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
 111 static inline IDirectInputDevice8W *IDirectInputDevice8W_from_impl(JoystickImpl *This)
 112 {
 113     return &This->generic.base.IDirectInputDevice8W_iface;
 114 }
 115
 116 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 117   0x9e573ed9,
 118   0x7734,
 119   0x11d2,
 120   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 121 };
 122
 123 #define MAX_JOYSTICKS 64
 124 static INT joystick_devices_count = -1;
 125 static struct JoyDev *joystick_devices;
 126
 127 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface);
 128
 129 static INT find_joystick_devices(void)
 130 {
 131     INT i;
 132
 133     if (joystick_devices_count != -1) return joystick_devices_count;
 134
 135     joystick_devices_count = 0;
 136     for (i = 0; i < MAX_JOYSTICKS; i++)
 137     {
 138         int fd;
 139         struct JoyDev joydev, *new_joydevs;
 140         BYTE axes_map[ABS_MAX + 1];
 141
 142         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 143         if ((fd = open(joydev.device, O_RDONLY)) < 0)
 144         {
 145             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 146             if ((fd = open(joydev.device, O_RDONLY)) < 0) continue;
 147         }
 148
 149         strcpy(joydev.name, "Wine Joystick");
 150 #if defined(JSIOCGNAME)
 151         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name) - sizeof(JOYDEVDRIVER)), joydev.name) < 0)
 152             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 153 #endif
 154
 155         /* Append driver name */
 156         strcat(joydev.name, JOYDEVDRIVER);
 157
 158         if (device_disabled_registry(joydev.name)) {
 159             close(fd);
 160             continue;
 161         }
 162
 163 #ifdef JSIOCGAXES
 164         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 165         {
 166             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 167             joydev.axis_count = 2;
 168         }
 169 #else
 170         WARN("reading number of joystick axes unsupported in this platform, defaulting to 2\n");
 171         joydev.axis_count = 2;
 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 #else
 180         WARN("reading number of joystick buttons unsupported in this platform, defaulting to 2\n");
 181         joydev.button_count = 2;
 182 #endif
 183
 184         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 185         {
 186             WARN("ioctl(%s,JSIOCGAXMAP) failed: %s\n", joydev.device, strerror(errno));
 187             joydev.dev_axes_map = NULL;
 188         }
 189         else
 190             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 191             {
 192                 INT j;
 193
 194                 /* Remap to DI numbers */
 195                 for (j = 0; j < joydev.axis_count; j++)
 196                     if (axes_map[j] < 8)
 197                         /* Axis match 1-to-1 */
 198                         joydev.dev_axes_map[j] = j;
 199                     else if (axes_map[j] == 16 ||
 200                              axes_map[j] == 17)
 201                         /* POV axis */
 202                         joydev.dev_axes_map[j] = 8;
 203                     else
 204                         joydev.dev_axes_map[j] = -1;
 205             }
 206
 207         close(fd);
 208
 209         if (!joystick_devices_count)
 210             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 211         else
 212             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 213                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 214         if (!new_joydevs) continue;
 215
 216         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 217               joydev.name, joydev.axis_count, joydev.button_count);
 218
 219         joystick_devices = new_joydevs;
 220         joystick_devices[joystick_devices_count++] = joydev;
 221     }
 222
 223     return joystick_devices_count;
 224 }
 225
 226 static HRESULT joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 227 {
 228     int fd = -1;
 229
 230     if (id >= find_joystick_devices()) return E_FAIL;
 231
 232     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 233         WARN("force feedback not supported\n");
 234         return S_FALSE;
 235     }
 236
 237     if ((dwDevType == 0) ||
 238         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 239         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 240         /* check whether we have a joystick */
 241         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 242         {
 243             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].name, strerror(errno));
 244             return S_FALSE;
 245         }
 246
 247         /* Return joystick */
 248         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 249         lpddi->guidInstance.Data3 = id;
 250         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 251         /* we only support traditional joysticks for now */
 252         if (version >= 0x0800)
 253             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 254         else
 255             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 256
 257         strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 258         strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 259
 260         lpddi->guidFFDriver = GUID_NULL;
 261         close(fd);
 262         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, lpddi->tszProductName);
 263         return S_OK;
 264     }
 265
 266     return S_FALSE;
 267 }
 268
 269 static HRESULT joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 270 {
 271     int fd = -1;
 272
 273     if (id >= find_joystick_devices()) return E_FAIL;
 274
 275     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 276         WARN("force feedback not supported\n");
 277         return S_FALSE;
 278     }
 279
 280     if ((dwDevType == 0) ||
 281         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 282         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 283         /* check whether we have a joystick */
 284         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 285         {
 286             WARN("open(%s,O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 287             return S_FALSE;
 288         }
 289
 290         /* Return joystick */
 291         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 292         lpddi->guidInstance.Data3 = id;
 293         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 294         /* we only support traditional joysticks for now */
 295         if (version >= 0x0800)
 296             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 297         else
 298             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 299
 300         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 301         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 302         lpddi->guidFFDriver = GUID_NULL;
 303         close(fd);
 304         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 305         return S_OK;
 306     }
 307
 308     return S_FALSE;
 309 }
 310
 311 static HRESULT alloc_device(REFGUID rguid, IDirectInputImpl *dinput,
 312                             JoystickImpl **pdev, unsigned short index)
 313 {
 314     DWORD i;
 315     JoystickImpl* newDevice;
 316     HRESULT hr;
 317     LPDIDATAFORMAT df = NULL;
 318     int idx = 0;
 319
 320     TRACE("%s %p %p %hu\n", debugstr_guid(rguid), dinput, pdev, index);
 321
 322     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 323     if (newDevice == 0) {
 324         WARN("out of memory\n");
 325         *pdev = 0;
 326         return DIERR_OUTOFMEMORY;
 327     }
 328
 329     newDevice->joydev = &joystick_devices[index];
 330     newDevice->joyfd = -1;
 331     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 332     newDevice->generic.guidInstance.Data3 = index;
 333     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 334     newDevice->generic.joy_polldev = joy_polldev;
 335     newDevice->generic.name        = newDevice->joydev->name;
 336     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 337     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 338
 339     if (newDevice->generic.devcaps.dwButtons > 128)
 340     {
 341         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 342         newDevice->generic.devcaps.dwButtons = 128;
 343     }
 344
 345     newDevice->generic.base.IDirectInputDevice8A_iface.lpVtbl = &JoystickAvt;
 346     newDevice->generic.base.IDirectInputDevice8W_iface.lpVtbl = &JoystickWvt;
 347     newDevice->generic.base.ref = 1;
 348     newDevice->generic.base.dinput = dinput;
 349     newDevice->generic.base.guid = *rguid;
 350     InitializeCriticalSection(&newDevice->generic.base.crit);
 351     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 352
 353     /* setup_dinput_options may change these */
 354     newDevice->generic.deadzone = 0;
 355
 356     /* do any user specified configuration */
 357     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 358     if (hr != DI_OK)
 359         goto FAILED1;
 360
 361     /* Create copy of default data format */
 362     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 363     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 364
 365     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 366     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 367
 368     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 369     {
 370         int wine_obj = newDevice->generic.axis_map[i];
 371
 372         if (wine_obj < 0) continue;
 373
 374         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 375         if (wine_obj < 8)
 376             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 377         else
 378         {
 379             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 380             i++; /* POV takes 2 axes */
 381         }
 382     }
 383     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 384     {
 385         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 386         df->rgodf[idx  ].pguid = &GUID_Button;
 387         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 388     }
 389     newDevice->generic.base.data_format.wine_df = df;
 390
 391     /* initialize default properties */
 392     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 393         newDevice->generic.props[i].lDevMin = -32767;
 394         newDevice->generic.props[i].lDevMax = +32767;
 395         newDevice->generic.props[i].lMin = 0;
 396         newDevice->generic.props[i].lMax = 0xffff;
 397         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 398         newDevice->generic.props[i].lSaturation = 0;
 399     }
 400
 401     IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 402
 403     EnterCriticalSection(&dinput->crit);
 404     list_add_tail(&dinput->devices_list, &newDevice->generic.base.entry);
 405     LeaveCriticalSection(&dinput->crit);
 406
 407     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 408     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 409     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 410         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 411     else
 412         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 413     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 414     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 415     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 416     newDevice->generic.devcaps.dwHardwareRevision = 0;
 417     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 418
 419     if (TRACE_ON(dinput)) {
 420         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 421        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 422            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 423         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 424     }
 425
 426     *pdev = newDevice;
 427
 428     return DI_OK;
 429
 430 FAILED:
 431     hr = DIERR_OUTOFMEMORY;
 432 FAILED1:
 433     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 434     HeapFree(GetProcessHeap(), 0, df);
 435     release_DataFormat(&newDevice->generic.base.data_format);
 436     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 437     HeapFree(GetProcessHeap(),0,newDevice);
 438     *pdev = 0;
 439
 440     return hr;
 441 }
 442
 443 /******************************************************************************
 444   *     get_joystick_index : Get the joystick index from a given GUID
 445   */
 446 static unsigned short get_joystick_index(REFGUID guid)
 447 {
 448     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 449     GUID dev_guid = *guid;
 450
 451     wine_joystick.Data3 = 0;
 452     dev_guid.Data3 = 0;
 453
 454     /* for the standard joystick GUID use index 0 */
 455     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 456
 457     /* for the wine joystick GUIDs use the index stored in Data3 */
 458     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 459
 460     return MAX_JOYSTICKS;
 461 }
 462
 463 static HRESULT joydev_create_device(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPVOID *pdev, int unicode)
 464 {
 465     unsigned short index;
 466
 467     TRACE("%p %s %s %p %i\n", dinput, debugstr_guid(rguid), debugstr_guid(riid), pdev, unicode);
 468     find_joystick_devices();
 469     *pdev = NULL;
 470
 471     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 472         joystick_devices_count && index < joystick_devices_count)
 473     {
 474         JoystickImpl *This;
 475         HRESULT hr;
 476
 477         if (riid == NULL)
 478             ;/* nothing */
 479         else if (IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 480                  IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 481                  IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 482                  IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 483         {
 484             unicode = 0;
 485         }
 486         else if (IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 487                  IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 488                  IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 489                  IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 490         {
 491             unicode = 1;
 492         }
 493         else
 494         {
 495             WARN("no interface\n");
 496             return DIERR_NOINTERFACE;
 497         }
 498
 499         hr = alloc_device(rguid, dinput, &This, index);
 500         if (!This) return hr;
 501
 502         if (unicode)
 503             *pdev = &This->generic.base.IDirectInputDevice8W_iface;
 504         else
 505             *pdev = &This->generic.base.IDirectInputDevice8A_iface;
 506
 507         return hr;
 508     }
 509
 510     return DIERR_DEVICENOTREG;
 511 }
 512
 513 #undef MAX_JOYSTICKS
 514
 515 const struct dinput_device joystick_linux_device = {
 516   "Wine Linux joystick driver",
 517   joydev_enum_deviceA,
 518   joydev_enum_deviceW,
 519   joydev_create_device
 520 };
 521
 522 /******************************************************************************
 523   *     Acquire : gets exclusive control of the joystick
 524   */
 525 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 526 {
 527     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 528     HRESULT res;
 529
 530     TRACE("(%p)\n",This);
 531
 532     res = IDirectInputDevice2WImpl_Acquire(iface);
 533     if (res != DI_OK)
 534         return res;
 535
 536     /* open the joystick device */
 537     if (This->joyfd==-1) {
 538         TRACE("opening joystick device %s\n", This->joydev->device);
 539
 540         This->joyfd = open(This->joydev->device, O_RDONLY);
 541         if (This->joyfd==-1) {
 542             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 543             IDirectInputDevice2WImpl_Unacquire(iface);
 544             return DIERR_NOTFOUND;
 545         }
 546     }
 547
 548     return DI_OK;
 549 }
 550
 551 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 552 {
 553     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 554     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 555 }
 556
 557 /******************************************************************************
 558   *     GetProperty : get input device properties
 559   */
 560 static HRESULT WINAPI JoystickLinuxWImpl_GetProperty(LPDIRECTINPUTDEVICE8W iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 561 {
 562     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 563
 564     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 565     _dump_DIPROPHEADER(pdiph);
 566
 567     if (!IS_DIPROP(rguid)) return DI_OK;
 568
 569     switch (LOWORD(rguid)) {
 570
 571         case (DWORD_PTR) DIPROP_JOYSTICKID:
 572         {
 573             LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 574
 575             pd->dwData = get_joystick_index(&This->generic.base.guid);
 576             TRACE("DIPROP_JOYSTICKID(%d)\n", pd->dwData);
 577             break;
 578         }
 579
 580     default:
 581         return JoystickWGenericImpl_GetProperty(iface, rguid, pdiph);
 582     }
 583
 584     return DI_OK;
 585 }
 586
 587 static HRESULT WINAPI JoystickLinuxAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface, REFGUID rguid, LPDIPROPHEADER pdiph)
 588 {
 589     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 590     return JoystickLinuxWImpl_GetProperty(IDirectInputDevice8W_from_impl(This), rguid, pdiph);
 591 }
 592
 593 /******************************************************************************
 594   *     Unacquire : frees the joystick
 595   */
 596 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 597 {
 598     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 599     HRESULT res;
 600
 601     TRACE("(%p)\n",This);
 602
 603     res = IDirectInputDevice2WImpl_Unacquire(iface);
 604
 605     if (res != DI_OK)
 606         return res;
 607
 608     if (This->joyfd!=-1) {
 609         TRACE("closing joystick device\n");
 610         close(This->joyfd);
 611         This->joyfd = -1;
 612         return DI_OK;
 613     }
 614
 615     return DI_NOEFFECT;
 616 }
 617
 618 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 619 {
 620     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 621     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 622 }
 623
 624 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 625 {
 626     struct pollfd plfd;
 627     struct js_event jse;
 628     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 629
 630     TRACE("(%p)\n", This);
 631
 632     if (This->joyfd==-1) {
 633         WARN("no device\n");
 634         return;
 635     }
 636     while (1)
 637     {
 638         LONG value;
 639         int inst_id = -1;
 640
 641         plfd.fd = This->joyfd;
 642         plfd.events = POLLIN;
 643         if (poll(&plfd,1,0) != 1)
 644             return;
 645         /* we have one event, so we can read */
 646         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 647             return;
 648         }
 649         TRACE("js_event: type 0x%x, number %d, value %d\n",
 650               jse.type,jse.number,jse.value);
 651         if (jse.type & JS_EVENT_BUTTON)
 652         {
 653             if (jse.number >= This->generic.devcaps.dwButtons) return;
 654
 655             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 656             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 657         }
 658         else if (jse.type & JS_EVENT_AXIS)
 659         {
 660             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 661
 662             if (number < 0) return;
 663             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 664                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 665             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 666
 667             TRACE("changing axis %d => %d\n", jse.number, number);
 668             switch (number)
 669             {
 670                 case 0: This->generic.js.lX  = value; break;
 671                 case 1: This->generic.js.lY  = value; break;
 672                 case 2: This->generic.js.lZ  = value; break;
 673                 case 3: This->generic.js.lRx = value; break;
 674                 case 4: This->generic.js.lRy = value; break;
 675                 case 5: This->generic.js.lRz = value; break;
 676                 case 6: This->generic.js.rglSlider[0] = value; break;
 677                 case 7: This->generic.js.rglSlider[1] = value; break;
 678                 case 8: case 9: case 10: case 11:
 679                 {
 680                     int idx = number - 8;
 681
 682                     if (jse.number % 2)
 683                         This->povs[idx].y = jse.value;
 684                     else
 685                         This->povs[idx].x = jse.value;
 686
 687                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 688                     break;
 689                 }
 690                 default:
 691                     WARN("axis %d not supported\n", number);
 692             }
 693         }
 694         if (inst_id >= 0)
 695             queue_event(iface, inst_id, value, GetCurrentTime(), This->generic.base.dinput->evsequence++);
 696     }
 697 }
 698
 699 static const IDirectInputDevice8AVtbl JoystickAvt =
 700 {
 701         IDirectInputDevice2AImpl_QueryInterface,
 702         IDirectInputDevice2AImpl_AddRef,
 703         IDirectInputDevice2AImpl_Release,
 704         JoystickAGenericImpl_GetCapabilities,
 705         IDirectInputDevice2AImpl_EnumObjects,
 706         JoystickLinuxAImpl_GetProperty,
 707         JoystickAGenericImpl_SetProperty,
 708         JoystickLinuxAImpl_Acquire,
 709         JoystickLinuxAImpl_Unacquire,
 710         JoystickAGenericImpl_GetDeviceState,
 711         IDirectInputDevice2AImpl_GetDeviceData,
 712         IDirectInputDevice2AImpl_SetDataFormat,
 713         IDirectInputDevice2AImpl_SetEventNotification,
 714         IDirectInputDevice2AImpl_SetCooperativeLevel,
 715         JoystickAGenericImpl_GetObjectInfo,
 716         JoystickAGenericImpl_GetDeviceInfo,
 717         IDirectInputDevice2AImpl_RunControlPanel,
 718         IDirectInputDevice2AImpl_Initialize,
 719         IDirectInputDevice2AImpl_CreateEffect,
 720         IDirectInputDevice2AImpl_EnumEffects,
 721         IDirectInputDevice2AImpl_GetEffectInfo,
 722         IDirectInputDevice2AImpl_GetForceFeedbackState,
 723         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 724         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 725         IDirectInputDevice2AImpl_Escape,
 726         JoystickAGenericImpl_Poll,
 727         IDirectInputDevice2AImpl_SendDeviceData,
 728         IDirectInputDevice7AImpl_EnumEffectsInFile,
 729         IDirectInputDevice7AImpl_WriteEffectToFile,
 730         JoystickAGenericImpl_BuildActionMap,
 731         JoystickAGenericImpl_SetActionMap,
 732         IDirectInputDevice8AImpl_GetImageInfo
 733 };
 734
 735 static const IDirectInputDevice8WVtbl JoystickWvt =
 736 {
 737     IDirectInputDevice2WImpl_QueryInterface,
 738     IDirectInputDevice2WImpl_AddRef,
 739     IDirectInputDevice2WImpl_Release,
 740     JoystickWGenericImpl_GetCapabilities,
 741     IDirectInputDevice2WImpl_EnumObjects,
 742     JoystickLinuxWImpl_GetProperty,
 743     JoystickWGenericImpl_SetProperty,
 744     JoystickLinuxWImpl_Acquire,
 745     JoystickLinuxWImpl_Unacquire,
 746     JoystickWGenericImpl_GetDeviceState,
 747     IDirectInputDevice2WImpl_GetDeviceData,
 748     IDirectInputDevice2WImpl_SetDataFormat,
 749     IDirectInputDevice2WImpl_SetEventNotification,
 750     IDirectInputDevice2WImpl_SetCooperativeLevel,
 751     JoystickWGenericImpl_GetObjectInfo,
 752     JoystickWGenericImpl_GetDeviceInfo,
 753     IDirectInputDevice2WImpl_RunControlPanel,
 754     IDirectInputDevice2WImpl_Initialize,
 755     IDirectInputDevice2WImpl_CreateEffect,
 756     IDirectInputDevice2WImpl_EnumEffects,
 757     IDirectInputDevice2WImpl_GetEffectInfo,
 758     IDirectInputDevice2WImpl_GetForceFeedbackState,
 759     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 760     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 761     IDirectInputDevice2WImpl_Escape,
 762     JoystickWGenericImpl_Poll,
 763     IDirectInputDevice2WImpl_SendDeviceData,
 764     IDirectInputDevice7WImpl_EnumEffectsInFile,
 765     IDirectInputDevice7WImpl_WriteEffectToFile,
 766     JoystickWGenericImpl_BuildActionMap,
 767     JoystickWGenericImpl_SetActionMap,
 768     IDirectInputDevice8WImpl_GetImageInfo
 769 };
 770
 771 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 772
 773 const struct dinput_device joystick_linux_device = {
 774   "Wine Linux joystick driver",
 775   NULL,
 776   NULL,
 777   NULL
 778 };
 779
 780 #endif  /* HAVE_LINUX_22_JOYSTICK_API */