[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.
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(
-
evb＠svn.reactos.org