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         IDirectInputDevice_Unacquire(iface);
 520
 521         /* Reset the FF state, free all effects, etc */
 522         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 523
 524         /* Free the data queue */
 525         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
 526
 527         /* release the data transform filter */
 528         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df->rgodf);
 529         HeapFree(GetProcessHeap(), 0, This->base.data_format.wine_df);
 530         release_DataFormat(&This->base.data_format);
 531
 532         IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
 533         This->base.crit.DebugInfo->Spare[0] = 0;
 534         DeleteCriticalSection(&This->base.crit);
 535
 536         HeapFree(GetProcessHeap(),0,This);
 537         return 0;
 538 }
 539
 540 /******************************************************************************
 541   *     Acquire : gets exclusive control of the joystick
 542   */
 543 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 544 {
 545     JoystickImpl *This = (JoystickImpl *)iface;
 546     HRESULT res;
 547
 548     TRACE("(this=%p)\n",This);
 549
 550     res = IDirectInputDevice2AImpl_Acquire(iface);
 551     if (res==DI_OK) {
 552       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 553         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 554           /* Couldn't open the device at all */
 555           perror(This->joydev->device);
 556           IDirectInputDevice2AImpl_Unacquire(iface);
 557           return DIERR_NOTFOUND;
 558         } else {
 559           /* Couldn't open in r/w but opened in read-only. */
 560           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 561         }
 562       }
 563     }
 564
 565     return res;
 566 }
 567
 568 /******************************************************************************
 569   *     Unacquire : frees the joystick
 570   */
 571 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 572 {
 573     JoystickImpl *This = (JoystickImpl *)iface;
 574     HRESULT res;
 575
 576     TRACE("(this=%p)\n",This);
 577     res = IDirectInputDevice2AImpl_Unacquire(iface);
 578     if (res==DI_OK && This->joyfd!=-1) {
 579       close(This->joyfd);
 580       This->joyfd = -1;
 581     }
 582     return res;
 583 }
 584
 585 /*
 586  * This maps the read value (from the input event) to a value in the
 587  * 'wanted' range. It also autodetects the possible range of the axis and
 588  * adapts values accordingly.
 589  */
 590 static int
 591 map_axis(JoystickImpl* This, int axis, int val) {
 592     int hmax = This->props[axis].havemax;
 593     int hmin = This->props[axis].havemin;
 594     int wmin = This->props[axis].wantmin;
 595     int wmax = This->props[axis].wantmax;
 596     int ret;
 597
 598     /* map the value from the hmin-hmax range into the wmin-wmax range */
 599     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 600
 601     TRACE("hmin=%d hmax=%d wmin=%d wmax=%d val=%d ret=%d\n", hmin, hmax, wmin, wmax, val, ret);
 602
 603 #if 0
 604     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 605     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 606         FIXME("%d in deadzone, return mid.\n",val);
 607         return (wmax-wmin)/2+wmin;
 608     }
 609 #endif
 610     return ret;
 611 }
 612
 613 /*
 614  * set the current state of the js device as it would be with the middle
 615  * values on the axes
 616  */
 617 static void fake_current_js_state(JoystickImpl *ji)
 618 {
 619         int i;
 620         /* center the axes */
 621         ji->js.lX           = ji->axes[ABS_X]!=-1        ? map_axis(ji, ji->axes[ABS_X],        ji->joydev->axes[ABS_X       ][AXIS_ABS]) : 0;
 622         ji->js.lY           = ji->axes[ABS_Y]!=-1        ? map_axis(ji, ji->axes[ABS_Y],        ji->joydev->axes[ABS_Y       ][AXIS_ABS]) : 0;
 623         ji->js.lZ           = ji->axes[ABS_Z]!=-1        ? map_axis(ji, ji->axes[ABS_Z],        ji->joydev->axes[ABS_Z       ][AXIS_ABS]) : 0;
 624         ji->js.lRx          = ji->axes[ABS_RX]!=-1       ? map_axis(ji, ji->axes[ABS_RX],       ji->joydev->axes[ABS_RX      ][AXIS_ABS]) : 0;
 625         ji->js.lRy          = ji->axes[ABS_RY]!=-1       ? map_axis(ji, ji->axes[ABS_RY],       ji->joydev->axes[ABS_RY      ][AXIS_ABS]) : 0;
 626         ji->js.lRz          = ji->axes[ABS_RZ]!=-1       ? map_axis(ji, ji->axes[ABS_RZ],       ji->joydev->axes[ABS_RZ      ][AXIS_ABS]) : 0;
 627         ji->js.rglSlider[0] = ji->axes[ABS_THROTTLE]!=-1 ? map_axis(ji, ji->axes[ABS_THROTTLE], ji->joydev->axes[ABS_THROTTLE][AXIS_ABS]) : 0;
 628         ji->js.rglSlider[1] = ji->axes[ABS_RUDDER]!=-1   ? map_axis(ji, ji->axes[ABS_RUDDER],   ji->joydev->axes[ABS_RUDDER  ][AXIS_ABS]) : 0;
 629         /* POV center is -1 */
 630         for (i=0; i<4; i++) {
 631                 ji->js.rgdwPOV[i] = -1;
 632         }
 633 }
 634
 635 /*
 636  * Maps an event value to a DX "clock" position:
 637  *           0
 638  * 27000    -1 9000
 639  *       18000
 640  */
 641 static DWORD map_pov(int event_value, int is_x)
 642 {
 643         DWORD ret = -1;
 644         if (is_x) {
 645                 if (event_value<0) {
 646                         ret = 27000;
 647                 } else if (event_value>0) {
 648                         ret = 9000;
 649                 }
 650         } else {
 651                 if (event_value<0) {
 652                         ret = 0;
 653                 } else if (event_value>0) {
 654                         ret = 18000;
 655                 }
 656         }
 657         return ret;
 658 }
 659
 660 /* convert wine format offset to user format object index */
 661 static void joy_polldev(JoystickImpl *This)
 662 {
 663     struct pollfd plfd;
 664     struct input_event ie;
 665
 666     if (This->joyfd==-1)
 667         return;
 668
 669     while (1)
 670     {
 671         LONG value = 0;
 672         int inst_id = -1;
 673
 674         plfd.fd = This->joyfd;
 675         plfd.events = POLLIN;
 676
 677         if (poll(&plfd,1,0) != 1)
 678             return;
 679
 680         /* we have one event, so we can read */
 681         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 682             return;
 683
 684         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 685         switch (ie.type) {
 686         case EV_KEY:    /* button */
 687         {
 688             int btn = This->buttons[ie.code];
 689
 690             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 691             if (btn & 0x80)
 692             {
 693                 btn &= 0x7F;
 694                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 695                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 696             }
 697             break;
 698         }
 699         case EV_ABS:
 700         {
 701             int axis = This->axes[ie.code];
 702             if (axis==-1) {
 703                 break;
 704             }
 705             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 706             value = map_axis(This, axis, ie.value);
 707
 708             switch (ie.code) {
 709             case ABS_X:         This->js.lX  = value; break;
 710             case ABS_Y:         This->js.lY  = value; break;
 711             case ABS_Z:         This->js.lZ  = value; break;
 712             case ABS_RX:        This->js.lRx = value; break;
 713             case ABS_RY:        This->js.lRy = value; break;
 714             case ABS_RZ:        This->js.lRz = value; break;
 715             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 716             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 717             case ABS_HAT0X:
 718             case ABS_HAT0Y:
 719                 This->js.rgdwPOV[0] = value = map_pov(ie.value, ie.code==ABS_HAT0X);
 720                 break;
 721             case ABS_HAT1X:
 722             case ABS_HAT1Y:
 723                 This->js.rgdwPOV[1] = value = map_pov(ie.value, ie.code==ABS_HAT1X);
 724                 break;
 725             case ABS_HAT2X:
 726             case ABS_HAT2Y:
 727                 This->js.rgdwPOV[2] = value  = map_pov(ie.value, ie.code==ABS_HAT2X);
 728                 break;
 729             case ABS_HAT3X:
 730             case ABS_HAT3Y:
 731                 This->js.rgdwPOV[3] = value  = map_pov(ie.value, ie.code==ABS_HAT3X);
 732                 break;
 733             default:
 734                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 735                 break;
 736             }
 737             break;
 738         }
 739 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 740         case EV_FF_STATUS:
 741             This->ff_state = ie.value;
 742             break;
 743 #endif
 744 #ifdef EV_SYN
 745         case EV_SYN:
 746             /* there is nothing to do */
 747             break;
 748 #endif
 749         default:
 750             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 751             break;
 752         }
 753         if (inst_id >= 0)
 754             queue_event((LPDIRECTINPUTDEVICE8A)This,
 755                         id_to_offset(&This->base.data_format, inst_id),
 756                         value, ie.time.tv_usec, This->dinput->evsequence++);
 757     }
 758 }
 759
 760 /******************************************************************************
 761   *     GetDeviceState : returns the "state" of the joystick.
 762   *
 763   */
 764 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 765         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 766 ) {
 767     JoystickImpl *This = (JoystickImpl *)iface;
 768
 769     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 770
 771     if (This->joyfd==-1) {
 772         WARN("not acquired\n");
 773         return DIERR_NOTACQUIRED;
 774     }
 775
 776     joy_polldev(This);
 777
 778     /* convert and copy data to user supplied buffer */
 779     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 780
 781     return DI_OK;
 782 }
 783
 784 /******************************************************************************
 785   *     SetProperty : change input device properties
 786   */
 787 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 788                                             REFGUID rguid,
 789                                             LPCDIPROPHEADER ph)
 790 {
 791   JoystickImpl *This = (JoystickImpl *)iface;
 792
 793   if (!ph) {
 794     WARN("invalid argument\n");
 795     return DIERR_INVALIDPARAM;
 796   }
 797
 798   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 799   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 800         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 801
 802   if (!HIWORD(rguid)) {
 803     switch (LOWORD(rguid)) {
 804     case (DWORD)DIPROP_RANGE: {
 805       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 806
 807       if (ph->dwHow == DIPH_DEVICE) {
 808         int i;
 809         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 810         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 811           This->props[i].wantmin = pr->lMin;
 812           This->props[i].wantmax = pr->lMax;
 813         }
 814       } else {
 815         int obj = find_property(&This->base.data_format, ph);
 816
 817         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 818         if (obj >= 0) {
 819           This->props[obj].wantmin = pr->lMin;
 820           This->props[obj].wantmax = pr->lMax;
 821         }
 822       }
 823       fake_current_js_state(This);
 824       break;
 825     }
 826     case (DWORD)DIPROP_DEADZONE: {
 827       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 828       if (ph->dwHow == DIPH_DEVICE) {
 829         int i;
 830         TRACE("deadzone(%d) all\n", pd->dwData);
 831         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 832           This->props[i].deadzone = pd->dwData;
 833         }
 834       } else {
 835         int obj = find_property(&This->base.data_format, ph);
 836
 837         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 838         if (obj >= 0) {
 839           This->props[obj].deadzone = pd->dwData;
 840         }
 841       }
 842       fake_current_js_state(This);
 843       break;
 844     }
 845     case (DWORD)DIPROP_CALIBRATIONMODE: {
 846       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 847       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 848       break;
 849     }
 850     default:
 851       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 852     }
 853   }
 854   return DI_OK;
 855 }
 856
 857 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 858         LPDIRECTINPUTDEVICE8A iface,
 859         LPDIDEVCAPS lpDIDevCaps)
 860 {
 861     JoystickImpl *This = (JoystickImpl *)iface;
 862
 863     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 864
 865     if (!lpDIDevCaps) {
 866         WARN("invalid pointer\n");
 867         return E_POINTER;
 868     }
 869
 870     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 871         WARN("invalid argument\n");
 872         return DIERR_INVALIDPARAM;
 873     }
 874
 875     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 876     if (This->dinput->dwVersion >= 0x0800)
 877         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 878     else
 879         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 880
 881     if (This->joydev->has_ff)
 882          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 883
 884     lpDIDevCaps->dwAxes = This->numAxes;
 885     lpDIDevCaps->dwButtons = This->numButtons;
 886     lpDIDevCaps->dwPOVs = This->numPOVs;
 887
 888     return DI_OK;
 889 }
 890
 891 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 892     JoystickImpl *This = (JoystickImpl *)iface;
 893     TRACE("(%p)\n",This);
 894
 895     if (This->joyfd==-1) {
 896       return DIERR_NOTACQUIRED;
 897     }
 898
 899     joy_polldev(This);
 900     return DI_OK;
 901 }
 902
 903 /******************************************************************************
 904   *     GetProperty : get input device properties
 905   */
 906 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 907                                                 REFGUID rguid,
 908                                                 LPDIPROPHEADER pdiph)
 909 {
 910     JoystickImpl *This = (JoystickImpl *)iface;
 911
 912     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 913     _dump_DIPROPHEADER(pdiph);
 914
 915     if (HIWORD(rguid)) return DI_OK;
 916
 917     switch (LOWORD(rguid)) {
 918     case (DWORD) DIPROP_RANGE:
 919     {
 920         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 921         int obj = find_property(&This->base.data_format, pdiph);
 922
 923         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 924
 925         pr->lMin = This->props[obj].wantmin;
 926         pr->lMax = This->props[obj].wantmax;
 927         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 928         break;
 929     }
 930     case (DWORD) DIPROP_DEADZONE:
 931     {
 932         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 933         int obj = find_property(&This->base.data_format, pdiph);
 934
 935         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 936
 937         pd->dwData = This->props[obj].deadzone;
 938         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 939         break;
 940     }
 941
 942     default:
 943         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
 944     }
 945
 946     return DI_OK;
 947 }
 948
 949 /******************************************************************************
 950   *     GetObjectInfo : get information about a device object such as a button
 951   *                     or axis
 952   */
 953 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
 954         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
 955 {
 956     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
 957     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
 958     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
 959     HRESULT res;
 960
 961     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
 962     if (res != DI_OK) return res;
 963
 964     if      (pdidoi->dwType & DIDFT_AXIS)
 965         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
 966     else if (pdidoi->dwType & DIDFT_POV)
 967         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
 968     else if (pdidoi->dwType & DIDFT_BUTTON)
 969         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
 970
 971     _dump_OBJECTINSTANCEW(pdidoi);
 972     return res;
 973 }
 974
 975 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
 976         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
 977 {
 978     HRESULT res;
 979     DIDEVICEOBJECTINSTANCEW didoiW;
 980     DWORD dwSize = pdidoi->dwSize;
 981
 982     didoiW.dwSize = sizeof(didoiW);
 983     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
 984     if (res != DI_OK) return res;
 985
 986     memset(pdidoi, 0, pdidoi->dwSize);
 987     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
 988     pdidoi->dwSize = dwSize;
 989     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
 990                         sizeof(pdidoi->tszName), NULL, NULL);
 991
 992     return res;
 993 }
 994
 995 /******************************************************************************
 996   *     CreateEffect - Create a new FF effect with the specified params
 997   */
 998 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
 999                                                  REFGUID rguid,
1000                                                  LPCDIEFFECT lpeff,
1001                                                  LPDIRECTINPUTEFFECT *ppdef,
1002                                                  LPUNKNOWN pUnkOuter)
1003 {
1004 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1005     EffectListItem* new = NULL;
1006     HRESULT retval = DI_OK;
1007 #endif
1008
1009     JoystickImpl* This = (JoystickImpl*)iface;
1010     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1011
1012 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1013     TRACE("not available (compiled w/o ff support)\n");
1014     *ppdef = NULL;
1015     return DI_OK;
1016 #else
1017
1018     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1019     new->next = This->top_effect;
1020     This->top_effect = new;
1021
1022     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1023     if (retval != DI_OK)
1024         return retval;
1025
1026     if (lpeff != NULL)
1027         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1028     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1029         return retval;
1030
1031     *ppdef = new->ref;
1032
1033     if (pUnkOuter != NULL)
1034         FIXME("Interface aggregation not implemented.\n");
1035
1036     return DI_OK;
1037
1038 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1039 }
1040
1041 /*******************************************************************************
1042  *      EnumEffects - Enumerate available FF effects
1043  */
1044 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1045                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1046                                                 LPVOID pvRef,
1047                                                 DWORD dwEffType)
1048 {
1049 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1050     DIEFFECTINFOA dei; /* feif */
1051     DWORD type = DIEFT_GETTYPE(dwEffType);
1052     JoystickImpl* This = (JoystickImpl*)iface;
1053
1054     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1055
1056     dei.dwSize = sizeof(DIEFFECTINFOA);
1057
1058     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1059         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1060         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1061         (*lpCallback)(&dei, pvRef);
1062     }
1063
1064     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1065         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1066         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1067             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1068             (*lpCallback)(&dei, pvRef);
1069         }
1070         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1071             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1072             (*lpCallback)(&dei, pvRef);
1073         }
1074         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1075             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1076             (*lpCallback)(&dei, pvRef);
1077         }
1078         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1079             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1080             (*lpCallback)(&dei, pvRef);
1081         }
1082         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1083             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1084             (*lpCallback)(&dei, pvRef);
1085         }
1086     }
1087
1088     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1089         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1090         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1091         (*lpCallback)(&dei, pvRef);
1092     }
1093
1094     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1095         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1096             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1097             (*lpCallback)(&dei, pvRef);
1098         }
1099         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1100             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1101             (*lpCallback)(&dei, pvRef);
1102         }
1103         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1104             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1105             (*lpCallback)(&dei, pvRef);
1106         }
1107         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1108             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1109             (*lpCallback)(&dei, pvRef);
1110         }
1111     }
1112
1113 #endif
1114
1115     return DI_OK;
1116 }
1117
1118 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1119                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1120                                                 LPVOID pvRef,
1121                                                 DWORD dwEffType)
1122 {
1123 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1124     /* seems silly to duplicate all this code but all the structures and functions
1125      * are actually different (A/W) */
1126     DIEFFECTINFOW dei; /* feif */
1127     DWORD type = DIEFT_GETTYPE(dwEffType);
1128     JoystickImpl* This = (JoystickImpl*)iface;
1129     int xfd = This->joyfd;
1130
1131     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1132
1133     dei.dwSize = sizeof(DIEFFECTINFOW);
1134
1135     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1136         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1137         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1138         (*lpCallback)(&dei, pvRef);
1139     }
1140
1141     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1142         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1143         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1144             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1145             (*lpCallback)(&dei, pvRef);
1146         }
1147         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1148             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1149             (*lpCallback)(&dei, pvRef);
1150         }
1151         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1152             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1153             (*lpCallback)(&dei, pvRef);
1154         }
1155         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1156             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1157             (*lpCallback)(&dei, pvRef);
1158         }
1159         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1160             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1161             (*lpCallback)(&dei, pvRef);
1162         }
1163     }
1164
1165     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1166         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1167         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1168         (*lpCallback)(&dei, pvRef);
1169     }
1170
1171     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1172         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1173             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1174             (*lpCallback)(&dei, pvRef);
1175         }
1176         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1177             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1178             (*lpCallback)(&dei, pvRef);
1179         }
1180         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1181             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1182             (*lpCallback)(&dei, pvRef);
1183         }
1184         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1185             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1186             (*lpCallback)(&dei, pvRef);
1187         }
1188     }
1189
1190     /* return to unacquired state if that's where it was */
1191     if (xfd == -1)
1192         IDirectInputDevice8_Unacquire(iface);
1193 #endif
1194
1195     return DI_OK;
1196 }
1197
1198 /*******************************************************************************
1199  *      GetEffectInfo - Get information about a particular effect
1200  */
1201 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1202                                                   LPDIEFFECTINFOA pdei,
1203                                                   REFGUID guid)
1204 {
1205     JoystickImpl* This = (JoystickImpl*)iface;
1206
1207     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1208
1209 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1210     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1211 #else
1212     return DI_OK;
1213 #endif
1214 }
1215
1216 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1217                                                   LPDIEFFECTINFOW pdei,
1218                                                   REFGUID guid)
1219 {
1220     JoystickImpl* This = (JoystickImpl*)iface;
1221
1222     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1223
1224 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1225     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1226 #else
1227     return DI_OK;
1228 #endif
1229 }
1230
1231 /*******************************************************************************
1232  *      GetForceFeedbackState - Get information about the device's FF state
1233  */
1234 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1235         LPDIRECTINPUTDEVICE8A iface,
1236         LPDWORD pdwOut)
1237 {
1238     JoystickImpl* This = (JoystickImpl*)iface;
1239
1240     TRACE("(this=%p,%p)\n", This, pdwOut);
1241
1242     (*pdwOut) = 0;
1243
1244 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1245     /* DIGFFS_STOPPED is the only mandatory flag to report */
1246     if (This->ff_state == FF_STATUS_STOPPED)
1247         (*pdwOut) |= DIGFFS_STOPPED;
1248 #endif
1249
1250     return DI_OK;
1251 }
1252
1253 /*******************************************************************************
1254  *      SendForceFeedbackCommand - Send a command to the device's FF system
1255  */
1256 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1257         LPDIRECTINPUTDEVICE8A iface,
1258         DWORD dwFlags)
1259 {
1260     JoystickImpl* This = (JoystickImpl*)iface;
1261     TRACE("(this=%p,%d)\n", This, dwFlags);
1262
1263 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1264     if (dwFlags == DISFFC_STOPALL) {
1265         /* Stop all effects */
1266         EffectListItem* itr = This->top_effect;
1267         while (itr) {
1268             IDirectInputEffect_Stop(itr->ref);
1269             itr = itr->next;
1270         }
1271     } else if (dwFlags == DISFFC_RESET) {
1272         /* Stop, unload, release and free all effects */
1273         /* This returns the device to its "bare" state */
1274         while (This->top_effect) {
1275             EffectListItem* temp = This->top_effect;
1276             IDirectInputEffect_Stop(temp->ref);
1277             IDirectInputEffect_Unload(temp->ref);
1278             IDirectInputEffect_Release(temp->ref);
1279             This->top_effect = temp->next;
1280             HeapFree(GetProcessHeap(), 0, temp);
1281         }
1282     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1283         FIXME("No support for Pause or Continue in linux\n");
1284     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1285                 || dwFlags == DISFFC_SETACTUATORSON) {
1286         FIXME("No direct actuator control in linux\n");
1287     } else {
1288         FIXME("Unknown Force Feedback Command!\n");
1289         return DIERR_INVALIDPARAM;
1290     }
1291     return DI_OK;
1292 #else
1293     return DIERR_UNSUPPORTED;
1294 #endif
1295 }
1296
1297 /*******************************************************************************
1298  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1299  *              created for this device.
1300  */
1301 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1302         LPDIRECTINPUTDEVICE8A iface,
1303         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1304         LPVOID pvRef,
1305         DWORD dwFlags)
1306 {
1307     /* this function is safe to call on non-ff-enabled builds */
1308
1309     JoystickImpl* This = (JoystickImpl*)iface;
1310     EffectListItem* itr = This->top_effect;
1311     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1312
1313     if (!lpCallback)
1314         return DIERR_INVALIDPARAM;
1315
1316     if (dwFlags != 0)
1317         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1318
1319     while (itr) {
1320         (*lpCallback)(itr->ref, pvRef);
1321         itr = itr->next;
1322     }
1323
1324     return DI_OK;
1325 }
1326
1327 static const IDirectInputDevice8AVtbl JoystickAvt =
1328 {
1329         IDirectInputDevice2AImpl_QueryInterface,
1330         IDirectInputDevice2AImpl_AddRef,
1331         JoystickAImpl_Release,
1332         JoystickAImpl_GetCapabilities,
1333         IDirectInputDevice2AImpl_EnumObjects,
1334         JoystickAImpl_GetProperty,
1335         JoystickAImpl_SetProperty,
1336         JoystickAImpl_Acquire,
1337         JoystickAImpl_Unacquire,
1338         JoystickAImpl_GetDeviceState,
1339         IDirectInputDevice2AImpl_GetDeviceData,
1340         IDirectInputDevice2AImpl_SetDataFormat,
1341         IDirectInputDevice2AImpl_SetEventNotification,
1342         IDirectInputDevice2AImpl_SetCooperativeLevel,
1343         JoystickAImpl_GetObjectInfo,
1344         IDirectInputDevice2AImpl_GetDeviceInfo,
1345         IDirectInputDevice2AImpl_RunControlPanel,
1346         IDirectInputDevice2AImpl_Initialize,
1347         JoystickAImpl_CreateEffect,
1348         JoystickAImpl_EnumEffects,
1349         JoystickAImpl_GetEffectInfo,
1350         JoystickAImpl_GetForceFeedbackState,
1351         JoystickAImpl_SendForceFeedbackCommand,
1352         JoystickAImpl_EnumCreatedEffectObjects,
1353         IDirectInputDevice2AImpl_Escape,
1354         JoystickAImpl_Poll,
1355         IDirectInputDevice2AImpl_SendDeviceData,
1356         IDirectInputDevice7AImpl_EnumEffectsInFile,
1357         IDirectInputDevice7AImpl_WriteEffectToFile,
1358         IDirectInputDevice8AImpl_BuildActionMap,
1359         IDirectInputDevice8AImpl_SetActionMap,
1360         IDirectInputDevice8AImpl_GetImageInfo
1361 };
1362
1363 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1364 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1365 #else
1366 # define XCAST(fun)     (void*)
1367 #endif
1368
1369 static const IDirectInputDevice8WVtbl JoystickWvt =
1370 {
1371         IDirectInputDevice2WImpl_QueryInterface,
1372         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1373         XCAST(Release)JoystickAImpl_Release,
1374         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1375         IDirectInputDevice2WImpl_EnumObjects,
1376         XCAST(GetProperty)JoystickAImpl_GetProperty,
1377         XCAST(SetProperty)JoystickAImpl_SetProperty,
1378         XCAST(Acquire)JoystickAImpl_Acquire,
1379         XCAST(Unacquire)JoystickAImpl_Unacquire,
1380         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1381         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1382         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1383         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1384         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1385         JoystickWImpl_GetObjectInfo,
1386         IDirectInputDevice2WImpl_GetDeviceInfo,
1387         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1388         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1389         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1390         JoystickWImpl_EnumEffects,
1391         JoystickWImpl_GetEffectInfo,
1392         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1393         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1394         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1395         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1396         XCAST(Poll)JoystickAImpl_Poll,
1397         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1398         IDirectInputDevice7WImpl_EnumEffectsInFile,
1399         IDirectInputDevice7WImpl_WriteEffectToFile,
1400         IDirectInputDevice8WImpl_BuildActionMap,
1401         IDirectInputDevice8WImpl_SetActionMap,
1402         IDirectInputDevice8WImpl_GetImageInfo
1403 };
1404 #undef XCAST
1405
1406 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1407
1408 const struct dinput_device joystick_linuxinput_device = {
1409   "Wine Linux-input joystick driver",
1410   NULL,
1411   NULL,
1412   NULL,
1413   NULL
1414 };
1415
1416 #endif  /* HAVE_CORRECT_LINUXINPUT_H */