95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*****************************************************************************
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*
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* COPYRIGHT 1993 - COLORADO MEMORY SYSTEMS, INC.
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* ALL RIGHTS RESERVED.
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*
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******************************************************************************
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*
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* FILE: \SE\DRIVER\Q117KDI\NT\SRC\0X15A19.C
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*
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* FUNCTION: kdi_ProgramDMA
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*
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* PURPOSE:
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*
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* HISTORY:
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* $Log: J:\se.vcs\driver\q117kdi\nt\src\0x15a19.c $
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*
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* Rev 1.1 18 Jan 1994 16:30:38 KEVINKES
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* Fixed compile errors and added debug changes.
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*
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* Rev 1.0 02 Dec 1993 16:05:26 KEVINKES
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* Initial Revision.
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*
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*****************************************************************************/
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#define FCT_ID 0x15A19
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#include "include\public\adi_api.h"
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#include "include\public\frb_api.h"
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#include "q117kdi\include\kdiwhio.h"
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#include "q117kdi\include\kdiwpriv.h"
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#include "include\private\kdi_pub.h"
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/*endinclude*/
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dVoid kdi_ProgramDMA
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(
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/* INPUT PARAMETERS: */
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dVoidPtr context,
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dBoolean write_operation,
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dVoidPtr phy_data_ptr,
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dUDWord bytes_transferred_so_far,
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/* UPDATE PARAMETERS: */
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dUDWordPtr total_bytes_of_transfer_ptr
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/* OUTPUT PARAMETERS: */
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)
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/* COMMENTS: *****************************************************************
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*
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* DEFINITIONS: *************************************************************/
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{
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/* DATA: ********************************************************************/
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PHYSICAL_ADDRESS val;
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KdiContextPtr kdi_context = (KdiContextPtr)context;
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/* CODE: ********************************************************************/
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kdi_LockUnlockDMA(kdi_context, dTRUE);
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//
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// Map the transfer through the DMA hardware.
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//
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KeFlushIoBuffers( phy_data_ptr, !write_operation, dTRUE );
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/*
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DbgAddEntry(0x1234567a);
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DbgAddEntry((dUDWord)kdi_context->adapter_object);
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DbgAddEntry((dUDWord)phy_data_ptr);
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DbgAddEntry((dUDWord)kdi_context->map_register_base);
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DbgAddEntry((dUDWord) MmGetMdlVirtualAddress(phy_data_ptr)
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+ bytes_transferred_so_far );
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DbgAddEntry(*total_bytes_of_transfer_ptr);
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DbgAddEntry(write_operation);
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*/
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val = IoMapTransfer(
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kdi_context->adapter_object,
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phy_data_ptr,
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kdi_context->map_register_base,
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(dVoidPtr)( (dUDWord) MmGetMdlVirtualAddress((PMDL)phy_data_ptr)
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+ bytes_transferred_so_far ),
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total_bytes_of_transfer_ptr,
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write_operation );
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/*
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DbgAddEntry(val.HighPart);
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DbgAddEntry(val.LowPart);
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DbgAddEntry(*total_bytes_of_transfer_ptr);
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*/
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}
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