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 "dinput.h"
  62
  63 #include "dinput_private.h"
  64 #include "device_private.h"
  65
  66 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  67
  68
  69 /*
  70  * Maps POV x & y event values to a DX "clock" position:
  71  *         0
  72  *   31500    4500
  73  * 27000  -1    9000
  74  *   22500   13500
  75  *       18000
  76  */
  77 DWORD joystick_map_pov(POINTL *p)
  78 {
  79     if (p->x > 0)
  80         return p->y < 0 ?  4500 : !p->y ?  9000 : 13500;
  81     else if (p->x < 0)
  82         return p->y < 0 ? 31500 : !p->y ? 27000 : 22500;
  83     else
  84         return p->y < 0 ?     0 : !p->y ?    -1 : 18000;
  85 }
  86
  87 /*
  88  * This maps the read value (from the input event) to a value in the
  89  * 'wanted' range.
  90  */
  91 LONG joystick_map_axis(ObjProps *props, int val)
  92 {
  93     LONG ret;
  94     LONG center = (props->lMax - props->lMin) / 2;
  95
  96     /* map the value from the hmin-hmax range into the wmin-wmax range */
  97     ret = MulDiv( val - props->lDevMin, props->lMax - props->lMin,
  98                   props->lDevMax - props->lDevMin );
  99
 100     if (abs( ret - center ) <= props->lDeadZone / 2 )
 101         ret = center;
 102
 103     ret += props->lMin;
 104
 105     TRACE( "(%d %d) -> (%d <%d> %d): val=%d ret=%d\n",
 106            props->lDevMin, props->lDevMax,
 107            props->lMin, props->lDeadZone, props->lMax,
 108            val, ret );
 109
 110     return ret;
 111 }
 112
 113 #ifdef HAVE_CORRECT_LINUXINPUT_H
 114
 115 #define EVDEVPREFIX     "/dev/input/event"
 116
 117 /* Wine joystick driver object instances */
 118 #define WINE_JOYSTICK_MAX_AXES    8
 119 #define WINE_JOYSTICK_MAX_POVS    4
 120 #define WINE_JOYSTICK_MAX_BUTTONS 128
 121
 122 typedef struct EffectListItem EffectListItem;
 123 struct EffectListItem
 124 {
 125         LPDIRECTINPUTEFFECT ref;
 126         struct EffectListItem* next;
 127 };
 128
 129 /* implemented in effect_linuxinput.c */
 130 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
 131 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
 132 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
 133
 134 typedef struct JoystickImpl JoystickImpl;
 135 static const IDirectInputDevice8AVtbl JoystickAvt;
 136 static const IDirectInputDevice8WVtbl JoystickWvt;
 137
 138 struct JoyDev {
 139         char *device;
 140         char *name;
 141         GUID guid;
 142
 143         int has_ff;
 144         int num_effects;
 145
 146         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 147         BYTE                            evbits[(EV_MAX+7)/8];
 148         BYTE                            absbits[(ABS_MAX+7)/8];
 149         BYTE                            keybits[(KEY_MAX+7)/8];
 150         BYTE                            ffbits[(FF_MAX+7)/8];
 151
 152 #define AXIS_ABS     0
 153 #define AXIS_ABSMIN  1
 154 #define AXIS_ABSMAX  2
 155 #define AXIS_ABSFUZZ 3
 156 #define AXIS_ABSFLAT 4
 157
 158         /* data returned by the EVIOCGABS() ioctl */
 159         int                             axes[ABS_MAX][5];
 160 };
 161
 162 struct ObjProps
 163 {
 164         /* what we have */
 165         LONG                            havemax;
 166         LONG                            havemin;
 167         /* what range and deadzone the game wants */
 168         LONG                            wantmin;
 169         LONG                            wantmax;
 170         LONG                            deadzone;
 171 };
 172
 173 struct JoystickImpl
 174 {
 175         struct IDirectInputDevice2AImpl base;
 176
 177         struct JoyDev                  *joydev;
 178
 179         /* joystick private */
 180         int                             joyfd;
 181
 182         DIJOYSTATE2                     js;
 183
 184         ObjProps                        props[ABS_MAX];
 185
 186         int                             axes[ABS_MAX];
 187         POINTL                          povs[4];
 188
 189         /* LUT for KEY_ to offset in rgbButtons */
 190         BYTE                            buttons[KEY_MAX];
 191
 192         DWORD                           numAxes;
 193         DWORD                           numPOVs;
 194         DWORD                           numButtons;
 195
 196         /* Force feedback variables */
 197         EffectListItem*                 top_effect;
 198         int                             ff_state;
 199 };
 200
 201 static void fake_current_js_state(JoystickImpl *ji);
 202 static void find_joydevs(void);
 203
 204 /* This GUID is slightly different from the linux joystick one. Take note. */
 205 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 206   0x9e573eda,
 207   0x7734,
 208   0x11d2,
 209   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 210 };
 211
 212 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 213
 214 #define MAX_JOYDEV 64
 215
 216 static int have_joydevs = -1;
 217 static struct JoyDev *joydevs = NULL;
 218
 219 static void find_joydevs(void)
 220 {
 221   int i;
 222
 223   if (have_joydevs!=-1) {
 224     return;
 225   }
 226
 227   have_joydevs = 0;
 228
 229   for (i=0;i<MAX_JOYDEV;i++) {
 230     char        buf[MAX_PATH];
 231     struct JoyDev joydev = {0};
 232     int fd;
 233     int no_ff_check = 0;
 234     int j;
 235
 236     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 237     buf[MAX_PATH-1] = 0;
 238
 239     if ((fd=open(buf, O_RDWR))==-1) {
 240       fd = open(buf, O_RDONLY);
 241       no_ff_check = 1;
 242     }
 243
 244     if (fd!=-1) {
 245
 246       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 247         perror("EVIOCGBIT 0");
 248         close(fd);
 249         continue;
 250       }
 251       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 252         perror("EVIOCGBIT EV_ABS");
 253         close(fd);
 254         continue;
 255       }
 256       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 257         perror("EVIOCGBIT EV_KEY");
 258         close(fd);
 259         continue;
 260       }
 261       /* A true joystick has at least axis X and Y, and at least 1
 262        * button. copied from linux/drivers/input/joydev.c */
 263       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 264           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 265               test_bit(joydev.keybits,BTN_A)    ||
 266               test_bit(joydev.keybits,BTN_1)
 267           )
 268          ) {
 269
 270         joydev.device = strdup(buf);
 271
 272         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 273           buf[MAX_PATH-1] = 0;
 274           joydev.name = strdup(buf);
 275         } else {
 276           joydev.name = joydev.device;
 277         }
 278
 279         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 280         joydev.guid.Data3 += have_joydevs;
 281
 282         TRACE("Found a joystick on %s: %s (%s)\n",
 283             joydev.device, joydev.name,
 284             debugstr_guid(&joydev.guid)
 285             );
 286
 287 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 288         if (!no_ff_check &&
 289             test_bit(joydev.evbits, EV_FF) &&
 290             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
 291             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
 292             joydev.num_effects > 0)
 293         {
 294             TRACE(" ... with force feedback\n");
 295             joydev.has_ff = 1;
 296         }
 297 #endif
 298
 299         for (j=0;j<ABS_MAX;j++) {
 300           if (test_bit(joydev.absbits,j)) {
 301             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 302               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 303                   j,
 304                   joydev.axes[j][AXIS_ABS],
 305                   joydev.axes[j][AXIS_ABSMIN],
 306                   joydev.axes[j][AXIS_ABSMAX],
 307                   joydev.axes[j][AXIS_ABSFUZZ],
 308                   joydev.axes[j][AXIS_ABSFLAT]
 309                   );
 310             }
 311           }
 312         }
 313
 314         if (have_joydevs==0) {
 315           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 316         } else {
 317           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 318         }
 319         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 320         have_joydevs++;
 321       }
 322
 323       close(fd);
 324     }
 325   }
 326 }
 327
 328 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 329 {
 330   find_joydevs();
 331
 332   if (id >= have_joydevs) {
 333     return FALSE;
 334   }
 335
 336   if (!((dwDevType == 0) ||
 337         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 338         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 339     return FALSE;
 340
 341 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 342   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 343     return FALSE;
 344 #endif
 345
 346   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 347     lpddi->guidInstance = joydevs[id].guid;
 348     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 349
 350     lpddi->guidFFDriver = GUID_NULL;
 351     if (version >= 0x0800)
 352       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 353     else
 354       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 355
 356     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 357     strcpy(lpddi->tszProductName, joydevs[id].device);
 358     return TRUE;
 359   }
 360   return FALSE;
 361 }
 362
 363 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 364 {
 365   find_joydevs();
 366
 367   if (id >= have_joydevs) {
 368     return FALSE;
 369   }
 370
 371   if (!((dwDevType == 0) ||
 372         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 373         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 374     return FALSE;
 375
 376 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 377   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 378     return FALSE;
 379 #endif
 380
 381   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 382     lpddi->guidInstance = joydevs[id].guid;
 383     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 384
 385     lpddi->guidFFDriver = GUID_NULL;
 386     if (version >= 0x0800)
 387       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 388     else
 389       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 390
 391     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 392     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 393     return TRUE;
 394   }
 395   return FALSE;
 396 }
 397
 398 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, unsigned short index)
 399 {
 400     JoystickImpl* newDevice;
 401     LPDIDATAFORMAT df = NULL;
 402     int i, idx = 0;
 403
 404     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
 405     if (!newDevice) return NULL;
 406
 407   newDevice->base.lpVtbl = jvt;
 408   newDevice->base.ref = 1;
 409   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
 410   InitializeCriticalSection(&newDevice->base.crit);
 411   newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
 412   newDevice->joyfd = -1;
 413   newDevice->base.dinput = dinput;
 414   newDevice->joydev = &joydevs[index];
 415 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 416   newDevice->ff_state = FF_STATUS_STOPPED;
 417 #endif
 418
 419     /* Create copy of default data format */
 420     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
 421     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 422     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
 423
 424     /* Supported Axis & POVs should map 1-to-1 */
 425     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
 426     {
 427         if (!test_bit(newDevice->joydev->absbits, i)) {
 428             newDevice->axes[i] = -1;
 429             continue;
 430         }
 431
 432         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
 433         newDevice->axes[i] = idx;
 434         newDevice->props[idx].lDevMin = newDevice->joydev->axes[i][AXIS_ABSMIN];
 435         newDevice->props[idx].lDevMax = newDevice->joydev->axes[i][AXIS_ABSMAX];
 436         newDevice->props[idx].lMin    = 0;
 437         newDevice->props[idx].lMax    = 0xffff;
 438         newDevice->props[idx].lSaturation = 0;
 439         newDevice->props[idx].lDeadZone = MulDiv(newDevice->joydev->axes[i][AXIS_ABSFLAT], 0xffff,
 440              newDevice->props[idx].lDevMax - newDevice->props[idx].lDevMin);
 441
 442         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
 443     }
 444
 445     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
 446     {
 447         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
 448             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
 449             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
 450             continue;
 451         }
 452
 453         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
 454         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
 455         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
 456     }
 457
 458     /* Buttons can be anywhere, so check all */
 459     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
 460     {
 461         if (!test_bit(newDevice->joydev->keybits, i)) continue;
 462
 463         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 464         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
 465         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
 466     }
 467     df->dwNumObjs = idx;
 468
 469     fake_current_js_state(newDevice);
 470
 471     newDevice->base.data_format.wine_df = df;
 472     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
 473     return newDevice;
 474
 475 failed:
 476     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 477     HeapFree(GetProcessHeap(), 0, df);
 478     HeapFree(GetProcessHeap(), 0, newDevice);
 479     return NULL;
 480 }
 481
 482 /******************************************************************************
 483   *     get_joystick_index : Get the joystick index from a given GUID
 484   */
 485 static unsigned short get_joystick_index(REFGUID guid)
 486 {
 487     GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
 488     GUID dev_guid = *guid;
 489
 490     wine_joystick.Data3 = 0;
 491     dev_guid.Data3 = 0;
 492
 493     /* for the standard joystick GUID use index 0 */
 494     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 495
 496     /* for the wine joystick GUIDs use the index stored in Data3 */
 497     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
 498
 499     return MAX_JOYDEV;
 500 }
 501
 502 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 503 {
 504     unsigned short index;
 505
 506     find_joydevs();
 507
 508     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV) {
 509       if ((riid == NULL) ||
 510       IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 511       IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 512       IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 513       IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 514         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, index);
 515         TRACE("Creating a Joystick device (%p)\n", *pdev);
 516         if (*pdev==0) {
 517           ERR("out of memory\n");
 518           return DIERR_OUTOFMEMORY;
 519         }
 520         return DI_OK;
 521       } else {
 522         return DIERR_NOINTERFACE;
 523       }
 524     }
 525
 526     return DIERR_DEVICENOTREG;
 527 }
 528
 529
 530 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 531 {
 532     unsigned short index;
 533
 534     find_joydevs();
 535
 536     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV) {
 537       if ((riid == NULL) ||
 538       IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 539       IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 540       IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 541       IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 542         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
 543         TRACE("Creating a Joystick device (%p)\n", *pdev);
 544         if (*pdev==0) {
 545           ERR("out of memory\n");
 546           return DIERR_OUTOFMEMORY;
 547         }
 548         return DI_OK;
 549       } else {
 550         return DIERR_NOINTERFACE;
 551       }
 552     }
 553
 554     return DIERR_DEVICENOTREG;
 555 }
 556
 557 const struct dinput_device joystick_linuxinput_device = {
 558   "Wine Linux-input joystick driver",
 559   joydev_enum_deviceA,
 560   joydev_enum_deviceW,
 561   joydev_create_deviceA,
 562   joydev_create_deviceW
 563 };
 564
 565 /******************************************************************************
 566   *     Acquire : gets exclusive control of the joystick
 567   */
 568 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 569 {
 570     JoystickImpl *This = (JoystickImpl *)iface;
 571     HRESULT res;
 572
 573     TRACE("(this=%p)\n",This);
 574
 575     res = IDirectInputDevice2AImpl_Acquire(iface);
 576     if (res==DI_OK) {
 577       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 578         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 579           /* Couldn't open the device at all */
 580           perror(This->joydev->device);
 581           IDirectInputDevice2AImpl_Unacquire(iface);
 582           return DIERR_NOTFOUND;
 583         } else {
 584           /* Couldn't open in r/w but opened in read-only. */
 585           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 586         }
 587       }
 588     }
 589
 590     return res;
 591 }
 592
 593 /******************************************************************************
 594   *     Unacquire : frees the joystick
 595   */
 596 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 597 {
 598     JoystickImpl *This = (JoystickImpl *)iface;
 599     HRESULT res;
 600
 601     TRACE("(this=%p)\n",This);
 602     res = IDirectInputDevice2AImpl_Unacquire(iface);
 603     if (res==DI_OK && This->joyfd!=-1) {
 604       close(This->joyfd);
 605       This->joyfd = -1;
 606     }
 607     return res;
 608 }
 609
 610 /*
 611  * set the current state of the js device as it would be with the middle
 612  * values on the axes
 613  */
 614 #define CENTER_AXIS(a) \
 615     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
 616                                                 ji->joydev->axes[a][AXIS_ABS] ))
 617 static void fake_current_js_state(JoystickImpl *ji)
 618 {
 619     int i;
 620
 621     /* center the axes */
 622     ji->js.lX           = CENTER_AXIS(ABS_X);
 623     ji->js.lY           = CENTER_AXIS(ABS_Y);
 624     ji->js.lZ           = CENTER_AXIS(ABS_Z);
 625     ji->js.lRx          = CENTER_AXIS(ABS_RX);
 626     ji->js.lRy          = CENTER_AXIS(ABS_RY);
 627     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
 628     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
 629     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
 630
 631     /* POV center is -1 */
 632     for (i = 0; i < 4; i++)
 633         ji->js.rgdwPOV[i] = -1;
 634 }
 635 #undef CENTER_AXIS
 636
 637 /* convert wine format offset to user format object index */
 638 static void joy_polldev(JoystickImpl *This)
 639 {
 640     struct pollfd plfd;
 641     struct input_event ie;
 642
 643     if (This->joyfd==-1)
 644         return;
 645
 646     while (1)
 647     {
 648         LONG value = 0;
 649         int inst_id = -1;
 650
 651         plfd.fd = This->joyfd;
 652         plfd.events = POLLIN;
 653
 654         if (poll(&plfd,1,0) != 1)
 655             return;
 656
 657         /* we have one event, so we can read */
 658         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 659             return;
 660
 661         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 662         switch (ie.type) {
 663         case EV_KEY:    /* button */
 664         {
 665             int btn = This->buttons[ie.code];
 666
 667             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 668             if (btn & 0x80)
 669             {
 670                 btn &= 0x7F;
 671                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 672                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 673             }
 674             break;
 675         }
 676         case EV_ABS:
 677         {
 678             int axis = This->axes[ie.code];
 679             if (axis==-1) {
 680                 break;
 681             }
 682             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 683             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
 684
 685             switch (ie.code) {
 686             case ABS_X:         This->js.lX  = value; break;
 687             case ABS_Y:         This->js.lY  = value; break;
 688             case ABS_Z:         This->js.lZ  = value; break;
 689             case ABS_RX:        This->js.lRx = value; break;
 690             case ABS_RY:        This->js.lRy = value; break;
 691             case ABS_RZ:        This->js.lRz = value; break;
 692             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 693             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 694             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
 695             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
 696             {
 697                 int idx = (ie.code - ABS_HAT0X) / 2;
 698
 699                 if (ie.code % 2)
 700                     This->povs[idx].y = ie.value;
 701                 else
 702                     This->povs[idx].x = ie.value;
 703
 704                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 705                 break;
 706             }
 707             default:
 708                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 709             }
 710             break;
 711         }
 712 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 713         case EV_FF_STATUS:
 714             This->ff_state = ie.value;
 715             break;
 716 #endif
 717 #ifdef EV_SYN
 718         case EV_SYN:
 719             /* there is nothing to do */
 720             break;
 721 #endif
 722         default:
 723             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 724             break;
 725         }
 726         if (inst_id >= 0)
 727             queue_event((LPDIRECTINPUTDEVICE8A)This,
 728                         id_to_offset(&This->base.data_format, inst_id),
 729                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
 730     }
 731 }
 732
 733 /******************************************************************************
 734   *     GetDeviceState : returns the "state" of the joystick.
 735   *
 736   */
 737 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 738         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 739 ) {
 740     JoystickImpl *This = (JoystickImpl *)iface;
 741
 742     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 743
 744     if (This->joyfd==-1) {
 745         WARN("not acquired\n");
 746         return DIERR_NOTACQUIRED;
 747     }
 748
 749     joy_polldev(This);
 750
 751     /* convert and copy data to user supplied buffer */
 752     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 753
 754     return DI_OK;
 755 }
 756
 757 /******************************************************************************
 758   *     SetProperty : change input device properties
 759   */
 760 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 761                                             REFGUID rguid,
 762                                             LPCDIPROPHEADER ph)
 763 {
 764   JoystickImpl *This = (JoystickImpl *)iface;
 765
 766   if (!ph) {
 767     WARN("invalid argument\n");
 768     return DIERR_INVALIDPARAM;
 769   }
 770
 771   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 772   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 773         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 774
 775   if (!HIWORD(rguid)) {
 776     switch (LOWORD(rguid)) {
 777     case (DWORD)DIPROP_RANGE: {
 778       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 779
 780       if (ph->dwHow == DIPH_DEVICE) {
 781         int i;
 782         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 783         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 784           /* Scale dead-zone */
 785           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
 786                                             This->props[i].lMax - This->props[i].lMin);
 787           This->props[i].lMin = pr->lMin;
 788           This->props[i].lMax = pr->lMax;
 789         }
 790       } else {
 791         int obj = find_property(&This->base.data_format, ph);
 792
 793         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 794         if (obj >= 0) {
 795           /* Scale dead-zone */
 796           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
 797                                               This->props[obj].lMax - This->props[obj].lMin);
 798           This->props[obj].lMin = pr->lMin;
 799           This->props[obj].lMax = pr->lMax;
 800         }
 801       }
 802       fake_current_js_state(This);
 803       break;
 804     }
 805     case (DWORD)DIPROP_DEADZONE: {
 806       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 807       if (ph->dwHow == DIPH_DEVICE) {
 808         int i;
 809         TRACE("deadzone(%d) all\n", pd->dwData);
 810         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 811           This->props[i].lDeadZone = pd->dwData;
 812         }
 813       } else {
 814         int obj = find_property(&This->base.data_format, ph);
 815
 816         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 817         if (obj >= 0) {
 818           This->props[obj].lDeadZone = pd->dwData;
 819         }
 820       }
 821       fake_current_js_state(This);
 822       break;
 823     }
 824     case (DWORD)DIPROP_CALIBRATIONMODE: {
 825       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 826       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 827       break;
 828     }
 829     default:
 830       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 831     }
 832   }
 833   return DI_OK;
 834 }
 835
 836 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 837         LPDIRECTINPUTDEVICE8A iface,
 838         LPDIDEVCAPS lpDIDevCaps)
 839 {
 840     JoystickImpl *This = (JoystickImpl *)iface;
 841
 842     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 843
 844     if (!lpDIDevCaps) {
 845         WARN("invalid pointer\n");
 846         return E_POINTER;
 847     }
 848
 849     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 850         WARN("invalid argument\n");
 851         return DIERR_INVALIDPARAM;
 852     }
 853
 854     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 855     if (This->base.dinput->dwVersion >= 0x0800)
 856         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 857     else
 858         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 859
 860     if (This->joydev->has_ff)
 861          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 862
 863     lpDIDevCaps->dwAxes = This->numAxes;
 864     lpDIDevCaps->dwButtons = This->numButtons;
 865     lpDIDevCaps->dwPOVs = This->numPOVs;
 866
 867     return DI_OK;
 868 }
 869
 870 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 871     JoystickImpl *This = (JoystickImpl *)iface;
 872     TRACE("(%p)\n",This);
 873
 874     if (This->joyfd==-1) {
 875       return DIERR_NOTACQUIRED;
 876     }
 877
 878     joy_polldev(This);
 879     return DI_OK;
 880 }
 881
 882 /******************************************************************************
 883   *     GetProperty : get input device properties
 884   */
 885 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 886                                                 REFGUID rguid,
 887                                                 LPDIPROPHEADER pdiph)
 888 {
 889     JoystickImpl *This = (JoystickImpl *)iface;
 890
 891     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 892     _dump_DIPROPHEADER(pdiph);
 893
 894     if (HIWORD(rguid)) return DI_OK;
 895
 896     switch (LOWORD(rguid)) {
 897     case (DWORD) DIPROP_RANGE:
 898     {
 899         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 900         int obj = find_property(&This->base.data_format, pdiph);
 901
 902         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 903
 904         pr->lMin = This->props[obj].lMin;
 905         pr->lMax = This->props[obj].lMax;
 906         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 907         break;
 908     }
 909     case (DWORD) DIPROP_DEADZONE:
 910     {
 911         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 912         int obj = find_property(&This->base.data_format, pdiph);
 913
 914         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 915
 916         pd->dwData = This->props[obj].lDeadZone;
 917         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 918         break;
 919     }
 920
 921     default:
 922         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 923     }
 924
 925     return DI_OK;
 926 }
 927
 928 /******************************************************************************
 929   *     GetObjectInfo : get information about a device object such as a button
 930   *                     or axis
 931   */
 932 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 933         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 934 {
 935     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 936     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 937     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 938     HRESULT res;
 939
 940     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 941     if (res != DI_OK) return res;
 942
 943     if      (pdidoi->dwType & DIDFT_AXIS)
 944         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
 945     else if (pdidoi->dwType & DIDFT_POV)
 946         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
 947     else if (pdidoi->dwType & DIDFT_BUTTON)
 948         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
 949
 950     _dump_OBJECTINSTANCEW(pdidoi);
 951     return res;
 952 }
 953
 954 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
 955         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
 956 {
 957     HRESULT res;
 958     DIDEVICEOBJECTINSTANCEW didoiW;
 959     DWORD dwSize = pdidoi->dwSize;
 960
 961     didoiW.dwSize = sizeof(didoiW);
 962     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
 963     if (res != DI_OK) return res;
 964
 965     memset(pdidoi, 0, pdidoi->dwSize);
 966     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
 967     pdidoi->dwSize = dwSize;
 968     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
 969                         sizeof(pdidoi->tszName), NULL, NULL);
 970
 971     return res;
 972 }
 973
 974 /******************************************************************************
 975   *     CreateEffect - Create a new FF effect with the specified params
 976   */
 977 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
 978                                                  REFGUID rguid,
 979                                                  LPCDIEFFECT lpeff,
 980                                                  LPDIRECTINPUTEFFECT *ppdef,
 981                                                  LPUNKNOWN pUnkOuter)
 982 {
 983 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 984     EffectListItem* new = NULL;
 985     HRESULT retval = DI_OK;
 986 #endif
 987
 988     JoystickImpl* This = (JoystickImpl*)iface;
 989     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
 990
 991 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 992     TRACE("not available (compiled w/o ff support)\n");
 993     *ppdef = NULL;
 994     return DI_OK;
 995 #else
 996
 997     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
 998     new->next = This->top_effect;
 999     This->top_effect = new;
1000
1001     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1002     if (retval != DI_OK)
1003         return retval;
1004
1005     if (lpeff != NULL)
1006         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1007     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1008         return retval;
1009
1010     *ppdef = new->ref;
1011
1012     if (pUnkOuter != NULL)
1013         FIXME("Interface aggregation not implemented.\n");
1014
1015     return DI_OK;
1016
1017 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1018 }
1019
1020 /*******************************************************************************
1021  *      EnumEffects - Enumerate available FF effects
1022  */
1023 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1024                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1025                                                 LPVOID pvRef,
1026                                                 DWORD dwEffType)
1027 {
1028 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1029     DIEFFECTINFOA dei; /* feif */
1030     DWORD type = DIEFT_GETTYPE(dwEffType);
1031     JoystickImpl* This = (JoystickImpl*)iface;
1032
1033     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1034
1035     dei.dwSize = sizeof(DIEFFECTINFOA);
1036
1037     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1038         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1039         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1040         (*lpCallback)(&dei, pvRef);
1041     }
1042
1043     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1044         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1045         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1046             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1047             (*lpCallback)(&dei, pvRef);
1048         }
1049         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1050             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1051             (*lpCallback)(&dei, pvRef);
1052         }
1053         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1054             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1055             (*lpCallback)(&dei, pvRef);
1056         }
1057         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1058             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1059             (*lpCallback)(&dei, pvRef);
1060         }
1061         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1062             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1063             (*lpCallback)(&dei, pvRef);
1064         }
1065     }
1066
1067     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1068         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1069         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1070         (*lpCallback)(&dei, pvRef);
1071     }
1072
1073     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1074         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1075             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1076             (*lpCallback)(&dei, pvRef);
1077         }
1078         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1079             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1080             (*lpCallback)(&dei, pvRef);
1081         }
1082         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1083             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1084             (*lpCallback)(&dei, pvRef);
1085         }
1086         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1087             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1088             (*lpCallback)(&dei, pvRef);
1089         }
1090     }
1091
1092 #endif
1093
1094     return DI_OK;
1095 }
1096
1097 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1098                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1099                                                 LPVOID pvRef,
1100                                                 DWORD dwEffType)
1101 {
1102 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1103     /* seems silly to duplicate all this code but all the structures and functions
1104      * are actually different (A/W) */
1105     DIEFFECTINFOW dei; /* feif */
1106     DWORD type = DIEFT_GETTYPE(dwEffType);
1107     JoystickImpl* This = (JoystickImpl*)iface;
1108     int xfd = This->joyfd;
1109
1110     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1111
1112     dei.dwSize = sizeof(DIEFFECTINFOW);
1113
1114     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1115         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1116         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1117         (*lpCallback)(&dei, pvRef);
1118     }
1119
1120     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1121         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1122         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1123             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1124             (*lpCallback)(&dei, pvRef);
1125         }
1126         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1127             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1128             (*lpCallback)(&dei, pvRef);
1129         }
1130         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1131             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1132             (*lpCallback)(&dei, pvRef);
1133         }
1134         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1135             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1136             (*lpCallback)(&dei, pvRef);
1137         }
1138         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1139             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1140             (*lpCallback)(&dei, pvRef);
1141         }
1142     }
1143
1144     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1145         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1146         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1147         (*lpCallback)(&dei, pvRef);
1148     }
1149
1150     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1151         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1152             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1153             (*lpCallback)(&dei, pvRef);
1154         }
1155         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1156             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1157             (*lpCallback)(&dei, pvRef);
1158         }
1159         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1160             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1161             (*lpCallback)(&dei, pvRef);
1162         }
1163         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1164             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1165             (*lpCallback)(&dei, pvRef);
1166         }
1167     }
1168
1169     /* return to unacquired state if that's where it was */
1170     if (xfd == -1)
1171         IDirectInputDevice8_Unacquire(iface);
1172 #endif
1173
1174     return DI_OK;
1175 }
1176
1177 /*******************************************************************************
1178  *      GetEffectInfo - Get information about a particular effect
1179  */
1180 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1181                                                   LPDIEFFECTINFOA pdei,
1182                                                   REFGUID guid)
1183 {
1184     JoystickImpl* This = (JoystickImpl*)iface;
1185
1186     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1187
1188 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1189     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1190 #else
1191     return DI_OK;
1192 #endif
1193 }
1194
1195 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1196                                                   LPDIEFFECTINFOW pdei,
1197                                                   REFGUID guid)
1198 {
1199     JoystickImpl* This = (JoystickImpl*)iface;
1200
1201     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1202
1203 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1204     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1205 #else
1206     return DI_OK;
1207 #endif
1208 }
1209
1210 /*******************************************************************************
1211  *      GetForceFeedbackState - Get information about the device's FF state
1212  */
1213 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1214         LPDIRECTINPUTDEVICE8A iface,
1215         LPDWORD pdwOut)
1216 {
1217     JoystickImpl* This = (JoystickImpl*)iface;
1218
1219     TRACE("(this=%p,%p)\n", This, pdwOut);
1220
1221     (*pdwOut) = 0;
1222
1223 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1224     /* DIGFFS_STOPPED is the only mandatory flag to report */
1225     if (This->ff_state == FF_STATUS_STOPPED)
1226         (*pdwOut) |= DIGFFS_STOPPED;
1227 #endif
1228
1229     return DI_OK;
1230 }
1231
1232 /*******************************************************************************
1233  *      SendForceFeedbackCommand - Send a command to the device's FF system
1234  */
1235 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1236         LPDIRECTINPUTDEVICE8A iface,
1237         DWORD dwFlags)
1238 {
1239     JoystickImpl* This = (JoystickImpl*)iface;
1240     TRACE("(this=%p,%d)\n", This, dwFlags);
1241
1242 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1243     if (dwFlags == DISFFC_STOPALL) {
1244         /* Stop all effects */
1245         EffectListItem* itr = This->top_effect;
1246         while (itr) {
1247             IDirectInputEffect_Stop(itr->ref);
1248             itr = itr->next;
1249         }
1250     } else if (dwFlags == DISFFC_RESET) {
1251         /* Stop, unload, release and free all effects */
1252         /* This returns the device to its "bare" state */
1253         while (This->top_effect) {
1254             EffectListItem* temp = This->top_effect;
1255             IDirectInputEffect_Stop(temp->ref);
1256             IDirectInputEffect_Unload(temp->ref);
1257             IDirectInputEffect_Release(temp->ref);
1258             This->top_effect = temp->next;
1259             HeapFree(GetProcessHeap(), 0, temp);
1260         }
1261     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1262         FIXME("No support for Pause or Continue in linux\n");
1263     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1264                 || dwFlags == DISFFC_SETACTUATORSON) {
1265         FIXME("No direct actuator control in linux\n");
1266     } else {
1267         FIXME("Unknown Force Feedback Command!\n");
1268         return DIERR_INVALIDPARAM;
1269     }
1270     return DI_OK;
1271 #else
1272     return DIERR_UNSUPPORTED;
1273 #endif
1274 }
1275
1276 /*******************************************************************************
1277  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1278  *              created for this device.
1279  */
1280 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1281         LPDIRECTINPUTDEVICE8A iface,
1282         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1283         LPVOID pvRef,
1284         DWORD dwFlags)
1285 {
1286     /* this function is safe to call on non-ff-enabled builds */
1287
1288     JoystickImpl* This = (JoystickImpl*)iface;
1289     EffectListItem* itr = This->top_effect;
1290     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1291
1292     if (!lpCallback)
1293         return DIERR_INVALIDPARAM;
1294
1295     if (dwFlags != 0)
1296         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1297
1298     while (itr) {
1299         (*lpCallback)(itr->ref, pvRef);
1300         itr = itr->next;
1301     }
1302
1303     return DI_OK;
1304 }
1305
1306 static const IDirectInputDevice8AVtbl JoystickAvt =
1307 {
1308         IDirectInputDevice2AImpl_QueryInterface,
1309         IDirectInputDevice2AImpl_AddRef,
1310         IDirectInputDevice2AImpl_Release,
1311         JoystickAImpl_GetCapabilities,
1312         IDirectInputDevice2AImpl_EnumObjects,
1313         JoystickAImpl_GetProperty,
1314         JoystickAImpl_SetProperty,
1315         JoystickAImpl_Acquire,
1316         JoystickAImpl_Unacquire,
1317         JoystickAImpl_GetDeviceState,
1318         IDirectInputDevice2AImpl_GetDeviceData,
1319         IDirectInputDevice2AImpl_SetDataFormat,
1320         IDirectInputDevice2AImpl_SetEventNotification,
1321         IDirectInputDevice2AImpl_SetCooperativeLevel,
1322         JoystickAImpl_GetObjectInfo,
1323         IDirectInputDevice2AImpl_GetDeviceInfo,
1324         IDirectInputDevice2AImpl_RunControlPanel,
1325         IDirectInputDevice2AImpl_Initialize,
1326         JoystickAImpl_CreateEffect,
1327         JoystickAImpl_EnumEffects,
1328         JoystickAImpl_GetEffectInfo,
1329         JoystickAImpl_GetForceFeedbackState,
1330         JoystickAImpl_SendForceFeedbackCommand,
1331         JoystickAImpl_EnumCreatedEffectObjects,
1332         IDirectInputDevice2AImpl_Escape,
1333         JoystickAImpl_Poll,
1334         IDirectInputDevice2AImpl_SendDeviceData,
1335         IDirectInputDevice7AImpl_EnumEffectsInFile,
1336         IDirectInputDevice7AImpl_WriteEffectToFile,
1337         IDirectInputDevice8AImpl_BuildActionMap,
1338         IDirectInputDevice8AImpl_SetActionMap,
1339         IDirectInputDevice8AImpl_GetImageInfo
1340 };
1341
1342 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1343 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1344 #else
1345 # define XCAST(fun)     (void*)
1346 #endif
1347
1348 static const IDirectInputDevice8WVtbl JoystickWvt =
1349 {
1350         IDirectInputDevice2WImpl_QueryInterface,
1351         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1352         XCAST(Release)IDirectInputDevice2AImpl_Release,
1353         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1354         IDirectInputDevice2WImpl_EnumObjects,
1355         XCAST(GetProperty)JoystickAImpl_GetProperty,
1356         XCAST(SetProperty)JoystickAImpl_SetProperty,
1357         XCAST(Acquire)JoystickAImpl_Acquire,
1358         XCAST(Unacquire)JoystickAImpl_Unacquire,
1359         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1360         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1361         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1362         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1363         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1364         JoystickWImpl_GetObjectInfo,
1365         IDirectInputDevice2WImpl_GetDeviceInfo,
1366         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1367         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1368         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1369         JoystickWImpl_EnumEffects,
1370         JoystickWImpl_GetEffectInfo,
1371         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1372         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1373         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1374         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1375         XCAST(Poll)JoystickAImpl_Poll,
1376         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1377         IDirectInputDevice7WImpl_EnumEffectsInFile,
1378         IDirectInputDevice7WImpl_WriteEffectToFile,
1379         IDirectInputDevice8WImpl_BuildActionMap,
1380         IDirectInputDevice8WImpl_SetActionMap,
1381         IDirectInputDevice8WImpl_GetImageInfo
1382 };
1383 #undef XCAST
1384
1385 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1386
1387 const struct dinput_device joystick_linuxinput_device = {
1388   "Wine Linux-input joystick driver",
1389   NULL,
1390   NULL,
1391   NULL,
1392   NULL
1393 };
1394
1395 #endif  /* HAVE_CORRECT_LINUXINPUT_H */