Sweden-Number/windows/driver.c

310 lines
8.0 KiB
C

/*
* Wine Drivers functions
*
* Copyright 1994 Martin Ayotte
*/
#include <stdio.h>
#include "windows.h"
#include "win.h"
#include "callback.h"
#include "driver.h"
#include "module.h"
#include "stddebug.h"
#include "debug.h"
LPDRIVERITEM lpDrvItemList = NULL;
void LoadStartupDrivers(void)
{
HDRVR16 hDrv;
char str[256];
LPSTR ptr;
if (GetPrivateProfileString32A( "drivers", NULL, "", str, sizeof(str),
"SYSTEM.INI" ) < 2)
{
fprintf( stderr,
"LoadStartupDrivers // can't find drivers section in system.ini\n" );
return;
}
ptr = str;
while (lstrlen32A( ptr ) != 0)
{
dprintf_driver( stddeb, "LoadStartupDrivers // str='%s'\n", ptr );
hDrv = OpenDriver( ptr, "drivers", 0L );
dprintf_driver( stddeb, "LoadStartupDrivers // hDrv=%04x\n", hDrv );
ptr += lstrlen32A(ptr) + 1;
}
dprintf_driver( stddeb, "LoadStartupDrivers // end of list !\n" );
return;
}
/**************************************************************************
* SendDriverMessage [USER.251]
*/
LRESULT SendDriverMessage(HDRVR16 hDriver, UINT16 msg, LPARAM lParam1,
LPARAM lParam2)
{
LPDRIVERITEM lpdrv;
LRESULT retval;
dprintf_driver( stddeb, "SendDriverMessage(%04x, %04X, %08lX, %08lX)\n",
hDriver, msg, lParam1, lParam2 );
lpdrv = (LPDRIVERITEM)GlobalLock16( hDriver );
if (lpdrv == NULL || lpdrv->dis.hDriver != hDriver)
{
GlobalUnlock16( hDriver );
return 0;
}
retval = CallDriverProc( lpdrv->lpDrvProc, 0L /* FIXME */, hDriver, msg,
lParam1, lParam2 );
dprintf_driver( stddeb, "SendDriverMessage // retval = %ld\n", retval );
GlobalUnlock16( hDriver );
return retval;
}
/**************************************************************************
* OpenDriver [USER.252]
*/
HDRVR16 OpenDriver(LPSTR lpDriverName, LPSTR lpSectionName, LPARAM lParam)
{
HDRVR16 hDrvr;
LPDRIVERITEM lpdrv, lpnewdrv;
char DrvName[128];
WORD ordinal;
dprintf_driver( stddeb,"OpenDriver('%s', '%s', %08lX);\n",
lpDriverName, lpSectionName, lParam );
if (lpSectionName == NULL) lpSectionName = "drivers";
GetPrivateProfileString32A( lpSectionName, lpDriverName, "", DrvName,
sizeof(DrvName), "SYSTEM.INI" );
dprintf_driver( stddeb,"OpenDriver // DrvName='%s'\n", DrvName );
if (lstrlen32A(DrvName) < 1) return 0;
lpdrv = lpDrvItemList;
while (lpdrv) /* XXX find it... like this? */
{
if (!lstrcmpi32A( lpDriverName, lpdrv->dis.szAliasName ))
{
lpdrv->count++;
SendDriverMessage( lpdrv->dis.hDriver, DRV_OPEN, 0L, lParam );
return lpdrv->dis.hDriver;
}
lpdrv = lpdrv->lpNextItem;
}
lpdrv = lpDrvItemList; /* find end of list */
if (lpdrv != NULL)
while (lpdrv->lpNextItem != NULL)
lpdrv = lpdrv->lpNextItem;
hDrvr = GlobalAlloc16( GMEM_MOVEABLE, sizeof(DRIVERITEM) );
lpnewdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
if (lpnewdrv == NULL) return 0;
lpnewdrv->dis.length = sizeof( DRIVERINFOSTRUCT16 );
lpnewdrv->dis.hModule = LoadModule16( DrvName, (LPVOID)-1 );
if (!lpnewdrv->dis.hModule)
{
GlobalUnlock16( hDrvr );
GlobalFree16( hDrvr );
return 0;
}
lpnewdrv->dis.hDriver = hDrvr;
lstrcpy32A( lpnewdrv->dis.szAliasName, lpDriverName );
lpnewdrv->count = 1;
ordinal = MODULE_GetOrdinal( lpnewdrv->dis.hModule, "DRIVERPROC" );
if (!ordinal ||
!(lpnewdrv->lpDrvProc = (DRIVERPROC16)MODULE_GetEntryPoint(
lpnewdrv->dis.hModule, ordinal )))
{
FreeModule16( lpnewdrv->dis.hModule );
GlobalUnlock16( hDrvr );
GlobalFree16( hDrvr );
return 0;
}
lpnewdrv->lpNextItem = NULL;
if (lpDrvItemList == NULL)
{
lpDrvItemList = lpnewdrv;
lpnewdrv->lpPrevItem = NULL;
}
else
{
lpdrv->lpNextItem = lpnewdrv;
lpnewdrv->lpPrevItem = lpdrv;
}
SendDriverMessage( hDrvr, DRV_LOAD, 0L, lParam );
SendDriverMessage( hDrvr, DRV_ENABLE, 0L, lParam );
SendDriverMessage( hDrvr, DRV_OPEN, 0L, lParam );
dprintf_driver( stddeb, "OpenDriver // hDrvr=%04x loaded !\n", hDrvr );
return hDrvr;
}
/**************************************************************************
* CloseDriver [USER.253]
*/
LRESULT CloseDriver(HDRVR16 hDrvr, LPARAM lParam1, LPARAM lParam2)
{
LPDRIVERITEM lpdrv;
dprintf_driver( stddeb, "CloseDriver(%04x, %08lX, %08lX);\n",
hDrvr, lParam1, lParam2 );
lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
if (lpdrv != NULL && lpdrv->dis.hDriver == hDrvr)
{
SendDriverMessage( hDrvr, DRV_CLOSE, lParam1, lParam2 );
if (--lpdrv->count == 0)
{
SendDriverMessage( hDrvr, DRV_DISABLE, lParam1, lParam2 );
SendDriverMessage( hDrvr, DRV_FREE, lParam1, lParam2 );
if (lpdrv->lpPrevItem)
lpdrv->lpPrevItem->lpNextItem = lpdrv->lpNextItem;
else
lpDrvItemList = lpdrv->lpNextItem;
if (lpdrv->lpNextItem)
lpdrv->lpNextItem->lpPrevItem = lpdrv->lpPrevItem;
FreeModule16( lpdrv->dis.hModule );
GlobalUnlock16( hDrvr );
GlobalFree16( hDrvr );
}
dprintf_driver( stddeb, "CloseDriver // hDrvr=%04x closed !\n",
hDrvr );
return TRUE;
}
return FALSE;
}
/**************************************************************************
* GetDriverModuleHandle [USER.254]
*/
HMODULE16 GetDriverModuleHandle(HDRVR16 hDrvr)
{
LPDRIVERITEM lpdrv;
HMODULE16 hModule = 0;
dprintf_driver( stddeb, "GetDriverModuleHandle(%04x);\n", hDrvr);
lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
if (lpdrv != NULL && lpdrv->dis.hDriver == hDrvr)
{
hModule = lpdrv->dis.hModule;
GlobalUnlock16( hDrvr );
}
return hModule;
}
/**************************************************************************
* DefDriverProc [USER.255]
*/
LRESULT DefDriverProc(DWORD dwDevID, HDRVR16 hDriv, UINT16 wMsg,
LPARAM lParam1, LPARAM lParam2)
{
switch(wMsg)
{
case DRV_LOAD:
return (LRESULT)0L;
case DRV_FREE:
return (LRESULT)0L;
case DRV_OPEN:
return (LRESULT)0L;
case DRV_CLOSE:
return (LRESULT)0L;
case DRV_ENABLE:
return (LRESULT)0L;
case DRV_DISABLE:
return (LRESULT)0L;
case DRV_QUERYCONFIGURE:
return (LRESULT)0L;
case DRV_CONFIGURE:
MessageBox16( 0, "Driver isn't configurable !", "Wine Driver", MB_OK );
return (LRESULT)0L;
case DRV_INSTALL:
return (LRESULT)DRVCNF_RESTART;
case DRV_REMOVE:
return (LRESULT)DRVCNF_RESTART;
default:
return (LRESULT)0L;
}
}
/**************************************************************************
* GetDriverInfo [USER.256]
*/
BOOL16 GetDriverInfo(HDRVR16 hDrvr, LPDRIVERINFOSTRUCT16 lpDrvInfo)
{
LPDRIVERITEM lpdrv;
dprintf_driver( stddeb, "GetDriverInfo(%04x, %p);\n", hDrvr, lpDrvInfo );
if (lpDrvInfo == NULL) return FALSE;
lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
if (lpdrv == NULL) return FALSE;
memcpy( lpDrvInfo, &lpdrv->dis, sizeof(DRIVERINFOSTRUCT16) );
GlobalUnlock16( hDrvr );
return TRUE;
}
/**************************************************************************
* GetNextDriver [USER.257]
*/
HDRVR16 GetNextDriver(HDRVR16 hDrvr, DWORD dwFlags)
{
LPDRIVERITEM lpdrv;
HDRVR16 hRetDrv = 0;
dprintf_driver( stddeb, "GetNextDriver(%04x, %08lX);\n", hDrvr, dwFlags );
if (hDrvr == 0)
{
if (lpDrvItemList == NULL)
{
dprintf_driver(stddeb, "GetNextDriver // drivers list empty !\n");
LoadStartupDrivers();
if (lpDrvItemList == NULL) return 0;
}
dprintf_driver( stddeb,"GetNextDriver // return first %04x !\n",
lpDrvItemList->dis.hDriver );
return lpDrvItemList->dis.hDriver;
}
lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
if (lpdrv != NULL)
{
if (dwFlags & GND_REVERSE)
{
if (lpdrv->lpPrevItem)
hRetDrv = lpdrv->lpPrevItem->dis.hDriver;
}
else
{
if (lpdrv->lpNextItem)
hRetDrv = lpdrv->lpNextItem->dis.hDriver;
}
GlobalUnlock16( hDrvr );
}
dprintf_driver( stddeb, "GetNextDriver // return %04x !\n", hRetDrv );
return hRetDrv;
}