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 #ifdef HAVE_CORRECT_LINUXINPUT_H
  69
  70 #define EVDEVPREFIX     "/dev/input/event"
  71
  72 /* Wine joystick driver object instances */
  73 #define WINE_JOYSTICK_MAX_AXES    8
  74 #define WINE_JOYSTICK_MAX_POVS    4
  75 #define WINE_JOYSTICK_MAX_BUTTONS 128
  76
  77 typedef struct EffectListItem EffectListItem;
  78 struct EffectListItem
  79 {
  80         LPDIRECTINPUTEFFECT ref;
  81         struct EffectListItem* next;
  82 };
  83
  84 /* implemented in effect_linuxinput.c */
  85 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
  86 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
  87 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
  88
  89 typedef struct JoystickImpl JoystickImpl;
  90 static const IDirectInputDevice8AVtbl JoystickAvt;
  91 static const IDirectInputDevice8WVtbl JoystickWvt;
  92
  93 struct JoyDev {
  94         char *device;
  95         char *name;
  96         GUID guid;
  97
  98         int has_ff;
  99         int num_effects;
 100
 101         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 102         BYTE                            evbits[(EV_MAX+7)/8];
 103         BYTE                            absbits[(ABS_MAX+7)/8];
 104         BYTE                            keybits[(KEY_MAX+7)/8];
 105         BYTE                            ffbits[(FF_MAX+7)/8];
 106
 107 #define AXIS_ABS     0
 108 #define AXIS_ABSMIN  1
 109 #define AXIS_ABSMAX  2
 110 #define AXIS_ABSFUZZ 3
 111 #define AXIS_ABSFLAT 4
 112
 113         /* data returned by the EVIOCGABS() ioctl */
 114         int                             axes[ABS_MAX][5];
 115 };
 116
 117 struct ObjProps
 118 {
 119         /* what we have */
 120         LONG                            havemax;
 121         LONG                            havemin;
 122         /* what range and deadzone the game wants */
 123         LONG                            wantmin;
 124         LONG                            wantmax;
 125         LONG                            deadzone;
 126 };
 127
 128 struct JoystickImpl
 129 {
 130         struct IDirectInputDevice2AImpl base;
 131
 132         struct JoyDev                  *joydev;
 133
 134         /* The 'parent' DInput */
 135         IDirectInputImpl               *dinput;
 136
 137         /* joystick private */
 138         int                             joyfd;
 139
 140         DIJOYSTATE2                     js;
 141
 142         struct ObjProps                 props[ABS_MAX];
 143
 144         int                             axes[ABS_MAX];
 145
 146         /* LUT for KEY_ to offset in rgbButtons */
 147         BYTE                            buttons[KEY_MAX];
 148
 149         DWORD                           numAxes;
 150         DWORD                           numPOVs;
 151         DWORD                           numButtons;
 152
 153         /* Force feedback variables */
 154         EffectListItem*                 top_effect;
 155         int                             ff_state;
 156 };
 157
 158 static void fake_current_js_state(JoystickImpl *ji);
 159 static DWORD map_pov(int event_value, int is_x);
 160 static void find_joydevs(void);
 161
 162 /* This GUID is slightly different from the linux joystick one. Take note. */
 163 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 164   0x9e573eda,
 165   0x7734,
 166   0x11d2,
 167   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 168 };
 169
 170 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 171
 172 #define MAX_JOYDEV 64
 173
 174 static int have_joydevs = -1;
 175 static struct JoyDev *joydevs = NULL;
 176
 177 static void find_joydevs(void)
 178 {
 179   int i;
 180
 181   if (have_joydevs!=-1) {
 182     return;
 183   }
 184
 185   have_joydevs = 0;
 186
 187   for (i=0;i<MAX_JOYDEV;i++) {
 188     char        buf[MAX_PATH];
 189     struct JoyDev joydev = {0};
 190     int fd;
 191     int no_ff_check = 0;
 192     int j;
 193
 194     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 195     buf[MAX_PATH-1] = 0;
 196
 197     if ((fd=open(buf, O_RDWR))==-1) {
 198       fd = open(buf, O_RDONLY);
 199       no_ff_check = 1;
 200     }
 201
 202     if (fd!=-1) {
 203       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 204         perror("EVIOCGBIT 0");
 205         close(fd);
 206         continue;
 207       }
 208       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 209         perror("EVIOCGBIT EV_ABS");
 210         close(fd);
 211         continue;
 212       }
 213       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 214         perror("EVIOCGBIT EV_KEY");
 215         close(fd);
 216         continue;
 217       }
 218       /* A true joystick has at least axis X and Y, and at least 1
 219        * button. copied from linux/drivers/input/joydev.c */
 220       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 221           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 222               test_bit(joydev.keybits,BTN_A)    ||
 223               test_bit(joydev.keybits,BTN_1)
 224           )
 225          ) {
 226
 227         joydev.device = strdup(buf);
 228
 229         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 230           buf[MAX_PATH-1] = 0;
 231           joydev.name = strdup(buf);
 232         } else {
 233           joydev.name = joydev.device;
 234         }
 235
 236         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 237         joydev.guid.Data3 += have_joydevs;
 238
 239         TRACE("Found a joystick on %s: %s (%s)\n",
 240             joydev.device, joydev.name,
 241             debugstr_guid(&joydev.guid)
 242             );
 243
 244 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 245         if (!no_ff_check &&
 246             test_bit(joydev.evbits, EV_FF) &&
 247             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
 248             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
 249             joydev.num_effects > 0)
 250         {
 251             TRACE(" ... with force feedback\n");
 252             joydev.has_ff = 1;
 253         }
 254 #endif
 255
 256         for (j=0;j<ABS_MAX;j++) {
 257           if (test_bit(joydev.absbits,j)) {
 258             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 259               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 260                   j,
 261                   joydev.axes[j][AXIS_ABS],
 262                   joydev.axes[j][AXIS_ABSMIN],
 263                   joydev.axes[j][AXIS_ABSMAX],
 264                   joydev.axes[j][AXIS_ABSFUZZ],
 265                   joydev.axes[j][AXIS_ABSFLAT]
 266                   );
 267             }
 268           }
 269         }
 270
 271         if (have_joydevs==0) {
 272           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 273         } else {
 274           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 275         }
 276         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 277         have_joydevs++;
 278       }
 279
 280       close(fd);
 281     }
 282   }
 283 }
 284
 285 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 286 {
 287   find_joydevs();
 288
 289   if (id >= have_joydevs) {
 290     return FALSE;
 291   }
 292
 293   if (!((dwDevType == 0) ||
 294         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 295         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 296     return FALSE;
 297
 298 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 299   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 300     return FALSE;
 301 #endif
 302
 303   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 304     lpddi->guidInstance = joydevs[id].guid;
 305     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 306
 307     lpddi->guidFFDriver = GUID_NULL;
 308     if (version >= 0x0800)
 309       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 310     else
 311       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 312
 313     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 314     strcpy(lpddi->tszProductName, joydevs[id].device);
 315     return TRUE;
 316   }
 317   return FALSE;
 318 }
 319
 320 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 321 {
 322   find_joydevs();
 323
 324   if (id >= have_joydevs) {
 325     return FALSE;
 326   }
 327
 328   if (!((dwDevType == 0) ||
 329         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 330         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 331     return FALSE;
 332
 333 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 334   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 335     return FALSE;
 336 #endif
 337
 338   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 339     lpddi->guidInstance = joydevs[id].guid;
 340     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 341
 342     lpddi->guidFFDriver = GUID_NULL;
 343     if (version >= 0x0800)
 344       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 345     else
 346       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 347
 348     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 349     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 350     return TRUE;
 351   }
 352   return FALSE;
 353 }
 354
 355 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, struct JoyDev *joydev)
 356 {
 357     JoystickImpl* newDevice;
 358     LPDIDATAFORMAT df = NULL;
 359     int i, idx = 0;
 360
 361     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
 362     if (!newDevice) return NULL;
 363
 364   newDevice->base.lpVtbl = jvt;
 365   newDevice->base.ref = 1;
 366   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
 367   InitializeCriticalSection(&newDevice->base.crit);
 368   newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
 369   newDevice->joyfd = -1;
 370   newDevice->dinput = dinput;
 371   newDevice->joydev = joydev;
 372 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 373   newDevice->ff_state = FF_STATUS_STOPPED;
 374 #endif
 375
 376     /* Create copy of default data format */
 377     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
 378     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 379     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
 380
 381     /* Supported Axis & POVs should map 1-to-1 */
 382     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
 383     {
 384         if (!test_bit(newDevice->joydev->absbits, i)) {
 385             newDevice->axes[i] = -1;
 386             continue;
 387         }
 388
 389         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
 390         newDevice->axes[i] = idx;
 391         newDevice->props[idx].havemin = newDevice->joydev->axes[i][AXIS_ABSMIN];
 392         newDevice->props[idx].havemax = newDevice->joydev->axes[i][AXIS_ABSMAX];
 393         newDevice->props[idx].wantmin = 0;
 394         newDevice->props[idx].wantmax = 0xffff;
 395         newDevice->props[idx].deadzone = 0;
 396         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
 397     }
 398
 399     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
 400     {
 401         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
 402             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
 403             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
 404             continue;
 405         }
 406
 407         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
 408         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
 409         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
 410     }
 411
 412     /* Buttons can be anywhere, so check all */
 413     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
 414     {
 415         if (!test_bit(newDevice->joydev->keybits, i)) continue;
 416
 417         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 418         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
 419         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
 420     }
 421     df->dwNumObjs = idx;
 422
 423     fake_current_js_state(newDevice);
 424
 425     newDevice->base.data_format.wine_df = df;
 426     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->dinput);
 427     return newDevice;
 428
 429 failed:
 430     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 431     HeapFree(GetProcessHeap(), 0, df);
 432     HeapFree(GetProcessHeap(), 0, newDevice);
 433     return NULL;
 434 }
 435
 436 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 437 {
 438   int i;
 439
 440   find_joydevs();
 441
 442   for (i=0; i<have_joydevs; i++) {
 443     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 444         IsEqualGUID(&joydevs[i].guid,rguid)
 445         ) {
 446       if ((riid == NULL) ||
 447           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 448           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 449           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 450           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 451         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
 452         TRACE("Creating a Joystick device (%p)\n", *pdev);
 453         if (*pdev==0) {
 454           ERR("out of memory\n");
 455           return DIERR_OUTOFMEMORY;
 456         }
 457         return DI_OK;
 458       } else {
 459         return DIERR_NOINTERFACE;
 460       }
 461     }
 462   }
 463
 464   return DIERR_DEVICENOTREG;
 465 }
 466
 467
 468 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 469 {
 470   int i;
 471
 472   find_joydevs();
 473
 474   for (i=0; i<have_joydevs; i++) {
 475     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 476         IsEqualGUID(&joydevs[i].guid,rguid)
 477         ) {
 478       if ((riid == NULL) ||
 479           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 480           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 481           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 482           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 483         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
 484         TRACE("Creating a Joystick device (%p)\n", *pdev);
 485         if (*pdev==0) {
 486           ERR("out of memory\n");
 487           return DIERR_OUTOFMEMORY;
 488         }
 489         return DI_OK;
 490       } else {
 491         return DIERR_NOINTERFACE;
 492       }
 493     }
 494   }
 495
 496   return DIERR_DEVICENOTREG;
 497 }
 498
 499 const struct dinput_device joystick_linuxinput_device = {
 500   "Wine Linux-input joystick driver",
 501   joydev_enum_deviceA,
 502   joydev_enum_deviceW,
 503   joydev_create_deviceA,
 504   joydev_create_deviceW
 505 };
 506
 507 /******************************************************************************
 508  *      Joystick
 509  */
 510 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 511 {
 512         JoystickImpl *This = (JoystickImpl *)iface;
 513         ULONG ref;
 514
 515         ref = InterlockedDecrement(&This->base.ref);
 516         if (ref)
 517                 return ref;
 518
 519         /* Reset the FF state, free all effects, etc */
 520         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 521
 522         /* Free the data queue */
 523         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
 524
 525         /* release the data transform filter */
 526         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df->rgodf);
 527         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df);
 528         release_DataFormat(&This->base.data_format);
 529
 530         IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
 531         This->base.crit.DebugInfo->Spare[0] = 0;
 532         DeleteCriticalSection(&This->base.crit);
 533
 534         HeapFree(GetProcessHeap(),0,This);
 535         return 0;
 536 }
 537
 538 /******************************************************************************
 539   *     Acquire : gets exclusive control of the joystick
 540   */
 541 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 542 {
 543     JoystickImpl *This = (JoystickImpl *)iface;
 544     HRESULT res;
 545
 546     TRACE("(this=%p)\n",This);
 547
 548     res = IDirectInputDevice2AImpl_Acquire(iface);
 549     if (res==DI_OK) {
 550       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 551         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 552           /* Couldn't open the device at all */
 553           perror(This->joydev->device);
 554           IDirectInputDevice2AImpl_Unacquire(iface);
 555           return DIERR_NOTFOUND;
 556         } else {
 557           /* Couldn't open in r/w but opened in read-only. */
 558           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 559         }
 560       }
 561     }
 562
 563     return res;
 564 }
 565
 566 /******************************************************************************
 567   *     Unacquire : frees the joystick
 568   */
 569 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 570 {
 571     JoystickImpl *This = (JoystickImpl *)iface;
 572     HRESULT res;
 573
 574     TRACE("(this=%p)\n",This);
 575     res = IDirectInputDevice2AImpl_Unacquire(iface);
 576     if (res==DI_OK && This->joyfd!=-1) {
 577       close(This->joyfd);
 578       This->joyfd = -1;
 579     }
 580     return res;
 581 }
 582
 583 /*
 584  * This maps the read value (from the input event) to a value in the
 585  * 'wanted' range. It also autodetects the possible range of the axis and
 586  * adapts values accordingly.
 587  */
 588 static int
 589 map_axis(JoystickImpl* This, int axis, int val) {
 590     int hmax = This->props[axis].havemax;
 591     int hmin = This->props[axis].havemin;
 592     int wmin = This->props[axis].wantmin;
 593     int wmax = This->props[axis].wantmax;
 594     int ret;
 595
 596     /* map the value from the hmin-hmax range into the wmin-wmax range */
 597     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 598
 599     TRACE("hmin=%d hmax=%d wmin=%d wmax=%d val=%d ret=%d\n", hmin, hmax, wmin, wmax, val, ret);
 600
 601 #if 0
 602     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 603     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 604         FIXME("%d in deadzone, return mid.\n",val);
 605         return (wmax-wmin)/2+wmin;
 606     }
 607 #endif
 608     return ret;
 609 }
 610
 611 /*
 612  * set the current state of the js device as it would be with the middle
 613  * values on the axes
 614  */
 615 static void fake_current_js_state(JoystickImpl *ji)
 616 {
 617         int i;
 618         /* center the axes */
 619         ji->js.lX           = ji->axes[ABS_X]!=-1        ? map_axis(ji, ji->axes[ABS_X],        ji->joydev->axes[ABS_X       ][AXIS_ABS]) : 0;
 620         ji->js.lY           = ji->axes[ABS_Y]!=-1        ? map_axis(ji, ji->axes[ABS_Y],        ji->joydev->axes[ABS_Y       ][AXIS_ABS]) : 0;
 621         ji->js.lZ           = ji->axes[ABS_Z]!=-1        ? map_axis(ji, ji->axes[ABS_Z],        ji->joydev->axes[ABS_Z       ][AXIS_ABS]) : 0;
 622         ji->js.lRx          = ji->axes[ABS_RX]!=-1       ? map_axis(ji, ji->axes[ABS_RX],       ji->joydev->axes[ABS_RX      ][AXIS_ABS]) : 0;
 623         ji->js.lRy          = ji->axes[ABS_RY]!=-1       ? map_axis(ji, ji->axes[ABS_RY],       ji->joydev->axes[ABS_RY      ][AXIS_ABS]) : 0;
 624         ji->js.lRz          = ji->axes[ABS_RZ]!=-1       ? map_axis(ji, ji->axes[ABS_RZ],       ji->joydev->axes[ABS_RZ      ][AXIS_ABS]) : 0;
 625         ji->js.rglSlider[0] = ji->axes[ABS_THROTTLE]!=-1 ? map_axis(ji, ji->axes[ABS_THROTTLE], ji->joydev->axes[ABS_THROTTLE][AXIS_ABS]) : 0;
 626         ji->js.rglSlider[1] = ji->axes[ABS_RUDDER]!=-1   ? map_axis(ji, ji->axes[ABS_RUDDER],   ji->joydev->axes[ABS_RUDDER  ][AXIS_ABS]) : 0;
 627         /* POV center is -1 */
 628         for (i=0; i<4; i++) {
 629                 ji->js.rgdwPOV[i] = -1;
 630         }
 631 }
 632
 633 /*
 634  * Maps an event value to a DX "clock" position:
 635  *           0
 636  * 27000    -1 9000
 637  *       18000
 638  */
 639 static DWORD map_pov(int event_value, int is_x)
 640 {
 641         DWORD ret = -1;
 642         if (is_x) {
 643                 if (event_value<0) {
 644                         ret = 27000;
 645                 } else if (event_value>0) {
 646                         ret = 9000;
 647                 }
 648         } else {
 649                 if (event_value<0) {
 650                         ret = 0;
 651                 } else if (event_value>0) {
 652                         ret = 18000;
 653                 }
 654         }
 655         return ret;
 656 }
 657
 658 /* convert wine format offset to user format object index */
 659 static void joy_polldev(JoystickImpl *This)
 660 {
 661     struct pollfd plfd;
 662     struct input_event ie;
 663
 664     if (This->joyfd==-1)
 665         return;
 666
 667     while (1)
 668     {
 669         LONG value = 0;
 670         int inst_id = -1;
 671
 672         plfd.fd = This->joyfd;
 673         plfd.events = POLLIN;
 674
 675         if (poll(&plfd,1,0) != 1)
 676             return;
 677
 678         /* we have one event, so we can read */
 679         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 680             return;
 681
 682         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 683         switch (ie.type) {
 684         case EV_KEY:    /* button */
 685         {
 686             int btn = This->buttons[ie.code];
 687
 688             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 689             if (btn & 0x80)
 690             {
 691                 btn &= 0x7F;
 692                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 693                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 694             }
 695             break;
 696         }
 697         case EV_ABS:
 698         {
 699             int axis = This->axes[ie.code];
 700             if (axis==-1) {
 701                 break;
 702             }
 703             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 704             value = map_axis(This, axis, ie.value);
 705
 706             switch (ie.code) {
 707             case ABS_X:         This->js.lX  = value; break;
 708             case ABS_Y:         This->js.lY  = value; break;
 709             case ABS_Z:         This->js.lZ  = value; break;
 710             case ABS_RX:        This->js.lRx = value; break;
 711             case ABS_RY:        This->js.lRy = value; break;
 712             case ABS_RZ:        This->js.lRz = value; break;
 713             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 714             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 715             case ABS_HAT0X:
 716             case ABS_HAT0Y:
 717                 This->js.rgdwPOV[0] = value = map_pov(ie.value, ie.code==ABS_HAT0X);
 718                 break;
 719             case ABS_HAT1X:
 720             case ABS_HAT1Y:
 721                 This->js.rgdwPOV[1] = value = map_pov(ie.value, ie.code==ABS_HAT1X);
 722                 break;
 723             case ABS_HAT2X:
 724             case ABS_HAT2Y:
 725                 This->js.rgdwPOV[2] = value  = map_pov(ie.value, ie.code==ABS_HAT2X);
 726                 break;
 727             case ABS_HAT3X:
 728             case ABS_HAT3Y:
 729                 This->js.rgdwPOV[3] = value  = map_pov(ie.value, ie.code==ABS_HAT3X);
 730                 break;
 731             default:
 732                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 733                 break;
 734             }
 735             break;
 736         }
 737 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 738         case EV_FF_STATUS:
 739             This->ff_state = ie.value;
 740             break;
 741 #endif
 742 #ifdef EV_SYN
 743         case EV_SYN:
 744             /* there is nothing to do */
 745             break;
 746 #endif
 747         default:
 748             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 749             break;
 750         }
 751         if (inst_id >= 0)
 752             queue_event((LPDIRECTINPUTDEVICE8A)This,
 753                         id_to_offset(&This->base.data_format, inst_id),
 754                         value, ie.time.tv_usec, This->dinput->evsequence++);
 755     }
 756 }
 757
 758 /******************************************************************************
 759   *     GetDeviceState : returns the "state" of the joystick.
 760   *
 761   */
 762 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 763         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 764 ) {
 765     JoystickImpl *This = (JoystickImpl *)iface;
 766
 767     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 768
 769     if (This->joyfd==-1) {
 770         WARN("not acquired\n");
 771         return DIERR_NOTACQUIRED;
 772     }
 773
 774     joy_polldev(This);
 775
 776     /* convert and copy data to user supplied buffer */
 777     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 778
 779     return DI_OK;
 780 }
 781
 782 /******************************************************************************
 783   *     SetProperty : change input device properties
 784   */
 785 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 786                                             REFGUID rguid,
 787                                             LPCDIPROPHEADER ph)
 788 {
 789   JoystickImpl *This = (JoystickImpl *)iface;
 790
 791   if (!ph) {
 792     WARN("invalid argument\n");
 793     return DIERR_INVALIDPARAM;
 794   }
 795
 796   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 797   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 798         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 799
 800   if (!HIWORD(rguid)) {
 801     switch (LOWORD(rguid)) {
 802     case (DWORD)DIPROP_RANGE: {
 803       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 804
 805       if (ph->dwHow == DIPH_DEVICE) {
 806         int i;
 807         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 808         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 809           This->props[i].wantmin = pr->lMin;
 810           This->props[i].wantmax = pr->lMax;
 811         }
 812       } else {
 813         int obj = find_property(&This->base.data_format, ph);
 814
 815         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 816         if (obj >= 0) {
 817           This->props[obj].wantmin = pr->lMin;
 818           This->props[obj].wantmax = pr->lMax;
 819         }
 820       }
 821       fake_current_js_state(This);
 822       break;
 823     }
 824     case (DWORD)DIPROP_DEADZONE: {
 825       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 826       if (ph->dwHow == DIPH_DEVICE) {
 827         int i;
 828         TRACE("deadzone(%d) all\n", pd->dwData);
 829         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 830           This->props[i].deadzone = pd->dwData;
 831         }
 832       } else {
 833         int obj = find_property(&This->base.data_format, ph);
 834
 835         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 836         if (obj >= 0) {
 837           This->props[obj].deadzone = pd->dwData;
 838         }
 839       }
 840       fake_current_js_state(This);
 841       break;
 842     }
 843     case (DWORD)DIPROP_CALIBRATIONMODE: {
 844       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 845       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 846       break;
 847     }
 848     default:
 849       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 850     }
 851   }
 852   return DI_OK;
 853 }
 854
 855 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 856         LPDIRECTINPUTDEVICE8A iface,
 857         LPDIDEVCAPS lpDIDevCaps)
 858 {
 859     JoystickImpl *This = (JoystickImpl *)iface;
 860
 861     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 862
 863     if (!lpDIDevCaps) {
 864         WARN("invalid pointer\n");
 865         return E_POINTER;
 866     }
 867
 868     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 869         WARN("invalid argument\n");
 870         return DIERR_INVALIDPARAM;
 871     }
 872
 873     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 874     if (This->dinput->dwVersion >= 0x0800)
 875         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 876     else
 877         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 878
 879     if (This->joydev->has_ff)
 880          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 881
 882     lpDIDevCaps->dwAxes = This->numAxes;
 883     lpDIDevCaps->dwButtons = This->numButtons;
 884     lpDIDevCaps->dwPOVs = This->numPOVs;
 885
 886     return DI_OK;
 887 }
 888
 889 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 890     JoystickImpl *This = (JoystickImpl *)iface;
 891     TRACE("(%p)\n",This);
 892
 893     if (This->joyfd==-1) {
 894       return DIERR_NOTACQUIRED;
 895     }
 896
 897     joy_polldev(This);
 898     return DI_OK;
 899 }
 900
 901 /******************************************************************************
 902   *     GetProperty : get input device properties
 903   */
 904 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 905                                                 REFGUID rguid,
 906                                                 LPDIPROPHEADER pdiph)
 907 {
 908     JoystickImpl *This = (JoystickImpl *)iface;
 909
 910     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 911     _dump_DIPROPHEADER(pdiph);
 912
 913     if (HIWORD(rguid)) return DI_OK;
 914
 915     switch (LOWORD(rguid)) {
 916     case (DWORD) DIPROP_RANGE:
 917     {
 918         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 919         int obj = find_property(&This->base.data_format, pdiph);
 920
 921         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 922
 923         pr->lMin = This->props[obj].wantmin;
 924         pr->lMax = This->props[obj].wantmax;
 925         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 926         break;
 927     }
 928     case (DWORD) DIPROP_DEADZONE:
 929     {
 930         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 931         int obj = find_property(&This->base.data_format, pdiph);
 932
 933         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 934
 935         pd->dwData = This->props[obj].deadzone;
 936         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 937         break;
 938     }
 939
 940     default:
 941         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 942     }
 943
 944     return DI_OK;
 945 }
 946
 947 /******************************************************************************
 948   *     GetObjectInfo : get information about a device object such as a button
 949   *                     or axis
 950   */
 951 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 952         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 953 {
 954     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 955     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 956     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 957     HRESULT res;
 958
 959     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 960     if (res != DI_OK) return res;
 961
 962     if      (pdidoi->dwType & DIDFT_AXIS)
 963         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
 964     else if (pdidoi->dwType & DIDFT_POV)
 965         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
 966     else if (pdidoi->dwType & DIDFT_BUTTON)
 967         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
 968
 969     _dump_OBJECTINSTANCEW(pdidoi);
 970     return res;
 971 }
 972
 973 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
 974         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
 975 {
 976     HRESULT res;
 977     DIDEVICEOBJECTINSTANCEW didoiW;
 978     DWORD dwSize = pdidoi->dwSize;
 979
 980     didoiW.dwSize = sizeof(didoiW);
 981     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
 982     if (res != DI_OK) return res;
 983
 984     memset(pdidoi, 0, pdidoi->dwSize);
 985     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
 986     pdidoi->dwSize = dwSize;
 987     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
 988                         sizeof(pdidoi->tszName), NULL, NULL);
 989
 990     return res;
 991 }
 992
 993 /******************************************************************************
 994   *     CreateEffect - Create a new FF effect with the specified params
 995   */
 996 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
 997                                                  REFGUID rguid,
 998                                                  LPCDIEFFECT lpeff,
 999                                                  LPDIRECTINPUTEFFECT *ppdef,
1000                                                  LPUNKNOWN pUnkOuter)
1001 {
1002 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1003     EffectListItem* new = NULL;
1004     HRESULT retval = DI_OK;
1005 #endif
1006
1007     JoystickImpl* This = (JoystickImpl*)iface;
1008     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1009
1010 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1011     TRACE("not available (compiled w/o ff support)\n");
1012     *ppdef = NULL;
1013     return DI_OK;
1014 #else
1015
1016     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1017     new->next = This->top_effect;
1018     This->top_effect = new;
1019
1020     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1021     if (retval != DI_OK)
1022         return retval;
1023
1024     if (lpeff != NULL)
1025         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1026     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1027         return retval;
1028
1029     *ppdef = new->ref;
1030
1031     if (pUnkOuter != NULL)
1032         FIXME("Interface aggregation not implemented.\n");
1033
1034     return DI_OK;
1035
1036 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1037 }
1038
1039 /*******************************************************************************
1040  *      EnumEffects - Enumerate available FF effects
1041  */
1042 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1043                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1044                                                 LPVOID pvRef,
1045                                                 DWORD dwEffType)
1046 {
1047 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1048     DIEFFECTINFOA dei; /* feif */
1049     DWORD type = DIEFT_GETTYPE(dwEffType);
1050     JoystickImpl* This = (JoystickImpl*)iface;
1051
1052     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1053
1054     dei.dwSize = sizeof(DIEFFECTINFOA);
1055
1056     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1057         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1058         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1059         (*lpCallback)(&dei, pvRef);
1060     }
1061
1062     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1063         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1064         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1065             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1066             (*lpCallback)(&dei, pvRef);
1067         }
1068         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1069             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1070             (*lpCallback)(&dei, pvRef);
1071         }
1072         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1073             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1074             (*lpCallback)(&dei, pvRef);
1075         }
1076         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1077             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1078             (*lpCallback)(&dei, pvRef);
1079         }
1080         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1081             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1082             (*lpCallback)(&dei, pvRef);
1083         }
1084     }
1085
1086     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1087         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1088         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1089         (*lpCallback)(&dei, pvRef);
1090     }
1091
1092     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1093         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1094             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1095             (*lpCallback)(&dei, pvRef);
1096         }
1097         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1098             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1099             (*lpCallback)(&dei, pvRef);
1100         }
1101         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1102             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1103             (*lpCallback)(&dei, pvRef);
1104         }
1105         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1106             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1107             (*lpCallback)(&dei, pvRef);
1108         }
1109     }
1110
1111 #endif
1112
1113     return DI_OK;
1114 }
1115
1116 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1117                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1118                                                 LPVOID pvRef,
1119                                                 DWORD dwEffType)
1120 {
1121 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1122     /* seems silly to duplicate all this code but all the structures and functions
1123      * are actually different (A/W) */
1124     DIEFFECTINFOW dei; /* feif */
1125     DWORD type = DIEFT_GETTYPE(dwEffType);
1126     JoystickImpl* This = (JoystickImpl*)iface;
1127     int xfd = This->joyfd;
1128
1129     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1130
1131     dei.dwSize = sizeof(DIEFFECTINFOW);
1132
1133     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1134         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1135         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1136         (*lpCallback)(&dei, pvRef);
1137     }
1138
1139     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1140         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1141         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1142             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1143             (*lpCallback)(&dei, pvRef);
1144         }
1145         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1146             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1147             (*lpCallback)(&dei, pvRef);
1148         }
1149         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1150             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1151             (*lpCallback)(&dei, pvRef);
1152         }
1153         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1154             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1155             (*lpCallback)(&dei, pvRef);
1156         }
1157         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1158             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1159             (*lpCallback)(&dei, pvRef);
1160         }
1161     }
1162
1163     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1164         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1165         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1166         (*lpCallback)(&dei, pvRef);
1167     }
1168
1169     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1170         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1171             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1172             (*lpCallback)(&dei, pvRef);
1173         }
1174         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1175             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1176             (*lpCallback)(&dei, pvRef);
1177         }
1178         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1179             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1180             (*lpCallback)(&dei, pvRef);
1181         }
1182         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1183             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1184             (*lpCallback)(&dei, pvRef);
1185         }
1186     }
1187
1188     /* return to unacquired state if that's where it was */
1189     if (xfd == -1)
1190         IDirectInputDevice8_Unacquire(iface);
1191 #endif
1192
1193     return DI_OK;
1194 }
1195
1196 /*******************************************************************************
1197  *      GetEffectInfo - Get information about a particular effect
1198  */
1199 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1200                                                   LPDIEFFECTINFOA pdei,
1201                                                   REFGUID guid)
1202 {
1203     JoystickImpl* This = (JoystickImpl*)iface;
1204
1205     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1206
1207 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1208     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1209 #else
1210     return DI_OK;
1211 #endif
1212 }
1213
1214 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1215                                                   LPDIEFFECTINFOW pdei,
1216                                                   REFGUID guid)
1217 {
1218     JoystickImpl* This = (JoystickImpl*)iface;
1219
1220     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1221
1222 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1223     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1224 #else
1225     return DI_OK;
1226 #endif
1227 }
1228
1229 /*******************************************************************************
1230  *      GetForceFeedbackState - Get information about the device's FF state
1231  */
1232 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1233         LPDIRECTINPUTDEVICE8A iface,
1234         LPDWORD pdwOut)
1235 {
1236     JoystickImpl* This = (JoystickImpl*)iface;
1237
1238     TRACE("(this=%p,%p)\n", This, pdwOut);
1239
1240     (*pdwOut) = 0;
1241
1242 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1243     /* DIGFFS_STOPPED is the only mandatory flag to report */
1244     if (This->ff_state == FF_STATUS_STOPPED)
1245         (*pdwOut) |= DIGFFS_STOPPED;
1246 #endif
1247
1248     return DI_OK;
1249 }
1250
1251 /*******************************************************************************
1252  *      SendForceFeedbackCommand - Send a command to the device's FF system
1253  */
1254 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1255         LPDIRECTINPUTDEVICE8A iface,
1256         DWORD dwFlags)
1257 {
1258     JoystickImpl* This = (JoystickImpl*)iface;
1259     TRACE("(this=%p,%d)\n", This, dwFlags);
1260
1261 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1262     if (dwFlags == DISFFC_STOPALL) {
1263         /* Stop all effects */
1264         EffectListItem* itr = This->top_effect;
1265         while (itr) {
1266             IDirectInputEffect_Stop(itr->ref);
1267             itr = itr->next;
1268         }
1269     } else if (dwFlags == DISFFC_RESET) {
1270         /* Stop, unload, release and free all effects */
1271         /* This returns the device to its "bare" state */
1272         while (This->top_effect) {
1273             EffectListItem* temp = This->top_effect;
1274             IDirectInputEffect_Stop(temp->ref);
1275             IDirectInputEffect_Unload(temp->ref);
1276             IDirectInputEffect_Release(temp->ref);
1277             This->top_effect = temp->next;
1278             HeapFree(GetProcessHeap(), 0, temp);
1279         }
1280     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1281         FIXME("No support for Pause or Continue in linux\n");
1282     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1283                 || dwFlags == DISFFC_SETACTUATORSON) {
1284         FIXME("No direct actuator control in linux\n");
1285     } else {
1286         FIXME("Unknown Force Feedback Command!\n");
1287         return DIERR_INVALIDPARAM;
1288     }
1289     return DI_OK;
1290 #else
1291     return DIERR_UNSUPPORTED;
1292 #endif
1293 }
1294
1295 /*******************************************************************************
1296  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1297  *              created for this device.
1298  */
1299 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1300         LPDIRECTINPUTDEVICE8A iface,
1301         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1302         LPVOID pvRef,
1303         DWORD dwFlags)
1304 {
1305     /* this function is safe to call on non-ff-enabled builds */
1306
1307     JoystickImpl* This = (JoystickImpl*)iface;
1308     EffectListItem* itr = This->top_effect;
1309     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1310
1311     if (!lpCallback)
1312         return DIERR_INVALIDPARAM;
1313
1314     if (dwFlags != 0)
1315         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1316
1317     while (itr) {
1318         (*lpCallback)(itr->ref, pvRef);
1319         itr = itr->next;
1320     }
1321
1322     return DI_OK;
1323 }
1324
1325 static const IDirectInputDevice8AVtbl JoystickAvt =
1326 {
1327         IDirectInputDevice2AImpl_QueryInterface,
1328         IDirectInputDevice2AImpl_AddRef,
1329         JoystickAImpl_Release,
1330         JoystickAImpl_GetCapabilities,
1331         IDirectInputDevice2AImpl_EnumObjects,
1332         JoystickAImpl_GetProperty,
1333         JoystickAImpl_SetProperty,
1334         JoystickAImpl_Acquire,
1335         JoystickAImpl_Unacquire,
1336         JoystickAImpl_GetDeviceState,
1337         IDirectInputDevice2AImpl_GetDeviceData,
1338         IDirectInputDevice2AImpl_SetDataFormat,
1339         IDirectInputDevice2AImpl_SetEventNotification,
1340         IDirectInputDevice2AImpl_SetCooperativeLevel,
1341         JoystickAImpl_GetObjectInfo,
1342         IDirectInputDevice2AImpl_GetDeviceInfo,
1343         IDirectInputDevice2AImpl_RunControlPanel,
1344         IDirectInputDevice2AImpl_Initialize,
1345         JoystickAImpl_CreateEffect,
1346         JoystickAImpl_EnumEffects,
1347         JoystickAImpl_GetEffectInfo,
1348         JoystickAImpl_GetForceFeedbackState,
1349         JoystickAImpl_SendForceFeedbackCommand,
1350         JoystickAImpl_EnumCreatedEffectObjects,
1351         IDirectInputDevice2AImpl_Escape,
1352         JoystickAImpl_Poll,
1353         IDirectInputDevice2AImpl_SendDeviceData,
1354         IDirectInputDevice7AImpl_EnumEffectsInFile,
1355         IDirectInputDevice7AImpl_WriteEffectToFile,
1356         IDirectInputDevice8AImpl_BuildActionMap,
1357         IDirectInputDevice8AImpl_SetActionMap,
1358         IDirectInputDevice8AImpl_GetImageInfo
1359 };
1360
1361 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1362 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1363 #else
1364 # define XCAST(fun)     (void*)
1365 #endif
1366
1367 static const IDirectInputDevice8WVtbl JoystickWvt =
1368 {
1369         IDirectInputDevice2WImpl_QueryInterface,
1370         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1371         XCAST(Release)JoystickAImpl_Release,
1372         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1373         IDirectInputDevice2WImpl_EnumObjects,
1374         XCAST(GetProperty)JoystickAImpl_GetProperty,
1375         XCAST(SetProperty)JoystickAImpl_SetProperty,
1376         XCAST(Acquire)JoystickAImpl_Acquire,
1377         XCAST(Unacquire)JoystickAImpl_Unacquire,
1378         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1379         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1380         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1381         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1382         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1383         JoystickWImpl_GetObjectInfo,
1384         IDirectInputDevice2WImpl_GetDeviceInfo,
1385         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1386         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1387         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1388         JoystickWImpl_EnumEffects,
1389         JoystickWImpl_GetEffectInfo,
1390         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1391         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1392         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1393         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1394         XCAST(Poll)JoystickAImpl_Poll,
1395         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1396         IDirectInputDevice7WImpl_EnumEffectsInFile,
1397         IDirectInputDevice7WImpl_WriteEffectToFile,
1398         IDirectInputDevice8WImpl_BuildActionMap,
1399         IDirectInputDevice8WImpl_SetActionMap,
1400         IDirectInputDevice8WImpl_GetImageInfo
1401 };
1402 #undef XCAST
1403
1404 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1405
1406 const struct dinput_device joystick_linuxinput_device = {
1407   "Wine Linux-input joystick driver",
1408   NULL,
1409   NULL,
1410   NULL,
1411   NULL
1412 };
1413
1414 #endif  /* HAVE_CORRECT_LINUXINPUT_H */