--- /dev/null
+/* -*- tab-width: 8; c-basic-offset: 4 -*- */
+
+/*
+ * WINE Drivers functions
+ *
+ * Copyright 1994 Martin Ayotte
+ * Copyright 1998 Marcus Meissner
+ * Copyright 1999 Eric Pouech
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef __WINE_FOR_REACTOS__
+
+#include "internal.h"
+#include <windows.h>
+#include <wine/windef16.h>
+typedef UINT *LPUINT;
+
+#else
+
+#include "heap.h"
+#include "windef.h"
+#include "wingdi.h"
+#include "winuser.h"
+#include "wine/debug.h"
+
+#endif
+
+#include <string.h>
+#include "mmddk.h"
+#include "winemm.h"
+
+#ifndef __WINE_FOR_REACTOS__
+WINE_DEFAULT_DEBUG_CHANNEL(driver);
+#endif
+
+static LPWINE_DRIVER lpDrvItemList /* = NULL */;
+
+WINE_MMTHREAD* (*pFnGetMMThread16)(HANDLE16 h) /* = NULL */;
+LPWINE_DRIVER (*pFnOpenDriver16)(LPCSTR,LPCSTR,LPARAM) /* = NULL */;
+LRESULT (*pFnCloseDriver16)(HDRVR16,LPARAM,LPARAM) /* = NULL */;
+LRESULT (*pFnSendMessage16)(HDRVR16,UINT,LPARAM,LPARAM) /* = NULL */;
+
+/**************************************************************************
+ * DRIVER_GetNumberOfModuleRefs [internal]
+ *
+ * Returns the number of open drivers which share the same module.
+ */
+static unsigned DRIVER_GetNumberOfModuleRefs(HMODULE hModule, WINE_DRIVER** found)
+{
+ LPWINE_DRIVER lpDrv;
+ unsigned count = 0;
+
+ if (found) *found = NULL;
+ for (lpDrv = lpDrvItemList; lpDrv; lpDrv = lpDrv->lpNextItem)
+ {
+ if (!(lpDrv->dwFlags & WINE_GDF_16BIT) && lpDrv->d.d32.hModule == hModule)
+ {
+ if (found && !*found) *found = lpDrv;
+ count++;
+ }
+ }
+ return count;
+}
+
+/**************************************************************************
+ * DRIVER_FindFromHDrvr [internal]
+ *
+ * From a hDrvr being 32 bits, returns the WINE internal structure.
+ */
+LPWINE_DRIVER DRIVER_FindFromHDrvr(HDRVR hDrvr)
+{
+ LPWINE_DRIVER d = (LPWINE_DRIVER)hDrvr;
+
+ if (hDrvr && HeapValidate(GetProcessHeap(), 0, d) && d->dwMagic == WINE_DI_MAGIC) {
+ return d;
+ }
+ return NULL;
+}
+
+/**************************************************************************
+ * DRIVER_SendMessage [internal]
+ */
+static LRESULT inline DRIVER_SendMessage(LPWINE_DRIVER lpDrv, UINT msg,
+ LPARAM lParam1, LPARAM lParam2)
+{
+ LRESULT ret = 0;
+
+ if (lpDrv->dwFlags & WINE_GDF_16BIT) {
+ /* no need to check mmsystem presence: the driver must have been opened as a 16 bit one,
+ */
+ if (pFnSendMessage16)
+ ret = pFnSendMessage16(lpDrv->d.d16.hDriver16, msg, lParam1, lParam2);
+ } else {
+ TRACE("Before call32 proc=%p drvrID=%08lx hDrv=%p wMsg=%04x p1=%08lx p2=%08lx\n",
+ lpDrv->d.d32.lpDrvProc, lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
+ ret = lpDrv->d.d32.lpDrvProc(lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2);
+ TRACE("After call32 proc=%p drvrID=%08lx hDrv=%p wMsg=%04x p1=%08lx p2=%08lx => %08lx\n",
+ lpDrv->d.d32.lpDrvProc, lpDrv->d.d32.dwDriverID, (HDRVR)lpDrv, msg, lParam1, lParam2, ret);
+ }
+ return ret;
+}
+
+/**************************************************************************
+ * SendDriverMessage [WINMM.@]
+ * DrvSendMessage [WINMM.@]
+ */
+LRESULT WINAPI SendDriverMessage(HDRVR hDriver, UINT msg, LPARAM lParam1,
+ LPARAM lParam2)
+{
+ LPWINE_DRIVER lpDrv;
+ LRESULT retval = 0;
+
+ TRACE("(%p, %04X, %08lX, %08lX)\n", hDriver, msg, lParam1, lParam2);
+
+ if ((lpDrv = DRIVER_FindFromHDrvr(hDriver)) != NULL) {
+ retval = DRIVER_SendMessage(lpDrv, msg, lParam1, lParam2);
+ } else {
+ WARN("Bad driver handle %p\n", hDriver);
+ }
+ TRACE("retval = %ld\n", retval);
+
+ return retval;
+}
+
+/**************************************************************************
+ * DRIVER_RemoveFromList [internal]
+ *
+ * Generates all the logic to handle driver closure / deletion
+ * Removes a driver struct to the list of open drivers.
+ */
+static BOOL DRIVER_RemoveFromList(LPWINE_DRIVER lpDrv)
+{
+ if (!(lpDrv->dwFlags & WINE_GDF_16BIT)) {
+ /* last of this driver in list ? */
+ if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, NULL) == 1) {
+ DRIVER_SendMessage(lpDrv, DRV_DISABLE, 0L, 0L);
+ DRIVER_SendMessage(lpDrv, DRV_FREE, 0L, 0L);
+ }
+ }
+
+ if (lpDrv->lpPrevItem)
+ lpDrv->lpPrevItem->lpNextItem = lpDrv->lpNextItem;
+ else
+ lpDrvItemList = lpDrv->lpNextItem;
+ if (lpDrv->lpNextItem)
+ lpDrv->lpNextItem->lpPrevItem = lpDrv->lpPrevItem;
+ /* trash magic number */
+ lpDrv->dwMagic ^= 0xa5a5a5a5;
+
+ return TRUE;
+}
+
+/**************************************************************************
+ * DRIVER_AddToList [internal]
+ *
+ * Adds a driver struct to the list of open drivers.
+ * Generates all the logic to handle driver creation / open.
+ */
+static BOOL DRIVER_AddToList(LPWINE_DRIVER lpNewDrv, LPARAM lParam1, LPARAM lParam2)
+{
+ lpNewDrv->dwMagic = WINE_DI_MAGIC;
+ /* First driver to be loaded for this module, need to load correctly the module */
+ if (!(lpNewDrv->dwFlags & WINE_GDF_16BIT)) {
+ /* first of this driver in list ? */
+ if (DRIVER_GetNumberOfModuleRefs(lpNewDrv->d.d32.hModule, NULL) == 0) {
+ if (DRIVER_SendMessage(lpNewDrv, DRV_LOAD, 0L, 0L) != DRV_SUCCESS) {
+ TRACE("DRV_LOAD failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
+ return FALSE;
+ }
+ /* returned value is not checked */
+ DRIVER_SendMessage(lpNewDrv, DRV_ENABLE, 0L, 0L);
+ }
+ }
+
+ lpNewDrv->lpNextItem = NULL;
+ if (lpDrvItemList == NULL) {
+ lpDrvItemList = lpNewDrv;
+ lpNewDrv->lpPrevItem = NULL;
+ } else {
+ LPWINE_DRIVER lpDrv = lpDrvItemList; /* find end of list */
+ while (lpDrv->lpNextItem != NULL)
+ lpDrv = lpDrv->lpNextItem;
+
+ lpDrv->lpNextItem = lpNewDrv;
+ lpNewDrv->lpPrevItem = lpDrv;
+ }
+
+ if (!(lpNewDrv->dwFlags & WINE_GDF_16BIT)) {
+ /* Now just open a new instance of a driver on this module */
+ lpNewDrv->d.d32.dwDriverID = DRIVER_SendMessage(lpNewDrv, DRV_OPEN, lParam1, lParam2);
+
+ if (lpNewDrv->d.d32.dwDriverID == 0) {
+ TRACE("DRV_OPEN failed on driver 0x%08lx\n", (DWORD)lpNewDrv);
+ DRIVER_RemoveFromList(lpNewDrv);
+ return FALSE;
+ }
+ }
+ return TRUE;
+}
+
+/**************************************************************************
+ * DRIVER_GetLibName [internal]
+ *
+ */
+BOOL DRIVER_GetLibName(LPCSTR keyName, LPCSTR sectName, LPSTR buf, int sz)
+{
+ /* should also do some registry diving */
+ return GetPrivateProfileStringA(sectName, keyName, "", buf, sz, "SYSTEM.INI");
+}
+
+/**************************************************************************
+ * DRIVER_TryOpenDriver32 [internal]
+ *
+ * Tries to load a 32 bit driver whose DLL's (module) name is fn
+ */
+LPWINE_DRIVER DRIVER_TryOpenDriver32(LPCSTR fn, LPARAM lParam2)
+{
+ LPWINE_DRIVER lpDrv = NULL;
+ HMODULE hModule = 0;
+ LPSTR ptr;
+ LPCSTR cause = 0;
+
+ TRACE("(%s, %08lX);\n", debugstr_a(fn), lParam2);
+
+ if ((ptr = strchr(fn, ' ')) != NULL) {
+ *ptr++ = '\0';
+ while (*ptr == ' ') ptr++;
+ if (*ptr == '\0') ptr = NULL;
+ }
+
+ lpDrv = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_DRIVER));
+ if (lpDrv == NULL) {cause = "OOM"; goto exit;}
+
+ if ((hModule = LoadLibraryA(fn)) == 0) {cause = "Not a 32 bit lib"; goto exit;}
+
+ lpDrv->d.d32.lpDrvProc = (DRIVERPROC)GetProcAddress(hModule, "DriverProc");
+ if (lpDrv->d.d32.lpDrvProc == NULL) {cause = "no DriverProc"; goto exit;}
+
+ lpDrv->dwFlags = 0;
+ lpDrv->d.d32.hModule = hModule;
+ lpDrv->d.d32.dwDriverID = 0;
+
+ /* Win32 installable drivers must support a two phase opening scheme:
+ * + first open with NULL as lParam2 (session instance),
+ * + then do a second open with the real non null lParam2)
+ */
+ if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, NULL) == 0 && lParam2)
+ {
+ LPWINE_DRIVER ret;
+
+ if (!DRIVER_AddToList(lpDrv, (LPARAM)ptr, 0L))
+ {
+ cause = "load0 failed";
+ goto exit;
+ }
+ ret = DRIVER_TryOpenDriver32(fn, lParam2);
+ if (!ret)
+ {
+ CloseDriver((HDRVR)lpDrv, 0L, 0L);
+ cause = "load1 failed";
+ goto exit;
+ }
+ return ret;
+ }
+
+ if (!DRIVER_AddToList(lpDrv, (LPARAM)ptr, lParam2))
+ {cause = "load failed"; goto exit;}
+
+ TRACE("=> %p\n", lpDrv);
+ return lpDrv;
+ exit:
+ FreeLibrary(hModule);
+ HeapFree(GetProcessHeap(), 0, lpDrv);
+ TRACE("Unable to load 32 bit module %s: %s\n", debugstr_a(fn), cause);
+ return NULL;
+}
+
+/**************************************************************************
+ * OpenDriverA [WINMM.@]
+ * DrvOpenA [WINMM.@]
+ * (0,1,DRV_LOAD ,0 ,0)
+ * (0,1,DRV_ENABLE,0 ,0)
+ * (0,1,DRV_OPEN ,buf[256],0)
+ */
+HDRVR WINAPI OpenDriverA(LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam2)
+{
+ LPWINE_DRIVER lpDrv = NULL;
+ char libName[128];
+ LPCSTR lsn = lpSectionName;
+
+ TRACE("(%s, %s, 0x%08lx);\n", debugstr_a(lpDriverName), debugstr_a(lpSectionName), lParam2);
+
+ if (lsn == NULL) {
+ lstrcpynA(libName, lpDriverName, sizeof(libName));
+
+ if ((lpDrv = DRIVER_TryOpenDriver32(libName, lParam2)))
+ goto the_end;
+ lsn = "Drivers32";
+ }
+ if (DRIVER_GetLibName(lpDriverName, lsn, libName, sizeof(libName)) &&
+ (lpDrv = DRIVER_TryOpenDriver32(libName, lParam2)))
+ goto the_end;
+
+ /* now we will try a 16 bit driver (and add all the glue to make it work... which
+ * is located in our mmsystem implementation)
+ * so ensure, we can load our mmsystem, otherwise just fail
+ */
+ WINMM_CheckForMMSystem();
+ if (pFnOpenDriver16 &&
+ (lpDrv = pFnOpenDriver16(lpDriverName, lpSectionName, lParam2)))
+ {
+ if (DRIVER_AddToList(lpDrv, 0, lParam2)) goto the_end;
+ HeapFree(GetProcessHeap(), 0, lpDrv);
+ }
+ TRACE("Failed to open driver %s from system.ini file, section %s\n", debugstr_a(lpDriverName), debugstr_a(lpSectionName));
+ return 0;
+
+ the_end:
+ if (lpDrv) TRACE("=> %08lx\n", (DWORD)lpDrv);
+ return (HDRVR)lpDrv;
+}
+
+/**************************************************************************
+ * OpenDriver [WINMM.@]
+ * DrvOpen [WINMM.@]
+ */
+HDRVR WINAPI OpenDriverW(LPCWSTR lpDriverName, LPCWSTR lpSectionName, LPARAM lParam)
+{
+ LPSTR dn = HEAP_strdupWtoA(GetProcessHeap(), 0, lpDriverName);
+ LPSTR sn = HEAP_strdupWtoA(GetProcessHeap(), 0, lpSectionName);
+ HDRVR ret = OpenDriverA(dn, sn, lParam);
+
+ if (dn) HeapFree(GetProcessHeap(), 0, dn);
+ if (sn) HeapFree(GetProcessHeap(), 0, sn);
+ return ret;
+}
+
+/**************************************************************************
+ * CloseDriver [WINMM.@]
+ * DrvClose [WINMM.@]
+ */
+LRESULT WINAPI CloseDriver(HDRVR hDrvr, LPARAM lParam1, LPARAM lParam2)
+{
+ LPWINE_DRIVER lpDrv;
+
+ TRACE("(%p, %08lX, %08lX);\n", hDrvr, lParam1, lParam2);
+
+ if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL)
+ {
+ if (lpDrv->dwFlags & WINE_GDF_16BIT)
+ {
+ if (pFnCloseDriver16)
+ pFnCloseDriver16(lpDrv->d.d16.hDriver16, lParam1, lParam2);
+ }
+ else
+ {
+ DRIVER_SendMessage(lpDrv, DRV_CLOSE, lParam1, lParam2);
+ lpDrv->d.d32.dwDriverID = 0;
+ }
+ if (DRIVER_RemoveFromList(lpDrv)) {
+ if (!(lpDrv->dwFlags & WINE_GDF_16BIT))
+ {
+ LPWINE_DRIVER lpDrv0;
+
+ /* if driver has an opened session instance, we have to close it too */
+ if (DRIVER_GetNumberOfModuleRefs(lpDrv->d.d32.hModule, &lpDrv0) == 1)
+ {
+ DRIVER_SendMessage(lpDrv0, DRV_CLOSE, 0L, 0L);
+ lpDrv0->d.d32.dwDriverID = 0;
+ DRIVER_RemoveFromList(lpDrv0);
+ FreeLibrary(lpDrv->d.d32.hModule);
+ HeapFree(GetProcessHeap(), 0, lpDrv0);
+ }
+ FreeLibrary(lpDrv->d.d32.hModule);
+ }
+ HeapFree(GetProcessHeap(), 0, lpDrv);
+ return TRUE;
+ }
+ }
+ WARN("Failed to close driver\n");
+ return FALSE;
+}
+
+/**************************************************************************
+ * GetDriverFlags [WINMM.@]
+ * [in] hDrvr handle to the driver
+ *
+ * Returns:
+ * 0x00000000 if hDrvr is an invalid handle
+ * 0x80000000 if hDrvr is a valid 32 bit driver
+ * 0x90000000 if hDrvr is a valid 16 bit driver
+ *
+ * native WINMM doesn't return those flags
+ * 0x80000000 for a valid 32 bit driver and that's it
+ * (I may have mixed up the two flags :-(
+ */
+DWORD WINAPI GetDriverFlags(HDRVR hDrvr)
+{
+ LPWINE_DRIVER lpDrv;
+ DWORD ret = 0;
+
+ TRACE("(%p)\n", hDrvr);
+
+ if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL) {
+ ret = WINE_GDF_EXIST | lpDrv->dwFlags;
+ }
+ return ret;
+}
+
+/**************************************************************************
+ * GetDriverModuleHandle [WINMM.@]
+ * DrvGetModuleHandle [WINMM.@]
+ */
+HMODULE WINAPI GetDriverModuleHandle(HDRVR hDrvr)
+{
+ LPWINE_DRIVER lpDrv;
+ HMODULE hModule = 0;
+
+ TRACE("(%p);\n", hDrvr);
+
+ if ((lpDrv = DRIVER_FindFromHDrvr(hDrvr)) != NULL) {
+ if (!(lpDrv->dwFlags & WINE_GDF_16BIT))
+ hModule = lpDrv->d.d32.hModule;
+ }
+ TRACE("=> %p\n", hModule);
+ return hModule;
+}
+
+/**************************************************************************
+ * DefDriverProc [WINMM.@]
+ * DrvDefDriverProc [WINMM.@]
+ */
+LRESULT WINAPI DefDriverProc(DWORD 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);
+}
git://git.jankratochvil.net / reactos.git / blobdiff