Qemu.h

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//
// QEMU Video Controller Driver
//
 
#ifndef _QEMU_H_
#define _QEMU_H_
 
#include <PiDxe.h>
#include <Protocol/GraphicsOutput.h>
#include <Protocol/PciIo.h>
#include <Protocol/DriverSupportedEfiVersion.h>
#include <Protocol/DevicePath.h>
 
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/PcdLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DevicePathLib.h>
#include <Library/TimerLib.h>
#include <Library/FrameBufferBltLib.h>
 
#include <IndustryStandard/Pci.h>
#include <IndustryStandard/Acpi.h>
 
//
// QEMU Video PCI Configuration Header values
//
#define CIRRUS_LOGIC_VENDOR_ID                 0x1013
#define CIRRUS_LOGIC_5430_DEVICE_ID            0x00a8
#define CIRRUS_LOGIC_5430_ALTERNATE_DEVICE_ID  0x00a0
#define CIRRUS_LOGIC_5446_DEVICE_ID            0x00b8
 
//
// QEMU Vide Graphical Mode Data
//
typedef struct {
  UINT32    InternalModeIndex; // points into card-specific mode table
  UINT32    HorizontalResolution;
  UINT32    VerticalResolution;
  UINT32    ColorDepth;
} QEMU_VIDEO_MODE_DATA;
 
#define PIXEL_RED_SHIFT    0
#define PIXEL_GREEN_SHIFT  3
#define PIXEL_BLUE_SHIFT   6
 
#define PIXEL_RED_MASK    (BIT7 | BIT6 | BIT5)
#define PIXEL_GREEN_MASK  (BIT4 | BIT3 | BIT2)
#define PIXEL_BLUE_MASK   (BIT1 | BIT0)
 
#define PIXEL_TO_COLOR_BYTE(pixel, mask, shift)  ((UINT8) ((pixel & mask) << shift))
#define PIXEL_TO_RED_BYTE(pixel)                 PIXEL_TO_COLOR_BYTE(pixel, PIXEL_RED_MASK, PIXEL_RED_SHIFT)
#define PIXEL_TO_GREEN_BYTE(pixel)               PIXEL_TO_COLOR_BYTE(pixel, PIXEL_GREEN_MASK, PIXEL_GREEN_SHIFT)
#define PIXEL_TO_BLUE_BYTE(pixel)                PIXEL_TO_COLOR_BYTE(pixel, PIXEL_BLUE_MASK, PIXEL_BLUE_SHIFT)
 
#define RGB_BYTES_TO_PIXEL(Red, Green, Blue) \
  (UINT8) ( (((Red) >> PIXEL_RED_SHIFT) & PIXEL_RED_MASK) | \
            (((Green) >> PIXEL_GREEN_SHIFT) & PIXEL_GREEN_MASK) | \
            (((Blue) >> PIXEL_BLUE_SHIFT) & PIXEL_BLUE_MASK) )
 
#define PIXEL24_RED_MASK    0x00ff0000
#define PIXEL24_GREEN_MASK  0x0000ff00
#define PIXEL24_BLUE_MASK   0x000000ff
 
#define GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER  0xffff
 
//
// QEMU Video Private Data Structure
//
#define QEMU_VIDEO_PRIVATE_DATA_SIGNATURE  SIGNATURE_32 ('Q', 'V', 'I', 'D')
 
typedef enum {
  QEMU_VIDEO_CIRRUS_5430 = 1,
  QEMU_VIDEO_CIRRUS_5446,
  QEMU_VIDEO_BOCHS,
  QEMU_VIDEO_BOCHS_MMIO,
  QEMU_VIDEO_VMWARE_SVGA,
} QEMU_VIDEO_VARIANT;
 
typedef struct {
  UINT8                 SubClass;
  UINT16                VendorId;
  UINT16                DeviceId;
  QEMU_VIDEO_VARIANT    Variant;
  CHAR16                *Name;
} QEMU_VIDEO_CARD;
 
typedef struct {
  UINT64                          Signature;
  EFI_HANDLE                      Handle;
  EFI_PCI_IO_PROTOCOL             *PciIo;
  UINT64                          OriginalPciAttributes;
  EFI_GRAPHICS_OUTPUT_PROTOCOL    GraphicsOutput;
  EFI_DEVICE_PATH_PROTOCOL        *GopDevicePath;
 
  //
  // The next two fields match the client-visible
  // EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE.MaxMode field.
  //
  UINTN                           MaxMode;
  QEMU_VIDEO_MODE_DATA            *ModeData;
 
  QEMU_VIDEO_VARIANT              Variant;
  FRAME_BUFFER_CONFIGURE          *FrameBufferBltConfigure;
  UINTN                           FrameBufferBltConfigureSize;
  UINT8                           FrameBufferVramBarIndex;
 
  UINT8                           Edid[128];
} QEMU_VIDEO_PRIVATE_DATA;
 
typedef struct {
  UINT32    Width;
  UINT32    Height;
  UINT32    ColorDepth;
  UINT8     *CrtcSettings;
  UINT16    *SeqSettings;
  UINT8     MiscSetting;
} QEMU_VIDEO_CIRRUS_MODES;
 
typedef struct {
  UINT32    Width;
  UINT32    Height;
} QEMU_VIDEO_BOCHS_MODES;
 
#define QEMU_VIDEO_PRIVATE_DATA_FROM_GRAPHICS_OUTPUT_THIS(a) \
  CR(a, QEMU_VIDEO_PRIVATE_DATA, GraphicsOutput, QEMU_VIDEO_PRIVATE_DATA_SIGNATURE)
 
//
// Global Variables
//
extern UINT8                         AttributeController[];
extern UINT8                         GraphicsController[];
extern UINT8                         Crtc_640_480_256_60[];
extern UINT16                        Seq_640_480_256_60[];
extern UINT8                         Crtc_800_600_256_60[];
extern UINT16                        Seq_800_600_256_60[];
extern UINT8                         Crtc_1024_768_256_60[];
extern UINT16                        Seq_1024_768_256_60[];
extern QEMU_VIDEO_CIRRUS_MODES       QemuVideoCirrusModes[];
extern EFI_DRIVER_BINDING_PROTOCOL   gQemuVideoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL   gQemuVideoComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL  gQemuVideoComponentName2;
 
//
// Io Registers defined by VGA
//
#define CRTC_ADDRESS_REGISTER    0x3d4
#define CRTC_DATA_REGISTER       0x3d5
#define SEQ_ADDRESS_REGISTER     0x3c4
#define SEQ_DATA_REGISTER        0x3c5
#define GRAPH_ADDRESS_REGISTER   0x3ce
#define GRAPH_DATA_REGISTER      0x3cf
#define ATT_ADDRESS_REGISTER     0x3c0
#define MISC_OUTPUT_REGISTER     0x3c2
#define INPUT_STATUS_1_REGISTER  0x3da
#define DAC_PIXEL_MASK_REGISTER  0x3c6
#define PALETTE_INDEX_REGISTER   0x3c8
#define PALETTE_DATA_REGISTER    0x3c9
 
#define VBE_DISPI_IOPORT_INDEX  0x01CE
#define VBE_DISPI_IOPORT_DATA   0x01D0
 
#define VBE_DISPI_INDEX_ID                0x0
#define VBE_DISPI_INDEX_XRES              0x1
#define VBE_DISPI_INDEX_YRES              0x2
#define VBE_DISPI_INDEX_BPP               0x3
#define VBE_DISPI_INDEX_ENABLE            0x4
#define VBE_DISPI_INDEX_BANK              0x5
#define VBE_DISPI_INDEX_VIRT_WIDTH        0x6
#define VBE_DISPI_INDEX_VIRT_HEIGHT       0x7
#define VBE_DISPI_INDEX_X_OFFSET          0x8
#define VBE_DISPI_INDEX_Y_OFFSET          0x9
#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K  0xa
 
#define VBE_DISPI_ID0  0xB0C0
#define VBE_DISPI_ID1  0xB0C1
#define VBE_DISPI_ID2  0xB0C2
#define VBE_DISPI_ID3  0xB0C3
#define VBE_DISPI_ID4  0xB0C4
#define VBE_DISPI_ID5  0xB0C5
 
#define VBE_DISPI_DISABLED     0x00
#define VBE_DISPI_ENABLED      0x01
#define VBE_DISPI_GETCAPS      0x02
#define VBE_DISPI_8BIT_DAC     0x20
#define VBE_DISPI_LFB_ENABLED  0x40
#define VBE_DISPI_NOCLEARMEM   0x80
 
//
// Graphics Output Hardware abstraction internal worker functions
//
EFI_STATUS
QemuVideoGraphicsOutputConstructor (
  QEMU_VIDEO_PRIVATE_DATA  *Private
  );
 
EFI_STATUS
QemuVideoGraphicsOutputDestructor (
  QEMU_VIDEO_PRIVATE_DATA  *Private
  );
 
//
// EFI_DRIVER_BINDING_PROTOCOL Protocol Interface
//
 
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
  );
 
//
// EFI Component Name Functions
//
 
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetDriverName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **DriverName
  );
 
EFI_STATUS
EFIAPI
QemuVideoComponentNameGetControllerName (
  IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
  IN  EFI_HANDLE                   ControllerHandle,
  IN  EFI_HANDLE                   ChildHandle        OPTIONAL,
  IN  CHAR8                        *Language,
  OUT CHAR16                       **ControllerName
  );
 
//
// Local Function Prototypes
//
VOID
InitializeCirrusGraphicsMode (
  QEMU_VIDEO_PRIVATE_DATA  *Private,
  QEMU_VIDEO_CIRRUS_MODES  *ModeData
  );
 
VOID
InitializeBochsGraphicsMode (
  QEMU_VIDEO_PRIVATE_DATA  *Private,
  QEMU_VIDEO_MODE_DATA     *ModeData
  );
 
VOID
SetPaletteColor (
  QEMU_VIDEO_PRIVATE_DATA  *Private,
  UINTN                    Index,
  UINT8                    Red,
  UINT8                    Green,
  UINT8                    Blue
  );
 
VOID
SetDefaultPalette (
  QEMU_VIDEO_PRIVATE_DATA  *Private
  );
 
VOID
DrawLogo (
  QEMU_VIDEO_PRIVATE_DATA  *Private,
  UINTN                    ScreenWidth,
  UINTN                    ScreenHeight
  );
 
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
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
  );
 
EFI_STATUS
QemuVideoCirrusModeSetup (
  QEMU_VIDEO_PRIVATE_DATA  *Private
  );
 
EFI_STATUS
QemuVideoBochsModeSetup (
  QEMU_VIDEO_PRIVATE_DATA  *Private,
  BOOLEAN                  IsQxl
  );
 
#endif