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p9060_lib.c
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2001-04-11
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////////////////////////////////////////////////////////////////
// File - P9060_LIB.C
//
// Library for 'WinDriver for PLX 9060' API.
// The basic idea is to get a handle for the board
// with P9060_Open() and use it in the rest of the program
// when calling WD functions. Call P9060_Close() when done.
//
////////////////////////////////////////////////////////////////
#include "../../../include/windrvr.h"
#include "../../../include/windrvr_int_thread.h"
#include "p9060_lib.h"
#include <stdio.h>
// this string is set to an error message, if one occurs
CHAR P9060_ErrorString[1024];
// internal function used by P9060_Open()
BOOL P9060_DetectCardElements(P9060_HANDLE hPlx);
// internal function used by P9060_Read... and P9060_Write... functions
void P9060_SetMode (P9060_HANDLE hPlx, P9060_MODE mode, DWORD dwLocalAddr);
DWORD P9060_CountCards (DWORD dwVendorID, DWORD dwDeviceID)
{
WD_VERSION ver;
WD_PCI_SCAN_CARDS pciScan;
HANDLE hWD = INVALID_HANDLE_VALUE;
P9060_ErrorString[0] = '\0';
hWD = WD_Open();
// check if handle valid & version OK
if (hWD==INVALID_HANDLE_VALUE)
{
sprintf( P9060_ErrorString, "Failed opening " WD_PROD_NAME " device\n");
return 0;
}
BZERO(ver);
WD_Version(hWD,&ver);
if (ver.dwVer<WD_VER)
{
sprintf( P9060_ErrorString, "Incorrect " WD_PROD_NAME " version\n");
WD_Close (hWD);
return 0;
}
BZERO(pciScan);
pciScan.searchId.dwVendorId = dwVendorID;
pciScan.searchId.dwDeviceId = dwDeviceID;
WD_PciScanCards (hWD, &pciScan);
WD_Close (hWD);
if (pciScan.dwCards==0)
sprintf( P9060_ErrorString, "no cards found\n");
return pciScan.dwCards;
}
BOOL P9060_Open (P9060_HANDLE *phPlx, DWORD dwVendorID, DWORD dwDeviceID, DWORD nCardNum, DWORD dwOptions)
{
P9060_HANDLE hPlx = (P9060_HANDLE) malloc (sizeof (P9060_STRUCT));
DWORD dwIntStatus;
WD_VERSION ver;
WD_PCI_SCAN_CARDS pciScan;
WD_PCI_CARD_INFO pciCardInfo;
*phPlx = NULL;
P9060_ErrorString[0] = '\0';
BZERO(*hPlx);
hPlx->hWD = WD_Open();
// check if handle valid & version OK
if (hPlx->hWD==INVALID_HANDLE_VALUE)
{
sprintf( P9060_ErrorString, "Failed opening " WD_PROD_NAME " device\n");
goto Exit;
}
BZERO(ver);
WD_Version(hPlx->hWD,&ver);
if (ver.dwVer<WD_VER)
{
sprintf( P9060_ErrorString, "Incorrect " WD_PROD_NAME " version\n");
goto Exit;
}
BZERO(pciScan);
pciScan.searchId.dwVendorId = dwVendorID;
pciScan.searchId.dwDeviceId = dwDeviceID;
WD_PciScanCards (hPlx->hWD, &pciScan);
if (pciScan.dwCards==0) // Found at least one card
{
sprintf( P9060_ErrorString, "Could not find PCI card\n");
goto Exit;
}
if (pciScan.dwCards<=nCardNum)
{
sprintf( P9060_ErrorString, "Card out of range of available cards\n");
goto Exit;
}
BZERO(pciCardInfo);
pciCardInfo.pciSlot = pciScan.cardSlot[nCardNum];
WD_PciGetCardInfo (hPlx->hWD, &pciCardInfo);
hPlx->pciSlot = pciCardInfo.pciSlot;
hPlx->cardReg.Card = pciCardInfo.Card;
hPlx->fUseInt = (dwOptions & P9060_OPEN_USE_INT) ? TRUE : FALSE;
if (!hPlx->fUseInt)
{
DWORD i;
// Remove interrupt item if not needed
for (i=0; i<hPlx->cardReg.Card.dwItems; i++)
{
WD_ITEMS *pItem = &hPlx->cardReg.Card.Item[i];
if (pItem->item==ITEM_INTERRUPT)
pItem->item = ITEM_NONE;
}
}
else
{
DWORD i;
// make interrupt resource sharable
for (i=0; i<hPlx->cardReg.Card.dwItems; i++)
{
WD_ITEMS *pItem = &hPlx->cardReg.Card.Item[i];
if (pItem->item==ITEM_INTERRUPT)
pItem->fNotSharable = FALSE;
}
}
hPlx->cardReg.fCheckLockOnly = FALSE;
WD_CardRegister (hPlx->hWD, &hPlx->cardReg);
if (hPlx->cardReg.hCard==0)
{
sprintf ( P9060_ErrorString, "Failed locking device\n");
goto Exit;
}
if (!P9060_DetectCardElements(hPlx))
{
sprintf ( P9060_ErrorString, "Card does not have all items expected for PLX 9060\n");
goto Exit;
}
// set the values to be written to REGION_DESC register
hPlx->modeDesc[P9060_MODE_BYTE] = (DWORD) (P9060_MODE_DESC | P9060_MODE_DESC_BYTE);
hPlx->modeDesc[P9060_MODE_WORD] = (DWORD) (P9060_MODE_DESC | P9060_MODE_DESC_WORD);
hPlx->modeDesc[P9060_MODE_DWORD] = (DWORD) (P9060_MODE_DESC | P9060_MODE_DESC_DWORD);
// this enables target abort so it wont get stuck
dwIntStatus = P9060_ReadReg (hPlx, P9060_INT_STATUS);
P9060_WriteReg (hPlx, P9060_INT_STATUS, dwIntStatus | BIT12);
// Open finished OK
*phPlx = hPlx;
return TRUE;
Exit:
// Error durin Open
if (hPlx->cardReg.hCard)
WD_CardUnregister(hPlx->hWD, &hPlx->cardReg);
if (hPlx->hWD!=INVALID_HANDLE_VALUE)
WD_Close(hPlx->hWD);
free (hPlx);
return FALSE;
}
DWORD P9060_ReadPCIReg(P9060_HANDLE hPlx, DWORD dwReg)
{
WD_PCI_CONFIG_DUMP pciCnf;
DWORD dwVal;
BZERO (pciCnf);
pciCnf.pciSlot = hPlx->pciSlot;
pciCnf.pBuffer = &dwVal;
pciCnf.dwOffset = dwReg;
pciCnf.dwBytes = 4;
pciCnf.fIsRead = TRUE;
WD_PciConfigDump(hPlx->hWD,&pciCnf);
return dwVal;
}
void P9060_WritePCIReg(P9060_HANDLE hPlx, DWORD dwReg, DWORD dwData)
{
WD_PCI_CONFIG_DUMP pciCnf;
BZERO (pciCnf);
pciCnf.pciSlot = hPlx->pciSlot;
pciCnf.pBuffer = &dwData;
pciCnf.dwOffset = dwReg;
pciCnf.dwBytes = 4;
pciCnf.fIsRead = FALSE;
WD_PciConfigDump(hPlx->hWD,&pciCnf);
}
BOOL P9060_DetectCardElements(P9060_HANDLE hPlx)
{
DWORD i;
DWORD ad_sp;
BZERO(hPlx->Int);
BZERO(hPlx->addrDesc);
for (i=0; i<hPlx->cardReg.Card.dwItems; i++)
{
WD_ITEMS *pItem = &hPlx->cardReg.Card.Item[i];
switch (pItem->item)
{
case ITEM_MEMORY:
case ITEM_IO:
{
DWORD dwBytes;
DWORD dwAddr;
DWORD dwPhysAddr;
DWORD dwAddrDirect = 0;
BOOL fIsMemory;
if (pItem->item==ITEM_MEMORY)
{
dwBytes = pItem->I.Mem.dwBytes;
dwAddr = pItem->I.Mem.dwTransAddr;
dwAddrDirect = pItem->I.Mem.dwUserDirectAddr;
dwPhysAddr = pItem->I.Mem.dwPhysicalAddr;
fIsMemory = TRUE;
}
else
{
dwBytes = pItem->I.IO.dwBytes;
dwAddr = pItem->I.IO.dwAddr;
dwPhysAddr = dwAddr & 0xffff;
fIsMemory = FALSE;
}
for (ad_sp=P9060_ADDR_REG; ad_sp<=P9060_ADDR_EPROM; ad_sp++)
{
DWORD dwPCIAddr;
DWORD dwPCIReg;
if (hPlx->addrDesc[ad_sp].dwAddr) continue;
if (ad_sp==P9060_ADDR_REG) dwPCIReg = PCI_BAR0;
else if (ad_sp<P9060_ADDR_EPROM)
dwPCIReg = PCI_BAR2 + 4*(ad_sp-P9060_ADDR_SPACE0);
else dwPCIReg = PCI_ERBAR;
dwPCIAddr = P9060_ReadPCIReg(hPlx, dwPCIReg);
if (dwPCIAddr & 1)
{
if (fIsMemory) continue;
dwPCIAddr &= ~0x3;
}
else
{
if (!fIsMemory) continue;
dwPCIAddr &= ~0xf;
}
if (dwPCIAddr==dwPhysAddr)
break;
}
if (ad_sp<=P9060_ADDR_EPROM)
{
DWORD j;
hPlx->addrDesc[ad_sp].dwBytes = dwBytes;
hPlx->addrDesc[ad_sp].dwAddr = dwAddr;
hPlx->addrDesc[ad_sp].dwAddrDirect = dwAddrDirect;
hPlx->addrDesc[ad_sp].fIsMemory = fIsMemory;
hPlx->addrDesc[ad_sp].dwMask = 0;
for (j=1; j<hPlx->addrDesc[ad_sp].dwBytes && j!=0x80000000; j *= 2)
{
hPlx->addrDesc[ad_sp].dwMask =
(hPlx->addrDesc[ad_sp].dwMask << 1) | 1;
}
}
}
break;
case ITEM_INTERRUPT:
if (hPlx->Int.Int.hInterrupt) return FALSE;
hPlx->Int.Int.hInterrupt = pItem->I.Int.hInterrupt;
break;
}
}
// check that all the items needed were found
// check if interrupt found
if (hPlx->fUseInt && !hPlx->Int.Int.hInterrupt)
{
return FALSE;
}
// check that the registers space was found
if (!P9060_IsAddrSpaceActive(hPlx, P9060_ADDR_REG))
//|| hPlx->addrDesc[P9060_ADDR_REG].dwBytes!=P9060_RANGE_REG)
return FALSE;
// check that address space 0 was found
if (!P9060_IsAddrSpaceActive(hPlx, P9060_ADDR_SPACE0)) return FALSE;
hPlx->addrSpace = P9060_ADDR_SPACE0;
return TRUE;
}
void P9060_Close(P9060_HANDLE hPlx)
{
// disable interrupts
if (P9060_IntIsEnabled(hPlx))
P9060_IntDisable(hPlx);
// unregister card
if (hPlx->cardReg.hCard)
WD_CardUnregister(hPlx->hWD, &hPlx->cardReg);
// close WinDriver
WD_Close(hPlx->hWD);
free (hPlx);
}
BOOL P9060_IsAddrSpaceActive(P9060_HANDLE hPlx, P9060_ADDR addrSpace)
{
return hPlx->addrDesc[addrSpace].dwAddr!=0;
}
DWORD P9060_ReadReg (P9060_HANDLE hPlx, DWORD dwReg)
{
return P9060_ReadSpaceDWord(hPlx, P9060_ADDR_REG, dwReg);
}
void P9060_WriteReg (P9060_HANDLE hPlx, DWORD dwReg, DWORD dwData)
{
P9060_WriteSpaceDWord(hPlx, P9060_ADDR_REG, dwReg, dwData);
}
BYTE P9060_ReadSpaceByte (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
BYTE *pByte = (BYTE *) dwAddr;
return *pByte;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = RP_BYTE;
trans.dwPort = dwAddr;
WD_Transfer (hPlx->hWD, &trans);
return trans.Data.Byte;
}
}
void P9060_WriteSpaceByte (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset, BYTE data)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
BYTE *pByte = (BYTE *) dwAddr;
*pByte = data;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = WP_BYTE;
trans.dwPort = dwAddr;
trans.Data.Byte = data;
WD_Transfer (hPlx->hWD, &trans);
}
}
WORD P9060_ReadSpaceWord (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
WORD *pWord = (WORD *) dwAddr;
return *pWord;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = RP_WORD;
trans.dwPort = dwAddr;
WD_Transfer (hPlx->hWD, &trans);
return trans.Data.Word;
}
}
void P9060_WriteSpaceWord (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset, WORD data)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
WORD *pWord = (WORD *) dwAddr;
*pWord = data;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = WP_WORD;
trans.dwPort = dwAddr;
trans.Data.Word = data;
WD_Transfer (hPlx->hWD, &trans);
}
}
DWORD P9060_ReadSpaceDWord (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
DWORD *pDword = (DWORD *) dwAddr;
return *pDword;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = RP_DWORD;
trans.dwPort = dwAddr;
WD_Transfer (hPlx->hWD, &trans);
return trans.Data.Dword;
}
}
void P9060_WriteSpaceDWord (P9060_HANDLE hPlx, P9060_ADDR addrSpace, DWORD dwOffset, DWORD data)
{
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddrDirect + dwOffset;
DWORD *pDword = (DWORD *) dwAddr;
*pDword = data;
}
else
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
trans.cmdTrans = WP_DWORD;
trans.dwPort = dwAddr;
trans.Data.Dword = data;
WD_Transfer (hPlx->hWD, &trans);
}
}
void P9060_ReadWriteSpaceBlock (P9060_HANDLE hPlx, DWORD dwOffset, PVOID buf,
DWORD dwBytes, BOOL fIsRead, P9060_ADDR addrSpace, P9060_MODE mode)
{
DWORD dwAddr = hPlx->addrDesc[addrSpace].dwAddr + dwOffset;
WD_TRANSFER trans;
BZERO(trans);
if (hPlx->addrDesc[addrSpace].fIsMemory)
{
if (fIsRead)
{
if (mode==P9060_MODE_BYTE) trans.cmdTrans = RM_SBYTE;
else if (mode==P9060_MODE_WORD) trans.cmdTrans = RM_SWORD;
else trans.cmdTrans = RM_SDWORD;
}
else
{
if (mode==P9060_MODE_BYTE) trans.cmdTrans = WM_SBYTE;
else if (mode==P9060_MODE_WORD) trans.cmdTrans = WM_SWORD;
else trans.cmdTrans = WM_SDWORD;
}
}
else
{
if (fIsRead)
{
if (mode==P9060_MODE_BYTE) trans.cmdTrans = RP_SBYTE;
else if (mode==P9060_MODE_WORD) trans.cmdTrans = RP_SWORD;
else trans.cmdTrans = RP_SDWORD;
}
else
{
if (mode==P9060_MODE_BYTE) trans.cmdTrans = WP_SBYTE;
else if (mode==P9060_MODE_WORD) trans.cmdTrans = WP_SWORD;
else trans.cmdTrans = WP_SDWORD;
}
}
trans.dwPort = dwAddr;
trans.fAutoinc = TRUE;
trans.dwBytes = dwBytes;
trans.dwOptions = 0;
trans.Data.pBuffer = buf;
WD_Transfer (hPlx->hWD, &trans);
}
void P9060_ReadSpaceBlock (P9060_HANDLE hPlx, DWORD dwOffset, PVOID buf,
DWORD dwBytes, P9060_ADDR addrSpace, P9060_MODE mode)
{
P9060_ReadWriteSpaceBlock (hPlx, dwOffset, buf, dwBytes, TRUE, addrSpace, mode);
}
void P9060_WriteSpaceBlock (P9060_HANDLE hPlx, DWORD dwOffset, PVOID buf,
DWORD dwBytes, P9060_ADDR addrSpace, P9060_MODE mode)
{
P9060_ReadWriteSpaceBlock (hPlx, dwOffset, buf, dwBytes, FALSE, addrSpace, mode);
}
void P9060_SetMode (P9060_HANDLE hPlx, P9060_MODE mode, DWORD dwLocalAddr)
{
P9060_WriteReg (hPlx, P9060_REGION_DESC, hPlx->modeDesc[mode]);
hPlx->addrDesc[hPlx->addrSpace].dwLocalBase = dwLocalAddr & ~hPlx->addrDesc[hPlx->addrSpace].dwMask;
hPlx->addrDesc[hPlx->addrSpace].dwLocalBase |= BIT0;
P9060_WriteReg (hPlx, P9060_REMAP_PTOL_0, hPlx->addrDesc[hPlx->addrSpace].dwLocalBase);
}
BYTE P9060_ReadByte (P9060_HANDLE hPlx, DWORD dwLocalAddr)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_BYTE, dwLocalAddr);
return P9060_ReadSpaceByte(hPlx, hPlx->addrSpace, dwOffset);
}
void P9060_WriteByte (P9060_HANDLE hPlx, DWORD dwLocalAddr, BYTE data)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_BYTE, dwLocalAddr);
P9060_WriteSpaceByte(hPlx, hPlx->addrSpace, dwOffset, data);
}
WORD P9060_ReadWord (P9060_HANDLE hPlx, DWORD dwLocalAddr)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_WORD, dwLocalAddr);
return P9060_ReadSpaceWord(hPlx, hPlx->addrSpace, dwOffset);
}
void P9060_WriteWord (P9060_HANDLE hPlx, DWORD dwLocalAddr, WORD data)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_WORD, dwLocalAddr);
P9060_WriteSpaceWord(hPlx, hPlx->addrSpace, dwOffset, data);
}
DWORD P9060_ReadDWord (P9060_HANDLE hPlx, DWORD dwLocalAddr)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_DWORD, dwLocalAddr);
return P9060_ReadSpaceDWord(hPlx, hPlx->addrSpace, dwOffset);
}
void P9060_WriteDWord (P9060_HANDLE hPlx, DWORD dwLocalAddr, DWORD data)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, P9060_MODE_DWORD, dwLocalAddr);
P9060_WriteSpaceDWord(hPlx, hPlx->addrSpace, dwOffset, data);
}
void P9060_ReadWriteBlock (P9060_HANDLE hPlx, DWORD dwLocalAddr, PVOID buf,
DWORD dwBytes, BOOL fIsRead, P9060_MODE mode)
{
DWORD dwOffset = hPlx->addrDesc[hPlx->addrSpace].dwMask & dwLocalAddr;
P9060_SetMode (hPlx, mode, dwLocalAddr);
P9060_ReadWriteSpaceBlock(hPlx, dwOffset, buf, dwBytes, fIsRead, hPlx->addrSpace, mode);
}
void P9060_ReadBlock (P9060_HANDLE hPlx, DWORD dwLocalAddr, PVOID buf,
DWORD dwBytes, P9060_MODE mode)
{
P9060_ReadWriteBlock (hPlx, dwLocalAddr, buf, dwBytes, TRUE, mode);
}
void P9060_WriteBlock (P9060_HANDLE hPlx, DWORD dwLocalAddr, PVOID buf,
DWORD dwBytes, P9060_MODE mode)
{
P9060_ReadWriteBlock (hPlx, dwLocalAddr, buf, dwBytes, FALSE, mode);
}
BOOL P9060_IntIsEnabled (P9060_HANDLE hPlx)
{
if (!hPlx->fUseInt) return FALSE;
if (!hPlx->Int.hThread) return FALSE;
return TRUE;
}
VOID P9060_IntHandler (PVOID pData)
{
P9060_HANDLE hPlx = (P9060_HANDLE) pData;
P9060_INT_RESULT intResult;
intResult.dwCounter = hPlx->Int.Int.dwCounter;
intResult.dwLost = hPlx->Int.Int.dwLost;
intResult.fStopped = hPlx->Int.Int.fStopped;
intResult.dwStatusReg = hPlx->Int.Trans[0].Data.Dword;
hPlx->Int.funcIntHandler(hPlx, &intResult);
}
BOOL P9060_IntEnable (P9060_HANDLE hPlx, P9060_INT_HANDLER funcIntHandler)
{
DWORD dwIntStatus;
DWORD dwAddr;
if (!hPlx->fUseInt) return FALSE;
// check if interrupt is already enabled
if (hPlx->Int.hThread) return FALSE;
dwIntStatus = P9060_ReadReg (hPlx, P9060_INT_STATUS);
BZERO(hPlx->Int.Trans);
// This is a samlpe of handling interrupts:
// Two transfer commands are issued. First the value of the interrrupt control/status
// register is read. Then, a value of ZERO is written.
// This will cancel interrupts after the first interrupt occurs.
// When using interrupts, this section will have to change:
// you must put transfer commands to CANCEL the source of the interrupt, otherwise, the
// PC will hang when an interrupt occurs!
dwAddr = hPlx->addrDesc[P9060_ADDR_REG].dwAddr + P9060_INT_STATUS;
hPlx->Int.Trans[0].cmdTrans = hPlx->addrDesc[P9060_ADDR_REG].fIsMemory ? RM_DWORD : RP_DWORD;
hPlx->Int.Trans[0].dwPort = dwAddr;
hPlx->Int.Trans[1].cmdTrans = hPlx->addrDesc[P9060_ADDR_REG].fIsMemory ? WM_DWORD : WP_DWORD;
hPlx->Int.Trans[1].dwPort = dwAddr;
hPlx->Int.Trans[1].Data.Dword = dwIntStatus & ~(BIT8|BIT10); // put here the data to write to the control register
hPlx->Int.Int.dwCmds = 2;
hPlx->Int.Int.Cmd = hPlx->Int.Trans;
hPlx->Int.Int.dwOptions |= INTERRUPT_CMD_COPY;
// create interrupt handler thread
hPlx->Int.funcIntHandler = funcIntHandler;
if (!InterruptThreadEnable(&hPlx->Int.hThread, hPlx->hWD, &hPlx->Int.Int, P9060_IntHandler, (PVOID) hPlx))
return FALSE;
// this enables interrupts
P9060_WriteReg (hPlx, P9060_INT_STATUS, dwIntStatus | (BIT8|BIT10));
return TRUE;
}
void P9060_IntDisable (P9060_HANDLE hPlx)
{
DWORD dwIntStatus;
if (!hPlx->fUseInt) return;
if (!hPlx->Int.hThread) return;
// this disables interrupts
dwIntStatus = P9060_ReadReg (hPlx, P9060_INT_STATUS);
P9060_WriteReg (hPlx, P9060_INT_STATUS, dwIntStatus & ~(BIT8|BIT10));
// this calls WD_IntDisable()
InterruptThreadDisable(hPlx->Int.hThread);
hPlx->Int.hThread = NULL;
}