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_SYS_ERRNO_H
  47 # include <sys/errno.h>
  48 #endif
  49 #ifdef HAVE_LINUX_IOCTL_H
  50 # include <linux/ioctl.h>
  51 #endif
  52 #ifdef HAVE_LINUX_JOYSTICK_H
  53 # include <linux/joystick.h>
  54 # undef SW_MAX
  55 #endif
  56 #ifdef HAVE_SYS_POLL_H
  57 # include <sys/poll.h>
  58 #endif
  59
  60 #include "wine/debug.h"
  61 #include "wine/unicode.h"
  62 #include "windef.h"
  63 #include "winbase.h"
  64 #include "winerror.h"
  65 #include "dinput.h"
  66
  67 #include "dinput_private.h"
  68 #include "device_private.h"
  69 #include "joystick_private.h"
  70
  71 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  72
  73 #ifdef HAVE_LINUX_22_JOYSTICK_API
  74
  75 #define JOYDEV_NEW "/dev/input/js"
  76 #define JOYDEV_OLD "/dev/js"
  77
  78 struct JoyDev
  79 {
  80     char device[MAX_PATH];
  81     char name[MAX_PATH];
  82
  83     BYTE axis_count;
  84     BYTE button_count;
  85     int  *dev_axes_map;
  86 };
  87
  88 typedef struct JoystickImpl JoystickImpl;
  89 static const IDirectInputDevice8AVtbl JoystickAvt;
  90 static const IDirectInputDevice8WVtbl JoystickWvt;
  91 struct JoystickImpl
  92 {
  93         struct JoystickGenericImpl generic;
  94
  95         struct JoyDev                  *joydev;
  96
  97         /* joystick private */
  98         int                             joyfd;
  99         POINTL                          povs[4];
 100 };
 101
 102 static const GUID DInput_Wine_Joystick_GUID = { /* 9e573ed9-7734-11d2-8d4a-23903fb6bdf7 */
 103   0x9e573ed9,
 104   0x7734,
 105   0x11d2,
 106   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 107 };
 108
 109 #define MAX_JOYSTICKS 64
 110 static INT joystick_devices_count = -1;
 111 static struct JoyDev *joystick_devices;
 112
 113 static void joy_polldev(JoystickGenericImpl *This);
 114
 115 static INT find_joystick_devices(void)
 116 {
 117     INT i;
 118
 119     if (joystick_devices_count != -1) return joystick_devices_count;
 120
 121     joystick_devices_count = 0;
 122     for (i = 0; i < MAX_JOYSTICKS; i++)
 123     {
 124         int fd;
 125         struct JoyDev joydev, *new_joydevs;
 126         BYTE axes_map[ABS_MAX + 1];
 127
 128         snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_NEW, i);
 129         if ((fd = open(joydev.device, O_RDONLY)) < 0)
 130         {
 131             snprintf(joydev.device, sizeof(joydev.device), "%s%d", JOYDEV_OLD, i);
 132             if ((fd = open(joydev.device, O_RDONLY)) < 0) continue;
 133         }
 134
 135         strcpy(joydev.name, "Wine Joystick");
 136 #if defined(JSIOCGNAME)
 137         if (ioctl(fd, JSIOCGNAME(sizeof(joydev.name)), joydev.name) < 0)
 138             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 139 #endif
 140 #ifdef JSIOCGAXES
 141         if (ioctl(fd, JSIOCGAXES, &joydev.axis_count) < 0)
 142         {
 143             WARN("ioctl(%s,JSIOCGAXES) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 144             joydev.axis_count = 2;
 145         }
 146 #endif
 147 #ifdef JSIOCGBUTTONS
 148         if (ioctl(fd, JSIOCGBUTTONS, &joydev.button_count) < 0)
 149         {
 150             WARN("ioctl(%s,JSIOCGBUTTONS) failed: %s, defauting to 2\n", joydev.device, strerror(errno));
 151             joydev.button_count = 2;
 152         }
 153 #endif
 154
 155         if (ioctl(fd, JSIOCGAXMAP, axes_map) < 0)
 156         {
 157             WARN("ioctl(%s,JSIOCGNAME) failed: %s\n", joydev.device, strerror(errno));
 158             joydev.dev_axes_map = NULL;
 159         }
 160         else
 161             if ((joydev.dev_axes_map = HeapAlloc(GetProcessHeap(), 0, joydev.axis_count * sizeof(int))))
 162             {
 163                 INT j;
 164
 165                 /* Remap to DI numbers */
 166                 for (j = 0; j < joydev.axis_count; j++)
 167                     if (axes_map[j] < 8)
 168                         /* Axis match 1-to-1 */
 169                         joydev.dev_axes_map[j] = j;
 170                     else if (axes_map[j] == 16 ||
 171                              axes_map[j] == 17)
 172                         /* POV axis */
 173                         joydev.dev_axes_map[j] = 8;
 174                     else
 175                         joydev.dev_axes_map[j] = -1;
 176             }
 177
 178         close(fd);
 179
 180         if (!joystick_devices_count)
 181             new_joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 182         else
 183             new_joydevs = HeapReAlloc(GetProcessHeap(), 0, joystick_devices,
 184                                       (joystick_devices_count + 1) * sizeof(struct JoyDev));
 185         if (!new_joydevs) continue;
 186
 187         TRACE("Found a joystick on %s: %s\n  with %d axes and %d buttons\n", joydev.device,
 188               joydev.name, joydev.axis_count, joydev.button_count);
 189
 190         joystick_devices = new_joydevs;
 191         joystick_devices[joystick_devices_count++] = joydev;
 192     }
 193
 194     return joystick_devices_count;
 195 }
 196
 197 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 198 {
 199     int fd = -1;
 200
 201     if (id >= find_joystick_devices()) return FALSE;
 202
 203     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 204         WARN("force feedback not supported\n");
 205         return FALSE;
 206     }
 207
 208     if ((dwDevType == 0) ||
 209         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 210         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 211         /* check whether we have a joystick */
 212         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 213         {
 214             WARN("open(%s, O_RDONLY) failed: %s\n", joystick_devices[id].name, strerror(errno));
 215             return FALSE;
 216         }
 217
 218         /* Return joystick */
 219         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 220         lpddi->guidInstance.Data3 = id;
 221         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 222         /* we only support traditional joysticks for now */
 223         if (version >= 0x0800)
 224             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 225         else
 226             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 227
 228         strcpy(lpddi->tszInstanceName, joystick_devices[id].name);
 229         strcpy(lpddi->tszProductName,  joystick_devices[id].name);
 230
 231         lpddi->guidFFDriver = GUID_NULL;
 232         close(fd);
 233         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, lpddi->tszProductName);
 234         return TRUE;
 235     }
 236
 237     return FALSE;
 238 }
 239
 240 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 241 {
 242     int fd = -1;
 243
 244     if (id >= find_joystick_devices()) return FALSE;
 245
 246     if (dwFlags & DIEDFL_FORCEFEEDBACK) {
 247         WARN("force feedback not supported\n");
 248         return FALSE;
 249     }
 250
 251     if ((dwDevType == 0) ||
 252         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 253         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))) {
 254         /* check whether we have a joystick */
 255         if ((fd = open(joystick_devices[id].device, O_RDONLY)) < 0)
 256         {
 257             WARN("open(%s,O_RDONLY) failed: %s\n", joystick_devices[id].device, strerror(errno));
 258             return FALSE;
 259         }
 260
 261         /* Return joystick */
 262         lpddi->guidInstance = DInput_Wine_Joystick_GUID;
 263         lpddi->guidInstance.Data3 = id;
 264         lpddi->guidProduct = DInput_Wine_Joystick_GUID;
 265         /* we only support traditional joysticks for now */
 266         if (version >= 0x0800)
 267             lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 268         else
 269             lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 270
 271         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 272         MultiByteToWideChar(CP_ACP, 0, joystick_devices[id].name, -1, lpddi->tszProductName, MAX_PATH);
 273         lpddi->guidFFDriver = GUID_NULL;
 274         close(fd);
 275         TRACE("Enumerating the linux Joystick device: %s (%s)\n", joystick_devices[id].device, joystick_devices[id].name);
 276         return TRUE;
 277     }
 278
 279     return FALSE;
 280 }
 281
 282 static HRESULT alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput,
 283     LPDIRECTINPUTDEVICEA* pdev, unsigned short index)
 284 {
 285     DWORD i;
 286     JoystickImpl* newDevice;
 287     HRESULT hr;
 288     LPDIDATAFORMAT df = NULL;
 289     int idx = 0;
 290
 291     TRACE("%s %p %p %p %hu\n", debugstr_guid(rguid), jvt, dinput, pdev, index);
 292
 293     newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 294     if (newDevice == 0) {
 295         WARN("out of memory\n");
 296         *pdev = 0;
 297         return DIERR_OUTOFMEMORY;
 298     }
 299
 300     newDevice->joydev = &joystick_devices[index];
 301     newDevice->joyfd = -1;
 302     newDevice->generic.guidInstance = DInput_Wine_Joystick_GUID;
 303     newDevice->generic.guidInstance.Data3 = index;
 304     newDevice->generic.guidProduct = DInput_Wine_Joystick_GUID;
 305     newDevice->generic.joy_polldev = joy_polldev;
 306     newDevice->generic.name        = newDevice->joydev->name;
 307     newDevice->generic.device_axis_count = newDevice->joydev->axis_count;
 308     newDevice->generic.devcaps.dwButtons = newDevice->joydev->button_count;
 309
 310     if (newDevice->generic.devcaps.dwButtons > 128)
 311     {
 312         WARN("Can't support %d buttons. Clamping down to 128\n", newDevice->generic.devcaps.dwButtons);
 313         newDevice->generic.devcaps.dwButtons = 128;
 314     }
 315
 316     newDevice->generic.base.lpVtbl = jvt;
 317     newDevice->generic.base.ref = 1;
 318     newDevice->generic.base.dinput = dinput;
 319     newDevice->generic.base.guid = *rguid;
 320     InitializeCriticalSection(&newDevice->generic.base.crit);
 321     newDevice->generic.base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->generic.base.crit");
 322
 323     /* setup_dinput_options may change these */
 324     newDevice->generic.deadzone = 0;
 325
 326     /* do any user specified configuration */
 327     hr = setup_dinput_options(&newDevice->generic, newDevice->joydev->dev_axes_map);
 328     if (hr != DI_OK)
 329         goto FAILED1;
 330
 331     /* Create copy of default data format */
 332     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto FAILED;
 333     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 334
 335     df->dwNumObjs = newDevice->generic.devcaps.dwAxes + newDevice->generic.devcaps.dwPOVs + newDevice->generic.devcaps.dwButtons;
 336     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto FAILED;
 337
 338     for (i = 0; i < newDevice->generic.device_axis_count; i++)
 339     {
 340         int wine_obj = newDevice->generic.axis_map[i];
 341
 342         if (wine_obj < 0) continue;
 343
 344         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[wine_obj], df->dwObjSize);
 345         if (wine_obj < 8)
 346             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj) | DIDFT_ABSAXIS;
 347         else
 348         {
 349             df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(wine_obj - 8) | DIDFT_POV;
 350             i++; /* POV takes 2 axes */
 351         }
 352     }
 353     for (i = 0; i < newDevice->generic.devcaps.dwButtons; i++)
 354     {
 355         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + 12], df->dwObjSize);
 356         df->rgodf[idx  ].pguid = &GUID_Button;
 357         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 358     }
 359     newDevice->generic.base.data_format.wine_df = df;
 360
 361     /* initialize default properties */
 362     for (i = 0; i < c_dfDIJoystick2.dwNumObjs; i++) {
 363         newDevice->generic.props[i].lDevMin = -32767;
 364         newDevice->generic.props[i].lDevMax = +32767;
 365         newDevice->generic.props[i].lMin = 0;
 366         newDevice->generic.props[i].lMax = 0xffff;
 367         newDevice->generic.props[i].lDeadZone = newDevice->generic.deadzone; /* % * 1000 */
 368         newDevice->generic.props[i].lSaturation = 0;
 369     }
 370
 371     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->generic.base.dinput);
 372
 373     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 374     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 375     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 376         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 377     else
 378         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 379     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 380     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 381     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 382     newDevice->generic.devcaps.dwHardwareRevision = 0;
 383     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 384
 385     if (TRACE_ON(dinput)) {
 386         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 387        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 388            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 389         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 390     }
 391
 392     *pdev = (LPDIRECTINPUTDEVICEA)newDevice;
 393
 394     return DI_OK;
 395
 396 FAILED:
 397     hr = DIERR_OUTOFMEMORY;
 398 FAILED1:
 399     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 400     HeapFree(GetProcessHeap(), 0, df);
 401     release_DataFormat(&newDevice->generic.base.data_format);
 402     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 403     HeapFree(GetProcessHeap(),0,newDevice);
 404     *pdev = 0;
 405
 406     return hr;
 407 }
 408
 409 /******************************************************************************
 410   *     get_joystick_index : Get the joystick index from a given GUID
 411   */
 412 static unsigned short get_joystick_index(REFGUID guid)
 413 {
 414     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 415     GUID dev_guid = *guid;
 416
 417     wine_joystick.Data3 = 0;
 418     dev_guid.Data3 = 0;
 419
 420     /* for the standard joystick GUID use index 0 */
 421     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 422
 423     /* for the wine joystick GUIDs use the index stored in Data3 */
 424     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 425
 426     return MAX_JOYSTICKS;
 427 }
 428
 429 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 430 {
 431     unsigned short index;
 432
 433     TRACE("%p %s %p %p\n",dinput, debugstr_guid(rguid), riid, pdev);
 434     find_joystick_devices();
 435     *pdev = NULL;
 436
 437     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 438         joystick_devices_count && index < joystick_devices_count)
 439     {
 440         if ((riid == NULL) ||
 441             IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 442             IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 443             IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 444             IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 445         {
 446             return alloc_device(rguid, &JoystickAvt, dinput, pdev, index);
 447         }
 448
 449         WARN("no interface\n");
 450         return DIERR_NOINTERFACE;
 451     }
 452
 453     return DIERR_DEVICENOTREG;
 454 }
 455
 456 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 457 {
 458     unsigned short index;
 459
 460     TRACE("%p %s %p %p\n",dinput, debugstr_guid(rguid), riid, pdev);
 461     find_joystick_devices();
 462     *pdev = NULL;
 463
 464     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 465         joystick_devices_count && index < joystick_devices_count)
 466     {
 467         if ((riid == NULL) ||
 468             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 469             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 470             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 471             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 472         {
 473             return alloc_device(rguid, &JoystickWvt, dinput, (LPDIRECTINPUTDEVICEA *)pdev, index);
 474         }
 475         WARN("no interface\n");
 476         return DIERR_NOINTERFACE;
 477     }
 478
 479     WARN("invalid device GUID %s\n",debugstr_guid(rguid));
 480     return DIERR_DEVICENOTREG;
 481 }
 482
 483 #undef MAX_JOYSTICKS
 484
 485 const struct dinput_device joystick_linux_device = {
 486   "Wine Linux joystick driver",
 487   joydev_enum_deviceA,
 488   joydev_enum_deviceW,
 489   joydev_create_deviceA,
 490   joydev_create_deviceW
 491 };
 492
 493 /******************************************************************************
 494   *     Acquire : gets exclusive control of the joystick
 495   */
 496 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 497 {
 498     JoystickImpl *This = (JoystickImpl *)iface;
 499     HRESULT res;
 500
 501     TRACE("(%p)\n",This);
 502
 503     res = IDirectInputDevice2AImpl_Acquire(iface);
 504     if (res != DI_OK)
 505         return res;
 506
 507     /* open the joystick device */
 508     if (This->joyfd==-1) {
 509         TRACE("opening joystick device %s\n", This->joydev->device);
 510
 511         This->joyfd = open(This->joydev->device, O_RDONLY);
 512         if (This->joyfd==-1) {
 513             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 514             IDirectInputDevice2AImpl_Unacquire(iface);
 515             return DIERR_NOTFOUND;
 516         }
 517     }
 518
 519     return DI_OK;
 520 }
 521
 522 /******************************************************************************
 523   *     Unacquire : frees the joystick
 524   */
 525 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 526 {
 527     JoystickImpl *This = (JoystickImpl *)iface;
 528     HRESULT res;
 529
 530     TRACE("(%p)\n",This);
 531
 532     res = IDirectInputDevice2AImpl_Unacquire(iface);
 533
 534     if (res != DI_OK)
 535         return res;
 536
 537     if (This->joyfd!=-1) {
 538         TRACE("closing joystick device\n");
 539         close(This->joyfd);
 540         This->joyfd = -1;
 541         return DI_OK;
 542     }
 543
 544     return DI_NOEFFECT;
 545 }
 546
 547 static void joy_polldev(JoystickGenericImpl *This_in) {
 548     struct pollfd plfd;
 549     struct      js_event jse;
 550     JoystickImpl *This = (JoystickImpl*) This_in;
 551
 552     TRACE("(%p)\n", This);
 553
 554     if (This->joyfd==-1) {
 555         WARN("no device\n");
 556         return;
 557     }
 558     while (1)
 559     {
 560         LONG value;
 561         int inst_id = -1;
 562
 563         plfd.fd = This->joyfd;
 564         plfd.events = POLLIN;
 565         if (poll(&plfd,1,0) != 1)
 566             return;
 567         /* we have one event, so we can read */
 568         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 569             return;
 570         }
 571         TRACE("js_event: type 0x%x, number %d, value %d\n",
 572               jse.type,jse.number,jse.value);
 573         if (jse.type & JS_EVENT_BUTTON)
 574         {
 575             if (jse.number >= This->generic.devcaps.dwButtons) return;
 576
 577             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 578             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 579         }
 580         else if (jse.type & JS_EVENT_AXIS)
 581         {
 582             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 583
 584             if (number < 0) return;
 585             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 586                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 587             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 588
 589             TRACE("changing axis %d => %d\n", jse.number, number);
 590             switch (number)
 591             {
 592                 case 0: This->generic.js.lX  = value; break;
 593                 case 1: This->generic.js.lY  = value; break;
 594                 case 2: This->generic.js.lZ  = value; break;
 595                 case 3: This->generic.js.lRx = value; break;
 596                 case 4: This->generic.js.lRy = value; break;
 597                 case 5: This->generic.js.lRz = value; break;
 598                 case 6: This->generic.js.rglSlider[0] = value; break;
 599                 case 7: This->generic.js.rglSlider[1] = value; break;
 600                 case 8: case 9: case 10: case 11:
 601                 {
 602                     int idx = number - 8;
 603
 604                     if (jse.number % 2)
 605                         This->povs[idx].y = jse.value;
 606                     else
 607                         This->povs[idx].x = jse.value;
 608
 609                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 610                     break;
 611                 }
 612                 default:
 613                     WARN("axis %d not supported\n", number);
 614             }
 615         }
 616         if (inst_id >= 0)
 617             queue_event((LPDIRECTINPUTDEVICE8A)This, inst_id,
 618                         value, jse.time, This->generic.base.dinput->evsequence++);
 619     }
 620 }
 621
 622 static const IDirectInputDevice8AVtbl JoystickAvt =
 623 {
 624         IDirectInputDevice2AImpl_QueryInterface,
 625         IDirectInputDevice2AImpl_AddRef,
 626         IDirectInputDevice2AImpl_Release,
 627         JoystickAGenericImpl_GetCapabilities,
 628         IDirectInputDevice2AImpl_EnumObjects,
 629         JoystickAGenericImpl_GetProperty,
 630         JoystickAGenericImpl_SetProperty,
 631         JoystickLinuxAImpl_Acquire,
 632         JoystickLinuxAImpl_Unacquire,
 633         JoystickAGenericImpl_GetDeviceState,
 634         IDirectInputDevice2AImpl_GetDeviceData,
 635         IDirectInputDevice2AImpl_SetDataFormat,
 636         IDirectInputDevice2AImpl_SetEventNotification,
 637         IDirectInputDevice2AImpl_SetCooperativeLevel,
 638         JoystickAGenericImpl_GetObjectInfo,
 639         JoystickAGenericImpl_GetDeviceInfo,
 640         IDirectInputDevice2AImpl_RunControlPanel,
 641         IDirectInputDevice2AImpl_Initialize,
 642         IDirectInputDevice2AImpl_CreateEffect,
 643         IDirectInputDevice2AImpl_EnumEffects,
 644         IDirectInputDevice2AImpl_GetEffectInfo,
 645         IDirectInputDevice2AImpl_GetForceFeedbackState,
 646         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 647         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 648         IDirectInputDevice2AImpl_Escape,
 649         JoystickAGenericImpl_Poll,
 650         IDirectInputDevice2AImpl_SendDeviceData,
 651         IDirectInputDevice7AImpl_EnumEffectsInFile,
 652         IDirectInputDevice7AImpl_WriteEffectToFile,
 653         IDirectInputDevice8AImpl_BuildActionMap,
 654         IDirectInputDevice8AImpl_SetActionMap,
 655         IDirectInputDevice8AImpl_GetImageInfo
 656 };
 657
 658 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
 659 # define XCAST(fun)     (typeof(JoystickWvt.fun))
 660 #else
 661 # define XCAST(fun)     (void*)
 662 #endif
 663
 664 static const IDirectInputDevice8WVtbl JoystickWvt =
 665 {
 666         IDirectInputDevice2WImpl_QueryInterface,
 667         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
 668         XCAST(Release)IDirectInputDevice2AImpl_Release,
 669         XCAST(GetCapabilities)JoystickAGenericImpl_GetCapabilities,
 670         IDirectInputDevice2WImpl_EnumObjects,
 671         XCAST(GetProperty)JoystickAGenericImpl_GetProperty,
 672         XCAST(SetProperty)JoystickAGenericImpl_SetProperty,
 673         XCAST(Acquire)JoystickLinuxAImpl_Acquire,
 674         XCAST(Unacquire)JoystickLinuxAImpl_Unacquire,
 675         XCAST(GetDeviceState)JoystickAGenericImpl_GetDeviceState,
 676         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
 677         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
 678         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
 679         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
 680         JoystickWGenericImpl_GetObjectInfo,
 681         JoystickWGenericImpl_GetDeviceInfo,
 682         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
 683         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
 684         XCAST(CreateEffect)IDirectInputDevice2AImpl_CreateEffect,
 685         IDirectInputDevice2WImpl_EnumEffects,
 686         IDirectInputDevice2WImpl_GetEffectInfo,
 687         XCAST(GetForceFeedbackState)IDirectInputDevice2AImpl_GetForceFeedbackState,
 688         XCAST(SendForceFeedbackCommand)IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 689         XCAST(EnumCreatedEffectObjects)IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 690         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
 691         XCAST(Poll)JoystickAGenericImpl_Poll,
 692         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
 693         IDirectInputDevice7WImpl_EnumEffectsInFile,
 694         IDirectInputDevice7WImpl_WriteEffectToFile,
 695         IDirectInputDevice8WImpl_BuildActionMap,
 696         IDirectInputDevice8WImpl_SetActionMap,
 697         IDirectInputDevice8WImpl_GetImageInfo
 698 };
 699 #undef XCAST
 700
 701 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 702
 703 const struct dinput_device joystick_linux_device = {
 704   "Wine Linux joystick driver",
 705   NULL,
 706   NULL,
 707   NULL,
 708   NULL
 709 };
 710
 711 #endif  /* HAVE_LINUX_22_JOYSTICK_API */