diff options
Diffstat (limited to 'PcAtChipsetPkg/IsaAcpiDxe/PcatIsaAcpi.c')
| -rw-r--r-- | PcAtChipsetPkg/IsaAcpiDxe/PcatIsaAcpi.c | 386 |
1 files changed, 0 insertions, 386 deletions
diff --git a/PcAtChipsetPkg/IsaAcpiDxe/PcatIsaAcpi.c b/PcAtChipsetPkg/IsaAcpiDxe/PcatIsaAcpi.c deleted file mode 100644 index 035bfaf0f1..0000000000 --- a/PcAtChipsetPkg/IsaAcpiDxe/PcatIsaAcpi.c +++ /dev/null @@ -1,386 +0,0 @@ -/** @file
- EFI PCAT ISA ACPI Driver for a Generic PC Platform
-
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-#include "PcatIsaAcpi.h"
-
-//
-// PcatIsaAcpi Driver Binding Protocol
-//
-EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding = {
- PcatIsaAcpiDriverBindingSupported,
- PcatIsaAcpiDriverBindingStart,
- PcatIsaAcpiDriverBindingStop,
- 0xa,
- NULL,
- NULL
-};
-
-/**
- the entry point of the PcatIsaAcpi driver.
-
- @param ImageHandle Handle for driver image
- @param SystemTable Point to EFI_SYSTEM_TABLE
-
- @return Success or not for installing driver binding protocol
-**/
-EFI_STATUS
-EFIAPI
-PcatIsaAcpiDriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- return EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gPcatIsaAcpiDriverBinding,
- ImageHandle,
- &gPcatIsaAcpiComponentName,
- &gPcatIsaAcpiComponentName2
- );
-}
-
-/**
- ControllerDriver Protocol Method
-
- @param This Driver Binding protocol instance pointer.
- @param Controller Handle of device to test.
- @param RemainingDevicePath Optional parameter use to pick a specific child
- device to start.
- @retval EFI_SUCCESS This driver supports this device.
- @retval other This driver does not support this device.
-
-**/
-EFI_STATUS
-EFIAPI
-PcatIsaAcpiDriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- PCI_TYPE00 Pci;
- UINTN SegmentNumber;
- UINTN BusNumber;
- UINTN DeviceNumber;
- UINTN FunctionNumber;
-
- //
- // 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_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;
- }
-
- //
- // 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 ) {
- //
- // See if this is on Function #0 to avoid false positives on
- // PCI_CLASS_BRIDGE_OTHER that has the same value as
- // PCI_CLASS_BRIDGE_ISA_PDECODE
- //
- Status = PciIo->GetLocation (
- PciIo,
- &SegmentNumber,
- &BusNumber,
- &DeviceNumber,
- &FunctionNumber
- );
- if (!EFI_ERROR (Status) && FunctionNumber == 0) {
- Status = EFI_SUCCESS;
- } else {
- Status = EFI_UNSUPPORTED;
- }
- }
- }
- }
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return Status;
-}
-
-/**
- Install EFI_ISA_ACPI_PROTOCOL.
-
- @param This Driver Binding protocol instance pointer.
- @param ControllerHandle Handle of device to bind driver to.
- @param RemainingDevicePath Optional parameter use to pick a specific child
- device to start.
-
- @retval EFI_SUCCESS This driver is added to ControllerHandle
- @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
- @retval other This driver does not support this device
-**/
-EFI_STATUS
-EFIAPI
-PcatIsaAcpiDriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;
- UINT64 Supports;
- UINT64 OriginalAttributes;
- BOOLEAN Enabled;
-
- Enabled = FALSE;
- Supports = 0;
- PcatIsaAcpiDev = NULL;
- OriginalAttributes = 0;
- //
- // Open the PCI I/O Protocol Interface
- //
- PciIo = NULL;
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID**)&PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- //
- // Get supported PCI attributes
- //
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSupported,
- 0,
- &Supports
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Supports &= (UINT64) (EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_IO_16);
- if (Supports == 0 || Supports == (EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_IO_16)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationGet,
- 0,
- &OriginalAttributes
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationEnable,
- EFI_PCI_DEVICE_ENABLE | Supports | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Enabled = TRUE;
- //
- // Allocate memory for the PCAT ISA ACPI Device structure
- //
- PcatIsaAcpiDev = NULL;
- Status = gBS->AllocatePool (
- EfiBootServicesData,
- sizeof(PCAT_ISA_ACPI_DEV),
- (VOID**)&PcatIsaAcpiDev
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- //
- // Initialize the PCAT ISA ACPI Device structure
- //
- PcatIsaAcpiDev->Signature = PCAT_ISA_ACPI_DEV_SIGNATURE;
- PcatIsaAcpiDev->Handle = Controller;
- PcatIsaAcpiDev->PciIo = PciIo;
- PcatIsaAcpiDev->OriginalAttributes = OriginalAttributes;
-
- //
- // Initialize PcatIsaAcpiDeviceList
- //
- InitializePcatIsaAcpiDeviceList ();
-
- //
- // IsaAcpi interface
- //
- (PcatIsaAcpiDev->IsaAcpi).DeviceEnumerate = IsaDeviceEnumerate;
- (PcatIsaAcpiDev->IsaAcpi).SetPower = IsaDeviceSetPower;
- (PcatIsaAcpiDev->IsaAcpi).GetCurResource = IsaGetCurrentResource;
- (PcatIsaAcpiDev->IsaAcpi).GetPosResource = IsaGetPossibleResource;
- (PcatIsaAcpiDev->IsaAcpi).SetResource = IsaSetResource;
- (PcatIsaAcpiDev->IsaAcpi).EnableDevice = IsaEnableDevice;
- (PcatIsaAcpiDev->IsaAcpi).InitDevice = IsaInitDevice;
- (PcatIsaAcpiDev->IsaAcpi).InterfaceInit = IsaInterfaceInit;
-
- //
- // Install the ISA ACPI Protocol interface
- //
- Status = gBS->InstallMultipleProtocolInterfaces (
- &Controller,
- &gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi,
- NULL
- );
-
-Done:
- if (EFI_ERROR (Status)) {
- if (PciIo != NULL && Enabled) {
- PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSet,
- OriginalAttributes,
- NULL
- );
- }
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- if (PcatIsaAcpiDev != NULL) {
- gBS->FreePool (PcatIsaAcpiDev);
- }
- return Status;
- }
-
- return EFI_SUCCESS;
-}
-
-
-/**
- Stop this driver on ControllerHandle. Support stopping any child handles
- created by this driver.
-
- @param This Protocol instance pointer.
- @param ControllerHandle Handle of device to stop driver on
- @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
- children is zero stop the entire bus driver.
- @param ChildHandleBuffer List of Child Handles to Stop.
-
- @retval EFI_SUCCESS This driver is removed ControllerHandle
- @retval other This driver was not removed from this device
-
-**/
-EFI_STATUS
-EFIAPI
-PcatIsaAcpiDriverBindingStop (
- 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;
- PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;
-
- //
- // Get the 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;
- }
-
- //
- // Get the PCAT ISA ACPI Device structure from the ISA ACPI Protocol
- //
- PcatIsaAcpiDev = PCAT_ISA_ACPI_DEV_FROM_THIS (IsaAcpi);
-
- //
- // Restore PCI attributes
- //
- Status = PcatIsaAcpiDev->PciIo->Attributes (
- PcatIsaAcpiDev->PciIo,
- EfiPciIoAttributeOperationSet,
- PcatIsaAcpiDev->OriginalAttributes,
- NULL
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- //
- // Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL
- //
- Status = gBS->UninstallProtocolInterface (
- Controller,
- &gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- gBS->FreePool (PcatIsaAcpiDev);
-
- return EFI_SUCCESS;
-}
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