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- Implemented IOCTL_VIDEO_MAP_VIDEO_MEMORY/IOCTL_VIDEO_UNMAP_VIDEO_MEMORY.

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svn path=/trunk/; revision=8766
This commit is contained in:
David Welch 2004-03-16 21:06:20 +00:00
parent bf87266d08
commit 32a05a4377
1 changed files with 38 additions and 8 deletions
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46
reactos/drivers/video/miniport/vga/vgamp.c
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@ -34,7 +34,8 @@ VGATimer(PVOID DeviceExtension);
*/ */
/* Mandatory IoControl routines */ /* Mandatory IoControl routines */
VOID VGAMapVideoMemory(IN PVIDEO_MEMORY RequestedAddress, VOID VGAMapVideoMemory(IN PVOID DeviceExtension,
IN PVIDEO_MEMORY RequestedAddress,
OUT PVIDEO_MEMORY_INFORMATION MapInformation, OUT PVIDEO_MEMORY_INFORMATION MapInformation,
OUT PSTATUS_BLOCK StatusBlock); OUT PSTATUS_BLOCK StatusBlock);
VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes, VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
@ -53,7 +54,8 @@ VOID VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory, VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory, OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
OUT PSTATUS_BLOCK StatusBlock); OUT PSTATUS_BLOCK StatusBlock);
VOID VGAUnmapVideoMemory(IN PVIDEO_MEMORY MemoryToUnmap, VOID VGAUnmapVideoMemory(IN PVOID DeviceExtension,
IN PVIDEO_MEMORY MemoryToUnmap,
OUT PSTATUS_BLOCK StatusBlock); OUT PSTATUS_BLOCK StatusBlock);
VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare, VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
OUT PSTATUS_BLOCK StatusBlock); OUT PSTATUS_BLOCK StatusBlock);
@ -219,7 +221,8 @@ VGAStartIO(PVOID DeviceExtension,
switch (RequestPacket->IoControlCode) switch (RequestPacket->IoControlCode)
{ {
case IOCTL_VIDEO_MAP_VIDEO_MEMORY: case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
VGAMapVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer, VGAMapVideoMemory(DeviceExtension,
(PVIDEO_MEMORY) RequestPacket->InputBuffer,
(PVIDEO_MEMORY_INFORMATION) (PVIDEO_MEMORY_INFORMATION)
RequestPacket->OutputBuffer, RequestPacket->OutputBuffer,
RequestPacket->StatusBlock); RequestPacket->StatusBlock);
@ -261,7 +264,8 @@ VGAStartIO(PVOID DeviceExtension,
break; break;
case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY: case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
VGAUnmapVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer, VGAUnmapVideoMemory(DeviceExtension,
(PVIDEO_MEMORY) RequestPacket->InputBuffer,
RequestPacket->StatusBlock); RequestPacket->StatusBlock);
break; break;
@ -389,11 +393,34 @@ VGATimer(PVOID DeviceExtension)
#endif #endif
VOID VGAMapVideoMemory(IN PVIDEO_MEMORY RequestedAddress, VOID VGAMapVideoMemory(IN PVOID DeviceExtension,
IN PVIDEO_MEMORY RequestedAddress,
OUT PVIDEO_MEMORY_INFORMATION MapInformation, OUT PVIDEO_MEMORY_INFORMATION MapInformation,
OUT PSTATUS_BLOCK StatusBlock) OUT PSTATUS_BLOCK StatusBlock)
{ {
UNIMPLEMENTED; 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;
}
MapInformation->VideoRamBase = MapInformation->FrameBufferBase =
ReturnedAddress;
MapInformation->VideoRamLength = MapInformation->FrameBufferLength =
ReturnedLength;
StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
} }
VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes, VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
@ -474,10 +501,13 @@ VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
UNIMPLEMENTED; UNIMPLEMENTED;
} }
VOID VGAUnmapVideoMemory(IN PVIDEO_MEMORY MemoryToUnmap, VOID VGAUnmapVideoMemory(IN PVOID DeviceExtension,
IN PVIDEO_MEMORY MemoryToUnmap,
OUT PSTATUS_BLOCK StatusBlock) OUT PSTATUS_BLOCK StatusBlock)
{ {
UNIMPLEMENTED; VideoPortUnmapMemory(DeviceExtension,
MemoryToUnmap->RequestedVirtualAddress,
0);
} }
VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare, VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,