[evb] 46106: - 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.
11 Mar
2010
11 Mar
'10
5:56 p.m.
Author: evb
Date: Thu Mar 11 18:56:27 2010
New Revision: 46106
URL: http://svn.reactos.org/svn/reactos?rev=46106&view=rev
Log:
- 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.
Modified:
trunk/reactos/drivers/video/miniport/vga_new/modeset.c
trunk/reactos/drivers/video/miniport/vga_new/vga.c
Modified: trunk/reactos/drivers/video/miniport/vga_new/modeset.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/miniport/vga…
==============================================================================
--- trunk/reactos/drivers/video/miniport/vga_new/modeset.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/miniport/vga_new/modeset.c [iso-8859-1] Thu Mar 11
18:56:27 2010
@@ -38,6 +38,14 @@
PHW_DEVICE_EXTENSION HwDeviceExtension,
PVIDEO_NUM_MODES NumModes,
ULONG NumModesSize,
+ PULONG OutputSize
+ );
+
+VP_STATUS
+VgaQueryCurrentMode(
+ PHW_DEVICE_EXTENSION HwDeviceExtension,
+ PVIDEO_MODE_INFORMATION ModeInformation,
+ ULONG ModeInformationSize,
PULONG OutputSize
);
@@ -697,6 +705,139 @@
} // end VgaGetNumberOfAvailableModes()
+VP_STATUS
+VgaQueryCurrentMode(
+ PHW_DEVICE_EXTENSION HwDeviceExtension,
+ PVIDEO_MODE_INFORMATION ModeInformation,
+ ULONG ModeInformationSize,
+ PULONG OutputSize
+ )
+
+/*++
+
+Routine Description:
+
+ This routine returns a description of the current video mode.
+
+Arguments:
+
+ HwDeviceExtension - Pointer to the miniport driver's device extension.
+
+ ModeInformation - Pointer to the output buffer supplied by the user.
+ This is where the current mode information is stored.
+
+ ModeInformationSize - Length of the output buffer supplied by the user.
+
+ OutputSize - Pointer to a buffer in which to return the actual size of
+ the data in the buffer. If the buffer was not large enough, this
+ contains the minimum required buffer size.
+
+Return Value:
+
+ ERROR_INSUFFICIENT_BUFFER if the output buffer was not large enough
+ for the data being returned.
+
+ NO_ERROR if the operation completed successfully.
+
+--*/
+
+{
+ //
+ // check if a mode has been set
+ //
+
+ if (HwDeviceExtension->CurrentMode == NULL ) {
+
+ return ERROR_INVALID_FUNCTION;
+
+ }
+
+ //
+ // 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.
+ //
+
+ if (ModeInformationSize < (*OutputSize = sizeof(VIDEO_MODE_INFORMATION))) {
+
+ return ERROR_INSUFFICIENT_BUFFER;
+
+ }
+
+ //
+ // Store the characteristics of the current mode into the buffer.
+ //
+
+ ModeInformation->Length = sizeof(VIDEO_MODE_INFORMATION);
+ ModeInformation->ModeIndex = HwDeviceExtension->ModeIndex;
+ ModeInformation->VisScreenWidth = HwDeviceExtension->CurrentMode->hres;
+ ModeInformation->ScreenStride = HwDeviceExtension->CurrentMode->wbytes;
+ ModeInformation->VisScreenHeight = HwDeviceExtension->CurrentMode->vres;
+ ModeInformation->NumberOfPlanes =
HwDeviceExtension->CurrentMode->numPlanes;
+ ModeInformation->BitsPerPlane =
HwDeviceExtension->CurrentMode->bitsPerPlane;
+ ModeInformation->Frequency = HwDeviceExtension->CurrentMode->Frequency;
+ ModeInformation->XMillimeter = 320; // temporary hardcoded constant
+ ModeInformation->YMillimeter = 240; // temporary hardcoded constant
+
+ ModeInformation->AttributeFlags = HwDeviceExtension->CurrentMode->fbType;
+
+ if ((ModeInformation->BitsPerPlane == 32) ||
+ (ModeInformation->BitsPerPlane == 24))
+ {
+
+ ModeInformation->NumberRedBits = 8;
+ ModeInformation->NumberGreenBits = 8;
+ ModeInformation->NumberBlueBits = 8;
+ ModeInformation->RedMask = 0xff0000;
+ ModeInformation->GreenMask = 0x00ff00;
+ ModeInformation->BlueMask = 0x0000ff;
+
+ }
+ else if (ModeInformation->BitsPerPlane == 16)
+ {
+
+ ModeInformation->NumberRedBits = 6;
+ ModeInformation->NumberGreenBits = 6;
+ ModeInformation->NumberBlueBits = 6;
+ ModeInformation->RedMask = 0x1F << 11;
+ ModeInformation->GreenMask = 0x3F << 5;
+ ModeInformation->BlueMask = 0x1F;
+
+ }
+// eVb: 2.12 [VGA] - Add support for 15bpp modes, which Cirrus doesn't support
+ else if (ModeInformation->BitsPerPlane == 15)
+ {
+
+ ModeInformation->NumberRedBits = 6;
+ ModeInformation->NumberGreenBits = 6;
+ ModeInformation->NumberBlueBits = 6;
+ ModeInformation->RedMask = 0x3E << 9;
+ ModeInformation->GreenMask = 0x1F << 5;
+ ModeInformation->BlueMask = 0x1F;
+ }
+// eVb: 2.12 [END]
+ else
+ {
+
+ ModeInformation->NumberRedBits = 6;
+ ModeInformation->NumberGreenBits = 6;
+ ModeInformation->NumberBlueBits = 6;
+ ModeInformation->RedMask = 0;
+ ModeInformation->GreenMask = 0;
+ ModeInformation->BlueMask = 0;
+ }
+
+// eVb: 2.13 [VGA] - All modes are palette managed/driven, unlike Cirrus
+ ModeInformation->AttributeFlags |= VIDEO_MODE_PALETTE_DRIVEN |
+ VIDEO_MODE_MANAGED_PALETTE;
+// eVb: 2.13 [END]
+
+ return NO_ERROR;
+
+} // end VgaQueryCurrentMode()
+
+
VOID
VgaZeroVideoMemory(
PHW_DEVICE_EXTENSION HwDeviceExtension
Modified: trunk/reactos/drivers/video/miniport/vga_new/vga.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/video/miniport/vga…
==============================================================================
--- trunk/reactos/drivers/video/miniport/vga_new/vga.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/video/miniport/vga_new/vga.c [iso-8859-1] Thu Mar 11 18:56:27
2010
@@ -55,6 +55,14 @@
PHW_DEVICE_EXTENSION HwDeviceExtension,
PVIDEO_NUM_MODES NumModes,
ULONG NumModesSize,
+ PULONG OutputSize
+ );
+
+VP_STATUS
+VgaQueryCurrentMode(
+ PHW_DEVICE_EXTENSION HwDeviceExtension,
+ PVIDEO_MODE_INFORMATION ModeInformation,
+ ULONG ModeInformationSize,
PULONG OutputSize
);
@@ -79,6 +87,13 @@
PUSHORT pusCmdStream
);
+VP_STATUS
+VgaSetPaletteReg(
+ PHW_DEVICE_EXTENSION HwDeviceExtension,
+ PVIDEO_PALETTE_DATA PaletteBuffer,
+ ULONG PaletteBufferSize
+ );
+
VP_STATUS
VgaSetColorLookup(
PHW_DEVICE_EXTENSION HwDeviceExtension,
@@ -394,7 +409,7 @@
VGA_MAX_IO_PORT - VGA_BASE_IO_PORT + 1,
VgaAccessRange->RangeInIoSpace)) == NULL)
{
- VideoDebugPrint((2, "VgaFindAdapter - Fail to get io address\n"));
+ VideoDebugPrint((0, "VgaFindAdapter - Fail to get io address\n"));
return ERROR_INVALID_PARAMETER;
}
@@ -445,7 +460,7 @@
VgaAccessRange[2].RangeLength,
FALSE)) == NULL)
{
- VideoDebugPrint((1, "VgaFindAdapter - Fail to get memory address\n"));
+ VideoDebugPrint((0, "VgaFindAdapter - Fail to get memory address\n"));
return ERROR_INVALID_PARAMETER;
}
@@ -681,7 +696,10 @@
VideoDebugPrint((2, "VgaStartIO - QueryCurrentMode\n"));
- status = ERROR_INVALID_FUNCTION;
+ status = VgaQueryCurrentMode(HwDeviceExtension,
+ (PVIDEO_MODE_INFORMATION)
RequestPacket->OutputBuffer,
+ RequestPacket->OutputBufferLength,
+
&RequestPacket->StatusBlock->Information);
break;
@@ -775,7 +793,9 @@
VideoDebugPrint((2, "VgaStartIO - SetPaletteRegs\n"));
- status = ERROR_INVALID_FUNCTION;
+ status = VgaSetPaletteReg(HwDeviceExtension,
+ (PVIDEO_PALETTE_DATA) RequestPacket->InputBuffer,
+ RequestPacket->InputBufferLength);
break;
@@ -825,8 +845,53 @@
break;
case IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES:
+ {
+ VideoDebugPrint((2, "VgaStartIO - Query Public Address
Ranges\n"));
+
+ PVIDEO_PUBLIC_ACCESS_RANGES portAccess;
+ ULONG physicalPortLength;
+
+ if (RequestPacket->OutputBufferLength <
+ sizeof(VIDEO_PUBLIC_ACCESS_RANGES))
+ {
+ status = ERROR_INSUFFICIENT_BUFFER;
+ break;
+ }
+
+ RequestPacket->StatusBlock->Information =
+ sizeof(VIDEO_PUBLIC_ACCESS_RANGES);
+
+ portAccess = RequestPacket->OutputBuffer;
+
+ //
+ // The first public access range is the IO ports.
+ //
+
+ portAccess->VirtualAddress = (PVOID) NULL;
+ portAccess->InIoSpace = TRUE;
+ portAccess->MappedInIoSpace = portAccess->InIoSpace;
+ physicalPortLength = VGA_MAX_IO_PORT - VGA_BASE_IO_PORT + 1;
+
+ status = VideoPortMapMemory(hwDeviceExtension,
+ VgaAccessRange->RangeStart,
+ &physicalPortLength,
+ &(portAccess->MappedInIoSpace),
+ &(portAccess->VirtualAddress));
+// eVb: 1.17 [GCG] - Fix lvalue error
+ portAccess->VirtualAddress =
(PVOID)((ULONG_PTR)portAccess->VirtualAddress - VGA_BASE_IO_PORT);
+// eVb: 1.17 [END]
+ VideoDebugPrint((2, "VgaStartIO - mapping ports to (%x)\n",
portAccess->VirtualAddress));
+ }
+
+ break;
+
case IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES:
+ VideoDebugPrint((2, "VgaStartIO - Free Public Access Ranges\n"));
+
+ status = ERROR_INVALID_FUNCTION;
+ break;
+
//
// if we get here, an invalid IoControlCode was specified.
//
@@ -1180,6 +1245,96 @@
} // VgaIsPresent()
+//---------------------------------------------------------------------------
+VP_STATUS
+VgaSetPaletteReg(
+ PHW_DEVICE_EXTENSION HwDeviceExtension,
+ PVIDEO_PALETTE_DATA PaletteBuffer,
+ ULONG PaletteBufferSize
+ )
+
+/*++
+
+Routine Description:
+
+ This routine sets a specified portion of the EGA (not DAC) palette
+ registers.
+
+Arguments:
+
+ HwDeviceExtension - Pointer to the miniport driver's device extension.
+
+ PaletteBuffer - Pointer to the structure containing the palette data.
+
+ PaletteBufferSize - Length of the input buffer supplied by the user.
+
+Return Value:
+
+ NO_ERROR - information returned successfully
+
+ ERROR_INSUFFICIENT_BUFFER - input buffer not large enough for input data.
+
+ ERROR_INVALID_PARAMETER - invalid palette size.
+
+--*/
+
+{
+ USHORT i;
+
+ //
+ // Check if the size of the data in the input buffer is large enough.
+ //
+
+ if ((PaletteBufferSize) < (sizeof(VIDEO_PALETTE_DATA)) ||
+ (PaletteBufferSize < (sizeof(VIDEO_PALETTE_DATA) +
+ (sizeof(USHORT) * (PaletteBuffer->NumEntries -1)) ))) {
+
+ return ERROR_INSUFFICIENT_BUFFER;
+
+ }
+
+ //
+ // Check to see if the parameters are valid.
+ //
+
+ if ( (PaletteBuffer->FirstEntry > VIDEO_MAX_COLOR_REGISTER ) ||
+ (PaletteBuffer->NumEntries == 0) ||
+ (PaletteBuffer->FirstEntry + PaletteBuffer->NumEntries >
+ VIDEO_MAX_PALETTE_REGISTER + 1 ) ) {
+
+ return ERROR_INVALID_PARAMETER;
+
+ }
+
+ //
+ // Reset ATC to index mode
+ //
+
+ VideoPortReadPortUchar(HwDeviceExtension->IOAddress +
+ ATT_INITIALIZE_PORT_COLOR);
+
+ //
+ // Blast out our palette values.
+ //
+
+ for (i = 0; i < PaletteBuffer->NumEntries; i++) {
+
+ VideoPortWritePortUchar(HwDeviceExtension->IOAddress + ATT_ADDRESS_PORT,
+ (UCHAR)(i+PaletteBuffer->FirstEntry));
+
+ VideoPortWritePortUchar(HwDeviceExtension->IOAddress +
+ ATT_DATA_WRITE_PORT,
+ (UCHAR)PaletteBuffer->Colors[i]);
+ }
+
+ VideoPortWritePortUchar(HwDeviceExtension->IOAddress + ATT_ADDRESS_PORT,
+ VIDEO_ENABLE);
+
+ return NO_ERROR;
+
+} // end VgaSetPaletteReg()
+
+
//---------------------------------------------------------------------------
VP_STATUS
VgaSetColorLookup(
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