716 lines
12 KiB
C
716 lines
12 KiB
C
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/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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fsvga.h
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Abstract:
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This is the console fullscreen driver for the VGA card.
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Environment:
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kernel mode only
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Notes:
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Revision History:
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--*/
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#ifndef _FSVGA_
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#define _FSVGA_
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#include "stdarg.h"
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#include "stdio.h"
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#include "ntddk.h"
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#include "ntddvdeo.h"
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#include "vga.h"
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#include "fsvgalog.h"
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#define FSVGA_POOL_TAG 'gVsF'
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#undef ExAllocatePool
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#define ExAllocatePool(Type, Bytes) ExAllocatePoolWithTag(Type, Bytes, FSVGA_POOL_TAG)
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//
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// Define the default number of elements in the class input data queue.
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//
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#define DUMP_COUNT 4
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#define DEFAULT_DEBUG_LEVEL 0
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//
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// Define the i8042 controller input/output ports.
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//
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typedef enum _VGA_IO_PORT_TYPE {
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CRTCAddressPortColor = 0,
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CRTCDataPortColor,
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GRAPHAddressPort,
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SEQAddressPort,
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MaximumPortCount
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} VGA_IO_PORT_TYPE;
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typedef struct _PORT_LIST {
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PVOID Port;
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ULONG Length;
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BOOLEAN MapRegistersRequired;
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} PORT_LIST, *PPORT_LIST;
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//
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// FSVGA configuration information.
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//
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typedef struct _FSVGA_CONFIGURATION_INFORMATION {
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USHORT EmulationMode;
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#define ENABLE_WORD_WRITE_VRAM 0x01
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USHORT HardwareCursor;
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#define NO_HARDWARE_CURSOR 0
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#define HARDWARE_CURSOR 0x01
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USHORT HardwareScroll;
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#define NO_HARDWARE_SCROLL 0
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#define HARDWARE_SCROLL 0x01
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#define USE_LINE_COMPARE 0x02
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#define OFFSET_128_TO_NEXT_SLICE 0x04
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USHORT IOPort;
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} FSVGA_CONFIGURATION_INFORMATION, *PFSVGA_CONFIGURATION_INFORMATION;
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//
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// FSVGA resource information.
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//
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typedef struct _FSVGA_RESOURCE_INFORMATION {
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//
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// Indicate which hardware is actually present (display).
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//
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ULONG HardwarePresent;
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#ifdef RESOURCE_REQUIREMENTS
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//
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// Bus interface type.
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//
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INTERFACE_TYPE InterfaceType;
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//
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// Bus Number.
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//
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ULONG BusNumber;
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#endif
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//
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// The mapped addresses for this device's registers.
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//
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PORT_LIST PortList[MaximumPortCount];
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} FSVGA_RESOURCE_INFORMATION, *PFSVGA_RESOURCE_INFORMATION;
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//
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// EMULATE_BUFFER_INFORMATION structure
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//
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typedef struct _EMULATE_BUFFER_INFORMATION {
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//
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// Hardware scroll
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//
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USHORT StartAddress;
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USHORT LineCompare;
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USHORT PrevLineCompare;
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USHORT BytePerLine;
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USHORT MaxScanLine;
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ULONG LimitGRAM;
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#define LIMIT_64K 0x10000L
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USHORT DeltaNextFontRow;
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//
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// Color Attributes for last access.
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//
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UCHAR ColorFg;
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UCHAR ColorBg;
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//
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// Cursor position and attributes for last access.
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VIDEO_CURSOR_ATTRIBUTES CursorAttributes;
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FSVIDEO_CURSOR_POSITION CursorPosition;
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BOOLEAN ShowCursor;
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} EMULATE_BUFFER_INFORMATION, *PEMULATE_BUFFER_INFORMATION;
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//
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// Port device extension.
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//
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typedef struct _DEVICE_EXTENSION {
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//
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// Pointer to the device object.
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//
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PDEVICE_OBJECT DeviceObject;
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//
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// Next lower driver in same stack.
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//
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PDEVICE_OBJECT LowerDeviceObject;
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//
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// Use count on this device.
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//
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LONG usage;
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//
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// Set when okay to remove this device.
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//
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KEVENT evRemove;
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//
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// TRUE if we're trying to remove this device.
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//
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BOOLEAN removing;
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//
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// TRUE if device has been started.
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//
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BOOLEAN started;
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//
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// Port resource information.
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//
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FSVGA_RESOURCE_INFORMATION Resource;
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//
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// FSVIDEO_MODE_INFORMATION structure for the current mode
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//
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FSVIDEO_MODE_INFORMATION CurrentMode;
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//
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// FSVIDEO_SCREEN_INFORMATION structure
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//
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FSVIDEO_SCREEN_INFORMATION ScreenAndFont;
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//
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// EMULATE_BUFFER_INFORMATION structure
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//
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EMULATE_BUFFER_INFORMATION EmulateInfo;
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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//
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// Global shared data
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//
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typedef struct _GLOBALS {
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//
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// Declare the global debug flag for this driver.
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//
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ULONG FsVgaDebug;
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//
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// A list of the registry path to the service parameters.
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//
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UNICODE_STRING RegistryPath;
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//
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// Port configuration information.
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//
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FSVGA_CONFIGURATION_INFORMATION Configuration;
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//
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// Resource list and size
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//
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FSVGA_RESOURCE_INFORMATION Resource;
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} GLOBALS, *PGLOBALS;
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extern GLOBALS Globals;
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//
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// Define the base values for the error log packet's UniqueErrorValue field.
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//
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#define FSVGA_ERROR_VALUE_BASE 1000
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//
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// Defines for DeviceExtension->HardwarePresent.
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//
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#define FSVGA_HARDWARE_PRESENT 1
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//
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// Function prototypes.
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//
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//
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// fsvga.c
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//
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NTSTATUS
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath
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);
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VOID
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FsVgaQueryDevice(
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IN PFSVGA_RESOURCE_INFORMATION Resource
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);
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NTSTATUS
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FsVgaPeripheralCallout(
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IN PVOID Context,
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IN PUNICODE_STRING PathName,
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IN INTERFACE_TYPE BusType,
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IN ULONG BusNumber,
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IN PKEY_VALUE_FULL_INFORMATION *BusInformation,
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IN CONFIGURATION_TYPE ControllerType,
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IN ULONG ControllerNumber,
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IN PKEY_VALUE_FULL_INFORMATION *ControllerInformation,
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IN CONFIGURATION_TYPE PeripheralType,
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IN ULONG PeripheralNumber,
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IN PKEY_VALUE_FULL_INFORMATION *PeripheralInformation
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);
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#ifdef RESOURCE_REQUIREMENTS
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NTSTATUS
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FsVgaQueryAperture(
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OUT PIO_RESOURCE_LIST *pApertureRequirements
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);
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#endif
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NTSTATUS
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FsVgaCreateResource(
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IN PFSVGA_CONFIGURATION_INFORMATION configuration,
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OUT PCM_PARTIAL_RESOURCE_LIST *pResourceList
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);
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VOID
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FsVgaServiceParameters(
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IN PFSVGA_CONFIGURATION_INFORMATION configuration,
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IN PUNICODE_STRING RegistryPath
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);
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NTSTATUS
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FsVgaOpenCloseDispatch(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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FsVgaDeviceControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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);
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NTSTATUS
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FsVgaCopyFrameBuffer(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_COPY_FRAME_BUFFER CopyFrameBuffer,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaWriteToFrameBuffer(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_WRITE_TO_FRAME_BUFFER WriteFrameBuffer,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaReverseMousePointer(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_REVERSE_MOUSE_POINTER MouseBuffer,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaSetMode(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_MODE_INFORMATION ModeInformation,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaSetScreenInformation(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_SCREEN_INFORMATION ScreenInformation,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaSetCursorPosition(
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PDEVICE_EXTENSION DeviceExtension,
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PFSVIDEO_CURSOR_POSITION CursorPosition,
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ULONG inputBufferLength
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);
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NTSTATUS
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FsVgaSetCursorAttribute(
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PDEVICE_EXTENSION DeviceExtension,
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PVIDEO_CURSOR_ATTRIBUTES CursorAttributes,
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ULONG inputBufferLength
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);
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VOID
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FsVgaLogError(
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IN PVOID Object,
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IN NTSTATUS ErrorCode,
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IN ULONG UniqueErrorValue,
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IN NTSTATUS FinalStatus,
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IN PULONG DumpData,
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IN ULONG DumpCount
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);
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#if DBG
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VOID
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FsVgaDebugPrint(
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ULONG DebugPrintLevel,
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PCCHAR DebugMessage,
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...
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);
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extern ULONG FsVgaDebug;
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#define FsVgaPrint(x) FsVgaDebugPrint x
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#else
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#define FsVgaPrint(x)
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#endif
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//
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// drawscrn.c
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//
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ULONG
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CalcGRAMSize(
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IN COORD WindowSize,
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IN PFSVIDEO_SCREEN_INFORMATION ScreenInfo,
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IN PEMULATE_BUFFER_INFORMATION EmulateInfo
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);
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PUCHAR
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CalcGRAMAddress(
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IN COORD WindowSize,
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IN PFSVIDEO_MODE_INFORMATION VideoModeInfo,
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IN PFSVIDEO_SCREEN_INFORMATION ScreenInfo,
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IN PEMULATE_BUFFER_INFORMATION EmulateInfo
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);
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#ifdef LATER_HIGH_SPPED_VRAM_ACCESS // kazum
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BOOLEAN
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IsGRAMRowOver(
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PUCHAR BufPtr,
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BOOLEAN fDbcs,
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IN PFSVIDEO_MODE_INFORMATION VideoModeInfo,
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IN PEMULATE_BUFFER_INFORMATION EmulateInfo
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);
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#endif // LATER_HIGH_SPPED_VRAM_ACCESS // kazum
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PUCHAR
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NextGRAMRow(
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PUCHAR BufPtr,
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IN PFSVIDEO_MODE_INFORMATION VideoModeInfo,
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IN PEMULATE_BUFFER_INFORMATION EmulateInfo
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);
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VOID
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memcpyGRAM(
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IN PCHAR TargetPtr,
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IN PCHAR SourcePtr,
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IN ULONG Length
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);
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VOID
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memcpyGRAMOver(
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IN PCHAR TargetPtr,
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IN PCHAR SourcePtr,
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IN ULONG Length,
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IN PUCHAR FrameBufPtr,
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IN PEMULATE_BUFFER_INFORMATION EmulateInfo
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);
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||
|
|
VOID
|
||
|
|
MoveGRAM(
|
||
|
|
IN PCHAR TargetPtr,
|
||
|
|
IN PCHAR SourcePtr,
|
||
|
|
IN ULONG Length,
|
||
|
|
IN PUCHAR FrameBufPtr,
|
||
|
|
IN PFSVGA_RESOURCE_INFORMATION ResourceInfo,
|
||
|
|
IN PEMULATE_BUFFER_INFORMATION EmulateInfo
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgVgaInitializeHWFlags(
|
||
|
|
PDEVICE_EXTENSION DeviceExtension
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgCopyFrameBuffer(
|
||
|
|
PDEVICE_EXTENSION DeviceExtension,
|
||
|
|
PFSVIDEO_COPY_FRAME_BUFFER CopyFrameBuffer,
|
||
|
|
ULONG inputBufferLength
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgWriteToFrameBuffer(
|
||
|
|
PDEVICE_EXTENSION DeviceExtension,
|
||
|
|
PFSVIDEO_WRITE_TO_FRAME_BUFFER WriteFrameBuffer,
|
||
|
|
ULONG inputBufferLength
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgReverseMousePointer(
|
||
|
|
PDEVICE_EXTENSION DeviceExtension,
|
||
|
|
PFSVIDEO_REVERSE_MOUSE_POINTER MouseBuffer,
|
||
|
|
ULONG inputBufferLength
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgInvertCursor(
|
||
|
|
PDEVICE_EXTENSION DeviceExtension,
|
||
|
|
BOOLEAN Invert
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgWriteToScreen(
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
PUCHAR BitmapBuffer,
|
||
|
|
ULONG cjBytes,
|
||
|
|
BOOLEAN fDbcs,
|
||
|
|
USHORT Attributes1,
|
||
|
|
USHORT Attributes2,
|
||
|
|
PDEVICE_EXTENSION DeviceExtension
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsgWriteToScreenCommonLVB(
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
USHORT Attributes,
|
||
|
|
PDEVICE_EXTENSION DeviceExtension
|
||
|
|
);
|
||
|
|
|
||
|
|
UCHAR
|
||
|
|
AccessGRAM_WR(
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
UCHAR write
|
||
|
|
);
|
||
|
|
|
||
|
|
UCHAR
|
||
|
|
AccessGRAM_RW(
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
UCHAR write
|
||
|
|
);
|
||
|
|
|
||
|
|
UCHAR
|
||
|
|
AccessGRAM_AND(
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
UCHAR write
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// foncache.c
|
||
|
|
//
|
||
|
|
ULONG
|
||
|
|
CalcBitmapBufferSize(
|
||
|
|
IN COORD FontSize,
|
||
|
|
IN ULONG dwAlign
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
AlignCopyMemory(
|
||
|
|
OUT PUCHAR pDestBits,
|
||
|
|
IN ULONG dwDestAlign,
|
||
|
|
IN PUCHAR pSrcBits,
|
||
|
|
IN ULONG dwSrcAlign,
|
||
|
|
IN COORD FontSize
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// misc.c
|
||
|
|
//
|
||
|
|
int
|
||
|
|
ConvertOutputToOem(
|
||
|
|
IN LPWSTR Source,
|
||
|
|
IN int SourceLength, // in chars
|
||
|
|
OUT LPSTR Target,
|
||
|
|
IN int TargetLength // in chars
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
TranslateOutputToOem(
|
||
|
|
OUT PCHAR_IMAGE_INFO OutputBuffer,
|
||
|
|
IN PCHAR_IMAGE_INFO InputBuffer,
|
||
|
|
IN ULONG Length
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// port.c
|
||
|
|
//
|
||
|
|
VOID
|
||
|
|
GetHardwareScrollReg(
|
||
|
|
PPORT_LIST PortList,
|
||
|
|
PEMULATE_BUFFER_INFORMATION EmulateInfo
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SetGRAMWriteMode(
|
||
|
|
PPORT_LIST PortList
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SetGRAMCopyMode(
|
||
|
|
PPORT_LIST PortList
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
SetGRAMInvertMode(
|
||
|
|
PPORT_LIST PortList
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
set_opaque_bkgnd_proc(
|
||
|
|
PPORT_LIST PortList,
|
||
|
|
PEMULATE_BUFFER_INFORMATION EmulateInfo,
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
USHORT Attributes
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ColorSetGridMask(
|
||
|
|
PPORT_LIST PortList,
|
||
|
|
UCHAR BitMask
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
ColorSetDirect(
|
||
|
|
PPORT_LIST PortList,
|
||
|
|
PUCHAR FrameBuffer,
|
||
|
|
UCHAR ColorFg,
|
||
|
|
UCHAR ColorBg
|
||
|
|
);
|
||
|
|
|
||
|
|
//
|
||
|
|
// pnp.c
|
||
|
|
//
|
||
|
|
VOID
|
||
|
|
FsVgaDriverUnload(
|
||
|
|
IN PDRIVER_OBJECT DriverObject
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaAddDevice(
|
||
|
|
IN PDRIVER_OBJECT DriverObject,
|
||
|
|
IN PDEVICE_OBJECT pdo
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaDevicePnp(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaDefaultPnpHandler(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaPnpRemoveDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaPnpStartDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaPnpStopDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
#ifdef RESOURCE_REQUIREMENTS
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaFilterResourceRequirements(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
#endif
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaDevicePower(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
FsVgaDefaultPowerHandler(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
CompleteRequest(
|
||
|
|
IN PIRP Irp,
|
||
|
|
IN NTSTATUS status,
|
||
|
|
IN ULONG info
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
ForwardAndWait(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
OnRequestComplete(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PIRP Irp,
|
||
|
|
IN PKEVENT pev
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
RemoveDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo
|
||
|
|
);
|
||
|
|
|
||
|
|
BOOLEAN
|
||
|
|
LockDevice(
|
||
|
|
IN PDEVICE_EXTENSION pdx
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
UnlockDevice(
|
||
|
|
IN PDEVICE_EXTENSION pdx
|
||
|
|
);
|
||
|
|
|
||
|
|
NTSTATUS
|
||
|
|
StartDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo,
|
||
|
|
IN PCM_PARTIAL_RESOURCE_LIST list
|
||
|
|
);
|
||
|
|
|
||
|
|
VOID
|
||
|
|
StopDevice(
|
||
|
|
IN PDEVICE_OBJECT fdo
|
||
|
|
);
|
||
|
|
|
||
|
|
#endif // _FSVGA_
|