//\r
// EFI Driver Binding Protocol Instance\r
//\r
-EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding = {\r
+EFI_DRIVER_BINDING_PROTOCOL gBiosVideoDriverBinding = {\r
BiosVideoDriverBindingSupported,\r
BiosVideoDriverBindingStart,\r
BiosVideoDriverBindingStop,\r
//\r
// Global lookup tables for VGA graphics modes\r
//\r
-UINT8 mVgaLeftMaskTable[] = { 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01 };\r
+UINT8 mVgaLeftMaskTable[] = { 0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01 };\r
\r
-UINT8 mVgaRightMaskTable[] = { 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };\r
+UINT8 mVgaRightMaskTable[] = { 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff };\r
\r
-UINT8 mVgaBitMaskTable[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };\r
+UINT8 mVgaBitMaskTable[] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };\r
\r
//\r
// Save controller attributes during first start\r
//\r
-UINT64 mOriginalPciAttributes;\r
-BOOLEAN mPciAttributesSaved = FALSE;\r
+UINT64 mOriginalPciAttributes;\r
+BOOLEAN mPciAttributesSaved = FALSE;\r
\r
EFI_GRAPHICS_OUTPUT_BLT_PIXEL mVgaColorToGraphicsOutputColor[] = {\r
{ 0x00, 0x00, 0x00, 0x00 },\r
//\r
// Standard timing defined by VESA EDID\r
//\r
-VESA_BIOS_EXTENSIONS_EDID_TIMING mEstablishedEdidTiming[] = {\r
+VESA_BIOS_EXTENSIONS_EDID_TIMING mEstablishedEdidTiming[] = {\r
//\r
// Established Timing I\r
//\r
- {800, 600, 60},\r
- {800, 600, 56},\r
- {640, 480, 75},\r
- {640, 480, 72},\r
- {640, 480, 67},\r
- {640, 480, 60},\r
- {720, 400, 88},\r
- {720, 400, 70},\r
+ { 800, 600, 60 },\r
+ { 800, 600, 56 },\r
+ { 640, 480, 75 },\r
+ { 640, 480, 72 },\r
+ { 640, 480, 67 },\r
+ { 640, 480, 60 },\r
+ { 720, 400, 88 },\r
+ { 720, 400, 70 },\r
//\r
// Established Timing II\r
//\r
- {1280, 1024, 75},\r
- {1024, 768, 75},\r
- {1024, 768, 70},\r
- {1024, 768, 60},\r
- {1024, 768, 87},\r
- {832, 624, 75},\r
- {800, 600, 75},\r
- {800, 600, 72},\r
+ { 1280, 1024, 75 },\r
+ { 1024, 768, 75 },\r
+ { 1024, 768, 70 },\r
+ { 1024, 768, 60 },\r
+ { 1024, 768, 87 },\r
+ { 832, 624, 75 },\r
+ { 800, 600, 75 },\r
+ { 800, 600, 72 },\r
//\r
// Established Timing III\r
//\r
- {1152, 870, 75}\r
+ { 1152, 870, 75 }\r
};\r
\r
/**\r
//\r
// See if the Legacy BIOS Protocol is available\r
//\r
- Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r
+ Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **)&LegacyBios);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
+ (VOID **)&PciIo,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
return EFI_ALREADY_STARTED;\r
}\r
}\r
+\r
//\r
// See if this is a PCI Graphics Controller by looking at the Command register and\r
// Class Code Register\r
}\r
\r
Status = EFI_UNSUPPORTED;\r
- if (Pci.Hdr.ClassCode[2] == 0x03 || (Pci.Hdr.ClassCode[2] == 0x00 && Pci.Hdr.ClassCode[1] == 0x01)) {\r
-\r
+ if ((Pci.Hdr.ClassCode[2] == 0x03) || ((Pci.Hdr.ClassCode[2] == 0x00) && (Pci.Hdr.ClassCode[1] == 0x01))) {\r
Status = EFI_SUCCESS;\r
//\r
// If this is a graphics controller,\r
// go further check RemainingDevicePath validation\r
//\r
if (RemainingDevicePath != NULL) {\r
- Node = (EFI_DEV_PATH *) RemainingDevicePath;\r
+ Node = (EFI_DEV_PATH *)RemainingDevicePath;\r
//\r
// Check if RemainingDevicePath is the End of Device Path Node,\r
// if yes, return EFI_SUCCESS\r
// If RemainingDevicePath isn't the End of Device Path Node,\r
// check its validation\r
//\r
- if (Node->DevPath.Type != ACPI_DEVICE_PATH ||\r
- Node->DevPath.SubType != ACPI_ADR_DP ||\r
- DevicePathNodeLength(&Node->DevPath) < sizeof(ACPI_ADR_DEVICE_PATH)) {\r
+ if ((Node->DevPath.Type != ACPI_DEVICE_PATH) ||\r
+ (Node->DevPath.SubType != ACPI_ADR_DP) ||\r
+ (DevicePathNodeLength (&Node->DevPath) < sizeof (ACPI_ADR_DEVICE_PATH)))\r
+ {\r
Status = EFI_UNSUPPORTED;\r
}\r
}\r
return Status;\r
}\r
\r
-\r
/**\r
Install Graphics Output Protocol onto VGA device handles.\r
\r
//\r
// See if the Legacy BIOS Protocol is available\r
//\r
- Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);\r
+ Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **)&LegacyBios);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
}\r
Status = gBS->HandleProtocol (\r
Controller,\r
&gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath\r
+ (VOID **)&ParentDevicePath\r
);\r
if (EFI_ERROR (Status)) {\r
return Status;\r
Status = gBS->OpenProtocol (\r
Controller,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
+ (VOID **)&PciIo,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
if (EFI_ERROR (Status)) {\r
goto Done;\r
}\r
+\r
mPciAttributesSaved = TRUE;\r
}\r
\r
}\r
\r
Supports &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_VGA_IO_16);\r
- if (Supports == 0 || Supports == (EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_VGA_IO_16)) {\r
+ if ((Supports == 0) || (Supports == (EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_VGA_IO_16))) {\r
Status = EFI_UNSUPPORTED;\r
goto Done;\r
}\r
// Enable the device and make sure VGA cycles are being forwarded to this VGA device\r
//\r
Status = PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationEnable,\r
- EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | Supports,\r
- NULL\r
- );\r
+ PciIo,\r
+ EfiPciIoAttributeOperationEnable,\r
+ EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | Supports,\r
+ NULL\r
+ );\r
if (EFI_ERROR (Status)) {\r
REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
);\r
goto Done;\r
}\r
+\r
//\r
// Check to see if there is a legacy option ROM image associated with this PCI device\r
//\r
if (EFI_ERROR (Status)) {\r
goto Done;\r
}\r
+\r
//\r
// Post the legacy option ROM if it is available.\r
//\r
\r
if (RemainingDevicePath != NULL) {\r
if (IsDevicePathEnd (RemainingDevicePath) &&\r
- (FeaturePcdGet (PcdBiosVideoCheckVbeEnable) || FeaturePcdGet (PcdBiosVideoCheckVgaEnable))) {\r
+ (FeaturePcdGet (PcdBiosVideoCheckVbeEnable) || FeaturePcdGet (PcdBiosVideoCheckVgaEnable)))\r
+ {\r
//\r
// If RemainingDevicePath is the End of Device Path Node,\r
// don't create any child device and return EFI_SUCCESS\r
// Restore original PCI attributes\r
//\r
PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationSet,\r
- mOriginalPciAttributes,\r
- NULL\r
- );\r
+ PciIo,\r
+ EfiPciIoAttributeOperationSet,\r
+ mOriginalPciAttributes,\r
+ NULL\r
+ );\r
}\r
}\r
+\r
//\r
// Release PCI I/O Protocols on the controller handle.\r
//\r
return Status;\r
}\r
\r
-\r
/**\r
Stop.\r
\r
EFI_STATUS\r
EFIAPI\r
BiosVideoDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ IN EFI_HANDLE Controller,\r
+ IN UINTN NumberOfChildren,\r
+ IN EFI_HANDLE *ChildHandleBuffer\r
)\r
{\r
- EFI_STATUS Status;\r
- BOOLEAN AllChildrenStopped;\r
- UINTN Index;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
+ EFI_STATUS Status;\r
+ BOOLEAN AllChildrenStopped;\r
+ UINTN Index;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
\r
AllChildrenStopped = TRUE;\r
\r
Status = gBS->HandleProtocol (\r
Controller,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo\r
+ (VOID **)&PciIo\r
);\r
ASSERT_EFI_ERROR (Status);\r
\r
}\r
}\r
\r
-\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Install child handles if the Handle supports MBR format.\r
\r
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
)\r
{\r
- EFI_STATUS Status;\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- PCI_TYPE00 Pci;\r
- ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r
- BOOLEAN ProtocolInstalled;\r
+ EFI_STATUS Status;\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ PCI_TYPE00 Pci;\r
+ ACPI_ADR_DEVICE_PATH AcpiDeviceNode;\r
+ BOOLEAN ProtocolInstalled;\r
\r
//\r
// Allocate the private device structure for video device\r
//\r
- BiosVideoPrivate = (BIOS_VIDEO_DEV *) AllocateZeroPool (\r
- sizeof (BIOS_VIDEO_DEV)\r
- );\r
+ BiosVideoPrivate = (BIOS_VIDEO_DEV *)AllocateZeroPool (\r
+ sizeof (BIOS_VIDEO_DEV)\r
+ );\r
if (NULL == BiosVideoPrivate) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
// See if this is a VGA compatible controller or not\r
//\r
Status = ParentPciIo->Pci.Read (\r
- ParentPciIo,\r
- EfiPciIoWidthUint32,\r
- 0,\r
- sizeof (Pci) / sizeof (UINT32),\r
- &Pci\r
- );\r
+ ParentPciIo,\r
+ EfiPciIoWidthUint32,\r
+ 0,\r
+ sizeof (Pci) / sizeof (UINT32),\r
+ &Pci\r
+ );\r
if (EFI_ERROR (Status)) {\r
REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
);\r
goto Done;\r
}\r
+\r
BiosVideoPrivate->VgaCompatible = FALSE;\r
- if (Pci.Hdr.ClassCode[2] == 0x00 && Pci.Hdr.ClassCode[1] == 0x01) {\r
+ if ((Pci.Hdr.ClassCode[2] == 0x00) && (Pci.Hdr.ClassCode[1] == 0x01)) {\r
BiosVideoPrivate->VgaCompatible = TRUE;\r
}\r
\r
- if (Pci.Hdr.ClassCode[2] == 0x03 && Pci.Hdr.ClassCode[1] == 0x00 && Pci.Hdr.ClassCode[0] == 0x00) {\r
+ if ((Pci.Hdr.ClassCode[2] == 0x03) && (Pci.Hdr.ClassCode[1] == 0x00) && (Pci.Hdr.ClassCode[0] == 0x00)) {\r
BiosVideoPrivate->VgaCompatible = TRUE;\r
}\r
\r
- if (PcdGetBool (PcdBiosVideoSetTextVgaModeEnable)) {\r
+ if (PcdGetBool (PcdBiosVideoSetTextVgaModeEnable)) {\r
//\r
// Create EXIT_BOOT_SERIVES Event\r
//\r
BiosVideoPrivate->GraphicsOutput.QueryMode = BiosVideoGraphicsOutputQueryMode;\r
BiosVideoPrivate->GraphicsOutput.SetMode = BiosVideoGraphicsOutputSetMode;\r
\r
-\r
//\r
// Allocate buffer for Graphics Output Protocol mode information\r
//\r
- BiosVideoPrivate->GraphicsOutput.Mode = (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *) AllocatePool (\r
- sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE)\r
- );\r
+ BiosVideoPrivate->GraphicsOutput.Mode = (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *)AllocatePool (\r
+ sizeof (EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE)\r
+ );\r
if (NULL == BiosVideoPrivate->GraphicsOutput.Mode) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
}\r
\r
- BiosVideoPrivate->GraphicsOutput.Mode->Info = (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *) AllocatePool (\r
- sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)\r
- );\r
+ BiosVideoPrivate->GraphicsOutput.Mode->Info = (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *)AllocatePool (\r
+ sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)\r
+ );\r
if (NULL == BiosVideoPrivate->GraphicsOutput.Mode->Info) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
if ((RemainingDevicePath == NULL) || (!IsDevicePathEnd (RemainingDevicePath))) {\r
if (RemainingDevicePath == NULL) {\r
ZeroMem (&AcpiDeviceNode, sizeof (ACPI_ADR_DEVICE_PATH));\r
- AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r
+ AcpiDeviceNode.Header.Type = ACPI_DEVICE_PATH;\r
AcpiDeviceNode.Header.SubType = ACPI_ADR_DP;\r
- AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r
+ AcpiDeviceNode.ADR = ACPI_DISPLAY_ADR (1, 0, 0, 1, 0, ACPI_ADR_DISPLAY_TYPE_VGA, 0, 0);\r
SetDevicePathNodeLength (&AcpiDeviceNode.Header, sizeof (ACPI_ADR_DEVICE_PATH));\r
\r
BiosVideoPrivate->GopDevicePath = AppendDevicePathNode (\r
ParentDevicePath,\r
- (EFI_DEVICE_PATH_PROTOCOL *) &AcpiDeviceNode\r
+ (EFI_DEVICE_PATH_PROTOCOL *)&AcpiDeviceNode\r
);\r
} else {\r
BiosVideoPrivate->GopDevicePath = AppendDevicePathNode (ParentDevicePath, RemainingDevicePath);\r
// Creat child handle and device path protocol firstly\r
//\r
BiosVideoPrivate->Handle = NULL;\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &BiosVideoPrivate->Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- BiosVideoPrivate->GopDevicePath,\r
- NULL\r
- );\r
+ Status = gBS->InstallMultipleProtocolInterfaces (\r
+ &BiosVideoPrivate->Handle,\r
+ &gEfiDevicePathProtocolGuid,\r
+ BiosVideoPrivate->GopDevicePath,\r
+ NULL\r
+ );\r
if (EFI_ERROR (Status)) {\r
goto Done;\r
}\r
//\r
// When check for VBE, PCI I/O protocol is needed, so use parent's protocol interface temporally\r
//\r
- BiosVideoPrivate->PciIo = ParentPciIo;\r
+ BiosVideoPrivate->PciIo = ParentPciIo;\r
\r
//\r
// Check for VESA BIOS Extensions for modes that are compatible with Graphics Output\r
} else {\r
Status = EFI_UNSUPPORTED;\r
}\r
+\r
if (EFI_ERROR (Status)) {\r
//\r
// The VESA BIOS Extensions are not compatible with Graphics Output, so check for support\r
FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);\r
BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;\r
}\r
+\r
FreePool (BiosVideoPrivate->GraphicsOutput.Mode);\r
BiosVideoPrivate->GraphicsOutput.Mode = NULL;\r
}\r
Status = gBS->OpenProtocol (\r
ParentHandle,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &BiosVideoPrivate->PciIo,\r
+ (VOID **)&BiosVideoPrivate->PciIo,\r
This->DriverBindingHandle,\r
BiosVideoPrivate->Handle,\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
if (EFI_ERROR (Status)) {\r
goto Done;\r
}\r
+\r
ProtocolInstalled = TRUE;\r
}\r
}\r
if ((BiosVideoPrivate != NULL) && (BiosVideoPrivate->ExitBootServicesEvent != NULL)) {\r
gBS->CloseEvent (BiosVideoPrivate->ExitBootServicesEvent);\r
}\r
+\r
//\r
// Free private data structure\r
//\r
return Status;\r
}\r
\r
-\r
/**\r
Deregister an video child handle and free resources.\r
\r
**/\r
EFI_STATUS\r
BiosVideoChildHandleUninstall (\r
- EFI_DRIVER_BINDING_PROTOCOL *This,\r
- EFI_HANDLE Controller,\r
- EFI_HANDLE Handle\r
+ EFI_DRIVER_BINDING_PROTOCOL *This,\r
+ EFI_HANDLE Controller,\r
+ EFI_HANDLE Handle\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_IA32_REGISTER_SET Regs;\r
- EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
- EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
+ EFI_STATUS Status;\r
+ EFI_IA32_REGISTER_SET Regs;\r
+ EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;\r
+ EFI_VGA_MINI_PORT_PROTOCOL *VgaMiniPort;\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
\r
BiosVideoPrivate = NULL;\r
GraphicsOutput = NULL;\r
Status = gBS->OpenProtocol (\r
Handle,\r
&gEfiGraphicsOutputProtocolGuid,\r
- (VOID **) &GraphicsOutput,\r
+ (VOID **)&GraphicsOutput,\r
This->DriverBindingHandle,\r
Handle,\r
EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
);\r
if (!EFI_ERROR (Status)) {\r
- BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (GraphicsOutput);\r
}\r
\r
if (EFI_ERROR (Status)) {\r
Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiVgaMiniPortProtocolGuid,\r
- (VOID **) &VgaMiniPort,\r
- This->DriverBindingHandle,\r
- Handle,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
+ Handle,\r
+ &gEfiVgaMiniPortProtocolGuid,\r
+ (VOID **)&VgaMiniPort,\r
+ This->DriverBindingHandle,\r
+ Handle,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
if (!EFI_ERROR (Status)) {\r
BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS (VgaMiniPort);\r
}\r
NULL\r
);\r
}\r
+\r
if (!BiosVideoPrivate->ProduceGraphicsOutput) {\r
Status = gBS->UninstallMultipleProtocolInterfaces (\r
Controller,\r
gBS->OpenProtocol (\r
Controller,\r
&gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
+ (VOID **)&PciIo,\r
This->DriverBindingHandle,\r
Handle,\r
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
return EFI_SUCCESS;\r
}\r
\r
-\r
/**\r
Release resource for biso video instance.\r
\r
)\r
{\r
if (BiosVideoPrivate == NULL) {\r
- return ;\r
+ return;\r
}\r
\r
//\r
if (BiosVideoPrivate->VgaFrameBuffer != NULL) {\r
FreePool (BiosVideoPrivate->VgaFrameBuffer);\r
}\r
+\r
//\r
// Free VBE Frame Buffer\r
//\r
if (BiosVideoPrivate->VbeFrameBuffer != NULL) {\r
FreePool (BiosVideoPrivate->VbeFrameBuffer);\r
}\r
+\r
//\r
// Free line buffer\r
//\r
if (BiosVideoPrivate->LineBuffer != NULL) {\r
FreePool (BiosVideoPrivate->LineBuffer);\r
}\r
+\r
//\r
// Free mode data\r
//\r
if (BiosVideoPrivate->ModeData != NULL) {\r
FreePool (BiosVideoPrivate->ModeData);\r
}\r
+\r
//\r
// Free memory allocated below 1MB\r
//\r
//\r
if (BiosVideoPrivate->GraphicsOutput.Mode != NULL) {\r
if (BiosVideoPrivate->GraphicsOutput.Mode->Info != NULL) {\r
- FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);\r
- BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;\r
+ FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);\r
+ BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;\r
}\r
+\r
FreePool (BiosVideoPrivate->GraphicsOutput.Mode);\r
BiosVideoPrivate->GraphicsOutput.Mode = NULL;\r
}\r
+\r
//\r
// Free EDID discovered protocol occupied resource\r
//\r
if (BiosVideoPrivate->EdidDiscovered.Edid != NULL) {\r
FreePool (BiosVideoPrivate->EdidDiscovered.Edid);\r
}\r
+\r
//\r
// Free EDID active protocol occupied resource\r
//\r
FreePool (BiosVideoPrivate->EdidActive.Edid);\r
}\r
\r
- if (BiosVideoPrivate->GopDevicePath!= NULL) {\r
+ if (BiosVideoPrivate->GopDevicePath != NULL) {\r
FreePool (BiosVideoPrivate->GopDevicePath);\r
}\r
\r
FreePool (BiosVideoPrivate);\r
\r
- return ;\r
+ return;\r
}\r
\r
-\r
/**\r
Generate a search key for a specified timing data.\r
\r
**/\r
UINT32\r
CalculateEdidKey (\r
- VESA_BIOS_EXTENSIONS_EDID_TIMING *EdidTiming\r
+ VESA_BIOS_EXTENSIONS_EDID_TIMING *EdidTiming\r
)\r
{\r
- UINT32 Key;\r
+ UINT32 Key;\r
\r
//\r
// Be sure no conflicts for all standard timing defined by VESA.\r
return Key;\r
}\r
\r
-\r
/**\r
Parse the Established Timing and Standard Timing in EDID data block.\r
\r
**/\r
BOOLEAN\r
ParseEdidData (\r
- UINT8 *EdidBuffer,\r
- VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING *ValidEdidTiming\r
+ UINT8 *EdidBuffer,\r
+ VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING *ValidEdidTiming\r
)\r
{\r
- UINT8 CheckSum;\r
- UINT32 Index;\r
- UINT32 ValidNumber;\r
- UINT32 TimingBits;\r
- UINT8 *BufferIndex;\r
- UINT16 HorizontalResolution;\r
- UINT16 VerticalResolution;\r
- UINT8 AspectRatio;\r
- UINT8 RefreshRate;\r
- VESA_BIOS_EXTENSIONS_EDID_TIMING TempTiming;\r
- VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *EdidDataBlock;\r
+ UINT8 CheckSum;\r
+ UINT32 Index;\r
+ UINT32 ValidNumber;\r
+ UINT32 TimingBits;\r
+ UINT8 *BufferIndex;\r
+ UINT16 HorizontalResolution;\r
+ UINT16 VerticalResolution;\r
+ UINT8 AspectRatio;\r
+ UINT8 RefreshRate;\r
+ VESA_BIOS_EXTENSIONS_EDID_TIMING TempTiming;\r
+ VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *EdidDataBlock;\r
\r
- EdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *) EdidBuffer;\r
+ EdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *)EdidBuffer;\r
\r
//\r
// Check the checksum of EDID data\r
//\r
CheckSum = 0;\r
- for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE; Index ++) {\r
- CheckSum = (UINT8) (CheckSum + EdidBuffer[Index]);\r
+ for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE; Index++) {\r
+ CheckSum = (UINT8)(CheckSum + EdidBuffer[Index]);\r
}\r
+\r
if (CheckSum != 0) {\r
return FALSE;\r
}\r
if ((EdidDataBlock->EstablishedTimings[0] != 0) ||\r
(EdidDataBlock->EstablishedTimings[1] != 0) ||\r
(EdidDataBlock->EstablishedTimings[2] != 0)\r
- ) {\r
+ )\r
+ {\r
//\r
// Established timing data\r
//\r
TimingBits = EdidDataBlock->EstablishedTimings[0] |\r
(EdidDataBlock->EstablishedTimings[1] << 8) |\r
- ((EdidDataBlock->EstablishedTimings[2] & 0x80) << 9) ;\r
- for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER; Index ++) {\r
+ ((EdidDataBlock->EstablishedTimings[2] & 0x80) << 9);\r
+ for (Index = 0; Index < VESA_BIOS_EXTENSIONS_EDID_ESTABLISHED_TIMING_MAX_NUMBER; Index++) {\r
if ((TimingBits & 0x1) != 0) {\r
- DEBUG ((DEBUG_INFO, "Established Timing: %d x %d\n",\r
- mEstablishedEdidTiming[Index].HorizontalResolution, mEstablishedEdidTiming[Index].VerticalResolution));\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "Established Timing: %d x %d\n",\r
+ mEstablishedEdidTiming[Index].HorizontalResolution,\r
+ mEstablishedEdidTiming[Index].VerticalResolution\r
+ ));\r
ValidEdidTiming->Key[ValidNumber] = CalculateEdidKey (&mEstablishedEdidTiming[Index]);\r
- ValidNumber ++;\r
+ ValidNumber++;\r
}\r
+\r
TimingBits = TimingBits >> 1;\r
}\r
}\r
// Parse the standard timing data\r
//\r
BufferIndex = &EdidDataBlock->StandardTimingIdentification[0];\r
- for (Index = 0; Index < 8; Index ++) {\r
+ for (Index = 0; Index < 8; Index++) {\r
//\r
// Check if this is a valid Standard Timing entry\r
// VESA documents unused fields should be set to 01h\r
//\r
- if ((BufferIndex[0] != 0x1) && (BufferIndex[1] != 0x1)){\r
+ if ((BufferIndex[0] != 0x1) && (BufferIndex[1] != 0x1)) {\r
//\r
// A valid Standard Timing\r
//\r
- HorizontalResolution = (UINT16) (BufferIndex[0] * 8 + 248);\r
- AspectRatio = (UINT8) (BufferIndex[1] >> 6);\r
+ HorizontalResolution = (UINT16)(BufferIndex[0] * 8 + 248);\r
+ AspectRatio = (UINT8)(BufferIndex[1] >> 6);\r
switch (AspectRatio) {\r
case 0:\r
- VerticalResolution = (UINT16) (HorizontalResolution / 16 * 10);\r
+ VerticalResolution = (UINT16)(HorizontalResolution / 16 * 10);\r
break;\r
case 1:\r
- VerticalResolution = (UINT16) (HorizontalResolution / 4 * 3);\r
+ VerticalResolution = (UINT16)(HorizontalResolution / 4 * 3);\r
break;\r
case 2:\r
- VerticalResolution = (UINT16) (HorizontalResolution / 5 * 4);\r
+ VerticalResolution = (UINT16)(HorizontalResolution / 5 * 4);\r
break;\r
case 3:\r
- VerticalResolution = (UINT16) (HorizontalResolution / 16 * 9);\r
+ VerticalResolution = (UINT16)(HorizontalResolution / 16 * 9);\r
break;\r
default:\r
- VerticalResolution = (UINT16) (HorizontalResolution / 4 * 3);\r
+ VerticalResolution = (UINT16)(HorizontalResolution / 4 * 3);\r
break;\r
}\r
- RefreshRate = (UINT8) ((BufferIndex[1] & 0x1f) + 60);\r
+\r
+ RefreshRate = (UINT8)((BufferIndex[1] & 0x1f) + 60);\r
DEBUG ((DEBUG_INFO, "Standard Timing: %d x %d\n", HorizontalResolution, VerticalResolution));\r
- TempTiming.HorizontalResolution = HorizontalResolution;\r
- TempTiming.VerticalResolution = VerticalResolution;\r
- TempTiming.RefreshRate = RefreshRate;\r
+ TempTiming.HorizontalResolution = HorizontalResolution;\r
+ TempTiming.VerticalResolution = VerticalResolution;\r
+ TempTiming.RefreshRate = RefreshRate;\r
ValidEdidTiming->Key[ValidNumber] = CalculateEdidKey (&TempTiming);\r
- ValidNumber ++;\r
+ ValidNumber++;\r
}\r
+\r
BufferIndex += 2;\r
}\r
\r
// Parse the Detailed Timing data\r
//\r
BufferIndex = &EdidDataBlock->DetailedTimingDescriptions[0];\r
- for (Index = 0; Index < 4; Index ++, BufferIndex += VESA_BIOS_EXTENSIONS_DETAILED_TIMING_EACH_DESCRIPTOR_SIZE) {\r
+ for (Index = 0; Index < 4; Index++, BufferIndex += VESA_BIOS_EXTENSIONS_DETAILED_TIMING_EACH_DESCRIPTOR_SIZE) {\r
if ((BufferIndex[0] == 0x0) && (BufferIndex[1] == 0x0)) {\r
//\r
// Check if this is a valid Detailed Timing Descriptor\r
//\r
continue;\r
}\r
+\r
//\r
// Calculate Horizontal and Vertical resolution\r
//\r
TempTiming.HorizontalResolution = ((UINT16)(BufferIndex[4] & 0xF0) << 4) | (BufferIndex[2]);\r
- TempTiming.VerticalResolution = ((UINT16)(BufferIndex[7] & 0xF0) << 4) | (BufferIndex[5]);\r
- DEBUG ((DEBUG_INFO, "Detailed Timing %d: %d x %d\n",\r
- Index, TempTiming.HorizontalResolution, TempTiming.VerticalResolution));\r
+ TempTiming.VerticalResolution = ((UINT16)(BufferIndex[7] & 0xF0) << 4) | (BufferIndex[5]);\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "Detailed Timing %d: %d x %d\n",\r
+ Index,\r
+ TempTiming.HorizontalResolution,\r
+ TempTiming.VerticalResolution\r
+ ));\r
ValidEdidTiming->Key[ValidNumber] = CalculateEdidKey (&TempTiming);\r
- ValidNumber ++;\r
+ ValidNumber++;\r
}\r
\r
ValidEdidTiming->ValidNumber = ValidNumber;\r
return TRUE;\r
}\r
\r
-\r
/**\r
Search a specified Timing in all the valid EDID timings.\r
\r
**/\r
BOOLEAN\r
SearchEdidTiming (\r
- VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING *ValidEdidTiming,\r
- VESA_BIOS_EXTENSIONS_EDID_TIMING *EdidTiming\r
+ VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING *ValidEdidTiming,\r
+ VESA_BIOS_EXTENSIONS_EDID_TIMING *EdidTiming\r
)\r
{\r
- UINT32 Index;\r
- UINT32 Key;\r
+ UINT32 Index;\r
+ UINT32 Key;\r
\r
Key = CalculateEdidKey (EdidTiming);\r
\r
- for (Index = 0; Index < ValidEdidTiming->ValidNumber; Index ++) {\r
+ for (Index = 0; Index < ValidEdidTiming->ValidNumber; Index++) {\r
if (Key == ValidEdidTiming->Key[Index]) {\r
return TRUE;\r
}\r
IN OUT BIOS_VIDEO_DEV *BiosVideoPrivate\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_IA32_REGISTER_SET Regs;\r
- UINT16 *ModeNumberPtr;\r
- UINT16 VbeModeNumber;\r
- BOOLEAN ModeFound;\r
- BOOLEAN EdidFound;\r
- BIOS_VIDEO_MODE_DATA *ModeBuffer;\r
- BIOS_VIDEO_MODE_DATA *CurrentModeData;\r
- UINTN PreferMode;\r
- UINTN ModeNumber;\r
- VESA_BIOS_EXTENSIONS_EDID_TIMING Timing;\r
- VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING ValidEdidTiming;\r
- EFI_EDID_OVERRIDE_PROTOCOL *EdidOverride;\r
- UINT32 EdidAttributes;\r
- BOOLEAN EdidOverrideFound;\r
- UINTN EdidOverrideDataSize;\r
- UINT8 *EdidOverrideDataBlock;\r
- UINTN EdidActiveDataSize;\r
- UINT8 *EdidActiveDataBlock;\r
- UINT32 HighestHorizontalResolution;\r
- UINT32 HighestVerticalResolution;\r
- UINTN HighestResolutionMode;\r
-\r
- EdidFound = TRUE;\r
- EdidOverrideFound = FALSE;\r
- EdidOverrideDataBlock = NULL;\r
- EdidActiveDataSize = 0;\r
- EdidActiveDataBlock = NULL;\r
+ EFI_STATUS Status;\r
+ EFI_IA32_REGISTER_SET Regs;\r
+ UINT16 *ModeNumberPtr;\r
+ UINT16 VbeModeNumber;\r
+ BOOLEAN ModeFound;\r
+ BOOLEAN EdidFound;\r
+ BIOS_VIDEO_MODE_DATA *ModeBuffer;\r
+ BIOS_VIDEO_MODE_DATA *CurrentModeData;\r
+ UINTN PreferMode;\r
+ UINTN ModeNumber;\r
+ VESA_BIOS_EXTENSIONS_EDID_TIMING Timing;\r
+ VESA_BIOS_EXTENSIONS_VALID_EDID_TIMING ValidEdidTiming;\r
+ EFI_EDID_OVERRIDE_PROTOCOL *EdidOverride;\r
+ UINT32 EdidAttributes;\r
+ BOOLEAN EdidOverrideFound;\r
+ UINTN EdidOverrideDataSize;\r
+ UINT8 *EdidOverrideDataBlock;\r
+ UINTN EdidActiveDataSize;\r
+ UINT8 *EdidActiveDataBlock;\r
+ UINT32 HighestHorizontalResolution;\r
+ UINT32 HighestVerticalResolution;\r
+ UINTN HighestResolutionMode;\r
+\r
+ EdidFound = TRUE;\r
+ EdidOverrideFound = FALSE;\r
+ EdidOverrideDataBlock = NULL;\r
+ EdidActiveDataSize = 0;\r
+ EdidActiveDataBlock = NULL;\r
HighestHorizontalResolution = 0;\r
HighestVerticalResolution = 0;\r
HighestResolutionMode = 0;\r
//\r
// Fill in the VBE related data structures\r
//\r
- BiosVideoPrivate->VbeInformationBlock = (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *) (UINTN) (BiosVideoPrivate->PagesBelow1MB);\r
- BiosVideoPrivate->VbeModeInformationBlock = (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *) (BiosVideoPrivate->VbeInformationBlock + 1);\r
- BiosVideoPrivate->VbeEdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *) (BiosVideoPrivate->VbeModeInformationBlock + 1);\r
- BiosVideoPrivate->VbeCrtcInformationBlock = (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *) (BiosVideoPrivate->VbeEdidDataBlock + 1);\r
- BiosVideoPrivate->VbeSaveRestorePages = 0;\r
- BiosVideoPrivate->VbeSaveRestoreBuffer = 0;\r
+ BiosVideoPrivate->VbeInformationBlock = (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK *)(UINTN)(BiosVideoPrivate->PagesBelow1MB);\r
+ BiosVideoPrivate->VbeModeInformationBlock = (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK *)(BiosVideoPrivate->VbeInformationBlock + 1);\r
+ BiosVideoPrivate->VbeEdidDataBlock = (VESA_BIOS_EXTENSIONS_EDID_DATA_BLOCK *)(BiosVideoPrivate->VbeModeInformationBlock + 1);\r
+ BiosVideoPrivate->VbeCrtcInformationBlock = (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK *)(BiosVideoPrivate->VbeEdidDataBlock + 1);\r
+ BiosVideoPrivate->VbeSaveRestorePages = 0;\r
+ BiosVideoPrivate->VbeSaveRestoreBuffer = 0;\r
\r
//\r
// Test to see if the Video Adapter is compliant with VBE 3.0\r
gBS->SetMem (&Regs, sizeof (Regs), 0);\r
Regs.X.AX = VESA_BIOS_EXTENSIONS_RETURN_CONTROLLER_INFORMATION;\r
gBS->SetMem (BiosVideoPrivate->VbeInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_INFORMATION_BLOCK), 0);\r
- BiosVideoPrivate->VbeInformationBlock->VESASignature = VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE;\r
- Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeInformationBlock);\r
- Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeInformationBlock);\r
+ BiosVideoPrivate->VbeInformationBlock->VESASignature = VESA_BIOS_EXTENSIONS_VBE2_SIGNATURE;\r
+ Regs.X.ES = EFI_SEGMENT ((UINTN)BiosVideoPrivate->VbeInformationBlock);\r
+ Regs.X.DI = EFI_OFFSET ((UINTN)BiosVideoPrivate->VbeInformationBlock);\r
\r
BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
\r
if (Regs.X.AX != VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {\r
return Status;\r
}\r
+\r
//\r
// Check for 'VESA' signature\r
//\r
if (BiosVideoPrivate->VbeInformationBlock->VESASignature != VESA_BIOS_EXTENSIONS_VESA_SIGNATURE) {\r
return Status;\r
}\r
+\r
//\r
// Check to see if this is VBE 2.0 or higher\r
//\r
// Find EDID Override protocol firstly, this protocol is installed by platform if needed.\r
//\r
Status = gBS->LocateProtocol (\r
- &gEfiEdidOverrideProtocolGuid,\r
- NULL,\r
- (VOID **) &EdidOverride\r
- );\r
+ &gEfiEdidOverrideProtocolGuid,\r
+ NULL,\r
+ (VOID **)&EdidOverride\r
+ );\r
if (!EFI_ERROR (Status)) {\r
//\r
// Allocate double size of VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE to avoid overflow\r
BiosVideoPrivate->Handle,\r
&EdidAttributes,\r
&EdidOverrideDataSize,\r
- (UINT8 **) &EdidOverrideDataBlock\r
+ (UINT8 **)&EdidOverrideDataBlock\r
);\r
if (!EFI_ERROR (Status) &&\r
- EdidAttributes == 0 &&\r
- EdidOverrideDataSize != 0) {\r
+ (EdidAttributes == 0) &&\r
+ (EdidOverrideDataSize != 0))\r
+ {\r
//\r
// Succeeded to get EDID Override Data\r
//\r
}\r
}\r
\r
- if (!EdidOverrideFound || EdidAttributes == EFI_EDID_OVERRIDE_DONT_OVERRIDE) {\r
+ if (!EdidOverrideFound || (EdidAttributes == EFI_EDID_OVERRIDE_DONT_OVERRIDE)) {\r
//\r
// If EDID Override data doesn't exist or EFI_EDID_OVERRIDE_DONT_OVERRIDE returned,\r
// read EDID information through INT10 call\r
Regs.X.BX = 1;\r
Regs.X.CX = 0;\r
Regs.X.DX = 0;\r
- Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeEdidDataBlock);\r
- Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeEdidDataBlock);\r
+ Regs.X.ES = EFI_SEGMENT ((UINTN)BiosVideoPrivate->VbeEdidDataBlock);\r
+ Regs.X.DI = EFI_OFFSET ((UINTN)BiosVideoPrivate->VbeEdidDataBlock);\r
\r
BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
//\r
// Set EDID Discovered Data\r
//\r
BiosVideoPrivate->EdidDiscovered.SizeOfEdid = VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE;\r
- BiosVideoPrivate->EdidDiscovered.Edid = (UINT8 *) AllocateCopyPool (\r
- VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE,\r
- BiosVideoPrivate->VbeEdidDataBlock\r
- );\r
+ BiosVideoPrivate->EdidDiscovered.Edid = (UINT8 *)AllocateCopyPool (\r
+ VESA_BIOS_EXTENSIONS_EDID_BLOCK_SIZE,\r
+ BiosVideoPrivate->VbeEdidDataBlock\r
+ );\r
\r
if (NULL == BiosVideoPrivate->EdidDiscovered.Edid) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
+ Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
}\r
\r
} else if (EdidOverrideFound) {\r
EdidActiveDataSize = EdidOverrideDataSize;\r
EdidActiveDataBlock = EdidOverrideDataBlock;\r
- EdidFound = TRUE;\r
- }\r
+ EdidFound = TRUE;\r
+ }\r
\r
- if (EdidFound) {\r
+ if (EdidFound) {\r
//\r
// Parse EDID data structure to retrieve modes supported by monitor\r
//\r
- if (ParseEdidData ((UINT8 *) EdidActiveDataBlock, &ValidEdidTiming)) {\r
+ if (ParseEdidData ((UINT8 *)EdidActiveDataBlock, &ValidEdidTiming)) {\r
//\r
// Copy EDID Override Data to EDID Active Data\r
//\r
- BiosVideoPrivate->EdidActive.SizeOfEdid = (UINT32) EdidActiveDataSize;\r
- BiosVideoPrivate->EdidActive.Edid = (UINT8 *) AllocateCopyPool (\r
- EdidActiveDataSize,\r
- EdidActiveDataBlock\r
- );\r
+ BiosVideoPrivate->EdidActive.SizeOfEdid = (UINT32)EdidActiveDataSize;\r
+ BiosVideoPrivate->EdidActive.Edid = (UINT8 *)AllocateCopyPool (\r
+ EdidActiveDataSize,\r
+ EdidActiveDataBlock\r
+ );\r
if (NULL == BiosVideoPrivate->EdidActive.Edid) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
+ Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
}\r
}\r
} else {\r
BiosVideoPrivate->EdidActive.SizeOfEdid = 0;\r
- BiosVideoPrivate->EdidActive.Edid = NULL;\r
- EdidFound = FALSE;\r
+ BiosVideoPrivate->EdidActive.Edid = NULL;\r
+ EdidFound = FALSE;\r
}\r
\r
//\r
// Walk through the mode list to see if there is at least one mode the is compatible with the EDID mode\r
//\r
ModeNumberPtr = (UINT16 *)\r
- (\r
- (((UINTN) BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0xffff0000) >> 12) |\r
- ((UINTN) BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0x0000ffff)\r
- );\r
+ (\r
+ (((UINTN)BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0xffff0000) >> 12) |\r
+ ((UINTN)BiosVideoPrivate->VbeInformationBlock->VideoModePtr & 0x0000ffff)\r
+ );\r
\r
PreferMode = 0;\r
ModeNumber = 0;\r
//\r
for (VbeModeNumber = ReadUnaligned16 (ModeNumberPtr);\r
VbeModeNumber != VESA_BIOS_EXTENSIONS_END_OF_MODE_LIST;\r
- VbeModeNumber = ReadUnaligned16 (++ModeNumberPtr)) {\r
+ VbeModeNumber = ReadUnaligned16 (++ModeNumberPtr))\r
+ {\r
//\r
// Make sure this is a mode number defined by the VESA VBE specification. If it isn'tm then skip this mode number.\r
//\r
if ((VbeModeNumber & VESA_BIOS_EXTENSIONS_MODE_NUMBER_VESA) == 0) {\r
continue;\r
}\r
+\r
//\r
// Get the information about the mode\r
//\r
Regs.X.AX = VESA_BIOS_EXTENSIONS_RETURN_MODE_INFORMATION;\r
Regs.X.CX = VbeModeNumber;\r
gBS->SetMem (BiosVideoPrivate->VbeModeInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_MODE_INFORMATION_BLOCK), 0);\r
- Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeModeInformationBlock);\r
- Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeModeInformationBlock);\r
+ Regs.X.ES = EFI_SEGMENT ((UINTN)BiosVideoPrivate->VbeModeInformationBlock);\r
+ Regs.X.DI = EFI_OFFSET ((UINTN)BiosVideoPrivate->VbeModeInformationBlock);\r
\r
BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
\r
if (Regs.X.AX != VESA_BIOS_EXTENSIONS_STATUS_SUCCESS) {\r
continue;\r
}\r
+\r
//\r
// See if the mode supports color. If it doesn't then try the next mode.\r
//\r
if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_COLOR) == 0) {\r
continue;\r
}\r
+\r
//\r
// See if the mode supports graphics. If it doesn't then try the next mode.\r
//\r
if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_GRAPHICS) == 0) {\r
continue;\r
}\r
+\r
//\r
// See if the mode supports a linear frame buffer. If it doesn't then try the next mode.\r
//\r
if ((BiosVideoPrivate->VbeModeInformationBlock->ModeAttributes & VESA_BIOS_EXTENSIONS_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER) == 0) {\r
continue;\r
}\r
+\r
//\r
// See if the mode supports 32 bit color. If it doesn't then try the next mode.\r
// 32 bit mode can be implemented by 24 Bits Per Pixels. Also make sure the\r
if ((BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel % 8) != 0) {\r
continue;\r
}\r
+\r
//\r
// See if the physical base pointer for the linear mode is valid. If it isn't then try the next mode.\r
//\r
continue;\r
}\r
\r
- DEBUG ((DEBUG_INFO, "Video Controller Mode 0x%x: %d x %d\n",\r
- VbeModeNumber, BiosVideoPrivate->VbeModeInformationBlock->XResolution, BiosVideoPrivate->VbeModeInformationBlock->YResolution));\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "Video Controller Mode 0x%x: %d x %d\n",\r
+ VbeModeNumber,\r
+ BiosVideoPrivate->VbeModeInformationBlock->XResolution,\r
+ BiosVideoPrivate->VbeModeInformationBlock->YResolution\r
+ ));\r
\r
if (EdidFound && (ValidEdidTiming.ValidNumber > 0)) {\r
//\r
// EDID exist, check whether this mode match with any mode in EDID\r
//\r
Timing.HorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;\r
- Timing.VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
+ Timing.VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
if (!SearchEdidTiming (&ValidEdidTiming, &Timing)) {\r
//\r
// When EDID comes from INT10 call, EDID does not include 800x600, 640x480 and 1024x768,\r
// but INT10 can support these modes, we add them into GOP mode.\r
//\r
if ((BiosVideoPrivate->EdidDiscovered.SizeOfEdid != 0) &&\r
- !((Timing.HorizontalResolution) == 1024 && (Timing.VerticalResolution == 768)) &&\r
- !((Timing.HorizontalResolution) == 800 && (Timing.VerticalResolution == 600)) &&\r
- !((Timing.HorizontalResolution) == 640 && (Timing.VerticalResolution == 480))) {\r
- continue;\r
+ !(((Timing.HorizontalResolution) == 1024) && (Timing.VerticalResolution == 768)) &&\r
+ !(((Timing.HorizontalResolution) == 800) && (Timing.VerticalResolution == 600)) &&\r
+ !(((Timing.HorizontalResolution) == 640) && (Timing.VerticalResolution == 480)))\r
+ {\r
+ continue;\r
}\r
}\r
}\r
//\r
ModeFound = FALSE;\r
\r
- if (BiosVideoPrivate->VbeModeInformationBlock->XResolution == 1024 &&\r
- BiosVideoPrivate->VbeModeInformationBlock->YResolution == 768\r
- ) {\r
+ if ((BiosVideoPrivate->VbeModeInformationBlock->XResolution == 1024) &&\r
+ (BiosVideoPrivate->VbeModeInformationBlock->YResolution == 768)\r
+ )\r
+ {\r
ModeFound = TRUE;\r
}\r
- if (BiosVideoPrivate->VbeModeInformationBlock->XResolution == 800 &&\r
- BiosVideoPrivate->VbeModeInformationBlock->YResolution == 600\r
- ) {\r
- ModeFound = TRUE;\r
+\r
+ if ((BiosVideoPrivate->VbeModeInformationBlock->XResolution == 800) &&\r
+ (BiosVideoPrivate->VbeModeInformationBlock->YResolution == 600)\r
+ )\r
+ {\r
+ ModeFound = TRUE;\r
PreferMode = ModeNumber;\r
}\r
- if (BiosVideoPrivate->VbeModeInformationBlock->XResolution == 640 &&\r
- BiosVideoPrivate->VbeModeInformationBlock->YResolution == 480\r
- ) {\r
+\r
+ if ((BiosVideoPrivate->VbeModeInformationBlock->XResolution == 640) &&\r
+ (BiosVideoPrivate->VbeModeInformationBlock->YResolution == 480)\r
+ )\r
+ {\r
ModeFound = TRUE;\r
}\r
\r
//\r
if ((BiosVideoPrivate->VbeModeInformationBlock->XResolution > HighestHorizontalResolution) ||\r
((BiosVideoPrivate->VbeModeInformationBlock->XResolution == HighestHorizontalResolution) &&\r
- (BiosVideoPrivate->VbeModeInformationBlock->YResolution > HighestVerticalResolution))) {\r
+ (BiosVideoPrivate->VbeModeInformationBlock->YResolution > HighestVerticalResolution)))\r
+ {\r
HighestHorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;\r
- HighestVerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
- HighestResolutionMode = ModeNumber;\r
+ HighestVerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
+ HighestResolutionMode = ModeNumber;\r
}\r
\r
//\r
// Add mode to the list of available modes\r
//\r
- ModeNumber ++;\r
- ModeBuffer = (BIOS_VIDEO_MODE_DATA *) AllocatePool (\r
- ModeNumber * sizeof (BIOS_VIDEO_MODE_DATA)\r
- );\r
+ ModeNumber++;\r
+ ModeBuffer = (BIOS_VIDEO_MODE_DATA *)AllocatePool (\r
+ ModeNumber * sizeof (BIOS_VIDEO_MODE_DATA)\r
+ );\r
if (NULL == ModeBuffer) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
FreePool (BiosVideoPrivate->ModeData);\r
}\r
\r
- CurrentModeData = &ModeBuffer[ModeNumber - 1];\r
+ CurrentModeData = &ModeBuffer[ModeNumber - 1];\r
CurrentModeData->VbeModeNumber = VbeModeNumber;\r
if (BiosVideoPrivate->VbeInformationBlock->VESAVersion >= VESA_BIOS_EXTENSIONS_VERSION_3_0) {\r
- CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->LinBytesPerScanLine;\r
- CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->LinRedFieldPosition;\r
- CurrentModeData->Red.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRedMaskSize) - 1);\r
- CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->LinBlueFieldPosition;\r
- CurrentModeData->Blue.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinBlueMaskSize) - 1);\r
- CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->LinGreenFieldPosition;\r
- CurrentModeData->Green.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinGreenMaskSize) - 1);\r
+ CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->LinBytesPerScanLine;\r
+ CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->LinRedFieldPosition;\r
+ CurrentModeData->Red.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRedMaskSize) - 1);\r
+ CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->LinBlueFieldPosition;\r
+ CurrentModeData->Blue.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->LinBlueMaskSize) - 1);\r
+ CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->LinGreenFieldPosition;\r
+ CurrentModeData->Green.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->LinGreenMaskSize) - 1);\r
CurrentModeData->Reserved.Position = BiosVideoPrivate->VbeModeInformationBlock->LinRsvdFieldPosition;\r
- CurrentModeData->Reserved.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRsvdMaskSize) - 1);\r
+ CurrentModeData->Reserved.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->LinRsvdMaskSize) - 1);\r
} else {\r
- CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->BytesPerScanLine;\r
- CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->RedFieldPosition;\r
- CurrentModeData->Red.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->RedMaskSize) - 1);\r
- CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->BlueFieldPosition;\r
- CurrentModeData->Blue.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->BlueMaskSize) - 1);\r
- CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->GreenFieldPosition;\r
- CurrentModeData->Green.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->GreenMaskSize) - 1);\r
+ CurrentModeData->BytesPerScanLine = BiosVideoPrivate->VbeModeInformationBlock->BytesPerScanLine;\r
+ CurrentModeData->Red.Position = BiosVideoPrivate->VbeModeInformationBlock->RedFieldPosition;\r
+ CurrentModeData->Red.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->RedMaskSize) - 1);\r
+ CurrentModeData->Blue.Position = BiosVideoPrivate->VbeModeInformationBlock->BlueFieldPosition;\r
+ CurrentModeData->Blue.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->BlueMaskSize) - 1);\r
+ CurrentModeData->Green.Position = BiosVideoPrivate->VbeModeInformationBlock->GreenFieldPosition;\r
+ CurrentModeData->Green.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->GreenMaskSize) - 1);\r
CurrentModeData->Reserved.Position = BiosVideoPrivate->VbeModeInformationBlock->RsvdFieldPosition;\r
- CurrentModeData->Reserved.Mask = (UINT8) ((1 << BiosVideoPrivate->VbeModeInformationBlock->RsvdMaskSize) - 1);\r
+ CurrentModeData->Reserved.Mask = (UINT8)((1 << BiosVideoPrivate->VbeModeInformationBlock->RsvdMaskSize) - 1);\r
}\r
\r
CurrentModeData->PixelFormat = PixelBitMask;\r
if ((BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel == 32) &&\r
- (CurrentModeData->Red.Mask == 0xff) && (CurrentModeData->Green.Mask == 0xff) && (CurrentModeData->Blue.Mask == 0xff)) {\r
+ (CurrentModeData->Red.Mask == 0xff) && (CurrentModeData->Green.Mask == 0xff) && (CurrentModeData->Blue.Mask == 0xff))\r
+ {\r
if ((CurrentModeData->Red.Position == 0) && (CurrentModeData->Green.Position == 8) && (CurrentModeData->Blue.Position == 16)) {\r
CurrentModeData->PixelFormat = PixelRedGreenBlueReserved8BitPerColor;\r
} else if ((CurrentModeData->Blue.Position == 0) && (CurrentModeData->Green.Position == 8) && (CurrentModeData->Red.Position == 16)) {\r
}\r
}\r
\r
- CurrentModeData->PixelBitMask.RedMask = ((UINT32) CurrentModeData->Red.Mask) << CurrentModeData->Red.Position;\r
- CurrentModeData->PixelBitMask.GreenMask = ((UINT32) CurrentModeData->Green.Mask) << CurrentModeData->Green.Position;\r
- CurrentModeData->PixelBitMask.BlueMask = ((UINT32) CurrentModeData->Blue.Mask) << CurrentModeData->Blue.Position;\r
- CurrentModeData->PixelBitMask.ReservedMask = ((UINT32) CurrentModeData->Reserved.Mask) << CurrentModeData->Reserved.Position;\r
+ CurrentModeData->PixelBitMask.RedMask = ((UINT32)CurrentModeData->Red.Mask) << CurrentModeData->Red.Position;\r
+ CurrentModeData->PixelBitMask.GreenMask = ((UINT32)CurrentModeData->Green.Mask) << CurrentModeData->Green.Position;\r
+ CurrentModeData->PixelBitMask.BlueMask = ((UINT32)CurrentModeData->Blue.Mask) << CurrentModeData->Blue.Position;\r
+ CurrentModeData->PixelBitMask.ReservedMask = ((UINT32)CurrentModeData->Reserved.Mask) << CurrentModeData->Reserved.Position;\r
\r
- CurrentModeData->LinearFrameBuffer = (VOID *) (UINTN)BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;\r
+ CurrentModeData->LinearFrameBuffer = (VOID *)(UINTN)BiosVideoPrivate->VbeModeInformationBlock->PhysBasePtr;\r
CurrentModeData->HorizontalResolution = BiosVideoPrivate->VbeModeInformationBlock->XResolution;\r
- CurrentModeData->VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
+ CurrentModeData->VerticalResolution = BiosVideoPrivate->VbeModeInformationBlock->YResolution;\r
\r
- CurrentModeData->BitsPerPixel = BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel;\r
+ CurrentModeData->BitsPerPixel = BiosVideoPrivate->VbeModeInformationBlock->BitsPerPixel;\r
CurrentModeData->FrameBufferSize = CurrentModeData->BytesPerScanLine * CurrentModeData->VerticalResolution;\r
//\r
// Make sure the FrameBufferSize does not exceed the max available frame buffer size reported by VEB.\r
\r
BiosVideoPrivate->ModeData = ModeBuffer;\r
}\r
+\r
//\r
// Check to see if we found any modes that are compatible with GRAPHICS OUTPUT\r
//\r
//\r
// Assign Gop's Blt function\r
//\r
- BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVbeBlt;\r
+ BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVbeBlt;\r
\r
- BiosVideoPrivate->GraphicsOutput.Mode->MaxMode = (UINT32) ModeNumber;\r
+ BiosVideoPrivate->GraphicsOutput.Mode->MaxMode = (UINT32)ModeNumber;\r
//\r
// Current mode is unknow till now, set it to an invalid mode.\r
//\r
DEBUG_CODE (\r
BIOS_VIDEO_MODE_DATA *ModeData;\r
ModeData = &BiosVideoPrivate->ModeData[HighestResolutionMode];\r
- DEBUG ((DEBUG_INFO, "BiosVideo set highest resolution %d x %d\n",\r
- ModeData->HorizontalResolution, ModeData->VerticalResolution));\r
- );\r
+ DEBUG ((\r
+ DEBUG_INFO,\r
+ "BiosVideo set highest resolution %d x %d\n",\r
+ ModeData->HorizontalResolution,\r
+ ModeData->VerticalResolution\r
+ ));\r
+ );\r
PreferMode = HighestResolutionMode;\r
}\r
- Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, (UINT32) PreferMode);\r
+\r
+ Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, (UINT32)PreferMode);\r
if (EFI_ERROR (Status)) {\r
- for (PreferMode = 0; PreferMode < ModeNumber; PreferMode ++) {\r
+ for (PreferMode = 0; PreferMode < ModeNumber; PreferMode++) {\r
Status = BiosVideoGraphicsOutputSetMode (\r
- &BiosVideoPrivate->GraphicsOutput,\r
- (UINT32) PreferMode\r
- );\r
+ &BiosVideoPrivate->GraphicsOutput,\r
+ (UINT32)PreferMode\r
+ );\r
if (!EFI_ERROR (Status)) {\r
break;\r
}\r
}\r
+\r
if (PreferMode == ModeNumber) {\r
//\r
// None mode is set successfully.\r
if (EFI_ERROR (Status)) {\r
if (BiosVideoPrivate->ModeData != NULL) {\r
FreePool (BiosVideoPrivate->ModeData);\r
- BiosVideoPrivate->ModeData = NULL;\r
- BiosVideoPrivate->MaxMode = 0;\r
+ BiosVideoPrivate->ModeData = NULL;\r
+ BiosVideoPrivate->MaxMode = 0;\r
}\r
+\r
if (EdidOverrideDataBlock != NULL) {\r
FreePool (EdidOverrideDataBlock);\r
}\r
return Status;\r
}\r
\r
-\r
/**\r
Check for VGA device.\r
\r
//\r
// Assign Gop's Blt function\r
//\r
- BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVgaBlt;\r
+ BiosVideoPrivate->GraphicsOutput.Blt = BiosVideoGraphicsOutputVgaBlt;\r
\r
//\r
// Add mode to the list of available modes\r
ASSERT (BiosVideoPrivate->GraphicsOutput.Mode != NULL);\r
BiosVideoPrivate->GraphicsOutput.Mode->MaxMode = 1;\r
\r
- ModeBuffer = (BIOS_VIDEO_MODE_DATA *) AllocatePool (\r
- sizeof (BIOS_VIDEO_MODE_DATA)\r
- );\r
+ ModeBuffer = (BIOS_VIDEO_MODE_DATA *)AllocatePool (\r
+ sizeof (BIOS_VIDEO_MODE_DATA)\r
+ );\r
if (NULL == ModeBuffer) {\r
Status = EFI_OUT_OF_RESOURCES;\r
goto Done;\r
}\r
\r
- ModeBuffer->VbeModeNumber = 0x0012;\r
- ModeBuffer->BytesPerScanLine = 640;\r
- ModeBuffer->LinearFrameBuffer = (VOID *) (UINTN) (0xa0000);\r
- ModeBuffer->HorizontalResolution = 640;\r
- ModeBuffer->VerticalResolution = 480;\r
- ModeBuffer->PixelFormat = PixelBltOnly;\r
- ModeBuffer->BitsPerPixel = 8;\r
- ModeBuffer->ColorDepth = 32;\r
- ModeBuffer->RefreshRate = 60;\r
+ ModeBuffer->VbeModeNumber = 0x0012;\r
+ ModeBuffer->BytesPerScanLine = 640;\r
+ ModeBuffer->LinearFrameBuffer = (VOID *)(UINTN)(0xa0000);\r
+ ModeBuffer->HorizontalResolution = 640;\r
+ ModeBuffer->VerticalResolution = 480;\r
+ ModeBuffer->PixelFormat = PixelBltOnly;\r
+ ModeBuffer->BitsPerPixel = 8;\r
+ ModeBuffer->ColorDepth = 32;\r
+ ModeBuffer->RefreshRate = 60;\r
\r
BiosVideoPrivate->ModeData = ModeBuffer;\r
\r
// Test to see if the Video Adapter support the 640x480 16 color mode\r
//\r
BiosVideoPrivate->GraphicsOutput.Mode->Mode = GRAPHICS_OUTPUT_INVALIDE_MODE_NUMBER;\r
- Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, 0);\r
+ Status = BiosVideoGraphicsOutputSetMode (&BiosVideoPrivate->GraphicsOutput, 0);\r
\r
Done:\r
//\r
FreePool (BiosVideoPrivate->ModeData);\r
BiosVideoPrivate->ModeData = NULL;\r
}\r
+\r
if (BiosVideoPrivate->GraphicsOutput.Mode != NULL) {\r
if (BiosVideoPrivate->GraphicsOutput.Mode->Info != NULL) {\r
FreePool (BiosVideoPrivate->GraphicsOutput.Mode->Info);\r
BiosVideoPrivate->GraphicsOutput.Mode->Info = NULL;\r
}\r
+\r
FreePool (BiosVideoPrivate->GraphicsOutput.Mode);\r
BiosVideoPrivate->GraphicsOutput.Mode = NULL;\r
}\r
}\r
+\r
return Status;\r
}\r
\r
return EFI_NOT_STARTED;\r
}\r
\r
- if (This == NULL || Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {\r
+ if ((This == NULL) || (Info == NULL) || (SizeOfInfo == NULL) || (ModeNumber >= This->Mode->MaxMode)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- *Info = (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *) AllocatePool (\r
+ *Info = (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *)AllocatePool (\r
sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION)\r
);\r
if (NULL == *Info) {\r
\r
*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
\r
- ModeData = &BiosVideoPrivate->ModeData[ModeNumber];\r
- (*Info)->Version = 0;\r
+ ModeData = &BiosVideoPrivate->ModeData[ModeNumber];\r
+ (*Info)->Version = 0;\r
(*Info)->HorizontalResolution = ModeData->HorizontalResolution;\r
(*Info)->VerticalResolution = ModeData->VerticalResolution;\r
- (*Info)->PixelFormat = ModeData->PixelFormat;\r
- CopyMem (&((*Info)->PixelInformation), &(ModeData->PixelBitMask), sizeof(ModeData->PixelBitMask));\r
+ (*Info)->PixelFormat = ModeData->PixelFormat;\r
+ CopyMem (&((*Info)->PixelInformation), &(ModeData->PixelBitMask), sizeof (ModeData->PixelBitMask));\r
\r
(*Info)->PixelsPerScanLine = (ModeData->BytesPerScanLine * 8) / ModeData->BitsPerPixel;\r
\r
**/\r
EFI_STATUS\r
BiosVideoSetModeWorker (\r
- IN BIOS_VIDEO_DEV *BiosVideoPrivate,\r
- IN BIOS_VIDEO_MODE_DATA *ModeData,\r
- IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
+ IN BIOS_VIDEO_DEV *BiosVideoPrivate,\r
+ IN BIOS_VIDEO_MODE_DATA *ModeData,\r
+ IN EFI_DEVICE_PATH_PROTOCOL *DevicePath\r
)\r
{\r
- EFI_STATUS Status;\r
- EFI_IA32_REGISTER_SET Regs;\r
+ EFI_STATUS Status;\r
+ EFI_IA32_REGISTER_SET Regs;\r
\r
if (BiosVideoPrivate->LineBuffer != NULL) {\r
FreePool (BiosVideoPrivate->LineBuffer);\r
FreePool (BiosVideoPrivate->VbeFrameBuffer);\r
}\r
\r
- BiosVideoPrivate->LineBuffer = (UINT8 *) AllocatePool (\r
- ModeData->BytesPerScanLine\r
- );\r
+ BiosVideoPrivate->LineBuffer = (UINT8 *)AllocatePool (\r
+ ModeData->BytesPerScanLine\r
+ );\r
if (NULL == BiosVideoPrivate->LineBuffer) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
+\r
//\r
// Clear all registers\r
//\r
//\r
// Allocate a working buffer for BLT operations to the VGA frame buffer\r
//\r
- BiosVideoPrivate->VgaFrameBuffer = (UINT8 *) AllocatePool (4 * 480 * 80);\r
+ BiosVideoPrivate->VgaFrameBuffer = (UINT8 *)AllocatePool (4 * 480 * 80);\r
if (NULL == BiosVideoPrivate->VgaFrameBuffer) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
+\r
//\r
// Set VGA Mode\r
//\r
Regs.X.AX = ModeData->VbeModeNumber;\r
BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
-\r
} else {\r
//\r
// Allocate a working buffer for BLT operations to the VBE frame buffer\r
//\r
BiosVideoPrivate->VbeFrameBuffer =\r
- (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) AllocatePool (\r
- ModeData->BytesPerScanLine * ModeData->VerticalResolution\r
- );\r
+ (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)AllocatePool (\r
+ ModeData->BytesPerScanLine * ModeData->VerticalResolution\r
+ );\r
if (NULL == BiosVideoPrivate->VbeFrameBuffer) {\r
return EFI_OUT_OF_RESOURCES;\r
}\r
+\r
//\r
// Set VBE mode\r
//\r
Regs.X.AX = VESA_BIOS_EXTENSIONS_SET_MODE;\r
- Regs.X.BX = (UINT16) (ModeData->VbeModeNumber | VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER);\r
+ Regs.X.BX = (UINT16)(ModeData->VbeModeNumber | VESA_BIOS_EXTENSIONS_MODE_NUMBER_LINEAR_FRAME_BUFFER);\r
ZeroMem (BiosVideoPrivate->VbeCrtcInformationBlock, sizeof (VESA_BIOS_EXTENSIONS_CRTC_INFORMATION_BLOCK));\r
- Regs.X.ES = EFI_SEGMENT ((UINTN) BiosVideoPrivate->VbeCrtcInformationBlock);\r
- Regs.X.DI = EFI_OFFSET ((UINTN) BiosVideoPrivate->VbeCrtcInformationBlock);\r
+ Regs.X.ES = EFI_SEGMENT ((UINTN)BiosVideoPrivate->VbeCrtcInformationBlock);\r
+ Regs.X.DI = EFI_OFFSET ((UINTN)BiosVideoPrivate->VbeCrtcInformationBlock);\r
BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
\r
//\r
);\r
return EFI_DEVICE_ERROR;\r
}\r
+\r
//\r
// Initialize the state of the VbeFrameBuffer\r
//\r
BiosVideoPrivate->PciIo,\r
EfiPciIoWidthUint32,\r
EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) ModeData->LinearFrameBuffer,\r
+ (UINT64)(UINTN)ModeData->LinearFrameBuffer,\r
(ModeData->BytesPerScanLine * ModeData->VerticalResolution) >> 2,\r
BiosVideoPrivate->VbeFrameBuffer\r
);\r
EFI_STATUS\r
EFIAPI\r
BiosVideoGraphicsOutputSetMode (\r
- IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,\r
- IN UINT32 ModeNumber\r
+ IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,\r
+ IN UINT32 ModeNumber\r
)\r
{\r
- EFI_STATUS Status;\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- BIOS_VIDEO_MODE_DATA *ModeData;\r
- EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;\r
+ EFI_STATUS Status;\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ BIOS_VIDEO_MODE_DATA *ModeData;\r
+ EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background;\r
\r
if (This == NULL) {\r
return EFI_INVALID_PARAMETER;\r
//\r
ZeroMem (&Background, sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
BiosVideoGraphicsOutputVbeBlt (\r
- This,\r
- &Background,\r
- EfiBltVideoFill,\r
- 0,\r
- 0,\r
- 0,\r
- 0,\r
- ModeData->HorizontalResolution,\r
- ModeData->VerticalResolution,\r
- 0\r
- );\r
+ This,\r
+ &Background,\r
+ EfiBltVideoFill,\r
+ 0,\r
+ 0,\r
+ 0,\r
+ 0,\r
+ ModeData->HorizontalResolution,\r
+ ModeData->VerticalResolution,\r
+ 0\r
+ );\r
return EFI_SUCCESS;\r
}\r
\r
return Status;\r
}\r
\r
- This->Mode->Mode = ModeNumber;\r
- This->Mode->Info->Version = 0;\r
+ This->Mode->Mode = ModeNumber;\r
+ This->Mode->Info->Version = 0;\r
This->Mode->Info->HorizontalResolution = ModeData->HorizontalResolution;\r
- This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;\r
- This->Mode->Info->PixelFormat = ModeData->PixelFormat;\r
+ This->Mode->Info->VerticalResolution = ModeData->VerticalResolution;\r
+ This->Mode->Info->PixelFormat = ModeData->PixelFormat;\r
CopyMem (&(This->Mode->Info->PixelInformation), &(ModeData->PixelBitMask), sizeof (ModeData->PixelBitMask));\r
This->Mode->Info->PixelsPerScanLine = (ModeData->BytesPerScanLine * 8) / ModeData->BitsPerPixel;\r
- This->Mode->SizeOfInfo = sizeof(EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
- This->Mode->FrameBufferSize = ModeData->FrameBufferSize;\r
- This->Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS) (UINTN) ModeData->LinearFrameBuffer;\r
+ This->Mode->SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);\r
+ This->Mode->FrameBufferSize = ModeData->FrameBufferSize;\r
+ This->Mode->FrameBufferBase = (EFI_PHYSICAL_ADDRESS)(UINTN)ModeData->LinearFrameBuffer;\r
\r
BiosVideoPrivate->HardwareNeedsStarting = FALSE;\r
\r
**/\r
VOID\r
CopyVideoBuffer (\r
- IN EFI_PCI_IO_PROTOCOL *PciIo,\r
- IN UINT8 *VbeBuffer,\r
- IN VOID *MemAddress,\r
- IN UINTN DestinationX,\r
- IN UINTN DestinationY,\r
- IN UINTN TotalBytes,\r
- IN UINT32 VbePixelWidth,\r
- IN UINTN BytesPerScanLine\r
+ IN EFI_PCI_IO_PROTOCOL *PciIo,\r
+ IN UINT8 *VbeBuffer,\r
+ IN VOID *MemAddress,\r
+ IN UINTN DestinationX,\r
+ IN UINTN DestinationY,\r
+ IN UINTN TotalBytes,\r
+ IN UINT32 VbePixelWidth,\r
+ IN UINTN BytesPerScanLine\r
)\r
{\r
- UINTN FrameBufferAddr;\r
- UINTN CopyBlockNum;\r
- UINTN RemainingBytes;\r
- UINTN UnalignedBytes;\r
- EFI_STATUS Status;\r
+ UINTN FrameBufferAddr;\r
+ UINTN CopyBlockNum;\r
+ UINTN RemainingBytes;\r
+ UINTN UnalignedBytes;\r
+ EFI_STATUS Status;\r
\r
- FrameBufferAddr = (UINTN) MemAddress + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth;\r
+ FrameBufferAddr = (UINTN)MemAddress + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth;\r
\r
//\r
// If TotalBytes is less than 4 bytes, only start byte copy.\r
//\r
if (TotalBytes < 4) {\r
Status = PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) FrameBufferAddr,\r
- TotalBytes,\r
- VbeBuffer\r
- );\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)FrameBufferAddr,\r
+ TotalBytes,\r
+ VbeBuffer\r
+ );\r
ASSERT_EFI_ERROR (Status);\r
return;\r
}\r
//\r
// If VbeBuffer is not 4-byte aligned, start byte copy.\r
//\r
- UnalignedBytes = (4 - ((UINTN) VbeBuffer & 0x3)) & 0x3;\r
+ UnalignedBytes = (4 - ((UINTN)VbeBuffer & 0x3)) & 0x3;\r
\r
if (UnalignedBytes != 0) {\r
Status = PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) FrameBufferAddr,\r
- UnalignedBytes,\r
- VbeBuffer\r
- );\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)FrameBufferAddr,\r
+ UnalignedBytes,\r
+ VbeBuffer\r
+ );\r
ASSERT_EFI_ERROR (Status);\r
FrameBufferAddr += UnalignedBytes;\r
VbeBuffer += UnalignedBytes;\r
//\r
if (CopyBlockNum != 0) {\r
Status = PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint32,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) FrameBufferAddr,\r
- CopyBlockNum,\r
- VbeBuffer\r
- );\r
+ PciIo,\r
+ EfiPciIoWidthUint32,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)FrameBufferAddr,\r
+ CopyBlockNum,\r
+ VbeBuffer\r
+ );\r
ASSERT_EFI_ERROR (Status);\r
}\r
\r
if (RemainingBytes != 0) {\r
FrameBufferAddr += (CopyBlockNum << 2);\r
VbeBuffer += (CopyBlockNum << 2);\r
- Status = PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) FrameBufferAddr,\r
- RemainingBytes,\r
- VbeBuffer\r
- );\r
+ Status = PciIo->Mem.Write (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)FrameBufferAddr,\r
+ RemainingBytes,\r
+ VbeBuffer\r
+ );\r
ASSERT_EFI_ERROR (Status);\r
}\r
}\r
UINT32 Pixel;\r
UINTN TotalBytes;\r
\r
- PciIo = BiosVideoPrivate->PciIo;\r
+ PciIo = BiosVideoPrivate->PciIo;\r
\r
- VbeFrameBuffer = BiosVideoPrivate->VbeFrameBuffer;\r
- MemAddress = Mode->LinearFrameBuffer;\r
- BytesPerScanLine = Mode->BytesPerScanLine;\r
- VbePixelWidth = Mode->BitsPerPixel / 8;\r
- BltUint8 = (UINT8 *) BltBuffer;\r
- TotalBytes = Width * VbePixelWidth;\r
+ VbeFrameBuffer = BiosVideoPrivate->VbeFrameBuffer;\r
+ MemAddress = Mode->LinearFrameBuffer;\r
+ BytesPerScanLine = Mode->BytesPerScanLine;\r
+ VbePixelWidth = Mode->BitsPerPixel / 8;\r
+ BltUint8 = (UINT8 *)BltBuffer;\r
+ TotalBytes = Width * VbePixelWidth;\r
\r
- if (((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {\r
+ if (((UINTN)BltOperation) >= EfiGraphicsOutputBltOperationMax) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- if (Width == 0 || Height == 0) {\r
+ if ((Width == 0) || (Height == 0)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
+\r
//\r
// We need to fill the Virtual Screen buffer with the blt data.\r
// The virtual screen is upside down, as the first row is the bootom row of\r
return EFI_INVALID_PARAMETER;\r
}\r
}\r
+\r
//\r
// If Delta is zero, then the entire BltBuffer is being used, so Delta\r
// is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,\r
if (Delta == 0) {\r
Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r
}\r
+\r
//\r
// We have to raise to TPL Notify, so we make an atomic write the frame buffer.\r
// We would not want a timer based event (Cursor, ...) to come in while we are\r
OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);\r
\r
switch (BltOperation) {\r
- case EfiBltVideoToBltBuffer:\r
- for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {\r
- Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (BltUint8 + DstY * Delta + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
- //\r
- // Shuffle the packed bytes in the hardware buffer to match EFI_GRAPHICS_OUTPUT_BLT_PIXEL\r
- //\r
- VbeBuffer = ((UINT8 *) VbeFrameBuffer + (SrcY * BytesPerScanLine + SourceX * VbePixelWidth));\r
- for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {\r
- Pixel = VbeBuffer[0] | VbeBuffer[1] << 8 | VbeBuffer[2] << 16 | VbeBuffer[3] << 24;\r
- Blt->Red = (UINT8) ((Pixel >> Mode->Red.Position) & Mode->Red.Mask);\r
- Blt->Blue = (UINT8) ((Pixel >> Mode->Blue.Position) & Mode->Blue.Mask);\r
- Blt->Green = (UINT8) ((Pixel >> Mode->Green.Position) & Mode->Green.Mask);\r
- Blt->Reserved = 0;\r
- Blt++;\r
- VbeBuffer += VbePixelWidth;\r
+ case EfiBltVideoToBltBuffer:\r
+ for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {\r
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)(BltUint8 + DstY * Delta + DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
+ //\r
+ // Shuffle the packed bytes in the hardware buffer to match EFI_GRAPHICS_OUTPUT_BLT_PIXEL\r
+ //\r
+ VbeBuffer = ((UINT8 *)VbeFrameBuffer + (SrcY * BytesPerScanLine + SourceX * VbePixelWidth));\r
+ for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {\r
+ Pixel = VbeBuffer[0] | VbeBuffer[1] << 8 | VbeBuffer[2] << 16 | VbeBuffer[3] << 24;\r
+ Blt->Red = (UINT8)((Pixel >> Mode->Red.Position) & Mode->Red.Mask);\r
+ Blt->Blue = (UINT8)((Pixel >> Mode->Blue.Position) & Mode->Blue.Mask);\r
+ Blt->Green = (UINT8)((Pixel >> Mode->Green.Position) & Mode->Green.Mask);\r
+ Blt->Reserved = 0;\r
+ Blt++;\r
+ VbeBuffer += VbePixelWidth;\r
+ }\r
}\r
\r
- }\r
- break;\r
+ break;\r
\r
- case EfiBltVideoToVideo:\r
- for (Index = 0; Index < Height; Index++) {\r
- if (DestinationY <= SourceY) {\r
- SrcY = SourceY + Index;\r
- DstY = DestinationY + Index;\r
- } else {\r
- SrcY = SourceY + Height - Index - 1;\r
- DstY = DestinationY + Height - Index - 1;\r
- }\r
+ case EfiBltVideoToVideo:\r
+ for (Index = 0; Index < Height; Index++) {\r
+ if (DestinationY <= SourceY) {\r
+ SrcY = SourceY + Index;\r
+ DstY = DestinationY + Index;\r
+ } else {\r
+ SrcY = SourceY + Height - Index - 1;\r
+ DstY = DestinationY + Height - Index - 1;\r
+ }\r
\r
- VbeBuffer = ((UINT8 *) VbeFrameBuffer + DstY * BytesPerScanLine + DestinationX * VbePixelWidth);\r
- VbeBuffer1 = ((UINT8 *) VbeFrameBuffer + SrcY * BytesPerScanLine + SourceX * VbePixelWidth);\r
+ VbeBuffer = ((UINT8 *)VbeFrameBuffer + DstY * BytesPerScanLine + DestinationX * VbePixelWidth);\r
+ VbeBuffer1 = ((UINT8 *)VbeFrameBuffer + SrcY * BytesPerScanLine + SourceX * VbePixelWidth);\r
\r
- gBS->CopyMem (\r
- VbeBuffer,\r
- VbeBuffer1,\r
- TotalBytes\r
- );\r
+ gBS->CopyMem (\r
+ VbeBuffer,\r
+ VbeBuffer1,\r
+ TotalBytes\r
+ );\r
+\r
+ //\r
+ // Update physical frame buffer.\r
+ //\r
+ CopyVideoBuffer (\r
+ PciIo,\r
+ VbeBuffer,\r
+ MemAddress,\r
+ DestinationX,\r
+ DstY,\r
+ TotalBytes,\r
+ VbePixelWidth,\r
+ BytesPerScanLine\r
+ );\r
+ }\r
+\r
+ break;\r
\r
+ case EfiBltVideoFill:\r
+ VbeBuffer = (UINT8 *)((UINTN)VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);\r
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)BltUint8;\r
//\r
- // Update physical frame buffer.\r
+ // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer\r
//\r
- CopyVideoBuffer (\r
- PciIo,\r
- VbeBuffer,\r
- MemAddress,\r
- DestinationX,\r
- DstY,\r
- TotalBytes,\r
- VbePixelWidth,\r
- BytesPerScanLine\r
- );\r
- }\r
- break;\r
+ Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |\r
+ (\r
+ (Blt->Green & Mode->Green.Mask) <<\r
+ Mode->Green.Position\r
+ ) |\r
+ ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);\r
+\r
+ for (Index = 0; Index < Width; Index++) {\r
+ gBS->CopyMem (\r
+ VbeBuffer,\r
+ &Pixel,\r
+ VbePixelWidth\r
+ );\r
+ VbeBuffer += VbePixelWidth;\r
+ }\r
\r
- case EfiBltVideoFill:\r
- VbeBuffer = (UINT8 *) ((UINTN) VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);\r
- Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltUint8;\r
- //\r
- // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer\r
- //\r
- Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |\r
- (\r
- (Blt->Green & Mode->Green.Mask) <<\r
- Mode->Green.Position\r
- ) |\r
- ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);\r
+ VbeBuffer = (UINT8 *)((UINTN)VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);\r
+ for (DstY = DestinationY + 1; DstY < (Height + DestinationY); DstY++) {\r
+ gBS->CopyMem (\r
+ (VOID *)((UINTN)VbeFrameBuffer + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),\r
+ VbeBuffer,\r
+ TotalBytes\r
+ );\r
+ }\r
\r
- for (Index = 0; Index < Width; Index++) {\r
- gBS->CopyMem (\r
- VbeBuffer,\r
- &Pixel,\r
- VbePixelWidth\r
- );\r
- VbeBuffer += VbePixelWidth;\r
- }\r
+ for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {\r
+ //\r
+ // Update physical frame buffer.\r
+ //\r
+ CopyVideoBuffer (\r
+ PciIo,\r
+ VbeBuffer,\r
+ MemAddress,\r
+ DestinationX,\r
+ DstY,\r
+ TotalBytes,\r
+ VbePixelWidth,\r
+ BytesPerScanLine\r
+ );\r
+ }\r
\r
- VbeBuffer = (UINT8 *) ((UINTN) VbeFrameBuffer + (DestinationY * BytesPerScanLine) + DestinationX * VbePixelWidth);\r
- for (DstY = DestinationY + 1; DstY < (Height + DestinationY); DstY++) {\r
- gBS->CopyMem (\r
- (VOID *) ((UINTN) VbeFrameBuffer + (DstY * BytesPerScanLine) + DestinationX * VbePixelWidth),\r
- VbeBuffer,\r
- TotalBytes\r
- );\r
- }\r
+ break;\r
\r
- for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {\r
- //\r
- // Update physical frame buffer.\r
- //\r
- CopyVideoBuffer (\r
- PciIo,\r
- VbeBuffer,\r
- MemAddress,\r
- DestinationX,\r
- DstY,\r
- TotalBytes,\r
- VbePixelWidth,\r
- BytesPerScanLine\r
- );\r
- }\r
- break;\r
+ case EfiBltBufferToVideo:\r
+ for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {\r
+ Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *)(BltUint8 + (SrcY * Delta) + (SourceX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
+ VbeBuffer = ((UINT8 *)VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));\r
+ for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {\r
+ //\r
+ // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer\r
+ //\r
+ Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |\r
+ ((Blt->Green & Mode->Green.Mask) << Mode->Green.Position) |\r
+ ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);\r
+ gBS->CopyMem (\r
+ VbeBuffer,\r
+ &Pixel,\r
+ VbePixelWidth\r
+ );\r
+ Blt++;\r
+ VbeBuffer += VbePixelWidth;\r
+ }\r
+\r
+ VbeBuffer = ((UINT8 *)VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));\r
\r
- case EfiBltBufferToVideo:\r
- for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {\r
- Blt = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (BltUint8 + (SrcY * Delta) + (SourceX) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));\r
- VbeBuffer = ((UINT8 *) VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));\r
- for (DstX = DestinationX; DstX < (Width + DestinationX); DstX++) {\r
//\r
- // Shuffle the RGB fields in EFI_GRAPHICS_OUTPUT_BLT_PIXEL to match the hardware buffer\r
+ // Update physical frame buffer.\r
//\r
- Pixel = ((Blt->Red & Mode->Red.Mask) << Mode->Red.Position) |\r
- ((Blt->Green & Mode->Green.Mask) << Mode->Green.Position) |\r
- ((Blt->Blue & Mode->Blue.Mask) << Mode->Blue.Position);\r
- gBS->CopyMem (\r
- VbeBuffer,\r
- &Pixel,\r
- VbePixelWidth\r
- );\r
- Blt++;\r
- VbeBuffer += VbePixelWidth;\r
+ CopyVideoBuffer (\r
+ PciIo,\r
+ VbeBuffer,\r
+ MemAddress,\r
+ DestinationX,\r
+ DstY,\r
+ TotalBytes,\r
+ VbePixelWidth,\r
+ BytesPerScanLine\r
+ );\r
}\r
\r
- VbeBuffer = ((UINT8 *) VbeFrameBuffer + (DstY * BytesPerScanLine + DestinationX * VbePixelWidth));\r
+ break;\r
\r
- //\r
- // Update physical frame buffer.\r
- //\r
- CopyVideoBuffer (\r
- PciIo,\r
- VbeBuffer,\r
- MemAddress,\r
- DestinationX,\r
- DstY,\r
- TotalBytes,\r
- VbePixelWidth,\r
- BytesPerScanLine\r
- );\r
- }\r
- break;\r
-\r
- default: ;\r
+ default:;\r
}\r
\r
gBS->RestoreTPL (OriginalTPL);\r
IN UINTN Delta\r
)\r
{\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- BIOS_VIDEO_MODE_DATA *Mode;\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ BIOS_VIDEO_MODE_DATA *Mode;\r
\r
if (This == NULL) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);\r
- Mode = &BiosVideoPrivate->ModeData[This->Mode->Mode];\r
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);\r
+ Mode = &BiosVideoPrivate->ModeData[This->Mode->Mode];\r
\r
return BiosVideoVbeBltWorker (\r
BiosVideoPrivate,\r
);\r
}\r
\r
-\r
/**\r
Read the four bit plane of VGA frame buffer.\r
\r
UINTN Height\r
)\r
{\r
- UINTN BitPlane;\r
- UINTN Rows;\r
- UINTN FrameBufferOffset;\r
- UINT8 *Source;\r
- UINT8 *Destination;\r
+ UINTN BitPlane;\r
+ UINTN Rows;\r
+ UINTN FrameBufferOffset;\r
+ UINT8 *Source;\r
+ UINT8 *Destination;\r
\r
//\r
// Program the Mode Register Write mode 0, Read mode 0\r
for (BitPlane = 0, FrameBufferOffset = 0;\r
BitPlane < VGA_NUMBER_OF_BIT_PLANES;\r
BitPlane++, FrameBufferOffset += VGA_BYTES_PER_BIT_PLANE\r
- ) {\r
+ )\r
+ {\r
//\r
// Program the Read Map Select Register to select the correct bit plane\r
//\r
\r
for (Rows = 0; Rows < Height; Rows++, Source += VGA_BYTES_PER_SCAN_LINE, Destination += VGA_BYTES_PER_SCAN_LINE) {\r
PciIo->Mem.Read (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Source,\r
- WidthInBytes,\r
- (VOID *) Destination\r
- );\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Source,\r
+ WidthInBytes,\r
+ (VOID *)Destination\r
+ );\r
}\r
}\r
}\r
\r
-\r
/**\r
Internal routine to convert VGA color to Grahpics Output color.\r
\r
EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer\r
)\r
{\r
- UINTN Mask;\r
- UINTN Bit;\r
- UINTN Color;\r
+ UINTN Mask;\r
+ UINTN Bit;\r
+ UINTN Color;\r
\r
MemoryBuffer += ((CoordinateY << 6) + (CoordinateY << 4) + (CoordinateX >> 3));\r
- Mask = mVgaBitMaskTable[CoordinateX & 0x07];\r
+ Mask = mVgaBitMaskTable[CoordinateX & 0x07];\r
for (Bit = 0x01, Color = 0; Bit < 0x10; Bit <<= 1, MemoryBuffer += VGA_BYTES_PER_BIT_PLANE) {\r
if ((*MemoryBuffer & Mask) != 0) {\r
Color |= Bit;\r
**/\r
UINT8\r
VgaConvertColor (\r
- IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer\r
+ IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer\r
)\r
{\r
- UINT8 Color;\r
+ UINT8 Color;\r
\r
- Color = (UINT8) ((BltBuffer->Blue >> 7) | ((BltBuffer->Green >> 6) & 0x02) | ((BltBuffer->Red >> 5) & 0x04));\r
+ Color = (UINT8)((BltBuffer->Blue >> 7) | ((BltBuffer->Green >> 6) & 0x02) | ((BltBuffer->Red >> 5) & 0x04));\r
if ((BltBuffer->Red + BltBuffer->Green + BltBuffer->Blue) > 0x180) {\r
Color |= 0x08;\r
}\r
return Color;\r
}\r
\r
-\r
/**\r
Grahpics Output protocol instance to block transfer for VGA device.\r
\r
IN UINTN Delta\r
)\r
{\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- EFI_TPL OriginalTPL;\r
- UINT8 *MemAddress;\r
- UINTN BytesPerScanLine;\r
- UINTN Bit;\r
- UINTN Index;\r
- UINTN Index1;\r
- UINTN StartAddress;\r
- UINTN Bytes;\r
- UINTN Offset;\r
- UINT8 LeftMask;\r
- UINT8 RightMask;\r
- UINTN Address;\r
- UINTN AddressFix;\r
- UINT8 *Address1;\r
- UINT8 *SourceAddress;\r
- UINT8 *DestinationAddress;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
- UINT8 Data;\r
- UINT8 PixelColor;\r
- UINT8 *VgaFrameBuffer;\r
- UINTN SourceOffset;\r
- UINTN SourceWidth;\r
- UINTN Rows;\r
- UINTN Columns;\r
- UINTN CoordinateX;\r
- UINTN CoordinateY;\r
- UINTN CurrentMode;\r
-\r
- if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ EFI_TPL OriginalTPL;\r
+ UINT8 *MemAddress;\r
+ UINTN BytesPerScanLine;\r
+ UINTN Bit;\r
+ UINTN Index;\r
+ UINTN Index1;\r
+ UINTN StartAddress;\r
+ UINTN Bytes;\r
+ UINTN Offset;\r
+ UINT8 LeftMask;\r
+ UINT8 RightMask;\r
+ UINTN Address;\r
+ UINTN AddressFix;\r
+ UINT8 *Address1;\r
+ UINT8 *SourceAddress;\r
+ UINT8 *DestinationAddress;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ UINT8 Data;\r
+ UINT8 PixelColor;\r
+ UINT8 *VgaFrameBuffer;\r
+ UINTN SourceOffset;\r
+ UINTN SourceWidth;\r
+ UINTN Rows;\r
+ UINTN Columns;\r
+ UINTN CoordinateX;\r
+ UINTN CoordinateY;\r
+ UINTN CurrentMode;\r
+\r
+ if ((This == NULL) || (((UINTN)BltOperation) >= EfiGraphicsOutputBltOperationMax)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
\r
- BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);\r
-\r
- CurrentMode = This->Mode->Mode;\r
- PciIo = BiosVideoPrivate->PciIo;\r
- MemAddress = BiosVideoPrivate->ModeData[CurrentMode].LinearFrameBuffer;\r
- BytesPerScanLine = BiosVideoPrivate->ModeData[CurrentMode].BytesPerScanLine >> 3;\r
- VgaFrameBuffer = BiosVideoPrivate->VgaFrameBuffer;\r
+ BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_GRAPHICS_OUTPUT_THIS (This);\r
\r
+ CurrentMode = This->Mode->Mode;\r
+ PciIo = BiosVideoPrivate->PciIo;\r
+ MemAddress = BiosVideoPrivate->ModeData[CurrentMode].LinearFrameBuffer;\r
+ BytesPerScanLine = BiosVideoPrivate->ModeData[CurrentMode].BytesPerScanLine >> 3;\r
+ VgaFrameBuffer = BiosVideoPrivate->VgaFrameBuffer;\r
\r
- if (Width == 0 || Height == 0) {\r
+ if ((Width == 0) || (Height == 0)) {\r
return EFI_INVALID_PARAMETER;\r
}\r
+\r
//\r
// We need to fill the Virtual Screen buffer with the blt data.\r
// The virtual screen is upside down, as the first row is the bootom row of\r
return EFI_INVALID_PARAMETER;\r
}\r
}\r
+\r
//\r
// If Delta is zero, then the entire BltBuffer is being used, so Delta\r
// is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,\r
if (Delta == 0) {\r
Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);\r
}\r
+\r
//\r
// We have to raise to TPL Notify, so we make an atomic write the frame buffer.\r
// We would not want a timer based event (Cursor, ...) to come in while we are\r
// Compute some values we need for VGA\r
//\r
switch (BltOperation) {\r
- case EfiBltVideoToBltBuffer:\r
-\r
- SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);\r
- SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;\r
-\r
- //\r
- // Read all the pixels in the 4 bit planes into a memory buffer that looks like the VGA buffer\r
- //\r
- VgaReadBitPlanes (\r
- PciIo,\r
- MemAddress + SourceOffset,\r
- VgaFrameBuffer + SourceOffset,\r
- SourceWidth,\r
- Height\r
- );\r
-\r
- //\r
- // Convert VGA Bit Planes to a Graphics Output 32-bit color value\r
- //\r
- BltBuffer += (DestinationY * (Delta >> 2) + DestinationX);\r
- for (Rows = 0, CoordinateY = SourceY; Rows < Height; Rows++, CoordinateY++, BltBuffer += (Delta >> 2)) {\r
- for (Columns = 0, CoordinateX = SourceX; Columns < Width; Columns++, CoordinateX++, BltBuffer++) {\r
- VgaConvertToGraphicsOutputColor (VgaFrameBuffer, CoordinateX, CoordinateY, BltBuffer);\r
- }\r
-\r
- BltBuffer -= Width;\r
- }\r
+ case EfiBltVideoToBltBuffer:\r
\r
- break;\r
-\r
- case EfiBltVideoToVideo:\r
- //\r
- // Check for an aligned Video to Video operation\r
- //\r
- if ((SourceX & 0x07) == 0x00 && (DestinationX & 0x07) == 0x00 && (Width & 0x07) == 0x00) {\r
- //\r
- // Program the Mode Register Write mode 1, Read mode 0\r
- //\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
- VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1\r
- );\r
-\r
- SourceAddress = (UINT8 *) (MemAddress + (SourceY << 6) + (SourceY << 4) + (SourceX >> 3));\r
- DestinationAddress = (UINT8 *) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
- Bytes = Width >> 3;\r
- for (Index = 0, Offset = 0; Index < Height; Index++, Offset += BytesPerScanLine) {\r
- PciIo->CopyMem (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) (DestinationAddress + Offset),\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) (SourceAddress + Offset),\r
- Bytes\r
- );\r
- }\r
- } else {\r
- SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);\r
- SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;\r
+ SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);\r
+ SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;\r
\r
//\r
// Read all the pixels in the 4 bit planes into a memory buffer that looks like the VGA buffer\r
SourceWidth,\r
Height\r
);\r
- }\r
\r
- break;\r
-\r
- case EfiBltVideoFill:\r
- StartAddress = (UINTN) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
- Bytes = ((DestinationX + Width - 1) >> 3) - (DestinationX >> 3);\r
- LeftMask = mVgaLeftMaskTable[DestinationX & 0x07];\r
- RightMask = mVgaRightMaskTable[(DestinationX + Width - 1) & 0x07];\r
- if (Bytes == 0) {\r
- LeftMask = (UINT8) (LeftMask & RightMask);\r
- RightMask = 0;\r
- }\r
-\r
- if (LeftMask == 0xff) {\r
- StartAddress--;\r
- Bytes++;\r
- LeftMask = 0;\r
- }\r
-\r
- if (RightMask == 0xff) {\r
- Bytes++;\r
- RightMask = 0;\r
- }\r
-\r
- PixelColor = VgaConvertColor (BltBuffer);\r
+ //\r
+ // Convert VGA Bit Planes to a Graphics Output 32-bit color value\r
+ //\r
+ BltBuffer += (DestinationY * (Delta >> 2) + DestinationX);\r
+ for (Rows = 0, CoordinateY = SourceY; Rows < Height; Rows++, CoordinateY++, BltBuffer += (Delta >> 2)) {\r
+ for (Columns = 0, CoordinateX = SourceX; Columns < Width; Columns++, CoordinateX++, BltBuffer++) {\r
+ VgaConvertToGraphicsOutputColor (VgaFrameBuffer, CoordinateX, CoordinateY, BltBuffer);\r
+ }\r
\r
- //\r
- // Program the Mode Register Write mode 2, Read mode 0\r
- //\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
- VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2\r
- );\r
+ BltBuffer -= Width;\r
+ }\r
\r
- //\r
- // Program the Data Rotate/Function Select Register to replace\r
- //\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,\r
- VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE\r
- );\r
+ break;\r
\r
- if (LeftMask != 0) {\r
+ case EfiBltVideoToVideo:\r
//\r
- // Program the BitMask register with the Left column mask\r
+ // Check for an aligned Video to Video operation\r
//\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
- LeftMask\r
- );\r
-\r
- for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {\r
+ if (((SourceX & 0x07) == 0x00) && ((DestinationX & 0x07) == 0x00) && ((Width & 0x07) == 0x00)) {\r
//\r
- // Read data from the bit planes into the latches\r
+ // Program the Mode Register Write mode 1, Read mode 0\r
//\r
- PciIo->Mem.Read (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address,\r
- 1,\r
- &Data\r
- );\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_1\r
+ );\r
+\r
+ SourceAddress = (UINT8 *)(MemAddress + (SourceY << 6) + (SourceY << 4) + (SourceX >> 3));\r
+ DestinationAddress = (UINT8 *)(MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
+ Bytes = Width >> 3;\r
+ for (Index = 0, Offset = 0; Index < Height; Index++, Offset += BytesPerScanLine) {\r
+ PciIo->CopyMem (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)(DestinationAddress + Offset),\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)(SourceAddress + Offset),\r
+ Bytes\r
+ );\r
+ }\r
+ } else {\r
+ SourceOffset = (SourceY << 6) + (SourceY << 4) + (SourceX >> 3);\r
+ SourceWidth = ((SourceX + Width - 1) >> 3) - (SourceX >> 3) + 1;\r
+\r
//\r
- // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask\r
+ // Read all the pixels in the 4 bit planes into a memory buffer that looks like the VGA buffer\r
//\r
- PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address,\r
- 1,\r
- &PixelColor\r
- );\r
+ VgaReadBitPlanes (\r
+ PciIo,\r
+ MemAddress + SourceOffset,\r
+ VgaFrameBuffer + SourceOffset,\r
+ SourceWidth,\r
+ Height\r
+ );\r
}\r
- }\r
\r
- if (Bytes > 1) {\r
+ break;\r
+\r
+ case EfiBltVideoFill:\r
+ StartAddress = (UINTN)(MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
+ Bytes = ((DestinationX + Width - 1) >> 3) - (DestinationX >> 3);\r
+ LeftMask = mVgaLeftMaskTable[DestinationX & 0x07];\r
+ RightMask = mVgaRightMaskTable[(DestinationX + Width - 1) & 0x07];\r
+ if (Bytes == 0) {\r
+ LeftMask = (UINT8)(LeftMask & RightMask);\r
+ RightMask = 0;\r
+ }\r
+\r
+ if (LeftMask == 0xff) {\r
+ StartAddress--;\r
+ Bytes++;\r
+ LeftMask = 0;\r
+ }\r
+\r
+ if (RightMask == 0xff) {\r
+ Bytes++;\r
+ RightMask = 0;\r
+ }\r
+\r
+ PixelColor = VgaConvertColor (BltBuffer);\r
+\r
//\r
- // Program the BitMask register with the middle column mask of 0xff\r
+ // Program the Mode Register Write mode 2, Read mode 0\r
//\r
WriteGraphicsController (\r
PciIo,\r
- VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
- 0xff\r
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2\r
);\r
\r
- for (Index = 0, Address = StartAddress + 1; Index < Height; Index++, Address += BytesPerScanLine) {\r
- PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthFillUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address,\r
- Bytes - 1,\r
- &PixelColor\r
- );\r
- }\r
- }\r
-\r
- if (RightMask != 0) {\r
//\r
- // Program the BitMask register with the Right column mask\r
+ // Program the Data Rotate/Function Select Register to replace\r
//\r
WriteGraphicsController (\r
PciIo,\r
- VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
- RightMask\r
+ VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,\r
+ VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE\r
);\r
\r
- for (Index = 0, Address = StartAddress + Bytes; Index < Height; Index++, Address += BytesPerScanLine) {\r
- //\r
- // Read data from the bit planes into the latches\r
- //\r
- PciIo->Mem.Read (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address,\r
- 1,\r
- &Data\r
- );\r
+ if (LeftMask != 0) {\r
//\r
- // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask\r
+ // Program the BitMask register with the Left column mask\r
//\r
- PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address,\r
- 1,\r
- &PixelColor\r
- );\r
- }\r
- }\r
- break;\r
-\r
- case EfiBltBufferToVideo:\r
- StartAddress = (UINTN) (MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
- LeftMask = mVgaBitMaskTable[DestinationX & 0x07];\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
+ LeftMask\r
+ );\r
\r
- //\r
- // Program the Mode Register Write mode 2, Read mode 0\r
- //\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
- VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2\r
- );\r
+ for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {\r
+ //\r
+ // Read data from the bit planes into the latches\r
+ //\r
+ PciIo->Mem.Read (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address,\r
+ 1,\r
+ &Data\r
+ );\r
+ //\r
+ // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask\r
+ //\r
+ PciIo->Mem.Write (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address,\r
+ 1,\r
+ &PixelColor\r
+ );\r
+ }\r
+ }\r
\r
- //\r
- // Program the Data Rotate/Function Select Register to replace\r
- //\r
- WriteGraphicsController (\r
- PciIo,\r
- VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,\r
- VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE\r
- );\r
+ if (Bytes > 1) {\r
+ //\r
+ // Program the BitMask register with the middle column mask of 0xff\r
+ //\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
+ 0xff\r
+ );\r
\r
- for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {\r
- for (Index1 = 0; Index1 < Width; Index1++) {\r
- BiosVideoPrivate->LineBuffer[Index1] = VgaConvertColor (&BltBuffer[(SourceY + Index) * (Delta >> 2) + SourceX + Index1]);\r
+ for (Index = 0, Address = StartAddress + 1; Index < Height; Index++, Address += BytesPerScanLine) {\r
+ PciIo->Mem.Write (\r
+ PciIo,\r
+ EfiPciIoWidthFillUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address,\r
+ Bytes - 1,\r
+ &PixelColor\r
+ );\r
+ }\r
}\r
- AddressFix = Address;\r
\r
- for (Bit = 0; Bit < 8; Bit++) {\r
+ if (RightMask != 0) {\r
//\r
- // Program the BitMask register with the Left column mask\r
+ // Program the BitMask register with the Right column mask\r
//\r
WriteGraphicsController (\r
PciIo,\r
VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
- LeftMask\r
+ RightMask\r
);\r
\r
- for (Index1 = Bit, Address1 = (UINT8 *) AddressFix; Index1 < Width; Index1 += 8, Address1++) {\r
+ for (Index = 0, Address = StartAddress + Bytes; Index < Height; Index++, Address += BytesPerScanLine) {\r
//\r
// Read data from the bit planes into the latches\r
//\r
PciIo->Mem.Read (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address1,\r
- 1,\r
- &Data\r
- );\r
-\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address,\r
+ 1,\r
+ &Data\r
+ );\r
+ //\r
+ // Write the lower 4 bits of PixelColor to the bit planes in the pixels enabled by BitMask\r
+ //\r
PciIo->Mem.Write (\r
- PciIo,\r
- EfiPciIoWidthUint8,\r
- EFI_PCI_IO_PASS_THROUGH_BAR,\r
- (UINT64) (UINTN) Address1,\r
- 1,\r
- &BiosVideoPrivate->LineBuffer[Index1]\r
- );\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address,\r
+ 1,\r
+ &PixelColor\r
+ );\r
}\r
+ }\r
+\r
+ break;\r
+\r
+ case EfiBltBufferToVideo:\r
+ StartAddress = (UINTN)(MemAddress + (DestinationY << 6) + (DestinationY << 4) + (DestinationX >> 3));\r
+ LeftMask = mVgaBitMaskTable[DestinationX & 0x07];\r
+\r
+ //\r
+ // Program the Mode Register Write mode 2, Read mode 0\r
+ //\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_MODE_REGISTER,\r
+ VGA_GRAPHICS_CONTROLLER_READ_MODE_0 | VGA_GRAPHICS_CONTROLLER_WRITE_MODE_2\r
+ );\r
+\r
+ //\r
+ // Program the Data Rotate/Function Select Register to replace\r
+ //\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_DATA_ROTATE_REGISTER,\r
+ VGA_GRAPHICS_CONTROLLER_FUNCTION_REPLACE\r
+ );\r
\r
- LeftMask = (UINT8) (LeftMask >> 1);\r
- if (LeftMask == 0) {\r
- LeftMask = 0x80;\r
- AddressFix++;\r
+ for (Index = 0, Address = StartAddress; Index < Height; Index++, Address += BytesPerScanLine) {\r
+ for (Index1 = 0; Index1 < Width; Index1++) {\r
+ BiosVideoPrivate->LineBuffer[Index1] = VgaConvertColor (&BltBuffer[(SourceY + Index) * (Delta >> 2) + SourceX + Index1]);\r
+ }\r
+\r
+ AddressFix = Address;\r
+\r
+ for (Bit = 0; Bit < 8; Bit++) {\r
+ //\r
+ // Program the BitMask register with the Left column mask\r
+ //\r
+ WriteGraphicsController (\r
+ PciIo,\r
+ VGA_GRAPHICS_CONTROLLER_BIT_MASK_REGISTER,\r
+ LeftMask\r
+ );\r
+\r
+ for (Index1 = Bit, Address1 = (UINT8 *)AddressFix; Index1 < Width; Index1 += 8, Address1++) {\r
+ //\r
+ // Read data from the bit planes into the latches\r
+ //\r
+ PciIo->Mem.Read (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address1,\r
+ 1,\r
+ &Data\r
+ );\r
+\r
+ PciIo->Mem.Write (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ EFI_PCI_IO_PASS_THROUGH_BAR,\r
+ (UINT64)(UINTN)Address1,\r
+ 1,\r
+ &BiosVideoPrivate->LineBuffer[Index1]\r
+ );\r
+ }\r
+\r
+ LeftMask = (UINT8)(LeftMask >> 1);\r
+ if (LeftMask == 0) {\r
+ LeftMask = 0x80;\r
+ AddressFix++;\r
+ }\r
}\r
}\r
- }\r
\r
- break;\r
+ break;\r
\r
- default: ;\r
+ default:;\r
}\r
\r
gBS->RestoreTPL (OriginalTPL);\r
IN UINTN ModeNumber\r
)\r
{\r
- BIOS_VIDEO_DEV *BiosVideoPrivate;\r
- EFI_IA32_REGISTER_SET Regs;\r
+ BIOS_VIDEO_DEV *BiosVideoPrivate;\r
+ EFI_IA32_REGISTER_SET Regs;\r
\r
if (This == NULL) {\r
return EFI_INVALID_PARAMETER;\r
if (ModeNumber >= This->MaxMode) {\r
return EFI_UNSUPPORTED;\r
}\r
+\r
//\r
// Get the device structure for this device\r
//\r
BiosVideoPrivate = BIOS_VIDEO_DEV_FROM_VGA_MINI_PORT_THIS (This);\r
\r
switch (ModeNumber) {\r
- case 0:\r
- //\r
- // Set the 80x25 Text VGA Mode\r
- //\r
- Regs.H.AH = 0x00;\r
- Regs.H.AL = 0x83;\r
- BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
+ case 0:\r
+ //\r
+ // Set the 80x25 Text VGA Mode\r
+ //\r
+ Regs.H.AH = 0x00;\r
+ Regs.H.AL = 0x83;\r
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
\r
- Regs.H.AH = 0x11;\r
- Regs.H.AL = 0x14;\r
- Regs.H.BL = 0;\r
- BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
- break;\r
+ Regs.H.AH = 0x11;\r
+ Regs.H.AL = 0x14;\r
+ Regs.H.BL = 0;\r
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
+ break;\r
\r
- case 1:\r
- //\r
- // Set the 80x50 Text VGA Mode\r
- //\r
- Regs.H.AH = 0x00;\r
- Regs.H.AL = 0x83;\r
- BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
- Regs.H.AH = 0x11;\r
- Regs.H.AL = 0x12;\r
- Regs.H.BL = 0;\r
- BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
- break;\r
+ case 1:\r
+ //\r
+ // Set the 80x50 Text VGA Mode\r
+ //\r
+ Regs.H.AH = 0x00;\r
+ Regs.H.AL = 0x83;\r
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
+ Regs.H.AH = 0x11;\r
+ Regs.H.AL = 0x12;\r
+ Regs.H.BL = 0;\r
+ BiosVideoPrivate->LegacyBios->Int86 (BiosVideoPrivate->LegacyBios, 0x10, &Regs);\r
+ break;\r
\r
- default:\r
- return EFI_UNSUPPORTED;\r
+ default:\r
+ return EFI_UNSUPPORTED;\r
}\r
\r
return EFI_SUCCESS;\r
VOID\r
EFIAPI\r
BiosVideoNotifyExitBootServices (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
+ IN EFI_EVENT Event,\r
+ IN VOID *Context\r
)\r
{\r
BIOS_VIDEO_DEV *BiosVideoPrivate;\r
EFI_IA32_REGISTER_SET Regs;\r
\r
- BiosVideoPrivate = (BIOS_VIDEO_DEV *)Context;\r
+ BiosVideoPrivate = (BIOS_VIDEO_DEV *)Context;\r
\r
//\r
// Set the 80x25 Text VGA Mode\r
**/\r
EFI_STATUS\r
EFIAPI\r
-BiosVideoEntryPoint(\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
+BiosVideoEntryPoint (\r
+ IN EFI_HANDLE ImageHandle,\r
+ IN EFI_SYSTEM_TABLE *SystemTable\r
)\r
{\r
EFI_STATUS Status;\r
projects / mirror_edk2.git / blobdiff