mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
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513 lines
18 KiB
C
513 lines
18 KiB
C
/** @file
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _BIOS_GRAPHICS_OUTPUT_H
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#define _BIOS_GRAPHICS_OUTPUT_H
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#include <Uefi.h>
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//
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// Driver Consumed Protocol Prototypes
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//
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#include <Protocol/DevicePath.h>
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#include <Protocol/PciIo.h>
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#include <Protocol/DriverBinding.h>
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#include <Protocol/ComponentName.h>
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#include <Protocol/ComponentName2.h>
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#include <Protocol/UgaDraw.h>
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#include <Protocol/VgaMiniPort.h>
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#include <Protocol/Legacy8259.h>
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#include <Protocol/EdidActive.h>
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#include <Protocol/EdidDiscovered.h>
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#include <Protocol/DevicePath.h>
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#include <Library/UefiLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PrintLib.h>
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#include <Library/BaseLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/DevicePathLib.h>
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#include <IndustryStandard/Pci.h>
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#include "VesaBiosExtensions.h"
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//
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// Packed format support: The number of bits reserved for each of the colors and the actual
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// position of RGB in the frame buffer is specified in the VBE Mode information
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//
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typedef struct {
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UINT8 Position; // Position of the color
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UINT8 Mask; // The number of bits expressed as a mask
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} BIOS_VIDEO_COLOR_PLACEMENT;
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//
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// BIOS Graphics Output Graphical Mode Data
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//
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typedef struct {
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UINT16 VbeModeNumber;
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UINT16 BytesPerScanLine;
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VOID *LinearFrameBuffer;
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UINTN FrameBufferSize;
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UINT32 HorizontalResolution;
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UINT32 VerticalResolution;
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UINT32 ColorDepth;
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UINT32 RefreshRate;
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UINT32 BitsPerPixel;
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BIOS_VIDEO_COLOR_PLACEMENT Red;
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BIOS_VIDEO_COLOR_PLACEMENT Green;
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BIOS_VIDEO_COLOR_PLACEMENT Blue;
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BIOS_VIDEO_COLOR_PLACEMENT Reserved;
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EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
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EFI_PIXEL_BITMASK PixelBitMask;
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} BIOS_VIDEO_MODE_DATA;
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//
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// BIOS video child handle private data Structure
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//
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#define BIOS_VIDEO_DEV_SIGNATURE SIGNATURE_32 ('B', 'V', 'M', 'p')
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typedef struct {
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UINTN Signature;
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EFI_HANDLE Handle;
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//
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// Consumed Protocols inherited from parent controller.
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//
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_LEGACY_8259_PROTOCOL *Legacy8259;
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THUNK_CONTEXT *ThunkContext;
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//
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// Produced Protocols
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//
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EFI_GRAPHICS_OUTPUT_PROTOCOL GraphicsOutput;
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EFI_EDID_DISCOVERED_PROTOCOL EdidDiscovered;
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EFI_EDID_ACTIVE_PROTOCOL EdidActive;
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EFI_VGA_MINI_PORT_PROTOCOL VgaMiniPort;
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//
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// General fields
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//
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BOOLEAN VgaCompatible;
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BOOLEAN ProduceGraphicsOutput;
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//
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// Graphics Output Protocol related fields
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//
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BOOLEAN HardwareNeedsStarting;
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UINTN CurrentMode;
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UINTN MaxMode;
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BIOS_VIDEO_MODE_DATA *ModeData;
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UINT8 *LineBuffer;
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EFI_GRAPHICS_OUTPUT_BLT_PIXEL *VbeFrameBuffer;
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UINT8 *VgaFrameBuffer;
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//
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// VESA Bios Extensions related fields
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//
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UINTN NumberOfPagesBelow1MB; // Number of 4KB pages in PagesBelow1MB
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EFI_PHYSICAL_ADDRESS PagesBelow1MB; // Buffer for all VBE Information Blocks
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VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *VbeInformationBlock; // 0x200 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *VbeModeInformationBlock; // 0x100 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *VbeEdidDataBlock; // 0x80 bytes. Must be allocated below 1MB
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VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *VbeCrtcInformationBlock; // 59 bytes. Must be allocated below 1MB
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UINTN VbeSaveRestorePages; // Number of 4KB pages in VbeSaveRestoreBuffer
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EFI_PHYSICAL_ADDRESS VbeSaveRestoreBuffer; // Must be allocated below 1MB
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//
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// Status code
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//
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EFI_DEVICE_PATH_PROTOCOL *DevicePath;
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EFI_EVENT ExitBootServicesEvent;
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} BIOS_VIDEO_DEV;
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#define BIOS_VIDEO_DEV_FROM_PCI_IO_THIS(a) CR (a, BIOS_VIDEO_DEV, PciIo, BIOS_VIDEO_DEV_SIGNATURE)
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#define BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS(a) CR (a, BIOS_VIDEO_DEV, GraphicsOutput, BIOS_VIDEO_DEV_SIGNATURE)
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#define BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS(a) CR (a, BIOS_VIDEO_DEV, VgaMiniPort, BIOS_VIDEO_DEV_SIGNATURE)
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#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER 0xffff
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#define EFI_SEGMENT(_Adr) (UINT16) ((UINT16) (((UINTN) (_Adr)) >> 4) & 0xf000)
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#define EFI_OFFSET(_Adr) (UINT16) (((UINT16) ((UINTN) (_Adr))) & 0xffff)
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//
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// Global Variables
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//
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extern EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding;
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extern EFI_COMPONENT_NAME_PROTOCOL gBiosVideoComponentName;
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extern EFI_COMPONENT_NAME2_PROTOCOL gBiosVideoComponentName2;
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//
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// Driver Binding Protocol functions
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//
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/**
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Test to see if Bios Video could be supported on the Controller.
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@param This Pointer to driver binding protocol
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@param Controller Controller handle to connect
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@param RemainingDevicePath A pointer to the remaining portion of a device path
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@retval EFI_SUCCESS This driver supports this device.
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@retval other This driver does not support this device.
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Install Graphics Output Protocol onto VGA device handles
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@param This Pointer to driver binding protocol
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@param Controller Controller handle to connect
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@param RemainingDevicePath A pointer to the remaining portion of a device path
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@return EFI_STATUS
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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);
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/**
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Stop this driver on Controller
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@param This Protocol instance pointer.
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@param Controller Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed Controller.
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@retval other This driver was not removed from this device.
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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);
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//
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// Private worker functions
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//
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/**
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Check for VBE device.
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@param BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
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@retval EFI_SUCCESS VBE device found
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoCheckForVbe (
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IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
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);
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/**
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Check for VGA device.
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@param BiosVideoPrivate - Pointer to BIOS_VIDEO_DEV structure
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@retval EFI_SUCCESS Standard VGA device found
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoCheckForVga (
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IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate
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);
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/**
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Collect the resource from destroyed bios video device.
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@param BiosVideoPrivate Video child device private data structure
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**/
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VOID
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BiosVideoDeviceReleaseResource (
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BIOS_VIDEO_DEV *BiosVideoChildPrivate
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)
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;
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//
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// BIOS Graphics Output Protocol functions
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//
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/**
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@param This Protocol instance pointer.
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@param ModeNumber The mode number to return information on.
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@param SizeOfInfo A pointer to the size, in bytes, of the Info
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buffer.
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@param Info Caller allocated buffer that returns information
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about ModeNumber.
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
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@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the
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video mode.
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@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
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@retval EFI_INVALID_PARAMETER One of the input args was NULL.
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoGraphicsOutputQueryMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN UINT32 ModeNumber,
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OUT UINTN *SizeOfInfo,
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OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
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);
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/**
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Graphics Output protocol interface to set video mode
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@param This - Protocol instance pointer.
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@param ModeNumber - The mode number to be set.
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@return EFI_SUCCESS - Graphics mode was changed.
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EFI_DEVICE_ERROR - The device had an error and could not complete the request.
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EFI_UNSUPPORTED - ModeNumber is not supported by this device.
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoGraphicsOutputSetMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
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IN UINT32 ModeNumber
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);
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/**
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Graphics Output protocol instance to block transfer for VBE device
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@param This - Pointer to Graphics Output protocol instance
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@param BltBuffer - The data to transfer to screen
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@param BltOperation - The operation to perform
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@param SourceX - The X coordinate of the source for BltOperation
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@param SourceY - The Y coordinate of the source for BltOperation
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@param DestinationX - The X coordinate of the destination for BltOperation
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@param DestinationY - The Y coordinate of the destination for BltOperation
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@param Width - The width of a rectangle in the blt rectangle in pixels
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@param Height - The height of a rectangle in the blt rectangle in pixels
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@param Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
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If a Delta of 0 is used, the entire BltBuffer will be operated on.
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If a subrectangle of the BltBuffer is used, then Delta represents
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the number of bytes in a row of the BltBuffer.
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@return EFI_INVALID_PARAMETER - Invalid parameter passed in
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EFI_SUCCESS - Blt operation success
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoGraphicsOutputVbeBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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);
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/**
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Grahpics Output protocol instance to block transfer for VGA device
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@param This Pointer to Grahpics Output protocol instance
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@param BltBuffer The data to transfer to screen
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@param BltOperation The operation to perform
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@param SourceX The X coordinate of the source for BltOperation
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@param SourceY The Y coordinate of the source for BltOperation
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@param DestinationX The X coordinate of the destination for BltOperation
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@param DestinationY The Y coordinate of the destination for BltOperation
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@param Width The width of a rectangle in the blt rectangle in pixels
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@param Height The height of a rectangle in the blt rectangle in pixels
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@param Delta Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
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If a Delta of 0 is used, the entire BltBuffer will be operated on.
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If a subrectangle of the BltBuffer is used, then Delta represents
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the number of bytes in a row of the BltBuffer.
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@retval EFI_INVALID_PARAMETER Invalid parameter passed in
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@retval EFI_SUCCESS Blt operation success
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoGraphicsOutputVgaBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta
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);
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//
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// BIOS VGA Mini Port Protocol functions
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//
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/**
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VgaMiniPort protocol interface to set mode.
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@param This Pointer to VgaMiniPort protocol instance
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@param ModeNumber The index of the mode
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@retval EFI_UNSUPPORTED The requested mode is not supported
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@retval EFI_SUCCESS The requested mode is set successfully
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**/
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EFI_STATUS
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EFIAPI
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BiosVideoVgaMiniPortSetMode (
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IN EFI_VGA_MINI_PORT_PROTOCOL *This,
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IN UINTN ModeNumber
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);
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/**
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Judge whether this device is VGA device.
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@param PciIo Parent PciIo protocol instance pointer
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@retval TRUE Is vga device
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@retval FALSE Is no vga device
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**/
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BOOLEAN
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BiosVideoIsVga (
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IN EFI_PCI_IO_PROTOCOL *PciIo
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)
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;
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//
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// Standard VGA Definitions
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//
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#define VGA_HORIZONTAL_RESOLUTION 640
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#define VGA_VERTICAL_RESOLUTION 480
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#define VGA_NUMBER_OF_BIT_PLANES 4
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#define VGA_PIXELS_PER_BYTE 8
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#define VGA_BYTES_PER_SCAN_LINE (VGA_HORIZONTAL_RESOLUTION / VGA_PIXELS_PER_BYTE)
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#define VGA_BYTES_PER_BIT_PLANE (VGA_VERTICAL_RESOLUTION * VGA_BYTES_PER_SCAN_LINE)
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#define VGA_GRAPHICS_CONTROLLER_ADDRESS_REGISTER 0x3ce
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#define VGA_GRAPHICS_CONTROLLER_DATA_REGISTER 0x3cf
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#define VGA_GRAPHICS_CONTROLLER_SET_RESET_REGISTER 0x00
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#define VGA_GRAPHICS_CONTROLLER_ENABLE_SET_RESET_REGISTER 0x01
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#define VGA_GRAPHICS_CONTROLLER_COLOR_COMPARE_REGISTER 0x02
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#define VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER 0x03
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE 0x00
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_AND 0x08
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_OR 0x10
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#define VGA_GRAPHICS_CONTROLLER_FUNCTION_XOR 0x18
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#define VGA_GRAPHICS_CONTROLLER_READ_MAP_SELECT_REGISTER 0x04
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#define VGA_GRAPHICS_CONTROLLER_MODE_REGISTER 0x05
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#define VGA_GRAPHICS_CONTROLLER_READ_MODE_0 0x00
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#define VGA_GRAPHICS_CONTROLLER_READ_MODE_1 0x08
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_0 0x00
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1 0x01
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2 0x02
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#define VGA_GRAPHICS_CONTROLLER_WRITE_MODE_3 0x03
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#define VGA_GRAPHICS_CONTROLLER_MISCELLANEOUS_REGISTER 0x06
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#define VGA_GRAPHICS_CONTROLLER_COLOR_DONT_CARE_REGISTER 0x07
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#define VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER 0x08
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/**
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Initialize legacy environment for BIOS INI caller.
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@param ThunkContext the instance pointer of THUNK_CONTEXT
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**/
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VOID
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InitializeBiosIntCaller (
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THUNK_CONTEXT *ThunkContext
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);
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/**
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Initialize interrupt redirection code and entries, because
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IDT Vectors 0x68-0x6f must be redirected to IDT Vectors 0x08-0x0f.
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Or the interrupt will lost when we do thunk.
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NOTE: We do not reset 8259 vector base, because it will cause pending
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interrupt lost.
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@param Legacy8259 Instance pointer for EFI_LEGACY_8259_PROTOCOL.
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**/
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VOID
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InitializeInterruptRedirection (
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IN EFI_LEGACY_8259_PROTOCOL *Legacy8259
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);
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/**
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Thunk to 16-bit real mode and execute a software interrupt with a vector
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of BiosInt. Regs will contain the 16-bit register context on entry and
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exit.
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@param This Protocol instance pointer.
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@param BiosInt Processor interrupt vector to invoke
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@param Reg Register contexted passed into (and returned) from thunk to 16-bit mode
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@retval TRUE Thunk completed, and there were no BIOS errors in the target code.
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See Regs for status.
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@retval FALSE There was a BIOS erro in the target code.
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**/
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BOOLEAN
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EFIAPI
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LegacyBiosInt86 (
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IN BIOS_VIDEO_DEV *BiosDev,
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IN UINT8 BiosInt,
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IN IA32_REGISTER_SET *Regs
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);
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#endif
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