dlls/dinput/joystick_linuxinput.c

   1 /*              DirectInput Joystick device
   2  *
   3  * Copyright 1998,2000 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  * Copyright 2005 Daniel Remenak
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <assert.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <time.h>
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #ifdef HAVE_SYS_TIME_H
  35 # include <sys/time.h>
  36 #endif
  37 #include <sys/fcntl.h>
  38 #ifdef HAVE_SYS_IOCTL_H
  39 # include <sys/ioctl.h>
  40 #endif
  41 #include <errno.h>
  42 #ifdef HAVE_SYS_ERRNO_H
  43 # include <sys/errno.h>
  44 #endif
  45 #ifdef HAVE_LINUX_INPUT_H
  46 # include <linux/input.h>
  47 # undef SW_MAX
  48 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
  49 #  define HAVE_CORRECT_LINUXINPUT_H
  50 # endif
  51 #endif
  52 #ifdef HAVE_SYS_POLL_H
  53 # include <sys/poll.h>
  54 #endif
  55
  56 #include "wine/debug.h"
  57 #include "wine/unicode.h"
  58 #include "windef.h"
  59 #include "winbase.h"
  60 #include "winerror.h"
  61 #include "winreg.h"
  62 #include "dinput.h"
  63
  64 #include "dinput_private.h"
  65 #include "device_private.h"
  66
  67 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  68
  69
  70 /*
  71  * Maps POV x & y event values to a DX "clock" position:
  72  *         0
  73  *   31500    4500
  74  * 27000  -1    9000
  75  *   22500   13500
  76  *       18000
  77  */
  78 DWORD joystick_map_pov(POINTL *p)
  79 {
  80     if (p->x > 0)
  81         return p->y < 0 ?  4500 : !p->y ?  9000 : 13500;
  82     else if (p->x < 0)
  83         return p->y < 0 ? 31500 : !p->y ? 27000 : 22500;
  84     else
  85         return p->y < 0 ?     0 : !p->y ?    -1 : 18000;
  86 }
  87
  88 /*
  89  * This maps the read value (from the input event) to a value in the
  90  * 'wanted' range.
  91  * Notes:
  92  *   Dead zone is in % multiplied by a 100 (range 0..10000)
  93  */
  94 LONG joystick_map_axis(ObjProps *props, int val)
  95 {
  96     LONG ret;
  97     LONG dead_zone = MulDiv( props->lDeadZone, props->lDevMax - props->lDevMin, 10000 );
  98     LONG dev_range = props->lDevMax - props->lDevMin - dead_zone;
  99
 100     /* Center input */
 101     val -= (props->lDevMin + props->lDevMax) / 2;
 102
 103     /* Remove dead zone */
 104     if (abs( val ) <= dead_zone / 2)
 105         val = 0;
 106     else
 107         val = val < 0 ? val + dead_zone / 2 : val - dead_zone / 2;
 108
 109     /* Scale and map the value from the device range into the required range */
 110     ret = MulDiv( val, props->lMax - props->lMin, dev_range ) +
 111           (props->lMin + props->lMax) / 2;
 112
 113     TRACE( "(%d <%d> %d) -> (%d <%d> %d): val=%d ret=%d\n",
 114            props->lDevMin, dead_zone, props->lDevMax,
 115            props->lMin, props->lDeadZone, props->lMax,
 116            val, ret );
 117
 118     return ret;
 119 }
 120
 121 #ifdef HAVE_CORRECT_LINUXINPUT_H
 122
 123 #define EVDEVPREFIX     "/dev/input/event"
 124
 125 /* Wine joystick driver object instances */
 126 #define WINE_JOYSTICK_MAX_AXES    8
 127 #define WINE_JOYSTICK_MAX_POVS    4
 128 #define WINE_JOYSTICK_MAX_BUTTONS 128
 129
 130 struct wine_input_absinfo {
 131     LONG value;
 132     LONG minimum;
 133     LONG maximum;
 134     LONG fuzz;
 135     LONG flat;
 136 };
 137
 138 typedef struct EffectListItem EffectListItem;
 139 struct EffectListItem
 140 {
 141         LPDIRECTINPUTEFFECT ref;
 142         struct EffectListItem* next;
 143 };
 144
 145 /* implemented in effect_linuxinput.c */
 146 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
 147 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
 148 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
 149
 150 typedef struct JoystickImpl JoystickImpl;
 151 static const IDirectInputDevice8AVtbl JoystickAvt;
 152 static const IDirectInputDevice8WVtbl JoystickWvt;
 153
 154 struct JoyDev {
 155         char *device;
 156         char *name;
 157         GUID guid;
 158
 159         int has_ff;
 160         int num_effects;
 161
 162         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 163         BYTE                            evbits[(EV_MAX+7)/8];
 164         BYTE                            absbits[(ABS_MAX+7)/8];
 165         BYTE                            keybits[(KEY_MAX+7)/8];
 166         BYTE                            ffbits[(FF_MAX+7)/8];
 167
 168         /* data returned by the EVIOCGABS() ioctl */
 169         struct wine_input_absinfo       axes[ABS_MAX];
 170 };
 171
 172 struct JoystickImpl
 173 {
 174         struct IDirectInputDevice2AImpl base;
 175
 176         struct JoyDev                  *joydev;
 177
 178         /* joystick private */
 179         int                             joyfd;
 180
 181         DIJOYSTATE2                     js;
 182
 183         ObjProps                        props[ABS_MAX];
 184
 185         int                             axes[ABS_MAX];
 186         POINTL                          povs[4];
 187
 188         /* LUT for KEY_ to offset in rgbButtons */
 189         BYTE                            buttons[KEY_MAX];
 190
 191         DWORD                           numAxes;
 192         DWORD                           numPOVs;
 193         DWORD                           numButtons;
 194
 195         /* Force feedback variables */
 196         EffectListItem*                 top_effect;
 197         int                             ff_state;
 198 };
 199
 200 static void fake_current_js_state(JoystickImpl *ji);
 201 static void find_joydevs(void);
 202
 203 /* This GUID is slightly different from the linux joystick one. Take note. */
 204 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 205   0x9e573eda,
 206   0x7734,
 207   0x11d2,
 208   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 209 };
 210
 211 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 212
 213 #define MAX_JOYDEV 64
 214
 215 static int have_joydevs = -1;
 216 static struct JoyDev *joydevs = NULL;
 217
 218 static void find_joydevs(void)
 219 {
 220   int i;
 221
 222   if (have_joydevs!=-1) {
 223     return;
 224   }
 225
 226   have_joydevs = 0;
 227
 228   for (i=0;i<MAX_JOYDEV;i++) {
 229     char        buf[MAX_PATH];
 230     struct JoyDev joydev = {0};
 231     int fd;
 232     int no_ff_check = 0;
 233     int j;
 234
 235     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 236     buf[MAX_PATH-1] = 0;
 237
 238     if ((fd=open(buf, O_RDWR))==-1) {
 239       fd = open(buf, O_RDONLY);
 240       no_ff_check = 1;
 241     }
 242
 243     if (fd!=-1) {
 244
 245       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 246         perror("EVIOCGBIT 0");
 247         close(fd);
 248         continue;
 249       }
 250       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 251         perror("EVIOCGBIT EV_ABS");
 252         close(fd);
 253         continue;
 254       }
 255       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 256         perror("EVIOCGBIT EV_KEY");
 257         close(fd);
 258         continue;
 259       }
 260       /* A true joystick has at least axis X and Y, and at least 1
 261        * button. copied from linux/drivers/input/joydev.c */
 262       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 263           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 264               test_bit(joydev.keybits,BTN_A)    ||
 265               test_bit(joydev.keybits,BTN_1)
 266           )
 267          ) {
 268
 269         joydev.device = strdup(buf);
 270
 271         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 272           buf[MAX_PATH-1] = 0;
 273           joydev.name = strdup(buf);
 274         } else {
 275           joydev.name = joydev.device;
 276         }
 277
 278         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 279         joydev.guid.Data3 += have_joydevs;
 280
 281         TRACE("Found a joystick on %s: %s (%s)\n",
 282             joydev.device, joydev.name,
 283             debugstr_guid(&joydev.guid)
 284             );
 285
 286 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 287         if (!no_ff_check &&
 288             test_bit(joydev.evbits, EV_FF) &&
 289             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
 290             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
 291             joydev.num_effects > 0)
 292         {
 293             TRACE(" ... with force feedback\n");
 294             joydev.has_ff = 1;
 295         }
 296 #endif
 297
 298         for (j=0;j<ABS_MAX;j++) {
 299           if (test_bit(joydev.absbits,j)) {
 300             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 301               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 302                   j,
 303                   joydev.axes[j].value,
 304                   joydev.axes[j].minimum,
 305                   joydev.axes[j].maximum,
 306                   joydev.axes[j].fuzz,
 307                   joydev.axes[j].flat
 308                   );
 309             }
 310           }
 311         }
 312
 313         if (have_joydevs==0) {
 314           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 315         } else {
 316           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 317         }
 318         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 319         have_joydevs++;
 320       }
 321
 322       close(fd);
 323     }
 324   }
 325 }
 326
 327 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 328 {
 329     DWORD dwSize = lpddi->dwSize;
 330
 331     TRACE("%d %p\n", dwSize, lpddi);
 332     memset(lpddi, 0, dwSize);
 333
 334     lpddi->dwSize       = dwSize;
 335     lpddi->guidInstance = joydevs[id].guid;
 336     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 337     lpddi->guidFFDriver = GUID_NULL;
 338
 339     if (version >= 0x0800)
 340         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 341     else
 342         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 343
 344     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 345     strcpy(lpddi->tszProductName, joydevs[id].device);
 346 }
 347
 348 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 349 {
 350     DWORD dwSize = lpddi->dwSize;
 351
 352     TRACE("%d %p\n", dwSize, lpddi);
 353     memset(lpddi, 0, dwSize);
 354
 355     lpddi->dwSize       = dwSize;
 356     lpddi->guidInstance = joydevs[id].guid;
 357     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 358     lpddi->guidFFDriver = GUID_NULL;
 359
 360     if (version >= 0x0800)
 361         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 362     else
 363         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 364
 365     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 366     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 367 }
 368
 369 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 370 {
 371   find_joydevs();
 372
 373   if (id >= have_joydevs) {
 374     return FALSE;
 375   }
 376
 377   if (!((dwDevType == 0) ||
 378         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 379         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 380     return FALSE;
 381
 382 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 383   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 384     return FALSE;
 385 #endif
 386
 387   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 388     fill_joystick_dideviceinstanceA(lpddi, version, id);
 389     return TRUE;
 390   }
 391   return FALSE;
 392 }
 393
 394 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 395 {
 396   find_joydevs();
 397
 398   if (id >= have_joydevs) {
 399     return FALSE;
 400   }
 401
 402   if (!((dwDevType == 0) ||
 403         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 404         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 405     return FALSE;
 406
 407 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 408   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 409     return FALSE;
 410 #endif
 411
 412   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 413     fill_joystick_dideviceinstanceW(lpddi, version, id);
 414     return TRUE;
 415   }
 416   return FALSE;
 417 }
 418
 419 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, unsigned short index)
 420 {
 421     JoystickImpl* newDevice;
 422     LPDIDATAFORMAT df = NULL;
 423     int i, idx = 0;
 424     char buffer[MAX_PATH+16];
 425     HKEY hkey, appkey;
 426     LONG def_deadzone = -1;
 427
 428     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
 429     if (!newDevice) return NULL;
 430
 431     newDevice->base.lpVtbl = jvt;
 432     newDevice->base.ref    = 1;
 433     newDevice->base.guid   = *rguid;
 434     newDevice->base.dinput = dinput;
 435     newDevice->joyfd       = -1;
 436     newDevice->joydev      = &joydevs[index];
 437 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 438     newDevice->ff_state    = FF_STATUS_STOPPED;
 439 #endif
 440     InitializeCriticalSection(&newDevice->base.crit);
 441     newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
 442
 443     /* get options */
 444     get_app_key(&hkey, &appkey);
 445
 446     if (!get_config_key(hkey, appkey, "DefaultDeadZone", buffer, MAX_PATH))
 447     {
 448         def_deadzone = atoi(buffer);
 449         TRACE("setting default deadzone to: %d\n", def_deadzone);
 450     }
 451     if (appkey) RegCloseKey(appkey);
 452     if (hkey) RegCloseKey(hkey);
 453
 454     /* Create copy of default data format */
 455     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
 456     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 457     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
 458
 459     /* Supported Axis & POVs should map 1-to-1 */
 460     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
 461     {
 462         if (!test_bit(newDevice->joydev->absbits, i)) {
 463             newDevice->axes[i] = -1;
 464             continue;
 465         }
 466
 467         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
 468         newDevice->axes[i] = idx;
 469         newDevice->props[idx].lDevMin = newDevice->joydev->axes[i].minimum;
 470         newDevice->props[idx].lDevMax = newDevice->joydev->axes[i].maximum;
 471         newDevice->props[idx].lMin    = 0;
 472         newDevice->props[idx].lMax    = 0xffff;
 473         newDevice->props[idx].lSaturation = 0;
 474         newDevice->props[idx].lDeadZone = def_deadzone >= 0 ? def_deadzone :
 475             MulDiv(newDevice->joydev->axes[i].flat, 0xffff,
 476              newDevice->props[idx].lDevMax - newDevice->props[idx].lDevMin);
 477
 478         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
 479     }
 480
 481     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
 482     {
 483         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
 484             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
 485             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
 486             continue;
 487         }
 488
 489         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
 490         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
 491         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
 492     }
 493
 494     /* Buttons can be anywhere, so check all */
 495     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
 496     {
 497         if (!test_bit(newDevice->joydev->keybits, i)) continue;
 498
 499         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 500         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
 501         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
 502     }
 503     df->dwNumObjs = idx;
 504
 505     fake_current_js_state(newDevice);
 506
 507     newDevice->base.data_format.wine_df = df;
 508     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
 509     return newDevice;
 510
 511 failed:
 512     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 513     HeapFree(GetProcessHeap(), 0, df);
 514     HeapFree(GetProcessHeap(), 0, newDevice);
 515     return NULL;
 516 }
 517
 518 /******************************************************************************
 519   *     get_joystick_index : Get the joystick index from a given GUID
 520   */
 521 static unsigned short get_joystick_index(REFGUID guid)
 522 {
 523     GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
 524     GUID dev_guid = *guid;
 525
 526     wine_joystick.Data3 = 0;
 527     dev_guid.Data3 = 0;
 528
 529     /* for the standard joystick GUID use index 0 */
 530     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 531
 532     /* for the wine joystick GUIDs use the index stored in Data3 */
 533     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
 534
 535     return MAX_JOYDEV;
 536 }
 537
 538 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 539 {
 540     unsigned short index;
 541
 542     find_joydevs();
 543
 544     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
 545         have_joydevs && index < have_joydevs)
 546     {
 547         if ((riid == NULL) ||
 548             IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 549             IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 550             IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 551             IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 552         {
 553             *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, index);
 554             TRACE("Created a Joystick device (%p)\n", *pdev);
 555
 556             if (*pdev == NULL)
 557             {
 558                 ERR("out of memory\n");
 559                 return DIERR_OUTOFMEMORY;
 560             }
 561             return DI_OK;
 562         }
 563
 564         WARN("no interface\n");
 565         return DIERR_NOINTERFACE;
 566     }
 567
 568     return DIERR_DEVICENOTREG;
 569 }
 570
 571
 572 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 573 {
 574     unsigned short index;
 575
 576     find_joydevs();
 577
 578     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
 579         have_joydevs && index < have_joydevs)
 580     {
 581         if ((riid == NULL) ||
 582             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 583             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 584             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 585             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 586         {
 587             *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
 588             TRACE("Created a Joystick device (%p)\n", *pdev);
 589
 590             if (*pdev == NULL)
 591             {
 592                 ERR("out of memory\n");
 593                 return DIERR_OUTOFMEMORY;
 594             }
 595             return DI_OK;
 596         }
 597         WARN("no interface\n");
 598         return DIERR_NOINTERFACE;
 599     }
 600
 601     WARN("invalid device GUID\n");
 602     return DIERR_DEVICENOTREG;
 603 }
 604
 605 const struct dinput_device joystick_linuxinput_device = {
 606   "Wine Linux-input joystick driver",
 607   joydev_enum_deviceA,
 608   joydev_enum_deviceW,
 609   joydev_create_deviceA,
 610   joydev_create_deviceW
 611 };
 612
 613 /******************************************************************************
 614   *     Acquire : gets exclusive control of the joystick
 615   */
 616 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 617 {
 618     JoystickImpl *This = (JoystickImpl *)iface;
 619     HRESULT res;
 620
 621     TRACE("(this=%p)\n",This);
 622
 623     res = IDirectInputDevice2AImpl_Acquire(iface);
 624     if (res==DI_OK) {
 625       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 626         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 627           /* Couldn't open the device at all */
 628           perror(This->joydev->device);
 629           IDirectInputDevice2AImpl_Unacquire(iface);
 630           return DIERR_NOTFOUND;
 631         } else {
 632           /* Couldn't open in r/w but opened in read-only. */
 633           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 634         }
 635       }
 636     }
 637
 638     return res;
 639 }
 640
 641 /******************************************************************************
 642   *     Unacquire : frees the joystick
 643   */
 644 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 645 {
 646     JoystickImpl *This = (JoystickImpl *)iface;
 647     HRESULT res;
 648
 649     TRACE("(this=%p)\n",This);
 650     res = IDirectInputDevice2AImpl_Unacquire(iface);
 651     if (res==DI_OK && This->joyfd!=-1) {
 652       close(This->joyfd);
 653       This->joyfd = -1;
 654     }
 655     return res;
 656 }
 657
 658 /*
 659  * set the current state of the js device as it would be with the middle
 660  * values on the axes
 661  */
 662 #define CENTER_AXIS(a) \
 663     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
 664                                                 ji->joydev->axes[a].value ))
 665 static void fake_current_js_state(JoystickImpl *ji)
 666 {
 667     int i;
 668
 669     /* center the axes */
 670     ji->js.lX           = CENTER_AXIS(ABS_X);
 671     ji->js.lY           = CENTER_AXIS(ABS_Y);
 672     ji->js.lZ           = CENTER_AXIS(ABS_Z);
 673     ji->js.lRx          = CENTER_AXIS(ABS_RX);
 674     ji->js.lRy          = CENTER_AXIS(ABS_RY);
 675     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
 676     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
 677     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
 678
 679     /* POV center is -1 */
 680     for (i = 0; i < 4; i++)
 681         ji->js.rgdwPOV[i] = -1;
 682 }
 683 #undef CENTER_AXIS
 684
 685 /* convert wine format offset to user format object index */
 686 static void joy_polldev(JoystickImpl *This)
 687 {
 688     struct pollfd plfd;
 689     struct input_event ie;
 690
 691     if (This->joyfd==-1)
 692         return;
 693
 694     while (1)
 695     {
 696         LONG value = 0;
 697         int inst_id = -1;
 698
 699         plfd.fd = This->joyfd;
 700         plfd.events = POLLIN;
 701
 702         if (poll(&plfd,1,0) != 1)
 703             return;
 704
 705         /* we have one event, so we can read */
 706         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 707             return;
 708
 709         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 710         switch (ie.type) {
 711         case EV_KEY:    /* button */
 712         {
 713             int btn = This->buttons[ie.code];
 714
 715             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 716             if (btn & 0x80)
 717             {
 718                 btn &= 0x7F;
 719                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 720                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 721             }
 722             break;
 723         }
 724         case EV_ABS:
 725         {
 726             int axis = This->axes[ie.code];
 727             if (axis==-1) {
 728                 break;
 729             }
 730             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 731             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
 732
 733             switch (ie.code) {
 734             case ABS_X:         This->js.lX  = value; break;
 735             case ABS_Y:         This->js.lY  = value; break;
 736             case ABS_Z:         This->js.lZ  = value; break;
 737             case ABS_RX:        This->js.lRx = value; break;
 738             case ABS_RY:        This->js.lRy = value; break;
 739             case ABS_RZ:        This->js.lRz = value; break;
 740             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 741             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 742             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
 743             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
 744             {
 745                 int idx = (ie.code - ABS_HAT0X) / 2;
 746
 747                 if (ie.code % 2)
 748                     This->povs[idx].y = ie.value;
 749                 else
 750                     This->povs[idx].x = ie.value;
 751
 752                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 753                 break;
 754             }
 755             default:
 756                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 757             }
 758             break;
 759         }
 760 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 761         case EV_FF_STATUS:
 762             This->ff_state = ie.value;
 763             break;
 764 #endif
 765 #ifdef EV_SYN
 766         case EV_SYN:
 767             /* there is nothing to do */
 768             break;
 769 #endif
 770         default:
 771             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 772             break;
 773         }
 774         if (inst_id >= 0)
 775             queue_event((LPDIRECTINPUTDEVICE8A)This,
 776                         id_to_offset(&This->base.data_format, inst_id),
 777                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
 778     }
 779 }
 780
 781 /******************************************************************************
 782   *     GetDeviceState : returns the "state" of the joystick.
 783   *
 784   */
 785 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 786         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 787 ) {
 788     JoystickImpl *This = (JoystickImpl *)iface;
 789
 790     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 791
 792     if (!This->base.acquired)
 793     {
 794         WARN("not acquired\n");
 795         return DIERR_NOTACQUIRED;
 796     }
 797
 798     joy_polldev(This);
 799
 800     /* convert and copy data to user supplied buffer */
 801     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 802
 803     return DI_OK;
 804 }
 805
 806 /******************************************************************************
 807   *     SetProperty : change input device properties
 808   */
 809 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 810                                             REFGUID rguid,
 811                                             LPCDIPROPHEADER ph)
 812 {
 813   JoystickImpl *This = (JoystickImpl *)iface;
 814
 815   if (!ph) {
 816     WARN("invalid argument\n");
 817     return DIERR_INVALIDPARAM;
 818   }
 819
 820   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 821   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 822         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 823
 824   if (!HIWORD(rguid)) {
 825     switch (LOWORD(rguid)) {
 826     case (DWORD)DIPROP_RANGE: {
 827       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 828
 829       if (ph->dwHow == DIPH_DEVICE) {
 830         int i;
 831         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 832         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 833           /* Scale dead-zone */
 834           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
 835                                             This->props[i].lMax - This->props[i].lMin);
 836           This->props[i].lMin = pr->lMin;
 837           This->props[i].lMax = pr->lMax;
 838         }
 839       } else {
 840         int obj = find_property(&This->base.data_format, ph);
 841
 842         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 843         if (obj >= 0) {
 844           /* Scale dead-zone */
 845           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
 846                                               This->props[obj].lMax - This->props[obj].lMin);
 847           This->props[obj].lMin = pr->lMin;
 848           This->props[obj].lMax = pr->lMax;
 849         }
 850       }
 851       fake_current_js_state(This);
 852       break;
 853     }
 854     case (DWORD)DIPROP_DEADZONE: {
 855       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 856       if (ph->dwHow == DIPH_DEVICE) {
 857         int i;
 858         TRACE("deadzone(%d) all\n", pd->dwData);
 859         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 860           This->props[i].lDeadZone = pd->dwData;
 861         }
 862       } else {
 863         int obj = find_property(&This->base.data_format, ph);
 864
 865         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 866         if (obj >= 0) {
 867           This->props[obj].lDeadZone = pd->dwData;
 868         }
 869       }
 870       fake_current_js_state(This);
 871       break;
 872     }
 873     case (DWORD)DIPROP_CALIBRATIONMODE: {
 874       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 875       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 876       break;
 877     }
 878     case (DWORD)DIPROP_AUTOCENTER: {
 879       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 880
 881       FIXME("DIPROP_AUTOCENTER(%d)\n", pd->dwData);
 882       break;
 883     }
 884     default:
 885       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 886     }
 887   }
 888   return DI_OK;
 889 }
 890
 891 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 892         LPDIRECTINPUTDEVICE8A iface,
 893         LPDIDEVCAPS lpDIDevCaps)
 894 {
 895     JoystickImpl *This = (JoystickImpl *)iface;
 896
 897     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 898
 899     if (!lpDIDevCaps) {
 900         WARN("invalid pointer\n");
 901         return E_POINTER;
 902     }
 903
 904     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 905         WARN("invalid argument\n");
 906         return DIERR_INVALIDPARAM;
 907     }
 908
 909     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 910     if (This->base.dinput->dwVersion >= 0x0800)
 911         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 912     else
 913         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 914
 915     if (This->joydev->has_ff)
 916          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 917
 918     lpDIDevCaps->dwAxes = This->numAxes;
 919     lpDIDevCaps->dwButtons = This->numButtons;
 920     lpDIDevCaps->dwPOVs = This->numPOVs;
 921
 922     return DI_OK;
 923 }
 924
 925 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface)
 926 {
 927     JoystickImpl *This = (JoystickImpl *)iface;
 928
 929     TRACE("(%p)\n",This);
 930
 931     if (!This->base.acquired)
 932         return DIERR_NOTACQUIRED;
 933
 934     joy_polldev(This);
 935     return DI_OK;
 936 }
 937
 938 /******************************************************************************
 939   *     GetProperty : get input device properties
 940   */
 941 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 942                                                 REFGUID rguid,
 943                                                 LPDIPROPHEADER pdiph)
 944 {
 945     JoystickImpl *This = (JoystickImpl *)iface;
 946
 947     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 948     _dump_DIPROPHEADER(pdiph);
 949
 950     if (HIWORD(rguid)) return DI_OK;
 951
 952     switch (LOWORD(rguid)) {
 953     case (DWORD) DIPROP_RANGE:
 954     {
 955         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 956         int obj = find_property(&This->base.data_format, pdiph);
 957
 958         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 959
 960         pr->lMin = This->props[obj].lMin;
 961         pr->lMax = This->props[obj].lMax;
 962         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 963         break;
 964     }
 965     case (DWORD) DIPROP_DEADZONE:
 966     {
 967         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 968         int obj = find_property(&This->base.data_format, pdiph);
 969
 970         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 971
 972         pd->dwData = This->props[obj].lDeadZone;
 973         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 974         break;
 975     }
 976
 977     default:
 978         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 979     }
 980
 981     return DI_OK;
 982 }
 983
 984 /******************************************************************************
 985   *     GetObjectInfo : get information about a device object such as a button
 986   *                     or axis
 987   */
 988 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 989         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 990 {
 991     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 992     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 993     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 994     HRESULT res;
 995
 996     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 997     if (res != DI_OK) return res;
 998
 999     if      (pdidoi->dwType & DIDFT_AXIS)
1000         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
1001     else if (pdidoi->dwType & DIDFT_POV)
1002         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
1003     else if (pdidoi->dwType & DIDFT_BUTTON)
1004         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
1005
1006     _dump_OBJECTINSTANCEW(pdidoi);
1007     return res;
1008 }
1009
1010 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
1011         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
1012 {
1013     HRESULT res;
1014     DIDEVICEOBJECTINSTANCEW didoiW;
1015     DWORD dwSize = pdidoi->dwSize;
1016
1017     didoiW.dwSize = sizeof(didoiW);
1018     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
1019     if (res != DI_OK) return res;
1020
1021     memset(pdidoi, 0, pdidoi->dwSize);
1022     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
1023     pdidoi->dwSize = dwSize;
1024     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
1025                         sizeof(pdidoi->tszName), NULL, NULL);
1026
1027     return res;
1028 }
1029
1030 /******************************************************************************
1031   *     CreateEffect - Create a new FF effect with the specified params
1032   */
1033 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1034                                                  REFGUID rguid,
1035                                                  LPCDIEFFECT lpeff,
1036                                                  LPDIRECTINPUTEFFECT *ppdef,
1037                                                  LPUNKNOWN pUnkOuter)
1038 {
1039 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1040     EffectListItem* new = NULL;
1041     HRESULT retval = DI_OK;
1042 #endif
1043
1044     JoystickImpl* This = (JoystickImpl*)iface;
1045     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1046
1047 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1048     TRACE("not available (compiled w/o ff support)\n");
1049     *ppdef = NULL;
1050     return DI_OK;
1051 #else
1052
1053     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1054     new->next = This->top_effect;
1055     This->top_effect = new;
1056
1057     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1058     if (retval != DI_OK)
1059         return retval;
1060
1061     if (lpeff != NULL)
1062         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1063     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1064         return retval;
1065
1066     *ppdef = new->ref;
1067
1068     if (pUnkOuter != NULL)
1069         FIXME("Interface aggregation not implemented.\n");
1070
1071     return DI_OK;
1072
1073 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1074 }
1075
1076 /*******************************************************************************
1077  *      EnumEffects - Enumerate available FF effects
1078  */
1079 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1080                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1081                                                 LPVOID pvRef,
1082                                                 DWORD dwEffType)
1083 {
1084 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1085     DIEFFECTINFOA dei; /* feif */
1086     DWORD type = DIEFT_GETTYPE(dwEffType);
1087     JoystickImpl* This = (JoystickImpl*)iface;
1088
1089     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1090
1091     dei.dwSize = sizeof(DIEFFECTINFOA);
1092
1093     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1094         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1095         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1096         (*lpCallback)(&dei, pvRef);
1097     }
1098
1099     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1100         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1101         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1102             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1103             (*lpCallback)(&dei, pvRef);
1104         }
1105         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1106             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1107             (*lpCallback)(&dei, pvRef);
1108         }
1109         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1110             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1111             (*lpCallback)(&dei, pvRef);
1112         }
1113         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1114             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1115             (*lpCallback)(&dei, pvRef);
1116         }
1117         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1118             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1119             (*lpCallback)(&dei, pvRef);
1120         }
1121     }
1122
1123     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1124         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1125         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1126         (*lpCallback)(&dei, pvRef);
1127     }
1128
1129     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1130         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1131             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1132             (*lpCallback)(&dei, pvRef);
1133         }
1134         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1135             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1136             (*lpCallback)(&dei, pvRef);
1137         }
1138         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1139             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1140             (*lpCallback)(&dei, pvRef);
1141         }
1142         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1143             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1144             (*lpCallback)(&dei, pvRef);
1145         }
1146     }
1147
1148 #endif
1149
1150     return DI_OK;
1151 }
1152
1153 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1154                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1155                                                 LPVOID pvRef,
1156                                                 DWORD dwEffType)
1157 {
1158 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1159     /* seems silly to duplicate all this code but all the structures and functions
1160      * are actually different (A/W) */
1161     DIEFFECTINFOW dei; /* feif */
1162     DWORD type = DIEFT_GETTYPE(dwEffType);
1163     JoystickImpl* This = (JoystickImpl*)iface;
1164     int xfd = This->joyfd;
1165
1166     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1167
1168     dei.dwSize = sizeof(DIEFFECTINFOW);
1169
1170     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1171         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1172         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1173         (*lpCallback)(&dei, pvRef);
1174     }
1175
1176     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1177         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1178         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1179             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1180             (*lpCallback)(&dei, pvRef);
1181         }
1182         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1183             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1184             (*lpCallback)(&dei, pvRef);
1185         }
1186         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1187             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1188             (*lpCallback)(&dei, pvRef);
1189         }
1190         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1191             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1192             (*lpCallback)(&dei, pvRef);
1193         }
1194         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1195             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1196             (*lpCallback)(&dei, pvRef);
1197         }
1198     }
1199
1200     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1201         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1202         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1203         (*lpCallback)(&dei, pvRef);
1204     }
1205
1206     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1207         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1208             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1209             (*lpCallback)(&dei, pvRef);
1210         }
1211         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1212             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1213             (*lpCallback)(&dei, pvRef);
1214         }
1215         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1216             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1217             (*lpCallback)(&dei, pvRef);
1218         }
1219         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1220             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1221             (*lpCallback)(&dei, pvRef);
1222         }
1223     }
1224
1225     /* return to unacquired state if that's where it was */
1226     if (xfd == -1)
1227         IDirectInputDevice8_Unacquire(iface);
1228 #endif
1229
1230     return DI_OK;
1231 }
1232
1233 /*******************************************************************************
1234  *      GetEffectInfo - Get information about a particular effect
1235  */
1236 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1237                                                   LPDIEFFECTINFOA pdei,
1238                                                   REFGUID guid)
1239 {
1240     JoystickImpl* This = (JoystickImpl*)iface;
1241
1242     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1243
1244 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1245     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1246 #else
1247     return DI_OK;
1248 #endif
1249 }
1250
1251 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1252                                                   LPDIEFFECTINFOW pdei,
1253                                                   REFGUID guid)
1254 {
1255     JoystickImpl* This = (JoystickImpl*)iface;
1256
1257     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1258
1259 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1260     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1261 #else
1262     return DI_OK;
1263 #endif
1264 }
1265
1266 /*******************************************************************************
1267  *      GetForceFeedbackState - Get information about the device's FF state
1268  */
1269 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1270         LPDIRECTINPUTDEVICE8A iface,
1271         LPDWORD pdwOut)
1272 {
1273     JoystickImpl* This = (JoystickImpl*)iface;
1274
1275     TRACE("(this=%p,%p)\n", This, pdwOut);
1276
1277     (*pdwOut) = 0;
1278
1279 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1280     /* DIGFFS_STOPPED is the only mandatory flag to report */
1281     if (This->ff_state == FF_STATUS_STOPPED)
1282         (*pdwOut) |= DIGFFS_STOPPED;
1283 #endif
1284
1285     return DI_OK;
1286 }
1287
1288 /*******************************************************************************
1289  *      SendForceFeedbackCommand - Send a command to the device's FF system
1290  */
1291 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1292         LPDIRECTINPUTDEVICE8A iface,
1293         DWORD dwFlags)
1294 {
1295     JoystickImpl* This = (JoystickImpl*)iface;
1296     TRACE("(this=%p,%d)\n", This, dwFlags);
1297
1298 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1299     if (dwFlags == DISFFC_STOPALL) {
1300         /* Stop all effects */
1301         EffectListItem* itr = This->top_effect;
1302         while (itr) {
1303             IDirectInputEffect_Stop(itr->ref);
1304             itr = itr->next;
1305         }
1306     } else if (dwFlags == DISFFC_RESET) {
1307         /* Stop, unload, release and free all effects */
1308         /* This returns the device to its "bare" state */
1309         while (This->top_effect) {
1310             EffectListItem* temp = This->top_effect;
1311             IDirectInputEffect_Stop(temp->ref);
1312             IDirectInputEffect_Unload(temp->ref);
1313             IDirectInputEffect_Release(temp->ref);
1314             This->top_effect = temp->next;
1315             HeapFree(GetProcessHeap(), 0, temp);
1316         }
1317     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1318         FIXME("No support for Pause or Continue in linux\n");
1319     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1320                 || dwFlags == DISFFC_SETACTUATORSON) {
1321         FIXME("No direct actuator control in linux\n");
1322     } else {
1323         FIXME("Unknown Force Feedback Command!\n");
1324         return DIERR_INVALIDPARAM;
1325     }
1326     return DI_OK;
1327 #else
1328     return DIERR_UNSUPPORTED;
1329 #endif
1330 }
1331
1332 /*******************************************************************************
1333  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1334  *              created for this device.
1335  */
1336 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1337         LPDIRECTINPUTDEVICE8A iface,
1338         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1339         LPVOID pvRef,
1340         DWORD dwFlags)
1341 {
1342     /* this function is safe to call on non-ff-enabled builds */
1343
1344     JoystickImpl* This = (JoystickImpl*)iface;
1345     EffectListItem* itr = This->top_effect;
1346     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1347
1348     if (!lpCallback)
1349         return DIERR_INVALIDPARAM;
1350
1351     if (dwFlags != 0)
1352         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1353
1354     while (itr) {
1355         (*lpCallback)(itr->ref, pvRef);
1356         itr = itr->next;
1357     }
1358
1359     return DI_OK;
1360 }
1361
1362 /******************************************************************************
1363   *     GetDeviceInfo : get information about a device's identity
1364   */
1365 static HRESULT WINAPI JoystickAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface,
1366                                                   LPDIDEVICEINSTANCEA pdidi)
1367 {
1368     JoystickImpl *This = (JoystickImpl *)iface;
1369
1370     TRACE("(%p) %p\n", This, pdidi);
1371
1372     if (pdidi == NULL) return E_POINTER;
1373     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
1374         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)))
1375         return DIERR_INVALIDPARAM;
1376
1377     fill_joystick_dideviceinstanceA(pdidi, This->base.dinput->dwVersion,
1378                                     get_joystick_index(&This->base.guid));
1379     return DI_OK;
1380 }
1381
1382 static HRESULT WINAPI JoystickWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface,
1383                                                   LPDIDEVICEINSTANCEW pdidi)
1384 {
1385     JoystickImpl *This = (JoystickImpl *)iface;
1386
1387     TRACE("(%p) %p\n", This, pdidi);
1388
1389     if (pdidi == NULL) return E_POINTER;
1390     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
1391         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)))
1392         return DIERR_INVALIDPARAM;
1393
1394     fill_joystick_dideviceinstanceW(pdidi, This->base.dinput->dwVersion,
1395                                     get_joystick_index(&This->base.guid));
1396     return DI_OK;
1397 }
1398
1399 static const IDirectInputDevice8AVtbl JoystickAvt =
1400 {
1401         IDirectInputDevice2AImpl_QueryInterface,
1402         IDirectInputDevice2AImpl_AddRef,
1403         IDirectInputDevice2AImpl_Release,
1404         JoystickAImpl_GetCapabilities,
1405         IDirectInputDevice2AImpl_EnumObjects,
1406         JoystickAImpl_GetProperty,
1407         JoystickAImpl_SetProperty,
1408         JoystickAImpl_Acquire,
1409         JoystickAImpl_Unacquire,
1410         JoystickAImpl_GetDeviceState,
1411         IDirectInputDevice2AImpl_GetDeviceData,
1412         IDirectInputDevice2AImpl_SetDataFormat,
1413         IDirectInputDevice2AImpl_SetEventNotification,
1414         IDirectInputDevice2AImpl_SetCooperativeLevel,
1415         JoystickAImpl_GetObjectInfo,
1416         JoystickAImpl_GetDeviceInfo,
1417         IDirectInputDevice2AImpl_RunControlPanel,
1418         IDirectInputDevice2AImpl_Initialize,
1419         JoystickAImpl_CreateEffect,
1420         JoystickAImpl_EnumEffects,
1421         JoystickAImpl_GetEffectInfo,
1422         JoystickAImpl_GetForceFeedbackState,
1423         JoystickAImpl_SendForceFeedbackCommand,
1424         JoystickAImpl_EnumCreatedEffectObjects,
1425         IDirectInputDevice2AImpl_Escape,
1426         JoystickAImpl_Poll,
1427         IDirectInputDevice2AImpl_SendDeviceData,
1428         IDirectInputDevice7AImpl_EnumEffectsInFile,
1429         IDirectInputDevice7AImpl_WriteEffectToFile,
1430         IDirectInputDevice8AImpl_BuildActionMap,
1431         IDirectInputDevice8AImpl_SetActionMap,
1432         IDirectInputDevice8AImpl_GetImageInfo
1433 };
1434
1435 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1436 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1437 #else
1438 # define XCAST(fun)     (void*)
1439 #endif
1440
1441 static const IDirectInputDevice8WVtbl JoystickWvt =
1442 {
1443         IDirectInputDevice2WImpl_QueryInterface,
1444         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1445         XCAST(Release)IDirectInputDevice2AImpl_Release,
1446         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1447         IDirectInputDevice2WImpl_EnumObjects,
1448         XCAST(GetProperty)JoystickAImpl_GetProperty,
1449         XCAST(SetProperty)JoystickAImpl_SetProperty,
1450         XCAST(Acquire)JoystickAImpl_Acquire,
1451         XCAST(Unacquire)JoystickAImpl_Unacquire,
1452         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1453         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1454         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1455         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1456         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1457         JoystickWImpl_GetObjectInfo,
1458         JoystickWImpl_GetDeviceInfo,
1459         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1460         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1461         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1462         JoystickWImpl_EnumEffects,
1463         JoystickWImpl_GetEffectInfo,
1464         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1465         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1466         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1467         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1468         XCAST(Poll)JoystickAImpl_Poll,
1469         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1470         IDirectInputDevice7WImpl_EnumEffectsInFile,
1471         IDirectInputDevice7WImpl_WriteEffectToFile,
1472         IDirectInputDevice8WImpl_BuildActionMap,
1473         IDirectInputDevice8WImpl_SetActionMap,
1474         IDirectInputDevice8WImpl_GetImageInfo
1475 };
1476 #undef XCAST
1477
1478 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1479
1480 const struct dinput_device joystick_linuxinput_device = {
1481   "Wine Linux-input joystick driver",
1482   NULL,
1483   NULL,
1484   NULL,
1485   NULL
1486 };
1487
1488 #endif  /* HAVE_CORRECT_LINUXINPUT_H */