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     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
 394     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;
 395     if (newDevice->generic.base.dinput->dwVersion >= 0x0800)
 396         newDevice->generic.devcaps.dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 397     else
 398         newDevice->generic.devcaps.dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 399     newDevice->generic.devcaps.dwFFSamplePeriod = 0;
 400     newDevice->generic.devcaps.dwFFMinTimeResolution = 0;
 401     newDevice->generic.devcaps.dwFirmwareRevision = 0;
 402     newDevice->generic.devcaps.dwHardwareRevision = 0;
 403     newDevice->generic.devcaps.dwFFDriverVersion = 0;
 404
 405     if (TRACE_ON(dinput)) {
 406         _dump_DIDATAFORMAT(newDevice->generic.base.data_format.wine_df);
 407        for (i = 0; i < (newDevice->generic.device_axis_count); i++)
 408            TRACE("axis_map[%d] = %d\n", i, newDevice->generic.axis_map[i]);
 409         _dump_DIDEVCAPS(&newDevice->generic.devcaps);
 410     }
 411
 412     *pdev = newDevice;
 413
 414     return DI_OK;
 415
 416 FAILED:
 417     hr = DIERR_OUTOFMEMORY;
 418 FAILED1:
 419     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 420     HeapFree(GetProcessHeap(), 0, df);
 421     release_DataFormat(&newDevice->generic.base.data_format);
 422     HeapFree(GetProcessHeap(),0,newDevice->generic.axis_map);
 423     HeapFree(GetProcessHeap(),0,newDevice);
 424     *pdev = 0;
 425
 426     return hr;
 427 }
 428
 429 /******************************************************************************
 430   *     get_joystick_index : Get the joystick index from a given GUID
 431   */
 432 static unsigned short get_joystick_index(REFGUID guid)
 433 {
 434     GUID wine_joystick = DInput_Wine_Joystick_GUID;
 435     GUID dev_guid = *guid;
 436
 437     wine_joystick.Data3 = 0;
 438     dev_guid.Data3 = 0;
 439
 440     /* for the standard joystick GUID use index 0 */
 441     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 442
 443     /* for the wine joystick GUIDs use the index stored in Data3 */
 444     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3;
 445
 446     return MAX_JOYSTICKS;
 447 }
 448
 449 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 450 {
 451     unsigned short index;
 452
 453     TRACE("%p %s %p %p\n",dinput, debugstr_guid(rguid), riid, pdev);
 454     find_joystick_devices();
 455     *pdev = NULL;
 456
 457     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 458         joystick_devices_count && index < joystick_devices_count)
 459     {
 460         if ((riid == NULL) ||
 461             IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 462             IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 463             IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 464             IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 465         {
 466             JoystickImpl *This;
 467             HRESULT hr = alloc_device(rguid, dinput, &This, index);
 468
 469             *pdev = (LPDIRECTINPUTDEVICEA)(This ? &This->generic.base.IDirectInputDevice8A_iface : NULL);
 470             return hr;
 471         }
 472
 473         WARN("no interface\n");
 474         return DIERR_NOINTERFACE;
 475     }
 476
 477     return DIERR_DEVICENOTREG;
 478 }
 479
 480 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 481 {
 482     unsigned short index;
 483
 484     TRACE("%p %s %p %p\n",dinput, debugstr_guid(rguid), riid, pdev);
 485     find_joystick_devices();
 486     *pdev = NULL;
 487
 488     if ((index = get_joystick_index(rguid)) < MAX_JOYSTICKS &&
 489         joystick_devices_count && index < joystick_devices_count)
 490     {
 491         if ((riid == NULL) ||
 492             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 493             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 494             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 495             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 496         {
 497             JoystickImpl *This;
 498             HRESULT hr = alloc_device(rguid, dinput, &This, index);
 499
 500             *pdev = (LPDIRECTINPUTDEVICEW)(This ? &This->generic.base.IDirectInputDevice8W_iface : NULL);
 501             return hr;
 502         }
 503         WARN("no interface\n");
 504         return DIERR_NOINTERFACE;
 505     }
 506
 507     WARN("invalid device GUID %s\n",debugstr_guid(rguid));
 508     return DIERR_DEVICENOTREG;
 509 }
 510
 511 #undef MAX_JOYSTICKS
 512
 513 const struct dinput_device joystick_linux_device = {
 514   "Wine Linux joystick driver",
 515   joydev_enum_deviceA,
 516   joydev_enum_deviceW,
 517   joydev_create_deviceA,
 518   joydev_create_deviceW
 519 };
 520
 521 /******************************************************************************
 522   *     Acquire : gets exclusive control of the joystick
 523   */
 524 static HRESULT WINAPI JoystickLinuxWImpl_Acquire(LPDIRECTINPUTDEVICE8W iface)
 525 {
 526     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 527     HRESULT res;
 528
 529     TRACE("(%p)\n",This);
 530
 531     res = IDirectInputDevice2WImpl_Acquire(iface);
 532     if (res != DI_OK)
 533         return res;
 534
 535     /* open the joystick device */
 536     if (This->joyfd==-1) {
 537         TRACE("opening joystick device %s\n", This->joydev->device);
 538
 539         This->joyfd = open(This->joydev->device, O_RDONLY);
 540         if (This->joyfd==-1) {
 541             ERR("open(%s) failed: %s\n", This->joydev->device, strerror(errno));
 542             IDirectInputDevice2WImpl_Unacquire(iface);
 543             return DIERR_NOTFOUND;
 544         }
 545     }
 546
 547     return DI_OK;
 548 }
 549
 550 static HRESULT WINAPI JoystickLinuxAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 551 {
 552     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 553     return JoystickLinuxWImpl_Acquire(IDirectInputDevice8W_from_impl(This));
 554 }
 555
 556 /******************************************************************************
 557   *     Unacquire : frees the joystick
 558   */
 559 static HRESULT WINAPI JoystickLinuxWImpl_Unacquire(LPDIRECTINPUTDEVICE8W iface)
 560 {
 561     JoystickImpl *This = impl_from_IDirectInputDevice8W(iface);
 562     HRESULT res;
 563
 564     TRACE("(%p)\n",This);
 565
 566     res = IDirectInputDevice2WImpl_Unacquire(iface);
 567
 568     if (res != DI_OK)
 569         return res;
 570
 571     if (This->joyfd!=-1) {
 572         TRACE("closing joystick device\n");
 573         close(This->joyfd);
 574         This->joyfd = -1;
 575         return DI_OK;
 576     }
 577
 578     return DI_NOEFFECT;
 579 }
 580
 581 static HRESULT WINAPI JoystickLinuxAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 582 {
 583     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 584     return JoystickLinuxWImpl_Unacquire(IDirectInputDevice8W_from_impl(This));
 585 }
 586
 587 static void joy_polldev(LPDIRECTINPUTDEVICE8A iface)
 588 {
 589     struct pollfd plfd;
 590     struct js_event jse;
 591     JoystickImpl *This = impl_from_IDirectInputDevice8A(iface);
 592
 593     TRACE("(%p)\n", This);
 594
 595     if (This->joyfd==-1) {
 596         WARN("no device\n");
 597         return;
 598     }
 599     while (1)
 600     {
 601         LONG value;
 602         int inst_id = -1;
 603
 604         plfd.fd = This->joyfd;
 605         plfd.events = POLLIN;
 606         if (poll(&plfd,1,0) != 1)
 607             return;
 608         /* we have one event, so we can read */
 609         if (sizeof(jse)!=read(This->joyfd,&jse,sizeof(jse))) {
 610             return;
 611         }
 612         TRACE("js_event: type 0x%x, number %d, value %d\n",
 613               jse.type,jse.number,jse.value);
 614         if (jse.type & JS_EVENT_BUTTON)
 615         {
 616             if (jse.number >= This->generic.devcaps.dwButtons) return;
 617
 618             inst_id = DIDFT_MAKEINSTANCE(jse.number) | DIDFT_PSHBUTTON;
 619             This->generic.js.rgbButtons[jse.number] = value = jse.value ? 0x80 : 0x00;
 620         }
 621         else if (jse.type & JS_EVENT_AXIS)
 622         {
 623             int number = This->generic.axis_map[jse.number];    /* wine format object index */
 624
 625             if (number < 0) return;
 626             inst_id = number < 8 ?  DIDFT_MAKEINSTANCE(number) | DIDFT_ABSAXIS :
 627                                     DIDFT_MAKEINSTANCE(number - 8) | DIDFT_POV;
 628             value = joystick_map_axis(&This->generic.props[id_to_object(This->generic.base.data_format.wine_df, inst_id)], jse.value);
 629
 630             TRACE("changing axis %d => %d\n", jse.number, number);
 631             switch (number)
 632             {
 633                 case 0: This->generic.js.lX  = value; break;
 634                 case 1: This->generic.js.lY  = value; break;
 635                 case 2: This->generic.js.lZ  = value; break;
 636                 case 3: This->generic.js.lRx = value; break;
 637                 case 4: This->generic.js.lRy = value; break;
 638                 case 5: This->generic.js.lRz = value; break;
 639                 case 6: This->generic.js.rglSlider[0] = value; break;
 640                 case 7: This->generic.js.rglSlider[1] = value; break;
 641                 case 8: case 9: case 10: case 11:
 642                 {
 643                     int idx = number - 8;
 644
 645                     if (jse.number % 2)
 646                         This->povs[idx].y = jse.value;
 647                     else
 648                         This->povs[idx].x = jse.value;
 649
 650                     This->generic.js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 651                     break;
 652                 }
 653                 default:
 654                     WARN("axis %d not supported\n", number);
 655             }
 656         }
 657         if (inst_id >= 0)
 658             queue_event(iface, inst_id,
 659                         value, jse.time, This->generic.base.dinput->evsequence++);
 660     }
 661 }
 662
 663 static const IDirectInputDevice8AVtbl JoystickAvt =
 664 {
 665         IDirectInputDevice2AImpl_QueryInterface,
 666         IDirectInputDevice2AImpl_AddRef,
 667         IDirectInputDevice2AImpl_Release,
 668         JoystickAGenericImpl_GetCapabilities,
 669         IDirectInputDevice2AImpl_EnumObjects,
 670         JoystickAGenericImpl_GetProperty,
 671         JoystickAGenericImpl_SetProperty,
 672         JoystickLinuxAImpl_Acquire,
 673         JoystickLinuxAImpl_Unacquire,
 674         JoystickAGenericImpl_GetDeviceState,
 675         IDirectInputDevice2AImpl_GetDeviceData,
 676         IDirectInputDevice2AImpl_SetDataFormat,
 677         IDirectInputDevice2AImpl_SetEventNotification,
 678         IDirectInputDevice2AImpl_SetCooperativeLevel,
 679         JoystickAGenericImpl_GetObjectInfo,
 680         JoystickAGenericImpl_GetDeviceInfo,
 681         IDirectInputDevice2AImpl_RunControlPanel,
 682         IDirectInputDevice2AImpl_Initialize,
 683         IDirectInputDevice2AImpl_CreateEffect,
 684         IDirectInputDevice2AImpl_EnumEffects,
 685         IDirectInputDevice2AImpl_GetEffectInfo,
 686         IDirectInputDevice2AImpl_GetForceFeedbackState,
 687         IDirectInputDevice2AImpl_SendForceFeedbackCommand,
 688         IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
 689         IDirectInputDevice2AImpl_Escape,
 690         JoystickAGenericImpl_Poll,
 691         IDirectInputDevice2AImpl_SendDeviceData,
 692         IDirectInputDevice7AImpl_EnumEffectsInFile,
 693         IDirectInputDevice7AImpl_WriteEffectToFile,
 694         IDirectInputDevice8AImpl_BuildActionMap,
 695         IDirectInputDevice8AImpl_SetActionMap,
 696         IDirectInputDevice8AImpl_GetImageInfo
 697 };
 698
 699 static const IDirectInputDevice8WVtbl JoystickWvt =
 700 {
 701     IDirectInputDevice2WImpl_QueryInterface,
 702     IDirectInputDevice2WImpl_AddRef,
 703     IDirectInputDevice2WImpl_Release,
 704     JoystickWGenericImpl_GetCapabilities,
 705     IDirectInputDevice2WImpl_EnumObjects,
 706     JoystickWGenericImpl_GetProperty,
 707     JoystickWGenericImpl_SetProperty,
 708     JoystickLinuxWImpl_Acquire,
 709     JoystickLinuxWImpl_Unacquire,
 710     JoystickWGenericImpl_GetDeviceState,
 711     IDirectInputDevice2WImpl_GetDeviceData,
 712     IDirectInputDevice2WImpl_SetDataFormat,
 713     IDirectInputDevice2WImpl_SetEventNotification,
 714     IDirectInputDevice2WImpl_SetCooperativeLevel,
 715     JoystickWGenericImpl_GetObjectInfo,
 716     JoystickWGenericImpl_GetDeviceInfo,
 717     IDirectInputDevice2WImpl_RunControlPanel,
 718     IDirectInputDevice2WImpl_Initialize,
 719     IDirectInputDevice2WImpl_CreateEffect,
 720     IDirectInputDevice2WImpl_EnumEffects,
 721     IDirectInputDevice2WImpl_GetEffectInfo,
 722     IDirectInputDevice2WImpl_GetForceFeedbackState,
 723     IDirectInputDevice2WImpl_SendForceFeedbackCommand,
 724     IDirectInputDevice2WImpl_EnumCreatedEffectObjects,
 725     IDirectInputDevice2WImpl_Escape,
 726     JoystickWGenericImpl_Poll,
 727     IDirectInputDevice2WImpl_SendDeviceData,
 728     IDirectInputDevice7WImpl_EnumEffectsInFile,
 729     IDirectInputDevice7WImpl_WriteEffectToFile,
 730     IDirectInputDevice8WImpl_BuildActionMap,
 731     IDirectInputDevice8WImpl_SetActionMap,
 732     IDirectInputDevice8WImpl_GetImageInfo
 733 };
 734
 735 #else  /* HAVE_LINUX_22_JOYSTICK_API */
 736
 737 const struct dinput_device joystick_linux_device = {
 738   "Wine Linux joystick driver",
 739   NULL,
 740   NULL,
 741   NULL,
 742   NULL
 743 };
 744
 745 #endif  /* HAVE_LINUX_22_JOYSTICK_API */