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- Added support IOCTRL_QUERY_PUBLIC_ACCESS_RANGES, IOCTRL_SET_PALETTE_REGISTERS, IOCTRL_QUERY_CURRENT_MODE, used by test Standard VGA-only display driver.
- Code from NT4 DDK Cirrus miniport with some mods by me. svn path=/trunk/; revision=46106
This commit is contained in:
evb
parent
db54713b73
commit
ceb6085aa0
2 changed files with 300 additions and 4 deletions
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@ -41,6 +41,14 @@ VgaQueryNumberOfAvailableModes(
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PULONG OutputSize
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);
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VP_STATUS
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VgaQueryCurrentMode(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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PVIDEO_MODE_INFORMATION ModeInformation,
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ULONG ModeInformationSize,
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PULONG OutputSize
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);
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VOID
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VgaZeroVideoMemory(
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PHW_DEVICE_EXTENSION HwDeviceExtension
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@ -696,6 +704,139 @@ Return Value:
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return NO_ERROR;
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} // end VgaGetNumberOfAvailableModes()
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VP_STATUS
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VgaQueryCurrentMode(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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PVIDEO_MODE_INFORMATION ModeInformation,
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ULONG ModeInformationSize,
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PULONG OutputSize
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)
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/*++
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Routine Description:
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This routine returns a description of the current video mode.
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Arguments:
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HwDeviceExtension - Pointer to the miniport driver's device extension.
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ModeInformation - Pointer to the output buffer supplied by the user.
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This is where the current mode information is stored.
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ModeInformationSize - Length of the output buffer supplied by the user.
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OutputSize - Pointer to a buffer in which to return the actual size of
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the data in the buffer. If the buffer was not large enough, this
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contains the minimum required buffer size.
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Return Value:
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ERROR_INSUFFICIENT_BUFFER if the output buffer was not large enough
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for the data being returned.
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NO_ERROR if the operation completed successfully.
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--*/
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{
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//
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// check if a mode has been set
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//
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if (HwDeviceExtension->CurrentMode == NULL ) {
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return ERROR_INVALID_FUNCTION;
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}
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//
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// Find out the size of the data to be put in the the buffer and return
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// that in the status information (whether or not the information is
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// there). If the buffer passed in is not large enough return an
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// appropriate error code.
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//
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if (ModeInformationSize < (*OutputSize = sizeof(VIDEO_MODE_INFORMATION))) {
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return ERROR_INSUFFICIENT_BUFFER;
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}
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//
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// Store the characteristics of the current mode into the buffer.
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//
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ModeInformation->Length = sizeof(VIDEO_MODE_INFORMATION);
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ModeInformation->ModeIndex = HwDeviceExtension->ModeIndex;
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ModeInformation->VisScreenWidth = HwDeviceExtension->CurrentMode->hres;
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ModeInformation->ScreenStride = HwDeviceExtension->CurrentMode->wbytes;
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ModeInformation->VisScreenHeight = HwDeviceExtension->CurrentMode->vres;
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ModeInformation->NumberOfPlanes = HwDeviceExtension->CurrentMode->numPlanes;
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ModeInformation->BitsPerPlane = HwDeviceExtension->CurrentMode->bitsPerPlane;
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ModeInformation->Frequency = HwDeviceExtension->CurrentMode->Frequency;
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ModeInformation->XMillimeter = 320; // temporary hardcoded constant
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ModeInformation->YMillimeter = 240; // temporary hardcoded constant
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ModeInformation->AttributeFlags = HwDeviceExtension->CurrentMode->fbType;
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if ((ModeInformation->BitsPerPlane == 32) ||
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(ModeInformation->BitsPerPlane == 24))
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{
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ModeInformation->NumberRedBits = 8;
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ModeInformation->NumberGreenBits = 8;
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ModeInformation->NumberBlueBits = 8;
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ModeInformation->RedMask = 0xff0000;
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ModeInformation->GreenMask = 0x00ff00;
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ModeInformation->BlueMask = 0x0000ff;
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}
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else if (ModeInformation->BitsPerPlane == 16)
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{
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ModeInformation->NumberRedBits = 6;
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ModeInformation->NumberGreenBits = 6;
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ModeInformation->NumberBlueBits = 6;
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ModeInformation->RedMask = 0x1F << 11;
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ModeInformation->GreenMask = 0x3F << 5;
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ModeInformation->BlueMask = 0x1F;
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}
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// eVb: 2.12 [VGA] - Add support for 15bpp modes, which Cirrus doesn't support
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else if (ModeInformation->BitsPerPlane == 15)
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{
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ModeInformation->NumberRedBits = 6;
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ModeInformation->NumberGreenBits = 6;
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ModeInformation->NumberBlueBits = 6;
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ModeInformation->RedMask = 0x3E << 9;
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ModeInformation->GreenMask = 0x1F << 5;
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ModeInformation->BlueMask = 0x1F;
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}
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// eVb: 2.12 [END]
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else
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{
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ModeInformation->NumberRedBits = 6;
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ModeInformation->NumberGreenBits = 6;
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ModeInformation->NumberBlueBits = 6;
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ModeInformation->RedMask = 0;
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ModeInformation->GreenMask = 0;
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ModeInformation->BlueMask = 0;
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}
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// eVb: 2.13 [VGA] - All modes are palette managed/driven, unlike Cirrus
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ModeInformation->AttributeFlags |= VIDEO_MODE_PALETTE_DRIVEN |
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VIDEO_MODE_MANAGED_PALETTE;
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// eVb: 2.13 [END]
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return NO_ERROR;
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} // end VgaQueryCurrentMode()
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VOID
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VgaZeroVideoMemory(
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@ -58,6 +58,14 @@ VgaQueryNumberOfAvailableModes(
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PULONG OutputSize
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);
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VP_STATUS
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VgaQueryCurrentMode(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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PVIDEO_MODE_INFORMATION ModeInformation,
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ULONG ModeInformationSize,
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PULONG OutputSize
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);
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VP_STATUS
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VgaSetMode(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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@ -79,6 +87,13 @@ VgaInterpretCmdStream(
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PUSHORT pusCmdStream
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);
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VP_STATUS
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VgaSetPaletteReg(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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PVIDEO_PALETTE_DATA PaletteBuffer,
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ULONG PaletteBufferSize
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);
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VP_STATUS
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VgaSetColorLookup(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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@ -394,7 +409,7 @@ Return Value:
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VGA_MAX_IO_PORT - VGA_BASE_IO_PORT + 1,
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VgaAccessRange->RangeInIoSpace)) == NULL)
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{
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VideoDebugPrint((2, "VgaFindAdapter - Fail to get io address\n"));
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VideoDebugPrint((0, "VgaFindAdapter - Fail to get io address\n"));
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return ERROR_INVALID_PARAMETER;
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}
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@ -445,7 +460,7 @@ Return Value:
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VgaAccessRange[2].RangeLength,
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FALSE)) == NULL)
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{
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VideoDebugPrint((1, "VgaFindAdapter - Fail to get memory address\n"));
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VideoDebugPrint((0, "VgaFindAdapter - Fail to get memory address\n"));
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return ERROR_INVALID_PARAMETER;
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}
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@ -681,7 +696,10 @@ Return Value:
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VideoDebugPrint((2, "VgaStartIO - QueryCurrentMode\n"));
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status = ERROR_INVALID_FUNCTION;
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status = VgaQueryCurrentMode(HwDeviceExtension,
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(PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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RequestPacket->OutputBufferLength,
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&RequestPacket->StatusBlock->Information);
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break;
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@ -775,7 +793,9 @@ Return Value:
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VideoDebugPrint((2, "VgaStartIO - SetPaletteRegs\n"));
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status = ERROR_INVALID_FUNCTION;
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status = VgaSetPaletteReg(HwDeviceExtension,
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(PVIDEO_PALETTE_DATA) RequestPacket->InputBuffer,
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RequestPacket->InputBufferLength);
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break;
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@ -825,8 +845,53 @@ Return Value:
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break;
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case IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES:
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{
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VideoDebugPrint((2, "VgaStartIO - Query Public Address Ranges\n"));
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PVIDEO_PUBLIC_ACCESS_RANGES portAccess;
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ULONG physicalPortLength;
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if (RequestPacket->OutputBufferLength <
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sizeof(VIDEO_PUBLIC_ACCESS_RANGES))
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{
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status = ERROR_INSUFFICIENT_BUFFER;
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break;
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}
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RequestPacket->StatusBlock->Information =
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sizeof(VIDEO_PUBLIC_ACCESS_RANGES);
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portAccess = RequestPacket->OutputBuffer;
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//
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// The first public access range is the IO ports.
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//
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portAccess->VirtualAddress = (PVOID) NULL;
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portAccess->InIoSpace = TRUE;
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portAccess->MappedInIoSpace = portAccess->InIoSpace;
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physicalPortLength = VGA_MAX_IO_PORT - VGA_BASE_IO_PORT + 1;
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status = VideoPortMapMemory(hwDeviceExtension,
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VgaAccessRange->RangeStart,
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&physicalPortLength,
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&(portAccess->MappedInIoSpace),
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&(portAccess->VirtualAddress));
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// eVb: 1.17 [GCG] - Fix lvalue error
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portAccess->VirtualAddress = (PVOID)((ULONG_PTR)portAccess->VirtualAddress - VGA_BASE_IO_PORT);
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// eVb: 1.17 [END]
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VideoDebugPrint((2, "VgaStartIO - mapping ports to (%x)\n", portAccess->VirtualAddress));
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}
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break;
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case IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES:
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VideoDebugPrint((2, "VgaStartIO - Free Public Access Ranges\n"));
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status = ERROR_INVALID_FUNCTION;
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break;
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//
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// if we get here, an invalid IoControlCode was specified.
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//
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@ -1180,6 +1245,96 @@ Return Value:
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} // VgaIsPresent()
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//---------------------------------------------------------------------------
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VP_STATUS
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VgaSetPaletteReg(
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PHW_DEVICE_EXTENSION HwDeviceExtension,
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PVIDEO_PALETTE_DATA PaletteBuffer,
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ULONG PaletteBufferSize
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)
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/*++
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Routine Description:
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This routine sets a specified portion of the EGA (not DAC) palette
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registers.
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Arguments:
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HwDeviceExtension - Pointer to the miniport driver's device extension.
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PaletteBuffer - Pointer to the structure containing the palette data.
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PaletteBufferSize - Length of the input buffer supplied by the user.
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Return Value:
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NO_ERROR - information returned successfully
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ERROR_INSUFFICIENT_BUFFER - input buffer not large enough for input data.
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ERROR_INVALID_PARAMETER - invalid palette size.
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--*/
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{
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USHORT i;
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//
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// Check if the size of the data in the input buffer is large enough.
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//
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if ((PaletteBufferSize) < (sizeof(VIDEO_PALETTE_DATA)) ||
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(PaletteBufferSize < (sizeof(VIDEO_PALETTE_DATA) +
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(sizeof(USHORT) * (PaletteBuffer->NumEntries -1)) ))) {
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return ERROR_INSUFFICIENT_BUFFER;
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}
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//
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// Check to see if the parameters are valid.
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//
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if ( (PaletteBuffer->FirstEntry > VIDEO_MAX_COLOR_REGISTER ) ||
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(PaletteBuffer->NumEntries == 0) ||
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(PaletteBuffer->FirstEntry + PaletteBuffer->NumEntries >
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VIDEO_MAX_PALETTE_REGISTER + 1 ) ) {
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return ERROR_INVALID_PARAMETER;
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}
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//
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// Reset ATC to index mode
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//
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VideoPortReadPortUchar(HwDeviceExtension->IOAddress +
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ATT_INITIALIZE_PORT_COLOR);
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//
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// Blast out our palette values.
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//
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for (i = 0; i < PaletteBuffer->NumEntries; i++) {
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VideoPortWritePortUchar(HwDeviceExtension->IOAddress + ATT_ADDRESS_PORT,
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(UCHAR)(i+PaletteBuffer->FirstEntry));
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VideoPortWritePortUchar(HwDeviceExtension->IOAddress +
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ATT_DATA_WRITE_PORT,
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(UCHAR)PaletteBuffer->Colors[i]);
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}
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VideoPortWritePortUchar(HwDeviceExtension->IOAddress + ATT_ADDRESS_PORT,
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VIDEO_ENABLE);
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return NO_ERROR;
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} // end VgaSetPaletteReg()
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//---------------------------------------------------------------------------
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VP_STATUS
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VgaSetColorLookup(
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