reactos/drivers/storage/ide/pciide/pciide.c

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