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audk/EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c

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Initial import. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
2006-04-22 00:54:32 +02:00
/*++
Copyright (c) 2006, Intel Corporation
All rights reserved. This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
CirrusLogic5430UgaDraw.c
Abstract:
This file produces the graphics abstration of UGA Draw. It is called by
CirrusLogic5430.c file which deals with the EFI 1.1 driver model.
This file just does graphics.
--*/
#include "CirrusLogic5430.h"
//
// Video Mode structure
//
typedef struct {
UINT32 Width;
UINT32 Height;
UINT32 ColorDepth;
UINT32 RefreshRate;
UINT8 *CrtcSettings;
UINT16 *SeqSettings;
UINT8 MiscSetting;
} CIRRUS_LOGIC_5430_VIDEO_MODES;
//
// Generic Attribute Controller Register Settings
//
static UINT8 AttributeController[21] = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
0x41, 0x00, 0x0F, 0x00, 0x00
};
//
// Generic Graphics Controller Register Settings
//
static UINT8 GraphicsController[9] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, 0xFF
};
//
// 640 x 480 x 256 color @ 60 Hertz
//
static UINT8 Crtc_640_480_256_60[28] = {
0x5d, 0x4f, 0x50, 0x82, 0x53, 0x9f, 0x00, 0x3e,
0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xe1, 0x83, 0xdf, 0x50, 0x00, 0xe7, 0x04, 0xe3,
0xff, 0x00, 0x00, 0x22
};
static UINT16 Seq_640_480_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x7e0e, 0x2b1b, 0x2f1c, 0x301d, 0x331e
};
//
// 800 x 600 x 256 color @ 60 Hertz
//
static UINT8 Crtc_800_600_256_60[28] = {
0x7F, 0x63, 0x64, 0x80, 0x6B, 0x1B, 0x72, 0xF0,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x58, 0x8C, 0x57, 0x64, 0x00, 0x5F, 0x91, 0xE3,
0xFF, 0x00, 0x00, 0x22
};
static UINT16 Seq_800_600_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x510e, 0x2b1b, 0x2f1c, 0x301d, 0x3a1e
};
//
// 1024 x 768 x 256 color @ 60 Hertz
//
static UINT8 Crtc_1024_768_256_60[28] = {
0xA3, 0x7F, 0x80, 0x86, 0x85, 0x96, 0x24, 0xFD,
0x00, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x02, 0x88, 0xFF, 0x80, 0x00, 0x00, 0x24, 0xE3,
0xFF, 0x4A, 0x00, 0x22
};
static UINT16 Seq_1024_768_256_60[15] = {
0x0100, 0x0101, 0x0f02, 0x0003, 0x0e04, 0x1107, 0x0008, 0x4a0b,
0x5b0c, 0x450d, 0x760e, 0x2b1b, 0x2f1c, 0x301d, 0x341e
};
//
// Table of supported video modes
//
static CIRRUS_LOGIC_5430_VIDEO_MODES CirrusLogic5430VideoModes[] = {
{ 640, 480, 8, 60, Crtc_640_480_256_60, Seq_640_480_256_60, 0xe3 },
{ 800, 600, 8, 60, Crtc_800_600_256_60, Seq_800_600_256_60, 0xef },
{ 1024, 768, 8, 60, Crtc_1024_768_256_60, Seq_1024_768_256_60, 0xef }
};
//
// Local Function Prototypes
//
VOID
InitializeGraphicsMode (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
CIRRUS_LOGIC_5430_VIDEO_MODES *ModeData
);
VOID
SetPaletteColor (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Index,
UINT8 Red,
UINT8 Green,
UINT8 Blue
);
VOID
SetDefaultPalette (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
);
STATIC
VOID
ClearScreen (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
);
VOID
DrawLogo (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
);
VOID
outb (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address,
UINT8 Data
);
VOID
outw (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address,
UINT16 Data
);
UINT8
inb (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address
);
UINT16
inw (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address
);
//
// UGA Draw Protocol Member Functions
//
EFI_STATUS
EFIAPI
CirrusLogic5430UgaDrawGetMode (
IN EFI_UGA_DRAW_PROTOCOL *This,
OUT UINT32 *HorizontalResolution,
OUT UINT32 *VerticalResolution,
OUT UINT32 *ColorDepth,
OUT UINT32 *RefreshRate
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
HorizontalResolution - TODO: add argument description
VerticalResolution - TODO: add argument description
ColorDepth - TODO: add argument description
RefreshRate - TODO: add argument description
Returns:
EFI_NOT_STARTED - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_SUCCESS - TODO: Add description for return value
--*/
{
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
if (Private->HardwareNeedsStarting) {
return EFI_NOT_STARTED;
}
if ((HorizontalResolution == NULL) ||
(VerticalResolution == NULL) ||
(ColorDepth == NULL) ||
(RefreshRate == NULL)) {
return EFI_INVALID_PARAMETER;
}
*HorizontalResolution = Private->ModeData[Private->CurrentMode].HorizontalResolution;
*VerticalResolution = Private->ModeData[Private->CurrentMode].VerticalResolution;
*ColorDepth = Private->ModeData[Private->CurrentMode].ColorDepth;
*RefreshRate = Private->ModeData[Private->CurrentMode].RefreshRate;
return EFI_SUCCESS;
}
EFI_STATUS
EFIAPI
CirrusLogic5430UgaDrawSetMode (
IN EFI_UGA_DRAW_PROTOCOL *This,
IN UINT32 HorizontalResolution,
IN UINT32 VerticalResolution,
IN UINT32 ColorDepth,
IN UINT32 RefreshRate
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
HorizontalResolution - TODO: add argument description
VerticalResolution - TODO: add argument description
ColorDepth - TODO: add argument description
RefreshRate - TODO: add argument description
Returns:
EFI_OUT_OF_RESOURCES - TODO: Add description for return value
EFI_SUCCESS - TODO: Add description for return value
EFI_NOT_FOUND - TODO: Add description for return value
--*/
{
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
UINTN Index;
Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
for (Index = 0; Index < Private->MaxMode; Index++) {
if (HorizontalResolution != Private->ModeData[Index].HorizontalResolution) {
continue;
}
if (VerticalResolution != Private->ModeData[Index].VerticalResolution) {
continue;
}
if (ColorDepth != Private->ModeData[Index].ColorDepth) {
continue;
}
if (RefreshRate != Private->ModeData[Index].RefreshRate) {
continue;
}
if (Private->LineBuffer) {
gBS->FreePool (Private->LineBuffer);
}
Private->LineBuffer = NULL;
Private->LineBuffer = AllocatePool (HorizontalResolution);
if (Private->LineBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
InitializeGraphicsMode (Private, &CirrusLogic5430VideoModes[Index]);
Private->CurrentMode = Index;
Private->HardwareNeedsStarting = FALSE;
return EFI_SUCCESS;
}
return EFI_NOT_FOUND;
}
EFI_STATUS
EFIAPI
CirrusLogic5430UgaDrawBlt (
IN EFI_UGA_DRAW_PROTOCOL *This,
IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
IN EFI_UGA_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
BltBuffer - TODO: add argument description
BltOperation - TODO: add argument description
SourceX - TODO: add argument description
SourceY - TODO: add argument description
DestinationX - TODO: add argument description
DestinationY - TODO: add argument description
Width - TODO: add argument description
Height - TODO: add argument description
Delta - TODO: add argument description
Returns:
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_INVALID_PARAMETER - TODO: Add description for return value
EFI_SUCCESS - TODO: Add description for return value
--*/
{
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
EFI_TPL OriginalTPL;
UINTN DstY;
UINTN SrcY;
EFI_UGA_PIXEL *Blt;
UINTN X;
UINT8 Pixel;
UINT32 WidePixel;
UINTN ScreenWidth;
UINTN Offset;
UINTN SourceOffset;
Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {
return EFI_INVALID_PARAMETER;
}
if (Width == 0 || Height == 0) {
return EFI_INVALID_PARAMETER;
}
//
// If Delta is zero, then the entire BltBuffer is being used, so Delta
// is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
// the number of bytes in each row can be computed.
//
if (Delta == 0) {
Delta = Width * sizeof (EFI_UGA_PIXEL);
}
//
// We need to fill the Virtual Screen buffer with the blt data.
// The virtual screen is upside down, as the first row is the bootom row of
// the image.
//
//
// Make sure the SourceX, SourceY, DestinationX, DestinationY, Width, and Height parameters
// are valid for the operation and the current screen geometry.
//
if (BltOperation == EfiUgaVideoToBltBuffer) {
//
// Video to BltBuffer: Source is Video, destination is BltBuffer
//
if (SourceY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
return EFI_INVALID_PARAMETER;
}
if (SourceX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
return EFI_INVALID_PARAMETER;
}
} else {
//
// BltBuffer to Video: Source is BltBuffer, destination is Video
//
if (DestinationY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
return EFI_INVALID_PARAMETER;
}
if (DestinationX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
return EFI_INVALID_PARAMETER;
}
}
//
// We have to raise to TPL Notify, so we make an atomic write the frame buffer.
// We would not want a timer based event (Cursor, ...) to come in while we are
// doing this operation.
//
OriginalTPL = gBS->RaiseTPL (EFI_TPL_NOTIFY);
switch (BltOperation) {
case EfiUgaVideoToBltBuffer:
//
// Video to BltBuffer: Source is Video, destination is BltBuffer
//
for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {
Offset = (SrcY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + SourceX;
if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
Private->PciIo->Mem.Read (
Private->PciIo,
EfiPciIoWidthUint32,
0,
Offset,
Width >> 2,
Private->LineBuffer
);
} else {
Private->PciIo->Mem.Read (
Private->PciIo,
EfiPciIoWidthUint8,
0,
Offset,
Width,
Private->LineBuffer
);
}
for (X = 0; X < Width; X++) {
Blt = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + (DestinationX + X) * sizeof (EFI_UGA_PIXEL));
Blt->Red = (UINT8) (Private->LineBuffer[X] & 0xe0);
Blt->Green = (UINT8) ((Private->LineBuffer[X] & 0x1c) << 3);
Blt->Blue = (UINT8) ((Private->LineBuffer[X] & 0x03) << 6);
}
}
break;
case EfiUgaVideoToVideo:
//
// Perform hardware acceleration for Video to Video operations
//
ScreenWidth = Private->ModeData[Private->CurrentMode].HorizontalResolution;
SourceOffset = (SourceY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (SourceX);
Offset = (DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (DestinationX);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0000);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0010);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0012);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0014);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0001);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0011);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0013);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0015);
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((Width << 8) & 0xff00) | 0x20));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((Width & 0xff00) | 0x21));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((Height << 8) & 0xff00) | 0x22));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((Height & 0xff00) | 0x23));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((ScreenWidth << 8) & 0xff00) | 0x24));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((ScreenWidth & 0xff00) | 0x25));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((ScreenWidth << 8) & 0xff00) | 0x26));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((ScreenWidth & 0xff00) | 0x27));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) << 8) & 0xff00) | 0x28));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) >> 0) & 0xff00) | 0x29));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) >> 8) & 0xff00) | 0x2a));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) << 8) & 0xff00) | 0x2c));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) >> 0) & 0xff00) | 0x2d));
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) >> 8) & 0xff00) | 0x2e));
outw (Private, GRAPH_ADDRESS_REGISTER, 0x002f);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0030);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0d32);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0033);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0034);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0035);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0231);
outb (Private, GRAPH_ADDRESS_REGISTER, 0x31);
while ((inb (Private, GRAPH_DATA_REGISTER) & 0x01) == 0x01)
;
break;
case EfiUgaVideoFill:
Blt = BltBuffer;
Pixel = (UINT8) ((Blt->Red & 0xe0) | ((Blt->Green >> 3) & 0x1c) | ((Blt->Blue >> 6) & 0x03));
WidePixel = (Pixel << 8) | Pixel;
WidePixel = (WidePixel << 16) | WidePixel;
if (DestinationX == 0 && Width == Private->ModeData[Private->CurrentMode].HorizontalResolution) {
Offset = DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution;
if (((Offset & 0x03) == 0) && (((Width * Height) & 0x03) == 0)) {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint32,
0,
Offset,
(Width * Height) >> 2,
&WidePixel
);
} else {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint8,
0,
Offset,
Width * Height,
&Pixel
);
}
} else {
for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint32,
0,
Offset,
Width >> 2,
&WidePixel
);
} else {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint8,
0,
Offset,
Width,
&Pixel
);
}
}
}
break;
case EfiUgaBltBufferToVideo:
for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
for (X = 0; X < Width; X++) {
Blt = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Delta) + (SourceX + X) * sizeof (EFI_UGA_PIXEL));
Private->LineBuffer[X] = (UINT8) ((Blt->Red & 0xe0) | ((Blt->Green >> 3) & 0x1c) | ((Blt->Blue >> 6) & 0x03));
}
Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthUint32,
0,
Offset,
Width >> 2,
Private->LineBuffer
);
} else {
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthUint8,
0,
Offset,
Width,
Private->LineBuffer
);
}
}
break;
default:
break;
}
gBS->RestoreTPL (OriginalTPL);
return EFI_SUCCESS;
}
//
// Construction and Destruction functions
//
EFI_STATUS
CirrusLogic5430UgaDrawConstructor (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
// TODO: Private - add argument and description to function comment
// TODO: EFI_SUCCESS - add return value to function comment
{
EFI_UGA_DRAW_PROTOCOL *UgaDraw;
UINTN Index;
//
// Fill in Private->UgaDraw protocol
//
UgaDraw = &Private->UgaDraw;
UgaDraw->GetMode = CirrusLogic5430UgaDrawGetMode;
UgaDraw->SetMode = CirrusLogic5430UgaDrawSetMode;
UgaDraw->Blt = CirrusLogic5430UgaDrawBlt;
//
// Initialize the private data
//
Private->MaxMode = CIRRUS_LOGIC_5430_UGA_DRAW_MODE_COUNT;
Private->CurrentMode = 0;
for (Index = 0; Index < Private->MaxMode; Index++) {
Private->ModeData[Index].HorizontalResolution = CirrusLogic5430VideoModes[Index].Width;
Private->ModeData[Index].VerticalResolution = CirrusLogic5430VideoModes[Index].Height;
Private->ModeData[Index].ColorDepth = 32;
Private->ModeData[Index].RefreshRate = CirrusLogic5430VideoModes[Index].RefreshRate;
}
Private->HardwareNeedsStarting = TRUE;
Private->LineBuffer = NULL;
//
// Initialize the hardware
//
UgaDraw->SetMode (
UgaDraw,
Private->ModeData[Private->CurrentMode].HorizontalResolution,
Private->ModeData[Private->CurrentMode].VerticalResolution,
Private->ModeData[Private->CurrentMode].ColorDepth,
Private->ModeData[Private->CurrentMode].RefreshRate
);
DrawLogo (Private);
return EFI_SUCCESS;
}
EFI_STATUS
CirrusLogic5430UgaDrawDestructor (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
)
/*++
Routine Description:
Arguments:
Returns:
None
--*/
// TODO: Private - add argument and description to function comment
// TODO: EFI_SUCCESS - add return value to function comment
{
return EFI_SUCCESS;
}
VOID
outb (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address,
UINT8 Data
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Address - TODO: add argument description
Data - TODO: add argument description
Returns:
TODO: add return values
--*/
{
Private->PciIo->Io.Write (
Private->PciIo,
EfiPciIoWidthUint8,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
}
VOID
outw (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address,
UINT16 Data
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Address - TODO: add argument description
Data - TODO: add argument description
Returns:
TODO: add return values
--*/
{
Private->PciIo->Io.Write (
Private->PciIo,
EfiPciIoWidthUint16,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
}
UINT8
inb (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Address - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINT8 Data;
Private->PciIo->Io.Read (
Private->PciIo,
EfiPciIoWidthUint8,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
return Data;
}
UINT16
inw (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Address
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Address - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINT16 Data;
Private->PciIo->Io.Read (
Private->PciIo,
EfiPciIoWidthUint16,
EFI_PCI_IO_PASS_THROUGH_BAR,
Address,
1,
&Data
);
return Data;
}
VOID
SetPaletteColor (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
UINTN Index,
UINT8 Red,
UINT8 Green,
UINT8 Blue
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Index - TODO: add argument description
Red - TODO: add argument description
Green - TODO: add argument description
Blue - TODO: add argument description
Returns:
TODO: add return values
--*/
{
outb (Private, PALETTE_INDEX_REGISTER, (UINT8) Index);
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Red >> 2));
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Green >> 2));
outb (Private, PALETTE_DATA_REGISTER, (UINT8) (Blue >> 2));
}
VOID
SetDefaultPalette (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINTN Index;
UINTN RedIndex;
UINTN GreenIndex;
UINTN BlueIndex;
Index = 0;
for (RedIndex = 0; RedIndex < 8; RedIndex++) {
for (GreenIndex = 0; GreenIndex < 8; GreenIndex++) {
for (BlueIndex = 0; BlueIndex < 4; BlueIndex++) {
SetPaletteColor (Private, Index, (UINT8) (RedIndex << 5), (UINT8) (GreenIndex << 5), (UINT8) (BlueIndex << 6));
Index++;
}
}
}
}
STATIC
VOID
ClearScreen (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINT32 Color;
Color = 0;
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthFillUint32,
0,
0,
0x100000 >> 2,
&Color
);
}
VOID
DrawLogo (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINTN Offset;
UINTN X;
UINTN Y;
UINTN ScreenWidth;
UINTN ScreenHeight;
UINT8 Color;
ScreenWidth = Private->ModeData[Private->CurrentMode].HorizontalResolution;
ScreenHeight = Private->ModeData[Private->CurrentMode].VerticalResolution;
Offset = 0;
for (Y = 0; Y < ScreenHeight; Y++) {
for (X = 0; X < ScreenWidth; X++) {
Color = (UINT8) (256 * (X + Y) / (ScreenWidth + ScreenHeight));
Private->LineBuffer[X] = Color;
}
Private->PciIo->Mem.Write (
Private->PciIo,
EfiPciIoWidthUint32,
0,
Offset + (Y * ScreenWidth),
ScreenWidth >> 2,
Private->LineBuffer
);
}
}
VOID
InitializeGraphicsMode (
CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
CIRRUS_LOGIC_5430_VIDEO_MODES *ModeData
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
ModeData - TODO: add argument description
Returns:
TODO: add return values
--*/
{
UINT8 Byte;
UINTN Index;
outw (Private, SEQ_ADDRESS_REGISTER, 0x1206);
outw (Private, SEQ_ADDRESS_REGISTER, 0x0012);
for (Index = 0; Index < 15; Index++) {
outw (Private, SEQ_ADDRESS_REGISTER, ModeData->SeqSettings[Index]);
}
outb (Private, SEQ_ADDRESS_REGISTER, 0x0f);
Byte = (UINT8) ((inb (Private, SEQ_DATA_REGISTER) & 0xc7) ^ 0x30);
outb (Private, SEQ_DATA_REGISTER, Byte);
outb (Private, MISC_OUTPUT_REGISTER, ModeData->MiscSetting);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0506);
outw (Private, SEQ_ADDRESS_REGISTER, 0x0300);
outw (Private, CRTC_ADDRESS_REGISTER, 0x2011);
for (Index = 0; Index < 28; Index++) {
outw (Private, CRTC_ADDRESS_REGISTER, (UINT16) ((ModeData->CrtcSettings[Index] << 8) | Index));
}
for (Index = 0; Index < 9; Index++) {
outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((GraphicsController[Index] << 8) | Index));
}
inb (Private, INPUT_STATUS_1_REGISTER);
for (Index = 0; Index < 21; Index++) {
outb (Private, ATT_ADDRESS_REGISTER, (UINT8) Index);
outb (Private, ATT_ADDRESS_REGISTER, AttributeController[Index]);
}
outb (Private, ATT_ADDRESS_REGISTER, 0x20);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x0009);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x000a);
outw (Private, GRAPH_ADDRESS_REGISTER, 0x000b);
outb (Private, DAC_PIXEL_MASK_REGISTER, 0xff);
SetDefaultPalette (Private);
ClearScreen (Private);
}