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