git.oblomov.eu Git - wine/blob - 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->joyfd = -1;
 369   newDevice->dinput = dinput;
 370   newDevice->joydev = joydev;
 371 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 372   newDevice->ff_state = FF_STATUS_STOPPED;
 373 #endif
 374
 375     /* Create copy of default data format */
 376     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
 377     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 378     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
 379
 380     /* Supported Axis & POVs should map 1-to-1 */
 381     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
 382     {
 383         if (!test_bit(newDevice->joydev->absbits, i)) {
 384             newDevice->axes[i] = -1;
 385             continue;
 386         }
 387
 388         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
 389         newDevice->axes[i] = idx;
 390         newDevice->props[idx].wantmin = newDevice->props[idx].havemin = newDevice->joydev->axes[i][AXIS_ABSMIN];
 391         newDevice->props[idx].wantmax = newDevice->props[idx].havemax = newDevice->joydev->axes[i][AXIS_ABSMAX];
 392         newDevice->props[idx].deadzone = 0;
 393         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
 394     }
 395
 396     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
 397     {
 398         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
 399             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
 400             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
 401             continue;
 402         }
 403
 404         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
 405         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
 406         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
 407     }
 408
 409     /* Buttons can be anywhere, so check all */
 410     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
 411     {
 412         if (!test_bit(newDevice->joydev->keybits, i)) continue;
 413
 414         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 415         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
 416         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
 417     }
 418     df->dwNumObjs = idx;
 419
 420     fake_current_js_state(newDevice);
 421
 422     newDevice->base.data_format.wine_df = df;
 423     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->dinput);
 424     return newDevice;
 425
 426 failed:
 427     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 428     HeapFree(GetProcessHeap(), 0, df);
 429     HeapFree(GetProcessHeap(), 0, newDevice);
 430     return NULL;
 431 }
 432
 433 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 434 {
 435   int i;
 436
 437   find_joydevs();
 438
 439   for (i=0; i<have_joydevs; i++) {
 440     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 441         IsEqualGUID(&joydevs[i].guid,rguid)
 442         ) {
 443       if ((riid == NULL) ||
 444           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 445           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 446           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 447           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 448         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
 449         TRACE("Creating a Joystick device (%p)\n", *pdev);
 450         if (*pdev==0) {
 451           ERR("out of memory\n");
 452           return DIERR_OUTOFMEMORY;
 453         }
 454         return DI_OK;
 455       } else {
 456         return DIERR_NOINTERFACE;
 457       }
 458     }
 459   }
 460
 461   return DIERR_DEVICENOTREG;
 462 }
 463
 464
 465 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 466 {
 467   int i;
 468
 469   find_joydevs();
 470
 471   for (i=0; i<have_joydevs; i++) {
 472     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 473         IsEqualGUID(&joydevs[i].guid,rguid)
 474         ) {
 475       if ((riid == NULL) ||
 476           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 477           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 478           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 479           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 480         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
 481         TRACE("Creating a Joystick device (%p)\n", *pdev);
 482         if (*pdev==0) {
 483           ERR("out of memory\n");
 484           return DIERR_OUTOFMEMORY;
 485         }
 486         return DI_OK;
 487       } else {
 488         return DIERR_NOINTERFACE;
 489       }
 490     }
 491   }
 492
 493   return DIERR_DEVICENOTREG;
 494 }
 495
 496 const struct dinput_device joystick_linuxinput_device = {
 497   "Wine Linux-input joystick driver",
 498   joydev_enum_deviceA,
 499   joydev_enum_deviceW,
 500   joydev_create_deviceA,
 501   joydev_create_deviceW
 502 };
 503
 504 /******************************************************************************
 505  *      Joystick
 506  */
 507 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 508 {
 509         JoystickImpl *This = (JoystickImpl *)iface;
 510         ULONG ref;
 511
 512         ref = InterlockedDecrement(&This->base.ref);
 513         if (ref)
 514                 return ref;
 515
 516         /* Reset the FF state, free all effects, etc */
 517         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 518
 519         /* Free the data queue */
 520         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
 521
 522         /* release the data transform filter */
 523         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df->rgodf);
 524         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df);
 525         release_DataFormat(&This->base.data_format);
 526
 527         IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
 528         DeleteCriticalSection(&This->base.crit);
 529
 530         HeapFree(GetProcessHeap(),0,This);
 531         return 0;
 532 }
 533
 534 /******************************************************************************
 535   *     Acquire : gets exclusive control of the joystick
 536   */
 537 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 538 {
 539     JoystickImpl *This = (JoystickImpl *)iface;
 540     HRESULT res;
 541
 542     TRACE("(this=%p)\n",This);
 543
 544     res = IDirectInputDevice2AImpl_Acquire(iface);
 545     if (res==DI_OK) {
 546       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 547         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 548           /* Couldn't open the device at all */
 549           perror(This->joydev->device);
 550           IDirectInputDevice2AImpl_Unacquire(iface);
 551           return DIERR_NOTFOUND;
 552         } else {
 553           /* Couldn't open in r/w but opened in read-only. */
 554           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 555         }
 556       }
 557     }
 558
 559     return res;
 560 }
 561
 562 /******************************************************************************
 563   *     Unacquire : frees the joystick
 564   */
 565 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 566 {
 567     JoystickImpl *This = (JoystickImpl *)iface;
 568     HRESULT res;
 569
 570     TRACE("(this=%p)\n",This);
 571     res = IDirectInputDevice2AImpl_Unacquire(iface);
 572     if (res==DI_OK && This->joyfd!=-1) {
 573       close(This->joyfd);
 574       This->joyfd = -1;
 575     }
 576     return res;
 577 }
 578
 579 /*
 580  * This maps the read value (from the input event) to a value in the
 581  * 'wanted' range. It also autodetects the possible range of the axis and
 582  * adapts values accordingly.
 583  */
 584 static int
 585 map_axis(JoystickImpl* This, int axis, int val) {
 586     int hmax = This->props[axis].havemax;
 587     int hmin = This->props[axis].havemin;
 588     int wmin = This->props[axis].wantmin;
 589     int wmax = This->props[axis].wantmax;
 590     int ret;
 591
 592     /* map the value from the hmin-hmax range into the wmin-wmax range */
 593     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 594
 595     TRACE("hmin=%d hmax=%d wmin=%d wmax=%d val=%d ret=%d\n", hmin, hmax, wmin, wmax, val, ret);
 596
 597 #if 0
 598     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 599     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 600         FIXME("%d in deadzone, return mid.\n",val);
 601         return (wmax-wmin)/2+wmin;
 602     }
 603 #endif
 604     return ret;
 605 }
 606
 607 /*
 608  * set the current state of the js device as it would be with the middle
 609  * values on the axes
 610  */
 611 static void fake_current_js_state(JoystickImpl *ji)
 612 {
 613         int i;
 614         /* center the axes */
 615         ji->js.lX           = ji->axes[ABS_X]!=-1        ? map_axis(ji, ji->axes[ABS_X],        ji->joydev->axes[ABS_X       ][AXIS_ABS]) : 0;
 616         ji->js.lY           = ji->axes[ABS_Y]!=-1        ? map_axis(ji, ji->axes[ABS_Y],        ji->joydev->axes[ABS_Y       ][AXIS_ABS]) : 0;
 617         ji->js.lZ           = ji->axes[ABS_Z]!=-1        ? map_axis(ji, ji->axes[ABS_Z],        ji->joydev->axes[ABS_Z       ][AXIS_ABS]) : 0;
 618         ji->js.lRx          = ji->axes[ABS_RX]!=-1       ? map_axis(ji, ji->axes[ABS_RX],       ji->joydev->axes[ABS_RX      ][AXIS_ABS]) : 0;
 619         ji->js.lRy          = ji->axes[ABS_RY]!=-1       ? map_axis(ji, ji->axes[ABS_RY],       ji->joydev->axes[ABS_RY      ][AXIS_ABS]) : 0;
 620         ji->js.lRz          = ji->axes[ABS_RZ]!=-1       ? map_axis(ji, ji->axes[ABS_RZ],       ji->joydev->axes[ABS_RZ      ][AXIS_ABS]) : 0;
 621         ji->js.rglSlider[0] = ji->axes[ABS_THROTTLE]!=-1 ? map_axis(ji, ji->axes[ABS_THROTTLE], ji->joydev->axes[ABS_THROTTLE][AXIS_ABS]) : 0;
 622         ji->js.rglSlider[1] = ji->axes[ABS_RUDDER]!=-1   ? map_axis(ji, ji->axes[ABS_RUDDER],   ji->joydev->axes[ABS_RUDDER  ][AXIS_ABS]) : 0;
 623         /* POV center is -1 */
 624         for (i=0; i<4; i++) {
 625                 ji->js.rgdwPOV[i] = -1;
 626         }
 627 }
 628
 629 /*
 630  * Maps an event value to a DX "clock" position:
 631  *           0
 632  * 27000    -1 9000
 633  *       18000
 634  */
 635 static DWORD map_pov(int event_value, int is_x)
 636 {
 637         DWORD ret = -1;
 638         if (is_x) {
 639                 if (event_value<0) {
 640                         ret = 27000;
 641                 } else if (event_value>0) {
 642                         ret = 9000;
 643                 }
 644         } else {
 645                 if (event_value<0) {
 646                         ret = 0;
 647                 } else if (event_value>0) {
 648                         ret = 18000;
 649                 }
 650         }
 651         return ret;
 652 }
 653
 654 /* convert wine format offset to user format object index */
 655 static void joy_polldev(JoystickImpl *This)
 656 {
 657     struct pollfd plfd;
 658     struct input_event ie;
 659
 660     if (This->joyfd==-1)
 661         return;
 662
 663     while (1)
 664     {
 665         LONG value = 0;
 666         int inst_id = -1;
 667
 668         plfd.fd = This->joyfd;
 669         plfd.events = POLLIN;
 670
 671         if (poll(&plfd,1,0) != 1)
 672             return;
 673
 674         /* we have one event, so we can read */
 675         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 676             return;
 677
 678         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 679         switch (ie.type) {
 680         case EV_KEY:    /* button */
 681         {
 682             int btn = This->buttons[ie.code];
 683
 684             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 685             if (btn & 0x80)
 686             {
 687                 btn &= 0x7F;
 688                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 689                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 690             }
 691             break;
 692         }
 693         case EV_ABS:
 694         {
 695             int axis = This->axes[ie.code];
 696             if (axis==-1) {
 697                 break;
 698             }
 699             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 700             value = map_axis(This, axis, ie.value);
 701
 702             switch (ie.code) {
 703             case ABS_X:         This->js.lX  = value; break;
 704             case ABS_Y:         This->js.lY  = value; break;
 705             case ABS_Z:         This->js.lZ  = value; break;
 706             case ABS_RX:        This->js.lRx = value; break;
 707             case ABS_RY:        This->js.lRy = value; break;
 708             case ABS_RZ:        This->js.lRz = value; break;
 709             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 710             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 711             case ABS_HAT0X:
 712             case ABS_HAT0Y:
 713                 This->js.rgdwPOV[0] = value = map_pov(ie.value, ie.code==ABS_HAT0X);
 714                 break;
 715             case ABS_HAT1X:
 716             case ABS_HAT1Y:
 717                 This->js.rgdwPOV[1] = value = map_pov(ie.value, ie.code==ABS_HAT1X);
 718                 break;
 719             case ABS_HAT2X:
 720             case ABS_HAT2Y:
 721                 This->js.rgdwPOV[2] = value  = map_pov(ie.value, ie.code==ABS_HAT2X);
 722                 break;
 723             case ABS_HAT3X:
 724             case ABS_HAT3Y:
 725                 This->js.rgdwPOV[3] = value  = map_pov(ie.value, ie.code==ABS_HAT3X);
 726                 break;
 727             default:
 728                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 729                 break;
 730             }
 731             break;
 732         }
 733 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 734         case EV_FF_STATUS:
 735             This->ff_state = ie.value;
 736             break;
 737 #endif
 738 #ifdef EV_SYN
 739         case EV_SYN:
 740             /* there is nothing to do */
 741             break;
 742 #endif
 743         default:
 744             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 745             break;
 746         }
 747         if (inst_id >= 0)
 748             queue_event((LPDIRECTINPUTDEVICE8A)This,
 749                         id_to_offset(&This->base.data_format, inst_id),
 750                         value, ie.time.tv_usec, This->dinput->evsequence++);
 751     }
 752 }
 753
 754 /******************************************************************************
 755   *     GetDeviceState : returns the "state" of the joystick.
 756   *
 757   */
 758 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 759         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 760 ) {
 761     JoystickImpl *This = (JoystickImpl *)iface;
 762
 763     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 764
 765     if (This->joyfd==-1) {
 766         WARN("not acquired\n");
 767         return DIERR_NOTACQUIRED;
 768     }
 769
 770     joy_polldev(This);
 771
 772     /* convert and copy data to user supplied buffer */
 773     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 774
 775     return DI_OK;
 776 }
 777
 778 /******************************************************************************
 779   *     SetProperty : change input device properties
 780   */
 781 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 782                                             REFGUID rguid,
 783                                             LPCDIPROPHEADER ph)
 784 {
 785   JoystickImpl *This = (JoystickImpl *)iface;
 786
 787   if (!ph) {
 788     WARN("invalid argument\n");
 789     return DIERR_INVALIDPARAM;
 790   }
 791
 792   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 793   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 794         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 795
 796   if (!HIWORD(rguid)) {
 797     switch (LOWORD(rguid)) {
 798     case (DWORD)DIPROP_RANGE: {
 799       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 800
 801       if (ph->dwHow == DIPH_DEVICE) {
 802         int i;
 803         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 804         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 805           This->props[i].wantmin = pr->lMin;
 806           This->props[i].wantmax = pr->lMax;
 807         }
 808       } else {
 809         int obj = find_property(&This->base.data_format, ph);
 810
 811         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 812         if (obj >= 0) {
 813           This->props[obj].wantmin = pr->lMin;
 814           This->props[obj].wantmax = pr->lMax;
 815         }
 816       }
 817       fake_current_js_state(This);
 818       break;
 819     }
 820     case (DWORD)DIPROP_DEADZONE: {
 821       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 822       if (ph->dwHow == DIPH_DEVICE) {
 823         int i;
 824         TRACE("deadzone(%d) all\n", pd->dwData);
 825         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 826           This->props[i].deadzone = pd->dwData;
 827         }
 828       } else {
 829         int obj = find_property(&This->base.data_format, ph);
 830
 831         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 832         if (obj >= 0) {
 833           This->props[obj].deadzone = pd->dwData;
 834         }
 835       }
 836       fake_current_js_state(This);
 837       break;
 838     }
 839     case (DWORD)DIPROP_CALIBRATIONMODE: {
 840       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 841       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 842       break;
 843     }
 844     default:
 845       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 846     }
 847   }
 848   return DI_OK;
 849 }
 850
 851 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 852         LPDIRECTINPUTDEVICE8A iface,
 853         LPDIDEVCAPS lpDIDevCaps)
 854 {
 855     JoystickImpl *This = (JoystickImpl *)iface;
 856
 857     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 858
 859     if (!lpDIDevCaps) {
 860         WARN("invalid pointer\n");
 861         return E_POINTER;
 862     }
 863
 864     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 865         WARN("invalid argument\n");
 866         return DIERR_INVALIDPARAM;
 867     }
 868
 869     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 870     if (This->dinput->dwVersion >= 0x0800)
 871         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 872     else
 873         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 874
 875     if (This->joydev->has_ff)
 876          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 877
 878     lpDIDevCaps->dwAxes = This->numAxes;
 879     lpDIDevCaps->dwButtons = This->numButtons;
 880     lpDIDevCaps->dwPOVs = This->numPOVs;
 881
 882     return DI_OK;
 883 }
 884
 885 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 886     JoystickImpl *This = (JoystickImpl *)iface;
 887     TRACE("(%p)\n",This);
 888
 889     if (This->joyfd==-1) {
 890       return DIERR_NOTACQUIRED;
 891     }
 892
 893     joy_polldev(This);
 894     return DI_OK;
 895 }
 896
 897 /******************************************************************************
 898   *     GetProperty : get input device properties
 899   */
 900 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 901                                                 REFGUID rguid,
 902                                                 LPDIPROPHEADER pdiph)
 903 {
 904   JoystickImpl *This = (JoystickImpl *)iface;
 905
 906   TRACE("(this=%p,%s,%p)\n",
 907         iface, debugstr_guid(rguid), pdiph);
 908
 909   if (TRACE_ON(dinput))
 910     _dump_DIPROPHEADER(pdiph);
 911
 912   if (!HIWORD(rguid)) {
 913     switch (LOWORD(rguid)) {
 914     case (DWORD) DIPROP_RANGE: {
 915       LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 916       int obj = find_property(&This->base.data_format, pdiph);
 917
 918       if (obj >= 0) {
 919         pr->lMin = This->props[obj].havemin;
 920         pr->lMax = This->props[obj].havemax;
 921         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 922       }
 923       break;
 924     }
 925
 926     default:
 927       return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 928     }
 929   }
 930
 931
 932   return DI_OK;
 933 }
 934
 935 /******************************************************************************
 936   *     GetObjectInfo : get information about a device object such as a button
 937   *                     or axis
 938   */
 939 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 940         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 941 {
 942     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 943     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 944     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 945     HRESULT res;
 946
 947     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 948     if (res != DI_OK) return res;
 949
 950     if      (pdidoi->dwType & DIDFT_AXIS)
 951         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
 952     else if (pdidoi->dwType & DIDFT_POV)
 953         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
 954     else if (pdidoi->dwType & DIDFT_BUTTON)
 955         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
 956
 957     _dump_OBJECTINSTANCEW(pdidoi);
 958     return res;
 959 }
 960
 961 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
 962         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
 963 {
 964     HRESULT res;
 965     DIDEVICEOBJECTINSTANCEW didoiW;
 966     DWORD dwSize = pdidoi->dwSize;
 967
 968     didoiW.dwSize = sizeof(didoiW);
 969     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
 970     if (res != DI_OK) return res;
 971
 972     memset(pdidoi, 0, pdidoi->dwSize);
 973     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
 974     pdidoi->dwSize = dwSize;
 975     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
 976                         sizeof(pdidoi->tszName), NULL, NULL);
 977
 978     return res;
 979 }
 980
 981 /******************************************************************************
 982   *     CreateEffect - Create a new FF effect with the specified params
 983   */
 984 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
 985                                                  REFGUID rguid,
 986                                                  LPCDIEFFECT lpeff,
 987                                                  LPDIRECTINPUTEFFECT *ppdef,
 988                                                  LPUNKNOWN pUnkOuter)
 989 {
 990 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 991     EffectListItem* new = NULL;
 992     HRESULT retval = DI_OK;
 993 #endif
 994
 995     JoystickImpl* This = (JoystickImpl*)iface;
 996     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
 997
 998 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 999     TRACE("not available (compiled w/o ff support)\n");
1000     *ppdef = NULL;
1001     return DI_OK;
1002 #else
1003
1004     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1005     new->next = This->top_effect;
1006     This->top_effect = new;
1007
1008     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1009     if (retval != DI_OK)
1010         return retval;
1011
1012     if (lpeff != NULL)
1013         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1014     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1015         return retval;
1016
1017     *ppdef = new->ref;
1018
1019     if (pUnkOuter != NULL)
1020         FIXME("Interface aggregation not implemented.\n");
1021
1022     return DI_OK;
1023
1024 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1025 }
1026
1027 /*******************************************************************************
1028  *      EnumEffects - Enumerate available FF effects
1029  */
1030 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1031                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1032                                                 LPVOID pvRef,
1033                                                 DWORD dwEffType)
1034 {
1035 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1036     DIEFFECTINFOA dei; /* feif */
1037     DWORD type = DIEFT_GETTYPE(dwEffType);
1038     JoystickImpl* This = (JoystickImpl*)iface;
1039
1040     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1041
1042     dei.dwSize = sizeof(DIEFFECTINFOA);
1043
1044     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1045         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1046         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1047         (*lpCallback)(&dei, pvRef);
1048     }
1049
1050     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1051         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1052         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1053             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1054             (*lpCallback)(&dei, pvRef);
1055         }
1056         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1057             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1058             (*lpCallback)(&dei, pvRef);
1059         }
1060         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1061             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1062             (*lpCallback)(&dei, pvRef);
1063         }
1064         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1065             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1066             (*lpCallback)(&dei, pvRef);
1067         }
1068         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1069             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1070             (*lpCallback)(&dei, pvRef);
1071         }
1072     }
1073
1074     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1075         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1076         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1077         (*lpCallback)(&dei, pvRef);
1078     }
1079
1080     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1081         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1082             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1083             (*lpCallback)(&dei, pvRef);
1084         }
1085         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1086             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1087             (*lpCallback)(&dei, pvRef);
1088         }
1089         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1090             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1091             (*lpCallback)(&dei, pvRef);
1092         }
1093         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1094             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1095             (*lpCallback)(&dei, pvRef);
1096         }
1097     }
1098
1099 #endif
1100
1101     return DI_OK;
1102 }
1103
1104 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1105                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1106                                                 LPVOID pvRef,
1107                                                 DWORD dwEffType)
1108 {
1109 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1110     /* seems silly to duplicate all this code but all the structures and functions
1111      * are actually different (A/W) */
1112     DIEFFECTINFOW dei; /* feif */
1113     DWORD type = DIEFT_GETTYPE(dwEffType);
1114     JoystickImpl* This = (JoystickImpl*)iface;
1115     int xfd = This->joyfd;
1116
1117     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1118
1119     dei.dwSize = sizeof(DIEFFECTINFOW);
1120
1121     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1122         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1123         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1124         (*lpCallback)(&dei, pvRef);
1125     }
1126
1127     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1128         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1129         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1130             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1131             (*lpCallback)(&dei, pvRef);
1132         }
1133         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1134             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1135             (*lpCallback)(&dei, pvRef);
1136         }
1137         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1138             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1139             (*lpCallback)(&dei, pvRef);
1140         }
1141         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1142             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1143             (*lpCallback)(&dei, pvRef);
1144         }
1145         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1146             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1147             (*lpCallback)(&dei, pvRef);
1148         }
1149     }
1150
1151     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1152         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1153         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1154         (*lpCallback)(&dei, pvRef);
1155     }
1156
1157     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1158         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1159             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1160             (*lpCallback)(&dei, pvRef);
1161         }
1162         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1163             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1164             (*lpCallback)(&dei, pvRef);
1165         }
1166         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1167             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1168             (*lpCallback)(&dei, pvRef);
1169         }
1170         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1171             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1172             (*lpCallback)(&dei, pvRef);
1173         }
1174     }
1175
1176     /* return to unacquired state if that's where it was */
1177     if (xfd == -1)
1178         IDirectInputDevice8_Unacquire(iface);
1179 #endif
1180
1181     return DI_OK;
1182 }
1183
1184 /*******************************************************************************
1185  *      GetEffectInfo - Get information about a particular effect
1186  */
1187 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1188                                                   LPDIEFFECTINFOA pdei,
1189                                                   REFGUID guid)
1190 {
1191     JoystickImpl* This = (JoystickImpl*)iface;
1192
1193     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1194
1195 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1196     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1197 #else
1198     return DI_OK;
1199 #endif
1200 }
1201
1202 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1203                                                   LPDIEFFECTINFOW pdei,
1204                                                   REFGUID guid)
1205 {
1206     JoystickImpl* This = (JoystickImpl*)iface;
1207
1208     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1209
1210 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1211     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1212 #else
1213     return DI_OK;
1214 #endif
1215 }
1216
1217 /*******************************************************************************
1218  *      GetForceFeedbackState - Get information about the device's FF state
1219  */
1220 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1221         LPDIRECTINPUTDEVICE8A iface,
1222         LPDWORD pdwOut)
1223 {
1224     JoystickImpl* This = (JoystickImpl*)iface;
1225
1226     TRACE("(this=%p,%p)\n", This, pdwOut);
1227
1228     (*pdwOut) = 0;
1229
1230 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1231     /* DIGFFS_STOPPED is the only mandatory flag to report */
1232     if (This->ff_state == FF_STATUS_STOPPED)
1233         (*pdwOut) |= DIGFFS_STOPPED;
1234 #endif
1235
1236     return DI_OK;
1237 }
1238
1239 /*******************************************************************************
1240  *      SendForceFeedbackCommand - Send a command to the device's FF system
1241  */
1242 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1243         LPDIRECTINPUTDEVICE8A iface,
1244         DWORD dwFlags)
1245 {
1246     JoystickImpl* This = (JoystickImpl*)iface;
1247     TRACE("(this=%p,%d)\n", This, dwFlags);
1248
1249 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1250     if (dwFlags == DISFFC_STOPALL) {
1251         /* Stop all effects */
1252         EffectListItem* itr = This->top_effect;
1253         while (itr) {
1254             IDirectInputEffect_Stop(itr->ref);
1255             itr = itr->next;
1256         }
1257     } else if (dwFlags == DISFFC_RESET) {
1258         /* Stop, unload, release and free all effects */
1259         /* This returns the device to its "bare" state */
1260         while (This->top_effect) {
1261             EffectListItem* temp = This->top_effect;
1262             IDirectInputEffect_Stop(temp->ref);
1263             IDirectInputEffect_Unload(temp->ref);
1264             IDirectInputEffect_Release(temp->ref);
1265             This->top_effect = temp->next;
1266             HeapFree(GetProcessHeap(), 0, temp);
1267         }
1268     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1269         FIXME("No support for Pause or Continue in linux\n");
1270     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1271                 || dwFlags == DISFFC_SETACTUATORSON) {
1272         FIXME("No direct actuator control in linux\n");
1273     } else {
1274         FIXME("Unknown Force Feedback Command!\n");
1275         return DIERR_INVALIDPARAM;
1276     }
1277     return DI_OK;
1278 #else
1279     return DIERR_UNSUPPORTED;
1280 #endif
1281 }
1282
1283 /*******************************************************************************
1284  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1285  *              created for this device.
1286  */
1287 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1288         LPDIRECTINPUTDEVICE8A iface,
1289         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1290         LPVOID pvRef,
1291         DWORD dwFlags)
1292 {
1293     /* this function is safe to call on non-ff-enabled builds */
1294
1295     JoystickImpl* This = (JoystickImpl*)iface;
1296     EffectListItem* itr = This->top_effect;
1297     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1298
1299     if (!lpCallback)
1300         return DIERR_INVALIDPARAM;
1301
1302     if (dwFlags != 0)
1303         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1304
1305     while (itr) {
1306         (*lpCallback)(itr->ref, pvRef);
1307         itr = itr->next;
1308     }
1309
1310     return DI_OK;
1311 }
1312
1313 static const IDirectInputDevice8AVtbl JoystickAvt =
1314 {
1315         IDirectInputDevice2AImpl_QueryInterface,
1316         IDirectInputDevice2AImpl_AddRef,
1317         JoystickAImpl_Release,
1318         JoystickAImpl_GetCapabilities,
1319         IDirectInputDevice2AImpl_EnumObjects,
1320         JoystickAImpl_GetProperty,
1321         JoystickAImpl_SetProperty,
1322         JoystickAImpl_Acquire,
1323         JoystickAImpl_Unacquire,
1324         JoystickAImpl_GetDeviceState,
1325         IDirectInputDevice2AImpl_GetDeviceData,
1326         IDirectInputDevice2AImpl_SetDataFormat,
1327         IDirectInputDevice2AImpl_SetEventNotification,
1328         IDirectInputDevice2AImpl_SetCooperativeLevel,
1329         JoystickAImpl_GetObjectInfo,
1330         IDirectInputDevice2AImpl_GetDeviceInfo,
1331         IDirectInputDevice2AImpl_RunControlPanel,
1332         IDirectInputDevice2AImpl_Initialize,
1333         JoystickAImpl_CreateEffect,
1334         JoystickAImpl_EnumEffects,
1335         JoystickAImpl_GetEffectInfo,
1336         JoystickAImpl_GetForceFeedbackState,
1337         JoystickAImpl_SendForceFeedbackCommand,
1338         JoystickAImpl_EnumCreatedEffectObjects,
1339         IDirectInputDevice2AImpl_Escape,
1340         JoystickAImpl_Poll,
1341         IDirectInputDevice2AImpl_SendDeviceData,
1342         IDirectInputDevice7AImpl_EnumEffectsInFile,
1343         IDirectInputDevice7AImpl_WriteEffectToFile,
1344         IDirectInputDevice8AImpl_BuildActionMap,
1345         IDirectInputDevice8AImpl_SetActionMap,
1346         IDirectInputDevice8AImpl_GetImageInfo
1347 };
1348
1349 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1350 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1351 #else
1352 # define XCAST(fun)     (void*)
1353 #endif
1354
1355 static const IDirectInputDevice8WVtbl JoystickWvt =
1356 {
1357         IDirectInputDevice2WImpl_QueryInterface,
1358         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1359         XCAST(Release)JoystickAImpl_Release,
1360         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1361         IDirectInputDevice2WImpl_EnumObjects,
1362         XCAST(GetProperty)JoystickAImpl_GetProperty,
1363         XCAST(SetProperty)JoystickAImpl_SetProperty,
1364         XCAST(Acquire)JoystickAImpl_Acquire,
1365         XCAST(Unacquire)JoystickAImpl_Unacquire,
1366         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1367         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1368         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1369         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1370         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1371         JoystickWImpl_GetObjectInfo,
1372         IDirectInputDevice2WImpl_GetDeviceInfo,
1373         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1374         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1375         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1376         JoystickWImpl_EnumEffects,
1377         JoystickWImpl_GetEffectInfo,
1378         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1379         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1380         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1381         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1382         XCAST(Poll)JoystickAImpl_Poll,
1383         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1384         IDirectInputDevice7WImpl_EnumEffectsInFile,
1385         IDirectInputDevice7WImpl_WriteEffectToFile,
1386         IDirectInputDevice8WImpl_BuildActionMap,
1387         IDirectInputDevice8WImpl_SetActionMap,
1388         IDirectInputDevice8WImpl_GetImageInfo
1389 };
1390 #undef XCAST
1391
1392 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1393
1394 const struct dinput_device joystick_linuxinput_device = {
1395   "Wine Linux-input joystick driver",
1396   NULL,
1397   NULL,
1398   NULL,
1399   NULL
1400 };
1401
1402 #endif  /* HAVE_CORRECT_LINUXINPUT_H */