#include "Qemu.h"
#include <IndustryStandard/Acpi.h>

Functions
EFI_STATUS EFIAPI	QemuVideoControllerDriverSupported (IN EFI_DRIVER_BINDING_PROTOCOL This, IN EFI_HANDLE Controller, IN EFI_DEVICE_PATH_PROTOCOL RemainingDevicePath)

EFI_STATUS EFIAPI	QemuVideoControllerDriverStart (IN EFI_DRIVER_BINDING_PROTOCOL This, IN EFI_HANDLE Controller, IN EFI_DEVICE_PATH_PROTOCOL RemainingDevicePath)

EFI_STATUS EFIAPI	QemuVideoControllerDriverStop (IN EFI_DRIVER_BINDING_PROTOCOL This, IN EFI_HANDLE Controller, IN UINTN NumberOfChildren, IN EFI_HANDLE ChildHandleBuffer)

VOID	outb (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Address, UINT8 Data)

VOID	outw (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Address, UINT16 Data)

UINT8	inb (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Address)

UINT16	inw (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Address)

VOID	SetPaletteColor (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Index, UINT8 Red, UINT8 Green, UINT8 Blue)

VOID	SetDefaultPalette (QEMU_VIDEO_PRIVATE_DATA *Private)

VOID	ClearScreen (QEMU_VIDEO_PRIVATE_DATA *Private)

VOID	DrawLogo (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN ScreenWidth, UINTN ScreenHeight)

VOID	InitializeCirrusGraphicsMode (QEMU_VIDEO_PRIVATE_DATA Private, QEMU_VIDEO_CIRRUS_MODES ModeData)

VOID	BochsWrite (QEMU_VIDEO_PRIVATE_DATA *Private, UINT16 Reg, UINT16 Data)

UINT16	BochsRead (QEMU_VIDEO_PRIVATE_DATA *Private, UINT16 Reg)

VOID	VgaOutb (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Reg, UINT8 Data)

STATIC UINT8	VgaInb (QEMU_VIDEO_PRIVATE_DATA *Private, UINTN Reg)

VOID	InitializeBochsGraphicsMode (QEMU_VIDEO_PRIVATE_DATA Private, QEMU_VIDEO_MODE_DATA ModeData)

EFI_STATUS EFIAPI	InitializeQemuVideo (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE *SystemTable)

Variables
EFI_DRIVER_BINDING_PROTOCOL	gQemuVideoDriverBinding

QEMU_VIDEO_CARD	gQemuVideoCardList []

Detailed Description

This driver is a sample implementation of the Graphics Output Protocol for the QEMU (Cirrus Logic 5446) video controller.

SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Driver.c.

Function Documentation

◆ BochsRead()

UINT16 BochsRead	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINT16	Reg
	)

Definition at line 928 of file Driver.c.

◆ BochsWrite()

VOID BochsWrite	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINT16	Reg,
		UINT16	Data
	)

Definition at line 903 of file Driver.c.

◆ ClearScreen()

VOID ClearScreen ( QEMU_VIDEO_PRIVATE_DATA * Private )

TODO: Add function description

Parameters

Private TODO: add argument description

TODO: add return values

Definition at line 806 of file Driver.c.

◆ DrawLogo()

VOID DrawLogo	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	ScreenWidth,
		UINTN	ScreenHeight
	)

TODO: Add function description

Parameters

Private TODO: add argument description

TODO: add return values

Definition at line 832 of file Driver.c.

◆ inb()

UINT8 inb	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Address
	)

TODO: Add function description

Parameters

Private	TODO: add argument description
Address	TODO: add argument description

TODO: add return values

Definition at line 695 of file Driver.c.

◆ InitializeBochsGraphicsMode()

VOID InitializeBochsGraphicsMode	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		QEMU_VIDEO_MODE_DATA *	ModeData
	)

Definition at line 1007 of file Driver.c.

◆ InitializeCirrusGraphicsMode()

VOID InitializeCirrusGraphicsMode	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		QEMU_VIDEO_CIRRUS_MODES *	ModeData
	)

TODO: Add function description

Parameters

Private	TODO: add argument description
ModeData	TODO: add argument description

TODO: add return values

Definition at line 850 of file Driver.c.

◆ InitializeQemuVideo()

EFI_STATUS EFIAPI InitializeQemuVideo	(	IN EFI_HANDLE	ImageHandle,
		IN EFI_SYSTEM_TABLE *	SystemTable
	)

Definition at line 1050 of file Driver.c.

◆ inw()

UINT16 inw	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Address
	)

TODO: Add function description

Parameters

Private	TODO: add argument description
Address	TODO: add argument description

TODO: add return values

Definition at line 723 of file Driver.c.

◆ outb()

VOID outb	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Address,
		UINT8	Data
	)

TODO: Add function description

Parameters

Private	TODO: add argument description
Address	TODO: add argument description
Data	TODO: add argument description

TODO: add return values

Definition at line 642 of file Driver.c.

◆ outw()

VOID outw	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Address,
		UINT16	Data
	)

TODO: Add function description

Parameters

Private	TODO: add argument description
Address	TODO: add argument description
Data	TODO: add argument description

TODO: add return values

Definition at line 669 of file Driver.c.

◆ QemuVideoControllerDriverStart()

EFI_STATUS EFIAPI QemuVideoControllerDriverStart	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	Controller,
		IN EFI_DEVICE_PATH_PROTOCOL *	RemainingDevicePath
	)

Start to process the controller.

Parameters

This	The USB bus driver binding instance.
Controller	The controller to check.
RemainingDevicePath	The remaining device patch.

Return values

EFI_SUCCESS	The controller is controlled by the usb bus.
EFI_ALREADY_STARTED	The controller is already controlled by the usb bus.
EFI_OUT_OF_RESOURCES	Failed to allocate resources.

Definition at line 193 of file Driver.c.

◆ QemuVideoControllerDriverStop()

EFI_STATUS EFIAPI QemuVideoControllerDriverStop	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	Controller,
		IN UINTN	NumberOfChildren,
		IN EFI_HANDLE *	ChildHandleBuffer
	)

Stop this device

Parameters

This	The USB bus driver binding protocol.
Controller	The controller to release.
NumberOfChildren	The number of children of this device that opened the controller BY_CHILD.
ChildHandleBuffer	The array of child handle.

Return values

EFI_SUCCESS	The controller or children are stopped.
EFI_DEVICE_ERROR	Failed to stop the driver.

Definition at line 535 of file Driver.c.

◆ QemuVideoControllerDriverSupported()

EFI_STATUS EFIAPI QemuVideoControllerDriverSupported	(	IN EFI_DRIVER_BINDING_PROTOCOL *	This,
		IN EFI_HANDLE	Controller,
		IN EFI_DEVICE_PATH_PROTOCOL *	RemainingDevicePath
	)

Check if this device is supported.

Parameters

This	The driver binding protocol.
Controller	The controller handle to check.
RemainingDevicePath	The remaining device path.

Return values

EFI_SUCCESS	The bus supports this controller.
EFI_UNSUPPORTED	This device isn't supported.

Definition at line 113 of file Driver.c.

◆ SetDefaultPalette()

VOID SetDefaultPalette ( QEMU_VIDEO_PRIVATE_DATA * Private )

TODO: Add function description

Parameters

Private TODO: add argument description

TODO: add return values

Definition at line 777 of file Driver.c.

◆ SetPaletteColor()

VOID SetPaletteColor	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Index,
		UINT8	Red,
		UINT8	Green,
		UINT8	Blue
	)

TODO: Add function description

Parameters

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

TODO: add return values

Definition at line 754 of file Driver.c.

◆ VgaInb()

STATIC UINT8 VgaInb	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Reg
	)

Definition at line 980 of file Driver.c.

◆ VgaOutb()

VOID VgaOutb	(	QEMU_VIDEO_PRIVATE_DATA *	Private,
		UINTN	Reg,
		UINT8	Data
	)

Definition at line 955 of file Driver.c.

Variable Documentation

◆ gQemuVideoCardList

QEMU_VIDEO_CARD gQemuVideoCardList[]

Definition at line 23 of file Driver.c.

◆ gQemuVideoDriverBinding

EFI_DRIVER_BINDING_PROTOCOL gQemuVideoDriverBinding

Initial value:

= {
  QemuVideoControllerDriverSupported,
  QemuVideoControllerDriverStart,
  QemuVideoControllerDriverStop,
  0x10,
  NULL,
  NULL
}

Definition at line 14 of file Driver.c.

Functions

Variables

Detailed Description

Function Documentation

◆ BochsRead()

◆ BochsWrite()

◆ ClearScreen()

◆ DrawLogo()

◆ inb()

◆ InitializeBochsGraphicsMode()

◆ InitializeCirrusGraphicsMode()

◆ InitializeQemuVideo()

◆ inw()

◆ outb()

◆ outw()

◆ QemuVideoControllerDriverStart()

◆ QemuVideoControllerDriverStop()

◆ QemuVideoControllerDriverSupported()

◆ SetDefaultPalette()

◆ SetPaletteColor()

◆ VgaInb()

◆ VgaOutb()

Variable Documentation

◆ gQemuVideoCardList

◆ gQemuVideoDriverBinding