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Implement IOCTL_VIDEO_QUERY_AVAIL_MODES, IOCTL_VIDEO_QUERY_CURRENT_MODE, IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES
Add checks to input/output structure sizes Move prototypes to new file vgamp.h svn path=/trunk/; revision=14681
This commit is contained in:
Hervé Poussineau
parent
aeac4dceb8
commit
b3dee30733
2 changed files with 258 additions and 89 deletions
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@ -3,63 +3,9 @@
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*
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*/
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#include <ddk/miniport.h>
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#include <ddk/video.h>
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#include <ddk/ntddvdeo.h>
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// ------------------------------------------------------- Includes
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#define UNIMPLEMENTED do {DbgPrint("%s:%d: Function not implemented", __FILE__, __LINE__); for(;;);} while (0)
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#define VERSION "0.0.0"
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void InitVGAMode();
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// ---------------------------------------------------- Forward Declarations
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static VP_STATUS STDCALL
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VGAFindAdapter(PVOID DeviceExtension,
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PVOID Context,
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PWSTR ArgumentString,
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PVIDEO_PORT_CONFIG_INFO ConfigInfo,
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PUCHAR Again);
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static BOOLEAN STDCALL
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VGAInitialize(PVOID DeviceExtension);
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static BOOLEAN STDCALL
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VGAStartIO(PVOID DeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket);
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/*
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static BOOLEAN STDCALL
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VGAInterrupt(PVOID DeviceExtension);*/
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static BOOLEAN STDCALL
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VGAResetHw(PVOID DeviceExtension,
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ULONG Columns,
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ULONG Rows);
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/*static VOID STDCALL
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VGATimer(PVOID DeviceExtension);
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*/
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/* Mandatory IoControl routines */
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VOID VGAMapVideoMemory(IN PVOID DeviceExtension,
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IN PVIDEO_MEMORY RequestedAddress,
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OUT PVIDEO_MEMORY_INFORMATION MapInformation,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryCurrentMode(OUT PVIDEO_MODE_INFORMATION CurrentMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAQueryNumAvailModes(OUT PVIDEO_NUM_MODES NumberOfModes,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAResetDevice(OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetPaletteRegisters(IN PWORD PaletteRegisters,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
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OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnmapVideoMemory(IN PVOID DeviceExtension,
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IN PVIDEO_MEMORY MemoryToUnmap,
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OUT PSTATUS_BLOCK StatusBlock);
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VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
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OUT PSTATUS_BLOCK StatusBlock);
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#include "vgamp.h"
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// ------------------------------------------------------- Public Interface
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@ -219,63 +165,117 @@ static BOOLEAN STDCALL
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VGAStartIO(PVOID DeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket)
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{
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BOOL Result;
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RequestPacket->StatusBlock->Status = STATUS_UNSUCCESSFUL;
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switch (RequestPacket->IoControlCode)
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{
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case IOCTL_VIDEO_MAP_VIDEO_MEMORY:
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VGAMapVideoMemory(DeviceExtension,
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MEMORY_INFORMATION) ||
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RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAMapVideoMemory(DeviceExtension,
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(PVIDEO_MEMORY) RequestPacket->InputBuffer,
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(PVIDEO_MEMORY_INFORMATION)
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RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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(PVIDEO_MEMORY_INFORMATION)
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RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_AVAIL_MODES:
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VGAQueryAvailModes((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAQueryAvailModes((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_CURRENT_MODE:
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VGAQueryCurrentMode((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MODE_INFORMATION))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAQueryCurrentMode((PVIDEO_MODE_INFORMATION) RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES:
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VGAQueryNumAvailModes((PVIDEO_NUM_MODES) RequestPacket->OutputBuffer,
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_NUM_MODES))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAQueryNumAvailModes((PVIDEO_NUM_MODES) RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_RESET_DEVICE:
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VGAResetDevice(RequestPacket->StatusBlock);
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Result = VGAResetDevice(RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SET_COLOR_REGISTERS:
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VGASetColorRegisters((PVIDEO_CLUT) RequestPacket->InputBuffer,
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_CLUT) ||
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RequestPacket->InputBufferLength <
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(((PVIDEO_CLUT)RequestPacket->InputBuffer)->NumEntries * sizeof(ULONG)) +
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sizeof(VIDEO_CLUT))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGASetColorRegisters((PVIDEO_CLUT) RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SET_CURRENT_MODE:
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VGASetCurrentMode((PVIDEO_MODE) RequestPacket->InputBuffer,
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_MODE))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGASetCurrentMode((PVIDEO_MODE) RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SHARE_VIDEO_MEMORY:
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VGAShareVideoMemory((PVIDEO_SHARE_MEMORY) RequestPacket->InputBuffer,
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if (RequestPacket->OutputBufferLength < sizeof(VIDEO_MEMORY_INFORMATION) ||
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RequestPacket->InputBufferLength < sizeof(VIDEO_SHARE_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAShareVideoMemory((PVIDEO_SHARE_MEMORY) RequestPacket->InputBuffer,
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(PVIDEO_MEMORY_INFORMATION) RequestPacket->OutputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_UNMAP_VIDEO_MEMORY:
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VGAUnmapVideoMemory(DeviceExtension,
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAUnmapVideoMemory(DeviceExtension,
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(PVIDEO_MEMORY) RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_UNSHARE_VIDEO_MEMORY:
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VGAUnshareVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer,
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if (RequestPacket->InputBufferLength < sizeof(VIDEO_MEMORY))
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{
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RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
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return TRUE;
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}
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Result = VGAUnshareVideoMemory((PVIDEO_MEMORY) RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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case IOCTL_VIDEO_SET_PALETTE_REGISTERS:
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VGASetPaletteRegisters((PWORD) RequestPacket->InputBuffer,
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Result = VGASetPaletteRegisters((PWORD) RequestPacket->InputBuffer,
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RequestPacket->StatusBlock);
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break;
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@ -319,8 +319,11 @@ VGAStartIO(PVOID DeviceExtension,
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default:
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RequestPacket->StatusBlock->Status = STATUS_NOT_IMPLEMENTED;
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break;
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return FALSE;
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}
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if (Result)
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RequestPacket->StatusBlock->Status = STATUS_SUCCESS;
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return TRUE;
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}
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@ -362,7 +365,7 @@ VGAInterrupt(PVOID DeviceExtension)
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// ULONG Rows to reset to.
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// RETURNS:
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// BOOLEAN TRUE if no further action is necessary, FALSE if the system
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// needs to still do a BOIS int 10 reset.
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// needs to still do a BIOS int 10 reset.
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static BOOLEAN STDCALL
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VGAResetHw(PVOID DeviceExtension,
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@ -394,7 +397,7 @@ VGATimer(PVOID DeviceExtension)
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#endif
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VOID VGAMapVideoMemory(IN PVOID DeviceExtension,
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BOOL VGAMapVideoMemory(IN PVOID DeviceExtension,
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IN PVIDEO_MEMORY RequestedAddress,
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OUT PVIDEO_MEMORY_INFORMATION MapInformation,
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OUT PSTATUS_BLOCK StatusBlock)
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@ -415,34 +418,62 @@ VOID VGAMapVideoMemory(IN PVOID DeviceExtension,
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if (StatusBlock->Status != 0)
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{
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StatusBlock->Information = 0;
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return;
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return TRUE;
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}
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MapInformation->VideoRamBase = MapInformation->FrameBufferBase =
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ReturnedAddress;
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MapInformation->VideoRamLength = MapInformation->FrameBufferLength =
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ReturnedLength;
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StatusBlock->Information = sizeof(VIDEO_MEMORY_INFORMATION);
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return TRUE;
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}
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VOID VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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BOOL VGAQueryAvailModes(OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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UNIMPLEMENTED;
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/* Only one mode exists in VGA (640x480), so use VGAQueryCurrentMode */
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return VGAQueryCurrentMode(ReturnedModes, StatusBlock);
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}
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VOID VGAQueryCurrentMode(OUT PVIDEO_MODE_INFORMATION CurrentMode,
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BOOL VGAQueryCurrentMode(OUT PVIDEO_MODE_INFORMATION CurrentMode,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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UNIMPLEMENTED;
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CurrentMode->Length = sizeof(VIDEO_MODE_INFORMATION);
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CurrentMode->ModeIndex = 12;
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CurrentMode->VisScreenWidth = 640;
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CurrentMode->VisScreenHeight = 480;
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CurrentMode->ScreenStride = 320;
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CurrentMode->NumberOfPlanes = 1;
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CurrentMode->BitsPerPlane = 4;
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CurrentMode->Frequency = 60;
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CurrentMode->XMillimeter = 0; /* FIXME */
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CurrentMode->YMillimeter = 0; /* FIXME */
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CurrentMode->NumberRedBits =
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CurrentMode->NumberGreenBits =
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CurrentMode->NumberBlueBits = 6;
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CurrentMode->RedMask =
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CurrentMode->GreenMask =
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CurrentMode->BlueMask = 0; /* FIXME */
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CurrentMode->VideoMemoryBitmapWidth = 640;
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CurrentMode->VideoMemoryBitmapHeight = 480;
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CurrentMode->AttributeFlags = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR |
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VIDEO_MODE_NO_OFF_SCREEN;
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CurrentMode->DriverSpecificAttributeFlags = 0;
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StatusBlock->Information = sizeof(VIDEO_MODE_INFORMATION);
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return TRUE;
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}
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VOID VGAQueryNumAvailModes(OUT PVIDEO_NUM_MODES NumberOfModes,
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BOOL VGAQueryNumAvailModes(OUT PVIDEO_NUM_MODES NumberOfModes,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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UNIMPLEMENTED;
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NumberOfModes->NumModes = 1;
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NumberOfModes->ModeInformationLength = sizeof(VIDEO_MODE_INFORMATION);
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StatusBlock->Information = sizeof(VIDEO_NUM_MODES);
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return TRUE;
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}
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VOID VGASetPaletteRegisters(IN PWORD PaletteRegisters,
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BOOL VGASetPaletteRegisters(IN PWORD PaletteRegisters,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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;
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@ -468,9 +499,10 @@ VOID VGASetPaletteRegisters(IN PWORD PaletteRegisters,
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tmp = VideoPortReadPortUchar(0x03da);
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VideoPortWritePortUchar(0x03d0, v | 0x20);
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*/
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return TRUE;
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}
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VOID VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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BOOL VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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int i;
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@ -482,37 +514,50 @@ VOID VGASetColorRegisters(IN PVIDEO_CLUT ColorLookUpTable,
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VideoPortWritePortUchar((PUCHAR)0x03c9, ColorLookUpTable->LookupTable[i].RgbArray.Green);
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VideoPortWritePortUchar((PUCHAR)0x03c9, ColorLookUpTable->LookupTable[i].RgbArray.Blue);
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}
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return TRUE;
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}
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VOID VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
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BOOL VGASetCurrentMode(IN PVIDEO_MODE RequestedMode,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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if(RequestedMode->RequestedMode == 12)
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{
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InitVGAMode();
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return TRUE;
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} else {
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DbgPrint("Unrecognised mode for VGASetCurrentMode\n");
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DPRINT1("Unrecognised mode for VGASetCurrentMode\n");
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return FALSE;
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}
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}
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VOID VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
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BOOL VGAShareVideoMemory(IN PVIDEO_SHARE_MEMORY RequestedMemory,
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OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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UNIMPLEMENTED;
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StatusBlock->Status = STATUS_NOT_IMPLEMENTED;
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return FALSE;
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}
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VOID VGAUnmapVideoMemory(IN PVOID DeviceExtension,
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BOOL VGAUnmapVideoMemory(IN PVOID DeviceExtension,
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IN PVIDEO_MEMORY MemoryToUnmap,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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VideoPortUnmapMemory(DeviceExtension,
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if (VideoPortUnmapMemory(DeviceExtension,
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MemoryToUnmap->RequestedVirtualAddress,
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0);
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0) == NO_ERROR)
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return TRUE;
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else
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return FALSE;
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}
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VOID VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
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BOOL VGAUnshareVideoMemory(IN PVIDEO_MEMORY MemoryToUnshare,
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OUT PSTATUS_BLOCK StatusBlock)
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{
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UNIMPLEMENTED;
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StatusBlock->Status = STATUS_NOT_IMPLEMENTED;
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return FALSE;
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}
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124
reactos/drivers/video/miniport/vga/vgamp.h
Normal file
124
reactos/drivers/video/miniport/vga/vgamp.h
Normal file
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@ -0,0 +1,124 @@
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/*
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* ReactOS VGA miniport video driver
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*
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* Copyright (C) 2004 Filip Navara, Herve Poussineau
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
|
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
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* GNU General Public License for more details.
|
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*
|
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* You should have received a copy of the GNU General Public License
|
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* along with this program; if not, write to the Free Software
|
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef VGAMP_H
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#define VGAMP_H
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/* INCLUDES *******************************************************************/
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#include <ddk/miniport.h>
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#include <ddk/video.h>
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#include <ddk/ntddvdeo.h>
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#include <debug.h>
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void
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InitVGAMode();
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static VP_STATUS STDCALL
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VGAFindAdapter(
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PVOID DeviceExtension,
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PVOID Context,
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PWSTR ArgumentString,
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PVIDEO_PORT_CONFIG_INFO ConfigInfo,
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PUCHAR Again);
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static BOOLEAN STDCALL
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VGAInitialize(
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PVOID DeviceExtension);
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static BOOLEAN STDCALL
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VGAStartIO(
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PVOID DeviceExtension,
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PVIDEO_REQUEST_PACKET RequestPacket);
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/*static BOOLEAN STDCALL
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VGAInterrupt(PVOID DeviceExtension);*/
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static BOOLEAN STDCALL
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VGAResetHw(
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PVOID DeviceExtension,
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ULONG Columns,
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ULONG Rows);
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|
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/*static VOID STDCALL
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VGATimer(PVOID DeviceExtension);*/
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|
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/* Mandatory IoControl routines */
|
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BOOL
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VGAMapVideoMemory(
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IN PVOID DeviceExtension,
|
||||
IN PVIDEO_MEMORY RequestedAddress,
|
||||
OUT PVIDEO_MEMORY_INFORMATION MapInformation,
|
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OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
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BOOL
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VGAQueryAvailModes(
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OUT PVIDEO_MODE_INFORMATION ReturnedModes,
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OUT PSTATUS_BLOCK StatusBlock);
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|
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BOOL
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VGAQueryCurrentMode(
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OUT PVIDEO_MODE_INFORMATION CurrentMode,
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OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
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BOOL
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VGAQueryNumAvailModes(
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OUT PVIDEO_NUM_MODES NumberOfModes,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGAResetDevice(OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGASetColorRegisters(
|
||||
IN PVIDEO_CLUT ColorLookUpTable,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGASetPaletteRegisters(
|
||||
IN PWORD PaletteRegisters,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGASetCurrentMode(
|
||||
IN PVIDEO_MODE RequestedMode,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGAShareVideoMemory(
|
||||
IN PVIDEO_SHARE_MEMORY RequestedMemory,
|
||||
OUT PVIDEO_MEMORY_INFORMATION ReturnedMemory,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGAUnmapVideoMemory(
|
||||
IN PVOID DeviceExtension,
|
||||
IN PVIDEO_MEMORY MemoryToUnmap,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
BOOL
|
||||
VGAUnshareVideoMemory(
|
||||
IN PVIDEO_MEMORY MemoryToUnshare,
|
||||
OUT PSTATUS_BLOCK StatusBlock);
|
||||
|
||||
/* Optional IoControl routines */
|
||||
/* None actually */
|
||||
|
||||
#endif /* VGAMP_H */
|
||||
Loading…
Reference in a new issue