD_STATE\n") );
if( ReqPkt->InputBufferLength < sizeof( ULONG ) ||
ReqPkt->OutputBufferLength < sizeof( ULONG ) ) {
status = ERROR_INSUFFICIENT_BUFFER;
break;
}
pChildIndex = ReqPkt->InputBuffer;
pChildState = ReqPkt->OutputBuffer;
/* Always say the child is active. */
*pChildState = VIDEO_CHILD_ACTIVE;
break;
}
/* Any other request is invalid and fails. */
default:
VideoDebugPrint( (1, "Unhandled IoControlCode %08x!\n", ReqPkt->IoControlCode) );
status = ERROR_INVALID_FUNCTION;
break;
}
ReqPkt->StatusBlock->Status = status;
return( TRUE );
}
