dlls/dinput/joystick_linux.c

   1 /*              DirectInput Joystick device
   2  *
   3  * Copyright 1998 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 /*
  23  * To Do:
  24  *      dead zone
  25  *      force feedback
  26  */
  27
  28 #include "config.h"
  29 #include "wine/port.h"
  30
  31 #include <stdarg.h>
  32 #include <stdio.h>
  33 #include <string.h>
  34 #include <time.h>
  35 #ifdef HAVE_UNISTD_H
  36 # include <unistd.h>
  37 #endif
  38 #ifdef HAVE_SYS_TIME_H
  39 # include <sys/time.h>
  40 #endif
  41 #include <fcntl.h>
  42 #ifdef HAVE_SYS_IOCTL_H
  43 # include <sys/ioctl.h>
  44 #endif
  45 #include <errno.h>
  46 #ifdef HAVE_LINUX_IOCTL_H
  47 # include <linux/ioctl.h>
  48 #endif
  49 #ifdef HAVE_LINUX_JOYSTICK_H
  50 # include <linux/joystick.h>
  51 # undef SW_MAX
  52 #endif
  53 #ifdef HAVE_SYS_POLL_H
  54 # include <sys/poll.h>
  55 #endif
  56
  57 #include "wine/debug.h"
  58 #include "wine/unicode.h"
  59 #include "windef.h"
  60 #include "winbase.h"
  61 #include "winerror.h"
  62 #include "dinput.h"
  63
  64 #include "dinput_private.h"
  65 #include "device_private.h"
  66 #include "joystick_private.h"
  67
  68 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  69
  70 #ifdef HAVE_LINUX_22_JOYSTICK_API
  71
  72 #define JOYDEV_NEW "/dev/input/js"
  73 #define JOYDEV_OLD "/dev/js"
  74 #define JOYDEVDRIVER " (js)"
  75
  76 struct JoyDev
  77 {
  78     char device[MAX_PATH];
  79     char name[MAX_PATH];
  80
  81     BYTE axis_count;
  82     BYTE button_count;
  83     int  *dev_axes_map;
  84 };
  85
  86 typedef struct JoystickImpl JoystickImpl;
  87 static const IDirectInputDevice8AVtbl JoystickAvt;
  88 static const IDirectInputDevice8WVtbl JoystickWvt;
  89 struct JoystickImpl
  90 {
  91         struct JoystickGenericImpl generic;
  92
  93         struct JoyDev                  *joydev;
  94
  95         /* joystick private */
  96         int                             joyfd;
  97         POINTL                          povs[4];
  98 };
  99
 100 static inline JoystickImpl *impl_from_IDirectInputDevice8A(IDirectInputDevice8A *iface)
 101 {
 102     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8A_iface),
 103            JoystickGenericImpl, base), JoystickImpl, generic);
 104 }
 105 static inline JoystickImpl *impl_from_IDirectInputDevice8W(IDirectInputDevice8W *iface)
 106 {
 107     return CONTAINING_RECORD(CONTAINING_RECORD(CONTAINING_RECORD(iface, IDirectInputDeviceImpl, IDirectInputDevice8W_iface),
 108            JoystickGenericImpl, base), JoystickImpl, generic);
 109 }
 110 static inline IDirectInputDevice8A *IDirectInputDevice8A_from_impl(JoystickImpl *This)
 111 {
 112     return &This->generic.base.IDirectInputDevice8A_iface;
 113 }
 114 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 115 {
 116     return &This->generic.base.IDirectInputDevice8W_iface;
 117 }
 118
 119 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 120   0x9e573ed9,
 121   0x7734,
 122   0x11d2,
 123   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 124 };
 125
 126 #define MAX_JOYSTICKS 64
 127 static INT joystick_devices_count = -1;
 128 static struct JoyDev *joystick_devices;
 129
 130 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 131
 132 static INT find_joystick_devices(void)
 133 {
 134     INT i;
 135
 136     if (joystick_devices_count != -1) return joystick_devices_count;
 137
 138     joystick_devices_count = 0;
 139     for (i = 0; i < MAX_JOYSTICKS; i++)
 140     {
 141         int fd;
 142         struct JoyDev joydev, *new_joydevs;
 143         BYTE axes_map[ABS_MAX + 1];
 144
 145         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 146         if ((fd = open(joydev.device, O_RDONLY)) < 0)
 147         {
 148             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 149             if ((fd = open(joydev.device, O_RDONLY)) < 0) continue;
 150         }
 151
 152         strcpy(joydev.name, "Wine Joystick");
 153 #if defined(JSIOCGNAME)
 154         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
 155             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 156 #endif
 157
 158         /* Append driver name */
 159         strcat(joydev.name, JOYDEVDRIVER);
 160
 161         if (device_disabled_registry(joydev.name)) {
 162             close(fd);
 163             continue;
 164         }
 165
 166 #ifdef JSIOCGAXES
 167         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 168         {
 169             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 170             joydev.axis_count = 2;
 171         }
 172 #endif
 173 #ifdef JSIOCGBUTTONS
 174         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 175         {
 176             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 177             joydev.button_count = 2;
 178         }
 179 #endif
 180
 181         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 182         {
 183             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 184             joydev.dev_axes_map = NULL;
 185         }
 186         else
 187             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 188             {
 189                 INT j;
 190
 191                 /* Remap to DI numbers */
 192                 for (j = 0; j < joydev.axis_count; j++)
 193                     if (axes_map[j] < 8)
 194                         /* Axis match 1-to-1 */
 195                         joydev.dev_axes_map[j] = j;
 196                     else if (axes_map[j] == 16 ||
 197                              axes_map[j] == 17)
 198                         /* POV axis */
 199                         joydev.dev_axes_map[j] = 8;
 200                     else
 201                         joydev.dev_axes_map[j] = -1;
 202             }
 203
 204         close(fd);
 205
 206         if (!joystick_devices_count)
 207             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 208         else
 209             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 210                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 211         if (!new_joydevs) continue;
 212
 213         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 214               joydev.name, joydev.axis_count, joydev.button_count);
 215
 216         joystick_devices = new_joydevs;
 217         joystick_devices[joystick_devices_count++] = joydev;
 218     }
 219
 220     return joystick_devices_count;
 221 }
 222
 223 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 224 {
 225     int fd = -1;
 226
 227     if (id >= find_joystick_devices()) return E_FAIL;
 228
 229     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 230         WARN("force feedback not supported\n");
 231         return S_FALSE;
 232     }
 233
 234     if ((dwDevType == 0) ||
 235         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 236         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 237         /* check whether we have a joystick */
 238         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 239         {
 240             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].name, strerror(errno));
 241             return S_FALSE;
 242         }
 243
 244         /* Return joystick */
 245         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 246         lpddi->guidInstance.Data3 = id;
 247         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 248         /* we only support traditional joysticks for now */
 249         if (version >= 0x0800)
 250             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 251         else
 252             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 253
 254         strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 255         strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 256
 257         lpddi->guidFFDriver = GUID_NULL;
 258         close(fd);
 259         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, lpddi->tszProductName);
 260         return S_OK;
 261     }
 262
 263     return S_FALSE;
 264 }
 265
 266 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 267 {
 268     int fd = -1;
 269
 270     if (id >= find_joystick_devices()) return E_FAIL;
 271
 272     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 273         WARN("force feedback not supported\n");
 274         return S_FALSE;
 275     }
 276
 277     if ((dwDevType == 0) ||
 278         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 279         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 280         /* check whether we have a joystick */
 281         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 282         {
 283             WARN("open(%s,O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 284             return S_FALSE;
 285         }
 286
 287         /* Return joystick */
 288         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 289         lpddi->guidInstance.Data3 = id;
 290         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 291         /* we only support traditional joysticks for now */
 292         if (version >= 0x0800)
 293             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 294         else
 295             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 296
 297         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 298         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 299         lpddi->guidFFDriver = GUID_NULL;
 300         close(fd);
 301         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 302         return S_OK;
 303     }
 304
 305     return S_FALSE;
 306 }
 307
 308 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 309                             JoystickImpl **pdev, unsigned short index)
 310 {
 311     DWORD i;
 312     JoystickImpl* newDevice;
 313     HRESULT hr;
 314     LPDIDATAFORMAT df = NULL;
 315     int idx = 0;
 316
 317     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 318
 319     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 320     if (newDevice == 0) {
 321         WARN("out of memory\n");
 322         *pdev = 0;
 323         return DIERR_OUTOFMEMORY;
 324     }
 325
 326     newDevice->joydev = &joystick_devices[index];
 327     newDevice->joyfd = -1;
 328     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 329     newDevice->generic.guidInstance.Data3 = index;
 330     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 331     newDevice->generic.joy_polldev = joy_polldev;
 332     newDevice->generic.name        = newDevice->joydev->name;
 333     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 334     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 335
 336     if (newDevice->generic.devcaps.dwButtons > 128)
 337     {
 338         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 339         newDevice->generic.devcaps.dwButtons = 128;
 340     }
 341
 342     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 343     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 344     newDevice->generic.base.ref = 1;
 345     newDevice->generic.base.dinput = dinput;
 346     newDevice->generic.base.guid = *rguid;
 347     InitializeCriticalSection(&newDevice->generic.base.crit);
 348     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 349
 350     /* setup_dinput_options may change these */
 351     newDevice->generic.deadzone = 0;
 352
 353     /* do any user specified configuration */
 354     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 355     if (hr != DI_OK)
 356         goto FAILED1;
 357
 358     /* Create copy of default data format */
 359     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 360     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 361
 362     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 363     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 364
 365     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 366     {
 367         int wine_obj = newDevice->generic.axis_map[i];
 368
 369         if (wine_obj < 0) continue;
 370
 371         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 372         if (wine_obj < 8)
 373             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 374         else
 375         {
 376             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 377             i++; /* POV takes 2 axes */
 378         }
 379     }
 380     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 381     {
 382         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 383         df->rgodf[idx  ].pguid = &GUID_Button;
 384         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 385     }
 386     newDevice->generic.base.data_format.wine_df = df;
 387
 388     /* initialize default properties */
 389     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 390         newDevice->generic.props[i].lDevMin = -32767;
 391         newDevice->generic.props[i].lDevMax = +32767;
 392         newDevice->generic.props[i].lMin = 0;
 393         newDevice->generic.props[i].lMax = 0xffff;
 394         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 395         newDevice->generic.props[i].lSaturation = 0;
 396     }
 397
 398     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 399
 400     EnterCriticalSection(&dinput->crit);
 401     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 402     LeaveCriticalSection(&dinput->crit);
 403
 404     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 405     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 406     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 407         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 408     else
 409         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 410     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 411     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 412     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 413     newDevice->generic.devcaps.dwHardwareRevision = 0;
 414     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 415
 416     if (TRACE_ON(dinput)) {
 417         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 418        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 419            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 420         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 421     }
 422
 423     *pdev = newDevice;
 424
 425     return DI_OK;
 426
 427 FAILED:
 428     hr = DIERR_OUTOFMEMORY;
 429 FAILED1:
 430     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 431     HeapFree(GetProcessHeap(), 0, df);
 432     release_DataFormat(&newDevice->generic.base.data_format);
 433     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 434     HeapFree(GetProcessHeap(),0,newDevice);
 435     *pdev = 0;
 436
 437     return hr;
 438 }
 439
 440 /******************************************************************************
 441   *     get_joystick_index : Get the joystick index from a given GUID
 442   */
 443 static unsigned short get_joystick_index(REFGUID guid)
 444 {
 445     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 446     GUID dev_guid = *guid;
 447
 448     wine_joystick.Data3 = 0;
 449     dev_guid.Data3 = 0;
 450
 451     /* for the standard joystick GUID use index 0 */
 452     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 453
 454     /* for the wine joystick GUIDs use the index stored in Data3 */
 455     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 456
 457     return MAX_JOYSTICKS;
 458 }
 459
 460 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 461 {
 462     unsigned short index;
 463
 464     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 465     find_joystick_devices();
 466     *pdev = NULL;
 467
 468     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 469         joystick_devices_count && index < joystick_devices_count)
 470     {
 471         JoystickImpl *This;
 472         HRESULT hr;
 473
 474         if (riid == NULL)
 475             ;/* nothing */
 476         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 477                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 478                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 479                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 480         {
 481             unicode = 0;
 482         }
 483         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 484                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 485                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 486                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 487         {
 488             unicode = 1;
 489         }
 490         else
 491         {
 492             WARN("no interface\n");
 493             return DIERR_NOINTERFACE;
 494         }
 495
 496         hr = alloc_device(rguid, dinput, &This, index);
 497         if (!This) return hr;
 498
 499         if (unicode)
 500             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 501         else
 502             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 503
 504         return hr;
 505     }
 506
 507     return DIERR_DEVICENOTREG;
 508 }
 509
 510 #undef MAX_JOYSTICKS
 511
 512 const struct dinput_device joystick_linux_device = {
 513   "Wine Linux joystick driver",
 514   joydev_enum_deviceA,
 515   joydev_enum_deviceW,
 516   joydev_create_device
 517 };
 518
 519 /******************************************************************************
 520   *     Acquire : gets exclusive control of the joystick
 521   */
 522 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 523 {
 524     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 525     HRESULT res;
 526
 527     TRACE("(%p)\n",This);
 528
 529     res = IDirectInputDevice2WImpl_Acquire(iface);
 530     if (res != DI_OK)
 531         return res;
 532
 533     /* open the joystick device */
 534     if (This->joyfd==-1) {
 535         TRACE("opening joystick device %s\n", This->joydev->device);
 536
 537         This->joyfd = open(This->joydev->device, O_RDONLY);
 538         if (This->joyfd==-1) {
 539             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 540             IDirectInputDevice2WImpl_Unacquire(iface);
 541             return DIERR_NOTFOUND;
 542         }
 543     }
 544
 545     return DI_OK;
 546 }
 547
 548 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 549 {
 550     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 551     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 552 }
 553
 554 /******************************************************************************
 555   *     GetProperty : get input device properties
 556   */
 557 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 558 {
 559     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 560
 561     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 562     _dump_DIPROPHEADER(pdiph);
 563
 564     if (!IS_DIPROP(rguid)) return DI_OK;
 565
 566     switch (LOWORD(rguid)) {
 567
 568         case (DWORD_PTR) DIPROP_JOYSTICKID:
 569         {
 570             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 571
 572             pd->dwData = get_joystick_index(&This->generic.base.guid);
 573             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 574             break;
 575         }
 576
 577     default:
 578         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 579     }
 580
 581     return DI_OK;
 582 }
 583
 584 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 585 {
 586     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 587     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 588 }
 589
 590 /******************************************************************************
 591   *     Unacquire : frees the joystick
 592   */
 593 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 594 {
 595     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 596     HRESULT res;
 597
 598     TRACE("(%p)\n",This);
 599
 600     res = IDirectInputDevice2WImpl_Unacquire(iface);
 601
 602     if (res != DI_OK)
 603         return res;
 604
 605     if (This->joyfd!=-1) {
 606         TRACE("closing joystick device\n");
 607         close(This->joyfd);
 608         This->joyfd = -1;
 609         return DI_OK;
 610     }
 611
 612     return DI_NOEFFECT;
 613 }
 614
 615 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 616 {
 617     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 618     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 619 }
 620
 621 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 622 {
 623     struct pollfd plfd;
 624     struct js_event jse;
 625     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 626
 627     TRACE("(%p)\n", This);
 628
 629     if (This->joyfd==-1) {
 630         WARN("no device\n");
 631         return;
 632     }
 633     while (1)
 634     {
 635         LONG value;
 636         int inst_id = -1;
 637
 638         plfd.fd = This->joyfd;
 639         plfd.events = POLLIN;
 640         if (poll(&plfd,1,0) != 1)
 641             return;
 642         /* we have one event, so we can read */
 643         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 644             return;
 645         }
 646         TRACE("js_event: type 0x%x, number %d, value %d\n",
 647               jse.type,jse.number,jse.value);
 648         if (jse.type & JS_EVENT_BUTTON)
 649         {
 650             if (jse.number >= This->generic.devcaps.dwButtons) return;
 651
 652             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 653             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 654         }
 655         else if (jse.type & JS_EVENT_AXIS)
 656         {
 657             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 658
 659             if (number < 0) return;
 660             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 661                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 662             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 663
 664             TRACE("changing axis %d => %d\n", jse.number, number);
 665             switch (number)
 666             {
 667                 case 0: This->generic.js.lX  = value; break;
 668                 case 1: This->generic.js.lY  = value; break;
 669                 case 2: This->generic.js.lZ  = value; break;
 670                 case 3: This->generic.js.lRx = value; break;
 671                 case 4: This->generic.js.lRy = value; break;
 672                 case 5: This->generic.js.lRz = value; break;
 673                 case 6: This->generic.js.rglSlider[0] = value; break;
 674                 case 7: This->generic.js.rglSlider[1] = value; break;
 675                 case 8: case 9: case 10: case 11:
 676                 {
 677                     int idx = number - 8;
 678
 679                     if (jse.number % 2)
 680                         This->povs[idx].y = jse.value;
 681                     else
 682                         This->povs[idx].x = jse.value;
 683
 684                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 685                     break;
 686                 }
 687                 default:
 688                     WARN("axis %d not supported\n", number);
 689             }
 690         }
 691         if (inst_id >= 0)
 692             queue_event(iface, inst_id,
 693                         value, jse.time, This->generic.base.dinput->evsequence++);
 694     }
 695 }
 696
 697 static const IDirectInputDevice8AVtbl JoystickAvt =
 698 {
 699         IDirectInputDevice2AImpl_QueryInterface,
 700         IDirectInputDevice2AImpl_AddRef,
 701         IDirectInputDevice2AImpl_Release,
 702         JoystickAGenericImpl_GetCapabilities,
 703         IDirectInputDevice2AImpl_EnumObjects,
 704         JoystickLinuxAImpl_GetProperty,
 705         JoystickAGenericImpl_SetProperty,
 706         JoystickLinuxAImpl_Acquire,
 707         JoystickLinuxAImpl_Unacquire,
 708         JoystickAGenericImpl_GetDeviceState,
 709         IDirectInputDevice2AImpl_GetDeviceData,
 710         IDirectInputDevice2AImpl_SetDataFormat,
 711         IDirectInputDevice2AImpl_SetEventNotification,
 712         IDirectInputDevice2AImpl_SetCooperativeLevel,
 713         JoystickAGenericImpl_GetObjectInfo,
 714         JoystickAGenericImpl_GetDeviceInfo,
 715         IDirectInputDevice2AImpl_RunControlPanel,
 716         IDirectInputDevice2AImpl_Initialize,
 717         IDirectInputDevice2AImpl_CreateEffect,
 718         IDirectInputDevice2AImpl_EnumEffects,
 719         IDirectInputDevice2AImpl_GetEffectInfo,
 720         IDirectInputDevice2AImpl_GetForceFeedbackState,
 721         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 722         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 723         IDirectInputDevice2AImpl_Escape,
 724         JoystickAGenericImpl_Poll,
 725         IDirectInputDevice2AImpl_SendDeviceData,
 726         IDirectInputDevice7AImpl_EnumEffectsInFile,
 727         IDirectInputDevice7AImpl_WriteEffectToFile,
 728         JoystickAGenericImpl_BuildActionMap,
 729         JoystickAGenericImpl_SetActionMap,
 730         IDirectInputDevice8AImpl_GetImageInfo
 731 };
 732
 733 static const IDirectInputDevice8WVtbl JoystickWvt =
 734 {
 735     IDirectInputDevice2WImpl_QueryInterface,
 736     IDirectInputDevice2WImpl_AddRef,
 737     IDirectInputDevice2WImpl_Release,
 738     JoystickWGenericImpl_GetCapabilities,
 739     IDirectInputDevice2WImpl_EnumObjects,
 740     JoystickLinuxWImpl_GetProperty,
 741     JoystickWGenericImpl_SetProperty,
 742     JoystickLinuxWImpl_Acquire,
 743     JoystickLinuxWImpl_Unacquire,
 744     JoystickWGenericImpl_GetDeviceState,
 745     IDirectInputDevice2WImpl_GetDeviceData,
 746     IDirectInputDevice2WImpl_SetDataFormat,
 747     IDirectInputDevice2WImpl_SetEventNotification,
 748     IDirectInputDevice2WImpl_SetCooperativeLevel,
 749     JoystickWGenericImpl_GetObjectInfo,
 750     JoystickWGenericImpl_GetDeviceInfo,
 751     IDirectInputDevice2WImpl_RunControlPanel,
 752     IDirectInputDevice2WImpl_Initialize,
 753     IDirectInputDevice2WImpl_CreateEffect,
 754     IDirectInputDevice2WImpl_EnumEffects,
 755     IDirectInputDevice2WImpl_GetEffectInfo,
 756     IDirectInputDevice2WImpl_GetForceFeedbackState,
 757     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 758     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 759     IDirectInputDevice2WImpl_Escape,
 760     JoystickWGenericImpl_Poll,
 761     IDirectInputDevice2WImpl_SendDeviceData,
 762     IDirectInputDevice7WImpl_EnumEffectsInFile,
 763     IDirectInputDevice7WImpl_WriteEffectToFile,
 764     JoystickWGenericImpl_BuildActionMap,
 765     JoystickWGenericImpl_SetActionMap,
 766     IDirectInputDevice8WImpl_GetImageInfo
 767 };
 768
 769 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 770
 771 const struct dinput_device joystick_linux_device = {
 772   "Wine Linux joystick driver",
 773   NULL,
 774   NULL,
 775   NULL
 776 };
 777
 778 #endif  /* HAVE_LINUX_22_JOYSTICK_API */