diff options
Diffstat (limited to 'Vlv2TbltDevicePkg/Wpce791/LpcDriver.c')
| -rw-r--r-- | Vlv2TbltDevicePkg/Wpce791/LpcDriver.c | 340 |
1 files changed, 0 insertions, 340 deletions
diff --git a/Vlv2TbltDevicePkg/Wpce791/LpcDriver.c b/Vlv2TbltDevicePkg/Wpce791/LpcDriver.c deleted file mode 100644 index f982657..0000000 --- a/Vlv2TbltDevicePkg/Wpce791/LpcDriver.c +++ /dev/null @@ -1,340 +0,0 @@ -/** @file
-
- Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
-
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-
-
-
-Module Name:
-
- LpcDriver.c
-
-Abstract:
-
- EFI Lpc Driver for a Generic PC Platform
-
-
-
---*/
-
-#include "LpcDriver.h"
-#include "IndustryStandard/Pci22.h"
-
-//
-// This driver is for ACPI(PNP0A03,0)/PCI(0x1f,0)
-//
-
-//
-// Lpc Driver Global Variables
-//
-
-EFI_DRIVER_BINDING_PROTOCOL gLpcDriver = {
- LpcDriverSupported,
- LpcDriverStart,
- LpcDriverStop,
- 0x10,
- NULL,
- NULL
-};
-
-LPC_DEV mLpc = {
- LPC_DEV_SIGNATURE,
- NULL,
- {
- IsaDeviceEnumerate,
- IsaDeviceSetPower,
- IsaGetCurrentResource,
- IsaGetPossibleResource,
- IsaSetResource,
- IsaEnableDevice,
- IsaInitDevice,
- LpcInterfaceInit
- },
- NULL
-};
-
-BOOLEAN InitExecuted = FALSE;
-
-/**
- the entry point of the Lpc driver
-
-**/
-EFI_STATUS
-EFIAPI
-LpcDriverEntryPoint(
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
-
-
- return EfiLibInstallDriverBinding (ImageHandle, SystemTable, &gLpcDriver, ImageHandle);
-}
-
-/**
-
- ControllerDriver Protocol Method
-
-**/
-EFI_STATUS
-EFIAPI
-LpcDriverSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_DEVICE_PATH_PROTOCOL *IsaBridgeDevicePath;
-
- ACPI_HID_DEVICE_PATH *AcpiNode;
- PCI_DEVICE_PATH *PciNode;
- PCI_TYPE00 Pci;
-
- //
- // Get the ISA bridge's Device Path and test it
- // the following code is specific
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **)&IsaBridgeDevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- Status = EFI_SUCCESS;
- AcpiNode = (ACPI_HID_DEVICE_PATH *)IsaBridgeDevicePath;
- if (AcpiNode->Header.Type != ACPI_DEVICE_PATH ||
- AcpiNode->Header.SubType != ACPI_DP ||
- DevicePathNodeLength (&AcpiNode->Header) != sizeof(ACPI_HID_DEVICE_PATH) ||
- AcpiNode -> HID != EISA_PNP_ID(0x0A03) ||
- AcpiNode -> UID != 0 ) {
- Status = EFI_UNSUPPORTED;
- } else {
- //
- // Get the next node
- //
- IsaBridgeDevicePath = NextDevicePathNode (IsaBridgeDevicePath);
- PciNode = (PCI_DEVICE_PATH *)IsaBridgeDevicePath;
- if (PciNode->Header.Type != HARDWARE_DEVICE_PATH ||
- PciNode->Header.SubType != HW_PCI_DP ||
- DevicePathNodeLength (&PciNode->Header) != sizeof (PCI_DEVICE_PATH) ||
- PciNode -> Function != 0x00 ||
- PciNode -> Device != 0x1f ) {
- Status = EFI_UNSUPPORTED;
- }
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- if (EFI_ERROR (Status)) {
- return EFI_UNSUPPORTED;
- }
-
- //
- // Get PciIo protocol instance
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **)&PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR(Status)) {
- return Status;
- }
-
- Status = PciIo->Pci.Read (
- PciIo,
- EfiPciIoWidthUint32,
- 0,
- sizeof(Pci) / sizeof(UINT32),
- &Pci
- );
-
- if (!EFI_ERROR (Status)) {
- Status = EFI_SUCCESS; //TODO: force return success as temp solution EFI_UNSUPPORTED;
- if ((Pci.Hdr.Command & 0x03) == 0x03) {
- if (Pci.Hdr.ClassCode[2] == PCI_CLASS_BRIDGE) {
- //
- // See if this is a standard PCI to ISA Bridge from the Base Code
- // and Class Code
- //
- if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA) {
- Status = EFI_SUCCESS;
- } else {
- }
-
- //
- // See if this is an Intel PCI to ISA bridge in Positive Decode Mode
- //
- if (Pci.Hdr.ClassCode[1] == PCI_CLASS_BRIDGE_ISA_PDECODE &&
- Pci.Hdr.VendorId == 0x8086 &&
- Pci.Hdr.DeviceId == 0x7110) {
- Status = EFI_SUCCESS;
- } else {
- }
- } else {
- }
- }
- else {
- }
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- return Status;
-}
-
-
-/**
- Install EFI_ISA_ACPI_PROTOCOL
-
-**/
-EFI_STATUS
-EFIAPI
-LpcDriverStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
-
- //
- // Get Pci IO
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **)&PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
-
- if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {
- return Status;
- }
-
- mLpc.PciIo = PciIo;
-
- //
- // Install IsaAcpi interface, the Sio interface is not installed!
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Controller,
- &gEfiIsaAcpiProtocolGuid,
- &mLpc.IsaAcpi,
- NULL
- );
- return Status;
-}
-
-
-EFI_STATUS
-EFIAPI
-LpcDriverStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- EFI_ISA_ACPI_PROTOCOL *IsaAcpi;
- LPC_DEV *LpcDev;
-
- //
- // Get EFI_ISA_ACPI_PROTOCOL interface
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiIsaAcpiProtocolGuid,
- (VOID **)&IsaAcpi,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- LpcDev = LPC_ISA_ACPI_FROM_THIS (IsaAcpi);
-
- //
- // Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL
- //
- Status = gBS->UninstallProtocolInterface (
- Controller,
- &gEfiIsaAcpiProtocolGuid,
- &LpcDev->IsaAcpi
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return EFI_SUCCESS;
-}
-
-VOID
-LpcIoRead8 (
- IN UINT16 Port,
- OUT UINT8 *Data
- )
-{
- mLpc.PciIo->Io.Read(
- mLpc.PciIo,
- EfiPciWidthUint8,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Port,
- 1,
- Data
- );
-}
-
-VOID
-LpcIoWrite8 (
- IN UINT16 Port,
- IN UINT8 Data
- )
-{
- mLpc.PciIo->Io.Write(
- mLpc.PciIo,
- EfiPciWidthUint8,
- EFI_PCI_IO_PASS_THROUGH_BAR,
- Port,
- 1,
- &Data
- );
-}
-
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