mirror of
git://source.winehq.org/git/wine.git
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567 lines
17 KiB
C
567 lines
17 KiB
C
/* -*- tab-width: 8; c-basic-offset: 4 -*- */
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/*
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* WINE Drivers functions
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*
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* Copyright 1994 Martin Ayotte
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* Copyright 1998 Marcus Meissner
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* Copyright 1999 Eric Pouech
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winnls.h"
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#include "winreg.h"
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#include "mmddk.h"
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#include "winemm.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(driver);
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#define HKLM_BASE "Software\\Microsoft\\Windows NT\\CurrentVersion"
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static LPWINE_DRIVER lpDrvItemList /* = NULL */;
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WINE_MMTHREAD* (*pFnGetMMThread16)(UINT16 h) /* = NULL */;
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LPWINE_DRIVER (*pFnOpenDriver16)(LPCSTR,LPCSTR,LPARAM) /* = NULL */;
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LRESULT (*pFnCloseDriver16)(UINT16,LPARAM,LPARAM) /* = NULL */;
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LRESULT (*pFnSendMessage16)(UINT16,UINT,LPARAM,LPARAM) /* = NULL */;
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/**************************************************************************
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* DRIVER_GetNumberOfModuleRefs [internal]
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*
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* Returns the number of open drivers which share the same module.
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*/
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static unsigned DRIVER_GetNumberOfModuleRefs(HMODULE hModule, WINE_DRIVER** found)
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{
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LPWINE_DRIVER lpDrv;
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unsigned count = 0;
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if (found) *found = NULL;
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for (lpDrv = lpDrvItemList; lpDrv; lpDrv = lpDrv->lpNextItem)
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{
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if (!(lpDrv->dwFlags & WINE_GDF_16BIT) && lpDrv->d.d32.hModule == hModule)
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{
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if (found && !*found) *found = lpDrv;
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count++;
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}
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}
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return count;
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}
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/**************************************************************************
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* DRIVER_FindFromHDrvr [internal]
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*
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* From a hDrvr being 32 bits, returns the WINE internal structure.
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*/
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LPWINE_DRIVER DRIVER_FindFromHDrvr(HDRVR hDrvr)
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{
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LPWINE_DRIVER d = (LPWINE_DRIVER)hDrvr;
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if (hDrvr && HeapValidate(GetProcessHeap(), 0, d) && d->dwMagic == WINE_DI_MAGIC) {
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return d;
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}
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return NULL;
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}
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/**************************************************************************
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* DRIVER_SendMessage [internal]
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*/
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static LRESULT inline DRIVER_SendMessage(LPWINE_DRIVER lpDrv, UINT msg,
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LPARAM lParam1, LPARAM lParam2)
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{
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LRESULT ret = 0;
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if (lpDrv->dwFlags & WINE_GDF_16BIT) {
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/* no need to check mmsystem presence: the driver must have been opened as a 16 bit one,
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*/
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if (pFnSendMessage16)
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ret = pFnSendMessage16(lpDrv->d.d16.hDriver16, msg, lParam1, lParam2);
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} else {
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TRACE("Before call32 proc=%p drvrID=%08lx hDrv=%p wMsg=%04x p1=%08lx p2=%08lx\n",
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lpDrv->d.d32.lpDrvProc, lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
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ret = lpDrv->d.d32.lpDrvProc(lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
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TRACE("After call32 proc=%p drvrID=%08lx hDrv=%p wMsg=%04x p1=%08lx p2=%08lx => %08lx\n",
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lpDrv->d.d32.lpDrvProc, lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2, ret);
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}
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return ret;
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}
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/**************************************************************************
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* SendDriverMessage [WINMM.@]
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* DrvSendMessage [WINMM.@]
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*/
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LRESULT WINAPI SendDriverMessage(HDRVR hDriver, UINT msg, LPARAM lParam1,
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LPARAM lParam2)
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{
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LPWINE_DRIVER lpDrv;
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LRESULT retval = 0;
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TRACE("(%p, %04X, %08lX, %08lX)\n", hDriver, msg, lParam1, lParam2);
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if ((lpDrv = DRIVER_FindFromHDrvr(hDriver)) != NULL) {
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retval = DRIVER_SendMessage(lpDrv, msg, lParam1, lParam2);
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} else {
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WARN("Bad driver handle %p\n", hDriver);
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}
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TRACE("retval = %ld\n", retval);
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return retval;
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}
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/**************************************************************************
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* DRIVER_RemoveFromList [internal]
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*
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* Generates all the logic to handle driver closure / deletion
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* Removes a driver struct to the list of open drivers.
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*/
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static BOOL DRIVER_RemoveFromList(LPWINE_DRIVER lpDrv)
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{
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if (!(lpDrv->dwFlags & WINE_GDF_16BIT)) {
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/* last of this driver in list ? */
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if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, NULL) == 1) {
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DRIVER_SendMessage(lpDrv, DRV_DISABLE, 0L, 0L);
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DRIVER_SendMessage(lpDrv, DRV_FREE, 0L, 0L);
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}
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}
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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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/* trash magic number */
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lpDrv->dwMagic ^= 0xa5a5a5a5;
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return TRUE;
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}
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/**************************************************************************
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* DRIVER_AddToList [internal]
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*
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* Adds a driver struct to the list of open drivers.
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* Generates all the logic to handle driver creation / open.
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*/
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static BOOL DRIVER_AddToList(LPWINE_DRIVER lpNewDrv, LPARAM lParam1, LPARAM lParam2)
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{
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lpNewDrv->dwMagic = WINE_DI_MAGIC;
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/* First driver to be loaded for this module, need to load correctly the module */
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if (!(lpNewDrv->dwFlags & WINE_GDF_16BIT)) {
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/* first of this driver in list ? */
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if (DRIVER_GetNumberOfModuleRefs(lpNewDrv->d.d32.hModule, NULL) == 0) {
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if (DRIVER_SendMessage(lpNewDrv, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) {
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TRACE("DRV_LOAD failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
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return FALSE;
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}
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/* returned value is not checked */
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DRIVER_SendMessage(lpNewDrv, DRV_ENABLE, 0L, 0L);
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}
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}
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lpNewDrv->lpNextItem = NULL;
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if (lpDrvItemList == NULL) {
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lpDrvItemList = lpNewDrv;
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lpNewDrv->lpPrevItem = NULL;
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} else {
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LPWINE_DRIVER lpDrv = lpDrvItemList; /* find end of list */
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while (lpDrv->lpNextItem != NULL)
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lpDrv = lpDrv->lpNextItem;
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lpDrv->lpNextItem = lpNewDrv;
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lpNewDrv->lpPrevItem = lpDrv;
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}
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if (!(lpNewDrv->dwFlags & WINE_GDF_16BIT)) {
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/* Now just open a new instance of a driver on this module */
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lpNewDrv->d.d32.dwDriverID = DRIVER_SendMessage(lpNewDrv, DRV_OPEN, lParam1, lParam2);
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if (lpNewDrv->d.d32.dwDriverID == 0) {
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TRACE("DRV_OPEN failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
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DRIVER_RemoveFromList(lpNewDrv);
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return FALSE;
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}
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}
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return TRUE;
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}
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/**************************************************************************
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* DRIVER_GetLibName [internal]
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*
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*/
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BOOL DRIVER_GetLibName(LPCSTR keyName, LPCSTR sectName, LPSTR buf, int sz)
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{
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HKEY hKey, hSecKey;
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DWORD bufLen, lRet;
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lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_BASE, 0, KEY_QUERY_VALUE, &hKey);
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if (lRet == ERROR_SUCCESS) {
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lRet = RegOpenKeyExA(hKey, sectName, 0, KEY_QUERY_VALUE, &hSecKey);
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if (lRet == ERROR_SUCCESS) {
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lRet = RegQueryValueExA(hSecKey, keyName, 0, 0, buf, &bufLen);
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RegCloseKey( hSecKey );
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}
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RegCloseKey( hKey );
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}
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if (lRet == ERROR_SUCCESS) return TRUE;
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/* default to system.ini if we can't find it in the registry,
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* to support native installations where system.ini is still used */
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return GetPrivateProfileStringA(sectName, keyName, "", buf, sz, "SYSTEM.INI");
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}
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/**************************************************************************
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* DRIVER_TryOpenDriver32 [internal]
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*
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* Tries to load a 32 bit driver whose DLL's (module) name is fn
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*/
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LPWINE_DRIVER DRIVER_TryOpenDriver32(LPCSTR fn, LPARAM lParam2)
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{
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LPWINE_DRIVER lpDrv = NULL;
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HMODULE hModule = 0;
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LPSTR ptr;
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LPCSTR cause = 0;
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TRACE("(%s, %08lX);\n", debugstr_a(fn), lParam2);
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if ((ptr = strchr(fn, ' ')) != NULL) {
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*ptr++ = '\0';
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while (*ptr == ' ') ptr++;
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if (*ptr == '\0') ptr = NULL;
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}
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lpDrv = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_DRIVER));
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if (lpDrv == NULL) {cause = "OOM"; goto exit;}
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if ((hModule = LoadLibraryA(fn)) == 0) {cause = "Not a 32 bit lib"; goto exit;}
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lpDrv->d.d32.lpDrvProc = (DRIVERPROC)GetProcAddress(hModule, "DriverProc");
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if (lpDrv->d.d32.lpDrvProc == NULL) {cause = "no DriverProc"; goto exit;}
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lpDrv->dwFlags = 0;
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lpDrv->d.d32.hModule = hModule;
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lpDrv->d.d32.dwDriverID = 0;
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/* Win32 installable drivers must support a two phase opening scheme:
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* + first open with NULL as lParam2 (session instance),
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* + then do a second open with the real non null lParam2)
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*/
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if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, NULL) == 0 && lParam2)
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{
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LPWINE_DRIVER ret;
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if (!DRIVER_AddToList(lpDrv, (LPARAM)ptr, 0L))
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{
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cause = "load0 failed";
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goto exit;
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}
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ret = DRIVER_TryOpenDriver32(fn, lParam2);
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if (!ret)
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{
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CloseDriver((HDRVR)lpDrv, 0L, 0L);
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cause = "load1 failed";
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goto exit;
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}
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return ret;
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}
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if (!DRIVER_AddToList(lpDrv, (LPARAM)ptr, lParam2))
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{cause = "load failed"; goto exit;}
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TRACE("=> %p\n", lpDrv);
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return lpDrv;
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exit:
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FreeLibrary(hModule);
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HeapFree(GetProcessHeap(), 0, lpDrv);
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TRACE("Unable to load 32 bit module %s: %s\n", debugstr_a(fn), cause);
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return NULL;
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}
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/**************************************************************************
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* OpenDriverA [WINMM.@]
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* DrvOpenA [WINMM.@]
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* (0,1,DRV_LOAD ,0 ,0)
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* (0,1,DRV_ENABLE,0 ,0)
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* (0,1,DRV_OPEN ,buf[256],0)
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*/
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HDRVR WINAPI OpenDriverA(LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam2)
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{
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LPWINE_DRIVER lpDrv = NULL;
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char libName[128];
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LPCSTR lsn = lpSectionName;
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TRACE("(%s, %s, 0x%08lx);\n", debugstr_a(lpDriverName), debugstr_a(lpSectionName), lParam2);
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if (lsn == NULL) {
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lstrcpynA(libName, lpDriverName, sizeof(libName));
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if ((lpDrv = DRIVER_TryOpenDriver32(libName, lParam2)))
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goto the_end;
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lsn = "Drivers32";
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}
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if (DRIVER_GetLibName(lpDriverName, lsn, libName, sizeof(libName)) &&
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(lpDrv = DRIVER_TryOpenDriver32(libName, lParam2)))
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goto the_end;
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/* now we will try a 16 bit driver (and add all the glue to make it work... which
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* is located in our mmsystem implementation)
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* so ensure, we can load our mmsystem, otherwise just fail
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*/
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WINMM_CheckForMMSystem();
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if (pFnOpenDriver16 &&
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(lpDrv = pFnOpenDriver16(lpDriverName, lpSectionName, lParam2)))
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{
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if (DRIVER_AddToList(lpDrv, 0, lParam2)) goto the_end;
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HeapFree(GetProcessHeap(), 0, lpDrv);
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}
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TRACE("Failed to open driver %s from system.ini file, section %s\n", debugstr_a(lpDriverName), debugstr_a(lpSectionName));
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return 0;
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the_end:
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if (lpDrv) TRACE("=> %08lx\n", (DWORD)lpDrv);
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return (HDRVR)lpDrv;
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}
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/**************************************************************************
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* OpenDriver [WINMM.@]
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* DrvOpen [WINMM.@]
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*/
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HDRVR WINAPI OpenDriverW(LPCWSTR lpDriverName, LPCWSTR lpSectionName, LPARAM lParam)
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{
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INT len;
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LPSTR dn = NULL;
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LPSTR sn = NULL;
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HDRVR ret;
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if (lpDriverName)
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{
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len = WideCharToMultiByte( CP_ACP, 0, lpDriverName, -1, NULL, 0, NULL, NULL );
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dn = HeapAlloc( GetProcessHeap(), 0, len );
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if (!dn) return 0;
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WideCharToMultiByte( CP_ACP, 0, lpDriverName, -1, dn, len, NULL, NULL );
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}
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if (lpSectionName)
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{
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len = WideCharToMultiByte( CP_ACP, 0, lpSectionName, -1, NULL, 0, NULL, NULL );
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sn = HeapAlloc( GetProcessHeap(), 0, len );
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if (!sn) return 0;
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WideCharToMultiByte( CP_ACP, 0, lpSectionName, -1, sn, len, NULL, NULL );
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}
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ret = OpenDriverA(dn, sn, lParam);
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if (dn) HeapFree(GetProcessHeap(), 0, dn);
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if (sn) HeapFree(GetProcessHeap(), 0, sn);
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return ret;
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}
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/**************************************************************************
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* CloseDriver [WINMM.@]
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* DrvClose [WINMM.@]
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*/
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LRESULT WINAPI CloseDriver(HDRVR hDrvr, LPARAM lParam1, LPARAM lParam2)
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{
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LPWINE_DRIVER lpDrv;
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TRACE("(%p, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
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if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL)
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{
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if (lpDrv->dwFlags & WINE_GDF_16BIT)
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{
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if (pFnCloseDriver16)
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pFnCloseDriver16(lpDrv->d.d16.hDriver16, lParam1, lParam2);
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}
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else
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{
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DRIVER_SendMessage(lpDrv, DRV_CLOSE, lParam1, lParam2);
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lpDrv->d.d32.dwDriverID = 0;
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}
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if (DRIVER_RemoveFromList(lpDrv)) {
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if (!(lpDrv->dwFlags & WINE_GDF_16BIT))
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{
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LPWINE_DRIVER lpDrv0;
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/* if driver has an opened session instance, we have to close it too */
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if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, &lpDrv0) == 1)
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{
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DRIVER_SendMessage(lpDrv0, DRV_CLOSE, 0L, 0L);
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lpDrv0->d.d32.dwDriverID = 0;
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DRIVER_RemoveFromList(lpDrv0);
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FreeLibrary(lpDrv0->d.d32.hModule);
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HeapFree(GetProcessHeap(), 0, lpDrv0);
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}
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FreeLibrary(lpDrv->d.d32.hModule);
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}
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HeapFree(GetProcessHeap(), 0, lpDrv);
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return TRUE;
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}
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}
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WARN("Failed to close driver\n");
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return FALSE;
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}
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/**************************************************************************
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* GetDriverFlags [WINMM.@]
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* [in] hDrvr handle to the driver
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*
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* Returns:
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* 0x00000000 if hDrvr is an invalid handle
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* 0x80000000 if hDrvr is a valid 32 bit driver
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* 0x90000000 if hDrvr is a valid 16 bit driver
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*
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* native WINMM doesn't return those flags
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* 0x80000000 for a valid 32 bit driver and that's it
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* (I may have mixed up the two flags :-(
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*/
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DWORD WINAPI GetDriverFlags(HDRVR hDrvr)
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{
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LPWINE_DRIVER lpDrv;
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DWORD ret = 0;
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TRACE("(%p)\n", hDrvr);
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if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL) {
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ret = WINE_GDF_EXIST | lpDrv->dwFlags;
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}
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return ret;
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}
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/**************************************************************************
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* GetDriverModuleHandle [WINMM.@]
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* DrvGetModuleHandle [WINMM.@]
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*/
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HMODULE WINAPI GetDriverModuleHandle(HDRVR hDrvr)
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{
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LPWINE_DRIVER lpDrv;
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HMODULE hModule = 0;
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TRACE("(%p);\n", hDrvr);
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if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL) {
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if (!(lpDrv->dwFlags & WINE_GDF_16BIT))
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hModule = lpDrv->d.d32.hModule;
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}
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TRACE("=> %p\n", hModule);
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return hModule;
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}
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/**************************************************************************
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* DefDriverProc [WINMM.@]
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* DrvDefDriverProc [WINMM.@]
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|
*/
|
|
LRESULT WINAPI DefDriverProc(DWORD_PTR dwDriverIdentifier, HDRVR hDrv,
|
|
UINT Msg, LPARAM lParam1, LPARAM lParam2)
|
|
{
|
|
switch (Msg) {
|
|
case DRV_LOAD:
|
|
case DRV_FREE:
|
|
case DRV_ENABLE:
|
|
case DRV_DISABLE:
|
|
return 1;
|
|
case DRV_INSTALL:
|
|
case DRV_REMOVE:
|
|
return DRV_SUCCESS;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/**************************************************************************
|
|
* DriverCallback [WINMM.@]
|
|
*/
|
|
BOOL WINAPI DriverCallback(DWORD dwCallBack, UINT uFlags, HDRVR hDev,
|
|
UINT wMsg, DWORD dwUser, DWORD dwParam1,
|
|
DWORD dwParam2)
|
|
{
|
|
TRACE("(%08lX, %04X, %p, %04X, %08lX, %08lX, %08lX); !\n",
|
|
dwCallBack, uFlags, hDev, wMsg, dwUser, dwParam1, dwParam2);
|
|
|
|
switch (uFlags & DCB_TYPEMASK) {
|
|
case DCB_NULL:
|
|
TRACE("Null !\n");
|
|
if (dwCallBack)
|
|
WARN("uFlags=%04X has null DCB value, but dwCallBack=%08lX is not null !\n", uFlags, dwCallBack);
|
|
break;
|
|
case DCB_WINDOW:
|
|
TRACE("Window(%04lX) handle=%p!\n", dwCallBack, hDev);
|
|
PostMessageA((HWND)dwCallBack, wMsg, (WPARAM)hDev, dwParam1);
|
|
break;
|
|
case DCB_TASK: /* aka DCB_THREAD */
|
|
TRACE("Task(%04lx) !\n", dwCallBack);
|
|
PostThreadMessageA(dwCallBack, wMsg, (WPARAM)hDev, dwParam1);
|
|
break;
|
|
case DCB_FUNCTION:
|
|
TRACE("Function (32 bit) !\n");
|
|
((LPDRVCALLBACK)dwCallBack)(hDev, wMsg, dwUser, dwParam1, dwParam2);
|
|
break;
|
|
case DCB_EVENT:
|
|
TRACE("Event(%08lx) !\n", dwCallBack);
|
|
SetEvent((HANDLE)dwCallBack);
|
|
break;
|
|
case 6: /* I would dub it DCB_MMTHREADSIGNAL */
|
|
/* this is an undocumented DCB_ value used for mmThreads
|
|
* loword of dwCallBack contains the handle of the lpMMThd block
|
|
* which dwSignalCount has to be incremented
|
|
*/
|
|
if (pFnGetMMThread16)
|
|
{
|
|
WINE_MMTHREAD* lpMMThd = pFnGetMMThread16(LOWORD(dwCallBack));
|
|
|
|
TRACE("mmThread (%04x, %p) !\n", LOWORD(dwCallBack), lpMMThd);
|
|
/* same as mmThreadSignal16 */
|
|
InterlockedIncrement(&lpMMThd->dwSignalCount);
|
|
SetEvent(lpMMThd->hEvent);
|
|
/* some other stuff on lpMMThd->hVxD */
|
|
}
|
|
break;
|
|
#if 0
|
|
case 4:
|
|
/* this is an undocumented DCB_ value for... I don't know */
|
|
break;
|
|
#endif
|
|
default:
|
|
WARN("Unknown callback type %d\n", uFlags & DCB_TYPEMASK);
|
|
return FALSE;
|
|
}
|
|
TRACE("Done\n");
|
|
return TRUE;
|
|
}
|
|
|
|
/******************************************************************
|
|
* DRIVER_UnloadAll
|
|
*
|
|
*
|
|
*/
|
|
void DRIVER_UnloadAll(void)
|
|
{
|
|
LPWINE_DRIVER lpDrv;
|
|
LPWINE_DRIVER lpNextDrv = NULL;
|
|
unsigned count = 0;
|
|
|
|
for (lpDrv = lpDrvItemList; lpDrv != NULL; lpDrv = lpNextDrv)
|
|
{
|
|
lpNextDrv = lpDrv->lpNextItem;
|
|
CloseDriver((HDRVR)lpDrv, 0, 0);
|
|
count++;
|
|
}
|
|
TRACE("Unloaded %u drivers\n", count);
|
|
}
|