dispatch.c

用C语言写得PCI8052的WDM结构驱动程序

//  Programmer：桂凯    西安电子科技大学
// 
//  email：[e-mail]
//  All right reserved 


#include <ntddk.h>
#include <ndis.h>
#include <pci9052hw.h>
#include <pci9052sw.h>

NTSTATUS 
MainDispatch ( 
    IN PDEVICE_OBJECT DeviceObject, 
    IN PIRP Irp 
    )
{
    NTSTATUS status;
    PIO_STACK_LOCATION irpSp;
    PULONG dataptr;
    PCI_COMMON_CONFIG pcidata;
    BYTE result[256];
    PULONG  Register = NULL; 
    ULONG  Value = 0;
    PVOID  MapedIoBaseAddr = NULL;
    
    PHYSICAL_ADDRESS PhysicalAddress;
    ULONG NumberOfBytes = 16;
    MEMORY_CACHING_TYPE CacheEnable;
    
    PDEVICE_EXTENSION deviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;

    PULONG port = (PULONG)deviceExt->PlxRegisterBaseAddr  + INTCSR;
    ULONG value[1] ;

	DbgPrint("deviceExt->PlxRegisterBaseAddr:0x %x\n",deviceExt->PlxRegisterBaseAddr);

	
    UNREFERENCED_PARAMETER(DeviceObject);
    irpSp=IoGetCurrentIrpStackLocation(Irp);
    switch(irpSp->MajorFunction)
    {
    	case IRP_MJ_READ:
    	    status = Read9052(DeviceObject, Irp);
    	    if( status != STATUS_SUCCESS)
    	    {
    	    	KdPrint(("good bye"));
		Irp->IoStatus.Status = STATUS_SUCCESS;
             Irp->IoStatus.Information = 0L;
    	 	break;
    	    }
    	    
    	    break;
        case IRP_MJ_CREATE:
            Irp->IoStatus.Status = STATUS_SUCCESS;
            Irp->IoStatus.Information = 0L;
            break;
        case IRP_MJ_CLOSE:
            Irp->IoStatus.Status = STATUS_SUCCESS;
            Irp->IoStatus.Information = 0L;
            break;
        case IRP_MJ_DEVICE_CONTROL: {
            switch (irpSp->Parameters.DeviceIoControl.IoControlCode ) {
            	
            	case PCI9052_READ_PCI_BUS_CONFIGURATION:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    if(irpSp->Parameters.DeviceIoControl.InputBufferLength!=8) break;
                    //this is the size of the PCI_COMMON_CONFIG structure
                    if(irpSp->Parameters.DeviceIoControl.OutputBufferLength!=256) break;
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
                    Irp->IoStatus.Information=HalGetBusData(PCIConfiguration,dataptr[0],dataptr[1],&pcidata,sizeof(pcidata));
                    memcpy(dataptr,&pcidata,sizeof(pcidata));
                    break;
                    
                case PCI9052_READ_PORT_UCHAR:
                    break;
                case PCI9052_READ_PORT_USHORT:
                    break;
                case PCI9052_READ_PORT_ULONG:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    if(irpSp->Parameters.DeviceIoControl.InputBufferLength!=8) break;
                    
                    if(irpSp->Parameters.DeviceIoControl.OutputBufferLength!=256) break;
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
 //                   *Register = dataptr[0];
//                    Value = dataptr[1];
                    
                    deviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
                    
//                    if( deviceExt->BaseAddresses[1] != NULL)      
                       WRITE_PORT_ULONG( &(deviceExt->BaseAddresses[1]), (ULONG)(*dataptr));
                    Irp->IoStatus.Information = 256;
                    break;
                case PCI9052_WRITE_PORT_UCHAR:
                    break;
                case PCI9052_WRITE_PORT_USHORT:
                    break;
                case PCI9052_WRITE_PORT_ULONG:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    if(irpSp->Parameters.DeviceIoControl.InputBufferLength!=8) break;
                    
                    if(irpSp->Parameters.DeviceIoControl.OutputBufferLength!=256) break;
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
 //                   *Register = dataptr[0];
//                    Value = dataptr[1];
                    
                    deviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
                    
                    if( deviceExt->MapedIoLocalSpace0BaseAddr != NULL)      
                       memcpy( deviceExt->MapedIoLocalSpace0BaseAddr, dataptr, 4);
                    Irp->IoStatus.Information = 256;
                    break;
                case PCI9052_DEVICE_DETECTION:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
                    status = Detect9052( DeviceObject);
                    if( status == STATUS_SUCCESS)
                    { 
                      result[0] = 0x50;
                      result[1] = 0x90;
                      result[2] = 0xb5;
                      result[3] = 0x10;
                    }
                    if( status == STATUS_NO_SUCH_DEVICE)
                    { 
                      result[0] = 0xff;
                      result[1] = 0xff;
                      result[2] = 0xff;
                      result[3] = 0xff;
                    }
                    Irp->IoStatus.Information = 256;
                    memcpy(dataptr,result,256);
                    break;
               case PCI9052_XMIT_DATA:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    if(irpSp->Parameters.DeviceIoControl.InputBufferLength!=8) break;
                    
                    if(irpSp->Parameters.DeviceIoControl.OutputBufferLength!=256) break;
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
 //                   *Register = dataptr[0];
//                    Value = dataptr[1];
                    
                    deviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
                    
                    if( deviceExt->MapedIoLocalSpace0BaseAddr != NULL)      
                       memcpy( deviceExt->MapedIoLocalSpace0BaseAddr, dataptr, 4);
                    Irp->IoStatus.Information = 256;
                    break;
               case PCI9052_RCV_DATA:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 0L;
                    if(deviceExt->data_ready ==FALSE)
                        break;
                    else
                    dataptr = (PULONG) Irp->AssociatedIrp.SystemBuffer;
                                         
                    Irp->IoStatus.Information = 4;
                    deviceExt->data_ready =FALSE;
                    memcpy(dataptr, deviceExt->data,4);
                    break;
               case PCI9052_START:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 1234L;
                    value[0]= 0x0143;
                    memcpy( port, value, 4);
                    break;
               case PCI9052_STOP:
                    Irp->IoStatus.Status = STATUS_SUCCESS;
                    Irp->IoStatus.Information = 4321L;
                    value[0]= 0x0;
                    memcpy( port, value, 4);
                    break;
              }// switch (irpSp->Parameters.DeviceIoControl.IoControlCode ) ENDED    
             break;        
            } //  case IRP_MJ_DEVICE_CONTROL: ended
    }
    status=Irp->IoStatus.Status;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);
    return(status);
}