pciide.c File Reference

#include "pciide.h"
#include <debug.h>

Include dependency graph for pciide.c:

Go to the source code of this file.

Macros
#define	NDEBUG

Functions
IDE_CHANNEL_STATE NTAPI	PciIdeChannelEnabled (IN PVOID DeviceExtension, IN ULONG Channel)
BOOLEAN NTAPI	PciIdeSyncAccessRequired (IN PVOID DeviceExtension)
ULONG NTAPI	PciIdeUseDma (IN PVOID DeviceExtension, IN PUCHAR CdbCommand, IN PUCHAR Slave)
NTSTATUS NTAPI	PciIdeGetControllerProperties (IN PVOID DeviceExtension, OUT PIDE_CONTROLLER_PROPERTIES ControllerProperties)
NTSTATUS NTAPI	DriverEntry (IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath)

Macro Definition Documentation

NDEBUG

#define NDEBUG

Definition at line 11 of file pciide.c.

Function Documentation

DriverEntry()

NTSTATUS NTAPI DriverEntry	(	IN PDRIVER_OBJECT	DriverObject,
		IN PUNICODE_STRING	RegistryPath
	)

Definition at line 89 of file pciide.c.

{
    NTSTATUS Status;
 
    Status = PciIdeXInitialize(
        DriverObject,
        RegistryPath,
        PciIdeGetControllerProperties,
        0);
 
    return Status;
}

PciIdeChannelEnabled()

IDE_CHANNEL_STATE NTAPI PciIdeChannelEnabled	(	IN PVOID	DeviceExtension,
		IN ULONG	Channel
	)

Definition at line 15 of file pciide.c.

{
    DPRINT("PciIdeChannelEnabled(%p, %lu)\n", DeviceExtension, Channel);
 
    return ChannelStateUnknown;
}

Referenced by PciIdeGetControllerProperties().

PciIdeGetControllerProperties()

NTSTATUS NTAPI PciIdeGetControllerProperties	(	IN PVOID	DeviceExtension,
		OUT PIDE_CONTROLLER_PROPERTIES	ControllerProperties
	)

Definition at line 46 of file pciide.c.

{
    ULONG SupportedMode;
    USHORT PciCommand;
 
    if (ControllerProperties->Size != sizeof(IDE_CONTROLLER_PROPERTIES))
        return STATUS_REVISION_MISMATCH;
 
    ControllerProperties->PciIdeChannelEnabled = PciIdeChannelEnabled;
    ControllerProperties->PciIdeSyncAccessRequired = PciIdeSyncAccessRequired;
    ControllerProperties->IgnoreActiveBitForAtaDevice = FALSE;
    ControllerProperties->AlwaysClearBusMasterInterrupt = TRUE;
    ControllerProperties->PciIdeUseDma = PciIdeUseDma;
    ControllerProperties->AlignmentRequirement = 1;
 
    PciIdeXGetBusData(DeviceExtension,
                      &PciCommand,
                      FIELD_OFFSET(PCI_COMMON_HEADER, Command),
                      sizeof(PciCommand));
    if (!(PciCommand & PCI_ENABLE_BUS_MASTER))
    {
        SupportedMode = PIO_MODE0 | PIO_MODE1 | PIO_MODE2 | PIO_MODE3 | PIO_MODE4;
    }
    else
    {
        SupportedMode = 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 | UDMA_MODE5 | UDMA_MODE6;
    }
 
    ControllerProperties->SupportedTransferMode[0][0] =
    ControllerProperties->SupportedTransferMode[0][1] =
    ControllerProperties->SupportedTransferMode[1][0] =
    ControllerProperties->SupportedTransferMode[1][1] = SupportedMode;
 
    return STATUS_SUCCESS;
}

Referenced by DriverEntry(), and PciIdeXFdoStartDevice().

PciIdeSyncAccessRequired()

BOOLEAN NTAPI PciIdeSyncAccessRequired

(

IN PVOID

DeviceExtension

)

Definition at line 25 of file pciide.c.

{
    DPRINT("PciIdeSyncAccessRequired %p\n", DeviceExtension);
 
    return FALSE;
}

Referenced by PciIdeGetControllerProperties().

PciIdeUseDma()

ULONG NTAPI PciIdeUseDma	(	IN PVOID	DeviceExtension,
		IN PUCHAR	CdbCommand,
		IN PUCHAR	Slave
	)

Definition at line 34 of file pciide.c.

{
    DPRINT("PciIdeUseDma(%p %p %p)\n", DeviceExtension, CdbCommand, Slave);
 
    /* Nothing should prevent us to use DMA */
    return 1;
}

Referenced by PciIdeGetControllerProperties().