ddk_bus.c

WinCE 3.0 BSP, 包含Inter SA1110, Intel_815E, Advantech_PCM9574 等

/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995-2000 Microsoft Corporation.  All rights reserved.

Module Name:  

    ceddk.c

Abstract:  

    WINCE device driver support routines.  This file supports
    a very minimal subset of the routines from ntddk.h

    
Functions:


Notes:

--*/
#include <windows.h>
#include <types.h>
#include "ceddk.h"
#include "pc_ddk.h"
//
// I/O driver configuration functions.
//
#define VERBOSE 0

NTHALAPI
ULONG
HalGetBusDataByOffset(
                     IN BUS_DATA_TYPE BusDataType,
                     IN ULONG BusNumber,
                     IN ULONG SlotNumber,
                     IN PVOID Buffer,
                     IN ULONG Offset,
                     IN ULONG Length
                     )
{
    BUSDATA_PARMS parms;
    DWORD dwBytesReturned;
    BOOL  RetCode;

    DEBUGMSG(VERBOSE, (TEXT("+HalGetBusDataByOffset\r\n")));

    parms.Function = IOCTL_HAL_GETBUSDATA;
    parms.ReturnCode = 0;
    parms.BusDataType = BusDataType;
    parms.BusNumber = BusNumber;
    parms.SlotNumber = SlotNumber;
    parms.Buffer = Buffer;
    parms.Offset = Offset;
    parms.Length = Length;
    RetCode = KernelIoControl( IOCTL_HAL_DDK_CALL,
                               &parms, sizeof(parms),
                               NULL, 0,
                               &dwBytesReturned);
    if ( RetCode ) {
        // The IOCTL worked, get results from parms.
        DEBUGMSG(VERBOSE, (TEXT("-HalGetBusDataByOffset %d\r\n"),
                     parms.ReturnCode));
        return (parms.ReturnCode);
    } else {
        // The IOCTL failed, ignore anything in parms.
        DEBUGMSG(1, (TEXT("-HalGetBusDataByOffset - Failed\r\n")));
        return (0);
    }

}


NTHALAPI
ULONG
HalSetBusDataByOffset(
                     IN BUS_DATA_TYPE BusDataType,
                     IN ULONG BusNumber,
                     IN ULONG SlotNumber,
                     IN PVOID Buffer,
                     IN ULONG Offset,
                     IN ULONG Length
                     )
{
    BUSDATA_PARMS parms;
    DWORD dwBytesReturned;
    BOOL  RetCode;

    DEBUGMSG(VERBOSE, (TEXT("+HalSetBusDataByOffset\r\n")));

    parms.Function = IOCTL_HAL_SETBUSDATA;
    parms.ReturnCode = 0;
    parms.BusDataType = BusDataType;
    parms.BusNumber = BusNumber;
    parms.SlotNumber = SlotNumber;
    parms.Buffer = Buffer;
    parms.Offset = Offset;
    parms.Length = Length;
    RetCode = KernelIoControl( IOCTL_HAL_DDK_CALL,
                               &parms, sizeof(parms),
                               NULL, 0,
                               &dwBytesReturned);
    if ( RetCode ) {
        // The IOCTL worked, get results from parms.
        DEBUGMSG(VERBOSE, (TEXT("-HalSetBusDataByOffset %d\r\n"),
                     parms.ReturnCode));
        return (parms.ReturnCode);
    } else {
        // The IOCTL failed, ignore anything in parms.
        DEBUGMSG(1, (TEXT("-HalSetBusDataByOffset - Failed\r\n")));
        return (0);
    }    
}


NTHALAPI
BOOLEAN
HalTranslateBusAddress(
                      IN INTERFACE_TYPE  InterfaceType,
                      IN ULONG BusNumber,
                      IN PHYSICAL_ADDRESS BusAddress,
                      IN OUT PULONG AddressSpace,
                      OUT PPHYSICAL_ADDRESS TranslatedAddress
                      )
{
    DEBUGMSG(VERBOSE, (TEXT("+HalTranslateBusAddress\r\n")));

    *TranslatedAddress = BusAddress;

    DEBUGMSG(VERBOSE, (TEXT("-HalTranslateBusAddress\r\n")));

    return (TRUE);
}