windows/driver.c

   1 /*
   2  * WINE Drivers functions
   3  *
   4  * Copyright 1994 Martin Ayotte
   5  * Copyright 1998 Marcus Meissner
   6  */
   7
   8 #include "wine/winuser16.h"
   9 #include "heap.h"
  10 #include "win.h"
  11 #include "callback.h"
  12 #include "driver.h"
  13 #include "module.h"
  14 #include "debug.h"
  15 #include <string.h>
  16
  17 LPDRIVERITEM lpDrvItemList = NULL;
  18 LPDRIVERITEM32A lpDrvItemList32 = NULL;
  19
  20 /**************************************************************************
  21  *      LoadStartupDrivers
  22  */
  23 static void LoadStartupDrivers(void)
  24 {
  25     HDRVR16 hDrv;
  26     char  str[256];
  27     LPSTR ptr;
  28
  29     if (GetPrivateProfileString32A( "drivers", NULL, "", str, sizeof(str),
  30                                  "SYSTEM.INI" ) < 2)
  31     {
  32         ERR( driver,"Can't find drivers section in system.ini\n" );
  33         return;
  34     }
  35
  36     ptr = str;
  37     while (lstrlen32A( ptr ) != 0)
  38     {
  39         TRACE(driver, "str='%s'\n", ptr );
  40         hDrv = OpenDriver16( ptr, "drivers", 0L );
  41         TRACE(driver, "hDrv=%04x\n", hDrv );
  42         ptr += lstrlen32A(ptr) + 1;
  43     }
  44     TRACE(driver, "end of list !\n" );
  45     return;
  46 }
  47
  48 /**************************************************************************
  49  *                              SendDriverMessage               [USER.251]
  50  */
  51 LRESULT WINAPI SendDriverMessage16(HDRVR16 hDriver, UINT16 msg, LPARAM lParam1,
  52                                    LPARAM lParam2)
  53 {
  54     LPDRIVERITEM lpdrv;
  55     LRESULT retval;
  56
  57     TRACE(driver, "(%04x, %04X, %08lX, %08lX)\n",
  58                     hDriver, msg, lParam1, lParam2 );
  59
  60     lpdrv = (LPDRIVERITEM)GlobalLock16( hDriver );
  61     if (lpdrv == NULL || lpdrv->dis.hDriver != hDriver)
  62     {
  63         GlobalUnlock16( hDriver );
  64         return 0;
  65     }
  66
  67     retval = Callbacks->CallDriverProc( lpdrv->lpDrvProc, 0L /* FIXME */,
  68                                         hDriver, msg, lParam1, lParam2 );
  69
  70     TRACE(driver, "retval = %ld\n", retval );
  71
  72     GlobalUnlock16( hDriver );
  73     return retval;
  74 }
  75
  76 /**************************************************************************
  77  *                              SendDriverMessage               [WINMM.19]
  78  */
  79 LRESULT WINAPI SendDriverMessage32(HDRVR32 hDriver, UINT32 msg, LPARAM lParam1,
  80                                    LPARAM lParam2)
  81 {
  82     LPDRIVERITEM32A lpdrv;
  83     LRESULT retval;
  84
  85     TRACE(driver, "(%04x, %04X, %08lX, %08lX)\n",
  86                     hDriver, msg, lParam1, lParam2 );
  87
  88     lpdrv = (LPDRIVERITEM32A)hDriver;
  89     if (!lpdrv)
  90         return 0;
  91
  92     retval = lpdrv->driverproc(lpdrv->dis.hDriver,hDriver,msg,lParam1,lParam2);
  93
  94     TRACE(driver, "retval = %ld\n", retval );
  95
  96     return retval;
  97 }
  98
  99 /**************************************************************************
 100  *                              OpenDriver                      [USER.252]
 101  */
 102 HDRVR16 WINAPI OpenDriver16(
 103         LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam
 104 ) {
 105     HDRVR16 hDrvr;
 106     LPDRIVERITEM lpdrv, lpnewdrv;
 107     char DrvName[128];
 108
 109     TRACE(driver,"('%s', '%s', %08lX);\n",
 110                     lpDriverName, lpSectionName, lParam );
 111
 112     if (lpSectionName == NULL) {
 113         lstrcpyn32A(DrvName,lpDriverName,sizeof(DrvName));
 114         FIXME(driver,"sectionname NULL, assuming directfilename (%s)\n",lpDriverName);
 115     } else {
 116         GetPrivateProfileString32A( lpSectionName, lpDriverName, "", DrvName,
 117                                      sizeof(DrvName), "SYSTEM.INI" );
 118     }
 119     TRACE(driver,"DrvName='%s'\n", DrvName );
 120     if (lstrlen32A(DrvName) < 1) return 0;
 121
 122     lpdrv = lpDrvItemList;
 123     while (lpdrv)                       /* XXX find it... like this? */
 124     {
 125         if (!strcasecmp( lpDriverName, lpdrv->dis.szAliasName ))
 126         {
 127             lpdrv->count++;
 128             SendDriverMessage16( lpdrv->dis.hDriver, DRV_OPEN, 0L, lParam );
 129             return lpdrv->dis.hDriver;
 130         }
 131         lpdrv = lpdrv->lpNextItem;
 132     }
 133
 134     lpdrv = lpDrvItemList;      /* find end of list */
 135     if (lpdrv != NULL)
 136       while (lpdrv->lpNextItem != NULL)
 137         lpdrv = lpdrv->lpNextItem;
 138
 139     hDrvr = GlobalAlloc16( GMEM_MOVEABLE, sizeof(DRIVERITEM) );
 140     lpnewdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
 141     if (lpnewdrv == NULL) return 0;
 142     lpnewdrv->dis.length = sizeof( DRIVERINFOSTRUCT16 );
 143     lpnewdrv->dis.hModule = LoadModule16( DrvName, (LPVOID)-1 );
 144     if (!lpnewdrv->dis.hModule)
 145     {
 146         GlobalUnlock16( hDrvr );
 147         GlobalFree16( hDrvr );
 148         return 0;
 149     }
 150     lpnewdrv->dis.hDriver = hDrvr;
 151     lstrcpy32A( lpnewdrv->dis.szAliasName, lpDriverName );
 152     lpnewdrv->count = 1;
 153     if (!(lpnewdrv->lpDrvProc = (DRIVERPROC16)WIN32_GetProcAddress16(lpnewdrv->dis.hModule, "DRIVERPROC" )))
 154     {
 155         FreeModule16( lpnewdrv->dis.hModule );
 156         GlobalUnlock16( hDrvr );
 157         GlobalFree16( hDrvr );
 158         return 0;
 159     }
 160
 161     lpnewdrv->lpNextItem = NULL;
 162     if (lpDrvItemList == NULL)
 163     {
 164         lpDrvItemList = lpnewdrv;
 165         lpnewdrv->lpPrevItem = NULL;
 166     }
 167     else
 168     {
 169         lpdrv->lpNextItem = lpnewdrv;
 170         lpnewdrv->lpPrevItem = lpdrv;
 171     }
 172
 173     SendDriverMessage16( hDrvr, DRV_LOAD, 0L, lParam );
 174     SendDriverMessage16( hDrvr, DRV_ENABLE, 0L, lParam );
 175     SendDriverMessage16( hDrvr, DRV_OPEN, 0L, lParam );
 176
 177     TRACE(driver, "hDrvr=%04x loaded !\n", hDrvr );
 178     return hDrvr;
 179 }
 180
 181 /**************************************************************************
 182  *                              OpenDriver                      [WINMM.15]
 183  * (0,1,DRV_LOAD  ,0       ,0)
 184  * (0,1,DRV_ENABLE,0       ,0)
 185  * (0,1,DRV_OPEN  ,buf[256],0)
 186  */
 187 HDRVR32 WINAPI OpenDriver32A(
 188         LPCSTR lpDriverName, LPCSTR lpSectionName, LPARAM lParam
 189 ) {
 190     HDRVR32 hDrvr;
 191     LPDRIVERITEM32A lpdrv, lpnewdrv;
 192     char DrvName[128],*tmpbuf;
 193
 194     TRACE(driver,"('%s', '%s', %08lX);\n",
 195                     lpDriverName,lpSectionName,lParam );
 196
 197     if (lpSectionName == NULL) {
 198         lstrcpyn32A(DrvName,lpDriverName,sizeof(DrvName));
 199         FIXME(driver,"sectionname NULL, assuming directfilename (%s)\n",lpDriverName);
 200     } else  {
 201         GetPrivateProfileString32A( lpSectionName, lpDriverName, "", DrvName,
 202                                  sizeof(DrvName), "system.ini" );
 203     }
 204     TRACE(driver,"DrvName='%s'\n", DrvName );
 205     if (lstrlen32A(DrvName) < 1) return 0;
 206
 207     lpdrv = lpDrvItemList32;
 208     while (lpdrv) {
 209         if (!strcasecmp( lpDriverName, lpdrv->dis.szAliasName )) {
 210             lpdrv->count++;
 211             lpdrv->dis.hDriver = SendDriverMessage32( lpdrv->dis.hDriver, DRV_OPEN, (LPARAM)""/*FIXME*/, 0L );
 212             return (HDRVR32)lpdrv;
 213         }
 214         lpdrv = lpdrv->next;
 215     }
 216
 217     hDrvr = (HDRVR32)HeapAlloc(SystemHeap,0, sizeof(DRIVERITEM32A) );
 218     if (!hDrvr) {
 219         ERR(driver,"out of memory");
 220         return 0;
 221     }
 222     lpnewdrv = (DRIVERITEM32A*)hDrvr;
 223     lpnewdrv->dis.length = sizeof( DRIVERINFOSTRUCT32A );
 224     lpnewdrv->dis.hModule = LoadLibrary32A( DrvName );
 225     if (!lpnewdrv->dis.hModule) {
 226         FIXME(driver,"could not load library %s\n",DrvName);
 227         HeapFree( SystemHeap,0,(LPVOID)hDrvr );
 228         return 0;
 229     }
 230     lstrcpy32A( lpnewdrv->dis.szAliasName, lpDriverName );
 231     lpnewdrv->count = 1;
 232     if (!(lpnewdrv->driverproc = (DRIVERPROC32)GetProcAddress32(lpnewdrv->dis.hModule, "DriverProc" )))
 233     {
 234         FIXME(driver,"no 'DriverProc' found in %s\n",DrvName);
 235         FreeModule32( lpnewdrv->dis.hModule );
 236         HeapFree( SystemHeap,0, (LPVOID)hDrvr );
 237         return 0;
 238     }
 239
 240     lpnewdrv->next = lpDrvItemList32;
 241     lpDrvItemList32 = lpnewdrv;
 242
 243     SendDriverMessage32( hDrvr, DRV_LOAD, 0L, lParam );
 244     SendDriverMessage32( hDrvr, DRV_ENABLE, 0L, lParam );
 245     tmpbuf = HeapAlloc(SystemHeap,0,256);
 246     lpnewdrv->dis.hDriver=SendDriverMessage32(hDrvr,DRV_OPEN,(LPARAM)tmpbuf,lParam);
 247     HeapFree(SystemHeap,0,tmpbuf);
 248     TRACE(driver, "hDrvr=%04x loaded !\n", hDrvr );
 249     return hDrvr;
 250 }
 251
 252 /**************************************************************************
 253  *                              OpenDriver                      [WINMM.15]
 254  */
 255 HDRVR32 WINAPI OpenDriver32W(
 256         LPCWSTR lpDriverName, LPCWSTR lpSectionName, LPARAM lParam
 257 ) {
 258         LPSTR dn = HEAP_strdupWtoA(GetProcessHeap(),0,lpDriverName);
 259         LPSTR sn = HEAP_strdupWtoA(GetProcessHeap(),0,lpSectionName);
 260         HDRVR32 ret = OpenDriver32A(dn,sn,lParam);
 261
 262         if (dn) HeapFree(GetProcessHeap(),0,dn);
 263         if (sn) HeapFree(GetProcessHeap(),0,sn);
 264         return ret;
 265 }
 266
 267 /**************************************************************************
 268  *                      CloseDriver                             [USER.253]
 269  */
 270 LRESULT WINAPI CloseDriver16(HDRVR16 hDrvr, LPARAM lParam1, LPARAM lParam2)
 271 {
 272     LPDRIVERITEM lpdrv;
 273
 274     TRACE(driver, "(%04x, %08lX, %08lX);\n",
 275                     hDrvr, lParam1, lParam2 );
 276
 277     lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
 278     if (lpdrv != NULL && lpdrv->dis.hDriver == hDrvr)
 279     {
 280         SendDriverMessage16( hDrvr, DRV_CLOSE, lParam1, lParam2 );
 281         if (--lpdrv->count == 0)
 282         {
 283             SendDriverMessage16( hDrvr, DRV_DISABLE, lParam1, lParam2 );
 284             SendDriverMessage16( hDrvr, DRV_FREE, lParam1, lParam2 );
 285
 286             if (lpdrv->lpPrevItem)
 287               lpdrv->lpPrevItem->lpNextItem = lpdrv->lpNextItem;
 288             else
 289                 lpDrvItemList = lpdrv->lpNextItem;
 290             if (lpdrv->lpNextItem)
 291               lpdrv->lpNextItem->lpPrevItem = lpdrv->lpPrevItem;
 292
 293             FreeModule16( lpdrv->dis.hModule );
 294             GlobalUnlock16( hDrvr );
 295             GlobalFree16( hDrvr );
 296         }
 297
 298         TRACE(driver, "hDrvr=%04x closed !\n",
 299                         hDrvr );
 300         return TRUE;
 301     }
 302     return FALSE;
 303 }
 304
 305 /**************************************************************************
 306  *                              GetDriverModuleHandle   [USER.254]
 307  */
 308 HMODULE16 WINAPI GetDriverModuleHandle16(HDRVR16 hDrvr)
 309 {
 310     LPDRIVERITEM lpdrv;
 311     HMODULE16 hModule = 0;
 312
 313     TRACE(driver, "(%04x);\n", hDrvr);
 314
 315     lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
 316     if (lpdrv != NULL && lpdrv->dis.hDriver == hDrvr)
 317     {
 318         hModule = lpdrv->dis.hModule;
 319         GlobalUnlock16( hDrvr );
 320     }
 321     return hModule;
 322 }
 323
 324 /**************************************************************************
 325  *                              GetDriverModuleHandle   [USER.254]
 326  */
 327 HMODULE32 WINAPI GetDriverModuleHandle32(HDRVR32 hDrvr)
 328 {
 329     LPDRIVERITEM32A lpdrv = (LPDRIVERITEM32A)hDrvr;
 330
 331     TRACE(driver, "(%04x);\n", hDrvr);
 332     if (!lpdrv)
 333         return 0;
 334     return lpdrv->dis.hModule;
 335 }
 336
 337 /**************************************************************************
 338  *                              DefDriverProc16                 [USER.255]
 339  */
 340 LRESULT WINAPI DefDriverProc16(DWORD dwDevID, HDRVR16 hDriv, UINT16 wMsg,
 341                                LPARAM lParam1, LPARAM lParam2)
 342 {
 343     switch(wMsg)
 344     {
 345       case DRV_LOAD:
 346         return (LRESULT)0L;
 347       case DRV_FREE:
 348         return (LRESULT)0L;
 349       case DRV_OPEN:
 350         return (LRESULT)0L;
 351       case DRV_CLOSE:
 352         return (LRESULT)0L;
 353       case DRV_ENABLE:
 354         return (LRESULT)0L;
 355       case DRV_DISABLE:
 356         return (LRESULT)0L;
 357       case DRV_QUERYCONFIGURE:
 358         return (LRESULT)0L;
 359
 360       case DRV_CONFIGURE:
 361         MessageBox16( 0, "Driver isn't configurable !", "Wine Driver", MB_OK );
 362         return (LRESULT)0L;
 363
 364       case DRV_INSTALL:
 365         return (LRESULT)DRVCNF_RESTART;
 366
 367       case DRV_REMOVE:
 368         return (LRESULT)DRVCNF_RESTART;
 369
 370       default:
 371         return (LRESULT)0L;
 372     }
 373 }
 374
 375 /**************************************************************************
 376  *                              GetDriverInfo                   [USER.256]
 377  */
 378 BOOL16 WINAPI GetDriverInfo(HDRVR16 hDrvr, LPDRIVERINFOSTRUCT16 lpDrvInfo)
 379 {
 380     LPDRIVERITEM lpdrv;
 381
 382     TRACE(driver, "(%04x, %p);\n", hDrvr, lpDrvInfo );
 383
 384     if (lpDrvInfo == NULL) return FALSE;
 385
 386     lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
 387     if (lpdrv == NULL) return FALSE;
 388     memcpy( lpDrvInfo, &lpdrv->dis, sizeof(DRIVERINFOSTRUCT16) );
 389     GlobalUnlock16( hDrvr );
 390
 391     return TRUE;
 392 }
 393
 394 /**************************************************************************
 395  *                              GetNextDriver                   [USER.257]
 396  */
 397 HDRVR16 WINAPI GetNextDriver(HDRVR16 hDrvr, DWORD dwFlags)
 398 {
 399     LPDRIVERITEM lpdrv;
 400     HDRVR16 hRetDrv = 0;
 401
 402     TRACE(driver, "(%04x, %08lX);\n", hDrvr, dwFlags );
 403
 404     if (hDrvr == 0)
 405     {
 406         if (lpDrvItemList == NULL)
 407         {
 408             TRACE(driver, "drivers list empty !\n");
 409             LoadStartupDrivers();
 410             if (lpDrvItemList == NULL) return 0;
 411         }
 412         TRACE(driver,"return first %04x !\n",
 413                         lpDrvItemList->dis.hDriver );
 414         return lpDrvItemList->dis.hDriver;
 415     }
 416
 417     lpdrv = (LPDRIVERITEM)GlobalLock16( hDrvr );
 418     if (lpdrv != NULL)
 419     {
 420         if (dwFlags & GND_REVERSE)
 421         {
 422             if (lpdrv->lpPrevItem)
 423               hRetDrv = lpdrv->lpPrevItem->dis.hDriver;
 424         }
 425         else
 426         {
 427             if (lpdrv->lpNextItem)
 428               hRetDrv = lpdrv->lpNextItem->dis.hDriver;
 429         }
 430         GlobalUnlock16( hDrvr );
 431     }
 432
 433     TRACE(driver, "return %04x !\n", hRetDrv );
 434     return hRetDrv;
 435 }