+++ /dev/null
-/** @file\r
- Collect Sio information from Native EFI Drivers.\r
- Sio is floppy, parallel, serial, ... hardware\r
-\r
-Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r
-\r
-SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
-**/\r
-\r
-#include "LegacyBiosInterface.h"\r
-\r
-/**\r
- Collect EFI Info about legacy devices through Super IO interface.\r
-\r
- @param SioPtr Pointer to SIO data.\r
-\r
- @retval EFI_SUCCESS When SIO data is got successfully.\r
- @retval EFI_NOT_FOUND When ISA IO interface is absent.\r
-\r
-**/\r
-EFI_STATUS\r
-LegacyBiosBuildSioDataFromSio (\r
- IN DEVICE_PRODUCER_DATA_HEADER *SioPtr\r
- )\r
-{\r
- EFI_STATUS Status;\r
- DEVICE_PRODUCER_SERIAL *SioSerial;\r
- DEVICE_PRODUCER_PARALLEL *SioParallel;\r
- DEVICE_PRODUCER_FLOPPY *SioFloppy;\r
- UINTN HandleCount;\r
- EFI_HANDLE *HandleBuffer;\r
- UINTN Index;\r
- UINTN ChildIndex;\r
- EFI_SIO_PROTOCOL *Sio;\r
- ACPI_RESOURCE_HEADER_PTR Resources;\r
- EFI_ACPI_IO_PORT_DESCRIPTOR *IoResource;\r
- EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *FixedIoResource;\r
- EFI_ACPI_DMA_DESCRIPTOR *DmaResource;\r
- EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *IrqResource;\r
- UINT16 Address;\r
- UINT8 Dma;\r
- UINT8 Irq;\r
- UINTN EntryCount;\r
- EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;\r
- EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
- EFI_SERIAL_IO_PROTOCOL *SerialIo;\r
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r
- ACPI_HID_DEVICE_PATH *Acpi;\r
-\r
- //\r
- // Get the list of ISA controllers in the system\r
- //\r
- Status = gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiSioProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &HandleBuffer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Collect legacy information from each of the ISA controllers in the system\r
- //\r
- for (Index = 0; Index < HandleCount; Index++) {\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSioProtocolGuid, (VOID **) &Sio);\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
-\r
- Address = MAX_UINT16;\r
- Dma = MAX_UINT8;\r
- Irq = MAX_UINT8;\r
- Status = Sio->GetResources (Sio, &Resources);\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Get the base address information from ACPI resource descriptor.\r
- //\r
- while (Resources.SmallHeader->Byte != ACPI_END_TAG_DESCRIPTOR) {\r
- switch (Resources.SmallHeader->Byte) {\r
- case ACPI_IO_PORT_DESCRIPTOR:\r
- IoResource = (EFI_ACPI_IO_PORT_DESCRIPTOR *) Resources.SmallHeader;\r
- Address = IoResource->BaseAddressMin;\r
- break;\r
-\r
- case ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR:\r
- FixedIoResource = (EFI_ACPI_FIXED_LOCATION_IO_PORT_DESCRIPTOR *) Resources.SmallHeader;\r
- Address = FixedIoResource->BaseAddress;\r
- break;\r
-\r
- case ACPI_DMA_DESCRIPTOR:\r
- DmaResource = (EFI_ACPI_DMA_DESCRIPTOR *) Resources.SmallHeader;\r
- Dma = (UINT8) LowBitSet32 (DmaResource->ChannelMask);\r
- break;\r
-\r
- case ACPI_IRQ_DESCRIPTOR:\r
- case ACPI_IRQ_NOFLAG_DESCRIPTOR:\r
- IrqResource = (EFI_ACPI_IRQ_NOFLAG_DESCRIPTOR *) Resources.SmallHeader;\r
- Irq = (UINT8) LowBitSet32 (IrqResource->Mask);\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
-\r
- if (Resources.SmallHeader->Bits.Type == 0) {\r
- Resources.SmallHeader = (ACPI_SMALL_RESOURCE_HEADER *) ((UINT8 *) Resources.SmallHeader\r
- + Resources.SmallHeader->Bits.Length\r
- + sizeof (*Resources.SmallHeader));\r
- } else {\r
- Resources.LargeHeader = (ACPI_LARGE_RESOURCE_HEADER *) ((UINT8 *) Resources.LargeHeader\r
- + Resources.LargeHeader->Length\r
- + sizeof (*Resources.LargeHeader));\r
- }\r
- }\r
- }\r
-\r
- DEBUG ((EFI_D_INFO, "LegacySio: Address/Dma/Irq = %x/%d/%d\n", Address, Dma, Irq));\r
-\r
- DevicePath = DevicePathFromHandle (HandleBuffer[Index]);\r
- if (DevicePath == NULL) {\r
- continue;\r
- }\r
-\r
- Acpi = NULL;\r
- while (!IsDevicePathEnd (DevicePath)) {\r
- Acpi = (ACPI_HID_DEVICE_PATH *) DevicePath;\r
- DevicePath = NextDevicePathNode (DevicePath);\r
- }\r
-\r
- if ((Acpi == NULL) || (DevicePathType (Acpi) != ACPI_DEVICE_PATH) ||\r
- ((DevicePathSubType (Acpi) != ACPI_DP) && (DevicePathSubType (Acpi) != ACPI_EXTENDED_DP))\r
- ) {\r
- continue;\r
- }\r
-\r
- //\r
- // See if this is an ISA serial port\r
- //\r
- // Ignore DMA resource since it is always returned NULL\r
- //\r
- if (Acpi->HID == EISA_PNP_ID (0x500) || Acpi->HID == EISA_PNP_ID (0x501)) {\r
-\r
- if (Acpi->UID < 4 && Address != MAX_UINT16 && Irq != MAX_UINT8) {\r
- //\r
- // Get the handle of the child device that has opened the Super I/O Protocol\r
- //\r
- Status = gBS->OpenProtocolInformation (\r
- HandleBuffer[Index],\r
- &gEfiSioProtocolGuid,\r
- &OpenInfoBuffer,\r
- &EntryCount\r
- );\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
- for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {\r
- if ((OpenInfoBuffer[ChildIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {\r
- Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **) &SerialIo);\r
- if (!EFI_ERROR (Status)) {\r
- SioSerial = &SioPtr->Serial[Acpi->UID];\r
- SioSerial->Address = Address;\r
- SioSerial->Irq = Irq;\r
- SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;\r
- break;\r
- }\r
- }\r
- }\r
-\r
- FreePool (OpenInfoBuffer);\r
- }\r
- }\r
- //\r
- // See if this is an ISA parallel port\r
- //\r
- // Ignore DMA resource since it is always returned NULL, port\r
- // only used in output mode.\r
- //\r
- if (Acpi->HID == EISA_PNP_ID (0x400) || Acpi->HID == EISA_PNP_ID (0x401)) {\r
- if (Acpi->UID < 3 && Address != MAX_UINT16 && Irq != MAX_UINT8 && Dma != MAX_UINT8) {\r
- SioParallel = &SioPtr->Parallel[Acpi->UID];\r
- SioParallel->Address = Address;\r
- SioParallel->Irq = Irq;\r
- SioParallel->Dma = Dma;\r
- SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;\r
- }\r
- }\r
- //\r
- // See if this is an ISA floppy controller\r
- //\r
- if (Acpi->HID == EISA_PNP_ID (0x604)) {\r
- if (Address != MAX_UINT16 && Irq != MAX_UINT8 && Dma != MAX_UINT8) {\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r
- if (!EFI_ERROR (Status)) {\r
- SioFloppy = &SioPtr->Floppy;\r
- SioFloppy->Address = Address;\r
- SioFloppy->Irq = Irq;\r
- SioFloppy->Dma = Dma;\r
- SioFloppy->NumberOfFloppy++;\r
- }\r
- }\r
- }\r
- //\r
- // See if this is a mouse\r
- // Always set mouse found so USB hot plug will work\r
- //\r
- // Ignore lower byte of HID. Pnp0fxx is any type of mouse.\r
- //\r
- // Hid = ResourceList->Device.HID & 0xff00ffff;\r
- // PnpId = EISA_PNP_ID(0x0f00);\r
- // if (Hid == PnpId) {\r
- // if (ResourceList->Device.UID == 1) {\r
- // Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);\r
- // if (!EFI_ERROR (Status)) {\r
- //\r
- SioPtr->MousePresent = 0x01;\r
- //\r
- // }\r
- // }\r
- // }\r
- //\r
- }\r
-\r
- FreePool (HandleBuffer);\r
- return EFI_SUCCESS;\r
-\r
-}\r
-\r
-/**\r
- Collect EFI Info about legacy devices through ISA IO interface.\r
-\r
- @param SioPtr Pointer to SIO data.\r
-\r
- @retval EFI_SUCCESS When SIO data is got successfully.\r
- @retval EFI_NOT_FOUND When ISA IO interface is absent.\r
-\r
-**/\r
-EFI_STATUS\r
-LegacyBiosBuildSioDataFromIsaIo (\r
- IN DEVICE_PRODUCER_DATA_HEADER *SioPtr\r
- )\r
-{\r
- EFI_STATUS Status;\r
- DEVICE_PRODUCER_SERIAL *SioSerial;\r
- DEVICE_PRODUCER_PARALLEL *SioParallel;\r
- DEVICE_PRODUCER_FLOPPY *SioFloppy;\r
- UINTN HandleCount;\r
- EFI_HANDLE *HandleBuffer;\r
- UINTN Index;\r
- UINTN ResourceIndex;\r
- UINTN ChildIndex;\r
- EFI_ISA_IO_PROTOCOL *IsaIo;\r
- EFI_ISA_ACPI_RESOURCE_LIST *ResourceList;\r
- EFI_ISA_ACPI_RESOURCE *IoResource;\r
- EFI_ISA_ACPI_RESOURCE *DmaResource;\r
- EFI_ISA_ACPI_RESOURCE *InterruptResource;\r
- UINTN EntryCount;\r
- EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;\r
- EFI_BLOCK_IO_PROTOCOL *BlockIo;\r
- EFI_SERIAL_IO_PROTOCOL *SerialIo;\r
-\r
- //\r
- // Get the list of ISA controllers in the system\r
- //\r
- Status = gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiIsaIoProtocolGuid,\r
- NULL,\r
- &HandleCount,\r
- &HandleBuffer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Collect legacy information from each of the ISA controllers in the system\r
- //\r
- for (Index = 0; Index < HandleCount; Index++) {\r
-\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiIsaIoProtocolGuid, (VOID **) &IsaIo);\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
-\r
- ResourceList = IsaIo->ResourceList;\r
-\r
- if (ResourceList == NULL) {\r
- continue;\r
- }\r
- //\r
- // Collect the resource types neededto fill in the SIO data structure\r
- //\r
- IoResource = NULL;\r
- DmaResource = NULL;\r
- InterruptResource = NULL;\r
- for (ResourceIndex = 0;\r
- ResourceList->ResourceItem[ResourceIndex].Type != EfiIsaAcpiResourceEndOfList;\r
- ResourceIndex++\r
- ) {\r
- switch (ResourceList->ResourceItem[ResourceIndex].Type) {\r
- case EfiIsaAcpiResourceIo:\r
- IoResource = &ResourceList->ResourceItem[ResourceIndex];\r
- break;\r
-\r
- case EfiIsaAcpiResourceMemory:\r
- break;\r
-\r
- case EfiIsaAcpiResourceDma:\r
- DmaResource = &ResourceList->ResourceItem[ResourceIndex];\r
- break;\r
-\r
- case EfiIsaAcpiResourceInterrupt:\r
- InterruptResource = &ResourceList->ResourceItem[ResourceIndex];\r
- break;\r
-\r
- default:\r
- break;\r
- }\r
- }\r
- //\r
- // See if this is an ISA serial port\r
- //\r
- // Ignore DMA resource since it is always returned NULL\r
- //\r
- if (ResourceList->Device.HID == EISA_PNP_ID (0x500) || ResourceList->Device.HID == EISA_PNP_ID (0x501)) {\r
-\r
- if (ResourceList->Device.UID <= 3 &&\r
- IoResource != NULL &&\r
- InterruptResource != NULL\r
- ) {\r
- //\r
- // Get the handle of the child device that has opened the ISA I/O Protocol\r
- //\r
- Status = gBS->OpenProtocolInformation (\r
- HandleBuffer[Index],\r
- &gEfiIsaIoProtocolGuid,\r
- &OpenInfoBuffer,\r
- &EntryCount\r
- );\r
- if (EFI_ERROR (Status)) {\r
- continue;\r
- }\r
- //\r
- // We want resource for legacy even if no 32-bit driver installed\r
- //\r
- for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {\r
- if ((OpenInfoBuffer[ChildIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {\r
- Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].ControllerHandle, &gEfiSerialIoProtocolGuid, (VOID **) &SerialIo);\r
- if (!EFI_ERROR (Status)) {\r
- SioSerial = &SioPtr->Serial[ResourceList->Device.UID];\r
- SioSerial->Address = (UINT16) IoResource->StartRange;\r
- SioSerial->Irq = (UINT8) InterruptResource->StartRange;\r
- SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;\r
- break;\r
- }\r
- }\r
- }\r
-\r
- FreePool (OpenInfoBuffer);\r
- }\r
- }\r
- //\r
- // See if this is an ISA parallel port\r
- //\r
- // Ignore DMA resource since it is always returned NULL, port\r
- // only used in output mode.\r
- //\r
- if (ResourceList->Device.HID == EISA_PNP_ID (0x400) || ResourceList->Device.HID == EISA_PNP_ID (0x401)) {\r
- if (ResourceList->Device.UID <= 2 &&\r
- IoResource != NULL &&\r
- InterruptResource != NULL &&\r
- DmaResource != NULL\r
- ) {\r
- SioParallel = &SioPtr->Parallel[ResourceList->Device.UID];\r
- SioParallel->Address = (UINT16) IoResource->StartRange;\r
- SioParallel->Irq = (UINT8) InterruptResource->StartRange;\r
- SioParallel->Dma = (UINT8) DmaResource->StartRange;\r
- SioParallel->Mode = DEVICE_PARALLEL_MODE_MODE_OUTPUT_ONLY;\r
- }\r
- }\r
- //\r
- // See if this is an ISA floppy controller\r
- //\r
- if (ResourceList->Device.HID == EISA_PNP_ID (0x604)) {\r
- if (IoResource != NULL && InterruptResource != NULL && DmaResource != NULL) {\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiBlockIoProtocolGuid, (VOID **) &BlockIo);\r
- if (!EFI_ERROR (Status)) {\r
- SioFloppy = &SioPtr->Floppy;\r
- SioFloppy->Address = (UINT16) IoResource->StartRange;\r
- SioFloppy->Irq = (UINT8) InterruptResource->StartRange;\r
- SioFloppy->Dma = (UINT8) DmaResource->StartRange;\r
- SioFloppy->NumberOfFloppy++;\r
- }\r
- }\r
- }\r
- //\r
- // See if this is a mouse\r
- // Always set mouse found so USB hot plug will work\r
- //\r
- // Ignore lower byte of HID. Pnp0fxx is any type of mouse.\r
- //\r
- // Hid = ResourceList->Device.HID & 0xff00ffff;\r
- // PnpId = EISA_PNP_ID(0x0f00);\r
- // if (Hid == PnpId) {\r
- // if (ResourceList->Device.UID == 1) {\r
- // Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiSimplePointerProtocolGuid, &SimplePointer);\r
- // if (!EFI_ERROR (Status)) {\r
- //\r
- SioPtr->MousePresent = 0x01;\r
- //\r
- // }\r
- // }\r
- // }\r
- //\r
- }\r
-\r
- FreePool (HandleBuffer);\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- Collect EFI Info about legacy devices.\r
-\r
- @param Private Legacy BIOS Instance data\r
-\r
- @retval EFI_SUCCESS It should always work.\r
-\r
-**/\r
-EFI_STATUS\r
-LegacyBiosBuildSioData (\r
- IN LEGACY_BIOS_INSTANCE *Private\r
- )\r
-{\r
- EFI_STATUS Status;\r
- DEVICE_PRODUCER_DATA_HEADER *SioPtr;\r
- EFI_HANDLE IsaBusController;\r
- UINTN HandleCount;\r
- EFI_HANDLE *HandleBuffer;\r
-\r
- //\r
- // Get the pointer to the SIO data structure\r
- //\r
- SioPtr = &Private->IntThunk->EfiToLegacy16BootTable.SioData;\r
-\r
- //\r
- // Zero the data in the SIO data structure\r
- //\r
- gBS->SetMem (SioPtr, sizeof (DEVICE_PRODUCER_DATA_HEADER), 0);\r
-\r
- //\r
- // Find the ISA Bus Controller used for legacy\r
- //\r
- Status = Private->LegacyBiosPlatform->GetPlatformHandle (\r
- Private->LegacyBiosPlatform,\r
- EfiGetPlatformIsaBusHandle,\r
- 0,\r
- &HandleBuffer,\r
- &HandleCount,\r
- NULL\r
- );\r
- IsaBusController = HandleBuffer[0];\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Force ISA Bus Controller to produce all ISA devices\r
- //\r
- gBS->ConnectController (IsaBusController, NULL, NULL, TRUE);\r
- }\r
-\r
- Status = LegacyBiosBuildSioDataFromIsaIo (SioPtr);\r
- if (EFI_ERROR (Status)) {\r
- LegacyBiosBuildSioDataFromSio (SioPtr);\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
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