Porting Duet module from EDKI to EDKII
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5076 6f19259b-4bc3-4df7-8a09-765794883524
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klu2
329
DuetPkg/IsaAcpiDxe/PcatIsaAcpi.c
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329
DuetPkg/IsaAcpiDxe/PcatIsaAcpi.c
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/*++
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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PcatIsaAcpi.c
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Abstract:
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EFI PCAT ISA ACPI Driver for a Generic PC Platform
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Revision History
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--*/
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#include "PcatIsaAcpi.h"
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//
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// PcatIsaAcpi Driver Binding Protocol
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//
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EFI_DRIVER_BINDING_PROTOCOL gPcatIsaAcpiDriverBinding = {
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PcatIsaAcpiDriverBindingSupported,
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PcatIsaAcpiDriverBindingStart,
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PcatIsaAcpiDriverBindingStop,
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0xa,
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NULL,
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NULL
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};
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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/*++
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Routine Description:
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the entry point of the PcatIsaAcpi driver
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Arguments:
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Returns:
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--*/
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{
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return EfiLibInstallDriverBindingComponentName2 (
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ImageHandle,
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SystemTable,
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&gPcatIsaAcpiDriverBinding,
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ImageHandle,
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&gPcatIsaAcpiComponentName,
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&gPcatIsaAcpiComponentName2
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);
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}
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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ControllerDriver Protocol Method
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Arguments:
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Returns:
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--*/
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{
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EFI_STATUS Status;
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EFI_PCI_IO_PROTOCOL *PciIo;
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PCI_TYPE00 Pci;
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//
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// Get PciIo protocol instance
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiPciIoProtocolGuid,
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&PciIo,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR(Status)) {
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return Status;
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}
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Status = PciIo->Pci.Read (
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PciIo,
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EfiPciIoWidthUint32,
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0,
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sizeof(Pci) / sizeof(UINT32),
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&Pci);
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if (!EFI_ERROR (Status)) {
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Status = EFI_UNSUPPORTED;
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if ((Pci.Hdr.Command & 0x03) == 0x03) {
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if (Pci.Hdr.ClassCode[2] == PCI_CLASS_BRIDGE) {
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//
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// See if this is a standard PCI to ISA Bridge from the Base Code and Class Code
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//
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if (Pci.Hdr.ClassCode[1] == PCI_CLASS_ISA) {
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Status = EFI_SUCCESS;
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}
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//
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// See if this is an Intel PCI to ISA bridge in Positive Decode Mode
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//
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if (Pci.Hdr.ClassCode[1] == PCI_CLASS_ISA_POSITIVE_DECODE &&
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Pci.Hdr.VendorId == 0x8086 &&
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Pci.Hdr.DeviceId == 0x7110) {
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Status = EFI_SUCCESS;
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}
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}
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}
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}
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gBS->CloseProtocol (
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Controller,
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&gEfiPciIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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return Status;
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}
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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/*++
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Routine Description:
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Install EFI_ISA_ACPI_PROTOCOL
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Arguments:
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Returns:
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--*/
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{
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EFI_STATUS Status;
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EFI_PCI_IO_PROTOCOL *PciIo;
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PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;
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PcatIsaAcpiDev = NULL;
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//
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// Open the PCI I/O Protocol Interface
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//
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PciIo = NULL;
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiPciIoProtocolGuid,
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&PciIo,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto Done;
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}
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Status = PciIo->Attributes (
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PciIo,
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EfiPciIoAttributeOperationEnable,
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EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,
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NULL
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);
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if (EFI_ERROR (Status)) {
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goto Done;
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}
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//
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// Allocate memory for the PCAT ISA ACPI Device structure
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//
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PcatIsaAcpiDev = NULL;
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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sizeof(PCAT_ISA_ACPI_DEV),
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&PcatIsaAcpiDev
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);
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if (EFI_ERROR (Status)) {
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goto Done;
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}
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//
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// Initialize the PCAT ISA ACPI Device structure
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//
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PcatIsaAcpiDev->Signature = PCAT_ISA_ACPI_DEV_SIGNATURE;
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PcatIsaAcpiDev->Handle = Controller;
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PcatIsaAcpiDev->PciIo = PciIo;
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//
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// IsaAcpi interface
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//
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(PcatIsaAcpiDev->IsaAcpi).DeviceEnumerate = IsaDeviceEnumerate;
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(PcatIsaAcpiDev->IsaAcpi).SetPower = IsaDeviceSetPower;
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(PcatIsaAcpiDev->IsaAcpi).GetCurResource = IsaGetCurrentResource;
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(PcatIsaAcpiDev->IsaAcpi).GetPosResource = IsaGetPossibleResource;
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(PcatIsaAcpiDev->IsaAcpi).SetResource = IsaSetResource;
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(PcatIsaAcpiDev->IsaAcpi).EnableDevice = IsaEnableDevice;
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(PcatIsaAcpiDev->IsaAcpi).InitDevice = IsaInitDevice;
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(PcatIsaAcpiDev->IsaAcpi).InterfaceInit = IsaInterfaceInit;
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//
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// Install the ISA ACPI Protocol interface
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//
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Status = gBS->InstallMultipleProtocolInterfaces (
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&Controller,
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&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi,
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NULL
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);
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Done:
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if (EFI_ERROR (Status)) {
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if (PciIo) {
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PciIo->Attributes (
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PciIo,
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EfiPciIoAttributeOperationDisable,
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EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,
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NULL
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);
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}
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gBS->CloseProtocol (
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Controller,
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&gEfiPciIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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if (PcatIsaAcpiDev != NULL) {
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gBS->FreePool (PcatIsaAcpiDev);
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}
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return Status;
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}
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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PcatIsaAcpiDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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)
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/*++
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Routine Description:
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Arguments:
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Returns:
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--*/
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{
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EFI_STATUS Status;
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EFI_ISA_ACPI_PROTOCOL *IsaAcpi;
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PCAT_ISA_ACPI_DEV *PcatIsaAcpiDev;
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//
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// Get the ISA ACPI Protocol Interface
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiIsaAcpiProtocolGuid,
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&IsaAcpi,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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//
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// Get the PCAT ISA ACPI Device structure from the ISA ACPI Protocol
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//
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PcatIsaAcpiDev = PCAT_ISA_ACPI_DEV_FROM_THIS (IsaAcpi);
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PcatIsaAcpiDev->PciIo->Attributes (
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PcatIsaAcpiDev->PciIo,
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EfiPciIoAttributeOperationDisable,
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EFI_PCI_DEVICE_ENABLE | EFI_PCI_IO_ATTRIBUTE_ISA_IO | EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO,
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NULL
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);
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//
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// Uninstall protocol interface: EFI_ISA_ACPI_PROTOCOL
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//
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Status = gBS->UninstallProtocolInterface (
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Controller,
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&gEfiIsaAcpiProtocolGuid, &PcatIsaAcpiDev->IsaAcpi
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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gBS->CloseProtocol (
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Controller,
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&gEfiPciIoProtocolGuid,
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This->DriverBindingHandle,
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Controller
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);
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gBS->FreePool (PcatIsaAcpiDev);
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return EFI_SUCCESS;
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}
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