IntelFrameworkModulePkg: Add Compatibility Support Module (CSM) drivers
Added these drivers: * LegacyBiosDxe * BlockIoDxe * KeyboardDxe * Snp16Dxe * VideoDxe Signed-off-by: jljusten Reviewed-by: mdkinney Reviewed-by: geekboy15a git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11905 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
234
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacySio.c
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234
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacySio.c
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/** @file
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Collect Sio information from Native EFI Drivers.
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Sio is floppy, parallel, serial, ... hardware
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Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions
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of the BSD License which accompanies this distribution. The
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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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**/
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#include "LegacyBiosInterface.h"
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/**
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Collect EFI Info about legacy devices.
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@param Private Legacy BIOS Instance data
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@retval EFI_SUCCESS It should always work.
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**/
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EFI_STATUS
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LegacyBiosBuildSioData (
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IN LEGACY_BIOS_INSTANCE *Private
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)
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{
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EFI_STATUS Status;
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DEVICE_PRODUCER_DATA_HEADER *SioPtr;
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DEVICE_PRODUCER_SERIAL *Sio1Ptr;
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DEVICE_PRODUCER_PARALLEL *Sio2Ptr;
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DEVICE_PRODUCER_FLOPPY *Sio3Ptr;
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EFI_HANDLE IsaBusController;
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UINTN HandleCount;
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EFI_HANDLE *HandleBuffer;
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UINTN Index;
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UINTN ResourceIndex;
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UINTN ChildIndex;
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EFI_ISA_IO_PROTOCOL *IsaIo;
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EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;
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EFI_ISA_ACPI_RESOURCE *IoResource;
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EFI_ISA_ACPI_RESOURCE *DmaResource;
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EFI_ISA_ACPI_RESOURCE *InterruptResource;
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UINTN EntryCount;
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EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
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EFI_BLOCK_IO_PROTOCOL *BlockIo;
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//
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// Get the pointer to the SIO data structure
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//
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SioPtr = &Private->IntThunk->EfiToLegacy16BootTable.SioData;
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//
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// Zero the data in the SIO data structure
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//
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gBS->SetMem (SioPtr, sizeof (DEVICE_PRODUCER_DATA_HEADER), 0);
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//
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// Find the ISA Bus Controller used for legacy
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//
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Status = Private->LegacyBiosPlatform->GetPlatformHandle (
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Private->LegacyBiosPlatform,
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EfiGetPlatformIsaBusHandle,
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0,
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&HandleBuffer,
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&HandleCount,
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NULL
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);
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IsaBusController = HandleBuffer[0];
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if (!EFI_ERROR (Status)) {
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//
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// Force ISA Bus Controller to produce all ISA devices
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//
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gBS->ConnectController (IsaBusController, NULL, NULL, TRUE);
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}
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//
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// Get the list of ISA controllers in the system
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//
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Status = gBS->LocateHandleBuffer (
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ByProtocol,
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&gEfiIsaIoProtocolGuid,
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NULL,
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&HandleCount,
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&HandleBuffer
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);
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if (EFI_ERROR (Status)) {
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return EFI_SUCCESS;
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}
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//
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// Collect legacy information from each of the ISA controllers in the system
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//
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for (Index = 0; Index < HandleCount; Index++) {
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Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiIsaIoProtocolGuid, (VOID **) &IsaIo);
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if (EFI_ERROR (Status)) {
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continue;
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}
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ResourceList = IsaIo->ResourceList;
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if (ResourceList == NULL) {
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continue;
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}
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//
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// Collect the resource types neededto fill in the SIO data structure
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//
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IoResource = NULL;
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DmaResource = NULL;
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InterruptResource = NULL;
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for (ResourceIndex = 0;
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ResourceList->ResourceItem[ResourceIndex].Type != EfiIsaAcpiResourceEndOfList;
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ResourceIndex++
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) {
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switch (ResourceList->ResourceItem[ResourceIndex].Type) {
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case EfiIsaAcpiResourceIo:
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IoResource = &ResourceList->ResourceItem[ResourceIndex];
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break;
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case EfiIsaAcpiResourceMemory:
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break;
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case EfiIsaAcpiResourceDma:
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DmaResource = &ResourceList->ResourceItem[ResourceIndex];
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break;
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case EfiIsaAcpiResourceInterrupt:
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InterruptResource = &ResourceList->ResourceItem[ResourceIndex];
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break;
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default:
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break;
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}
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}
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//
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// See if this is an ISA serial port
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//
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// Ignore DMA resource since it is always returned NULL
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//
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if (ResourceList->Device.HID == EISA_PNP_ID (0x500) || ResourceList->Device.HID == EISA_PNP_ID (0x501)) {
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if (ResourceList->Device.UID <= 3 &&
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IoResource != NULL &&
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InterruptResource != NULL
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) {
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//
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// Get the handle of the child device that has opened the ISA I/O Protocol
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//
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Status = gBS->OpenProtocolInformation (
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HandleBuffer[Index],
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&gEfiIsaIoProtocolGuid,
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&OpenInfoBuffer,
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&EntryCount
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);
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if (EFI_ERROR (Status)) {
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continue;
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}
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//
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// We want resource for legacy even if no 32-bit driver installed
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//
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for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {
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Sio1Ptr = &SioPtr->Serial[ResourceList->Device.UID];
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Sio1Ptr->Address = (UINT16) IoResource->StartRange;
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Sio1Ptr->Irq = (UINT8) InterruptResource->StartRange;
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Sio1Ptr->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
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}
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FreePool (OpenInfoBuffer);
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}
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}
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//
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// See if this is an ISA parallel port
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//
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// Ignore DMA resource since it is always returned NULL, port
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// only used in output mode.
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//
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if (ResourceList->Device.HID == EISA_PNP_ID (0x400) || ResourceList->Device.HID == EISA_PNP_ID (0x401)) {
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if (ResourceList->Device.UID <= 2 &&
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IoResource != NULL &&
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InterruptResource != NULL &&
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DmaResource != NULL
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) {
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Sio2Ptr = &SioPtr->Parallel[ResourceList->Device.UID];
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Sio2Ptr->Address = (UINT16) IoResource->StartRange;
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Sio2Ptr->Irq = (UINT8) InterruptResource->StartRange;
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Sio2Ptr->Dma = (UINT8) DmaResource->StartRange;
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Sio2Ptr->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;
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}
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}
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//
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// See if this is an ISA floppy controller
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//
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if (ResourceList->Device.HID == EISA_PNP_ID (0x604)) {
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if (IoResource != NULL && InterruptResource != NULL && DmaResource != NULL) {
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Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);
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if (!EFI_ERROR (Status)) {
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Sio3Ptr = &SioPtr->Floppy;
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Sio3Ptr->Address = (UINT16) IoResource->StartRange;
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Sio3Ptr->Irq = (UINT8) InterruptResource->StartRange;
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Sio3Ptr->Dma = (UINT8) DmaResource->StartRange;
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Sio3Ptr->NumberOfFloppy++;
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}
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}
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}
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//
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// See if this is a mouse
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// Always set mouse found so USB hot plug will work
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//
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// Ignore lower byte of HID. Pnp0fxx is any type of mouse.
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//
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// Hid = ResourceList->Device.HID & 0xff00ffff;
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// PnpId = EISA_PNP_ID(0x0f00);
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// if (Hid == PnpId) {
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// if (ResourceList->Device.UID == 1) {
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// Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);
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// if (!EFI_ERROR (Status)) {
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//
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SioPtr->MousePresent = 0x01;
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//
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// }
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// }
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// }
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//
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}
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FreePool (HandleBuffer);
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return EFI_SUCCESS;
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}
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