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Implimented reset to text mode

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svn path=/trunk/; revision=1243
This commit is contained in:
Phillip Susi 2000-07-07 01:05:33 +00:00
parent 61ed9441a3
commit 21489b923a
1 changed files with 43 additions and 3 deletions
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46
reactos/drivers/dd/vga/miniport/initvga.c
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@ -1,7 +1,8 @@
#include <ntddk.h>
#include <debug.h>
#include "vgaVideo.h"
#include "../../../../ntoskrnl/include/internal/i386/io.h" #include "../../../../ntoskrnl/include/internal/i386/io.h"
#include "vgavideo.h"
void outxay(USHORT ad, UCHAR x, UCHAR y) void outxay(USHORT ad, UCHAR x, UCHAR y)
{ {
USHORT xy = (x << 8) + y; USHORT xy = (x << 8) + y;
@ -79,13 +80,26 @@ VideoMode Mode13 = {
0x0c, 0x0d, 0x0e, 0x0f, 0x41, 0x00, 0x0f, 0x00, 0x00} 0x0c, 0x0d, 0x0e, 0x0f, 0x41, 0x00, 0x0f, 0x00, 0x00}
}; };
VideoMode Mode3 = {
0xb800, 0x67, 0x00,
{ 0x03, 0x00, 0x3, 0x00, 0x2 },
{ 0x5f, 0x4f, 0x50, 0x82, 0x55, 0x81, 0xbf, 0x1f, 0x00, 0x4f, 0x0e, 0x0f,
0x00, 0x00, 0x00, 0x00, 0x9c, 0x0e, 0x8f, 0x28, 0x1f, 0x96, 0xb9, 0xa3,
0xff },
{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x0e, 0x00, 0xff },
{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b,
0x0c, 0x0d, 0x0e, 0x0f, 0x0c, 0x00, 0x0f, 0x08, 0x00 }
};
void InitVGAMode() void InitVGAMode()
{ {
int i; int i;
// FIXME: Use Vidport to map the memory properly // FIXME: Use Vidport to map the memory properly
vidmem = (char *)(0xd0000000 + 0xa0000); vidmem = (char *)(0xd0000000 + 0xa0000);
setMode(Mode12); setMode(Mode12);
WRITE_PORT_USHORT((PUSHORT)0x3C4, 0x0f02); // index=MASK MAP, write to all bitplanes WRITE_PORT_USHORT((PUSHORT)0x3C4, 0x0f02); // index=MASK MAP, write to all bitplanes
@ -95,3 +109,29 @@ void InitVGAMode()
vgaPreCalc(); vgaPreCalc();
} }
VOID VGAResetDevice(OUT PSTATUS_BLOCK StatusBlock)
{
char *vidmem;
HANDLE Event;
OBJECT_ATTRIBUTES Attr;
UNICODE_STRING Name;
NTSTATUS Status;
CHECKPOINT;
Event = 0;
setMode( Mode3 );
RtlInitUnicodeString( &Name, L"\\TextConsoleRefreshEvent" );
InitializeObjectAttributes( &Attr, &Name, 0, 0, 0 );
Status = NtOpenEvent( &Event, STANDARD_RIGHTS_ALL, &Attr );
if( !NT_SUCCESS( Status ) )
DbgPrint( "VGA: Failed to open refresh event\n" );
else {
NtSetEvent( Event, 1 );
NtClose( Event );
}
}