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