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