mirror of
https://github.com/reactos/reactos.git
synced 2024-09-19 17:21:14 +00:00
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/*
|
|
* PROJECT: ReactOS PCI Bus Driver
|
|
* LICENSE: BSD - See COPYING.ARM in the top level directory
|
|
* FILE: drivers/bus/pci/intrface/agpintrf.c
|
|
* PURPOSE: AGP Interface
|
|
* PROGRAMMERS: ReactOS Portable Systems Group
|
|
*/
|
|
|
|
/* INCLUDES *******************************************************************/
|
|
|
|
#include <pci.h>
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* GLOBALS ********************************************************************/
|
|
|
|
PCI_INTERFACE AgpTargetInterface =
|
|
{
|
|
&GUID_AGP_TARGET_BUS_INTERFACE_STANDARD,
|
|
sizeof(AGP_BUS_INTERFACE_STANDARD),
|
|
AGP_BUS_INTERFACE_V1,
|
|
AGP_BUS_INTERFACE_V1,
|
|
PCI_INTERFACE_PDO,
|
|
0,
|
|
PciInterface_AgpTarget,
|
|
agpintrf_Constructor,
|
|
agpintrf_Initializer
|
|
};
|
|
|
|
/* FUNCTIONS ******************************************************************/
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
agpintrf_Initializer(IN PVOID Instance)
|
|
{
|
|
/* PnP Interfaces don't get Initialized */
|
|
ASSERTMSG(FALSE, "PCI agpintrf_Initializer, unexpected call.");
|
|
return STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
NTSTATUS
|
|
NTAPI
|
|
agpintrf_Constructor(IN PVOID DeviceExtension,
|
|
IN PVOID Instance,
|
|
IN PVOID InterfaceData,
|
|
IN USHORT Version,
|
|
IN USHORT Size,
|
|
IN PINTERFACE Interface)
|
|
{
|
|
PPCI_PDO_EXTENSION PdoExtension = (PPCI_PDO_EXTENSION)DeviceExtension;
|
|
|
|
/* Only AGP bridges are supported (which are PCI-to-PCI Bridge Devices) */
|
|
if ((PdoExtension->BaseClass != PCI_CLASS_BRIDGE_DEV) ||
|
|
(PdoExtension->SubClass != PCI_SUBCLASS_BR_PCI_TO_PCI))
|
|
{
|
|
/* Fail any other PDO */
|
|
return STATUS_NOT_SUPPORTED;
|
|
}
|
|
|
|
/* Not yet implemented */
|
|
UNIMPLEMENTED;
|
|
while (TRUE);
|
|
}
|
|
|
|
/* EOF */
|