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     WARN("invalid device GUID\n");
 569     return DIERR_DEVICENOTREG;
 570 }
 571
 572
 573 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 574 {
 575     unsigned short index;
 576
 577     find_joydevs();
 578
 579     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
 580         have_joydevs && index < have_joydevs)
 581     {
 582         if ((riid == NULL) ||
 583             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 584             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 585             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 586             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 587         {
 588             *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
 589             TRACE("Created a Joystick device (%p)\n", *pdev);
 590
 591             if (*pdev == NULL)
 592             {
 593                 ERR("out of memory\n");
 594                 return DIERR_OUTOFMEMORY;
 595             }
 596             return DI_OK;
 597         }
 598         WARN("no interface\n");
 599         return DIERR_NOINTERFACE;
 600     }
 601
 602     WARN("invalid device GUID\n");
 603     return DIERR_DEVICENOTREG;
 604 }
 605
 606 const struct dinput_device joystick_linuxinput_device = {
 607   "Wine Linux-input joystick driver",
 608   joydev_enum_deviceA,
 609   joydev_enum_deviceW,
 610   joydev_create_deviceA,
 611   joydev_create_deviceW
 612 };
 613
 614 /******************************************************************************
 615   *     Acquire : gets exclusive control of the joystick
 616   */
 617 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 618 {
 619     JoystickImpl *This = (JoystickImpl *)iface;
 620     HRESULT res;
 621
 622     TRACE("(this=%p)\n",This);
 623
 624     res = IDirectInputDevice2AImpl_Acquire(iface);
 625     if (res==DI_OK) {
 626       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 627         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 628           /* Couldn't open the device at all */
 629           perror(This->joydev->device);
 630           IDirectInputDevice2AImpl_Unacquire(iface);
 631           return DIERR_NOTFOUND;
 632         } else {
 633           /* Couldn't open in r/w but opened in read-only. */
 634           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 635         }
 636       }
 637     }
 638
 639     return res;
 640 }
 641
 642 /******************************************************************************
 643   *     Unacquire : frees the joystick
 644   */
 645 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 646 {
 647     JoystickImpl *This = (JoystickImpl *)iface;
 648     HRESULT res;
 649
 650     TRACE("(this=%p)\n",This);
 651     res = IDirectInputDevice2AImpl_Unacquire(iface);
 652     if (res==DI_OK && This->joyfd!=-1) {
 653       close(This->joyfd);
 654       This->joyfd = -1;
 655     }
 656     return res;
 657 }
 658
 659 /*
 660  * set the current state of the js device as it would be with the middle
 661  * values on the axes
 662  */
 663 #define CENTER_AXIS(a) \
 664     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
 665                                                 ji->joydev->axes[a].value ))
 666 static void fake_current_js_state(JoystickImpl *ji)
 667 {
 668     int i;
 669
 670     /* center the axes */
 671     ji->js.lX           = CENTER_AXIS(ABS_X);
 672     ji->js.lY           = CENTER_AXIS(ABS_Y);
 673     ji->js.lZ           = CENTER_AXIS(ABS_Z);
 674     ji->js.lRx          = CENTER_AXIS(ABS_RX);
 675     ji->js.lRy          = CENTER_AXIS(ABS_RY);
 676     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
 677     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
 678     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
 679
 680     /* POV center is -1 */
 681     for (i = 0; i < 4; i++)
 682         ji->js.rgdwPOV[i] = -1;
 683 }
 684 #undef CENTER_AXIS
 685
 686 /* convert wine format offset to user format object index */
 687 static void joy_polldev(JoystickImpl *This)
 688 {
 689     struct pollfd plfd;
 690     struct input_event ie;
 691
 692     if (This->joyfd==-1)
 693         return;
 694
 695     while (1)
 696     {
 697         LONG value = 0;
 698         int inst_id = -1;
 699
 700         plfd.fd = This->joyfd;
 701         plfd.events = POLLIN;
 702
 703         if (poll(&plfd,1,0) != 1)
 704             return;
 705
 706         /* we have one event, so we can read */
 707         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 708             return;
 709
 710         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 711         switch (ie.type) {
 712         case EV_KEY:    /* button */
 713         {
 714             int btn = This->buttons[ie.code];
 715
 716             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 717             if (btn & 0x80)
 718             {
 719                 btn &= 0x7F;
 720                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 721                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 722             }
 723             break;
 724         }
 725         case EV_ABS:
 726         {
 727             int axis = This->axes[ie.code];
 728             if (axis==-1) {
 729                 break;
 730             }
 731             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 732             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
 733
 734             switch (ie.code) {
 735             case ABS_X:         This->js.lX  = value; break;
 736             case ABS_Y:         This->js.lY  = value; break;
 737             case ABS_Z:         This->js.lZ  = value; break;
 738             case ABS_RX:        This->js.lRx = value; break;
 739             case ABS_RY:        This->js.lRy = value; break;
 740             case ABS_RZ:        This->js.lRz = value; break;
 741             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 742             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 743             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
 744             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
 745             {
 746                 int idx = (ie.code - ABS_HAT0X) / 2;
 747
 748                 if (ie.code % 2)
 749                     This->povs[idx].y = ie.value;
 750                 else
 751                     This->povs[idx].x = ie.value;
 752
 753                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 754                 break;
 755             }
 756             default:
 757                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 758             }
 759             break;
 760         }
 761 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 762         case EV_FF_STATUS:
 763             This->ff_state = ie.value;
 764             break;
 765 #endif
 766 #ifdef EV_SYN
 767         case EV_SYN:
 768             /* there is nothing to do */
 769             break;
 770 #endif
 771         default:
 772             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 773             break;
 774         }
 775         if (inst_id >= 0)
 776             queue_event((LPDIRECTINPUTDEVICE8A)This,
 777                         id_to_offset(&This->base.data_format, inst_id),
 778                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
 779     }
 780 }
 781
 782 /******************************************************************************
 783   *     GetDeviceState : returns the "state" of the joystick.
 784   *
 785   */
 786 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 787         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 788 ) {
 789     JoystickImpl *This = (JoystickImpl *)iface;
 790
 791     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 792
 793     if (!This->base.acquired)
 794     {
 795         WARN("not acquired\n");
 796         return DIERR_NOTACQUIRED;
 797     }
 798
 799     joy_polldev(This);
 800
 801     /* convert and copy data to user supplied buffer */
 802     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 803
 804     return DI_OK;
 805 }
 806
 807 /******************************************************************************
 808   *     SetProperty : change input device properties
 809   */
 810 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 811                                             REFGUID rguid,
 812                                             LPCDIPROPHEADER ph)
 813 {
 814   JoystickImpl *This = (JoystickImpl *)iface;
 815
 816   if (!ph) {
 817     WARN("invalid argument\n");
 818     return DIERR_INVALIDPARAM;
 819   }
 820
 821   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 822   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 823         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 824
 825   if (!HIWORD(rguid)) {
 826     switch (LOWORD(rguid)) {
 827     case (DWORD)DIPROP_RANGE: {
 828       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 829
 830       if (ph->dwHow == DIPH_DEVICE) {
 831         int i;
 832         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 833         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 834           /* Scale dead-zone */
 835           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
 836                                             This->props[i].lMax - This->props[i].lMin);
 837           This->props[i].lMin = pr->lMin;
 838           This->props[i].lMax = pr->lMax;
 839         }
 840       } else {
 841         int obj = find_property(&This->base.data_format, ph);
 842
 843         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 844         if (obj >= 0) {
 845           /* Scale dead-zone */
 846           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
 847                                               This->props[obj].lMax - This->props[obj].lMin);
 848           This->props[obj].lMin = pr->lMin;
 849           This->props[obj].lMax = pr->lMax;
 850         }
 851       }
 852       fake_current_js_state(This);
 853       break;
 854     }
 855     case (DWORD)DIPROP_DEADZONE: {
 856       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 857       if (ph->dwHow == DIPH_DEVICE) {
 858         int i;
 859         TRACE("deadzone(%d) all\n", pd->dwData);
 860         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 861           This->props[i].lDeadZone = pd->dwData;
 862         }
 863       } else {
 864         int obj = find_property(&This->base.data_format, ph);
 865
 866         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 867         if (obj >= 0) {
 868           This->props[obj].lDeadZone = pd->dwData;
 869         }
 870       }
 871       fake_current_js_state(This);
 872       break;
 873     }
 874     case (DWORD)DIPROP_CALIBRATIONMODE: {
 875       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 876       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 877       break;
 878     }
 879     case (DWORD)DIPROP_AUTOCENTER: {
 880       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 881
 882       FIXME("DIPROP_AUTOCENTER(%d)\n", pd->dwData);
 883       break;
 884     }
 885     default:
 886       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 887     }
 888   }
 889   return DI_OK;
 890 }
 891
 892 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 893         LPDIRECTINPUTDEVICE8A iface,
 894         LPDIDEVCAPS lpDIDevCaps)
 895 {
 896     JoystickImpl *This = (JoystickImpl *)iface;
 897
 898     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 899
 900     if (!lpDIDevCaps) {
 901         WARN("invalid pointer\n");
 902         return E_POINTER;
 903     }
 904
 905     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 906         WARN("invalid argument\n");
 907         return DIERR_INVALIDPARAM;
 908     }
 909
 910     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 911     if (This->base.dinput->dwVersion >= 0x0800)
 912         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 913     else
 914         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 915
 916     if (This->joydev->has_ff)
 917          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 918
 919     lpDIDevCaps->dwAxes = This->numAxes;
 920     lpDIDevCaps->dwButtons = This->numButtons;
 921     lpDIDevCaps->dwPOVs = This->numPOVs;
 922
 923     return DI_OK;
 924 }
 925
 926 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface)
 927 {
 928     JoystickImpl *This = (JoystickImpl *)iface;
 929
 930     TRACE("(%p)\n",This);
 931
 932     if (!This->base.acquired)
 933         return DIERR_NOTACQUIRED;
 934
 935     joy_polldev(This);
 936     return DI_OK;
 937 }
 938
 939 /******************************************************************************
 940   *     GetProperty : get input device properties
 941   */
 942 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 943                                                 REFGUID rguid,
 944                                                 LPDIPROPHEADER pdiph)
 945 {
 946     JoystickImpl *This = (JoystickImpl *)iface;
 947
 948     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 949     _dump_DIPROPHEADER(pdiph);
 950
 951     if (HIWORD(rguid)) return DI_OK;
 952
 953     switch (LOWORD(rguid)) {
 954     case (DWORD) DIPROP_RANGE:
 955     {
 956         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 957         int obj = find_property(&This->base.data_format, pdiph);
 958
 959         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 960
 961         pr->lMin = This->props[obj].lMin;
 962         pr->lMax = This->props[obj].lMax;
 963         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 964         break;
 965     }
 966     case (DWORD) DIPROP_DEADZONE:
 967     {
 968         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 969         int obj = find_property(&This->base.data_format, pdiph);
 970
 971         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 972
 973         pd->dwData = This->props[obj].lDeadZone;
 974         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 975         break;
 976     }
 977
 978     default:
 979         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 980     }
 981
 982     return DI_OK;
 983 }
 984
 985 /******************************************************************************
 986   *     GetObjectInfo : get information about a device object such as a button
 987   *                     or axis
 988   */
 989 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 990         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 991 {
 992     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 993     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 994     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 995     HRESULT res;
 996
 997     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 998     if (res != DI_OK) return res;
 999
1000     if      (pdidoi->dwType & DIDFT_AXIS)
1001         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
1002     else if (pdidoi->dwType & DIDFT_POV)
1003         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
1004     else if (pdidoi->dwType & DIDFT_BUTTON)
1005         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
1006
1007     _dump_OBJECTINSTANCEW(pdidoi);
1008     return res;
1009 }
1010
1011 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
1012         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
1013 {
1014     HRESULT res;
1015     DIDEVICEOBJECTINSTANCEW didoiW;
1016     DWORD dwSize = pdidoi->dwSize;
1017
1018     didoiW.dwSize = sizeof(didoiW);
1019     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
1020     if (res != DI_OK) return res;
1021
1022     memset(pdidoi, 0, pdidoi->dwSize);
1023     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
1024     pdidoi->dwSize = dwSize;
1025     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
1026                         sizeof(pdidoi->tszName), NULL, NULL);
1027
1028     return res;
1029 }
1030
1031 /******************************************************************************
1032   *     CreateEffect - Create a new FF effect with the specified params
1033   */
1034 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1035                                                  REFGUID rguid,
1036                                                  LPCDIEFFECT lpeff,
1037                                                  LPDIRECTINPUTEFFECT *ppdef,
1038                                                  LPUNKNOWN pUnkOuter)
1039 {
1040 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1041     EffectListItem* new = NULL;
1042     HRESULT retval = DI_OK;
1043 #endif
1044
1045     JoystickImpl* This = (JoystickImpl*)iface;
1046     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1047
1048 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1049     TRACE("not available (compiled w/o ff support)\n");
1050     *ppdef = NULL;
1051     return DI_OK;
1052 #else
1053
1054     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1055     new->next = This->top_effect;
1056     This->top_effect = new;
1057
1058     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1059     if (retval != DI_OK)
1060         return retval;
1061
1062     if (lpeff != NULL)
1063         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1064     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1065         return retval;
1066
1067     *ppdef = new->ref;
1068
1069     if (pUnkOuter != NULL)
1070         FIXME("Interface aggregation not implemented.\n");
1071
1072     return DI_OK;
1073
1074 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1075 }
1076
1077 /*******************************************************************************
1078  *      EnumEffects - Enumerate available FF effects
1079  */
1080 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1081                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1082                                                 LPVOID pvRef,
1083                                                 DWORD dwEffType)
1084 {
1085 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1086     DIEFFECTINFOA dei; /* feif */
1087     DWORD type = DIEFT_GETTYPE(dwEffType);
1088     JoystickImpl* This = (JoystickImpl*)iface;
1089
1090     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1091
1092     dei.dwSize = sizeof(DIEFFECTINFOA);
1093
1094     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1095         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1096         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1097         (*lpCallback)(&dei, pvRef);
1098     }
1099
1100     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1101         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1102         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1103             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1104             (*lpCallback)(&dei, pvRef);
1105         }
1106         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1107             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1108             (*lpCallback)(&dei, pvRef);
1109         }
1110         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1111             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1112             (*lpCallback)(&dei, pvRef);
1113         }
1114         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1115             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1116             (*lpCallback)(&dei, pvRef);
1117         }
1118         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1119             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1120             (*lpCallback)(&dei, pvRef);
1121         }
1122     }
1123
1124     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1125         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1126         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1127         (*lpCallback)(&dei, pvRef);
1128     }
1129
1130     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1131         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1132             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1133             (*lpCallback)(&dei, pvRef);
1134         }
1135         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1136             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1137             (*lpCallback)(&dei, pvRef);
1138         }
1139         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1140             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1141             (*lpCallback)(&dei, pvRef);
1142         }
1143         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1144             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1145             (*lpCallback)(&dei, pvRef);
1146         }
1147     }
1148
1149 #endif
1150
1151     return DI_OK;
1152 }
1153
1154 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1155                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1156                                                 LPVOID pvRef,
1157                                                 DWORD dwEffType)
1158 {
1159 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1160     /* seems silly to duplicate all this code but all the structures and functions
1161      * are actually different (A/W) */
1162     DIEFFECTINFOW dei; /* feif */
1163     DWORD type = DIEFT_GETTYPE(dwEffType);
1164     JoystickImpl* This = (JoystickImpl*)iface;
1165     int xfd = This->joyfd;
1166
1167     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1168
1169     dei.dwSize = sizeof(DIEFFECTINFOW);
1170
1171     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1172         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1173         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1174         (*lpCallback)(&dei, pvRef);
1175     }
1176
1177     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1178         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1179         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1180             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1181             (*lpCallback)(&dei, pvRef);
1182         }
1183         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1184             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1185             (*lpCallback)(&dei, pvRef);
1186         }
1187         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1188             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1189             (*lpCallback)(&dei, pvRef);
1190         }
1191         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1192             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1193             (*lpCallback)(&dei, pvRef);
1194         }
1195         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1196             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1197             (*lpCallback)(&dei, pvRef);
1198         }
1199     }
1200
1201     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1202         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1203         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1204         (*lpCallback)(&dei, pvRef);
1205     }
1206
1207     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1208         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1209             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1210             (*lpCallback)(&dei, pvRef);
1211         }
1212         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1213             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1214             (*lpCallback)(&dei, pvRef);
1215         }
1216         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1217             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1218             (*lpCallback)(&dei, pvRef);
1219         }
1220         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1221             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1222             (*lpCallback)(&dei, pvRef);
1223         }
1224     }
1225
1226     /* return to unacquired state if that's where it was */
1227     if (xfd == -1)
1228         IDirectInputDevice8_Unacquire(iface);
1229 #endif
1230
1231     return DI_OK;
1232 }
1233
1234 /*******************************************************************************
1235  *      GetEffectInfo - Get information about a particular effect
1236  */
1237 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1238                                                   LPDIEFFECTINFOA pdei,
1239                                                   REFGUID guid)
1240 {
1241     JoystickImpl* This = (JoystickImpl*)iface;
1242
1243     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1244
1245 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1246     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1247 #else
1248     return DI_OK;
1249 #endif
1250 }
1251
1252 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1253                                                   LPDIEFFECTINFOW pdei,
1254                                                   REFGUID guid)
1255 {
1256     JoystickImpl* This = (JoystickImpl*)iface;
1257
1258     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1259
1260 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1261     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1262 #else
1263     return DI_OK;
1264 #endif
1265 }
1266
1267 /*******************************************************************************
1268  *      GetForceFeedbackState - Get information about the device's FF state
1269  */
1270 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1271         LPDIRECTINPUTDEVICE8A iface,
1272         LPDWORD pdwOut)
1273 {
1274     JoystickImpl* This = (JoystickImpl*)iface;
1275
1276     TRACE("(this=%p,%p)\n", This, pdwOut);
1277
1278     (*pdwOut) = 0;
1279
1280 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1281     /* DIGFFS_STOPPED is the only mandatory flag to report */
1282     if (This->ff_state == FF_STATUS_STOPPED)
1283         (*pdwOut) |= DIGFFS_STOPPED;
1284 #endif
1285
1286     return DI_OK;
1287 }
1288
1289 /*******************************************************************************
1290  *      SendForceFeedbackCommand - Send a command to the device's FF system
1291  */
1292 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1293         LPDIRECTINPUTDEVICE8A iface,
1294         DWORD dwFlags)
1295 {
1296     JoystickImpl* This = (JoystickImpl*)iface;
1297     TRACE("(this=%p,%d)\n", This, dwFlags);
1298
1299 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1300     if (dwFlags == DISFFC_STOPALL) {
1301         /* Stop all effects */
1302         EffectListItem* itr = This->top_effect;
1303         while (itr) {
1304             IDirectInputEffect_Stop(itr->ref);
1305             itr = itr->next;
1306         }
1307     } else if (dwFlags == DISFFC_RESET) {
1308         /* Stop, unload, release and free all effects */
1309         /* This returns the device to its "bare" state */
1310         while (This->top_effect) {
1311             EffectListItem* temp = This->top_effect;
1312             IDirectInputEffect_Stop(temp->ref);
1313             IDirectInputEffect_Unload(temp->ref);
1314             IDirectInputEffect_Release(temp->ref);
1315             This->top_effect = temp->next;
1316             HeapFree(GetProcessHeap(), 0, temp);
1317         }
1318     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1319         FIXME("No support for Pause or Continue in linux\n");
1320     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1321                 || dwFlags == DISFFC_SETACTUATORSON) {
1322         FIXME("No direct actuator control in linux\n");
1323     } else {
1324         FIXME("Unknown Force Feedback Command!\n");
1325         return DIERR_INVALIDPARAM;
1326     }
1327     return DI_OK;
1328 #else
1329     return DIERR_UNSUPPORTED;
1330 #endif
1331 }
1332
1333 /*******************************************************************************
1334  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1335  *              created for this device.
1336  */
1337 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1338         LPDIRECTINPUTDEVICE8A iface,
1339         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1340         LPVOID pvRef,
1341         DWORD dwFlags)
1342 {
1343     /* this function is safe to call on non-ff-enabled builds */
1344
1345     JoystickImpl* This = (JoystickImpl*)iface;
1346     EffectListItem* itr = This->top_effect;
1347     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1348
1349     if (!lpCallback)
1350         return DIERR_INVALIDPARAM;
1351
1352     if (dwFlags != 0)
1353         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1354
1355     while (itr) {
1356         (*lpCallback)(itr->ref, pvRef);
1357         itr = itr->next;
1358     }
1359
1360     return DI_OK;
1361 }
1362
1363 /******************************************************************************
1364   *     GetDeviceInfo : get information about a device's identity
1365   */
1366 static HRESULT WINAPI JoystickAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface,
1367                                                   LPDIDEVICEINSTANCEA pdidi)
1368 {
1369     JoystickImpl *This = (JoystickImpl *)iface;
1370
1371     TRACE("(%p) %p\n", This, pdidi);
1372
1373     if (pdidi == NULL) return E_POINTER;
1374     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
1375         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)))
1376         return DIERR_INVALIDPARAM;
1377
1378     fill_joystick_dideviceinstanceA(pdidi, This->base.dinput->dwVersion,
1379                                     get_joystick_index(&This->base.guid));
1380     return DI_OK;
1381 }
1382
1383 static HRESULT WINAPI JoystickWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface,
1384                                                   LPDIDEVICEINSTANCEW pdidi)
1385 {
1386     JoystickImpl *This = (JoystickImpl *)iface;
1387
1388     TRACE("(%p) %p\n", This, pdidi);
1389
1390     if (pdidi == NULL) return E_POINTER;
1391     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
1392         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)))
1393         return DIERR_INVALIDPARAM;
1394
1395     fill_joystick_dideviceinstanceW(pdidi, This->base.dinput->dwVersion,
1396                                     get_joystick_index(&This->base.guid));
1397     return DI_OK;
1398 }
1399
1400 static const IDirectInputDevice8AVtbl JoystickAvt =
1401 {
1402         IDirectInputDevice2AImpl_QueryInterface,
1403         IDirectInputDevice2AImpl_AddRef,
1404         IDirectInputDevice2AImpl_Release,
1405         JoystickAImpl_GetCapabilities,
1406         IDirectInputDevice2AImpl_EnumObjects,
1407         JoystickAImpl_GetProperty,
1408         JoystickAImpl_SetProperty,
1409         JoystickAImpl_Acquire,
1410         JoystickAImpl_Unacquire,
1411         JoystickAImpl_GetDeviceState,
1412         IDirectInputDevice2AImpl_GetDeviceData,
1413         IDirectInputDevice2AImpl_SetDataFormat,
1414         IDirectInputDevice2AImpl_SetEventNotification,
1415         IDirectInputDevice2AImpl_SetCooperativeLevel,
1416         JoystickAImpl_GetObjectInfo,
1417         JoystickAImpl_GetDeviceInfo,
1418         IDirectInputDevice2AImpl_RunControlPanel,
1419         IDirectInputDevice2AImpl_Initialize,
1420         JoystickAImpl_CreateEffect,
1421         JoystickAImpl_EnumEffects,
1422         JoystickAImpl_GetEffectInfo,
1423         JoystickAImpl_GetForceFeedbackState,
1424         JoystickAImpl_SendForceFeedbackCommand,
1425         JoystickAImpl_EnumCreatedEffectObjects,
1426         IDirectInputDevice2AImpl_Escape,
1427         JoystickAImpl_Poll,
1428         IDirectInputDevice2AImpl_SendDeviceData,
1429         IDirectInputDevice7AImpl_EnumEffectsInFile,
1430         IDirectInputDevice7AImpl_WriteEffectToFile,
1431         IDirectInputDevice8AImpl_BuildActionMap,
1432         IDirectInputDevice8AImpl_SetActionMap,
1433         IDirectInputDevice8AImpl_GetImageInfo
1434 };
1435
1436 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1437 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1438 #else
1439 # define XCAST(fun)     (void*)
1440 #endif
1441
1442 static const IDirectInputDevice8WVtbl JoystickWvt =
1443 {
1444         IDirectInputDevice2WImpl_QueryInterface,
1445         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1446         XCAST(Release)IDirectInputDevice2AImpl_Release,
1447         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1448         IDirectInputDevice2WImpl_EnumObjects,
1449         XCAST(GetProperty)JoystickAImpl_GetProperty,
1450         XCAST(SetProperty)JoystickAImpl_SetProperty,
1451         XCAST(Acquire)JoystickAImpl_Acquire,
1452         XCAST(Unacquire)JoystickAImpl_Unacquire,
1453         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1454         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1455         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1456         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1457         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1458         JoystickWImpl_GetObjectInfo,
1459         JoystickWImpl_GetDeviceInfo,
1460         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1461         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1462         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1463         JoystickWImpl_EnumEffects,
1464         JoystickWImpl_GetEffectInfo,
1465         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1466         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1467         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1468         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1469         XCAST(Poll)JoystickAImpl_Poll,
1470         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1471         IDirectInputDevice7WImpl_EnumEffectsInFile,
1472         IDirectInputDevice7WImpl_WriteEffectToFile,
1473         IDirectInputDevice8WImpl_BuildActionMap,
1474         IDirectInputDevice8WImpl_SetActionMap,
1475         IDirectInputDevice8WImpl_GetImageInfo
1476 };
1477 #undef XCAST
1478
1479 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1480
1481 const struct dinput_device joystick_linuxinput_device = {
1482   "Wine Linux-input joystick driver",
1483   NULL,
1484   NULL,
1485   NULL,
1486   NULL
1487 };
1488
1489 #endif  /* HAVE_CORRECT_LINUXINPUT_H */