diff options
Diffstat (limited to 'EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c')
| -rw-r--r-- | EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c | 867 |
1 files changed, 0 insertions, 867 deletions
diff --git a/EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c b/EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c deleted file mode 100644 index 056d1154a1..0000000000 --- a/EdkModulePkg/Bus/Pci/CirrusLogic/Dxe/CirrusLogic5430UgaDraw.c +++ /dev/null @@ -1,867 +0,0 @@ -/** @file
- 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.
-
- 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.
-
-**/
-
-#include "CirrusLogic5430.h"
-
-STATIC
-VOID
-ClearScreen (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- );
-
-///
-/// 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 }
-};
-
-//
-// UGA Draw Protocol Member Functions
-//
-/**
- TODO: Add function description
-
- @param This TODO: add argument description
- @param HorizontalResolution TODO: add argument description
- @param VerticalResolution TODO: add argument description
- @param ColorDepth TODO: add argument description
- @param RefreshRate TODO: add argument description
-
- @retval EFI_NOT_STARTED TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_SUCCESS TODO: Add description for return value
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CirrusLogic5430UgaDrawGetMode (
- IN EFI_UGA_DRAW_PROTOCOL *This,
- OUT UINT32 *HorizontalResolution,
- OUT UINT32 *VerticalResolution,
- OUT UINT32 *ColorDepth,
- OUT UINT32 *RefreshRate
- )
-{
- 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;
-}
-
-/**
- TODO: Add function description
-
- @param This TODO: add argument description
- @param HorizontalResolution TODO: add argument description
- @param VerticalResolution TODO: add argument description
- @param ColorDepth TODO: add argument description
- @param RefreshRate TODO: add argument description
-
- @retval EFI_OUT_OF_RESOURCES TODO: Add description for return value
- @retval EFI_SUCCESS TODO: Add description for return value
- @retval EFI_NOT_FOUND TODO: Add description for return value
-
-**/
-STATIC
-EFI_STATUS
-EFIAPI
-CirrusLogic5430UgaDrawSetMode (
- IN EFI_UGA_DRAW_PROTOCOL *This,
- IN UINT32 HorizontalResolution,
- IN UINT32 VerticalResolution,
- IN UINT32 ColorDepth,
- IN UINT32 RefreshRate
- )
-{
- 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;
-}
-
-/**
- TODO: Add function description
-
- @param This TODO: add argument description
- @param BltBuffer TODO: add argument description
- @param BltOperation TODO: add argument description
- @param SourceX TODO: add argument description
- @param SourceY TODO: add argument description
- @param DestinationX TODO: add argument description
- @param DestinationY TODO: add argument description
- @param Width TODO: add argument description
- @param Height TODO: add argument description
- @param Delta TODO: add argument description
-
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_INVALID_PARAMETER TODO: Add description for return value
- @retval EFI_SUCCESS TODO: Add description for return value
-
-**/
-STATIC
-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
- )
-{
- 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 (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
-//
-
-/**
- CirrusLogic5430UgaDrawConstructor
-
- TODO: Private - add argument and description to function comment
- TODO: EFI_SUCCESS - add return value to function comment
-**/
-EFI_STATUS
-CirrusLogic5430UgaDrawConstructor (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- )
-{
- 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;
-}
-
-/**
- CirrusLogic5430UgaDrawDestructor
-
- TODO: Private - add argument and description to function comment
- TODO: EFI_SUCCESS - add return value to function comment
-**/
-EFI_STATUS
-CirrusLogic5430UgaDrawDestructor (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- )
-{
- return EFI_SUCCESS;
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param Address TODO: add argument description
- @param Data TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-outb (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- UINTN Address,
- UINT8 Data
- )
-{
- Private->PciIo->Io.Write (
- Private->PciIo,
- EfiPciIoWidthUint8,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Address,
- 1,
- &Data
- );
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param Address TODO: add argument description
- @param Data TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-outw (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- UINTN Address,
- UINT16 Data
- )
-{
- Private->PciIo->Io.Write (
- Private->PciIo,
- EfiPciIoWidthUint16,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Address,
- 1,
- &Data
- );
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param Address TODO: add argument description
-
- TODO: add return values
-
-**/
-UINT8
-inb (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- UINTN Address
- )
-{
- UINT8 Data;
-
- Private->PciIo->Io.Read (
- Private->PciIo,
- EfiPciIoWidthUint8,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Address,
- 1,
- &Data
- );
- return Data;
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param Address TODO: add argument description
-
- TODO: add return values
-
-**/
-UINT16
-inw (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- UINTN Address
- )
-{
- UINT16 Data;
-
- Private->PciIo->Io.Read (
- Private->PciIo,
- EfiPciIoWidthUint16,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Address,
- 1,
- &Data
- );
- return Data;
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param Index TODO: add argument description
- @param Red TODO: add argument description
- @param Green TODO: add argument description
- @param Blue TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-SetPaletteColor (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- UINTN Index,
- UINT8 Red,
- UINT8 Green,
- UINT8 Blue
- )
-{
- 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));
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-SetDefaultPalette (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- )
-{
- 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++;
- }
- }
- }
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
-
- TODO: add return values
-
-**/
-STATIC
-VOID
-ClearScreen (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- )
-{
- UINT32 Color;
-
- Color = 0;
- Private->PciIo->Mem.Write (
- Private->PciIo,
- EfiPciIoWidthFillUint32,
- 0,
- 0,
- 0x100000 >> 2,
- &Color
- );
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-DrawLogo (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
- )
-{
- 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
- );
- }
-}
-
-/**
- TODO: Add function description
-
- @param Private TODO: add argument description
- @param ModeData TODO: add argument description
-
- TODO: add return values
-
-**/
-VOID
-InitializeGraphicsMode (
- CIRRUS_LOGIC_5430_PRIVATE_DATA *Private,
- CIRRUS_LOGIC_5430_VIDEO_MODES *ModeData
- )
-{
- 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);
-}
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