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130 lines
3.3 KiB
C
130 lines
3.3 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: PCI IDE bus driver
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* FILE: drivers/storage/pciide/pciide.c
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* PURPOSE: Main file
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* PROGRAMMERS: Hervé Poussineau (hpoussin@reactos.org)
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*/
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#include "pciide.h"
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#define NDEBUG
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#include <debug.h>
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IDE_CHANNEL_STATE NTAPI
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PciIdeChannelEnabled(
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IN PVOID DeviceExtension,
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IN ULONG Channel)
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{
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PCI_COMMON_CONFIG PciConfig;
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NTSTATUS Status;
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DPRINT("PciIdeChannelEnabled(%p, %lu)\n", DeviceExtension, Channel);
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Status = PciIdeXGetBusData(
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DeviceExtension,
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&PciConfig,
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0,
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PCI_COMMON_HDR_LENGTH);
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if (!NT_SUCCESS(Status))
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{
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DPRINT("PciIdeXGetBusData() failed with status 0x%08lx\n", Status);
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return ChannelStateUnknown;
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}
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if (PCI_CONFIGURATION_TYPE(&PciConfig) != PCI_DEVICE_TYPE)
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{
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DPRINT("Wrong PCI card type. Disabling IDE channel #%lu\n", Channel);
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return ChannelDisabled;
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}
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if (PciConfig.BaseClass != PCI_CLASS_MASS_STORAGE_CTLR || PciConfig.SubClass != PCI_SUBCLASS_MSC_IDE_CTLR)
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{
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DPRINT("Wrong PCI card base class/sub class. Disabling IDE channel #%lu\n", Channel);
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return ChannelDisabled;
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}
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return ChannelStateUnknown;
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}
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BOOLEAN NTAPI
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PciIdeSyncAccessRequired(
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IN PVOID DeviceExtension)
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{
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DPRINT1("PciIdeSyncAccessRequired %p\n", DeviceExtension);
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return FALSE; /* FIXME */
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}
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NTSTATUS NTAPI
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PciIdeTransferModeSelect(
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IN PVOID DeviceExtension,
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IN PPCIIDE_TRANSFER_MODE_SELECT XferMode)
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{
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ULONG i;
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DPRINT1("PciIdeTransferModeSelect(%p %p)\n", DeviceExtension, XferMode);
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for (i = 0; i < MAX_IDE_DEVICE; i++)
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XferMode->DevicePresent[i] = FALSE; /* FIXME */
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return STATUS_SUCCESS;
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}
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ULONG NTAPI
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PciIdeUseDma(
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IN PVOID DeviceExtension,
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IN PUCHAR CdbCommand,
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IN PUCHAR Slave)
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{
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DPRINT("PciIdeUseDma(%p %p %p)\n", DeviceExtension, CdbCommand, Slave);
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/* Nothing should prevent us to use DMA */
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return 1;
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}
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NTSTATUS NTAPI
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PciIdeGetControllerProperties(
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IN PVOID DeviceExtension,
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OUT PIDE_CONTROLLER_PROPERTIES ControllerProperties)
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{
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if (ControllerProperties->Size != sizeof(IDE_CONTROLLER_PROPERTIES))
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return STATUS_REVISION_MISMATCH;
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ControllerProperties->PciIdeChannelEnabled = PciIdeChannelEnabled;
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ControllerProperties->PciIdeSyncAccessRequired = PciIdeSyncAccessRequired;
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ControllerProperties->PciIdeTransferModeSelect = PciIdeTransferModeSelect;
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ControllerProperties->IgnoreActiveBitForAtaDevice = FALSE;
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ControllerProperties->AlwaysClearBusMasterInterrupt = TRUE;
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ControllerProperties->PciIdeUseDma = PciIdeUseDma;
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ControllerProperties->AlignmentRequirement = 1;
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ControllerProperties->DefaultPIO = 0; /* FIXME */
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ControllerProperties->PciIdeUdmaModesSupported = NULL; /* optional */
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ControllerProperties->SupportedTransferMode[0][0] =
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ControllerProperties->SupportedTransferMode[0][1] =
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ControllerProperties->SupportedTransferMode[1][0] =
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ControllerProperties->SupportedTransferMode[1][1] =
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PIO_MODE0 | PIO_MODE1 | PIO_MODE2 | PIO_MODE3 | PIO_MODE4 |
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SWDMA_MODE0 | SWDMA_MODE1 | SWDMA_MODE2 |
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MWDMA_MODE0 | MWDMA_MODE1 | MWDMA_MODE2 |
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UDMA_MODE0 | UDMA_MODE1 | UDMA_MODE2 | UDMA_MODE3 | UDMA_MODE4;
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return STATUS_SUCCESS;
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}
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NTSTATUS NTAPI
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath)
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{
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NTSTATUS Status;
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Status = PciIdeXInitialize(
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DriverObject,
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RegistryPath,
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PciIdeGetControllerProperties,
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0);
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return Status;
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}
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